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-rw-r--r--README8
-rw-r--r--blurb12
-rw-r--r--blurb.short2
-rw-r--r--c2lout.c916
-rw-r--r--data/standard.ld85
-rw-r--r--doc/README2
-rw-r--r--doc/design/README2
-rw-r--r--doc/design/outfile.ps11703
-rw-r--r--doc/expert/README2
-rw-r--r--doc/expert/all4
-rw-r--r--doc/expert/exa_bibl4
-rw-r--r--doc/expert/outfile.ps16122
-rw-r--r--doc/expert/preface2
-rw-r--r--doc/slides/README2
-rw-r--r--doc/slides/all2
-rw-r--r--doc/slides/outfile.ps4473
-rw-r--r--doc/user/README2
-rw-r--r--doc/user/all7
-rw-r--r--doc/user/cpp_chan91
-rw-r--r--doc/user/preface2
-rw-r--r--doc/user/prg (renamed from doc/user/cpp)43
-rw-r--r--doc/user/prg_chan108
-rw-r--r--doc/user/prg_comm (renamed from doc/user/cpp_comm)2
-rw-r--r--doc/user/prg_embe (renamed from doc/user/cpp_embe)7
-rw-r--r--doc/user/prg_erro (renamed from doc/user/cpp_erro)2
-rw-r--r--doc/user/prg_lone (renamed from doc/user/cpp_lone)5
-rw-r--r--doc/user/prg_opti (renamed from doc/user/cpp_opti)42
-rw-r--r--doc/user/prg_perl108
-rw-r--r--doc/user/prg_pipe (renamed from doc/user/cpp_pipe)0
-rw-r--r--doc/user/prg_prog (renamed from doc/user/cpp_prog)2
-rw-r--r--doc/user/prg_tabs (renamed from doc/user/cpp_tabs)0
-rw-r--r--doc/user/user.ps5202
-rw-r--r--doc/user/vcpp1
-rw-r--r--doc/user/vprg1
-rw-r--r--externs.h4
-rw-r--r--include/README16
-rw-r--r--include/blue117
-rw-r--r--include/bluef318
-rw-r--r--include/cprint119
-rw-r--r--include/cprintf327
-rw-r--r--include/eiffel117
-rw-r--r--include/eiffelf318
-rw-r--r--include/perl102
-rw-r--r--include/perlf354
-rw-r--r--include/pod164
-rw-r--r--include/podf513
-rw-r--r--include/progf281
-rw-r--r--man/prg2lout.18
-rw-r--r--man/prg2lout.txt6
-rw-r--r--prg2lout.c3598
-rw-r--r--whatsnew8
-rw-r--r--z01.c2
-rw-r--r--z02.c2
-rw-r--r--z03.c2
-rw-r--r--z04.c2
-rw-r--r--z05.c2
-rw-r--r--z06.c2
-rw-r--r--z07.c2
-rw-r--r--z08.c16
-rw-r--r--z09.c2
-rw-r--r--z10.c2
-rw-r--r--z11.c9
-rw-r--r--z12.c88
-rw-r--r--z13.c2
-rw-r--r--z14.c2
-rw-r--r--z15.c2
-rw-r--r--z16.c2
-rw-r--r--z17.c18
-rw-r--r--z18.c2
-rw-r--r--z19.c2
-rw-r--r--z20.c2
-rw-r--r--z21.c2
-rw-r--r--z22.c3
-rw-r--r--z23.c2
-rw-r--r--z24.c2
-rw-r--r--z25.c2
-rw-r--r--z26.c2
-rw-r--r--z27.c2
-rw-r--r--z28.c2
-rw-r--r--z29.c2
-rw-r--r--z30.c2
-rw-r--r--z31.c2
-rw-r--r--z32.c2
-rw-r--r--z33.c2
-rw-r--r--z34.c2
-rw-r--r--z35.c2
-rw-r--r--z36.c2
-rw-r--r--z37.c2
-rw-r--r--z38.c2
-rw-r--r--z39.c2
-rw-r--r--z40.c3
-rw-r--r--z41.c2
-rw-r--r--z42.c2
-rw-r--r--z43.c2
-rw-r--r--z44.c2
-rw-r--r--z45.c2
-rw-r--r--z46.c2
-rw-r--r--z47.c2
-rw-r--r--z48.c2
99 files changed, 42890 insertions, 2667 deletions
diff --git a/README b/README
index 82749f0..e577102 100644
--- a/README
+++ b/README
@@ -1,5 +1,5 @@
-THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.17)
-BASSER LOUT VERSION 3 COPYRIGHT (C) 1994, 1999 Jeffrey H. Kingston
+THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19)
+BASSER LOUT VERSION 3 COPYRIGHT (C) 1994, 2000 Jeffrey H. Kingston
Jeffrey H. Kingston
Basser Department of Computer Science
@@ -34,7 +34,7 @@ formatting system. It contains the following directories:
hyph Lout hyphenation files (see hyph/README for info)
include Lout packages (in Lout)
locale Locale-specific error messages
- man Lout and c2lout manual entries
+ man Lout and prg2lout manual entries
maps Lout Character Mapping (LCM) files
setup Lout setup files (in Lout)
software Information about Lout-related software from elsewhere
@@ -44,7 +44,7 @@ and the following files:
READMEPDF A description of the PDF back end
blurb A news blurb describing Lout
blurb.short A short news blurb describing Lout
- c2lout.c c2lout source code (all in one file)
+ prg2lout.c prg2lout source code (all in one file)
externs.h z*.c Lout source code
gnu.gpl A copy of the GNU General Public License
makefile A makefile for installing Lout
diff --git a/blurb b/blurb
index 4c748a8..0c8e3f3 100644
--- a/blurb
+++ b/blurb
@@ -1,7 +1,7 @@
- THE LOUT DOCUMENT FORMATTING SYSTEM, VERSION 3.17
+ THE LOUT DOCUMENT FORMATTING SYSTEM, VERSION 3.20
-Version 3.17 of the Lout document formatting system is now available
+Version 3.20 of the Lout document formatting system is now available
(free of charge). The system reads a high-level description of a
document similar in style to LaTeX and produces a PostScript, PDF or
plain text output file.
@@ -12,7 +12,7 @@ EPS file inclusion and generation, equation formatting, tables, diagrams,
rotation and scaling, sorted indexes, bibliographic databases, running
headers and odd-even pages, automatic cross referencing, multilingual
documents including hyphenation (most European languages are supported,
-including Russian), formatting of C/C++ programs, and much more, all
+including Russian), formatting of computer programs, and much more, all
ready to use. Furthermore, Lout is easily extended with definitions
which are very much easier to write than troff of TeX macros because
Lout is a high-level language, the outcome of an eight-year research
@@ -21,9 +21,9 @@ project that went back to the beginning.
Lout is written in highly portable ANSI C. It is distributed under the
GNU public license as follows:
- ftp://ftp.cs.usyd.edu.au/jeff/lout/lout-3.17.tar.gz
+ ftp://ftp.cs.usyd.edu.au/jeff/lout/lout-3.20.tar.gz
-In other words, in a gzipped tar file called "lout-3.17.tar.gz" in the
+In other words, in a gzipped tar file called "lout-3.20.tar.gz" in the
"jeff/lout" subdirectory of the home directory of "ftp ftp.cs.usyd.edu.au"
with login name "ftp" or "anonymous" using any non-empty password. The
distribution contains
@@ -43,7 +43,7 @@ distribution contains
For those who want to browse first, a PostScript version of the User's
Guide may be found in the same ftp directory:
- ftp://ftp.cs.usyd.edu.au/jeff/lout/lout-3.17.user.ps.gz
+ ftp://ftp.cs.usyd.edu.au/jeff/lout/lout-3.20.user.ps.gz
Lout was designed and implemented by Jeffrey H. Kingston (jeff@cs.usyd.edu.au)
of the Basser Department of Computer Science at the University of Sydney.
diff --git a/blurb.short b/blurb.short
index 1c31792..ea08e9f 100644
--- a/blurb.short
+++ b/blurb.short
@@ -9,7 +9,7 @@ formatting, tables, diagrams, rotation and scaling, sorted indexes,
bibliographic databases, running headers and odd-even pages, automatic
cross referencing, multilingual documents including hyphenation (most
European languages are supported, including Russian), formatting of
-C/C++ programs, and more. Lout may be extended by writing definitions
+computer programs, and more. Lout may be extended by writing definitions
which are much simpler than the equivalent troff of TeX macros.
Lout is written in highly portable ANSI C and runs on most platforms.
diff --git a/c2lout.c b/c2lout.c
deleted file mode 100644
index e1f5bb1..0000000
--- a/c2lout.c
+++ /dev/null
@@ -1,916 +0,0 @@
-/*****************************************************************************/
-/* */
-/* C2LOUT: A PROGRAM TO CONVERT C AND C++ SOURCE INTO LOUT (VERSION 1.0) */
-/* COPYRIGHT (C) 1993 Jeffrey H. Kingston */
-/* */
-/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
-/* Basser Department of Computer Science */
-/* The University of Sydney 2006 */
-/* AUSTRALIA */
-/* */
-/* This program is free software; you can redistribute it and/or modify */
-/* it under the terms of the GNU General Public License as published by */
-/* the Free Software Foundation; either version 1, or (at your option) */
-/* any later version. */
-/* */
-/* This program is distributed in the hope that it will be useful, */
-/* but WITHOUT ANY WARRANTY; without even the implied warranty of */
-/* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the */
-/* GNU General Public License for more details. */
-/* */
-/* You should have received a copy of the GNU General Public License */
-/* along with this program; if not, write to the Free Software */
-/* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
-/* */
-/*****************************************************************************/
-#include <string.h>
-#include <stdlib.h>
-#include <stdio.h>
-
-#define C2LOUT_VERSION "c2lout Version 3.15 (May 1999)"
-#define BOOLEAN unsigned
-#define FALSE 0
-#define TRUE 1
-#define MAX_LINE 1024
-
-/* print styles */
-#define NO_STYLE 0
-#define FIXED_STYLE 1
-#define VARYING_STYLE 2
-#define SYMBOL_STYLE 3
-
-static char file_name[MAX_LINE]; /* current input file name */
-static int line_num; /* current input line number */
-static int line_pos; /* current input column number */
-static FILE *err_fp; /* where error messages go */
-
-static BOOLEAN headers_option; /* TRUE if no -n option (headers) */
-static int style_option; /* value of -p option, or NO_STYLE */
-static char *font_option; /* value of -f option, else null */
-static char *size_option; /* value of -s option, else null */
-static char *line_option; /* value of -v option, else null */
-static char *tabin_option; /* value of -t option, else null */
-static char *tabout_option; /* value of -T option, else null */
-
-static BOOLEAN tab_by_spacing; /* TRUE if using space chars to tab */
-static int tab_in; /* tab interval, value of -t option */
-static float tab_out; /* tab interval width (-T option) */
-static char tab_unit; /* unit of measurement for tab */
-static BOOLEAN Scan();
-
-extern void ProcessStandAlone(char *fname, FILE *in_fp, FILE *out_fp);
-
-#define Error0(str) \
-{ \
- if( line_num > 0 ) \
- fprintf(err_fp, "c2lout %s %d,%d: ", file_name, line_num, line_pos);\
- else \
- fprintf(err_fp, "c2lout: "); \
- fprintf(err_fp, str); \
- fprintf(err_fp, "\n"); \
-}
-
-#define Error1(str, arg) \
-{ \
- if( line_num > 0 ) \
- fprintf(err_fp, "c2lout %s %d,%d: ", file_name, line_num, line_pos);\
- else \
- fprintf(err_fp, "c2lout: "); \
- fprintf(err_fp, str, arg); \
- fprintf(err_fp, "\n"); \
-}
-
-#define GetArg(arg, message, null_ok) \
-{ if( strcmp(argv[i]+2, "") != 0 ) \
- arg = argv[i]+2; \
- else if( !null_ok && i < argc-1 && *argv[i+1] != '-' ) \
- arg = argv[++i]; \
- else if( null_ok ) \
- arg = (char *) NULL; \
- else \
- { Error0(message); \
- exit(1); \
- } \
-} /* end GetArg */
-
-
-/*****************************************************************************/
-/* */
-/* main(argc, argv) */
-/* */
-/* Read command line and process each file in turn. */
-/* */
-/*****************************************************************************/
-
-int main(int argc, char *argv[])
-{ FILE *in_fp, *out_fp = stdout;
- BOOLEAN at_least_one_file, raw_seen; int i;
- char *infilename, *outfilename, *errfilename, *str;
-
- /* read command line */
- in_fp = out_fp = NULL;
- err_fp = stderr;
- line_num = 0;
- raw_seen = FALSE;
- tab_by_spacing = TRUE;
- style_option = NO_STYLE;
- tab_in = 8;
- tab_out = 3;
- tab_unit = 'f';
- at_least_one_file = FALSE;
- headers_option = TRUE;
- font_option = size_option = line_option =
- tabin_option = tabout_option = (char *) NULL;
- for( i = 1; i < argc; i++ )
- { if( *argv[i] == '-' ) switch( *(argv[i]+1) )
- {
- case 'r':
-
- if( i > 1 )
- { Error0("-r must be first if it occurs at all");
- exit(1);
- }
- raw_seen = TRUE;
- break;
-
-
- case 'i':
-
- /* read name of input file */
- if( !raw_seen )
- { Error0("-i illegal without -r");
- exit(1);
- }
- if( in_fp != NULL )
- { Error0("-i seen twice");
- exit(1);
- }
- GetArg(infilename, "usage: -i<filename>", FALSE);
-
- /* open the file */
- in_fp = fopen(infilename, "r");
- if( in_fp == NULL )
- { Error1("cannot open input file %s", infilename);
- exit(1);
- }
-
- /* initialize file position */
- strcpy(file_name, infilename);
- line_num = 1;
- line_pos = 0;
- break;
-
-
- case 'o':
-
- /* read name of output file */
- if( out_fp != NULL )
- { Error0("-o seen twice");
- exit(1);
- }
- GetArg(outfilename, "usage: -o<filename>", FALSE);
- out_fp = fopen(outfilename, "w");
- if( out_fp == NULL )
- { Error1("cannot open output file %s", outfilename);
- exit(1);
- }
- break;
-
-
- case 'e':
-
- /* read name of error file */
- GetArg(errfilename, "usage: -e<filename>", FALSE);
- err_fp = fopen(errfilename, "w");
- if( err_fp == NULL )
- { Error1("cannot open error file %s", errfilename);
- exit(1);
- }
- break;
-
-
- case 'p':
-
- /* read print style */
- if( raw_seen )
- { Error0("-p illegal with -r option");
- exit(1);
- }
- GetArg(str, "usage: -p<printstyle>", FALSE);
- if( style_option != NO_STYLE )
- { Error0("-p option appears twice");
- exit(1);
- }
- else if( strcmp(str, "fixed") == 0 )
- { style_option = FIXED_STYLE;
- }
- else if( strcmp(str, "varying") == 0 )
- { style_option = VARYING_STYLE;
- tab_by_spacing = FALSE;
- }
- else if( strcmp(str, "symbol") == 0 )
- { style_option = SYMBOL_STYLE;
- tab_by_spacing = FALSE;
- }
- else
- { Error1("unknown -p option %s", str);
- exit(1);
- }
- break;
-
-
- case 'f':
-
- /* read font family */
- if( raw_seen )
- { Error0("-f illegal with -r option");
- exit(1);
- }
- GetArg(font_option, "usage: -f<font>", FALSE);
- break;
-
-
- case 's':
-
- /* read font size */
- if( raw_seen )
- { Error0("-s illegal with -r option");
- exit(1);
- }
- GetArg(size_option, "usage: -s<size>", FALSE);
- break;
-
-
- case 'v':
-
- /* read line spacing */
- if( raw_seen )
- { Error0("-v illegal with -r option");
- exit(1);
- }
- GetArg(line_option, "usage: -v<vsize>", FALSE);
- break;
-
-
- case 't':
-
- /* read tab interval */
- GetArg(tabin_option, "usage: -t<number>", TRUE);
- if( tabin_option != NULL && sscanf(tabin_option,"%d",&tab_in) != 1 )
- { Error0("usage: -t<number>\n");
- exit(1);
- }
- if( tab_in <= 0 )
- { Error0("-t: tab interval must be greater than 0\n");
- exit(1);
- }
- break;
-
-
- case 'T':
-
- /* read tab_out and tab_unit */
- GetArg(tabout_option, "usage: -T<number><unit>", TRUE);
- if( tabout_option != NULL )
- { if( sscanf(tabout_option, "%f%c",&tab_out,&tab_unit) != 2 )
- { Error0("usage: -T<number><unit>\n");
- exit(1);
- }
- if( tab_out <= 0 || tab_out >= 50 )
- { Error0("-T: unreasonably large or small tab interval");
- exit(1);
- }
- if( tab_unit != 'c' && tab_unit != 'i' && tab_unit != 'p' &&
- tab_unit != 'm' && tab_unit != 'f' && tab_unit != 's' &&
- tab_unit != 'v' )
- { Error0("-T: tab unit must be one of cipmfsv\n");
- exit(1);
- }
- tab_by_spacing = FALSE;
- }
- break;
-
-
- case 'n':
-
- if( raw_seen )
- { Error0("-n illegal with -r option");
- exit(1);
- }
- headers_option = FALSE;
- break;
-
-
- case 'V':
-
- if( raw_seen )
- { Error0("-V illegal with -r option");
- exit(1);
- }
- Error1("%s", C2LOUT_VERSION);
- exit(0);
- break;
-
-
- case 'u':
-
- if( raw_seen )
- { Error0("-u illegal with -r option");
- exit(1);
- }
- Error0("usage: c2lout C-files or c2lout -r Lout-files");
- exit(0);
- break;
-
-
- default:
-
- Error1("unknown command line flag %s", argv[i]);
- exit(1);
- break;
-
- }
- else
- {
- /* argument is source file, so open it */
- if( raw_seen )
- { Error0("file parameter illegal with -r flag!");
- exit(1);
- }
- at_least_one_file = TRUE;
- in_fp = fopen(argv[i], "r");
- if( in_fp == NULL )
- { Error1("cannot open input file %s", argv[i]);
- exit(1);
- }
-
- /* initialize file position */
- strcpy(file_name, argv[i]);
- line_num = 1;
- line_pos = 0;
-
- ProcessStandAlone(argv[i], in_fp, out_fp == NULL ? stdout : out_fp);
- }
- } /* for */
-
- /* raw case: filter in_fp to out_fp using Scan() */
- if( raw_seen )
- {
- /* check that input and output files are open */
- if( in_fp == NULL )
- { Error0("-r: missing -i option");
- exit(1);
- }
- if( out_fp == NULL )
- { Error0("-r: missing -o option");
- exit(1);
- }
-
- /* scan the file and leave unchanged if an error occurred */
- if( !Scan(in_fp, out_fp) ) exit(1);
- }
-
- /* finish of non-raw case with end text */
- else if( at_least_one_file )
- fprintf(out_fp == NULL ? stdout : out_fp, "@End @Text\n");
-
- return 0;
-} /* end main */
-
-
-/*****************************************************************************/
-/* */
-/* ProcessStandAlone(fname, in_fp, out_fp) */
-/* */
-/* Process one file consisting completely of C code. */
-/* */
-/*****************************************************************************/
-
-void ProcessStandAlone(char *fname, FILE *in_fp, FILE *out_fp)
-{ static BOOLEAN first = TRUE;
- char *style_str, *font_str, *size_str, *line_str, *face_str,
- *tabin_str, *tabout_str;
-
- /* print heading information on out_fp */
- if( first )
- {
- /* sort out the options' values */
- switch( style_option )
- {
-
- case NO_STYLE:
- case FIXED_STYLE:
-
- style_str = "fixed";
- face_str = "Base";
- font_str = font_option != NULL ? font_option : "Courier";
- size_str = size_option != NULL ? size_option : "9p";
- line_str = line_option != NULL ? line_option : "1.1fx";
- tabin_str = tabin_option != NULL ? tabin_option : "8";
- tabout_str = tabout_option != NULL ? tabout_option : "8s";
- break;
-
-
- case VARYING_STYLE:
-
- style_str = "varying";
- face_str = "Slope";
- font_str = font_option != NULL ? font_option : "Times";
- size_str = size_option != NULL ? size_option : "10p";
- line_str = line_option != NULL ? line_option : "1.1fx";
- tabin_str = tabin_option != NULL ? tabin_option : "8";
- tabout_str = tabout_option != NULL ? tabout_option : "3f";
- break;
-
-
- case SYMBOL_STYLE:
-
- style_str = "symbol";
- face_str = "Slope";
- font_str = font_option != NULL ? font_option : "Times";
- size_str = size_option != NULL ? size_option : "10p";
- line_str = line_option != NULL ? line_option : "1.1fx";
- tabin_str = tabin_option != NULL ? tabin_option : "8";
- tabout_str = tabout_option != NULL ? tabout_option : "3f";
- break;
-
-
- default:
-
- Error0("internal error in -p option");
- exit(1);
- break;
- }
-
-
- /* now print the initial @Use clauses etc.*/
- fprintf(out_fp, "@SysInclude { cprint }\n");
- fprintf(out_fp, "@SysInclude { doc }\n");
- fprintf(out_fp, "@Use { @CP\n");
- fprintf(out_fp, " style { %s }\n", style_str);
- fprintf(out_fp, " font { %s }\n", font_str);
- fprintf(out_fp, " size { %s }\n", size_str);
- fprintf(out_fp, " line { %s }\n", line_str);
- fprintf(out_fp, " tabin { %s }\n", tabin_str);
- fprintf(out_fp, " tabout { %s }\n", tabout_str);
- fprintf(out_fp, "{}\n");
- fprintf(out_fp, "}\n");
- fprintf(out_fp, "@Document\n");
- fprintf(out_fp, " @InitialFont { \"%s\" \"%s\" \"%s\" }\n",
- font_str, face_str, size_str);
- fprintf(out_fp, " @InitialBreak { lines \"%s\" nohyphen }\n", line_str);
- fprintf(out_fp, "//\n");
- fprintf(out_fp, "@Text @Begin\n\n");
- first = FALSE;
- }
- else fprintf(out_fp, "@NP\n\n");
-
- /* print file name and contents */
- if( headers_option )
- fprintf(out_fp, "{ Times Bold \"+3p\" } @Font \"%s\"\n@DP\n", fname);
- if( !Scan(in_fp, out_fp) ) exit(1);
-
-} /* end ProcessStandAlone */
-
-
-/*****************************************************************************/
-/* */
-/* EmitTab(out_fp) */
-/* */
-/* Emit the equivalent of one tab character, depending on whether we */
-/* are using spaces or Lout tab operators to simulate it. */
-/* */
-/*****************************************************************************/
-
-void EmitTab(FILE *out_fp)
-{
- if( tab_by_spacing )
- { putc(' ', out_fp);
- while( line_pos % tab_in != 0 )
- { putc(' ', out_fp);
- line_pos++;
- }
- }
- else
- { while( line_pos % tab_in != 0 )
- { line_pos++;
- }
- fprintf(out_fp, " $>%.1f%ct ",
- (line_pos/tab_in) * tab_out, tab_unit);
- }
-} /* end EmitTab */
-
-
-/*****************************************************************************/
-/* */
-/* BOOLEAN Scan(in_fp, out_fp) */
-/* */
-/* Scan the C source beginning in file in_fp and write it in modified */
-/* Lout source form onto out_fp. Return TRUE if successful. */
-/* */
-/*****************************************************************************/
-
-/* states of scanner */
-#define C_REGULAR 1
-#define C_SLASH 2
-#define C_COMMENT 3
-#define CPP_COMMENT 4
-#define LOUT_INSERT 5
-#define CPP_LOUT_INSERT 6
-#define LOUT_INSERT_STAR 7
-#define C_COMMENT_STAR 8
-#define C_STRING 9
-#define C_STRING_BACKSLASH 10
-#define C_CHAR 11
-#define C_CHAR_BACKSLASH 12
-
-static BOOLEAN Scan(FILE *in_fp, FILE *out_fp)
-{ int state, ch;
- state = C_REGULAR;
- while( (ch = getc(in_fp)) != EOF )
- {
- if( ch == '\n' )
- { line_num++;
- line_pos = 0;
- }
- else line_pos++;
-
- switch( state )
- {
-
- case C_REGULAR: /* in ordinary C code */
-
- if( ch == '\f' )
- { fprintf(out_fp, "\n@NP\n");
- }
- else if( ch == '\t' )
- { EmitTab(out_fp);
- }
- else if( ch == '#' )
- { fputs("$$", out_fp);
- }
- else if( ch == '\\' )
- { fputs("\"\\\\\"", out_fp);
- }
- else if( ch == '{' ) /*}*/
- { fputs("${", out_fp); /*}*/
- }
- else if( ch == /*{*/ '}' )
- { /*{*/ fputs("$}", out_fp);
- }
- else if( ch == '@' )
- { Error0("@ character in C program text");
- return FALSE;
- }
- else if( ch == '/' )
- { state = C_SLASH;
- }
- else if( ch == '\'' )
- { fputs("{@L \"", out_fp);
- state = C_CHAR;
- }
- else if( ch == '"' )
- { fputs("{@S \"", out_fp); /*}*/
- state = C_STRING;
- }
- else
- { putc(ch, out_fp);
- }
- break;
-
-
- case C_SLASH: /* in ordinary C code just after / */
-
- if( ch == '*' )
- { int nextch = getc(in_fp);
- if( nextch == EOF )
- { Error0("unexpected end-of-file");
- return FALSE;
- }
- else if( nextch == '@' )
- { state = LOUT_INSERT;
- }
- else
- { ungetc(nextch, in_fp);
- if( nextch == '\n' ) line_num--;
- fputs("{@C \"/*", out_fp);
- state = C_COMMENT;
- }
- }
- else if( ch == '/' ) /* C++ comment */
- { int nextch = getc(in_fp);
- if( nextch == EOF )
- { Error0("unexpected end-of-file");
- return FALSE;
- }
- else if( nextch == '@' )
- { state = CPP_LOUT_INSERT;
- }
- else
- { ungetc(nextch, in_fp);
- if( nextch == '\n' ) line_num--;
- fputs("{@C \"//", out_fp);
- state = CPP_COMMENT;
- }
- }
- else
- { putc('/', out_fp);
- ungetc(ch, in_fp);
- if( ch == '\n' ) line_num--;
- state = C_REGULAR;
- }
- break;
-
-
- case C_COMMENT: /* inside a C comment */
-
- if( ch == '\t' )
- { fputs("\"}", out_fp);
- EmitTab(out_fp);
- fputs("{@C \"", out_fp);
- }
- else if( ch == '\n' )
- { int nextch = getc(in_fp);
- if( nextch != EOF )
- { fputs("\"}\n{@C \"", out_fp);
- }
- ungetc(nextch, in_fp);
- if( ch == '\n' ) line_num--;
- }
- else if( ch == '\\' )
- { fputs("\\\\", out_fp);
- }
- else if( ch == '"' )
- { fputs("\\\"", out_fp);
- }
- else if( ch == '*' )
- { putc(ch, out_fp);
- state = C_COMMENT_STAR;
- }
- else
- { putc(ch, out_fp);
- }
- break;
-
-
- case CPP_COMMENT: /* inside a C++ comment */
-
- if( ch == '\t' )
- { fputs("\"}", out_fp);
- EmitTab(out_fp);
- fputs("{@C \"", out_fp);
- }
- else if( ch == '\n' )
- { fputs("\"}\n", out_fp);
- state = C_REGULAR;
- }
- else if( ch == '\\' )
- { fputs("\\\\", out_fp);
- }
- else if( ch == '"' )
- { fputs("\\\"", out_fp);
- }
- else
- { putc(ch, out_fp);
- }
- break;
-
-
- case LOUT_INSERT: /* inside C comment which is a Lout insert */
-
- if( ch == '*' )
- { state = LOUT_INSERT_STAR;
- }
- else
- { putc(ch, out_fp);
- }
- break;
-
-
- case LOUT_INSERT_STAR: /* inside Lout insert comment just after * */
-
- if( ch == '/' )
- { state = C_REGULAR;
- }
- else if( ch == '*' )
- { putc('*', out_fp);
- }
- else
- { putc('*', out_fp);
- putc(ch, out_fp);
- state = LOUT_INSERT;
- }
- break;
-
-
- case CPP_LOUT_INSERT: /* inside C++ comment which is a Lout insert */
-
- if( ch == '\n' )
- { putc(ch, out_fp);
- state = C_REGULAR;
- }
- else
- { putc(ch, out_fp);
- }
- break;
-
-
- case C_COMMENT_STAR: /* inside C comment just after * */
-
- if( ch == '/' )
- { fputs("/\"}", out_fp);
- state = C_REGULAR;
- }
- else if( ch == '*' )
- { putc(ch, out_fp);
- }
- else if( ch == '\t' )
- { fputs("\"}", out_fp);
- EmitTab(out_fp);
- fputs("{@C \"", out_fp);
- state = C_COMMENT;
- }
- else if( ch == '\n' )
- { fputs("\"}\n{@C \"", out_fp);
- state = C_COMMENT;
- }
- else if( ch == '\\' )
- { fputs("\\\\", out_fp);
- state = C_COMMENT;
- }
- else if( ch == '"' )
- { fputs("\\\"", out_fp);
- state = C_COMMENT;
- }
- else
- { putc(ch, out_fp);
- state = C_COMMENT;
- }
- break;
-
-
- case C_STRING: /* inside a C string */
-
- if( ch == '\t' )
- { Error0("replaced tab character in string by \\t");
- fputs("\\\\t", out_fp);
- }
- else if( ch == '\\' )
- { fputs("\\\\", out_fp);
- state = C_STRING_BACKSLASH;
- }
- else if( ch == '"' )
- { /*{*/ fputs("\"}", out_fp);
- state = C_REGULAR;
- }
- else if( ch == '\n' )
- { Error0("unterminated C string");
- /*{*/ fputs("\"}\n", out_fp);
- state = C_REGULAR;
- }
- else putc(ch, out_fp);
- break;
-
-
- case C_STRING_BACKSLASH: /* inside a C string just after \ */
-
- if( ch == '\t' )
- { Error0("replacing literal tab character after \\ by t");
- putc('t', out_fp);
- state = C_STRING;
- }
- else if( ch == '\\' )
- { fputs("\\\\", out_fp);
- state = C_STRING;
- }
- else if( ch == '"' )
- { fputs("\\\"", out_fp);
- state = C_STRING;
- }
- else if( ch == '\n' )
- { Error0("multi-line string printed as two strings, sorry");
- fputs("\"}\n{@S \"", out_fp);
- state = C_STRING;
- }
- else
- { putc(ch, out_fp);
- state = C_STRING;
- }
- break;
-
-
- case C_CHAR: /* inside char literal */
-
- if( ch == '\t' )
- { Error0("replacing literal tab character by \\t");
- fputs("\\\\t", out_fp);
- }
- else if( ch == '\\' )
- { fputs("\\\\", out_fp);
- state = C_CHAR_BACKSLASH;
- }
- else if( ch == '"' )
- { fputs("\\\"", out_fp);
- }
- else if( ch == '\n' )
- { Error0("unterminated C character constant");
- fputs("\"}\n", out_fp);
- state = C_REGULAR;
- }
- else if( ch == '\'' )
- { /*{*/ fputs("\"}", out_fp);
- state = C_REGULAR;
- }
- else putc(ch, out_fp);
- break;
-
-
-
- case C_CHAR_BACKSLASH: /* inside quoted char just after \ */
-
- if( ch == '"' )
- { fputs("\\\"", out_fp);
- state = C_CHAR;
- }
- else if( ch == '\\' )
- { fputs("\\\\", out_fp);
- state = C_CHAR;
- }
- else if( ch == '\n' )
- { Error0("unterminated C character constant");
- /*{*/ fputs("\"}\n", out_fp);
- state = C_REGULAR;
- }
- else
- { putc(ch, out_fp);
- state = C_CHAR;
- }
- break;
-
-
- default:
-
- Error1("unknown case %d", state);
- exit(1);
- break;
-
- }
- }
-
- /* check that final state is reasonable */
- switch( state )
- {
- case C_REGULAR: /* in ordinary C code */
-
- break;
-
-
- case C_SLASH: /* in ordinary C code just after / */
-
- fputs("/\n", out_fp);
- break;
-
-
- case C_COMMENT: /* inside a C comment */
- case CPP_COMMENT: /* inside a C++ comment */
- case C_COMMENT_STAR: /* inside C comment just after * */
-
- /*{*/ fputs("\"}\n", out_fp);
- Error0("C text ended inside a comment");
- break;
-
-
- case LOUT_INSERT: /* inside C comment which is a Lout insert */
- case CPP_LOUT_INSERT: /* inside C++ comment which is a Lout insert */
- case LOUT_INSERT_STAR: /* inside Lout insert comment just after * */
-
- Error0("C text ended inside a Lout inclusion");
- exit(1);
- break;
-
-
- case C_STRING: /* inside a C string */
- case C_STRING_BACKSLASH: /* inside a C string just after \ */
-
- /*{*/ fputs("\"}\n", out_fp);
- Error0("C text ended inside a string literal");
- break;
-
-
- case C_CHAR: /* inside char literal (has been quoted) */
- case C_CHAR_BACKSLASH: /* inside quoted char just after \ */
-
- /*{*/ fputs("\"}\n", out_fp);
- Error0("C text ended inside a character literal");
- break;
-
-
- default:
-
- Error0("unknown final state");
- exit(1);
- break;
- }
-
- return TRUE;
-} /* end Scan */
diff --git a/data/standard.ld b/data/standard.ld
index c003905..e56d469 100644
--- a/data/standard.ld
+++ b/data/standard.ld
@@ -36,6 +36,7 @@
Italian @Yield { Contenuto }
Norwegian @Yield { Innhold }
Polish @Yield { Spis tre{@Char sacute}ci }
+ Portuguese @Yield { Conte{@Char uacute}do }
Russian @Yield { "\363\317\304\305\322\326\301\316\311\305" }
Slovenian @Yield { Vsebina }
Spanish @Yield { Contenidos }
@@ -56,6 +57,7 @@
Italian @Yield { Riferimenti }
Norwegian @Yield { Referanser }
Polish @Yield { Odno{@Char sacute}niki }
+ Portuguese @Yield { Refer{@Char ecircumflex}ncias }
Russian @Yield { "\354\311\324\305\322\301\324\325\322\301" }
Slovenian @Yield { Reference }
Spanish @Yield { Referencias }
@@ -76,6 +78,7 @@
Italian @Yield { Bibliografia }
Norwegian @Yield { Litteratur }
Polish @Yield { Literatura }
+ Portuguese @Yield { Bibliografia }
Russian @Yield { "\354\311\324\305\322\301\324\325\322\301" }
Slovenian @Yield { Literatura }
Spanish @Yield { Bibliograf{@Char iacute}a }
@@ -96,6 +99,7 @@
Italian @Yield { Figura }
Norwegian @Yield { Figur }
Polish @Yield { Rysunek }
+ Portuguese @Yield { Figura }
Russian @Yield { "\362\311\323\325\316\317\313" }
Slovenian @Yield { Slika }
Spanish @Yield { Figura }
@@ -116,6 +120,7 @@
Italian @Yield { Elenco delle Figure }
Norwegian @Yield { ?? }
Polish @Yield { Spis rysunk{@Char oacute}w }
+ Portuguese @Yield { Lista de Figuras }
Russian @Yield { "\363\320\311\323\317\313 \311\314\314\300\323\324\322\301\303\311\312" }
Slovenian @Yield { Seznam slik }
Spanish @Yield { ?? }
@@ -136,6 +141,7 @@
Italian @Yield { Tabella }
Norwegian @Yield { Tabell }
Polish @Yield { Tabela }
+ Portuguese @Yield { Tabela }
Russian @Yield { "\364\301\302\314\311\303\301" }
Slovenian @Yield { Tabela }
Spanish @Yield { Tabla }
@@ -156,6 +162,7 @@
Italian @Yield { Elenco delle Tabelle }
Norwegian @Yield { ?? }
Polish @Yield { Spis tabel }
+ Portuguese @Yield { Lista de Tabelas }
Russian @Yield { "\363\320\311\323\317\313 \324\301\302\314\311\303" }
Slovenian @Yield { Seznam tabel }
Spanish @Yield { ?? }
@@ -176,6 +183,7 @@
Italian @Yield { Definizione }
Norwegian @Yield { ?? }
Polish @Yield { Definicja }
+ Portuguese @Yield { Defini{@Char ccedila}{@Char atilde}o }
Russian @Yield { "\357\320\322\305\304\305\314\305\316\311\305" }
Slovenian @Yield { Definicija }
Spanish @Yield { ?? }
@@ -196,6 +204,7 @@
Italian @Yield { Lemma }
Norwegian @Yield { ?? }
Polish @Yield { Lemat }
+ Portuguese @Yield { Lema }
Russian @Yield { "\354\305\315\315\301" }
Slovenian @Yield { Lema }
Spanish @Yield { ?? }
@@ -216,6 +225,7 @@
Italian @Yield { Teorema }
Norwegian @Yield { ?? }
Polish @Yield { Twierdzenie }
+ Portuguese @Yield { Teorema }
Russian @Yield { "\364\305\317\322\305\315\301" }
Slovenian @Yield { Teorem }
Spanish @Yield { ?? }
@@ -236,6 +246,7 @@
Italian @Yield { Proposizione }
Norwegian @Yield { ?? }
Polish @Yield { Za{@Char lslash}o{@Char zdotabove}enie }
+ Portuguese @Yield { Proposi{@Char ccedilla}{@Char atilde}o }
Russian @Yield { "\360\322\305\304\314\317\326\305\316\311\305" }
Slovenian @Yield { Predpostavka }
Spanish @Yield { ?? }
@@ -256,6 +267,7 @@
Italian @Yield { Corollario }
Norwegian @Yield { ?? }
Polish @Yield { Wniosek }
+ Portuguese @Yield { Corol{@Char aacute}rio }
Russian @Yield { "\363\314\305\304\323\324\327\311\305" }
Slovenian @Yield { Sklep }
Spanish @Yield { ?? }
@@ -276,6 +288,7 @@
Italian @Yield { Esempio }
Norwegian @Yield { ?? }
Polish @Yield { Przyk{@Char lslash}ad }
+ Portuguese @Yield { Exemplo }
Russian @Yield { "\360\322\311\315\305\322" }
Slovenian @Yield { Primer }
Spanish @Yield { ?? }
@@ -296,6 +309,7 @@
Italian @Yield { Affermazione }
Norwegian @Yield { ?? }
Polish @Yield { Stwierdzenie }
+ Portuguese @Yield { Crédito }
Russian @Yield { "\365\324\327\305\322\326\304\305\316\311\305" }
Slovenian @Yield { Trditev }
Spanish @Yield { ?? }
@@ -316,6 +330,7 @@
Italian @Yield { Dimostrazione }
Norwegian @Yield { ?? }
Polish @Yield { Dow{@Char oacute}d }
+ Portuguese @Yield { Prova }
Russian @Yield { "\344\317\313\301\332\301\324\305\314\330\323\324\327\317" }
Slovenian @Yield { Dokaz }
Spanish @Yield { ?? }
@@ -336,6 +351,7 @@
Italian @Yield { Riassunto }
Norwegian @Yield { Sammendrag }
Polish @Yield { Abstrakt }
+ Portuguese @Yield { Resumo }
Russian @Yield { "\341\302\323\324\322\301\313\324" } #correct!
Slovenian @Yield { Povzetek }
Spanish @Yield { Sinopsis }
@@ -356,6 +372,7 @@
Italian @Yield { Prefazione }
Norwegian @Yield { Forord }
Polish @Yield { Przedmowa }
+ Portuguese @Yield { Pref{@Char aacute}cio }
Russian @Yield { "\360\322\305\304\311\323\314\317\327\311\305" }
Slovenian @Yield { Predgovor }
Spanish @Yield { Prefacio }
@@ -376,6 +393,7 @@
Italian @Yield { ?? }
Norwegian @Yield { ?? }
Polish @Yield { ?? }
+ Portuguese @Yield { Abrevia{@Char ccedilla}{@Char otilde}es }
Russian @Yield { ?? }
Slovenian @Yield { ?? }
Spanish @Yield { ?? }
@@ -396,6 +414,7 @@
Italian @Yield { Introduzione }
Norwegian @Yield { Innledning }
Polish @Yield { Wst{@Char eogonek}p }
+ Portuguese @Yield { Introdu{@Char ccedilla}{@Char atilde}o }
Russian @Yield { "\367\327\305\304\305\316\311\305" }
Slovenian @Yield { Uvod }
Spanish @Yield { Introducci{@Char oacute}n }
@@ -416,6 +435,7 @@
Italian @Yield { Capitolo }
Norwegian @Yield { Kapittel }
Polish @Yield { Rozdzia{@Char lslash} }
+ Portuguese @Yield { Cap{@Char iacute}tolo }
Russian @Yield { "\347\314\301\327\301" }
Slovenian @Yield { Poglavje }
Spanish @Yield { Cap{@Char iacute}tulo }
@@ -436,6 +456,7 @@
Italian @Yield { Appendice }
Norwegian @Yield { Tillegg }
Polish @Yield { Dodatek }
+ Portuguese @Yield { Apêndice }
Russian @Yield { "\360\322\311\314\317\326\305\316\311\305" }
Slovenian @Yield { Dodatek }
Spanish @Yield { Ap{@Char eacute}ndice }
@@ -456,6 +477,7 @@
Italian @Yield { Lecture }
Norwegian @Yield { Lecture }
Polish @Yield { Lecture }
+ Portuguese @Yield { Conferência }
Russian @Yield { Lecture }
Slovenian @Yield { Lecture }
Spanish @Yield { Lecture }
@@ -476,6 +498,7 @@
Italian @Yield { Indice }
Norwegian @Yield { Register }
Polish @Yield { Skorowidz }
+ Portuguese @Yield { {@Char Iacute}ndice Remissivo }
Russian @Yield { "\351\316\304\305\313\323" }
Slovenian @Yield { Indeks }
Spanish @Yield { Indice }
@@ -494,6 +517,7 @@
German @Yield { Ohne Titel }
Hungarian @Yield { C{@Char iacute}m n{@Char eacute}lk{@Char udieresis}l }
Polish @Yield { Bez tytu{@Char lslash}u }
+ Portuguese @Yield { Sem t{@Char iacute}tulo }
Italian @Yield { Senza titolo }
Norwegian @Yield { Utel tittel }
Russian @Yield { "\342\305\332 \316\301\332\327\301\316\311\321" }
@@ -516,6 +540,7 @@
Italian @Yield { pagine }
Norwegian @Yield { sider }
Polish @Yield { strony }
+ Portuguese @Yield { p{@Char aacute}ginas }
Russian @Yield { "\323\324\322\301\316\311\303\331" }
Slovenian @Yield { strani }
Spanish @Yield { p{@Char aacute}ginas }
@@ -536,6 +561,7 @@
Italian @Yield { pagina }
Norwegian @Yield { side }
Polish @Yield { strona }
+ Portuguese @Yield { p{@Char aacute}gina }
Russian @Yield { "\323\324\322\301\316\311\303\301" }
Slovenian @Yield { stran }
Spanish @Yield { p{@Char aacute}gina }
@@ -556,6 +582,7 @@
Italian @Yield { Senza editore }
Norwegian @Yield { Upublisert }
Polish @Yield { Bez wydawcy }
+ Portuguese @Yield { Sem editora }
Russian @Yield { "\302\305\332 \311\332\304\301\324\305\314\321" }
Slovenian @Yield { Brez zalo{@Char zcaron}nika }
Spanish @Yield { Sin editor }
@@ -577,6 +604,7 @@
Norwegian @Yield { Tekn. Rapp. }
Russian @Yield { "\324\305\310. \304\317\313\314\301\304" }
Polish @Yield { Sprawozdanie techniczne }
+ Portuguese @Yield { Relat{@Char oacute}rio t{@Char eacute}cnico }
Slovenian @Yield { Tehn. por. }
Spanish @Yield { ?? }
Swedish @Yield { Tekn. rap. }
@@ -596,6 +624,7 @@
Italian @Yield { Tesi di dottorato }
Norwegian @Yield { Doktorgradsavhandling }
Polish @Yield { Praca doktorska }
+ Portuguese @Yield { Tese de doutoramento }
Russian @Yield { "\313\301\316\304\311\304\301\324\323\313\301\321"
"\304\311\323\323\305\322\324\301\303\311\321" }
Slovenian @Yield { Doktorska disertacija }
@@ -617,6 +646,7 @@
Italian @Yield { Tesi di laurea }
Norwegian @Yield { Diplomoppgave }
Polish @Yield { Praca magisterska }
+ Portuguese @Yield { Disserta{@Char ccedilla}{@Char atilde}o de mestrado }
Russian @Yield { "\304\311\320\314\317\315\316\301\321"
"\322\301\302\317\324\301" }
Slovenian @Yield { Diploma }
@@ -638,6 +668,7 @@
Italian @Yield { In }
Norwegian @Yield { I }
Polish @Yield { W }
+ Portuguese @Yield { Em }
Russian @Yield { "\327" }
Slovenian @Yield { V }
Spanish @Yield { En }
@@ -653,7 +684,7 @@
EnglishUK @Yield { ctd. }
Finnish @Yield { ?? }
French @Yield { suite }
- German @Yield { ?? }
+ German @Yield { Fortsetzung }
Hungarian @Yield { folyt. }
Italian @Yield { cont. }
Norwegian @Yield { ?? }
@@ -679,6 +710,7 @@
Italian @Yield { a.m. }
Norwegian @Yield { a.m. }
Polish @Yield { a.m. }
+ Portuguese @Yield { a.m. }
Russian @Yield { a.m. }
Slovenian @Yield { a.m. }
Spanish @Yield { a.m. }
@@ -699,6 +731,7 @@
Italian @Yield { p.m. }
Norwegian @Yield { p.m. }
Polish @Yield { p.m. }
+ Portuguese @Yield { p.m. }
Russian @Yield { p.m. }
Slovenian @Yield { p.m. }
Spanish @Yield { p.m. }
@@ -719,6 +752,7 @@
Italian @Yield { am }
Norwegian @Yield { am }
Polish @Yield { am }
+ Portuguese @Yield { am }
Russian @Yield { am }
Slovenian @Yield { am }
Spanish @Yield { am }
@@ -739,6 +773,7 @@
Italian @Yield { pm }
Norwegian @Yield { pm }
Polish @Yield { pm }
+ Portuguese @Yield { pm }
Russian @Yield { pm }
Slovenian @Yield { pm }
Spanish @Yield { pm }
@@ -1193,6 +1228,7 @@
Italian @Yield { @Char ae }
Norwegian @Yield { @Char ae }
Polish @Yield { ?? }
+ Portuguese @Yield { ?? }
Russian @Yield { ?? }
Slovenian @Yield { ?? }
Spanish @Yield { ?? }
@@ -1212,6 +1248,7 @@
Italian @Yield { ?? }
Norwegian @Yield { @Char oslash }
Polish @Yield { ?? }
+ Portuguese @Yield { ?? }
Russian @Yield { ?? }
Slovenian @Yield { ?? }
Spanish @Yield { ?? }
@@ -1231,6 +1268,7 @@
Italian @Yield { ?? }
Norwegian @Yield { @Char aring }
Polish @Yield { ?? }
+ Portuguese @Yield { ?? }
Russian @Yield { ?? }
Slovenian @Yield { ?? }
Spanish @Yield { ?? }
@@ -1278,6 +1316,7 @@
Italian @Yield { @Char AE }
Norwegian @Yield { @Char AE }
Polish @Yield { ?? }
+ Portuguese @Yield { ?? }
Russian @Yield { ?? }
Slovenian @Yield { ?? }
Spanish @Yield { ?? }
@@ -1297,6 +1336,7 @@
Italian @Yield { ?? }
Norwegian @Yield { @Char Oslash }
Polish @Yield { ?? }
+ Portuguese @Yield { ?? }
Russian @Yield { ?? }
Slovenian @Yield { ?? }
Spanish @Yield { ?? }
@@ -1316,6 +1356,7 @@
Italian @Yield { ?? }
Norwegian @Yield { @Char Aring }
Polish @Yield { ?? }
+ Portuguese @Yield { ?? }
Russian @Yield { ?? }
Slovenian @Yield { ?? }
Spanish @Yield { ?? }
@@ -1336,6 +1377,7 @@
Italian @Yield { gennaio }
Norwegian @Yield { januar }
Polish @Yield { stycze{@Char nacute} }
+ Portuguese @Yield { janeiro }
Russian @Yield { "\321\316\327\301\322\321" }
Slovenian @Yield { januar }
Spanish @Yield { Enero }
@@ -1355,6 +1397,7 @@
Italian @Yield { febbraio }
Norwegian @Yield { februar }
Polish @Yield { luty }
+ Portuguese @Yield { fevereiro }
Russian @Yield { "\306\305\327\322\301\314\321" }
Slovenian @Yield { februar }
Spanish @Yield { Febrero }
@@ -1374,6 +1417,7 @@
Italian @Yield { marzo }
Norwegian @Yield { mars }
Polish @Yield { marzec }
+ Portuguese @Yield { mar{@Char ccedilla}o }
Russian @Yield { "\315\301\322\324\301" }
Slovenian @Yield { marec }
Spanish @Yield { Marzo }
@@ -1393,6 +1437,7 @@
Italian @Yield { aprile }
Norwegian @Yield { april }
Polish @Yield { kwiecie{@Char nacute} }
+ Portuguese @Yield { abril }
Russian @Yield { "\301\320\322\305\314\321" }
Slovenian @Yield { april }
Spanish @Yield { Abril }
@@ -1412,6 +1457,7 @@
Italian @Yield { maggio }
Norwegian @Yield { mai }
Polish @Yield { maj }
+ Portuguese @Yield { maio }
Russian @Yield { "\315\301\321" }
Slovenian @Yield { maj }
Spanish @Yield { Mayo }
@@ -1431,6 +1477,7 @@
Italian @Yield { giugno }
Norwegian @Yield { juni }
Polish @Yield { czerwiec }
+ Portuguese @Yield { junho }
Russian @Yield { "\311\300\316\321" }
Slovenian @Yield { junij }
Spanish @Yield { Junio }
@@ -1451,6 +1498,7 @@
Italian @Yield { luglio }
Norwegian @Yield { juli }
Polish @Yield { lipiec }
+ Portuguese @Yield { julho }
Russian @Yield { "\311\300\314\321" }
Slovenian @Yield { julij }
Spanish @Yield { Julio }
@@ -1470,6 +1518,7 @@
Italian @Yield { agosto }
Norwegian @Yield { august }
Polish @Yield { sierpie{@Char nacute} }
+ Portuguese @Yield { agosto }
Russian @Yield { "\301\327\307\325\323\324\301" }
Slovenian @Yield { avgust }
Spanish @Yield { Agosto }
@@ -1489,6 +1538,7 @@
Italian @Yield { settembre }
Norwegian @Yield { september }
Polish @Yield { wrzesie{@Char nacute} }
+ Portuguese @Yield { setembro }
Russian @Yield { "\323\305\316\324\321\302\322\321" }
Slovenian @Yield { september }
Spanish @Yield { Septiembre }
@@ -1508,6 +1558,7 @@
Italian @Yield { ottobre }
Norwegian @Yield { oktober }
Polish @Yield { pa{@Char zacute}dziernik }
+ Portuguese @Yield { outubro }
Russian @Yield { "\317\313\324\321\302\322\321" }
Slovenian @Yield { oktober }
Spanish @Yield { Octubre }
@@ -1527,6 +1578,7 @@
Italian @Yield { novembre }
Norwegian @Yield { november }
Polish @Yield { listopad }
+ Portuguese @Yield { novembro }
Russian @Yield { "\316\317\321\302\322\321" }
Slovenian @Yield { november }
Spanish @Yield { Noviembre }
@@ -1546,6 +1598,7 @@
Italian @Yield { dicembre }
Norwegian @Yield { desember }
Polish @Yield { grudzie{@Char nacute} }
+ Portuguese @Yield { dezembro }
Russian @Yield { "\304\305\313\301\302\322\321" }
Slovenian @Yield { december }
Spanish @Yield { Diciembre }
@@ -1566,6 +1619,7 @@
Italian @Yield { gen }
Norwegian @Yield { jan }
Polish @Yield { sty }
+ Portuguese @Yield { jan }
Russian @Yield { "\321\316\327" }
Slovenian @Yield { jan }
Spanish @Yield { Ene }
@@ -1585,6 +1639,7 @@
Italian @Yield { feb }
Norwegian @Yield { feb }
Polish @Yield { luty }
+ Portuguese @Yield { fev }
Russian @Yield { "\306\305\327" }
Slovenian @Yield { feb }
Spanish @Yield { Feb }
@@ -1604,6 +1659,7 @@
Italian @Yield { mar }
Norwegian @Yield { mar }
Polish @Yield { marz }
+ Portuguese @Yield { mar }
Russian @Yield { "\315\301\322" }
Slovenian @Yield { mar }
Spanish @Yield { Mar }
@@ -1623,6 +1679,7 @@
Italian @Yield { apr }
Norwegian @Yield { apr }
Polish @Yield { kwie }
+ Portuguese @Yield { abr }
Russian @Yield { "\301\320\322" }
Slovenian @Yield { apr }
Spanish @Yield { Abr }
@@ -1642,6 +1699,7 @@
Italian @Yield { mag }
Norwegian @Yield { mai }
Polish @Yield { maj }
+ Portuguese @Yield { mai }
Russian @Yield { "\315\301\321" }
Slovenian @Yield { maj }
Spanish @Yield { May }
@@ -1661,6 +1719,7 @@
Italian @Yield { giu }
Norwegian @Yield { jun }
Polish @Yield { czer }
+ Portuguese @Yield { jun }
Russian @Yield { "\311\300\316\321" }
Slovenian @Yield { jun }
Spanish @Yield { Jun }
@@ -1680,6 +1739,7 @@
Italian @Yield { lug }
Norwegian @Yield { jul }
Polish @Yield { lip }
+ Portuguese @Yield { jul }
Russian @Yield { "\311\300\314\321" }
Slovenian @Yield { jul }
Spanish @Yield { Jul }
@@ -1699,6 +1759,7 @@
Italian @Yield { ago }
Norwegian @Yield { aug }
Polish @Yield { sier }
+ Portuguese @Yield { ago }
Russian @Yield { "\301\327\307" }
Slovenian @Yield { avg }
Spanish @Yield { Ago }
@@ -1718,6 +1779,7 @@
Italian @Yield { set }
Norwegian @Yield { sep }
Polish @Yield { wrze }
+ Portuguese @Yield { set }
Russian @Yield { "\323\305\316" }
Slovenian @Yield { sep }
Spanish @Yield { Sep }
@@ -1737,6 +1799,7 @@
Italian @Yield { ott }
Norwegian @Yield { okt }
Polish @Yield { pa{@Char zacute} }
+ Portuguese @Yield { out }
Russian @Yield { "\317\313\324" }
Slovenian @Yield { okt }
Spanish @Yield { Oct }
@@ -1756,6 +1819,7 @@
Italian @Yield { nov }
Norwegian @Yield { nov }
Polish @Yield { list }
+ Portuguese @Yield { nov }
Russian @Yield { "\316\317\321" }
Slovenian @Yield { nov }
Spanish @Yield { Nov }
@@ -1775,6 +1839,7 @@
Italian @Yield { dic }
Norwegian @Yield { des }
Polish @Yield { gru }
+ Portuguese @Yield { dez }
Russian @Yield { "\304\305\313" }
Slovenian @Yield { dec }
Spanish @Yield { Dic }
@@ -1795,6 +1860,7 @@
Italian @Yield { domenica }
Norwegian @Yield { s{@Char oslash}ndag }
Polish @Yield { niedziela }
+ Portuguese @Yield { Domingo }
Russian @Yield { "\327\317\323\313\322\305\323\305\316\330\305" }
Slovenian @Yield { nedelja }
Spanish @Yield { Domingo }
@@ -1814,6 +1880,7 @@
Italian @Yield { luned{@Char igrave} }
Norwegian @Yield { mandag }
Polish @Yield { poniedzia{@Char lslash}ek }
+ Portuguese @Yield { Segunda }
Russian @Yield { "\320\317\316\305\304\305\314\330\316\311\313" }
Slovenian @Yield { ponedeljek }
Spanish @Yield { Lunes }
@@ -1833,6 +1900,7 @@
Italian @Yield { marted{@Char igrave} }
Norwegian @Yield { tirsdag }
Polish @Yield { wtorek }
+ Portuguese @Yield { Ter{@Char ccedilla}a }
Russian @Yield { "\327\324\317\322\316\311\313" }
Slovenian @Yield { torek }
Spanish @Yield { Martes }
@@ -1852,6 +1920,7 @@
Italian @Yield { mercoled{@Char igrave} }
Norwegian @Yield { onsdag }
Polish @Yield { {@Char sacute}roda }
+ Portuguese @Yield { Quarta }
Russian @Yield { "\323\322\305\304\301" }
Slovenian @Yield { sreda }
Spanish @Yield { Mi{@Char eacute}rcoles }
@@ -1871,6 +1940,7 @@
Italian @Yield { gioved{@Char igrave} }
Norwegian @Yield { torsdag }
Polish @Yield { czwartek }
+ Portuguese @Yield { Quinta }
Russian @Yield { "\336\305\324\327\305\322\307" }
Slovenian @Yield { {@Char ccaron}etrtek }
Spanish @Yield { Jueves }
@@ -1890,6 +1960,7 @@
Italian @Yield { venerd{@Char igrave} }
Norwegian @Yield { fredag }
Polish @Yield { pi{@Char aogonek}tek }
+ Portuguese @Yield { Sexta }
Russian @Yield { "\320\321\324\316\311\303\301" }
Slovenian @Yield { petek }
Spanish @Yield { Viernes }
@@ -1909,6 +1980,7 @@
Italian @Yield { sabato }
Norwegian @Yield { l{@Char oslash}rdag }
Polish @Yield { sobota }
+ Portuguese @Yield { S{@Char aacute}bado }
Russian @Yield { "\323\325\302\302\317\324\301" }
Slovenian @Yield { sobota }
Spanish @Yield { S{@Char aacute}bado }
@@ -1929,6 +2001,7 @@
Italian @Yield { dom }
Norwegian @Yield { s{@Char oslash}n }
Polish @Yield { niedz }
+ Portuguese @Yield { Dom }
Russian @Yield { "\327\323" }
Slovenian @Yield { ned }
Spanish @Yield { Dom }
@@ -1948,6 +2021,7 @@
Italian @Yield { lun }
Norwegian @Yield { man }
Polish @Yield { pon }
+ Portuguese @Yield { Seg }
Russian @Yield { "\320\316" }
Slovenian @Yield { pon }
Spanish @Yield { Lun }
@@ -1967,6 +2041,7 @@
Italian @Yield { mar }
Norwegian @Yield { tir }
Polish @Yield { wto }
+ Portuguese @Yield { Ter }
Russian @Yield { "\327\324" }
Slovenian @Yield { tor }
Spanish @Yield { Mar }
@@ -1986,6 +2061,7 @@
Italian @Yield { mer }
Norwegian @Yield { ons }
Polish @Yield { {@Char sacute}ro }
+ Portuguese @Yield { Qua }
Russian @Yield { "\323\322" }
Slovenian @Yield { sre }
Spanish @Yield { Mie }
@@ -2005,6 +2081,7 @@
Italian @Yield { gio }
Norwegian @Yield { tor }
Polish @Yield { czw }
+ Portuguese @Yield { Qui }
Russian @Yield { "\336\324" }
Slovenian @Yield { cet }
Spanish @Yield { Jue }
@@ -2024,6 +2101,7 @@
Italian @Yield { ven }
Norwegian @Yield { fre }
Polish @Yield { pi{@Char aogonek}t }
+ Portuguese @Yield { Sex }
Russian @Yield { "\320\324" }
Slovenian @Yield { pet }
Spanish @Yield { Vie }
@@ -2043,6 +2121,7 @@
Italian @Yield { sab }
Norwegian @Yield { l{@Char oslash}r }
Polish @Yield { sob }
+ Portuguese @Yield { S{@Char aacute}b }
Russian @Yield { "\323\302" }
Slovenian @Yield { sob }
Spanish @Yield { Sab }
@@ -2167,6 +2246,7 @@
Italian @Yield { @DayNum @Month @Year }
Norwegian @Yield { @DayNum @Month, @Year }
Polish @Yield { @DayNum @Month @Year }
+ Portuguese @Yield { @DayNum "de" @Month "de" @Year }
Russian @Yield { @DayNum @Month @Year }
Slovenian @Yield { @DayNum @Month @Year }
Spanish @Yield { @DayNum "de" @Month, @Year }
@@ -2187,11 +2267,10 @@
Italian @Yield { @ShortHour.@Minute }
Norwegian @Yield { @ShortHour.@Minute }
Polish @Yield { @ShortHour.@Minute }
+ Portuguese @Yield { @ShortHour:@Minute }
Russian @Yield { @ShortHour.@Minute }
Slovenian @Yield { @ShortHour.@Minute }
Spanish @Yield { @ShortHour:@Minute }
Swedish @Yield { @ShortHour.@Minute }
} }
}
-
-
diff --git a/doc/README b/doc/README
index 62f2260..791ceb2 100644
--- a/doc/README
+++ b/doc/README
@@ -15,4 +15,4 @@ slides A Practical Introduction to the Lout Document Formatting
user A User's Guide to the Lout Document Formatting System
Jeffrey H. Kingston
-17 November 1997
+8 April 2000
diff --git a/doc/design/README b/doc/design/README
index 1e7a8af..87c660d 100644
--- a/doc/design/README
+++ b/doc/design/README
@@ -22,4 +22,4 @@ messages (although changing the paper size might
produce one or two benign ones).
Jeffrey H. Kingston
-17 September 1999
+8 April 2000
diff --git a/doc/design/outfile.ps b/doc/design/outfile.ps
new file mode 100644
index 0000000..904d913
--- /dev/null
+++ b/doc/design/outfile.ps
@@ -0,0 +1,11703 @@
+%!PS-Adobe-3.0
+%%Creator: Basser Lout Version 3.20 (April 2000)
+%%CreationDate: Sat Apr 8 14:53:13 2000
+%%DocumentData: Binary
+%%DocumentNeededResources: (atend)
+%%DocumentSuppliedResources: (atend)
+%%DocumentMedia: A4 595 842 0 white ()
+%%PageOrder: Ascend
+%%Pages: (atend)
+%%BoundingBox: 0 0 595 842
+%%EndComments
+
+%%BeginProlog
+%%BeginResource: procset LoutStartUp
+/m { 3 1 roll moveto show } bind def
+/mo { 3 1 roll moveto true charpath stroke } bind def
+/s { exch currentpoint exch pop moveto show } bind def
+/so { exch currentpoint exch pop moveto true charpath stroke } bind def
+/k { exch neg 0 rmoveto show } bind def
+/ko { exch neg 0 rmoveto true charpath stroke } bind def
+/ul { gsave setlinewidth dup 3 1 roll
+ moveto lineto stroke grestore } bind def
+/in { 1440 mul } def
+/cm { 567 mul } def
+/pt { 20 mul } def
+/em { 120 mul } def
+/sp { louts mul } def
+/vs { loutv mul } def
+/ft { loutf mul } def
+/dg { } def
+
+/LoutGraphic {
+ /louts exch def
+ /loutv exch def
+ /loutf exch def
+ /ymark exch def
+ /xmark exch def
+ /ysize exch def
+ /xsize exch def
+} def
+
+/LoutGr2 { gsave translate LoutGraphic gsave } def
+
+/LoutFont
+{ findfont exch scalefont setfont
+} bind def
+
+/LoutRecode {
+ { findfont dup length dict begin
+ {1 index /FID ne {def} {pop pop} ifelse} forall
+ /Encoding exch def
+ currentdict end definefont pop
+ }
+ stopped pop
+} bind def
+
+/BeginEPSF {
+ /LoutEPSFState save def
+ /dict_count countdictstack def
+ /op_count count 1 sub def
+ userdict begin
+ /showpage { } def
+ 0 setgray 0 setlinecap
+ 1 setlinewidth 0 setlinejoin
+ 10 setmiterlimit [] 0 setdash newpath
+ /languagelevel where
+ { pop languagelevel
+ 1 ne
+ { false setstrokeadjust false setoverprint
+ } if
+ } if
+} bind def
+
+/EndEPSF {
+ count op_count sub { pop } repeat
+ countdictstack dict_count sub { end } repeat
+ LoutEPSFState restore
+} bind def
+%%EndResource
+
+%%BeginResource: encoding vec2
+/vec2 [
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/space /exclam /quotedbl /numbersign /dollar /percent /ampersand /quoteright
+/parenleft /parenright /asterisk /plus /comma /hyphen /period /slash
+/zero /one /two /three /four /five /six /seven
+/eight /nine /colon /semicolon /less /equal /greater /question
+/at /A /B /C /D /E /F /G
+/H /I /J /K /L /M /N /O
+/P /Q /R /S /T /U /V /W
+/X /Y /Z /bracketleft /backslash /bracketright /asciicircum /underscore
+/quoteleft /a /b /c /d /e /f /g
+/h /i /j /k /l /m /n /o
+/p /q /r /s /t /u /v /w
+/x /y /z /braceleft /bar /braceright /asciitilde /.notdef
+/quotesinglbase /quotedblbase /ellipsis /OE /oe /quotedblleft /quotedblright /fi
+/fl /endash /emdash /bullet /dagger /daggerdbl /florin /fraction
+/dotlessi /grave /acute /circumflex /tilde /macron /breve /dotaccent
+/dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron
+/space /exclamdown /cent /sterling /currency /yen /brokenbar /section
+/dieresis /copyright /ordfeminine /guillemotleft /logicalnot /hyphen /registered /macron
+/degree /plusminus /twosuperior /threesuperior /acute /mu /paragraph /periodcentered
+/cedilla /onesuperior /ordmasculine /guillemotright /onequarter /onehalf /threequarters /questiondown
+/Agrave /Aacute /Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla
+/Egrave /Eacute /Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex /Idieresis
+/Eth /Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply
+/Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn /germandbls
+/agrave /aacute /acircumflex /atilde /adieresis /aring /ae /ccedilla
+/egrave /eacute /ecircumflex /edieresis /igrave /iacute /icircumflex /idieresis
+/eth /ntilde /ograve /oacute /ocircumflex /otilde /odieresis /divide
+/oslash /ugrave /uacute /ucircumflex /udieresis /yacute /thorn /ydieresis
+] def
+%%EndResource
+
+%%BeginResource: procset LoutTabPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/tabf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Tab %
+% %
+% To assist in avoiding name clashes, the names %
+% of all these symbols begin with "ltab". %
+% %
+% Jeffrey H. Kingston %
+% 24 September 1991 %
+% 22 December 1992 %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% linewidth ltabhs -
+% horizontal single line
+/ltabhs
+{ 0 0 moveto xsize 0 lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhsp -
+% horizontal single line with projecting ends
+/ltabhsp
+{ 0 0 moveto xsize 0 lineto
+ setlinewidth 2 setlinecap stroke
+} def
+
+% linewidth ltabhd -
+% horizontal double line
+/ltabhd
+{ dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch 3 mul moveto xsize exch 3 mul lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhdb -
+% horizontal double line below mark
+/ltabhdb
+{ dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch -3 mul moveto xsize exch -3 mul lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhdnw -
+% horizontal double line with northwest corner
+/ltabhdnw
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ xsize exch 3 mul moveto
+ -3 mul exch 3 mul lineto
+ -3 mul 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdne -
+% horizontal double line with northeast corner
+/ltabhdne
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch 3 mul moveto
+ 3 mul xsize add exch 3 mul lineto
+ 3 mul xsize add 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdsw -
+% horizontal double line with southwest corner
+/ltabhdsw
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ xsize exch -3 mul moveto
+ -3 mul exch -3 mul lineto
+ -3 mul 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdse -
+% horizontal double line with southeast corner
+/ltabhdse
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch -3 mul moveto
+ 3 mul xsize add exch -3 mul lineto
+ 3 mul xsize add 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabvs -
+% vertical single line
+/ltabvs
+{ 0 0 moveto 0 ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabvd -
+% vertical double line
+/ltabvd
+{ dup dup
+ 0 0 moveto 0 ysize lineto
+ -3 mul 0 moveto -3 mul ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabvdr -
+% vertical double line to right of mark
+/ltabvdr
+{ dup dup
+ 0 0 moveto 0 ysize lineto
+ 3 mul 0 moveto 3 mul ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+%%EndResource
+
+%%BeginResource: procset LoutFigPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/figf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Fig Jeffrey H. Kingston %
+% Version 2.0 (includes CIRCUM label) January 1992 %
+% %
+% To assist in avoiding name clashes, the names of all symbols %
+% defined here begin with "lfig". However, this is not feasible %
+% with user-defined labels and some labels used by users. %
+% %
+% <point> is two numbers, a point. %
+% <length> is one number, a length %
+% <angle> is one number, an angle in degrees %
+% <dashlength> is one number, the preferred length of a dash %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+errordict begin
+ /handleerror
+ {
+ { /Times-Roman findfont 8 pt scalefont setfont
+ 0 setgray 4 pt 4 pt moveto
+ $error /errorname get
+ dup lfigdict exch known
+ { lfigdict exch get }
+ { 30 string cvs } ifelse
+ show
+ ( Command: ) show
+ $error /command get 30 string cvs show
+ } stopped {} if
+ showpage stop
+ } def
+end
+
+% concat strings: <string> <string> lfigconcat <string>
+% must be defined outside lfigdict since used in lfigpromotelabels
+/lfigconcat
+{ 2 copy length exch length add string
+ dup 0 4 index putinterval
+ dup 3 index length 3 index putinterval
+ 3 1 roll pop pop
+} def
+
+% <string> lfigdebugprint -
+% must be defined outside lfigdict since used in arbitrary places
+% /lfigdebugprint
+% { print
+% (; operand stack:\n) print
+% count copy
+% count 2 idiv
+% { ==
+% (\n) print
+% } repeat
+% (\n) print
+% } def
+
+/lfigdict 120 dict def
+lfigdict begin
+
+% error messages
+/dictfull (dictfull error: too many labels?) def
+/dictstackoverflow (dictstackoverflow error: labels nested too deeply?) def
+/execstackoverflow (execstackoverflow error: figure nested too deeply?) def
+/limitcheck (limitcheck error: figure nested too deeply or too large?) def
+/syntaxerror (syntaxerror error: syntax error in text of figure?) def
+/typecheck (typecheck error: syntax error in text of figure?) def
+/undefined (undefined error: unknown or misspelt label?) def
+/VMError (VMError error: run out of memory?) def
+
+% push pi onto stack: - lfigpi <num>
+/lfigpi 3.14159 def
+
+% arc directions
+/clockwise false def
+/anticlockwise true def
+
+% maximum of two numbers: <num> <num> lfigmax <num>
+/lfigmax { 2 copy gt { pop } { exch pop } ifelse } def
+
+% minimum of two numbers: <num> <num> lfigmin <num>
+/lfigmin { 2 copy lt { pop } { exch pop } ifelse } def
+
+% add two points: <point> <point> lfigpadd <point>
+/lfigpadd { exch 3 1 roll add 3 1 roll add exch } def
+
+% subtract first point from second: <point> <point> lfigpsub <point>
+/lfigpsub { 3 2 roll sub 3 1 roll exch sub exch } def
+
+% max two points: <point> <point> lfigpmax <point>
+/lfigpmax { exch 3 1 roll lfigmax 3 1 roll lfigmax exch } def
+
+% min two points: <point> <point> lfigpmin <point>
+/lfigpmin { exch 3 1 roll lfigmin 3 1 roll lfigmin exch } def
+
+% scalar multiplication: <point> <num> lfigpmul <point>
+/lfigpmul { dup 3 1 roll mul 3 1 roll mul exch } def
+
+% point at angle and distance: <point> <length> <angle> lfigatangle <point>
+/lfigatangle { 2 copy cos mul 3 1 roll sin mul lfigpadd } def
+
+% angle from one point to another: <point> <point> lfigangle <angle>
+/lfigangle { lfigpsub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def
+
+% distance between two points: <point> <point> lfigdistance <length>
+/lfigdistance { lfigpsub dup mul exch dup mul add sqrt } def
+
+% difference in x coords: <point> <point> lfigxdistance <length>
+/lfigxdistance { pop 3 1 roll pop sub } def
+
+%difference in y coords: <point> <point> lfigydistance <length>
+/lfigydistance { 3 1 roll pop sub exch pop } def
+
+% stroke a solid line: <length> <dashlength> lfigsolid -
+/lfigsolid
+{ pop pop [] 0 setdash stroke
+} def
+
+% stroke a lfigdashed line: <length> <dashlength> lfigdashed -
+/lfigdashed
+{ 2 copy div 2 le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch dup ] 0 setdash }
+ { dup [ exch 4 2 roll 2 copy div
+ 1 sub 2 div ceiling dup 4 1 roll
+ 1 add mul sub exch div ] 0 setdash
+ } ifelse stroke
+} def
+
+% stroke a lfigcdashed line: <length> <dashlength> lfigcdashed -
+/lfigcdashed
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch dup ] dup 0 get 2 div setdash }
+ { dup [ 4 2 roll exch 2 copy exch div
+ 2 div ceiling div 1 index sub
+ ] exch 2 div setdash
+ } ifelse stroke
+} def
+
+% stroke a dotted line: <length> <dashlength> lfigdotted -
+/lfigdotted
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch 0 exch ] 0 setdash }
+ { 1 index exch div ceiling div
+ [ 0 3 2 roll ] 0 setdash
+ } ifelse stroke
+} def
+
+% stroke a noline line: <length> <dashlength> lfignoline -
+/lfignoline
+{ pop pop
+} def
+
+% painting (i.e. filling): - lfigwhite - (etc.)
+/lfignopaint { } def
+/lfignochange { fill } def
+/lfigdarkblue { 0.0 0.0 0.5 setrgbcolor fill } def
+/lfigblue { 0.0 0.0 1.0 setrgbcolor fill } def
+/lfiglightblue { 0.5 0.5 1.0 setrgbcolor fill } def
+/lfigdarkgreen { 0.0 0.5 0.0 setrgbcolor fill } def
+/lfiggreen { 0.0 1.0 0.0 setrgbcolor fill } def
+/lfiglightgreen { 0.5 1.0 0.5 setrgbcolor fill } def
+/lfigdarkred { 0.5 0.0 0.0 setrgbcolor fill } def
+/lfigred { 1.0 0.0 0.0 setrgbcolor fill } def
+/lfiglightred { 1.0 0.5 0.5 setrgbcolor fill } def
+/lfigdarkcyan { 0.0 0.5 0.5 setrgbcolor fill } def
+/lfigcyan { 0.0 1.0 1.0 setrgbcolor fill } def
+/lfiglightcyan { 0.5 1.0 1.0 setrgbcolor fill } def
+/lfigdarkmagenta { 0.5 0.0 0.5 setrgbcolor fill } def
+/lfigmagenta { 1.0 0.0 1.0 setrgbcolor fill } def
+/lfiglightmagenta { 1.0 0.5 1.0 setrgbcolor fill } def
+/lfigdarkyellow { 0.5 0.5 0.0 setrgbcolor fill } def
+/lfigyellow { 1.0 1.0 0.0 setrgbcolor fill } def
+/lfiglightyellow { 1.0 1.0 0.5 setrgbcolor fill } def
+/lfigdarkgray { 0.2 0.2 0.2 setrgbcolor fill } def
+/lfiggray { 0.5 0.5 0.5 setrgbcolor fill } def
+/lfiglightgray { 0.8 0.8 0.8 setrgbcolor fill } def
+/lfigdarkgrey { 0.2 0.2 0.2 setrgbcolor fill } def
+/lfiggrey { 0.5 0.5 0.5 setrgbcolor fill } def
+/lfiglightgrey { 0.8 0.8 0.8 setrgbcolor fill } def
+/lfigblack { 0.0 0.0 0.0 setrgbcolor fill } def
+/lfigwhite { 1.0 1.0 1.0 setrgbcolor fill } def
+
+% line caps (and joins, not currently used)
+/lfigbutt 0 def
+/lfiground 1 def
+/lfigprojecting 2 def
+/lfigmiter 0 def
+/lfigbevel 2 def
+
+% shape and labels of the @Box symbol
+/lfigbox
+{
+ 0 0 /SW lfigpointdef
+ xsize 0 /SE lfigpointdef
+ xsize ysize /NE lfigpointdef
+ 0 ysize /NW lfigpointdef
+ SE 0.5 lfigpmul /S lfigpointdef
+ NW 0.5 lfigpmul /W lfigpointdef
+ W SE lfigpadd /E lfigpointdef
+ S NW lfigpadd /N lfigpointdef
+ NE 0.5 lfigpmul /CTR lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @CurveBox symbol
+/lfigcurvebox
+{
+
+ xsize 0.5 mul ysize 0.5 mul /CTR lfigpointdef
+ xsize 0.5 mul 0 /S lfigpointdef
+ xsize ysize 0.5 mul /E lfigpointdef
+ xsize 0.5 mul ysize /N lfigpointdef
+ 0 ysize 0.5 mul /W lfigpointdef
+
+ xmark 0.293 mul xmark 0.293 mul /SW lfigpointdef
+ xsize xmark 0.293 mul sub xmark 0.293 mul /SE lfigpointdef
+ xsize xmark 0.293 mul sub ysize xmark 0.293 mul sub /NE lfigpointdef
+ xmark 0.293 mul ysize xmark 0.293 mul sub /NW lfigpointdef
+
+ [ xsize ysize 0.5 lfigpmul xmark /lfigcurveboxcircum cvx ] lfigcircumdef
+
+ xmark 0
+ xsize xmark sub 0
+ [ xsize xmark sub xmark ]
+ xsize xmark
+ xsize ysize xmark sub
+ [ xsize xmark sub ysize xmark sub ]
+ xsize xmark sub ysize
+ xmark ysize
+ [ xmark ysize xmark sub ]
+ 0 ysize xmark sub
+ 0 xmark
+ [ xmark xmark ]
+ xmark 0
+} def
+
+% shadow of the @ShadowBox symbol
+% its shape and labels are done, somewhat inaccurately, with lfigbox
+/lfigshadow
+{ xmark 2 mul 0 moveto xsize 0 lineto
+ xsize ysize xmark 2 mul sub lineto
+ xsize xmark sub ysize xmark 2 mul sub lineto
+ xsize xmark sub xmark lineto
+ xmark 2 mul xmark lineto closepath fill
+} def
+
+% shape and labels of the @Square symbol
+/lfigsquare
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize xsize ysize ysize lfigpmax 0.5 lfigpmul lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ SW 0.5 lfigpmul SE 0.5 lfigpmul lfigpadd /S lfigpointdef
+ NW 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /N lfigpointdef
+ SW 0.5 lfigpmul NW 0.5 lfigpmul lfigpadd /W lfigpointdef
+ SE 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /E lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @Diamond symbol
+/lfigdiamond
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigdiamondcircum cvx ] lfigcircumdef
+ S E N W S
+} def
+
+% shape and labels of the @Ellipse symbol
+/lfigellipse
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ CTR xsize 0 0.3536 lfigpmul lfigpadd 0 ysize 0.3536 lfigpmul lfigpadd /NE lfigpointdef
+ 0 ysize 0.3536 lfigpmul CTR xsize 0 0.3536 lfigpmul lfigpadd lfigpsub /SE lfigpointdef
+ xsize 0 0.3536 lfigpmul CTR lfigpsub 0 ysize 0.3536 lfigpmul lfigpadd /NW lfigpointdef
+ 0 ysize 0.3536 lfigpmul xsize 0 0.3536 lfigpmul CTR lfigpsub lfigpsub /SW lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @Circle symbol
+/lfigcircle
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize 0 ysize 0 lfigpmax 0.5 lfigpmul lfigpadd /E lfigpointdef
+ CTR 0 0 CTR E lfigdistance 45 lfigatangle lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR E lfigdistance 90 lfigatangle lfigpadd /N lfigpointdef
+ CTR 0 0 CTR E lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 180 lfigatangle lfigpadd /W lfigpointdef
+ CTR 0 0 CTR E lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 270 lfigatangle lfigpadd /S lfigpointdef
+ CTR 0 0 CTR E lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ [ S E lfigpsub /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @HLine and @HArrow symbols
+/lfighline
+{
+ 0 ymark lfigprevious /FROM lfigpointdef
+ xsize ymark lfigprevious /TO lfigpointdef
+} def
+
+% shape and labels of the @VLine and @VArrow symbols
+/lfigvline
+{
+ xmark ysize lfigprevious /FROM lfigpointdef
+ xmark 0 lfigprevious /TO lfigpointdef
+} def
+
+% points of a polygon around base with given no of sides, vert init angle:
+% <sides> <angle> figpolygon <point> ... <point>
+/lfigpolygon
+{ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ 90 sub CTR 2 copy lfigmax 5 3 roll
+ [ 4 copy pop /lfigpolycircum cvx ] lfigcircumdef
+ exch dup 360 exch div exch
+ 1 1 3 2 roll
+ { 4 string cvs (P) exch lfigconcat cvn
+ 6 copy pop pop lfigatangle 2 copy 10 2 roll
+ 3 2 roll lfigpointdef
+ dup 3 1 roll add exch
+ } for
+ pop lfigatangle
+} def
+
+% next array element: <array> <index> lfiggetnext <array> <index> <any> true
+% or <array> <index> false
+/lfiggetnext
+{ 2 copy exch length ge
+ { false }
+ { 2 copy get exch 1 add exch true } ifelse
+} def
+
+% check whether thing is number: <any> lfigisnumbertype <any> <bool>
+/lfigisnumbertype
+{ dup type dup
+ /integertype eq exch /realtype eq or
+} def
+
+% check whether thing is an array: <any> lfigisarraytype <any> <bool>
+/lfigisarraytype { dup type /arraytype eq } def
+
+% get next item: <array> <index> lfiggetnextitem <array> <index> 0
+% or <array> <index> <array> 1
+% or <array> <index> <point> 2
+/lfiggetnextitem
+{ lfiggetnext
+ { lfigisarraytype
+ { 1
+ }
+ { lfigisnumbertype
+ { 3 1 roll
+ lfiggetnext
+ { lfigisnumbertype
+ { 4 3 roll exch 2
+ }
+ { pop 3 2 roll pop 0
+ } ifelse
+ }
+ { 3 2 roll pop 0
+ } ifelse
+ }
+ { pop 0
+ } ifelse
+ } ifelse
+ }
+ { 0
+ } ifelse
+} def
+
+% set arc path: bool x1 y1 x2 y2 x0 y0 lfigsetarc <angle> <angle> <dist>
+% the path goes from x1 y1 to x2 y2 about centre x0 y0,
+% anticlockwise if bool is true else clockwise.
+% The orientations of backwards pointing and forwards pointing
+% arrowheads are returned in the two angles, and
+% the length of the arc is returned in <dist>.
+/lfigsetarc
+{
+ 20 dict begin
+ matrix currentmatrix 8 1 roll
+ 2 copy translate 2 copy 8 2 roll
+ 4 2 roll lfigpsub 6 2 roll lfigpsub
+ dup /y1 exch def dup mul /y1s exch def
+ dup /x1 exch def dup mul /x1s exch def
+ dup /y2 exch def dup mul /y2s exch def
+ dup /x2 exch def dup mul /x2s exch def
+
+ y1s y2s eq
+ { -1
+ }
+ { y1s x2s mul y2s x1s mul sub y1s y2s sub div
+ } ifelse
+ /da exch def
+
+ x1s x2s eq
+ { -1
+ }
+ { x1s y2s mul x2s y1s mul sub x1s x2s sub div
+ } ifelse
+ /db exch def
+
+ da 0 gt db 0 gt and
+ { /LMax da sqrt db sqrt lfigmax def
+ /scalex da sqrt LMax div def
+ /scaley db sqrt LMax div def
+ scalex scaley scale
+ 0 0 LMax
+ 0 0 x1 scalex mul y1 scaley mul lfigangle
+ 0 0 x2 scalex mul y2 scaley mul lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 5 2 roll % res1 res2 ang1 ang2 anticlockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul LMax mul 180 div
+ }
+ { 0 0 x1 y1 lfigdistance 0 0 x2 y2 lfigdistance eq
+ 0 0 x1 y1 lfigdistance 0 gt and
+ { 0 0
+ 0 0 x1 y1 lfigdistance
+ 0 0 x1 y1 lfigangle
+ 0 0 x2 y2 lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ 5 2 roll % res1 res2 ang1 ang2 clockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul 0 0 x1 y1 lfigdistance mul 180 div
+ }
+ { x2 y2 lineto pop
+ x2 y2 x1 y1 lfigangle
+ x1 y1 x2 y2 lfigangle
+ x1 y1 x2 y2 lfigdistance
+ } ifelse
+ } ifelse
+ 4 -1 roll setmatrix
+ end
+} def
+
+% lfigsetcurve: set up a Bezier curve from x0 y0 to x3 y3
+% and return arrowhead angles and length of curve (actually 0)
+% x0 y0 x1 y1 x2 y2 x3 y3 lfigsetcurve <angle> <angle> <length>
+/lfigsetcurve
+{ 8 copy curveto pop pop
+ lfigangle
+ 5 1 roll
+ 4 2 roll lfigangle
+ exch
+ 0
+} def
+
+% lfigpaintpath: paint a path of the given shape
+% /paint [ shape ] lfigpaintpath -
+/lfigpaintpath
+{
+ 10 dict begin
+ 0 newpath
+ /prevseen false def
+ /curveseen false def
+ { lfiggetnextitem
+ dup 0 eq { pop exit }
+ { 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /curveseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr
+ lfigsetcurve pop pop pop
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc pop pop pop
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ } ifelse
+ }
+ { xcurr ycurr moveto
+ } ifelse
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop pop pop cvx exec
+ end
+} def
+
+% stroke a path of the given shape in the given linestyle and dash length.
+% Return the origin and angle of the backward and forward arrow heads.
+% dashlength /linestyle [shape] lfigdopath [<point> <angle>] [<point> <angle>]
+/lfigdopath
+{
+ 10 dict begin
+ 0
+ /prevseen false def
+ /curveseen false def
+ /backarrow [] def
+ /fwdarrow [] def
+ {
+ lfiggetnextitem
+ dup 0 eq { pop exit }
+ {
+ 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /prevseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { newpath xprev yprev moveto
+ curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr lfigsetcurve
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ xcurr ycurr xprev yprev lfigangle dup 180 sub
+ xprev yprev xcurr ycurr lfigdistance
+ } ifelse
+ 6 index 6 index cvx exec
+ [ xprev yprev 5 -1 roll ]
+ backarrow length 0 eq
+ { /backarrow exch def }
+ { pop } ifelse
+ [ xcurr ycurr 4 -1 roll ] /fwdarrow exch def
+ } if
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop
+ pop pop pop pop
+ backarrow length 0 eq { [ 0 0 0 ] } { backarrow } ifelse
+ fwdarrow length 0 eq { [ 0 0 0 ] } { fwdarrow } ifelse
+ end
+} def
+
+% lfigdoarrow: draw an arrow head of given form
+% dashlength /lstyle /pstyle hfrac height width [ <point> <angle> ] lfigdoarrow -
+/lfigdoarrow
+{ matrix currentmatrix 8 1 roll
+ dup 0 get 1 index 1 get translate
+ 2 get rotate
+ [ 2 index neg 2 index 0 0
+ 3 index 3 index neg
+ 1 index 10 index mul 0
+ 7 index 7 index ]
+ 4 1 roll pop pop pop
+ dup 3 1 roll
+ gsave lfigpaintpath grestore lfigdopath pop pop
+ setmatrix
+} def
+
+% arrow head styles
+/lfigopen 0.0 def
+/lfighalfopen 0.5 def
+/lfigclosed 1.0 def
+
+% stroke no arrows, forward, back, and both
+/lfignoarrow { pop pop pop pop pop pop pop pop } def
+/lfigforward { 7 -1 roll lfigdoarrow pop } def
+/lfigback { 8 -2 roll pop lfigdoarrow } def
+/lfigboth { 8 -1 roll 7 copy lfigdoarrow pop 7 -1 roll lfigdoarrow } def
+
+% lfigprevious: return previous point on path
+/lfigprevious
+{ lfigisnumbertype
+ { 2 copy }
+ { lfigisarraytype
+ { 2 index 2 index }
+ { 0 0 }
+ ifelse
+ } ifelse
+} def
+
+% label a point in 2nd top dictionary: <point> /name lfigpointdef -
+/lfigpointdef
+{
+ % (Entering lfigpointdef) lfigdebugprint
+ [ 4 2 roll transform
+ /itransform cvx ] cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigpointdef) lfigdebugprint
+} def
+
+% promote labels from second top to third top dictionary
+% <string> lfigpromotelabels -
+/lfigpromotelabels
+{
+ % (Entering lfigpromotelabels) lfigdebugprint
+ currentdict end exch currentdict end
+ { exch 20 string cvs 2 index
+ (@) lfigconcat exch lfigconcat cvn exch def
+ } forall pop begin
+ % (Leaving lfigpromotelabels) lfigdebugprint
+} def
+
+% show labels (except CIRCUM): - lfigshowlabels -
+/lfigshowlabels
+{
+ % (Entering lfigshowlabels) lfigdebugprint
+ currentdict end
+ currentdict
+ { 1 index 20 string cvs (CIRCUM) search % if CIRCUM in key
+ { pop pop pop pop pop }
+ { pop cvx exec 2 copy
+ newpath 1.5 pt 0 360 arc
+ 0 setgray fill
+ /Times-Roman findfont 8 pt scalefont setfont
+ moveto 0.2 cm 0.1 cm rmoveto 20 string cvs show
+ }
+ ifelse
+ } forall
+ begin
+ % (Leaving lfigshowlabels) lfigdebugprint
+} def
+
+% fix an angle to 0 <= res < 360: <angle> lfigfixangle <angle>
+/lfigfixangle
+{
+ % (Entering lfigfixangle) lfigdebugprint
+ { dup 0 ge { exit } if
+ 360 add
+ } loop
+ { dup 360 lt { exit } if
+ 360 sub
+ } loop
+ % (Leaving lfigfixangle) lfigdebugprint
+} def
+
+% find point on circumference of box: alpha a b lfigboxcircum x y
+/lfigboxcircum
+{
+ % (Entering lfigboxcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ 0 0 a b lfigangle /theta exch def
+
+ % if alpha <= theta, return (a, a*tan(alpha))
+ alpha theta le
+ { a a alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 180 - theta, return (b*cot(alpha), b)
+ alpha 180 theta sub le
+ { b alpha cos mul alpha sin div b }
+ {
+ % else if alpha <= 180 + theta, return (-a, -a*tan(alpha))
+ alpha 180 theta add le
+ { a neg a neg alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 360 - theta, return (-b*cot(alpha), -b)
+ alpha 360 theta sub le
+ { b neg alpha cos mul alpha sin div b neg }
+ {
+ % else 360 - theta <= alpha, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigboxcircum) lfigdebugprint
+} def
+
+% find quadratic roots (assume a != 0): a b c lfigqroots x1 x2 2
+% or x2 1
+% or 0
+/lfigqroots
+{
+ 4 dict begin
+ /c exch def
+ /b exch def
+ /a exch def
+ /disc b b mul 4 a c mul mul sub def
+ disc 0 lt
+ { 0
+ }
+ { disc 0 eq
+ { b neg 2 a mul div
+ 1
+ }
+ { b neg disc sqrt add 2 a mul div
+ b neg disc sqrt sub 2 a mul div
+ 2
+ }
+ ifelse
+ }
+ ifelse
+ end
+} def
+
+% work our which quadrant: <angle> lfigquadrant <0-3>
+/lfigquadrant
+{ dup 90 lt
+ { pop 0
+ }
+ { dup 180 lt
+ { pop 1
+ }
+ { 270 lt
+ { 2
+ }
+ { 3
+ } ifelse
+ } ifelse
+ } ifelse
+} def
+
+% find curvebox circum, assuming upper right quadrant: alpha a b xmk lfigcb x y
+/lfigcb
+{
+ 6 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ /alpha exch def
+ /theta1 0 0 a b xmk sub lfigangle def
+ /theta2 0 0 a xmk sub b lfigangle def
+ alpha theta1 le
+ { % if alpha <= theta1, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ }
+ { alpha theta2 ge
+ { % else if alpha > theta2, return (b*cot(alpha), b)
+ b alpha cos mul alpha sin div b
+ }
+ {
+ % else, return the intersection of line and circle
+ a xmk sub b xmk sub xmk 0 0 alpha lfigcircleintersect
+ dup 0 eq
+ { % should never happen, just return any reasonable point
+ pop
+ a b 0.5 lfigpmul
+ }
+ { 1 eq
+ { % should never happen, just return the point on top of stack
+ }
+ { % the usual case, two points on stack, return the larger
+ lfigpmax
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+} def
+
+% find point on circumference of curvebox: alpha a b xmk lfigcurveboxcircum x y
+/lfigcurveboxcircum
+{
+ % (Entering lfigcurveboxcircum) lfigdebugprint
+ 5 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+
+ % work out which quadrant we are in, and reflect accordingly
+ /quad alpha lfigquadrant def
+ quad 0 eq
+ { alpha a b xmk lfigcb
+ }
+ { quad 1 eq
+ { 180 alpha sub a b xmk lfigcb exch neg exch
+ }
+ { quad 2 eq
+ { alpha 180 sub a b xmk lfigcb neg exch neg exch
+ }
+ { 360 alpha sub a b xmk lfigcb neg
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcurveboxcircum) lfigdebugprint
+} def
+
+% find point on circumference of diamond: alpha a b lfigdiamondcircum x y
+/lfigdiamondcircum
+{
+ % (Entering lfigdiamondcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos abs mul a alpha sin abs mul add /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigdiamondcircum) lfigdebugprint
+} def
+
+% find point on circumference of ellipse: alpha a b lfigellipsecircum x y
+/lfigellipsecircum
+{
+ % (Entering lfigellipsecircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos mul dup mul a alpha sin mul dup mul add sqrt /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigellipsecircum) lfigdebugprint
+} def
+
+% find point of intersection of two lines each defined by two points
+% x1 y1 x2 y2 x3 y3 x4 y4 lfiglineintersect x y
+/lfiglineintersect
+{
+ % (Entering lfiglineintersect) lfigdebugprint
+ 13 dict begin
+ /y4 exch def
+ /x4 exch def
+ /y3 exch def
+ /x3 exch def
+ /y2 exch def
+ /x2 exch def
+ /y1 exch def
+ /x1 exch def
+ x2 x1 sub /x21 exch def
+ x4 x3 sub /x43 exch def
+ y2 y1 sub /y21 exch def
+ y4 y3 sub /y43 exch def
+ y21 x43 mul y43 x21 mul sub /det exch def
+
+ % calculate x
+ y21 x43 mul x1 mul
+ y43 x21 mul x3 mul sub
+ y3 y1 sub x21 mul x43 mul add
+ det div
+
+ % calculate y
+ x21 y43 mul y1 mul
+ x43 y21 mul y3 mul sub
+ x3 x1 sub y21 mul y43 mul add
+ det neg div
+
+ end
+ % (Leaving lfiglineintersect) lfigdebugprint
+} def
+
+% find point on circumference of polygon
+% alpha radius num theta lfigpolycircum x y
+/lfigpolycircum
+{
+ % (Entering lfigpolycircum) lfigdebugprint
+ 13 dict begin
+ /theta exch def
+ /num exch def
+ /radius exch def
+ /alpha exch def
+
+ % calculate delta, the angle from theta to alpha
+ alpha theta sub lfigfixangle
+
+ % calculate the angle which is the multiple of 360/num closest to delta
+ 360 num div div truncate 360 num div mul theta add /anglea exch def
+
+ % calculate the next multiple of 360/num after anglea
+ anglea 360 num div add /angleb exch def
+
+ % intersect the line through these two points with the alpha line
+ anglea cos anglea sin angleb cos angleb sin
+ 0 0 alpha cos 2 mul alpha sin 2 mul
+ lfiglineintersect radius lfigpmul
+
+ end
+ % (Leaving lfigpolycircum) lfigdebugprint
+} def
+
+% find point of intersection of a point and a circle
+% x0 y0 r x1 y1 theta lfigcircleintersect xa ya xb yb 2
+% or xb yb 1
+% or 0
+/lfigcircleintersect
+{
+ % (Entering lfigcircleintersect) lfigdebugprint
+ 15 dict begin
+ /theta exch def
+ /y1 exch def
+ /x1 exch def
+ /r exch def
+ /y0 exch def
+ /x0 exch def
+
+ % if sin(theta) = 0 then line is horizontal and y must be y1
+ theta sin abs 0.00001 lt
+ {
+ /a 1 def
+ /b -2 x0 mul def
+ /c x0 dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 1
+ }
+ { y1 exch y1 2
+ } ifelse
+ } ifelse
+ }
+ {
+ /ct theta cos theta sin div def
+ /a ct ct mul 1 add def
+ /b ct x1 x0 sub mul y1 add y0 sub 2 mul def
+ /c x1 x0 sub dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xb yb 1
+ }
+ { y1 add /ya exch def
+ ya y1 sub ct mul x1 add /xa exch def
+ y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xa ya xb yb 2
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcircleintersect) lfigdebugprint
+} def
+
+% add CIRCUM operator with this body: <array> lfigcircumdef -
+/lfigcircumdef
+{ % (Entering lfigcircumdef) lfigdebugprint
+ /CIRCUM exch cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigcircumdef) lfigdebugprint
+} def
+
+end
+%%EndResource
+
+%%BeginResource: procset LoutBasicSetup
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/bsf.lpg
+
+% width height linethickness louteuro -
+% draw a Euro symbol of this width and height with this line thickness
+/louteuro {
+ 20 dict begin
+ /eurothick exch def
+ /euroheight exch def
+ /eurowidth exch def
+ /eurostrokewidth euroheight 0.8 mul def
+ /eurostep eurothick 60 cos mul 60 sin div def
+ /eurotheta 40 def
+
+ % llx lly width thickness louteurobox -
+ % draw angled box starting at (llx, lly) with given width and thickness
+ /louteurobox
+ {
+ /euroboxthick exch def
+ /euroboxwidth exch def
+ newpath moveto euroboxwidth 0 rlineto
+ eurostep euroboxthick rlineto
+ euroboxwidth neg 0 rlineto closepath fill
+ } def
+
+ % lower cross stroke
+ 0 euroheight 2 div eurothick 1.5 mul sub
+ eurostrokewidth eurothick louteurobox
+
+ % upper cross stroke
+ 0 euroheight 2 div eurothick 0.5 mul add
+ eurostrokewidth eurostep 2 mul add eurothick louteurobox
+
+ % circular part
+ /eurohctr eurowidth euroheight 2 div eurotheta cos mul sub def
+ /eurovctr euroheight 2 div def
+ newpath
+ eurohctr eurovctr eurovctr eurotheta 350 eurotheta sub arc
+ eurohctr eurovctr eurovctr eurothick sub 365 eurotheta sub eurotheta arcn
+ closepath fill
+ end
+} def
+
+% path for @FullWidthRule symbol
+/LoutRule
+{ 0 0 moveto xsize 0 lineto
+} def
+
+% path for @Box symbol
+/LoutBox
+{ 0 0 moveto xsize 0 lineto
+ xsize ysize lineto 0 ysize lineto
+ closepath
+} def
+
+% path for @CurveBox symbol
+/LoutCurveBox
+{ xmark 0 moveto
+ xsize xmark sub xmark xmark 270 360 arc
+ xsize xmark sub ysize xmark sub xmark 0 90 arc
+ xmark ysize xmark sub xmark 90 180 arc
+ xmark xmark xmark 180 270 arc
+ closepath
+} def
+
+% path for @ShadowBox symbol
+/LoutShadowBox
+{ xmark 2 mul 0 moveto xsize 0 lineto
+ xsize ysize xmark 2 mul sub lineto
+ xsize xmark sub ysize xmark 2 mul sub lineto
+ xsize xmark sub xmark lineto
+ xmark 2 mul xmark lineto
+ closepath
+} def
+
+% set up dictionary containing margin note data: parity LoutMargSet -
+/LoutMargSet
+{ /LoutMargDict 12 dict def
+ LoutMargDict begin
+ /parity exch def
+ /matr matrix currentmatrix def
+ /rightx xsize def
+ /lefty ysize def % highest allowable point for top of next left note
+ /righty ysize def % highest allowable point for top of next right note
+ /max { 2 copy gt { pop } { exch pop } ifelse } def
+ /min { 2 copy lt { pop } { exch pop } ifelse } def
+ end
+} def
+
+%translate coordinate system for marginal notes: type LoutMargShift -
+% where type 0 is left margin, 1 is right margin, 2 is outer, 3 is inner
+/LoutMargShift
+{ LoutMargDict begin
+
+ % y coordinate of top of note, in margin coords, before vertical adjust
+ 0 ysize transform matr itransform exch pop
+
+ % decide whether left or right margin based on type and parity
+ exch [ 0 1 parity 1 parity sub ] exch get 0 eq
+ {
+ % left margin: adjust top of note downwards if overlaps previous note
+ lefty min
+
+ % bottom of note is new lefty position and also translate position
+ ysize sub dup /lefty exch def
+
+ % want right edge of note at coordinate zero
+ xsize neg exch
+ }
+ {
+ % right margin: adjust top of note downwards if overlaps previous note
+ righty min
+
+ % bottom of note is new righty position and also translate position
+ ysize sub dup /righty exch def
+
+ % want left edge of note at coordinate rightx
+ rightx exch
+ } ifelse
+
+ % stack now contains coord of bottom left corner in margin coordinates
+ matr setmatrix translate
+ end
+} def
+
+% create LoutPageDict with left, right, foot, top for @Place symbol users
+/LoutPageSet
+{
+ /LoutPageDict 5 dict def
+ LoutPageDict begin
+ /matr matrix currentmatrix def
+ /left 0 def
+ /right xsize def
+ /foot 0 def
+ /top ysize def
+ end
+
+} def
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+grestore
+
+grestore
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+showpage
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+%%Trailer
+%%DocumentNeededResources: font Helvetica
+%%+ font Symbol
+%%+ font Times-Roman
+%%+ font Times-Italic
+%%+ font Times-Bold
+%%DocumentSuppliedResources: procset LoutStartUp
+%%+ procset LoutTabPrependGraphic
+%%+ procset LoutFigPrependGraphic
+%%+ procset LoutBasicSetup
+%%+ encoding vec2
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+%%EOF
diff --git a/doc/expert/README b/doc/expert/README
index a69bf2b..8bf70b6 100644
--- a/doc/expert/README
+++ b/doc/expert/README
@@ -16,4 +16,4 @@ copy of the final outfile.ps is included. There
should be no warning messages on the fifth run.
Jeffrey H. Kingston
-9 March 2000
+8 April 2000
diff --git a/doc/expert/all b/doc/expert/all
index e2a5a78..84b3ae7 100644
--- a/doc/expert/all
+++ b/doc/expert/all
@@ -10,8 +10,8 @@ Lout
Document Formatting System }
@Author { Jeffrey H. Kingston }
- @Edition { Version 3.18
-February, 2000 }
+ @Edition { Version 3.20
+April, 2000 }
@Publisher { @I { @CopyRight Copyright 1991, 2000, Jeffrey
H. Kingston, Basser Department of Computer Science, The University
of Sydney 2006, Australia.} }
diff --git a/doc/expert/exa_bibl b/doc/expert/exa_bibl
index f1e1930..9de5f26 100644
--- a/doc/expert/exa_bibl
+++ b/doc/expert/exa_bibl
@@ -65,7 +65,7 @@ The right parameter of @@Open may use the exported parameters of the
left, and so the result is
@ID {
@Reference&&strunk1979style @Open
-{ @Author, {Slope @Font @Title}. @Publisher, @Year. } &0io
+{ @Author, {Slope @Font @Title}. @Publisher, @Year. } |0io
}
Incidentally, we are not limited to just one database of references;
several @@Database symbols can nominate the same symbol, and invocations of
@@ -105,7 +105,7 @@ and so on. The following prints the reference whose tag is
}
It has result
@ID {
-@RefStyle&&Book @Open { @Style strunk1979style } &0io
+@RefStyle&&Book @Open { @Style strunk1979style } |0io
}
Notice how the @Code "@Style" parameter of @Code "@RefStyle" is given the
parameter {@Code strunk1979style}, which it uses to open the appropriate
diff --git a/doc/expert/outfile.ps b/doc/expert/outfile.ps
new file mode 100644
index 0000000..2f14b30
--- /dev/null
+++ b/doc/expert/outfile.ps
@@ -0,0 +1,16122 @@
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+%%Creator: Basser Lout Version 3.20 (April 2000)
+%%CreationDate: Sat Apr 8 14:58:34 2000
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+
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+% %
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+% of all these symbols begin with "ltab". %
+% %
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+% 24 September 1991 %
+% 22 December 1992 %
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+
+% linewidth ltabhd -
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+ setlinewidth 0 setlinecap stroke
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+% linewidth ltabvdr -
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+{ dup dup
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+ 3 mul 0 moveto 3 mul ysize lineto
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+} def
+%%EndResource
+
+%%BeginResource: procset LoutFigPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/figf.lpg
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+% %
+% PostScript @SysPrependGraphic file for @Fig Jeffrey H. Kingston %
+% Version 2.0 (includes CIRCUM label) January 1992 %
+% %
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+% %
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+ show
+ ( Command: ) show
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+ dup 0 4 index putinterval
+ dup 3 index length 3 index putinterval
+ 3 1 roll pop pop
+} def
+
+% <string> lfigdebugprint -
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+% (; operand stack:\n) print
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+% { ==
+% (\n) print
+% } repeat
+% (\n) print
+% } def
+
+/lfigdict 120 dict def
+lfigdict begin
+
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+/syntaxerror (syntaxerror error: syntax error in text of figure?) def
+/typecheck (typecheck error: syntax error in text of figure?) def
+/undefined (undefined error: unknown or misspelt label?) def
+/VMError (VMError error: run out of memory?) def
+
+% push pi onto stack: - lfigpi <num>
+/lfigpi 3.14159 def
+
+% arc directions
+/clockwise false def
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+
+% maximum of two numbers: <num> <num> lfigmax <num>
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+
+% minimum of two numbers: <num> <num> lfigmin <num>
+/lfigmin { 2 copy lt { pop } { exch pop } ifelse } def
+
+% add two points: <point> <point> lfigpadd <point>
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+
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+} def
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+
+% shape and labels of the @Box symbol
+/lfigbox
+{
+ 0 0 /SW lfigpointdef
+ xsize 0 /SE lfigpointdef
+ xsize ysize /NE lfigpointdef
+ 0 ysize /NW lfigpointdef
+ SE 0.5 lfigpmul /S lfigpointdef
+ NW 0.5 lfigpmul /W lfigpointdef
+ W SE lfigpadd /E lfigpointdef
+ S NW lfigpadd /N lfigpointdef
+ NE 0.5 lfigpmul /CTR lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @CurveBox symbol
+/lfigcurvebox
+{
+
+ xsize 0.5 mul ysize 0.5 mul /CTR lfigpointdef
+ xsize 0.5 mul 0 /S lfigpointdef
+ xsize ysize 0.5 mul /E lfigpointdef
+ xsize 0.5 mul ysize /N lfigpointdef
+ 0 ysize 0.5 mul /W lfigpointdef
+
+ xmark 0.293 mul xmark 0.293 mul /SW lfigpointdef
+ xsize xmark 0.293 mul sub xmark 0.293 mul /SE lfigpointdef
+ xsize xmark 0.293 mul sub ysize xmark 0.293 mul sub /NE lfigpointdef
+ xmark 0.293 mul ysize xmark 0.293 mul sub /NW lfigpointdef
+
+ [ xsize ysize 0.5 lfigpmul xmark /lfigcurveboxcircum cvx ] lfigcircumdef
+
+ xmark 0
+ xsize xmark sub 0
+ [ xsize xmark sub xmark ]
+ xsize xmark
+ xsize ysize xmark sub
+ [ xsize xmark sub ysize xmark sub ]
+ xsize xmark sub ysize
+ xmark ysize
+ [ xmark ysize xmark sub ]
+ 0 ysize xmark sub
+ 0 xmark
+ [ xmark xmark ]
+ xmark 0
+} def
+
+% shadow of the @ShadowBox symbol
+% its shape and labels are done, somewhat inaccurately, with lfigbox
+/lfigshadow
+{ xmark 2 mul 0 moveto xsize 0 lineto
+ xsize ysize xmark 2 mul sub lineto
+ xsize xmark sub ysize xmark 2 mul sub lineto
+ xsize xmark sub xmark lineto
+ xmark 2 mul xmark lineto closepath fill
+} def
+
+% shape and labels of the @Square symbol
+/lfigsquare
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize xsize ysize ysize lfigpmax 0.5 lfigpmul lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ SW 0.5 lfigpmul SE 0.5 lfigpmul lfigpadd /S lfigpointdef
+ NW 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /N lfigpointdef
+ SW 0.5 lfigpmul NW 0.5 lfigpmul lfigpadd /W lfigpointdef
+ SE 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /E lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @Diamond symbol
+/lfigdiamond
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigdiamondcircum cvx ] lfigcircumdef
+ S E N W S
+} def
+
+% shape and labels of the @Ellipse symbol
+/lfigellipse
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ CTR xsize 0 0.3536 lfigpmul lfigpadd 0 ysize 0.3536 lfigpmul lfigpadd /NE lfigpointdef
+ 0 ysize 0.3536 lfigpmul CTR xsize 0 0.3536 lfigpmul lfigpadd lfigpsub /SE lfigpointdef
+ xsize 0 0.3536 lfigpmul CTR lfigpsub 0 ysize 0.3536 lfigpmul lfigpadd /NW lfigpointdef
+ 0 ysize 0.3536 lfigpmul xsize 0 0.3536 lfigpmul CTR lfigpsub lfigpsub /SW lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @Circle symbol
+/lfigcircle
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize 0 ysize 0 lfigpmax 0.5 lfigpmul lfigpadd /E lfigpointdef
+ CTR 0 0 CTR E lfigdistance 45 lfigatangle lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR E lfigdistance 90 lfigatangle lfigpadd /N lfigpointdef
+ CTR 0 0 CTR E lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 180 lfigatangle lfigpadd /W lfigpointdef
+ CTR 0 0 CTR E lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 270 lfigatangle lfigpadd /S lfigpointdef
+ CTR 0 0 CTR E lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ [ S E lfigpsub /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @HLine and @HArrow symbols
+/lfighline
+{
+ 0 ymark lfigprevious /FROM lfigpointdef
+ xsize ymark lfigprevious /TO lfigpointdef
+} def
+
+% shape and labels of the @VLine and @VArrow symbols
+/lfigvline
+{
+ xmark ysize lfigprevious /FROM lfigpointdef
+ xmark 0 lfigprevious /TO lfigpointdef
+} def
+
+% points of a polygon around base with given no of sides, vert init angle:
+% <sides> <angle> figpolygon <point> ... <point>
+/lfigpolygon
+{ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ 90 sub CTR 2 copy lfigmax 5 3 roll
+ [ 4 copy pop /lfigpolycircum cvx ] lfigcircumdef
+ exch dup 360 exch div exch
+ 1 1 3 2 roll
+ { 4 string cvs (P) exch lfigconcat cvn
+ 6 copy pop pop lfigatangle 2 copy 10 2 roll
+ 3 2 roll lfigpointdef
+ dup 3 1 roll add exch
+ } for
+ pop lfigatangle
+} def
+
+% next array element: <array> <index> lfiggetnext <array> <index> <any> true
+% or <array> <index> false
+/lfiggetnext
+{ 2 copy exch length ge
+ { false }
+ { 2 copy get exch 1 add exch true } ifelse
+} def
+
+% check whether thing is number: <any> lfigisnumbertype <any> <bool>
+/lfigisnumbertype
+{ dup type dup
+ /integertype eq exch /realtype eq or
+} def
+
+% check whether thing is an array: <any> lfigisarraytype <any> <bool>
+/lfigisarraytype { dup type /arraytype eq } def
+
+% get next item: <array> <index> lfiggetnextitem <array> <index> 0
+% or <array> <index> <array> 1
+% or <array> <index> <point> 2
+/lfiggetnextitem
+{ lfiggetnext
+ { lfigisarraytype
+ { 1
+ }
+ { lfigisnumbertype
+ { 3 1 roll
+ lfiggetnext
+ { lfigisnumbertype
+ { 4 3 roll exch 2
+ }
+ { pop 3 2 roll pop 0
+ } ifelse
+ }
+ { 3 2 roll pop 0
+ } ifelse
+ }
+ { pop 0
+ } ifelse
+ } ifelse
+ }
+ { 0
+ } ifelse
+} def
+
+% set arc path: bool x1 y1 x2 y2 x0 y0 lfigsetarc <angle> <angle> <dist>
+% the path goes from x1 y1 to x2 y2 about centre x0 y0,
+% anticlockwise if bool is true else clockwise.
+% The orientations of backwards pointing and forwards pointing
+% arrowheads are returned in the two angles, and
+% the length of the arc is returned in <dist>.
+/lfigsetarc
+{
+ 20 dict begin
+ matrix currentmatrix 8 1 roll
+ 2 copy translate 2 copy 8 2 roll
+ 4 2 roll lfigpsub 6 2 roll lfigpsub
+ dup /y1 exch def dup mul /y1s exch def
+ dup /x1 exch def dup mul /x1s exch def
+ dup /y2 exch def dup mul /y2s exch def
+ dup /x2 exch def dup mul /x2s exch def
+
+ y1s y2s eq
+ { -1
+ }
+ { y1s x2s mul y2s x1s mul sub y1s y2s sub div
+ } ifelse
+ /da exch def
+
+ x1s x2s eq
+ { -1
+ }
+ { x1s y2s mul x2s y1s mul sub x1s x2s sub div
+ } ifelse
+ /db exch def
+
+ da 0 gt db 0 gt and
+ { /LMax da sqrt db sqrt lfigmax def
+ /scalex da sqrt LMax div def
+ /scaley db sqrt LMax div def
+ scalex scaley scale
+ 0 0 LMax
+ 0 0 x1 scalex mul y1 scaley mul lfigangle
+ 0 0 x2 scalex mul y2 scaley mul lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 5 2 roll % res1 res2 ang1 ang2 anticlockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul LMax mul 180 div
+ }
+ { 0 0 x1 y1 lfigdistance 0 0 x2 y2 lfigdistance eq
+ 0 0 x1 y1 lfigdistance 0 gt and
+ { 0 0
+ 0 0 x1 y1 lfigdistance
+ 0 0 x1 y1 lfigangle
+ 0 0 x2 y2 lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ 5 2 roll % res1 res2 ang1 ang2 clockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul 0 0 x1 y1 lfigdistance mul 180 div
+ }
+ { x2 y2 lineto pop
+ x2 y2 x1 y1 lfigangle
+ x1 y1 x2 y2 lfigangle
+ x1 y1 x2 y2 lfigdistance
+ } ifelse
+ } ifelse
+ 4 -1 roll setmatrix
+ end
+} def
+
+% lfigsetcurve: set up a Bezier curve from x0 y0 to x3 y3
+% and return arrowhead angles and length of curve (actually 0)
+% x0 y0 x1 y1 x2 y2 x3 y3 lfigsetcurve <angle> <angle> <length>
+/lfigsetcurve
+{ 8 copy curveto pop pop
+ lfigangle
+ 5 1 roll
+ 4 2 roll lfigangle
+ exch
+ 0
+} def
+
+% lfigpaintpath: paint a path of the given shape
+% /paint [ shape ] lfigpaintpath -
+/lfigpaintpath
+{
+ 10 dict begin
+ 0 newpath
+ /prevseen false def
+ /curveseen false def
+ { lfiggetnextitem
+ dup 0 eq { pop exit }
+ { 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /curveseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr
+ lfigsetcurve pop pop pop
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc pop pop pop
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ } ifelse
+ }
+ { xcurr ycurr moveto
+ } ifelse
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop pop pop cvx exec
+ end
+} def
+
+% stroke a path of the given shape in the given linestyle and dash length.
+% Return the origin and angle of the backward and forward arrow heads.
+% dashlength /linestyle [shape] lfigdopath [<point> <angle>] [<point> <angle>]
+/lfigdopath
+{
+ 10 dict begin
+ 0
+ /prevseen false def
+ /curveseen false def
+ /backarrow [] def
+ /fwdarrow [] def
+ {
+ lfiggetnextitem
+ dup 0 eq { pop exit }
+ {
+ 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /prevseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { newpath xprev yprev moveto
+ curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr lfigsetcurve
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ xcurr ycurr xprev yprev lfigangle dup 180 sub
+ xprev yprev xcurr ycurr lfigdistance
+ } ifelse
+ 6 index 6 index cvx exec
+ [ xprev yprev 5 -1 roll ]
+ backarrow length 0 eq
+ { /backarrow exch def }
+ { pop } ifelse
+ [ xcurr ycurr 4 -1 roll ] /fwdarrow exch def
+ } if
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop
+ pop pop pop pop
+ backarrow length 0 eq { [ 0 0 0 ] } { backarrow } ifelse
+ fwdarrow length 0 eq { [ 0 0 0 ] } { fwdarrow } ifelse
+ end
+} def
+
+% lfigdoarrow: draw an arrow head of given form
+% dashlength /lstyle /pstyle hfrac height width [ <point> <angle> ] lfigdoarrow -
+/lfigdoarrow
+{ matrix currentmatrix 8 1 roll
+ dup 0 get 1 index 1 get translate
+ 2 get rotate
+ [ 2 index neg 2 index 0 0
+ 3 index 3 index neg
+ 1 index 10 index mul 0
+ 7 index 7 index ]
+ 4 1 roll pop pop pop
+ dup 3 1 roll
+ gsave lfigpaintpath grestore lfigdopath pop pop
+ setmatrix
+} def
+
+% arrow head styles
+/lfigopen 0.0 def
+/lfighalfopen 0.5 def
+/lfigclosed 1.0 def
+
+% stroke no arrows, forward, back, and both
+/lfignoarrow { pop pop pop pop pop pop pop pop } def
+/lfigforward { 7 -1 roll lfigdoarrow pop } def
+/lfigback { 8 -2 roll pop lfigdoarrow } def
+/lfigboth { 8 -1 roll 7 copy lfigdoarrow pop 7 -1 roll lfigdoarrow } def
+
+% lfigprevious: return previous point on path
+/lfigprevious
+{ lfigisnumbertype
+ { 2 copy }
+ { lfigisarraytype
+ { 2 index 2 index }
+ { 0 0 }
+ ifelse
+ } ifelse
+} def
+
+% label a point in 2nd top dictionary: <point> /name lfigpointdef -
+/lfigpointdef
+{
+ % (Entering lfigpointdef) lfigdebugprint
+ [ 4 2 roll transform
+ /itransform cvx ] cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigpointdef) lfigdebugprint
+} def
+
+% promote labels from second top to third top dictionary
+% <string> lfigpromotelabels -
+/lfigpromotelabels
+{
+ % (Entering lfigpromotelabels) lfigdebugprint
+ currentdict end exch currentdict end
+ { exch 20 string cvs 2 index
+ (@) lfigconcat exch lfigconcat cvn exch def
+ } forall pop begin
+ % (Leaving lfigpromotelabels) lfigdebugprint
+} def
+
+% show labels (except CIRCUM): - lfigshowlabels -
+/lfigshowlabels
+{
+ % (Entering lfigshowlabels) lfigdebugprint
+ currentdict end
+ currentdict
+ { 1 index 20 string cvs (CIRCUM) search % if CIRCUM in key
+ { pop pop pop pop pop }
+ { pop cvx exec 2 copy
+ newpath 1.5 pt 0 360 arc
+ 0 setgray fill
+ /Times-Roman findfont 8 pt scalefont setfont
+ moveto 0.2 cm 0.1 cm rmoveto 20 string cvs show
+ }
+ ifelse
+ } forall
+ begin
+ % (Leaving lfigshowlabels) lfigdebugprint
+} def
+
+% fix an angle to 0 <= res < 360: <angle> lfigfixangle <angle>
+/lfigfixangle
+{
+ % (Entering lfigfixangle) lfigdebugprint
+ { dup 0 ge { exit } if
+ 360 add
+ } loop
+ { dup 360 lt { exit } if
+ 360 sub
+ } loop
+ % (Leaving lfigfixangle) lfigdebugprint
+} def
+
+% find point on circumference of box: alpha a b lfigboxcircum x y
+/lfigboxcircum
+{
+ % (Entering lfigboxcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ 0 0 a b lfigangle /theta exch def
+
+ % if alpha <= theta, return (a, a*tan(alpha))
+ alpha theta le
+ { a a alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 180 - theta, return (b*cot(alpha), b)
+ alpha 180 theta sub le
+ { b alpha cos mul alpha sin div b }
+ {
+ % else if alpha <= 180 + theta, return (-a, -a*tan(alpha))
+ alpha 180 theta add le
+ { a neg a neg alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 360 - theta, return (-b*cot(alpha), -b)
+ alpha 360 theta sub le
+ { b neg alpha cos mul alpha sin div b neg }
+ {
+ % else 360 - theta <= alpha, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigboxcircum) lfigdebugprint
+} def
+
+% find quadratic roots (assume a != 0): a b c lfigqroots x1 x2 2
+% or x2 1
+% or 0
+/lfigqroots
+{
+ 4 dict begin
+ /c exch def
+ /b exch def
+ /a exch def
+ /disc b b mul 4 a c mul mul sub def
+ disc 0 lt
+ { 0
+ }
+ { disc 0 eq
+ { b neg 2 a mul div
+ 1
+ }
+ { b neg disc sqrt add 2 a mul div
+ b neg disc sqrt sub 2 a mul div
+ 2
+ }
+ ifelse
+ }
+ ifelse
+ end
+} def
+
+% work our which quadrant: <angle> lfigquadrant <0-3>
+/lfigquadrant
+{ dup 90 lt
+ { pop 0
+ }
+ { dup 180 lt
+ { pop 1
+ }
+ { 270 lt
+ { 2
+ }
+ { 3
+ } ifelse
+ } ifelse
+ } ifelse
+} def
+
+% find curvebox circum, assuming upper right quadrant: alpha a b xmk lfigcb x y
+/lfigcb
+{
+ 6 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ /alpha exch def
+ /theta1 0 0 a b xmk sub lfigangle def
+ /theta2 0 0 a xmk sub b lfigangle def
+ alpha theta1 le
+ { % if alpha <= theta1, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ }
+ { alpha theta2 ge
+ { % else if alpha > theta2, return (b*cot(alpha), b)
+ b alpha cos mul alpha sin div b
+ }
+ {
+ % else, return the intersection of line and circle
+ a xmk sub b xmk sub xmk 0 0 alpha lfigcircleintersect
+ dup 0 eq
+ { % should never happen, just return any reasonable point
+ pop
+ a b 0.5 lfigpmul
+ }
+ { 1 eq
+ { % should never happen, just return the point on top of stack
+ }
+ { % the usual case, two points on stack, return the larger
+ lfigpmax
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+} def
+
+% find point on circumference of curvebox: alpha a b xmk lfigcurveboxcircum x y
+/lfigcurveboxcircum
+{
+ % (Entering lfigcurveboxcircum) lfigdebugprint
+ 5 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+
+ % work out which quadrant we are in, and reflect accordingly
+ /quad alpha lfigquadrant def
+ quad 0 eq
+ { alpha a b xmk lfigcb
+ }
+ { quad 1 eq
+ { 180 alpha sub a b xmk lfigcb exch neg exch
+ }
+ { quad 2 eq
+ { alpha 180 sub a b xmk lfigcb neg exch neg exch
+ }
+ { 360 alpha sub a b xmk lfigcb neg
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcurveboxcircum) lfigdebugprint
+} def
+
+% find point on circumference of diamond: alpha a b lfigdiamondcircum x y
+/lfigdiamondcircum
+{
+ % (Entering lfigdiamondcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos abs mul a alpha sin abs mul add /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigdiamondcircum) lfigdebugprint
+} def
+
+% find point on circumference of ellipse: alpha a b lfigellipsecircum x y
+/lfigellipsecircum
+{
+ % (Entering lfigellipsecircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos mul dup mul a alpha sin mul dup mul add sqrt /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigellipsecircum) lfigdebugprint
+} def
+
+% find point of intersection of two lines each defined by two points
+% x1 y1 x2 y2 x3 y3 x4 y4 lfiglineintersect x y
+/lfiglineintersect
+{
+ % (Entering lfiglineintersect) lfigdebugprint
+ 13 dict begin
+ /y4 exch def
+ /x4 exch def
+ /y3 exch def
+ /x3 exch def
+ /y2 exch def
+ /x2 exch def
+ /y1 exch def
+ /x1 exch def
+ x2 x1 sub /x21 exch def
+ x4 x3 sub /x43 exch def
+ y2 y1 sub /y21 exch def
+ y4 y3 sub /y43 exch def
+ y21 x43 mul y43 x21 mul sub /det exch def
+
+ % calculate x
+ y21 x43 mul x1 mul
+ y43 x21 mul x3 mul sub
+ y3 y1 sub x21 mul x43 mul add
+ det div
+
+ % calculate y
+ x21 y43 mul y1 mul
+ x43 y21 mul y3 mul sub
+ x3 x1 sub y21 mul y43 mul add
+ det neg div
+
+ end
+ % (Leaving lfiglineintersect) lfigdebugprint
+} def
+
+% find point on circumference of polygon
+% alpha radius num theta lfigpolycircum x y
+/lfigpolycircum
+{
+ % (Entering lfigpolycircum) lfigdebugprint
+ 13 dict begin
+ /theta exch def
+ /num exch def
+ /radius exch def
+ /alpha exch def
+
+ % calculate delta, the angle from theta to alpha
+ alpha theta sub lfigfixangle
+
+ % calculate the angle which is the multiple of 360/num closest to delta
+ 360 num div div truncate 360 num div mul theta add /anglea exch def
+
+ % calculate the next multiple of 360/num after anglea
+ anglea 360 num div add /angleb exch def
+
+ % intersect the line through these two points with the alpha line
+ anglea cos anglea sin angleb cos angleb sin
+ 0 0 alpha cos 2 mul alpha sin 2 mul
+ lfiglineintersect radius lfigpmul
+
+ end
+ % (Leaving lfigpolycircum) lfigdebugprint
+} def
+
+% find point of intersection of a point and a circle
+% x0 y0 r x1 y1 theta lfigcircleintersect xa ya xb yb 2
+% or xb yb 1
+% or 0
+/lfigcircleintersect
+{
+ % (Entering lfigcircleintersect) lfigdebugprint
+ 15 dict begin
+ /theta exch def
+ /y1 exch def
+ /x1 exch def
+ /r exch def
+ /y0 exch def
+ /x0 exch def
+
+ % if sin(theta) = 0 then line is horizontal and y must be y1
+ theta sin abs 0.00001 lt
+ {
+ /a 1 def
+ /b -2 x0 mul def
+ /c x0 dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 1
+ }
+ { y1 exch y1 2
+ } ifelse
+ } ifelse
+ }
+ {
+ /ct theta cos theta sin div def
+ /a ct ct mul 1 add def
+ /b ct x1 x0 sub mul y1 add y0 sub 2 mul def
+ /c x1 x0 sub dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xb yb 1
+ }
+ { y1 add /ya exch def
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+ y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xa ya xb yb 2
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcircleintersect) lfigdebugprint
+} def
+
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+{ % (Entering lfigcircumdef) lfigdebugprint
+ /CIRCUM exch cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigcircumdef) lfigdebugprint
+} def
+
+end
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+ /euroheight exch def
+ /eurowidth exch def
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+ /eurotheta 40 def
+
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+ /euroboxwidth exch def
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+ } def
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+ eurostrokewidth eurothick louteurobox
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+
+ % circular part
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+ /eurovctr euroheight 2 div def
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+ closepath fill
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+} def
+
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+ xsize ysize lineto 0 ysize lineto
+ closepath
+} def
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+ xsize xmark sub xmark xmark 270 360 arc
+ xsize xmark sub ysize xmark sub xmark 0 90 arc
+ xmark ysize xmark sub xmark 90 180 arc
+ xmark xmark xmark 180 270 arc
+ closepath
+} def
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+ xsize xmark sub ysize xmark 2 mul sub lineto
+ xsize xmark sub xmark lineto
+ xmark 2 mul xmark lineto
+ closepath
+} def
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+% set up dictionary containing margin note data: parity LoutMargSet -
+/LoutMargSet
+{ /LoutMargDict 12 dict def
+ LoutMargDict begin
+ /parity exch def
+ /matr matrix currentmatrix def
+ /rightx xsize def
+ /lefty ysize def % highest allowable point for top of next left note
+ /righty ysize def % highest allowable point for top of next right note
+ /max { 2 copy gt { pop } { exch pop } ifelse } def
+ /min { 2 copy lt { pop } { exch pop } ifelse } def
+ end
+} def
+
+%translate coordinate system for marginal notes: type LoutMargShift -
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+{ LoutMargDict begin
+
+ % y coordinate of top of note, in margin coords, before vertical adjust
+ 0 ysize transform matr itransform exch pop
+
+ % decide whether left or right margin based on type and parity
+ exch [ 0 1 parity 1 parity sub ] exch get 0 eq
+ {
+ % left margin: adjust top of note downwards if overlaps previous note
+ lefty min
+
+ % bottom of note is new lefty position and also translate position
+ ysize sub dup /lefty exch def
+
+ % want right edge of note at coordinate zero
+ xsize neg exch
+ }
+ {
+ % right margin: adjust top of note downwards if overlaps previous note
+ righty min
+
+ % bottom of note is new righty position and also translate position
+ ysize sub dup /righty exch def
+
+ % want left edge of note at coordinate rightx
+ rightx exch
+ } ifelse
+
+ % stack now contains coord of bottom left corner in margin coordinates
+ matr setmatrix translate
+ end
+} def
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+grestore
+
+grestore
+
+grestore
+
+pgsave restore
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+%%BeginPageSetup
+%%PageResources: font Times-Roman
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+%%+ font Times-Italic
+%%+ font Helvetica
+/pgsave save def
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+/Times-Boldfnt84 vec2 /Times-Bold LoutRecode
+/fnt84 { /Times-Boldfnt84 LoutFont } def
+%%IncludeResource: font Times-Italic
+/Times-Italicfnt83 vec2 /Times-Italic LoutRecode
+/fnt83 { /Times-Italicfnt83 LoutFont } def
+0.0500 dup scale 10 setlinewidth
+%%EndPageSetup
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+0.0000 rotate
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+grestore
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+%%Trailer
+%%DocumentNeededResources: font Helvetica
+%%+ font Helvetica-Oblique
+%%+ font Symbol
+%%+ font Times-Roman
+%%+ font Times-Italic
+%%+ font Times-Bold
+%%+ font Times-BoldItalic
+%%DocumentSuppliedResources: procset LoutStartUp
+%%+ procset LoutTabPrependGraphic
+%%+ procset LoutFigPrependGraphic
+%%+ procset LoutBasicSetup
+%%+ encoding vec2
+%%Pages: 102
+%%EOF
diff --git a/doc/expert/preface b/doc/expert/preface
index 826487f..5dae00b 100644
--- a/doc/expert/preface
+++ b/doc/expert/preface
@@ -21,7 +21,7 @@ This manual presents Version 3 of Basser Lout, publicly released in
September 1994 @Cite { $kingston1995lout.program }. This manual was
rendered into PostScript
postscript @Index { PostScript }
-by Version 3.19 of the Basser Lout interpreter, using the symbols
+by Version 3.20 of the Basser Lout interpreter, using the symbols
described in the User's Guide @Cite { $kingston1995lout.user }.
@DP
@Heading { Acknowledgment. } Version 3 has benefited from hundreds of
diff --git a/doc/slides/README b/doc/slides/README
index 9279092..acbd629 100644
--- a/doc/slides/README
+++ b/doc/slides/README
@@ -15,4 +15,4 @@ after the second run. A copy of the final
outfile.ps is included.
Jeff Kingston
-9 March 2000
+8 April 2000
diff --git a/doc/slides/all b/doc/slides/all
index 98c7d6c..6e5f02e 100644
--- a/doc/slides/all
+++ b/doc/slides/all
@@ -500,7 +500,7 @@ begin
DoPriAbstract(root^.rightchild);
end;
end;
-} &0io
+} |0io
}
@End @Overhead
diff --git a/doc/slides/outfile.ps b/doc/slides/outfile.ps
new file mode 100644
index 0000000..5a8bd75
--- /dev/null
+++ b/doc/slides/outfile.ps
@@ -0,0 +1,4473 @@
+%!PS-Adobe-3.0
+%%Creator: Basser Lout Version 3.20 (April 2000)
+%%CreationDate: Sat Apr 8 14:54:15 2000
+%%DocumentData: Binary
+%%DocumentNeededResources: (atend)
+%%DocumentSuppliedResources: (atend)
+%%DocumentMedia: A4 595 842 0 white ()
+%%PageOrder: Ascend
+%%Pages: (atend)
+%%BoundingBox: 0 0 595 842
+%%EndComments
+
+%%BeginProlog
+%%BeginResource: procset LoutStartUp
+/m { 3 1 roll moveto show } bind def
+/mo { 3 1 roll moveto true charpath stroke } bind def
+/s { exch currentpoint exch pop moveto show } bind def
+/so { exch currentpoint exch pop moveto true charpath stroke } bind def
+/k { exch neg 0 rmoveto show } bind def
+/ko { exch neg 0 rmoveto true charpath stroke } bind def
+/ul { gsave setlinewidth dup 3 1 roll
+ moveto lineto stroke grestore } bind def
+/in { 1440 mul } def
+/cm { 567 mul } def
+/pt { 20 mul } def
+/em { 120 mul } def
+/sp { louts mul } def
+/vs { loutv mul } def
+/ft { loutf mul } def
+/dg { } def
+
+/LoutGraphic {
+ /louts exch def
+ /loutv exch def
+ /loutf exch def
+ /ymark exch def
+ /xmark exch def
+ /ysize exch def
+ /xsize exch def
+} def
+
+/LoutGr2 { gsave translate LoutGraphic gsave } def
+
+/LoutFont
+{ findfont exch scalefont setfont
+} bind def
+
+/LoutRecode {
+ { findfont dup length dict begin
+ {1 index /FID ne {def} {pop pop} ifelse} forall
+ /Encoding exch def
+ currentdict end definefont pop
+ }
+ stopped pop
+} bind def
+
+/BeginEPSF {
+ /LoutEPSFState save def
+ /dict_count countdictstack def
+ /op_count count 1 sub def
+ userdict begin
+ /showpage { } def
+ 0 setgray 0 setlinecap
+ 1 setlinewidth 0 setlinejoin
+ 10 setmiterlimit [] 0 setdash newpath
+ /languagelevel where
+ { pop languagelevel
+ 1 ne
+ { false setstrokeadjust false setoverprint
+ } if
+ } if
+} bind def
+
+/EndEPSF {
+ count op_count sub { pop } repeat
+ countdictstack dict_count sub { end } repeat
+ LoutEPSFState restore
+} bind def
+%%EndResource
+
+%%BeginResource: encoding vec2
+/vec2 [
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
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+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
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+/zero /one /two /three /four /five /six /seven
+/eight /nine /colon /semicolon /less /equal /greater /question
+/at /A /B /C /D /E /F /G
+/H /I /J /K /L /M /N /O
+/P /Q /R /S /T /U /V /W
+/X /Y /Z /bracketleft /backslash /bracketright /asciicircum /underscore
+/quoteleft /a /b /c /d /e /f /g
+/h /i /j /k /l /m /n /o
+/p /q /r /s /t /u /v /w
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+/dotlessi /grave /acute /circumflex /tilde /macron /breve /dotaccent
+/dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron
+/space /exclamdown /cent /sterling /currency /yen /brokenbar /section
+/dieresis /copyright /ordfeminine /guillemotleft /logicalnot /hyphen /registered /macron
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+/eth /ntilde /ograve /oacute /ocircumflex /otilde /odieresis /divide
+/oslash /ugrave /uacute /ucircumflex /udieresis /yacute /thorn /ydieresis
+] def
+%%EndResource
+
+%%BeginResource: procset LoutTabPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/tabf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Tab %
+% %
+% To assist in avoiding name clashes, the names %
+% of all these symbols begin with "ltab". %
+% %
+% Jeffrey H. Kingston %
+% 24 September 1991 %
+% 22 December 1992 %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% linewidth ltabhs -
+% horizontal single line
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+{ 0 0 moveto xsize 0 lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhsp -
+% horizontal single line with projecting ends
+/ltabhsp
+{ 0 0 moveto xsize 0 lineto
+ setlinewidth 2 setlinecap stroke
+} def
+
+% linewidth ltabhd -
+% horizontal double line
+/ltabhd
+{ dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch 3 mul moveto xsize exch 3 mul lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhdb -
+% horizontal double line below mark
+/ltabhdb
+{ dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch -3 mul moveto xsize exch -3 mul lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhdnw -
+% horizontal double line with northwest corner
+/ltabhdnw
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ xsize exch 3 mul moveto
+ -3 mul exch 3 mul lineto
+ -3 mul 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdne -
+% horizontal double line with northeast corner
+/ltabhdne
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch 3 mul moveto
+ 3 mul xsize add exch 3 mul lineto
+ 3 mul xsize add 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdsw -
+% horizontal double line with southwest corner
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+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ xsize exch -3 mul moveto
+ -3 mul exch -3 mul lineto
+ -3 mul 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdse -
+% horizontal double line with southeast corner
+/ltabhdse
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch -3 mul moveto
+ 3 mul xsize add exch -3 mul lineto
+ 3 mul xsize add 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabvs -
+% vertical single line
+/ltabvs
+{ 0 0 moveto 0 ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabvd -
+% vertical double line
+/ltabvd
+{ dup dup
+ 0 0 moveto 0 ysize lineto
+ -3 mul 0 moveto -3 mul ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabvdr -
+% vertical double line to right of mark
+/ltabvdr
+{ dup dup
+ 0 0 moveto 0 ysize lineto
+ 3 mul 0 moveto 3 mul ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+%%EndResource
+
+%%BeginResource: procset LoutFigPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/figf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Fig Jeffrey H. Kingston %
+% Version 2.0 (includes CIRCUM label) January 1992 %
+% %
+% To assist in avoiding name clashes, the names of all symbols %
+% defined here begin with "lfig". However, this is not feasible %
+% with user-defined labels and some labels used by users. %
+% %
+% <point> is two numbers, a point. %
+% <length> is one number, a length %
+% <angle> is one number, an angle in degrees %
+% <dashlength> is one number, the preferred length of a dash %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+errordict begin
+ /handleerror
+ {
+ { /Times-Roman findfont 8 pt scalefont setfont
+ 0 setgray 4 pt 4 pt moveto
+ $error /errorname get
+ dup lfigdict exch known
+ { lfigdict exch get }
+ { 30 string cvs } ifelse
+ show
+ ( Command: ) show
+ $error /command get 30 string cvs show
+ } stopped {} if
+ showpage stop
+ } def
+end
+
+% concat strings: <string> <string> lfigconcat <string>
+% must be defined outside lfigdict since used in lfigpromotelabels
+/lfigconcat
+{ 2 copy length exch length add string
+ dup 0 4 index putinterval
+ dup 3 index length 3 index putinterval
+ 3 1 roll pop pop
+} def
+
+% <string> lfigdebugprint -
+% must be defined outside lfigdict since used in arbitrary places
+% /lfigdebugprint
+% { print
+% (; operand stack:\n) print
+% count copy
+% count 2 idiv
+% { ==
+% (\n) print
+% } repeat
+% (\n) print
+% } def
+
+/lfigdict 120 dict def
+lfigdict begin
+
+% error messages
+/dictfull (dictfull error: too many labels?) def
+/dictstackoverflow (dictstackoverflow error: labels nested too deeply?) def
+/execstackoverflow (execstackoverflow error: figure nested too deeply?) def
+/limitcheck (limitcheck error: figure nested too deeply or too large?) def
+/syntaxerror (syntaxerror error: syntax error in text of figure?) def
+/typecheck (typecheck error: syntax error in text of figure?) def
+/undefined (undefined error: unknown or misspelt label?) def
+/VMError (VMError error: run out of memory?) def
+
+% push pi onto stack: - lfigpi <num>
+/lfigpi 3.14159 def
+
+% arc directions
+/clockwise false def
+/anticlockwise true def
+
+% maximum of two numbers: <num> <num> lfigmax <num>
+/lfigmax { 2 copy gt { pop } { exch pop } ifelse } def
+
+% minimum of two numbers: <num> <num> lfigmin <num>
+/lfigmin { 2 copy lt { pop } { exch pop } ifelse } def
+
+% add two points: <point> <point> lfigpadd <point>
+/lfigpadd { exch 3 1 roll add 3 1 roll add exch } def
+
+% subtract first point from second: <point> <point> lfigpsub <point>
+/lfigpsub { 3 2 roll sub 3 1 roll exch sub exch } def
+
+% max two points: <point> <point> lfigpmax <point>
+/lfigpmax { exch 3 1 roll lfigmax 3 1 roll lfigmax exch } def
+
+% min two points: <point> <point> lfigpmin <point>
+/lfigpmin { exch 3 1 roll lfigmin 3 1 roll lfigmin exch } def
+
+% scalar multiplication: <point> <num> lfigpmul <point>
+/lfigpmul { dup 3 1 roll mul 3 1 roll mul exch } def
+
+% point at angle and distance: <point> <length> <angle> lfigatangle <point>
+/lfigatangle { 2 copy cos mul 3 1 roll sin mul lfigpadd } def
+
+% angle from one point to another: <point> <point> lfigangle <angle>
+/lfigangle { lfigpsub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def
+
+% distance between two points: <point> <point> lfigdistance <length>
+/lfigdistance { lfigpsub dup mul exch dup mul add sqrt } def
+
+% difference in x coords: <point> <point> lfigxdistance <length>
+/lfigxdistance { pop 3 1 roll pop sub } def
+
+%difference in y coords: <point> <point> lfigydistance <length>
+/lfigydistance { 3 1 roll pop sub exch pop } def
+
+% stroke a solid line: <length> <dashlength> lfigsolid -
+/lfigsolid
+{ pop pop [] 0 setdash stroke
+} def
+
+% stroke a lfigdashed line: <length> <dashlength> lfigdashed -
+/lfigdashed
+{ 2 copy div 2 le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch dup ] 0 setdash }
+ { dup [ exch 4 2 roll 2 copy div
+ 1 sub 2 div ceiling dup 4 1 roll
+ 1 add mul sub exch div ] 0 setdash
+ } ifelse stroke
+} def
+
+% stroke a lfigcdashed line: <length> <dashlength> lfigcdashed -
+/lfigcdashed
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch dup ] dup 0 get 2 div setdash }
+ { dup [ 4 2 roll exch 2 copy exch div
+ 2 div ceiling div 1 index sub
+ ] exch 2 div setdash
+ } ifelse stroke
+} def
+
+% stroke a dotted line: <length> <dashlength> lfigdotted -
+/lfigdotted
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch 0 exch ] 0 setdash }
+ { 1 index exch div ceiling div
+ [ 0 3 2 roll ] 0 setdash
+ } ifelse stroke
+} def
+
+% stroke a noline line: <length> <dashlength> lfignoline -
+/lfignoline
+{ pop pop
+} def
+
+% painting (i.e. filling): - lfigwhite - (etc.)
+/lfignopaint { } def
+/lfignochange { fill } def
+/lfigdarkblue { 0.0 0.0 0.5 setrgbcolor fill } def
+/lfigblue { 0.0 0.0 1.0 setrgbcolor fill } def
+/lfiglightblue { 0.5 0.5 1.0 setrgbcolor fill } def
+/lfigdarkgreen { 0.0 0.5 0.0 setrgbcolor fill } def
+/lfiggreen { 0.0 1.0 0.0 setrgbcolor fill } def
+/lfiglightgreen { 0.5 1.0 0.5 setrgbcolor fill } def
+/lfigdarkred { 0.5 0.0 0.0 setrgbcolor fill } def
+/lfigred { 1.0 0.0 0.0 setrgbcolor fill } def
+/lfiglightred { 1.0 0.5 0.5 setrgbcolor fill } def
+/lfigdarkcyan { 0.0 0.5 0.5 setrgbcolor fill } def
+/lfigcyan { 0.0 1.0 1.0 setrgbcolor fill } def
+/lfiglightcyan { 0.5 1.0 1.0 setrgbcolor fill } def
+/lfigdarkmagenta { 0.5 0.0 0.5 setrgbcolor fill } def
+/lfigmagenta { 1.0 0.0 1.0 setrgbcolor fill } def
+/lfiglightmagenta { 1.0 0.5 1.0 setrgbcolor fill } def
+/lfigdarkyellow { 0.5 0.5 0.0 setrgbcolor fill } def
+/lfigyellow { 1.0 1.0 0.0 setrgbcolor fill } def
+/lfiglightyellow { 1.0 1.0 0.5 setrgbcolor fill } def
+/lfigdarkgray { 0.2 0.2 0.2 setrgbcolor fill } def
+/lfiggray { 0.5 0.5 0.5 setrgbcolor fill } def
+/lfiglightgray { 0.8 0.8 0.8 setrgbcolor fill } def
+/lfigdarkgrey { 0.2 0.2 0.2 setrgbcolor fill } def
+/lfiggrey { 0.5 0.5 0.5 setrgbcolor fill } def
+/lfiglightgrey { 0.8 0.8 0.8 setrgbcolor fill } def
+/lfigblack { 0.0 0.0 0.0 setrgbcolor fill } def
+/lfigwhite { 1.0 1.0 1.0 setrgbcolor fill } def
+
+% line caps (and joins, not currently used)
+/lfigbutt 0 def
+/lfiground 1 def
+/lfigprojecting 2 def
+/lfigmiter 0 def
+/lfigbevel 2 def
+
+% shape and labels of the @Box symbol
+/lfigbox
+{
+ 0 0 /SW lfigpointdef
+ xsize 0 /SE lfigpointdef
+ xsize ysize /NE lfigpointdef
+ 0 ysize /NW lfigpointdef
+ SE 0.5 lfigpmul /S lfigpointdef
+ NW 0.5 lfigpmul /W lfigpointdef
+ W SE lfigpadd /E lfigpointdef
+ S NW lfigpadd /N lfigpointdef
+ NE 0.5 lfigpmul /CTR lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @CurveBox symbol
+/lfigcurvebox
+{
+
+ xsize 0.5 mul ysize 0.5 mul /CTR lfigpointdef
+ xsize 0.5 mul 0 /S lfigpointdef
+ xsize ysize 0.5 mul /E lfigpointdef
+ xsize 0.5 mul ysize /N lfigpointdef
+ 0 ysize 0.5 mul /W lfigpointdef
+
+ xmark 0.293 mul xmark 0.293 mul /SW lfigpointdef
+ xsize xmark 0.293 mul sub xmark 0.293 mul /SE lfigpointdef
+ xsize xmark 0.293 mul sub ysize xmark 0.293 mul sub /NE lfigpointdef
+ xmark 0.293 mul ysize xmark 0.293 mul sub /NW lfigpointdef
+
+ [ xsize ysize 0.5 lfigpmul xmark /lfigcurveboxcircum cvx ] lfigcircumdef
+
+ xmark 0
+ xsize xmark sub 0
+ [ xsize xmark sub xmark ]
+ xsize xmark
+ xsize ysize xmark sub
+ [ xsize xmark sub ysize xmark sub ]
+ xsize xmark sub ysize
+ xmark ysize
+ [ xmark ysize xmark sub ]
+ 0 ysize xmark sub
+ 0 xmark
+ [ xmark xmark ]
+ xmark 0
+} def
+
+% shadow of the @ShadowBox symbol
+% its shape and labels are done, somewhat inaccurately, with lfigbox
+/lfigshadow
+{ xmark 2 mul 0 moveto xsize 0 lineto
+ xsize ysize xmark 2 mul sub lineto
+ xsize xmark sub ysize xmark 2 mul sub lineto
+ xsize xmark sub xmark lineto
+ xmark 2 mul xmark lineto closepath fill
+} def
+
+% shape and labels of the @Square symbol
+/lfigsquare
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize xsize ysize ysize lfigpmax 0.5 lfigpmul lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ SW 0.5 lfigpmul SE 0.5 lfigpmul lfigpadd /S lfigpointdef
+ NW 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /N lfigpointdef
+ SW 0.5 lfigpmul NW 0.5 lfigpmul lfigpadd /W lfigpointdef
+ SE 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /E lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @Diamond symbol
+/lfigdiamond
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigdiamondcircum cvx ] lfigcircumdef
+ S E N W S
+} def
+
+% shape and labels of the @Ellipse symbol
+/lfigellipse
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ CTR xsize 0 0.3536 lfigpmul lfigpadd 0 ysize 0.3536 lfigpmul lfigpadd /NE lfigpointdef
+ 0 ysize 0.3536 lfigpmul CTR xsize 0 0.3536 lfigpmul lfigpadd lfigpsub /SE lfigpointdef
+ xsize 0 0.3536 lfigpmul CTR lfigpsub 0 ysize 0.3536 lfigpmul lfigpadd /NW lfigpointdef
+ 0 ysize 0.3536 lfigpmul xsize 0 0.3536 lfigpmul CTR lfigpsub lfigpsub /SW lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @Circle symbol
+/lfigcircle
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize 0 ysize 0 lfigpmax 0.5 lfigpmul lfigpadd /E lfigpointdef
+ CTR 0 0 CTR E lfigdistance 45 lfigatangle lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR E lfigdistance 90 lfigatangle lfigpadd /N lfigpointdef
+ CTR 0 0 CTR E lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 180 lfigatangle lfigpadd /W lfigpointdef
+ CTR 0 0 CTR E lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 270 lfigatangle lfigpadd /S lfigpointdef
+ CTR 0 0 CTR E lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ [ S E lfigpsub /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @HLine and @HArrow symbols
+/lfighline
+{
+ 0 ymark lfigprevious /FROM lfigpointdef
+ xsize ymark lfigprevious /TO lfigpointdef
+} def
+
+% shape and labels of the @VLine and @VArrow symbols
+/lfigvline
+{
+ xmark ysize lfigprevious /FROM lfigpointdef
+ xmark 0 lfigprevious /TO lfigpointdef
+} def
+
+% points of a polygon around base with given no of sides, vert init angle:
+% <sides> <angle> figpolygon <point> ... <point>
+/lfigpolygon
+{ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ 90 sub CTR 2 copy lfigmax 5 3 roll
+ [ 4 copy pop /lfigpolycircum cvx ] lfigcircumdef
+ exch dup 360 exch div exch
+ 1 1 3 2 roll
+ { 4 string cvs (P) exch lfigconcat cvn
+ 6 copy pop pop lfigatangle 2 copy 10 2 roll
+ 3 2 roll lfigpointdef
+ dup 3 1 roll add exch
+ } for
+ pop lfigatangle
+} def
+
+% next array element: <array> <index> lfiggetnext <array> <index> <any> true
+% or <array> <index> false
+/lfiggetnext
+{ 2 copy exch length ge
+ { false }
+ { 2 copy get exch 1 add exch true } ifelse
+} def
+
+% check whether thing is number: <any> lfigisnumbertype <any> <bool>
+/lfigisnumbertype
+{ dup type dup
+ /integertype eq exch /realtype eq or
+} def
+
+% check whether thing is an array: <any> lfigisarraytype <any> <bool>
+/lfigisarraytype { dup type /arraytype eq } def
+
+% get next item: <array> <index> lfiggetnextitem <array> <index> 0
+% or <array> <index> <array> 1
+% or <array> <index> <point> 2
+/lfiggetnextitem
+{ lfiggetnext
+ { lfigisarraytype
+ { 1
+ }
+ { lfigisnumbertype
+ { 3 1 roll
+ lfiggetnext
+ { lfigisnumbertype
+ { 4 3 roll exch 2
+ }
+ { pop 3 2 roll pop 0
+ } ifelse
+ }
+ { 3 2 roll pop 0
+ } ifelse
+ }
+ { pop 0
+ } ifelse
+ } ifelse
+ }
+ { 0
+ } ifelse
+} def
+
+% set arc path: bool x1 y1 x2 y2 x0 y0 lfigsetarc <angle> <angle> <dist>
+% the path goes from x1 y1 to x2 y2 about centre x0 y0,
+% anticlockwise if bool is true else clockwise.
+% The orientations of backwards pointing and forwards pointing
+% arrowheads are returned in the two angles, and
+% the length of the arc is returned in <dist>.
+/lfigsetarc
+{
+ 20 dict begin
+ matrix currentmatrix 8 1 roll
+ 2 copy translate 2 copy 8 2 roll
+ 4 2 roll lfigpsub 6 2 roll lfigpsub
+ dup /y1 exch def dup mul /y1s exch def
+ dup /x1 exch def dup mul /x1s exch def
+ dup /y2 exch def dup mul /y2s exch def
+ dup /x2 exch def dup mul /x2s exch def
+
+ y1s y2s eq
+ { -1
+ }
+ { y1s x2s mul y2s x1s mul sub y1s y2s sub div
+ } ifelse
+ /da exch def
+
+ x1s x2s eq
+ { -1
+ }
+ { x1s y2s mul x2s y1s mul sub x1s x2s sub div
+ } ifelse
+ /db exch def
+
+ da 0 gt db 0 gt and
+ { /LMax da sqrt db sqrt lfigmax def
+ /scalex da sqrt LMax div def
+ /scaley db sqrt LMax div def
+ scalex scaley scale
+ 0 0 LMax
+ 0 0 x1 scalex mul y1 scaley mul lfigangle
+ 0 0 x2 scalex mul y2 scaley mul lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 5 2 roll % res1 res2 ang1 ang2 anticlockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul LMax mul 180 div
+ }
+ { 0 0 x1 y1 lfigdistance 0 0 x2 y2 lfigdistance eq
+ 0 0 x1 y1 lfigdistance 0 gt and
+ { 0 0
+ 0 0 x1 y1 lfigdistance
+ 0 0 x1 y1 lfigangle
+ 0 0 x2 y2 lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ 5 2 roll % res1 res2 ang1 ang2 clockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul 0 0 x1 y1 lfigdistance mul 180 div
+ }
+ { x2 y2 lineto pop
+ x2 y2 x1 y1 lfigangle
+ x1 y1 x2 y2 lfigangle
+ x1 y1 x2 y2 lfigdistance
+ } ifelse
+ } ifelse
+ 4 -1 roll setmatrix
+ end
+} def
+
+% lfigsetcurve: set up a Bezier curve from x0 y0 to x3 y3
+% and return arrowhead angles and length of curve (actually 0)
+% x0 y0 x1 y1 x2 y2 x3 y3 lfigsetcurve <angle> <angle> <length>
+/lfigsetcurve
+{ 8 copy curveto pop pop
+ lfigangle
+ 5 1 roll
+ 4 2 roll lfigangle
+ exch
+ 0
+} def
+
+% lfigpaintpath: paint a path of the given shape
+% /paint [ shape ] lfigpaintpath -
+/lfigpaintpath
+{
+ 10 dict begin
+ 0 newpath
+ /prevseen false def
+ /curveseen false def
+ { lfiggetnextitem
+ dup 0 eq { pop exit }
+ { 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /curveseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr
+ lfigsetcurve pop pop pop
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc pop pop pop
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ } ifelse
+ }
+ { xcurr ycurr moveto
+ } ifelse
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop pop pop cvx exec
+ end
+} def
+
+% stroke a path of the given shape in the given linestyle and dash length.
+% Return the origin and angle of the backward and forward arrow heads.
+% dashlength /linestyle [shape] lfigdopath [<point> <angle>] [<point> <angle>]
+/lfigdopath
+{
+ 10 dict begin
+ 0
+ /prevseen false def
+ /curveseen false def
+ /backarrow [] def
+ /fwdarrow [] def
+ {
+ lfiggetnextitem
+ dup 0 eq { pop exit }
+ {
+ 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /prevseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { newpath xprev yprev moveto
+ curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr lfigsetcurve
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ xcurr ycurr xprev yprev lfigangle dup 180 sub
+ xprev yprev xcurr ycurr lfigdistance
+ } ifelse
+ 6 index 6 index cvx exec
+ [ xprev yprev 5 -1 roll ]
+ backarrow length 0 eq
+ { /backarrow exch def }
+ { pop } ifelse
+ [ xcurr ycurr 4 -1 roll ] /fwdarrow exch def
+ } if
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop
+ pop pop pop pop
+ backarrow length 0 eq { [ 0 0 0 ] } { backarrow } ifelse
+ fwdarrow length 0 eq { [ 0 0 0 ] } { fwdarrow } ifelse
+ end
+} def
+
+% lfigdoarrow: draw an arrow head of given form
+% dashlength /lstyle /pstyle hfrac height width [ <point> <angle> ] lfigdoarrow -
+/lfigdoarrow
+{ matrix currentmatrix 8 1 roll
+ dup 0 get 1 index 1 get translate
+ 2 get rotate
+ [ 2 index neg 2 index 0 0
+ 3 index 3 index neg
+ 1 index 10 index mul 0
+ 7 index 7 index ]
+ 4 1 roll pop pop pop
+ dup 3 1 roll
+ gsave lfigpaintpath grestore lfigdopath pop pop
+ setmatrix
+} def
+
+% arrow head styles
+/lfigopen 0.0 def
+/lfighalfopen 0.5 def
+/lfigclosed 1.0 def
+
+% stroke no arrows, forward, back, and both
+/lfignoarrow { pop pop pop pop pop pop pop pop } def
+/lfigforward { 7 -1 roll lfigdoarrow pop } def
+/lfigback { 8 -2 roll pop lfigdoarrow } def
+/lfigboth { 8 -1 roll 7 copy lfigdoarrow pop 7 -1 roll lfigdoarrow } def
+
+% lfigprevious: return previous point on path
+/lfigprevious
+{ lfigisnumbertype
+ { 2 copy }
+ { lfigisarraytype
+ { 2 index 2 index }
+ { 0 0 }
+ ifelse
+ } ifelse
+} def
+
+% label a point in 2nd top dictionary: <point> /name lfigpointdef -
+/lfigpointdef
+{
+ % (Entering lfigpointdef) lfigdebugprint
+ [ 4 2 roll transform
+ /itransform cvx ] cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigpointdef) lfigdebugprint
+} def
+
+% promote labels from second top to third top dictionary
+% <string> lfigpromotelabels -
+/lfigpromotelabels
+{
+ % (Entering lfigpromotelabels) lfigdebugprint
+ currentdict end exch currentdict end
+ { exch 20 string cvs 2 index
+ (@) lfigconcat exch lfigconcat cvn exch def
+ } forall pop begin
+ % (Leaving lfigpromotelabels) lfigdebugprint
+} def
+
+% show labels (except CIRCUM): - lfigshowlabels -
+/lfigshowlabels
+{
+ % (Entering lfigshowlabels) lfigdebugprint
+ currentdict end
+ currentdict
+ { 1 index 20 string cvs (CIRCUM) search % if CIRCUM in key
+ { pop pop pop pop pop }
+ { pop cvx exec 2 copy
+ newpath 1.5 pt 0 360 arc
+ 0 setgray fill
+ /Times-Roman findfont 8 pt scalefont setfont
+ moveto 0.2 cm 0.1 cm rmoveto 20 string cvs show
+ }
+ ifelse
+ } forall
+ begin
+ % (Leaving lfigshowlabels) lfigdebugprint
+} def
+
+% fix an angle to 0 <= res < 360: <angle> lfigfixangle <angle>
+/lfigfixangle
+{
+ % (Entering lfigfixangle) lfigdebugprint
+ { dup 0 ge { exit } if
+ 360 add
+ } loop
+ { dup 360 lt { exit } if
+ 360 sub
+ } loop
+ % (Leaving lfigfixangle) lfigdebugprint
+} def
+
+% find point on circumference of box: alpha a b lfigboxcircum x y
+/lfigboxcircum
+{
+ % (Entering lfigboxcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ 0 0 a b lfigangle /theta exch def
+
+ % if alpha <= theta, return (a, a*tan(alpha))
+ alpha theta le
+ { a a alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 180 - theta, return (b*cot(alpha), b)
+ alpha 180 theta sub le
+ { b alpha cos mul alpha sin div b }
+ {
+ % else if alpha <= 180 + theta, return (-a, -a*tan(alpha))
+ alpha 180 theta add le
+ { a neg a neg alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 360 - theta, return (-b*cot(alpha), -b)
+ alpha 360 theta sub le
+ { b neg alpha cos mul alpha sin div b neg }
+ {
+ % else 360 - theta <= alpha, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigboxcircum) lfigdebugprint
+} def
+
+% find quadratic roots (assume a != 0): a b c lfigqroots x1 x2 2
+% or x2 1
+% or 0
+/lfigqroots
+{
+ 4 dict begin
+ /c exch def
+ /b exch def
+ /a exch def
+ /disc b b mul 4 a c mul mul sub def
+ disc 0 lt
+ { 0
+ }
+ { disc 0 eq
+ { b neg 2 a mul div
+ 1
+ }
+ { b neg disc sqrt add 2 a mul div
+ b neg disc sqrt sub 2 a mul div
+ 2
+ }
+ ifelse
+ }
+ ifelse
+ end
+} def
+
+% work our which quadrant: <angle> lfigquadrant <0-3>
+/lfigquadrant
+{ dup 90 lt
+ { pop 0
+ }
+ { dup 180 lt
+ { pop 1
+ }
+ { 270 lt
+ { 2
+ }
+ { 3
+ } ifelse
+ } ifelse
+ } ifelse
+} def
+
+% find curvebox circum, assuming upper right quadrant: alpha a b xmk lfigcb x y
+/lfigcb
+{
+ 6 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ /alpha exch def
+ /theta1 0 0 a b xmk sub lfigangle def
+ /theta2 0 0 a xmk sub b lfigangle def
+ alpha theta1 le
+ { % if alpha <= theta1, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ }
+ { alpha theta2 ge
+ { % else if alpha > theta2, return (b*cot(alpha), b)
+ b alpha cos mul alpha sin div b
+ }
+ {
+ % else, return the intersection of line and circle
+ a xmk sub b xmk sub xmk 0 0 alpha lfigcircleintersect
+ dup 0 eq
+ { % should never happen, just return any reasonable point
+ pop
+ a b 0.5 lfigpmul
+ }
+ { 1 eq
+ { % should never happen, just return the point on top of stack
+ }
+ { % the usual case, two points on stack, return the larger
+ lfigpmax
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+} def
+
+% find point on circumference of curvebox: alpha a b xmk lfigcurveboxcircum x y
+/lfigcurveboxcircum
+{
+ % (Entering lfigcurveboxcircum) lfigdebugprint
+ 5 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+
+ % work out which quadrant we are in, and reflect accordingly
+ /quad alpha lfigquadrant def
+ quad 0 eq
+ { alpha a b xmk lfigcb
+ }
+ { quad 1 eq
+ { 180 alpha sub a b xmk lfigcb exch neg exch
+ }
+ { quad 2 eq
+ { alpha 180 sub a b xmk lfigcb neg exch neg exch
+ }
+ { 360 alpha sub a b xmk lfigcb neg
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcurveboxcircum) lfigdebugprint
+} def
+
+% find point on circumference of diamond: alpha a b lfigdiamondcircum x y
+/lfigdiamondcircum
+{
+ % (Entering lfigdiamondcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos abs mul a alpha sin abs mul add /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigdiamondcircum) lfigdebugprint
+} def
+
+% find point on circumference of ellipse: alpha a b lfigellipsecircum x y
+/lfigellipsecircum
+{
+ % (Entering lfigellipsecircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos mul dup mul a alpha sin mul dup mul add sqrt /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigellipsecircum) lfigdebugprint
+} def
+
+% find point of intersection of two lines each defined by two points
+% x1 y1 x2 y2 x3 y3 x4 y4 lfiglineintersect x y
+/lfiglineintersect
+{
+ % (Entering lfiglineintersect) lfigdebugprint
+ 13 dict begin
+ /y4 exch def
+ /x4 exch def
+ /y3 exch def
+ /x3 exch def
+ /y2 exch def
+ /x2 exch def
+ /y1 exch def
+ /x1 exch def
+ x2 x1 sub /x21 exch def
+ x4 x3 sub /x43 exch def
+ y2 y1 sub /y21 exch def
+ y4 y3 sub /y43 exch def
+ y21 x43 mul y43 x21 mul sub /det exch def
+
+ % calculate x
+ y21 x43 mul x1 mul
+ y43 x21 mul x3 mul sub
+ y3 y1 sub x21 mul x43 mul add
+ det div
+
+ % calculate y
+ x21 y43 mul y1 mul
+ x43 y21 mul y3 mul sub
+ x3 x1 sub y21 mul y43 mul add
+ det neg div
+
+ end
+ % (Leaving lfiglineintersect) lfigdebugprint
+} def
+
+% find point on circumference of polygon
+% alpha radius num theta lfigpolycircum x y
+/lfigpolycircum
+{
+ % (Entering lfigpolycircum) lfigdebugprint
+ 13 dict begin
+ /theta exch def
+ /num exch def
+ /radius exch def
+ /alpha exch def
+
+ % calculate delta, the angle from theta to alpha
+ alpha theta sub lfigfixangle
+
+ % calculate the angle which is the multiple of 360/num closest to delta
+ 360 num div div truncate 360 num div mul theta add /anglea exch def
+
+ % calculate the next multiple of 360/num after anglea
+ anglea 360 num div add /angleb exch def
+
+ % intersect the line through these two points with the alpha line
+ anglea cos anglea sin angleb cos angleb sin
+ 0 0 alpha cos 2 mul alpha sin 2 mul
+ lfiglineintersect radius lfigpmul
+
+ end
+ % (Leaving lfigpolycircum) lfigdebugprint
+} def
+
+% find point of intersection of a point and a circle
+% x0 y0 r x1 y1 theta lfigcircleintersect xa ya xb yb 2
+% or xb yb 1
+% or 0
+/lfigcircleintersect
+{
+ % (Entering lfigcircleintersect) lfigdebugprint
+ 15 dict begin
+ /theta exch def
+ /y1 exch def
+ /x1 exch def
+ /r exch def
+ /y0 exch def
+ /x0 exch def
+
+ % if sin(theta) = 0 then line is horizontal and y must be y1
+ theta sin abs 0.00001 lt
+ {
+ /a 1 def
+ /b -2 x0 mul def
+ /c x0 dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 1
+ }
+ { y1 exch y1 2
+ } ifelse
+ } ifelse
+ }
+ {
+ /ct theta cos theta sin div def
+ /a ct ct mul 1 add def
+ /b ct x1 x0 sub mul y1 add y0 sub 2 mul def
+ /c x1 x0 sub dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xb yb 1
+ }
+ { y1 add /ya exch def
+ ya y1 sub ct mul x1 add /xa exch def
+ y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xa ya xb yb 2
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcircleintersect) lfigdebugprint
+} def
+
+% add CIRCUM operator with this body: <array> lfigcircumdef -
+/lfigcircumdef
+{ % (Entering lfigcircumdef) lfigdebugprint
+ /CIRCUM exch cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigcircumdef) lfigdebugprint
+} def
+
+end
+%%EndResource
+
+%%BeginResource: procset LoutGraphPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/graphf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Graph (Version 1.0) %
+% %
+% Version 1.0 by Jeffrey H. Kingston, December 1993. %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+errordict begin
+ /handleerror
+ {
+ { /Times-Roman findfont 8 pt scalefont setfont
+ 0 setgray 4 pt 4 pt moveto
+ $error /errorname get
+ dup lgraphdict exch known
+ { lgraphdict exch get }
+ { 30 string cvs } ifelse
+ show
+ ( Command: ) show
+ $error /command get 30 string cvs show
+ } stopped {} if
+ showpage stop
+ } def
+end
+
+/lgraphdict 200 dict def
+lgraphdict begin
+
+% error messages
+/dictfull (dictfull error) def
+/dictstackoverflow (dictstackoverflow error) def
+/execstackoverflow (execstackoverflow error: expression too complex?) def
+/limitcheck (limitcheck error: graph too complex or too large?) def
+/syntaxerror (syntaxerror error: syntax error in text of graph?) def
+/typecheck (typecheck error: syntax error in text of graph?) def
+/undefined (undefined error: unknown or misspelt symbol?) def
+/rangecheck (rangecheck error: undefined expression (e.g. divide by zero)?) def
+/VMError (VMError error: run out of memory?) def
+
+% random number between x and y inclusive: x y dorand num
+/dorand { 1 index sub 1 add rand exch mod add } def
+
+% log to given base: base num dolog num
+/dolog { ln exch ln div } def
+
+% maximum of two numbers: <num> <num> max <num>
+/max { 2 copy gt { pop } { exch pop } ifelse } def
+
+% add two points: <point> <point> padd <point>
+/padd { exch 3 1 roll add 3 1 roll add exch } def
+
+% subtract first point from second: <point> <point> psub <point>
+/psub { 3 2 roll sub 3 1 roll exch sub exch } def
+
+% distance between two points: <point> <point> distance <length>
+/distance { psub dup mul exch dup mul add sqrt } def
+
+% point at angle and distance: <point> <length> <angle> atangle <point>
+/atangle { 2 copy cos mul 3 1 roll sin mul padd } def
+
+% angle from one point to another: <point> <point> angle <angle>
+/angle { psub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def
+
+
+% set up for line
+% - linesetup <length> <dashlength>
+/linesetup
+{ newpath
+ xcurr ycurr trpoint xprev yprev trpoint
+ 4 copy moveto lineto distance dashlength
+} def
+
+% set up for icon-avoiding line
+% - ilinesetup <length> <dashlength>
+/ilinesetup
+{ newpath
+ xprev yprev trpoint xcurr ycurr trpoint 4 copy
+ 4 copy angle symbolsize 1.5 mul exch 4 2 roll pop pop atangle
+ 6 2 roll 4 2 roll
+ 4 copy angle symbolsize 1.5 mul exch 4 2 roll pop pop atangle
+ 4 copy moveto lineto distance dashlength
+} def
+
+
+% stroke a solid line: <length> <dashlength> solid -
+/solid
+{ pop pop [] 0 setdash linewidth setlinewidth stroke
+} def
+
+% stroke a dashed line: <length> <dashlength> dashed -
+/dashed
+{ 2 copy 2 mul le 1 index 0 le or
+ { exch pop 1 pt max [ exch dup ] 0 setdash }
+ { dup [ exch 4 2 roll 2 copy div
+ 1 sub 2 div ceiling dup 4 1 roll
+ 1 add mul sub exch div ] 0 setdash
+ } ifelse linewidth setlinewidth stroke
+} def
+
+% stroke a cdashed line: <length> <dashlength> cdashed -
+/cdashed
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt max [ exch dup ] dup 0 get 2 div setdash }
+ { dup [ 4 2 roll exch 2 copy exch div
+ 2 div ceiling div 1 index sub
+ ] exch 2 div setdash
+ } ifelse linewidth setlinewidth stroke
+} def
+
+% stroke a dotted line: <length> <dashlength> dotted -
+/dotted
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt max [ exch 0 exch ] 0 setdash }
+ { 1 index exch div ceiling div 0.99999 mul
+ [ 0 3 2 roll ] 0 setdash
+ } ifelse gsave 1 setlinecap linewidth setlinewidth stroke grestore newpath
+} def
+
+% stroke a noline line: <length> <dashlength> noline -
+/noline
+{ pop pop
+} def
+
+% stroke a y histogram: - yhisto -
+/yhisto
+{ xprev yleft trpoint yextra sub moveto
+ xprev yprev trpoint lineto
+ xcurr yprev trpoint lineto
+ xcurr yleft trpoint yextra sub lineto
+ linewidth setlinewidth stroke
+} def
+
+% stroke an x histogram: - xhisto -
+/xhisto
+{ xleft yprev trpoint exch xextra sub exch moveto
+ xcurr yprev trpoint lineto
+ xcurr ycurr trpoint lineto
+ xleft ycurr trpoint exch xextra sub exch lineto
+ linewidth setlinewidth stroke
+} def
+
+% stroke a surface y histogram: - surfaceyhisto -
+/surfaceyhisto
+{ firstpair
+ { xprev yleft trpoint yextra sub moveto
+ xprev yprev trpoint lineto
+ }
+ { xprev yprev trpoint moveto
+ } ifelse
+ xcurr yprev trpoint lineto
+ lastpair
+ { xcurr yleft trpoint yextra sub lineto
+ }
+ { xcurr ycurr trpoint lineto
+ } ifelse
+ linewidth setlinewidth stroke
+} def
+
+% stroke a surface x histogram: - surfacexhisto -
+/surfacexhisto
+{ firstpair
+ { xleft yprev trpoint exch xextra sub exch moveto
+ }
+ { xprev yprev trpoint moveto
+ } ifelse
+ xcurr yprev trpoint lineto
+ xcurr ycurr trpoint lineto
+ lastpair
+ { xleft ycurr trpoint exch xextra sub exch lineto
+ } if
+ linewidth setlinewidth stroke
+} def
+
+% stroke a filled y histogram: - filledyhisto -
+/filledyhisto
+{
+ linewidth setlinewidth
+ xprev yleft trpoint exch currentlinewidth 2 div add exch yextra sub moveto
+ xprev yprev trpoint exch currentlinewidth 2 div add exch lineto
+ xcurr yprev trpoint exch currentlinewidth 2 div sub exch lineto
+ xcurr yleft trpoint exch currentlinewidth 2 div sub exch yextra sub lineto
+ closepath fill
+} def
+
+% stroke a filled x histogram: - filledxhisto -
+/filledxhisto
+{
+ linewidth setlinewidth
+ xleft yprev trpoint currentlinewidth 2 div add exch xextra sub exch moveto
+ xcurr yprev trpoint currentlinewidth 2 div add lineto
+ xcurr ycurr trpoint currentlinewidth 2 div sub lineto
+ xleft ycurr trpoint currentlinewidth 2 div sub exch xextra sub exch lineto
+ closepath fill
+} def
+
+
+% cross: show a small cross
+/cross
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg symbolsize neg rmoveto
+ symbolsize 2 mul symbolsize 2 mul rlineto
+ 0 symbolsize -2 mul rmoveto
+ symbolsize -2 mul symbolsize 2 mul rlineto
+ [] 0 setdash stroke
+} def
+
+% plus: show a small plus
+/plus
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg 0 rmoveto
+ symbolsize 2 mul 0 rlineto
+ symbolsize neg symbolsize neg rmoveto
+ 0 symbolsize 2 mul rlineto
+ [] 0 setdash stroke
+} def
+
+% square: show a small square
+/square
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg symbolsize neg rmoveto
+ symbolsize 2 mul 0 rlineto
+ 0 symbolsize 2 mul rlineto
+ symbolsize -2 mul 0 rlineto
+ closepath [] 0 setdash stroke
+} def
+
+% filledsquare: show a small filled square
+/filledsquare
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg symbolsize neg rmoveto
+ symbolsize 2 mul 0 rlineto
+ 0 symbolsize 2 mul rlineto
+ symbolsize -2 mul 0 rlineto
+ closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+% diamond: show a small diamond
+/diamond
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg 0 rmoveto
+ symbolsize symbolsize neg rlineto
+ symbolsize symbolsize rlineto
+ symbolsize neg symbolsize rlineto
+ closepath [] 0 setdash stroke
+} def
+
+% filleddiamond: show a small filled diamond
+/filleddiamond
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg 0 rmoveto
+ symbolsize symbolsize neg rlineto
+ symbolsize symbolsize rlineto
+ symbolsize neg symbolsize rlineto
+ closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+% circle: show a small circle
+/circle
+{ newpath
+ xcurr ycurr trpoint symbolsize 0 360 arc [] 0 setdash stroke
+} def
+
+% filledcircle: show a small filled circle
+/filledcircle
+{ newpath
+ xcurr ycurr trpoint symbolsize 0 360 arc gsave [] 0 setdash stroke grestore fill
+} def
+
+% triangle: show a small triangle
+/triangle
+{ newpath
+ xcurr ycurr trpoint moveto
+ 0 symbolsize 1.5 mul rmoveto
+ symbolsize neg symbolsize -2.5 mul rlineto
+ symbolsize 2 mul 0 rlineto
+ closepath [] 0 setdash stroke
+} def
+
+% filledtriangle: show a small filled triangle
+/filledtriangle
+{ newpath
+ xcurr ycurr trpoint moveto
+ 0 symbolsize 1.5 mul rmoveto
+ symbolsize neg symbolsize -2.5 mul rlineto
+ symbolsize 2 mul 0 rlineto
+ closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+
+%plog: like log only with a base, and protected from failing if <= 0
+% base x plog res
+/plog { dup 0 le { pop pop 0 } { ln exch ln div } ifelse } def
+
+% xtr: transform one x value logarithmically if xlog > 1
+% <num> xtr <num>
+/xtr
+{ xlog 1 gt
+ { xlog exch plog
+ } if
+} def
+
+% ytr: transform one y value logarithmically if ylog > 1
+% <num> ytr <num>
+/ytr
+{ ylog 1 gt
+ { ylog exch plog
+ } if
+} def
+
+% % trpoint: transform (x, y) in graph space into (x', y') in print space
+% % x y trpoint x' y'
+% /trpoint
+% { exch xtr trxmin sub trxmax trxmin sub div xwidth mul xextra add
+% exch ytr trymin sub trymax trymin sub div ywidth mul yextra add
+% } def
+
+
+% trpoint: transform (x, y) in graph space into (x', y') in print space
+% x y trpoint x' y'
+/trpoint
+{ exch xtr xdecr { trxmax exch sub } { trxmin sub } ifelse
+ trxmax trxmin sub div xwidth mul xextra add
+
+ exch ytr ydecr { trymax exch sub } { trymin sub } ifelse
+ trymax trymin sub div ywidth mul yextra add
+} def
+
+
+% yonly: interpolate x values 1, 2, ... into data
+% [ data ] yonly [ newdata ]
+/yonly
+{ dup /tmp exch def
+ length [ exch 1 exch 1 exch
+ { dup tmp exch 1 sub get
+ } for
+ ]
+} def
+
+% xonly: interpolate y values 1, 2, ... into data
+% [ data ] yonly [ newdata ]
+/xonly
+{ dup /tmp exch def
+ length [ exch 1 exch 1 exch
+ { dup tmp exch 1 sub get exch
+ } for
+ ]
+} def
+
+% xandy: no interpolation of x or y values
+% [ data ] xandy [ data ]
+/xandy {} def
+
+
+% expstringwidth: calculate width of string containing optional exponent
+% <string> expstringwidth <width>
+/expstringwidth
+{ (^) search
+ { exch pop stringwidth pop exch stringwidth pop 0.7 mul add }
+ { stringwidth pop }
+ ifelse
+} def
+
+% expstringshow: show string containing optional exponent
+% <string> expstringshow -
+/expstringshow
+{ (^) search
+ { exch pop show 0 0.5 ft rmoveto
+ gsave currentfont 0.7 scalefont setfont show grestore
+ }
+ { show
+ }
+ ifelse
+} def
+
+% concatenate two strings: <string> <string> strconcat <string>
+/strconcat
+{ 2 copy length exch length add string
+ dup 0 4 index putinterval
+ dup 3 index length 3 index putinterval
+ 3 1 roll pop pop
+} def
+
+% lgen: generate one label automatically
+% num lgen num string
+/lgen { dup 20 string cvs } def
+
+% loglgen: generate one logarithmic label (with exponent)
+% <base> <exponent> loglgen <string>
+/loglgen
+{ 20 string cvs exch 20 string cvs
+ (^) strconcat exch strconcat
+} def
+
+
+% printxtick: print one x tick
+% xpos printxtick -
+/printxtick
+{ newpath
+ yleft trpoint moveto 0 yextra neg rmoveto
+ 0 xticklength neg rlineto [] 0 setdash stroke
+} def
+
+% printxlabel: print one x label
+% (xlabel) xpos printxlabel -
+/printxlabel
+{ yleft trpoint moveto 0 yextra neg rmoveto
+ 0 xticklength neg rmoveto 0 0.9 ft neg rmoveto
+ xlog 1 gt { 0 0.3 ft neg rmoveto } if
+ dup expstringwidth -2 div 0 rmoveto expstringshow
+} def
+
+% printytick: print one y tick
+% ypos printytick -
+/printytick
+{ newpath
+ xleft exch trpoint moveto xextra neg 0 rmoveto
+ yticklength neg 0 rlineto [] 0 setdash stroke
+} def
+
+% printylabel: print one y label
+% (ylabel) ypos printylabel -
+/printylabel
+{ xleft exch trpoint moveto xextra neg 0 rmoveto
+ yticklength neg 0 rmoveto -0.3 ft -0.3 ft rmoveto
+ dup expstringwidth neg 0 rmoveto expstringshow
+} def
+
+% printrtick: print one r tick
+% ypos printrtick -
+/printrtick
+{ newpath
+ xright exch trpoint moveto xextra 0 rmoveto
+ rticklength 0 rlineto [] 0 setdash stroke
+} def
+
+% printrlabel: print one r label
+% (rlabel) ypos printrlabel -
+/printrlabel
+{ xright exch trpoint moveto xextra 0 rmoveto
+ rticklength 0 rmoveto 0.3 ft -0.3 ft rmoveto
+ expstringshow
+} def
+
+% printticks: print ticks and labels
+% /tickproc /labelproc [ tickandlabeldata ] min printticks -
+/printticks
+{ /prev exch def
+ { dup type dup dup /integertype eq exch /realtype eq or
+ { pop dup /prev exch def 2 index cvx exec
+ }
+ { /stringtype eq
+ { prev 2 index cvx exec
+ }
+ { pop
+ } ifelse
+ } ifelse
+ } forall
+ pop pop
+} def
+
+
+% printxaxistick: print one x axis tick
+% xpos printxaxistick -
+/printxaxistick
+{ newpath
+ yaxis trpoint moveto 0 xticklength -2 div rmoveto
+ 0 xticklength rlineto [] 0 setdash stroke
+} def
+
+% printxaxislabel: print one x axis label
+% (xlabel) xpos printxaxislabel -
+/printxaxislabel
+{ yaxis trpoint moveto
+ 0 xticklength -2 div rmoveto 0 0.9 ft neg rmoveto
+ xlog 1 gt { 0 0.3 ft neg rmoveto } if
+ dup expstringwidth -2 div 0 rmoveto expstringshow
+} def
+
+% printyaxistick: print one y axis tick
+% ypos printyaxistick -
+/printyaxistick
+{ newpath
+ xaxis exch trpoint moveto
+ yticklength -2 div 0 rmoveto
+ yticklength 0 rlineto [] 0 setdash stroke
+} def
+
+% printyaxislabel: print one y axis label
+% (ylabel) ypos printyaxislabel -
+/printyaxislabel
+{ xaxis exch trpoint moveto
+ yticklength -2 div 0 rmoveto -0.3 ft -0.3 ft rmoveto
+ dup expstringwidth neg 0 rmoveto expstringshow
+} def
+
+
+% <val> minmax -
+% perform minv := min(minv, val); maxv := max(maxv, val)
+% allowing for the possibility of minv, maxv, val being false (undefined)
+/minmax
+{ dup false eq
+ { pop }
+ { minv false eq
+ { dup /minv exch def /maxv exch def }
+ { dup minv lt
+ { /minv exch def }
+ { dup maxv gt
+ { /maxv exch def }
+ { pop }
+ ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+} def
+
+% <ticks> ticksundef <ticks> <bool>
+% returns true iff the ticks array is undefined (one false entry)
+/ticksundef
+{ dup length 1 eq
+ { dup 0 get false eq
+ }
+ { false }
+ ifelse
+} def
+
+% <number> integral <boolean>
+% true if the number has an integral value
+/integral { dup round eq } def
+
+% ticksep ticks xory alldata minval maxval axis base ticksandlimits ticks min max base
+% ticksandlimits: sort out value of x or y ticks and limits and log base
+/ticksandlimits
+{ /base exch def
+ /minv false def
+ /maxv false def
+
+ % min and max of user-supplied minval, maxval, and axis
+ minmax minmax minmax
+
+ % min and max of data points
+ { 0 get dup dup length 1 sub 3 index exch 2 exch
+ { get minmax dup
+ } for pop pop
+ } forall
+ pop dup
+
+ % min and max of tick values
+ { dup type /stringtype eq
+ { pop } { minmax } ifelse
+ } forall
+
+ % fix minv and maxv if undefined (false) or equal
+ minv false eq
+ { /minv -1 def /maxv 1 def }
+ { minv maxv eq
+ { minv 0 lt
+ { /minv 2 minv mul def /maxv 0 def
+ }
+ { minv 0 eq
+ { /minv -1 def /maxv 1 def
+ }
+ { /minv 0 def /maxv 2 maxv mul def
+ } ifelse
+ } ifelse
+ } if
+ } ifelse
+
+ % invent ticks if undefined
+ ticksundef
+ { pop /ticksep exch def
+
+ % if base is reasonable and minv is positive, logarithmic ticks
+ base 1 gt minv 0 gt and
+ {
+ % get integral log of minv and maxv
+ /logminv base minv plog floor cvi def
+ /logmaxv base maxv plog ceiling cvi def
+
+ % if minv close to base, make it 1; reset minv and maxv
+ logminv 1 eq logmaxv 4 ge and { /logminv 0 def } if
+ /minv base logminv exp def
+ /maxv base logmaxv exp def
+
+ % ticks := [ base**logminv, ... , base**logmaxv ]
+ [ logminv 1 logmaxv
+ { dup base exch exp
+ exch base exch loglgen
+ } for
+ ]
+ }
+ { % non-logarithmic ticks
+ {
+ % fix tick separation if undefined (0) or too small
+ /base 0 def
+ /delta maxv minv sub def
+ ticksep delta 30 div le
+ { /ticksep 10 delta log 1 sub ceiling exp def
+ ticksep delta 2 div ge
+ { /ticksep ticksep 2 div def }
+ { ticksep delta 5 div lt
+ { /ticksep 2 ticksep mul def
+ } if
+ } ifelse
+ } if
+
+ % adjust minv and maxv to be multiples of ticksep
+ /minv minv ticksep div floor ticksep mul def
+ /maxv maxv ticksep div ceiling ticksep mul def
+ /delta maxv minv sub def
+
+ % if minv or maxv near zero, move to zero and redo
+ minv ticksep eq
+ { /minv 0 def }
+ { maxv ticksep neg eq { /maxv 0 def } { exit } ifelse
+ } ifelse
+ } loop
+
+ % if minv, maxv, and ticksep are all integral, set "makeint" to true
+ /makeint minv integral maxv integral ticksep integral and and def
+
+ % ticks := [ minv, minv+ticksep, ... , maxv ]
+ [ 0 1 delta ticksep div round
+ { ticksep mul minv add makeint { cvi } if lgen }
+ for
+ ]
+ } ifelse
+ }
+ { exch pop
+ } ifelse
+ minv maxv base
+} def
+
+% xset: set up all data for x axis, including limits and ticks
+% xticksep xticks 0 alldata xmin xmax xlog xextra xdecr xaxis xticklength xset -
+/xset
+{ /xticklength exch def
+ /xaxis exch def
+ /xdecr exch def
+ /xextra exch def
+ xaxis exch ticksandlimits
+ /xlog exch def /xmax exch def /xmin exch def /xticks exch def
+ /xleft xdecr { xmax } { xmin } ifelse def
+ /xright xdecr { xmin } { xmax } ifelse def
+ /xwidth xsize xextra 2 mul sub def
+ /trxmin xmin xtr def /trxmax xmax xtr def
+} def
+
+% yset: set up all data for y axis, including limits and yticks
+% yticksep yticks 0 alldata ymin ymax ylog yextra ydecr yaxis yticklength yset -
+/yset
+{ /yticklength exch def
+ /yaxis exch def
+ /ydecr exch def
+ /yextra exch def
+ yaxis exch ticksandlimits
+ /ylog exch def /ymax exch def /ymin exch def /yticks exch def
+ /yleft ydecr { ymax } { ymin } ifelse def
+ /yright ydecr { ymin } { ymax } ifelse def
+ /ywidth ysize yextra 2 mul sub def
+ /trymin ymin ytr def /trymax ymax ytr def
+} def
+
+% rset: set up all data for y axis (again), but including limits and rticks
+% rticksep rticks 0 alldata ymin ymax ylog yextra ydecr yaxis rticklength rset -
+/rset
+{ /rticklength exch def
+ /yaxis exch def
+ /ydecr exch def
+ /yextra exch def
+ yaxis exch ticksandlimits
+ /ylog exch def /ymax exch def /ymin exch def /rticks exch def
+ /yleft ydecr { ymax } { ymin } ifelse def
+ /yright ydecr { ymin } { ymax } ifelse def
+ /ywidth ysize yextra 2 mul sub def
+ /trymin ymin ytr def /trymax ymax ytr def
+} def
+
+% norset: set up data for no rticks
+% - norset -
+/norset
+{ /rticklength 0 def
+ /rticks [] def
+} def
+
+% framestyle: print a frame around the graph
+/framestyle
+{ 0 0 moveto xsize 0 lineto xsize ysize lineto
+ 0 ysize lineto closepath stroke
+ /printxtick /printxlabel xticks xleft printticks
+ /printytick /printylabel yticks ymin printticks
+ /printrtick /printrlabel rticks ymin printticks
+} def
+
+% nonestyle: print nothing around the graph
+/nonestyle
+{
+} def
+
+% axesstyle: print axes for the graph (unless axis values missing)
+/axesstyle
+{
+ xaxis false eq yaxis false eq or
+ { framestyle }
+ { xaxis yaxis trpoint dup 0 exch moveto xsize exch lineto
+ dup 0 moveto ysize lineto stroke
+ /printxaxistick /printxaxislabel xticks xleft printticks
+ /printyaxistick /printyaxislabel yticks ymin printticks
+ } ifelse
+} def
+
+% rundata: run all data sets
+/rundata
+{ alldata
+ { gsave
+ dup dup dup dup
+ 4 get /dopaint exch def
+ 3 get /initrun exch def
+ 2 get /pairs exch def
+ 1 get /points exch def
+ 0 get /data exch def
+ dopaint
+ { data length 4 ge
+ { initrun
+ newpath
+ data 0 get ymin trpoint yextra sub moveto
+ 0 2 data length 2 sub
+ { dup 1 add
+ data exch get /ycurr exch def
+ data exch get /xcurr exch def
+ xcurr ycurr trpoint lineto
+ } for
+ data dup length 2 sub get ymin trpoint yextra sub lineto
+ closepath fill
+ } if
+ } if
+ initrun
+ data length 2 ge
+ {
+ /xcurr data 0 get def
+ /ycurr data 1 get def
+ points
+ data length 4 ge
+ { 2 2 data length 2 sub
+ { /xprev xcurr def
+ /yprev ycurr def
+ dup dup 2 eq /firstpair exch def
+ data length 2 sub eq /lastpair exch def
+ dup 1 add
+ data exch get /ycurr exch def
+ data exch get /xcurr exch def
+ pairs
+ points
+ } for
+ } if
+ } if
+ grestore
+ } forall
+} def
+
+end
+%%EndResource
+
+%%BeginResource: procset LoutBasicSetup
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/bsf.lpg
+
+% width height linethickness louteuro -
+% draw a Euro symbol of this width and height with this line thickness
+/louteuro {
+ 20 dict begin
+ /eurothick exch def
+ /euroheight exch def
+ /eurowidth exch def
+ /eurostrokewidth euroheight 0.8 mul def
+ /eurostep eurothick 60 cos mul 60 sin div def
+ /eurotheta 40 def
+
+ % llx lly width thickness louteurobox -
+ % draw angled box starting at (llx, lly) with given width and thickness
+ /louteurobox
+ {
+ /euroboxthick exch def
+ /euroboxwidth exch def
+ newpath moveto euroboxwidth 0 rlineto
+ eurostep euroboxthick rlineto
+ euroboxwidth neg 0 rlineto closepath fill
+ } def
+
+ % lower cross stroke
+ 0 euroheight 2 div eurothick 1.5 mul sub
+ eurostrokewidth eurothick louteurobox
+
+ % upper cross stroke
+ 0 euroheight 2 div eurothick 0.5 mul add
+ eurostrokewidth eurostep 2 mul add eurothick louteurobox
+
+ % circular part
+ /eurohctr eurowidth euroheight 2 div eurotheta cos mul sub def
+ /eurovctr euroheight 2 div def
+ newpath
+ eurohctr eurovctr eurovctr eurotheta 350 eurotheta sub arc
+ eurohctr eurovctr eurovctr eurothick sub 365 eurotheta sub eurotheta arcn
+ closepath fill
+ end
+} def
+
+% path for @FullWidthRule symbol
+/LoutRule
+{ 0 0 moveto xsize 0 lineto
+} def
+
+% path for @Box symbol
+/LoutBox
+{ 0 0 moveto xsize 0 lineto
+ xsize ysize lineto 0 ysize lineto
+ closepath
+} def
+
+% path for @CurveBox symbol
+/LoutCurveBox
+{ xmark 0 moveto
+ xsize xmark sub xmark xmark 270 360 arc
+ xsize xmark sub ysize xmark sub xmark 0 90 arc
+ xmark ysize xmark sub xmark 90 180 arc
+ xmark xmark xmark 180 270 arc
+ closepath
+} def
+
+% path for @ShadowBox symbol
+/LoutShadowBox
+{ xmark 2 mul 0 moveto xsize 0 lineto
+ xsize ysize xmark 2 mul sub lineto
+ xsize xmark sub ysize xmark 2 mul sub lineto
+ xsize xmark sub xmark lineto
+ xmark 2 mul xmark lineto
+ closepath
+} def
+
+% set up dictionary containing margin note data: parity LoutMargSet -
+/LoutMargSet
+{ /LoutMargDict 12 dict def
+ LoutMargDict begin
+ /parity exch def
+ /matr matrix currentmatrix def
+ /rightx xsize def
+ /lefty ysize def % highest allowable point for top of next left note
+ /righty ysize def % highest allowable point for top of next right note
+ /max { 2 copy gt { pop } { exch pop } ifelse } def
+ /min { 2 copy lt { pop } { exch pop } ifelse } def
+ end
+} def
+
+%translate coordinate system for marginal notes: type LoutMargShift -
+% where type 0 is left margin, 1 is right margin, 2 is outer, 3 is inner
+/LoutMargShift
+{ LoutMargDict begin
+
+ % y coordinate of top of note, in margin coords, before vertical adjust
+ 0 ysize transform matr itransform exch pop
+
+ % decide whether left or right margin based on type and parity
+ exch [ 0 1 parity 1 parity sub ] exch get 0 eq
+ {
+ % left margin: adjust top of note downwards if overlaps previous note
+ lefty min
+
+ % bottom of note is new lefty position and also translate position
+ ysize sub dup /lefty exch def
+
+ % want right edge of note at coordinate zero
+ xsize neg exch
+ }
+ {
+ % right margin: adjust top of note downwards if overlaps previous note
+ righty min
+
+ % bottom of note is new righty position and also translate position
+ ysize sub dup /righty exch def
+
+ % want left edge of note at coordinate rightx
+ rightx exch
+ } ifelse
+
+ % stack now contains coord of bottom left corner in margin coordinates
+ matr setmatrix translate
+ end
+} def
+
+% create LoutPageDict with left, right, foot, top for @Place symbol users
+/LoutPageSet
+{
+ /LoutPageDict 5 dict def
+ LoutPageDict begin
+ /matr matrix currentmatrix def
+ /left 0 def
+ /right xsize def
+ /foot 0 def
+ /top ysize def
+ end
+
+} def
+
+%%EndResource
+
+%%EndProlog
+
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diff --git a/doc/user/README b/doc/user/README
index 0fc5704..0cf3731 100644
--- a/doc/user/README
+++ b/doc/user/README
@@ -34,4 +34,4 @@ A copy of the final PostScript output file (A4 paper size) is
stored at "ftp://ftp.cs.su.oz.au/jeff/lout/lout-3.19.user.ps.gz".
Jeffrey H. Kingston
-9 March 2000
+8 April 2000
diff --git a/doc/user/all b/doc/user/all
index a4bb049..64eaf96 100644
--- a/doc/user/all
+++ b/doc/user/all
@@ -7,6 +7,7 @@
@SysInclude { diag }
@SysInclude { cprint }
@SysInclude { eiffel }
+@SysInclude { perl }
@SysInclude { book }
# @Include { letterbook } # for testing Letter size formatting
@@ -20,8 +21,8 @@ Lout
Document Formatting System
}
@Author { Jeffrey H. Kingston }
- @Edition { Version 3.19
-March, 2000 }
+ @Edition { Version 3.20
+April, 2000 }
@Publisher {
Copyright @CopyRight 1991, 2000 Jeffrey H. Kingston,
Basser Department of Computer Science,
@@ -42,7 +43,7 @@ The University of Sydney 2006, Australia. ISBN 0 86758 951 5.
@Include { bgr }
@Include { dia }
@Include { gra }
-@Include { cpp }
+@Include { prg }
@Include { pascal }
@Include { ap_qck }
@Include { ap_byp }
diff --git a/doc/user/cpp_chan b/doc/user/cpp_chan
deleted file mode 100644
index bee0493..0000000
--- a/doc/user/cpp_chan
+++ /dev/null
@@ -1,91 +0,0 @@
-@Section
- @Title { Changing the appearance of all programs simultaneously }
- @Tag { cpsetup }
-@Begin
-@PP
-We have just seen that the {@Code "@CP"}, {@Code "@Eiffel"} etc. symbols
-have many options for changing the appearance of the program text. However,
-most people would not want to have a different style for every program text
-in their document; they want to define the style once at the start, and have
-all their program texts come out in that style without laboriously setting
-options on every symbol. You do this by copying the setup file and
-changing it.
-@PP
-For general information about how to make your own setup file, consult
-Section {@NumberOf setup}. The options that determine the default
-values are in the @Code "@Use" clause which occupies most of the setup
-file. Here is the @Code "@Use" clause from {@Code cprint}:
-cprint. @Index @Code "@CPSetup"
-@ID @Code @Tbl
- mv { 0.5vx }
- aformat { @Cell A | @Cell B | @Cell C }
- bformat { @Cell { " #" A } | @Cell { "{" B } | @Cell "}" }
-{
-@Rowa A { "@Use { @CPSetup" }
-@Rowb A { "pipe" } B { }
-@Rowb A { "style" } B { fixed }
-
-@Rowa
-@Rowb A { "fixedfont" } B { Courier }
-@Rowb A { "fixedstrings" } B { Base }
-@Rowb A { "fixedidentifiers" } B { Base }
-@Rowb A { "fixedcomments" } B { Base }
-@Rowb A { "fixedkeywords" } B { Base }
-@Rowb A { "fixednumbers" } B { Base }
-@Rowb A { "fixedoperators" } B { Base }
-@Rowb A { "fixedsize" } B { -1.0p }
-@Rowb A { "fixedline" } B { 1.0vx }
-@Rowb A { "fixedtabin" } B { 8 }
-@Rowb A { "fixedtabout" } B { 8s }
-
-@Rowa
-@Rowb A { "varyingfont" } B { }
-@Rowb A { "varyingstrings" } B { Slope }
-@Rowb A { "varyingidentifiers" } B { Slope }
-@Rowb A { "varyingcomments" } B { Base }
-@Rowb A { "varyingkeywords" } B { Bold }
-@Rowb A { "varyingnumbers" } B { Base }
-@Rowb A { "varyingoperators" } B { Base }
-@Rowb A { "varyingsize" } B { 1.0f }
-@Rowb A { "varyingline" } B { 1.0vx }
-@Rowb A { "varyingtabin" } B { 8 }
-@Rowb A { "varyingtabout" } B { 3f }
-
-@Rowa
-@Rowb A { "symbolfont" } B { }
-@Rowb A { "symbolstrings" } B { Slope }
-@Rowb A { "symbolidentifiers" } B { Slope }
-@Rowb A { "symbolcomments" } B { Base }
-@Rowb A { "symbolkeywords" } B { Bold }
-@Rowb A { "symbolnumbers" } B { Base }
-@Rowb A { "symboloperators" } B { Base }
-@Rowb A { "symbolsize" } B { 1.0f }
-@Rowb A { "symbolline" } B { 1.0vx }
-@Rowb A { "symboltabin" } B { 8 }
-@Rowb A { "symboltabout" } B { 3f }
-
-@Rowa A { "}" }
-}
-This shows the default font families, font faces, font sizes, line
-spacings, and tab settings in force for the three styles, and also that
-the default style is {@Code "fixed"}. Notice that the font family name
-for @Code "fixed" style is {@Code "Courier"}, but for the other styles is
-empty. This causes the @Code "fixed" style to always switch to Courier,
-and the other styles to use the same font family as in the surrounding
-document. The @Code pipe option will be explained in Section {@NumberOf pipes}.
-@PP
-To change a default value, delete the preceding @Code "#" and change the
-part between braces. For example, suppose you are happy with @Code "fixed"
-except that you want bold keywords. Then one line needs to be changed, to
-@ID @Code "fixedkeywords { Bold }"
-Or suppose you like @Code "varying" as it stands, but would like it to be
-the default style rather than {@Code "fixed"}. Again, only one line needs
-to be changed, to {@Code "style { varying }"}.
-@PP
-The setup files for the other languages are identical to this one, except
-that the symbol after @Code "@Use" is different, and some of the
-default values may be different. Changing an option affects only the
-language of that setup file; if you have multiple languages you can
-have multiple setup files and change their options quite independently
-of each other.
-@End @Section
diff --git a/doc/user/preface b/doc/user/preface
index 3634a89..2f258eb 100644
--- a/doc/user/preface
+++ b/doc/user/preface
@@ -18,7 +18,7 @@ gnu. @Index { GNU Public License }
primary source is directory
@ID @Code "ftp://ftp.cs.usyd.edu.au/jeff/lout"
in which may be found a gzipped tar file containing the main distribution
-(currently {@Code "lout-3.19.tar.gz"}), and various other things including
+(currently {@Code "lout-3.20.tar.gz"}), and various other things including
a PostScript version of this guide. The distribution contains source code,
libraries, documentation, license, and installation instructions.
@PP
diff --git a/doc/user/cpp b/doc/user/prg
index 0e7748a..ec473aa 100644
--- a/doc/user/cpp
+++ b/doc/user/prg
@@ -30,6 +30,8 @@ At the time of writing, the available programming languages are:
eiffel. @Index { Eiffel program printing }
c. @Index { C and C++ program printing }
blue. @Index { Blue program printing }
+perl. @Index { Perl program printing }
+pod. @Index { Pod (for Perl) printing }
@CD @Tbl
mv { 0.5vx }
af { Italic }
@@ -61,26 +63,41 @@ blue. @Index { Blue program printing }
C { "@Blue" }
D { varying }
E { Yes }
+@Rowb
+ A { Perl }
+ B { perl }
+ C { "@Perl" }
+ D { fixed }
+ E { No }
+@Rowb
+ A { Pod }
+ B { pod }
+ C { "@Pod" }
+ D { varying }
+ E { No }
}
C and C++ are handled together since, for formatting purposes, they
differ only in that C++ has some additional keywords plus an extra
way to make comments. Whenever we mention C from now on, we mean
-both C and C++. The second to fifth columns of this table will be
+both C and C++. See Section {@NumberOf prg_perl} for more on Perl
+and its handmaiden Pod. The second to fifth columns of this table will be
explained at various points later in this chapter.
@PP
The list of languages is likely to expand, because the @Code "prg2lout"
-program has been designed to make it easy to add new languages. Consult
-the instructions at the top of the source file of that program if you
-want to try it yourself.
+program has been designed to make it relatively easy to add new languages
+(you don't have to write executable code, just declare a lot of records
+describing your language). Consult the instructions at the top of the
+source file of that program ({@I prg2lout.c}) if you want to try it yourself.
@BeginSections
-@Include { cpp_lone }
-@Include { cpp_embe }
-@Include { cpp_opti }
-@Include { cpp_chan }
-@Include { cpp_tabs }
-@Include { cpp_comm }
-@Include { cpp_prog }
-@Include { cpp_pipe }
-@Include { cpp_erro }
+@Include { prg_lone }
+@Include { prg_embe }
+@Include { prg_opti }
+@Include { prg_chan }
+@Include { prg_tabs }
+@Include { prg_comm }
+@Include { prg_prog }
+@Include { prg_pipe }
+@Include { prg_erro }
+@Include { prg_perl }
@EndSections
@End @Chapter
diff --git a/doc/user/prg_chan b/doc/user/prg_chan
new file mode 100644
index 0000000..6273b7d
--- /dev/null
+++ b/doc/user/prg_chan
@@ -0,0 +1,108 @@
+@Section
+ @Title { Changing the appearance of all programs simultaneously }
+ @Tag { cpsetup }
+@Begin
+@PP
+We have just seen that the {@Code "@CP"}, {@Code "@Eiffel"} etc. symbols
+have many options for changing the appearance of the program text. However,
+most people would not want to have a different style for every program text
+in their document; they want to define the style once at the start, and have
+all their program texts come out in that style without laboriously setting
+options on every symbol. You do this by copying the setup file and
+changing it.
+@PP
+For general information about how to make your own setup file, consult
+Section {@NumberOf setup}. The options that determine the default
+values are in the @Code "@Use" clause which occupies most of the setup
+file. Here is part of the @Code "@Use" clause from {@Code cprint}:
+cprint. @Index @Code "@CPSetup"
+@ID @Code @Tbl
+ mv { 0.5vx }
+ aformat { @Cell A | @Cell B | @Cell C }
+ bformat { @Cell { " #" A } | @Cell { "{" B } | @Cell "}" }
+{
+@Rowa A { "@Use { @CPSetup" }
+@Rowb A { "pipe" } B { }
+@Rowb A { "style" } B { fixed }
+
+@Rowa
+@Rowb A { "fixedfont" } B { Courier }
+@Rowb A { "fixedsize" } B { -1.0p }
+@Rowb A { "fixedline" } B { 1.0vx }
+@Rowb A { "fixedtabin" } B { 8 }
+@Rowb A { "fixedtabout" } B { 8s }
+
+@Rowa
+@Rowb A { "fixedidentifiers" } B { Base }
+@Rowb A { "fixedkeywords" } B { Base }
+@Rowb A { "fixedoperators" } B { Base }
+@Rowb A { "fixednumbers" } B { Base }
+@Rowb A { "fixedstrings" } B { Base }
+@Rowb A { "fixedcomments" } B { Base }
+
+@Rowa
+@Rowb A { "fixedidentifiersformat" } B { "@Body" }
+@Rowb A { "fixedkeywordsformat" } B { "@Body" }
+@Rowb A { "fixedoperatorsformat" } B { "@Body" }
+@Rowb A { "fixednumbersformat" } B { "@Body" }
+@Rowb A { "fixedstringsformat" } B { "@Body" }
+@Rowb A { "fixedcommentsformat" } B { "@Body" }
+
+@Rowa
+@Rowa A { "..." }
+
+@Rowa
+@Rowa A { "}" }
+}
+The @Code pipe option will be explained in Section {@NumberOf pipes}. The
+options whose name begins with @Code "fixed" apply only when
+@Code style is {@Code fixed}; there are corresponding options, not
+shown, which apply when @Code style is {@Code varying} and {@Code symbol}.
+@PP
+We can see in this extract that the default value of @Code style is
+{@Code fixed}. We can also see the default font family, font face, font size,
+line spacing, and tab settings when the style is {@Code "fixed"}. The
+font family name for @Code "fixed" style is {@Code "Courier"}, but for the
+other styles (not shown) it is empty. This causes the @Code "fixed" style
+to always switch to Courier, and the other styles to use the same font
+family as in the surrounding document.
+@PP
+The @Code fixedidentifiersformat option allows you to make a more
+radical change to the format of identifiers than just the font. Within
+this option, @Code "@Body" stands for the identifier being formatted, and
+by applying Lout symbols to it, you apply them to every identifier. For
+example,
+@ID @Code "fixedidentifiersformat { red @Colour @Body }"
+will cause identifiers to be printed red.
+@FootNote {
+@Code "@Colour" is not a Lout primitive like, say, {@Code "@Font"}; it is
+defined when you write @Code "@SysInclude { doc }" or the equivalent for
+the other document types. This is true of quite a few generally useful
+symbols, including {@Code "@Box"} and {@Code "@I"}. If you want to use
+these symbols here, you must include your setup file @I after
+@Code "@SysInclude { doc }" or whatever, the reverse of the usual
+arrangement, so that they are defined before Lout reads your setup
+file. This reversal is carried out automatically when formatting
+programs independently of any document, so you can use these symbols
+in a setup file given by a @Code { -S } command line flag.
+} If you do use exotic formats, remember that in some programming languages,
+comments and even strings may occupy more than one line: {@Code "@Box"},
+for example, will give a logical but probably unwanted result when
+formatting a multi-line string.
+@PP
+As always with setup files, to change a default value, delete the preceding
+@Code "#" and change the part between braces. For example, suppose you are
+happy with @Code "fixed" except that you want bold keywords. Then one line
+needs to be changed, to
+@ID @Code "fixedkeywords { Bold }"
+Or suppose you like @Code "varying" as it stands, but would like it to be
+the default style rather than {@Code "fixed"}. Again, only one line needs
+to be changed, to {@Code "style { varying }"}.
+@PP
+The setup files for the other languages are identical to this one, except
+that the symbol after @Code "@Use" is different, and some of the
+default values may be different. Changing an option affects only the
+language of that setup file; if you have multiple languages you can
+have multiple setup files and change their options quite independently
+of each other.
+@End @Section
diff --git a/doc/user/cpp_comm b/doc/user/prg_comm
index 96ac110..a679f4f 100644
--- a/doc/user/cpp_comm
+++ b/doc/user/prg_comm
@@ -16,7 +16,7 @@ formfeed. @Index { formfeed in program texts }
character, control-L, without any comment; whatever the language, a formfeed
in program text is taken to be a request to start a new page.) Or, to
make a heading in an Eiffel program, do this:
-@ID @Code "--@ @Display @Heading { treeprint() }"
+@ID @Code "--@ @Display @Heading { treeprint }"
(Eiffel comments begin with @Code "--" and end at the end of the
line.) Other possible uses for this feature include index entries and
margin notes. Incredible as it may seem, you can even write
diff --git a/doc/user/cpp_embe b/doc/user/prg_embe
index 0cefc84..cfa84d4 100644
--- a/doc/user/cpp_embe
+++ b/doc/user/prg_embe
@@ -66,8 +66,7 @@ equivalent for other languages), so that Lout does not confuse program
braces with Lout braces. In that case the program text must not
contain {@Code "@End"}; and in either case the program text must not
include @Code "@Include" or @Code "@SysInclude" unless you are really
-including a file at that point (which is allowed, and follows the
-rules given for @Code "@Verbatim" in Section {@NumberOf verbatim}).
+including a file at that point (Section {@NumberOf pipes}).
@PP
If your Lout document contains program texts in several languages,
simply add one @Code "@SysInclude" line for each of them and proceed
@@ -77,6 +76,6 @@ a viable alternative is
These symbols cause the text between braces to be set verbatim in
a fixed-width font, as explained elsewhere in this guide. This fallback
method will not handle tab and formfeed characters very well. Again,
-use @Code "@Begin" and @Code "@End @Verbatim" instead of braces if
-your program text contains unbalanced braces.
+use @Code "@Verbatim @Begin ... @End @Verbatim" if your program text
+contains unbalanced braces.
@End @Section
diff --git a/doc/user/cpp_erro b/doc/user/prg_erro
index ff89591..7ebbe3e 100644
--- a/doc/user/cpp_erro
+++ b/doc/user/prg_erro
@@ -27,7 +27,7 @@ line number, and column number pointing to the Lout symbol
({@Code "@CP"}, {@Code "@Eiffel"} etc.) whose program text caused the
error message, like this:
@ID @Code @Verbatim {
-lout file "cpp_tabs" (from "cpp" line 80, from "all" line 45):
+lout file "prg_tabs" (from "prg" line 96, from "all" line 46):
56,23: prg2lout 2,1: program text ended within comment
}
This is an actual message produced when formatting this chapter. The
diff --git a/doc/user/cpp_lone b/doc/user/prg_lone
index a377d86..1717998 100644
--- a/doc/user/cpp_lone
+++ b/doc/user/prg_lone
@@ -31,6 +31,11 @@ Select an inter-line spacing size in Lout units. The default is
@Code -v1.1fx meaning 1.1 times the font size measured from baseline
to baseline.
}
+@TI { {@Code -S}{@I file} } {
+Use @I file as the setup file for printing your language. This allows
+you to change all the options mentioned in subsequent sections, rather
+than just the few given here.
+}
@EndList
There are also {@Code -t} and {@Code -T} options for dealing with tab
characters (Section {@NumberOf tabs}).
diff --git a/doc/user/cpp_opti b/doc/user/prg_opti
index 538bda2..9eb1818 100644
--- a/doc/user/cpp_opti
+++ b/doc/user/prg_opti
@@ -1,6 +1,6 @@
@Section
@Title { Changing the appearance of a program }
- @Tag { cpp_opti }
+ @Tag { prg_opti }
@Begin
@PP
The {@Code "@CP"}, {@Code "@Eiffel"} etc. symbols have a number of
@@ -69,37 +69,33 @@ default values:
"@CP [ or @Eiffel, @Blue, etc. ]"
" style { fixed }"
" font { Courier }"
-" strings { Base }"
-" identifiers { Base }"
-" comments { Base }"
-" keywords { Base }"
-" numbers { Base }"
-" operators { Base }"
" size { -1.0p }"
" line { 1.0vx }"
" tabin { 8 }"
" tabout { 8s }"
+" identifiers { Base }"
+" keywords { Base }"
+" operators { Base }"
+" numbers { Base }"
+" strings { Base }"
+" comments { Base }"
"{"
" ..."
"}"
}
We are already familiar with {@Code "style"}. After that comes
-{@Code "font"}, which determines the font family to use, followed
-by six options giving the particular faces within that family in which to
-print strings, identifiers, comments, keywords, numbers, and
-operators. {@Code "Base"} means the basic face; other commonly available
-choices are {@Code "Slope"} and {@Code "Bold"}. These options may all be
-set to different faces if desired. The default values shown are correct
-for @Code "style { fixed }" only; the other styles have other defaults
-(Section {@NumberOf cpsetup}).
-@PP
-The @Code "size" option is the font size to use, and @Code "line" is the
-inter-line spacing. The default values specify that @Code "size" is
-to be one point smaller than in the surrounding document; this was done
-to compensate for Courier's relatively large appearance compared
-to other fonts of the same nominal size. Again, these defaults are
-different for different values of {@Code "style"}.
+{@Code "font"}, which determines the font family to use, {@Code "size"},
+the font size to use, and {@Code "line"}, the inter-line spacing. The
+default value for @Code "size" asks for one point smaller than in the
+surrounding document; this was done to compensate for Courier's relatively
+large appearance compared to other fonts of the same nominal size.
@PP
The @Code "tabin" and @Code "tabout" options are the subject of
-Section {@NumberOf tabs}.
+Section {@NumberOf tabs}. After them come six options giving the
+particular font faces in which to print identifiers, keywords, operators,
+numbers, strings, and comments. {@Code "Base"} means the basic face; other
+commonly available choices are {@Code "Slope"} and {@Code "Bold"}. These
+options may all be set to different faces if desired. The default values
+shown are correct for @Code "style { fixed }" only; the other styles
+have other defaults (Section {@NumberOf cpsetup}).
@End @Section
diff --git a/doc/user/prg_perl b/doc/user/prg_perl
new file mode 100644
index 0000000..4a14860
--- /dev/null
+++ b/doc/user/prg_perl
@@ -0,0 +1,108 @@
+@Section
+ @Title { Notes on Perl and Pod }
+ @Tag { prg_perl }
+@Begin
+@PP
+The Perl programming language
+@FootNote { My thanks to Mark Summerfield for help with Perl and Pod. }
+is quite a difficult one for the @Code { prg2lout } program to deal with,
+and our boast that programs can be included with `absolutely no
+modifications' is not quite true for Perl.
+@PP
+Here is the complete list of problem areas. In most cases their
+effect is to get the formatting wrong over a short region, which is not
+perhaps so disastrous; and it should be easy to modify your Perl program
+without changing its meaning, to work around these problems. After all,
+in Perl there is always more than one way to do it.
+@NumberedList
+
+@LI {
+@I Here-documents such as
+@ID @Verbatim {
+<<"EOF"
+These lines will be read as though
+enclosed in double quotes
+EOF
+}
+will be handled correctly only if the string appearing immediately after
+the @Perl { << } operator (that is, the string used to terminate the
+here-document) is one of @Perl { EOF }, @Perl { EOT }, @Perl { END },
+and the empty string, all optionally enclosed in quotes of any of the
+three kinds. If this condition is not met, then the here-document will
+be treated as Perl program text. If the condition is met, there is still
+another problem: everything after the @Perl { << } symbol on the same
+line will be treated (incorrectly) as a string; the worst consequence
+of this is that stacked here-documents will not be printed properly.
+}
+
+@LI {
+When @Code { prg2lout } is scanning the program text looking for the
+beginning of a lexical unit, it may come upon a @Code "/" character,
+and this @I initial @Code "/" (not subsequent ones in the same lexical
+unit) it finds difficult to interpret, since it may be the beginning
+of a regular expression, to be formatted like a string, or it may be a
+complete lexical unit denoting division. The program chooses the regular
+expression (or equivalently, string) interpretation if the @Code "/"
+character is immediately preceded by @Code { "q" }, @Code { "qq" },
+@Code { "qx" }, @Code { "qw" }, @Code { "qr" }, @Code { "m" },
+@Code { "s" }, @Code { "y" }, or @Code { "tr" }. It also chooses the
+regular expression interpretation if the @Code "/" character appears
+at the start of a line, or if it is
+immediately preceded by zero, one, or two space or tab characters, which
+are themselves immediately preceded by a complete lexical unit which is
+one of @Code { "(" }, @Code { "=" }, @Code { "=~" }, @Code { "!~" },
+@Code { "split" }, @Code { "if" }, @Code { "not" }, @Code { "unless" },
+@Code { "for" }, @Code { "foreach" }, and @Code { "while" }. Otherwise
+it chooses the division interpretation. In the rare cases where this
+rule fails, you can force @Code { prg2lout } to choose the regular expression
+interpretation by placing an @Code { m } in front of the initial @Code "/"
+(this does not change the meaning of the program), and you can force the
+division interpretation by placing at least three spaces before the
+@Code "/" character.
+}
+
+@LI {
+The @Code { prg2lout } program recognises complete substitution operators,
+such as @Code "s/abc/ABC/" and {@Code "s{abc}{ABC}"}, as individual lexical
+units, and it formats them as it does strings. However, its rule for
+deciding where these units end is rather simple-minded: at the start,
+it works out what character finishes the unit (in the examples above,
+@Code "/" and @Code "}" respectively), and scans along until it reaches
+the second occurrence of this character not preceded by the @Code "\\"
+escape character. This is inadequate in two respects. Firstly,
+@ID @Code "s{{}}{}"
+is a complete legal substitution expression in Perl, but @Code { prg2lout }
+will think it ends after the second {@Code "}"}, and so format the rest
+of it wrongly. Secondly, and more seriously,
+@ID @Code "s{abc}<ABC>"
+is also allowed in Perl, but @Code { prg2lout } does not understand that
+the finishing character can change in this way, so in this example it will
+keep scanning forever, looking for the second @Code "}" character, which is
+disastrous.
+}
+
+@EndList
+Further work may eliminate some of these problems.
+@PP
+The Pod language is used by Perl programmers for creating documentation,
+and may be found within Perl programs or standing alone. Lout supports
+both arrangements without any special action by the user. At the
+beginning of the @Code perl setup line, the following line has been placed:
+@ID @Code "@SysInclude { pod }"
+Thus, asking for Perl always gives you Pod as well. If you are using
+your own setup files for both languages, it is probably better to
+break this connection by deleting this line from your copy of the
+@Code perl setup file and placing
+@ID @Code {
+"@Include { mypod }"
+"@Include { myperl }"
+}
+at the start of your document in the usual way.
+@PP
+Because Pod is a documentation language rather than a programming
+language, the setup file options listed in Section {@NumberOf cpsetup}
+do not really apply. So for Pod only these have been discarded and replaced
+by a completely different set of options, controlling such things as
+the size of headings and the gaps between list items, which you can
+find documented in the @Code { pod } setup file.
+@End @Section
diff --git a/doc/user/cpp_pipe b/doc/user/prg_pipe
index afbb87e..afbb87e 100644
--- a/doc/user/cpp_pipe
+++ b/doc/user/prg_pipe
diff --git a/doc/user/cpp_prog b/doc/user/prg_prog
index a049e3d..8d343f6 100644
--- a/doc/user/cpp_prog
+++ b/doc/user/prg_prog
@@ -7,7 +7,7 @@ The standard reference for the Eiffel language @Cite { $meyer1992eiffel }
specifies that identifiers within comments may or should be enclosed
in ` and ' so that they may be noticed and printed in an italic
font:
-@ID lines @Break @F @Verbatim {
+@ID @Code @Verbatim {
@ID @Eiffel {
deposit(amount: REAL) is
-- deposit `amount' dollars
diff --git a/doc/user/cpp_tabs b/doc/user/prg_tabs
index 3a04bfa..3a04bfa 100644
--- a/doc/user/cpp_tabs
+++ b/doc/user/prg_tabs
diff --git a/doc/user/user.ps b/doc/user/user.ps
new file mode 100644
index 0000000..203f7e3
--- /dev/null
+++ b/doc/user/user.ps
@@ -0,0 +1,5202 @@
+%!PS-Adobe-3.0
+%%Creator: Basser Lout Version 3.19 (March 2000)
+%%CreationDate: Mon Apr 3 16:16:36 2000
+%%DocumentData: Binary
+%%DocumentNeededResources: (atend)
+%%DocumentSuppliedResources: (atend)
+%%DocumentMedia: A4 595 842 0 white ()
+%%PageOrder: Ascend
+%%Pages: (atend)
+%%BoundingBox: 0 0 595 842
+%%EndComments
+
+%%BeginProlog
+%%BeginResource: procset LoutStartUp
+/m { 3 1 roll moveto show } bind def
+/mo { 3 1 roll moveto true charpath stroke } bind def
+/s { exch currentpoint exch pop moveto show } bind def
+/so { exch currentpoint exch pop moveto true charpath stroke } bind def
+/k { exch neg 0 rmoveto show } bind def
+/ko { exch neg 0 rmoveto true charpath stroke } bind def
+/ul { gsave setlinewidth dup 3 1 roll
+ moveto lineto stroke grestore } bind def
+/in { 1440 mul } def
+/cm { 567 mul } def
+/pt { 20 mul } def
+/em { 120 mul } def
+/sp { louts mul } def
+/vs { loutv mul } def
+/ft { loutf mul } def
+/dg { } def
+
+/LoutGraphic {
+ /louts exch def
+ /loutv exch def
+ /loutf exch def
+ /ymark exch def
+ /xmark exch def
+ /ysize exch def
+ /xsize exch def
+} def
+
+/LoutGr2 { gsave translate LoutGraphic gsave } def
+
+/LoutFont
+{ findfont exch scalefont setfont
+} bind def
+
+/LoutRecode {
+ { findfont dup length dict begin
+ {1 index /FID ne {def} {pop pop} ifelse} forall
+ /Encoding exch def
+ currentdict end definefont pop
+ }
+ stopped pop
+} bind def
+
+/BeginEPSF {
+ /LoutEPSFState save def
+ /dict_count countdictstack def
+ /op_count count 1 sub def
+ userdict begin
+ /showpage { } def
+ 0 setgray 0 setlinecap
+ 1 setlinewidth 0 setlinejoin
+ 10 setmiterlimit [] 0 setdash newpath
+ /languagelevel where
+ { pop languagelevel
+ 1 ne
+ { false setstrokeadjust false setoverprint
+ } if
+ } if
+} bind def
+
+/EndEPSF {
+ count op_count sub { pop } repeat
+ countdictstack dict_count sub { end } repeat
+ LoutEPSFState restore
+} bind def
+%%EndResource
+
+%%BeginResource: encoding vec2
+/vec2 [
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef /.notdef
+/space /exclam /quotedbl /numbersign /dollar /percent /ampersand /quoteright
+/parenleft /parenright /asterisk /plus /comma /hyphen /period /slash
+/zero /one /two /three /four /five /six /seven
+/eight /nine /colon /semicolon /less /equal /greater /question
+/at /A /B /C /D /E /F /G
+/H /I /J /K /L /M /N /O
+/P /Q /R /S /T /U /V /W
+/X /Y /Z /bracketleft /backslash /bracketright /asciicircum /underscore
+/quoteleft /a /b /c /d /e /f /g
+/h /i /j /k /l /m /n /o
+/p /q /r /s /t /u /v /w
+/x /y /z /braceleft /bar /braceright /asciitilde /.notdef
+/quotesinglbase /quotedblbase /ellipsis /OE /oe /quotedblleft /quotedblright /fi
+/fl /endash /emdash /bullet /dagger /daggerdbl /florin /fraction
+/dotlessi /grave /acute /circumflex /tilde /macron /breve /dotaccent
+/dieresis /.notdef /ring /cedilla /.notdef /hungarumlaut /ogonek /caron
+/space /exclamdown /cent /sterling /currency /yen /brokenbar /section
+/dieresis /copyright /ordfeminine /guillemotleft /logicalnot /hyphen /registered /macron
+/degree /plusminus /twosuperior /threesuperior /acute /mu /paragraph /periodcentered
+/cedilla /onesuperior /ordmasculine /guillemotright /onequarter /onehalf /threequarters /questiondown
+/Agrave /Aacute /Acircumflex /Atilde /Adieresis /Aring /AE /Ccedilla
+/Egrave /Eacute /Ecircumflex /Edieresis /Igrave /Iacute /Icircumflex /Idieresis
+/Eth /Ntilde /Ograve /Oacute /Ocircumflex /Otilde /Odieresis /multiply
+/Oslash /Ugrave /Uacute /Ucircumflex /Udieresis /Yacute /Thorn /germandbls
+/agrave /aacute /acircumflex /atilde /adieresis /aring /ae /ccedilla
+/egrave /eacute /ecircumflex /edieresis /igrave /iacute /icircumflex /idieresis
+/eth /ntilde /ograve /oacute /ocircumflex /otilde /odieresis /divide
+/oslash /ugrave /uacute /ucircumflex /udieresis /yacute /thorn /ydieresis
+] def
+%%EndResource
+
+%%BeginResource: procset LoutTabPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/tabf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Tab %
+% %
+% To assist in avoiding name clashes, the names %
+% of all these symbols begin with "ltab". %
+% %
+% Jeffrey H. Kingston %
+% 24 September 1991 %
+% 22 December 1992 %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% linewidth ltabhs -
+% horizontal single line
+/ltabhs
+{ 0 0 moveto xsize 0 lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhsp -
+% horizontal single line with projecting ends
+/ltabhsp
+{ 0 0 moveto xsize 0 lineto
+ setlinewidth 2 setlinecap stroke
+} def
+
+% linewidth ltabhd -
+% horizontal double line
+/ltabhd
+{ dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch 3 mul moveto xsize exch 3 mul lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhdb -
+% horizontal double line below mark
+/ltabhdb
+{ dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch -3 mul moveto xsize exch -3 mul lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabhdnw -
+% horizontal double line with northwest corner
+/ltabhdnw
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ xsize exch 3 mul moveto
+ -3 mul exch 3 mul lineto
+ -3 mul 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdne -
+% horizontal double line with northeast corner
+/ltabhdne
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch 3 mul moveto
+ 3 mul xsize add exch 3 mul lineto
+ 3 mul xsize add 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdsw -
+% horizontal double line with southwest corner
+/ltabhdsw
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ xsize exch -3 mul moveto
+ -3 mul exch -3 mul lineto
+ -3 mul 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabhdse -
+% horizontal double line with southeast corner
+/ltabhdse
+{ dup dup dup dup
+ 0 0 moveto xsize 0 lineto
+ 0 exch -3 mul moveto
+ 3 mul xsize add exch -3 mul lineto
+ 3 mul xsize add 0 lineto
+ setlinewidth 0 setlinejoin 2 setlinecap stroke
+} def
+
+% linewidth ltabvs -
+% vertical single line
+/ltabvs
+{ 0 0 moveto 0 ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabvd -
+% vertical double line
+/ltabvd
+{ dup dup
+ 0 0 moveto 0 ysize lineto
+ -3 mul 0 moveto -3 mul ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+
+% linewidth ltabvdr -
+% vertical double line to right of mark
+/ltabvdr
+{ dup dup
+ 0 0 moveto 0 ysize lineto
+ 3 mul 0 moveto 3 mul ysize lineto
+ setlinewidth 0 setlinecap stroke
+} def
+%%EndResource
+
+%%BeginResource: procset LoutTblPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/tblf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Tbl Jeffrey H. Kingston %
+% Version 1.0 June 1998 %
+% %
+% To assist in avoiding name clashes, the names of all symbols %
+% defined here begin with "ltbl". %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+% painting (i.e. filling): - ltblwhite - (etc.)
+/ltblnopaint { } def
+/ltblnochange { fill } def
+/ltbldarkblue { 0.0 0.0 0.5 setrgbcolor fill } def
+/ltblblue { 0.0 0.0 1.0 setrgbcolor fill } def
+/ltbllightblue { 0.5 0.5 1.0 setrgbcolor fill } def
+/ltbldarkgreen { 0.0 0.5 0.0 setrgbcolor fill } def
+/ltblgreen { 0.0 1.0 0.0 setrgbcolor fill } def
+/ltbllightgreen { 0.5 1.0 0.5 setrgbcolor fill } def
+/ltbldarkred { 0.5 0.0 0.0 setrgbcolor fill } def
+/ltblred { 1.0 0.0 0.0 setrgbcolor fill } def
+/ltbllightred { 1.0 0.5 0.5 setrgbcolor fill } def
+/ltbldarkcyan { 0.0 0.5 0.5 setrgbcolor fill } def
+/ltblcyan { 0.0 1.0 1.0 setrgbcolor fill } def
+/ltbllightcyan { 0.5 1.0 1.0 setrgbcolor fill } def
+/ltbldarkmagenta { 0.5 0.0 0.5 setrgbcolor fill } def
+/ltblmagenta { 1.0 0.0 1.0 setrgbcolor fill } def
+/ltbllightmagenta { 1.0 0.5 1.0 setrgbcolor fill } def
+/ltbldarkyellow { 0.5 0.5 0.0 setrgbcolor fill } def
+/ltblyellow { 1.0 1.0 0.0 setrgbcolor fill } def
+/ltbllightyellow { 1.0 1.0 0.5 setrgbcolor fill } def
+/ltbldarkgray { 0.2 0.2 0.2 setrgbcolor fill } def
+/ltblgray { 0.5 0.5 0.5 setrgbcolor fill } def
+/ltbllightgray { 0.8 0.8 0.8 setrgbcolor fill } def
+/ltbldarkgrey { 0.2 0.2 0.2 setrgbcolor fill } def
+/ltblgrey { 0.5 0.5 0.5 setrgbcolor fill } def
+/ltbllightgrey { 0.8 0.8 0.8 setrgbcolor fill } def
+/ltblblack { 0.0 0.0 0.0 setrgbcolor fill } def
+/ltblwhite { 1.0 1.0 1.0 setrgbcolor fill } def
+%%EndResource
+
+%%BeginResource: procset LoutFigPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/figf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Fig Jeffrey H. Kingston %
+% Version 2.0 (includes CIRCUM label) January 1992 %
+% %
+% To assist in avoiding name clashes, the names of all symbols %
+% defined here begin with "lfig". However, this is not feasible %
+% with user-defined labels and some labels used by users. %
+% %
+% <point> is two numbers, a point. %
+% <length> is one number, a length %
+% <angle> is one number, an angle in degrees %
+% <dashlength> is one number, the preferred length of a dash %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+errordict begin
+ /handleerror
+ {
+ { /Times-Roman findfont 8 pt scalefont setfont
+ 0 setgray 4 pt 4 pt moveto
+ $error /errorname get
+ dup lfigdict exch known
+ { lfigdict exch get }
+ { 30 string cvs } ifelse
+ show
+ ( Command: ) show
+ $error /command get 30 string cvs show
+ } stopped {} if
+ showpage stop
+ } def
+end
+
+% concat strings: <string> <string> lfigconcat <string>
+% must be defined outside lfigdict since used in lfigpromotelabels
+/lfigconcat
+{ 2 copy length exch length add string
+ dup 0 4 index putinterval
+ dup 3 index length 3 index putinterval
+ 3 1 roll pop pop
+} def
+
+% <string> lfigdebugprint -
+% must be defined outside lfigdict since used in arbitrary places
+% /lfigdebugprint
+% { print
+% (; operand stack:\n) print
+% count copy
+% count 2 idiv
+% { ==
+% (\n) print
+% } repeat
+% (\n) print
+% } def
+
+/lfigdict 120 dict def
+lfigdict begin
+
+% error messages
+/dictfull (dictfull error: too many labels?) def
+/dictstackoverflow (dictstackoverflow error: labels nested too deeply?) def
+/execstackoverflow (execstackoverflow error: figure nested too deeply?) def
+/limitcheck (limitcheck error: figure nested too deeply or too large?) def
+/syntaxerror (syntaxerror error: syntax error in text of figure?) def
+/typecheck (typecheck error: syntax error in text of figure?) def
+/undefined (undefined error: unknown or misspelt label?) def
+/VMError (VMError error: run out of memory?) def
+
+% push pi onto stack: - lfigpi <num>
+/lfigpi 3.14159 def
+
+% arc directions
+/clockwise false def
+/anticlockwise true def
+
+% maximum of two numbers: <num> <num> lfigmax <num>
+/lfigmax { 2 copy gt { pop } { exch pop } ifelse } def
+
+% minimum of two numbers: <num> <num> lfigmin <num>
+/lfigmin { 2 copy lt { pop } { exch pop } ifelse } def
+
+% add two points: <point> <point> lfigpadd <point>
+/lfigpadd { exch 3 1 roll add 3 1 roll add exch } def
+
+% subtract first point from second: <point> <point> lfigpsub <point>
+/lfigpsub { 3 2 roll sub 3 1 roll exch sub exch } def
+
+% max two points: <point> <point> lfigpmax <point>
+/lfigpmax { exch 3 1 roll lfigmax 3 1 roll lfigmax exch } def
+
+% min two points: <point> <point> lfigpmin <point>
+/lfigpmin { exch 3 1 roll lfigmin 3 1 roll lfigmin exch } def
+
+% scalar multiplication: <point> <num> lfigpmul <point>
+/lfigpmul { dup 3 1 roll mul 3 1 roll mul exch } def
+
+% point at angle and distance: <point> <length> <angle> lfigatangle <point>
+/lfigatangle { 2 copy cos mul 3 1 roll sin mul lfigpadd } def
+
+% angle from one point to another: <point> <point> lfigangle <angle>
+/lfigangle { lfigpsub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def
+
+% distance between two points: <point> <point> lfigdistance <length>
+/lfigdistance { lfigpsub dup mul exch dup mul add sqrt } def
+
+% difference in x coords: <point> <point> lfigxdistance <length>
+/lfigxdistance { pop 3 1 roll pop sub } def
+
+%difference in y coords: <point> <point> lfigydistance <length>
+/lfigydistance { 3 1 roll pop sub exch pop } def
+
+% stroke a solid line: <length> <dashlength> lfigsolid -
+/lfigsolid
+{ pop pop [] 0 setdash stroke
+} def
+
+% stroke a lfigdashed line: <length> <dashlength> lfigdashed -
+/lfigdashed
+{ 2 copy div 2 le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch dup ] 0 setdash }
+ { dup [ exch 4 2 roll 2 copy div
+ 1 sub 2 div ceiling dup 4 1 roll
+ 1 add mul sub exch div ] 0 setdash
+ } ifelse stroke
+} def
+
+% stroke a lfigcdashed line: <length> <dashlength> lfigcdashed -
+/lfigcdashed
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch dup ] dup 0 get 2 div setdash }
+ { dup [ 4 2 roll exch 2 copy exch div
+ 2 div ceiling div 1 index sub
+ ] exch 2 div setdash
+ } ifelse stroke
+} def
+
+% stroke a dotted line: <length> <dashlength> lfigdotted -
+/lfigdotted
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt lfigmax [ exch 0 exch ] 0 setdash }
+ { 1 index exch div ceiling div
+ [ 0 3 2 roll ] 0 setdash
+ } ifelse stroke
+} def
+
+% stroke a noline line: <length> <dashlength> lfignoline -
+/lfignoline
+{ pop pop
+} def
+
+% painting (i.e. filling): - lfigwhite - (etc.)
+/lfignopaint { } def
+/lfignochange { fill } def
+/lfigdarkblue { 0.0 0.0 0.5 setrgbcolor fill } def
+/lfigblue { 0.0 0.0 1.0 setrgbcolor fill } def
+/lfiglightblue { 0.5 0.5 1.0 setrgbcolor fill } def
+/lfigdarkgreen { 0.0 0.5 0.0 setrgbcolor fill } def
+/lfiggreen { 0.0 1.0 0.0 setrgbcolor fill } def
+/lfiglightgreen { 0.5 1.0 0.5 setrgbcolor fill } def
+/lfigdarkred { 0.5 0.0 0.0 setrgbcolor fill } def
+/lfigred { 1.0 0.0 0.0 setrgbcolor fill } def
+/lfiglightred { 1.0 0.5 0.5 setrgbcolor fill } def
+/lfigdarkcyan { 0.0 0.5 0.5 setrgbcolor fill } def
+/lfigcyan { 0.0 1.0 1.0 setrgbcolor fill } def
+/lfiglightcyan { 0.5 1.0 1.0 setrgbcolor fill } def
+/lfigdarkmagenta { 0.5 0.0 0.5 setrgbcolor fill } def
+/lfigmagenta { 1.0 0.0 1.0 setrgbcolor fill } def
+/lfiglightmagenta { 1.0 0.5 1.0 setrgbcolor fill } def
+/lfigdarkyellow { 0.5 0.5 0.0 setrgbcolor fill } def
+/lfigyellow { 1.0 1.0 0.0 setrgbcolor fill } def
+/lfiglightyellow { 1.0 1.0 0.5 setrgbcolor fill } def
+/lfigdarkgray { 0.2 0.2 0.2 setrgbcolor fill } def
+/lfiggray { 0.5 0.5 0.5 setrgbcolor fill } def
+/lfiglightgray { 0.8 0.8 0.8 setrgbcolor fill } def
+/lfigdarkgrey { 0.2 0.2 0.2 setrgbcolor fill } def
+/lfiggrey { 0.5 0.5 0.5 setrgbcolor fill } def
+/lfiglightgrey { 0.8 0.8 0.8 setrgbcolor fill } def
+/lfigblack { 0.0 0.0 0.0 setrgbcolor fill } def
+/lfigwhite { 1.0 1.0 1.0 setrgbcolor fill } def
+
+% line caps (and joins, not currently used)
+/lfigbutt 0 def
+/lfiground 1 def
+/lfigprojecting 2 def
+/lfigmiter 0 def
+/lfigbevel 2 def
+
+% shape and labels of the @Box symbol
+/lfigbox
+{
+ 0 0 /SW lfigpointdef
+ xsize 0 /SE lfigpointdef
+ xsize ysize /NE lfigpointdef
+ 0 ysize /NW lfigpointdef
+ SE 0.5 lfigpmul /S lfigpointdef
+ NW 0.5 lfigpmul /W lfigpointdef
+ W SE lfigpadd /E lfigpointdef
+ S NW lfigpadd /N lfigpointdef
+ NE 0.5 lfigpmul /CTR lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @CurveBox symbol
+/lfigcurvebox
+{
+
+ xsize 0.5 mul ysize 0.5 mul /CTR lfigpointdef
+ xsize 0.5 mul 0 /S lfigpointdef
+ xsize ysize 0.5 mul /E lfigpointdef
+ xsize 0.5 mul ysize /N lfigpointdef
+ 0 ysize 0.5 mul /W lfigpointdef
+
+ xmark 0.293 mul xmark 0.293 mul /SW lfigpointdef
+ xsize xmark 0.293 mul sub xmark 0.293 mul /SE lfigpointdef
+ xsize xmark 0.293 mul sub ysize xmark 0.293 mul sub /NE lfigpointdef
+ xmark 0.293 mul ysize xmark 0.293 mul sub /NW lfigpointdef
+
+ [ xsize ysize 0.5 lfigpmul xmark /lfigcurveboxcircum cvx ] lfigcircumdef
+
+ xmark 0
+ xsize xmark sub 0
+ [ xsize xmark sub xmark ]
+ xsize xmark
+ xsize ysize xmark sub
+ [ xsize xmark sub ysize xmark sub ]
+ xsize xmark sub ysize
+ xmark ysize
+ [ xmark ysize xmark sub ]
+ 0 ysize xmark sub
+ 0 xmark
+ [ xmark xmark ]
+ xmark 0
+} def
+
+% shadow of the @ShadowBox symbol
+% its shape and labels are done, somewhat inaccurately, with lfigbox
+/lfigshadow
+{ xmark 2 mul 0 moveto xsize 0 lineto
+ xsize ysize xmark 2 mul sub lineto
+ xsize xmark sub ysize xmark 2 mul sub lineto
+ xsize xmark sub xmark lineto
+ xmark 2 mul xmark lineto closepath fill
+} def
+
+% shape and labels of the @Square symbol
+/lfigsquare
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize xsize ysize ysize lfigpmax 0.5 lfigpmul lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR NE lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ SW 0.5 lfigpmul SE 0.5 lfigpmul lfigpadd /S lfigpointdef
+ NW 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /N lfigpointdef
+ SW 0.5 lfigpmul NW 0.5 lfigpmul lfigpadd /W lfigpointdef
+ SE 0.5 lfigpmul NE 0.5 lfigpmul lfigpadd /E lfigpointdef
+ [ CTR NE lfigpsub /lfigboxcircum cvx ] lfigcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @Diamond symbol
+/lfigdiamond
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigdiamondcircum cvx ] lfigcircumdef
+ S E N W S
+} def
+
+% shape and labels of the @Ellipse symbol
+/lfigellipse
+{
+ xsize 0 0.5 lfigpmul /S lfigpointdef
+ 0 ysize 0.5 lfigpmul /W lfigpointdef
+ S W lfigpadd /CTR lfigpointdef
+ CTR W lfigpadd /N lfigpointdef
+ CTR S lfigpadd /E lfigpointdef
+ CTR xsize 0 0.3536 lfigpmul lfigpadd 0 ysize 0.3536 lfigpmul lfigpadd /NE lfigpointdef
+ 0 ysize 0.3536 lfigpmul CTR xsize 0 0.3536 lfigpmul lfigpadd lfigpsub /SE lfigpointdef
+ xsize 0 0.3536 lfigpmul CTR lfigpsub 0 ysize 0.3536 lfigpmul lfigpadd /NW lfigpointdef
+ 0 ysize 0.3536 lfigpmul xsize 0 0.3536 lfigpmul CTR lfigpsub lfigpsub /SW lfigpointdef
+ [ xsize ysize 0.5 lfigpmul /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @Circle symbol
+/lfigcircle
+{
+ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ CTR xsize 0 ysize 0 lfigpmax 0.5 lfigpmul lfigpadd /E lfigpointdef
+ CTR 0 0 CTR E lfigdistance 45 lfigatangle lfigpadd /NE lfigpointdef
+ CTR 0 0 CTR E lfigdistance 90 lfigatangle lfigpadd /N lfigpointdef
+ CTR 0 0 CTR E lfigdistance 135 lfigatangle lfigpadd /NW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 180 lfigatangle lfigpadd /W lfigpointdef
+ CTR 0 0 CTR E lfigdistance 225 lfigatangle lfigpadd /SW lfigpointdef
+ CTR 0 0 CTR E lfigdistance 270 lfigatangle lfigpadd /S lfigpointdef
+ CTR 0 0 CTR E lfigdistance 315 lfigatangle lfigpadd /SE lfigpointdef
+ [ S E lfigpsub /lfigellipsecircum cvx ] lfigcircumdef
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @HLine and @HArrow symbols
+/lfighline
+{
+ 0 ymark lfigprevious /FROM lfigpointdef
+ xsize ymark lfigprevious /TO lfigpointdef
+} def
+
+% shape and labels of the @VLine and @VArrow symbols
+/lfigvline
+{
+ xmark ysize lfigprevious /FROM lfigpointdef
+ xmark 0 lfigprevious /TO lfigpointdef
+} def
+
+% points of a polygon around base with given no of sides, vert init angle:
+% <sides> <angle> figpolygon <point> ... <point>
+/lfigpolygon
+{ xsize ysize 0.5 lfigpmul /CTR lfigpointdef
+ 90 sub CTR 2 copy lfigmax 5 3 roll
+ [ 4 copy pop /lfigpolycircum cvx ] lfigcircumdef
+ exch dup 360 exch div exch
+ 1 1 3 2 roll
+ { 4 string cvs (P) exch lfigconcat cvn
+ 6 copy pop pop lfigatangle 2 copy 10 2 roll
+ 3 2 roll lfigpointdef
+ dup 3 1 roll add exch
+ } for
+ pop lfigatangle
+} def
+
+% next array element: <array> <index> lfiggetnext <array> <index> <any> true
+% or <array> <index> false
+/lfiggetnext
+{ 2 copy exch length ge
+ { false }
+ { 2 copy get exch 1 add exch true } ifelse
+} def
+
+% check whether thing is number: <any> lfigisnumbertype <any> <bool>
+/lfigisnumbertype
+{ dup type dup
+ /integertype eq exch /realtype eq or
+} def
+
+% check whether thing is an array: <any> lfigisarraytype <any> <bool>
+/lfigisarraytype { dup type /arraytype eq } def
+
+% get next item: <array> <index> lfiggetnextitem <array> <index> 0
+% or <array> <index> <array> 1
+% or <array> <index> <point> 2
+/lfiggetnextitem
+{ lfiggetnext
+ { lfigisarraytype
+ { 1
+ }
+ { lfigisnumbertype
+ { 3 1 roll
+ lfiggetnext
+ { lfigisnumbertype
+ { 4 3 roll exch 2
+ }
+ { pop 3 2 roll pop 0
+ } ifelse
+ }
+ { 3 2 roll pop 0
+ } ifelse
+ }
+ { pop 0
+ } ifelse
+ } ifelse
+ }
+ { 0
+ } ifelse
+} def
+
+% set arc path: bool x1 y1 x2 y2 x0 y0 lfigsetarc <angle> <angle> <dist>
+% the path goes from x1 y1 to x2 y2 about centre x0 y0,
+% anticlockwise if bool is true else clockwise.
+% The orientations of backwards pointing and forwards pointing
+% arrowheads are returned in the two angles, and
+% the length of the arc is returned in <dist>.
+/lfigsetarc
+{
+ 20 dict begin
+ matrix currentmatrix 8 1 roll
+ 2 copy translate 2 copy 8 2 roll
+ 4 2 roll lfigpsub 6 2 roll lfigpsub
+ dup /y1 exch def dup mul /y1s exch def
+ dup /x1 exch def dup mul /x1s exch def
+ dup /y2 exch def dup mul /y2s exch def
+ dup /x2 exch def dup mul /x2s exch def
+
+ y1s y2s eq
+ { -1
+ }
+ { y1s x2s mul y2s x1s mul sub y1s y2s sub div
+ } ifelse
+ /da exch def
+
+ x1s x2s eq
+ { -1
+ }
+ { x1s y2s mul x2s y1s mul sub x1s x2s sub div
+ } ifelse
+ /db exch def
+
+ da 0 gt db 0 gt and
+ { /LMax da sqrt db sqrt lfigmax def
+ /scalex da sqrt LMax div def
+ /scaley db sqrt LMax div def
+ scalex scaley scale
+ 0 0 LMax
+ 0 0 x1 scalex mul y1 scaley mul lfigangle
+ 0 0 x2 scalex mul y2 scaley mul lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 5 2 roll % res1 res2 ang1 ang2 anticlockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul LMax mul 180 div
+ }
+ { 0 0 x1 y1 lfigdistance 0 0 x2 y2 lfigdistance eq
+ 0 0 x1 y1 lfigdistance 0 gt and
+ { 0 0
+ 0 0 x1 y1 lfigdistance
+ 0 0 x1 y1 lfigangle
+ 0 0 x2 y2 lfigangle
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ 5 2 roll % res1 res2 ang1 ang2 clockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if lfigpi mul 0 0 x1 y1 lfigdistance mul 180 div
+ }
+ { x2 y2 lineto pop
+ x2 y2 x1 y1 lfigangle
+ x1 y1 x2 y2 lfigangle
+ x1 y1 x2 y2 lfigdistance
+ } ifelse
+ } ifelse
+ 4 -1 roll setmatrix
+ end
+} def
+
+% lfigsetcurve: set up a Bezier curve from x0 y0 to x3 y3
+% and return arrowhead angles and length of curve (actually 0)
+% x0 y0 x1 y1 x2 y2 x3 y3 lfigsetcurve <angle> <angle> <length>
+/lfigsetcurve
+{ 8 copy curveto pop pop
+ lfigangle
+ 5 1 roll
+ 4 2 roll lfigangle
+ exch
+ 0
+} def
+
+% lfigpaintpath: paint a path of the given shape
+% /paint [ shape ] lfigpaintpath -
+/lfigpaintpath
+{
+ 10 dict begin
+ 0 newpath
+ /prevseen false def
+ /curveseen false def
+ { lfiggetnextitem
+ dup 0 eq { pop exit }
+ { 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /curveseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr
+ lfigsetcurve pop pop pop
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc pop pop pop
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ } ifelse
+ }
+ { xcurr ycurr moveto
+ } ifelse
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop pop pop cvx exec
+ end
+} def
+
+% stroke a path of the given shape in the given linestyle and dash length.
+% Return the origin and angle of the backward and forward arrow heads.
+% dashlength /linestyle [shape] lfigdopath [<point> <angle>] [<point> <angle>]
+/lfigdopath
+{
+ 10 dict begin
+ 0
+ /prevseen false def
+ /curveseen false def
+ /backarrow [] def
+ /fwdarrow [] def
+ {
+ lfiggetnextitem
+ dup 0 eq { pop exit }
+ {
+ 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /prevseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { newpath xprev yprev moveto
+ curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr lfigsetcurve
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ lfigsetarc
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ xcurr ycurr xprev yprev lfigangle dup 180 sub
+ xprev yprev xcurr ycurr lfigdistance
+ } ifelse
+ 6 index 6 index cvx exec
+ [ xprev yprev 5 -1 roll ]
+ backarrow length 0 eq
+ { /backarrow exch def }
+ { pop } ifelse
+ [ xcurr ycurr 4 -1 roll ] /fwdarrow exch def
+ } if
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop
+ pop pop pop pop
+ backarrow length 0 eq { [ 0 0 0 ] } { backarrow } ifelse
+ fwdarrow length 0 eq { [ 0 0 0 ] } { fwdarrow } ifelse
+ end
+} def
+
+% lfigdoarrow: draw an arrow head of given form
+% dashlength /lstyle /pstyle hfrac height width [ <point> <angle> ] lfigdoarrow -
+/lfigdoarrow
+{ matrix currentmatrix 8 1 roll
+ dup 0 get 1 index 1 get translate
+ 2 get rotate
+ [ 2 index neg 2 index 0 0
+ 3 index 3 index neg
+ 1 index 10 index mul 0
+ 7 index 7 index ]
+ 4 1 roll pop pop pop
+ dup 3 1 roll
+ gsave lfigpaintpath grestore lfigdopath pop pop
+ setmatrix
+} def
+
+% arrow head styles
+/lfigopen 0.0 def
+/lfighalfopen 0.5 def
+/lfigclosed 1.0 def
+
+% stroke no arrows, forward, back, and both
+/lfignoarrow { pop pop pop pop pop pop pop pop } def
+/lfigforward { 7 -1 roll lfigdoarrow pop } def
+/lfigback { 8 -2 roll pop lfigdoarrow } def
+/lfigboth { 8 -1 roll 7 copy lfigdoarrow pop 7 -1 roll lfigdoarrow } def
+
+% lfigprevious: return previous point on path
+/lfigprevious
+{ lfigisnumbertype
+ { 2 copy }
+ { lfigisarraytype
+ { 2 index 2 index }
+ { 0 0 }
+ ifelse
+ } ifelse
+} def
+
+% label a point in 2nd top dictionary: <point> /name lfigpointdef -
+/lfigpointdef
+{
+ % (Entering lfigpointdef) lfigdebugprint
+ [ 4 2 roll transform
+ /itransform cvx ] cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigpointdef) lfigdebugprint
+} def
+
+% promote labels from second top to third top dictionary
+% <string> lfigpromotelabels -
+/lfigpromotelabels
+{
+ % (Entering lfigpromotelabels) lfigdebugprint
+ currentdict end exch currentdict end
+ { exch 20 string cvs 2 index
+ (@) lfigconcat exch lfigconcat cvn exch def
+ } forall pop begin
+ % (Leaving lfigpromotelabels) lfigdebugprint
+} def
+
+% show labels (except CIRCUM): - lfigshowlabels -
+/lfigshowlabels
+{
+ % (Entering lfigshowlabels) lfigdebugprint
+ currentdict end
+ currentdict
+ { 1 index 20 string cvs (CIRCUM) search % if CIRCUM in key
+ { pop pop pop pop pop }
+ { pop cvx exec 2 copy
+ newpath 1.5 pt 0 360 arc
+ 0 setgray fill
+ /Times-Roman findfont 8 pt scalefont setfont
+ moveto 0.2 cm 0.1 cm rmoveto 20 string cvs show
+ }
+ ifelse
+ } forall
+ begin
+ % (Leaving lfigshowlabels) lfigdebugprint
+} def
+
+% fix an angle to 0 <= res < 360: <angle> lfigfixangle <angle>
+/lfigfixangle
+{
+ % (Entering lfigfixangle) lfigdebugprint
+ { dup 0 ge { exit } if
+ 360 add
+ } loop
+ { dup 360 lt { exit } if
+ 360 sub
+ } loop
+ % (Leaving lfigfixangle) lfigdebugprint
+} def
+
+% find point on circumference of box: alpha a b lfigboxcircum x y
+/lfigboxcircum
+{
+ % (Entering lfigboxcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ 0 0 a b lfigangle /theta exch def
+
+ % if alpha <= theta, return (a, a*tan(alpha))
+ alpha theta le
+ { a a alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 180 - theta, return (b*cot(alpha), b)
+ alpha 180 theta sub le
+ { b alpha cos mul alpha sin div b }
+ {
+ % else if alpha <= 180 + theta, return (-a, -a*tan(alpha))
+ alpha 180 theta add le
+ { a neg a neg alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 360 - theta, return (-b*cot(alpha), -b)
+ alpha 360 theta sub le
+ { b neg alpha cos mul alpha sin div b neg }
+ {
+ % else 360 - theta <= alpha, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigboxcircum) lfigdebugprint
+} def
+
+% find quadratic roots (assume a != 0): a b c lfigqroots x1 x2 2
+% or x2 1
+% or 0
+/lfigqroots
+{
+ 4 dict begin
+ /c exch def
+ /b exch def
+ /a exch def
+ /disc b b mul 4 a c mul mul sub def
+ disc 0 lt
+ { 0
+ }
+ { disc 0 eq
+ { b neg 2 a mul div
+ 1
+ }
+ { b neg disc sqrt add 2 a mul div
+ b neg disc sqrt sub 2 a mul div
+ 2
+ }
+ ifelse
+ }
+ ifelse
+ end
+} def
+
+% work our which quadrant: <angle> lfigquadrant <0-3>
+/lfigquadrant
+{ dup 90 lt
+ { pop 0
+ }
+ { dup 180 lt
+ { pop 1
+ }
+ { 270 lt
+ { 2
+ }
+ { 3
+ } ifelse
+ } ifelse
+ } ifelse
+} def
+
+% find curvebox circum, assuming upper right quadrant: alpha a b xmk lfigcb x y
+/lfigcb
+{
+ 6 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ /alpha exch def
+ /theta1 0 0 a b xmk sub lfigangle def
+ /theta2 0 0 a xmk sub b lfigangle def
+ alpha theta1 le
+ { % if alpha <= theta1, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ }
+ { alpha theta2 ge
+ { % else if alpha > theta2, return (b*cot(alpha), b)
+ b alpha cos mul alpha sin div b
+ }
+ {
+ % else, return the intersection of line and circle
+ a xmk sub b xmk sub xmk 0 0 alpha lfigcircleintersect
+ dup 0 eq
+ { % should never happen, just return any reasonable point
+ pop
+ a b 0.5 lfigpmul
+ }
+ { 1 eq
+ { % should never happen, just return the point on top of stack
+ }
+ { % the usual case, two points on stack, return the larger
+ lfigpmax
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+} def
+
+% find point on circumference of curvebox: alpha a b xmk lfigcurveboxcircum x y
+/lfigcurveboxcircum
+{
+ % (Entering lfigcurveboxcircum) lfigdebugprint
+ 5 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+
+ % work out which quadrant we are in, and reflect accordingly
+ /quad alpha lfigquadrant def
+ quad 0 eq
+ { alpha a b xmk lfigcb
+ }
+ { quad 1 eq
+ { 180 alpha sub a b xmk lfigcb exch neg exch
+ }
+ { quad 2 eq
+ { alpha 180 sub a b xmk lfigcb neg exch neg exch
+ }
+ { 360 alpha sub a b xmk lfigcb neg
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcurveboxcircum) lfigdebugprint
+} def
+
+% find point on circumference of diamond: alpha a b lfigdiamondcircum x y
+/lfigdiamondcircum
+{
+ % (Entering lfigdiamondcircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos abs mul a alpha sin abs mul add /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigdiamondcircum) lfigdebugprint
+} def
+
+% find point on circumference of ellipse: alpha a b lfigellipsecircum x y
+/lfigellipsecircum
+{
+ % (Entering lfigellipsecircum) lfigdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ lfigfixangle /alpha exch def
+ b alpha cos mul dup mul a alpha sin mul dup mul add sqrt /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving lfigellipsecircum) lfigdebugprint
+} def
+
+% find point of intersection of two lines each defined by two points
+% x1 y1 x2 y2 x3 y3 x4 y4 lfiglineintersect x y
+/lfiglineintersect
+{
+ % (Entering lfiglineintersect) lfigdebugprint
+ 13 dict begin
+ /y4 exch def
+ /x4 exch def
+ /y3 exch def
+ /x3 exch def
+ /y2 exch def
+ /x2 exch def
+ /y1 exch def
+ /x1 exch def
+ x2 x1 sub /x21 exch def
+ x4 x3 sub /x43 exch def
+ y2 y1 sub /y21 exch def
+ y4 y3 sub /y43 exch def
+ y21 x43 mul y43 x21 mul sub /det exch def
+
+ % calculate x
+ y21 x43 mul x1 mul
+ y43 x21 mul x3 mul sub
+ y3 y1 sub x21 mul x43 mul add
+ det div
+
+ % calculate y
+ x21 y43 mul y1 mul
+ x43 y21 mul y3 mul sub
+ x3 x1 sub y21 mul y43 mul add
+ det neg div
+
+ end
+ % (Leaving lfiglineintersect) lfigdebugprint
+} def
+
+% find point on circumference of polygon
+% alpha radius num theta lfigpolycircum x y
+/lfigpolycircum
+{
+ % (Entering lfigpolycircum) lfigdebugprint
+ 13 dict begin
+ /theta exch def
+ /num exch def
+ /radius exch def
+ /alpha exch def
+
+ % calculate delta, the angle from theta to alpha
+ alpha theta sub lfigfixangle
+
+ % calculate the angle which is the multiple of 360/num closest to delta
+ 360 num div div truncate 360 num div mul theta add /anglea exch def
+
+ % calculate the next multiple of 360/num after anglea
+ anglea 360 num div add /angleb exch def
+
+ % intersect the line through these two points with the alpha line
+ anglea cos anglea sin angleb cos angleb sin
+ 0 0 alpha cos 2 mul alpha sin 2 mul
+ lfiglineintersect radius lfigpmul
+
+ end
+ % (Leaving lfigpolycircum) lfigdebugprint
+} def
+
+% find point of intersection of a point and a circle
+% x0 y0 r x1 y1 theta lfigcircleintersect xa ya xb yb 2
+% or xb yb 1
+% or 0
+/lfigcircleintersect
+{
+ % (Entering lfigcircleintersect) lfigdebugprint
+ 15 dict begin
+ /theta exch def
+ /y1 exch def
+ /x1 exch def
+ /r exch def
+ /y0 exch def
+ /x0 exch def
+
+ % if sin(theta) = 0 then line is horizontal and y must be y1
+ theta sin abs 0.00001 lt
+ {
+ /a 1 def
+ /b -2 x0 mul def
+ /c x0 dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 1
+ }
+ { y1 exch y1 2
+ } ifelse
+ } ifelse
+ }
+ {
+ /ct theta cos theta sin div def
+ /a ct ct mul 1 add def
+ /b ct x1 x0 sub mul y1 add y0 sub 2 mul def
+ /c x1 x0 sub dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c lfigqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xb yb 1
+ }
+ { y1 add /ya exch def
+ ya y1 sub ct mul x1 add /xa exch def
+ y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xa ya xb yb 2
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving lfigcircleintersect) lfigdebugprint
+} def
+
+% add CIRCUM operator with this body: <array> lfigcircumdef -
+/lfigcircumdef
+{ % (Entering lfigcircumdef) lfigdebugprint
+ /CIRCUM exch cvx
+ currentdict end
+ 3 1 roll
+ % currentdict length currentdict maxlength lt
+ % { def }
+ % { exec moveto (too many labels) show stop }
+ % ifelse
+ def
+ begin
+ % (Leaving lfigcircumdef) lfigdebugprint
+} def
+
+end
+%%EndResource
+
+%%BeginResource: procset LoutGraphPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/graphf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Graph (Version 1.0) %
+% %
+% Version 1.0 by Jeffrey H. Kingston, December 1993. %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+errordict begin
+ /handleerror
+ {
+ { /Times-Roman findfont 8 pt scalefont setfont
+ 0 setgray 4 pt 4 pt moveto
+ $error /errorname get
+ dup lgraphdict exch known
+ { lgraphdict exch get }
+ { 30 string cvs } ifelse
+ show
+ ( Command: ) show
+ $error /command get 30 string cvs show
+ } stopped {} if
+ showpage stop
+ } def
+end
+
+/lgraphdict 200 dict def
+lgraphdict begin
+
+% error messages
+/dictfull (dictfull error) def
+/dictstackoverflow (dictstackoverflow error) def
+/execstackoverflow (execstackoverflow error: expression too complex?) def
+/limitcheck (limitcheck error: graph too complex or too large?) def
+/syntaxerror (syntaxerror error: syntax error in text of graph?) def
+/typecheck (typecheck error: syntax error in text of graph?) def
+/undefined (undefined error: unknown or misspelt symbol?) def
+/rangecheck (rangecheck error: undefined expression (e.g. divide by zero)?) def
+/VMError (VMError error: run out of memory?) def
+
+% random number between x and y inclusive: x y dorand num
+/dorand { 1 index sub 1 add rand exch mod add } def
+
+% log to given base: base num dolog num
+/dolog { ln exch ln div } def
+
+% maximum of two numbers: <num> <num> max <num>
+/max { 2 copy gt { pop } { exch pop } ifelse } def
+
+% add two points: <point> <point> padd <point>
+/padd { exch 3 1 roll add 3 1 roll add exch } def
+
+% subtract first point from second: <point> <point> psub <point>
+/psub { 3 2 roll sub 3 1 roll exch sub exch } def
+
+% distance between two points: <point> <point> distance <length>
+/distance { psub dup mul exch dup mul add sqrt } def
+
+% point at angle and distance: <point> <length> <angle> atangle <point>
+/atangle { 2 copy cos mul 3 1 roll sin mul padd } def
+
+% angle from one point to another: <point> <point> angle <angle>
+/angle { psub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def
+
+
+% set up for line
+% - linesetup <length> <dashlength>
+/linesetup
+{ newpath
+ xcurr ycurr trpoint xprev yprev trpoint
+ 4 copy moveto lineto distance dashlength
+} def
+
+% set up for icon-avoiding line
+% - ilinesetup <length> <dashlength>
+/ilinesetup
+{ newpath
+ xprev yprev trpoint xcurr ycurr trpoint 4 copy
+ 4 copy angle symbolsize 1.5 mul exch 4 2 roll pop pop atangle
+ 6 2 roll 4 2 roll
+ 4 copy angle symbolsize 1.5 mul exch 4 2 roll pop pop atangle
+ 4 copy moveto lineto distance dashlength
+} def
+
+
+% stroke a solid line: <length> <dashlength> solid -
+/solid
+{ pop pop [] 0 setdash linewidth setlinewidth stroke
+} def
+
+% stroke a dashed line: <length> <dashlength> dashed -
+/dashed
+{ 2 copy 2 mul le 1 index 0 le or
+ { exch pop 1 pt max [ exch dup ] 0 setdash }
+ { dup [ exch 4 2 roll 2 copy div
+ 1 sub 2 div ceiling dup 4 1 roll
+ 1 add mul sub exch div ] 0 setdash
+ } ifelse linewidth setlinewidth stroke
+} def
+
+% stroke a cdashed line: <length> <dashlength> cdashed -
+/cdashed
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt max [ exch dup ] dup 0 get 2 div setdash }
+ { dup [ 4 2 roll exch 2 copy exch div
+ 2 div ceiling div 1 index sub
+ ] exch 2 div setdash
+ } ifelse linewidth setlinewidth stroke
+} def
+
+% stroke a dotted line: <length> <dashlength> dotted -
+/dotted
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt max [ exch 0 exch ] 0 setdash }
+ { 1 index exch div ceiling div 0.99999 mul
+ [ 0 3 2 roll ] 0 setdash
+ } ifelse gsave 1 setlinecap linewidth setlinewidth stroke grestore newpath
+} def
+
+% stroke a noline line: <length> <dashlength> noline -
+/noline
+{ pop pop
+} def
+
+% stroke a y histogram: - yhisto -
+/yhisto
+{ xprev yleft trpoint yextra sub moveto
+ xprev yprev trpoint lineto
+ xcurr yprev trpoint lineto
+ xcurr yleft trpoint yextra sub lineto
+ linewidth setlinewidth stroke
+} def
+
+% stroke an x histogram: - xhisto -
+/xhisto
+{ xleft yprev trpoint exch xextra sub exch moveto
+ xcurr yprev trpoint lineto
+ xcurr ycurr trpoint lineto
+ xleft ycurr trpoint exch xextra sub exch lineto
+ linewidth setlinewidth stroke
+} def
+
+% stroke a surface y histogram: - surfaceyhisto -
+/surfaceyhisto
+{ firstpair
+ { xprev yleft trpoint yextra sub moveto
+ xprev yprev trpoint lineto
+ }
+ { xprev yprev trpoint moveto
+ } ifelse
+ xcurr yprev trpoint lineto
+ lastpair
+ { xcurr yleft trpoint yextra sub lineto
+ }
+ { xcurr ycurr trpoint lineto
+ } ifelse
+ linewidth setlinewidth stroke
+} def
+
+% stroke a surface x histogram: - surfacexhisto -
+/surfacexhisto
+{ firstpair
+ { xleft yprev trpoint exch xextra sub exch moveto
+ }
+ { xprev yprev trpoint moveto
+ } ifelse
+ xcurr yprev trpoint lineto
+ xcurr ycurr trpoint lineto
+ lastpair
+ { xleft ycurr trpoint exch xextra sub exch lineto
+ } if
+ linewidth setlinewidth stroke
+} def
+
+% stroke a filled y histogram: - filledyhisto -
+/filledyhisto
+{
+ linewidth setlinewidth
+ xprev yleft trpoint exch currentlinewidth 2 div add exch yextra sub moveto
+ xprev yprev trpoint exch currentlinewidth 2 div add exch lineto
+ xcurr yprev trpoint exch currentlinewidth 2 div sub exch lineto
+ xcurr yleft trpoint exch currentlinewidth 2 div sub exch yextra sub lineto
+ closepath fill
+} def
+
+% stroke a filled x histogram: - filledxhisto -
+/filledxhisto
+{
+ linewidth setlinewidth
+ xleft yprev trpoint currentlinewidth 2 div add exch xextra sub exch moveto
+ xcurr yprev trpoint currentlinewidth 2 div add lineto
+ xcurr ycurr trpoint currentlinewidth 2 div sub lineto
+ xleft ycurr trpoint currentlinewidth 2 div sub exch xextra sub exch lineto
+ closepath fill
+} def
+
+
+% cross: show a small cross
+/cross
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg symbolsize neg rmoveto
+ symbolsize 2 mul symbolsize 2 mul rlineto
+ 0 symbolsize -2 mul rmoveto
+ symbolsize -2 mul symbolsize 2 mul rlineto
+ [] 0 setdash stroke
+} def
+
+% plus: show a small plus
+/plus
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg 0 rmoveto
+ symbolsize 2 mul 0 rlineto
+ symbolsize neg symbolsize neg rmoveto
+ 0 symbolsize 2 mul rlineto
+ [] 0 setdash stroke
+} def
+
+% square: show a small square
+/square
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg symbolsize neg rmoveto
+ symbolsize 2 mul 0 rlineto
+ 0 symbolsize 2 mul rlineto
+ symbolsize -2 mul 0 rlineto
+ closepath [] 0 setdash stroke
+} def
+
+% filledsquare: show a small filled square
+/filledsquare
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg symbolsize neg rmoveto
+ symbolsize 2 mul 0 rlineto
+ 0 symbolsize 2 mul rlineto
+ symbolsize -2 mul 0 rlineto
+ closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+% diamond: show a small diamond
+/diamond
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg 0 rmoveto
+ symbolsize symbolsize neg rlineto
+ symbolsize symbolsize rlineto
+ symbolsize neg symbolsize rlineto
+ closepath [] 0 setdash stroke
+} def
+
+% filleddiamond: show a small filled diamond
+/filleddiamond
+{ newpath
+ xcurr ycurr trpoint moveto
+ symbolsize neg 0 rmoveto
+ symbolsize symbolsize neg rlineto
+ symbolsize symbolsize rlineto
+ symbolsize neg symbolsize rlineto
+ closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+% circle: show a small circle
+/circle
+{ newpath
+ xcurr ycurr trpoint symbolsize 0 360 arc [] 0 setdash stroke
+} def
+
+% filledcircle: show a small filled circle
+/filledcircle
+{ newpath
+ xcurr ycurr trpoint symbolsize 0 360 arc gsave [] 0 setdash stroke grestore fill
+} def
+
+% triangle: show a small triangle
+/triangle
+{ newpath
+ xcurr ycurr trpoint moveto
+ 0 symbolsize 1.5 mul rmoveto
+ symbolsize neg symbolsize -2.5 mul rlineto
+ symbolsize 2 mul 0 rlineto
+ closepath [] 0 setdash stroke
+} def
+
+% filledtriangle: show a small filled triangle
+/filledtriangle
+{ newpath
+ xcurr ycurr trpoint moveto
+ 0 symbolsize 1.5 mul rmoveto
+ symbolsize neg symbolsize -2.5 mul rlineto
+ symbolsize 2 mul 0 rlineto
+ closepath gsave [] 0 setdash stroke grestore fill
+} def
+
+
+%plog: like log only with a base, and protected from failing if <= 0
+% base x plog res
+/plog { dup 0 le { pop pop 0 } { ln exch ln div } ifelse } def
+
+% xtr: transform one x value logarithmically if xlog > 1
+% <num> xtr <num>
+/xtr
+{ xlog 1 gt
+ { xlog exch plog
+ } if
+} def
+
+% ytr: transform one y value logarithmically if ylog > 1
+% <num> ytr <num>
+/ytr
+{ ylog 1 gt
+ { ylog exch plog
+ } if
+} def
+
+% % trpoint: transform (x, y) in graph space into (x', y') in print space
+% % x y trpoint x' y'
+% /trpoint
+% { exch xtr trxmin sub trxmax trxmin sub div xwidth mul xextra add
+% exch ytr trymin sub trymax trymin sub div ywidth mul yextra add
+% } def
+
+
+% trpoint: transform (x, y) in graph space into (x', y') in print space
+% x y trpoint x' y'
+/trpoint
+{ exch xtr xdecr { trxmax exch sub } { trxmin sub } ifelse
+ trxmax trxmin sub div xwidth mul xextra add
+
+ exch ytr ydecr { trymax exch sub } { trymin sub } ifelse
+ trymax trymin sub div ywidth mul yextra add
+} def
+
+
+% yonly: interpolate x values 1, 2, ... into data
+% [ data ] yonly [ newdata ]
+/yonly
+{ dup /tmp exch def
+ length [ exch 1 exch 1 exch
+ { dup tmp exch 1 sub get
+ } for
+ ]
+} def
+
+% xonly: interpolate y values 1, 2, ... into data
+% [ data ] yonly [ newdata ]
+/xonly
+{ dup /tmp exch def
+ length [ exch 1 exch 1 exch
+ { dup tmp exch 1 sub get exch
+ } for
+ ]
+} def
+
+% xandy: no interpolation of x or y values
+% [ data ] xandy [ data ]
+/xandy {} def
+
+
+% expstringwidth: calculate width of string containing optional exponent
+% <string> expstringwidth <width>
+/expstringwidth
+{ (^) search
+ { exch pop stringwidth pop exch stringwidth pop 0.7 mul add }
+ { stringwidth pop }
+ ifelse
+} def
+
+% expstringshow: show string containing optional exponent
+% <string> expstringshow -
+/expstringshow
+{ (^) search
+ { exch pop show 0 0.5 ft rmoveto
+ gsave currentfont 0.7 scalefont setfont show grestore
+ }
+ { show
+ }
+ ifelse
+} def
+
+% concatenate two strings: <string> <string> strconcat <string>
+/strconcat
+{ 2 copy length exch length add string
+ dup 0 4 index putinterval
+ dup 3 index length 3 index putinterval
+ 3 1 roll pop pop
+} def
+
+% lgen: generate one label automatically
+% num lgen num string
+/lgen { dup 20 string cvs } def
+
+% loglgen: generate one logarithmic label (with exponent)
+% <base> <exponent> loglgen <string>
+/loglgen
+{ 20 string cvs exch 20 string cvs
+ (^) strconcat exch strconcat
+} def
+
+
+% printxtick: print one x tick
+% xpos printxtick -
+/printxtick
+{ newpath
+ yleft trpoint moveto 0 yextra neg rmoveto
+ 0 xticklength neg rlineto [] 0 setdash stroke
+} def
+
+% printxlabel: print one x label
+% (xlabel) xpos printxlabel -
+/printxlabel
+{ yleft trpoint moveto 0 yextra neg rmoveto
+ 0 xticklength neg rmoveto 0 0.9 ft neg rmoveto
+ xlog 1 gt { 0 0.3 ft neg rmoveto } if
+ dup expstringwidth -2 div 0 rmoveto expstringshow
+} def
+
+% printytick: print one y tick
+% ypos printytick -
+/printytick
+{ newpath
+ xleft exch trpoint moveto xextra neg 0 rmoveto
+ yticklength neg 0 rlineto [] 0 setdash stroke
+} def
+
+% printylabel: print one y label
+% (ylabel) ypos printylabel -
+/printylabel
+{ xleft exch trpoint moveto xextra neg 0 rmoveto
+ yticklength neg 0 rmoveto -0.3 ft -0.3 ft rmoveto
+ dup expstringwidth neg 0 rmoveto expstringshow
+} def
+
+% printrtick: print one r tick
+% ypos printrtick -
+/printrtick
+{ newpath
+ xright exch trpoint moveto xextra 0 rmoveto
+ rticklength 0 rlineto [] 0 setdash stroke
+} def
+
+% printrlabel: print one r label
+% (rlabel) ypos printrlabel -
+/printrlabel
+{ xright exch trpoint moveto xextra 0 rmoveto
+ rticklength 0 rmoveto 0.3 ft -0.3 ft rmoveto
+ expstringshow
+} def
+
+% printticks: print ticks and labels
+% /tickproc /labelproc [ tickandlabeldata ] min printticks -
+/printticks
+{ /prev exch def
+ { dup type dup dup /integertype eq exch /realtype eq or
+ { pop dup /prev exch def 2 index cvx exec
+ }
+ { /stringtype eq
+ { prev 2 index cvx exec
+ }
+ { pop
+ } ifelse
+ } ifelse
+ } forall
+ pop pop
+} def
+
+
+% printxaxistick: print one x axis tick
+% xpos printxaxistick -
+/printxaxistick
+{ newpath
+ yaxis trpoint moveto 0 xticklength -2 div rmoveto
+ 0 xticklength rlineto [] 0 setdash stroke
+} def
+
+% printxaxislabel: print one x axis label
+% (xlabel) xpos printxaxislabel -
+/printxaxislabel
+{ yaxis trpoint moveto
+ 0 xticklength -2 div rmoveto 0 0.9 ft neg rmoveto
+ xlog 1 gt { 0 0.3 ft neg rmoveto } if
+ dup expstringwidth -2 div 0 rmoveto expstringshow
+} def
+
+% printyaxistick: print one y axis tick
+% ypos printyaxistick -
+/printyaxistick
+{ newpath
+ xaxis exch trpoint moveto
+ yticklength -2 div 0 rmoveto
+ yticklength 0 rlineto [] 0 setdash stroke
+} def
+
+% printyaxislabel: print one y axis label
+% (ylabel) ypos printyaxislabel -
+/printyaxislabel
+{ xaxis exch trpoint moveto
+ yticklength -2 div 0 rmoveto -0.3 ft -0.3 ft rmoveto
+ dup expstringwidth neg 0 rmoveto expstringshow
+} def
+
+
+% <val> minmax -
+% perform minv := min(minv, val); maxv := max(maxv, val)
+% allowing for the possibility of minv, maxv, val being false (undefined)
+/minmax
+{ dup false eq
+ { pop }
+ { minv false eq
+ { dup /minv exch def /maxv exch def }
+ { dup minv lt
+ { /minv exch def }
+ { dup maxv gt
+ { /maxv exch def }
+ { pop }
+ ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+} def
+
+% <ticks> ticksundef <ticks> <bool>
+% returns true iff the ticks array is undefined (one false entry)
+/ticksundef
+{ dup length 1 eq
+ { dup 0 get false eq
+ }
+ { false }
+ ifelse
+} def
+
+% <number> integral <boolean>
+% true if the number has an integral value
+/integral { dup round eq } def
+
+% ticksep ticks xory alldata minval maxval axis base ticksandlimits ticks min max base
+% ticksandlimits: sort out value of x or y ticks and limits and log base
+/ticksandlimits
+{ /base exch def
+ /minv false def
+ /maxv false def
+
+ % min and max of user-supplied minval, maxval, and axis
+ minmax minmax minmax
+
+ % min and max of data points
+ { 0 get dup dup length 1 sub 3 index exch 2 exch
+ { get minmax dup
+ } for pop pop
+ } forall
+ pop dup
+
+ % min and max of tick values
+ { dup type /stringtype eq
+ { pop } { minmax } ifelse
+ } forall
+
+ % fix minv and maxv if undefined (false) or equal
+ minv false eq
+ { /minv -1 def /maxv 1 def }
+ { minv maxv eq
+ { minv 0 lt
+ { /minv 2 minv mul def /maxv 0 def
+ }
+ { minv 0 eq
+ { /minv -1 def /maxv 1 def
+ }
+ { /minv 0 def /maxv 2 maxv mul def
+ } ifelse
+ } ifelse
+ } if
+ } ifelse
+
+ % invent ticks if undefined
+ ticksundef
+ { pop /ticksep exch def
+
+ % if base is reasonable and minv is positive, logarithmic ticks
+ base 1 gt minv 0 gt and
+ {
+ % get integral log of minv and maxv
+ /logminv base minv plog floor cvi def
+ /logmaxv base maxv plog ceiling cvi def
+
+ % if minv close to base, make it 1; reset minv and maxv
+ logminv 1 eq logmaxv 4 ge and { /logminv 0 def } if
+ /minv base logminv exp def
+ /maxv base logmaxv exp def
+
+ % ticks := [ base**logminv, ... , base**logmaxv ]
+ [ logminv 1 logmaxv
+ { dup base exch exp
+ exch base exch loglgen
+ } for
+ ]
+ }
+ { % non-logarithmic ticks
+ {
+ % fix tick separation if undefined (0) or too small
+ /base 0 def
+ /delta maxv minv sub def
+ ticksep delta 30 div le
+ { /ticksep 10 delta log 1 sub ceiling exp def
+ ticksep delta 2 div ge
+ { /ticksep ticksep 2 div def }
+ { ticksep delta 5 div lt
+ { /ticksep 2 ticksep mul def
+ } if
+ } ifelse
+ } if
+
+ % adjust minv and maxv to be multiples of ticksep
+ /minv minv ticksep div floor ticksep mul def
+ /maxv maxv ticksep div ceiling ticksep mul def
+ /delta maxv minv sub def
+
+ % if minv or maxv near zero, move to zero and redo
+ minv ticksep eq
+ { /minv 0 def }
+ { maxv ticksep neg eq { /maxv 0 def } { exit } ifelse
+ } ifelse
+ } loop
+
+ % if minv, maxv, and ticksep are all integral, set "makeint" to true
+ /makeint minv integral maxv integral ticksep integral and and def
+
+ % ticks := [ minv, minv+ticksep, ... , maxv ]
+ [ 0 1 delta ticksep div round
+ { ticksep mul minv add makeint { cvi } if lgen }
+ for
+ ]
+ } ifelse
+ }
+ { exch pop
+ } ifelse
+ minv maxv base
+} def
+
+% xset: set up all data for x axis, including limits and ticks
+% xticksep xticks 0 alldata xmin xmax xlog xextra xdecr xaxis xticklength xset -
+/xset
+{ /xticklength exch def
+ /xaxis exch def
+ /xdecr exch def
+ /xextra exch def
+ xaxis exch ticksandlimits
+ /xlog exch def /xmax exch def /xmin exch def /xticks exch def
+ /xleft xdecr { xmax } { xmin } ifelse def
+ /xright xdecr { xmin } { xmax } ifelse def
+ /xwidth xsize xextra 2 mul sub def
+ /trxmin xmin xtr def /trxmax xmax xtr def
+} def
+
+% yset: set up all data for y axis, including limits and yticks
+% yticksep yticks 0 alldata ymin ymax ylog yextra ydecr yaxis yticklength yset -
+/yset
+{ /yticklength exch def
+ /yaxis exch def
+ /ydecr exch def
+ /yextra exch def
+ yaxis exch ticksandlimits
+ /ylog exch def /ymax exch def /ymin exch def /yticks exch def
+ /yleft ydecr { ymax } { ymin } ifelse def
+ /yright ydecr { ymin } { ymax } ifelse def
+ /ywidth ysize yextra 2 mul sub def
+ /trymin ymin ytr def /trymax ymax ytr def
+} def
+
+% rset: set up all data for y axis (again), but including limits and rticks
+% rticksep rticks 0 alldata ymin ymax ylog yextra ydecr yaxis rticklength rset -
+/rset
+{ /rticklength exch def
+ /yaxis exch def
+ /ydecr exch def
+ /yextra exch def
+ yaxis exch ticksandlimits
+ /ylog exch def /ymax exch def /ymin exch def /rticks exch def
+ /yleft ydecr { ymax } { ymin } ifelse def
+ /yright ydecr { ymin } { ymax } ifelse def
+ /ywidth ysize yextra 2 mul sub def
+ /trymin ymin ytr def /trymax ymax ytr def
+} def
+
+% norset: set up data for no rticks
+% - norset -
+/norset
+{ /rticklength 0 def
+ /rticks [] def
+} def
+
+% framestyle: print a frame around the graph
+/framestyle
+{ 0 0 moveto xsize 0 lineto xsize ysize lineto
+ 0 ysize lineto closepath stroke
+ /printxtick /printxlabel xticks xleft printticks
+ /printytick /printylabel yticks ymin printticks
+ /printrtick /printrlabel rticks ymin printticks
+} def
+
+% nonestyle: print nothing around the graph
+/nonestyle
+{
+} def
+
+% axesstyle: print axes for the graph (unless axis values missing)
+/axesstyle
+{
+ xaxis false eq yaxis false eq or
+ { framestyle }
+ { xaxis yaxis trpoint dup 0 exch moveto xsize exch lineto
+ dup 0 moveto ysize lineto stroke
+ /printxaxistick /printxaxislabel xticks xleft printticks
+ /printyaxistick /printyaxislabel yticks ymin printticks
+ } ifelse
+} def
+
+% rundata: run all data sets
+/rundata
+{ alldata
+ { gsave
+ dup dup dup dup
+ 4 get /dopaint exch def
+ 3 get /initrun exch def
+ 2 get /pairs exch def
+ 1 get /points exch def
+ 0 get /data exch def
+ dopaint
+ { data length 4 ge
+ { initrun
+ newpath
+ data 0 get ymin trpoint yextra sub moveto
+ 0 2 data length 2 sub
+ { dup 1 add
+ data exch get /ycurr exch def
+ data exch get /xcurr exch def
+ xcurr ycurr trpoint lineto
+ } for
+ data dup length 2 sub get ymin trpoint yextra sub lineto
+ closepath fill
+ } if
+ } if
+ initrun
+ data length 2 ge
+ {
+ /xcurr data 0 get def
+ /ycurr data 1 get def
+ points
+ data length 4 ge
+ { 2 2 data length 2 sub
+ { /xprev xcurr def
+ /yprev ycurr def
+ dup dup 2 eq /firstpair exch def
+ data length 2 sub eq /lastpair exch def
+ dup 1 add
+ data exch get /ycurr exch def
+ data exch get /xcurr exch def
+ pairs
+ points
+ } for
+ } if
+ } if
+ grestore
+ } forall
+} def
+
+end
+%%EndResource
+
+%%BeginResource: procset LoutFigPrependGraphic
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/diagf.lpg
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+% %
+% PostScript @SysPrependGraphic file for @Diag Jeffrey H. Kingston %
+% Version 2.0 (includes CIRCUM label) September 1996 %
+% %
+% To assist in avoiding name clashes, the names of all symbols %
+% defined here begin with "ldiag". However, this is not feasible %
+% with user-defined labels and some labels used by users. %
+% %
+% <point> is two numbers, a point. %
+% <length> is one number, a length %
+% <angle> is one number, an angle in degrees %
+% <dashlength> is one number, the preferred length of a dash %
+% %
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
+errordict begin
+ /handleerror
+ {
+ { /Times-Roman findfont 8 pt scalefont setfont
+ 0 setgray 4 pt 4 pt moveto
+ $error /errorname get
+ dup ldiagdict exch known
+ { ldiagdict exch get }
+ { 50 string cvs } ifelse
+ show
+ ( Command: ) show
+ $error /command get 50 string cvs show
+ } stopped {} if
+ showpage stop
+ } def
+end
+
+% begin diagram: <maxlabels> ldiagbegin -
+% must be defined outside ldiagdict since it loads it
+/ldiagbegin
+{ xsize 0 0 ysize ldiagdict begin
+ 5 -1 roll /ldiagmaxlabels exch def
+ (@Diag) ldiagpushtagdict
+ /OOY ldiagpointdef /OOX ldiagpointdef 0 0 /OOO ldiagpointdef
+} def
+
+% end diagram: - ldiagend -
+/ldiagend
+{ ldiagpoptagdict end
+} def
+
+% concat strings: <string> <string> ldiagconcat <string>
+% must be defined outside ldiagdict since used in ldiagpromotelabels
+/ldiagconcat
+{ 2 copy length exch length add string
+ dup 0 4 index putinterval
+ dup 3 index length 3 index putinterval
+ 3 1 roll pop pop
+} def
+
+/ldiagdebugposy 432 def
+/ldiagdebugposx 72 def
+
+% <string> <int> ldiagdebugprint -
+% must be defined outside ldiagdict since used in arbitrary places
+% print count or <int> stack entries, which ever is the smaller
+/ldiagdebugprint
+{
+ exch
+ gsave
+ initgraphics
+ ldiagdebugposy 72 lt
+ { /ldiagdebugposx ldiagdebugposx 144 add store
+ /ldiagdebugposy 432 store
+ }
+ {
+ /ldiagdebugposy ldiagdebugposy 12 sub store
+ } ifelse
+ ldiagdebugposx ldiagdebugposy moveto
+ /Times-Roman findfont 10 scalefont setfont
+ 0 setgray show
+ count 1 sub 2 copy lt { pop } { exch pop } ifelse 1 sub
+ 0 exch 1 exch
+ {
+ /ldiagdebugposy ldiagdebugposy 12 sub store
+ ldiagdebugposx 12 add ldiagdebugposy moveto
+ index 50 string cvs show
+ } for
+ grestore
+} def
+
+/ldiagdict 200 dict def
+ldiagdict begin
+
+% error messages
+/dictfull (dictfull error: too many labels?) def
+/dictstackoverflow (dictstackoverflow error: labels nested too deeply?) def
+/execstackoverflow (execstackoverflow error: figure nested too deeply?) def
+/limitcheck (limitcheck error: figure nested too deeply or too large?) def
+/syntaxerror (syntaxerror error: syntax error in text of figure?) def
+/typecheck (typecheck error: syntax error in text of figure?) def
+/undefined (undefined error: unknown or misspelt label?) def
+/VMError (VMError error: run out of memory?) def
+
+% push pi onto stack: - ldiagpi <num>
+/ldiagpi 3.14159 def
+
+% push e onto stack: - ldiage <num>
+/ldiage 2.71828 def
+
+% arc directions
+/clockwise false def
+/anticlockwise true def
+
+% test equality between two angles: <angle> <angle> ldiagangleeq <bool>
+/ldiagangleeq { ldiagfixangle exch ldiagfixangle eq } def
+
+% test inequality between two angles: <angle> <angle> ldiaganglene <bool>
+/ldiaganglene { ldiagangleeq not } def
+
+% maximum of two numbers: <num> <num> ldiagmax <num>
+/ldiagmax { 2 copy gt { pop } { exch pop } ifelse } def
+
+% minimum of two numbers: <num> <num> ldiagmin <num>
+/ldiagmin { 2 copy lt { pop } { exch pop } ifelse } def
+
+% add two points: <point> <point> ldiagpadd <point>
+/ldiagpadd
+{
+ % (Entering padd) 4 ldiagdebugprint
+ exch 3 1 roll add 3 1 roll add exch
+ % (Leaving padd) 2 ldiagdebugprint
+} def
+
+% subtract first point from second: <point> <point> ldiagpsub <point>
+/ldiagpsub { 3 2 roll sub 3 1 roll exch sub exch } def
+
+% max two points: <point> <point> ldiagpmax <point>
+/ldiagpmax { exch 3 1 roll ldiagmax 3 1 roll ldiagmax exch } def
+
+% min two points: <point> <point> ldiagpmin <point>
+/ldiagpmin { exch 3 1 roll ldiagmin 3 1 roll ldiagmin exch } def
+
+% scalar multiplication: <point> <num> ldiagpmul <point>
+/ldiagpmul { dup 3 1 roll mul 3 1 roll mul exch } def
+
+% point at angle and distance: <point> <length> <angle> ldiagatangle <point>
+/ldiagatangle { 2 copy cos mul 3 1 roll sin mul ldiagpadd } def
+
+% angle from one point to another: <point> <point> ldiagangleto <angle>
+/ldiagangleto { ldiagpsub 2 copy 0 eq exch 0 eq and {pop} {exch atan} ifelse } def
+
+% distance between two points: <point> <point> ldiagdistance <length>
+/ldiagdistance { ldiagpsub dup mul exch dup mul add sqrt } def
+
+% stroke a solid line: <length> <dashlength> ldiagsolid -
+/ldiagsolid
+{ pop pop [] 0 setdash 1 setlinecap stroke
+} def
+
+% stroke a dashed line: <length> <dashlength> ldiagdashed -
+/ldiagdashed
+{ 2 copy div 2 le 1 index 0 le or
+ { exch pop 1 pt ldiagmax [ exch dup ] 0 setdash }
+ { dup [ exch 4 2 roll 2 copy div
+ 1 sub 2 div ceiling dup 4 1 roll
+ 1 add mul sub exch div ] 0 setdash
+ } ifelse 0 setlinecap stroke
+} def
+
+% stroke a cdashed line: <length> <dashlength> ldiagcdashed -
+/ldiagcdashed
+{ % (Entering ldiagcdashed) 2 ldiagdebugprint
+ 2 copy le 1 index 0 le or
+ { exch pop 1 pt ldiagmax [ exch dup ] dup 0 get 2 div setdash }
+ { dup [ 4 2 roll exch 2 copy exch div
+ 2 div ceiling div 1 index sub
+ ] exch 2 div setdash
+ } ifelse 0 setlinecap stroke
+ % (Leaving ldiagcdashed) 0 ldiagdebugprint
+} def
+
+% stroke a dotted line: <length> <dashlength> ldiagdotted -
+/ldiagdotted
+{ 2 copy le 1 index 0 le or
+ { exch pop 1 pt ldiagmax [ exch 0 exch ] 0 setdash }
+ { 1 index exch div ceiling div
+ [ 0 3 2 roll ] 0 setdash
+ } ifelse 1 setlinecap stroke
+} def
+
+% stroke a noline line: <length> <dashlength> ldiagnoline -
+/ldiagnoline
+{ pop pop
+} def
+
+% painting (i.e. filling): - ldiagwhite - (etc.)
+/ldiagnopaint { } def
+/ldiagnochange { fill } def
+/ldiagdarkblue { 0.0 0.0 0.5 setrgbcolor fill } def
+/ldiagblue { 0.0 0.0 1.0 setrgbcolor fill } def
+/ldiaglightblue { 0.5 0.5 1.0 setrgbcolor fill } def
+/ldiagdarkgreen { 0.0 0.5 0.0 setrgbcolor fill } def
+/ldiaggreen { 0.0 1.0 0.0 setrgbcolor fill } def
+/ldiaglightgreen { 0.5 1.0 0.5 setrgbcolor fill } def
+/ldiagdarkred { 0.5 0.0 0.0 setrgbcolor fill } def
+/ldiagred { 1.0 0.0 0.0 setrgbcolor fill } def
+/ldiaglightred { 1.0 0.5 0.5 setrgbcolor fill } def
+/ldiagdarkcyan { 0.0 0.5 0.5 setrgbcolor fill } def
+/ldiagcyan { 0.0 1.0 1.0 setrgbcolor fill } def
+/ldiaglightcyan { 0.5 1.0 1.0 setrgbcolor fill } def
+/ldiagdarkmagenta { 0.5 0.0 0.5 setrgbcolor fill } def
+/ldiagmagenta { 1.0 0.0 1.0 setrgbcolor fill } def
+/ldiaglightmagenta { 1.0 0.5 1.0 setrgbcolor fill } def
+/ldiagdarkyellow { 0.5 0.5 0.0 setrgbcolor fill } def
+/ldiagyellow { 1.0 1.0 0.0 setrgbcolor fill } def
+/ldiaglightyellow { 1.0 1.0 0.5 setrgbcolor fill } def
+/ldiagdarkgray { 0.2 0.2 0.2 setrgbcolor fill } def
+/ldiaggray { 0.5 0.5 0.5 setrgbcolor fill } def
+/ldiaglightgray { 0.8 0.8 0.8 setrgbcolor fill } def
+/ldiagdarkgrey { 0.2 0.2 0.2 setrgbcolor fill } def
+/ldiaggrey { 0.5 0.5 0.5 setrgbcolor fill } def
+/ldiaglightgrey { 0.8 0.8 0.8 setrgbcolor fill } def
+/ldiagblack { 0.0 0.0 0.0 setrgbcolor fill } def
+/ldiagwhite { 1.0 1.0 1.0 setrgbcolor fill } def
+
+% shape and labels of the @Box symbol
+/ldiagbox
+{
+ 0 0 /SW ldiagpointdef
+ xsize 0 /SE ldiagpointdef
+ xsize ysize /NE ldiagpointdef
+ 0 ysize /NW ldiagpointdef
+ SE 0.5 ldiagpmul /S ldiagpointdef
+ NW 0.5 ldiagpmul /W ldiagpointdef
+ W SE ldiagpadd /E ldiagpointdef
+ S NW ldiagpadd /N ldiagpointdef
+ NE 0.5 ldiagpmul /CTR ldiagpointdef
+
+ 0 dg /S@ANGLE ldiagangledef
+ 45 dg /SE@ANGLE ldiagangledef
+ 90 dg /E@ANGLE ldiagangledef
+ 135 dg /NE@ANGLE ldiagangledef
+ 180 dg /N@ANGLE ldiagangledef
+ 225 dg /NW@ANGLE ldiagangledef
+ 270 dg /W@ANGLE ldiagangledef
+ 315 dg /SW@ANGLE ldiagangledef
+
+ [ CTR NE ldiagpsub /ldiagboxcircum cvx ] ldiagcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @CurveBox symbol
+% <margin> ldiagcurvebox <shape>
+/ldiagcurvebox
+{
+
+ % (Entering ldiagcurvebox) 1 ldiagdebugprint
+ ldiagdecodelength /cbmgn exch def
+
+ xsize 0.5 mul ysize 0.5 mul /CTR ldiagpointdef
+ xsize 0.5 mul 0 /S ldiagpointdef
+ xsize ysize 0.5 mul /E ldiagpointdef
+ xsize 0.5 mul ysize /N ldiagpointdef
+ 0 ysize 0.5 mul /W ldiagpointdef
+
+ cbmgn 0.293 mul cbmgn 0.293 mul /SW ldiagpointdef
+ xsize cbmgn 0.293 mul sub cbmgn 0.293 mul /SE ldiagpointdef
+ xsize cbmgn 0.293 mul sub ysize cbmgn 0.293 mul sub /NE ldiagpointdef
+ cbmgn 0.293 mul ysize cbmgn 0.293 mul sub /NW ldiagpointdef
+
+ 0 dg /S@ANGLE ldiagangledef
+ 45 dg /SE@ANGLE ldiagangledef
+ 90 dg /E@ANGLE ldiagangledef
+ 135 dg /NE@ANGLE ldiagangledef
+ 180 dg /N@ANGLE ldiagangledef
+ 225 dg /NW@ANGLE ldiagangledef
+ 270 dg /W@ANGLE ldiagangledef
+ 315 dg /SW@ANGLE ldiagangledef
+
+ [ xsize ysize 0.5 ldiagpmul cbmgn /ldiagcurveboxcircum cvx ] ldiagcircumdef
+
+ cbmgn 0
+ xsize cbmgn sub 0
+ [ xsize cbmgn sub cbmgn ]
+ xsize cbmgn
+ xsize ysize cbmgn sub
+ [ xsize cbmgn sub ysize cbmgn sub ]
+ xsize cbmgn sub ysize
+ cbmgn ysize
+ [ cbmgn ysize cbmgn sub ]
+ 0 ysize cbmgn sub
+ 0 cbmgn
+ [ cbmgn cbmgn ]
+ cbmgn 0
+
+ % (Leaving ldiagcurvebox) 0 ldiagdebugprint
+} def
+
+% shadow of the @ShadowBox symbol
+% its shape and labels are done, somewhat inaccurately, with ldiagbox
+% <shadowmargin> ldiagshadow -
+/ldiagshadow
+{
+ /lfshm exch def
+
+ lfshm 0 moveto
+ 0 lfshm neg rlineto
+ xsize 0 rlineto
+ 0 ysize rlineto
+ lfshm neg 0 rlineto
+ xsize 0 lineto
+ closepath fill
+
+} def
+
+% shape and labels of the @Square symbol
+/ldiagsquare
+{
+ xsize ysize 0.5 ldiagpmul /CTR ldiagpointdef
+ CTR xsize xsize ysize ysize ldiagpmax 0.5 ldiagpmul ldiagpadd /NE ldiagpointdef
+ CTR 0 0 CTR NE ldiagdistance 135 ldiagatangle ldiagpadd /NW ldiagpointdef
+ CTR 0 0 CTR NE ldiagdistance 225 ldiagatangle ldiagpadd /SW ldiagpointdef
+ CTR 0 0 CTR NE ldiagdistance 315 ldiagatangle ldiagpadd /SE ldiagpointdef
+ SW 0.5 ldiagpmul SE 0.5 ldiagpmul ldiagpadd /S ldiagpointdef
+ NW 0.5 ldiagpmul NE 0.5 ldiagpmul ldiagpadd /N ldiagpointdef
+ SW 0.5 ldiagpmul NW 0.5 ldiagpmul ldiagpadd /W ldiagpointdef
+ SE 0.5 ldiagpmul NE 0.5 ldiagpmul ldiagpadd /E ldiagpointdef
+
+ 0 dg /S@ANGLE ldiagangledef
+ 45 dg /SE@ANGLE ldiagangledef
+ 90 dg /E@ANGLE ldiagangledef
+ 135 dg /NE@ANGLE ldiagangledef
+ 180 dg /N@ANGLE ldiagangledef
+ 225 dg /NW@ANGLE ldiagangledef
+ 270 dg /W@ANGLE ldiagangledef
+ 315 dg /SW@ANGLE ldiagangledef
+
+ [ CTR NE ldiagpsub /ldiagboxcircum cvx ] ldiagcircumdef
+ SW SE NE NW SW
+} def
+
+% shape and labels of the @Diamond symbol
+/ldiagdiamond
+{
+ xsize 0 0.5 ldiagpmul /S ldiagpointdef
+ 0 ysize 0.5 ldiagpmul /W ldiagpointdef
+ S W ldiagpadd /CTR ldiagpointdef
+ CTR W ldiagpadd /N ldiagpointdef
+ CTR S ldiagpadd /E ldiagpointdef
+ E N ldiagpadd 0.5 ldiagpmul /NE ldiagpointdef
+ N W ldiagpadd 0.5 ldiagpmul /NW ldiagpointdef
+ S W ldiagpadd 0.5 ldiagpmul /SW ldiagpointdef
+ S E ldiagpadd 0.5 ldiagpmul /SE ldiagpointdef
+
+ 0 dg /S@ANGLE ldiagangledef
+ 90 dg /E@ANGLE ldiagangledef
+ 180 dg /N@ANGLE ldiagangledef
+ 270 dg /W@ANGLE ldiagangledef
+ S E ldiagangleto /SE@ANGLE ldiagangledef
+ E N ldiagangleto /NE@ANGLE ldiagangledef
+ N W ldiagangleto /NW@ANGLE ldiagangledef
+ W S ldiagangleto /SW@ANGLE ldiagangledef
+
+ [ xsize ysize 0.5 ldiagpmul /ldiagdiamondcircum cvx ] ldiagcircumdef
+ S E N W S
+} def
+
+% shape and labels of the @Ellipse symbol
+/ldiagellipse
+{
+ xsize 0 0.5 ldiagpmul /S ldiagpointdef
+ 0 ysize 0.5 ldiagpmul /W ldiagpointdef
+ S W ldiagpadd /CTR ldiagpointdef
+ CTR W ldiagpadd /N ldiagpointdef
+ CTR S ldiagpadd /E ldiagpointdef
+ CTR xsize 0 0.3536 ldiagpmul ldiagpadd 0 ysize 0.3536 ldiagpmul ldiagpadd /NE ldiagpointdef
+ 0 ysize 0.3536 ldiagpmul CTR xsize 0 0.3536 ldiagpmul ldiagpadd ldiagpsub /SE ldiagpointdef
+ xsize 0 0.3536 ldiagpmul CTR ldiagpsub 0 ysize 0.3536 ldiagpmul ldiagpadd /NW ldiagpointdef
+ 0 ysize 0.3536 ldiagpmul xsize 0 0.3536 ldiagpmul CTR ldiagpsub ldiagpsub /SW ldiagpointdef
+ [ xsize ysize 0.5 ldiagpmul /ldiagellipsecircum cvx ] ldiagcircumdef
+
+ 0 dg /S@ANGLE ldiagangledef
+ 90 dg /E@ANGLE ldiagangledef
+ 180 dg /N@ANGLE ldiagangledef
+ 270 dg /W@ANGLE ldiagangledef
+
+ S E ldiagangleto /SE@ANGLE ldiagangledef
+ E N ldiagangleto /NE@ANGLE ldiagangledef
+ N W ldiagangleto /NW@ANGLE ldiagangledef
+ W S ldiagangleto /SW@ANGLE ldiagangledef
+
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @Circle symbol
+/ldiagcircle
+{
+ xsize ysize 0.5 ldiagpmul /CTR ldiagpointdef
+ CTR xsize 0 ysize 0 ldiagpmax 0.5 ldiagpmul ldiagpadd /E ldiagpointdef
+ CTR 0 0 CTR E ldiagdistance 45 ldiagatangle ldiagpadd /NE ldiagpointdef
+ CTR 0 0 CTR E ldiagdistance 90 ldiagatangle ldiagpadd /N ldiagpointdef
+ CTR 0 0 CTR E ldiagdistance 135 ldiagatangle ldiagpadd /NW ldiagpointdef
+ CTR 0 0 CTR E ldiagdistance 180 ldiagatangle ldiagpadd /W ldiagpointdef
+ CTR 0 0 CTR E ldiagdistance 225 ldiagatangle ldiagpadd /SW ldiagpointdef
+ CTR 0 0 CTR E ldiagdistance 270 ldiagatangle ldiagpadd /S ldiagpointdef
+ CTR 0 0 CTR E ldiagdistance 315 ldiagatangle ldiagpadd /SE ldiagpointdef
+ [ S E ldiagpsub /ldiagellipsecircum cvx ] ldiagcircumdef
+
+ 0 dg /S@ANGLE ldiagangledef
+ 45 dg /SE@ANGLE ldiagangledef
+ 90 dg /E@ANGLE ldiagangledef
+ 135 dg /NE@ANGLE ldiagangledef
+ 180 dg /N@ANGLE ldiagangledef
+ 225 dg /NW@ANGLE ldiagangledef
+ 270 dg /W@ANGLE ldiagangledef
+ 315 dg /SW@ANGLE ldiagangledef
+
+ S [ CTR ] E [ CTR ] N [ CTR ] W [ CTR ] S
+} def
+
+% shape and labels of the @VLine and @VArrow symbols
+/ldiagvline
+{
+ xmark ysize ldiagprevious /FROM ldiagpointdef
+ xmark 0 ldiagprevious /TO ldiagpointdef
+} def
+
+% points of a polygon around base with given no of sides, vert init angle:
+% <sides> <angle> ldiagpolygon <point> ... <point>
+/ldiagpolygon
+{ exch round cvi exch
+ xsize ysize 0.5 ldiagpmul /CTR ldiagpointdef
+ 90 sub CTR 2 copy ldiagmax 5 3 roll
+ [ 4 copy pop /ldiagpolycircum cvx ] ldiagcircumdef
+ exch dup 360 exch div exch
+ 1 1 3 2 roll
+ { 4 string cvs (P) exch ldiagconcat
+ 3 copy exch pop (@ANGLE) ldiagconcat cvn exch 90 add exch ldiagangledef
+ cvn 6 copy pop pop ldiagatangle 2 copy 10 2 roll
+ 3 2 roll ldiagpointdef
+ dup 3 1 roll add exch
+ } for
+ pop ldiagatangle
+} def
+
+% shape and labels of the @Isosceles triangle symbol
+/ldiagisosceles
+{
+ xsize ysize 0.5 ldiagpmul /CTR ldiagpointdef
+ 0 0 /SW ldiagpointdef
+ xsize 0 /SE ldiagpointdef
+ xsize 0.5 mul ysize /N ldiagpointdef
+ xsize 0.5 mul 0 /S ldiagpointdef
+ SE 0.5 ldiagpmul N 0.5 ldiagpmul ldiagpadd /NE ldiagpointdef
+ SW 0.5 ldiagpmul N 0.5 ldiagpmul ldiagpadd /NW ldiagpointdef
+
+ [ xsize ysize /ldiagisoscelescircum cvx ] ldiagcircumdef
+
+ 0 dg /SW@ANGLE ldiagangledef
+ 0 dg /SE@ANGLE ldiagangledef
+ 180 dg /N@ANGLE ldiagangledef
+ 0 dg /S@ANGLE ldiagangledef
+ SE N ldiagangleto /NE@ANGLE ldiagangledef
+ N SW ldiagangleto /NW@ANGLE ldiagangledef
+
+ SW SE N SW
+} def
+
+% next array element: <array> <index> ldiaggetnext <array> <index> <any> true
+% or <array> <index> false
+/ldiaggetnext
+{ 2 copy exch length ge
+ { false }
+ { 2 copy get exch 1 add exch true } ifelse
+} def
+
+% check whether thing is number: <any> ldiagisnumbertype <any> <bool>
+/ldiagisnumbertype
+{ dup type dup
+ /integertype eq exch /realtype eq or
+} def
+
+% check whether thing is an array: <any> ldiagisarraytype <any> <bool>
+/ldiagisarraytype { dup type /arraytype eq } def
+
+% check whether thing is an array: <any> ldiagisnametype <any> <bool>
+/ldiagisnametype { dup type /nametype eq } def
+
+% get next item: <array> <index> ldiaggetnextitem <array> <index> 0
+% or <array> <index> <array> 1
+% or <array> <index> <point> 2
+/ldiaggetnextitem
+{ ldiaggetnext
+ { ldiagisarraytype
+ { 1
+ }
+ { ldiagisnumbertype
+ { 3 1 roll
+ ldiaggetnext
+ { ldiagisnumbertype
+ { 4 3 roll exch 2
+ }
+ { pop 3 2 roll pop 0
+ } ifelse
+ }
+ { 3 2 roll pop 0
+ } ifelse
+ }
+ { pop 0
+ } ifelse
+ } ifelse
+ }
+ { 0
+ } ifelse
+} def
+
+% approximate equality: num1 num2 approxeq <boolean>
+/approxeq
+{ dup 0 eq
+ { pop 0 eq
+ }
+ { dup 3 1 roll sub exch div abs 0.001 lt
+ } ifelse
+} def
+
+% set arc path: bool x1 y1 x2 y2 x0 y0 ldiagsetarc <angle> <angle> <dist>
+% the path goes from x1 y1 to x2 y2 about centre x0 y0,
+% anticlockwise if bool is true else clockwise.
+% The orientations of backwards pointing and forwards pointing
+% arrowheads are returned in the two angles, and
+% the length of the arc is returned in <dist>.
+/ldiagsetarc
+{
+ % (Entering ldiagsetarc) 7 ldiagdebugprint
+ 20 dict begin
+ matrix currentmatrix 8 1 roll
+ 2 copy translate 2 copy 8 2 roll
+ 4 2 roll ldiagpsub 6 2 roll ldiagpsub
+ dup /y1 exch def dup mul /y1s exch def
+ dup /x1 exch def dup mul /x1s exch def
+ dup /y2 exch def dup mul /y2s exch def
+ dup /x2 exch def dup mul /x2s exch def
+ /dist1 0 0 x1 y1 ldiagdistance def
+ /dist2 0 0 x2 y2 ldiagdistance def
+
+ y1s y2s approxeq
+ { -1
+ }
+ { y1s x2s mul y2s x1s mul sub y1s y2s sub div
+ } ifelse
+ /da exch def
+
+ x1s x2s approxeq
+ { -1
+ }
+ { x1s y2s mul x2s y1s mul sub x1s x2s sub div
+ } ifelse
+ /db exch def
+
+ da 0 gt db 0 gt and
+ {
+ % ( case 1, ellipse) 0 ldiagdebugprint
+ /LMax da sqrt db sqrt ldiagmax def
+ /scalex da sqrt LMax div def
+ /scaley db sqrt LMax div def
+ scalex scaley scale
+ 0 0 LMax
+ 0 0 x1 scalex mul y1 scaley mul ldiagangleto
+ 0 0 x2 scalex mul y2 scaley mul ldiagangleto
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ dup sin scaley mul exch cos scalex mul atan
+ 5 2 roll % res1 res2 ang1 ang2 anticlockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if ldiagpi mul LMax mul 180 div
+ }
+ {
+ dist1 dist2 approxeq
+ % x1 y1 dist1 ( x1 y1, d) 3 ldiagdebugprint pop pop pop
+ % x2 y2 dist2 ( x2 y2, d) 3 ldiagdebugprint pop pop pop
+ {
+ % ( case 2, circle) 0 ldiagdebugprint
+ 0 0
+ dist1
+ 0 0 x1 y1 ldiagangleto
+ 0 0 x2 y2 ldiagangleto
+ 2 copy eq { 360 add } if
+ 2 copy 8 2 roll
+ 5 index { arc } { arcn } ifelse
+ 2 index 1 index
+ { 90 sub } { 90 add } ifelse
+ 2 index 2 index
+ { 90 add } { 90 sub } ifelse
+ 5 2 roll % res1 res2 ang1 ang2 clockwise
+ { exch sub } { sub } ifelse
+ dup 0 le { 360 add } if
+ ldiagpi mul dist1 mul 180 div
+ }
+ {
+ % ( case 3, line) 0 ldiagdebugprint
+ x2 y2 lineto pop
+ x2 y2 x1 y1 ldiagangleto
+ x1 y1 x2 y2 ldiagangleto
+ x1 y1 x2 y2 ldiagdistance
+ } ifelse
+ } ifelse
+ 4 -1 roll setmatrix
+ end
+ % (Leaving ldiagsetarc) 3 ldiagdebugprint
+} def
+
+% ldiagsetcurve: set up a Bezier curve from x0 y0 to x3 y3
+% and return arrowhead angles and length of curve (actually 0)
+% x0 y0 x1 y1 x2 y2 x3 y3 ldiagsetcurve <angle> <angle> <length>
+/ldiagsetcurve
+{ 8 copy curveto pop pop
+ ldiagangleto
+ 5 1 roll
+ 4 2 roll ldiagangleto
+ exch
+ 0
+} def
+
+% ldiagsetpath: convert a Diag path into a PostScript path
+% [ shape ] ldiagsetpath
+/ldiagsetpath
+{
+ 10 dict begin
+ 0 newpath
+ /prevseen false def
+ /curveseen false def
+ { ldiaggetnextitem
+ dup 0 eq { pop exit }
+ { 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /curveseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr
+ ldiagsetcurve pop pop pop
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ ldiagsetarc pop pop pop
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ } ifelse
+ }
+ { xcurr ycurr moveto
+ } ifelse
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop pop pop
+ end
+} def
+
+% ldiagpaintpath: paint a path of the given shape
+% /paint [ shape ] ldiagpaintpath -
+/ldiagpaintpath
+{
+ ldiagsetpath cvx exec
+} def
+
+% stroke a path of the given shape in the given linestyle and dash length.
+% Return the origin and angle of the backward and forward arrow heads.
+% dashlength /linestyle [shape] ldiagdopath [<point> <angle>] [<point> <angle>]
+/ldiagdopath
+{
+ 10 dict begin
+ 0
+ /prevseen false def
+ /curveseen false def
+ /backarrow [] def
+ /fwdarrow [] def
+ {
+ ldiaggetnextitem
+ dup 0 eq { pop exit }
+ {
+ 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /prevseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { newpath xprev yprev moveto
+ curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr ldiagsetcurve
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ ldiagsetarc
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ xcurr ycurr xprev yprev ldiagangleto dup 180 sub
+ xprev yprev xcurr ycurr ldiagdistance
+ } ifelse
+ 6 index 6 index cvx exec
+ [ xprev yprev 5 -1 roll ]
+ backarrow length 0 eq
+ { /backarrow exch def }
+ { pop } ifelse
+ [ xcurr ycurr 4 -1 roll ] /fwdarrow exch def
+ } if
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop
+ pop pop pop pop
+ backarrow length 0 eq { [ 0 0 0 ] } { backarrow } ifelse
+ fwdarrow length 0 eq { [ 0 0 0 ] } { fwdarrow } ifelse
+ end
+} def
+
+
+% stroke a path of the given shape in the given linestyle and dash length.
+% dashlength [ /linestyle ] [shape] ldiagdosegpath -
+/ldiagdosegpath
+{
+ 12 dict begin
+ 1 index /seg exch def
+ 1 index length /seglength exch def
+ 0 /segcount exch def
+ 0
+ /prevseen false def
+ /curveseen false def
+ /backarrow [] def
+ /fwdarrow [] def
+ {
+ ldiaggetnextitem
+ dup 0 eq { pop exit }
+ {
+ 1 eq
+ { /curveseen true def
+ /curve exch def
+ curve length 0 eq { /prevseen false def } if
+ }
+ { /ycurr exch def
+ /xcurr exch def
+ prevseen
+ { newpath xprev yprev moveto
+ curveseen
+ { curve length 4 eq
+ { xprev yprev
+ curve 0 get curve 1 get
+ curve 2 get curve 3 get
+ xcurr ycurr ldiagsetcurve
+ }
+ { xprev yprev xcurr ycurr
+ curve length 1 ge { curve 0 get } { 0 } ifelse
+ curve length 2 ge { curve 1 get } { 0 } ifelse
+ curve length 3 ge { curve 2 get } { true } ifelse
+ 7 1 roll
+ ldiagsetarc
+ } ifelse
+ }
+ { xcurr ycurr lineto
+ xcurr ycurr xprev yprev ldiagangleto dup 180 sub
+ xprev yprev xcurr ycurr ldiagdistance
+ } ifelse
+ 6 index seg segcount seglength mod get cvx exec
+ /segcount segcount 1 add def
+ [ xprev yprev 5 -1 roll ]
+ backarrow length 0 eq
+ { /backarrow exch def }
+ { pop } ifelse
+ [ xcurr ycurr 4 -1 roll ] /fwdarrow exch def
+ } if
+ /xprev xcurr def
+ /yprev ycurr def
+ /prevseen true def
+ /curveseen false def
+ } ifelse
+ } ifelse
+ } loop
+ pop pop pop pop
+ end
+} def
+
+% ldiagnodebegin: start of node parameters
+% ldiagnodebegin -
+/ldiagnodebegin
+{ % (Entering ldiagnodebegin) 0 ldiagdebugprint
+ ldiagmaxlabels dict begin
+} def
+
+% ldiagnodeend: end of node parameters (so do the node)
+% <outline> <dashlength> <style> <linewidth> <paint> ldiagnodeend -
+/ldiagnodeend
+{
+ % (Entering ldiagnodeend) 0 ldiagdebugprint
+ end % matches begin in ldiagnodebegin
+ 4 index gsave ldiagpaintpath grestore
+ 3 index ldiagsetpath clip newpath
+ 2 mul setlinewidth
+ 3 -1 roll ldiagdosegpath
+ % (Leaving ldiagnodeend) 0 ldiagdebugprint
+} def
+
+% ldiaglinkbegin: start of link parameters
+% <direct> ldiaglinkbegin -
+/ldiaglinkbegin
+{ ldiagmaxlabels dict begin
+ 1 eq /direct exch def
+} def
+
+% ldiaglinkend: end of link parameters (so do the link)
+% <outline> <dashlength> <style> <linewidth> ldiaglinkend -
+/ldiaglinkend
+{
+ end % matches begin in ldiaglinkbegin
+ setlinewidth
+ 3 -1 roll ldiagdosegpath
+} def
+
+% ldiagdoarrow: draw an arrow head of given form
+% dashlength /lstyle /pstyle hfrac height width [ <point> <angle> ] ldiagdoarrow -
+/ldiagdoarrow
+{ matrix currentmatrix 8 1 roll
+ dup 0 get 1 index 1 get translate
+ 2 get rotate
+ [ 2 index neg 2 index 0 0
+ 3 index 3 index neg
+ 1 index 10 index mul 0
+ 7 index 7 index ]
+ 4 1 roll pop pop pop
+ dup 3 1 roll
+ gsave ldiagpaintpath grestore ldiagdopath pop pop
+ setmatrix
+} def
+
+% arrow head styles
+/ldiagopen 0.0 def
+/ldiaghalfopen 0.5 def
+/ldiagclosed 1.0 def
+
+% stroke no arrows, forward, back, and both
+/ldiagnoarrow { pop pop pop pop pop pop pop pop } def
+/ldiagforward { 7 -1 roll ldiagdoarrow pop } def
+/ldiagback { 8 -2 roll pop ldiagdoarrow } def
+/ldiagboth { 8 -1 roll 7 copy ldiagdoarrow pop 7 -1 roll ldiagdoarrow } def
+
+% ldiagprevious: return previous point on path
+/ldiagprevious
+{ ldiagisnumbertype
+ { 2 copy }
+ { ldiagisarraytype
+ { 2 index 2 index }
+ { 0 0 }
+ ifelse
+ } ifelse
+} def
+
+% Tag dictionary operators
+%
+% Diag's tag dictionaries are kept on the same stack as other dictionaries,
+% since there is nowhere else to put them. However, they are managed like
+% a separate stack using the following operators:
+%
+% <tag> ldiagpushtagdict - Push a new, empty tag dictionary
+% ldiagtoptagdict dict Find the top tag dictionary
+% ldiagpoptagdict - Pop and destroy the top tag dictionary
+% ldiagpopuptagdict - Pop top tag dict and promote its entries
+% ldiagdebugtagdict - Debug print of dictionary stack
+%
+% They are distinguished from other dictionaries by containing /ldiagtagdict,
+% whose value is the <tag> which is used by ldiagpopuptagdict,
+% and they are hopefully never the target of any non-tag definition because
+% they are never the top dictionary, since push places the new dict second.
+
+/ldiagpushtagdict
+{ ldiagmaxlabels dict dup
+ currentdict end exch begin begin
+ exch /ldiagtagdict exch put
+} def
+
+/ldiagtoptagdict
+{ /ldiagtagdict where not
+ { (Diag internal error: no tag dictionary) show stop
+ } if
+} def
+
+/ldiagpoptagdict
+{
+ % (Entering poptagdict) 0 ldiagdebugprint
+ % ldiagdebugtagdict
+ mark
+ { currentdict end
+ dup /ldiagtagdict known
+ { exit
+ } if
+ } loop
+ pop
+ counttomark
+ { begin
+ } repeat
+ pop
+ % (Leaving poptagdict) 0 ldiagdebugprint
+ % ldiagdebugtagdict
+} def
+
+% promote labels from top tag dictionary to second top tag dictionary
+% each prefixed by <string>@ if <string> (value of /ldiagtagdict) is not empty
+% - ldiagpopuptagdict -
+/ldiagpopuptagdict
+{
+ ldiagtagdict
+ % (Entering ldiagpopuptagdict) 1 ldiagdebugprint
+ % ldiagdebugtagdict
+ ldiagtoptagdict ldiagpoptagdict ldiagtoptagdict exch
+ { exch 50 string cvs 3 index
+ dup length 0 ne
+ { (@) ldiagconcat
+ } if
+ exch ldiagconcat cvn exch 2 index 3 1 roll put
+ } forall
+ pop pop
+ % (Leaving ldiagpopuptagdict) 0 ldiagdebugprint
+ % ldiagdebugtagdict
+} def
+
+% debug tag dictionary stack
+/ldiagdebugtagdict
+{ (Entering ldiagdebugtagdict) 0 ldiagdebugprint
+ 30 array dictstack
+ { dup /ldiagtagdict known
+ { dup /ldiagtagdict get 0 ldiagdebugprint
+ { pop 50 string cvs ( ) exch ldiagconcat
+ dup 0 ldiagdebugprint
+ pop
+ }
+ forall
+ }
+ { pop (other) 0 ldiagdebugprint
+ } ifelse
+ } forall
+ (Leaving ldiagdebugtagdict) 0 ldiagdebugprint
+} def
+
+% label a point in top tag dictionary: <point> /name ldiagpointdef -
+/ldiagpointdef
+{
+ % (Entering ldiagpointdef) 3 ldiagdebugprint
+ [ 4 2 roll transform /itransform cvx ] cvx
+ ldiagtoptagdict 3 1 roll put
+ % (Leaving ldiagpointdef) 0 ldiagdebugprint
+} def
+
+% label an angle in top tag dictionary: <angle> /name ldiagangledef -
+/ldiagangledef
+{
+ % (Entering ldiagangledef) 2 ldiagdebugprint
+ exch ldiagfixangle ldiagtoptagdict 3 1 roll put
+ % (Leaving ldiagangledef) 0 ldiagdebugprint
+} def
+
+% add CIRCUM operator with this body: <array> ldiagcircumdef -
+/ldiagcircumdef
+{ % (Entering ldiagcircumdef) 1 ldiagdebugprint
+ /CIRCUM exch cvx
+ ldiagtoptagdict 3 1 roll put
+ % currentdict end
+ % 3 1 roll
+ % def
+ % begin
+ % (Leaving ldiagcircumdef) 0 ldiagdebugprint
+} def
+
+% show points (except CIRCUM and ANGLE): - ldiagshowpoints -
+/ldiagshowpoints
+{
+ % (Entering ldiagshowpoints) 0 ldiagdebugprint
+ ldiagtoptagdict
+ { 1 index 50 string cvs
+ (ldiagdebugpos) search
+ { pop pop pop pop pop }
+ {
+ (CIRCUM) search % if CIRCUM in key
+ { pop pop pop pop pop }
+ {
+ (ANGLE) search % if ANGLE in key
+ {
+ pop pop pop pop pop
+ }
+ {
+ (ldiagtagdict) search
+ {
+ pop pop pop pop pop
+ }
+ {
+ pop cvx exec
+ newpath 2.0 pt 0 360 arc 0 setgray fill pop
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ } forall
+ % (Leaving ldiagshowpoints) 0 ldiagdebugprint
+} def
+
+
+/ldiagshowtags
+{
+ % (Entering ldiagshowtags) 0 ldiagdebugprint
+ ldiagtoptagdict
+ { 1 index 50 string cvs
+ % dup 0 ldiagdebugprint
+ (ldiagdebugpos) search
+ { pop pop pop pop pop }
+ {
+ (CIRCUM) search % if CIRCUM in key
+ { pop pop pop pop pop }
+ {
+ (ANGLE) search % if ANGLE in key
+ {
+ pop pop pop pop pop
+ }
+ {
+ (ldiagtagdict) search
+ {
+ pop pop pop pop pop
+ }
+ {
+ pop cvx exec 2 copy
+ gsave
+ newpath 2.0 pt 0 360 arc 0 setgray fill
+ /Times-Roman findfont 8 pt scalefont setfont
+ translate 40 rotate 0.2 cm 0.1 cm moveto 20 string cvs show
+ grestore
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ } forall
+ % (Leaving ldiagshowtags) 0 ldiagdebugprint
+} def
+
+
+% show angles: - ldiagshowangles -
+/ldiagshowangles
+{
+ % (Entering ldiagshowangles) 0 ldiagdebugprint
+ ldiagtoptagdict
+ { 1 index 20 string cvs
+ % dup 0 ldiagdebugprint
+ (ldiagdebugpos) search
+ { pop pop pop pop pop }
+ {
+ (ldiagtagdict) search
+ {
+ pop pop pop pop pop
+ }
+ {
+ (CIRCUM) search % if CIRCUM in key
+ { pop pop pop pop pop }
+ {
+ (@ANGLE) search % if ANGLE in key, draw the angle at the point
+ {
+ % (showing ANGLE) 5 ldiagdebugprint
+ gsave exch pop exch pop cvx
+ % (about to execute) 1 ldiagdebugprint
+ exec translate rotate 0.8 0.8 scale pop
+ newpath 0 0 2.0 pt 0 360 arc 0 setgray fill
+ newpath 4 pt 0 moveto 9 pt 0 lineto
+ 9 pt 1.5 pt lineto 11 pt 0 lineto 9 pt -1.5 pt lineto
+ 9 pt 0 lineto [] 0 setdash 4 pt setlinewidth 0 setlinejoin
+ stroke grestore
+ % (finished ANGLE) 5 ldiagdebugprint
+ }
+ {
+ % else must be a point, we aren't showing those
+ pop pop pop
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ } forall
+ % (Leaving ldiagshowangles) 0 ldiagdebugprint
+} def
+
+% fix an angle to 0 <= res < 360: <angle> ldiagfixangle <angle>
+/ldiagfixangle
+{
+ % (Entering ldiagfixangle) 1 ldiagdebugprint
+ { dup 0 ge { exit } if
+ 360 add
+ } loop
+ { dup 360 lt { exit } if
+ 360 sub
+ } loop
+ % (Leaving ldiagfixangle) 1 ldiagdebugprint
+} def
+
+% find point on circumference of box: alpha a b ldiagboxcircum x y
+/ldiagboxcircum
+{
+ % (Entering ldiagboxcircum) 3 ldiagdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ ldiagfixangle /alpha exch def
+ 0 0 a b ldiagangleto /theta exch def
+
+ % if alpha <= theta, return (a, a*tan(alpha))
+ alpha theta le
+ { a a alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 180 - theta, return (b*cot(alpha), b)
+ alpha 180 theta sub le
+ { b alpha cos mul alpha sin div b }
+ {
+ % else if alpha <= 180 + theta, return (-a, -a*tan(alpha))
+ alpha 180 theta add le
+ { a neg a neg alpha sin mul alpha cos div }
+ {
+ % else if alpha <= 360 - theta, return (-b*cot(alpha), -b)
+ alpha 360 theta sub le
+ { b neg alpha cos mul alpha sin div b neg }
+ {
+ % else 360 - theta <= alpha, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving ldiagboxcircum) 2 ldiagdebugprint
+} def
+
+% find quadratic roots (assume a != 0): a b c ldiagqroots x1 x2 2
+% or x2 1
+% or 0
+/ldiagqroots
+{
+ 4 dict begin
+ /c exch def
+ /b exch def
+ /a exch def
+ /disc b b mul 4 a c mul mul sub def
+ disc 0 lt
+ { 0
+ }
+ { disc 0 eq
+ { b neg 2 a mul div
+ 1
+ }
+ { b neg disc sqrt add 2 a mul div
+ b neg disc sqrt sub 2 a mul div
+ 2
+ }
+ ifelse
+ }
+ ifelse
+ end
+} def
+
+% work our which quadrant: <angle> ldiagquadrant <0-3>
+/ldiagquadrant
+{ dup 90 lt
+ { pop 0
+ }
+ { dup 180 lt
+ { pop 1
+ }
+ { 270 lt
+ { 2
+ }
+ { 3
+ } ifelse
+ } ifelse
+ } ifelse
+} def
+
+% find curvebox circum, assuming upper right quadrant: alpha a b xmk ldiagcb x y
+/ldiagcb
+{
+ 6 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ /alpha exch def
+ /theta1 0 0 a b xmk sub ldiagangleto def
+ /theta2 0 0 a xmk sub b ldiagangleto def
+ alpha theta1 le
+ { % if alpha <= theta1, return (a, a*tan(alpha))
+ a a alpha sin mul alpha cos div
+ }
+ { alpha theta2 ge
+ { % else if alpha > theta2, return (b*cot(alpha), b)
+ b alpha cos mul alpha sin div b
+ }
+ {
+ % else, return the intersection of line and circle
+ a xmk sub b xmk sub xmk 0 0 alpha ldiagcircleintersect
+ dup 0 eq
+ { % should never happen, just return any reasonable point
+ pop
+ a b 0.5 ldiagpmul
+ }
+ { 1 eq
+ { % should never happen, just return the point on top of stack
+ }
+ { % the usual case, two points on stack, return the larger
+ ldiagpmax
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+} def
+
+% find point on circumference of curvebox: alpha a b xmk ldiagcurveboxcircum x y
+/ldiagcurveboxcircum
+{
+ % (Entering ldiagcurveboxcircum) 4 ldiagdebugprint
+ 5 dict begin
+ /xmk exch def
+ /b exch def
+ /a exch def
+ ldiagfixangle /alpha exch def
+
+ % work out which quadrant we are in, and reflect accordingly
+ /quad alpha ldiagquadrant def
+ quad 0 eq
+ { alpha a b xmk ldiagcb
+ }
+ { quad 1 eq
+ { 180 alpha sub a b xmk ldiagcb exch neg exch
+ }
+ { quad 2 eq
+ { alpha 180 sub a b xmk ldiagcb neg exch neg exch
+ }
+ { 360 alpha sub a b xmk ldiagcb neg
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving ldiagcurveboxcircum) 2 ldiagdebugprint
+} def
+
+% find point on circumference of diamond: alpha a b ldiagdiamondcircum x y
+/ldiagdiamondcircum
+{
+ % (Entering ldiagdiamondcircum) 3 ldiagdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ ldiagfixangle /alpha exch def
+ b alpha cos abs mul a alpha sin abs mul add /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving ldiagdiamondcircum) 2 ldiagdebugprint
+} def
+
+% find point on circumference of ellipse: alpha a b ldiagellipsecircum x y
+/ldiagellipsecircum
+{
+ % (Entering ldiagellipsecircum) 3 ldiagdebugprint
+ 4 dict begin
+ /b exch def
+ /a exch def
+ ldiagfixangle /alpha exch def
+ b alpha cos mul dup mul a alpha sin mul dup mul add sqrt /denom exch def
+ a b mul alpha cos mul denom div
+ a b mul alpha sin mul denom div
+ end
+ % (Leaving ldiagellipsecircum) 2 ldiagdebugprint
+} def
+
+% find point on circumference of isosceles: alpha a b ldiagisoscelescircum x y
+/ldiagisoscelescircum
+{
+ % (Entering ldiagisoscelescircum) 3 ldiagdebugprint
+ 7 dict begin
+ /b exch def
+ /a exch def
+ /alpha exch ldiagfixangle def
+ /theta1 90 def
+ /theta2 a b 0.5 ldiagpmul 0 0 ldiagangleto def
+ /theta3 a b 0.5 ldiagpmul a 0 ldiagangleto def
+ alpha theta1 ge alpha theta2 le and
+ { 0 0 a 2 div b
+ }
+ { alpha theta2 ge alpha theta3 le and
+ { 0 0 a 0
+ }
+ { a 0 a 2 div b
+ } ifelse
+ } ifelse
+ a 2 div b 2 div 2 copy 1 ft alpha ldiagatangle ldiaglineintersect
+ a 2 div b 2 div 4 2 roll ldiagpsub
+ end
+ % (Leaving ldiagisoscelescircum) 2 ldiagdebugprint
+} def
+
+% find point of intersection of two lines each defined by two points
+% x1 y1 x2 y2 x3 y3 x4 y4 ldiaglineintersect x y
+/ldiaglineintersect
+{
+ % (Entering ldiaglineintersect) 8 ldiagdebugprint
+ 13 dict begin
+ /y4 exch def
+ /x4 exch def
+ /y3 exch def
+ /x3 exch def
+ /y2 exch def
+ /x2 exch def
+ /y1 exch def
+ /x1 exch def
+ x2 x1 sub /x21 exch def
+ x4 x3 sub /x43 exch def
+ y2 y1 sub /y21 exch def
+ y4 y3 sub /y43 exch def
+ y21 x43 mul y43 x21 mul sub /det exch def
+
+ % calculate x
+ y21 x43 mul x1 mul
+ y43 x21 mul x3 mul sub
+ y3 y1 sub x21 mul x43 mul add
+ det div
+
+ % calculate y
+ x21 y43 mul y1 mul
+ x43 y21 mul y3 mul sub
+ x3 x1 sub y21 mul y43 mul add
+ det neg div
+
+ end
+ % (Leaving ldiaglineintersect) 2 ldiagdebugprint
+} def
+
+% find point on circumference of polygon
+% alpha radius num theta ldiagpolycircum x y
+/ldiagpolycircum
+{
+ % (Entering ldiagpolycircum) 4 ldiagdebugprint
+ 13 dict begin
+ /theta exch def
+ /num exch def
+ /radius exch def
+ /alpha exch def
+
+ % calculate delta, the angle from theta to alpha
+ alpha theta sub ldiagfixangle
+
+ % calculate the angle which is the multiple of 360/num closest to delta
+ 360 num div div truncate 360 num div mul theta add /anglea exch def
+
+ % calculate the next multiple of 360/num after anglea
+ anglea 360 num div add /angleb exch def
+
+ % intersect the line through these two points with the alpha line
+ anglea cos anglea sin angleb cos angleb sin
+ 0 0 alpha cos 2 mul alpha sin 2 mul
+ ldiaglineintersect radius ldiagpmul
+
+ end
+ % (Leaving ldiagpolycircum) 2 ldiagdebugprint
+} def
+
+% find point of intersection of a line and a circle
+% x0 y0 r x1 y1 theta ldiagcircleintersect xa ya xb yb 2
+% or xb yb 1
+% or 0
+/ldiagcircleintersect
+{
+ % (Entering ldiagcircleintersect) 6 ldiagdebugprint
+ 15 dict begin
+ /theta exch def
+ /y1 exch def
+ /x1 exch def
+ /r exch def
+ /y0 exch def
+ /x0 exch def
+
+ % if sin(theta) = 0 then line is horizontal and y must be y1
+ theta sin abs 0.00001 lt
+ {
+ /a 1 def
+ /b -2 x0 mul def
+ /c x0 dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c ldiagqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 1
+ }
+ { y1 exch y1 2
+ } ifelse
+ } ifelse
+ }
+ {
+ /ct theta cos theta sin div def
+ /a ct ct mul 1 add def
+ /b ct x1 x0 sub mul y1 add y0 sub 2 mul def
+ /c x1 x0 sub dup mul y1 y0 sub dup mul add r dup mul sub def
+ a b c ldiagqroots dup
+ 0 eq
+ { pop
+ 0
+ }
+ { 1 eq
+ { y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xb yb 1
+ }
+ { y1 add /ya exch def
+ ya y1 sub ct mul x1 add /xa exch def
+ y1 add /yb exch def
+ yb y1 sub ct mul x1 add /xb exch def
+ xa ya xb yb 2
+ } ifelse
+ } ifelse
+ } ifelse
+ end
+ % (Leaving ldiagcircleintersect) 1 ldiagdebugprint
+} def
+
+% find line which is the perpendicular bisector of two points, defined
+% by two points
+% x1 y1 x2 y2 ldiaglinebetween x3 y3 x4 y4
+/ldiaglinebetween
+{ % (Entering ldiaglinebetween) 4 ldiagdebugprint
+ /y2 exch def /x2 exch def
+ /y1 exch def /x1 exch def
+
+ % let x3, y3 be the point halfway between the two points
+ x1 y1 x2 y2 ldiagpadd 0.5 ldiagpmul
+ /y3 exch def /x3 exch def
+
+ % find a point perpendicular to x3, y3
+ x3 y3 50 x1 y1 x2 y2 ldiagangleto 90 dg add ldiagatangle
+
+ % plus x3 y3 gives the two points
+ x3 y3
+
+ % (Leaving ldiaglinebetween) 4 ldiagdebugprint
+} def
+
+% find <proc>@<string>: <proc> <string> ldiagfindlabel <any> true
+% <proc> <string> false
+/ldiagfindlabel
+{
+ % (Entering ldiagfindlabel) 2 ldiagdebugprint
+ exch dup length 1 ne
+ { exch false
+ % (Leaving ldiagfindabel (length not 1)) 3 ldiagdebugprint
+ }
+ { dup 0 get type /nametype ne
+ { exch false
+ % (Leaving ldiagfindabel (not a name)) 3 ldiagdebugprint
+ }
+ { dup 0 get 50 string cvs (@) ldiagconcat 2 index ldiagconcat dup where
+ { exch get exch pop exch pop cvx exec true
+ % (Leaving ldiagfindlabel with success) 100 ldiagdebugprint
+ }
+ {
+ pop exch false
+ % (Leaving ldiagfindabel (concat not sensible)) 3 ldiagdebugprint
+ } ifelse
+ } ifelse
+ } ifelse
+} bind def
+
+% execute <proc>@<string> or else default: <proc> <string> ldiagdolabel <various>
+/ldiagdolabel
+{
+ % (Entering ldiagdolabel) 2 ldiagdebugprint
+ ldiagfindlabel not
+ {
+ dup (CIRCUM) eq
+ { pop pop pop 0 0
+ }
+ {
+ dup (ANGLE) eq
+ { pop pop 0
+ }
+ { pop cvx exec
+ } ifelse
+ } ifelse
+ } if
+ % (Leaving ldiagdolabel) 2 ldiagdebugprint
+} bind def
+
+% execute a proc depending on whether number is negative, zero, or positive
+% procneg proczero procpos number ldiagsigncase <anything>
+/ldiagsigncase
+{
+ % (Entering ldiagsigncase) 4 ldiagdebugprint
+ dup 0 lt
+ { pop pop pop exec
+ }
+ { 0 gt
+ { exch pop exch pop exec
+ }
+ { pop exch pop exec
+ } ifelse
+ } ifelse
+ % (Leaving ldiagsigncase) 0 ldiagdebugprint
+} bind def
+
+% execute proci if angle is in ith quadrant
+% proc45 proc270 proc180 proc90 proc0 proc315 proc225 proc135 angle ldiagquadcase <anything>
+/ldiagquadcase
+{
+ % (Entering ldiagquadcase) 9 ldiagdebugprint
+ round ldiagfixangle cvi dup 90 mod 0 eq
+ { 90 idiv 4 add } { 90 idiv } ifelse
+ 8 exch roll pop pop pop pop pop pop pop exec
+ % (Leaving ldiagquadcase) 0 ldiagdebugprint
+} bind def
+
+% decode Lout length into PostScript length
+% <string> ldiagdecodelength <number>
+/ldiagdecodelength
+{
+ % (Entering ldiagdecodelength) 1 ldiagdebugprint
+ (f) search
+ { exch pop exch pop cvr ft
+ }
+ { (c) search
+ { exch pop exch pop cvr cm
+ }
+ { (p) search
+ { exch pop exch pop cvr pt
+ }
+ { (m) search
+ { exch pop exch pop cvr em
+ }
+ { (s) search
+ { exch pop exch pop cvr sp
+ }
+ { (v) search
+ { exch pop exch pop cvr vs
+ }
+ { (i) search
+ { exch pop exch pop cvr in
+ }
+ { pop 0
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ } ifelse
+ % (Leaving ldiagdecodelength) 1 ldiagdebugprint
+} def
+
+% implement aabout function
+% logical form: <circum> <extra> <centre> aabout <point>
+% actual form: { <labelorpoint> } cvlit <length> [ <point> ] cvx aabout <point>
+/ldiagaabout
+{
+ /centre exch def
+ /extra exch def
+ /circum exch def
+
+ /ZXCTR [ centre ] cvx def
+ /ZFCTR [ circum (CTR) ldiagdolabel ] cvx def
+ /ZAREF ZFCTR ZXCTR ldiagangleto def
+ /ZAMIN 0 dg def
+ /ZPMIN [ circum (CTR) ldiagdolabel ZAREF ZAMIN sub
+ circum (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 extra ZAREF ZAMIN sub ldiagatangle
+ ldiagpadd ] cvx def
+
+ /ZAMAX 90 dg def
+ /ZPMAX [ circum (CTR) ldiagdolabel ZAREF ZAMAX sub
+ circum (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 extra ZAREF ZAMAX sub ldiagatangle
+ ldiagpadd ] cvx def
+
+ 1 1 20
+ { /xval exch def
+ /ZAMID ZAMIN ZAMAX add 0.5 mul def
+ /ZPMID [ circum (CTR) ldiagdolabel ZAREF ZAMID sub
+ circum (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 extra ZAREF ZAMID sub ldiagatangle
+ ldiagpadd ] cvx def
+ ZPMID ZXCTR ldiagdistance ZFCTR ZXCTR ldiagdistance gt
+ {
+ /ZAMAX [ ZAMID ] cvx def
+ /ZPMAX [ ZPMID ] cvx def
+ }
+ {
+ /ZAMIN [ ZAMID ] cvx def
+ /ZPMIN [ ZPMID ] cvx def
+ } ifelse
+ } for
+ ZPMID
+} def
+
+% implement cabout function
+% logical form: <circum> <extra> <centre> cabout <point>
+% actual form: { <labelorpoint> } cvlit <length> [ <point> ] cvx cabout <point>
+/ldiagcabout
+{
+ /centre exch def
+ /extra exch def
+ /circum exch def
+
+ /ZXCTR [ centre ] cvx def
+ /ZFCTR [ circum (CTR) ldiagdolabel ] cvx def
+ /ZAREF ZFCTR ZXCTR ldiagangleto def
+ /ZAMIN 0 dg def
+ /ZPMIN [ circum (CTR) ldiagdolabel ZAREF ZAMIN add
+ circum (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 extra ZAREF ZAMIN add ldiagatangle
+ ldiagpadd ] cvx def
+
+ /ZAMAX 90 dg def
+ /ZPMAX [ circum (CTR) ldiagdolabel ZAREF ZAMAX add
+ circum (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 extra ZAREF ZAMAX add ldiagatangle
+ ldiagpadd ] cvx def
+
+ 1 1 20
+ { /xval exch def
+ /ZAMID ZAMIN ZAMAX add 0.5 mul def
+ /ZPMID [ circum (CTR) ldiagdolabel ZAREF ZAMID add
+ circum (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 extra ZAREF ZAMID add ldiagatangle
+ ldiagpadd ] cvx def
+ ZPMID ZXCTR ldiagdistance ZFCTR ZXCTR ldiagdistance gt
+ {
+ /ZAMAX [ ZAMID ] cvx def
+ /ZPMAX [ ZPMID ] cvx def
+ }
+ {
+ /ZAMIN [ ZAMID ] cvx def
+ /ZPMIN [ ZPMID ] cvx def
+ } ifelse
+ } for
+ ZPMID
+} def
+
+% fromarrowlength toarrowlength { from } { to } xindent zindent ldiaglinepath -
+/ldiaglinepath
+{
+ % (entering ldiaglinepath) 0 ldiagdebugprint
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ from (CTR) ldiagdolabel to (CTR) ldiagdolabel ldiagangleto
+ /FROM@ANGLE ldiagangledef
+ from (CTR) ldiagdolabel FROM@ANGLE from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength FROM@ANGLE ldiagatangle ldiagpadd
+ /FROM ldiagpointdef
+
+ FROM@ANGLE /TO@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel TO@ANGLE 180 dg sub to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength TO@ANGLE 180 dg sub ldiagatangle ldiagpadd /TO ldiagpointdef
+
+ FROM 0.5 ldiagpmul TO 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ FROM@ANGLE /LMID@ANGLE ldiagangledef
+
+ /XINDENT xindent FROM LMID ldiagdistance ldiagmin def
+ FROM 0 0 XINDENT FROM@ANGLE ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+
+ /ZINDENT zindent TO LMID ldiagdistance ldiagmin def
+ 0 0 ZINDENT FROM@ANGLE ldiagatangle TO ldiagpsub /LTO ldiagpointdef
+ FROM@ANGLE /LTO@ANGLE ldiagangledef
+
+ direct { FROM TO } { FROM LFROM LMID LTO TO } ifelse
+
+ % (leaving ldiaglinepath) 0 ldiagdebugprint
+} def
+
+% fromarrowlength toarrowlength { from } { to } xindent zindent pathgap ldiagdoublelinepath -
+/ldiagdoublelinepath
+{
+ % (entering ldiagdoublelinepath) 0 ldiagdebugprint
+ /pathgap exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ from (CTR) ldiagdolabel to (CTR) ldiagdolabel ldiagangleto
+ /FROM@ANGLE ldiagangledef
+ from (CTR) ldiagdolabel FROM@ANGLE from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength FROM@ANGLE ldiagatangle ldiagpadd
+ /FROM ldiagpointdef
+
+ FROM@ANGLE /TO@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel TO@ANGLE 180 dg sub to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength TO@ANGLE 180 dg sub ldiagatangle ldiagpadd /TO ldiagpointdef
+
+ FROM 0.5 ldiagpmul TO 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ FROM@ANGLE /LMID@ANGLE ldiagangledef
+
+ /XINDENT xindent FROM LMID ldiagdistance ldiagmin def
+ FROM 0 0 XINDENT FROM@ANGLE ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+
+ /ZINDENT zindent TO LMID ldiagdistance ldiagmin def
+ 0 0 ZINDENT FROM@ANGLE ldiagatangle TO ldiagpsub /LTO ldiagpointdef
+ FROM@ANGLE /LTO@ANGLE ldiagangledef
+
+ direct {
+ FROM pathgap 2 div FROM@ANGLE 90 dg sub ldiagatangle
+ TO pathgap 2 div FROM@ANGLE 90 dg sub ldiagatangle
+ []
+ FROM pathgap 2 div FROM@ANGLE 90 dg add ldiagatangle
+ TO pathgap 2 div FROM@ANGLE 90 dg add ldiagatangle
+ }
+ {
+ FROM pathgap 2 div FROM@ANGLE 90 dg sub ldiagatangle
+ LFROM pathgap 2 div FROM@ANGLE 90 dg sub ldiagatangle
+ LMID pathgap 2 div FROM@ANGLE 90 dg sub ldiagatangle
+ LTO pathgap 2 div FROM@ANGLE 90 dg sub ldiagatangle
+ TO pathgap 2 div FROM@ANGLE 90 dg sub ldiagatangle
+ []
+ FROM pathgap 2 div FROM@ANGLE 90 dg add ldiagatangle
+ LFROM pathgap 2 div FROM@ANGLE 90 dg add ldiagatangle
+ LMID pathgap 2 div FROM@ANGLE 90 dg add ldiagatangle
+ LTO pathgap 2 div FROM@ANGLE 90 dg add ldiagatangle
+ TO pathgap 2 div FROM@ANGLE 90 dg add ldiagatangle
+ } ifelse
+
+ % (leaving ldiagdoublelinepath) 0 ldiagdebugprint
+} def
+
+% fromarrowlen toarrowlen { from } { to } xindent zindent bias ldiagacurvepath -
+/ldiagacurvepath
+{
+ % (entering ldiagacurvepath) 0 ldiagdebugprint
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ %/B1 bias 0.02 ft ldiagmax def
+ %/B2 from (CTR) ldiagdolabel to (CTR) ldiagdolabel ldiagdistance 0.5 mul def
+ %/BIAS B1 B2 ldiagmin def
+ /BIAS bias 0.02 ft ldiagmax def
+ /XMID [ from (CTR) ldiagdolabel 0.5 ldiagpmul
+ to (CTR) ldiagdolabel 0.5 ldiagpmul ldiagpadd ] cvx def
+ /XTOP [ XMID 0 0 BIAS from (CTR) ldiagdolabel to (CTR) ldiagdolabel
+ ldiagangleto 90 dg sub ldiagatangle ldiagpadd ] cvx def
+ /CTR [ from (CTR) ldiagdolabel XTOP ldiaglinebetween
+ to (CTR) ldiagdolabel XTOP ldiaglinebetween
+ ldiaglineintersect ] cvx def
+
+ from fromarrowlength [ CTR ] cvx ldiagaabout /FROM ldiagpointdef
+ from (CTR) ldiagdolabel FROM ldiagdistance 0 gt
+ { from (CTR) ldiagdolabel FROM ldiagangleto
+ }
+ { CTR FROM ldiagangleto 90 dg add
+ } ifelse /FROM@ANGLE ldiagangledef
+
+ to toarrowlength [ CTR ] cvx ldiagcabout /TO ldiagpointdef
+ TO to (CTR) ldiagdolabel ldiagdistance 0 gt
+ { TO to (CTR) ldiagdolabel ldiagangleto
+ }
+ { CTR TO ldiagangleto 90 dg add
+ } ifelse /TO@ANGLE ldiagangledef
+
+ /RADIUS CTR FROM ldiagdistance def
+ CTR 0 0 RADIUS CTR FROM ldiagangleto 360 dg CTR TO ldiagangleto
+ add CTR FROM ldiagangleto sub cvi 360 mod 0.5 mul add
+ ldiagatangle ldiagpadd /LMID ldiagpointdef
+ CTR LMID ldiagangleto 90 dg add /LMID@ANGLE ldiagangledef
+
+ /XINDENT xindent FROM LMID ldiagdistance ldiagmin def
+ CTR 0 0 RADIUS CTR FROM 0 0 XINDENT FROM@ANGLE ldiagatangle
+ ldiagpadd ldiagangleto ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ CTR LFROM ldiagangleto 90 dg add /LFROM@ANGLE ldiagangledef
+
+ /ZINDENT zindent TO LMID ldiagdistance ldiagmin def
+ CTR 0 0 RADIUS CTR TO 0 0 ZINDENT TO@ANGLE 180 dg add
+ ldiagatangle ldiagpadd ldiagangleto ldiagatangle ldiagpadd /LTO ldiagpointdef
+ CTR LTO ldiagangleto 90 dg add /LTO@ANGLE ldiagangledef
+
+ direct
+ { FROM [CTR] TO }
+ { FROM [CTR] LFROM [CTR] LMID [CTR] LTO [CTR] TO }
+ ifelse
+
+ % (leaving ldiagacurvepath) 0 ldiagdebugprint
+} def
+
+% fromarrowlen toarrowlen { from } { to } xindent zindent bias ldiagccurvepath -
+/ldiagccurvepath
+{
+ % (entering ldiagccurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ %/B1 bias 0.02 ft ldiagmax def
+ %/B2 from (CTR) ldiagdolabel to (CTR) ldiagdolabel ldiagdistance 0.5 mul def
+ %/BIAS B1 B2 ldiagmin def
+ /BIAS bias 0.02 ft ldiagmax def
+ /XMID [ from (CTR) ldiagdolabel 0.5 ldiagpmul
+ to (CTR) ldiagdolabel 0.5 ldiagpmul ldiagpadd ] cvx def
+ /XTOP [ XMID 0 0 BIAS from (CTR) ldiagdolabel to (CTR) ldiagdolabel
+ ldiagangleto 90 dg add ldiagatangle ldiagpadd ] cvx def
+ /CTR [ from (CTR) ldiagdolabel XTOP ldiaglinebetween
+ to (CTR) ldiagdolabel XTOP ldiaglinebetween ldiaglineintersect ] cvx def
+
+ from fromarrowlength [ CTR ] cvx ldiagcabout /FROM ldiagpointdef
+ from (CTR) ldiagdolabel FROM ldiagdistance 0 gt
+ { from (CTR) ldiagdolabel FROM ldiagangleto }
+ { CTR FROM ldiagangleto 90 dg sub }
+ ifelse /FROM@ANGLE ldiagangledef
+
+ to toarrowlength [ CTR ] cvx ldiagaabout /TO ldiagpointdef
+ TO to (CTR) ldiagdolabel ldiagdistance 0 gt
+ { TO to (CTR) ldiagdolabel ldiagangleto }
+ { CTR TO ldiagangleto 90 dg sub }
+ ifelse /TO@ANGLE ldiagangledef
+
+ /RADIUS [ CTR FROM ldiagdistance ] cvx def
+ CTR 0 0 RADIUS CTR TO ldiagangleto 360 dg CTR FROM ldiagangleto add
+ CTR TO ldiagangleto sub cvi 360 cvi mod 2 div add ldiagatangle
+ ldiagpadd /LMID ldiagpointdef
+ CTR LMID ldiagangleto 90 dg sub /LMID@ANGLE ldiagangledef
+
+ /XINDENT [ xindent FROM LMID ldiagdistance ldiagmin ] cvx def
+ CTR 0 0 RADIUS CTR FROM 0 0 XINDENT FROM@ANGLE ldiagatangle ldiagpadd
+ ldiagangleto ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ CTR LFROM ldiagangleto 90 dg sub /LFROM@ANGLE ldiagangledef
+
+ /ZINDENT [ zindent TO LMID ldiagdistance ldiagmin ] cvx def
+ CTR 0 0 RADIUS CTR TO 0 0 ZINDENT TO@ANGLE 180 dg add ldiagatangle
+ ldiagpadd ldiagangleto ldiagatangle ldiagpadd /LTO ldiagpointdef
+ CTR LTO ldiagangleto 90 dg sub /LTO@ANGLE ldiagangledef
+
+ direct
+ { FROM [CTR clockwise] TO }
+ { FROM [CTR clockwise] LFROM [CTR clockwise]
+ LMID [CTR clockwise] LTO [CTR clockwise] TO }
+ ifelse
+ % (leaving ldiagccurvepath) 0 ldiagdebugprint
+} def
+
+
+% farr tarr { from } { to } xindent zindent [frompt] [topt] ldiagbezierpath -
+/ldiagbezierpath
+{
+ % (entering ldiagbezierpath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ cvx /topt exch def
+ cvx /frompt exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ from (CTR) ldiagdolabel frompt ldiagangleto /FROM@ANGLE ldiagangledef
+ from (CTR) ldiagdolabel FROM@ANGLE from (CIRCUM) ldiagdolabel
+ ldiagpadd 0 0 fromarrowlength FROM@ANGLE ldiagatangle ldiagpadd
+ /FROM ldiagpointdef
+
+ topt to (CTR) ldiagdolabel ldiagangleto /TO@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel TO@ANGLE 180 dg add to (CIRCUM) ldiagdolabel
+ ldiagpadd 0 0 toarrowlength TO@ANGLE 180 dg add ldiagatangle ldiagpadd
+ /TO ldiagpointdef
+
+ FROM 0 0 xindent FROM@ANGLE ldiagatangle ldiagpadd
+ /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+
+ TO 0 0 zindent TO@ANGLE 180 dg add ldiagatangle ldiagpadd
+ /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+
+ FROM TO ldiagpadd frompt ldiagpadd topt ldiagpadd 0.25 ldiagpmul
+ /LMID ldiagpointdef
+
+ FROM [frompt topt] TO
+
+ % (leaving ldiagbezierpath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+
+% farr tarr { from } { to } xindent zindent ldiagvhlinepath -
+/ldiagvhlinepath
+{
+ % (entering ldiagvhlinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /CTR [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel exch pop ] cvx def
+ /FANG [ from (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+ /TANG [ to (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+
+ from (CTR) ldiagdolabel FANG from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength FANG ldiagatangle ldiagpadd /FROM ldiagpointdef
+ FANG /FROM@ANGLE ldiagangledef
+
+ to (CTR) ldiagdolabel TANG to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength TANG ldiagatangle ldiagpadd /TO ldiagpointdef
+ TANG 180 dg add /TO@ANGLE ldiagangledef
+
+ /FDIST [ FROM CTR ldiagdistance ] cvx def
+ /TDIST [ TO CTR ldiagdistance ] cvx def
+ /XINDENT [ xindent FDIST ldiagmin ] cvx def
+ /ZINDENT [ zindent TDIST ldiagmin ] cvx def
+ FROM 0 0 XINDENT FANG ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ TO 0 0 ZINDENT TANG ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+
+ CTR /LMID ldiagpointdef
+ 0 0 1 ft FANG 180 dg add ldiagatangle
+ 0 0 1 ft TANG 180 dg add ldiagatangle
+ ldiagangleto /LMID@ANGLE ldiagangledef
+
+ FROM LFROM LMID LTO TO
+
+ % (leaving ldiagvhlinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent radius ldiagvhcurvepath -
+/ldiagvhcurvepath
+{
+ % (entering ldiagvhcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /radius exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /CTR [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel exch pop ] cvx def
+ /FANG [ from (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+ /TANG [ to (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+
+ from (CTR) ldiagdolabel FANG from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength FANG ldiagatangle ldiagpadd /FROM ldiagpointdef
+ FANG /FROM@ANGLE ldiagangledef
+
+ to (CTR) ldiagdolabel TANG to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength TANG ldiagatangle ldiagpadd /TO ldiagpointdef
+ TANG 180 dg add /TO@ANGLE ldiagangledef
+
+ /FDIST [ FROM CTR ldiagdistance ] cvx def
+ /TDIST [ TO CTR ldiagdistance ] cvx def
+ /RADIUS [ radius FDIST TDIST ldiagmin ldiagmin ] cvx def
+ /XINDENT [ xindent FDIST RADIUS sub ldiagmin ] cvx def
+ /ZINDENT [ zindent TDIST RADIUS sub ldiagmin ] cvx def
+
+ FROM 0 0 XINDENT FANG ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ TO 0 0 ZINDENT TANG ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+
+ /FCTR [ CTR 0 0 RADIUS FROM@ANGLE 180 dg add ldiagatangle ldiagpadd ] cvx def
+ /TCTR [ CTR 0 0 RADIUS TO@ANGLE ldiagatangle ldiagpadd ] cvx def
+ /XCTR [ CTR 0 0 RADIUS FROM@ANGLE 180 dg add ldiagatangle ldiagpadd
+ 0 0 RADIUS TO@ANGLE ldiagatangle ldiagpadd ] cvx def
+ XCTR 0 0 RADIUS XCTR CTR ldiagangleto ldiagatangle ldiagpadd
+ /LMID ldiagpointdef
+ FCTR TCTR ldiagangleto /LMID@ANGLE ldiagangledef
+
+ FROM LFROM FCTR
+ {[XCTR clockwise]} {} {} {} {} {[XCTR]} {[XCTR clockwise]} {[XCTR]}
+ FCTR TCTR ldiagangleto ldiagquadcase
+ TCTR LTO TO
+
+ % (leaving ldiagvhcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent ldiaghvlinepath -
+/ldiaghvlinepath
+{
+ % (entering ldiaghvlinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /CTR [ to (CTR) ldiagdolabel pop from (CTR) ldiagdolabel exch pop ] cvx def
+ /FANG [ from (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+ /TANG [ to (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+
+ from (CTR) ldiagdolabel FANG from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength FANG ldiagatangle ldiagpadd /FROM ldiagpointdef
+ FANG /FROM@ANGLE ldiagangledef
+
+ to (CTR) ldiagdolabel TANG to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength TANG ldiagatangle ldiagpadd /TO ldiagpointdef
+ TANG 180 dg add /TO@ANGLE ldiagangledef
+
+ /FDIST [ FROM CTR ldiagdistance ] cvx def
+ /TDIST [ TO CTR ldiagdistance ] cvx def
+ /XINDENT [ xindent FDIST ldiagmin ] cvx def
+ /ZINDENT [ zindent TDIST ldiagmin ] cvx def
+
+ FROM 0 0 XINDENT FANG ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ TO 0 0 ZINDENT TANG ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+
+ CTR /LMID ldiagpointdef
+ 0 0 1 ft FANG 180 dg add ldiagatangle
+ 0 0 1 ft TANG 180 dg add ldiagatangle ldiagangleto
+ /LMID@ANGLE ldiagangledef
+
+ FROM LFROM LMID LTO TO
+
+ % (leaving ldiaghvlinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent radius ldiaghvcurvepath -
+/ldiaghvcurvepath
+{
+ % (entering ldiaghvcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /radius exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /CTR [ to (CTR) ldiagdolabel pop from (CTR) ldiagdolabel exch pop ] cvx def
+ /FANG [ from (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+ /TANG [ to (CTR) ldiagdolabel CTR ldiagangleto ] cvx def
+
+ from (CTR) ldiagdolabel FANG from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength FANG ldiagatangle ldiagpadd /FROM ldiagpointdef
+ FANG /FROM@ANGLE ldiagangledef
+
+ to (CTR) ldiagdolabel TANG to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength TANG ldiagatangle ldiagpadd /TO ldiagpointdef
+ TANG 180 dg add /TO@ANGLE ldiagangledef
+
+ /FDIST [ FROM CTR ldiagdistance ] cvx def
+ /TDIST [ TO CTR ldiagdistance ] cvx def
+ /RADIUS [ radius FDIST TDIST ldiagmin ldiagmin ] cvx def
+ /XINDENT [ xindent FDIST RADIUS sub ldiagmin ] cvx def
+ /ZINDENT [ zindent TDIST RADIUS sub ldiagmin ] cvx def
+ FROM 0 0 XINDENT FANG ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ TO 0 0 ZINDENT TANG ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+
+ /FCTR [ CTR 0 0 RADIUS FROM@ANGLE 180 dg add ldiagatangle ldiagpadd ] cvx def
+ /TCTR [ CTR 0 0 RADIUS TO@ANGLE ldiagatangle ldiagpadd ] cvx def
+ /XCTR [ CTR 0 0 RADIUS FROM@ANGLE 180 dg add ldiagatangle ldiagpadd
+ 0 0 RADIUS TO@ANGLE ldiagatangle ldiagpadd ] cvx def
+ XCTR 0 0 RADIUS XCTR CTR ldiagangleto ldiagatangle ldiagpadd
+ /LMID ldiagpointdef
+ FCTR TCTR ldiagangleto /LMID@ANGLE ldiagangledef
+
+ FROM LFROM FCTR
+ {[XCTR]} {} {} {} {} {[XCTR clockwise]} {[XCTR]} {[XCTR clockwise]}
+ FCTR TCTR ldiagangleto ldiagquadcase
+ TCTR LTO TO
+
+ % (leaving ldiaghvcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent bias ldiaglvrlinepath -
+/ldiaglvrlinepath
+{
+ % (entering ldiaglvrlinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ from (CTR) ldiagdolabel 180 dg from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength 180 dg ldiagatangle ldiagpadd /FROM ldiagpointdef
+ 180 dg /FROM@ANGLE ldiagangledef
+
+ to (CTR) ldiagdolabel 180 dg to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength 180 dg ldiagatangle ldiagpadd /TO ldiagpointdef
+ 0 dg /TO@ANGLE ldiagangledef
+
+ /XLEFT [ FROM pop TO pop ldiagmin bias sub ] cvx def
+ XLEFT FROM exch pop /P1 ldiagpointdef
+ XLEFT TO exch pop /P2 ldiagpointdef
+ /VERT [ P1 P2 ldiagangleto ] cvx def
+ P1 P1 0 0 1 ft 180 dg ldiagatangle ldiagpadd 0 0 1 ft VERT ldiagatangle
+ ldiagpadd ldiagangleto /P1@ANGLE ldiagangledef
+ P2 P2 0 0 1 ft 0 dg ldiagatangle ldiagpadd 0 0 1 ft VERT ldiagatangle
+ ldiagpadd ldiagangleto /P2@ANGLE ldiagangledef
+
+ P1 0.5 ldiagpmul P2 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ VERT /LMID@ANGLE ldiagangledef
+
+ /XINDENT [ xindent FROM P1 ldiagdistance ldiagmin ] cvx def
+ /ZINDENT [ zindent P2 TO ldiagdistance ldiagmin ] cvx def
+ XINDENT 0 FROM ldiagpsub /LFROM ldiagpointdef
+ 180 dg /LFROM@ANGLE ldiagangledef
+ ZINDENT 0 TO ldiagpsub /LTO ldiagpointdef
+ 0 dg /LTO@ANGLE ldiagangledef
+
+ FROM LFROM P1 LMID P2 LTO TO
+
+ % (leaving ldiaglvrlinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent bias radius ldiaglvrcurvepath -
+/ldiaglvrcurvepath
+{
+ % (entering ldiaglvrcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /radius exch def
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ from (CTR) ldiagdolabel 180 dg from (CIRCUM) ldiagdolabel ldiagpadd 0 0
+ fromarrowlength 180 dg ldiagatangle ldiagpadd /FROM ldiagpointdef
+ 180 dg /FROM@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel 180 dg to (CIRCUM) ldiagdolabel ldiagpadd 0 0
+ toarrowlength 180 dg ldiagatangle ldiagpadd /TO ldiagpointdef
+ 0 dg /TO@ANGLE ldiagangledef
+ /XLEFT [ FROM pop TO pop ldiagmin bias sub ] cvx def
+ /XP1 [ XLEFT FROM exch pop ] cvx def
+ /XP2 [ XLEFT TO exch pop ] cvx def
+ /VERT [ XP1 XP2 ldiagangleto ] cvx def
+ XP1 0.5 ldiagpmul XP2 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ VERT /LMID@ANGLE ldiagangledef
+ /XINDENT [ xindent FROM XP1 ldiagdistance ldiagmin ] cvx def
+ /ZINDENT [ zindent XP2 TO ldiagdistance ldiagmin ] cvx def
+ XINDENT 0 FROM ldiagpsub /LFROM ldiagpointdef
+ 180 dg /LFROM@ANGLE ldiagangledef
+ ZINDENT 0 TO ldiagpsub /LTO ldiagpointdef
+ 0 dg /LTO@ANGLE ldiagangledef
+ /RADIUS [ radius XP1 XP2 ldiagdistance 2 div ldiagmin ] cvx def
+ /XP1PRE [ XP1 0 0 RADIUS 0 dg ldiagatangle ldiagpadd ] cvx def
+ /XP1POST [ XP1 0 0 RADIUS VERT ldiagatangle ldiagpadd ] cvx def
+ /XP1CTR [ XP1PRE 0 0 RADIUS VERT ldiagatangle ldiagpadd ] cvx def
+ XP1CTR 0 0 RADIUS XP1CTR XP1 ldiagangleto ldiagatangle ldiagpadd
+ /P1 ldiagpointdef
+ XP1PRE XP1POST ldiagangleto /P1@ANGLE ldiagangledef
+ /XP2PRE [ 0 0 RADIUS VERT ldiagatangle XP2 ldiagpsub ] cvx def
+ /XP2POST [ XP2 0 0 RADIUS 0 dg ldiagatangle ldiagpadd ] cvx def
+ /XP2CTR [ XP2PRE 0 0 RADIUS 0 dg ldiagatangle ldiagpadd ] cvx def
+ XP2CTR 0 0 RADIUS XP2CTR XP2 ldiagangleto ldiagatangle ldiagpadd
+ /P2 ldiagpointdef
+ XP2PRE XP2POST ldiagangleto /P2@ANGLE ldiagangledef
+ FROM LFROM XP1PRE
+ { } { [XP1CTR] P1 [XP1CTR] } { } { [XP1CTR clockwise] P1 [XP1CTR clockwise] }
+ { } { } { } { } VERT round ldiagquadcase
+ XP1POST LMID XP2PRE
+ { } { [XP2CTR] P2 [XP2CTR] } { } { [XP2CTR clockwise] P2 [XP2CTR clockwise] }
+ { } { } { } { } VERT round ldiagquadcase
+ XP2POST LTO TO
+
+ % (leaving ldiaglvrcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent bias ldiagrvllinepath -
+/ldiagrvllinepath
+{
+ % (entering ldiagrvllinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ from (CTR) ldiagdolabel 0 dg from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength 0 dg ldiagatangle ldiagpadd /FROM ldiagpointdef
+ 0 dg /FROM@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel 0 dg to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength 0 dg ldiagatangle ldiagpadd /TO ldiagpointdef
+ 180 dg /TO@ANGLE ldiagangledef
+ /XRIGHT [ FROM pop TO pop ldiagmax bias add ] cvx def
+ XRIGHT FROM exch pop /P1 ldiagpointdef
+ XRIGHT TO exch pop /P2 ldiagpointdef
+ /VERT [ P1 P2 ldiagangleto ] cvx def
+ P1 P1 0 0 1 ft 0 dg ldiagatangle ldiagpadd 0 0 1 ft VERT ldiagatangle
+ ldiagpadd ldiagangleto /P1@ANGLE ldiagangledef
+ P2 P2 0 0 1 ft 180 dg ldiagatangle ldiagpadd 0 0 1 ft VERT ldiagatangle
+ ldiagpadd ldiagangleto /P2@ANGLE ldiagangledef
+ P1 0.5 ldiagpmul P2 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ VERT /LMID@ANGLE ldiagangledef
+ /XINDENT [ xindent FROM P1 ldiagdistance ldiagmin ] cvx def
+ /ZINDENT [ zindent P2 TO ldiagdistance ldiagmin ] cvx def
+ FROM XINDENT 0 ldiagpadd /LFROM ldiagpointdef
+ 0 dg /LFROM@ANGLE ldiagangledef
+ TO ZINDENT 0 ldiagpadd /LTO ldiagpointdef
+ 180 dg /LTO@ANGLE ldiagangledef
+ FROM LFROM P1 LMID P2 LTO TO
+
+ % (leaving ldiagrvllinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+
+% farr tarr { from } { to } xindent zindent bias radius ldiagrvlcurvepath -
+/ldiagrvlcurvepath
+{
+ % (entering ldiagrvlcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /radius exch def
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ from (CTR) ldiagdolabel 0 dg from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength 0 dg ldiagatangle ldiagpadd /FROM ldiagpointdef
+ 0 dg /FROM@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel 0 dg to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength 0 dg ldiagatangle ldiagpadd /TO ldiagpointdef
+ 180 dg /TO@ANGLE ldiagangledef
+ /XRIGHT [ FROM pop TO pop ldiagmax bias add ] cvx def
+ /XP1 [ XRIGHT FROM exch pop ] cvx def
+ /XP2 [ XRIGHT TO exch pop ] cvx def
+ /VERT [ XP1 XP2 ldiagangleto ] cvx def
+ XP1 0.5 ldiagpmul XP2 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ VERT /LMID@ANGLE ldiagangledef
+ /XINDENT [ xindent FROM XP1 ldiagdistance ldiagmin ] cvx def
+ /ZINDENT [ zindent XP2 TO ldiagdistance ldiagmin ] cvx def
+ FROM XINDENT 0 ldiagpadd /LFROM ldiagpointdef
+ 0 dg /LFROM@ANGLE ldiagangledef
+ TO ZINDENT 0 ldiagpadd /LTO ldiagpointdef
+ 180 dg /LTO@ANGLE ldiagangledef
+ /RADIUS [ radius XP1 XP2 ldiagdistance 0.5 mul ldiagmin ] cvx def
+ /XP1PRE [ XP1 0 0 RADIUS 180 dg ldiagatangle ldiagpadd ] cvx def
+ /XP1POST [ XP1 0 0 RADIUS VERT ldiagatangle ldiagpadd ] cvx def
+ /XP1CTR [ XP1PRE 0 0 RADIUS VERT ldiagatangle ldiagpadd ] cvx def
+ XP1CTR 0 0 RADIUS XP1CTR XP1 ldiagangleto ldiagatangle ldiagpadd
+ /P1 ldiagpointdef
+ XP1PRE XP1POST ldiagangleto /P1@ANGLE ldiagangledef
+ /XP2PRE [ 0 0 RADIUS VERT ldiagatangle XP2 ldiagpsub ] cvx def
+ /XP2POST [ XP2 0 0 RADIUS 180 dg ldiagatangle ldiagpadd ] cvx def
+ /XP2CTR [ XP2PRE 0 0 RADIUS 180 dg ldiagatangle ldiagpadd ] cvx def
+ XP2CTR 0 0 RADIUS XP2CTR XP2 ldiagangleto ldiagatangle ldiagpadd
+ /P2 ldiagpointdef
+ XP2PRE XP2POST ldiagangleto /P2@ANGLE ldiagangledef
+ FROM LFROM XP1PRE
+ {} {[XP1CTR clockwise] P1 [XP1CTR clockwise]} {} {[XP1CTR] P1 [XP1CTR]}
+ {} {} {} {} VERT round ldiagquadcase
+ XP1POST LMID XP2PRE
+ {} {[XP2CTR clockwise] P2 [XP2CTR clockwise]} {} {[XP2CTR] P2 [XP2CTR]}
+ {} {} {} {} VERT round ldiagquadcase
+ XP2POST LTO TO
+
+ % (leaving ldiagrvlcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent bias fbias tbias ldiagdwraplinepath -
+/ldiagdwraplinepath
+{
+ % (entering ldiagdwraplinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /tbias exch def
+ /fbias exch def
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /DIRN [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel pop
+ lt { 180 dg } { 0 dg } ifelse ] cvx def
+ from (CTR) ldiagdolabel DIRN from (CIRCUM) ldiagdolabel ldiagpadd 0 0
+ fromarrowlength DIRN ldiagatangle ldiagpadd /FROM ldiagpointdef
+ DIRN /FROM@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel DIRN 180 dg add to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength DIRN 180 dg add ldiagatangle ldiagpadd /TO ldiagpointdef
+ DIRN /TO@ANGLE ldiagangledef
+ FROM 0 0 fbias 0 ldiagmax DIRN ldiagatangle ldiagpadd /P1 ldiagpointdef
+ DIRN 180 dg eq { 225 dg } { -45 dg } ifelse /P1@ANGLE ldiagangledef
+ TO 0 0 tbias 0 ldiagmax DIRN 180 dg add ldiagatangle ldiagpadd
+ /P4 ldiagpointdef
+ DIRN 180 dg eq { 135 dg } { 45 dg } ifelse /P4@ANGLE ldiagangledef
+ /YC [ from (CTR) ldiagdolabel 270 dg from (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop to (CTR) ldiagdolabel 270 dg to (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop ldiagmin bias 0 ldiagmax sub ] cvx def
+ P1 pop YC /P2 ldiagpointdef
+ P4@ANGLE 180 dg sub /P2@ANGLE ldiagangledef
+ P4 pop YC /P3 ldiagpointdef
+ P1@ANGLE 180 dg sub /P3@ANGLE ldiagangledef
+ /XINDENT [ xindent FROM P1 ldiagdistance ldiagmin ] cvx def
+ FROM 0 0 XINDENT DIRN ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ /ZINDENT [ zindent TO P4 ldiagdistance ldiagmin ] cvx def
+ TO 0 0 ZINDENT DIRN 180 dg add ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+ P2 0.5 ldiagpmul P3 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ DIRN 180 dg sub /LMID@ANGLE ldiagangledef
+ FROM P1 P2 P3 P4 TO
+
+ % (leaving ldiagdwraplinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent bias fbias tbias radius
+% ldiagdwrapcurvepath -
+/ldiagdwrapcurvepath
+{
+ % (entering ldiagdwrapcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /radius exch def
+ /tbias exch def
+ /fbias exch def
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /DIRN [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel pop lt
+ { 180 dg } { 0 dg } ifelse ] cvx def
+ /CLOCK [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel pop lt
+ { anticlockwise } { clockwise } ifelse ] cvx def
+ from (CTR) ldiagdolabel DIRN from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength DIRN ldiagatangle ldiagpadd /FROM ldiagpointdef
+ DIRN /FROM@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel DIRN 180 dg add to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength DIRN 180 dg add ldiagatangle ldiagpadd /TO ldiagpointdef
+ DIRN /TO@ANGLE ldiagangledef
+ /XP1 [ FROM 0 0 fbias 0 ldiagmax DIRN ldiagatangle ldiagpadd ] cvx def
+ /XP4 [ TO 0 0 tbias 0 ldiagmax DIRN 180 dg add ldiagatangle ldiagpadd ] cvx def
+ /YC [ from (CTR) ldiagdolabel 270 dg from (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop to (CTR) ldiagdolabel 270 dg to (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop ldiagmin bias 0 ldiagmax sub ] cvx def
+ /XP2 [ XP1 pop YC ] cvx def
+ /XP3 [ XP4 pop YC ] cvx def
+ /RP1 [ radius XP1 FROM ldiagdistance XP1 XP2 ldiagdistance 2 div
+ ldiagmin ldiagmin ] cvx def
+ /XP1PRE [ XP1 0 0 RP1 XP1 FROM ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP1POST [ XP1 0 0 RP1 XP1 XP2 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP1CTR [ XP1PRE 0 0 RP1 XP1 XP2 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP1CTR 0 0 RP1 XP1CTR XP1 ldiagangleto ldiagatangle ldiagpadd /P1 ldiagpointdef
+ XP1CTR P1 ldiagangleto DIRN add 90 dg sub /P1@ANGLE ldiagangledef
+ /RP2 [ radius XP1 XP2 ldiagdistance 2 div XP2 XP3 ldiagdistance 2 div
+ ldiagmin ldiagmin ] cvx def
+ /XP2PRE [ XP2 0 0 RP2 XP2 XP1 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP2POST [ XP2 0 0 RP2 XP2 XP3 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP2CTR [ XP2PRE 0 0 RP2 XP2 XP3 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP2CTR 0 0 RP2 XP2CTR XP2 ldiagangleto ldiagatangle ldiagpadd /P2 ldiagpointdef
+ XP2CTR P2 ldiagangleto DIRN add 90 dg sub /P2@ANGLE ldiagangledef
+ /RP3 [ radius XP2 XP3 ldiagdistance 2 div XP3 XP4 ldiagdistance 2 div
+ ldiagmin ldiagmin ] cvx def
+ /XP3PRE [ XP3 0 0 RP3 XP3 XP2 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP3POST [ XP3 0 0 RP3 XP3 XP4 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP3CTR [ XP3PRE 0 0 RP3 XP3 XP4 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP3CTR 0 0 RP3 XP3CTR XP3 ldiagangleto ldiagatangle ldiagpadd /P3 ldiagpointdef
+ XP3CTR P3 ldiagangleto DIRN add 90 dg sub /P3@ANGLE ldiagangledef
+ /RP4 [ radius XP4 XP3 ldiagdistance 2 div XP4 TO ldiagdistance
+ ldiagmin ldiagmin ] cvx def
+ /XP4PRE [ XP4 0 0 RP4 XP4 XP3 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP4POST [ XP4 0 0 RP4 XP4 TO ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP4CTR [ XP4PRE 0 0 RP4 XP4 TO ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP4CTR 0 0 RP4 XP4CTR XP4 ldiagangleto ldiagatangle ldiagpadd /P4 ldiagpointdef
+ XP4CTR P4 ldiagangleto DIRN add 90 dg sub /P4@ANGLE ldiagangledef
+ /XINDENT [ xindent FROM XP1PRE ldiagdistance ldiagmin ] cvx def
+ FROM 0 0 XINDENT DIRN ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ XP2 0.5 ldiagpmul XP3 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ DIRN 180 dg sub /LMID@ANGLE ldiagangledef
+ /ZINDENT [ zindent TO XP4POST ldiagdistance ldiagmin ] cvx def
+ TO 0 0 ZINDENT DIRN 180 dg add ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+ FROM LFROM
+ XP1PRE [XP1CTR CLOCK] XP1POST
+ XP2PRE [XP2CTR CLOCK] XP2POST
+ LMID
+ XP3PRE [XP3CTR CLOCK] XP3POST
+ XP4PRE [XP4CTR CLOCK] XP4POST
+ LTO TO
+
+ % (leaving ldiagdwrapcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent bias fbias tbias ldiaguwraplinepath -
+/ldiaguwraplinepath
+{
+ % (entering ldiaguwraplinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /tbias exch def
+ /fbias exch def
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /DIRN [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel pop lt
+ { 180 dg } { 0 dg } ifelse ] cvx def
+ from (CTR) ldiagdolabel DIRN from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength DIRN ldiagatangle ldiagpadd /FROM ldiagpointdef
+ DIRN /FROM@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel DIRN 180 dg add to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength DIRN 180 dg add ldiagatangle ldiagpadd /TO ldiagpointdef
+ DIRN /TO@ANGLE ldiagangledef
+ FROM 0 0 fbias 0 ldiagmax DIRN ldiagatangle ldiagpadd /P1 ldiagpointdef
+ DIRN 180 dg eq { 135 dg } { 45 dg } ifelse /P1@ANGLE ldiagangledef
+ TO 0 0 tbias 0 ldiagmax DIRN 180 dg add ldiagatangle ldiagpadd
+ /P4 ldiagpointdef
+ DIRN 180 dg eq { 225 dg } { -45 dg } ifelse /P4@ANGLE ldiagangledef
+ /YC [ from (CTR) ldiagdolabel 90 dg from (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop to (CTR) ldiagdolabel 90 dg to (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop ldiagmax bias 0 ldiagmax add ] cvx def
+ P1 pop YC /P2 ldiagpointdef
+ P4@ANGLE 180 dg sub /P2@ANGLE ldiagangledef
+ P4 pop YC /P3 ldiagpointdef
+ P1@ANGLE 180 dg sub /P3@ANGLE ldiagangledef
+ /XINDENT [ xindent FROM P1 ldiagdistance ldiagmin ] cvx def
+ FROM 0 0 XINDENT DIRN ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ /ZINDENT [ zindent TO P4 ldiagdistance ldiagmin ] cvx def
+ TO 0 0 ZINDENT DIRN 180 dg add ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+ P2 0.5 ldiagpmul P3 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ DIRN 180 dg sub /LMID@ANGLE ldiagangledef
+ FROM P1 P2 P3 P4 TO
+
+ % (leaving ldiaguwraplinepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% farr tarr { from } { to } xindent zindent bias fbias tbias radius
+% ldiaguwrapcurvepath -
+/ldiaguwrapcurvepath
+{
+ % (entering ldiaguwrapcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+ /radius exch def
+ /tbias exch def
+ /fbias exch def
+ /bias exch def
+ /zindent exch def
+ /xindent exch def
+ cvlit /to exch def
+ cvlit /from exch def
+ /toarrowlength exch def
+ /fromarrowlength exch def
+
+ /DIRN [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel pop lt
+ { 180 dg } { 0 dg } ifelse ] cvx def
+ /CLOCK [ from (CTR) ldiagdolabel pop to (CTR) ldiagdolabel pop lt
+ { clockwise } { anticlockwise } ifelse ] cvx def
+ from (CTR) ldiagdolabel DIRN from (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 fromarrowlength DIRN ldiagatangle ldiagpadd /FROM ldiagpointdef
+ DIRN /FROM@ANGLE ldiagangledef
+ to (CTR) ldiagdolabel DIRN 180 dg add to (CIRCUM) ldiagdolabel ldiagpadd
+ 0 0 toarrowlength DIRN 180 dg add ldiagatangle ldiagpadd /TO ldiagpointdef
+ DIRN /TO@ANGLE ldiagangledef
+ /XP1 [ FROM 0 0 fbias 0 ldiagmax DIRN ldiagatangle ldiagpadd ] cvx def
+ /XP4 [ TO 0 0 tbias 0 ldiagmax DIRN 180 dg add ldiagatangle ldiagpadd ] cvx def
+ /YC [ from (CTR) ldiagdolabel 90 dg from (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop to (CTR) ldiagdolabel 90 dg to (CIRCUM) ldiagdolabel ldiagpadd
+ exch pop ldiagmax bias 0 ldiagmax add ] cvx def
+ /XP2 [ XP1 pop YC ] cvx def
+ /XP3 [ XP4 pop YC ] cvx def
+ /RP1 [ radius XP1 FROM ldiagdistance XP1 XP2 ldiagdistance 2 div
+ ldiagmin ldiagmin ] cvx def
+ /XP1PRE [ XP1 0 0 RP1 XP1 FROM ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP1POST [ XP1 0 0 RP1 XP1 XP2 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP1CTR [ XP1PRE 0 0 RP1 XP1 XP2 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP1CTR 0 0 RP1 XP1CTR XP1 ldiagangleto ldiagatangle ldiagpadd /P1 ldiagpointdef
+ XP1CTR P1 ldiagangleto DIRN add 90 dg add /P1@ANGLE ldiagangledef
+ /RP2 [ radius XP1 XP2 ldiagdistance 2 div XP2 XP3 ldiagdistance 2 div
+ ldiagmin ldiagmin ] cvx def
+ /XP2PRE [ XP2 0 0 RP2 XP2 XP1 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP2POST [ XP2 0 0 RP2 XP2 XP3 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP2CTR [ XP2PRE 0 0 RP2 XP2 XP3 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP2CTR 0 0 RP2 XP2CTR XP2 ldiagangleto ldiagatangle ldiagpadd /P2 ldiagpointdef
+ XP2CTR P2 ldiagangleto DIRN add 90 dg add /P2@ANGLE ldiagangledef
+ /RP3 [ radius XP2 XP3 ldiagdistance 2 div XP3 XP4 ldiagdistance 2 div
+ ldiagmin ldiagmin ] cvx def
+ /XP3PRE [ XP3 0 0 RP3 XP3 XP2 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP3POST [ XP3 0 0 RP3 XP3 XP4 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP3CTR [ XP3PRE 0 0 RP3 XP3 XP4 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP3CTR 0 0 RP3 XP3CTR XP3 ldiagangleto ldiagatangle ldiagpadd /P3 ldiagpointdef
+ XP3CTR P3 ldiagangleto DIRN add 90 dg add /P3@ANGLE ldiagangledef
+ /RP4 [ radius XP4 XP3 ldiagdistance 2 div XP4 TO ldiagdistance
+ ldiagmin ldiagmin ] cvx def
+ /XP4PRE [ XP4 0 0 RP4 XP4 XP3 ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP4POST [ XP4 0 0 RP4 XP4 TO ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ /XP4CTR [ XP4PRE 0 0 RP4 XP4 TO ldiagangleto ldiagatangle ldiagpadd ] cvx def
+ XP4CTR 0 0 RP4 XP4CTR XP4 ldiagangleto ldiagatangle ldiagpadd /P4 ldiagpointdef
+ XP4CTR P4 ldiagangleto DIRN add 90 dg add /P4@ANGLE ldiagangledef
+ /XINDENT [ xindent FROM XP1PRE ldiagdistance ldiagmin ] cvx def
+ FROM 0 0 XINDENT DIRN ldiagatangle ldiagpadd /LFROM ldiagpointdef
+ FROM@ANGLE /LFROM@ANGLE ldiagangledef
+ XP2 0.5 ldiagpmul XP3 0.5 ldiagpmul ldiagpadd /LMID ldiagpointdef
+ DIRN 180 dg sub /LMID@ANGLE ldiagangledef
+ /ZINDENT [ zindent TO XP4POST ldiagdistance ldiagmin ] cvx def
+ TO 0 0 ZINDENT DIRN 180 dg add ldiagatangle ldiagpadd /LTO ldiagpointdef
+ TO@ANGLE /LTO@ANGLE ldiagangledef
+ FROM LFROM
+ XP1PRE [XP1CTR CLOCK] XP1POST
+ XP2PRE [XP2CTR CLOCK] XP2POST
+ LMID
+ XP3PRE [XP3CTR CLOCK] XP3POST
+ XP4PRE [XP4CTR CLOCK] XP4POST
+ LTO TO
+
+ % (leaving ldiaguwrapcurvepath) 0 ldiagdebugprint
+ % count ( stack size is) 1 ldiagdebugprint pop
+} def
+
+% shape and labels of the @SolidArrowHead symbol
+% - ldiagsolidarrowhead -
+/ldiagsolidarrowhead
+{
+ 0 0 xsize ysize 0.5 mul 0 ysize
+} def
+
+% shape and labels of the @OpenArrowHead symbol
+% <pathwidth> ldiagopenarrowhead -
+/ldiagopenarrowhead
+{
+ /pathwidth exch def
+ /PSW [ 0 0 ] cvx def
+ /PNW [ 0 ysize ] cvx def
+ /PE [ xsize ysize 0.5 mul ] cvx def
+ /REL [ 0 0 pathwidth PE PNW ldiagangleto 90 add ldiagatangle ] cvx def
+ /PNA [ 0 ysize 0.5 mul pathwidth 0.5 mul add ] cvx def
+ /PSA [ 0 ysize 0.5 mul pathwidth 0.5 mul sub ] cvx def
+ /PNI [ PNA PNA xsize 0 ldiagpadd PNW REL ldiagpadd
+ PE REL ldiagpadd ldiaglineintersect ] cvx def
+ /PSI [ 0 pathwidth PNI ldiagpsub ] cvx def
+
+ PSW PE PNW PNI PNA PSA PSI PSW
+} def
+
+% shape and labels of the @HalfOpenArrowHead symbol
+% <pathwidth> ldiaghalfopenarrowhead -
+/ldiaghalfopenarrowhead
+{
+ /pathwidth exch def
+ 0 0
+ xsize ysize 0.5 mul
+ 0 ysize
+ xsize 0.3 mul ysize 0.5 mul pathwidth 0.5 mul add
+ 0 ysize 0.5 mul pathwidth 0.5 mul add
+ 0 ysize 0.5 mul pathwidth 0.5 mul sub
+ xsize 0.3 mul ysize 0.5 mul pathwidth 0.5 mul sub
+ 0 0
+} def
+
+% shape and labels of the @SolidCurvedArrowHead symbol
+% - ldiagsolidcurvedarrowhead -
+/ldiagsolidcurvedarrowhead
+{
+ 0 0
+ [0 0 xsize ysize 0.5 mul ldiaglinebetween
+ xsize 0 xsize ysize ldiaglineintersect clockwise]
+ xsize ysize 0.5 mul
+ [xsize ysize 0.5 mul 0 ysize ldiaglinebetween
+ xsize 0 xsize ysize ldiaglineintersect clockwise]
+ 0 ysize
+} def
+
+% shape and labels of the @OpenCurvedArrowHead symbol
+% <pathwidth> ldiagopencurvedarrowhead -
+/ldiagopencurvedarrowhead
+{
+ /pathwidth exch def
+ /LR [ 0 0 xsize ysize 0.5 mul ldiaglinebetween
+ xsize 0 xsize ysize ldiaglineintersect
+ ] cvx def
+ /UR [ xsize ysize 0.5 mul 0 ysize ldiaglinebetween
+ xsize 0 xsize ysize ldiaglineintersect
+ ] cvx def
+ /PW2 [ pathwidth 0.5 mul ] cvx def
+ /UMID [
+ 0 ysize 0.5 mul PW2 add
+ xsize ysize 0.5 mul PW2 add
+ 0 ysize 0 0 1 ft UR 0 ysize ldiagangleto 90 add ldiagatangle
+ ldiagpadd 0 ysize ldiaglineintersect
+ ] cvx def
+ /LMID [ 0 pathwidth UMID ldiagpsub ] cvx def
+ 0 0
+ [LR clockwise]
+ xsize ysize 0.5 mul
+ [UR clockwise]
+ 0 ysize
+ UMID
+ 0 ysize 0.5 mul PW2 add
+ 0 ysize 0.5 mul PW2 sub
+ LMID
+ 0 0
+} def
+
+% shape and labels of the @HalfOpenCurvedArrowHead symbol
+% <pathwidth> ldiaghalfopencurvedarrowhead -
+/ldiaghalfopencurvedarrowhead
+{
+ /pathwidth exch def
+ /LR [ 0 0 xsize ysize 0.5 mul ldiaglinebetween
+ xsize 0 xsize ysize ldiaglineintersect
+ ] cvx def
+ /UR [ xsize ysize 0.5 mul 0 ysize ldiaglinebetween
+ xsize 0 xsize ysize ldiaglineintersect
+ ] cvx def
+ /BR [ 0 0 LR 0 ysize UR ldiaglineintersect ] cvx def
+ /BRAD [ 0 0 BR ldiagdistance ] cvx def
+ /PW2 [ pathwidth 0.5 mul ] cvx def
+ /XDIST [ BRAD dup mul PW2 dup mul sub sqrt ] cvx def
+ /UMID [ BR XDIST PW2 ldiagpadd ] cvx def
+ /LMID [ BR XDIST 0 PW2 sub ldiagpadd ] cvx def
+ 0 0
+ [LR clockwise]
+ xsize ysize 0.5 mul
+ [UR clockwise]
+ 0 ysize
+ [BR clockwise]
+ UMID
+ 0 ysize 0.5 mul PW2 add
+ 0 ysize 0.5 mul PW2 sub
+ LMID
+ [BR clockwise]
+ 0 0
+} def
+
+end
+%%EndResource
+
+%%BeginResource: procset LoutBasicSetup
+% @PrependGraphic file /export/home/6monthspace/jeff/lout.lib/include/bsf.lpg
+
+% width height linethickness louteuro -
+% draw a Euro symbol of this width and height with this line thickness
+/louteuro {
+ 20 dict begin
+ /eurothick exch def
+ /euroheight exch def
+ /eurowidth exch def
+ /eurostrokewidth euroheight 0.8 mul def
+ /eurostep eurothick 60 cos mul 60 sin div def
+ /eurotheta 40 def
+
+ % llx lly width thickness louteurobox -
+ % draw angled box starting at (llx, lly) with given width and thickness
+ /louteurobox
+ {
+ /euroboxthick exch def
+ /euroboxwidth exch def
+ newpath moveto euroboxwidth 0 rlineto
+ eurostep euroboxthick rlineto
+ euroboxwidth neg 0 rlineto closepath fill
+ } def
+
+ % lower cross stroke
+ 0 euroheight 2 div eurothick 1.5 mul sub
+ eurostrokewidth eurothick louteurobox
+
+ % upper cross stroke
+ 0 euroheight 2 div eurothick 0.5 mul add
+ eurostrokewidth eurostep 2 mul add eurothick louteurobox
+
+ % circular part
+ /eurohctr eurowidth euroheight 2 div eurotheta cos mul sub def
+ /eurovctr euroheight 2 div def
+ newpath
+ eurohctr eurovctr eurovctr eurotheta 350 eurotheta sub arc
+ eurohctr eurovctr eurovctr eurothick sub 365 eurotheta sub eurotheta arcn
+ closepath fill
+ end
+} def
+
+% path for @FullWidthRule symbol
+/LoutRule
+{ 0 0 moveto xsize 0 lineto
+} def
+
+% path for @Box symbol
+/LoutBox
+{ 0 0 moveto xsize 0 lineto
+ xsize ysize lineto 0 ysize lineto
+ closepath
+} def
+
+% path for @CurveBox symbol
+/LoutCurveBox
+{ xmark 0 moveto
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+1991(being)s 2576(replaced)s 3443(by)s 3737(the)s 4085(characters)s
+5103(the)s 3(y)k 5566(represent.)s
+grestore
+
+grestore
+
+grestore
+
+pgsave restore
+showpage
+
+%%Trailer
+%%DocumentNeededResources: font Courier
+%%+ font Helvetica
+%%+ font Symbol
+%%+ font Times-Roman
+%%+ font Times-Italic
+%%+ font Times-Bold
+%%+ font Times-Italic
+%%DocumentSuppliedResources: procset LoutStartUp
+%%+ procset LoutTabPrependGraphic
+%%+ procset LoutTblPrependGraphic
+%%+ procset LoutFigPrependGraphic
+%%+ procset LoutGraphPrependGraphic
+%%+ procset LoutFigPrependGraphic
+%%+ procset LoutBasicSetup
+%%+ encoding vec2
+%%Pages: 2
+%%EOF
diff --git a/doc/user/vcpp b/doc/user/vcpp
deleted file mode 100644
index b7c18ca..0000000
--- a/doc/user/vcpp
+++ /dev/null
@@ -1 +0,0 @@
-vi cpp cpp_lone cpp_embe cpp_opti cpp_chan cpp_tabs cpp_comm cpp_prog cpp_pipe cpp_erro
diff --git a/doc/user/vprg b/doc/user/vprg
new file mode 100644
index 0000000..21668ba
--- /dev/null
+++ b/doc/user/vprg
@@ -0,0 +1 @@
+vi prg prg_lone prg_embe prg_opti prg_chan prg_tabs prg_comm prg_prog prg_pipe prg_erro prg_perl
diff --git a/externs.h b/externs.h
index 0ee9b59..c1eca07 100644
--- a/externs.h
+++ b/externs.h
@@ -1,6 +1,6 @@
/*@externs.h:External Declarations:Directories and file conventions@**********/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
@@ -95,7 +95,7 @@ extern nl_catd MsgCat;
/* */
/*****************************************************************************/
-#define LOUT_VERSION AsciiToFull("Basser Lout Version 3.19 (March 2000)")
+#define LOUT_VERSION AsciiToFull("Basser Lout Version 3.20 (April 2000)")
#define CROSS_DB AsciiToFull("lout")
#define SOURCE_SUFFIX AsciiToFull(".lt")
#define INDEX_SUFFIX AsciiToFull(".li")
diff --git a/include/README b/include/README
index 008aac8..1a2389a 100644
--- a/include/README
+++ b/include/README
@@ -32,6 +32,8 @@ Setup files (containing mainly lists of options settable by the user)
cprint C and C++
eiffel Eiffel
blue Blue
+ perl Perl + Pod
+ pod Pod
Source files (containing Lout and PostScript source code for the packages)
--------------------------------------------------------------------------
@@ -58,24 +60,26 @@ Source files (containing Lout and PostScript source code for the packages)
graphf The Graph graph drawing package
graphf.etc A file included by graphf
graphf.lpg A PostScript prepend file needed by graphf
- progf Programming language formatting (for use by prg2lout)
- cprintf C and C++
- eiffelf Eiffel
- bluef Blue
pasf Pascal
modulaf Modula-2
latin2.fd Latin2 font definitions file (placeholder file)
russian.fd Russian font definitions file (placeholder file)
+ cprintf C and C++
+ eiffelf Eiffel
+ bluef Blue
+ perlf Perl
+ podf Pod
+
Miscellaneous
-------------
fontdefs Standard font definitions file
langdefs Standard language definitions file
- mydefs Empty file for if the user doesn't have one
+ mydefs Empty file for if the user doesn't have a mydefs
ts The ToySetup package (an expert users' intro. example)
init A Lout source file used during installation (lout -x)
Jeffrey H. Kingston
-9 March 2000
+8 April 2000
diff --git a/include/blue b/include/blue
index 78c5d33..94ae775 100644
--- a/include/blue
+++ b/include/blue
@@ -2,18 +2,19 @@
# #
# Lout setup file for Blue program printing #
# #
+# Version 3.0 #
# Jeffrey H. Kingston #
-# 23 February 2000 #
+# 5 April 2000 #
# #
###############################################################################
###############################################################################
# #
-# The @SysInclude { bluef } line #
+# @SysInclude line #
# #
-# This line causes Lout to read the definitions for Blue, and should #
-# not be touched. #
+# This line causes Lout to read the definitions for this programming #
+# language, and should not be touched. #
# #
###############################################################################
@@ -22,7 +23,7 @@
###############################################################################
# #
-# The @BlueSetup @Use clause #
+# @Use clause #
# #
# To change the default value of any option, delete the # at the start of #
# its line and change the value between braces. #
@@ -30,42 +31,72 @@
###############################################################################
@Use { @BlueSetup
- # style { varying @OrIfPlain fixed } # fixed, varying, or symbol
- # pipe { } # pipe source through this
-
- # fixedfont { Courier } # font family if fixed
- # fixedstrings { Base } # string face if fixed
- # fixedidentifiers { Base } # identifier face if fixed
- # fixedcomments { Base } # comment face if fixed
- # fixedkeywords { Base } # keyword face if fixed
- # fixednumbers { Base } # number face if fixed
- # fixedoperators { Base } # operator face if fixed
- # fixedsize { -1.0p } # font size if fixed
- # fixedline { 1.0vx } # line-space if fixed
- # fixedtabin { 8 } # tab interval if fixed
- # fixedtabout { 8s } # tab width if fixed
-
- # varyingfont { } # font family if varying
- # varyingstrings { Slope } # string face if varying
- # varyingidentifiers { Slope } # identifier face if varying
- # varyingcomments { Base } # comment face if varying
- # varyingkeywords { Bold } # keyword face if varying
- # varyingnumbers { Base } # number face if varying
- # varyingoperators { Base } # operator face if varying
- # varyingsize { 1.0f } # font size if varying
- # varyingline { 1.0vx } # line-space if varying
- # varyingtabin { 8 } # tab interval if varying
- # varyingtabout { 3f } # tab width if varying
-
- # symbolfont { } # font family if symbol
- # symbolstrings { Slope } # string face if symbol
- # symbolidentifiers { Slope } # identifier face if symbol
- # symbolcomments { Base } # comment face if symbol
- # symbolkeywords { Bold } # keyword face if symbol
- # symbolnumbers { Base } # number face if symbol
- # symboloperators { Base } # operator face if symbol
- # symbolsize { 1.0f } # font size if symbol
- # symbolline { 1.0vx } # line-space if symbol
- # symboltabin { 8 } # tab interval if symbol
- # symboltabout { 3f } # tab width if symbol
+ # pipe { } # pipe source through this
+ # style { varying @OrIfPlain fixed } # fixed, varying, or symbol
+
+ # the following options apply when style is "fixed"
+
+ # fixedfont { Courier } # font family
+ # fixedsize { -1.0p } # font size
+ # fixedline { 1.0vx } # line-space
+ # fixedtabin { 8 } # tab interval
+ # fixedtabout { 8s } # tab width
+
+ # fixedidentifiers { Base } # identifier face
+ # fixedkeywords { Base } # keyword face
+ # fixedoperators { Base } # operator face
+ # fixednumbers { Base } # number face
+ # fixedstrings { Base } # string face
+ # fixedcomments { Base } # comment face
+
+ # fixedidentifiersformat { @Body } # identifiers format
+ # fixedkeywordsformat { @Body } # keywords format
+ # fixedoperatorsformat { @Body } # operators format
+ # fixednumbersformat { @Body } # numbers format
+ # fixedstringsformat { @Body } # strings format
+ # fixedcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "varying"
+
+ # varyingfont { } # font family
+ # varyingsize { 1.0f } # font size
+ # varyingline { 1.0vx } # line-space
+ # varyingtabin { 8 } # tab interval
+ # varyingtabout { 3f } # tab width
+
+ # varyingidentifiers { Slope } # identifier face
+ # varyingkeywords { Bold } # keyword face
+ # varyingoperators { Base } # operator face
+ # varyingnumbers { Base } # number face
+ # varyingstrings { Slope } # string face
+ # varyingcomments { Base } # comment face
+
+ # varyingidentifiersformat { @Body } # identifiers format
+ # varyingkeywordsformat { @Body } # keywords format
+ # varyingoperatorsformat { @Body } # operators format
+ # varyingnumbersformat { @Body } # numbers format
+ # varyingstringsformat { @Body } # strings format
+ # varyingcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "symbol"
+
+ # symbolfont { } # font family
+ # symbolsize { 1.0f } # font size
+ # symbolline { 1.0vx } # line-space
+ # symboltabin { 8 } # tab interval
+ # symboltabout { 3f } # tab width
+
+ # symbolidentifiers { Slope } # identifier face
+ # symbolkeywords { Bold } # keyword face
+ # symboloperators { Base } # operator face
+ # symbolnumbers { Base } # number face
+ # symbolstrings { Slope } # string face
+ # symbolcomments { Base } # comment face
+
+ # symbolidentifiersformat { @Body } # identifiers format
+ # symbolkeywordsformat { @Body } # keywords format
+ # symboloperatorsformat { @Body } # operators format
+ # symbolnumbersformat { @Body } # numbers format
+ # symbolstringsformat { @Body } # strings format
+ # symbolcommentsformat { @Body } # comments format
}
diff --git a/include/bluef b/include/bluef
index 2966814..3574516 100644
--- a/include/bluef
+++ b/include/bluef
@@ -3,9 +3,11 @@
# #
# Lout @BlueSetup package for formatting Blue programs #
# #
-# Version 2.0 by Jeffrey H. Kingston, February 2000. #
+# Version 3.0 #
+# Jeffrey H. Kingston #
+# 5 April 2000 #
# #
-# This package uses a filtered body parameter to convert Blue source #
+# This package uses a filtered body parameter to convert program source #
# code into Lout source. The filter program is prg2lout, which is #
# distributed with Lout and should be compiled and installed wherever #
# Lout itself is. #
@@ -14,68 +16,96 @@
export @Blue
def @BlueSetup
+ named pipe { } # pipe through this first
named style
named @OrIfPlain left x right y
{ @BackEnd @Case { PlainText @Yield y else @Yield x } }
- { varying @OrIfPlain fixed } # print style
- named pipe { } # pipe through this first
-
- named fixedfont { Courier } # font family if fixed
- named fixedstrings { Base } # string face if fixed
- named fixedidentifiers { Base } # identifier face if fixed
- named fixedcomments { Base } # comment face if fixed
- named fixedkeywords { Base } # keyword face if fixed
- named fixednumbers { Base } # number face if fixed
- named fixedoperators { Base } # operator face if fixed
- named fixedsize { -1.0p } # font size if fixed
- named fixedline { 1.0vx } # line-space if fixed
- named fixedtabin { 8 } # tab interval if fixed
- named fixedtabout { 8s } # tab width if fixed
-
- named varyingfont { } # font family if varying
- named varyingstrings { Slope } # string face if varying
- named varyingidentifiers { Slope } # identifier face if varying
- named varyingcomments { Base } # comment face if varying
- named varyingkeywords { Bold } # keyword face if varying
- named varyingnumbers { Base } # number face if varying
- named varyingoperators { Base } # operator face if varying
- named varyingsize { 1.0f } # font size if varying
- named varyingline { 1.0vx } # line-space if varying
- named varyingtabin { 8 } # tab interval if varying
- named varyingtabout { 3f } # tab width if varying
-
- named symbolfont { } # font family if symbol
- named symbolstrings { Slope } # string face if symbol
- named symbolidentifiers { Slope } # identifier face if symbol
- named symbolcomments { Base } # comment face if symbol
- named symbolkeywords { Bold } # keyword face if symbol
- named symbolnumbers { Base } # number face if symbol
- named symboloperators { Base } # operator face if symbol
- named symbolsize { 1.0f } # font size if symbol
- named symbolline { 1.0vx } # line-space if symbol
- named symboltabin { 8 } # tab interval if symbol
- named symboltabout { 3f } # tab width if symbol
+ { varying @OrIfPlain fixed } # print style
+
+ # the following options apply when style is "fixed"
+ named fixedfont { Courier }# font family
+ named fixedsize { -1.0p } # font size
+ named fixedline { 1.0vx } # line-space
+ named fixedtabin { 8 } # tab interval
+ named fixedtabout { 8s } # tab width
+
+ named fixedidentifiers { Base } # identifier face
+ named fixedkeywords { Base } # keyword face
+ named fixedoperators { Base } # operator face
+ named fixednumbers { Base } # number face
+ named fixedstrings { Base } # string face
+ named fixedcomments { Base } # comment face
+
+ named fixedidentifiersformat right @Body { @Body } # identifier format
+ named fixedkeywordsformat right @Body { @Body } # keyword format
+ named fixedoperatorsformat right @Body { @Body } # operators format
+ named fixednumbersformat right @Body { @Body } # number format
+ named fixedstringsformat right @Body { @Body } # string format
+ named fixedcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "varying"
+ named varyingfont { } # font family
+ named varyingsize { 1.0f } # font size
+ named varyingline { 1.0vx } # line-space
+ named varyingtabin { 8 } # tab interval
+ named varyingtabout { 3f } # tab width
+
+ named varyingidentifiers { Slope } # identifier face
+ named varyingkeywords { Bold } # keyword face
+ named varyingoperators { Base } # operator face
+ named varyingnumbers { Base } # number face
+ named varyingstrings { Slope } # string face
+ named varyingcomments { Base } # comment face
+
+ named varyingidentifiersformat right @Body { @Body } # identifier format
+ named varyingkeywordsformat right @Body { @Body } # keyword format
+ named varyingoperatorsformat right @Body { @Body } # operators format
+ named varyingnumbersformat right @Body { @Body } # number format
+ named varyingstringsformat right @Body { @Body } # string format
+ named varyingcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "symbol"
+ named symbolfont { } # font family
+ named symbolsize { 1.0f } # font size
+ named symbolline { 1.0vx } # line-space
+ named symboltabin { 8 } # tab interval
+ named symboltabout { 3f } # tab width
+
+ named symbolidentifiers { Slope } # identifier face
+ named symbolkeywords { Bold } # keyword face
+ named symboloperators { Base } # operator face
+ named symbolnumbers { Base } # number face
+ named symbolstrings { Slope } # string face
+ named symbolcomments { Base } # comment face
+
+ named symbolidentifiersformat right @Body { @Body } # identifier format
+ named symbolkeywordsformat right @Body { @Body } # keyword format
+ named symboloperatorsformat right @Body { @Body } # operators format
+ named symbolnumbersformat right @Body { @Body } # number format
+ named symbolstringsformat right @Body { @Body } # string format
+ named symbolcommentsformat right @Body { @Body } # comment format
@Begin
export
- "$>" @S @D @C @K @N @O @A @ST @ED @M
+ @PI @PK @PO @PN @PS @PC @PA @PM @PD
+ @A "$>"
def @Blue
named style { style } # style
named pipe { pipe } # pipe through this first
named font { dft } # font family
- named strings { dft } # string font
- named identifiers { dft } # ident. font
- named comments { dft } # comment font
- named keywords { dft } # keyword font
- named numbers { dft } # number font
- named operators { dft } # operator font
named size { dft } # font size
named line { dft } # line-space
named tabin { dft } # tab interval
named tabout { dft } # tab width
+ named identifiers { dft } # ident. font
+ named keywords { dft } # keyword font
+ named operators { dft } # operator font
+ named numbers { dft } # number font
+ named strings { dft } # string font
+ named comments { dft } # comment font
body @Body # filtered, see below
@Begin
@@ -97,6 +127,18 @@ def @BlueSetup
}
}
+
+ def @Else # returns x, or y if x is dft
+ left x
+ right y
+ {
+ x @Case {
+ dft @Yield y
+ else @Yield x
+ }
+ }
+
+
def @InitTab
{
tabin @Test
@@ -105,6 +147,7 @@ def @BlueSetup
ifsymbol { symboltabin }
}
+
def @InitTabWidth
{
tabout @Test
@@ -113,6 +156,7 @@ def @BlueSetup
ifsymbol { symboltabout }
}
+
def @Filter
{
pipe @Case {
@@ -128,6 +172,7 @@ def @BlueSetup
}
}
+
def @InitFontFamily
{
font @Test
@@ -136,6 +181,7 @@ def @BlueSetup
ifsymbol { symbolfont }
}
+
def @InitSize
{
size @Test
@@ -144,6 +190,7 @@ def @BlueSetup
ifsymbol { symbolsize }
}
+
def @InitLine
{
line @Test
@@ -152,120 +199,153 @@ def @BlueSetup
ifsymbol { symbolline }
}
- def @S # for formatting strings
+
+ def @PI # for formatting identifiers
right x
{
- # "\"" &
- strings @Test
- iffixed { fixedstrings }
- ifvarying { varyingstrings }
- ifsymbol { symbolstrings }
- @Font x
- # & "\""
+ style @Case {
+ fixed @Yield fixedidentifiersformat {
+ { identifiers @Else fixedidentifiers } @Font x
+ }
+ varying @Yield varyingidentifiersformat {
+ { identifiers @Else varyingidentifiers } @Font x
+ }
+ symbol @Yield symbolidentifiersformat {
+ { identifiers @Else symbolidentifiers } @Font x
+ }
+ }
}
-# def "`"
-# {
-# style @Case {
-# symbol @Yield { "`" }
-# else @Yield { "'" }
-# }
-# }
- def @D # for formatting identifiers
+ def @PK # for formatting keywords
right x
{
- identifiers @Test
- iffixed { fixedidentifiers }
- ifvarying { varyingidentifiers }
- ifsymbol { symbolidentifiers }
- @Font x
+ style @Case {
+ fixed @Yield fixedkeywordsformat {
+ { keywords @Else fixedkeywords } @Font x
+ }
+ varying @Yield varyingkeywordsformat {
+ { keywords @Else varyingkeywords } @Font x
+ }
+ symbol @Yield symbolkeywordsformat {
+ { keywords @Else symbolkeywords } @Font x
+ }
+ }
}
- def @C # for formatting comments
+
+ def @PO # for formatting operators
right x
{
- comments @Test
- iffixed { fixedcomments }
- ifvarying { varyingcomments }
- ifsymbol { symbolcomments }
- @Font x
+ style @Case {
+ fixed @Yield fixedoperatorsformat {
+ { operators @Else fixedoperators } @Font x
+ }
+ varying @Yield varyingoperatorsformat {
+ { operators @Else varyingoperators } @Font x
+ }
+ symbol @Yield symboloperatorsformat {
+ { operators @Else symboloperators } @Font x
+ }
+ }
}
- def @K # for formatting keywords
+
+ def @PN # for formatting numbers
right x
{
- keywords @Test
- iffixed { fixedkeywords }
- ifvarying { varyingkeywords }
- ifsymbol { symbolkeywords }
- @Font x
+ style @Case {
+ fixed @Yield fixednumbersformat {
+ { numbers @Else fixednumbers } @Font x
+ }
+ varying @Yield varyingnumbersformat {
+ { numbers @Else varyingnumbers } @Font x
+ }
+ symbol @Yield symbolnumbersformat {
+ { numbers @Else symbolnumbers } @Font x
+ }
+ }
}
- def @N # for formatting numbers
+
+ def @PS # for formatting strings
right x
{
- numbers @Test
- iffixed { fixednumbers }
- ifvarying { varyingnumbers }
- ifsymbol { symbolnumbers }
- @Font x
+ style @Case {
+ fixed @Yield fixedstringsformat {
+ { strings @Else fixedstrings } @Font x
+ }
+ varying @Yield varyingstringsformat {
+ { strings @Else varyingstrings } @Font x
+ }
+ symbol @Yield symbolstringsformat {
+ { strings @Else symbolstrings } @Font x
+ }
+ }
}
- def @O # for formatting operators
+
+ def @PC # for formatting comments
right x
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font x
+ style @Case {
+ fixed @Yield fixedcommentsformat {
+ { comments @Else fixedcomments } @Font x
+ }
+ varying @Yield varyingcommentsformat {
+ { comments @Else varyingcomments } @Font x
+ }
+ symbol @Yield symbolcommentsformat {
+ { comments @Else symbolcomments } @Font x
+ }
+ }
}
- def @A # get characters from the Adobe Symbol font
- left sym
- right x
+
+ def @PA # for formatting asterisks
{
- style @Case {
- symbol @Yield { { Symbol Base } @Font @Char sym }
- else @Yield { x }
+ @PO @BackEnd @Case {
+ PlainText @Yield "*"
+ else @Yield { "0.5w" @VShift "*" }
}
}
- def @ST # for formatting asterisks
- right x
+
+ def @PM # for formatting minus signs
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font "0.5w" @VShift x
+ @PO @BackEnd @Case {
+ PlainText @Yield "-"
+ else @Yield style @Case {
+ fixed @Yield "-"
+ else @Yield { { Symbol Base } @Font @Char "minus" }
+ }
+ }
}
- def @ED # for formatting larger dots
- right x
+
+ def @PD # for formatting dots, if wanted larger
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font @BackEnd @Case {
- PlainText @Yield x
- else @Yield { "1.2f" @Font "+0.05f" @VShift @O x &"0.05f" }
+ @PO @BackEnd @Case {
+ PlainText @Yield "."
+ else @Yield { "1.4f" @Font "+0.04f" @VShift "." &"0.05f" }
}
}
- macro "$>" { {} & }
- def @M right x
+ def @A # get characters from the Adobe Symbol font
+ left sym
+ right x
{
style @Case {
- fixed @Yield "-"
- varying @Yield { { Symbol Base } @Font @Char minus }
- symbol @Yield { { Symbol Base } @Font @Char minus }
+ symbol @Yield { { Symbol Base } @Font @Char sym }
+ else @Yield { x }
}
}
+
+ macro "$>" { {} & }
+
+
{ @InitFontFamily Base @InitSize } @Font
{ @InitLine lines } @Break @Body
diff --git a/include/cprint b/include/cprint
index e720b22..b3d69c5 100644
--- a/include/cprint
+++ b/include/cprint
@@ -1,19 +1,20 @@
###############################################################################
# #
-# Lout setup file for C program printing #
+# Lout setup file for C and C++ program printing #
# #
+# Version 3.0 #
# Jeffrey H. Kingston #
-# 23 February 2000 #
+# 5 April 2000 #
# #
###############################################################################
###############################################################################
# #
-# The @SysInclude { cprintf } line #
+# @SysInclude line #
# #
-# This line causes Lout to read the definitions for C, and should #
-# not be touched. #
+# This line causes Lout to read the definitions for this programming #
+# language, and should not be touched. #
# #
###############################################################################
@@ -22,7 +23,7 @@
###############################################################################
# #
-# The @CPSetup @Use clause #
+# @Use clause #
# #
# To change the default value of any option, delete the # at the start of #
# its line and change the value between braces. #
@@ -30,42 +31,72 @@
###############################################################################
@Use { @CPSetup
- # style { fixed } # fixed, varying, or symbol
- # pipe { } # pipe source through this
-
- # fixedfont { Courier } # font family if fixed
- # fixedstrings { Base } # string face if fixed
- # fixedidentifiers { Base } # identifier face if fixed
- # fixedcomments { Base } # comment face if fixed
- # fixedkeywords { Base } # keyword face if fixed
- # fixednumbers { Base } # number face if fixed
- # fixedoperators { Base } # operator face if fixed
- # fixedsize { -1.0p } # font size if fixed
- # fixedline { 1.0vx } # line-space if fixed
- # fixedtabin { 8 } # tab interval if fixed
- # fixedtabout { 8s } # tab width if fixed
-
- # varyingfont { } # font family if varying
- # varyingstrings { Slope } # string face if varying
- # varyingidentifiers { Slope } # identifier face if varying
- # varyingcomments { Base } # comment face if varying
- # varyingkeywords { Bold } # keyword face if varying
- # varyingnumbers { Base } # number face if varying
- # varyingoperators { Base } # operator face if varying
- # varyingsize { 1.0f } # font size if varying
- # varyingline { 1.0vx } # line-space if varying
- # varyingtabin { 8 } # tab interval if varying
- # varyingtabout { 3f } # tab width if varying
-
- # symbolfont { } # font family if symbol
- # symbolstrings { Slope } # string face if symbol
- # symbolidentifiers { Slope } # identifier face if symbol
- # symbolcomments { Base } # comment face if symbol
- # symbolkeywords { Bold } # keyword face if symbol
- # symbolnumbers { Base } # number face if symbol
- # symboloperators { Base } # operator face if symbol
- # symbolsize { 1.0f } # font size if symbol
- # symbolline { 1.0vx } # line-space if symbol
- # symboltabin { 8 } # tab interval if symbol
- # symboltabout { 3f } # tab width if symbol
+ # pipe { } # pipe source through this
+ # style { fixed } # fixed, varying, or symbol
+
+ # the following options apply when style is "fixed"
+
+ # fixedfont { Courier } # font family
+ # fixedsize { -1.0p } # font size
+ # fixedline { 1.0vx } # line-space
+ # fixedtabin { 8 } # tab interval
+ # fixedtabout { 8s } # tab width
+
+ # fixedidentifiers { Base } # identifier face
+ # fixedkeywords { Base } # keyword face
+ # fixedoperators { Base } # operator face
+ # fixednumbers { Base } # number face
+ # fixedstrings { Base } # string face
+ # fixedcomments { Base } # comment face
+
+ # fixedidentifiersformat { @Body } # identifiers format
+ # fixedkeywordsformat { @Body } # keywords format
+ # fixedoperatorsformat { @Body } # operators format
+ # fixednumbersformat { @Body } # numbers format
+ # fixedstringsformat { @Body } # strings format
+ # fixedcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "varying"
+
+ # varyingfont { } # font family
+ # varyingsize { 1.0f } # font size
+ # varyingline { 1.0vx } # line-space
+ # varyingtabin { 8 } # tab interval
+ # varyingtabout { 3f } # tab width
+
+ # varyingidentifiers { Slope } # identifier face
+ # varyingkeywords { Bold } # keyword face
+ # varyingoperators { Base } # operator face
+ # varyingnumbers { Base } # number face
+ # varyingstrings { Slope } # string face
+ # varyingcomments { Base } # comment face
+
+ # varyingidentifiersformat { @Body } # identifiers format
+ # varyingkeywordsformat { @Body } # keywords format
+ # varyingoperatorsformat { @Body } # operators format
+ # varyingnumbersformat { @Body } # numbers format
+ # varyingstringsformat { @Body } # strings format
+ # varyingcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "symbol"
+
+ # symbolfont { } # font family
+ # symbolsize { 1.0f } # font size
+ # symbolline { 1.0vx } # line-space
+ # symboltabin { 8 } # tab interval
+ # symboltabout { 3f } # tab width
+
+ # symbolidentifiers { Slope } # identifier face
+ # symbolkeywords { Bold } # keyword face
+ # symboloperators { Base } # operator face
+ # symbolnumbers { Base } # number face
+ # symbolstrings { Slope } # string face
+ # symbolcomments { Base } # comment face
+
+ # symbolidentifiersformat { @Body } # identifiers format
+ # symbolkeywordsformat { @Body } # keywords format
+ # symboloperatorsformat { @Body } # operators format
+ # symbolnumbersformat { @Body } # numbers format
+ # symbolstringsformat { @Body } # strings format
+ # symbolcommentsformat { @Body } # comments format
}
diff --git a/include/cprintf b/include/cprintf
index 313b110..5a2ce50 100644
--- a/include/cprintf
+++ b/include/cprintf
@@ -1,11 +1,13 @@
###############################################################################
# #
-# Lout @CPSetup package for formatting C programs #
+# Lout @CPSetup package for formatting C and C++ programs #
# #
-# Version 2.0 by Jeffrey H. Kingston, February 2000. #
+# Version 3.0 #
+# Jeffrey H. Kingston #
+# 5 April 2000 #
# #
-# This package uses a filtered body parameter to convert C source #
+# This package uses a filtered body parameter to convert program source #
# code into Lout source. The filter program is prg2lout, which is #
# distributed with Lout and should be compiled and installed wherever #
# Lout itself is. #
@@ -14,69 +16,96 @@
export @CP
def @CPSetup
+ named pipe { } # pipe through this first
named style
- named @OrIfPlain left x right y
- { @BackEnd @Case { PlainText @Yield y else @Yield x } }
- { fixed } # print style
-
- named pipe { } # pipe through this first
-
- named fixedfont { Courier } # font family if fixed
- named fixedstrings { Base } # string face if fixed
- named fixedidentifiers { Base } # identifier face if fixed
- named fixedcomments { Base } # comment face if fixed
- named fixedkeywords { Base } # keyword face if fixed
- named fixednumbers { Base } # number face if fixed
- named fixedoperators { Base } # operator face if fixed
- named fixedsize { -1.0p } # font size if fixed
- named fixedline { 1.0vx } # line-space if fixed
- named fixedtabin { 8 } # tab interval if fixed
- named fixedtabout { 8s } # tab width if fixed
-
- named varyingfont { } # font family if varying
- named varyingstrings { Slope } # string face if varying
- named varyingidentifiers { Slope } # identifier face if varying
- named varyingcomments { Base } # comment face if varying
- named varyingkeywords { Bold } # keyword face if varying
- named varyingnumbers { Base } # number face if varying
- named varyingoperators { Base } # operator face if varying
- named varyingsize { 1.0f } # font size if varying
- named varyingline { 1.0vx } # line-space if varying
- named varyingtabin { 8 } # tab interval if varying
- named varyingtabout { 3f } # tab width if varying
-
- named symbolfont { } # font family if symbol
- named symbolstrings { Slope } # string face if symbol
- named symbolidentifiers { Slope } # identifier face if symbol
- named symbolcomments { Base } # comment face if symbol
- named symbolkeywords { Bold } # keyword face if symbol
- named symbolnumbers { Base } # number face if symbol
- named symboloperators { Base } # operator face if symbol
- named symbolsize { 1.0f } # font size if symbol
- named symbolline { 1.0vx } # line-space if symbol
- named symboltabin { 8 } # tab interval if symbol
- named symboltabout { 3f } # tab width if symbol
+ named @OrIfPlain left x right y
+ { @BackEnd @Case { PlainText @Yield y else @Yield x } }
+ { fixed } # print style
+
+ # the following options apply when style is "fixed"
+ named fixedfont { Courier }# font family
+ named fixedsize { -1.0p } # font size
+ named fixedline { 1.0vx } # line-space
+ named fixedtabin { 8 } # tab interval
+ named fixedtabout { 8s } # tab width
+
+ named fixedidentifiers { Base } # identifier face
+ named fixedkeywords { Base } # keyword face
+ named fixedoperators { Base } # operator face
+ named fixednumbers { Base } # number face
+ named fixedstrings { Base } # string face
+ named fixedcomments { Base } # comment face
+
+ named fixedidentifiersformat right @Body { @Body } # identifier format
+ named fixedkeywordsformat right @Body { @Body } # keyword format
+ named fixedoperatorsformat right @Body { @Body } # operators format
+ named fixednumbersformat right @Body { @Body } # number format
+ named fixedstringsformat right @Body { @Body } # string format
+ named fixedcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "varying"
+ named varyingfont { } # font family
+ named varyingsize { 1.0f } # font size
+ named varyingline { 1.0vx } # line-space
+ named varyingtabin { 8 } # tab interval
+ named varyingtabout { 3f } # tab width
+
+ named varyingidentifiers { Slope } # identifier face
+ named varyingkeywords { Bold } # keyword face
+ named varyingoperators { Base } # operator face
+ named varyingnumbers { Base } # number face
+ named varyingstrings { Slope } # string face
+ named varyingcomments { Base } # comment face
+
+ named varyingidentifiersformat right @Body { @Body } # identifier format
+ named varyingkeywordsformat right @Body { @Body } # keyword format
+ named varyingoperatorsformat right @Body { @Body } # operators format
+ named varyingnumbersformat right @Body { @Body } # number format
+ named varyingstringsformat right @Body { @Body } # string format
+ named varyingcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "symbol"
+ named symbolfont { } # font family
+ named symbolsize { 1.0f } # font size
+ named symbolline { 1.0vx } # line-space
+ named symboltabin { 8 } # tab interval
+ named symboltabout { 3f } # tab width
+
+ named symbolidentifiers { Slope } # identifier face
+ named symbolkeywords { Bold } # keyword face
+ named symboloperators { Base } # operator face
+ named symbolnumbers { Base } # number face
+ named symbolstrings { Slope } # string face
+ named symbolcomments { Base } # comment face
+
+ named symbolidentifiersformat right @Body { @Body } # identifier format
+ named symbolkeywordsformat right @Body { @Body } # keyword format
+ named symboloperatorsformat right @Body { @Body } # operators format
+ named symbolnumbersformat right @Body { @Body } # number format
+ named symbolstringsformat right @Body { @Body } # string format
+ named symbolcommentsformat right @Body { @Body } # comment format
@Begin
export
- "$>" @S @D @C @K @N @O @A @ST @ED @M
+ @PI @PK @PO @PN @PS @PC @PA @PM @PD
+ @A "$>"
def @CP
named style { style } # style
named pipe { pipe } # pipe through this first
named font { dft } # font family
- named strings { dft } # string font
- named identifiers { dft } # ident. font
- named comments { dft } # comment font
- named keywords { dft } # keyword font
- named numbers { dft } # number font
- named operators { dft } # operator font
named size { dft } # font size
named line { dft } # line-space
named tabin { dft } # tab interval
named tabout { dft } # tab width
+ named identifiers { dft } # ident. font
+ named keywords { dft } # keyword font
+ named operators { dft } # operator font
+ named numbers { dft } # number font
+ named strings { dft } # string font
+ named comments { dft } # comment font
body @Body # filtered, see below
@Begin
@@ -98,6 +127,18 @@ def @CPSetup
}
}
+
+ def @Else # returns x, or y if x is dft
+ left x
+ right y
+ {
+ x @Case {
+ dft @Yield y
+ else @Yield x
+ }
+ }
+
+
def @InitTab
{
tabin @Test
@@ -106,6 +147,7 @@ def @CPSetup
ifsymbol { symboltabin }
}
+
def @InitTabWidth
{
tabout @Test
@@ -114,6 +156,7 @@ def @CPSetup
ifsymbol { symboltabout }
}
+
def @Filter
{
pipe @Case {
@@ -129,6 +172,7 @@ def @CPSetup
}
}
+
def @InitFontFamily
{
font @Test
@@ -137,6 +181,7 @@ def @CPSetup
ifsymbol { symbolfont }
}
+
def @InitSize
{
size @Test
@@ -145,6 +190,7 @@ def @CPSetup
ifsymbol { symbolsize }
}
+
def @InitLine
{
line @Test
@@ -153,120 +199,153 @@ def @CPSetup
ifsymbol { symbolline }
}
- def @S # for formatting strings
+
+ def @PI # for formatting identifiers
right x
{
- # "\"" &
- strings @Test
- iffixed { fixedstrings }
- ifvarying { varyingstrings }
- ifsymbol { symbolstrings }
- @Font x
- # & "\""
+ style @Case {
+ fixed @Yield fixedidentifiersformat {
+ { identifiers @Else fixedidentifiers } @Font x
+ }
+ varying @Yield varyingidentifiersformat {
+ { identifiers @Else varyingidentifiers } @Font x
+ }
+ symbol @Yield symbolidentifiersformat {
+ { identifiers @Else symbolidentifiers } @Font x
+ }
+ }
}
-# def "`"
-# {
-# style @Case {
-# symbol @Yield { "`" }
-# else @Yield { "'" }
-# }
-# }
- def @D # for formatting identifiers
+ def @PK # for formatting keywords
right x
{
- identifiers @Test
- iffixed { fixedidentifiers }
- ifvarying { varyingidentifiers }
- ifsymbol { symbolidentifiers }
- @Font x
+ style @Case {
+ fixed @Yield fixedkeywordsformat {
+ { keywords @Else fixedkeywords } @Font x
+ }
+ varying @Yield varyingkeywordsformat {
+ { keywords @Else varyingkeywords } @Font x
+ }
+ symbol @Yield symbolkeywordsformat {
+ { keywords @Else symbolkeywords } @Font x
+ }
+ }
}
- def @C # for formatting comments
+
+ def @PO # for formatting operators
right x
{
- comments @Test
- iffixed { fixedcomments }
- ifvarying { varyingcomments }
- ifsymbol { symbolcomments }
- @Font x
+ style @Case {
+ fixed @Yield fixedoperatorsformat {
+ { operators @Else fixedoperators } @Font x
+ }
+ varying @Yield varyingoperatorsformat {
+ { operators @Else varyingoperators } @Font x
+ }
+ symbol @Yield symboloperatorsformat {
+ { operators @Else symboloperators } @Font x
+ }
+ }
}
- def @K # for formatting keywords
+
+ def @PN # for formatting numbers
right x
{
- keywords @Test
- iffixed { fixedkeywords }
- ifvarying { varyingkeywords }
- ifsymbol { symbolkeywords }
- @Font x
+ style @Case {
+ fixed @Yield fixednumbersformat {
+ { numbers @Else fixednumbers } @Font x
+ }
+ varying @Yield varyingnumbersformat {
+ { numbers @Else varyingnumbers } @Font x
+ }
+ symbol @Yield symbolnumbersformat {
+ { numbers @Else symbolnumbers } @Font x
+ }
+ }
}
- def @N # for formatting numbers
+
+ def @PS # for formatting strings
right x
{
- numbers @Test
- iffixed { fixednumbers }
- ifvarying { varyingnumbers }
- ifsymbol { symbolnumbers }
- @Font x
+ style @Case {
+ fixed @Yield fixedstringsformat {
+ { strings @Else fixedstrings } @Font x
+ }
+ varying @Yield varyingstringsformat {
+ { strings @Else varyingstrings } @Font x
+ }
+ symbol @Yield symbolstringsformat {
+ { strings @Else symbolstrings } @Font x
+ }
+ }
}
- def @O # for formatting operators
+
+ def @PC # for formatting comments
right x
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font x
+ style @Case {
+ fixed @Yield fixedcommentsformat {
+ { comments @Else fixedcomments } @Font x
+ }
+ varying @Yield varyingcommentsformat {
+ { comments @Else varyingcomments } @Font x
+ }
+ symbol @Yield symbolcommentsformat {
+ { comments @Else symbolcomments } @Font x
+ }
+ }
}
- def @A # get characters from the Adobe Symbol font
- left sym
- right x
+
+ def @PA # for formatting asterisks
{
- style @Case {
- symbol @Yield { { Symbol Base } @Font @Char sym }
- else @Yield { x }
+ @PO @BackEnd @Case {
+ PlainText @Yield "*"
+ else @Yield { "0.5w" @VShift "*" }
}
}
- def @ST # for formatting asterisks
- right x
+
+ def @PM # for formatting minus signs
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font "0.5w" @VShift x
+ @PO @BackEnd @Case {
+ PlainText @Yield "-"
+ else @Yield style @Case {
+ fixed @Yield "-"
+ else @Yield { { Symbol Base } @Font @Char "minus" }
+ }
+ }
}
-
- def @ED # for formatting larger dots (not used in C)
- right x
+
+
+ def @PD # for formatting dots, if wanted larger
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font @BackEnd @Case {
- PlainText @Yield x
- else @Yield { "1.2f" @Font "+0.05f" @VShift @O x &"0.05f" }
+ @PO @BackEnd @Case {
+ PlainText @Yield "."
+ else @Yield { "1.4f" @Font "+0.04f" @VShift "." &"0.05f" }
}
}
- macro "$>" { {} & }
- def @M right x
+ def @A # get characters from the Adobe Symbol font
+ left sym
+ right x
{
style @Case {
- fixed @Yield "-"
- varying @Yield { { Symbol Base } @Font @Char minus }
- symbol @Yield { { Symbol Base } @Font @Char minus }
+ symbol @Yield { { Symbol Base } @Font @Char sym }
+ else @Yield { x }
}
}
+
+ macro "$>" { {} & }
+
+
{ @InitFontFamily Base @InitSize } @Font
{ @InitLine lines } @Break @Body
diff --git a/include/eiffel b/include/eiffel
index a55d5f7..e31a170 100644
--- a/include/eiffel
+++ b/include/eiffel
@@ -2,18 +2,19 @@
# #
# Lout setup file for Eiffel program printing #
# #
+# Version 3.0 #
# Jeffrey H. Kingston #
-# 23 February 2000 #
+# 5 April 2000 #
# #
###############################################################################
###############################################################################
# #
-# The @SysInclude { eiffelf } line #
+# @SysInclude line #
# #
-# This line causes Lout to read the definitions for Eiffel, and should #
-# not be touched. #
+# This line causes Lout to read the definitions for this programming #
+# language, and should not be touched. #
# #
###############################################################################
@@ -22,7 +23,7 @@
###############################################################################
# #
-# The @EiffelSetup @Use clause #
+# @Use clause #
# #
# To change the default value of any option, delete the # at the start of #
# its line and change the value between braces. #
@@ -30,42 +31,72 @@
###############################################################################
@Use { @EiffelSetup
- # style { varying @OrIfPlain fixed } # fixed, varying, or symbol
- # pipe { } # pipe source through this
-
- # fixedfont { Courier } # font family if fixed
- # fixedstrings { Base } # string face if fixed
- # fixedidentifiers { Base } # identifier face if fixed
- # fixedcomments { Base } # comment face if fixed
- # fixedkeywords { Base } # keyword face if fixed
- # fixednumbers { Base } # number face if fixed
- # fixedoperators { Base } # operator face if fixed
- # fixedsize { -1.0p } # font size if fixed
- # fixedline { 1.0vx } # line-space if fixed
- # fixedtabin { 8 } # tab interval if fixed
- # fixedtabout { 8s } # tab width if fixed
-
- # varyingfont { } # font family if varying
- # varyingstrings { Slope } # string face if varying
- # varyingidentifiers { Slope } # identifier face if varying
- # varyingcomments { Base } # comment face if varying
- # varyingkeywords { Bold } # keyword face if varying
- # varyingnumbers { Base } # number face if varying
- # varyingoperators { Base } # operator face if varying
- # varyingsize { 1.0f } # font size if varying
- # varyingline { 1.0vx } # line-space if varying
- # varyingtabin { 8 } # tab interval if varying
- # varyingtabout { 3f } # tab width if varying
-
- # symbolfont { } # font family if symbol
- # symbolstrings { Slope } # string face if symbol
- # symbolidentifiers { Slope } # identifier face if symbol
- # symbolcomments { Base } # comment face if symbol
- # symbolkeywords { Bold } # keyword face if symbol
- # symbolnumbers { Base } # number face if symbol
- # symboloperators { Base } # operator face if symbol
- # symbolsize { 1.0f } # font size if symbol
- # symbolline { 1.0vx } # line-space if symbol
- # symboltabin { 8 } # tab interval if symbol
- # symboltabout { 3f } # tab width if symbol
+ # pipe { } # pipe source through this
+ # style { varying @OrIfPlain fixed } # fixed, varying, or symbol
+
+ # the following options apply when style is "fixed"
+
+ # fixedfont { Courier } # font family
+ # fixedsize { -1.0p } # font size
+ # fixedline { 1.0vx } # line-space
+ # fixedtabin { 8 } # tab interval
+ # fixedtabout { 8s } # tab width
+
+ # fixedidentifiers { Base } # identifier face
+ # fixedkeywords { Base } # keyword face
+ # fixedoperators { Base } # operator face
+ # fixednumbers { Base } # number face
+ # fixedstrings { Base } # string face
+ # fixedcomments { Base } # comment face
+
+ # fixedidentifiersformat { @Body } # identifiers format
+ # fixedkeywordsformat { @Body } # keywords format
+ # fixedoperatorsformat { @Body } # operators format
+ # fixednumbersformat { @Body } # numbers format
+ # fixedstringsformat { @Body } # strings format
+ # fixedcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "varying"
+
+ # varyingfont { } # font family
+ # varyingsize { 1.0f } # font size
+ # varyingline { 1.0vx } # line-space
+ # varyingtabin { 8 } # tab interval
+ # varyingtabout { 3f } # tab width
+
+ # varyingidentifiers { Slope } # identifier face
+ # varyingkeywords { Bold } # keyword face
+ # varyingoperators { Base } # operator face
+ # varyingnumbers { Base } # number face
+ # varyingstrings { Slope } # string face
+ # varyingcomments { Base } # comment face
+
+ # varyingidentifiersformat { @Body } # identifiers format
+ # varyingkeywordsformat { @Body } # keywords format
+ # varyingoperatorsformat { @Body } # operators format
+ # varyingnumbersformat { @Body } # numbers format
+ # varyingstringsformat { @Body } # strings format
+ # varyingcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "symbol"
+
+ # symbolfont { } # font family
+ # symbolsize { 1.0f } # font size
+ # symbolline { 1.0vx } # line-space
+ # symboltabin { 8 } # tab interval
+ # symboltabout { 3f } # tab width
+
+ # symbolidentifiers { Slope } # identifier face
+ # symbolkeywords { Bold } # keyword face
+ # symboloperators { Base } # operator face
+ # symbolnumbers { Base } # number face
+ # symbolstrings { Slope } # string face
+ # symbolcomments { Base } # comment face
+
+ # symbolidentifiersformat { @Body } # identifiers format
+ # symbolkeywordsformat { @Body } # keywords format
+ # symboloperatorsformat { @Body } # operators format
+ # symbolnumbersformat { @Body } # numbers format
+ # symbolstringsformat { @Body } # strings format
+ # symbolcommentsformat { @Body } # comments format
}
diff --git a/include/eiffelf b/include/eiffelf
index 5ba94e1..2beaa6e 100644
--- a/include/eiffelf
+++ b/include/eiffelf
@@ -3,9 +3,11 @@
# #
# Lout @EiffelSetup package for formatting Eiffel programs #
# #
-# Version 2.0 by Jeffrey H. Kingston, February 2000. #
+# Version 3.0 #
+# Jeffrey H. Kingston #
+# 5 April 2000 #
# #
-# This package uses a filtered body parameter to convert Eiffel source #
+# This package uses a filtered body parameter to convert program source #
# code into Lout source. The filter program is prg2lout, which is #
# distributed with Lout and should be compiled and installed wherever #
# Lout itself is. #
@@ -14,68 +16,96 @@
export @Eiffel
def @EiffelSetup
+ named pipe { } # pipe through this first
named style
named @OrIfPlain left x right y
{ @BackEnd @Case { PlainText @Yield y else @Yield x } }
- { varying @OrIfPlain fixed } # print style
- named pipe { } # pipe through this first
-
- named fixedfont { Courier } # font family if fixed
- named fixedstrings { Base } # string face if fixed
- named fixedidentifiers { Base } # identifier face if fixed
- named fixedcomments { Base } # comment face if fixed
- named fixedkeywords { Base } # keyword face if fixed
- named fixednumbers { Base } # number face if fixed
- named fixedoperators { Base } # operator face if fixed
- named fixedsize { -1.0p } # font size if fixed
- named fixedline { 1.0vx } # line-space if fixed
- named fixedtabin { 8 } # tab interval if fixed
- named fixedtabout { 8s } # tab width if fixed
-
- named varyingfont { } # font family if varying
- named varyingstrings { Slope } # string face if varying
- named varyingidentifiers { Slope } # identifier face if varying
- named varyingcomments { Base } # comment face if varying
- named varyingkeywords { Bold } # keyword face if varying
- named varyingnumbers { Base } # number face if varying
- named varyingoperators { Base } # operator face if varying
- named varyingsize { 1.0f } # font size if varying
- named varyingline { 1.0vx } # line-space if varying
- named varyingtabin { 8 } # tab interval if varying
- named varyingtabout { 3f } # tab width if varying
-
- named symbolfont { } # font family if symbol
- named symbolstrings { Slope } # string face if symbol
- named symbolidentifiers { Slope } # identifier face if symbol
- named symbolcomments { Base } # comment face if symbol
- named symbolkeywords { Bold } # keyword face if symbol
- named symbolnumbers { Base } # number face if symbol
- named symboloperators { Base } # operator face if symbol
- named symbolsize { 1.0f } # font size if symbol
- named symbolline { 1.0vx } # line-space if symbol
- named symboltabin { 8 } # tab interval if symbol
- named symboltabout { 3f } # tab width if symbol
+ { varying @OrIfPlain fixed } # print style
+
+ # the following options apply when style is "fixed"
+ named fixedfont { Courier }# font family
+ named fixedsize { -1.0p } # font size
+ named fixedline { 1.0vx } # line-space
+ named fixedtabin { 8 } # tab interval
+ named fixedtabout { 8s } # tab width
+
+ named fixedidentifiers { Base } # identifier face
+ named fixedkeywords { Base } # keyword face
+ named fixedoperators { Base } # operator face
+ named fixednumbers { Base } # number face
+ named fixedstrings { Base } # string face
+ named fixedcomments { Base } # comment face
+
+ named fixedidentifiersformat right @Body { @Body } # identifier format
+ named fixedkeywordsformat right @Body { @Body } # keyword format
+ named fixedoperatorsformat right @Body { @Body } # operators format
+ named fixednumbersformat right @Body { @Body } # number format
+ named fixedstringsformat right @Body { @Body } # string format
+ named fixedcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "varying"
+ named varyingfont { } # font family
+ named varyingsize { 1.0f } # font size
+ named varyingline { 1.0vx } # line-space
+ named varyingtabin { 8 } # tab interval
+ named varyingtabout { 3f } # tab width
+
+ named varyingidentifiers { Slope } # identifier face
+ named varyingkeywords { Bold } # keyword face
+ named varyingoperators { Base } # operator face
+ named varyingnumbers { Base } # number face
+ named varyingstrings { Slope } # string face
+ named varyingcomments { Base } # comment face
+
+ named varyingidentifiersformat right @Body { @Body } # identifier format
+ named varyingkeywordsformat right @Body { @Body } # keyword format
+ named varyingoperatorsformat right @Body { @Body } # operators format
+ named varyingnumbersformat right @Body { @Body } # number format
+ named varyingstringsformat right @Body { @Body } # string format
+ named varyingcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "symbol"
+ named symbolfont { } # font family
+ named symbolsize { 1.0f } # font size
+ named symbolline { 1.0vx } # line-space
+ named symboltabin { 8 } # tab interval
+ named symboltabout { 3f } # tab width
+
+ named symbolidentifiers { Slope } # identifier face
+ named symbolkeywords { Bold } # keyword face
+ named symboloperators { Base } # operator face
+ named symbolnumbers { Base } # number face
+ named symbolstrings { Slope } # string face
+ named symbolcomments { Base } # comment face
+
+ named symbolidentifiersformat right @Body { @Body } # identifier format
+ named symbolkeywordsformat right @Body { @Body } # keyword format
+ named symboloperatorsformat right @Body { @Body } # operators format
+ named symbolnumbersformat right @Body { @Body } # number format
+ named symbolstringsformat right @Body { @Body } # string format
+ named symbolcommentsformat right @Body { @Body } # comment format
@Begin
export
- "$>" @S @D @C @K @N @O @A @ST @ED @M
+ @PI @PK @PO @PN @PS @PC @PA @PM @PD
+ @A "$>"
def @Eiffel
named style { style } # style
named pipe { pipe } # pipe through this first
named font { dft } # font family
- named strings { dft } # string font
- named identifiers { dft } # ident. font
- named comments { dft } # comment font
- named keywords { dft } # keyword font
- named numbers { dft } # number font
- named operators { dft } # operator font
named size { dft } # font size
named line { dft } # line-space
named tabin { dft } # tab interval
named tabout { dft } # tab width
+ named identifiers { dft } # ident. font
+ named keywords { dft } # keyword font
+ named operators { dft } # operator font
+ named numbers { dft } # number font
+ named strings { dft } # string font
+ named comments { dft } # comment font
body @Body # filtered, see below
@Begin
@@ -97,6 +127,18 @@ def @EiffelSetup
}
}
+
+ def @Else # returns x, or y if x is dft
+ left x
+ right y
+ {
+ x @Case {
+ dft @Yield y
+ else @Yield x
+ }
+ }
+
+
def @InitTab
{
tabin @Test
@@ -105,6 +147,7 @@ def @EiffelSetup
ifsymbol { symboltabin }
}
+
def @InitTabWidth
{
tabout @Test
@@ -113,6 +156,7 @@ def @EiffelSetup
ifsymbol { symboltabout }
}
+
def @Filter
{
pipe @Case {
@@ -128,6 +172,7 @@ def @EiffelSetup
}
}
+
def @InitFontFamily
{
font @Test
@@ -136,6 +181,7 @@ def @EiffelSetup
ifsymbol { symbolfont }
}
+
def @InitSize
{
size @Test
@@ -144,6 +190,7 @@ def @EiffelSetup
ifsymbol { symbolsize }
}
+
def @InitLine
{
line @Test
@@ -152,120 +199,153 @@ def @EiffelSetup
ifsymbol { symbolline }
}
- def @S # for formatting strings
+
+ def @PI # for formatting identifiers
right x
{
- # "\"" &
- strings @Test
- iffixed { fixedstrings }
- ifvarying { varyingstrings }
- ifsymbol { symbolstrings }
- @Font x
- # & "\""
+ style @Case {
+ fixed @Yield fixedidentifiersformat {
+ { identifiers @Else fixedidentifiers } @Font x
+ }
+ varying @Yield varyingidentifiersformat {
+ { identifiers @Else varyingidentifiers } @Font x
+ }
+ symbol @Yield symbolidentifiersformat {
+ { identifiers @Else symbolidentifiers } @Font x
+ }
+ }
}
-# def "`"
-# {
-# style @Case {
-# symbol @Yield { "`" }
-# else @Yield { "'" }
-# }
-# }
- def @D # for formatting identifiers
+ def @PK # for formatting keywords
right x
{
- identifiers @Test
- iffixed { fixedidentifiers }
- ifvarying { varyingidentifiers }
- ifsymbol { symbolidentifiers }
- @Font x
+ style @Case {
+ fixed @Yield fixedkeywordsformat {
+ { keywords @Else fixedkeywords } @Font x
+ }
+ varying @Yield varyingkeywordsformat {
+ { keywords @Else varyingkeywords } @Font x
+ }
+ symbol @Yield symbolkeywordsformat {
+ { keywords @Else symbolkeywords } @Font x
+ }
+ }
}
- def @C # for formatting comments
+
+ def @PO # for formatting operators
right x
{
- comments @Test
- iffixed { fixedcomments }
- ifvarying { varyingcomments }
- ifsymbol { symbolcomments }
- @Font x
+ style @Case {
+ fixed @Yield fixedoperatorsformat {
+ { operators @Else fixedoperators } @Font x
+ }
+ varying @Yield varyingoperatorsformat {
+ { operators @Else varyingoperators } @Font x
+ }
+ symbol @Yield symboloperatorsformat {
+ { operators @Else symboloperators } @Font x
+ }
+ }
}
- def @K # for formatting keywords
+
+ def @PN # for formatting numbers
right x
{
- keywords @Test
- iffixed { fixedkeywords }
- ifvarying { varyingkeywords }
- ifsymbol { symbolkeywords }
- @Font x
+ style @Case {
+ fixed @Yield fixednumbersformat {
+ { numbers @Else fixednumbers } @Font x
+ }
+ varying @Yield varyingnumbersformat {
+ { numbers @Else varyingnumbers } @Font x
+ }
+ symbol @Yield symbolnumbersformat {
+ { numbers @Else symbolnumbers } @Font x
+ }
+ }
}
- def @N # for formatting numbers
+
+ def @PS # for formatting strings
right x
{
- numbers @Test
- iffixed { fixednumbers }
- ifvarying { varyingnumbers }
- ifsymbol { symbolnumbers }
- @Font x
+ style @Case {
+ fixed @Yield fixedstringsformat {
+ { strings @Else fixedstrings } @Font x
+ }
+ varying @Yield varyingstringsformat {
+ { strings @Else varyingstrings } @Font x
+ }
+ symbol @Yield symbolstringsformat {
+ { strings @Else symbolstrings } @Font x
+ }
+ }
}
- def @O # for formatting operators
+
+ def @PC # for formatting comments
right x
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font x
+ style @Case {
+ fixed @Yield fixedcommentsformat {
+ { comments @Else fixedcomments } @Font x
+ }
+ varying @Yield varyingcommentsformat {
+ { comments @Else varyingcomments } @Font x
+ }
+ symbol @Yield symbolcommentsformat {
+ { comments @Else symbolcomments } @Font x
+ }
+ }
}
- def @A # get characters from the Adobe Symbol font
- left sym
- right x
+
+ def @PA # for formatting asterisks
{
- style @Case {
- symbol @Yield { { Symbol Base } @Font @Char sym }
- else @Yield { x }
+ @PO @BackEnd @Case {
+ PlainText @Yield "*"
+ else @Yield { "0.5w" @VShift "*" }
}
}
- def @ST # for formatting asterisks
- right x
+
+ def @PM # for formatting minus signs
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font "0.5w" @VShift x
+ @PO @BackEnd @Case {
+ PlainText @Yield "-"
+ else @Yield style @Case {
+ fixed @Yield "-"
+ else @Yield { { Symbol Base } @Font @Char "minus" }
+ }
+ }
}
- def @ED # for formatting larger dots
- right x
+
+ def @PD # for formatting dots, if wanted larger
{
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font @BackEnd @Case {
- PlainText @Yield x
- else @Yield { "1.2f" @Font "+0.05f" @VShift @O x &"0.05f" }
+ @PO @BackEnd @Case {
+ PlainText @Yield "."
+ else @Yield { "1.4f" @Font "+0.04f" @VShift "." &"0.05f" }
}
}
- macro "$>" { {} & }
- def @M right x
+ def @A # get characters from the Adobe Symbol font
+ left sym
+ right x
{
style @Case {
- fixed @Yield "-"
- varying @Yield { { Symbol Base } @Font @Char minus }
- symbol @Yield { { Symbol Base } @Font @Char minus }
+ symbol @Yield { { Symbol Base } @Font @Char sym }
+ else @Yield { x }
}
}
+
+ macro "$>" { {} & }
+
+
{ @InitFontFamily Base @InitSize } @Font
{ @InitLine lines } @Break @Body
diff --git a/include/perl b/include/perl
new file mode 100644
index 0000000..86561a9
--- /dev/null
+++ b/include/perl
@@ -0,0 +1,102 @@
+###############################################################################
+# #
+# Lout setup file for Perl program printing #
+# #
+# Version 3.0 #
+# Jeffrey H. Kingston #
+# 5 April 2000 #
+# #
+###############################################################################
+
+
+###############################################################################
+# #
+# @SysInclude line #
+# #
+# This line causes Lout to read the definitions for this programming #
+# language, and should not be touched. #
+# #
+###############################################################################
+
+@SysInclude { perlf }
+
+
+###############################################################################
+# #
+# @Use clause #
+# #
+# To change the default value of any option, delete the # at the start of #
+# its line and change the value between braces. #
+# #
+###############################################################################
+
+@Use { @PerlSetup
+ # pipe { } # pipe source through this
+ # style { fixed } # fixed, varying, or symbol
+
+ # the following options apply when style is "fixed"
+
+ # fixedfont { Courier } # font family
+ # fixedsize { -1.0p } # font size
+ # fixedline { 1.0vx } # line-space
+ # fixedtabin { 8 } # tab interval
+ # fixedtabout { 8s } # tab width
+
+ # fixedidentifiers { Base } # identifier face
+ # fixedkeywords { Base } # keyword face
+ # fixedoperators { Base } # operator face
+ # fixednumbers { Base } # number face
+ # fixedstrings { Base } # string face
+ # fixedcomments { Base } # comment face
+
+ # fixedidentifiersformat { @Body } # identifiers format
+ # fixedkeywordsformat { @Body } # keywords format
+ # fixedoperatorsformat { @Body } # operators format
+ # fixednumbersformat { @Body } # numbers format
+ # fixedstringsformat { @Body } # strings format
+ # fixedcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "varying"
+
+ # varyingfont { } # font family
+ # varyingsize { 1.0f } # font size
+ # varyingline { 1.0vx } # line-space
+ # varyingtabin { 8 } # tab interval
+ # varyingtabout { 3f } # tab width
+
+ # varyingidentifiers { Slope } # identifier face
+ # varyingkeywords { Bold } # keyword face
+ # varyingoperators { Base } # operator face
+ # varyingnumbers { Base } # number face
+ # varyingstrings { Slope } # string face
+ # varyingcomments { Base } # comment face
+
+ # varyingidentifiersformat { @Body } # identifiers format
+ # varyingkeywordsformat { @Body } # keywords format
+ # varyingoperatorsformat { @Body } # operators format
+ # varyingnumbersformat { @Body } # numbers format
+ # varyingstringsformat { @Body } # strings format
+ # varyingcommentsformat { @Body } # comments format
+
+ # the following options apply when style is "symbol"
+
+ # symbolfont { } # font family
+ # symbolsize { 1.0f } # font size
+ # symbolline { 1.0vx } # line-space
+ # symboltabin { 8 } # tab interval
+ # symboltabout { 3f } # tab width
+
+ # symbolidentifiers { Slope } # identifier face
+ # symbolkeywords { Bold } # keyword face
+ # symboloperators { Base } # operator face
+ # symbolnumbers { Base } # number face
+ # symbolstrings { Slope } # string face
+ # symbolcomments { Base } # comment face
+
+ # symbolidentifiersformat { @Body } # identifiers format
+ # symbolkeywordsformat { @Body } # keywords format
+ # symboloperatorsformat { @Body } # operators format
+ # symbolnumbersformat { @Body } # numbers format
+ # symbolstringsformat { @Body } # strings format
+ # symbolcommentsformat { @Body } # comments format
+}
diff --git a/include/perlf b/include/perlf
new file mode 100644
index 0000000..20604d3
--- /dev/null
+++ b/include/perlf
@@ -0,0 +1,354 @@
+
+###############################################################################
+# #
+# Lout @PerlSetup package for formatting Perl programs #
+# #
+# Version 3.0 #
+# Jeffrey H. Kingston #
+# 5 April 2000 #
+# #
+# This package uses a filtered body parameter to convert program source #
+# code into Lout source. The filter program is prg2lout, which is #
+# distributed with Lout and should be compiled and installed wherever #
+# Lout itself is. #
+# #
+###############################################################################
+
+export @Perl
+def @PerlSetup
+ named pipe { } # pipe through this first
+ named style
+ named @OrIfPlain left x right y
+ { @BackEnd @Case { PlainText @Yield y else @Yield x } }
+ { fixed } # print style
+
+ # the following options apply when style is "fixed"
+ named fixedfont { Courier }# font family
+ named fixedsize { -1.0p } # font size
+ named fixedline { 1.0vx } # line-space
+ named fixedtabin { 8 } # tab interval
+ named fixedtabout { 8s } # tab width
+
+ named fixedidentifiers { Base } # identifier face
+ named fixedkeywords { Base } # keyword face
+ named fixedoperators { Base } # operator face
+ named fixednumbers { Base } # number face
+ named fixedstrings { Base } # string face
+ named fixedcomments { Base } # comment face
+
+ named fixedidentifiersformat right @Body { @Body } # identifier format
+ named fixedkeywordsformat right @Body { @Body } # keyword format
+ named fixedoperatorsformat right @Body { @Body } # operators format
+ named fixednumbersformat right @Body { @Body } # number format
+ named fixedstringsformat right @Body { @Body } # string format
+ named fixedcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "varying"
+ named varyingfont { } # font family
+ named varyingsize { 1.0f } # font size
+ named varyingline { 1.0vx } # line-space
+ named varyingtabin { 8 } # tab interval
+ named varyingtabout { 3f } # tab width
+
+ named varyingidentifiers { Slope } # identifier face
+ named varyingkeywords { Bold } # keyword face
+ named varyingoperators { Base } # operator face
+ named varyingnumbers { Base } # number face
+ named varyingstrings { Slope } # string face
+ named varyingcomments { Base } # comment face
+
+ named varyingidentifiersformat right @Body { @Body } # identifier format
+ named varyingkeywordsformat right @Body { @Body } # keyword format
+ named varyingoperatorsformat right @Body { @Body } # operators format
+ named varyingnumbersformat right @Body { @Body } # number format
+ named varyingstringsformat right @Body { @Body } # string format
+ named varyingcommentsformat right @Body { @Body } # comment format
+
+ # the following options apply when style is "symbol"
+ named symbolfont { } # font family
+ named symbolsize { 1.0f } # font size
+ named symbolline { 1.0vx } # line-space
+ named symboltabin { 8 } # tab interval
+ named symboltabout { 3f } # tab width
+
+ named symbolidentifiers { Slope } # identifier face
+ named symbolkeywords { Bold } # keyword face
+ named symboloperators { Base } # operator face
+ named symbolnumbers { Base } # number face
+ named symbolstrings { Slope } # string face
+ named symbolcomments { Base } # comment face
+
+ named symbolidentifiersformat right @Body { @Body } # identifier format
+ named symbolkeywordsformat right @Body { @Body } # keyword format
+ named symboloperatorsformat right @Body { @Body } # operators format
+ named symbolnumbersformat right @Body { @Body } # number format
+ named symbolstringsformat right @Body { @Body } # string format
+ named symbolcommentsformat right @Body { @Body } # comment format
+
+@Begin
+
+ export
+
+ @PI @PK @PO @PN @PS @PC @PA @PM @PD
+ @A "$>"
+
+ def @Perl
+ named style { style } # style
+ named pipe { pipe } # pipe through this first
+ named font { dft } # font family
+ named size { dft } # font size
+ named line { dft } # line-space
+ named tabin { dft } # tab interval
+ named tabout { dft } # tab width
+ named identifiers { dft } # ident. font
+ named keywords { dft } # keyword font
+ named operators { dft } # operator font
+ named numbers { dft } # number font
+ named strings { dft } # string font
+ named comments { dft } # comment font
+ body @Body # filtered, see below
+ @Begin
+
+ def @Test # returns x unless x is dft
+ left x
+ named iffixed {}
+ named ifvarying {}
+ named ifsymbol {}
+ {
+ x @Case {
+ dft @Yield {
+ style @Case {
+ fixed @Yield { iffixed }
+ varying @Yield { ifvarying }
+ symbol @Yield { ifsymbol }
+ }
+ }
+ else @Yield x
+ }
+ }
+
+
+ def @Else # returns x, or y if x is dft
+ left x
+ right y
+ {
+ x @Case {
+ dft @Yield y
+ else @Yield x
+ }
+ }
+
+
+ def @InitTab
+ {
+ tabin @Test
+ iffixed { fixedtabin }
+ ifvarying { varyingtabin }
+ ifsymbol { symboltabin }
+ }
+
+
+ def @InitTabWidth
+ {
+ tabout @Test
+ iffixed { fixedtabout }
+ ifvarying { varyingtabout }
+ ifsymbol { symboltabout }
+ }
+
+
+ def @Filter
+ {
+ pipe @Case {
+ "" @Yield {
+ "prg2lout -r -lPerl" -i{@FilterIn} -o{@FilterOut} -e{@FilterErr}
+ -t{@InitTab} -T{@InitTabWidth}
+ }
+ else @Yield {
+ "cat" @FilterIn "|" pipe "|"
+ "prg2lout -r -lPerl" -o{@FilterOut}
+ -e{@FilterErr} -t{@InitTab} -T{@InitTabWidth}
+ }
+ }
+ }
+
+
+ def @InitFontFamily
+ {
+ font @Test
+ iffixed { fixedfont }
+ ifvarying { varyingfont }
+ ifsymbol { symbolfont }
+ }
+
+
+ def @InitSize
+ {
+ size @Test
+ iffixed { fixedsize }
+ ifvarying { varyingsize }
+ ifsymbol { symbolsize }
+ }
+
+
+ def @InitLine
+ {
+ line @Test
+ iffixed { fixedline }
+ ifvarying { varyingline }
+ ifsymbol { symbolline }
+ }
+
+
+ def @PI # for formatting identifiers
+ right x
+ {
+ style @Case {
+ fixed @Yield fixedidentifiersformat {
+ { identifiers @Else fixedidentifiers } @Font x
+ }
+ varying @Yield varyingidentifiersformat {
+ { identifiers @Else varyingidentifiers } @Font x
+ }
+ symbol @Yield symbolidentifiersformat {
+ { identifiers @Else symbolidentifiers } @Font x
+ }
+ }
+ }
+
+
+ def @PK # for formatting keywords
+ right x
+ {
+ style @Case {
+ fixed @Yield fixedkeywordsformat {
+ { keywords @Else fixedkeywords } @Font x
+ }
+ varying @Yield varyingkeywordsformat {
+ { keywords @Else varyingkeywords } @Font x
+ }
+ symbol @Yield symbolkeywordsformat {
+ { keywords @Else symbolkeywords } @Font x
+ }
+ }
+ }
+
+
+ def @PO # for formatting operators
+ right x
+ {
+ style @Case {
+ fixed @Yield fixedoperatorsformat {
+ { operators @Else fixedoperators } @Font x
+ }
+ varying @Yield varyingoperatorsformat {
+ { operators @Else varyingoperators } @Font x
+ }
+ symbol @Yield symboloperatorsformat {
+ { operators @Else symboloperators } @Font x
+ }
+ }
+ }
+
+
+ def @PN # for formatting numbers
+ right x
+ {
+ style @Case {
+ fixed @Yield fixednumbersformat {
+ { numbers @Else fixednumbers } @Font x
+ }
+ varying @Yield varyingnumbersformat {
+ { numbers @Else varyingnumbers } @Font x
+ }
+ symbol @Yield symbolnumbersformat {
+ { numbers @Else symbolnumbers } @Font x
+ }
+ }
+ }
+
+
+ def @PS # for formatting strings
+ right x
+ {
+ style @Case {
+ fixed @Yield fixedstringsformat {
+ { strings @Else fixedstrings } @Font x
+ }
+ varying @Yield varyingstringsformat {
+ { strings @Else varyingstrings } @Font x
+ }
+ symbol @Yield symbolstringsformat {
+ { strings @Else symbolstrings } @Font x
+ }
+ }
+ }
+
+
+ def @PC # for formatting comments
+ right x
+ {
+ style @Case {
+ fixed @Yield fixedcommentsformat {
+ { comments @Else fixedcomments } @Font x
+ }
+ varying @Yield varyingcommentsformat {
+ { comments @Else varyingcomments } @Font x
+ }
+ symbol @Yield symbolcommentsformat {
+ { comments @Else symbolcomments } @Font x
+ }
+ }
+ }
+
+
+ def @PA # for formatting asterisks
+ {
+ @PO @BackEnd @Case {
+ PlainText @Yield "*"
+ else @Yield { "0.5w" @VShift "*" }
+ }
+ }
+
+
+ def @PM # for formatting minus signs
+ {
+ @PO @BackEnd @Case {
+ PlainText @Yield "-"
+ else @Yield style @Case {
+ fixed @Yield "-"
+ else @Yield { { Symbol Base } @Font @Char "minus" }
+ }
+ }
+ }
+
+
+ def @PD # for formatting dots, if wanted larger
+ {
+ @PO @BackEnd @Case {
+ PlainText @Yield "."
+ else @Yield { "1.4f" @Font "+0.04f" @VShift "." &"0.05f" }
+ }
+ }
+
+
+ def @A # get characters from the Adobe Symbol font
+ left sym
+ right x
+ {
+ style @Case {
+ symbol @Yield { { Symbol Base } @Font @Char sym }
+ else @Yield { x }
+ }
+ }
+
+
+ macro "$>" { {} & }
+
+
+ { @InitFontFamily Base @InitSize } @Font
+ { @InitLine lines } @Break @Body
+
+ @End @Perl
+
+@End @PerlSetup
diff --git a/include/pod b/include/pod
new file mode 100644
index 0000000..e827a24
--- /dev/null
+++ b/include/pod
@@ -0,0 +1,164 @@
+###############################################################################
+# #
+# Lout setup file for Pod documentation printing #
+# #
+# Note: although Pod is treated like a programming language in some #
+# respects, the setup file options below are largely unrelated to #
+# the setup file options for other languages. #
+# #
+# Version 3.0 #
+# Jeffrey H. Kingston #
+# 5 April 2000 #
+# #
+###############################################################################
+
+
+###############################################################################
+# #
+# @SysInclude line #
+# #
+# This line causes Lout to read the definitions for this programming #
+# language, and should not be touched. #
+# #
+###############################################################################
+
+@SysInclude { podf }
+
+
+###############################################################################
+# #
+# @Use clause #
+# #
+# To change the default value of any option, delete the # at the start of #
+# its line and change the value between braces. #
+# #
+# Pod has two quite different kinds of paragraphs: verbatim and non- #
+# verbatim. When we say "verbatim" and "text" below we refer to these. #
+# There is no paragraph breaking option for verbatim since line breaks #
+# are honoured. #
+# #
+###############################################################################
+
+@Use { @PodSetup
+ # pipe { } # pipe source through this
+ # style { varying @OrIfPlain fixed } # fixed, varying, or symbol
+
+ # the following options apply when style is "fixed"
+
+ # fixedtextfont { Courier Base -1p } # text font
+ # fixedtextbreak { adjust 1.0vx hyphen } # text para breaking
+ # fixedverbatimfont { Courier Base } # verbatim font
+ # fixedtabin { 8 } # tab interval
+ # fixedtabout { 8s } # tab width
+
+ # fixedparagap { 1.0v } # gap between paras
+ # fixedlistgap { 1.0v } # gap within lists
+ # fixedlistindent { 0s } # list label indent
+ # fixedlistrightindent { 0s } # list right indent
+ # fixedlistlabelwidth { 2.0f } # default label space
+ # fixedlistlabelfont { } # list label font
+ # fixedlistlabelformat { @Body } # list label format
+
+ # fixedaheadfont { Bold +4p } # =head1 font
+ # fixedaheadbreak { lines 1.1vx } # =head1 para break
+ # fixedaheadformat { @DP @Body } # =head1 format
+ # fixedbheadfont { Bold +2p } # =head2 font
+ # fixedbheadbreak { lines 1.1vx } # =head2 para break
+ # fixedbheadformat { @Body } # =head2 format
+ # fixedcheadfont { Bold } # =head3 font
+ # fixedcheadbreak { lines 1.1vx } # =head3 para break
+ # fixedcheadformat { @Body } # =head3 format
+
+ # fixeditalicfont { Slope } # font of I<>
+ # fixeditalicformat { @Body } # format of I<>
+ # fixedboldfont { Bold } # font of B<>
+ # fixedboldformat { @Body } # format of B<>
+ # fixedcodefont { Base } # font of C<>
+ # fixedcodeformat { @Body } # format of C<>
+ # fixedfilefont { Slope } # font of F<>
+ # fixedfileformat { @Body } # format of F<>
+ # fixedlinkfont { Slope } # font of L<>
+ # fixedlinkformat { @Underline @Body } # format of L<>
+ # fixedindexfont { Slope } # font of X<>
+ # fixedindexformat { @Body } # format of X<>
+
+
+ # the following options apply when style is "varying"
+
+ # varyingtextfont { } # text font
+ # varyingtextbreak { adjust 1.0vx hyphen } # text para breaking
+ # varyingverbatimfont { Courier Base -1p } # verbatim font
+ # varyingtabin { 8 } # tab interval
+ # varyingtabout { 8s } # tab width
+
+ # varyingparagap { 1.0v } # gap between paras
+ # varyinglistgap { 1.0v } # gap within lists
+ # varyinglistindent { 0s } # list label indent
+ # varyinglistrightindent { 0s } # list right indent
+ # varyinglistlabelwidth { 2.0f } # default label space
+ # varyinglistlabelfont { } # list label font
+ # varyinglistlabelformat { @Body } # list label format
+
+ # varyingaheadfont { Bold +4p } # =head1 font
+ # varyingaheadbreak { lines 1.1vx } # =head1 para break
+ # varyingaheadformat { @DP @Body } # =head1 format
+ # varyingbheadfont { Bold +2p } # =head2 font
+ # varyingbheadbreak { lines 1.1vx } # =head2 para break
+ # varyingbheadformat { @Body } # =head2 format
+ # varyingcheadfont { Bold } # =head3 font
+ # varyingcheadbreak { lines 1.1vx } # =head3 para break
+ # varyingcheadformat { @Body } # =head3 format
+
+ # varyingitalicfont { Slope } # font of I<>
+ # varyingitalicformat { @Body } # format of I<>
+ # varyingboldfont { Bold } # font of B<>
+ # varyingboldformat { @Body } # format of B<>
+ # varyingcodefont { Courier Base -1p } # font of C<>
+ # varyingcodeformat { @Body } # format of C<>
+ # varyingfilefont { Slope } # font of F<>
+ # varyingfileformat { @Body } # format of F<>
+ # varyinglinkfont { Slope } # font of L<>
+ # varyinglinkformat { @Underline @Body } # format of L<>
+ # varyingindexfont { Slope } # font of X<>
+ # varyingindexformat { @Body } # format of X<>
+
+ # the following options apply when style is "symbol"
+
+ # symboltextfont { } # text font
+ # symboltextbreak { adjust 1.0vx hyphen } # text para breaking
+ # symbolverbatimfont { Courier Base -1p } # verbatim font
+ # symboltabin { 8 } # tab interval
+ # symboltabout { 8s } # tab width
+
+ # symbolparagap { 1.0v } # gap between paras
+ # symbollistgap { 1.0v } # gap within lists
+ # symbollistindent { 0s } # list label indent
+ # symbollistrightindent { 0s } # list right indent
+ # symbollistlabelwidth { 2.0f } # default label space
+ # symbollistlabelfont { } # list label font
+ # symbollistlabelformat { @Body } # list label format
+
+ # symbolaheadfont { Bold +4p } # =head1 font
+ # symbolaheadbreak { lines 1.1vx } # =head1 para break
+ # symbolaheadformat { @DP @Body } # =head1 format
+ # symbolbheadfont { Bold +2p } # =head2 font
+ # symbolbheadbreak { lines 1.1vx } # =head2 para break
+ # symbolbheadformat { @Body } # =head2 format
+ # symbolcheadfont { Bold } # =head3 font
+ # symbolcheadbreak { lines 1.1vx } # =head3 para break
+ # symbolcheadformat { @Body } # =head3 format
+
+ # symbolitalicfont { Slope } # font of I<>
+ # symbolitalicformat { @Body } # format of I<>
+ # symbolboldfont { Bold } # font of B<>
+ # symbolboldformat { @Body } # format of B<>
+ # symbolcodefont { Courier Base -1p } # font of C<>
+ # symbolcodeformat { @Body } # format of C<>
+ # symbolfilefont { Slope } # font of F<>
+ # symbolfileformat { @Body } # format of F<>
+ # symbollinkfont { Slope } # font of L<>
+ # symbollinkformat { @Underline @Body } # format of L<>
+ # symbolindexfont { Slope } # font of X<>
+ # symbolindexformat { @Body } # format of X<>
+
+}
diff --git a/include/podf b/include/podf
new file mode 100644
index 0000000..108f455
--- /dev/null
+++ b/include/podf
@@ -0,0 +1,513 @@
+
+###############################################################################
+# #
+# Lout @PodSetup package for formatting Pod programs #
+# #
+# Jeffrey H. Kingston #
+# 25 March 2000 #
+# #
+# This package uses a filtered body parameter to convert Pod source #
+# code into Lout source. The filter program is prg2lout, which is #
+# distributed with Lout and should be compiled and installed wherever #
+# Lout itself is. #
+# #
+###############################################################################
+
+export @Pod
+def @PodSetup
+ named pipe { } # pipe through this first
+ named style
+ named @OrIfPlain left x right y
+ { @BackEnd @Case { PlainText @Yield y else @Yield x } }
+ { varying @OrIfPlain fixed } # print style
+
+
+ # the following options apply when style is "fixed"
+
+ named fixedtextfont { Courier Base -1p } # text font
+ named fixedtextbreak { adjust 1.0vx hyphen } # text para breaking
+ named fixedverbatimfont { Courier Base } # verbatim font
+ named fixedtabin { 8 } # tab interval
+ named fixedtabout { 8s } # tab width
+
+ named fixedparagap { 1.0v } # gap between paras
+ named fixedlistgap { 1.0v } # gap within lists
+ named fixedlistindent { 0s } # list label indent
+ named fixedlistrightindent { 0s } # list right indent
+ named fixedlistlabelwidth { 2.0f } # default label space
+ named fixedlistlabelfont { } # list label font
+ named fixedlistlabelformat right @Body { @Body } # list label format
+
+ named fixedaheadfont { Bold +4p } # =head1 font
+ named fixedaheadbreak { lines 1.1vx } # =head1 para break
+ named fixedaheadformat right @Body { @DP @Body } # =head1 format
+ named fixedbheadfont { Bold +2p } # =head2 font
+ named fixedbheadbreak { lines 1.1vx } # =head2 para break
+ named fixedbheadformat right @Body { @Body } # =head2 format
+ named fixedcheadfont { Bold } # =head3 font
+ named fixedcheadbreak { lines 1.1vx } # =head3 para break
+ named fixedcheadformat right @Body { @Body } # =head3 format
+
+ named fixeditalicfont { Slope } # font of I<>
+ named fixeditalicformat right @Body { @Body } # format of I<>
+ named fixedboldfont { Bold } # font of B<>
+ named fixedboldformat right @Body { @Body } # format of B<>
+ named fixedcodefont { Base } # font of C<>
+ named fixedcodeformat right @Body { @Body } # format of C<>
+ named fixedfilefont { Slope } # font of F<>
+ named fixedfileformat right @Body { @Body } # format of F<>
+ named fixedlinkfont { Slope } # font of L<>
+ named fixedlinkformat right @Body { @Underline @Body } # format of L<>
+ named fixedindexfont { Slope } # font of X<>
+ named fixedindexformat right @Body { @Body } # format of X<>
+
+
+ # the following options apply when style is "varying"
+
+ named varyingtextfont { } # text font
+ named varyingtextbreak { adjust 1.0vx hyphen } # text para breaking
+ named varyingverbatimfont { Courier Base -1p } # verbatim font
+ named varyingtabin { 8 } # tab interval
+ named varyingtabout { 8s } # tab width
+
+ named varyingparagap { 1.0v } # gap between paras
+ named varyinglistgap { 1.0v } # gap within lists
+ named varyinglistindent { 0s } # list label indent
+ named varyinglistrightindent { 0s } # list right indent
+ named varyinglistlabelwidth { 2.0f } # default label space
+ named varyinglistlabelfont { } # list label font
+ named varyinglistlabelformat right @Body { @Body } # list label format
+
+ named varyingaheadfont { Bold +4p } # =head1 font
+ named varyingaheadbreak { lines 1.1vx } # =head1 para break
+ named varyingaheadformat right @Body{ @DP @Body } # =head1 format
+ named varyingbheadfont { Bold +2p } # =head2 font
+ named varyingbheadbreak { lines 1.1vx } # =head2 para break
+ named varyingbheadformat right @Body{ @Body } # =head2 format
+ named varyingcheadfont { Bold } # =head3 font
+ named varyingcheadbreak { lines 1.1vx } # =head3 para break
+ named varyingcheadformat right @Body{ @Body } # =head3 format
+
+ named varyingitalicfont { Slope } # font of I<>
+ named varyingitalicformat right @Body { @Body } # format of I<>
+ named varyingboldfont { Bold } # font of B<>
+ named varyingboldformat right @Body { @Body } # format of B<>
+ named varyingcodefont { Courier Base -1p } # font of C<>
+ named varyingcodeformat right @Body { @Body } # format of C<>
+ named varyingfilefont { Slope } # font of F<>
+ named varyingfileformat right @Body { @Body } # format of F<>
+ named varyinglinkfont { Slope } # font of L<>
+ named varyinglinkformat right @Body { @Underline @Body } # format of L<>
+ named varyingindexfont { Slope } # font of X<>
+ named varyingindexformat right @Body{ @Body } # format of X<>
+
+ # the following options apply when style is "symbol"
+
+ named symboltextfont { } # text font
+ named symboltextbreak { adjust 1.0vx hyphen } # text para breaking
+ named symbolverbatimfont { Courier Base -1p } # verbatim font
+ named symboltabin { 8 } # tab interval
+ named symboltabout { 8s } # tab width
+
+ named symbolparagap { 1.0v } # gap between paras
+ named symbollistgap { 1.0v } # gap within lists
+ named symbollistindent { 0s } # list label indent
+ named symbollistrightindent { 0s } # list right indent
+ named symbollistlabelwidth { 2.0f } # default label space
+ named symbollistlabelfont { } # list label font
+ named symbollistlabelformat right @Body { @Body } # list label format
+
+ named symbolaheadfont { Bold +4p } # =head1 font
+ named symbolaheadbreak { lines 1.1vx } # =head1 para break
+ named symbolaheadformat right @Body { @DP @Body } # =head1 format
+ named symbolbheadfont { Bold +2p } # =head2 font
+ named symbolbheadbreak { lines 1.1vx } # =head2 para break
+ named symbolbheadformat right @Body { @Body } # =head2 format
+ named symbolcheadfont { Bold } # =head3 font
+ named symbolcheadbreak { lines 1.1vx } # =head3 para break
+ named symbolcheadformat right @Body { @Body } # =head3 format
+
+ named symbolitalicfont { Slope } # font of I<>
+ named symbolitalicformat right @Body{ @Body } # format of I<>
+ named symbolboldfont { Bold } # font of B<>
+ named symbolboldformat right @Body { @Body } # format of B<>
+ named symbolcodefont { Courier Base -1p } # font of C<>
+ named symbolcodeformat right @Body { @Body } # format of C<>
+ named symbolfilefont { Slope } # font of F<>
+ named symbolfileformat right @Body { @Body } # format of F<>
+ named symbollinkfont { Slope } # font of L<>
+ named symbollinkformat right @Body { @Underline @Body } # format of L<>
+ named symbolindexfont { Slope } # font of X<>
+ named symbolindexformat right @Body { @Body } # format of X<>
+
+@Begin
+
+
+ export
+
+ @PV @PPG @PLG @PLI @PLRI @PLLW @PLL @PHA @PHB @PHC
+ @PFI @PFB @PFC @PFF @PFL @PFX @A "$>"
+
+ def @Pod
+ named style { style } # style
+ named pipe { pipe } # pipe through this
+ named textfont { dft } # text font
+ named textbreak { dft } # text para breaking
+ named verbatimfont { dft } # verbatim font
+ named tabin { dft } # tab interval
+ named tabout { dft } # tab width
+ named paragap { dft } # gap between paras
+ named listgap { dft } # gap within lists
+ named listindent { dft } # list label indent
+ named listrightindent { dft } # list right indent
+ named listlabelwidth { dft } # default label space
+ named listlabelfont { dft } # list label font
+ named aheadfont { dft } # =head1 font
+ named aheadbreak { dft } # =head1 para break
+ named bheadfont { dft } # =head2 font
+ named bheadbreak { dft } # =head2 para break
+ named cheadfont { dft } # =head3 font
+ named cheadbreak { dft } # =head3 para break
+ named italicfont { dft } # font of I<>
+ named boldfont { dft } # font of B<>
+ named codefont { dft } # font of C<>
+ named filefont { dft } # font of F<>
+ named linkfont { dft } # font of L<>
+ named indexfont { dft } # font of X<>
+ body @Body # filtered, see below
+ @Begin
+
+ def @Test # returns x unless x is dft
+ left x
+ named iffixed {}
+ named ifvarying {}
+ named ifsymbol {}
+ {
+ x @Case {
+ dft @Yield {
+ style @Case {
+ fixed @Yield { iffixed }
+ varying @Yield { ifvarying }
+ symbol @Yield { ifsymbol }
+ }
+ }
+ else @Yield x
+ }
+ }
+
+
+ def @Else # returns x, or y if x is dft
+ left x
+ right y
+ {
+ x @Case {
+ dft @Yield y
+ else @Yield x
+ }
+ }
+
+
+ def @InitTab
+ {
+ tabin @Test
+ iffixed { fixedtabin }
+ ifvarying { varyingtabin }
+ ifsymbol { symboltabin }
+ }
+
+
+ def @InitTabWidth
+ {
+ tabout @Test
+ iffixed { fixedtabout }
+ ifvarying { varyingtabout }
+ ifsymbol { symboltabout }
+ }
+
+
+ def @Filter
+ {
+ pipe @Case {
+ "" @Yield {
+ "prg2lout -r -lPod" -i{@FilterIn} -o{@FilterOut} -e{@FilterErr}
+ -t{@InitTab} -T{@InitTabWidth}
+ }
+ else @Yield {
+ "cat" @FilterIn "|" pipe "|"
+ "prg2lout -r -lPod" -o{@FilterOut}
+ -e{@FilterErr} -t{@InitTab} -T{@InitTabWidth}
+ }
+ }
+ }
+
+
+ def @InitFont
+ {
+ textfont @Test
+ iffixed { fixedtextfont }
+ ifvarying { varyingtextfont }
+ ifsymbol { symboltextfont }
+ }
+
+
+
+ def @InitBreak
+ {
+ textbreak @Test
+ iffixed { fixedtextbreak }
+ ifvarying { varyingtextbreak }
+ ifsymbol { symboltextbreak }
+ }
+
+
+ def printverbatim
+ right x
+ {
+ def verbfont
+ {
+ verbatimfont @Test
+ iffixed { fixedverbatimfont }
+ ifvarying { varyingverbatimfont }
+ ifsymbol { symbolverbatimfont }
+ }
+
+ def verbatimstrut { @VContract { 0.5v @High ^/ / 0.5v @High } }
+
+ @OneCol verbfont @Font x |0io verbatimstrut
+ }
+
+
+ macro @PV { // printverbatim }
+
+
+ def paragraphgap
+ {
+ paragap @Test
+ iffixed { fixedparagap }
+ ifvarying { varyingparagap }
+ ifsymbol { symbolparagap }
+ }
+
+
+ macro @PPG { //paragraphgap }
+
+
+ def @PLG
+ {
+ listgap @Test
+ iffixed { fixedlistgap }
+ ifvarying { varyinglistgap }
+ ifsymbol { symbollistgap }
+ }
+
+
+ def @PLI
+ {
+ listindent @Test
+ iffixed { fixedlistindent }
+ ifvarying { varyinglistindent }
+ ifsymbol { symbollistindent }
+ }
+
+
+ def @PLRI
+ {
+ listrightindent @Test
+ iffixed { fixedlistrightindent }
+ ifvarying { varyinglistrightindent }
+ ifsymbol { symbollistrightindent }
+ }
+
+
+ def @PLLW right x
+ {
+ def defaultwidth
+ {
+ listlabelwidth @Test
+ iffixed { fixedlistlabelwidth }
+ ifvarying { varyinglistlabelwidth }
+ ifsymbol { symbollistlabelwidth }
+ }
+
+ def givenwidth
+ {
+ style @Case {
+ fixed @Yield { x"s" }
+ varying @Yield { x"f" }
+ symbol @Yield { x"f" }
+ }
+ }
+
+ x @Case {
+ "" @Yield defaultwidth
+ else @Yield givenwidth
+ }
+ }
+
+
+ def @PLL right x
+ {
+ def value
+ {
+ x @Case {
+ "*" @Yield @Bullet
+ else @Yield x
+ }
+ }
+
+ style @Case {
+ fixed @Yield fixedlistlabelformat {
+ { listlabelfont @Else fixedlistlabelfont } @Font value }
+ varying @Yield varyinglistlabelformat {
+ { listlabelfont @Else varyinglistlabelfont } @Font value }
+ symbol @Yield symbollistlabelformat {
+ { listlabelfont @Else symbollistlabelfont } @Font value }
+ }
+ }
+
+
+ def @PHA right x
+ {
+ style @Case {
+ fixed @Yield fixedaheadformat {
+ { aheadfont @Else fixedaheadfont } @Font
+ { aheadbreak @Else fixedaheadbreak } @Break x }
+ varying @Yield varyingaheadformat {
+ { aheadfont @Else varyingaheadfont } @Font
+ { aheadbreak @Else varyingaheadbreak } @Break x }
+ symbol @Yield symbolaheadformat {
+ { aheadfont @Else symbolaheadfont } @Font
+ { aheadbreak @Else varyingaheadbreak } @Break x }
+ }
+ }
+
+
+ def @PHB right x
+ {
+ style @Case {
+ fixed @Yield fixedbheadformat {
+ { bheadfont @Else fixedbheadfont } @Font
+ { bheadbreak @Else fixedbheadbreak } @Break x }
+ varying @Yield varyingbheadformat {
+ { bheadfont @Else varyingbheadfont } @Font
+ { bheadbreak @Else varyingbheadbreak } @Break x }
+ symbol @Yield symbolbheadformat {
+ { bheadfont @Else symbolbheadfont } @Font
+ { bheadbreak @Else varyingbheadbreak } @Break x }
+ }
+ }
+
+
+ def @PHC right x
+ {
+ style @Case {
+ fixed @Yield fixedcheadformat {
+ { cheadfont @Else fixedcheadfont } @Font
+ { cheadbreak @Else fixedcheadbreak } @Break x }
+ varying @Yield varyingcheadformat {
+ { cheadfont @Else varyingcheadfont } @Font
+ { cheadbreak @Else varyingcheadbreak } @Break x }
+ symbol @Yield symbolcheadformat {
+ { cheadfont @Else symbolcheadfont } @Font
+ { cheadbreak @Else varyingcheadbreak } @Break x }
+ }
+ }
+
+
+ def @PFI right x
+ {
+ style @Case {
+ fixed @Yield fixeditalicformat {
+ { italicfont @Else fixeditalicfont } @Font x }
+ varying @Yield varyingitalicformat {
+ { italicfont @Else varyingitalicfont } @Font x }
+ symbol @Yield symbolitalicformat {
+ { italicfont @Else symbolitalicfont } @Font x }
+ }
+ }
+
+
+ def @PFB right x
+ {
+ style @Case {
+ fixed @Yield fixedboldformat {
+ { boldfont @Else fixedboldfont } @Font x }
+ varying @Yield varyingboldformat {
+ { boldfont @Else varyingboldfont } @Font x }
+ symbol @Yield symbolboldformat {
+ { boldfont @Else symbolboldfont } @Font x }
+ }
+ }
+
+
+ def @PFC right x
+ {
+ style @Case {
+ fixed @Yield fixedcodeformat {
+ { codefont @Else fixedcodefont } @Font x }
+ varying @Yield varyingcodeformat {
+ { codefont @Else varyingcodefont } @Font x }
+ symbol @Yield symbolcodeformat {
+ { codefont @Else symbolcodefont } @Font x }
+ }
+ }
+
+
+ def @PFF right x
+ {
+ style @Case {
+ fixed @Yield fixedfileformat {
+ { filefont @Else fixedfilefont } @Font x }
+ varying @Yield varyingfileformat {
+ { filefont @Else varyingfilefont } @Font x }
+ symbol @Yield symbolfileformat {
+ { filefont @Else symbolfilefont } @Font x }
+ }
+ }
+
+
+ def @PFL right x
+ {
+ style @Case {
+ fixed @Yield fixedlinkformat {
+ { linkfont @Else fixedlinkfont } @Font x }
+ varying @Yield varyinglinkformat {
+ { linkfont @Else varyinglinkfont } @Font x }
+ symbol @Yield symbollinkformat {
+ { linkfont @Else symbollinkfont } @Font x }
+ }
+ }
+
+
+ def @PFX right x
+ {
+ style @Case {
+ fixed @Yield fixedindexformat {
+ { indexfont @Else fixedindexfont } @Font x }
+ varying @Yield varyingindexformat {
+ { indexfont @Else varyingindexfont } @Font x }
+ symbol @Yield symbolindexformat {
+ { indexfont @Else symbolindexfont } @Font x }
+ }
+ }
+
+
+ def @A # get characters from the Adobe Symbol font
+ left sym
+ right x
+ {
+ style @Case {
+ symbol @Yield { { Symbol Base } @Font @Char sym }
+ else @Yield { x }
+ }
+ }
+
+
+ macro "$>" { {} & }
+
+
+ @InitFont @Font @InitBreak @Break @Body
+
+ @End @Pod
+
+@End @PodSetup
diff --git a/include/progf b/include/progf
deleted file mode 100644
index ec864df..0000000
--- a/include/progf
+++ /dev/null
@@ -1,281 +0,0 @@
-
-###############################################################################
-# #
-# Lout @ProgSetup package for formatting computer programs (Version 1.4) #
-# #
-# Version 1.0 by Jeffrey H. Kingston, February 2000. #
-# Adapted from the original @CPrint package. #
-# #
-# This package uses a filtered body parameter to convert program source #
-# code into Lout source. The filter program is prg2lout, which is #
-# distributed with Lout and should be compiled and installed wherever #
-# Lout itself is. #
-# #
-# This package is intended for use by prg2lout's stand-alone mode. #
-# If you are adding a new language, a better place to start would be #
-# files eiffelf and eiffel rather than progf. #
-# #
-###############################################################################
-
-export @Prog
-def @ProgSetup
- named language { "missing_language" } # programming language
- named style
- named @OrIfPlain left x right y
- { @BackEnd @Case { PlainText @Yield y else @Yield x } }
- { varying @OrIfPlain fixed } # print style
- named pipe { } # pipe through this first
-
- named fixedfont { Courier } # font family if fixed
- named fixedstrings { Base } # string face if fixed
- named fixedidentifiers { Base } # identifier face if fixed
- named fixedcomments { Base } # comment face if fixed
- named fixedkeywords { Base } # keyword face if fixed
- named fixednumbers { Base } # number face if fixed
- named fixedoperators { Base } # operator face if fixed
- named fixedsize { -1.0p } # font size if fixed
- named fixedline { 1.0vx } # line-space if fixed
- named fixedtabin { 8 } # tab interval if fixed
- named fixedtabout { 8s } # tab width if fixed
-
- named varyingfont { } # font family if varying
- named varyingstrings { Slope } # string face if varying
- named varyingidentifiers { Slope } # identifier face if varying
- named varyingcomments { Base } # comment face if varying
- named varyingkeywords { Bold } # keyword face if varying
- named varyingnumbers { Base } # number face if varying
- named varyingoperators { Base } # operator face if varying
- named varyingsize { 1.0f } # font size if varying
- named varyingline { 1.0vx } # line-space if varying
- named varyingtabin { 8 } # tab interval if varying
- named varyingtabout { 3f } # tab width if varying
-
- named symbolfont { } # font family if symbol
- named symbolstrings { Slope } # string face if symbol
- named symbolidentifiers { Slope } # identifier face if symbol
- named symbolcomments { Base } # comment face if symbol
- named symbolkeywords { Bold } # keyword face if symbol
- named symbolnumbers { Base } # number face if symbol
- named symboloperators { Base } # operator face if symbol
- named symbolsize { 1.0f } # font size if symbol
- named symbolline { 1.0vx } # line-space if symbol
- named symboltabin { 8 } # tab interval if symbol
- named symboltabout { 3f } # tab width if symbol
-
-@Begin
-
- export
-
- "$>" @S @D @C @K @N @O @A @ST @ED @M
-
- def @Prog
- named language { language } # language
- named style { style } # style
- named pipe { pipe } # pipe through this first
- named font { dft } # font family
- named strings { dft } # string font
- named identifiers { dft } # ident. font
- named comments { dft } # comment font
- named keywords { dft } # keyword font
- named numbers { dft } # number font
- named operators { dft } # operator font
- named size { dft } # font size
- named line { dft } # line-space
- named tabin { dft } # tab interval
- named tabout { dft } # tab width
- body @Body # filtered, see below
- @Begin
-
- def @Test # returns x unless x is dft
- left x
- named iffixed {}
- named ifvarying {}
- named ifsymbol {}
- {
- x @Case {
- dft @Yield {
- style @Case {
- fixed @Yield { iffixed }
- varying @Yield { ifvarying }
- symbol @Yield { ifsymbol }
- }
- }
- else @Yield x
- }
- }
-
- def @InitTab
- {
- tabin @Test
- iffixed { fixedtabin }
- ifvarying { varyingtabin }
- ifsymbol { symboltabin }
- }
-
- def @InitTabWidth
- {
- tabout @Test
- iffixed { fixedtabout }
- ifvarying { varyingtabout }
- ifsymbol { symboltabout }
- }
-
- def @Filter
- {
- pipe @Case {
- "" @Yield {
- "prg2lout -r -l" language -i{@FilterIn} -o{@FilterOut} -e{@FilterErr}
- -t{@InitTab} -T{@InitTabWidth}
- }
- else @Yield {
- "cat" @FilterIn "|" pipe "|"
- "prg2lout -r -l" language -o{@FilterOut}
- -e{@FilterErr} -t{@InitTab} -T{@InitTabWidth}
- }
- }
- }
-
- def @InitFontFamily
- {
- font @Test
- iffixed { fixedfont }
- ifvarying { varyingfont }
- ifsymbol { symbolfont }
- }
-
- def @InitSize
- {
- size @Test
- iffixed { fixedsize }
- ifvarying { varyingsize }
- ifsymbol { symbolsize }
- }
-
- def @InitLine
- {
- line @Test
- iffixed { fixedline }
- ifvarying { varyingline }
- ifsymbol { symbolline }
- }
-
- def @S # for formatting strings
- right x
- {
- # "\"" &
- strings @Test
- iffixed { fixedstrings }
- ifvarying { varyingstrings }
- ifsymbol { symbolstrings }
- @Font x
- # & "\""
- }
-
-# def "`"
-# {
-# style @Case {
-# symbol @Yield { "`" }
-# else @Yield { "'" }
-# }
-# }
-
- def @D # for formatting identifiers
- right x
- {
- identifiers @Test
- iffixed { fixedidentifiers }
- ifvarying { varyingidentifiers }
- ifsymbol { symbolidentifiers }
- @Font x
- }
-
- def @C # for formatting comments
- right x
- {
- comments @Test
- iffixed { fixedcomments }
- ifvarying { varyingcomments }
- ifsymbol { symbolcomments }
- @Font x
- }
-
- def @K # for formatting keywords
- right x
- {
- keywords @Test
- iffixed { fixedkeywords }
- ifvarying { varyingkeywords }
- ifsymbol { symbolkeywords }
- @Font x
- }
-
- def @N # for formatting numbers
- right x
- {
- numbers @Test
- iffixed { fixednumbers }
- ifvarying { varyingnumbers }
- ifsymbol { symbolnumbers }
- @Font x
- }
-
- def @O # for formatting operators
- right x
- {
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font x
- }
-
- def @A # get characters from the Adobe Symbol font
- left sym
- right x
- {
- style @Case {
- symbol @Yield { { Symbol Base } @Font @Char sym }
- else @Yield { x }
- }
- }
-
- def @ST # for formatting asterisks
- right x
- {
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font "0.5w" @VShift x
- }
-
- def @ED # for formatting larger dots
- right x
- {
- operators @Test
- iffixed { fixedoperators }
- ifvarying { varyingoperators }
- ifsymbol { symboloperators }
- @Font @BackEnd @Case {
- PlainText @Yield x
- else @Yield { "1.2f" @Font "+0.05f" @VShift @O x &"0.05f" }
- }
- }
-
- macro "$>" { {} & }
-
- def @M right x
- {
- style @Case {
- fixed @Yield "-"
- varying @Yield { { Symbol Base } @Font @Char minus }
- symbol @Yield { { Symbol Base } @Font @Char minus }
- }
- }
-
- { @InitFontFamily Base @InitSize } @Font
- { @InitLine lines } @Break @Body
-
- @End @Prog
-
-@End @ProgSetup
diff --git a/man/prg2lout.1 b/man/prg2lout.1
index 7014e46..27232c7 100644
--- a/man/prg2lout.1
+++ b/man/prg2lout.1
@@ -93,6 +93,14 @@ is sufficiently large. For example,
.B -T0.5i
produces half-inch tab intervals.
.TP
+.BI \-S " filename"
+Use
+.I filename
+as the setup file instead of the system default setup file. The setup
+file determines the value of all formatting options not given to
+.I prg2lout
+as command line arguments.
+.TP
.B \-u
Print usage information on stderr, including available languages, and exit.
.TP
diff --git a/man/prg2lout.txt b/man/prg2lout.txt
index 991315d..848c4ff 100644
--- a/man/prg2lout.txt
+++ b/man/prg2lout.txt
@@ -68,6 +68,12 @@ OPTIONS
is sufficiently large. For example, -T0.5i produces
half-inch tab intervals.
+ -S filename
+ Use filename as the setup file instead of the system
+ default setup file. The setup file determines the
+ value of all formatting options not given to prg2lout
+ as command line arguments.
+
-u Print usage information on stderr, including available
languages, and exit.
diff --git a/prg2lout.c b/prg2lout.c
index c8ba048..d592edb 100644
--- a/prg2lout.c
+++ b/prg2lout.c
@@ -1,6 +1,7 @@
+
/*****************************************************************************/
/* */
-/* PRG2LOUT: A PROGRAM TO CONVERT PROGRAM SOURCES INTO LOUT (VERSION 1.0) */
+/* PRG2LOUT: A PROGRAM TO CONVERT PROGRAM SOURCES INTO LOUT (VERSION 2.0) */
/* COPYRIGHT (C) 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.su.oz.au) */
@@ -23,50 +24,123 @@
/* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
/* */
/*****************************************************************************/
-#include <stdio.h>
-#include <stdlib.h>
+
+
+/*****************************************************************************/
+/* */
+/* GENERAL INTRODUCTION TO PRG2LOUT */
+/* */
+/* The best way to see what the aim of prg2lout as currently conceived is, */
+/* is to look in file cprint at the setup file options. You will see that */
+/* the aim is to provide three basic styles: fixed (essentially mono font), */
+/* varying (essentially varying-width font with various faces for different */
+/* elements at the user's choice), and symbol (similar to varying). */
+/* */
+/* The elements currently aimed for are strings, identifiers, comments, */
+/* keywords, numbers, and operators, and the end user is able to choose, */
+/* for each of these kinds of elements, which font to set them in. */
+/* */
+/* This is achieved by a simple division of labour: prg2lout does the */
+/* classifying of the input into a sequence of these elements, and the Lout */
+/* end (cprint and cprintf, or their clones for other languages) does the */
+/* formatting. For example, the C text */
+/* */
+/* inc = inc + 1 */
+/* */
+/* would be classified by prg2lout into identifier, operator, identifier, */
+/* operator, number; and consequently prg2lout would emit */
+/* */
+/* @PI{"inc"} @PO{"="} @PI{"inc"} @PO{"+"} @PN{"1"} */
+/* */
+/* which is readable by Lout, thanks to having quotes around everything */
+/* potentially dangerous, and clearly tells Lout, by means of the commands */
+/* @PC, @PI, etc., how each part of the input has been classified. */
+/* */
+/* The actual classification is carried out by prg2lout as follows. Each */
+/* programming language is described to prg2lout as a collection of tokens; */
+/* you say what the token begins with, what's a legal character inside the */
+/* token, and how it ends. You also say which command (@PC, @PI etc.) to */
+/* emit when a token of that kind is found. Prg2lout does the rest. */
+/* */
+/* Prg2lout knows all about tricky problems such as multi-line tokens (it */
+/* breaks them up into single-line pieces) and backslash in Lout strings */
+/* (it replaces any \ within an output string by \\, " by \", etc.). It */
+/* also handles tab characters and formfeed characters properly, and it */
+/* produces intelligible error messages when unexpected things happen, */
+/* such as input terminating in the middle of a string. This attention to */
+/* detail is a strong reason for using prg2lout rather than something more */
+/* ad-hoc, such as @Verbatim or a quick script. */
+/* */
+/*****************************************************************************/
+
/*****************************************************************************/
/* */
-/* How to add another language to prg2lout's list */
+/* HOW TO ADD ANOTHER LANGUAGE TO PRG2LOUT */
+/* */
+/* Step 1. Construct clones of (say) eiffel and eiffelf (these are in */
+/* $LOUTLIB/include) with every occurrence of eiffel or Eiffel in them */
+/* changed to your language as appropriate. Install your files in the */
+/* Lout system include directory alongside eiffel and eiffelf. */
/* */
-/* Step 1. Have a browse through the token declarations below, and work */
+/* It is good to clone the files exactly because that way all program */
+/* formatting works the same way, and one chapter of the User's Guide */
+/* covers the lot. However if your language has some unique element, not */
+/* readily classifiable as a string, identifier, comment, keyword, */
+/* number, or operator, it is possible to emit a different command of */
+/* your choice for the new element; but then your clones of eiffel and */
+/* eiffelf have to be extended to handle that command. */
+/* */
+/* Step 2. Have a browse through the token declarations below, and work */
/* out which of them you need for your language. If you need a token that */
/* isn't there already, you'll have to define it; there are many examples */
-/* there to help you. */
+/* and documentation there to help you. The tokens for Perl are rather */
+/* complicated and don't make a good model for most languages, so look */
+/* more at the C and Eiffel ones. */
/* */
-/* Step 2. Browse through the language declarations, and declare your */
+/* Step 3. Browse through the language declarations, and declare your */
/* language following those examples: first you give a set of one or more */
-/* alternative names for your language, then the default printing style for */
-/* it (either "fixed", "varying", or "symbol"), then you list the tokens */
-/* of the language, then you list the keywords. */
+/* alternative names for your language, then some other things, including */
+/* the list of tokens of the language, and its keywords. */
/* */
-/* Step 3. Add your language variable to the list in the initializer of */
+/* Step 4. Add your language variable to the list in the initializer of */
/* variable languages, as you can see the others have been done. */
/* */
-/* Step 4. If any lists of initializers now contain more than */
+/* Step 5. If any lists of initializers now contain more than */
/* MAX_ARRAY_LENGTH-1 elements, increase MAX_ARRAY_LENGTH until they don't. */
+/* The gcc compiler will warn you if you forget to do this. */
/* */
-/* Step 5. Recompile and reinstall prg2lout, test "prg2lout -u" then */
+/* Step 6. Recompile and reinstall prg2lout, test "prg2lout -u" then */
/* "prg2lout -l <mylanguage> <myfile> | lout -s > out.ps". */
/* */
-/* Step 6. Send your tested and verified changes to jeff@cs.usyd.edu.au */
-/* for incorporation in the next Lout release. If you do this, please */
-/* try hard to ensure that your changes conform to the formal definition */
-/* of your language. */
+/* Step 7. Send your tested and tidied files to me for incorporation */
+/* in the next Lout release. If you do this, please try hard to ensure */
+/* that your new code conforms to the formal definition of your language. */
+/* Feel free to email me for advice as you go along. */
+/* */
+/* Jeff Kingston */
+/* jeff@cs.usyd.edu.au */
/* */
/*****************************************************************************/
-
+
+#include <stdio.h>
+#include <stdlib.h>
+#define FALSE 0
+#define TRUE 1
+#define BOOLEAN unsigned
+
/*****************************************************************************/
/* */
/* Character sets */
/* */
-/* Here are prg2lout's definitions of various commonly needed sets of */
+/* These are prg2lout's definitions of various commonly needed sets of */
/* characters. May need enhancement for Latin1 etc. */
/* */
/*****************************************************************************/
+#define AllCharacters NULL /* code will recognize NULL and do this */
+
char AllPrintable[] =
" !\"#$%&'()*+,-./0123456789:;<=>?@[\\]^_`\\{|}~\
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" ;
@@ -75,18 +149,14 @@ char AllPrintablePlusNL[] =
" !\"#$%&'()*+,-./0123456789:;<=>?@[\\]^_`\\{|}~\
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\n" ;
+char AllPrintablePlusTab[] =
+ " !\"#$%&'()*+,-./0123456789:;<=>?@[\\]^_`\\{|}~\
+ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\t" ;
+
char AllPrintableTabNL[] =
" !\"#$%&'()*+,-./0123456789:;<=>?@[\\]^_`\\{|}~\
ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz\n\t" ;
-char NotDoubleQuote[] =
- " !#$%&'()*+,-./0123456789:;<=>?@[\\]^_`\\{|}~\
-ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" ;
-
-char NotQuote[] =
- " !#$%&\"()*+,-./0123456789:;<=>?@[\\]^_`\\{|}~\
-ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" ;
-
char Letters[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz" ;
char Letter_Digit[] =
@@ -100,287 +170,1797 @@ char Letter_Digit[] =
#define SepDigits "0", "1", "2", "3", "4", "5", "6", "7", "8", "9"
+#define HexDigits "A", "a", "B", "b", "C", "c", "D", "d", "E", "e", "F", "f"
+
/*****************************************************************************/
/* */
/* TOKEN - put your token declarations in this section */
/* */
+/* The fields of token_rec have the following meanings: */
+/* */
+/* name */
+/* The name of this token, e.g. "string" or "identifier". This field */
+/* is used only by error messages generated by prg2lout; for example, */
+/* prg2lout might print the message "input ended within string". */
+/* */
+/* print_style */
+/* */
+/* print_style What gets printed */
+/* ------------------------------------------------------- */
+/* PRINT_WHOLE_QUOTED command{"token"} */
+/* PRINT_NODELIMS_QUOTED command{"token-minus-delims"} */
+/* PRINT_WHOLE_UNQUOTED command{token} */
+/* PRINT_NODELIMS_UNQUOTED command{token-minus-delims} */
+/* PRINT_NODELIMS_INNER command{inner} */
+/* PRINT_COMMAND_ONLY command */
+/* */
+/* If command (see next) is empty then the braces {} are not printed. */
+/* */
+/* PRINT_WHOLE_QUOTED. This command is the most frequently used one; */
+/* it prints the token, enclosed in braces and quotes, preceded by the */
+/* command. The quotes ensure that the result is legal Lout; any " or */
+/* \ in the token is printed with a preceding \ as required in Lout. */
+/* The usual arrangement for handling white space is that none of the */
+/* tokens contain it; when it is encountered prg2lout generates the */
+/* appropriate Lout without being told (a space for a space, a newline */
+/* for a newline, @NP for a formfeed, and something clever for tab */
+/* which does the required thing). However, you can define a token */
+/* that contains white space if you wish. If you do this, the */
+/* quotation marks will be temporarily closed off, the white space */
+/* handled as just described, then the quotes opened again. */
+/* */
+/* PRINT_NODELIMS_QUOTED. This is like PRINT_WHOLE_QUOTED except that */
+/* the opening and closing delimiters of the token are omitted from */
+/* the print. This is useful occasionally when these delimiters are */
+/* formatting markers, not intended to be printed. */
+/* */
+/* PRINT_WHOLE_UNQUOTED. This style prints the command and braces */
+/* as usual, but omits the quotes and prints the token absolutely */
+/* verbatim. In general this is not going to produce legal Lout, */
+/* but it is useful in two cases: when the token is a Lout escape, */
+/* so that it is the user's responsibility to ensure that its content */
+/* is legal Lout; and when the command is another filter command, so */
+/* that the token content will not go directly into Lout anyway, it */
+/* will go through the other filter first. */
+/* */
+/* PRINT_NODELIMS_UNQUOTED. This is like PRINT_WHOLE_UNQUOTED except */
+/* that the opening and closing delimiters of the token are omitted. */
+/* */
+/* PRINT_NODELIMS_INNER. Like PRINT_NODELIMS_UNQUOTED except that the */
+/* inner part (i.e. not delimiters) is formatted in the same language. */
+/* */
+/* PRINT_COMMAND_ONLY. This ignores the token and prints just the */
+/* command, presumably because the command says it all for that token. */
+/* When using PRINT_COMMAND_ONLY you will probably need to finish your */
+/* command with a space: since there are no following braces in this */
+/* print style, your command will run into the next one otherwise. */
+/* */
/*****************************************************************************/
-#define MAX_CHAR 256
-#define MAX_STRING_LENGTH 101
-#define MAX_ARRAY_LENGTH 101
+
+/*****************************************************************************/
+/* */
+/* Meaning of TOKEN fields (ctd.) */
+/* */
+/* command */
+/* The Lout command to print. This command could be an legal Lout; */
+/* programming language setup files offer the following Lout symbols */
+/* that make the most common commands: */
+/* */
+/* @PI for formatting identifiers */
+/* @PK for formatting keywords */
+/* @PO for formatting operators */
+/* @PN for formatting numbers */
+/* @PS for formatting strings */
+/* @PC for formatting comments */
+/* @PA for printing an asterisk (lower on the line than usual) */
+/* @PM for printing a minus sign (longer than a hyphen) */
+/* @PD for printing a dot (.), only larger than usual */
+/* */
+/* The last three require PRINT_COMMAND_ONLY (they take no parameter). */
+/* If command is NULL or "", then no command will be printed and */
+/* furthermore the token will not be enclosed in the usual braces. */
+/* */
+/* alternate_command */
+/* Every language has a list of keywords. Just before printing each */
+/* token, it is compared against the keywords. If it is one of them, */
+/* then alternate_command is used instead of command. For example, */
+/* identifiers usually have command @PI and alternate_command @PK. */
+/* */
+/* following_command */
+/* Print this Lout command (or commands) after the token. */
+/* */
+/* start_line_only */
+/* A Boolean field. If TRUE, this token is to be recognized only */
+/* if it occurs at the very start of a line. */
+/* */
+/* starts[] */
+/* This field holds an array of strings. If prg2lout discovers any */
+/* one of these strings while it is not reading some other token, */
+/* then it deems that this token has begun. The recognized string */
+/* is the token's "starting delimiter". */
+/* */
+/* starts2[], ends2[] */
+/* These fields each hold an array of strings, and the two arrays */
+/* must have equal length. If they have length zero, these fields */
+/* do not apply. Otherwise, they modify the meaning of starts[] and */
+/* end_delimiter below. Their effect is best seen by looking at some */
+/* examples from Perl, their only user at the time of writing: */
+/* */
+/* q/hello/ qq/hello/ qq?hello? qq{hello} */
+/* */
+/* These strings may begin with q, qq, qx, and several other things; */
+/* this is then followed by a single character which determines the */
+/* string terminator; e.g. / means "terminate with /", { means */
+/* "terminate with }", etc. This is implemented by putting these */
+/* pairs of strings in corresponding places in starts[] and ends[]. */
+/* */
+/* starts: { "q", "qq", "qx" } */
+/* starts2: { "/", "?", "{" } */
+/* ends2: { "/", "?", "}" } */
+/* */
+/* PerlQTypeToken is a larger example of this. */
+/* */
+/*****************************************************************************/
+
+
+/*****************************************************************************/
+/* */
+/* Meaning of TOKEN fields (ctd.) */
+/* */
+/* legal */
+/* This string defines the set of legal characters inside this token. */
+/* For example, numbers might have "0123456789." for this field, since */
+/* these are the characters that are legal within numbers, usually. */
+/* */
+/* escape */
+/* This string defines a single character which is the escape */
+/* character for this token. That is, if we are reading this token */
+/* and come upon this character, the character following it is */
+/* treated differently. An empty string "" means no escape character. */
+/* */
+/* escape_legal */
+/* This string defines the set of characters which are legal after */
+/* the escape character just mentioned. If any one of these appears */
+/* immediately after the escape character, it is deemed to be part */
+/* of the token even if without the preceding escape it would not be. */
+/* */
+/* inner_escape */
+/* end_inner_escape */
+/* The inner_escape string should be either empty (in which case it */
+/* does not apply), or else it should contain a single character, the */
+/* "inner escape" character. An inner escape is a temporary suspension */
+/* of a token, reverting to the original language. It is used to set */
+/* program text within comments. For example, in Eiffel and Blue, */
+/* inner_escape is "`" and end_inner_escape is "'" and so we can write */
+/* */
+/* -- increment `balance' by `amount' */
+/* */
+/* to treat balance and amount as identifiers within a comment token. */
+/* The inner escape is not limited to one token, it may have any */
+/* number of tokens, and they may have inner escapes too; prg2lout */
+/* imposes no limit on the depth of nesting of inner escapes. */
+/* */
+/* end_delimiter */
+/* This string shows how the token ends; for example, a string would */
+/* have end_delimiter ". If empty, it means that the token ends */
+/* just before the first character encountered that is not legal (see */
+/* "legal" above). For example, identifiers and numbers would have */
+/* empty end_delimiter. If ends2[] is not empty then end_delimiter */
+/* is ignored, since ends2[] explains how the token ends. */
+/* */
+/* end_start_line_only */
+/* A BOOLEAN field. If true, the end delimiter is to be recognized */
+/* only if it occurs at the very start of a line. */
+/* */
+/* want_two_ends */
+/* A Boolean feature used only by Perl; TRUE means that end_delimiter */
+/* (or ends2[]) has to be encountered twice before the token ends, */
+/* rather than the usual once. Used by PerSTypeToken to recognise */
+/* */
+/* s/abc/ABC/ */
+/* */
+/* and similar things as single tokens. Note that this works without */
+/* modification on s{abc}{ABC} provided { is legal within strings: as */
+/* long as the token terminates at the second }, we are safe. */
+/* */
+/*****************************************************************************/
+
+
+#define MAX_CHAR 256
+#define MAX_ARRAY_LENGTH 401
+#define PRINT_WHOLE_QUOTED 1
+#define PRINT_NODELIMS_QUOTED 2
+#define PRINT_WHOLE_UNQUOTED 3
+#define PRINT_NODELIMS_UNQUOTED 4
+#define PRINT_NODELIMS_INNER 5
+#define PRINT_COMMAND_ONLY 6
typedef struct token_rec {
- char *name; /* the name of this token, e.g. "string" */
- char *command; /* the Lout command for it, e.g. "@D" */
- char *alternate_command; /* the alternate command for it, e.g. "@K" */
- char *starts[MAX_ARRAY_LENGTH]; /* strings that start this token */
- char *legal; /* legal characters in this token */
- char *escape; /* the escape character e.g. "\\", or "" */
- char *escape_legal; /* legal characters after escape character */
- char *inner_escape; /* inner escape, e.g. "`", or else "" */
- char *end_inner_escape; /* end inner escape, e.g. "'" */
- char *end_delimiter; /* the end delimiter, else "" */
+ char *name;
+ int print_style;
+ char *command;
+ char *alternate_command;
+ char *following_command;
+ BOOLEAN start_line_only;
+ char *starts[MAX_ARRAY_LENGTH];
+ char *starts2[MAX_ARRAY_LENGTH];
+ char *ends2[MAX_ARRAY_LENGTH];
+ char *legal;
+ char *escape;
+ char *escape_legal;
+ char *inner_escape;
+ char *end_inner_escape;
+ char *end_delimiter;
+ BOOLEAN end_start_line_only;
+ BOOLEAN want_two_ends;
/* The following options are initialized by the program, so don't you */
- char chtype[MAX_CHAR]; /* character types within token */
+ char chtype[MAX_CHAR]; /* character types within token */
char escape_chtype[MAX_CHAR]; /* character types after escape */
} TOKEN;
+
+/*****************************************************************************/
+/* */
+/* Tokens defining strings and literal characters in non-Perl languages. */
+/* */
+/*****************************************************************************/
TOKEN CStringToken = {
"string", /* used by error messages involving this token */
- "@S", /* Lout command for formatting strings */
- "", /* No alternate command */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PS", /* Lout command for formatting strings */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ "\"" }, /* strings begin with a " character */
- NotDoubleQuote, /* inside, any printable except " is OK */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintable, /* inside, any printable is OK */
"\\", /* within strings, \\ is the escape character */
AllPrintablePlusNL, /* after escape char, any printable char or nl OK */
"", /* strings do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "\"" /* strings end with a " character */
+ "\"", /* strings end with a " character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
TOKEN CCharacterToken = {
"character", /* used by error messages involving this token */
- "@C", /* Lout command for formatting characters */
- "", /* No alternate command */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PC", /* Lout command for formatting characters */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ "'" }, /* characters begin with a ' character */
- NotQuote, /* inside, any printable except ' is OK */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintable, /* inside, any printable character is OK */
"\\", /* within characters, \\ is the escape character */
AllPrintable, /* after escape char, any printable char is OK */
"", /* characters do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "'" /* characters end with a ' character */
+ "'", /* characters end with a ' character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
+
TOKEN EiffelStringToken = {
"string", /* used by error messages involving this token */
- "@S", /* Lout command for formatting strings */
- "", /* No alternate command */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PS", /* Lout command for formatting strings */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ "\"" }, /* strings begin with a " character */
- NotDoubleQuote, /* inside, any printable except " is OK */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintable, /* inside, any printable except " is OK */
"%", /* within strings, % is the escape character */
AllPrintable, /* after escape char, any printable char is OK */
"", /* strings do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "\"" /* strings end with a " character */
+ "\"", /* strings end with a " character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
TOKEN EiffelCharacterToken = {
"character", /* used by error messages involving this token */
- "@C", /* Lout command for formatting characters */
- "", /* No alternate command */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PC", /* Lout command for formatting characters */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ "'" }, /* characters begin with a ' character */
- NotQuote, /* inside, any printable except ' is OK */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintable, /* inside, any printable except ' is OK */
"%", /* within characters, % is the escape character */
AllPrintable, /* after escape char, any printable char is OK */
"", /* characters do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "'" /* characters end with a ' character */
+ "'", /* characters end with a ' character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
+
+
+/*****************************************************************************/
+/* */
+/* Identifiers, in the form common to most programming languages. */
+/* */
+/*****************************************************************************/
TOKEN IdentifierToken = {
"identifier", /* used by error messages involving this token */
- "@D", /* Lout command for formatting identifiers */
- "@K", /* Alternate command (for keywords) */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PI", /* Lout command for formatting identifiers */
+ "@PK", /* Alternate command (for keywords) */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ SepLetters, "_" }, /* identifiers begin with any letter or _ */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
Letter_Digit, /* inside, letters, underscores, digits are OK */
"", /* no escape character within identifiers */
"", /* so nothing legal after escape char either */
"", /* identifiers do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "" /* identifiers do not end with a delimiter */
+ "", /* identifiers do not end with a delimiter */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
+
+/*****************************************************************************/
+/* */
+/* Numbers, in the form common to most programming languages. */
+/* */
+/*****************************************************************************/
+
TOKEN NumberToken = {
"number", /* used by error messages involving this token */
- "@N", /* Lout command for formatting numbers */
- "", /* No alternate command */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PN", /* Lout command for formatting numbers */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ SepDigits }, /* numbers must begin with a digit */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
"0123456789.eE", /* inside, digits, decimal point, exponent */
"", /* no escape character within numbers */
"", /* so nothing legal after escape char either */
"", /* numbers do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "" /* numbers do not end with a delimiter */
+ "", /* numbers do not end with a delimiter */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
+
+
+/*****************************************************************************/
+/* */
+/* Tokens defining comments in various languages. */
+/* */
+/*****************************************************************************/
TOKEN CCommentToken = {
"comment", /* used by error messages involving this token */
- "@C", /* Lout command for formatting comments */
- "", /* No alternate command */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PC", /* Lout command for formatting comments */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ "/*" }, /* comments begin with this character pair */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
AllPrintableTabNL, /* inside, any printable char, tab, or nl is OK */
"", /* no escape character within comments */
"", /* so nothing legal after escape char either */
"", /* C comments do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "*/" /* comments end with this character pair */
-};
-
-TOKEN CCommentEscapeToken = {
- "Lout escape", /* used by error messages involving this token */
- NULL, /* no Lout command since passed through unformatted */
- "", /* No alternate command */
- { "/*@" }, /* comments begin with this character pair */
- AllPrintableTabNL, /* inside, any printable char, tab, or nl is OK */
- "", /* no escape character within comments */
- "", /* so nothing legal after escape char either */
- "", /* no "inner escape" in escape comments */
- "", /* so no end of "inner escape" either */
- "*/" /* comments end with this character pair */
+ "*/", /* comments end with this character pair */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
TOKEN CPPCommentToken = {
"comment", /* used by error messages involving this token */
- "@C", /* Lout command for formatting comments */
- "", /* No alternate command */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PC", /* Lout command for formatting comments */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
{ "//" }, /* comments begin with this character pair */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
AllPrintable, /* inside, any printable char is OK (not NL) */
"", /* no escape character within comments */
"", /* so nothing legal after escape char either */
"", /* C comments do not permit "inner escapes" */
"", /* and so there is no end innner escape either */
- "" /* no end delimiter (end of line will end it) */
+ "", /* no end delimiter (end of line will end it) */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
+
-TOKEN CPPCommentEscapeToken = {
- "Lout escape", /* used by error messages involving this token */
- NULL, /* no Lout command since passed through unformatted */
- "", /* No alternate command */
- { "//@" }, /* comments begin with this character pair */
+TOKEN EiffelCommentToken = {
+ "comment", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PC", /* Lout command for formatting comments */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "--" }, /* comments begin with this character pair */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
AllPrintable, /* inside, any printable char is OK */
"", /* no escape character within comments */
"", /* so nothing legal after escape char either */
- "", /* no "inner escape" in escape comments */
- "", /* so no end of "inner escape" either */
- "" /* no end delimiter (end of line will end it) */
+ "`", /* start of "inner escape" in Eiffel comment */
+ "'", /* end of "inner escape" in Eiffel comment */
+ "", /* no ending delimiter; end of line will end it */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
-TOKEN EiffelCommentToken = {
+TOKEN BlueCommentToken = {
"comment", /* used by error messages involving this token */
- "@C", /* Lout command for formatting comments */
- "", /* No alternate command */
- { "--" }, /* comments begin with this character pair */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PC", /* Lout command for formatting comments */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "==", "--" }, /* comments begin with this character pair */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
AllPrintable, /* inside, any printable char is OK */
"", /* no escape character within comments */
"", /* so nothing legal after escape char either */
- "`", /* start of "inner escape" in Eiffel comment */
- "'", /* end of "inner escape" in Eiffel comment */
- "" /* no ending delimiter; end of line will end it */
+ "`", /* start of "inner escape" in Blue comment */
+ "'", /* end of "inner escape" in Blue comment */
+ "", /* no ending delimiter; end of line will end it */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
-TOKEN EiffelCommentEscapeToken = {
+
+/*****************************************************************************/
+/* */
+/* Tokens defining escape comments in various languages. */
+/* */
+/* See discussion of "inner escapes" above for more information. */
+/* */
+/*****************************************************************************/
+
+TOKEN CCommentEscapeToken = {
"Lout escape", /* used by error messages involving this token */
- NULL, /* no Lout command since passed through unformatted */
- "", /* No alternate command */
- { "--@" }, /* comments begin with this character pair */
+ PRINT_NODELIMS_UNQUOTED, /* print this token unformatted */
+ "", /* no Lout command since we are printing raw */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "/*@" }, /* escape comments begin with this delimiter */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintableTabNL, /* inside, any printable char, tab, or nl is OK */
+ "", /* no escape character within comments */
+ "", /* so nothing legal after escape char either */
+ "", /* no "inner escape" in escape comments */
+ "", /* so no end of "inner escape" either */
+ "*/", /* comments end with this character pair */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN CPPCommentEscapeToken = {
+ "Lout escape", /* used by error messages involving this token */
+ PRINT_NODELIMS_UNQUOTED, /* print this token unformatted */
+ "", /* no Lout command since we are printing raw */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "//@" }, /* escape comments begin with this delimiter */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
AllPrintable, /* inside, any printable char is OK */
"", /* no escape character within comments */
"", /* so nothing legal after escape char either */
"", /* no "inner escape" in escape comments */
"", /* so no end of "inner escape" either */
- "" /* no ending delimiter; end of line will end it */
+ "", /* no end delimiter (end of line will end it) */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
+
-TOKEN BlueCommentToken = {
- "comment", /* used by error messages involving this token */
- "@C", /* Lout command for formatting comments */
- "", /* No alternate command */
- { "==", "--" }, /* comments begin with this character pair */
+TOKEN EiffelCommentEscapeToken = {
+ "Lout escape", /* used by error messages involving this token */
+ PRINT_NODELIMS_UNQUOTED, /* print this token unformatted */
+ "", /* no Lout command since we are printing raw */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "--@" }, /* escape comments begin with this delimiter */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
AllPrintable, /* inside, any printable char is OK */
"", /* no escape character within comments */
"", /* so nothing legal after escape char either */
- "`", /* start of "inner escape" in Blue comment */
- "'", /* end of "inner escape" in Blue comment */
- "" /* no ending delimiter; end of line will end it */
+ "", /* no "inner escape" in escape comments */
+ "", /* so no end of "inner escape" either */
+ "", /* no ending delimiter; end of line will end it */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
TOKEN BlueCommentEscapeToken = {
"Lout escape", /* used by error messages involving this token */
- NULL, /* no Lout command since passed through unformatted */
- "", /* No alternate command */
- { "==@", "--@" }, /* comments begin with this character pair */
+ PRINT_NODELIMS_UNQUOTED, /* print this token unformatted */
+ "", /* no Lout command since we are printing raw */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "==@", "--@" }, /* escape comments begin with these delimiters */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
AllPrintable, /* inside, any printable char is OK */
"", /* no escape character within comments */
"", /* so nothing legal after escape char either */
"", /* no "inner escape" in escape comments */
"", /* so no end of "inner escape" either */
- "" /* no ending delimiter; end of line will end it */
+ "", /* no ending delimiter; end of line will end it */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
};
+
+/*****************************************************************************/
+/* */
+/* Tokens which are fixed strings, hence simpler than the above. */
+/* */
+/*****************************************************************************/
#define FixedToken(str, command) /* define fixed-string token */ \
{ \
str, /* name used for debugging only */ \
+ PRINT_WHOLE_QUOTED, /* print this token as usual */ \
+ command, /* Lout command for formatting this */ \
+ "", /* no alternate command */ \
+ "", /* no following command */ \
+ FALSE, /* token not just start of line */ \
+ { str }, /* token begins (and ends!) with this */ \
+ { NULL }, /* no start2 needed */ \
+ { NULL }, /* so no end2 either */ \
+ "", /* nothing inside, since no inside */ \
+ "", "", /* no escape character */ \
+ "", "", /* no inner escape; no end inner esc */ \
+ "", /* no ending delimiter */ \
+ FALSE, /* end not have to be at line start */ \
+ FALSE, /* don't end delimiter twice to stop */ \
+}
+
+TOKEN HashToken = FixedToken("#", "@PO");
+TOKEN ExclamationToken = FixedToken("!", "@PO");
+TOKEN PercentToken = FixedToken("%", "@PO");
+TOKEN HatToken = FixedToken("^", "@PO");
+TOKEN AmpersandToken = FixedToken("&", "@PO");
+TOKEN SlashToken = FixedToken("/", "@PO");
+TOKEN ArrowToken = FixedToken("->", "arrowright @A @PO");
+TOKEN BackSlashToken = FixedToken("\\", "@PO");
+TOKEN LeftParenToken = FixedToken("(", "@PO");
+TOKEN RightParenToken = FixedToken(")", "@PO");
+TOKEN PlusToken = FixedToken("+", "plus @A @PO");
+TOKEN EqualToken = FixedToken("=", "equal @A @PO");
+TOKEN LeftBraceToken = FixedToken("{", "@PO");
+TOKEN RightBraceToken = FixedToken("}", "@PO");
+TOKEN BarToken = FixedToken("|", "@PO");
+TOKEN CircumToken = FixedToken("~", "@PO");
+TOKEN LeftBracketToken = FixedToken("[", "@PO");
+TOKEN RightBracketToken = FixedToken("]", "@PO");
+TOKEN SemicolonToken = FixedToken(";", "@PO");
+TOKEN ColonToken = FixedToken(":", "@PO");
+TOKEN LessToken = FixedToken("<", "less @A @PO");
+TOKEN GreaterToken = FixedToken(">", "greater @A @PO");
+TOKEN QuestionToken = FixedToken("?", "@PO");
+TOKEN CommaToken = FixedToken(",", "@PO");
+TOKEN DotToken = FixedToken(".", "@PO");
+TOKEN LessEqualToken = FixedToken("<=", "lessequal @A @PO");
+TOKEN GreaterEqualToken = FixedToken(">=", "greaterequal @A @PO");
+TOKEN CNotEqualToken = FixedToken("!=", "notequal @A @PO");
+TOKEN EiffelNotEqualToken = FixedToken("/=", "notequal @A @PO");
+TOKEN BlueNotEqualToken = FixedToken("<>", "notequal @A @PO");
+TOKEN AssignToken = FixedToken(":=", "@PO");
+TOKEN QuestionAssignToken = FixedToken("?=", "@PO");
+TOKEN DollarToken = FixedToken("$", "@PO");
+TOKEN ImpliesToken = FixedToken("=>", "implies @A @PO");
+
+
+/*****************************************************************************/
+/* */
+/* Fixed-string tokens that are to be printed COMMAND_ONLY (no parameter). */
+/* */
+/*****************************************************************************/
+
+#define NoParameterToken(str, command) /* define fixed-string token */ \
+{ \
+ str, /* name used for debugging only */ \
+ PRINT_COMMAND_ONLY, /* print only the command */ \
command, /* Lout command for formatting this */ \
- "", /* No alternate command */ \
+ "", /* no alternate command */ \
+ "", /* no following command */ \
+ FALSE, /* token not just start of line */ \
{ str }, /* token begins (and ends!) with this */ \
+ { NULL }, /* no start2 needed */ \
+ { NULL }, /* so no end2 either */ \
"", /* nothing inside, since no inside */ \
- "", /* no escape character */ \
- "", /* so nothing after escape character */ \
- "", /* no inner escape either */ \
- "", /* so no end inner escape */ \
- "" /* no ending delimiter */ \
+ "", "", /* no escape character */ \
+ "", "", /* no inner escape; no end inner esc */ \
+ "", /* no ending delimiter */ \
+ FALSE, /* end not have to be at line start */ \
+ FALSE, /* don't end delimiter twice to stop */ \
+}
+
+TOKEN StarToken = NoParameterToken("*", "{@PA}");
+TOKEN MinusToken = NoParameterToken("-", "{@PM}");
+TOKEN EiffelDotToken = NoParameterToken(".", "{@PD}");
+
+
+/*****************************************************************************/
+/* */
+/* Perl (quarantined from other languages since it's very different). */
+/* */
+/* Perl code co-authored by Jeffrey H. Kingston and Mark Summerfield */
+/* March 2000 */
+/* */
+/* In the comments below, WCS refers to "Programming Perl", Second */
+/* Edition (1996), by Wall, Christiansen, and Schwartz. However Perl */
+/* has changed since then and this code also reflects those changes. */
+/* */
+/*****************************************************************************/
+
+/*****************************************************************************/
+/* */
+/* Perl's strings and regular expressions */
+/* */
+/* The table in WCS pp. 41 is a good summary of the possibilities: */
+/* */
+/* '' q// */
+/* "" qq// */
+/* `` qx// */
+/* () qw// */
+/* // m// */
+/* s/// s/// */
+/* y/// tr/// */
+/* */
+/* To this must be added the following quotation, which begins just */
+/* below the table: */
+/* */
+/* Any non-alphabetic, non-whitespace delimiter can be used in place */
+/* of /. If the opening delimiter is a parenthesis, bracket, brace, */
+/* or angle bracket, the closing delimiter will be the matching */
+/* construct. (Embedded occurrences of the delimiters must match in */
+/* pairs.) ... Finally, for two-string constructs like s/// and tr///, */
+/* if the first pair of quotes is a bracketing pair, then the second */
+/* part gets its own starting quote character, which needn't be the */
+/* same as the first pair. So you can write things like s{foo}(bar) */
+/* or tr[a-z][A-Z]. Whitespace is allowed between the two inner quote */
+/* characters, so you could even write that last one as */
+/* */
+/* tr [a-z] */
+/* [A-Z] */
+/* */
+/* At present the tokens below have three problems implementing this: */
+/* */
+/* (1) When / appears without anything in front, it will be recognized */
+/* as a division operator, hence the following regular expression */
+/* will be treated as ordinary Perl, not as a regular expression; */
+/* */
+/* (2) When the delimiters are a matching pair, embedded occurrences */
+/* are not recognised as such: the first closing delimiter will be */
+/* taken to close the pair; */
+/* */
+/* (3) The case s{foo}(bar) is not implemented; the second bracketing */
+/* pair must be the same as the first; in fact prg2lout will keep */
+/* going, looking for a second closing brace, in this example. */
+/* */
+/*****************************************************************************/
+
+
+TOKEN PerlSingleQuoteStringToken = {
+ "''-string", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PS", /* Lout command for formatting strings */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "'" }, /* strings begin with a ' character */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* inside, any character at all is OK */
+ "\\", /* within strings, \\ is the escape character */
+ "\\'", /* after escape, only \ and ' are OK (WCS p. 39) */
+ "", /* strings do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "\'", /* strings end with a ' character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PerlDoubleQuoteStringToken = {
+ "\"\"-string", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PS", /* Lout command for formatting strings */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "\"" }, /* strings begin with a " character */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* inside, any character at all is OK */
+ "\\", /* within strings, \\ is the escape character */
+ AllCharacters, /* after escape char, any character at all is OK */
+ "", /* strings do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "\"", /* strings end with a " character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PerlBackQuoteStringToken = {
+ "``-string", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PS", /* Lout command for formatting strings */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "`" }, /* strings begin with a ` character */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* inside, any character at all is OK */
+ "\\", /* within strings, \\ is the escape character */
+ AllCharacters, /* after escape char, any character at all is OK */
+ "", /* strings do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "`", /* strings end with a ` character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+TOKEN PerlQTypeStringToken = {
+ "q-type-string", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PS", /* Lout command for formatting strings */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "q", "qq", "qx", "qw", "qr", "m" }, /* q-type strings begin with these */
+ { "/", "(", "[", "{", "<", "!", "%", "#", "|", ",", ":", ";" }, /*start2 */
+ { "/", ")", "]", "}", ">", "!", "%", "#", "|", ",", ":", ";" }, /* end2 */
+ AllCharacters, /* inside, any character at all is OK */
+ "\\", /* within strings, \\ is the escape character */
+ AllCharacters, /* after escape char, any character at all is OK */
+ "", /* strings do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "", /* will be using end2 for the end delimiter here */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PerlSTypeStringToken = {
+ "s-type-string", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PS", /* Lout command for formatting strings */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "s", "y", "tr" }, /* s-type strings begin with these */
+ { "/", "(", "[", "{", "<", "!", "%", "#", "|", ",", ":", ";" }, /*start2 */
+ { "/", ")", "]", "}", ">", "!", "%", "#", "|", ",", ":", ";" }, /* end2 */
+ AllCharacters, /* inside, any character at all is OK */
+ "\\", /* within strings, \\ is the escape character */
+ AllCharacters, /* after escape char, any character at all is OK */
+ "", /* strings do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "", /* will be using end2 for the end delimiter here */
+ FALSE, /* end delimiter does not have to be at line start */
+ TRUE, /* need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Perl "bare" regular expressions */
+/* */
+/* By a bare regular expression, we mean one that is not preceded */
+/* by q, qq, m etc. These are distinguished from division by being */
+/* preceded by one of =, =~, !~, split, if, not, unless, for, foreach, */
+/* or while, with up to two white space characters intervening. */
+/* */
+/*****************************************************************************/
+
+#define PerlREToken(start, com) \
+{ \
+ "regexp", /* used by error messages */ \
+ PRINT_NODELIMS_QUOTED,/* no delims since we supply them */ \
+ com, /* the command */ \
+ "", /* no alternate command */ \
+ "@PS{\"/\"}", /* following command (final /) */ \
+ FALSE, /* token allowed not just start of line */ \
+ { start }, /* preceding token in this case */ \
+ { "/", " /", "\t/", " /", " \t/", "\t /", "\t\t/" }, /* start2 */ \
+ { "/", "/", "/", "/", "/", "/", "/" }, /* end2 */ \
+ AllCharacters, /* any character OK inside */ \
+ "\\", /* \\ is the escape character */ \
+ AllCharacters, /* after escape char, any is OK */ \
+ "", /* no inner escapes */ \
+ "", /* no end innner escape either */ \
+ "", /* will be using end2 here */ \
+ FALSE, /* no need to end at line start */ \
+ FALSE, /* don't want end delimiter twice */ \
+}
+
+TOKEN PerlRegExpLPar = PerlREToken("(", "@PO{\"(\"} @PS{\"/\"}@PS");
+TOKEN PerlRegExpEq = PerlREToken("=", "@PO{\"=\"} @PS{\"/\"}@PS");
+TOKEN PerlRegExpMatch = PerlREToken("=~", "@PO{\"=~\"} @PS{\"/\"}@PS");
+TOKEN PerlRegExpNoMatch = PerlREToken("!~", "@PO{\"!~\"} @PS{\"/\"}@PS");
+TOKEN PerlRegExpSplit = PerlREToken("split", "@PK{split} @PS{\"/\"}@PS");
+TOKEN PerlRegExpIf = PerlREToken("if", "@PK{if} @PS{\"/\"}@PS");
+TOKEN PerlRegExpNot = PerlREToken("not", "@PK{not} @PS{\"/\"}@PS");
+TOKEN PerlRegExpUnless = PerlREToken("unless", "@PK{unless} @PS{\"/\"}@PS");
+TOKEN PerlRegExpFor = PerlREToken("for", "@PK{for} @PS{\"/\"}@PS");
+TOKEN PerlRegExpForEach = PerlREToken("foreach","@PK{foreach} @PS{\"/\"}@PS");
+TOKEN PerlRegExpWhile = PerlREToken("while", "@PK{while} @PS{\"/\"}@PS");
+
+TOKEN PerlRegExpStartLineToken =
+{
+ "regexp", /* used by error messages */
+ PRINT_WHOLE_QUOTED, /* we can print the whole thing this time */
+ "@PS", /* the command */
+ "", /* no alternate command */
+ "", /* no following command */
+ TRUE, /* token allowed only at start of line */
+ { "/" }, /* starting delimiter (so easy!) */
+ { NULL }, /* no start2 */
+ { NULL }, /* no end2 */
+ AllCharacters, /* any character OK inside */
+ "\\", /* \\ is the escape character */
+ AllCharacters, /* after escape char, any is OK */
+ "", /* no inner escapes */
+ "", /* no end innner escape either */
+ "/", /* ending delimiter */
+ FALSE, /* no need to end at line start */
+ FALSE, /* don't want end delimiter twice */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Perl's here-documents */
+/* */
+/* At present the only terminating strings recognized are EOT, EOF, END, */
+/* and the empty string. These may all be quoted in the usual ways. */
+/* */
+/*****************************************************************************/
+
+#define X(startstr, endstr, startcom, endcom) \
+{ \
+ "here-document", /* used by error messages */ \
+ PRINT_NODELIMS_QUOTED,/* no delims since we supply them */ \
+ startcom, /* the command */ \
+ "", /* no alternate command */ \
+ endcom, /* following command (final /) */ \
+ FALSE, /* token allowed not just start of line */ \
+ { startstr }, /* starting delimiter */ \
+ { NULL }, /* no start2 */ \
+ { NULL }, /* no end2 */ \
+ AllCharacters, /* any character OK inside */ \
+ "", "", /* no escape character */ \
+ "", "", /* no inner escapes */ \
+ endstr, /* token ends with this */ \
+ TRUE, /* must be found at line start */ \
+ FALSE, /* don't want end delimiter twice */ \
+}
+
+#define sEOT "\n@PS{\"EOT\"}\n"
+#define sEOF "\n@PS{\"EOF\"}\n"
+#define sEND "\n@PS{\"END\"}\n"
+#define sBLA "\n@PS{\"\"}\n"
+
+TOKEN HereEOTuq = X("<<EOT", "EOT\n", "@PO{<<}@PS{\"EOT\"}@PS", sEOT);
+TOKEN HereEOTdq = X("<<\"EOT\"","EOT\n", "@PO{<<}@PS{\"\\\"EOT\\\"\"}@PS",sEOT);
+TOKEN HereEOTfq = X("<<'EOT'", "EOT\n", "@PO{<<}@PS{\"'EOT'\"}@PS", sEOT);
+TOKEN HereEOTbq = X("<<`EOT`", "EOT\n", "@PO{<<}@PS{\"`EOT`\"}@PS", sEOT);
+
+TOKEN HereEOFuq = X("<<EOF", "EOF\n", "@PO{<<}@PS{\"EOF\"}@PS", sEOF);
+TOKEN HereEOFdq = X("<<\"EOF\"","EOF\n", "@PO{<<}@PS{\"\\\"EOF\\\"\"}@PS",sEOF);
+TOKEN HereEOFfq = X("<<'EOF'", "EOF\n", "@PO{<<}@PS{\"'EOF'\"}@PS", sEOF);
+TOKEN HereEOFbq = X("<<`EOF`", "EOF\n", "@PO{<<}@PS{\"`EOF`\"}@PS", sEOF);
+
+TOKEN HereENDuq = X("<<END", "END\n", "@PO{<<}@PS{\"END\"}@PS", sEND);
+TOKEN HereENDdq = X("<<\"END\"","END\n", "@PO{<<}@PS{\"\\\"END\\\"\"}@PS",sEND);
+TOKEN HereENDfq = X("<<'END'", "END\n", "@PO{<<}@PS{\"'END'\"}@PS", sEND);
+TOKEN HereENDbq = X("<<`END`", "END\n", "@PO{<<}@PS{\"`END`\"}@PS", sEND);
+
+TOKEN HereBLAuq = X("<< ", "\n", "@PO{<<} @PS", sBLA);
+TOKEN HereBLAdq = X("<<\"\"", "\n", "@PO{<<}@PS{\"\\\"\\\"\"}@PS", sBLA);
+TOKEN HereBLAfq = X("<<''", "\n", "@PO{<<}@PS{\"''\"}@PS", sBLA);
+TOKEN HereBLAbq = X("<<``", "\n", "@PO{<<}@PS{\"``\"}@PS", sBLA);
+
+
+/*****************************************************************************/
+/* */
+/* Perl's identifiers */
+/* */
+/* "Names that start with a letter or underscore may be of any */
+/* length ... and may contain letters, digits, and underscores. */
+/* Names that start with a digit may only contain more digits. */
+/* Names that start with anything else are limited to that one */
+/* character (like $? or $$) and generally have a predefined */
+/* significance to Perl." (WCS page 38) */
+/* */
+/* In addition we have to consider that variable names may be preceded */
+/* by $, @, %, &, or *. Whether these are part of the variable or not is */
+/* rather doubtful. We will treat $ and @ as part of the variable and the */
+/* others not (since they occur elsewhere in the token list anyway); plus */
+/* we have a separate token type for identifiers beginning with $ and */
+/* followed by one character, which we will list explicitly. */
+/* */
+/*****************************************************************************/
+
+TOKEN PerlIdentifierToken = {
+ "identifier", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PI", /* Lout command for formatting identifiers */
+ "@PK", /* Alternate command (for keywords) */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ {SepLetters,"_","$","@"}, /* identifiers begin with these */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ Letter_Digit, /* inside, letters, underscores, digits are OK */
+ "", /* no escape character within identifiers */
+ "", /* so nothing legal after escape char either */
+ "", /* identifiers do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "", /* identifiers do not end with a delimiter */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PerlSpecialIdentifierToken = {
+ "special identifier", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PI", /* Lout command for formatting identifiers */
+ "@PK", /* Alternate command (for keywords) */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "$_", "$.", "$/", "$,", "$\\", "$\"", "$;", "$^L", "$:",
+ "$^A", "$#", "$?", "$!", "$@", "$$", "$<", "$>", "$(",
+ "$)", "$0", "$[", "$]", "$^D", "$^E", "$^F", "$^H", "$^I",
+ "$^M", "$^O", "$^P", "$^T", "$^W", "$^X"
+ }, /* all possible values of special variables */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ "", /* nothing allowed inside, since ends after start */
+ "", /* no escape character within identifiers */
+ "", /* so nothing legal after escape char either */
+ "", /* identifiers do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "", /* identifiers do not end with a delimiter */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Perl's numeric literals */
+/* */
+/* These are defined in WCS page 39 basically by giving these examples: */
+/* */
+/* 12345 # integer */
+/* 12345.67 # floating point */
+/* 6.02E23 # scientific notation */
+/* 0xffff # hexadecimal */
+/* 0377 # octal */
+/* 4_294_967_296 # underline for legibility */
+/* */
+/* Implementation is straightforward; hexadecimal is a separate token. */
+/* */
+/*****************************************************************************/
+
+TOKEN PerlLiteralNumberToken = {
+ "number", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PN", /* Lout command for formatting numbers */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { SepDigits }, /* numbers must begin with a digit */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ "0123456789.eE_", /* inside, digits, point, exponent, underscore */
+ "", /* no escape character within numbers */
+ "", /* so nothing legal after escape char either */
+ "", /* numbers do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "", /* numbers do not end with a delimiter */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PerlHexNumberToken = {
+ "number", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PN", /* Lout command for formatting numbers */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "0x" }, /* hex numbers must begin with 0x */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ "0123456789AaBbCcDdEeFf", /* inside, hexadecimal digits */
+ "", /* no escape character within numbers */
+ "", /* so nothing legal after escape char either */
+ "", /* numbers do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "", /* numbers do not end with a delimiter */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Perl's comments */
+/* */
+/* "Comments are indicated by the # character and extend to the end of */
+/* the line." (WCS page 35). To this we have added the usual Lout escape */
+/* comment beginning with #@. */
+/* */
+/*****************************************************************************/
+
+TOKEN PerlCommentToken = {
+ "comment", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* print this token in quotes etc. as usual */
+ "@PC", /* Lout command for formatting comments */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "#" }, /* comments begin with this character */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintable, /* inside, any printable char is OK (not NL) */
+ "", /* no escape character within comments */
+ "", /* so nothing legal after escape char either */
+ "", /* C comments do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "", /* no end delimiter (end of line will end it) */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PerlCommentEscapeToken = {
+ "Lout escape", /* used by error messages involving this token */
+ PRINT_NODELIMS_UNQUOTED, /* print this token unformatted */
+ "", /* no Lout command since we are printing raw */
+ "", /* no alternate command */
+ "", /* no following command */
+ FALSE, /* token allowed anywhere, not just start of line */
+ { "#@" }, /* comments begin with this character pair */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintable, /* inside, any printable char is OK */
+ "", /* no escape character within comments */
+ "", /* so nothing legal after escape char either */
+ "", /* no "inner escape" in escape comments */
+ "", /* so no end of "inner escape" either */
+ "", /* no end delimiter (end of line will end it) */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Perl's POD sub-language */
+/* */
+/* Pod is handled as a completely different language. However we need */
+/* one Perl token which recognizes an entire Pod interpolation and prints */
+/* it enclosed in @Pod { ... } so that Lout knows to call back later on it. */
+/* */
+/* "A line beginning with = is assumed to introduce some documentation, */
+/* which continues until another line is reached beginning with =cut" */
+/* (WCS page36). Strictly speaking this is only valid at points where */
+/* a statement would be legal, but that is beyond prg2lout to implement. */
+/* */
+/*****************************************************************************/
+
+TOKEN PerlPodToken = {
+ "perl-pod", /* used by error messages involving this token */
+ PRINT_NODELIMS_UNQUOTED, /* unquoted but with a command enclosing it */
+ "@DP @Pod", /* Lout command for formatting Pod */
+ "", /* no alternate command */
+ "@DP\n", /* following command */
+ TRUE, /* token allowed at start of line only */
+ { "=", "=pod" }, /* pod insert begins with either of these */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* inside, any character at all is OK */
+ "", /* no escape character within pod comments */
+ "", /* so nothing legal after escape char either */
+ "", /* pod comments do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "=cut", /* pod comments end with this string */
+ TRUE, /* end delimiter must be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Perl's operators */
+/* */
+/* Only those not already in the C/C++ list are given here. */
+/* */
+/*****************************************************************************/
+
+TOKEN PerlIncrementToken = FixedToken( "++", "@PO" ) ;
+TOKEN PerlDecrementToken = FixedToken( "--", "@PO" ) ;
+TOKEN PerlExponentiateToken = FixedToken( "**", "@PO" ) ;
+TOKEN PerlMatchToken = FixedToken( "=~", "@PO" ) ;
+TOKEN PerlNotMatchToken = FixedToken( "!~", "@PO" ) ;
+TOKEN PerlEqualToken = FixedToken( "==", "@PO" ) ;
+TOKEN PerlAssignToken = FixedToken( "=", "@PO" ) ;
+TOKEN PerlBitLeftShiftToken = FixedToken( "<<", "@PO" ) ;
+TOKEN PerlBitRightShiftToken = FixedToken( ">>", "@PO" ) ;
+TOKEN PerlSpaceshipToken = FixedToken( "<=>", "@PO" ) ;
+TOKEN PerlAndToken = FixedToken( "&&", "@PO" ) ;
+TOKEN PerlOrToken = FixedToken( "||", "@PO" ) ;
+TOKEN PerlRange2Token = FixedToken( "..", "@PO" ) ;
+TOKEN PerlRange3Token = FixedToken( "...", "@PO" ) ;
+TOKEN PerlFileTestrToken = FixedToken( "-r", "@PO" ) ;
+TOKEN PerlFileTestwToken = FixedToken( "-w", "@PO" ) ;
+TOKEN PerlFileTestxToken = FixedToken( "-x", "@PO" ) ;
+TOKEN PerlFileTestoToken = FixedToken( "-o", "@PO" ) ;
+TOKEN PerlFileTestRToken = FixedToken( "-R", "@PO" ) ;
+TOKEN PerlFileTestWToken = FixedToken( "-W", "@PO" ) ;
+TOKEN PerlFileTestXToken = FixedToken( "-X", "@PO" ) ;
+TOKEN PerlFileTestOToken = FixedToken( "-O", "@PO" ) ;
+TOKEN PerlFileTesteToken = FixedToken( "-e", "@PO" ) ;
+TOKEN PerlFileTestzToken = FixedToken( "-z", "@PO" ) ;
+TOKEN PerlFileTestsToken = FixedToken( "-s", "@PO" ) ;
+TOKEN PerlFileTestfToken = FixedToken( "-f", "@PO" ) ;
+TOKEN PerlFileTestdToken = FixedToken( "-d", "@PO" ) ;
+TOKEN PerlFileTestlToken = FixedToken( "-l", "@PO" ) ;
+TOKEN PerlFileTestpToken = FixedToken( "-p", "@PO" ) ;
+TOKEN PerlFileTestSToken = FixedToken( "-S", "@PO" ) ;
+TOKEN PerlFileTestbToken = FixedToken( "-b", "@PO" ) ;
+TOKEN PerlFileTestcToken = FixedToken( "-c", "@PO" ) ;
+TOKEN PerlFileTesttToken = FixedToken( "-t", "@PO" ) ;
+TOKEN PerlFileTestuToken = FixedToken( "-u", "@PO" ) ;
+TOKEN PerlFileTestgToken = FixedToken( "-g", "@PO" ) ;
+TOKEN PerlFileTestkToken = FixedToken( "-k", "@PO" ) ;
+TOKEN PerlFileTestTToken = FixedToken( "-T", "@PO" ) ;
+TOKEN PerlFileTestBToken = FixedToken( "-B", "@PO" ) ;
+TOKEN PerlFileTestMToken = FixedToken( "-M", "@PO" ) ;
+TOKEN PerlFileTestAToken = FixedToken( "-A", "@PO" ) ;
+TOKEN PerlFileTestCToken = FixedToken( "-C", "@PO" ) ;
+
+
+/*****************************************************************************/
+/* */
+/* Pod (Plain Old Documentation, used with Perl) tokens */
+/* */
+/* Pod is treated as a completely different language to Perl. It is */
+/* quite possible to use Pod alone without Perl; or, thanks to the */
+/* PerlPodToken, to embed Pod in Perl in the usual way. Quotations below */
+/* are from Larry Wall's documentation, communicated by Mark Summerfield. */
+/* */
+/*****************************************************************************/
+
+/*****************************************************************************/
+/* */
+/* Pod Verbatim paragraphs */
+/* */
+/* "A verbatim paragraph [is] distinguished by being indented (that is, it */
+/* starts with a space or tab). It should be reproduced exactly, with */
+/* tabs assumed to be on 8-column boundaries. There are no special */
+/* formatting escapes." */
+/* */
+/* By a "paragraph" is meant a sequence of lines down to the next empty */
+/* line; but we will handle verbatim paragraphs one line at a time. */
+/* It also seems that an empty line in the input has to become an empty */
+/* line in the output; so we include a token for that. */
+/* */
+/*****************************************************************************/
+
+TOKEN PodVerbatimLineToken = {
+ "verbatim-para", /* used by error messages involving this token */
+ PRINT_WHOLE_QUOTED, /* printing the whole paragraph quoted */
+ "@PV ", /* Lout command for formatting verbatim line */
+ "", /* no alternate command */
+ "", /* no following command */
+ TRUE, /* token allowed at start of line only */
+ { "\t", " " }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllPrintablePlusTab, /* inside, any printable char except newline is OK */
+ "", "", /* no escape character within verbatim lines */
+ "", "", /* no "inner escapes" within verbatim lines */
+ "", /* ends at end of line */
+ FALSE, /* don't need to be at start of line to end it */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PodEmptyLineToken = {
+ "pod-empty-line", /* used by error messages involving this token */
+ PRINT_COMMAND_ONLY, /* printing just the command */
+ "@PPG\n", /* Lout command for formatting Pod empty line */
+ "", /* no alternate command */
+ "", /* no following command */
+ TRUE, /* token allowed at start of line only */
+ { "\n" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ "", /* nothing inside */
+ "", "", /* no escape character */
+ "", "", /* no inner escape */
+ "", /* token will end with the end of the line */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Pod Command paragraphs */
+/* */
+/* "All command paragraphs start with =, followed by an identifier, */
+/* followed by arbitrary text that the command can use." */
+/* */
+/* "[A] command lasts up until the end of the paragraph, not the line. */
+/* Hence, ... you can see the empty lines after each command to end */
+/* its paragraph." */
+/* */
+/*****************************************************************************/
+
+/*****************************************************************************/
+/* */
+/* Pod command paragraphs: =pod */
+/* */
+/* "The =pod directive does nothing beyond telling the compiler to lay off */
+/* parsing code through the next =cut." */
+/* */
+/*****************************************************************************/
+
+TOKEN PodIgnoreToken = {
+ "pod-cut", /* used by error messages involving this token */
+ PRINT_COMMAND_ONLY, /* printing just the command */
+ "", /* Lout command for formatting Pod cut (nothing) */
+ "", /* no alternate command */
+ "", /* no following command */
+ TRUE, /* token allowed at start of line only */
+ { "=pod", "=cut" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* anything at all can be inside */
+ "", /* no escape character */
+ "", /* so nothing legal after escape char either */
+ "", /* cut tokens do not permit "inner escapes" */
+ "", /* and so there is no end innner escape either */
+ "\n", /* token will end with the end of the line */
+ TRUE, /* end delimiter (\n) has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Pod command paragraphs: =head1, =head2 (and =head3, folklore extension) */
+/* */
+/* "... produce first and second level heading" */
+/* */
+/*****************************************************************************/
+
+TOKEN PodHeading1Token = {
+ "=head1", /* used by error messages involving this token */
+ PRINT_NODELIMS_QUOTED, /* print without delimiters */
+ "@PHA", /* Lout command for formatting Pod heading */
+ "", /* no alternate command */
+ "", /* following command */
+ TRUE, /* token allowed at start of line only */
+ {"=head1","head1"}, /* command begins with this */
+ { " ", "\t" }, /* helps to skip following white space */
+ { "\n", "\n" }, /* token ends at end of line */
+ AllCharacters, /* anything in the heading */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "\n\n", /* token will end with the first blank line */
+ FALSE, /* end delimiter (\n) has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PodHeading2Token = {
+ "=head2", /* used by error messages involving this token */
+ PRINT_NODELIMS_QUOTED, /* print without delimiters */
+ "@PHB", /* Lout command for formatting Pod heading */
+ "", /* no alternate command */
+ "", /* following command */
+ TRUE, /* token allowed at start of line only */
+ { "=head2" }, /* command begins with this */
+ { " ", "\t" }, /* helps to skip following white space */
+ { "\n", "\n" }, /* token ends at end of line */
+ AllCharacters, /* anything in the heading */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "\n\n", /* token will end with the first blank line */
+ FALSE, /* end delimiter (\n) has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PodHeading3Token = {
+ "=head3", /* used by error messages involving this token */
+ PRINT_NODELIMS_QUOTED, /* print without delimiters */
+ "@PHC", /* Lout command for formatting Pod heading */
+ "", /* no alternate command */
+ "", /* following command */
+ TRUE, /* token allowed at start of line only */
+ { "=head3" }, /* command begins with this */
+ { " ", "\t" }, /* helps to skip following white space */
+ { "\n", "\n" }, /* token ends at end of line */
+ AllCharacters, /* anything in the heading */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "\n\n", /* token will end with the first blank line */
+ FALSE, /* end delimiter (\n) has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Pod command paragraphs: =over, =item, and =back (for lists) */
+/* */
+/*****************************************************************************/
+
+TOKEN PodOverToken = {
+ "=over", /* used by error messages involving this token */
+ PRINT_NODELIMS_UNQUOTED, /* just a number after =over, so this is safe */
+ "@RawTaggedList gap{@PLG}indent{@PLI}rightindent{@PLRI}labelwidth{@PLLW ",
+ "", /* no alternate command */
+ "} // {", /* open brace to match } at first item */
+ TRUE, /* token allowed at start of line only */
+ { "=over" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* inside, any printable char is OK */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "\n", /* token will end with the end of the line */
+ TRUE, /* end delimiter (\n) has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PodItemToken = {
+ "=item", /* used by error messages involving this token */
+ PRINT_NODELIMS_QUOTED,/* printing just what follows =item on the line */
+ "@Null //}\n@TI {@PLL", /* Lout command for formatting Pod item */
+ "", /* no alternate command */
+ "} {", /* open brace to enclose the item content */
+ TRUE, /* token allowed at start of line only */
+ { "=item" }, /* command begins with this */
+ { " ", "\t" }, /* helps to skip following white space */
+ { "\n\n", "\n\n" }, /* token will end at blank line */
+ AllPrintableTabNL, /* any printable inside */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "", /* see ends2[] */
+ FALSE, /* end delimiter (\n) must already be at start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PodBackToken = {
+ "=back", /* used by error messages involving this token */
+ PRINT_COMMAND_ONLY, /* printing just the command */
+ "@Null // }\n@EndList\n", /* Lout command for formatting Pod back */
+ "", /* no alternate command */
+ "", /* no following command */
+ TRUE, /* token allowed at start of line only */
+ { "=back" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* anything inside (in principle) */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "\n", /* token will end with the next blank line */
+ TRUE, /* end delimiter (\n) has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Pod command paragraphs: =for, =begin, =end */
+/* */
+/* "passed directly to particular formatters. A formatter that can utilize */
+/* that format will use the section, otherwise it will be ignored." */
+/* */
+/* So I've put in a "=begin lout" token, also recognized as "=begin Lout". */
+/* */
+/*****************************************************************************/
+
+TOKEN PodForToken = {
+ "=for", /* used by error messages involving this token */
+ PRINT_COMMAND_ONLY, /* printing just the command */
+ "", /* Lout command for formatting Pod for (nothing) */
+ "", "", /* no alternate command; no following command */
+ TRUE, /* token allowed at start of line only */
+ { "=for" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* anything inside */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "\n", /* token will end with the end of the line */
+ TRUE, /* end delimiter (\n) has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PodBeginToken = {
+ "=begin", /* used by error messages involving this token */
+ PRINT_COMMAND_ONLY, /* printing just the command */
+ "", /* Lout command for formatting Pod for (nothing) */
+ "", "", /* no alternate command; no following command */
+ TRUE, /* token allowed at start of line only */
+ { "=begin" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* anything inside */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "=end", /* token will end with =end character */
+ TRUE, /* end delimiter has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+TOKEN PodBeginLoutToken = {
+ "=begin lout", /* used by error messages involving this token */
+ PRINT_NODELIMS_UNQUOTED,/* this is a Lout escape, no delims or quotes */
+ "", /* Lout command for formatting Pod for (nothing) */
+ "", "", /* no alternate command; no following command */
+ TRUE, /* token allowed at start of line only */
+ { "=begin lout", "=begin Lout" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ AllCharacters, /* anything inside */
+ "", "", /* no escape character; nothing legal after escape */
+ "", "", /* no inner escapes; no end inner escape */
+ "=end", /* token will end with =end character */
+ TRUE, /* end delimiter has to be at a line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+
+/*****************************************************************************/
+/* */
+/* Pod "Ordinary Block of Text" paragraphs */
+/* */
+/* "It will be filled, and maybe even justified" - I'm setting the whole */
+/* Pod in adjust @Break, and making sure that verbatim and command */
+/* paragraphs don't get adjusted. So no special requirements here, it */
+/* should all happen without any explicit tokens, given that I've set */
+/* the Pod language up to simply echo any characters (suitably quoted if */
+/* necessary in Lout) that don't match anything else. */
+/* */
+/*****************************************************************************/
+
+/*****************************************************************************/
+/* */
+/* Pod interior sequences (recursive) */
+/* */
+/* I<text> Italicize text */
+/* B<text> Embolden text */
+/* S<text> Text containing non-break spaces */
+/* C<code> Code "render in typewriter font, or ..." */
+/* */
+/* Alternatively, instead of "<" .. ">" we may use "<< " .. " >>", or */
+/* "<<< " .. " >>>", etc. (Note the whitespace.) */
+/* */
+/*****************************************************************************/
+
+#define RecursiveToken(str, command) /* Pod recursive token */ \
+{ \
+ str, /* name used for debugging only */ \
+ PRINT_NODELIMS_INNER, /* recursively format the inside */ \
+ command, /* Lout command for formatting this */ \
+ "", "", /* no alternate command; no following */ \
+ FALSE, /* token not just start of line */ \
+ { str }, /* token begins with this */ \
+ { "<", "<< ", "<<< ", "<<<< " }, /* start2 */ \
+ { ">", " >>", " >>>", " >>>>" }, /* end2 */ \
+ AllCharacters, /* anything inside (in fact, not used)*/ \
+ "", "", /* no escape character */ \
+ "", "", /* no inner escape; no end inner esc */ \
+ "", /* will use end2 here */ \
+ FALSE, /* end not have to be at line start */ \
+ FALSE, /* don't end delimiter twice to stop */ \
}
-TOKEN HashToken = FixedToken("#", "@O");
-TOKEN ExclamationToken = FixedToken("!", "@O");
-TOKEN PercentToken = FixedToken("%", "@O");
-TOKEN HatToken = FixedToken("^", "@O");
-TOKEN AmpersandToken = FixedToken("&", "@O");
-TOKEN StarToken = FixedToken("*", "@ST");
-TOKEN SlashToken = FixedToken("/", "@O");
-TOKEN ArrowToken = FixedToken("->", "arrowright @A @O");
-TOKEN BackSlashToken = FixedToken("\\", "@O");
-TOKEN LeftParenToken = FixedToken("(", "@O");
-TOKEN RightParenToken = FixedToken(")", "@O");
-TOKEN MinusToken = FixedToken("-", "@M");
-TOKEN PlusToken = FixedToken("+", "plus @A @O");
-TOKEN EqualToken = FixedToken("=", "equal @A @O");
-TOKEN LeftBraceToken = FixedToken("{", "@O");
-TOKEN RightBraceToken = FixedToken("}", "@O");
-TOKEN BarToken = FixedToken("|", "@O");
-TOKEN CircumToken = FixedToken("~", "@O");
-TOKEN LeftBracketToken = FixedToken("[", "@O");
-TOKEN RightBracketToken = FixedToken("]", "@O");
-TOKEN SemicolonToken = FixedToken(";", "@O");
-TOKEN ColonToken = FixedToken(":", "@O");
-TOKEN LessToken = FixedToken("<", "less @A @O");
-TOKEN GreaterToken = FixedToken(">", "greater @A @O");
-TOKEN QuestionToken = FixedToken("?", "@O");
-TOKEN CommaToken = FixedToken(",", "@O");
-TOKEN DotToken = FixedToken(".", "@O");
-TOKEN EiffelDotToken = FixedToken(".", "@ED");
-TOKEN LessEqualToken = FixedToken("<=", "lessequal @A @O");
-TOKEN GreaterEqualToken = FixedToken(">=", "greaterequal @A @O");
-TOKEN CNotEqualToken = FixedToken("!=", "notequal @A @O");
-TOKEN EiffelNotEqualToken = FixedToken("/=", "notequal @A @O");
-TOKEN BlueNotEqualToken = FixedToken("<>", "notequal @A @O");
-TOKEN AssignToken = FixedToken(":=", "@O");
-TOKEN QuestionAssignToken = FixedToken("?=", "@O");
-TOKEN DollarToken = FixedToken("$", "@O");
-TOKEN ImpliesToken = FixedToken("=>", "implies @A @O");
+TOKEN PodItalicToken = RecursiveToken("I", "@PFI");
+TOKEN PodBoldToken = RecursiveToken("B", "@PFB");
+TOKEN PodNoBreakToken = RecursiveToken("S", "@OneCol");
+TOKEN PodCodeToken = RecursiveToken("C", "@PFC");
+
+/*****************************************************************************/
+/* */
+/* Pod interior sequences (non-recursive) */
+/* */
+/* L<name> A link; these have an internal format I've not looked at yet. */
+/* F<file> File name */
+/* X<index> Index */
+/* Z<> A zero-width space */
+/* */
+/* Alternatively, instead of "<" .. ">" we may use "<< " .. " >>", or */
+/* "<<< " .. " >>>", etc. (Note the whitespace.) */
+/* */
+/*****************************************************************************/
+
+#define InteriorToken(str, command, style) /* Pod delimited token */ \
+{ \
+ str, /* name used for debugging only */ \
+ style, /* print this token unquoted */ \
+ command, /* Lout command for formatting this */ \
+ "", "", /* no alternate command; no following */ \
+ FALSE, /* token not just start of line */ \
+ { str }, /* token begins with this */ \
+ { "<", "<< ", "<<< ", "<<<< " }, /* start2 */ \
+ { ">", " >>", " >>>", " >>>>" }, /* end2 */ \
+ AllCharacters, /* anything inside */ \
+ "", "", /* no escape character */ \
+ "", "", /* no inner escape; no end inner esc */ \
+ "", /* will use end2 here */ \
+ FALSE, /* end not have to be at line start */ \
+ FALSE, /* don't end delimiter twice to stop */ \
+}
+
+TOKEN PodFileToken = InteriorToken("F", "@PFF", PRINT_NODELIMS_QUOTED);
+TOKEN PodLinkToken = InteriorToken("L", "@PFL", PRINT_NODELIMS_QUOTED);
+TOKEN PodIndexToken = InteriorToken("X", "@PFX", PRINT_NODELIMS_QUOTED);
+TOKEN PodZeroToken = InteriorToken("Z", "", PRINT_COMMAND_ONLY);
+
+/*****************************************************************************/
+/* */
+/* Pod interior sequences (escape sequences) */
+/* */
+/* E<escape> A named character ("optional except in other interior */
+/* sequences and when preceded by a capital letter") */
+/* */
+/* E<lt> A literal < */
+/* E<gt> A literal > */
+/* E<sol> A literal / */
+/* E<verbar> A literal | */
+/* E<n> Character number n (probably in ASCII) */
+/* E<html> Some non-numeric HTML entity, such as E<Agrave> */
+/* */
+/* PodNumCharToken not tested. */
+/* */
+/*****************************************************************************/
+
+TOKEN PodNumCharToken = {
+ "E<>", /* used by error messages involving this token */
+ PRINT_NODELIMS_UNQUOTED,/* we're doing these manually, since they're funny*/
+ "\"\\", /* precede character number with \" */
+ "", /* no alternate command */
+ "\"", /* follow character number with " */
+ FALSE, /* token allowed at start of line only */
+ { "E<" }, /* command begins with this */
+ { NULL }, /* no start2 needed */
+ { NULL }, /* so no end2 either */
+ "0123456789", /* digits inside */
+ "", "", /* no escape character */
+ "", "", /* no "inner escapes" */
+ ">", /* token will end with > character */
+ FALSE, /* end delimiter does not have to be at line start */
+ FALSE, /* don't need to see end delimiter twice to stop */
+};
+
+#define PodEscapeToken(str, command) /* Pod delimited token */ \
+{ \
+ str, /* name used for debugging only */ \
+ PRINT_COMMAND_ONLY, /* print this token unquoted */ \
+ command, /* Lout command for formatting this */ \
+ "", /* no alternate command */ \
+ "", /* no following command */ \
+ FALSE, /* token not just start of line */ \
+ { str }, /* token begins with this */ \
+ { NULL }, /* start2 */ \
+ { NULL }, /* end2 */ \
+ "", /* nothing inside */ \
+ "", "", /* no escape character */ \
+ "", "", /* no inner escape either */ \
+ "", /* no ending delimiter except end2 */ \
+ FALSE, /* end not have to be at line start */ \
+ FALSE, /* don't end delimiter twice to stop */ \
+}
+
+TOKEN PodLessThanToken = PodEscapeToken("E<lt>", "<");
+TOKEN PodGreaterThanToken = PodEscapeToken("E<gt>", ">");
+TOKEN PodSlashToken = PodEscapeToken("E<sol>", "/");
+TOKEN PodVerbarToken = PodEscapeToken("E<verbar>", "|");
+
+
+/*****************************************************************************/
+/* */
+/* Mark Summerfield writes: */
+/* */
+/* The following table (and most of its comments) is copied from Gisle Aas */
+/* HTML::Entities.pm module with the plain text characters being replaced */
+/* by their Lout equivalents and the HTML entities with their pod */
+/* equivalents. */
+/* */
+/*****************************************************************************/
+
+/* Some normal chars that have special meaning in SGML context */
+TOKEN PE00 = PodEscapeToken("E<amp>", "&");
+/* already done above TOKEN PE01 = PodEscapeToken("E<gt>", ">"); */
+/* already done above TOKEN PE02 = PodEscapeToken("E<lt>", "<"); */
+TOKEN PE03 = PodEscapeToken("E<quot>", "\"\\\"\"");
+
+/* PUBLIC ISO 8879-1986//ENTITIES Added Latin 1//EN//HTML */
+TOKEN PE04 = PodEscapeToken("E<AElig>", "{@Char AE}");
+TOKEN PE05 = PodEscapeToken("E<Aacute>", "{@Char Aacute}");
+TOKEN PE06 = PodEscapeToken("E<Acirc>", "{@Char Acircumflex}");
+TOKEN PE07 = PodEscapeToken("E<Agrave>", "{@Char Agrave}");
+TOKEN PE08 = PodEscapeToken("E<Aring>", "{@Char Aring}");
+TOKEN PE09 = PodEscapeToken("E<Atilde>", "{@Char Atilde}");
+TOKEN PE10 = PodEscapeToken("E<Auml>", "{@Char Adieresis}");
+TOKEN PE11 = PodEscapeToken("E<Ccedil>", "{@Char Ccedilla}");
+TOKEN PE12 = PodEscapeToken("E<ETH>", "{@Char Eth}");
+TOKEN PE13 = PodEscapeToken("E<Eacute>", "{@Char Eacute}");
+TOKEN PE14 = PodEscapeToken("E<Ecirc>", "{@Char Ecircumflex}");
+TOKEN PE15 = PodEscapeToken("E<Egrave>", "{@Char Egrave}");
+TOKEN PE16 = PodEscapeToken("E<Euml>", "{@Char Edieresis}");
+TOKEN PE17 = PodEscapeToken("E<Iacute>", "{@Char Iacute}");
+TOKEN PE18 = PodEscapeToken("E<Icirc>", "{@Char Icircumflex}");
+TOKEN PE19 = PodEscapeToken("E<Igrave>", "{@Char Igrave}");
+TOKEN PE20 = PodEscapeToken("E<Iuml>", "{@Char Idieresis}");
+TOKEN PE21 = PodEscapeToken("E<Ntilde>", "{@Char Ntilde}");
+TOKEN PE22 = PodEscapeToken("E<Oacute>", "{@Char Oacute}");
+TOKEN PE23 = PodEscapeToken("E<Ocirc>", "{@Char Ocircumflex}");
+TOKEN PE24 = PodEscapeToken("E<Ograve>", "{@Char Ograve}");
+TOKEN PE25 = PodEscapeToken("E<Oslash>", "{@Char Oslash}");
+TOKEN PE26 = PodEscapeToken("E<Otilde>", "{@Char Otilde}");
+TOKEN PE27 = PodEscapeToken("E<Ouml>", "{@Char Odieresis}");
+TOKEN PE28 = PodEscapeToken("E<THORN>", "{@Char Thorn}");
+TOKEN PE29 = PodEscapeToken("E<Uacute>", "{@Char Uacute}");
+TOKEN PE30 = PodEscapeToken("E<Ucirc>", "{@Char Ucircumflex}");
+TOKEN PE31 = PodEscapeToken("E<Ugrave>", "{@Char Ugrave}");
+TOKEN PE32 = PodEscapeToken("E<Uuml>", "{@Char Udieresis}");
+TOKEN PE33 = PodEscapeToken("E<Yacute>", "{@Char Yacute}");
+TOKEN PE34 = PodEscapeToken("E<aacute>", "{@Char aacute}");
+TOKEN PE35 = PodEscapeToken("E<acirc>", "{@Char acircumflex}");
+TOKEN PE36 = PodEscapeToken("E<aelig>", "{@Char ae}");
+TOKEN PE37 = PodEscapeToken("E<agrave>", "{@Char agrave}");
+TOKEN PE38 = PodEscapeToken("E<aring>", "{@Char aring}");
+TOKEN PE39 = PodEscapeToken("E<atilde>", "{@Char atilde}");
+TOKEN PE40 = PodEscapeToken("E<auml>", "{@Char adieresis}");
+TOKEN PE41 = PodEscapeToken("E<ccedil>", "{@Char ccedilla}");
+TOKEN PE42 = PodEscapeToken("E<eacute>", "{@Char eacute}");
+TOKEN PE43 = PodEscapeToken("E<ecirc>", "{@Char ecircumflex}");
+TOKEN PE44 = PodEscapeToken("E<egrave>", "{@Char egrave}");
+TOKEN PE45 = PodEscapeToken("E<eth>", "{@Char eth}");
+TOKEN PE46 = PodEscapeToken("E<euml>", "{@Char edieresis}");
+TOKEN PE47 = PodEscapeToken("E<iacute>", "{@Char iacute}");
+TOKEN PE48 = PodEscapeToken("E<icirc>", "{@Char icircumflex}");
+TOKEN PE49 = PodEscapeToken("E<igrave>", "{@Char igrave}");
+TOKEN PE50 = PodEscapeToken("E<iuml>", "{@Char idieresis}");
+TOKEN PE51 = PodEscapeToken("E<ntilde>", "{@Char ntilde}");
+TOKEN PE52 = PodEscapeToken("E<oacute>", "{@Char oacute}");
+TOKEN PE53 = PodEscapeToken("E<ocirc>", "{@Char ocircumflex}");
+TOKEN PE54 = PodEscapeToken("E<ograve>", "{@Char ograve}");
+TOKEN PE55 = PodEscapeToken("E<oslash>", "{@Char oslash}");
+TOKEN PE56 = PodEscapeToken("E<otilde>", "{@Char otilde}");
+TOKEN PE57 = PodEscapeToken("E<ouml>", "{@Char odieresis}");
+TOKEN PE58 = PodEscapeToken("E<szlig>", "{@Char germandbls}");
+TOKEN PE59 = PodEscapeToken("E<thorn>", "{@Char thorn}");
+TOKEN PE60 = PodEscapeToken("E<uacute>", "{@Char uacute}");
+TOKEN PE61 = PodEscapeToken("E<ucirc>", "{@Char ucircumflex}");
+TOKEN PE62 = PodEscapeToken("E<ugrave>", "{@Char ugrave}");
+TOKEN PE63 = PodEscapeToken("E<uuml>", "{@Char udieresis}");
+TOKEN PE64 = PodEscapeToken("E<yacute>", "{@Char yacute}");
+TOKEN PE65 = PodEscapeToken("E<yuml>", "{@Char ydieresis}");
+
+/* Some extra Latin 1 chars that are listed in the HTML3.2 draft 1996/05/21 */
+TOKEN PE66 = PodEscapeToken("E<copy>", "{@CopyRight}");
+TOKEN PE67 = PodEscapeToken("E<reg>", "{@Register}");
+TOKEN PE68 = PodEscapeToken("E<nbsp>", "~");
+
+/* Additional ISO-8859/1 entities listed in rfc1866 (section 14) */
+TOKEN PE69 = PodEscapeToken("E<iexcl>", "{@Char exclamdown}");
+TOKEN PE70 = PodEscapeToken("E<cent>", "{@Char cent}");
+TOKEN PE71 = PodEscapeToken("E<pound>", "{@Sterling}");
+TOKEN PE72 = PodEscapeToken("E<curren>", "{@Char currency}");
+TOKEN PE73 = PodEscapeToken("E<yen>", "{@Yen}");
+TOKEN PE74 = PodEscapeToken("E<brvbar>", "{@Char bar}");
+TOKEN PE75 = PodEscapeToken("E<sect>", "{@SectSym}");
+TOKEN PE76 = PodEscapeToken("E<uml>", "{@Char dieresis}");
+TOKEN PE77 = PodEscapeToken("E<ordf>", "{@Char ordfeminine}");
+TOKEN PE78 = PodEscapeToken("E<laquo>", "{@Char guillemotleft}");
+TOKEN PE79 = PodEscapeToken("E<not>", "{@Char logicalnot}");
+TOKEN PE80 = PodEscapeToken("E<shy>", "{@Char hyphen}");
+TOKEN PE81 = PodEscapeToken("E<macr>", "{@Char macron}");
+TOKEN PE82 = PodEscapeToken("E<deg>", "{@Char degree}");
+TOKEN PE83 = PodEscapeToken("E<plusmn>", "{@Char plusminus}");
+TOKEN PE84 = PodEscapeToken("E<sup1>", "{@Char onesuperior}");
+TOKEN PE85 = PodEscapeToken("E<sup2>", "{@Char twosuperior}");
+TOKEN PE86 = PodEscapeToken("E<sup3>", "{@Char threesuperior}");
+TOKEN PE87 = PodEscapeToken("E<acute>", "{@Char acute}");
+TOKEN PE88 = PodEscapeToken("E<micro>", "{@Char mu}");
+TOKEN PE89 = PodEscapeToken("E<para>", "{@ParSym}");
+TOKEN PE90 = PodEscapeToken("E<middot>", "{@Char periodcentered}");
+TOKEN PE91 = PodEscapeToken("E<cedil>", "{@Char cedilla}");
+TOKEN PE92 = PodEscapeToken("E<ordm>", "{@Char ordmasculine}");
+TOKEN PE93 = PodEscapeToken("E<raquo>", "{@Char guillemotright}");
+TOKEN PE94 = PodEscapeToken("E<frac14>", "{@Char onequarter}");
+TOKEN PE95 = PodEscapeToken("E<frac12>", "{@Char onehalf}");
+TOKEN PE96 = PodEscapeToken("E<frac34>", "{@Char threequarters}");
+TOKEN PE97 = PodEscapeToken("E<iquest>", "{@Char questiondown}");
+TOKEN PE98 = PodEscapeToken("E<times>", "{@Multiply}");
+TOKEN PE99 = PodEscapeToken("E<divide>", "{@Divide}");
+
+
/*****************************************************************************/
/* */
/* LANGUAGE - put your language declarations in this section. */
/* */
+/* The field names and their meanings are: */
+/* */
+/* names Set of alternative names for this languages */
+/* setup_file The default Lout setup file (e.g. "cprint", "eiffel") */
+/* lang_sym The symbol for the language (e.g. "@CP", "@Eiffel") */
+/* no_match What to do if something fails to match (see below) */
+/* tokens Set of all tokens of this language */
+/* keywords Set of all keywords for this language */
+/* */
+/* Acceptable values for no_match are: */
+/* */
+/* NO_MATCH_ERROR Generate an error message and skip the character. */
+/* */
+/* NO_MATCH_PRINT Print the character in a way that is Lout-safe; that */
+/* is, mostly raw but in quotes for "/", "@" etc., and */
+/* handling tabs and newlines appropriately. */
+/* */
/*****************************************************************************/
+#define NO_MATCH_ERROR 1
+#define NO_MATCH_PRINT 2
+#define NO_LANGUAGE ((LANGUAGE *) NULL)
typedef struct lang_rec {
char *names[MAX_ARRAY_LENGTH];
- char *default_style;
+ char *setup_file;
+ char *lang_sym;
+ int no_match;
TOKEN *tokens[MAX_ARRAY_LENGTH];
char *keywords[MAX_ARRAY_LENGTH];
} LANGUAGE;
+
LANGUAGE CLanguage = {
{ "C", "c", "C++", "c++" },
- "fixed",
+ "cprint", "@CP",
+ NO_MATCH_ERROR,
{
&CStringToken, &CCharacterToken, &IdentifierToken, &NumberToken,
&CCommentToken, &CCommentEscapeToken,
@@ -395,19 +1975,26 @@ LANGUAGE CLanguage = {
},
{ "asm", "auto", "break", "case", "catch", "char", "class", "const",
- "continue", "default", "delete", "do", "double", "else", "enum",
- "extern", "float", "for", "friend", "goto", "if", "inline", "int",
- "long", "new", "operator", "private", "protected", "public", "register",
- "return", "short", "signed", "sizeof", "static", "struct", "switch",
- "template", "this", "throw", "try", "typedef", "union", "unsigned",
- "virtual", "void", "volatile", "while",
+ "continue", "default", "delete", "do", "double", "else", "enum", "extern",
+ "float", "for", "friend", "goto", "if", "inline", "int", "long", "new",
+ "operator", "private", "protected", "public", "register", "return",
+ "short", "signed", "sizeof", "static", "struct", "switch", "template",
+ "this", "throw", "try", "typedef", "union", "unsigned", "virtual",
+ "void", "volatile", "while",
}
};
+
+/*****************************************************************************/
+/* */
+/* Eiffel and Blue */
+/* */
+/*****************************************************************************/
LANGUAGE EiffelLanguage = {
{ "Eiffel", "eiffel" },
- "varying",
+ "eiffel", "@Eiffel",
+ NO_MATCH_ERROR,
{
&EiffelStringToken, &EiffelCharacterToken, &IdentifierToken, &NumberToken,
&EiffelCommentToken, &EiffelCommentEscapeToken,
@@ -418,22 +2005,21 @@ LANGUAGE EiffelLanguage = {
&MinusToken, &DollarToken, &HatToken, &SlashToken, &BackSlashToken,
&LessToken, &GreaterToken, &LessEqualToken, &GreaterEqualToken
},
-
{ "alias", "all", "and", "as", "check", "class", "creation", "debug",
- "deferred", "do", "else", "elseif", "end", "ensure", "expanded",
- "export", "external", "false", "feature", "from", "frozen", "if",
- "implies", "indexing", "infix", "inherit", "inspect", "invariant",
- "is", "like", "local", "loop", "obsolete", "old", "once", "or",
- "prefix", "redefine", "rename", "require", "rescue", "retry", "select",
- "separate", "strip", "then", "true", "undefine", "unique", "until",
- "variant", "when", "xor", "not", "interface"
+ "deferred", "do", "else", "elseif", "end", "ensure", "expanded", "export",
+ "external", "false", "feature", "from", "frozen", "if", "implies",
+ "indexing", "infix", "inherit", "inspect", "invariant", "is", "like",
+ "local", "loop", "obsolete", "old", "once", "or", "prefix", "redefine",
+ "rename", "require", "rescue", "retry", "select", "separate", "strip",
+ "then", "true", "undefine", "unique", "until", "variant", "when", "xor",
+ "not", "interface"
}
};
-
LANGUAGE BlueLanguage = {
{ "Blue", "blue" },
- "varying",
+ "blue", "@Blue",
+ NO_MATCH_ERROR,
{
&CStringToken, &IdentifierToken, &NumberToken,
&BlueCommentToken, &BlueCommentEscapeToken,
@@ -443,30 +2029,246 @@ LANGUAGE BlueLanguage = {
&EqualToken, &BlueNotEqualToken, &LeftBraceToken, &RightBraceToken,
&PlusToken, &MinusToken, &StarToken, &SlashToken, &HatToken,
&LessEqualToken, &GreaterEqualToken
+ },
+ { "and", "assert", "builtin", "case", "class", "const", "create", "creation",
+ "deferred", "div", "do", "else", "elseif", "end", "Enumeration",
+ "enumeration", "exit", "if", "in", "interface", "internal", "invariant",
+ "is", "loop", "manifest", "mod", "not", "of", "old", "on", "or", "post",
+ "pre", "redefined", "return", "routines", "super", "then", "uses", "var"
+ }
+};
+
+/*****************************************************************************/
+/* */
+/* Perl and Pod */
+/* */
+/*****************************************************************************/
+
+LANGUAGE PerlLanguage = {
+ { "Perl", "perl", },
+ "perl", "@Perl",
+ NO_MATCH_ERROR,
+ {
+ &PerlSingleQuoteStringToken, &PerlDoubleQuoteStringToken,
+ &PerlBackQuoteStringToken, &PerlQTypeStringToken, &PerlSTypeStringToken,
+ &PerlRegExpLPar, &PerlRegExpEq, &PerlRegExpMatch, &PerlRegExpNoMatch,
+ &PerlRegExpSplit, &PerlRegExpIf, &PerlRegExpNot, &PerlRegExpUnless,
+ &PerlRegExpFor, &PerlRegExpForEach, &PerlRegExpWhile,
+ &PerlRegExpStartLineToken,
+ &HereEOTuq, &HereEOTdq, &HereEOTfq, &HereEOTbq,
+ &HereEOFuq, &HereEOFdq, &HereEOFfq, &HereEOFbq,
+ &HereENDuq, &HereENDdq, &HereENDfq, &HereENDbq,
+ &HereBLAuq, &HereBLAdq, &HereBLAfq, &HereBLAbq,
+ &PerlIdentifierToken, &PerlSpecialIdentifierToken,
+ &PerlLiteralNumberToken, &PerlHexNumberToken,
+ &PerlCommentToken, &PerlCommentEscapeToken, &PerlPodToken,
+ &ExclamationToken, &PercentToken, &HatToken, &AmpersandToken,
+ &StarToken, &SlashToken, &ArrowToken, &BackSlashToken,
+ &LeftParenToken, &RightParenToken, &MinusToken, &PlusToken,
+ &LeftBraceToken, &RightBraceToken, &BarToken, &CircumToken,
+ &LeftBracketToken, &RightBracketToken, &SemicolonToken, &ColonToken,
+ &LessToken, &GreaterToken, &QuestionToken, &CommaToken, &DotToken,
+ &LessEqualToken, &GreaterEqualToken, &CNotEqualToken,
+ &PerlIncrementToken, &PerlDecrementToken, &PerlExponentiateToken,
+ &PerlMatchToken, &PerlNotMatchToken,
+ &PerlEqualToken, &PerlAssignToken, &PerlBitLeftShiftToken,
+ &PerlBitRightShiftToken, &PerlSpaceshipToken,
+ &PerlAndToken, &PerlOrToken, &PerlRange2Token, &PerlRange3Token,
+ &PerlFileTestrToken, &PerlFileTestwToken, &PerlFileTestxToken,
+ &PerlFileTestoToken, &PerlFileTestRToken, &PerlFileTestWToken,
+ &PerlFileTestXToken, &PerlFileTestOToken, &PerlFileTesteToken,
+ &PerlFileTestzToken, &PerlFileTestsToken, &PerlFileTestfToken,
+ &PerlFileTestdToken, &PerlFileTestlToken, &PerlFileTestpToken,
+ &PerlFileTestSToken, &PerlFileTestbToken, &PerlFileTestcToken,
+ &PerlFileTesttToken, &PerlFileTestuToken, &PerlFileTestgToken,
+ &PerlFileTestkToken, &PerlFileTestTToken, &PerlFileTestBToken,
+ &PerlFileTestMToken, &PerlFileTestAToken, &PerlFileTestCToken,
},
- { "and", "assert", "builtin", "case", "class", "const", "create",
- "creation", "deferred", "div", "do", "else", "elseif", "end",
- "Enumeration", "enumeration", "exit", "if", "in", "interface",
- "internal", "invariant", "is", "loop", "manifest", "mod", "not",
- "of", "old", "on", "or", "post", "pre", "redefined", "return",
- "routines", "super", "then", "uses", "var"
+ {
+ /* Built-ins taken from Programming Perl 2nd Ed. */
+ "abs", "accept", "alarm", "atan2",
+ "bind", "binmode", "bless",
+ "caller", "chdir", "chmod", "chomp", "chop", "chown", "chr", "chroot",
+ "close", "closedir", "connect", "continue", "cos", "crypt",
+ "dbmclose", "dbmopen", "defined", "delete", "die", "do", "dump",
+ "each", "endgrent", "endhostent", "endnetent", "endprotoent",
+ "endpwent", "endservent", "eof", "eval", "exec", "exists", "exit",
+ "exp",
+ "fcntl", "fileno", "flock", "fork", "format", "formline",
+ "getc", "getgrent", "getgrgid", "getgrnam", "gethostbyaddr",
+ "gethostbyname", "gethostent", "getlogin", "getnetbyaddr",
+ "getnetbyname", "getnetent", "getpeername", "getpgrp", "getppid",
+ "getpriority", "getprotobyname", "getprotobynumber", "getprotoent",
+ "getpwent", "getpwnam", "getpwuid", "getservbyname", "getservbyport",
+ "getservent", "getsockname", "getsockopt", "glob", "gmtime", "goto",
+ "grep",
+ "hex",
+ "import", "index", "int", "ioctl",
+ "join",
+ "keys", "kill",
+ "last", "lc", "lcfirst", "length", "link", "listen", "local",
+ "localtime", "log", "lstat",
+ "map", "mkdir", "msgctl", "msgget", "msgrcv", "msgsnd", "my",
+ "next", "no",
+ "oct", "open", "opendir", "ord",
+ "pack", "package", "pipe", "pop", "pos", "print", "printf", "push",
+ "quotemeta",
+ "rand", "read", "readdir", "readlink", "recv", "redo", "ref",
+ "rename", "require", "reset", "return", "reverse", "rewinddir",
+ "rindex", "rmdir",
+ "scalar", "seek", "seekdir", "select", "semctl", "semget", "semop",
+ "send", "setgrent", "sethostent", "setnetent", "setpgrp",
+ "setpriority", "setprotoent", "setpwent", "setservent",
+ "setsockopt", "shift", "shmctl", "shmget", "shmread", "shmwrite",
+ "shutdown", "sin", "sleep", "socket", "socketpair", "sort",
+ "splice", "split", "sprintf", "sqrt", "srand", "stat", "study",
+ "sub", "substr", "symlink", "syscall", "sysopen", "sysread", "sysseek",
+ "system", "syswrite",
+ "tell", "telldir", "tie", "tied", "time", "times", "truncate",
+ "uc", "ucfirst", "umask", "undef", "unlink", "unpack", "unshift",
+ "untie", "use", "utime",
+ "values", "vec",
+ "wait", "waitpid", "wantarray", "warn", "write",
+
+ /* from later versions of Perl (excluding experimental thread stuff) */
+ "our", "prototype", "readline", "readpipe",
+
+ /* operators */
+ "lt", "gt", "eq", "ne", "cmp", "le", "ge",
+
+ /* Perl special variables */
+ /* NB special variables that begin $^, e.g. $^D can also be written as */
+ /* dollar control D (yes literal control D) -- but suggest we ignore */
+ "$_", "$ARG",
+ "$.", "$INPUT_LINE_SEPARATOR", "$NR",
+ "$/", "$INPUT_RECORD_SEPARATOR", "$RS",
+ "$,", "$OUTPUT_FIELD_SEPARATOR", "$OFS",
+ "$\\", "$OUTPUT_RECORD_SEPARATOR", "$ORS",
+ "$\"", "$LIST_SEPARATOR",
+ "$;", "$SUBSCRIPT_SEPARATOR", "$SUBSEP",
+ "$^L", "$FORMAT_FORMFEED",
+ "$:", "$FORMAT_LINE_BREAK_CHARACTERS",
+ "$^A", "$ACCUMULATOR",
+ "$#", "$OFMT",
+ "$?", "$CHILD_ERROR",
+ "$!", "$OS_ERROR", "$ERRNO",
+ "$@", "$EVAL_ERROR",
+ "$$", "$PROCESS_ID", "$PID",
+ "$<", "$REAL_USER_ID", "$UID",
+ "$>", "$EFFECTIVE_USER_ID", "$EUID",
+ "$(", "$REAL_GROUP_ID", "$GID",
+ "$)", "$EFFECTIVE_GROUP_ID", "$EGID",
+ "$0", /* dollar zero */ "$PROGRAM_NAME",
+ "$[", /* deprecated */
+ "$]", "$PERL_VERSION",
+ "$^D", "$DEBUGGING",
+ "$^E", "$EXTENDED_OS_ERROR",
+ "$^F", "$SYSTEM_FD_MAX",
+ "$^H",
+ "$^I", "$INPLACE_EDIT",
+ "$^M",
+ "$^O", "$OSNAME",
+ "$^P", "$PERLDB",
+ "$^T", "$BASETIME",
+ "$^W", "$WARNING",
+ "$^X", "$EXECUTABLE_NAME",
+ "$ARGV",
+ "@ARGV", "@INC", "@F", "%INC", "%ENV", "%SIG",
+ "ARGV", "STDERR", "STDIN", "STDOUT", "DATA"
+ "$&", "$MATCH",
+ "$`", "$PREMATCH",
+ "$'", "$POSTMATCH",
+ "$+", "$LAST_PAREN_MATCH",
+ "$|", "$OUTPUT_AUTOFLUSH",
+ "$%", "$FORMAT_PAGE_NUMBER",
+ "$=", "$FORMAT_LINES_PER_PAGE",
+ "$-", "$FORMAT_LINES_LEFT",
+ "$~", "$FORMAT_NAME",
+ "$^", "$FORMAT_TOP_NAME",
+
+ /* Perl special constants */
+ "__END__", "__FILE__", "__LINE__", "__PACKAGE__",
+
+ /* Perl regex variables - first 9 only */
+ "$1", "$2", "$3", "$4", "$5", "$6", "$7", "$8", "$9",
+
+ /* Perl pragmas */
+ "attrs", "autouse", "base", "blib", "constant", "diagnostics", "fields",
+ "integer", "less", "lib", "locale", "ops", "overload", "re", "sigtrap",
+ "strict", "subs", "vars",
+
+ /* Perl textual operators */
+ "and", "or", "xor", "not",
+
+ /* the x keyword */
+ "x",
+
+ /* Perl control structures */
+ "if", "elsif", /* yes one e */ "else", "unless",
+ "while", "for", "foreach", "continue", "until",
}
};
+LANGUAGE PodLanguage = {
+ { "Pod", "pod", "POD" },
+ "pod", "@Pod",
+ NO_MATCH_PRINT,
+ {
+ &PodVerbatimLineToken, &PodEmptyLineToken, &PodIgnoreToken,
+ &PodHeading1Token, &PodHeading2Token,
+ &PodOverToken, &PodItemToken, &PodBackToken,
+ &PodForToken, &PodBeginToken, &PodBeginLoutToken,
+ &PodItalicToken, &PodBoldToken, &PodCodeToken, &PodFileToken,
+ &PodNoBreakToken, &PodLinkToken, &PodIndexToken, &PodZeroToken,
+ &PodLessThanToken, &PodGreaterThanToken, &PodSlashToken,
+ &PodVerbarToken,
+ &PE00, /* &PE01, &PE02, */ &PE03, &PE04, &PE05, &PE06, &PE07, &PE08, &PE09,
+ &PE10, &PE11, &PE12, &PE13, &PE14, &PE15, &PE16, &PE17, &PE18, &PE19,
+ &PE20, &PE21, &PE22, &PE23, &PE24, &PE25, &PE26, &PE27, &PE28, &PE29,
+ &PE30, &PE31, &PE32, &PE33, &PE34, &PE35, &PE36, &PE37, &PE38, &PE39,
+ &PE40, &PE41, &PE42, &PE43, &PE44, &PE45, &PE46, &PE47, &PE48, &PE49,
+ &PE50, &PE51, &PE52, &PE53, &PE54, &PE55, &PE56, &PE57, &PE58, &PE59,
+ &PE60, &PE61, &PE62, &PE63, &PE64, &PE65, &PE66, &PE67, &PE68, &PE69,
+ &PE70, &PE71, &PE72, &PE73, &PE74, &PE75, &PE76, &PE77, &PE78, &PE79,
+ &PE80, &PE81, &PE82, &PE83, &PE84, &PE85, &PE86, &PE87, &PE88, &PE89,
+ &PE90, &PE91, &PE92, &PE93, &PE94, &PE95, &PE96, &PE97, &PE98, &PE99,
+ &PodNumCharToken,
+ },
+
+ { NULL },
+};
+
+
+/*****************************************************************************/
+/* */
+/* The "languages" variable - add your language to this list */
+/* */
+/*****************************************************************************/
+
LANGUAGE *languages[] = {
& CLanguage,
& EiffelLanguage,
& BlueLanguage,
+ & PerlLanguage,
+ & PodLanguage,
};
+
+
+
+
+/*****************************************************************************/
+/*****************************************************************************/
+/*****************************************************************************/
+/*** ***/
+/*** If you are adding a new language, you don't need to change anything ***/
+/*** below this point. Just repeating: don't change anything below here. ***/
+/*** ***/
+/*****************************************************************************/
/*****************************************************************************/
-/* */
-/* If you are adding a new language, you don't need to change anything */
-/* below this point. Just repeating: don't change anything below here. */
-/* */
/*****************************************************************************/
@@ -483,18 +2285,9 @@ LANGUAGE *languages[] = {
#define DEBUG_EMIT 0
#define DEBUG_MAIN 0
-#define PRG2LOUT_VERSION "prg2lout Version 1.0 (February 2000)"
-#define BOOLEAN unsigned
-#define FALSE 0
-#define TRUE 1
+#define PRG2LOUT_VERSION "prg2lout Version 2.0 (April 2000)"
#define MAX_LINE 1024
-/* print styles */
-#define NO_STYLE 0
-#define FIXED_STYLE 1
-#define VARYING_STYLE 2
-#define SYMBOL_STYLE 3
-
static char file_name[MAX_LINE]; /* current input file name */
static char curr_line[MAX_LINE]; /* current input line */
static int line_num; /* current input line number */
@@ -502,12 +2295,13 @@ static int line_pos; /* current input column number */
static BOOLEAN raw_seen; /* TRUE if -r (raw mode) */
static BOOLEAN headers_option; /* TRUE if no -n option (headers) */
-static int style_option; /* value of -p option, or NO_STYLE */
+static char *style_option; /* value of -p option, else null */
static char *font_option; /* value of -f option, else null */
static char *size_option; /* value of -s option, else null */
static char *line_option; /* value of -v option, else null */
static char *tabin_option; /* value of -t option, else null */
static char *tabout_option; /* value of -T option, else null */
+static char *setup_option; /* value of -S option, else null */
static char *language_option; /* value of -l option, else null */
static BOOLEAN tab_by_spacing; /* TRUE if using space chars to tab */
@@ -515,9 +2309,22 @@ static int tab_in; /* tab interval, value of -t option */
static float tab_out; /* tab interval width (-T option) */
static char tab_unit; /* unit of measurement for tab */
+static FILE *in_fp; /* where input comes from */
+static FILE *out_fp; /* where output goes */
+static FILE *err_fp; /* where error messages go */
+
+
+/*****************************************************************************/
+/* */
+/* char *ErrorHeader() */
+/* */
+/* Returns a string showing the current file, line, and column. */
+/* */
+/*****************************************************************************/
+
char *ErrorHeader()
{ static char buff[MAX_LINE];
- if( line_num == 0 )
+ if( line_num == 0 || line_pos == 0 )
sprintf(buff, "prg2lout");
else if( raw_seen )
sprintf(buff, "prg2lout %d,%d", line_num, line_pos);
@@ -525,6 +2332,16 @@ char *ErrorHeader()
sprintf(buff, "prg2lout %s %d,%d", file_name, line_num, line_pos);
return buff;
}
+
+
+/*****************************************************************************/
+/* */
+/* GetArg(arg, message, null_ok) */
+/* */
+/* Get the next command line argument's value into arg. If there isn't */
+/* one, print an error message and quit unless null_ok is true. */
+/* */
+/*****************************************************************************/
#define GetArg(arg, message, null_ok) \
{ if( strcmp(argv[arg_pos]+2, "") != 0 ) \
@@ -556,9 +2373,84 @@ char *EchoToken(TOKEN *t)
sprintf(buff, "%s", t->name);
return buff;
}
+
+/*****************************************************************************/
+/* */
+/* NextChar() */
+/* */
+/* Move to next character in the input file. This may involve changing */
+/* global variables curr_line, line_num, and line_pos; the new character */
+/* may be found in curr_line[line_pos]. */
+/* */
+/* NextChar does not skip any characters at all. When end of file is */
+/* reached, curr_line[line_pos] contains '\0'. */
+/* */
+/* It is possible for code to read ahead of curr_line[line_pos] up to and */
+/* including the newline character at the end of the line after the line */
+/* we are currently on (thus it is possible to recognize an empty line as */
+/* \n\n), but not beyond, using curr_line[line_pos + i] for i > 0. */
+/* */
+/*****************************************************************************/
+void NextChar()
+{
+ if( curr_line[line_pos] != '\n' )
+ {
+ /* we can carry on with the current line. This will yield '\0' as */
+ /* desired if EOF arrives before the end of the line */
+ line_pos++;
+ }
+ else if( curr_line[line_pos+1] != '\0' )
+ {
+ /* we've already read in the next line; it's at &curr_line[line_pos+1] */
+ strcpy(&curr_line[1], &curr_line[line_pos+1]);
+ line_num++;
+ line_pos = 1;
+ }
+ else
+ {
+ /* we need to read in the new line */
+ line_num++;
+ line_pos = 1;
+ if( fgets(&curr_line[1], MAX_LINE+2, in_fp) == (char *) NULL )
+ curr_line[1] = '\0';
+ }
+ if( DEBUG_NEXTCHAR )
+ fprintf(stderr, "after NextChar, line_num %d, line_pos %d, curr_line %s",
+ line_num, line_pos, &curr_line[1]);
+} /* end NextChar */
+
+/*****************************************************************************/
+/* */
+/* BOOLEAN InputMatches(char *pattern) */
+/* */
+/* Returns TRUE if input starting at curr_line[line_pos] matches pattern. */
+/* To check this we may have to read an extra line or more of input. */
+/* */
+/*****************************************************************************/
+
+BOOLEAN InputMatches(char *pattern)
+{ char *p, *q;
+ for(p = &curr_line[line_pos], q = pattern; *q != '\0'; p++, q++ )
+ {
+ if( *p == '\0' )
+ {
+ /* attempt to read another line of input, since we are off the end */
+ if( fgets(p, MAX_LINE+2-(p - curr_line), in_fp) == (char *) NULL )
+ *p = '\0';
+ }
+ if( *p != *q )
+ break;
+ }
+ if( DEBUG_PREFIXEQ )
+ fprintf(stderr, "InputMatches(%s, %s) returning %s\n",
+ &curr_line[line_pos], pattern, *q == '\0' ? "TRUE" : "FALSE");
+ return (*q == '\0');
+} /* end InputMatches */
+
+
/*****************************************************************************/
/* */
/* TRIE */
@@ -573,6 +2465,7 @@ typedef struct trie_node {
struct trie_node *sub[MAX_CHAR];
TOKEN *value[MAX_CHAR];
} *TRIE;
+
/*****************************************************************************/
/* */
@@ -591,16 +2484,14 @@ BOOLEAN TrieInsert(TRIE *T, char *str, TOKEN *val)
if( *str == '\0' )
res = FALSE;
else
- {
- if( *T == (TRIE) NULL )
+ { if( *T == (TRIE) NULL )
*T = (TRIE) calloc(1, sizeof(struct trie_node)); /* will set all to 0 */
if( *(str + 1) != '\0' )
res = TrieInsert(&((*T)->sub[(int) *str]), str + 1, val);
else if( (*T)->value[(int) *str] != (TOKEN *) NULL )
res = FALSE;
else
- {
- (*T)->value[(int) *str] = val;
+ { (*T)->value[(int) *str] = val;
res = TRUE;
}
}
@@ -627,12 +2518,10 @@ TOKEN *TrieRetrieve(TRIE T, char *str, int *len)
res = (TOKEN *) NULL;
*len = 0;
for( i = 0; T != (TRIE) NULL; T = T->sub[(int) str[i]], i++ )
- {
- if( DEBUG_TRIE )
+ { if( DEBUG_TRIE )
fprintf(stderr, " i = %d, res = %s\n", i, EchoToken(res));
if( T->value[(int) str[i]] != (TOKEN *) NULL )
- {
- res = T->value[(int) str[i]];
+ { res = T->value[(int) str[i]];
*len = i+1;
}
}
@@ -641,8 +2530,8 @@ TOKEN *TrieRetrieve(TRIE T, char *str, int *len)
*len, EchoToken(res));
return res;
}
-
+
/*****************************************************************************/
/* */
/* HASH_TABLE */
@@ -653,7 +2542,7 @@ TOKEN *TrieRetrieve(TRIE T, char *str, int *len)
/* NB MAX_SYM must be somewhat larger than the number of keywords. */
/* */
/*****************************************************************************/
-#define MAX_SYM 309
+#define MAX_SYM 609
static char *HashTable[MAX_SYM]; /* will initialze to NULL */
static int HashTableCount = 0; /* number of entries */
@@ -667,10 +2556,10 @@ static int hash(char *key)
return res % MAX_SYM;
} /* end hash */
-void HashTableInsert(char *str, FILE *err_fp)
+void HashInsert(char *str)
{ int i;
if( DEBUG_SETUP )
- fprintf(stderr, "[ HashTableInsert(%s)\n", str);
+ fprintf(stderr, "[ HashInsert(%s)\n", str);
if( HashTableCount >= MAX_SYM - 20 )
{
fprintf(err_fp, "%s internal error: full hash table (increase MAX_SYM)\n",
@@ -681,40 +2570,54 @@ void HashTableInsert(char *str, FILE *err_fp)
HashTable[i] = str;
HashTableCount++;
if( DEBUG_SETUP )
- fprintf(stderr, "] HashTableInsert(%s)\n", str);
+ fprintf(stderr, "] HashInsert(%s)\n", str);
}
-BOOLEAN HashTableRetrieve(char *str)
+BOOLEAN HashRetrieve(char *str)
{ int i;
for( i = hash(str); HashTable[i] != (char *) NULL; i = (i+1) % MAX_SYM )
if( strcmp(HashTable[i], str) == 0 )
return TRUE;
return FALSE;
}
-
+
/*****************************************************************************/
/* */
/* BACK END */
/* */
-/* This is the code that actually prints the output file. It accumulates */
-/* each token and only prints it at the end of the token, so that it can */
-/* check whether an alternative command ought to be printed (keywords). */
+/* This is the code that actually prints the output file. */
+/* To emit one token, the call sequence should be as follows: */
+/* */
+/* StartEmit(LANGUAGE *lang, TOKEN *current_token, char *start_delim, l) */
+/* Emit(TOKEN *current_token, char ch) */
+/* ... */
+/* Emit(TOKEN *current_token, char ch) */
+/* EndEmit(TOKEN *current_token, char *end_delim) */
+/* */
+/* The back end will then take care of all print styles automatically, */
+/* including checking for keywords. When emitting white space each space */
+/* can be sent directly: */
+/* */
+/* EmitRaw(ch) */
/* */
/*****************************************************************************/
-static char save_token[MAX_LINE]; /* the token text */
-static int save_len; /* index of \0 in save_token */
+static char save_value[MAX_LINE]; /* the token text */
+static int save_len; /* index of \0 in save_value */
static BOOLEAN save_on = FALSE; /* TRUE when saving */
+static LANGUAGE *save_language; /* the current language */
+
/*****************************************************************************/
/* */
-/* EmitRaw(ch, out_fp, FILE *err_fp) */
+/* EmitRaw(ch) */
/* */
/* Emit this character immediately. This is only legal when not saving. */
-/* All characters printed on the output file should pass through here, */
-/* since EmitRaw keeps track of where we are on the output line, in order */
-/* to handle tab characters correctly. */
+/* All characters printed on the output file that represent actual text */
+/* of the program (i.e. not commands, {}, "", \ in strings etc.) should */
+/* pass through here, since EmitRaw keeps track of where we are on */
+/* the output line, in order to handle tab characters correctly. */
/* */
/* NB out_linepos is the column where the *next* character will go, and */
/* it counts the first column on the line as column zero. It understands */
@@ -723,277 +2626,546 @@ static BOOLEAN save_on = FALSE; /* TRUE when saving */
/* */
/*****************************************************************************/
-void EmitRaw(char ch, FILE *out_fp, FILE *err_fp)
-{
- static int out_linepos = 0; /* output line position */
+void EmitRaw(char ch)
+{ static int out_linepos = 0; /* output line position */
static BOOLEAN out_linestart = TRUE; /* TRUE if out line start */
if( DEBUG_EMIT )
fprintf(stderr, "EmitRaw(%c); out_linepos %d, out_linestart %s\n",
ch, out_linepos, out_linestart ? "TRUE" : "FALSE");
if( save_on )
- {
- fprintf(err_fp, "%s internal error (EmitRaw save_on)\n", ErrorHeader());
+ { fprintf(err_fp, "%s internal error (EmitRaw save_on)\n", ErrorHeader());
abort();
}
if( ch == '\t' )
- {
- if( tab_by_spacing )
+ { if( tab_by_spacing )
{ putc(' ', out_fp);
out_linepos++;
while( out_linepos % tab_in != 0 )
{ putc(' ', out_fp);
- out_linepos++;
+ out_linepos++;
}
}
else
- {
- out_linepos++;
- while( out_linepos % tab_in != 0 )
- { out_linepos++;
- }
+ { out_linepos++;
+ while( out_linepos % tab_in != 0 ) out_linepos++;
if( out_linestart )
- { fprintf(out_fp, "$>%.1f%c {}", tab_out, tab_unit);
+ { fprintf(out_fp, "$>\"%.1f%c\" {}", tab_out, tab_unit);
/* NB {} is required in case nothing follows on this line */
}
else
- { fprintf(out_fp, "$>%.1f%ct {}", (out_linepos/tab_in)*tab_out, tab_unit);
- }
+ fprintf(out_fp, "$>\"%.1f%ct\" {}", (out_linepos/tab_in)*tab_out, tab_unit);
}
}
else if( ch == '\n' )
- {
- fputc(ch, out_fp);
+ { fputc(ch, out_fp);
out_linepos = 0;
out_linestart = TRUE;
}
else
- {
- fputc(ch, out_fp);
+ { fputc(ch, out_fp);
out_linepos++;
- if( ch != ' ' )
- out_linestart = FALSE;
+ if( ch != ' ' ) out_linestart = FALSE;
}
if( DEBUG_EMIT )
fprintf(stderr, "EmitRaw(%c) returning; out_linepos %d, out_linestart %s\n",
ch, out_linepos, out_linestart ? "TRUE" : "FALSE");
} /* end EmitRaw */
-
+
/*****************************************************************************/
/* */
-/* StartEmit(FILE *err_fp) */
+/* StartEmit(LANGUAGE *lang, TOKEN *current_token, char *start_delim, len) */
+/* */
+/* Start the emission of a token. If it is a PRINT_WHOLE_QUOTED, it has */
+/* to be saved since it might be a keyword. */
/* */
-/* Start the emission of a token. */
+/* The token began with the starting delimiter start_delim[0..len-1]. */
/* */
/*****************************************************************************/
-void StartEmit(FILE *err_fp)
-{
+void StartEmit(LANGUAGE *lang, TOKEN *current_token, char *start_delim, int len)
+{ int i;
if( save_on )
{
fprintf(err_fp, "%s internal error (StartEmit)\n", ErrorHeader());
abort();
}
- save_on = TRUE;
- save_len = 0;
-}
+ save_language = lang;
+ switch( current_token->print_style )
+ {
+ case PRINT_WHOLE_QUOTED:
+
+ /* start_delim is to be printed, but must be saved up */
+ save_on = TRUE;
+ for( i = 0; i < len; i++ )
+ save_value[i] = start_delim[i];
+ save_len = len;
+ save_value[save_len] = '\0';
+ break;
+
+
+ case PRINT_NODELIMS_QUOTED:
+
+ /* easiest to save this, treat like PRINT_WHOLE_QUOTED, but no delims */
+ save_on = TRUE;
+ save_len = 0;
+ save_value[save_len] = '\0';
+ break;
+
+ case PRINT_WHOLE_UNQUOTED:
+
+ /* print command */
+ if( current_token->command[0] != '\0' )
+ fprintf(out_fp, "%s{", current_token->command); /*}*/
+
+ /* print opening delimiter, verbatim */
+ for( i = 0; i < len; i++ )
+ putc(start_delim[i], out_fp);
+ break;
+
+
+ case PRINT_NODELIMS_UNQUOTED:
+
+ /* command is printed but not delimiter */
+ if( current_token->command[0] != '\0' )
+ fprintf(out_fp, "%s{", current_token->command); /*}*/
+ break;
+
+
+ case PRINT_NODELIMS_INNER:
+
+ /* command is printed but not delimiter; always print opening brace */
+ fprintf(out_fp, "%s{", current_token->command); /*}*/
+ break;
+
+
+ case PRINT_COMMAND_ONLY:
+
+ /* command is printed but nothing else */
+ fprintf(out_fp, "%s", current_token->command);
+ break;
+
+
+ default:
+
+ fprintf(err_fp, "%s internal error (print_style)\n", ErrorHeader());
+ abort();
+ break;
+ }
+} /* end StartEmit */
+
/*****************************************************************************/
/* */
-/* EndEmit(LANGUAGE *lang, TOKEN *current_token, FILE *out_fp, *err_fp) */
+/* EndEmit(TOKEN *current_token, char *end_delim) */
/* */
-/* End emitting a token of this type on file out_fp. */
+/* End emitting the current token. Its ending delimiter was end_delim. */
/* */
/*****************************************************************************/
+#define is_whitespace(ch) ((ch)==' ' || (ch)=='\t' || (ch)=='\n' || (ch)=='\f')
-void EndEmit(LANGUAGE *lang, TOKEN *current_token, FILE *out_fp, FILE *err_fp)
-{ BOOLEAN altern; int i;
- if( !save_on )
+void EndEmit(TOKEN *current_token, char *end_delim)
+{ char *com; int i; BOOLEAN quoted_now = FALSE;
+ switch( current_token->print_style )
{
- fprintf(err_fp, "%s internal error (EndEmit)\n", ErrorHeader());
- abort();
- }
- save_on = FALSE;
- if( save_len == 0 )
- {
- /* nothing in token, must be resumed after a newline or tab */
- /* so emit nothing in this case */
- }
- else if( current_token->command == (char *) NULL )
- {
- /* no command, which means to emit this token without its delimiters */
- for( i = 0; i < save_len; i++ )
- EmitRaw(save_token[i], out_fp, err_fp);
- }
- else
- {
- /* if there is an alternate command in this language, check whether the */
- /* completed token is a keyword, and if so apply the alternate command. */
- altern = (lang != (LANGUAGE *) NULL
- && current_token->alternate_command[0] != '\0'
- && HashTableRetrieve(save_token));
-
- putc('{', out_fp);
- fputs(altern ? current_token->alternate_command : current_token->command,
- out_fp);
- putc('"', out_fp);
- for( i = 0; i < save_len; i++ )
- {
- if( save_token[i] == '"' || save_token[i] == '\\' )
- putc('\\', out_fp);
- EmitRaw(save_token[i], out_fp, err_fp);
- }
- putc('"', out_fp);
- putc('}', out_fp);
+ case PRINT_WHOLE_QUOTED:
+
+ strcpy(&save_value[save_len], end_delim);
+ save_len += strlen(end_delim);
+ /* NB NO BREAK */
+
+
+ case PRINT_NODELIMS_QUOTED:
+
+ /* work out whether we are printing the command or its alternative */
+ com = (current_token->alternate_command[0]!='\0' && HashRetrieve(save_value)?
+ current_token->alternate_command : current_token->command);
+
+ /* print command, opening brace */
+ if( com[0] != '\0' ) fprintf(out_fp, "%s{", com); /* } */
+
+ /* omit trailing white space (will not be significant to Lout anyway) */
+ /* *** not doing this now
+ while( save_len>0 && is_whitespace(save_value[save_len-1]) ) save_len--;
+ *** */
+
+ /* print the token with appropriate escapes */
+ save_on = FALSE;
+ for( i = 0; i < save_len; i++ ) switch( save_value[i] )
+ {
+ case '/':
+ case '|':
+ case '&':
+ case '#':
+ case '{':
+ case '}':
+ case '^':
+ case '~':
+ case '-':
+
+ if( !quoted_now ) { putc('"', out_fp); quoted_now = TRUE; }
+ EmitRaw(save_value[i]);
+ break;
+
+
+ case '"':
+ case '\\':
+
+ if( !quoted_now ) { putc('"', out_fp); quoted_now = TRUE; }
+ putc('\\', out_fp);
+ EmitRaw(save_value[i]);
+ break;
+
+
+ case ' ':
+ case '\t':
+ case '\n':
+ case '\f':
+
+ if( i == 0 )
+ { /* make initial white space significant using "" */
+ putc('"', out_fp);
+ quoted_now = TRUE;
+ }
+ if( quoted_now ) { putc('"', out_fp); quoted_now = FALSE; }
+ EmitRaw(save_value[i]);
+ break;
+
+
+ default:
+
+ /* anything else can be quoted or unquoted ad. lib. */
+ EmitRaw(save_value[i]);
+ break;
+ }
+ /* print closing quote and closing brace if needed */
+ if( quoted_now ) putc('"', out_fp);
+ else if( save_len > 0 && is_whitespace(save_value[save_len-1]) )
+ fputs("\"\"", out_fp); /* makes trailing white space significant */
+ if( com[0] != '\0' ) /*{*/ putc('}', out_fp);
+ break;
+
+
+ case PRINT_WHOLE_UNQUOTED:
+
+ /* print end delimiter, verbatim */
+ fputs(end_delim, out_fp);
+ /* NB NO BREAK */
+
+
+ case PRINT_NODELIMS_UNQUOTED:
+
+ /* print closing brace if required*/
+ if( current_token->command[0] != '\0' ) /*{*/ putc('}', out_fp);
+ break;
+
+
+ case PRINT_NODELIMS_INNER:
+
+ /* always print closing brace */
+ /*{*/ putc('}', out_fp);
+ break;
+
+
+ case PRINT_COMMAND_ONLY:
+
+ break;
+
+
+ default:
+
+ fprintf(err_fp, "%s internal error (print_style)\n", ErrorHeader());
+ abort();
+ break;
}
-} /* end EndEmit */
+ /* print following command if any */
+ if( current_token->following_command != NULL )
+ fprintf(out_fp, "%s", current_token->following_command);
+} /* end EndEmit */
+
/*****************************************************************************/
/* */
-/* Emit(char ch, TOKEN *current_token, FILE *out_fp, FILE *err_fp) */
+/* Emit(TOKEN *current_token, char ch) */
/* */
-/* Emit one character. */
+/* Emit one character of the current token. */
/* */
/*****************************************************************************/
-void Emit(char ch, TOKEN *current_token, FILE *out_fp, FILE *err_fp)
+void Emit(TOKEN *current_token, char ch)
{
- if( !save_on )
+ switch( current_token->print_style )
{
- fprintf(err_fp, "%s internal error (EmitChar)\n", ErrorHeader());
- abort();
+ case PRINT_WHOLE_QUOTED:
+ case PRINT_NODELIMS_QUOTED:
+
+ if( !save_on )
+ { fprintf(err_fp, "%s internal error (EmitChar)\n", ErrorHeader());
+ abort();
+ }
+ save_value[save_len++] = ch;
+ save_value[save_len] = '\0';
+ break;
+
+
+ case PRINT_WHOLE_UNQUOTED:
+ case PRINT_NODELIMS_UNQUOTED:
+
+ /* verbatim output */
+ putc(ch, out_fp);
+ break;
+
+
+ case PRINT_NODELIMS_INNER:
+
+ fprintf(err_fp, "%s internal error (emitting INNER)\n", ErrorHeader());
+ abort();
+ break;
+
+
+ case PRINT_COMMAND_ONLY:
+
+ /* emit nothing since printing the command only */
+ break;
+
+
+ default:
+
+ fprintf(err_fp, "%s internal error (print_style)\n", ErrorHeader());
+ abort();
+ break;
+
}
- if( ch == '\n' || ch == '\t' )
+} /* end Emit */
+
+
+/*****************************************************************************/
+/* */
+/* EmitProtected(char ch) */
+/* */
+/* Emit one character of the current token. If the character is a special */
+/* one in Lout, protect it with quotes. */
+/* */
+/*****************************************************************************/
+
+void EmitProtected(char ch)
+{
+ switch( ch )
{
- EndEmit((LANGUAGE *) NULL, current_token, out_fp, err_fp);
- EmitRaw(ch, out_fp, err_fp);
- StartEmit(err_fp);
+ case '/':
+ case '|':
+ case '&':
+ case '#':
+ case '{':
+ case '}':
+ case '^':
+ case '~':
+ case '-':
+
+ putc('"', out_fp);
+ EmitRaw(ch);
+ putc('"', out_fp);
+ break;
+
+
+ case '"':
+ case '\\':
+
+ putc('"', out_fp);
+ putc('\\', out_fp);
+ EmitRaw(ch);
+ putc('"', out_fp);
+ break;
+
+
+ default:
+
+ EmitRaw(ch);
+ break;
}
- else
+} /* end EmitProtected */
+
+
+/*****************************************************************************/
+/* */
+/* TOKEN *ExpandToken(TOKEN *t, int starts_pos) */
+/* */
+/* Create a new token corresponding to t but using starts2[starts_pos] and */
+/* ends2[starts_pos] only. */
+/* */
+/*****************************************************************************/
+
+char *clone2strings(char *s1, char *s2)
+{ char *res;
+ res = (char *) malloc( (strlen(s1) + strlen(s2) + 1) * sizeof(char));
+ sprintf(res, "%s%s", s1, s2);
+ if( DEBUG_SETUP )
+ fprintf(stderr, "clone2strings(%s, %s) = %s\n", s1, s2, res);
+ return res;
+} /* end clone2strings */
+
+TOKEN *ExpandToken(TOKEN *t, int starts_pos)
+{ TOKEN *res; int i;
+ if( DEBUG_SETUP )
+ fprintf(stderr, "ExpandToken(%s, starts[0] = %s)\n", t->name, t->starts[0]);
+ res = (TOKEN *) calloc(1, sizeof(struct token_rec));
+ res->name = t->name;
+ res->print_style = t->print_style;
+ res->command = t->command;
+ res->alternate_command = t->alternate_command;
+ res->following_command = t->following_command;
+ res->start_line_only = t->start_line_only;
+ for( i = 0; t->starts[i] != NULL; i++ )
{
- save_token[save_len++] = ch;
- save_token[save_len] = '\0';
+ /* the starts of res are the start of t with starts2[starts_pos] added */
+ res->starts[i] = clone2strings(t->starts[i], t->starts2[starts_pos]);
}
-} /* end Emit */
-
+ res->legal = t->legal;
+ res->escape = t->escape;
+ res->escape_legal = t->escape_legal;
+ res->inner_escape = t->inner_escape;
+ res->end_inner_escape = t->end_inner_escape;
+ res->end_delimiter = t->ends2[starts_pos];
+ res->end_start_line_only = t->end_start_line_only;
+ res->want_two_ends = t->want_two_ends;
+ if( DEBUG_SETUP )
+ fprintf(stderr, "ExpandToken returning res = %s, starts[0] = %s)\n",
+ res->name, res->starts[0]);
+ return res;
+} /* end ExpandToken */
+
/*****************************************************************************/
/* */
-/* SetupTokens(LANGUAGE *lang) */
+/* void SetupOneToken(TOKEN *t) */
/* */
-/* Set up the runtime token structures. This involves initializing the */
-/* chtype and escape_chtype fields for each token type in the chosen */
-/* language, and loading the trie with all the opening delimiters of all */
-/* the tokens. */
+/* Set up one token. This involves initializing the chtype and */
+/* escape_chtype fields for the token, and loading the trie with all */
+/* the opening delimiters of the token. */
/* */
/*****************************************************************************/
#define LEGAL 1
#define ESCAPE 2
#define INNER_ESCAPE 3
+TRIE Trie = (TRIE) NULL; /* these tokens allowed anywhere */
+TRIE StartLineTrie = (TRIE) NULL; /* these allowed at line start only */
-TRIE Trie = (TRIE) NULL;
-
-void SetupTokens(LANGUAGE *lang, FILE *err_fp)
-{ TOKEN *t; int i, j;
+void SetupOneToken(TOKEN *t)
+{ int j;
if( DEBUG_SETUP )
- fprintf(stderr, "SetupTokens(%s)\n", lang->names[0]);
+ fprintf(stderr, "SetupOneToken starting %s\n", t->starts[0]);
- /* set up each token in the language */
- for( i = 0; lang->tokens[i] != (TOKEN *) NULL; i++ )
+ /* check that any PRINT_NODELIMS_INNER styles have an end delimiter */
+ if( t->print_style == PRINT_NODELIMS_INNER )
{
- t = lang->tokens[i];
- if( DEBUG_SETUP )
- fprintf(stderr, "SetupTokens token starting %s\n", t->starts[0]);
+ if( t->end_delimiter == NULL || t->end_delimiter[0] == '\0' )
+ {
+ fprintf(err_fp, "%s: token %s is INNER but has no end delimiter\n",
+ t->name, ErrorHeader());
+ }
+ }
- /* set up the chtype table for this token */
+ /* set up the chtype table for this token */
+ if( t->legal == NULL )
+ { /* all characters are legal */
+ for( j = 0; j < MAX_CHAR; j++ )
+ t->chtype[j] = LEGAL;
+ }
+ else
+ { /* the characters in t->legal are legal */
for( j = 0; t->legal[j] != '\0'; j++ )
t->chtype[(int) t->legal[j]] = LEGAL;
- if( t->escape[0] != '\0' )
- t->chtype[(int) t->escape[0]] = ESCAPE;
- if( t->inner_escape[0] != '\0' )
- t->chtype[(int) t->inner_escape[0]] = INNER_ESCAPE;
-
- /* set up the escape_chtype table for this token */
+ }
+ if( t->escape[0] != '\0' )
+ t->chtype[(int) t->escape[0]] = ESCAPE;
+ if( t->inner_escape[0] != '\0' )
+ t->chtype[(int) t->inner_escape[0]] = INNER_ESCAPE;
+
+ /* set up the escape_chtype table for this token */
+ if( t->escape_legal == NULL )
+ { /* all characters are legal after an escape character */
+ for( j = 0; j < MAX_CHAR; j++ )
+ t->escape_chtype[j] = LEGAL;
+ }
+ else
+ { /* the characters in t->escape_legal are legal after an escape character */
for( j = 0; t->escape_legal[j] != '\0'; j++ )
t->escape_chtype[(int) t->escape_legal[j]] = LEGAL;
+ }
- /* load the opening delimiters of this token into the trie */
- for( j = 0; t->starts[j] != (char *) NULL; j++ )
- {
- if( !TrieInsert(&Trie, t->starts[j], t) )
- {
- if( *(t->starts[j]) == '\0' )
- fprintf(err_fp, "%s: empty starting delimiter\n", ErrorHeader());
- else
- fprintf(err_fp, "%s: starting delimiter %s appears twice\n",
- ErrorHeader(), t->starts[j]);
- }
+ /* load the opening delimiters of this token into the trie */
+ for( j = 0; t->starts[j] != (char *) NULL; j++ )
+ {
+ if( !TrieInsert(t->start_line_only ? &StartLineTrie:&Trie,t->starts[j],t) )
+ { if( *(t->starts[j]) == '\0' )
+ fprintf(err_fp, "%s: empty starting delimiter\n", ErrorHeader());
+ else
+ fprintf(err_fp, "%s: starting delimiter %s appears twice\n",
+ ErrorHeader(), t->starts[j]);
}
-
- if( DEBUG_SETUP )
- fprintf(stderr, "SetupTokens token ending %s\n", t->starts[0]);
}
- /* load the keyword hash table */
- for( j = 0; lang->keywords[j] != (char *) NULL; j++ )
- HashTableInsert(lang->keywords[j], err_fp);
-
if( DEBUG_SETUP )
- fprintf(stderr, "SetupTokens(%s) returning.\n", lang->names[0]);
-} /* end SetupTokens */
-
+ fprintf(stderr, "SetupOneToken ending %s\n", t->starts[0]);
+} /* end SetupOneToken */
-/*****************************************************************************/
-/* */
-/* BOOLEAN PrefixEq(char *str, char *prefix) */
-/* */
-/* Returns TRUE if str (unterminated) begins with prefix (terminated). */
-/* */
-/*****************************************************************************/
-
-BOOLEAN PrefixEq(char *str, char *prefix)
-{ char *p, *q;
- for( p = str, q = prefix; *q != '\0' && *p == *q; p++, q++ );
- if( DEBUG_PREFIXEQ )
- fprintf(stderr, "PrefixEq(%s, %s) returning %s\n",
- str, prefix, *q == '\0' ? "TRUE" : "FALSE");
- return (*q == '\0');
-} /* end PrefixEq */
-
/*****************************************************************************/
/* */
-/* NextChar(FILE *in_fp) */
+/* SetupLanguage(LANGUAGE *lang) */
/* */
-/* Move to next character in the input file. This may involve changing */
-/* global variables curr_line, line_num, and line_pos; the new character */
-/* may be found in curr_line[line_pos]. */
+/* Set up the runtime token structures. This involves setting up each */
+/* token (see above), and also loading the hash table with the keywords. */
/* */
-/* NextChar does not skip any characters at all. When end of file is */
-/* reached, curr_line[line_pos] contains '\0'. */
+/* If a token has non-empty start2 and end2 pairs, it is expanded into */
+/* a set of tokens, one for each pair, with the start delimiter set to */
+/* the concatenation of the start delimiters and starts2, and end */
+/* delimiter set to the corresponding end2. */
/* */
/*****************************************************************************/
-void NextChar(FILE *in_fp)
-{
- if( curr_line[line_pos] == '\n' )
+void SetupLanguage(LANGUAGE *lang)
+{ int i, j; TOKEN *t;
+ if( DEBUG_SETUP )
+ fprintf(stderr, "SetupLanguage(%s)\n", lang->names[0]);
+
+ /* set up each token in the language */
+ for( i = 0; lang->tokens[i] != (TOKEN *) NULL; i++ )
{
- /* need a new line */
- line_num++;
- line_pos = 1;
- if( fgets(&curr_line[1], MAX_LINE+2, in_fp) == (char *) NULL )
- curr_line[1] = '\0';
+ if( DEBUG_SETUP )
+ fprintf(stderr, " (1) setting up token %s (starts[0] = %s)\n",
+ lang->tokens[i]->name, lang->tokens[i]->starts[0]);
+ if( lang->tokens[i]->starts2[0] != NULL )
+ {
+ /* starts2, so set up one token for each entry in starts[2] */
+ for( j = 0; lang->tokens[i]->starts2[j] != NULL; j++ )
+ {
+ t = ExpandToken(lang->tokens[i], j);
+ if( DEBUG_SETUP )
+ fprintf(stderr, " (2) setting up token %s (starts[0] = %s)\n",
+ t->name, t->starts[0]);
+ SetupOneToken(t);
+ }
+ }
+ else
+ {
+ /* no starts2, so set up just one token */
+ SetupOneToken(lang->tokens[i]);
+ }
}
- else line_pos++; /* will yield '\0' as desired if EOF before end of line */
- if( DEBUG_NEXTCHAR )
- fprintf(stderr, "after NextChar, line_num %d, line_pos %d, curr_line %s",
- line_num, line_pos, &curr_line[1]);
-} /* end NextChar */
+ /* load the keyword hash table */
+ for( j = 0; lang->keywords[j] != (char *) NULL; j++ )
+ HashInsert(lang->keywords[j]);
+
+ if( DEBUG_SETUP )
+ fprintf(stderr, "SetupLanguage(%s) returning.\n", lang->names[0]);
+} /* end SetupLanguage */
+
/*****************************************************************************/
/* */
@@ -1010,15 +3182,41 @@ BOOLEAN Printable(char ch)
return (*p == ch);
} /* end Printable */
+
+/*****************************************************************************/
+/* */
+/* TOKEN *TokenStartingHere(int *len) */
+/* */
+/* Returns the token starting here if there is one, else NULL. */
+/* If found, the length of its starting delimiter is returned in *len. */
+/* */
+/*****************************************************************************/
+
+TOKEN *TokenStartingHere(int *len)
+{ TOKEN *res;
+
+ if( line_pos == 1 )
+ {
+ res = TrieRetrieve(StartLineTrie, &curr_line[line_pos], len);
+ if( res == (TOKEN *) NULL )
+ res = TrieRetrieve(Trie, &curr_line[line_pos], len);
+ }
+ else
+ {
+ res = TrieRetrieve(Trie, &curr_line[line_pos], len);
+ }
+ return res;
+}
+
/*****************************************************************************/
/* */
-/* Process(LANGUAGE*lang, FILE*in_fp, *out_fp, *err_fp, TOKEN *outer_token) */
+/* Process(LANGUAGE *lang, TOKEN *outer_token, char *outer_end_delimiter) */
/* */
/* Process a sequence of input tokens. If we are currently recursing */
/* inside some other token, outer_token is non-null and is that token, */
-/* and we stop when we reach the ending delimiter of the inner escape */
-/* of that token. Otherwise, we stop at end of file. */
+/* and we stop when we reach outer_end_delimiter outside any token. */
+/* Otherwise we stop at end of file. */
/* */
/*****************************************************************************/
#define START 1
@@ -1027,242 +3225,230 @@ BOOLEAN Printable(char ch)
#define IN_TOKEN_AFTER_INNER_ESCAPE 4
#define STOP 5
-void Process(LANGUAGE *lang, FILE *in_fp, FILE *out_fp, FILE *err_fp,
-TOKEN *outer_token)
+void Process(LANGUAGE *lang, TOKEN *outer_token, char *outer_end_delimiter)
{ TOKEN *current_token; int len, i, state;
+ BOOLEAN end_delimiter_seen;
if( DEBUG_PROCESS )
fprintf(stderr, "[ Process(%s, -, -, -, -)\n", lang->names[0]);
state = START;
+ end_delimiter_seen = FALSE;
while( curr_line[line_pos] != '\0' && state != STOP )
{
- if( DEBUG_PROCESS )
- fprintf(stderr, " state %d, ch %c\n", state, curr_line[line_pos]);
- switch( state )
- {
- case START: /* between tokens */
-
- /* check whether outer_token's delimiter is current */
- if( outer_token != (TOKEN *) NULL &&
- outer_token->end_inner_escape[0] != '\0' &&
- PrefixEq(&curr_line[line_pos], outer_token->end_inner_escape) )
- {
- len = strlen(outer_token->end_inner_escape);
- for( i = 0; i < len; i++ )
- NextChar(in_fp);
- state = STOP;
- }
- else switch( curr_line[line_pos] )
- {
+ if( DEBUG_PROCESS )
+ fprintf(stderr, " state %d, ch %c\n", state, curr_line[line_pos]);
+ switch( state )
+ {
- case ' ':
-
- EmitRaw(' ', out_fp, err_fp);
- NextChar(in_fp);
- break;
+ case START: /* between tokens; try each of the following */
+ /* check whether outer_token is ending here, in which case stop */
+ if( outer_token != (TOKEN *) NULL &&
+ curr_line[line_pos] == outer_end_delimiter[0] &&
+ InputMatches(outer_end_delimiter) )
+ {
+ len = strlen(outer_end_delimiter);
+ for( i = 0; i < len; i++ )
+ NextChar();
+ state = STOP;
+ }
- case '\t':
-
- if( outer_token != (TOKEN *) NULL )
- {
- fprintf(err_fp, "%s: replacing tab character in escape by space\n",
- ErrorHeader());
- EmitRaw(' ', out_fp, err_fp);
- NextChar(in_fp);
- }
- else
- {
- EmitRaw('\t', out_fp, err_fp);
- NextChar(in_fp);
+ /* check whether a token is starting here, in which case start it */
+ else if( (current_token = TokenStartingHere(&len)) != (TOKEN *) NULL )
+ {
+ if( DEBUG_PROCESS )
+ { fprintf(stderr, "current_token (len = %d): %s\n",
+ len, EchoToken(current_token));
}
- break;
+ StartEmit(lang, current_token, &curr_line[line_pos], len);
+ /* skip the starting delimiter */
+ for( i = 0; i < len; i++ )
+ NextChar();
- case '\n':
-
- if( outer_token != (TOKEN *) NULL )
+ /* we are now either in a token, or else we have to start an inner */
+ if( current_token->print_style == PRINT_NODELIMS_INNER )
{
- fprintf(err_fp, "%s: inserting %s to fix unterminated escape\n",
- ErrorHeader(), outer_token->end_inner_escape);
- state = STOP;
+ Process(lang, current_token, current_token->end_delimiter);
+ EndEmit(current_token, "");
}
- else
- {
- EmitRaw('\n', out_fp, err_fp);
- NextChar(in_fp);
- }
- break;
+ else state = IN_TOKEN;
+ }
+ /* check whether we have a space */
+ else if( curr_line[line_pos] == ' ' )
+ {
+ EmitRaw(' ');
+ NextChar();
+ }
- case '\f':
-
- if( outer_token != (TOKEN *) NULL )
- {
- fprintf(err_fp, "%s: replacing formfeed character in escape by space\n",
- ErrorHeader());
- EmitRaw(' ', out_fp, err_fp);
- NextChar(in_fp);
- }
- else
- {
+ /* check whether we have a tab character */
+ else if( curr_line[line_pos] == '\t' )
+ {
+ EmitRaw('\t');
+ NextChar();
+ }
+
+ /* check whether we have a newline character */
+ else if( curr_line[line_pos] == '\n' )
+ {
+ EmitRaw('\n');
+ NextChar();
+ }
+
+ /* check whether we have a formfeed character */
+ else if( curr_line[line_pos] == '\f' )
+ {
fprintf(out_fp, "\n@NP");
- EmitRaw('\n', out_fp, err_fp);
- NextChar(in_fp);
- }
- break;
+ EmitRaw('\n');
+ NextChar();
+ }
+ /* check whether we are supposed to echo things that don't match */
+ else if( lang->no_match == NO_MATCH_PRINT )
+ {
+ EmitProtected(curr_line[line_pos]);
+ NextChar();
+ }
- default:
+ /* finally, we have an error and must skip the character */
+ else if( lang->no_match == NO_MATCH_ERROR )
+ {
+ if( Printable(curr_line[line_pos]) )
+ fprintf(err_fp, "%s: skipping unexpected %c character\n",
+ ErrorHeader(), curr_line[line_pos]);
+ else
+ fprintf(err_fp, "%s: %s (octal %o)\n",
+ "skipping unexpected unprintable character",
+ ErrorHeader(), (int) curr_line[line_pos]);
+ NextChar();
+ }
+ else
+ {
+ fprintf(err_fp, "%s internal error: lang->no_match\n", ErrorHeader());
+ }
+ break;
+
+
+ case IN_TOKEN: /* within a token; current_token says which kind */
- /* look up the trie to see which token we are starting */
- current_token = TrieRetrieve(Trie, &curr_line[line_pos], &len);
- if( current_token == (TOKEN *) NULL )
+ /* check for ending delimiter if there is one */
+ if( current_token->end_delimiter[0] != '\0' &&
+ (!current_token->end_start_line_only || line_pos == 1) &&
+ InputMatches(current_token->end_delimiter) )
+ {
+ if( current_token->want_two_ends && !end_delimiter_seen )
{
- /* error; no token starts here, so print error message and skip */
- if( Printable(curr_line[line_pos]) )
- fprintf(err_fp, "%s: skipping unexpected %c character\n",
- ErrorHeader(), curr_line[line_pos]);
- else
- fprintf(err_fp,
- "%s: skipping unexpected unprintable character (octal %o)\n",
- ErrorHeader(), (int) curr_line[line_pos]);
- NextChar(in_fp);
+ /* if we have to see the end delimiter twice before stopping, */
+ /* and we haven't seen it yet, then emit the char and carry on */
+ Emit(current_token, curr_line[line_pos]);
+ NextChar();
+ end_delimiter_seen = TRUE;
}
else
{
- /* have a token, so start emitting it */
if( DEBUG_PROCESS )
- {
- fprintf(stderr, "current_token (len = %d): %s\n",
- len, EchoToken(current_token));
- }
- StartEmit(err_fp);
+ fprintf(stderr, " InputMatches(%s) so finishing token\n",
+ current_token->end_delimiter);
+ len = strlen(current_token->end_delimiter);
for( i = 0; i < len; i++ )
- {
- /* ***
- if( DEBUG_PROCESS )
- fprintf(stderr, " emitting delim (i %d, len %d)\n", i, len);
- *** */
- if( current_token->command != (char *) NULL )
- Emit(curr_line[line_pos], current_token, out_fp, err_fp);
- NextChar(in_fp);
- }
- state = IN_TOKEN;
+ NextChar();
+ EndEmit(current_token, current_token->end_delimiter);
+ state = START;
}
- }
- break;
-
-
- case IN_TOKEN: /* within a token; current_token says which kind */
-
- /* check for ending delimiter if there is one */
- if( current_token->end_delimiter[0] != '\0' &&
- PrefixEq(&curr_line[line_pos], current_token->end_delimiter) )
- {
- if( DEBUG_PROCESS )
- fprintf(stderr, " PrefixEq(-, %s) so finishing token\n",
- current_token->end_delimiter);
- len = strlen(current_token->end_delimiter);
- for( i = 0; i < len; i++ )
- { if( current_token->command != (char *) NULL )
- Emit(curr_line[line_pos], current_token, out_fp, err_fp);
- NextChar(in_fp);
}
- EndEmit(lang, current_token, out_fp, err_fp);
- state = START;
- }
- else switch( current_token->chtype[(int) curr_line[line_pos]] )
- {
+ else switch( current_token->chtype[(int) curr_line[line_pos]] )
+ {
- case LEGAL:
+ case LEGAL:
- Emit(curr_line[line_pos], current_token, out_fp, err_fp);
- NextChar(in_fp);
- break;
+ Emit(current_token, curr_line[line_pos]);
+ NextChar();
+ break;
- case ESCAPE:
+ case ESCAPE:
- NextChar(in_fp);
- state = IN_TOKEN_AFTER_ESCAPE;
- break;
+ NextChar();
+ state = IN_TOKEN_AFTER_ESCAPE;
+ break;
- case INNER_ESCAPE:
+ case INNER_ESCAPE:
- EndEmit(lang, current_token, out_fp, err_fp);
- NextChar(in_fp);
- Process(lang, in_fp, out_fp, err_fp, current_token);
- state = IN_TOKEN_AFTER_INNER_ESCAPE;
- break;
+ EndEmit(current_token, "");
+ NextChar();
+ Process(lang, current_token, current_token->end_inner_escape);
+ state = IN_TOKEN_AFTER_INNER_ESCAPE;
+ break;
- default:
+ default:
- if( current_token->end_delimiter[0] != '\0' )
- {
- /* error: token ends at delimiter, not at unexpected character */
- if( Printable(curr_line[line_pos]) )
- fprintf(err_fp, "%s: skipping unexpected %c character in %s\n",
- ErrorHeader(), curr_line[line_pos], current_token->name);
+ if( current_token->end_delimiter[0] != '\0' )
+ {
+ /* error: token ends at delimiter, not at unexpected character */
+ if( Printable(curr_line[line_pos]) )
+ fprintf(err_fp, "%s: skipping unexpected %c character in %s\n",
+ ErrorHeader(), curr_line[line_pos], current_token->name);
+ else
+ fprintf(err_fp, "%s: %s (octal %o) in %s\n",
+ ErrorHeader(), "skipping unexpected unprintable character",
+ (int) curr_line[line_pos], current_token->name);
+ NextChar();
+ }
else
- fprintf(err_fp,
- "%s: skipping unexpected unprintable character (octal %o) in %s\n",
- ErrorHeader(), (int) curr_line[line_pos], current_token->name);
- NextChar(in_fp);
- }
- else
- {
- /* normal termination after last legal character */
- EndEmit(lang, current_token, out_fp, err_fp);
- state = START;
- }
- break;
+ {
+ /* normal termination after last legal character */
+ EndEmit(current_token, "");
+ state = START;
+ }
+ break;
- }
- break;
+ }
+ break;
- case IN_TOKEN_AFTER_ESCAPE:
+ case IN_TOKEN_AFTER_ESCAPE:
- if( current_token->escape_chtype[(int) curr_line[line_pos]] == LEGAL )
- {
- Emit(current_token->escape[0], current_token, out_fp, err_fp);
- Emit(curr_line[line_pos], current_token, out_fp, err_fp);
- }
- else
- {
- if( Printable(curr_line[line_pos]) )
- fprintf(err_fp, "%s: skipping %c%c in %s, since %c not legal here\n",
- ErrorHeader(), current_token->escape[0], curr_line[line_pos],
- current_token->name, curr_line[line_pos]);
+ if( current_token->escape_chtype[(int) curr_line[line_pos]] == LEGAL )
+ {
+ Emit(current_token, current_token->escape[0]);
+ Emit(current_token, curr_line[line_pos]);
+ }
else
- fprintf(err_fp,
- "%s: skipping %c and unprintable unexpected character (octal %o)\n",
- ErrorHeader(), current_token->escape[0], (int) curr_line[line_pos]);
- }
- NextChar(in_fp);
- state = IN_TOKEN;
- break;
+ {
+ if( Printable(curr_line[line_pos]) )
+ fprintf(err_fp,"%s: skipping %c%c in %s, since %c not legal here\n",
+ ErrorHeader(), current_token->escape[0], curr_line[line_pos],
+ current_token->name, curr_line[line_pos]);
+ else
+ fprintf(err_fp,
+ "%s: skipping %c and %s (octal %o)\n", ErrorHeader(),
+ current_token->escape[0], "unprintable unexpected character",
+ (int) curr_line[line_pos]);
+ }
+ NextChar();
+ state = IN_TOKEN;
+ break;
- case IN_TOKEN_AFTER_INNER_ESCAPE:
+ case IN_TOKEN_AFTER_INNER_ESCAPE:
- /* ending delimiter of inner escape has been read over */
- StartEmit(err_fp);
- state = IN_TOKEN;
- break;
+ /* ending delimiter of inner escape has been read over */
+ StartEmit(lang, current_token, "", 0);
+ state = IN_TOKEN;
+ break;
- default:
+ default:
- fprintf(err_fp, "%s internal error (state = %d)\n",
- ErrorHeader(), state);
- abort();
- break;
- }
+ fprintf(err_fp, "%s internal error (state = %d)\n",
+ ErrorHeader(), state);
+ abort();
+ break;
+ }
}
/* at end, need to tidy up any residual messiness */
@@ -1285,9 +3471,9 @@ TOKEN *outer_token)
fprintf(err_fp, "%s: program text ended within %s\n",
ErrorHeader(), current_token->name);
else
- fprintf(err_fp, "%s: %s escape ended within %s\n",
+ fprintf(err_fp, "%s: %s token ended within %s\n",
ErrorHeader(), outer_token->name, current_token->name);
- EndEmit(lang, current_token, out_fp, err_fp);
+ EndEmit(current_token, "");
}
break;
@@ -1297,7 +3483,7 @@ TOKEN *outer_token)
/* we stopped after the escape character */
fprintf(err_fp, "%s: skipping %c at end of program text\n",
ErrorHeader(), current_token->escape[0]);
- EndEmit(lang, current_token, out_fp, err_fp);
+ EndEmit(current_token, "");
break;
@@ -1310,7 +3496,7 @@ TOKEN *outer_token)
fprintf(err_fp, "%s: program text ended within %s after escape\n",
ErrorHeader(), current_token->name);
else
- fprintf(err_fp, "%s: %s escape ended within %s after escape\n",
+ fprintf(err_fp, "%s: %s token ended within %s after escape\n",
ErrorHeader(), outer_token->name, current_token->name);
}
break;
@@ -1325,44 +3511,50 @@ TOKEN *outer_token)
}
} /* end Process */
-
+
/*****************************************************************************/
/* */
-/* PrintUsage(fp) */
+/* PrintUsage() */
/* */
-/* Print usage message on file fp. */
+/* Print usage message on file err_fp. */
/* */
/*****************************************************************************/
-void PrintUsage(FILE *fp)
+void PrintUsage()
{ int i;
- fprintf(fp, "\n");
- fprintf(fp, "usage: prg2lout <options> <files>\n\n");
- fprintf(fp, " where <options> can be\n");
- fprintf(fp, "\n");
- fprintf(fp, " -r raw mode (used within Lout only)\n");
- fprintf(fp, " -i<file> take input from <file>\n");
- fprintf(fp, " -o<file> send output to <file>\n");
- fprintf(fp, " -e<file> send error messages to <file>\n");
- fprintf(fp, " -l<language> input is in this programming language\n");
- fprintf(fp, " -p<style> print style: fixed, varying, symbol\n");
- fprintf(fp, " -f<family> font family (e.g. Times)\n");
- fprintf(fp, " -s<size> font size (e.g. 10p or 12p)\n");
- fprintf(fp, " -v<space> line spacing (e.g. 1.1fx)\n");
- fprintf(fp, " -t<num> tab interval (e.g. 8 is default)\n");
- fprintf(fp, " -T<dist> output tab interval (e.g. 0.5i)\n");
- fprintf(fp, " -n no file names as page headers\n");
- fprintf(fp, " -V print version information and exit\n");
- fprintf(fp, " -u print this usage message and exit\n");
- fprintf(fp, "\n");
- fprintf(fp, " and <language> (which is compulsory) can be any one of:\n");
+ fprintf(err_fp, "\n");
+ fprintf(err_fp, "usage: prg2lout <options> <files>\n\n");
+ fprintf(err_fp, " where <options> can be\n");
+ fprintf(err_fp, "\n");
+ fprintf(err_fp, " -r raw mode (used within Lout only)\n");
+ fprintf(err_fp, " -i<file> take input from <file>\n");
+ fprintf(err_fp, " -o<file> send output to <file>\n");
+ fprintf(err_fp, " -e<file> send error messages to <file>\n");
+ fprintf(err_fp, " -l<language> input is in this programming language\n");
+ fprintf(err_fp, " -p<style> print style: fixed, varying, symbol\n");
+ fprintf(err_fp, " -f<family> font family (e.g. Times)\n");
+ fprintf(err_fp, " -s<size> font size (e.g. 10p or 12p)\n");
+ fprintf(err_fp, " -v<space> line spacing (e.g. 1.1fx)\n");
+ fprintf(err_fp, " -t<num> tab interval (e.g. 8 is default)\n");
+ fprintf(err_fp, " -T<dist> output tab interval (e.g. 0.5i)\n");
+ fprintf(err_fp, " -S<file> use this as the setup file\n");
+ fprintf(err_fp, " -n no file names as page headers\n");
+ fprintf(err_fp, " -V print version information and exit\n");
+ fprintf(err_fp, " -u print this usage message and exit\n");
+ fprintf(err_fp, "\n");
+ fprintf(err_fp, " <language> (which is compulsory) can be any one of:\n");
for( i = 0; languages[i] != (LANGUAGE *) NULL; i++ )
- fprintf(fp, " %s\n", languages[i]->names[0]);
- fprintf(fp, "\n");
+ fprintf(err_fp, " %s\n", languages[i]->names[0]);
+ fprintf(err_fp, "\n");
+ fprintf(err_fp, "The values of all formatting options not given are\n");
+ fprintf(err_fp, "taken from the setup file: either the file given after\n");
+ fprintf(err_fp, "-S, or the system default setup file for this language\n");
+ fprintf(err_fp, "if there is no -S option.\n");
+ fprintf(err_fp, "\n");
} /* end PrintUsage */
-
+
/*****************************************************************************/
/* */
/* main(argc, argv) */
@@ -1373,10 +3565,9 @@ void PrintUsage(FILE *fp)
/*****************************************************************************/
int main(int argc, char *argv[])
-{ FILE *in_fp, *out_fp, *err_fp;
- BOOLEAN stdin_seen; int i, j, arg_pos;
- char *infilename, *outfilename, *errfilename, *str;
- LANGUAGE *language = (LANGUAGE *) NULL;
+{ BOOLEAN stdin_seen; int i, j, arg_pos;
+ char *infilename, *outfilename, *errfilename;
+ LANGUAGE *lang = NO_LANGUAGE;
char *file_names[1024]; int file_count = 0;
/* echo command line */
@@ -1393,15 +3584,14 @@ int main(int argc, char *argv[])
line_num = 0;
stdin_seen = raw_seen = FALSE;
tab_by_spacing = TRUE;
- style_option = NO_STYLE;
tab_in = 8;
tab_out = 3;
tab_unit = 'f';
headers_option = TRUE;
font_option = size_option = line_option = tabin_option =
- tabout_option = language_option = (char *) NULL;
+ tabout_option = setup_option = language_option = (char *) NULL;
if( argc == 1 )
- { PrintUsage(err_fp);
+ { PrintUsage();
exit(1);
}
for( arg_pos = 1; arg_pos < argc; arg_pos++ )
@@ -1487,27 +3677,12 @@ int main(int argc, char *argv[])
{ fprintf(err_fp, "%s: -p illegal with -r option\n", ErrorHeader());
exit(1);
}
- GetArg(str, "usage: -p<printstyle>", FALSE);
- /* *** -l can set style, so don't do this now
- if( style_option != NO_STYLE )
- { fprintf(err_fp, "%s: -p option appears twice!\n", ErrorHeader());
- exit(1);
- }
- else
- *** */
- if( strcmp(str, "fixed") == 0 )
- { style_option = FIXED_STYLE;
- }
- else if( strcmp(str, "varying") == 0 )
- { style_option = VARYING_STYLE;
- tab_by_spacing = FALSE;
- }
- else if( strcmp(str, "symbol") == 0 )
- { style_option = SYMBOL_STYLE;
- tab_by_spacing = FALSE;
- }
- else
- { fprintf(err_fp, "%s: unknown -p option %s\n", ErrorHeader(), str);
+ GetArg(style_option, "usage: -p<printstyle>", FALSE);
+ if( strcmp(style_option, "fixed") != 0 &&
+ strcmp(style_option, "varying") != 0 &&
+ strcmp(style_option, "symbol") != 0 )
+ { fprintf(err_fp, "%s: unknown -p option %s\n", ErrorHeader(),
+ style_option);
exit(1);
}
break;
@@ -1588,6 +3763,17 @@ int main(int argc, char *argv[])
break;
+ case 'S':
+
+ /* read alternative setup file */
+ if( raw_seen )
+ { fprintf(err_fp, "%s: -s illegal with -r option\n", ErrorHeader());
+ exit(1);
+ }
+ GetArg(setup_option, "usage: -S<filename>", FALSE);
+ break;
+
+
case 'n':
if( raw_seen )
@@ -1615,7 +3801,7 @@ int main(int argc, char *argv[])
{ fprintf(err_fp, "%s: -u illegal with -r option\n", ErrorHeader());
exit(1);
}
- PrintUsage(err_fp);
+ PrintUsage();
exit(0);
break;
@@ -1627,48 +3813,22 @@ int main(int argc, char *argv[])
exit(1);
}
GetArg(language_option, "usage: -l<language>", FALSE);
- for( i = 0; languages[i] != (LANGUAGE *) NULL; i++ )
- {
- for( j = 0; languages[i]->names[j] != (char *) NULL; j++ )
- {
- if( strcmp(languages[i]->names[j], language_option) == 0 )
- break;
- }
- if( languages[i]->names[j] != (char *) NULL )
- break;
- }
- if( languages[i] != (LANGUAGE *) NULL )
+ i = 0; j = 0;
+ while( lang == NO_LANGUAGE && languages[i] != NO_LANGUAGE )
{
- language = languages[i];
+ if( languages[i]->names[j] == (char *) NULL )
+ i++, j = 0;
+ else if( strcmp(languages[i]->names[j], language_option) == 0 )
+ lang = languages[i];
+ else
+ j++;
}
- else
+ if( lang == NO_LANGUAGE )
{
fprintf(err_fp, "%s: unknown language %s\n", ErrorHeader(),
language_option);
exit(1);
}
-
- /* set style unless already done by a -p flag */
- if( style_option == NO_STYLE )
- {
- if( strcmp(language->default_style, "fixed") == 0 )
- { style_option = FIXED_STYLE;
- }
- else if( strcmp(language->default_style, "varying") == 0 )
- { style_option = VARYING_STYLE;
- tab_by_spacing = FALSE;
- }
- else if( strcmp(language->default_style, "symbol") == 0 )
- { style_option = SYMBOL_STYLE;
- tab_by_spacing = FALSE;
- }
- else
- { fprintf(err_fp,
- "%s internal error: bad default print style for language %s\n",
- ErrorHeader(), language_option);
- abort();
- }
- }
break;
@@ -1695,7 +3855,7 @@ int main(int argc, char *argv[])
} /* for */
/* make sure we have a language */
- if( language == (LANGUAGE *) NULL )
+ if( lang == NO_LANGUAGE )
{
fprintf(err_fp, "%s: missing -l option\n", ErrorHeader());
exit(0);
@@ -1713,87 +3873,28 @@ int main(int argc, char *argv[])
}
/* process the file */
- SetupTokens(language, err_fp);
+ SetupLanguage(lang);
line_pos = 1;
curr_line[line_pos] = '\n'; /* forces line read */
line_num = 0;
- NextChar(in_fp);
- Process(language, in_fp, out_fp, err_fp, (TOKEN *) NULL);
+ NextChar();
+ Process(lang, (TOKEN *) NULL, "");
}
else if( file_count > 0 )
- {
- int ch;
- char *style_str, *font_str, *size_str, *line_str, *face_str;
- char *tabin_str, *tabout_str;
-
- /* sort out the options' values */
- switch( style_option )
- {
-
- case FIXED_STYLE:
-
- style_str = "fixed";
- face_str = "Base";
- font_str = font_option != NULL ? font_option : "Courier";
- size_str = size_option != NULL ? size_option : "9p";
- line_str = line_option != NULL ? line_option : "1.1fx";
- tabin_str = tabin_option != NULL ? tabin_option : "8";
- tabout_str = tabout_option != NULL ? tabout_option : "8s";
- break;
+ { int ch;
-
- case NO_STYLE:
- case VARYING_STYLE:
-
- style_str = "varying";
- face_str = "Slope";
- font_str = font_option != NULL ? font_option : "Times";
- size_str = size_option != NULL ? size_option : "10p";
- line_str = line_option != NULL ? line_option : "1.1fx";
- tabin_str = tabin_option != NULL ? tabin_option : "8";
- tabout_str = tabout_option != NULL ? tabout_option : "3f";
- break;
-
-
- case SYMBOL_STYLE:
-
- style_str = "symbol";
- face_str = "Slope";
- font_str = font_option != NULL ? font_option : "Times";
- size_str = size_option != NULL ? size_option : "10p";
- line_str = line_option != NULL ? line_option : "1.1fx";
- tabin_str = tabin_option != NULL ? tabin_option : "8";
- tabout_str = tabout_option != NULL ? tabout_option : "3f";
- break;
-
-
- default:
-
- fprintf(err_fp, "%s internal error in -p option\n", ErrorHeader());
- abort();
- break;
- }
-
/* make sure we have an output file */
if( out_fp == (FILE *) NULL )
out_fp = stdout;
/* print the initial @Use clauses etc.*/
- fprintf(out_fp, "%s%s\n", "@Sy", "sInclude { progf }");
fprintf(out_fp, "%s%s\n", "@Sy", "sInclude { doc }");
- fprintf(out_fp, "@Use { @ProgSetup\n");
- fprintf(out_fp, " language { %s }\n", language_option);
- fprintf(out_fp, " style { %s }\n", style_str);
- fprintf(out_fp, " %sfont { %s }\n", style_str, font_str);
- fprintf(out_fp, " %ssize { %s }\n", style_str, size_str);
- fprintf(out_fp, " %sline { %s }\n", style_str, line_str);
- fprintf(out_fp, " %stabin { %s }\n", style_str, tabin_str);
- fprintf(out_fp, " %stabout { %s }\n", style_str, tabout_str);
- fprintf(out_fp, "}\n");
+ if( setup_option != NULL )
+ fprintf(out_fp, "%s%s { %s }\n", "@In", "clude", setup_option);
+ else
+ fprintf(out_fp, "%s%s { %s }\n", "@Sy", "sInclude", lang->setup_file);
fprintf(out_fp, "@Document\n");
- fprintf(out_fp, " @InitialFont { \"%s\" \"%s\" \"%s\" }\n",
- font_str, face_str, size_str);
- fprintf(out_fp, " @InitialBreak { lines \"%s\" nohyphen }\n", line_str);
+ fprintf(out_fp, " @InitialBreak { lines 1.2fx nohyphen }\n");
fprintf(out_fp, "//\n");
fprintf(out_fp, "%s%s\n", "@Text @Be", "gin");
@@ -1805,7 +3906,7 @@ int main(int argc, char *argv[])
if( in_fp == NULL )
{ fprintf(err_fp, "%s: skipping input file %s (cannot open)\n",
ErrorHeader(), file_names[i]);
- continue;
+ continue;
}
strcpy(file_name, file_names[i]);
@@ -1817,11 +3918,24 @@ int main(int argc, char *argv[])
file_names[i]);
/* print file name and contents (don't format, let Lout call back) */
- /* this string has been disguised so as not to fool progwlout! */
- fprintf(out_fp, "%s%s%s\n", "@P", "rog @Be", "gin");
+ /* this string has been disguised to avoid recognition by prg2lout */
+ fprintf(out_fp, "%s\n", lang->lang_sym);
+ if( style_option != NULL )
+ fprintf(out_fp, " style { %s }\n", style_option );
+ if( font_option != NULL )
+ fprintf(out_fp, " font { %s }\n", font_option );
+ if( size_option != NULL )
+ fprintf(out_fp, " size { %s }\n", size_option );
+ if( line_option != NULL )
+ fprintf(out_fp, " line { %s }\n", line_option );
+ if( tabin_option != NULL )
+ fprintf(out_fp, " tabin { %s }\n", tabin_option );
+ if( tabout_option != NULL )
+ fprintf(out_fp, " tabout { %s }\n", tabout_option );
+ fprintf(out_fp, "%s%s\n", "@Be", "gin");
while( (ch = getc(in_fp)) != EOF )
- putc(ch, out_fp);
- fprintf(out_fp, "%s%s%s\n", "@E", "nd @P", "rog");
+ putc(ch, out_fp);
+ fprintf(out_fp, "%s%s %s\n", "@E", "nd", lang->lang_sym);
}
/* finish off whole input */
diff --git a/whatsnew b/whatsnew
index dae0477..614c318 100644
--- a/whatsnew
+++ b/whatsnew
@@ -237,6 +237,12 @@ Changes and new features introduced in Version 3.19 [9 March 2000]
Running headers in indexes
Two extra @Eq symbols: triangleup, triangledown
+Changes and new features introduced in Version 3.20 [8 April 2000]
+
+ Bug fixes (including the internal error that was dumping core recently)
+ Multi-line style changes (@I, @Colour etc.) now work in lines @Break mode
+ @Perl symbol for Perl programming language formatting (includes Pod)
+
Things that ought to be done but haven't been done yet
PDF-like features in PostScript output
@@ -244,4 +250,4 @@ Things that ought to be done but haven't been done yet
Review Uwe's proposal for moving word row marks to the baseline
Jeff Kingston
-9 March 2000
+8 April 2000
diff --git a/z01.c b/z01.c
index f276900..d0321e5 100644
--- a/z01.c
+++ b/z01.c
@@ -1,6 +1,6 @@
/*@z01.c:Supervise:StartSym, AllowCrossDb, Encapsulated, etc.@****************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z02.c b/z02.c
index 4f787f6..0237f8d 100644
--- a/z02.c
+++ b/z02.c
@@ -1,6 +1,6 @@
/*@z02.c:Lexical Analyser:Declarations@***************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z03.c b/z03.c
index caa10d1..68366a9 100644
--- a/z03.c
+++ b/z03.c
@@ -1,6 +1,6 @@
/*@z03.c:File Service:Declarations, no_fpos@******************************** */
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z04.c b/z04.c
index e41fb2b..3cf2a49 100644
--- a/z04.c
+++ b/z04.c
@@ -1,6 +1,6 @@
/*@z04.c:Token Service:NewToken(), CopyTokenList()@***************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z05.c b/z05.c
index 556844e..9830c39 100644
--- a/z05.c
+++ b/z05.c
@@ -1,6 +1,6 @@
/*@z05.c:Read Definitions:ReadFontDef()@**************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z06.c b/z06.c
index 967bef4..60492ca 100644
--- a/z06.c
+++ b/z06.c
@@ -1,6 +1,6 @@
/*@z06.c:Parser:PushObj(), PushToken(), etc.@*********************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z07.c b/z07.c
index f9ab995..f8977e4 100644
--- a/z07.c
+++ b/z07.c
@@ -1,6 +1,6 @@
/*@z07.c:Object Service:SplitIsDefinite(), DisposeObject()@*******************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z08.c b/z08.c
index 99efc43..3bc3d02 100644
--- a/z08.c
+++ b/z08.c
@@ -1,6 +1,6 @@
/*@z08.c:Object Manifest:ReplaceWithSplit()@**********************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
@@ -789,6 +789,8 @@ OBJECT *enclose, BOOLEAN fcr)
Error(8, 19, "filter parameter of %s symbol is not simple",
FATAL, &fpos(command), SymName(enclosing(sym)));
y = FilterExecute(x, string(command), res_env);
+ debug2(DFH, D, "after \"%s\", will manifest result with style %s",
+ string(command), EchoStyle(style));
DisposeObject(command);
ReplaceNode(y, x);
DisposeObject(x);
@@ -1241,12 +1243,15 @@ OBJECT *enclose, BOOLEAN fcr)
}
/* implement FILL_OFF break option if required */
+ /* *** this has been moved now to MinSize, z12.c *** */
+
+ /* ***
if( ok && multiline && fill_style(*style) == FILL_UNDEF )
Error(8, 25, "missing %s symbol or option", FATAL, &fpos(x), KW_BREAK);
if( ok && multiline && fill_style(*style) == FILL_OFF )
{ OBJECT prev_acat, new_acat; BOOLEAN jn;
- /* compress any ACAT children of ACAT x */
+ %* compress any ACAT children of ACAT x *%
for( link = x; NextDown(link) != x; link = NextDown(link) )
{ Child(y, NextDown(link));
if( type(y) == ACAT )
@@ -1256,7 +1261,7 @@ OBJECT *enclose, BOOLEAN fcr)
}
}
- /* do line breaks now */
+ %* do line breaks now *%
prev_acat = x;
New(x, VCAT);
adjust_cat(x) = FALSE;
@@ -1305,7 +1310,7 @@ OBJECT *enclose, BOOLEAN fcr)
}
}
- /* remove any singleton ACAT objects under x, if they are VCATs */
+ %* remove any singleton ACAT objects under x, if they are VCATs *%
for( link = Down(x); link != x; link = NextDown(link) )
{ Child(y, link);
if( type(y) == ACAT && Down(y) == LastDown(y) )
@@ -1317,6 +1322,7 @@ OBJECT *enclose, BOOLEAN fcr)
}
}
}
+ *** */
ReplaceWithSplit(x, bthr, fthr);
break;
@@ -1404,7 +1410,7 @@ OBJECT *enclose, BOOLEAN fcr)
y = Manifest(y, env, style, nbt, nft, &ntarget, crs, FALSE, FALSE,
&nenclose, fcr);
y = ReplaceWithTidy(y, FALSE);
- GetGap(y, style, &line_gap(save_style(x)), &res_gap);
+ GetGap(y, style, &line_gap(save_style(x)), &res_inc);
/* now the right parameter */
Child(y, LastDown(x));
diff --git a/z09.c b/z09.c
index 1bcd77f..6613b52 100644
--- a/z09.c
+++ b/z09.c
@@ -1,6 +1,6 @@
/*@z09.c:Closure Expansion:SearchEnv()@***************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z10.c b/z10.c
index 1dc5b78..fcc3e66 100644
--- a/z10.c
+++ b/z10.c
@@ -1,6 +1,6 @@
/*@z10.c:Cross References:CrossInit(), CrossMake()@***************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z11.c b/z11.c
index ae1b437..754036f 100644
--- a/z11.c
+++ b/z11.c
@@ -1,6 +1,6 @@
/*@z11.c:Style Service:EchoStyle()@*******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
@@ -44,8 +44,8 @@ FULL_CHAR *EchoStyle(STYLE *style)
static char *hyphwords[] = { "hyph_undef", "hyph_off", "hyph_on" };
static char *fillwords[] = { "fill_undef", "fill_off", "fill_on" };
static char *spacewords[] = { "lout", "comp", "troff", "tex" };
- static char *displaywords[] = { "undef", "adjust", "outdent", "left",
- "centre", "right", "do" };
+ static char *displaywords[] = { "undef", "adjust", "outdent", "oragged",
+ "left", "centre", "right", "do" };
StringCopy(res, AsciiToFull("["));
StringCat(res, EchoCatOp(VCAT,mark(line_gap(*style)),join(line_gap(*style))));
@@ -228,7 +228,8 @@ static void changebreak(STYLE *style, OBJECT x)
void BreakChange(STYLE *style, OBJECT x)
{ OBJECT link, y;
- debug2(DSS, D, "BreakChange(%s, %s)", EchoStyle(style), EchoObject(x));
+ debug3(DSS, D, "BreakChange(%s, %s at %s)", EchoStyle(style),
+ EchoObject(x), EchoFilePos(&fpos(x)));
switch( type(x) )
{
case NULL_CLOS: break;
diff --git a/z12.c b/z12.c
index 16789a5..b7b4d08 100644
--- a/z12.c
+++ b/z12.c
@@ -1,6 +1,6 @@
/*@z12.c:Size Finder:MinSize()@***********************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
@@ -28,6 +28,8 @@
/* */
/*****************************************************************************/
#include "externs.h"
+#define line_breaker(g) \
+ (vspace(g) > 0 || (units(gap(g)) == FRAME_UNIT && width(gap(g)) > FR))
#define IG_LOOKING 0
#define IG_NOFILE 1
#define IG_BADFILE 2
@@ -802,6 +804,90 @@ OBJECT MinSize(OBJECT x, int dim, OBJECT *extras)
case ACAT:
+
+ if( fill_style(save_style(x)) == FILL_OFF )
+ { OBJECT new_line, g, z, res; BOOLEAN jn;
+
+ /* convert ACAT to VCAT of lines if more than one line */
+ /* first, compress all ACAT children */
+ for( link = x; NextDown(link) != x; link = NextDown(link) )
+ { Child(y, NextDown(link));
+ if( type(y) == ACAT )
+ {
+ TransferLinks(Down(y), y, NextDown(link));
+ DisposeChild(Up(y));
+ link = PrevDown(link);
+ }
+ }
+
+ /* check each definite subobject in turn for a linebreak preceding */
+ FirstDefinite(x, link, y, jn);
+ if( link != x )
+ {
+ res = nilobj;
+ NextDefiniteWithGap(x, link, y, g, jn);
+ while( link != x )
+ {
+ /* check whether we need to break the paragraph here at g */
+ if( mode(gap(g)) != NO_MODE && line_breaker(g) )
+ {
+ /* if this is our first break, build res */
+ if( res == nilobj )
+ {
+ New(res, VCAT);
+ adjust_cat(res) = FALSE;
+ ReplaceNode(res, x);
+ }
+
+ /* make new line of stuff up to g and append it to res */
+ New(new_line, ACAT);
+ TransferLinks(NextDown(x), Up(g), new_line);
+ StyleCopy(save_style(new_line), save_style(x));
+ Link(res, new_line);
+
+ /* may need to insert space at start of remainder */
+ if( hspace(g) > 0 )
+ {
+ /* make an empty word to occupy the first spot */
+ z = MakeWord(WORD, STR_EMPTY, &fpos(g));
+ word_font(z) = font(save_style(x));
+ word_colour(z) = colour(save_style(x));
+ word_outline(z) = outline(save_style(x));
+ word_language(z) = language(save_style(x));
+ word_hyph(z) = hyph_style(save_style(x)) == HYPH_ON;
+ underline(z) = UNDER_OFF;
+ Link(Down(x), z);
+
+ /* follow the empty word with a gap of the right width */
+ New(z, GAP_OBJ);
+ hspace(z) = hspace(g);
+ vspace(z) = 0;
+ underline(z) = UNDER_OFF;
+ GapCopy(gap(z), space_gap(save_style(x)));
+ width(gap(z)) *= hspace(z);
+ Link(NextDown(Down(x)), z);
+ }
+
+ /* append a gap to res (recycle g) */
+ MoveLink(Up(g), res, PARENT);
+ GapCopy(gap(g), line_gap(save_style(x)));
+ width(gap(g)) *= find_max(1, vspace(g));
+
+ }
+ NextDefiniteWithGap(x, link, y, g, jn);
+ }
+
+ /* at end of loop, if we have a res, leftover last line is linked */
+ if( res != nilobj )
+ {
+ Link(res, x);
+ x = res;
+ }
+ }
+ }
+ /* *** NB NO BREAK *** */
+
+
case HCAT:
case VCAT:
diff --git a/z13.c b/z13.c
index b853ab5..733daa5 100644
--- a/z13.c
+++ b/z13.c
@@ -1,6 +1,6 @@
/*@z13.c:Object Breaking:BreakJoinedGroup()@**********************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z14.c b/z14.c
index d2c75ee..9368881 100644
--- a/z14.c
+++ b/z14.c
@@ -1,6 +1,6 @@
/*@z14.c:Fill Service:Declarations@*******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z15.c b/z15.c
index d79f677..f5cc49f 100644
--- a/z15.c
+++ b/z15.c
@@ -1,6 +1,6 @@
/*@z15.c:Size Constraints:MinConstraint(), EnlargeToConstraint()@*************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z16.c b/z16.c
index 184e710..00a025c 100644
--- a/z16.c
+++ b/z16.c
@@ -1,6 +1,6 @@
/*@z16.c:Size Adjustment:SetNeighbours(), CatAdjustSize()@********************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z17.c b/z17.c
index 3e17148..de3e558 100644
--- a/z17.c
+++ b/z17.c
@@ -1,6 +1,6 @@
/*@z17.c:Gap Widths:GetGap()@*************************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
@@ -58,7 +58,7 @@ void GetGap(OBJECT x, STYLE *style, GAP *res_gap, unsigned *res_inc)
{ int w; float num;
FULL_CHAR *str;
- debug2(DGW, DD, "GetGap( %s, %s, res_gap, res_inc )",
+ debug2(DGW, D, "GetGap( %s, %s, res_gap, res_inc )",
EchoObject(x), EchoStyle(style));
nobreak(*res_gap) = FALSE;
@@ -68,14 +68,14 @@ void GetGap(OBJECT x, STYLE *style, GAP *res_gap, unsigned *res_inc)
/* make sure we have a WORD or QWORD argument */
if( !is_word(type(x)) )
{ Error(17, 1, "gap is not a simple word", WARN, &fpos(x));
- debug1(DGW, DD, "GetGap failing (x = %s)", EchoObject(x));
+ debug1(DGW, D, "GetGap failing (x = %s)", EchoObject(x));
return;
}
str = string(x);
/* if word is empty, return 0ie */
if( *str == '\0' )
- { debug0(DGW, DD, "GetGap returning (null word)");
+ { debug0(DGW, D, "GetGap returning (null word)");
return;
}
@@ -88,7 +88,7 @@ void GetGap(OBJECT x, STYLE *style, GAP *res_gap, unsigned *res_inc)
{ Error(17, 2, "width missing from %s", WARN, &fpos(x), string(x));
Error(17, 3, "%s, %s and %s must be enclosed in double quotes",
WARN, &fpos(x), KW_VCAT_NJ, KW_HCAT_NJ, KW_ACAT_NJ);
- debug0(DGW, DD, "GetGap failing (width missing)");
+ debug0(DGW, D, "GetGap failing (width missing)");
return;
}
while( numericchar(*str) ) str++;
@@ -118,7 +118,7 @@ void GetGap(OBJECT x, STYLE *style, GAP *res_gap, unsigned *res_inc)
default: Error(17, 4, "units letter missing from %s",
WARN, &fpos(x), string(x));
- debug0(DGW, DD, "GetGap failing (units letter missing)");
+ debug0(DGW, D, "GetGap failing (units letter missing)");
return;
}
@@ -142,7 +142,7 @@ void GetGap(OBJECT x, STYLE *style, GAP *res_gap, unsigned *res_inc)
default: Error(17, 7, "unknown gap mode in %s",
WARN, &fpos(x), string(x));
- debug0(DGW, DD, "GetGap failing (spacing mode)");
+ debug0(DGW, D, "GetGap failing (spacing mode)");
return;
}
@@ -160,7 +160,7 @@ void GetGap(OBJECT x, STYLE *style, GAP *res_gap, unsigned *res_inc)
if( *str != '\0' )
Error(17, 8, "invalid width or gap %s", WARN, &fpos(x), string(x));
- debug2(DGW, DD, "GetGap returning (res_gap = %s, res_inc = %s)",
+ debug2(DGW, D, "GetGap returning (res_gap = %s, res_inc = %s)",
EchoGap(res_gap), Image( (int) *res_inc) );
} /* end GetGap */
@@ -352,7 +352,7 @@ FULL_LENGTH ActualGap(FULL_LENGTH prevf, FULL_LENGTH b, FULL_LENGTH f,
break;
}
res = find_min(MAX_FULL_LENGTH, w2);
- debug7(DGW, D, "ActualGap( _,%s %s %s,%s; frame_size %s, mk %s ) = %s",
+ debug7(DGW, DD, "ActualGap( _,%s %s %s,%s; frame_size %s, mk %s ) = %s",
EchoLength(prevf), EchoGap(xgap), EchoLength(b), EchoLength(f),
EchoLength(frame_size), EchoLength(mk), EchoLength(res));
return res;
diff --git a/z18.c b/z18.c
index 5063a06..e9489a5 100644
--- a/z18.c
+++ b/z18.c
@@ -1,6 +1,6 @@
/*@z18.c:Galley Transfer:Declarations@****************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z19.c b/z19.c
index f9262ab..71529ea 100644
--- a/z19.c
+++ b/z19.c
@@ -1,6 +1,6 @@
/*@z19.c:Galley Attaching:DetachGalley()@*************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z20.c b/z20.c
index e6e1492..6ae1274 100644
--- a/z20.c
+++ b/z20.c
@@ -1,6 +1,6 @@
/*@z20.c:Galley Flushing:DebugInnersNames()@**********************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z21.c b/z21.c
index 21fb4d4..aac03f8 100644
--- a/z21.c
+++ b/z21.c
@@ -1,6 +1,6 @@
/*@z21.c:Galley Maker:SizeGalley()@*******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z22.c b/z22.c
index acb3a69..0e8fed7 100644
--- a/z22.c
+++ b/z22.c
@@ -1,6 +1,6 @@
/*@z22.c:Galley Service:Interpose()@******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
@@ -420,6 +420,7 @@ void HandleHeader(OBJECT hd, OBJECT link, OBJECT header)
MoveLink(Down(header), g, PARENT);
Child(z, Down(g));
GapCopy(gap(g), line_gap(save_style(header)));
+ mark(gap(g)) = join(gap(g)) = FALSE;
/* move header and gap into headers() */
MoveLink(LastDown(header), headers(hd), PARENT);
diff --git a/z23.c b/z23.c
index 177fa3c..5690838 100644
--- a/z23.c
+++ b/z23.c
@@ -1,6 +1,6 @@
/*@z23.c:Galley Printer:ScaleFactor()@****************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z24.c b/z24.c
index c587bbb..85fa25a 100644
--- a/z24.c
+++ b/z24.c
@@ -1,6 +1,6 @@
/*@z24.c:Print Service:PrintInit()@*******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z25.c b/z25.c
index fee43d9..34a89e1 100644
--- a/z25.c
+++ b/z25.c
@@ -1,6 +1,6 @@
/*@z25.c:Object Echo:aprint(), cprint(), printnum()@**************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z26.c b/z26.c
index d018a57..be7dd0d 100644
--- a/z26.c
+++ b/z26.c
@@ -1,6 +1,6 @@
/*@z26.c:Echo Service:BeginString()@******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z27.c b/z27.c
index 4785a6e..c97ca4b 100644
--- a/z27.c
+++ b/z27.c
@@ -1,6 +1,6 @@
/*@z27.c:Debug Service:Debug flags@*******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z28.c b/z28.c
index 85b4b41..b0b23e4 100644
--- a/z28.c
+++ b/z28.c
@@ -1,6 +1,6 @@
/*@z28.c:Error Service:ErrorInit(), ErrorSeen()@******************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z29.c b/z29.c
index 283ee7f..54147b8 100644
--- a/z29.c
+++ b/z29.c
@@ -1,6 +1,6 @@
/*@z29.c:Symbol Table:Declarations, hash()@***********************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z30.c b/z30.c
index 59cd591..4df2f88 100644
--- a/z30.c
+++ b/z30.c
@@ -1,6 +1,6 @@
/*@z30.c:Symbol uses:InsertUses()@********************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z31.c b/z31.c
index a3d8bda..727f3c7 100644
--- a/z31.c
+++ b/z31.c
@@ -1,6 +1,6 @@
/*@z31.c:Memory Allocator:DebugMemory()@**************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z32.c b/z32.c
index 98ae4ae..e7d67c7 100644
--- a/z32.c
+++ b/z32.c
@@ -1,6 +1,6 @@
/*@z32.c:Counter Service:Next()@**********************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z33.c b/z33.c
index be65fc4..fe51373 100644
--- a/z33.c
+++ b/z33.c
@@ -1,6 +1,6 @@
/*@z33.c:Database Service:OldCrossDb(), NewCrossDb(), SymToNum()@*************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z34.c b/z34.c
index 3d7e770..73dcef5 100644
--- a/z34.c
+++ b/z34.c
@@ -1,6 +1,6 @@
/*@z34.c:Rotation Service:Declarations@***************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z35.c b/z35.c
index b637cce..bd76b13 100644
--- a/z35.c
+++ b/z35.c
@@ -1,6 +1,6 @@
/*@z35.c:Time Keeper: MomentSym(), TimeString()@******************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z36.c b/z36.c
index 2f3f669..08b1c66 100644
--- a/z36.c
+++ b/z36.c
@@ -1,6 +1,6 @@
/*@z36.c:Hyphenation: Declarations@*******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z37.c b/z37.c
index b541475..14f2f94 100644
--- a/z37.c
+++ b/z37.c
@@ -1,6 +1,6 @@
/*@z37.c:Font Service:Declarations@*******************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z38.c b/z38.c
index e08f2c2..90d409a 100644
--- a/z38.c
+++ b/z38.c
@@ -1,6 +1,6 @@
/*@z38.c:Character Mappings:Declarations@*************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z39.c b/z39.c
index 6d86278..fe23f76 100644
--- a/z39.c
+++ b/z39.c
@@ -1,6 +1,6 @@
/*@z39.c:String Handler:AsciiToFull(), StringEqual(), etc.@*******************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z40.c b/z40.c
index 02cc61d..25ce6cb 100644
--- a/z40.c
+++ b/z40.c
@@ -1,6 +1,6 @@
/*@z40.c:Filter Handler:FilterInit()@*****************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
@@ -241,6 +241,7 @@ void FilterWrite(OBJECT x, FILE *fp, int *linecount)
void FilterScavenge(BOOLEAN all)
{ OBJECT y, link, nextlink;
+ ifdebug(DFH, D, return);
debug1(DFH, D, "FilterScavenge(%s)", bool(all));
for( link = Down(filter_active); link != filter_active; link = nextlink )
{ Child(y, link);
diff --git a/z41.c b/z41.c
index 3a3b68a..ae49cdf 100644
--- a/z41.c
+++ b/z41.c
@@ -1,6 +1,6 @@
/*@z41.c:Object Input-Output:AppendToFile, ReadFromFile@**********************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z42.c b/z42.c
index 046f8b2..889fd85 100644
--- a/z42.c
+++ b/z42.c
@@ -1,6 +1,6 @@
/*@z42.c:Colour Service:ColourChange, ColourCommand@**************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z43.c b/z43.c
index ca5562d..0b256d9 100644
--- a/z43.c
+++ b/z43.c
@@ -1,6 +1,6 @@
/*@z43.c:Language Service:LanguageChange, LanguageString@*********************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z44.c b/z44.c
index 1fff7a5..b20c42d 100644
--- a/z44.c
+++ b/z44.c
@@ -1,6 +1,6 @@
/*@z44.c:Vertical Hyphenation:VerticalHyphenate()@****************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z45.c b/z45.c
index 5a05897..698386b 100644
--- a/z45.c
+++ b/z45.c
@@ -1,6 +1,6 @@
/*@z45.c:External Sort:SortFile()@********************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z46.c b/z46.c
index 5a32d22..aeab315 100644
--- a/z46.c
+++ b/z46.c
@@ -1,6 +1,6 @@
/*@z46.c:Optimal Galleys:FindOptimize()@**************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z47.c b/z47.c
index fe2e0b9..d55349c 100644
--- a/z47.c
+++ b/z47.c
@@ -1,6 +1,6 @@
/*@z47.c:Environment Table:EnvReadRetrieve()@*********************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
diff --git a/z48.c b/z48.c
index 71e1e84..861394a 100644
--- a/z48.c
+++ b/z48.c
@@ -1,6 +1,6 @@
/*@z48.c:PDF back end@********************************************************/
/* */
-/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.19) */
+/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.20) */
/* COPYRIGHT (C) 1991, 2000 Jeffrey H. Kingston */
/* */
/* Jeffrey H. Kingston (jeff@cs.usyd.edu.au) */
generated by cgit (git 2.34.1) at 2024-09-19 23:48:43 +0000