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43 lines
1.2 KiB
Go
43 lines
1.2 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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// TableGen lexer.
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var Tablegen = internal.Register(MustNewLexer(
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&Config{
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Name: "TableGen",
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Aliases: []string{"tablegen"},
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Filenames: []string{"*.td"},
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MimeTypes: []string{"text/x-tablegen"},
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},
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Rules{
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"root": {
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Include("macro"),
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Include("whitespace"),
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{`c?"[^"]*?"`, LiteralString, nil},
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Include("keyword"),
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{`\$[_a-zA-Z][_\w]*`, NameVariable, nil},
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{`\d*[_a-zA-Z][_\w]*`, NameVariable, nil},
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{`\[\{[\w\W]*?\}\]`, LiteralString, nil},
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{`[+-]?\d+|0x[\da-fA-F]+|0b[01]+`, LiteralNumber, nil},
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{`[=<>{}\[\]()*.,!:;]`, Punctuation, nil},
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},
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"macro": {
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{`(#include\s+)("[^"]*")`, ByGroups(CommentPreproc, LiteralString), nil},
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{`^\s*#(ifdef|ifndef)\s+[_\w][_\w\d]*`, CommentPreproc, nil},
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{`^\s*#define\s+[_\w][_\w\d]*`, CommentPreproc, nil},
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{`^\s*#endif`, CommentPreproc, nil},
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},
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"whitespace": {
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{`(\n|\s)+`, Text, nil},
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{`//.*?\n`, Comment, nil},
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},
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"keyword": {
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{Words(``, `\b`, `bit`, `bits`, `class`, `code`, `dag`, `def`, `defm`, `field`, `foreach`, `in`, `int`, `let`, `list`, `multiclass`, `string`), Keyword, nil},
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},
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},
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))
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