58 lines
2.0 KiB
Go
58 lines
2.0 KiB
Go
package p
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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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// ProtocolBuffer lexer.
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var ProtocolBuffer = internal.Register(MustNewLazyLexer(
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&Config{
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Name: "Protocol Buffer",
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Aliases: []string{"protobuf", "proto"},
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Filenames: []string{"*.proto"},
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MimeTypes: []string{},
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},
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protocolBufferRules,
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))
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func protocolBufferRules() Rules {
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return Rules{
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"root": {
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{`[ \t]+`, Text, nil},
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{`[,;{}\[\]()<>]`, Punctuation, nil},
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{`/(\\\n)?/(\n|(.|\n)*?[^\\]\n)`, CommentSingle, nil},
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{`/(\\\n)?\*(.|\n)*?\*(\\\n)?/`, CommentMultiline, nil},
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{Words(`\b`, `\b`, `import`, `option`, `optional`, `required`, `repeated`, `default`, `packed`, `ctype`, `extensions`, `to`, `max`, `rpc`, `returns`, `oneof`), Keyword, nil},
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{Words(``, `\b`, `int32`, `int64`, `uint32`, `uint64`, `sint32`, `sint64`, `fixed32`, `fixed64`, `sfixed32`, `sfixed64`, `float`, `double`, `bool`, `string`, `bytes`), KeywordType, nil},
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{`(true|false)\b`, KeywordConstant, nil},
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{`(package)(\s+)`, ByGroups(KeywordNamespace, Text), Push("package")},
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{`(message|extend)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("message")},
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{`(enum|group|service)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("type")},
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{`\".*?\"`, LiteralString, nil},
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{`\'.*?\'`, LiteralString, nil},
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{`(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*`, LiteralNumberFloat, nil},
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{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
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{`(\-?(inf|nan))\b`, LiteralNumberFloat, nil},
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{`0x[0-9a-fA-F]+[LlUu]*`, LiteralNumberHex, nil},
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{`0[0-7]+[LlUu]*`, LiteralNumberOct, nil},
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{`\d+[LlUu]*`, LiteralNumberInteger, nil},
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{`[+-=]`, Operator, nil},
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{`([a-zA-Z_][\w.]*)([ \t]*)(=)`, ByGroups(Name, Text, Operator), nil},
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{`[a-zA-Z_][\w.]*`, Name, nil},
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},
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"package": {
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{`[a-zA-Z_]\w*`, NameNamespace, Pop(1)},
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Default(Pop(1)),
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},
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"message": {
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{`[a-zA-Z_]\w*`, NameClass, Pop(1)},
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Default(Pop(1)),
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},
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"type": {
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{`[a-zA-Z_]\w*`, Name, Pop(1)},
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Default(Pop(1)),
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},
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}
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}
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