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Diffstat (limited to 'node_modules/babylon/lib/parser/index.js')
| -rw-r--r-- | node_modules/babylon/lib/parser/index.js | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/node_modules/babylon/lib/parser/index.js b/node_modules/babylon/lib/parser/index.js new file mode 100644 index 000000000..e8398929d --- /dev/null +++ b/node_modules/babylon/lib/parser/index.js @@ -0,0 +1,102 @@ +"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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