static/highlight/es/languages/prolog.js

   1 /*! `prolog` grammar compiled for Highlight.js 11.11.1 */
   2 var hljsGrammar = (function () {
   3   'use strict';
   4
   5   /*
   6   Language: Prolog
   7   Description: Prolog is a general purpose logic programming language associated with artificial intelligence and computational linguistics.
   8   Author: Raivo Laanemets <raivo@infdot.com>
   9   Website: https://en.wikipedia.org/wiki/Prolog
  10   Category: functional
  11   */
  12
  13   function prolog(hljs) {
  14     const ATOM = {
  15
  16       begin: /[a-z][A-Za-z0-9_]*/,
  17       relevance: 0
  18     };
  19
  20     const VAR = {
  21
  22       className: 'symbol',
  23       variants: [
  24         { begin: /[A-Z][a-zA-Z0-9_]*/ },
  25         { begin: /_[A-Za-z0-9_]*/ }
  26       ],
  27       relevance: 0
  28     };
  29
  30     const PARENTED = {
  31
  32       begin: /\(/,
  33       end: /\)/,
  34       relevance: 0
  35     };
  36
  37     const LIST = {
  38
  39       begin: /\[/,
  40       end: /\]/
  41     };
  42
  43     const LINE_COMMENT = {
  44
  45       className: 'comment',
  46       begin: /%/,
  47       end: /$/,
  48       contains: [ hljs.PHRASAL_WORDS_MODE ]
  49     };
  50
  51     const BACKTICK_STRING = {
  52
  53       className: 'string',
  54       begin: /`/,
  55       end: /`/,
  56       contains: [ hljs.BACKSLASH_ESCAPE ]
  57     };
  58
  59     const CHAR_CODE = {
  60       className: 'string', // 0'a etc.
  61       begin: /0'(\\'|.)/
  62     };
  63
  64     const SPACE_CODE = {
  65       className: 'string',
  66       begin: /0'\\s/ // 0'\s
  67     };
  68
  69     const PRED_OP = { // relevance booster
  70       begin: /:-/ };
  71
  72     const inner = [
  73
  74       ATOM,
  75       VAR,
  76       PARENTED,
  77       PRED_OP,
  78       LIST,
  79       LINE_COMMENT,
  80       hljs.C_BLOCK_COMMENT_MODE,
  81       hljs.QUOTE_STRING_MODE,
  82       hljs.APOS_STRING_MODE,
  83       BACKTICK_STRING,
  84       CHAR_CODE,
  85       SPACE_CODE,
  86       hljs.C_NUMBER_MODE
  87     ];
  88
  89     PARENTED.contains = inner;
  90     LIST.contains = inner;
  91
  92     return {
  93       name: 'Prolog',
  94       contains: inner.concat([
  95         { // relevance booster
  96           begin: /\.$/ }
  97       ])
  98     };
  99   }
 100
 101   return prolog;
 102
 103 })();
 104 ;
 105 export default hljsGrammar;