Incs/codemirror/mode/octave/octave.js

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// CodeMirror, copyright (c) by Marijn Haverbeke and others
// Distributed under an MIT license: https://codemirror.net/LICENSE

(function(mod) {
  if (typeof exports == "object" && typeof module == "object") // CommonJS
    mod(require("../../lib/codemirror"));
  else if (typeof define == "function" && define.amd) // AMD
    define(["../../lib/codemirror"], mod);
  else // Plain browser env
    mod(CodeMirror);
})(function(CodeMirror) {
"use strict";

CodeMirror.defineMode("octave", function() {
  function wordRegexp(words) {
    return new RegExp("^((" + words.join(")|(") + "))\\b");
  }

  var singleOperators = new RegExp("^[\\+\\-\\*/&|\\^~<>!@'\\\\]");
  var singleDelimiters = new RegExp('^[\\(\\[\\{\\},:=;]');
  var doubleOperators = new RegExp("^((==)|(~=)|(<=)|(>=)|(<<)|(>>)|(\\.[\\+\\-\\*/\\^\\\\]))");
  var doubleDelimiters = new RegExp("^((!=)|(\\+=)|(\\-=)|(\\*=)|(/=)|(&=)|(\\|=)|(\\^=))");
  var tripleDelimiters = new RegExp("^((>>=)|(<<=))");
  var expressionEnd = new RegExp("^[\\]\\)]");
  var identifiers = new RegExp("^[_A-Za-z\xa1-\uffff][_A-Za-z0-9\xa1-\uffff]*");

  var builtins = wordRegexp([
    'error', 'eval', 'function', 'abs', 'acos', 'atan', 'asin', 'cos',
    'cosh', 'exp', 'log', 'prod', 'sum', 'log10', 'max', 'min', 'sign', 'sin', 'sinh',
    'sqrt', 'tan', 'reshape', 'break', 'zeros', 'default', 'margin', 'round', 'ones',
    'rand', 'syn', 'ceil', 'floor', 'size', 'clear', 'zeros', 'eye', 'mean', 'std', 'cov',
    'det', 'eig', 'inv', 'norm', 'rank', 'trace', 'expm', 'logm', 'sqrtm', 'linspace', 'plot',
    'title', 'xlabel', 'ylabel', 'legend', 'text', 'grid', 'meshgrid', 'mesh', 'num2str',
    'fft', 'ifft', 'arrayfun', 'cellfun', 'input', 'fliplr', 'flipud', 'ismember'
  ]);

  var keywords = wordRegexp([
    'return', 'case', 'switch', 'else', 'elseif', 'end', 'endif', 'endfunction',
    'if', 'otherwise', 'do', 'for', 'while', 'try', 'catch', 'classdef', 'properties', 'events',
    'methods', 'global', 'persistent', 'endfor', 'endwhile', 'printf', 'sprintf', 'disp', 'until',
    'continue', 'pkg'
  ]);


  // tokenizers
  function tokenTranspose(stream, state) {
    if (!stream.sol() && stream.peek() === '\'') {
      stream.next();
      state.tokenize = tokenBase;
      return 'operator';
    }
    state.tokenize = tokenBase;
    return tokenBase(stream, state);
  }


  function tokenComment(stream, state) {
    if (stream.match(/^.*%}/)) {
      state.tokenize = tokenBase;
      return 'comment';