cheat/vendor/github.com/alecthomas/chroma/lexers/p/protobuf.go

58 lines
2.0 KiB
Go

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