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77 lines
2.7 KiB
Go
77 lines
2.7 KiB
Go
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package d
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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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// Dylan lexer.
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var Dylan = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Dylan",
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Aliases: []string{"dylan"},
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Filenames: []string{"*.dylan", "*.dyl", "*.intr"},
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MimeTypes: []string{"text/x-dylan"},
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CaseInsensitive: true,
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},
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func() Rules {
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return Rules{
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"root": {
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{`\s+`, Whitespace, nil},
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{`//.*?\n`, CommentSingle, nil},
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{`([a-z0-9-]+:)([ \t]*)(.*(?:\n[ \t].+)*)`, ByGroups(NameAttribute, Whitespace, LiteralString), nil},
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Default(Push("code")),
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},
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"code": {
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{`\s+`, Whitespace, nil},
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{`//.*?\n`, CommentSingle, nil},
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{`/\*`, CommentMultiline, Push("comment")},
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{`"`, LiteralString, Push("string")},
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{`'(\\.|\\[0-7]{1,3}|\\x[a-f0-9]{1,2}|[^\\\'\n])'`, LiteralStringChar, nil},
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{`#b[01]+`, LiteralNumberBin, nil},
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{`#o[0-7]+`, LiteralNumberOct, nil},
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{`[-+]?(\d*\.\d+([ed][-+]?\d+)?|\d+(\.\d*)?e[-+]?\d+)`, LiteralNumberFloat, nil},
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{`[-+]?\d+`, LiteralNumberInteger, nil},
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{`#x[0-9a-f]+`, LiteralNumberHex, nil},
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{`(\?\\?)([\w!&*<>|^$%@+~?/=-]+)(:)(token|name|variable|expression|body|case-body|\*)`,
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ByGroups(Operator, NameVariable, Operator, NameBuiltin), nil},
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{`(\?)(:)(token|name|variable|expression|body|case-body|\*)`,
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ByGroups(Operator, Operator, NameVariable), nil},
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{`(\?\\?)([\w!&*<>|^$%@+~?/=-]+)`, ByGroups(Operator, NameVariable), nil},
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{`(=>|::|#\(|#\[|##|\?\?|\?=|\?|[(){}\[\],.;])`, Punctuation, nil},
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{`:=`, Operator, nil},
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{`#[tf]`, Literal, nil},
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{`#"`, LiteralStringSymbol, Push("symbol")},
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{`#[a-z0-9-]+`, Keyword, nil},
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{`#(all-keys|include|key|next|rest)`, Keyword, nil},
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{`[\w!&*<>|^$%@+~?/=-]+:`, KeywordConstant, nil},
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{`<[\w!&*<>|^$%@+~?/=-]+>`, NameClass, nil},
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{`\*[\w!&*<>|^$%@+~?/=-]+\*`, NameVariableGlobal, nil},
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{`\$[\w!&*<>|^$%@+~?/=-]+`, NameConstant, nil},
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{`(let|method|function)([ \t]+)([\w!&*<>|^$%@+~?/=-]+)`, ByGroups(NameBuiltin, Whitespace, NameVariable), nil},
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{`(error|signal|return|break)`, NameException, nil},
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{`(\\?)([\w!&*<>|^$%@+~?/=-]+)`, ByGroups(Operator, Name), nil},
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},
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"comment": {
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{`[^*/]`, CommentMultiline, nil},
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{`/\*`, CommentMultiline, Push()},
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{`\*/`, CommentMultiline, Pop(1)},
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{`[*/]`, CommentMultiline, nil},
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},
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"symbol": {
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{`"`, LiteralStringSymbol, Pop(1)},
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{`[^\\"]+`, LiteralStringSymbol, nil},
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},
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"string": {
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{`"`, LiteralString, Pop(1)},
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{`\\([\\abfnrtv"\']|x[a-f0-9]{2,4}|[0-7]{1,3})`, LiteralStringEscape, nil},
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{`[^\\"\n]+`, LiteralString, nil},
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{`\\\n`, LiteralString, nil},
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{`\\`, LiteralString, nil},
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},
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}
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},
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))
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