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"use strict";
exports.__esModule = true;
exports.plugins = undefined;
var _identifier = require("../util/identifier");
var _options = require("../options");
var _tokenizer = require("../tokenizer");
var _tokenizer2 = _interopRequireDefault(_tokenizer);
function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; }
var plugins = exports.plugins = {};
var Parser = function (_Tokenizer) {
_inherits(Parser, _Tokenizer);
function Parser(options, input) {
_classCallCheck(this, Parser);
options = (0, _options.getOptions)(options);
var _this = _possibleConstructorReturn(this, _Tokenizer.call(this, options, input));
_this.options = options;
_this.inModule = _this.options.sourceType === "module";
_this.isReservedWord = _identifier.reservedWords[6];
_this.input = input;
_this.plugins = _this.loadPlugins(_this.options.plugins);
_this.filename = options.sourceFilename;
// If enabled, skip leading hashbang line.
if (_this.state.pos === 0 && _this.input[0] === "#" && _this.input[1] === "!") {
_this.skipLineComment(2);
}
return _this;
}
Parser.prototype.hasPlugin = function hasPlugin(name) {
return !!(this.plugins["*"] || this.plugins[name]);
};
Parser.prototype.extend = function extend(name, f) {
this[name] = f(this[name]);
};
Parser.prototype.loadPlugins = function loadPlugins(plugins) {
var pluginMap = {};
if (plugins.indexOf("flow") >= 0) {
// ensure flow plugin loads last
plugins = plugins.filter(function (plugin) {
return plugin !== "flow";
});
plugins.push("flow");
}
for (var _iterator = plugins, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
var _ref;
if (_isArray) {
if (_i >= _iterator.length) break;
_ref = _iterator[_i++];
} else {
_i = _iterator.next();
if (_i.done) break;
_ref = _i.value;
}
var name = _ref;
if (!pluginMap[name]) {
pluginMap[name] = true;
var plugin = exports.plugins[name];
if (plugin) plugin(this);
}
}
return pluginMap;
};
Parser.prototype.parse = function parse() {
var file = this.startNode();
var program = this.startNode();
this.nextToken();
return this.parseTopLevel(file, program);
};
return Parser;
}(_tokenizer2.default);
exports.default = Parser;
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