refractor/lang/sas.js

Lightweight, robust, elegant virtual syntax highlighting using Prism

'use strict';

module.exports = sas;
sas.displayName = 'sas';
sas.aliases = [];
function sas(Prism) {
  Prism.languages.sas = {
    datalines: {
      pattern: /^\s*(?:(?:data)?lines|cards);[\s\S]+?(?:\r?\n|\r);/im,
      alias: 'string',
      inside: {
        keyword: {
          pattern: /^(\s*)(?:(?:data)?lines|cards)/i,
          lookbehind: true
        },
        punctuation: /;/
      }
    },
    comment: [
      {
        pattern: /(^\s*|;\s*)\*.*;/m,
        lookbehind: true
      },
      /\/\*[\s\S]+?\*\//
    ],
    datetime: {
      // '1jan2013'd, '9:25:19pm't, '18jan2003:9:27:05am'dt
      pattern: /'[^']+'(?:dt?|t)\b/i,
      alias: 'number'
    },
    string: {
      pattern: /(["'])(?:\1\1|(?!\1)[\s\S])*\1/,
      greedy: true
    },
    keyword: /\b(?:data|else|format|if|input|proc\s\w+|quit|run|then)\b/i,
    // Decimal (1.2e23), hexadecimal (0c1x)
    number: /(?:\B-|\b)(?:[\da-f]+x|\d+(?:\.\d+)?(?:e[+-]?\d+)?)/i,
    operator: /\*\*?|\|\|?|!!?|¦¦?|<[>=]?|>[<=]?|[-+\/=&]|[~¬^]=?|\b(?:eq|ne|gt|lt|ge|le|in|not)\b/i,
    punctuation: /[$%@.(){}\[\];,\\]/
  };
}