Doodle3D-API/jspm_packages/npm/babel-core@5.6.20/lib/acorn/src/lookahead.js

38 lines
1.1 KiB
JavaScript

/* */
"format cjs";
"use strict";
var _babelToolsProtectJs2 = require("./../../babel/tools/protect.js");
var _babelToolsProtectJs3 = _interopRequireDefault(_babelToolsProtectJs2);
var _state = require("./state");
_babelToolsProtectJs3["default"](module);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { "default": obj }; }
var pp = _state.Parser.prototype;
var STATE_KEYS = ["lastTokStartLoc", "lastTokEndLoc", "lastTokStart", "lastTokEnd", "lineStart", "startLoc", "curLine", "endLoc", "start", "pos", "end", "type", "value", "exprAllowed", "potentialArrowAt", "currLine", "input", "inType", "inFunction", "inGenerator", "labels"];
pp.getState = function () {
var state = {};
for (var i = 0; i < STATE_KEYS.length; i++) {
var key = STATE_KEYS[i];
state[key] = this[key];
}
state.context = this.context.slice();
state.labels = this.labels.slice();
return state;
};
pp.lookahead = function () {
var old = this.getState();
this.isLookahead = true;
this.next();
this.isLookahead = false;
var curr = this.getState();
for (var key in old) this[key] = old[key];
return curr;
};