/*@z27.c:Debug Service:Debug flags@*******************************************/
/* */
/* THE LOUT DOCUMENT FORMATTING SYSTEM (VERSION 3.18) */
/* COPYRIGHT (C) 1991, 2000 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 2, 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., 59 Temple Place, Suite 330, Boston MA 02111-1307 USA */
/* */
/* FILE: z27.c */
/* MODULE: Debug Service */
/* EXTERNS: dbg[], DebugInit(), Debug() */
/* ProfileOn(), ProfileOff(), ProfilePrint() */
/* */
/*****************************************************************************/
#include "externs.h"
#if DEBUG_ON
struct dbs dbg[] = {
{"zz", {0, 0, 0}}, /* - unused - */
{"sp", {0, 0, 0}}, /* Supervise */
{"la", {0, 0, 0}}, /* Lexical Analyser */
{"fs", {0, 0, 0}}, /* File Service */
{"ts", {0, 0, 0}}, /* Token Service */
{"rd", {0, 0, 0}}, /* Read Definitions */
{"op", {0, 0, 0}}, /* Object Parser */
{"os", {0, 0, 0}}, /* Object Service */
{"om", {0, 0, 0}}, /* Object Manifest */
{"ce", {0, 0, 0}}, /* Closure Expansion */
{"cr", {0, 0, 0}}, /* Cross References */
{"ss", {0, 0, 0}}, /* Style Service */
{"sf", {0, 0, 0}}, /* Size Finder */
{"ob", {0, 0, 0}}, /* Object Breaking */
{"of", {0, 0, 0}}, /* Object Filling */
{"sc", {0, 0, 0}}, /* Size Constraints */
{"sa", {0, 0, 0}}, /* Size Adjustments */
{"gw", {0, 0, 0}}, /* Gap Widths */
{"gt", {0, 0, 0}}, /* Galley Transfer */
{"ga", {0, 0, 0}}, /* Galley Attaching */
{"gf", {0, 0, 0}}, /* Galley Flusher */
{"gm", {0, 0, 0}}, /* Galley Maker */
{"gs", {0, 0, 0}}, /* Galley Service */
{"gp", {0, 0, 0}}, /* Galley Printer */
{"ps", {0, 0, 0}}, /* Print Service */
{"oe", {0, 0, 0}}, /* Object Echo */
{"es", {0, 0, 0}}, /* Echo Service */
{"zz", {0, 0, 0}}, /* Debug Service (unused) */
{"yy", {0, 0, 0}}, /* Error Service */
{"st", {0, 0, 0}}, /* Symbol Table */
{"su", {0, 0, 0}}, /* Symbol Uses */
{"ma", {0, 0, 0}}, /* Memory Allocator */
{"cs", {0, 0, 0}}, /* Counter Service */
{"bs", {0, 0, 0}}, /* Database Service */
{"rs", {0, 0, 0}}, /* Rotation Service */
{"tk", {0, 0, 0}}, /* Time Keeper */
{"hy", {0, 0, 0}}, /* Hyphenation */
{"ft", {0, 0, 0}}, /* Font Tables */
{"cm", {0, 0, 0}}, /* Character Mappings */
{"sh", {0, 0, 0}}, /* String Handler */
{"fh", {0, 0, 0}}, /* Filter Handler */
{"io", {0, 0, 0}}, /* Object Input-Output */
{"co", {0, 0, 0}}, /* Colour Service */
{"ls", {0, 0, 0}}, /* Language Service */
{"vh", {0, 0, 0}}, /* Vertical Hyphenation */
{"ex", {0, 0, 0}}, /* External Sort */
{"og", {0, 0, 0}}, /* Optimal Galleys */
{"et", {0, 0, 0}}, /* Environment Table */
{"pd", {0, 0, 0}}, /* PDF Back End */
{"pp", {0, 0, 0}}, /* Profiling */
{"", {0, 0, 0}}, /* any */
};
/*@::DebugInit(), Debug()@****************************************************/
/* */
/* DebugInit(str) */
/* */
/* Turn on the debug flag given by str. */
/* */
/*****************************************************************************/
void DebugInit(FULL_CHAR *str)
{ int j, urg;
for( urg = 0; urg < 2 && str[urg+2] == CH_FLAG_DEBUG; urg++ );
for( j = 1; ; j++ )
{ if( StringEqual(AsciiToFull(dbg[j].flag), &str[urg+2]) ) break;
if( StringEqual(AsciiToFull(dbg[j].flag), STR_EMPTY) )
Error(27, 1, "unknown debug flag %s", FATAL, no_fpos, str);
}
for( ; urg >= 0; urg-- ) dbg[j].on[urg] = dbg[ANY].on[urg] = TRUE;
} /* end DebugInit */
/*****************************************************************************/
/* */
/* Debug(category, urgency, str, ...) */
/* */
/* Print str on debug output, if the flag corresponding to the given */
/* debug category and urgency is on. */
/* */
/*****************************************************************************/
void Debug(int category, int urgency, char *str, ...)
{ static BOOLEAN first_message = TRUE;
va_list ap;
if( first_message )
{ fprintf(stderr, "\nLout Debug Output:\n");
first_message = FALSE;
}
fprintf(stderr, "%2s: ", dbg[category].flag);
va_start(ap, str);
vfprintf(stderr, str, ap);
va_end(ap);
fprintf(stderr, "\n");
fflush(stderr);
} /* end Debug */
/*@::ProfileOn(), ProfileOff(), ProfilePrint()@*******************************/
/* */
/* ProfileOn(str) */
/* */
/* Start profiling label str. */
/* */
/*****************************************************************************/
#define MAXPROF 20
#include <time.h>
struct profrec
{ char *label; /* label of the profile */
int calls; /* number of calls with this label */
long time; /* total time of this label */
};
static struct profrec profstack[MAXPROF];
static struct profrec profstore[MAXPROF];
static int proftop = 0, profsize = 0;
void ProfileOn(char *str)
{ int i; time_t raw_time;
for( i = 0; i < proftop; i++ )
{ if( strcmp(profstack[i].label, str) == 0 )
{ for( i = 0; i < proftop; i++ )
fprintf(stderr, "profstack[%d] = %s\n", i, profstack[i].label);
assert1(FALSE, "ProfileOn: restarted", str);
}
}
assert(proftop < MAXPROF, "ProfileOn: overflow");
time(&raw_time); profstack[proftop].label = str;
profstack[proftop++].time = raw_time;
} /* end ProfileOn */
/*****************************************************************************/
/* */
/* ProfileOff(str) */
/* */
/* Stop profiling label str. */
/* */
/*****************************************************************************/
void ProfileOff(char *str)
{ int i; time_t raw_time;
assert1(proftop > 0 && strcmp(profstack[proftop-1].label, str) == 0,
"ProfileOff: not current", str);
for( i = 0; i < profsize && strcmp(profstore[i].label, str) != 0; i++ );
if( i >= profsize )
{ profsize++;
assert(profsize < MAXPROF, "ProfileOff: overflow");
profstore[i].label = str;
profstore[i].calls = 0;
profstore[i].time = 0;
}
time(&raw_time); profstore[i].calls += 1;
profstore[i].time += (raw_time - profstack[--proftop].time);
} /* end ProfileOff */
/*****************************************************************************/
/* */
/* ProfilePrint() */
/* */
/* Print results of profiling. */
/* */
/*****************************************************************************/
void ProfilePrint(void)
{ int i;
for( i = 0; i < profsize; i++ )
{ fprintf(stderr, "Profile %-20s %6ld secs, %3d calls, %6.2f secs/call\n",
profstore[i].label, profstore[i].time, profstore[i].calls,
(float) profstore[i].time / profstore[i].calls );
}
} /* end ProfilePrint */
#endif
