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Diffstat (limited to 'include/perlf')
| -rw-r--r-- | include/perlf | 354 |
1 files changed, 354 insertions, 0 deletions
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 |