/usr/share/gocode/src/github.com/alecthomas/chroma/lexers/c/csharp.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 | package c
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// CSharp lexer.
var CSharp = internal.Register(MustNewLexer(
&Config{
Name: "C#",
Aliases: []string{"csharp", "c#"},
Filenames: []string{"*.cs"},
MimeTypes: []string{"text/x-csharp"},
DotAll: true,
},
Rules{
"root": {
{`^\s*\[.*?\]`, NameAttribute, nil},
{`[^\S\n]+`, Text, nil},
{`\\\n`, Text, nil},
{`//.*?\n`, CommentSingle, nil},
{`/[*].*?[*]/`, CommentMultiline, nil},
{`\n`, Text, nil},
{`[~!%^&*()+=|\[\]:;,.<>/?-]`, Punctuation, nil},
{`[{}]`, Punctuation, nil},
{`@"(""|[^"])*"`, LiteralString, nil},
{`\$@?"(""|[^"])*"`, LiteralString, nil},
{`"(\\\\|\\"|[^"\n])*["\n]`, LiteralString, nil},
{`'\\.'|'[^\\]'`, LiteralStringChar, nil},
{`[0-9](\.[0-9]*)?([eE][+-][0-9]+)?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
{`#[ \t]*(if|endif|else|elif|define|undef|line|error|warning|region|endregion|pragma)\b.*?\n`, CommentPreproc, nil},
{`\b(extern)(\s+)(alias)\b`, ByGroups(Keyword, Text, Keyword), nil},
{`(abstract|as|async|await|base|break|by|case|catch|checked|const|continue|default|delegate|do|else|enum|event|explicit|extern|false|finally|fixed|for|foreach|goto|if|implicit|in|interface|internal|is|let|lock|new|null|on|operator|out|override|params|private|protected|public|readonly|ref|return|sealed|sizeof|stackalloc|static|switch|this|throw|true|try|typeof|unchecked|unsafe|virtual|void|while|get|set|new|partial|yield|add|remove|value|alias|ascending|descending|from|group|into|orderby|select|thenby|where|join|equals)\b`, Keyword, nil},
{`(global)(::)`, ByGroups(Keyword, Punctuation), nil},
{`(bool|byte|char|decimal|double|dynamic|float|int|long|object|sbyte|short|string|uint|ulong|ushort|var)\b\??`, KeywordType, nil},
{`(class|struct)(\s+)`, ByGroups(Keyword, Text), Push("class")},
{`(namespace|using)(\s+)`, ByGroups(Keyword, Text), Push("namespace")},
{`@?[_a-zA-Z]\w*`, Name, nil},
},
"class": {
{`@?[_a-zA-Z]\w*`, NameClass, Pop(1)},
Default(Pop(1)),
},
"namespace": {
{`(?=\()`, Text, Pop(1)},
{`(@?[_a-zA-Z]\w*|\.)+`, NameNamespace, Pop(1)},
},
},
))
|