/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/r/rexx.go is in golang-github-alecthomas-chroma-dev 0.4.0+git20180402.51d250f-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 | package r
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// Rexx lexer.
var Rexx = internal.Register(MustNewLexer(
&Config{
Name: "Rexx",
Aliases: []string{"rexx", "arexx"},
Filenames: []string{"*.rexx", "*.rex", "*.rx", "*.arexx"},
MimeTypes: []string{"text/x-rexx"},
NotMultiline: true,
CaseInsensitive: true,
},
Rules{
"root": {
{`\s`, TextWhitespace, nil},
{`/\*`, CommentMultiline, Push("comment")},
{`"`, LiteralString, Push("string_double")},
{`'`, LiteralString, Push("string_single")},
{`[0-9]+(\.[0-9]+)?(e[+-]?[0-9])?`, LiteralNumber, nil},
{`([a-z_]\w*)(\s*)(:)(\s*)(procedure)\b`, ByGroups(NameFunction, TextWhitespace, Operator, TextWhitespace, KeywordDeclaration), nil},
{`([a-z_]\w*)(\s*)(:)`, ByGroups(NameLabel, TextWhitespace, Operator), nil},
Include("function"),
Include("keyword"),
Include("operator"),
{`[a-z_]\w*`, Text, nil},
},
"function": {
{Words(``, `(\s*)(\()`, `abbrev`, `abs`, `address`, `arg`, `b2x`, `bitand`, `bitor`, `bitxor`, `c2d`, `c2x`, `center`, `charin`, `charout`, `chars`, `compare`, `condition`, `copies`, `d2c`, `d2x`, `datatype`, `date`, `delstr`, `delword`, `digits`, `errortext`, `form`, `format`, `fuzz`, `insert`, `lastpos`, `left`, `length`, `linein`, `lineout`, `lines`, `max`, `min`, `overlay`, `pos`, `queued`, `random`, `reverse`, `right`, `sign`, `sourceline`, `space`, `stream`, `strip`, `substr`, `subword`, `symbol`, `time`, `trace`, `translate`, `trunc`, `value`, `verify`, `word`, `wordindex`, `wordlength`, `wordpos`, `words`, `x2b`, `x2c`, `x2d`, `xrange`), ByGroups(NameBuiltin, TextWhitespace, Operator), nil},
},
"keyword": {
{`(address|arg|by|call|do|drop|else|end|exit|for|forever|if|interpret|iterate|leave|nop|numeric|off|on|options|parse|pull|push|queue|return|say|select|signal|to|then|trace|until|while)\b`, KeywordReserved, nil},
},
"operator": {
{`(-|//|/|\(|\)|\*\*|\*|\\<<|\\<|\\==|\\=|\\>>|\\>|\\|\|\||\||&&|&|%|\+|<<=|<<|<=|<>|<|==|=|><|>=|>>=|>>|>|¬<<|¬<|¬==|¬=|¬>>|¬>|¬|\.|,)`, Operator, nil},
},
"string_double": {
{`[^"\n]+`, LiteralString, nil},
{`""`, LiteralString, nil},
{`"`, LiteralString, Pop(1)},
{`\n`, Text, Pop(1)},
},
"string_single": {
{`[^\'\n]`, LiteralString, nil},
{`\'\'`, LiteralString, nil},
{`\'`, LiteralString, Pop(1)},
{`\n`, Text, Pop(1)},
},
"comment": {
{`[^*]+`, CommentMultiline, nil},
{`\*/`, CommentMultiline, Pop(1)},
{`\*`, CommentMultiline, nil},
},
},
))
|