52 lines
2.2 KiB
Go
52 lines
2.2 KiB
Go
package c
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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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// CSharp lexer.
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var CSharp = internal.Register(MustNewLexer(
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&Config{
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Name: "C#",
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Aliases: []string{"csharp", "c#"},
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Filenames: []string{"*.cs"},
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MimeTypes: []string{"text/x-csharp"},
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DotAll: true,
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EnsureNL: true,
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},
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Rules{
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"root": {
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{`^\s*\[.*?\]`, NameAttribute, nil},
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{`[^\S\n]+`, Text, nil},
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{`\\\n`, Text, nil},
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{`//.*?\n`, CommentSingle, nil},
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{`/[*].*?[*]/`, CommentMultiline, nil},
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{`\n`, Text, nil},
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{`[~!%^&*()+=|\[\]:;,.<>/?-]`, Punctuation, nil},
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{`[{}]`, Punctuation, nil},
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{`@"(""|[^"])*"`, LiteralString, nil},
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{`\$@?"(""|[^"])*"`, LiteralString, nil},
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{`"(\\\\|\\"|[^"\n])*["\n]`, LiteralString, nil},
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{`'\\.'|'[^\\]'`, LiteralStringChar, nil},
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{`[0-9](\.[0-9]*)?([eE][+-][0-9]+)?[flFLdD]?|0[xX][0-9a-fA-F]+[Ll]?`, LiteralNumber, nil},
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{`#[ \t]*(if|endif|else|elif|define|undef|line|error|warning|region|endregion|pragma)\b.*?\n`, CommentPreproc, nil},
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{`\b(extern)(\s+)(alias)\b`, ByGroups(Keyword, Text, Keyword), nil},
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{`(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},
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{`(global)(::)`, ByGroups(Keyword, Punctuation), nil},
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{`(bool|byte|char|decimal|double|dynamic|float|int|long|object|sbyte|short|string|uint|ulong|ushort|var)\b\??`, KeywordType, nil},
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{`(class|struct)(\s+)`, ByGroups(Keyword, Text), Push("class")},
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{`(namespace|using)(\s+)`, ByGroups(Keyword, Text), Push("namespace")},
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{`@?[_a-zA-Z]\w*`, Name, nil},
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},
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"class": {
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{`@?[_a-zA-Z]\w*`, NameClass, Pop(1)},
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Default(Pop(1)),
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},
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"namespace": {
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{`(?=\()`, Text, Pop(1)},
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{`(@?[_a-zA-Z]\w*|\.)+`, NameNamespace, Pop(1)},
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},
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},
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))
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