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64 lines
2.6 KiB
64 lines
2.6 KiB
5 years ago
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package c
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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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// Ceylon lexer.
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var Ceylon = internal.Register(MustNewLexer(
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&Config{
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Name: "Ceylon",
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Aliases: []string{"ceylon"},
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Filenames: []string{"*.ceylon"},
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MimeTypes: []string{"text/x-ceylon"},
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DotAll: true,
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},
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Rules{
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"root": {
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{`^(\s*(?:[a-zA-Z_][\w.\[\]]*\s+)+?)([a-zA-Z_]\w*)(\s*)(\()`, ByGroups(UsingSelf("root"), NameFunction, Text, Operator), nil},
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{`[^\S\n]+`, Text, nil},
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{`//.*?\n`, CommentSingle, nil},
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{`/\*`, CommentMultiline, Push("comment")},
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{`(shared|abstract|formal|default|actual|variable|deprecated|small|late|literal|doc|by|see|throws|optional|license|tagged|final|native|annotation|sealed)\b`, NameDecorator, nil},
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{`(break|case|catch|continue|else|finally|for|in|if|return|switch|this|throw|try|while|is|exists|dynamic|nonempty|then|outer|assert|let)\b`, Keyword, nil},
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{`(abstracts|extends|satisfies|super|given|of|out|assign)\b`, KeywordDeclaration, nil},
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{`(function|value|void|new)\b`, KeywordType, nil},
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{`(assembly|module|package)(\s+)`, ByGroups(KeywordNamespace, Text), nil},
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{`(true|false|null)\b`, KeywordConstant, nil},
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{`(class|interface|object|alias)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("class")},
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{`(import)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import")},
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{`"(\\\\|\\"|[^"])*"`, LiteralString, nil},
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{`'\\.'|'[^\\]'|'\\\{#[0-9a-fA-F]{4}\}'`, LiteralStringChar, nil},
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{"\".*``.*``.*\"", LiteralStringInterpol, nil},
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{`(\.)([a-z_]\w*)`, ByGroups(Operator, NameAttribute), nil},
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{`[a-zA-Z_]\w*:`, NameLabel, nil},
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{`[a-zA-Z_]\w*`, Name, nil},
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{`[~^*!%&\[\](){}<>|+=:;,./?-]`, Operator, nil},
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{`\d{1,3}(_\d{3})+\.\d{1,3}(_\d{3})+[kMGTPmunpf]?`, LiteralNumberFloat, nil},
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{`\d{1,3}(_\d{3})+\.[0-9]+([eE][+-]?[0-9]+)?[kMGTPmunpf]?`, LiteralNumberFloat, nil},
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{`[0-9][0-9]*\.\d{1,3}(_\d{3})+[kMGTPmunpf]?`, LiteralNumberFloat, nil},
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{`[0-9][0-9]*\.[0-9]+([eE][+-]?[0-9]+)?[kMGTPmunpf]?`, LiteralNumberFloat, nil},
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{`#([0-9a-fA-F]{4})(_[0-9a-fA-F]{4})+`, LiteralNumberHex, nil},
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{`#[0-9a-fA-F]+`, LiteralNumberHex, nil},
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{`\$([01]{4})(_[01]{4})+`, LiteralNumberBin, nil},
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{`\$[01]+`, LiteralNumberBin, nil},
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{`\d{1,3}(_\d{3})+[kMGTP]?`, LiteralNumberInteger, nil},
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{`[0-9]+[kMGTP]?`, LiteralNumberInteger, nil},
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{`\n`, Text, nil},
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},
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"class": {
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{`[A-Za-z_]\w*`, NameClass, Pop(1)},
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},
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"import": {
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{`[a-z][\w.]*`, NameNamespace, Pop(1)},
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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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},
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))
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