1package g
 2
 3import (
 4	. "github.com/alecthomas/chroma" // nolint
 5	"github.com/alecthomas/chroma/lexers/internal"
 6)
 7
 8// Groovy lexer.
 9var Groovy = internal.Register(MustNewLexer(
10	&Config{
11		Name:      "Groovy",
12		Aliases:   []string{"groovy"},
13		Filenames: []string{"*.groovy", "*.gradle"},
14		MimeTypes: []string{"text/x-groovy"},
15		DotAll:    true,
16	},
17	Rules{
18		"root": {
19			{`#!(.*?)$`, CommentPreproc, Push("base")},
20			Default(Push("base")),
21		},
22		"base": {
23			{`^(\s*(?:[a-zA-Z_][\w.\[\]]*\s+)+?)([a-zA-Z_]\w*)(\s*)(\()`, ByGroups(UsingSelf("root"), NameFunction, Text, Operator), nil},
24			{`[^\S\n]+`, Text, nil},
25			{`//.*?\n`, CommentSingle, nil},
26			{`/\*.*?\*/`, CommentMultiline, nil},
27			{`@[a-zA-Z_][\w.]*`, NameDecorator, nil},
28			{`(as|assert|break|case|catch|continue|default|do|else|finally|for|if|in|goto|instanceof|new|return|switch|this|throw|try|while|in|as)\b`, Keyword, nil},
29			{`(abstract|const|enum|extends|final|implements|native|private|protected|public|static|strictfp|super|synchronized|throws|transient|volatile)\b`, KeywordDeclaration, nil},
30			{`(def|boolean|byte|char|double|float|int|long|short|void)\b`, KeywordType, nil},
31			{`(package)(\s+)`, ByGroups(KeywordNamespace, Text), nil},
32			{`(true|false|null)\b`, KeywordConstant, nil},
33			{`(class|interface)(\s+)`, ByGroups(KeywordDeclaration, Text), Push("class")},
34			{`(import)(\s+)`, ByGroups(KeywordNamespace, Text), Push("import")},
35			{`""".*?"""`, LiteralStringDouble, nil},
36			{`'''.*?'''`, LiteralStringSingle, nil},
37			{`"(\\\\|\\"|[^"])*"`, LiteralStringDouble, nil},
38			{`'(\\\\|\\'|[^'])*'`, LiteralStringSingle, nil},
39			{`\$/((?!/\$).)*/\$`, LiteralString, nil},
40			{`/(\\\\|\\"|[^/])*/`, LiteralString, nil},
41			{`'\\.'|'[^\\]'|'\\u[0-9a-fA-F]{4}'`, LiteralStringChar, nil},
42			{`(\.)([a-zA-Z_]\w*)`, ByGroups(Operator, NameAttribute), nil},
43			{`[a-zA-Z_]\w*:`, NameLabel, nil},
44			{`[a-zA-Z_$]\w*`, Name, nil},
45			{`[~^*!%&\[\](){}<>|+=:;,./?-]`, Operator, nil},
46			{`[0-9][0-9]*\.[0-9]+([eE][0-9]+)?[fd]?`, LiteralNumberFloat, nil},
47			{`0x[0-9a-fA-F]+`, LiteralNumberHex, nil},
48			{`[0-9]+L?`, LiteralNumberInteger, nil},
49			{`\n`, Text, nil},
50		},
51		"class": {
52			{`[a-zA-Z_]\w*`, NameClass, Pop(1)},
53		},
54		"import": {
55			{`[\w.]+\*?`, NameNamespace, Pop(1)},
56		},
57	},
58))