51 lines
2.8 KiB
Go
51 lines
2.8 KiB
Go
package p
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import (
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. "github.com/alecthomas/chroma" // nolint
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"github.com/alecthomas/chroma/lexers/internal"
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)
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// Postscript lexer.
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var Postscript = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "PostScript",
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Aliases: []string{"postscript", "postscr"},
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Filenames: []string{"*.ps", "*.eps"},
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MimeTypes: []string{"application/postscript"},
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},
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postscriptRules,
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))
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func postscriptRules() Rules {
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return Rules{
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"root": {
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{`^%!.+\n`, CommentPreproc, nil},
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{`%%.*\n`, CommentSpecial, nil},
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{`(^%.*\n){2,}`, CommentMultiline, nil},
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{`%.*\n`, CommentSingle, nil},
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{`\(`, LiteralString, Push("stringliteral")},
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{`[{}<>\[\]]`, Punctuation, nil},
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{`<[0-9A-Fa-f]+>(?=[()<>\[\]{}/%\s])`, LiteralNumberHex, nil},
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{`[0-9]+\#(\-|\+)?([0-9]+\.?|[0-9]*\.[0-9]+|[0-9]+\.[0-9]*)((e|E)[0-9]+)?(?=[()<>\[\]{}/%\s])`, LiteralNumberOct, nil},
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{`(\-|\+)?([0-9]+\.?|[0-9]*\.[0-9]+|[0-9]+\.[0-9]*)((e|E)[0-9]+)?(?=[()<>\[\]{}/%\s])`, LiteralNumberFloat, nil},
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{`(\-|\+)?[0-9]+(?=[()<>\[\]{}/%\s])`, LiteralNumberInteger, nil},
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{`\/[^()<>\[\]{}/%\s]+(?=[()<>\[\]{}/%\s])`, NameVariable, nil},
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{`[^()<>\[\]{}/%\s]+(?=[()<>\[\]{}/%\s])`, NameFunction, nil},
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{`(false|true)(?=[()<>\[\]{}/%\s])`, KeywordConstant, nil},
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{`(eq|ne|g[et]|l[et]|and|or|not|if(?:else)?|for(?:all)?)(?=[()<>\[\]{}/%\s])`, KeywordReserved, nil},
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{Words(``, `(?=[()<>\[\]{}/%\s])`, `abs`, `add`, `aload`, `arc`, `arcn`, `array`, `atan`, `begin`, `bind`, `ceiling`, `charpath`, `clip`, `closepath`, `concat`, `concatmatrix`, `copy`, `cos`, `currentlinewidth`, `currentmatrix`, `currentpoint`, `curveto`, `cvi`, `cvs`, `def`, `defaultmatrix`, `dict`, `dictstackoverflow`, `div`, `dtransform`, `dup`, `end`, `exch`, `exec`, `exit`, `exp`, `fill`, `findfont`, `floor`, `get`, `getinterval`, `grestore`, `gsave`, `gt`, `identmatrix`, `idiv`, `idtransform`, `index`, `invertmatrix`, `itransform`, `length`, `lineto`, `ln`, `load`, `log`, `loop`, `matrix`, `mod`, `moveto`, `mul`, `neg`, `newpath`, `pathforall`, `pathbbox`, `pop`, `print`, `pstack`, `put`, `quit`, `rand`, `rangecheck`, `rcurveto`, `repeat`, `restore`, `rlineto`, `rmoveto`, `roll`, `rotate`, `round`, `run`, `save`, `scale`, `scalefont`, `setdash`, `setfont`, `setgray`, `setlinecap`, `setlinejoin`, `setlinewidth`, `setmatrix`, `setrgbcolor`, `shfill`, `show`, `showpage`, `sin`, `sqrt`, `stack`, `stringwidth`, `stroke`, `strokepath`, `sub`, `syntaxerror`, `transform`, `translate`, `truncate`, `typecheck`, `undefined`, `undefinedfilename`, `undefinedresult`), NameBuiltin, nil},
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{`\s+`, Text, nil},
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},
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"stringliteral": {
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{`[^()\\]+`, LiteralString, nil},
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{`\\`, LiteralStringEscape, Push("escape")},
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{`\(`, LiteralString, Push()},
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{`\)`, LiteralString, Pop(1)},
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},
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"escape": {
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{`[0-8]{3}|n|r|t|b|f|\\|\(|\)`, LiteralStringEscape, Pop(1)},
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Default(Pop(1)),
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},
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}
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}
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