54 lines
2.3 KiB
Go
54 lines
2.3 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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// Twig lexer.
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var Twig = Register(MustNewLexer(
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&Config{
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Name: "Twig",
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Aliases: []string{"twig"},
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Filenames: []string{},
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MimeTypes: []string{"application/x-twig"},
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DotAll: true,
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},
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Rules{
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"root": {
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{`[^{]+`, Other, nil},
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{`\{\{`, CommentPreproc, Push("var")},
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{`\{\#.*?\#\}`, Comment, nil},
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{`(\{%)(-?\s*)(raw)(\s*-?)(%\})(.*?)(\{%)(-?\s*)(endraw)(\s*-?)(%\})`, ByGroups(CommentPreproc, Text, Keyword, Text, CommentPreproc, Other, CommentPreproc, Text, Keyword, Text, CommentPreproc), nil},
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{`(\{%)(-?\s*)(verbatim)(\s*-?)(%\})(.*?)(\{%)(-?\s*)(endverbatim)(\s*-?)(%\})`, ByGroups(CommentPreproc, Text, Keyword, Text, CommentPreproc, Other, CommentPreproc, Text, Keyword, Text, CommentPreproc), nil},
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{`(\{%)(-?\s*)(filter)(\s+)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)`, ByGroups(CommentPreproc, Text, Keyword, Text, NameFunction), Push("tag")},
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{`(\{%)(-?\s*)([a-zA-Z_]\w*)`, ByGroups(CommentPreproc, Text, Keyword), Push("tag")},
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{`\{`, Other, nil},
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},
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"varnames": {
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{`(\|)(\s*)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)`, ByGroups(Operator, Text, NameFunction), nil},
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{`(is)(\s+)(not)?(\s*)((?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*)`, ByGroups(Keyword, Text, Keyword, Text, NameFunction), nil},
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{`(?i)(true|false|none|null)\b`, KeywordPseudo, nil},
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{`(in|not|and|b-and|or|b-or|b-xor|isif|elseif|else|importconstant|defined|divisibleby|empty|even|iterable|odd|sameasmatches|starts\s+with|ends\s+with)\b`, Keyword, nil},
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{`(loop|block|parent)\b`, NameBuiltin, nil},
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{`(?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*`, NameVariable, nil},
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{`\.(?:[\\_a-z]|[^\x00-\x7f])(?:[\\\w-]|[^\x00-\x7f])*`, NameVariable, nil},
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{`\.[0-9]+`, LiteralNumber, nil},
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{`:?"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
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{`:?'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
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{`([{}()\[\]+\-*/,:~%]|\.\.|\?|:|\*\*|\/\/|!=|[><=]=?)`, Operator, 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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},
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"var": {
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{`\s+`, Text, nil},
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{`(-?)(\}\})`, ByGroups(Text, CommentPreproc), Pop(1)},
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Include("varnames"),
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},
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"tag": {
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{`\s+`, Text, nil},
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{`(-?)(%\})`, ByGroups(Text, CommentPreproc), Pop(1)},
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Include("varnames"),
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{`.`, Punctuation, nil},
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},
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},
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))
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