l0bsterssg

node.js static responsive blog post generator
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prolog.js (1563B)

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