1package p
 2
 3import (
 4	. "github.com/alecthomas/chroma" // nolint
 5	"github.com/alecthomas/chroma/lexers/internal"
 6)
 7
 8// ProtocolBuffer lexer.
 9var ProtocolBuffer = internal.Register(MustNewLexer(
10	&Config{
11		Name:      "Protocol Buffer",
12		Aliases:   []string{"protobuf", "proto"},
13		Filenames: []string{"*.proto"},
14		MimeTypes: []string{},
15	},
16	Rules{
17		"root": {
18			{`[ \t]+`, Text, nil},
19			{`[,;{}\[\]()<>]`, Punctuation, nil},
20			{`/(\\\n)?/(\n|(.|\n)*?[^\\]\n)`, CommentSingle, nil},
21			{`/(\\\n)?\*(.|\n)*?\*(\\\n)?/`, CommentMultiline, nil},
22			{Words(`\b`, `\b`, `import`, `option`, `optional`, `required`, `repeated`, `default`, `packed`, `ctype`, `extensions`, `to`, `max`, `rpc`, `returns`, `oneof`), Keyword, nil},
23			{Words(``, `\b`, `int32`, `int64`, `uint32`, `uint64`, `sint32`, `sint64`, `fixed32`, `fixed64`, `sfixed32`, `sfixed64`, `float`, `double`, `bool`, `string`, `bytes`), KeywordType, nil},
24			{`(true|false)\b`, KeywordConstant, nil},
25			{`(package)(\s+)`, ByGroups(KeywordNamespace, Text), Push("package")},
26			{`(message|extend)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("message")},
27			{`(enum|group|service)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("type")},
28			{`\".*?\"`, LiteralString, nil},
29			{`\'.*?\'`, LiteralString, nil},
30			{`(\d+\.\d*|\.\d+|\d+)[eE][+-]?\d+[LlUu]*`, LiteralNumberFloat, nil},
31			{`(\d+\.\d*|\.\d+|\d+[fF])[fF]?`, LiteralNumberFloat, nil},
32			{`(\-?(inf|nan))\b`, LiteralNumberFloat, nil},
33			{`0x[0-9a-fA-F]+[LlUu]*`, LiteralNumberHex, nil},
34			{`0[0-7]+[LlUu]*`, LiteralNumberOct, nil},
35			{`\d+[LlUu]*`, LiteralNumberInteger, nil},
36			{`[+-=]`, Operator, nil},
37			{`([a-zA-Z_][\w.]*)([ \t]*)(=)`, ByGroups(Name, Text, Operator), nil},
38			{`[a-zA-Z_][\w.]*`, Name, nil},
39		},
40		"package": {
41			{`[a-zA-Z_]\w*`, NameNamespace, Pop(1)},
42			Default(Pop(1)),
43		},
44		"message": {
45			{`[a-zA-Z_]\w*`, NameClass, Pop(1)},
46			Default(Pop(1)),
47		},
48		"type": {
49			{`[a-zA-Z_]\w*`, Name, Pop(1)},
50			Default(Pop(1)),
51		},
52	},
53))