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| /**
| * @param {string} value
| * @returns {RegExp}
| * */
|
| /**
| * @param {RegExp | string } re
| * @returns {string}
| */
| function source(re) {
| if (!re) return null;
| if (typeof re === "string") return re;
|
| return re.source;
| }
|
| /**
| * @param {RegExp | string } re
| * @returns {string}
| */
| function lookahead(re) {
| return concat('(?=', re, ')');
| }
|
| /**
| * @param {...(RegExp | string) } args
| * @returns {string}
| */
| function concat(...args) {
| const joined = args.map((x) => source(x)).join("");
| return joined;
| }
|
| /*
| Language: Groovy
| Author: Guillaume Laforge <glaforge@gmail.com>
| Description: Groovy programming language implementation inspired from Vsevolod's Java mode
| Website: https://groovy-lang.org
| */
|
| function variants(variants, obj = {}) {
| obj.variants = variants;
| return obj;
| }
|
| function groovy(hljs) {
| const IDENT_RE = '[A-Za-z0-9_$]+';
| const COMMENT = variants([
| hljs.C_LINE_COMMENT_MODE,
| hljs.C_BLOCK_COMMENT_MODE,
| hljs.COMMENT(
| '/\\*\\*',
| '\\*/',
| {
| relevance: 0,
| contains: [
| {
| // eat up @'s in emails to prevent them to be recognized as doctags
| begin: /\w+@/,
| relevance: 0
| },
| {
| className: 'doctag',
| begin: '@[A-Za-z]+'
| }
| ]
| }
| )
| ]);
| const REGEXP = {
| className: 'regexp',
| begin: /~?\/[^\/\n]+\//,
| contains: [ hljs.BACKSLASH_ESCAPE ]
| };
| const NUMBER = variants([
| hljs.BINARY_NUMBER_MODE,
| hljs.C_NUMBER_MODE
| ]);
| const STRING = variants([
| {
| begin: /"""/,
| end: /"""/
| },
| {
| begin: /'''/,
| end: /'''/
| },
| {
| begin: "\\$/",
| end: "/\\$",
| relevance: 10
| },
| hljs.APOS_STRING_MODE,
| hljs.QUOTE_STRING_MODE
| ],
| {
| className: "string"
| }
| );
|
| return {
| name: 'Groovy',
| keywords: {
| built_in: 'this super',
| literal: 'true false null',
| keyword:
| 'byte short char int long boolean float double void ' +
| // groovy specific keywords
| 'def as in assert trait ' +
| // common keywords with Java
| 'abstract static volatile transient public private protected synchronized final ' +
| 'class interface enum if else for while switch case break default continue ' +
| 'throw throws try catch finally implements extends new import package return instanceof'
| },
| contains: [
| hljs.SHEBANG({
| binary: "groovy",
| relevance: 10
| }),
| COMMENT,
| STRING,
| REGEXP,
| NUMBER,
| {
| className: 'class',
| beginKeywords: 'class interface trait enum',
| end: /\{/,
| illegal: ':',
| contains: [
| {
| beginKeywords: 'extends implements'
| },
| hljs.UNDERSCORE_TITLE_MODE
| ]
| },
| {
| className: 'meta',
| begin: '@[A-Za-z]+',
| relevance: 0
| },
| {
| // highlight map keys and named parameters as attrs
| className: 'attr',
| begin: IDENT_RE + '[ \t]*:',
| relevance: 0
| },
| {
| // catch middle element of the ternary operator
| // to avoid highlight it as a label, named parameter, or map key
| begin: /\?/,
| end: /:/,
| relevance: 0,
| contains: [
| COMMENT,
| STRING,
| REGEXP,
| NUMBER,
| 'self'
| ]
| },
| {
| // highlight labeled statements
| className: 'symbol',
| begin: '^[ \t]*' + lookahead(IDENT_RE + ':'),
| excludeBegin: true,
| end: IDENT_RE + ':',
| relevance: 0
| }
| ],
| illegal: /#|<\//
| };
| }
|
| module.exports = groovy;
|
|
