91 lines
3.3 KiB
Go
91 lines
3.3 KiB
Go
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package lexers
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import (
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. "github.com/alecthomas/chroma" // nolint
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)
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// Coffeescript lexer.
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var Coffeescript = Register(MustNewLexer(
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&Config{
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Name: "CoffeeScript",
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Aliases: []string{"coffee-script", "coffeescript", "coffee"},
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Filenames: []string{"*.coffee"},
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MimeTypes: []string{"text/coffeescript"},
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NotMultiline: true,
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DotAll: true,
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},
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Rules{
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"commentsandwhitespace": {
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{`\s+`, Text, nil},
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{`###[^#].*?###`, CommentMultiline, nil},
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{`#(?!##[^#]).*?\n`, CommentSingle, nil},
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},
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"multilineregex": {
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{`[^/#]+`, LiteralStringRegex, nil},
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{`///([gim]+\b|\B)`, LiteralStringRegex, Pop(1)},
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{`#\{`, LiteralStringInterpol, Push("interpoling_string")},
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{`[/#]`, LiteralStringRegex, nil},
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},
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"slashstartsregex": {
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Include("commentsandwhitespace"),
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{`///`, LiteralStringRegex, Push("#pop", "multilineregex")},
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{`/(?! )(\\.|[^[/\\\n]|\[(\\.|[^\]\\\n])*])+/([gim]+\b|\B)`, LiteralStringRegex, Pop(1)},
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{`/`, Operator, nil},
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Default(Pop(1)),
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},
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"root": {
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Include("commentsandwhitespace"),
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{`^(?=\s|/)`, Text, Push("slashstartsregex")},
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{"\\+\\+|~|&&|\\band\\b|\\bor\\b|\\bis\\b|\\bisnt\\b|\\bnot\\b|\\?|:|\\|\\||\\\\(?=\\n)|(<<|>>>?|==?(?!>)|!=?|=(?!>)|-(?!>)|[<>+*`%&\\|\\^/])=?", Operator, Push("slashstartsregex")},
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{`(?:\([^()]*\))?\s*[=-]>`, NameFunction, Push("slashstartsregex")},
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{`[{(\[;,]`, Punctuation, Push("slashstartsregex")},
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{`[})\].]`, Punctuation, nil},
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{`(?<![.$])(for|own|in|of|while|until|loop|break|return|continue|switch|when|then|if|unless|else|throw|try|catch|finally|new|delete|typeof|instanceof|super|extends|this|class|by)\b`, Keyword, Push("slashstartsregex")},
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{`(?<![.$])(true|false|yes|no|on|off|null|NaN|Infinity|undefined)\b`, KeywordConstant, nil},
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{`(Array|Boolean|Date|Error|Function|Math|netscape|Number|Object|Packages|RegExp|String|sun|decodeURI|decodeURIComponent|encodeURI|encodeURIComponent|eval|isFinite|isNaN|parseFloat|parseInt|document|window)\b`, NameBuiltin, nil},
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{`[$a-zA-Z_][\w.:$]*\s*[:=]\s`, NameVariable, Push("slashstartsregex")},
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{`@[$a-zA-Z_][\w.:$]*\s*[:=]\s`, NameVariableInstance, Push("slashstartsregex")},
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{`@`, NameOther, Push("slashstartsregex")},
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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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{`"""`, LiteralString, Push("tdqs")},
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{`'''`, LiteralString, Push("tsqs")},
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{`"`, LiteralString, Push("dqs")},
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{`'`, LiteralString, Push("sqs")},
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},
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"strings": {
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{`[^#\\\'"]+`, LiteralString, nil},
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},
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"interpoling_string": {
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{`\}`, LiteralStringInterpol, Pop(1)},
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Include("root"),
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},
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"dqs": {
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{`"`, LiteralString, Pop(1)},
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{`\\.|\'`, LiteralString, nil},
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{`#\{`, LiteralStringInterpol, Push("interpoling_string")},
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{`#`, LiteralString, nil},
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Include("strings"),
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},
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"sqs": {
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{`'`, LiteralString, Pop(1)},
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{`#|\\.|"`, LiteralString, nil},
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Include("strings"),
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},
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"tdqs": {
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{`"""`, LiteralString, Pop(1)},
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{`\\.|\'|"`, LiteralString, nil},
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{`#\{`, LiteralStringInterpol, Push("interpoling_string")},
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{`#`, LiteralString, nil},
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Include("strings"),
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},
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"tsqs": {
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{`'''`, LiteralString, Pop(1)},
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{`#|\\.|\'|"`, LiteralString, nil},
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Include("strings"),
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},
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},
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))
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