(function() {

if (!CodeMirror.modeURL) CodeMirror.modeURL = "../mode/%N/%N.js";

var loading = {};
function splitCallback(cont, n) {
  var countDown = n;
  return function() { if (--countDown == 0) cont(); };
}
function ensureDeps(mode, cont) {
  var deps = CodeMirror.modes[mode].dependencies;
  if (!deps) return cont();
  var missing = [];
  for (var i = 0; i < deps.length; ++i) {
    if (!CodeMirror.modes.hasOwnProperty(deps[i]))
      missing.push(deps[i]);
  }
  if (!missing.length) return cont();
  var split = splitCallback(cont, missing.length);
  for (var i = 0; i < missing.length; ++i)
    CodeMirror.requireMode(missing[i], split);
}

CodeMirror.requireMode = function(mode, cont) {
  if (typeof mode != "string") mode = mode.name;
  if (CodeMirror.modes.hasOwnProperty(mode)) return ensureDeps(mode, cont);
  if (loading.hasOwnProperty(mode)) return loading[mode].push(cont);

  var script = document.createElement("script");
  script.src = CodeMirror.modeURL.replace(/%N/g, mode);
  var others = document.getElementsByTagName("script")[0];
  others.parentNode.insertBefore(script, others);
  var list = loading[mode] = [cont];
  var count = 0, poll = setInterval(function() {
    if (++count > 100) return clearInterval(poll);
    if (CodeMirror.modes.hasOwnProperty(mode)) {
      clearInterval(poll);
      loading[mode] = null;
      ensureDeps(mode, function() {
        for (var i = 0; i < list.length; ++i) list[i]();
      });
    }
  }, 200);
};

CodeMirror.autoLoadMode = function(instance, mode) {
  if (!CodeMirror.modes.hasOwnProperty(mode))
    CodeMirror.requireMode(mode, function() {
      instance.setOption("mode", instance.getOption("mode"));
    });
};

}());