1package c
2
3import (
4 . "github.com/alecthomas/chroma" // nolint
5 "github.com/alecthomas/chroma/lexers/internal"
6)
7
8// CSharp lexer.
9var CSharp = internal.Register(MustNewLexer(
10 &Config{
11 Name: "C#",
12 Aliases: []string{"csharp", "c#"},
13 Filenames: []string{"*.cs"},
14 MimeTypes: []string{"text/x-csharp"},
15 DotAll: true,
16 EnsureNL: true,
17 },
18 Rules{
19 "root": {
20 {`^\s*\[.*?\]`, NameAttribute, nil},
21 {`[^\S\n]+`, Text, nil},
22 {`\\\n`, Text, nil},
23 {`//.*?\n`, CommentSingle, nil},
24 {`/[*].*?[*]/`, CommentMultiline, nil},
25 {`\n`, Text, nil},
26 {`[~!%^&*()+=|\[\]:;,.<>/?-]`, Punctuation, nil},
27 {`[{}]`, Punctuation, nil},
28 {`@"(""|[^"])*"`, LiteralString, nil},
29 {`\$@?"(""|[^"])*"`, LiteralString, nil},
30 {`"(\\\\|\\"|[^"\n])*["\n]`, LiteralString, nil},
31 {`'\\.'|'[^\\]'`, LiteralStringChar, nil},
32 {`[0-9](\.[0-9]*)?([eE][+-][0-9]+)?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
33 {`#[ \t]*(if|endif|else|elif|define|undef|line|error|warning|region|endregion|pragma)\b.*?\n`, CommentPreproc, nil},
34 {`\b(extern)(\s+)(alias)\b`, ByGroups(Keyword, Text, Keyword), nil},
35 {`(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},
36 {`(global)(::)`, ByGroups(Keyword, Punctuation), nil},
37 {`(bool|byte|char|decimal|double|dynamic|float|int|long|object|sbyte|short|string|uint|ulong|ushort|var)\b\??`, KeywordType, nil},
38 {`(class|struct)(\s+)`, ByGroups(Keyword, Text), Push("class")},
39 {`(namespace|using)(\s+)`, ByGroups(Keyword, Text), Push("namespace")},
40 {`@?[_a-zA-Z]\w*`, Name, nil},
41 },
42 "class": {
43 {`@?[_a-zA-Z]\w*`, NameClass, Pop(1)},
44 Default(Pop(1)),
45 },
46 "namespace": {
47 {`(?=\()`, Text, Pop(1)},
48 {`(@?[_a-zA-Z]\w*|\.)+`, NameNamespace, Pop(1)},
49 },
50 },
51))