motion/node_modules/flint-babylon/lib/parser/index.js

motion - moving development forward

"use strict";

exports.__esModule = true;
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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 _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 _utilIdentifier = require("../util/identifier");

var _options = require("../options");

var _tokenizer = require("../tokenizer");

var _tokenizer2 = _interopRequireDefault(_tokenizer);

// Registered plugins

var plugins = {};

exports.plugins = plugins;
function makePredicate(words) {
  words = words.split(" ");
  return function (str) {
    return words.indexOf(str) >= 0;
  };
}

var withProp = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this let const prop class extends export import yield super";
var withoutProp = "break case catch continue debugger default do else finally for function if return switch throw try var while with null true false instanceof typeof void delete new in this let const class extends export import yield super";

var Parser = (function (_Tokenizer) {
  _inherits(Parser, _Tokenizer);

  function Parser(options, input) {
    _classCallCheck(this, Parser);

    _Tokenizer.call(this, input);

    this.options = _options.getOptions(options);

    // Reserved word lists for various dialects of the language

    // And the keywords

    // TODO BAD (detecting prop declarator based on some other thing)
    if (options.features.flow) {
      this.isKeyword = makePredicate(withProp);
    } else {
      this.isKeyword = makePredicate(withoutProp);
    }

    this.isReservedWord = _utilIdentifier.reservedWords[6];

    this.input = input;
    this.loadPlugins(this.options.plugins);

    // Figure out if it's a module code.
    this.inModule = this.options.sourceType === "module";
    this.strict = this.options.strictMode === false ? false : this.inModule;

    // If enabled, skip leading hashbang line.
    if (this.state.pos === 0 && this.input[0] === "#" && this.input[1] === "!") {
      this.skipLineComment(2);
    }
  }

  Parser.prototype.extend = function extend(name, f) {
    this[name] = f(this[name]);
  };

  Parser.prototype.loadPlugins = function loadPlugins(plugins) {
    for (var _name in plugins) {
      var plugin = exports.plugins[_name];
      if (!plugin) throw new Error("Plugin '" + _name + "' not found");
      plugin(this, plugins[_name]);
    }
  };

  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;