Function scopeManager

assets/etcdkeeper/framework/ace/worker-javascript.js:10168–10801

(state, predefined, exported, declared)

var events = _dereq_("events");
var marker = {};
var scopeManager = function(state, predefined, exported, declared) {

  var _current;
  var _scopeStack = [];

  function _newScope(type) {
    _current = {
      "(labels)": Object.create(null),
      "(usages)": Object.create(null),
      "(breakLabels)": Object.create(null),
      "(parent)": _current,
      "(type)": type,
      "(params)": (type === "functionparams" || type === "catchparams") ? [] : null
    };
    _scopeStack.push(_current);
  }

  _newScope("global");
  _current["(predefined)"] = predefined;

  var _currentFunctBody = _current; // this is the block after the params = function

  var usedPredefinedAndGlobals = Object.create(null);
  var impliedGlobals = Object.create(null);
  var unuseds = [];
  var emitter = new events.EventEmitter();

  function warning(code, token) {
    emitter.emit("warning", {
      code: code,
      token: token,
      data: _.slice(arguments, 2)
    });
  }

  function error(code, token) {
    emitter.emit("warning", {
      code: code,
      token: token,
      data: _.slice(arguments, 2)
    });
  }

  function _setupUsages(labelName) {
    if (!_current["(usages)"][labelName]) {
      _current["(usages)"][labelName] = {
        "(modified)": [],
        "(reassigned)": [],
        "(tokens)": []
      };
    }
  }

  var _getUnusedOption = function(unused_opt) {
    if (unused_opt === undefined) {
      unused_opt = state.option.unused;
    }