forked from Shiloh/githaven
68 lines
2.6 KiB
Go
68 lines
2.6 KiB
Go
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package t
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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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// Turtle lexer.
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var Turtle = internal.Register(MustNewLexer(
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&Config{
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Name: "Turtle",
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Aliases: []string{"turtle"},
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Filenames: []string{"*.ttl"},
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MimeTypes: []string{"text/turtle", "application/x-turtle"},
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NotMultiline: true,
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CaseInsensitive: true,
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},
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Rules{
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"root": {
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{`\s+`, TextWhitespace, nil},
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{"(@base|BASE)(\\s+)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)(\\s*)(\\.?)", ByGroups(Keyword, TextWhitespace, NameVariable, TextWhitespace, Punctuation), nil},
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{"(@prefix|PREFIX)(\\s+)((?:[a-z][\\w-]*)?\\:)(\\s+)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)(\\s*)(\\.?)", ByGroups(Keyword, TextWhitespace, NameNamespace, TextWhitespace, NameVariable, TextWhitespace, Punctuation), nil},
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{`(?<=\s)a(?=\s)`, KeywordType, nil},
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{"(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)", NameVariable, nil},
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{`((?:[a-z][\w-]*)?\:)([a-z][\w-]*)`, ByGroups(NameNamespace, NameTag), nil},
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{`#[^\n]+`, Comment, nil},
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{`\b(true|false)\b`, Literal, nil},
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{`[+\-]?\d*\.\d+`, LiteralNumberFloat, nil},
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{`[+\-]?\d*(:?\.\d+)?E[+\-]?\d+`, LiteralNumberFloat, nil},
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{`[+\-]?\d+`, LiteralNumberInteger, nil},
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{`[\[\](){}.;,:^]`, Punctuation, nil},
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{`"""`, LiteralString, Push("triple-double-quoted-string")},
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{`"`, LiteralString, Push("single-double-quoted-string")},
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{`'''`, LiteralString, Push("triple-single-quoted-string")},
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{`'`, LiteralString, Push("single-single-quoted-string")},
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},
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"triple-double-quoted-string": {
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{`"""`, LiteralString, Push("end-of-string")},
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{`[^\\]+`, LiteralString, nil},
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{`\\`, LiteralString, Push("string-escape")},
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},
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"single-double-quoted-string": {
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{`"`, LiteralString, Push("end-of-string")},
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{`[^"\\\n]+`, LiteralString, nil},
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{`\\`, LiteralString, Push("string-escape")},
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},
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"triple-single-quoted-string": {
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{`'''`, LiteralString, Push("end-of-string")},
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{`[^\\]+`, LiteralString, nil},
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{`\\`, LiteralString, Push("string-escape")},
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},
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"single-single-quoted-string": {
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{`'`, LiteralString, Push("end-of-string")},
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{`[^'\\\n]+`, LiteralString, nil},
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{`\\`, LiteralString, Push("string-escape")},
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},
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"string-escape": {
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{`.`, LiteralString, Pop(1)},
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},
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"end-of-string": {
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{`(@)([a-z]+(:?-[a-z0-9]+)*)`, ByGroups(Operator, GenericEmph, GenericEmph), Pop(2)},
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{"(\\^\\^)(<[^<>\"{}|^`\\\\\\x00-\\x20]*>)", ByGroups(Operator, GenericEmph), Pop(2)},
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{`(\^\^)((?:[a-z][\w-]*)?\:)([a-z][\w-]*)`, ByGroups(Operator, GenericEmph, GenericEmph), Pop(2)},
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Default(Pop(2)),
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},
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},
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))
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