/*
Language: Scilab
Author: Sylvestre Ledru <sylvestre.ledru@scilab-enterprises.com>
Origin: matlab.js
Description: Scilab is a port from Matlab
Category: scientific
*/

function(hljs) {

  var COMMON_CONTAINS = [
    hljs.C_NUMBER_MODE,
    {
      className: 'string',
      begin: '\'|\"', end: '\'|\"',
      contains: [hljs.BACKSLASH_ESCAPE, {begin: '\'\''}]
    }
  ];

  return {
    aliases: ['sci'],
    lexemes: /%?\w+/,
    keywords: {
      keyword: 'abort break case clear catch continue do elseif else endfunction end for function '+
        'global if pause return resume select try then while',
      literal:
        '%f %F %t %T %pi %eps %inf %nan %e %i %z %s',
      built_in: // Scilab has more than 2000 functions. Just list the most commons
       'abs and acos asin atan ceil cd chdir clearglobal cosh cos cumprod deff disp error '+
       'exec execstr exists exp eye gettext floor fprintf fread fsolve imag isdef isempty '+
       'isinfisnan isvector lasterror length load linspace list listfiles log10 log2 log '+
       'max min msprintf mclose mopen ones or pathconvert poly printf prod pwd rand real '+
       'round sinh sin size gsort sprintf sqrt strcat strcmps tring sum system tanh tan '+
       'type typename warning zeros matrix'
    },
    illegal: '("|#|/\\*|\\s+/\\w+)',
    contains: [
      {
        className: 'function',
        beginKeywords: 'function', end: '$',
        contains: [
          hljs.UNDERSCORE_TITLE_MODE,
          {
            className: 'params',
            begin: '\\(', end: '\\)'
          }
        ]
      },
      {
        begin: '[a-zA-Z_][a-zA-Z_0-9]*(\'+[\\.\']*|[\\.\']+)', end: '',
        relevance: 0
      },
      {
        begin: '\\[', end: '\\]\'*[\\.\']*',
        relevance: 0,
        contains: COMMON_CONTAINS
      },
      hljs.COMMENT('//', '$')
    ].concat(COMMON_CONTAINS)
  };
}
