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41 lines
1.2 KiB
41 lines
1.2 KiB
4 years ago
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package i
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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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// Io lexer.
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var Io = internal.Register(MustNewLexer(
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&Config{
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Name: "Io",
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Aliases: []string{"io"},
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Filenames: []string{"*.io"},
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MimeTypes: []string{"text/x-iosrc"},
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},
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Rules{
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"root": {
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{`\n`, Text, nil},
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{`\s+`, Text, nil},
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{`//(.*?)\n`, CommentSingle, nil},
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{`#(.*?)\n`, CommentSingle, nil},
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{`/(\\\n)?[*](.|\n)*?[*](\\\n)?/`, CommentMultiline, nil},
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{`/\+`, CommentMultiline, Push("nestedcomment")},
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{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
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{`::=|:=|=|\(|\)|;|,|\*|-|\+|>|<|@|!|/|\||\^|\.|%|&|\[|\]|\{|\}`, Operator, nil},
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{`(clone|do|doFile|doString|method|for|if|else|elseif|then)\b`, Keyword, nil},
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{`(nil|false|true)\b`, NameConstant, nil},
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{`(Object|list|List|Map|args|Sequence|Coroutine|File)\b`, NameBuiltin, nil},
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{`[a-zA-Z_]\w*`, Name, nil},
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{`(\d+\.?\d*|\d*\.\d+)([eE][+-]?[0-9]+)?`, LiteralNumberFloat, nil},
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{`\d+`, LiteralNumberInteger, nil},
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},
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"nestedcomment": {
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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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},
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))
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