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67 lines
2.1 KiB
67 lines
2.1 KiB
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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// Chaiscript lexer.
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var Chaiscript = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "ChaiScript",
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Aliases: []string{"chai", "chaiscript"},
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Filenames: []string{"*.chai"},
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MimeTypes: []string{"text/x-chaiscript", "application/x-chaiscript"},
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DotAll: true,
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},
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chaiscriptRules,
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))
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func chaiscriptRules() Rules {
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return Rules{
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"commentsandwhitespace": {
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{`\s+`, Text, nil},
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{`//.*?\n`, CommentSingle, nil},
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{`/\*.*?\*/`, CommentMultiline, nil},
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{`^\#.*?\n`, CommentSingle, nil},
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},
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"slashstartsregex": {
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Include("commentsandwhitespace"),
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{`/(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/([gim]+\b|\B)`, LiteralStringRegex, Pop(1)},
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{`(?=/)`, Text, Push("#pop", "badregex")},
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Default(Pop(1)),
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},
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"badregex": {
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{`\n`, Text, Pop(1)},
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},
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"root": {
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Include("commentsandwhitespace"),
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{`\n`, Text, nil},
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{`[^\S\n]+`, Text, nil},
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{`\+\+|--|~|&&|\?|:|\|\||\\(?=\n)|\.\.(<<|>>>?|==?|!=?|[-<>+*%&|^/])=?`, Operator, Push("slashstartsregex")},
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{`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
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{`[})\].]`, Punctuation, nil},
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{`[=+\-*/]`, Operator, nil},
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{`(for|in|while|do|break|return|continue|if|else|throw|try|catch)\b`, Keyword, Push("slashstartsregex")},
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{`(var)\b`, KeywordDeclaration, Push("slashstartsregex")},
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{`(attr|def|fun)\b`, KeywordReserved, nil},
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{`(true|false)\b`, KeywordConstant, nil},
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{`(eval|throw)\b`, NameBuiltin, nil},
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{"`\\S+`", NameBuiltin, nil},
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{`[$a-zA-Z_]\w*`, NameOther, nil},
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{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
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{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
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{`[0-9]+`, LiteralNumberInteger, nil},
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{`"`, LiteralStringDouble, Push("dqstring")},
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{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
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},
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"dqstring": {
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{`\$\{[^"}]+?\}`, LiteralStringInterpol, nil},
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{`\$`, LiteralStringDouble, nil},
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{`\\\\`, LiteralStringDouble, nil},
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{`\\"`, LiteralStringDouble, nil},
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{`[^\\"$]+`, LiteralStringDouble, nil},
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{`"`, LiteralStringDouble, Pop(1)},
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},
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}
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}
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