102 lines
3.3 KiB
JavaScript
102 lines
3.3 KiB
JavaScript
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"use strict";
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exports.__esModule = true;
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exports.plugins = undefined;
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var _identifier = require("../util/identifier");
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var _options = require("../options");
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var _tokenizer = require("../tokenizer");
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var _tokenizer2 = _interopRequireDefault(_tokenizer);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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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; }
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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; }
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var plugins = exports.plugins = {};
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var Parser = function (_Tokenizer) {
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_inherits(Parser, _Tokenizer);
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function Parser(options, input) {
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_classCallCheck(this, Parser);
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options = (0, _options.getOptions)(options);
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var _this = _possibleConstructorReturn(this, _Tokenizer.call(this, options, input));
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_this.options = options;
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_this.inModule = _this.options.sourceType === "module";
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_this.isReservedWord = _identifier.reservedWords[6];
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_this.input = input;
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_this.plugins = _this.loadPlugins(_this.options.plugins);
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_this.filename = options.sourceFilename;
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// If enabled, skip leading hashbang line.
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if (_this.state.pos === 0 && _this.input[0] === "#" && _this.input[1] === "!") {
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_this.skipLineComment(2);
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}
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return _this;
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}
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Parser.prototype.hasPlugin = function hasPlugin(name) {
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return !!(this.plugins["*"] || this.plugins[name]);
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};
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Parser.prototype.extend = function extend(name, f) {
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this[name] = f(this[name]);
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};
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Parser.prototype.loadPlugins = function loadPlugins(plugins) {
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var pluginMap = {};
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if (plugins.indexOf("flow") >= 0) {
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// ensure flow plugin loads last
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plugins = plugins.filter(function (plugin) {
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return plugin !== "flow";
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});
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plugins.push("flow");
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}
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for (var _iterator = plugins, _isArray = Array.isArray(_iterator), _i = 0, _iterator = _isArray ? _iterator : _iterator[Symbol.iterator]();;) {
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var _ref;
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if (_isArray) {
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if (_i >= _iterator.length) break;
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_ref = _iterator[_i++];
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} else {
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_i = _iterator.next();
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if (_i.done) break;
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_ref = _i.value;
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}
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var name = _ref;
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if (!pluginMap[name]) {
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pluginMap[name] = true;
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var plugin = exports.plugins[name];
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if (plugin) plugin(this);
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}
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}
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return pluginMap;
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};
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Parser.prototype.parse = function parse() {
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var file = this.startNode();
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var program = this.startNode();
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this.nextToken();
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return this.parseTopLevel(file, program);
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};
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return Parser;
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}(_tokenizer2.default);
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exports.default = Parser;
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