forgejo-federation/vendor/github.com/alecthomas/chroma/lexers/c/csharp.go

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package c
import (
. "github.com/alecthomas/chroma" // nolint
"github.com/alecthomas/chroma/lexers/internal"
)
// CSharp lexer.
var CSharp = internal.Register(MustNewLazyLexer(
&Config{
Name: "C#",
Aliases: []string{"csharp", "c#"},
Filenames: []string{"*.cs"},
MimeTypes: []string{"text/x-csharp"},
DotAll: true,
EnsureNL: true,
},
cSharpRules,
))
func cSharpRules() Rules {
return 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[xX][0-9a-fA-F]+[Ll]?|[0-9_](\.[0-9]*)?([eE][+-]?[0-9]+)?[flFLdD]?`, 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)},
},
}
}