6401 lines
259 KiB
JavaScript
6401 lines
259 KiB
JavaScript
(function webpackUniversalModuleDefinition(root, factory) {
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/* istanbul ignore next */
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if(typeof exports === 'object' && typeof module === 'object')
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module.exports = factory();
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else if(typeof define === 'function' && define.amd)
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define([], factory);
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/* istanbul ignore next */
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else if(typeof exports === 'object')
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|
exports["esprima"] = factory();
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else
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root["esprima"] = factory();
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})(this, function() {
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return /******/ (function(modules) { // webpackBootstrap
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/******/ // The module cache
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/******/ var installedModules = {};
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/******/ // The require function
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/******/ function __webpack_require__(moduleId) {
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/******/ // Check if module is in cache
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/* istanbul ignore if */
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/******/ if(installedModules[moduleId])
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/******/ return installedModules[moduleId].exports;
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|
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/******/ // Create a new module (and put it into the cache)
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/******/ var module = installedModules[moduleId] = {
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/******/ exports: {},
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/******/ id: moduleId,
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/******/ loaded: false
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/******/ };
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/******/ // Execute the module function
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/******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__);
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/******/ // Flag the module as loaded
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/******/ module.loaded = true;
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/******/ // Return the exports of the module
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/******/ return module.exports;
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/******/ }
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/******/ // expose the modules object (__webpack_modules__)
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/******/ __webpack_require__.m = modules;
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/******/ // expose the module cache
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/******/ __webpack_require__.c = installedModules;
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/******/ // __webpack_public_path__
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/******/ __webpack_require__.p = "";
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/******/ // Load entry module and return exports
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/******/ return __webpack_require__(0);
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/******/ })
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/************************************************************************/
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/******/ ([
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/* 0 */
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/***/ function(module, exports, __webpack_require__) {
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/*
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Copyright JS Foundation and other contributors, https://js.foundation/
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Redistribution and use in source and binary forms, with or without
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modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright
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notice, this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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notice, this list of conditions and the following disclaimer in the
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documentation and/or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
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DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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"use strict";
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var comment_handler_1 = __webpack_require__(1);
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var parser_1 = __webpack_require__(3);
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var jsx_parser_1 = __webpack_require__(11);
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var tokenizer_1 = __webpack_require__(15);
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function parse(code, options, delegate) {
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var commentHandler = null;
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var proxyDelegate = function (node, metadata) {
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if (delegate) {
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delegate(node, metadata);
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}
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if (commentHandler) {
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commentHandler.visit(node, metadata);
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}
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};
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var parserDelegate = (typeof delegate === 'function') ? proxyDelegate : null;
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var collectComment = false;
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if (options) {
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collectComment = (typeof options.comment === 'boolean' && options.comment);
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var attachComment = (typeof options.attachComment === 'boolean' && options.attachComment);
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if (collectComment || attachComment) {
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commentHandler = new comment_handler_1.CommentHandler();
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commentHandler.attach = attachComment;
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options.comment = true;
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parserDelegate = proxyDelegate;
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}
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}
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var parser;
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if (options && typeof options.jsx === 'boolean' && options.jsx) {
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parser = new jsx_parser_1.JSXParser(code, options, parserDelegate);
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}
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else {
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parser = new parser_1.Parser(code, options, parserDelegate);
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}
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var ast = (parser.parseProgram());
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if (collectComment) {
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ast.comments = commentHandler.comments;
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}
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if (parser.config.tokens) {
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ast.tokens = parser.tokens;
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}
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if (parser.config.tolerant) {
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ast.errors = parser.errorHandler.errors;
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}
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return ast;
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}
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exports.parse = parse;
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function tokenize(code, options, delegate) {
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var tokenizer = new tokenizer_1.Tokenizer(code, options);
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var tokens;
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tokens = [];
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try {
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while (true) {
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var token = tokenizer.getNextToken();
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if (!token) {
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break;
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}
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if (delegate) {
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token = delegate(token);
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}
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tokens.push(token);
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}
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}
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catch (e) {
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tokenizer.errorHandler.tolerate(e);
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}
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if (tokenizer.errorHandler.tolerant) {
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tokens.errors = tokenizer.errors();
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}
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return tokens;
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}
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exports.tokenize = tokenize;
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var syntax_1 = __webpack_require__(2);
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exports.Syntax = syntax_1.Syntax;
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// Sync with *.json manifests.
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exports.version = '3.1.3';
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/***/ },
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/* 1 */
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/***/ function(module, exports, __webpack_require__) {
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"use strict";
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var syntax_1 = __webpack_require__(2);
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var CommentHandler = (function () {
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function CommentHandler() {
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this.attach = false;
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this.comments = [];
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this.stack = [];
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this.leading = [];
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this.trailing = [];
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}
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CommentHandler.prototype.insertInnerComments = function (node, metadata) {
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// innnerComments for properties empty block
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// `function a() {/** comments **\/}`
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if (node.type === syntax_1.Syntax.BlockStatement && node.body.length === 0) {
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var innerComments = [];
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for (var i = this.leading.length - 1; i >= 0; --i) {
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var entry = this.leading[i];
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if (metadata.end.offset >= entry.start) {
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innerComments.unshift(entry.comment);
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this.leading.splice(i, 1);
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this.trailing.splice(i, 1);
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}
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}
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if (innerComments.length) {
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node.innerComments = innerComments;
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}
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}
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};
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CommentHandler.prototype.findTrailingComments = function (node, metadata) {
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var trailingComments = [];
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if (this.trailing.length > 0) {
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for (var i = this.trailing.length - 1; i >= 0; --i) {
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var entry_1 = this.trailing[i];
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if (entry_1.start >= metadata.end.offset) {
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trailingComments.unshift(entry_1.comment);
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}
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}
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this.trailing.length = 0;
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return trailingComments;
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}
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var entry = this.stack[this.stack.length - 1];
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if (entry && entry.node.trailingComments) {
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var firstComment = entry.node.trailingComments[0];
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if (firstComment && firstComment.range[0] >= metadata.end.offset) {
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trailingComments = entry.node.trailingComments;
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delete entry.node.trailingComments;
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}
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}
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return trailingComments;
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};
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CommentHandler.prototype.findLeadingComments = function (node, metadata) {
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var leadingComments = [];
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var target;
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while (this.stack.length > 0) {
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var entry = this.stack[this.stack.length - 1];
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if (entry && entry.start >= metadata.start.offset) {
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target = this.stack.pop().node;
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}
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else {
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break;
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}
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}
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if (target) {
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var count = target.leadingComments ? target.leadingComments.length : 0;
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for (var i = count - 1; i >= 0; --i) {
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var comment = target.leadingComments[i];
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if (comment.range[1] <= metadata.start.offset) {
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leadingComments.unshift(comment);
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target.leadingComments.splice(i, 1);
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}
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}
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if (target.leadingComments && target.leadingComments.length === 0) {
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delete target.leadingComments;
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}
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return leadingComments;
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}
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for (var i = this.leading.length - 1; i >= 0; --i) {
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var entry = this.leading[i];
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if (entry.start <= metadata.start.offset) {
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leadingComments.unshift(entry.comment);
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this.leading.splice(i, 1);
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}
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}
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return leadingComments;
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};
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CommentHandler.prototype.visitNode = function (node, metadata) {
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if (node.type === syntax_1.Syntax.Program && node.body.length > 0) {
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return;
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}
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this.insertInnerComments(node, metadata);
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var trailingComments = this.findTrailingComments(node, metadata);
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var leadingComments = this.findLeadingComments(node, metadata);
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if (leadingComments.length > 0) {
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node.leadingComments = leadingComments;
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}
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if (trailingComments.length > 0) {
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node.trailingComments = trailingComments;
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}
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this.stack.push({
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node: node,
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start: metadata.start.offset
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});
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};
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CommentHandler.prototype.visitComment = function (node, metadata) {
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var type = (node.type[0] === 'L') ? 'Line' : 'Block';
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var comment = {
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type: type,
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value: node.value
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};
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if (node.range) {
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comment.range = node.range;
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}
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if (node.loc) {
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comment.loc = node.loc;
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}
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this.comments.push(comment);
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if (this.attach) {
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var entry = {
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comment: {
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type: type,
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value: node.value,
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|
range: [metadata.start.offset, metadata.end.offset]
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},
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start: metadata.start.offset
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};
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if (node.loc) {
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entry.comment.loc = node.loc;
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}
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node.type = type;
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this.leading.push(entry);
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this.trailing.push(entry);
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}
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};
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CommentHandler.prototype.visit = function (node, metadata) {
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if (node.type === 'LineComment') {
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this.visitComment(node, metadata);
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}
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else if (node.type === 'BlockComment') {
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this.visitComment(node, metadata);
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}
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else if (this.attach) {
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this.visitNode(node, metadata);
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}
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};
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return CommentHandler;
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}());
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exports.CommentHandler = CommentHandler;
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/***/ },
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/* 2 */
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/***/ function(module, exports) {
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"use strict";
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exports.Syntax = {
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AssignmentExpression: 'AssignmentExpression',
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AssignmentPattern: 'AssignmentPattern',
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ArrayExpression: 'ArrayExpression',
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ArrayPattern: 'ArrayPattern',
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|
ArrowFunctionExpression: 'ArrowFunctionExpression',
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BlockStatement: 'BlockStatement',
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BinaryExpression: 'BinaryExpression',
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BreakStatement: 'BreakStatement',
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CallExpression: 'CallExpression',
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CatchClause: 'CatchClause',
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ClassBody: 'ClassBody',
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ClassDeclaration: 'ClassDeclaration',
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|
ClassExpression: 'ClassExpression',
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ConditionalExpression: 'ConditionalExpression',
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|
ContinueStatement: 'ContinueStatement',
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|
DoWhileStatement: 'DoWhileStatement',
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|
DebuggerStatement: 'DebuggerStatement',
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|
EmptyStatement: 'EmptyStatement',
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|
ExportAllDeclaration: 'ExportAllDeclaration',
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|
ExportDefaultDeclaration: 'ExportDefaultDeclaration',
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|
ExportNamedDeclaration: 'ExportNamedDeclaration',
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|
ExportSpecifier: 'ExportSpecifier',
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|
ExpressionStatement: 'ExpressionStatement',
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|
ForStatement: 'ForStatement',
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ForOfStatement: 'ForOfStatement',
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|
ForInStatement: 'ForInStatement',
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FunctionDeclaration: 'FunctionDeclaration',
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FunctionExpression: 'FunctionExpression',
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Identifier: 'Identifier',
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IfStatement: 'IfStatement',
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ImportDeclaration: 'ImportDeclaration',
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ImportDefaultSpecifier: 'ImportDefaultSpecifier',
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ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
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ImportSpecifier: 'ImportSpecifier',
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|
Literal: 'Literal',
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|
LabeledStatement: 'LabeledStatement',
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|
LogicalExpression: 'LogicalExpression',
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MemberExpression: 'MemberExpression',
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|
MetaProperty: 'MetaProperty',
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|
MethodDefinition: 'MethodDefinition',
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|
NewExpression: 'NewExpression',
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|
ObjectExpression: 'ObjectExpression',
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|
ObjectPattern: 'ObjectPattern',
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|
Program: 'Program',
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|
Property: 'Property',
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|
RestElement: 'RestElement',
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|
ReturnStatement: 'ReturnStatement',
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|
SequenceExpression: 'SequenceExpression',
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|
SpreadElement: 'SpreadElement',
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|
Super: 'Super',
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|
SwitchCase: 'SwitchCase',
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|
SwitchStatement: 'SwitchStatement',
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|
TaggedTemplateExpression: 'TaggedTemplateExpression',
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|
TemplateElement: 'TemplateElement',
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|
TemplateLiteral: 'TemplateLiteral',
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|
ThisExpression: 'ThisExpression',
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|
ThrowStatement: 'ThrowStatement',
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|
TryStatement: 'TryStatement',
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|
UnaryExpression: 'UnaryExpression',
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|
UpdateExpression: 'UpdateExpression',
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|
VariableDeclaration: 'VariableDeclaration',
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|
VariableDeclarator: 'VariableDeclarator',
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|
WhileStatement: 'WhileStatement',
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|
WithStatement: 'WithStatement',
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|
YieldExpression: 'YieldExpression'
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|
};
|
|
|
|
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/***/ },
|
|
/* 3 */
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|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
var assert_1 = __webpack_require__(4);
|
|
var messages_1 = __webpack_require__(5);
|
|
var error_handler_1 = __webpack_require__(6);
|
|
var token_1 = __webpack_require__(7);
|
|
var scanner_1 = __webpack_require__(8);
|
|
var syntax_1 = __webpack_require__(2);
|
|
var Node = __webpack_require__(10);
|
|
var ArrowParameterPlaceHolder = 'ArrowParameterPlaceHolder';
|
|
var Parser = (function () {
|
|
function Parser(code, options, delegate) {
|
|
if (options === void 0) { options = {}; }
|
|
this.config = {
|
|
range: (typeof options.range === 'boolean') && options.range,
|
|
loc: (typeof options.loc === 'boolean') && options.loc,
|
|
source: null,
|
|
tokens: (typeof options.tokens === 'boolean') && options.tokens,
|
|
comment: (typeof options.comment === 'boolean') && options.comment,
|
|
tolerant: (typeof options.tolerant === 'boolean') && options.tolerant
|
|
};
|
|
if (this.config.loc && options.source && options.source !== null) {
|
|
this.config.source = String(options.source);
|
|
}
|
|
this.delegate = delegate;
|
|
this.errorHandler = new error_handler_1.ErrorHandler();
|
|
this.errorHandler.tolerant = this.config.tolerant;
|
|
this.scanner = new scanner_1.Scanner(code, this.errorHandler);
|
|
this.scanner.trackComment = this.config.comment;
|
|
this.operatorPrecedence = {
|
|
')': 0,
|
|
';': 0,
|
|
',': 0,
|
|
'=': 0,
|
|
']': 0,
|
|
'||': 1,
|
|
'&&': 2,
|
|
'|': 3,
|
|
'^': 4,
|
|
'&': 5,
|
|
'==': 6,
|
|
'!=': 6,
|
|
'===': 6,
|
|
'!==': 6,
|
|
'<': 7,
|
|
'>': 7,
|
|
'<=': 7,
|
|
'>=': 7,
|
|
'<<': 8,
|
|
'>>': 8,
|
|
'>>>': 8,
|
|
'+': 9,
|
|
'-': 9,
|
|
'*': 11,
|
|
'/': 11,
|
|
'%': 11
|
|
};
|
|
this.sourceType = (options && options.sourceType === 'module') ? 'module' : 'script';
|
|
this.lookahead = null;
|
|
this.hasLineTerminator = false;
|
|
this.context = {
|
|
allowIn: true,
|
|
allowYield: true,
|
|
firstCoverInitializedNameError: null,
|
|
isAssignmentTarget: false,
|
|
isBindingElement: false,
|
|
inFunctionBody: false,
|
|
inIteration: false,
|
|
inSwitch: false,
|
|
labelSet: {},
|
|
strict: (this.sourceType === 'module')
|
|
};
|
|
this.tokens = [];
|
|
this.startMarker = {
|
|
index: 0,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: 0
|
|
};
|
|
this.lastMarker = {
|
|
index: 0,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: 0
|
|
};
|
|
this.nextToken();
|
|
this.lastMarker = {
|
|
index: this.scanner.index,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: this.scanner.lineStart
|
|
};
|
|
}
|
|
Parser.prototype.throwError = function (messageFormat) {
|
|
var values = [];
|
|
for (var _i = 1; _i < arguments.length; _i++) {
|
|
values[_i - 1] = arguments[_i];
|
|
}
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) {
|
|
assert_1.assert(idx < args.length, 'Message reference must be in range');
|
|
return args[idx];
|
|
});
|
|
var index = this.lastMarker.index;
|
|
var line = this.lastMarker.lineNumber;
|
|
var column = this.lastMarker.index - this.lastMarker.lineStart + 1;
|
|
throw this.errorHandler.createError(index, line, column, msg);
|
|
};
|
|
Parser.prototype.tolerateError = function (messageFormat) {
|
|
var values = [];
|
|
for (var _i = 1; _i < arguments.length; _i++) {
|
|
values[_i - 1] = arguments[_i];
|
|
}
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
var msg = messageFormat.replace(/%(\d)/g, function (whole, idx) {
|
|
assert_1.assert(idx < args.length, 'Message reference must be in range');
|
|
return args[idx];
|
|
});
|
|
var index = this.lastMarker.index;
|
|
var line = this.scanner.lineNumber;
|
|
var column = this.lastMarker.index - this.lastMarker.lineStart + 1;
|
|
this.errorHandler.tolerateError(index, line, column, msg);
|
|
};
|
|
// Throw an exception because of the token.
|
|
Parser.prototype.unexpectedTokenError = function (token, message) {
|
|
var msg = message || messages_1.Messages.UnexpectedToken;
|
|
var value;
|
|
if (token) {
|
|
if (!message) {
|
|
msg = (token.type === token_1.Token.EOF) ? messages_1.Messages.UnexpectedEOS :
|
|
(token.type === token_1.Token.Identifier) ? messages_1.Messages.UnexpectedIdentifier :
|
|
(token.type === token_1.Token.NumericLiteral) ? messages_1.Messages.UnexpectedNumber :
|
|
(token.type === token_1.Token.StringLiteral) ? messages_1.Messages.UnexpectedString :
|
|
(token.type === token_1.Token.Template) ? messages_1.Messages.UnexpectedTemplate :
|
|
messages_1.Messages.UnexpectedToken;
|
|
if (token.type === token_1.Token.Keyword) {
|
|
if (this.scanner.isFutureReservedWord(token.value)) {
|
|
msg = messages_1.Messages.UnexpectedReserved;
|
|
}
|
|
else if (this.context.strict && this.scanner.isStrictModeReservedWord(token.value)) {
|
|
msg = messages_1.Messages.StrictReservedWord;
|
|
}
|
|
}
|
|
}
|
|
value = (token.type === token_1.Token.Template) ? token.value.raw : token.value;
|
|
}
|
|
else {
|
|
value = 'ILLEGAL';
|
|
}
|
|
msg = msg.replace('%0', value);
|
|
if (token && typeof token.lineNumber === 'number') {
|
|
var index = token.start;
|
|
var line = token.lineNumber;
|
|
var column = token.start - this.lastMarker.lineStart + 1;
|
|
return this.errorHandler.createError(index, line, column, msg);
|
|
}
|
|
else {
|
|
var index = this.lastMarker.index;
|
|
var line = this.lastMarker.lineNumber;
|
|
var column = index - this.lastMarker.lineStart + 1;
|
|
return this.errorHandler.createError(index, line, column, msg);
|
|
}
|
|
};
|
|
Parser.prototype.throwUnexpectedToken = function (token, message) {
|
|
throw this.unexpectedTokenError(token, message);
|
|
};
|
|
Parser.prototype.tolerateUnexpectedToken = function (token, message) {
|
|
this.errorHandler.tolerate(this.unexpectedTokenError(token, message));
|
|
};
|
|
Parser.prototype.collectComments = function () {
|
|
if (!this.config.comment) {
|
|
this.scanner.scanComments();
|
|
}
|
|
else {
|
|
var comments = this.scanner.scanComments();
|
|
if (comments.length > 0 && this.delegate) {
|
|
for (var i = 0; i < comments.length; ++i) {
|
|
var e = comments[i];
|
|
var node = void 0;
|
|
node = {
|
|
type: e.multiLine ? 'BlockComment' : 'LineComment',
|
|
value: this.scanner.source.slice(e.slice[0], e.slice[1])
|
|
};
|
|
if (this.config.range) {
|
|
node.range = e.range;
|
|
}
|
|
if (this.config.loc) {
|
|
node.loc = e.loc;
|
|
}
|
|
var metadata = {
|
|
start: {
|
|
line: e.loc.start.line,
|
|
column: e.loc.start.column,
|
|
offset: e.range[0]
|
|
},
|
|
end: {
|
|
line: e.loc.end.line,
|
|
column: e.loc.end.column,
|
|
offset: e.range[1]
|
|
}
|
|
};
|
|
this.delegate(node, metadata);
|
|
}
|
|
}
|
|
}
|
|
};
|
|
// From internal representation to an external structure
|
|
Parser.prototype.getTokenRaw = function (token) {
|
|
return this.scanner.source.slice(token.start, token.end);
|
|
};
|
|
Parser.prototype.convertToken = function (token) {
|
|
var t;
|
|
t = {
|
|
type: token_1.TokenName[token.type],
|
|
value: this.getTokenRaw(token)
|
|
};
|
|
if (this.config.range) {
|
|
t.range = [token.start, token.end];
|
|
}
|
|
if (this.config.loc) {
|
|
t.loc = {
|
|
start: {
|
|
line: this.startMarker.lineNumber,
|
|
column: this.startMarker.index - this.startMarker.lineStart
|
|
},
|
|
end: {
|
|
line: this.scanner.lineNumber,
|
|
column: this.scanner.index - this.scanner.lineStart
|
|
}
|
|
};
|
|
}
|
|
if (token.regex) {
|
|
t.regex = token.regex;
|
|
}
|
|
return t;
|
|
};
|
|
Parser.prototype.nextToken = function () {
|
|
var token = this.lookahead;
|
|
this.lastMarker.index = this.scanner.index;
|
|
this.lastMarker.lineNumber = this.scanner.lineNumber;
|
|
this.lastMarker.lineStart = this.scanner.lineStart;
|
|
this.collectComments();
|
|
this.startMarker.index = this.scanner.index;
|
|
this.startMarker.lineNumber = this.scanner.lineNumber;
|
|
this.startMarker.lineStart = this.scanner.lineStart;
|
|
var next;
|
|
next = this.scanner.lex();
|
|
this.hasLineTerminator = (token && next) ? (token.lineNumber !== next.lineNumber) : false;
|
|
if (next && this.context.strict && next.type === token_1.Token.Identifier) {
|
|
if (this.scanner.isStrictModeReservedWord(next.value)) {
|
|
next.type = token_1.Token.Keyword;
|
|
}
|
|
}
|
|
this.lookahead = next;
|
|
if (this.config.tokens && next.type !== token_1.Token.EOF) {
|
|
this.tokens.push(this.convertToken(next));
|
|
}
|
|
return token;
|
|
};
|
|
Parser.prototype.nextRegexToken = function () {
|
|
this.collectComments();
|
|
var token = this.scanner.scanRegExp();
|
|
if (this.config.tokens) {
|
|
// Pop the previous token, '/' or '/='
|
|
// This is added from the lookahead token.
|
|
this.tokens.pop();
|
|
this.tokens.push(this.convertToken(token));
|
|
}
|
|
// Prime the next lookahead.
|
|
this.lookahead = token;
|
|
this.nextToken();
|
|
return token;
|
|
};
|
|
Parser.prototype.createNode = function () {
|
|
return {
|
|
index: this.startMarker.index,
|
|
line: this.startMarker.lineNumber,
|
|
column: this.startMarker.index - this.startMarker.lineStart
|
|
};
|
|
};
|
|
Parser.prototype.startNode = function (token) {
|
|
return {
|
|
index: token.start,
|
|
line: token.lineNumber,
|
|
column: token.start - token.lineStart
|
|
};
|
|
};
|
|
Parser.prototype.finalize = function (meta, node) {
|
|
if (this.config.range) {
|
|
node.range = [meta.index, this.lastMarker.index];
|
|
}
|
|
if (this.config.loc) {
|
|
node.loc = {
|
|
start: {
|
|
line: meta.line,
|
|
column: meta.column
|
|
},
|
|
end: {
|
|
line: this.lastMarker.lineNumber,
|
|
column: this.lastMarker.index - this.lastMarker.lineStart
|
|
}
|
|
};
|
|
if (this.config.source) {
|
|
node.loc.source = this.config.source;
|
|
}
|
|
}
|
|
if (this.delegate) {
|
|
var metadata = {
|
|
start: {
|
|
line: meta.line,
|
|
column: meta.column,
|
|
offset: meta.index
|
|
},
|
|
end: {
|
|
line: this.lastMarker.lineNumber,
|
|
column: this.lastMarker.index - this.lastMarker.lineStart,
|
|
offset: this.lastMarker.index
|
|
}
|
|
};
|
|
this.delegate(node, metadata);
|
|
}
|
|
return node;
|
|
};
|
|
// Expect the next token to match the specified punctuator.
|
|
// If not, an exception will be thrown.
|
|
Parser.prototype.expect = function (value) {
|
|
var token = this.nextToken();
|
|
if (token.type !== token_1.Token.Punctuator || token.value !== value) {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
};
|
|
// Quietly expect a comma when in tolerant mode, otherwise delegates to expect().
|
|
Parser.prototype.expectCommaSeparator = function () {
|
|
if (this.config.tolerant) {
|
|
var token = this.lookahead;
|
|
if (token.type === token_1.Token.Punctuator && token.value === ',') {
|
|
this.nextToken();
|
|
}
|
|
else if (token.type === token_1.Token.Punctuator && token.value === ';') {
|
|
this.nextToken();
|
|
this.tolerateUnexpectedToken(token);
|
|
}
|
|
else {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.UnexpectedToken);
|
|
}
|
|
}
|
|
else {
|
|
this.expect(',');
|
|
}
|
|
};
|
|
// Expect the next token to match the specified keyword.
|
|
// If not, an exception will be thrown.
|
|
Parser.prototype.expectKeyword = function (keyword) {
|
|
var token = this.nextToken();
|
|
if (token.type !== token_1.Token.Keyword || token.value !== keyword) {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
};
|
|
// Return true if the next token matches the specified punctuator.
|
|
Parser.prototype.match = function (value) {
|
|
return this.lookahead.type === token_1.Token.Punctuator && this.lookahead.value === value;
|
|
};
|
|
// Return true if the next token matches the specified keyword
|
|
Parser.prototype.matchKeyword = function (keyword) {
|
|
return this.lookahead.type === token_1.Token.Keyword && this.lookahead.value === keyword;
|
|
};
|
|
// Return true if the next token matches the specified contextual keyword
|
|
// (where an identifier is sometimes a keyword depending on the context)
|
|
Parser.prototype.matchContextualKeyword = function (keyword) {
|
|
return this.lookahead.type === token_1.Token.Identifier && this.lookahead.value === keyword;
|
|
};
|
|
// Return true if the next token is an assignment operator
|
|
Parser.prototype.matchAssign = function () {
|
|
if (this.lookahead.type !== token_1.Token.Punctuator) {
|
|
return false;
|
|
}
|
|
var op = this.lookahead.value;
|
|
return op === '=' ||
|
|
op === '*=' ||
|
|
op === '**=' ||
|
|
op === '/=' ||
|
|
op === '%=' ||
|
|
op === '+=' ||
|
|
op === '-=' ||
|
|
op === '<<=' ||
|
|
op === '>>=' ||
|
|
op === '>>>=' ||
|
|
op === '&=' ||
|
|
op === '^=' ||
|
|
op === '|=';
|
|
};
|
|
// Cover grammar support.
|
|
//
|
|
// When an assignment expression position starts with an left parenthesis, the determination of the type
|
|
// of the syntax is to be deferred arbitrarily long until the end of the parentheses pair (plus a lookahead)
|
|
// or the first comma. This situation also defers the determination of all the expressions nested in the pair.
|
|
//
|
|
// There are three productions that can be parsed in a parentheses pair that needs to be determined
|
|
// after the outermost pair is closed. They are:
|
|
//
|
|
// 1. AssignmentExpression
|
|
// 2. BindingElements
|
|
// 3. AssignmentTargets
|
|
//
|
|
// In order to avoid exponential backtracking, we use two flags to denote if the production can be
|
|
// binding element or assignment target.
|
|
//
|
|
// The three productions have the relationship:
|
|
//
|
|
// BindingElements ⊆ AssignmentTargets ⊆ AssignmentExpression
|
|
//
|
|
// with a single exception that CoverInitializedName when used directly in an Expression, generates
|
|
// an early error. Therefore, we need the third state, firstCoverInitializedNameError, to track the
|
|
// first usage of CoverInitializedName and report it when we reached the end of the parentheses pair.
|
|
//
|
|
// isolateCoverGrammar function runs the given parser function with a new cover grammar context, and it does not
|
|
// effect the current flags. This means the production the parser parses is only used as an expression. Therefore
|
|
// the CoverInitializedName check is conducted.
|
|
//
|
|
// inheritCoverGrammar function runs the given parse function with a new cover grammar context, and it propagates
|
|
// the flags outside of the parser. This means the production the parser parses is used as a part of a potential
|
|
// pattern. The CoverInitializedName check is deferred.
|
|
Parser.prototype.isolateCoverGrammar = function (parseFunction) {
|
|
var previousIsBindingElement = this.context.isBindingElement;
|
|
var previousIsAssignmentTarget = this.context.isAssignmentTarget;
|
|
var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError;
|
|
this.context.isBindingElement = true;
|
|
this.context.isAssignmentTarget = true;
|
|
this.context.firstCoverInitializedNameError = null;
|
|
var result = parseFunction.call(this);
|
|
if (this.context.firstCoverInitializedNameError !== null) {
|
|
this.throwUnexpectedToken(this.context.firstCoverInitializedNameError);
|
|
}
|
|
this.context.isBindingElement = previousIsBindingElement;
|
|
this.context.isAssignmentTarget = previousIsAssignmentTarget;
|
|
this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError;
|
|
return result;
|
|
};
|
|
Parser.prototype.inheritCoverGrammar = function (parseFunction) {
|
|
var previousIsBindingElement = this.context.isBindingElement;
|
|
var previousIsAssignmentTarget = this.context.isAssignmentTarget;
|
|
var previousFirstCoverInitializedNameError = this.context.firstCoverInitializedNameError;
|
|
this.context.isBindingElement = true;
|
|
this.context.isAssignmentTarget = true;
|
|
this.context.firstCoverInitializedNameError = null;
|
|
var result = parseFunction.call(this);
|
|
this.context.isBindingElement = this.context.isBindingElement && previousIsBindingElement;
|
|
this.context.isAssignmentTarget = this.context.isAssignmentTarget && previousIsAssignmentTarget;
|
|
this.context.firstCoverInitializedNameError = previousFirstCoverInitializedNameError || this.context.firstCoverInitializedNameError;
|
|
return result;
|
|
};
|
|
Parser.prototype.consumeSemicolon = function () {
|
|
if (this.match(';')) {
|
|
this.nextToken();
|
|
}
|
|
else if (!this.hasLineTerminator) {
|
|
if (this.lookahead.type !== token_1.Token.EOF && !this.match('}')) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
this.lastMarker.index = this.startMarker.index;
|
|
this.lastMarker.lineNumber = this.startMarker.lineNumber;
|
|
this.lastMarker.lineStart = this.startMarker.lineStart;
|
|
}
|
|
};
|
|
// ECMA-262 12.2 Primary Expressions
|
|
Parser.prototype.parsePrimaryExpression = function () {
|
|
var node = this.createNode();
|
|
var expr;
|
|
var value, token, raw;
|
|
switch (this.lookahead.type) {
|
|
case token_1.Token.Identifier:
|
|
if (this.sourceType === 'module' && this.lookahead.value === 'await') {
|
|
this.tolerateUnexpectedToken(this.lookahead);
|
|
}
|
|
expr = this.finalize(node, new Node.Identifier(this.nextToken().value));
|
|
break;
|
|
case token_1.Token.NumericLiteral:
|
|
case token_1.Token.StringLiteral:
|
|
if (this.context.strict && this.lookahead.octal) {
|
|
this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.StrictOctalLiteral);
|
|
}
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
token = this.nextToken();
|
|
raw = this.getTokenRaw(token);
|
|
expr = this.finalize(node, new Node.Literal(token.value, raw));
|
|
break;
|
|
case token_1.Token.BooleanLiteral:
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
token = this.nextToken();
|
|
token.value = (token.value === 'true');
|
|
raw = this.getTokenRaw(token);
|
|
expr = this.finalize(node, new Node.Literal(token.value, raw));
|
|
break;
|
|
case token_1.Token.NullLiteral:
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
token = this.nextToken();
|
|
token.value = null;
|
|
raw = this.getTokenRaw(token);
|
|
expr = this.finalize(node, new Node.Literal(token.value, raw));
|
|
break;
|
|
case token_1.Token.Template:
|
|
expr = this.parseTemplateLiteral();
|
|
break;
|
|
case token_1.Token.Punctuator:
|
|
value = this.lookahead.value;
|
|
switch (value) {
|
|
case '(':
|
|
this.context.isBindingElement = false;
|
|
expr = this.inheritCoverGrammar(this.parseGroupExpression);
|
|
break;
|
|
case '[':
|
|
expr = this.inheritCoverGrammar(this.parseArrayInitializer);
|
|
break;
|
|
case '{':
|
|
expr = this.inheritCoverGrammar(this.parseObjectInitializer);
|
|
break;
|
|
case '/':
|
|
case '/=':
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
this.scanner.index = this.startMarker.index;
|
|
token = this.nextRegexToken();
|
|
raw = this.getTokenRaw(token);
|
|
expr = this.finalize(node, new Node.RegexLiteral(token.value, raw, token.regex));
|
|
break;
|
|
default:
|
|
this.throwUnexpectedToken(this.nextToken());
|
|
}
|
|
break;
|
|
case token_1.Token.Keyword:
|
|
if (!this.context.strict && this.context.allowYield && this.matchKeyword('yield')) {
|
|
expr = this.parseIdentifierName();
|
|
}
|
|
else if (!this.context.strict && this.matchKeyword('let')) {
|
|
expr = this.finalize(node, new Node.Identifier(this.nextToken().value));
|
|
}
|
|
else {
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
if (this.matchKeyword('function')) {
|
|
expr = this.parseFunctionExpression();
|
|
}
|
|
else if (this.matchKeyword('this')) {
|
|
this.nextToken();
|
|
expr = this.finalize(node, new Node.ThisExpression());
|
|
}
|
|
else if (this.matchKeyword('class')) {
|
|
expr = this.parseClassExpression();
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken(this.nextToken());
|
|
}
|
|
}
|
|
break;
|
|
default:
|
|
this.throwUnexpectedToken(this.nextToken());
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.2.5 Array Initializer
|
|
Parser.prototype.parseSpreadElement = function () {
|
|
var node = this.createNode();
|
|
this.expect('...');
|
|
var arg = this.inheritCoverGrammar(this.parseAssignmentExpression);
|
|
return this.finalize(node, new Node.SpreadElement(arg));
|
|
};
|
|
Parser.prototype.parseArrayInitializer = function () {
|
|
var node = this.createNode();
|
|
var elements = [];
|
|
this.expect('[');
|
|
while (!this.match(']')) {
|
|
if (this.match(',')) {
|
|
this.nextToken();
|
|
elements.push(null);
|
|
}
|
|
else if (this.match('...')) {
|
|
var element = this.parseSpreadElement();
|
|
if (!this.match(']')) {
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
this.expect(',');
|
|
}
|
|
elements.push(element);
|
|
}
|
|
else {
|
|
elements.push(this.inheritCoverGrammar(this.parseAssignmentExpression));
|
|
if (!this.match(']')) {
|
|
this.expect(',');
|
|
}
|
|
}
|
|
}
|
|
this.expect(']');
|
|
return this.finalize(node, new Node.ArrayExpression(elements));
|
|
};
|
|
// ECMA-262 12.2.6 Object Initializer
|
|
Parser.prototype.parsePropertyMethod = function (params) {
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
var previousStrict = this.context.strict;
|
|
var body = this.isolateCoverGrammar(this.parseFunctionSourceElements);
|
|
if (this.context.strict && params.firstRestricted) {
|
|
this.tolerateUnexpectedToken(params.firstRestricted, params.message);
|
|
}
|
|
if (this.context.strict && params.stricted) {
|
|
this.tolerateUnexpectedToken(params.stricted, params.message);
|
|
}
|
|
this.context.strict = previousStrict;
|
|
return body;
|
|
};
|
|
Parser.prototype.parsePropertyMethodFunction = function () {
|
|
var isGenerator = false;
|
|
var node = this.createNode();
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = false;
|
|
var params = this.parseFormalParameters();
|
|
var method = this.parsePropertyMethod(params);
|
|
this.context.allowYield = previousAllowYield;
|
|
return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator));
|
|
};
|
|
Parser.prototype.parseObjectPropertyKey = function () {
|
|
var node = this.createNode();
|
|
var token = this.nextToken();
|
|
var key = null;
|
|
switch (token.type) {
|
|
case token_1.Token.StringLiteral:
|
|
case token_1.Token.NumericLiteral:
|
|
if (this.context.strict && token.octal) {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.StrictOctalLiteral);
|
|
}
|
|
var raw = this.getTokenRaw(token);
|
|
key = this.finalize(node, new Node.Literal(token.value, raw));
|
|
break;
|
|
case token_1.Token.Identifier:
|
|
case token_1.Token.BooleanLiteral:
|
|
case token_1.Token.NullLiteral:
|
|
case token_1.Token.Keyword:
|
|
key = this.finalize(node, new Node.Identifier(token.value));
|
|
break;
|
|
case token_1.Token.Punctuator:
|
|
if (token.value === '[') {
|
|
key = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
this.expect(']');
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
break;
|
|
default:
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
return key;
|
|
};
|
|
Parser.prototype.isPropertyKey = function (key, value) {
|
|
return (key.type === syntax_1.Syntax.Identifier && key.name === value) ||
|
|
(key.type === syntax_1.Syntax.Literal && key.value === value);
|
|
};
|
|
Parser.prototype.parseObjectProperty = function (hasProto) {
|
|
var node = this.createNode();
|
|
var token = this.lookahead;
|
|
var kind;
|
|
var key;
|
|
var value;
|
|
var computed = false;
|
|
var method = false;
|
|
var shorthand = false;
|
|
if (token.type === token_1.Token.Identifier) {
|
|
this.nextToken();
|
|
key = this.finalize(node, new Node.Identifier(token.value));
|
|
}
|
|
else if (this.match('*')) {
|
|
this.nextToken();
|
|
}
|
|
else {
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
}
|
|
var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
|
|
if (token.type === token_1.Token.Identifier && token.value === 'get' && lookaheadPropertyKey) {
|
|
kind = 'get';
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
this.context.allowYield = false;
|
|
value = this.parseGetterMethod();
|
|
}
|
|
else if (token.type === token_1.Token.Identifier && token.value === 'set' && lookaheadPropertyKey) {
|
|
kind = 'set';
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
value = this.parseSetterMethod();
|
|
}
|
|
else if (token.type === token_1.Token.Punctuator && token.value === '*' && lookaheadPropertyKey) {
|
|
kind = 'init';
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
value = this.parseGeneratorMethod();
|
|
method = true;
|
|
}
|
|
else {
|
|
if (!key) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
kind = 'init';
|
|
if (this.match(':')) {
|
|
if (!computed && this.isPropertyKey(key, '__proto__')) {
|
|
if (hasProto.value) {
|
|
this.tolerateError(messages_1.Messages.DuplicateProtoProperty);
|
|
}
|
|
hasProto.value = true;
|
|
}
|
|
this.nextToken();
|
|
value = this.inheritCoverGrammar(this.parseAssignmentExpression);
|
|
}
|
|
else if (this.match('(')) {
|
|
value = this.parsePropertyMethodFunction();
|
|
method = true;
|
|
}
|
|
else if (token.type === token_1.Token.Identifier) {
|
|
var id = this.finalize(node, new Node.Identifier(token.value));
|
|
if (this.match('=')) {
|
|
this.context.firstCoverInitializedNameError = this.lookahead;
|
|
this.nextToken();
|
|
shorthand = true;
|
|
var init = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
value = this.finalize(node, new Node.AssignmentPattern(id, init));
|
|
}
|
|
else {
|
|
shorthand = true;
|
|
value = id;
|
|
}
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken(this.nextToken());
|
|
}
|
|
}
|
|
return this.finalize(node, new Node.Property(kind, key, computed, value, method, shorthand));
|
|
};
|
|
Parser.prototype.parseObjectInitializer = function () {
|
|
var node = this.createNode();
|
|
this.expect('{');
|
|
var properties = [];
|
|
var hasProto = { value: false };
|
|
while (!this.match('}')) {
|
|
properties.push(this.parseObjectProperty(hasProto));
|
|
if (!this.match('}')) {
|
|
this.expectCommaSeparator();
|
|
}
|
|
}
|
|
this.expect('}');
|
|
return this.finalize(node, new Node.ObjectExpression(properties));
|
|
};
|
|
// ECMA-262 12.2.9 Template Literals
|
|
Parser.prototype.parseTemplateHead = function () {
|
|
assert_1.assert(this.lookahead.head, 'Template literal must start with a template head');
|
|
var node = this.createNode();
|
|
var token = this.nextToken();
|
|
var value = {
|
|
raw: token.value.raw,
|
|
cooked: token.value.cooked
|
|
};
|
|
return this.finalize(node, new Node.TemplateElement(value, token.tail));
|
|
};
|
|
Parser.prototype.parseTemplateElement = function () {
|
|
if (this.lookahead.type !== token_1.Token.Template) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
var node = this.createNode();
|
|
var token = this.nextToken();
|
|
var value = {
|
|
raw: token.value.raw,
|
|
cooked: token.value.cooked
|
|
};
|
|
return this.finalize(node, new Node.TemplateElement(value, token.tail));
|
|
};
|
|
Parser.prototype.parseTemplateLiteral = function () {
|
|
var node = this.createNode();
|
|
var expressions = [];
|
|
var quasis = [];
|
|
var quasi = this.parseTemplateHead();
|
|
quasis.push(quasi);
|
|
while (!quasi.tail) {
|
|
expressions.push(this.parseExpression());
|
|
quasi = this.parseTemplateElement();
|
|
quasis.push(quasi);
|
|
}
|
|
return this.finalize(node, new Node.TemplateLiteral(quasis, expressions));
|
|
};
|
|
// ECMA-262 12.2.10 The Grouping Operator
|
|
Parser.prototype.reinterpretExpressionAsPattern = function (expr) {
|
|
switch (expr.type) {
|
|
case syntax_1.Syntax.Identifier:
|
|
case syntax_1.Syntax.MemberExpression:
|
|
case syntax_1.Syntax.RestElement:
|
|
case syntax_1.Syntax.AssignmentPattern:
|
|
break;
|
|
case syntax_1.Syntax.SpreadElement:
|
|
expr.type = syntax_1.Syntax.RestElement;
|
|
this.reinterpretExpressionAsPattern(expr.argument);
|
|
break;
|
|
case syntax_1.Syntax.ArrayExpression:
|
|
expr.type = syntax_1.Syntax.ArrayPattern;
|
|
for (var i = 0; i < expr.elements.length; i++) {
|
|
if (expr.elements[i] !== null) {
|
|
this.reinterpretExpressionAsPattern(expr.elements[i]);
|
|
}
|
|
}
|
|
break;
|
|
case syntax_1.Syntax.ObjectExpression:
|
|
expr.type = syntax_1.Syntax.ObjectPattern;
|
|
for (var i = 0; i < expr.properties.length; i++) {
|
|
this.reinterpretExpressionAsPattern(expr.properties[i].value);
|
|
}
|
|
break;
|
|
case syntax_1.Syntax.AssignmentExpression:
|
|
expr.type = syntax_1.Syntax.AssignmentPattern;
|
|
delete expr.operator;
|
|
this.reinterpretExpressionAsPattern(expr.left);
|
|
break;
|
|
default:
|
|
// Allow other node type for tolerant parsing.
|
|
break;
|
|
}
|
|
};
|
|
Parser.prototype.parseGroupExpression = function () {
|
|
var expr;
|
|
this.expect('(');
|
|
if (this.match(')')) {
|
|
this.nextToken();
|
|
if (!this.match('=>')) {
|
|
this.expect('=>');
|
|
}
|
|
expr = {
|
|
type: ArrowParameterPlaceHolder,
|
|
params: []
|
|
};
|
|
}
|
|
else {
|
|
var startToken = this.lookahead;
|
|
var params = [];
|
|
if (this.match('...')) {
|
|
expr = this.parseRestElement(params);
|
|
this.expect(')');
|
|
if (!this.match('=>')) {
|
|
this.expect('=>');
|
|
}
|
|
expr = {
|
|
type: ArrowParameterPlaceHolder,
|
|
params: [expr]
|
|
};
|
|
}
|
|
else {
|
|
var arrow = false;
|
|
this.context.isBindingElement = true;
|
|
expr = this.inheritCoverGrammar(this.parseAssignmentExpression);
|
|
if (this.match(',')) {
|
|
var expressions = [];
|
|
this.context.isAssignmentTarget = false;
|
|
expressions.push(expr);
|
|
while (this.startMarker.index < this.scanner.length) {
|
|
if (!this.match(',')) {
|
|
break;
|
|
}
|
|
this.nextToken();
|
|
if (this.match('...')) {
|
|
if (!this.context.isBindingElement) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
expressions.push(this.parseRestElement(params));
|
|
this.expect(')');
|
|
if (!this.match('=>')) {
|
|
this.expect('=>');
|
|
}
|
|
this.context.isBindingElement = false;
|
|
for (var i = 0; i < expressions.length; i++) {
|
|
this.reinterpretExpressionAsPattern(expressions[i]);
|
|
}
|
|
arrow = true;
|
|
expr = {
|
|
type: ArrowParameterPlaceHolder,
|
|
params: expressions
|
|
};
|
|
}
|
|
else {
|
|
expressions.push(this.inheritCoverGrammar(this.parseAssignmentExpression));
|
|
}
|
|
if (arrow) {
|
|
break;
|
|
}
|
|
}
|
|
if (!arrow) {
|
|
expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions));
|
|
}
|
|
}
|
|
if (!arrow) {
|
|
this.expect(')');
|
|
if (this.match('=>')) {
|
|
if (expr.type === syntax_1.Syntax.Identifier && expr.name === 'yield') {
|
|
arrow = true;
|
|
expr = {
|
|
type: ArrowParameterPlaceHolder,
|
|
params: [expr]
|
|
};
|
|
}
|
|
if (!arrow) {
|
|
if (!this.context.isBindingElement) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
if (expr.type === syntax_1.Syntax.SequenceExpression) {
|
|
for (var i = 0; i < expr.expressions.length; i++) {
|
|
this.reinterpretExpressionAsPattern(expr.expressions[i]);
|
|
}
|
|
}
|
|
else {
|
|
this.reinterpretExpressionAsPattern(expr);
|
|
}
|
|
var params_1 = (expr.type === syntax_1.Syntax.SequenceExpression ? expr.expressions : [expr]);
|
|
expr = {
|
|
type: ArrowParameterPlaceHolder,
|
|
params: params_1
|
|
};
|
|
}
|
|
}
|
|
this.context.isBindingElement = false;
|
|
}
|
|
}
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.3 Left-Hand-Side Expressions
|
|
Parser.prototype.parseArguments = function () {
|
|
this.expect('(');
|
|
var args = [];
|
|
if (!this.match(')')) {
|
|
while (true) {
|
|
var expr = this.match('...') ? this.parseSpreadElement() :
|
|
this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
args.push(expr);
|
|
if (this.match(')')) {
|
|
break;
|
|
}
|
|
this.expectCommaSeparator();
|
|
}
|
|
}
|
|
this.expect(')');
|
|
return args;
|
|
};
|
|
Parser.prototype.isIdentifierName = function (token) {
|
|
return token.type === token_1.Token.Identifier ||
|
|
token.type === token_1.Token.Keyword ||
|
|
token.type === token_1.Token.BooleanLiteral ||
|
|
token.type === token_1.Token.NullLiteral;
|
|
};
|
|
Parser.prototype.parseIdentifierName = function () {
|
|
var node = this.createNode();
|
|
var token = this.nextToken();
|
|
if (!this.isIdentifierName(token)) {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
return this.finalize(node, new Node.Identifier(token.value));
|
|
};
|
|
Parser.prototype.parseNewExpression = function () {
|
|
var node = this.createNode();
|
|
var id = this.parseIdentifierName();
|
|
assert_1.assert(id.name === 'new', 'New expression must start with `new`');
|
|
var expr;
|
|
if (this.match('.')) {
|
|
this.nextToken();
|
|
if (this.lookahead.type === token_1.Token.Identifier && this.context.inFunctionBody && this.lookahead.value === 'target') {
|
|
var property = this.parseIdentifierName();
|
|
expr = new Node.MetaProperty(id, property);
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
}
|
|
else {
|
|
var callee = this.isolateCoverGrammar(this.parseLeftHandSideExpression);
|
|
var args = this.match('(') ? this.parseArguments() : [];
|
|
expr = new Node.NewExpression(callee, args);
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
}
|
|
return this.finalize(node, expr);
|
|
};
|
|
Parser.prototype.parseLeftHandSideExpressionAllowCall = function () {
|
|
var startToken = this.lookahead;
|
|
var previousAllowIn = this.context.allowIn;
|
|
this.context.allowIn = true;
|
|
var expr;
|
|
if (this.matchKeyword('super') && this.context.inFunctionBody) {
|
|
expr = this.createNode();
|
|
this.nextToken();
|
|
expr = this.finalize(expr, new Node.Super());
|
|
if (!this.match('(') && !this.match('.') && !this.match('[')) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
}
|
|
else {
|
|
expr = this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression);
|
|
}
|
|
while (true) {
|
|
if (this.match('.')) {
|
|
this.context.isBindingElement = false;
|
|
this.context.isAssignmentTarget = true;
|
|
this.expect('.');
|
|
var property = this.parseIdentifierName();
|
|
expr = this.finalize(this.startNode(startToken), new Node.StaticMemberExpression(expr, property));
|
|
}
|
|
else if (this.match('(')) {
|
|
this.context.isBindingElement = false;
|
|
this.context.isAssignmentTarget = false;
|
|
var args = this.parseArguments();
|
|
expr = this.finalize(this.startNode(startToken), new Node.CallExpression(expr, args));
|
|
}
|
|
else if (this.match('[')) {
|
|
this.context.isBindingElement = false;
|
|
this.context.isAssignmentTarget = true;
|
|
this.expect('[');
|
|
var property = this.isolateCoverGrammar(this.parseExpression);
|
|
this.expect(']');
|
|
expr = this.finalize(this.startNode(startToken), new Node.ComputedMemberExpression(expr, property));
|
|
}
|
|
else if (this.lookahead.type === token_1.Token.Template && this.lookahead.head) {
|
|
var quasi = this.parseTemplateLiteral();
|
|
expr = this.finalize(this.startNode(startToken), new Node.TaggedTemplateExpression(expr, quasi));
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
this.context.allowIn = previousAllowIn;
|
|
return expr;
|
|
};
|
|
Parser.prototype.parseSuper = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('super');
|
|
if (!this.match('[') && !this.match('.')) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
return this.finalize(node, new Node.Super());
|
|
};
|
|
Parser.prototype.parseLeftHandSideExpression = function () {
|
|
assert_1.assert(this.context.allowIn, 'callee of new expression always allow in keyword.');
|
|
var node = this.startNode(this.lookahead);
|
|
var expr = (this.matchKeyword('super') && this.context.inFunctionBody) ? this.parseSuper() :
|
|
this.inheritCoverGrammar(this.matchKeyword('new') ? this.parseNewExpression : this.parsePrimaryExpression);
|
|
while (true) {
|
|
if (this.match('[')) {
|
|
this.context.isBindingElement = false;
|
|
this.context.isAssignmentTarget = true;
|
|
this.expect('[');
|
|
var property = this.isolateCoverGrammar(this.parseExpression);
|
|
this.expect(']');
|
|
expr = this.finalize(node, new Node.ComputedMemberExpression(expr, property));
|
|
}
|
|
else if (this.match('.')) {
|
|
this.context.isBindingElement = false;
|
|
this.context.isAssignmentTarget = true;
|
|
this.expect('.');
|
|
var property = this.parseIdentifierName();
|
|
expr = this.finalize(node, new Node.StaticMemberExpression(expr, property));
|
|
}
|
|
else if (this.lookahead.type === token_1.Token.Template && this.lookahead.head) {
|
|
var quasi = this.parseTemplateLiteral();
|
|
expr = this.finalize(node, new Node.TaggedTemplateExpression(expr, quasi));
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.4 Update Expressions
|
|
Parser.prototype.parseUpdateExpression = function () {
|
|
var expr;
|
|
var startToken = this.lookahead;
|
|
if (this.match('++') || this.match('--')) {
|
|
var node = this.startNode(startToken);
|
|
var token = this.nextToken();
|
|
expr = this.inheritCoverGrammar(this.parseUnaryExpression);
|
|
if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) {
|
|
this.tolerateError(messages_1.Messages.StrictLHSPrefix);
|
|
}
|
|
if (!this.context.isAssignmentTarget) {
|
|
this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
|
|
}
|
|
var prefix = true;
|
|
expr = this.finalize(node, new Node.UpdateExpression(token.value, expr, prefix));
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
}
|
|
else {
|
|
expr = this.inheritCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
|
|
if (!this.hasLineTerminator && this.lookahead.type === token_1.Token.Punctuator) {
|
|
if (this.match('++') || this.match('--')) {
|
|
if (this.context.strict && expr.type === syntax_1.Syntax.Identifier && this.scanner.isRestrictedWord(expr.name)) {
|
|
this.tolerateError(messages_1.Messages.StrictLHSPostfix);
|
|
}
|
|
if (!this.context.isAssignmentTarget) {
|
|
this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
|
|
}
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
var operator = this.nextToken().value;
|
|
var prefix = false;
|
|
expr = this.finalize(this.startNode(startToken), new Node.UpdateExpression(operator, expr, prefix));
|
|
}
|
|
}
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.5 Unary Operators
|
|
Parser.prototype.parseUnaryExpression = function () {
|
|
var expr;
|
|
if (this.match('+') || this.match('-') || this.match('~') || this.match('!') ||
|
|
this.matchKeyword('delete') || this.matchKeyword('void') || this.matchKeyword('typeof')) {
|
|
var node = this.startNode(this.lookahead);
|
|
var token = this.nextToken();
|
|
expr = this.inheritCoverGrammar(this.parseUnaryExpression);
|
|
expr = this.finalize(node, new Node.UnaryExpression(token.value, expr));
|
|
if (this.context.strict && expr.operator === 'delete' && expr.argument.type === syntax_1.Syntax.Identifier) {
|
|
this.tolerateError(messages_1.Messages.StrictDelete);
|
|
}
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
}
|
|
else {
|
|
expr = this.parseUpdateExpression();
|
|
}
|
|
return expr;
|
|
};
|
|
Parser.prototype.parseExponentiationExpression = function () {
|
|
var startToken = this.lookahead;
|
|
var expr = this.inheritCoverGrammar(this.parseUnaryExpression);
|
|
if (expr.type !== syntax_1.Syntax.UnaryExpression && this.match('**')) {
|
|
this.nextToken();
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
var left = expr;
|
|
var right = this.isolateCoverGrammar(this.parseExponentiationExpression);
|
|
expr = this.finalize(this.startNode(startToken), new Node.BinaryExpression('**', left, right));
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.6 Exponentiation Operators
|
|
// ECMA-262 12.7 Multiplicative Operators
|
|
// ECMA-262 12.8 Additive Operators
|
|
// ECMA-262 12.9 Bitwise Shift Operators
|
|
// ECMA-262 12.10 Relational Operators
|
|
// ECMA-262 12.11 Equality Operators
|
|
// ECMA-262 12.12 Binary Bitwise Operators
|
|
// ECMA-262 12.13 Binary Logical Operators
|
|
Parser.prototype.binaryPrecedence = function (token) {
|
|
var op = token.value;
|
|
var precedence;
|
|
if (token.type === token_1.Token.Punctuator) {
|
|
precedence = this.operatorPrecedence[op] || 0;
|
|
}
|
|
else if (token.type === token_1.Token.Keyword) {
|
|
precedence = (op === 'instanceof' || (this.context.allowIn && op === 'in')) ? 7 : 0;
|
|
}
|
|
else {
|
|
precedence = 0;
|
|
}
|
|
return precedence;
|
|
};
|
|
Parser.prototype.parseBinaryExpression = function () {
|
|
var startToken = this.lookahead;
|
|
var expr = this.inheritCoverGrammar(this.parseExponentiationExpression);
|
|
var token = this.lookahead;
|
|
var prec = this.binaryPrecedence(token);
|
|
if (prec > 0) {
|
|
this.nextToken();
|
|
token.prec = prec;
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
var markers = [startToken, this.lookahead];
|
|
var left = expr;
|
|
var right = this.isolateCoverGrammar(this.parseExponentiationExpression);
|
|
var stack = [left, token, right];
|
|
while (true) {
|
|
prec = this.binaryPrecedence(this.lookahead);
|
|
if (prec <= 0) {
|
|
break;
|
|
}
|
|
// Reduce: make a binary expression from the three topmost entries.
|
|
while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
|
|
right = stack.pop();
|
|
var operator = stack.pop().value;
|
|
left = stack.pop();
|
|
markers.pop();
|
|
var node = this.startNode(markers[markers.length - 1]);
|
|
stack.push(this.finalize(node, new Node.BinaryExpression(operator, left, right)));
|
|
}
|
|
// Shift.
|
|
token = this.nextToken();
|
|
token.prec = prec;
|
|
stack.push(token);
|
|
markers.push(this.lookahead);
|
|
stack.push(this.isolateCoverGrammar(this.parseExponentiationExpression));
|
|
}
|
|
// Final reduce to clean-up the stack.
|
|
var i = stack.length - 1;
|
|
expr = stack[i];
|
|
markers.pop();
|
|
while (i > 1) {
|
|
var node = this.startNode(markers.pop());
|
|
expr = this.finalize(node, new Node.BinaryExpression(stack[i - 1].value, stack[i - 2], expr));
|
|
i -= 2;
|
|
}
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.14 Conditional Operator
|
|
Parser.prototype.parseConditionalExpression = function () {
|
|
var startToken = this.lookahead;
|
|
var expr = this.inheritCoverGrammar(this.parseBinaryExpression);
|
|
if (this.match('?')) {
|
|
this.nextToken();
|
|
var previousAllowIn = this.context.allowIn;
|
|
this.context.allowIn = true;
|
|
var consequent = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
this.context.allowIn = previousAllowIn;
|
|
this.expect(':');
|
|
var alternate = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
expr = this.finalize(this.startNode(startToken), new Node.ConditionalExpression(expr, consequent, alternate));
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.15 Assignment Operators
|
|
Parser.prototype.checkPatternParam = function (options, param) {
|
|
switch (param.type) {
|
|
case syntax_1.Syntax.Identifier:
|
|
this.validateParam(options, param, param.name);
|
|
break;
|
|
case syntax_1.Syntax.RestElement:
|
|
this.checkPatternParam(options, param.argument);
|
|
break;
|
|
case syntax_1.Syntax.AssignmentPattern:
|
|
this.checkPatternParam(options, param.left);
|
|
break;
|
|
case syntax_1.Syntax.ArrayPattern:
|
|
for (var i = 0; i < param.elements.length; i++) {
|
|
if (param.elements[i] !== null) {
|
|
this.checkPatternParam(options, param.elements[i]);
|
|
}
|
|
}
|
|
break;
|
|
case syntax_1.Syntax.YieldExpression:
|
|
break;
|
|
default:
|
|
assert_1.assert(param.type === syntax_1.Syntax.ObjectPattern, 'Invalid type');
|
|
for (var i = 0; i < param.properties.length; i++) {
|
|
this.checkPatternParam(options, param.properties[i].value);
|
|
}
|
|
break;
|
|
}
|
|
};
|
|
Parser.prototype.reinterpretAsCoverFormalsList = function (expr) {
|
|
var params = [expr];
|
|
var options;
|
|
switch (expr.type) {
|
|
case syntax_1.Syntax.Identifier:
|
|
break;
|
|
case ArrowParameterPlaceHolder:
|
|
params = expr.params;
|
|
break;
|
|
default:
|
|
return null;
|
|
}
|
|
options = {
|
|
paramSet: {}
|
|
};
|
|
for (var i = 0; i < params.length; ++i) {
|
|
var param = params[i];
|
|
if (param.type === syntax_1.Syntax.AssignmentPattern) {
|
|
if (param.right.type === syntax_1.Syntax.YieldExpression) {
|
|
if (param.right.argument) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
param.right.type = syntax_1.Syntax.Identifier;
|
|
param.right.name = 'yield';
|
|
delete param.right.argument;
|
|
delete param.right.delegate;
|
|
}
|
|
}
|
|
this.checkPatternParam(options, param);
|
|
params[i] = param;
|
|
}
|
|
if (this.context.strict || !this.context.allowYield) {
|
|
for (var i = 0; i < params.length; ++i) {
|
|
var param = params[i];
|
|
if (param.type === syntax_1.Syntax.YieldExpression) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
}
|
|
}
|
|
if (options.message === messages_1.Messages.StrictParamDupe) {
|
|
var token = this.context.strict ? options.stricted : options.firstRestricted;
|
|
this.throwUnexpectedToken(token, options.message);
|
|
}
|
|
return {
|
|
params: params,
|
|
stricted: options.stricted,
|
|
firstRestricted: options.firstRestricted,
|
|
message: options.message
|
|
};
|
|
};
|
|
Parser.prototype.parseAssignmentExpression = function () {
|
|
var expr;
|
|
if (!this.context.allowYield && this.matchKeyword('yield')) {
|
|
expr = this.parseYieldExpression();
|
|
}
|
|
else {
|
|
var startToken = this.lookahead;
|
|
var token = startToken;
|
|
expr = this.parseConditionalExpression();
|
|
if (expr.type === ArrowParameterPlaceHolder || this.match('=>')) {
|
|
// ECMA-262 14.2 Arrow Function Definitions
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
var list = this.reinterpretAsCoverFormalsList(expr);
|
|
if (list) {
|
|
if (this.hasLineTerminator) {
|
|
this.tolerateUnexpectedToken(this.lookahead);
|
|
}
|
|
this.context.firstCoverInitializedNameError = null;
|
|
var previousStrict = this.context.strict;
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = true;
|
|
var node = this.startNode(startToken);
|
|
this.expect('=>');
|
|
var body = this.match('{') ? this.parseFunctionSourceElements() :
|
|
this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
var expression = body.type !== syntax_1.Syntax.BlockStatement;
|
|
if (this.context.strict && list.firstRestricted) {
|
|
this.throwUnexpectedToken(list.firstRestricted, list.message);
|
|
}
|
|
if (this.context.strict && list.stricted) {
|
|
this.tolerateUnexpectedToken(list.stricted, list.message);
|
|
}
|
|
expr = this.finalize(node, new Node.ArrowFunctionExpression(list.params, body, expression));
|
|
this.context.strict = previousStrict;
|
|
this.context.allowYield = previousAllowYield;
|
|
}
|
|
}
|
|
else {
|
|
if (this.matchAssign()) {
|
|
if (!this.context.isAssignmentTarget) {
|
|
this.tolerateError(messages_1.Messages.InvalidLHSInAssignment);
|
|
}
|
|
if (this.context.strict && expr.type === syntax_1.Syntax.Identifier) {
|
|
var id = (expr);
|
|
if (this.scanner.isRestrictedWord(id.name)) {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.StrictLHSAssignment);
|
|
}
|
|
if (this.scanner.isStrictModeReservedWord(id.name)) {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
|
|
}
|
|
}
|
|
if (!this.match('=')) {
|
|
this.context.isAssignmentTarget = false;
|
|
this.context.isBindingElement = false;
|
|
}
|
|
else {
|
|
this.reinterpretExpressionAsPattern(expr);
|
|
}
|
|
token = this.nextToken();
|
|
var right = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
expr = this.finalize(this.startNode(startToken), new Node.AssignmentExpression(token.value, expr, right));
|
|
this.context.firstCoverInitializedNameError = null;
|
|
}
|
|
}
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 12.16 Comma Operator
|
|
Parser.prototype.parseExpression = function () {
|
|
var startToken = this.lookahead;
|
|
var expr = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
if (this.match(',')) {
|
|
var expressions = [];
|
|
expressions.push(expr);
|
|
while (this.startMarker.index < this.scanner.length) {
|
|
if (!this.match(',')) {
|
|
break;
|
|
}
|
|
this.nextToken();
|
|
expressions.push(this.isolateCoverGrammar(this.parseAssignmentExpression));
|
|
}
|
|
expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions));
|
|
}
|
|
return expr;
|
|
};
|
|
// ECMA-262 13.2 Block
|
|
Parser.prototype.parseStatementListItem = function () {
|
|
var statement = null;
|
|
this.context.isAssignmentTarget = true;
|
|
this.context.isBindingElement = true;
|
|
if (this.lookahead.type === token_1.Token.Keyword) {
|
|
switch (this.lookahead.value) {
|
|
case 'export':
|
|
if (this.sourceType !== 'module') {
|
|
this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalExportDeclaration);
|
|
}
|
|
statement = this.parseExportDeclaration();
|
|
break;
|
|
case 'import':
|
|
if (this.sourceType !== 'module') {
|
|
this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalImportDeclaration);
|
|
}
|
|
statement = this.parseImportDeclaration();
|
|
break;
|
|
case 'const':
|
|
statement = this.parseLexicalDeclaration({ inFor: false });
|
|
break;
|
|
case 'function':
|
|
statement = this.parseFunctionDeclaration();
|
|
break;
|
|
case 'class':
|
|
statement = this.parseClassDeclaration();
|
|
break;
|
|
case 'let':
|
|
statement = this.isLexicalDeclaration() ? this.parseLexicalDeclaration({ inFor: false }) : this.parseStatement();
|
|
break;
|
|
default:
|
|
statement = this.parseStatement();
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
statement = this.parseStatement();
|
|
}
|
|
return statement;
|
|
};
|
|
Parser.prototype.parseBlock = function () {
|
|
var node = this.createNode();
|
|
this.expect('{');
|
|
var block = [];
|
|
while (true) {
|
|
if (this.match('}')) {
|
|
break;
|
|
}
|
|
block.push(this.parseStatementListItem());
|
|
}
|
|
this.expect('}');
|
|
return this.finalize(node, new Node.BlockStatement(block));
|
|
};
|
|
// ECMA-262 13.3.1 Let and Const Declarations
|
|
Parser.prototype.parseLexicalBinding = function (kind, options) {
|
|
var node = this.createNode();
|
|
var params = [];
|
|
var id = this.parsePattern(params, kind);
|
|
// ECMA-262 12.2.1
|
|
if (this.context.strict && id.type === syntax_1.Syntax.Identifier) {
|
|
if (this.scanner.isRestrictedWord((id).name)) {
|
|
this.tolerateError(messages_1.Messages.StrictVarName);
|
|
}
|
|
}
|
|
var init = null;
|
|
if (kind === 'const') {
|
|
if (!this.matchKeyword('in') && !this.matchContextualKeyword('of')) {
|
|
this.expect('=');
|
|
init = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
}
|
|
}
|
|
else if ((!options.inFor && id.type !== syntax_1.Syntax.Identifier) || this.match('=')) {
|
|
this.expect('=');
|
|
init = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
}
|
|
return this.finalize(node, new Node.VariableDeclarator(id, init));
|
|
};
|
|
Parser.prototype.parseBindingList = function (kind, options) {
|
|
var list = [this.parseLexicalBinding(kind, options)];
|
|
while (this.match(',')) {
|
|
this.nextToken();
|
|
list.push(this.parseLexicalBinding(kind, options));
|
|
}
|
|
return list;
|
|
};
|
|
Parser.prototype.isLexicalDeclaration = function () {
|
|
var previousIndex = this.scanner.index;
|
|
var previousLineNumber = this.scanner.lineNumber;
|
|
var previousLineStart = this.scanner.lineStart;
|
|
this.collectComments();
|
|
var next = this.scanner.lex();
|
|
this.scanner.index = previousIndex;
|
|
this.scanner.lineNumber = previousLineNumber;
|
|
this.scanner.lineStart = previousLineStart;
|
|
return (next.type === token_1.Token.Identifier) ||
|
|
(next.type === token_1.Token.Punctuator && next.value === '[') ||
|
|
(next.type === token_1.Token.Punctuator && next.value === '{') ||
|
|
(next.type === token_1.Token.Keyword && next.value === 'let') ||
|
|
(next.type === token_1.Token.Keyword && next.value === 'yield');
|
|
};
|
|
Parser.prototype.parseLexicalDeclaration = function (options) {
|
|
var node = this.createNode();
|
|
var kind = this.nextToken().value;
|
|
assert_1.assert(kind === 'let' || kind === 'const', 'Lexical declaration must be either let or const');
|
|
var declarations = this.parseBindingList(kind, options);
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, new Node.VariableDeclaration(declarations, kind));
|
|
};
|
|
// ECMA-262 13.3.3 Destructuring Binding Patterns
|
|
Parser.prototype.parseBindingRestElement = function (params, kind) {
|
|
var node = this.createNode();
|
|
this.expect('...');
|
|
var arg = this.parsePattern(params, kind);
|
|
return this.finalize(node, new Node.RestElement(arg));
|
|
};
|
|
Parser.prototype.parseArrayPattern = function (params, kind) {
|
|
var node = this.createNode();
|
|
this.expect('[');
|
|
var elements = [];
|
|
while (!this.match(']')) {
|
|
if (this.match(',')) {
|
|
this.nextToken();
|
|
elements.push(null);
|
|
}
|
|
else {
|
|
if (this.match('...')) {
|
|
elements.push(this.parseBindingRestElement(params, kind));
|
|
break;
|
|
}
|
|
else {
|
|
elements.push(this.parsePatternWithDefault(params, kind));
|
|
}
|
|
if (!this.match(']')) {
|
|
this.expect(',');
|
|
}
|
|
}
|
|
}
|
|
this.expect(']');
|
|
return this.finalize(node, new Node.ArrayPattern(elements));
|
|
};
|
|
Parser.prototype.parsePropertyPattern = function (params, kind) {
|
|
var node = this.createNode();
|
|
var computed = false;
|
|
var shorthand = false;
|
|
var method = false;
|
|
var key;
|
|
var value;
|
|
if (this.lookahead.type === token_1.Token.Identifier) {
|
|
var keyToken = this.lookahead;
|
|
key = this.parseVariableIdentifier();
|
|
var init = this.finalize(node, new Node.Identifier(keyToken.value));
|
|
if (this.match('=')) {
|
|
params.push(keyToken);
|
|
shorthand = true;
|
|
this.nextToken();
|
|
var expr = this.parseAssignmentExpression();
|
|
value = this.finalize(this.startNode(keyToken), new Node.AssignmentPattern(init, expr));
|
|
}
|
|
else if (!this.match(':')) {
|
|
params.push(keyToken);
|
|
shorthand = true;
|
|
value = init;
|
|
}
|
|
else {
|
|
this.expect(':');
|
|
value = this.parsePatternWithDefault(params, kind);
|
|
}
|
|
}
|
|
else {
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
this.expect(':');
|
|
value = this.parsePatternWithDefault(params, kind);
|
|
}
|
|
return this.finalize(node, new Node.Property('init', key, computed, value, method, shorthand));
|
|
};
|
|
Parser.prototype.parseObjectPattern = function (params, kind) {
|
|
var node = this.createNode();
|
|
var properties = [];
|
|
this.expect('{');
|
|
while (!this.match('}')) {
|
|
properties.push(this.parsePropertyPattern(params, kind));
|
|
if (!this.match('}')) {
|
|
this.expect(',');
|
|
}
|
|
}
|
|
this.expect('}');
|
|
return this.finalize(node, new Node.ObjectPattern(properties));
|
|
};
|
|
Parser.prototype.parsePattern = function (params, kind) {
|
|
var pattern;
|
|
if (this.match('[')) {
|
|
pattern = this.parseArrayPattern(params, kind);
|
|
}
|
|
else if (this.match('{')) {
|
|
pattern = this.parseObjectPattern(params, kind);
|
|
}
|
|
else {
|
|
if (this.matchKeyword('let') && (kind === 'const' || kind === 'let')) {
|
|
this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.UnexpectedToken);
|
|
}
|
|
params.push(this.lookahead);
|
|
pattern = this.parseVariableIdentifier(kind);
|
|
}
|
|
return pattern;
|
|
};
|
|
Parser.prototype.parsePatternWithDefault = function (params, kind) {
|
|
var startToken = this.lookahead;
|
|
var pattern = this.parsePattern(params, kind);
|
|
if (this.match('=')) {
|
|
this.nextToken();
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = true;
|
|
var right = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
this.context.allowYield = previousAllowYield;
|
|
pattern = this.finalize(this.startNode(startToken), new Node.AssignmentPattern(pattern, right));
|
|
}
|
|
return pattern;
|
|
};
|
|
// ECMA-262 13.3.2 Variable Statement
|
|
Parser.prototype.parseVariableIdentifier = function (kind) {
|
|
var node = this.createNode();
|
|
var token = this.nextToken();
|
|
if (token.type === token_1.Token.Keyword && token.value === 'yield') {
|
|
if (this.context.strict) {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
|
|
}
|
|
if (!this.context.allowYield) {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
}
|
|
else if (token.type !== token_1.Token.Identifier) {
|
|
if (this.context.strict && token.type === token_1.Token.Keyword && this.scanner.isStrictModeReservedWord(token.value)) {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
|
|
}
|
|
else {
|
|
if (this.context.strict || token.value !== 'let' || kind !== 'var') {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
}
|
|
}
|
|
else if (this.sourceType === 'module' && token.type === token_1.Token.Identifier && token.value === 'await') {
|
|
this.tolerateUnexpectedToken(token);
|
|
}
|
|
return this.finalize(node, new Node.Identifier(token.value));
|
|
};
|
|
Parser.prototype.parseVariableDeclaration = function (options) {
|
|
var node = this.createNode();
|
|
var params = [];
|
|
var id = this.parsePattern(params, 'var');
|
|
// ECMA-262 12.2.1
|
|
if (this.context.strict && id.type === syntax_1.Syntax.Identifier) {
|
|
if (this.scanner.isRestrictedWord((id).name)) {
|
|
this.tolerateError(messages_1.Messages.StrictVarName);
|
|
}
|
|
}
|
|
var init = null;
|
|
if (this.match('=')) {
|
|
this.nextToken();
|
|
init = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
|
}
|
|
else if (id.type !== syntax_1.Syntax.Identifier && !options.inFor) {
|
|
this.expect('=');
|
|
}
|
|
return this.finalize(node, new Node.VariableDeclarator(id, init));
|
|
};
|
|
Parser.prototype.parseVariableDeclarationList = function (options) {
|
|
var opt = { inFor: options.inFor };
|
|
var list = [];
|
|
list.push(this.parseVariableDeclaration(opt));
|
|
while (this.match(',')) {
|
|
this.nextToken();
|
|
list.push(this.parseVariableDeclaration(opt));
|
|
}
|
|
return list;
|
|
};
|
|
Parser.prototype.parseVariableStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('var');
|
|
var declarations = this.parseVariableDeclarationList({ inFor: false });
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, new Node.VariableDeclaration(declarations, 'var'));
|
|
};
|
|
// ECMA-262 13.4 Empty Statement
|
|
Parser.prototype.parseEmptyStatement = function () {
|
|
var node = this.createNode();
|
|
this.expect(';');
|
|
return this.finalize(node, new Node.EmptyStatement());
|
|
};
|
|
// ECMA-262 13.5 Expression Statement
|
|
Parser.prototype.parseExpressionStatement = function () {
|
|
var node = this.createNode();
|
|
var expr = this.parseExpression();
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, new Node.ExpressionStatement(expr));
|
|
};
|
|
// ECMA-262 13.6 If statement
|
|
Parser.prototype.parseIfStatement = function () {
|
|
var node = this.createNode();
|
|
var consequent;
|
|
var alternate = null;
|
|
this.expectKeyword('if');
|
|
this.expect('(');
|
|
var test = this.parseExpression();
|
|
if (!this.match(')') && this.config.tolerant) {
|
|
this.tolerateUnexpectedToken(this.nextToken());
|
|
consequent = this.finalize(this.createNode(), new Node.EmptyStatement());
|
|
}
|
|
else {
|
|
this.expect(')');
|
|
consequent = this.parseStatement();
|
|
if (this.matchKeyword('else')) {
|
|
this.nextToken();
|
|
alternate = this.parseStatement();
|
|
}
|
|
}
|
|
return this.finalize(node, new Node.IfStatement(test, consequent, alternate));
|
|
};
|
|
// ECMA-262 13.7.2 The do-while Statement
|
|
Parser.prototype.parseDoWhileStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('do');
|
|
var previousInIteration = this.context.inIteration;
|
|
this.context.inIteration = true;
|
|
var body = this.parseStatement();
|
|
this.context.inIteration = previousInIteration;
|
|
this.expectKeyword('while');
|
|
this.expect('(');
|
|
var test = this.parseExpression();
|
|
this.expect(')');
|
|
if (this.match(';')) {
|
|
this.nextToken();
|
|
}
|
|
return this.finalize(node, new Node.DoWhileStatement(body, test));
|
|
};
|
|
// ECMA-262 13.7.3 The while Statement
|
|
Parser.prototype.parseWhileStatement = function () {
|
|
var node = this.createNode();
|
|
var body;
|
|
this.expectKeyword('while');
|
|
this.expect('(');
|
|
var test = this.parseExpression();
|
|
if (!this.match(')') && this.config.tolerant) {
|
|
this.tolerateUnexpectedToken(this.nextToken());
|
|
body = this.finalize(this.createNode(), new Node.EmptyStatement());
|
|
}
|
|
else {
|
|
this.expect(')');
|
|
var previousInIteration = this.context.inIteration;
|
|
this.context.inIteration = true;
|
|
body = this.parseStatement();
|
|
this.context.inIteration = previousInIteration;
|
|
}
|
|
return this.finalize(node, new Node.WhileStatement(test, body));
|
|
};
|
|
// ECMA-262 13.7.4 The for Statement
|
|
// ECMA-262 13.7.5 The for-in and for-of Statements
|
|
Parser.prototype.parseForStatement = function () {
|
|
var init = null;
|
|
var test = null;
|
|
var update = null;
|
|
var forIn = true;
|
|
var left, right;
|
|
var node = this.createNode();
|
|
this.expectKeyword('for');
|
|
this.expect('(');
|
|
if (this.match(';')) {
|
|
this.nextToken();
|
|
}
|
|
else {
|
|
if (this.matchKeyword('var')) {
|
|
init = this.createNode();
|
|
this.nextToken();
|
|
var previousAllowIn = this.context.allowIn;
|
|
this.context.allowIn = false;
|
|
var declarations = this.parseVariableDeclarationList({ inFor: true });
|
|
this.context.allowIn = previousAllowIn;
|
|
if (declarations.length === 1 && this.matchKeyword('in')) {
|
|
var decl = declarations[0];
|
|
if (decl.init && (decl.id.type === syntax_1.Syntax.ArrayPattern || decl.id.type === syntax_1.Syntax.ObjectPattern || this.context.strict)) {
|
|
this.tolerateError(messages_1.Messages.ForInOfLoopInitializer, 'for-in');
|
|
}
|
|
init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
|
|
this.nextToken();
|
|
left = init;
|
|
right = this.parseExpression();
|
|
init = null;
|
|
}
|
|
else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) {
|
|
init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
|
|
this.nextToken();
|
|
left = init;
|
|
right = this.parseAssignmentExpression();
|
|
init = null;
|
|
forIn = false;
|
|
}
|
|
else {
|
|
init = this.finalize(init, new Node.VariableDeclaration(declarations, 'var'));
|
|
this.expect(';');
|
|
}
|
|
}
|
|
else if (this.matchKeyword('const') || this.matchKeyword('let')) {
|
|
init = this.createNode();
|
|
var kind = this.nextToken().value;
|
|
if (!this.context.strict && this.lookahead.value === 'in') {
|
|
init = this.finalize(init, new Node.Identifier(kind));
|
|
this.nextToken();
|
|
left = init;
|
|
right = this.parseExpression();
|
|
init = null;
|
|
}
|
|
else {
|
|
var previousAllowIn = this.context.allowIn;
|
|
this.context.allowIn = false;
|
|
var declarations = this.parseBindingList(kind, { inFor: true });
|
|
this.context.allowIn = previousAllowIn;
|
|
if (declarations.length === 1 && declarations[0].init === null && this.matchKeyword('in')) {
|
|
init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
|
|
this.nextToken();
|
|
left = init;
|
|
right = this.parseExpression();
|
|
init = null;
|
|
}
|
|
else if (declarations.length === 1 && declarations[0].init === null && this.matchContextualKeyword('of')) {
|
|
init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
|
|
this.nextToken();
|
|
left = init;
|
|
right = this.parseAssignmentExpression();
|
|
init = null;
|
|
forIn = false;
|
|
}
|
|
else {
|
|
this.consumeSemicolon();
|
|
init = this.finalize(init, new Node.VariableDeclaration(declarations, kind));
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
var initStartToken = this.lookahead;
|
|
var previousAllowIn = this.context.allowIn;
|
|
this.context.allowIn = false;
|
|
init = this.inheritCoverGrammar(this.parseAssignmentExpression);
|
|
this.context.allowIn = previousAllowIn;
|
|
if (this.matchKeyword('in')) {
|
|
if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) {
|
|
this.tolerateError(messages_1.Messages.InvalidLHSInForIn);
|
|
}
|
|
this.nextToken();
|
|
this.reinterpretExpressionAsPattern(init);
|
|
left = init;
|
|
right = this.parseExpression();
|
|
init = null;
|
|
}
|
|
else if (this.matchContextualKeyword('of')) {
|
|
if (!this.context.isAssignmentTarget || init.type === syntax_1.Syntax.AssignmentExpression) {
|
|
this.tolerateError(messages_1.Messages.InvalidLHSInForLoop);
|
|
}
|
|
this.nextToken();
|
|
this.reinterpretExpressionAsPattern(init);
|
|
left = init;
|
|
right = this.parseAssignmentExpression();
|
|
init = null;
|
|
forIn = false;
|
|
}
|
|
else {
|
|
if (this.match(',')) {
|
|
var initSeq = [init];
|
|
while (this.match(',')) {
|
|
this.nextToken();
|
|
initSeq.push(this.isolateCoverGrammar(this.parseAssignmentExpression));
|
|
}
|
|
init = this.finalize(this.startNode(initStartToken), new Node.SequenceExpression(initSeq));
|
|
}
|
|
this.expect(';');
|
|
}
|
|
}
|
|
}
|
|
if (typeof left === 'undefined') {
|
|
if (!this.match(';')) {
|
|
test = this.parseExpression();
|
|
}
|
|
this.expect(';');
|
|
if (!this.match(')')) {
|
|
update = this.parseExpression();
|
|
}
|
|
}
|
|
var body;
|
|
if (!this.match(')') && this.config.tolerant) {
|
|
this.tolerateUnexpectedToken(this.nextToken());
|
|
body = this.finalize(this.createNode(), new Node.EmptyStatement());
|
|
}
|
|
else {
|
|
this.expect(')');
|
|
var previousInIteration = this.context.inIteration;
|
|
this.context.inIteration = true;
|
|
body = this.isolateCoverGrammar(this.parseStatement);
|
|
this.context.inIteration = previousInIteration;
|
|
}
|
|
return (typeof left === 'undefined') ?
|
|
this.finalize(node, new Node.ForStatement(init, test, update, body)) :
|
|
forIn ? this.finalize(node, new Node.ForInStatement(left, right, body)) :
|
|
this.finalize(node, new Node.ForOfStatement(left, right, body));
|
|
};
|
|
// ECMA-262 13.8 The continue statement
|
|
Parser.prototype.parseContinueStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('continue');
|
|
var label = null;
|
|
if (this.lookahead.type === token_1.Token.Identifier && !this.hasLineTerminator) {
|
|
label = this.parseVariableIdentifier();
|
|
var key = '$' + label.name;
|
|
if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
|
|
this.throwError(messages_1.Messages.UnknownLabel, label.name);
|
|
}
|
|
}
|
|
this.consumeSemicolon();
|
|
if (label === null && !this.context.inIteration) {
|
|
this.throwError(messages_1.Messages.IllegalContinue);
|
|
}
|
|
return this.finalize(node, new Node.ContinueStatement(label));
|
|
};
|
|
// ECMA-262 13.9 The break statement
|
|
Parser.prototype.parseBreakStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('break');
|
|
var label = null;
|
|
if (this.lookahead.type === token_1.Token.Identifier && !this.hasLineTerminator) {
|
|
label = this.parseVariableIdentifier();
|
|
var key = '$' + label.name;
|
|
if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
|
|
this.throwError(messages_1.Messages.UnknownLabel, label.name);
|
|
}
|
|
}
|
|
this.consumeSemicolon();
|
|
if (label === null && !this.context.inIteration && !this.context.inSwitch) {
|
|
this.throwError(messages_1.Messages.IllegalBreak);
|
|
}
|
|
return this.finalize(node, new Node.BreakStatement(label));
|
|
};
|
|
// ECMA-262 13.10 The return statement
|
|
Parser.prototype.parseReturnStatement = function () {
|
|
if (!this.context.inFunctionBody) {
|
|
this.tolerateError(messages_1.Messages.IllegalReturn);
|
|
}
|
|
var node = this.createNode();
|
|
this.expectKeyword('return');
|
|
var hasArgument = !this.match(';') && !this.match('}') &&
|
|
!this.hasLineTerminator && this.lookahead.type !== token_1.Token.EOF;
|
|
var argument = hasArgument ? this.parseExpression() : null;
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, new Node.ReturnStatement(argument));
|
|
};
|
|
// ECMA-262 13.11 The with statement
|
|
Parser.prototype.parseWithStatement = function () {
|
|
if (this.context.strict) {
|
|
this.tolerateError(messages_1.Messages.StrictModeWith);
|
|
}
|
|
var node = this.createNode();
|
|
this.expectKeyword('with');
|
|
this.expect('(');
|
|
var object = this.parseExpression();
|
|
this.expect(')');
|
|
var body = this.parseStatement();
|
|
return this.finalize(node, new Node.WithStatement(object, body));
|
|
};
|
|
// ECMA-262 13.12 The switch statement
|
|
Parser.prototype.parseSwitchCase = function () {
|
|
var node = this.createNode();
|
|
var test;
|
|
if (this.matchKeyword('default')) {
|
|
this.nextToken();
|
|
test = null;
|
|
}
|
|
else {
|
|
this.expectKeyword('case');
|
|
test = this.parseExpression();
|
|
}
|
|
this.expect(':');
|
|
var consequent = [];
|
|
while (true) {
|
|
if (this.match('}') || this.matchKeyword('default') || this.matchKeyword('case')) {
|
|
break;
|
|
}
|
|
consequent.push(this.parseStatementListItem());
|
|
}
|
|
return this.finalize(node, new Node.SwitchCase(test, consequent));
|
|
};
|
|
Parser.prototype.parseSwitchStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('switch');
|
|
this.expect('(');
|
|
var discriminant = this.parseExpression();
|
|
this.expect(')');
|
|
var previousInSwitch = this.context.inSwitch;
|
|
this.context.inSwitch = true;
|
|
var cases = [];
|
|
var defaultFound = false;
|
|
this.expect('{');
|
|
while (true) {
|
|
if (this.match('}')) {
|
|
break;
|
|
}
|
|
var clause = this.parseSwitchCase();
|
|
if (clause.test === null) {
|
|
if (defaultFound) {
|
|
this.throwError(messages_1.Messages.MultipleDefaultsInSwitch);
|
|
}
|
|
defaultFound = true;
|
|
}
|
|
cases.push(clause);
|
|
}
|
|
this.expect('}');
|
|
this.context.inSwitch = previousInSwitch;
|
|
return this.finalize(node, new Node.SwitchStatement(discriminant, cases));
|
|
};
|
|
// ECMA-262 13.13 Labelled Statements
|
|
Parser.prototype.parseLabelledStatement = function () {
|
|
var node = this.createNode();
|
|
var expr = this.parseExpression();
|
|
var statement;
|
|
if ((expr.type === syntax_1.Syntax.Identifier) && this.match(':')) {
|
|
this.nextToken();
|
|
var id = (expr);
|
|
var key = '$' + id.name;
|
|
if (Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
|
|
this.throwError(messages_1.Messages.Redeclaration, 'Label', id.name);
|
|
}
|
|
this.context.labelSet[key] = true;
|
|
var labeledBody = this.parseStatement();
|
|
delete this.context.labelSet[key];
|
|
statement = new Node.LabeledStatement(id, labeledBody);
|
|
}
|
|
else {
|
|
this.consumeSemicolon();
|
|
statement = new Node.ExpressionStatement(expr);
|
|
}
|
|
return this.finalize(node, statement);
|
|
};
|
|
// ECMA-262 13.14 The throw statement
|
|
Parser.prototype.parseThrowStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('throw');
|
|
if (this.hasLineTerminator) {
|
|
this.throwError(messages_1.Messages.NewlineAfterThrow);
|
|
}
|
|
var argument = this.parseExpression();
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, new Node.ThrowStatement(argument));
|
|
};
|
|
// ECMA-262 13.15 The try statement
|
|
Parser.prototype.parseCatchClause = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('catch');
|
|
this.expect('(');
|
|
if (this.match(')')) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
var params = [];
|
|
var param = this.parsePattern(params);
|
|
var paramMap = {};
|
|
for (var i = 0; i < params.length; i++) {
|
|
var key = '$' + params[i].value;
|
|
if (Object.prototype.hasOwnProperty.call(paramMap, key)) {
|
|
this.tolerateError(messages_1.Messages.DuplicateBinding, params[i].value);
|
|
}
|
|
paramMap[key] = true;
|
|
}
|
|
if (this.context.strict && param.type === syntax_1.Syntax.Identifier) {
|
|
if (this.scanner.isRestrictedWord((param).name)) {
|
|
this.tolerateError(messages_1.Messages.StrictCatchVariable);
|
|
}
|
|
}
|
|
this.expect(')');
|
|
var body = this.parseBlock();
|
|
return this.finalize(node, new Node.CatchClause(param, body));
|
|
};
|
|
Parser.prototype.parseFinallyClause = function () {
|
|
this.expectKeyword('finally');
|
|
return this.parseBlock();
|
|
};
|
|
Parser.prototype.parseTryStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('try');
|
|
var block = this.parseBlock();
|
|
var handler = this.matchKeyword('catch') ? this.parseCatchClause() : null;
|
|
var finalizer = this.matchKeyword('finally') ? this.parseFinallyClause() : null;
|
|
if (!handler && !finalizer) {
|
|
this.throwError(messages_1.Messages.NoCatchOrFinally);
|
|
}
|
|
return this.finalize(node, new Node.TryStatement(block, handler, finalizer));
|
|
};
|
|
// ECMA-262 13.16 The debugger statement
|
|
Parser.prototype.parseDebuggerStatement = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('debugger');
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, new Node.DebuggerStatement());
|
|
};
|
|
// ECMA-262 13 Statements
|
|
Parser.prototype.parseStatement = function () {
|
|
var statement = null;
|
|
switch (this.lookahead.type) {
|
|
case token_1.Token.BooleanLiteral:
|
|
case token_1.Token.NullLiteral:
|
|
case token_1.Token.NumericLiteral:
|
|
case token_1.Token.StringLiteral:
|
|
case token_1.Token.Template:
|
|
case token_1.Token.RegularExpression:
|
|
statement = this.parseExpressionStatement();
|
|
break;
|
|
case token_1.Token.Punctuator:
|
|
var value = this.lookahead.value;
|
|
if (value === '{') {
|
|
statement = this.parseBlock();
|
|
}
|
|
else if (value === '(') {
|
|
statement = this.parseExpressionStatement();
|
|
}
|
|
else if (value === ';') {
|
|
statement = this.parseEmptyStatement();
|
|
}
|
|
else {
|
|
statement = this.parseExpressionStatement();
|
|
}
|
|
break;
|
|
case token_1.Token.Identifier:
|
|
statement = this.parseLabelledStatement();
|
|
break;
|
|
case token_1.Token.Keyword:
|
|
switch (this.lookahead.value) {
|
|
case 'break':
|
|
statement = this.parseBreakStatement();
|
|
break;
|
|
case 'continue':
|
|
statement = this.parseContinueStatement();
|
|
break;
|
|
case 'debugger':
|
|
statement = this.parseDebuggerStatement();
|
|
break;
|
|
case 'do':
|
|
statement = this.parseDoWhileStatement();
|
|
break;
|
|
case 'for':
|
|
statement = this.parseForStatement();
|
|
break;
|
|
case 'function':
|
|
statement = this.parseFunctionDeclaration();
|
|
break;
|
|
case 'if':
|
|
statement = this.parseIfStatement();
|
|
break;
|
|
case 'return':
|
|
statement = this.parseReturnStatement();
|
|
break;
|
|
case 'switch':
|
|
statement = this.parseSwitchStatement();
|
|
break;
|
|
case 'throw':
|
|
statement = this.parseThrowStatement();
|
|
break;
|
|
case 'try':
|
|
statement = this.parseTryStatement();
|
|
break;
|
|
case 'var':
|
|
statement = this.parseVariableStatement();
|
|
break;
|
|
case 'while':
|
|
statement = this.parseWhileStatement();
|
|
break;
|
|
case 'with':
|
|
statement = this.parseWithStatement();
|
|
break;
|
|
default:
|
|
statement = this.parseExpressionStatement();
|
|
break;
|
|
}
|
|
break;
|
|
default:
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
return statement;
|
|
};
|
|
// ECMA-262 14.1 Function Definition
|
|
Parser.prototype.parseFunctionSourceElements = function () {
|
|
var node = this.createNode();
|
|
this.expect('{');
|
|
var body = this.parseDirectivePrologues();
|
|
var previousLabelSet = this.context.labelSet;
|
|
var previousInIteration = this.context.inIteration;
|
|
var previousInSwitch = this.context.inSwitch;
|
|
var previousInFunctionBody = this.context.inFunctionBody;
|
|
this.context.labelSet = {};
|
|
this.context.inIteration = false;
|
|
this.context.inSwitch = false;
|
|
this.context.inFunctionBody = true;
|
|
while (this.startMarker.index < this.scanner.length) {
|
|
if (this.match('}')) {
|
|
break;
|
|
}
|
|
body.push(this.parseStatementListItem());
|
|
}
|
|
this.expect('}');
|
|
this.context.labelSet = previousLabelSet;
|
|
this.context.inIteration = previousInIteration;
|
|
this.context.inSwitch = previousInSwitch;
|
|
this.context.inFunctionBody = previousInFunctionBody;
|
|
return this.finalize(node, new Node.BlockStatement(body));
|
|
};
|
|
Parser.prototype.validateParam = function (options, param, name) {
|
|
var key = '$' + name;
|
|
if (this.context.strict) {
|
|
if (this.scanner.isRestrictedWord(name)) {
|
|
options.stricted = param;
|
|
options.message = messages_1.Messages.StrictParamName;
|
|
}
|
|
if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
|
|
options.stricted = param;
|
|
options.message = messages_1.Messages.StrictParamDupe;
|
|
}
|
|
}
|
|
else if (!options.firstRestricted) {
|
|
if (this.scanner.isRestrictedWord(name)) {
|
|
options.firstRestricted = param;
|
|
options.message = messages_1.Messages.StrictParamName;
|
|
}
|
|
else if (this.scanner.isStrictModeReservedWord(name)) {
|
|
options.firstRestricted = param;
|
|
options.message = messages_1.Messages.StrictReservedWord;
|
|
}
|
|
else if (Object.prototype.hasOwnProperty.call(options.paramSet, key)) {
|
|
options.stricted = param;
|
|
options.message = messages_1.Messages.StrictParamDupe;
|
|
}
|
|
}
|
|
/* istanbul ignore next */
|
|
if (typeof Object.defineProperty === 'function') {
|
|
Object.defineProperty(options.paramSet, key, { value: true, enumerable: true, writable: true, configurable: true });
|
|
}
|
|
else {
|
|
options.paramSet[key] = true;
|
|
}
|
|
};
|
|
Parser.prototype.parseRestElement = function (params) {
|
|
var node = this.createNode();
|
|
this.expect('...');
|
|
var arg = this.parsePattern(params);
|
|
if (this.match('=')) {
|
|
this.throwError(messages_1.Messages.DefaultRestParameter);
|
|
}
|
|
if (!this.match(')')) {
|
|
this.throwError(messages_1.Messages.ParameterAfterRestParameter);
|
|
}
|
|
return this.finalize(node, new Node.RestElement(arg));
|
|
};
|
|
Parser.prototype.parseFormalParameter = function (options) {
|
|
var params = [];
|
|
var param = this.match('...') ? this.parseRestElement(params) : this.parsePatternWithDefault(params);
|
|
for (var i = 0; i < params.length; i++) {
|
|
this.validateParam(options, params[i], params[i].value);
|
|
}
|
|
options.params.push(param);
|
|
return !this.match(')');
|
|
};
|
|
Parser.prototype.parseFormalParameters = function (firstRestricted) {
|
|
var options;
|
|
options = {
|
|
params: [],
|
|
firstRestricted: firstRestricted
|
|
};
|
|
this.expect('(');
|
|
if (!this.match(')')) {
|
|
options.paramSet = {};
|
|
while (this.startMarker.index < this.scanner.length) {
|
|
if (!this.parseFormalParameter(options)) {
|
|
break;
|
|
}
|
|
this.expect(',');
|
|
}
|
|
}
|
|
this.expect(')');
|
|
return {
|
|
params: options.params,
|
|
stricted: options.stricted,
|
|
firstRestricted: options.firstRestricted,
|
|
message: options.message
|
|
};
|
|
};
|
|
Parser.prototype.parseFunctionDeclaration = function (identifierIsOptional) {
|
|
var node = this.createNode();
|
|
this.expectKeyword('function');
|
|
var isGenerator = this.match('*');
|
|
if (isGenerator) {
|
|
this.nextToken();
|
|
}
|
|
var message;
|
|
var id = null;
|
|
var firstRestricted = null;
|
|
if (!identifierIsOptional || !this.match('(')) {
|
|
var token = this.lookahead;
|
|
id = this.parseVariableIdentifier();
|
|
if (this.context.strict) {
|
|
if (this.scanner.isRestrictedWord(token.value)) {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName);
|
|
}
|
|
}
|
|
else {
|
|
if (this.scanner.isRestrictedWord(token.value)) {
|
|
firstRestricted = token;
|
|
message = messages_1.Messages.StrictFunctionName;
|
|
}
|
|
else if (this.scanner.isStrictModeReservedWord(token.value)) {
|
|
firstRestricted = token;
|
|
message = messages_1.Messages.StrictReservedWord;
|
|
}
|
|
}
|
|
}
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = !isGenerator;
|
|
var formalParameters = this.parseFormalParameters(firstRestricted);
|
|
var params = formalParameters.params;
|
|
var stricted = formalParameters.stricted;
|
|
firstRestricted = formalParameters.firstRestricted;
|
|
if (formalParameters.message) {
|
|
message = formalParameters.message;
|
|
}
|
|
var previousStrict = this.context.strict;
|
|
var body = this.parseFunctionSourceElements();
|
|
if (this.context.strict && firstRestricted) {
|
|
this.throwUnexpectedToken(firstRestricted, message);
|
|
}
|
|
if (this.context.strict && stricted) {
|
|
this.tolerateUnexpectedToken(stricted, message);
|
|
}
|
|
this.context.strict = previousStrict;
|
|
this.context.allowYield = previousAllowYield;
|
|
return this.finalize(node, new Node.FunctionDeclaration(id, params, body, isGenerator));
|
|
};
|
|
Parser.prototype.parseFunctionExpression = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('function');
|
|
var isGenerator = this.match('*');
|
|
if (isGenerator) {
|
|
this.nextToken();
|
|
}
|
|
var message;
|
|
var id = null;
|
|
var firstRestricted;
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = !isGenerator;
|
|
if (!this.match('(')) {
|
|
var token = this.lookahead;
|
|
id = (!this.context.strict && !isGenerator && this.matchKeyword('yield')) ? this.parseIdentifierName() : this.parseVariableIdentifier();
|
|
if (this.context.strict) {
|
|
if (this.scanner.isRestrictedWord(token.value)) {
|
|
this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunctionName);
|
|
}
|
|
}
|
|
else {
|
|
if (this.scanner.isRestrictedWord(token.value)) {
|
|
firstRestricted = token;
|
|
message = messages_1.Messages.StrictFunctionName;
|
|
}
|
|
else if (this.scanner.isStrictModeReservedWord(token.value)) {
|
|
firstRestricted = token;
|
|
message = messages_1.Messages.StrictReservedWord;
|
|
}
|
|
}
|
|
}
|
|
var formalParameters = this.parseFormalParameters(firstRestricted);
|
|
var params = formalParameters.params;
|
|
var stricted = formalParameters.stricted;
|
|
firstRestricted = formalParameters.firstRestricted;
|
|
if (formalParameters.message) {
|
|
message = formalParameters.message;
|
|
}
|
|
var previousStrict = this.context.strict;
|
|
var body = this.parseFunctionSourceElements();
|
|
if (this.context.strict && firstRestricted) {
|
|
this.throwUnexpectedToken(firstRestricted, message);
|
|
}
|
|
if (this.context.strict && stricted) {
|
|
this.tolerateUnexpectedToken(stricted, message);
|
|
}
|
|
this.context.strict = previousStrict;
|
|
this.context.allowYield = previousAllowYield;
|
|
return this.finalize(node, new Node.FunctionExpression(id, params, body, isGenerator));
|
|
};
|
|
// ECMA-262 14.1.1 Directive Prologues
|
|
Parser.prototype.parseDirective = function () {
|
|
var token = this.lookahead;
|
|
var directive = null;
|
|
var node = this.createNode();
|
|
var expr = this.parseExpression();
|
|
if (expr.type === syntax_1.Syntax.Literal) {
|
|
directive = this.getTokenRaw(token).slice(1, -1);
|
|
}
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, directive ? new Node.Directive(expr, directive) :
|
|
new Node.ExpressionStatement(expr));
|
|
};
|
|
Parser.prototype.parseDirectivePrologues = function () {
|
|
var firstRestricted = null;
|
|
var body = [];
|
|
while (true) {
|
|
var token = this.lookahead;
|
|
if (token.type !== token_1.Token.StringLiteral) {
|
|
break;
|
|
}
|
|
var statement = this.parseDirective();
|
|
body.push(statement);
|
|
var directive = statement.directive;
|
|
if (typeof directive !== 'string') {
|
|
break;
|
|
}
|
|
if (directive === 'use strict') {
|
|
this.context.strict = true;
|
|
if (firstRestricted) {
|
|
this.tolerateUnexpectedToken(firstRestricted, messages_1.Messages.StrictOctalLiteral);
|
|
}
|
|
}
|
|
else {
|
|
if (!firstRestricted && token.octal) {
|
|
firstRestricted = token;
|
|
}
|
|
}
|
|
}
|
|
return body;
|
|
};
|
|
// ECMA-262 14.3 Method Definitions
|
|
Parser.prototype.qualifiedPropertyName = function (token) {
|
|
switch (token.type) {
|
|
case token_1.Token.Identifier:
|
|
case token_1.Token.StringLiteral:
|
|
case token_1.Token.BooleanLiteral:
|
|
case token_1.Token.NullLiteral:
|
|
case token_1.Token.NumericLiteral:
|
|
case token_1.Token.Keyword:
|
|
return true;
|
|
case token_1.Token.Punctuator:
|
|
return token.value === '[';
|
|
}
|
|
return false;
|
|
};
|
|
Parser.prototype.parseGetterMethod = function () {
|
|
var node = this.createNode();
|
|
this.expect('(');
|
|
this.expect(')');
|
|
var isGenerator = false;
|
|
var params = {
|
|
params: [],
|
|
stricted: null,
|
|
firstRestricted: null,
|
|
message: null
|
|
};
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = false;
|
|
var method = this.parsePropertyMethod(params);
|
|
this.context.allowYield = previousAllowYield;
|
|
return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator));
|
|
};
|
|
Parser.prototype.parseSetterMethod = function () {
|
|
var node = this.createNode();
|
|
var options = {
|
|
params: [],
|
|
firstRestricted: null,
|
|
paramSet: {}
|
|
};
|
|
var isGenerator = false;
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = false;
|
|
this.expect('(');
|
|
if (this.match(')')) {
|
|
this.tolerateUnexpectedToken(this.lookahead);
|
|
}
|
|
else {
|
|
this.parseFormalParameter(options);
|
|
}
|
|
this.expect(')');
|
|
var method = this.parsePropertyMethod(options);
|
|
this.context.allowYield = previousAllowYield;
|
|
return this.finalize(node, new Node.FunctionExpression(null, options.params, method, isGenerator));
|
|
};
|
|
Parser.prototype.parseGeneratorMethod = function () {
|
|
var node = this.createNode();
|
|
var isGenerator = true;
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = true;
|
|
var params = this.parseFormalParameters();
|
|
this.context.allowYield = false;
|
|
var method = this.parsePropertyMethod(params);
|
|
this.context.allowYield = previousAllowYield;
|
|
return this.finalize(node, new Node.FunctionExpression(null, params.params, method, isGenerator));
|
|
};
|
|
// ECMA-262 14.4 Generator Function Definitions
|
|
Parser.prototype.isStartOfExpression = function () {
|
|
var start = true;
|
|
var value = this.lookahead.value;
|
|
switch (this.lookahead.type) {
|
|
case token_1.Token.Punctuator:
|
|
start = (value === '[') || (value === '(') || (value === '{') ||
|
|
(value === '+') || (value === '-') ||
|
|
(value === '!') || (value === '~') ||
|
|
(value === '++') || (value === '--') ||
|
|
(value === '/') || (value === '/='); // regular expression literal
|
|
break;
|
|
case token_1.Token.Keyword:
|
|
start = (value === 'class') || (value === 'delete') ||
|
|
(value === 'function') || (value === 'let') || (value === 'new') ||
|
|
(value === 'super') || (value === 'this') || (value === 'typeof') ||
|
|
(value === 'void') || (value === 'yield');
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
return start;
|
|
};
|
|
Parser.prototype.parseYieldExpression = function () {
|
|
var node = this.createNode();
|
|
this.expectKeyword('yield');
|
|
var argument = null;
|
|
var delegate = false;
|
|
if (!this.hasLineTerminator) {
|
|
var previousAllowYield = this.context.allowYield;
|
|
this.context.allowYield = false;
|
|
delegate = this.match('*');
|
|
if (delegate) {
|
|
this.nextToken();
|
|
argument = this.parseAssignmentExpression();
|
|
}
|
|
else if (this.isStartOfExpression()) {
|
|
argument = this.parseAssignmentExpression();
|
|
}
|
|
this.context.allowYield = previousAllowYield;
|
|
}
|
|
return this.finalize(node, new Node.YieldExpression(argument, delegate));
|
|
};
|
|
// ECMA-262 14.5 Class Definitions
|
|
Parser.prototype.parseClassElement = function (hasConstructor) {
|
|
var token = this.lookahead;
|
|
var node = this.createNode();
|
|
var kind;
|
|
var key;
|
|
var value;
|
|
var computed = false;
|
|
var method = false;
|
|
var isStatic = false;
|
|
if (this.match('*')) {
|
|
this.nextToken();
|
|
}
|
|
else {
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
var id = key;
|
|
if (id.name === 'static' && (this.qualifiedPropertyName(this.lookahead) || this.match('*'))) {
|
|
token = this.lookahead;
|
|
isStatic = true;
|
|
computed = this.match('[');
|
|
if (this.match('*')) {
|
|
this.nextToken();
|
|
}
|
|
else {
|
|
key = this.parseObjectPropertyKey();
|
|
}
|
|
}
|
|
}
|
|
var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
|
|
if (token.type === token_1.Token.Identifier) {
|
|
if (token.value === 'get' && lookaheadPropertyKey) {
|
|
kind = 'get';
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
this.context.allowYield = false;
|
|
value = this.parseGetterMethod();
|
|
}
|
|
else if (token.value === 'set' && lookaheadPropertyKey) {
|
|
kind = 'set';
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
value = this.parseSetterMethod();
|
|
}
|
|
}
|
|
else if (token.type === token_1.Token.Punctuator && token.value === '*' && lookaheadPropertyKey) {
|
|
kind = 'init';
|
|
computed = this.match('[');
|
|
key = this.parseObjectPropertyKey();
|
|
value = this.parseGeneratorMethod();
|
|
method = true;
|
|
}
|
|
if (!kind && key && this.match('(')) {
|
|
kind = 'init';
|
|
value = this.parsePropertyMethodFunction();
|
|
method = true;
|
|
}
|
|
if (!kind) {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
if (kind === 'init') {
|
|
kind = 'method';
|
|
}
|
|
if (!computed) {
|
|
if (isStatic && this.isPropertyKey(key, 'prototype')) {
|
|
this.throwUnexpectedToken(token, messages_1.Messages.StaticPrototype);
|
|
}
|
|
if (!isStatic && this.isPropertyKey(key, 'constructor')) {
|
|
if (kind !== 'method' || !method || value.generator) {
|
|
this.throwUnexpectedToken(token, messages_1.Messages.ConstructorSpecialMethod);
|
|
}
|
|
if (hasConstructor.value) {
|
|
this.throwUnexpectedToken(token, messages_1.Messages.DuplicateConstructor);
|
|
}
|
|
else {
|
|
hasConstructor.value = true;
|
|
}
|
|
kind = 'constructor';
|
|
}
|
|
}
|
|
return this.finalize(node, new Node.MethodDefinition(key, computed, value, kind, isStatic));
|
|
};
|
|
Parser.prototype.parseClassElementList = function () {
|
|
var body = [];
|
|
var hasConstructor = { value: false };
|
|
this.expect('{');
|
|
while (!this.match('}')) {
|
|
if (this.match(';')) {
|
|
this.nextToken();
|
|
}
|
|
else {
|
|
body.push(this.parseClassElement(hasConstructor));
|
|
}
|
|
}
|
|
this.expect('}');
|
|
return body;
|
|
};
|
|
Parser.prototype.parseClassBody = function () {
|
|
var node = this.createNode();
|
|
var elementList = this.parseClassElementList();
|
|
return this.finalize(node, new Node.ClassBody(elementList));
|
|
};
|
|
Parser.prototype.parseClassDeclaration = function (identifierIsOptional) {
|
|
var node = this.createNode();
|
|
var previousStrict = this.context.strict;
|
|
this.context.strict = true;
|
|
this.expectKeyword('class');
|
|
var id = (identifierIsOptional && (this.lookahead.type !== token_1.Token.Identifier)) ? null : this.parseVariableIdentifier();
|
|
var superClass = null;
|
|
if (this.matchKeyword('extends')) {
|
|
this.nextToken();
|
|
superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
|
|
}
|
|
var classBody = this.parseClassBody();
|
|
this.context.strict = previousStrict;
|
|
return this.finalize(node, new Node.ClassDeclaration(id, superClass, classBody));
|
|
};
|
|
Parser.prototype.parseClassExpression = function () {
|
|
var node = this.createNode();
|
|
var previousStrict = this.context.strict;
|
|
this.context.strict = true;
|
|
this.expectKeyword('class');
|
|
var id = (this.lookahead.type === token_1.Token.Identifier) ? this.parseVariableIdentifier() : null;
|
|
var superClass = null;
|
|
if (this.matchKeyword('extends')) {
|
|
this.nextToken();
|
|
superClass = this.isolateCoverGrammar(this.parseLeftHandSideExpressionAllowCall);
|
|
}
|
|
var classBody = this.parseClassBody();
|
|
this.context.strict = previousStrict;
|
|
return this.finalize(node, new Node.ClassExpression(id, superClass, classBody));
|
|
};
|
|
// ECMA-262 15.1 Scripts
|
|
// ECMA-262 15.2 Modules
|
|
Parser.prototype.parseProgram = function () {
|
|
var node = this.createNode();
|
|
var body = this.parseDirectivePrologues();
|
|
while (this.startMarker.index < this.scanner.length) {
|
|
body.push(this.parseStatementListItem());
|
|
}
|
|
return this.finalize(node, new Node.Program(body, this.sourceType));
|
|
};
|
|
// ECMA-262 15.2.2 Imports
|
|
Parser.prototype.parseModuleSpecifier = function () {
|
|
var node = this.createNode();
|
|
if (this.lookahead.type !== token_1.Token.StringLiteral) {
|
|
this.throwError(messages_1.Messages.InvalidModuleSpecifier);
|
|
}
|
|
var token = this.nextToken();
|
|
var raw = this.getTokenRaw(token);
|
|
return this.finalize(node, new Node.Literal(token.value, raw));
|
|
};
|
|
// import {<foo as bar>} ...;
|
|
Parser.prototype.parseImportSpecifier = function () {
|
|
var node = this.createNode();
|
|
var imported;
|
|
var local;
|
|
if (this.lookahead.type === token_1.Token.Identifier) {
|
|
imported = this.parseVariableIdentifier();
|
|
local = imported;
|
|
if (this.matchContextualKeyword('as')) {
|
|
this.nextToken();
|
|
local = this.parseVariableIdentifier();
|
|
}
|
|
}
|
|
else {
|
|
imported = this.parseIdentifierName();
|
|
local = imported;
|
|
if (this.matchContextualKeyword('as')) {
|
|
this.nextToken();
|
|
local = this.parseVariableIdentifier();
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken(this.nextToken());
|
|
}
|
|
}
|
|
return this.finalize(node, new Node.ImportSpecifier(local, imported));
|
|
};
|
|
// {foo, bar as bas}
|
|
Parser.prototype.parseNamedImports = function () {
|
|
this.expect('{');
|
|
var specifiers = [];
|
|
while (!this.match('}')) {
|
|
specifiers.push(this.parseImportSpecifier());
|
|
if (!this.match('}')) {
|
|
this.expect(',');
|
|
}
|
|
}
|
|
this.expect('}');
|
|
return specifiers;
|
|
};
|
|
// import <foo> ...;
|
|
Parser.prototype.parseImportDefaultSpecifier = function () {
|
|
var node = this.createNode();
|
|
var local = this.parseIdentifierName();
|
|
return this.finalize(node, new Node.ImportDefaultSpecifier(local));
|
|
};
|
|
// import <* as foo> ...;
|
|
Parser.prototype.parseImportNamespaceSpecifier = function () {
|
|
var node = this.createNode();
|
|
this.expect('*');
|
|
if (!this.matchContextualKeyword('as')) {
|
|
this.throwError(messages_1.Messages.NoAsAfterImportNamespace);
|
|
}
|
|
this.nextToken();
|
|
var local = this.parseIdentifierName();
|
|
return this.finalize(node, new Node.ImportNamespaceSpecifier(local));
|
|
};
|
|
Parser.prototype.parseImportDeclaration = function () {
|
|
if (this.context.inFunctionBody) {
|
|
this.throwError(messages_1.Messages.IllegalImportDeclaration);
|
|
}
|
|
var node = this.createNode();
|
|
this.expectKeyword('import');
|
|
var src;
|
|
var specifiers = [];
|
|
if (this.lookahead.type === token_1.Token.StringLiteral) {
|
|
// import 'foo';
|
|
src = this.parseModuleSpecifier();
|
|
}
|
|
else {
|
|
if (this.match('{')) {
|
|
// import {bar}
|
|
specifiers = specifiers.concat(this.parseNamedImports());
|
|
}
|
|
else if (this.match('*')) {
|
|
// import * as foo
|
|
specifiers.push(this.parseImportNamespaceSpecifier());
|
|
}
|
|
else if (this.isIdentifierName(this.lookahead) && !this.matchKeyword('default')) {
|
|
// import foo
|
|
specifiers.push(this.parseImportDefaultSpecifier());
|
|
if (this.match(',')) {
|
|
this.nextToken();
|
|
if (this.match('*')) {
|
|
// import foo, * as foo
|
|
specifiers.push(this.parseImportNamespaceSpecifier());
|
|
}
|
|
else if (this.match('{')) {
|
|
// import foo, {bar}
|
|
specifiers = specifiers.concat(this.parseNamedImports());
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
}
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken(this.nextToken());
|
|
}
|
|
if (!this.matchContextualKeyword('from')) {
|
|
var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
|
|
this.throwError(message, this.lookahead.value);
|
|
}
|
|
this.nextToken();
|
|
src = this.parseModuleSpecifier();
|
|
}
|
|
this.consumeSemicolon();
|
|
return this.finalize(node, new Node.ImportDeclaration(specifiers, src));
|
|
};
|
|
// ECMA-262 15.2.3 Exports
|
|
Parser.prototype.parseExportSpecifier = function () {
|
|
var node = this.createNode();
|
|
var local = this.parseIdentifierName();
|
|
var exported = local;
|
|
if (this.matchContextualKeyword('as')) {
|
|
this.nextToken();
|
|
exported = this.parseIdentifierName();
|
|
}
|
|
return this.finalize(node, new Node.ExportSpecifier(local, exported));
|
|
};
|
|
Parser.prototype.parseExportDeclaration = function () {
|
|
if (this.context.inFunctionBody) {
|
|
this.throwError(messages_1.Messages.IllegalExportDeclaration);
|
|
}
|
|
var node = this.createNode();
|
|
this.expectKeyword('export');
|
|
var exportDeclaration;
|
|
if (this.matchKeyword('default')) {
|
|
// export default ...
|
|
this.nextToken();
|
|
if (this.matchKeyword('function')) {
|
|
// export default function foo () {}
|
|
// export default function () {}
|
|
var declaration = this.parseFunctionDeclaration(true);
|
|
exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
|
|
}
|
|
else if (this.matchKeyword('class')) {
|
|
// export default class foo {}
|
|
var declaration = this.parseClassDeclaration(true);
|
|
exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
|
|
}
|
|
else {
|
|
if (this.matchContextualKeyword('from')) {
|
|
this.throwError(messages_1.Messages.UnexpectedToken, this.lookahead.value);
|
|
}
|
|
// export default {};
|
|
// export default [];
|
|
// export default (1 + 2);
|
|
var declaration = this.match('{') ? this.parseObjectInitializer() :
|
|
this.match('[') ? this.parseArrayInitializer() : this.parseAssignmentExpression();
|
|
this.consumeSemicolon();
|
|
exportDeclaration = this.finalize(node, new Node.ExportDefaultDeclaration(declaration));
|
|
}
|
|
}
|
|
else if (this.match('*')) {
|
|
// export * from 'foo';
|
|
this.nextToken();
|
|
if (!this.matchContextualKeyword('from')) {
|
|
var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
|
|
this.throwError(message, this.lookahead.value);
|
|
}
|
|
this.nextToken();
|
|
var src = this.parseModuleSpecifier();
|
|
this.consumeSemicolon();
|
|
exportDeclaration = this.finalize(node, new Node.ExportAllDeclaration(src));
|
|
}
|
|
else if (this.lookahead.type === token_1.Token.Keyword) {
|
|
// export var f = 1;
|
|
var declaration = void 0;
|
|
switch (this.lookahead.value) {
|
|
case 'let':
|
|
case 'const':
|
|
declaration = this.parseLexicalDeclaration({ inFor: false });
|
|
break;
|
|
case 'var':
|
|
case 'class':
|
|
case 'function':
|
|
declaration = this.parseStatementListItem();
|
|
break;
|
|
default:
|
|
this.throwUnexpectedToken(this.lookahead);
|
|
}
|
|
exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(declaration, [], null));
|
|
}
|
|
else {
|
|
var specifiers = [];
|
|
var source = null;
|
|
var isExportFromIdentifier = false;
|
|
this.expect('{');
|
|
while (!this.match('}')) {
|
|
isExportFromIdentifier = isExportFromIdentifier || this.matchKeyword('default');
|
|
specifiers.push(this.parseExportSpecifier());
|
|
if (!this.match('}')) {
|
|
this.expect(',');
|
|
}
|
|
}
|
|
this.expect('}');
|
|
if (this.matchContextualKeyword('from')) {
|
|
// export {default} from 'foo';
|
|
// export {foo} from 'foo';
|
|
this.nextToken();
|
|
source = this.parseModuleSpecifier();
|
|
this.consumeSemicolon();
|
|
}
|
|
else if (isExportFromIdentifier) {
|
|
// export {default}; // missing fromClause
|
|
var message = this.lookahead.value ? messages_1.Messages.UnexpectedToken : messages_1.Messages.MissingFromClause;
|
|
this.throwError(message, this.lookahead.value);
|
|
}
|
|
else {
|
|
// export {foo};
|
|
this.consumeSemicolon();
|
|
}
|
|
exportDeclaration = this.finalize(node, new Node.ExportNamedDeclaration(null, specifiers, source));
|
|
}
|
|
return exportDeclaration;
|
|
};
|
|
return Parser;
|
|
}());
|
|
exports.Parser = Parser;
|
|
|
|
|
|
/***/ },
|
|
/* 4 */
|
|
/***/ function(module, exports) {
|
|
|
|
// Ensure the condition is true, otherwise throw an error.
|
|
// This is only to have a better contract semantic, i.e. another safety net
|
|
// to catch a logic error. The condition shall be fulfilled in normal case.
|
|
// Do NOT use this to enforce a certain condition on any user input.
|
|
"use strict";
|
|
function assert(condition, message) {
|
|
/* istanbul ignore if */
|
|
if (!condition) {
|
|
throw new Error('ASSERT: ' + message);
|
|
}
|
|
}
|
|
exports.assert = assert;
|
|
|
|
|
|
/***/ },
|
|
/* 5 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
// Error messages should be identical to V8.
|
|
exports.Messages = {
|
|
UnexpectedToken: 'Unexpected token %0',
|
|
UnexpectedTokenIllegal: 'Unexpected token ILLEGAL',
|
|
UnexpectedNumber: 'Unexpected number',
|
|
UnexpectedString: 'Unexpected string',
|
|
UnexpectedIdentifier: 'Unexpected identifier',
|
|
UnexpectedReserved: 'Unexpected reserved word',
|
|
UnexpectedTemplate: 'Unexpected quasi %0',
|
|
UnexpectedEOS: 'Unexpected end of input',
|
|
NewlineAfterThrow: 'Illegal newline after throw',
|
|
InvalidRegExp: 'Invalid regular expression',
|
|
UnterminatedRegExp: 'Invalid regular expression: missing /',
|
|
InvalidLHSInAssignment: 'Invalid left-hand side in assignment',
|
|
InvalidLHSInForIn: 'Invalid left-hand side in for-in',
|
|
InvalidLHSInForLoop: 'Invalid left-hand side in for-loop',
|
|
MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
|
|
NoCatchOrFinally: 'Missing catch or finally after try',
|
|
UnknownLabel: 'Undefined label \'%0\'',
|
|
Redeclaration: '%0 \'%1\' has already been declared',
|
|
IllegalContinue: 'Illegal continue statement',
|
|
IllegalBreak: 'Illegal break statement',
|
|
IllegalReturn: 'Illegal return statement',
|
|
StrictModeWith: 'Strict mode code may not include a with statement',
|
|
StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode',
|
|
StrictVarName: 'Variable name may not be eval or arguments in strict mode',
|
|
StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode',
|
|
StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
|
|
StrictFunctionName: 'Function name may not be eval or arguments in strict mode',
|
|
StrictOctalLiteral: 'Octal literals are not allowed in strict mode.',
|
|
StrictDelete: 'Delete of an unqualified identifier in strict mode.',
|
|
StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode',
|
|
StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode',
|
|
StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode',
|
|
StrictReservedWord: 'Use of future reserved word in strict mode',
|
|
TemplateOctalLiteral: 'Octal literals are not allowed in template strings.',
|
|
ParameterAfterRestParameter: 'Rest parameter must be last formal parameter',
|
|
DefaultRestParameter: 'Unexpected token =',
|
|
DuplicateProtoProperty: 'Duplicate __proto__ fields are not allowed in object literals',
|
|
ConstructorSpecialMethod: 'Class constructor may not be an accessor',
|
|
DuplicateConstructor: 'A class may only have one constructor',
|
|
StaticPrototype: 'Classes may not have static property named prototype',
|
|
MissingFromClause: 'Unexpected token',
|
|
NoAsAfterImportNamespace: 'Unexpected token',
|
|
InvalidModuleSpecifier: 'Unexpected token',
|
|
IllegalImportDeclaration: 'Unexpected token',
|
|
IllegalExportDeclaration: 'Unexpected token',
|
|
DuplicateBinding: 'Duplicate binding %0',
|
|
ForInOfLoopInitializer: '%0 loop variable declaration may not have an initializer'
|
|
};
|
|
|
|
|
|
/***/ },
|
|
/* 6 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
var ErrorHandler = (function () {
|
|
function ErrorHandler() {
|
|
this.errors = [];
|
|
this.tolerant = false;
|
|
}
|
|
;
|
|
ErrorHandler.prototype.recordError = function (error) {
|
|
this.errors.push(error);
|
|
};
|
|
;
|
|
ErrorHandler.prototype.tolerate = function (error) {
|
|
if (this.tolerant) {
|
|
this.recordError(error);
|
|
}
|
|
else {
|
|
throw error;
|
|
}
|
|
};
|
|
;
|
|
ErrorHandler.prototype.constructError = function (msg, column) {
|
|
var error = new Error(msg);
|
|
try {
|
|
throw error;
|
|
}
|
|
catch (base) {
|
|
/* istanbul ignore else */
|
|
if (Object.create && Object.defineProperty) {
|
|
error = Object.create(base);
|
|
Object.defineProperty(error, 'column', { value: column });
|
|
}
|
|
}
|
|
finally {
|
|
return error;
|
|
}
|
|
};
|
|
;
|
|
ErrorHandler.prototype.createError = function (index, line, col, description) {
|
|
var msg = 'Line ' + line + ': ' + description;
|
|
var error = this.constructError(msg, col);
|
|
error.index = index;
|
|
error.lineNumber = line;
|
|
error.description = description;
|
|
return error;
|
|
};
|
|
;
|
|
ErrorHandler.prototype.throwError = function (index, line, col, description) {
|
|
throw this.createError(index, line, col, description);
|
|
};
|
|
;
|
|
ErrorHandler.prototype.tolerateError = function (index, line, col, description) {
|
|
var error = this.createError(index, line, col, description);
|
|
if (this.tolerant) {
|
|
this.recordError(error);
|
|
}
|
|
else {
|
|
throw error;
|
|
}
|
|
};
|
|
;
|
|
return ErrorHandler;
|
|
}());
|
|
exports.ErrorHandler = ErrorHandler;
|
|
|
|
|
|
/***/ },
|
|
/* 7 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
(function (Token) {
|
|
Token[Token["BooleanLiteral"] = 1] = "BooleanLiteral";
|
|
Token[Token["EOF"] = 2] = "EOF";
|
|
Token[Token["Identifier"] = 3] = "Identifier";
|
|
Token[Token["Keyword"] = 4] = "Keyword";
|
|
Token[Token["NullLiteral"] = 5] = "NullLiteral";
|
|
Token[Token["NumericLiteral"] = 6] = "NumericLiteral";
|
|
Token[Token["Punctuator"] = 7] = "Punctuator";
|
|
Token[Token["StringLiteral"] = 8] = "StringLiteral";
|
|
Token[Token["RegularExpression"] = 9] = "RegularExpression";
|
|
Token[Token["Template"] = 10] = "Template";
|
|
})(exports.Token || (exports.Token = {}));
|
|
var Token = exports.Token;
|
|
;
|
|
exports.TokenName = {};
|
|
exports.TokenName[Token.BooleanLiteral] = 'Boolean';
|
|
exports.TokenName[Token.EOF] = '<end>';
|
|
exports.TokenName[Token.Identifier] = 'Identifier';
|
|
exports.TokenName[Token.Keyword] = 'Keyword';
|
|
exports.TokenName[Token.NullLiteral] = 'Null';
|
|
exports.TokenName[Token.NumericLiteral] = 'Numeric';
|
|
exports.TokenName[Token.Punctuator] = 'Punctuator';
|
|
exports.TokenName[Token.StringLiteral] = 'String';
|
|
exports.TokenName[Token.RegularExpression] = 'RegularExpression';
|
|
exports.TokenName[Token.Template] = 'Template';
|
|
|
|
|
|
/***/ },
|
|
/* 8 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
var assert_1 = __webpack_require__(4);
|
|
var messages_1 = __webpack_require__(5);
|
|
var character_1 = __webpack_require__(9);
|
|
var token_1 = __webpack_require__(7);
|
|
function hexValue(ch) {
|
|
return '0123456789abcdef'.indexOf(ch.toLowerCase());
|
|
}
|
|
function octalValue(ch) {
|
|
return '01234567'.indexOf(ch);
|
|
}
|
|
var Scanner = (function () {
|
|
function Scanner(code, handler) {
|
|
this.source = code;
|
|
this.errorHandler = handler;
|
|
this.trackComment = false;
|
|
this.length = code.length;
|
|
this.index = 0;
|
|
this.lineNumber = (code.length > 0) ? 1 : 0;
|
|
this.lineStart = 0;
|
|
this.curlyStack = [];
|
|
}
|
|
;
|
|
Scanner.prototype.eof = function () {
|
|
return this.index >= this.length;
|
|
};
|
|
;
|
|
Scanner.prototype.throwUnexpectedToken = function (message) {
|
|
if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; }
|
|
this.errorHandler.throwError(this.index, this.lineNumber, this.index - this.lineStart + 1, message);
|
|
};
|
|
;
|
|
Scanner.prototype.tolerateUnexpectedToken = function () {
|
|
this.errorHandler.tolerateError(this.index, this.lineNumber, this.index - this.lineStart + 1, messages_1.Messages.UnexpectedTokenIllegal);
|
|
};
|
|
;
|
|
// ECMA-262 11.4 Comments
|
|
Scanner.prototype.skipSingleLineComment = function (offset) {
|
|
var comments;
|
|
var start, loc;
|
|
if (this.trackComment) {
|
|
comments = [];
|
|
start = this.index - offset;
|
|
loc = {
|
|
start: {
|
|
line: this.lineNumber,
|
|
column: this.index - this.lineStart - offset
|
|
},
|
|
end: {}
|
|
};
|
|
}
|
|
while (!this.eof()) {
|
|
var ch = this.source.charCodeAt(this.index);
|
|
++this.index;
|
|
if (character_1.Character.isLineTerminator(ch)) {
|
|
if (this.trackComment) {
|
|
loc.end = {
|
|
line: this.lineNumber,
|
|
column: this.index - this.lineStart - 1
|
|
};
|
|
var entry = {
|
|
multiLine: false,
|
|
slice: [start + offset, this.index - 1],
|
|
range: [start, this.index - 1],
|
|
loc: loc
|
|
};
|
|
comments.push(entry);
|
|
}
|
|
if (ch === 13 && this.source.charCodeAt(this.index) === 10) {
|
|
++this.index;
|
|
}
|
|
++this.lineNumber;
|
|
this.lineStart = this.index;
|
|
return comments;
|
|
}
|
|
}
|
|
if (this.trackComment) {
|
|
loc.end = {
|
|
line: this.lineNumber,
|
|
column: this.index - this.lineStart
|
|
};
|
|
var entry = {
|
|
multiLine: false,
|
|
slice: [start + offset, this.index],
|
|
range: [start, this.index],
|
|
loc: loc
|
|
};
|
|
comments.push(entry);
|
|
}
|
|
return comments;
|
|
};
|
|
;
|
|
Scanner.prototype.skipMultiLineComment = function () {
|
|
var comments;
|
|
var start, loc;
|
|
if (this.trackComment) {
|
|
comments = [];
|
|
start = this.index - 2;
|
|
loc = {
|
|
start: {
|
|
line: this.lineNumber,
|
|
column: this.index - this.lineStart - 2
|
|
},
|
|
end: {}
|
|
};
|
|
}
|
|
while (!this.eof()) {
|
|
var ch = this.source.charCodeAt(this.index);
|
|
if (character_1.Character.isLineTerminator(ch)) {
|
|
if (ch === 0x0D && this.source.charCodeAt(this.index + 1) === 0x0A) {
|
|
++this.index;
|
|
}
|
|
++this.lineNumber;
|
|
++this.index;
|
|
this.lineStart = this.index;
|
|
}
|
|
else if (ch === 0x2A) {
|
|
// Block comment ends with '*/'.
|
|
if (this.source.charCodeAt(this.index + 1) === 0x2F) {
|
|
this.index += 2;
|
|
if (this.trackComment) {
|
|
loc.end = {
|
|
line: this.lineNumber,
|
|
column: this.index - this.lineStart
|
|
};
|
|
var entry = {
|
|
multiLine: true,
|
|
slice: [start + 2, this.index - 2],
|
|
range: [start, this.index],
|
|
loc: loc
|
|
};
|
|
comments.push(entry);
|
|
}
|
|
return comments;
|
|
}
|
|
++this.index;
|
|
}
|
|
else {
|
|
++this.index;
|
|
}
|
|
}
|
|
// Ran off the end of the file - the whole thing is a comment
|
|
if (this.trackComment) {
|
|
loc.end = {
|
|
line: this.lineNumber,
|
|
column: this.index - this.lineStart
|
|
};
|
|
var entry = {
|
|
multiLine: true,
|
|
slice: [start + 2, this.index],
|
|
range: [start, this.index],
|
|
loc: loc
|
|
};
|
|
comments.push(entry);
|
|
}
|
|
this.tolerateUnexpectedToken();
|
|
return comments;
|
|
};
|
|
;
|
|
Scanner.prototype.scanComments = function () {
|
|
var comments;
|
|
if (this.trackComment) {
|
|
comments = [];
|
|
}
|
|
var start = (this.index === 0);
|
|
while (!this.eof()) {
|
|
var ch = this.source.charCodeAt(this.index);
|
|
if (character_1.Character.isWhiteSpace(ch)) {
|
|
++this.index;
|
|
}
|
|
else if (character_1.Character.isLineTerminator(ch)) {
|
|
++this.index;
|
|
if (ch === 0x0D && this.source.charCodeAt(this.index) === 0x0A) {
|
|
++this.index;
|
|
}
|
|
++this.lineNumber;
|
|
this.lineStart = this.index;
|
|
start = true;
|
|
}
|
|
else if (ch === 0x2F) {
|
|
ch = this.source.charCodeAt(this.index + 1);
|
|
if (ch === 0x2F) {
|
|
this.index += 2;
|
|
var comment = this.skipSingleLineComment(2);
|
|
if (this.trackComment) {
|
|
comments = comments.concat(comment);
|
|
}
|
|
start = true;
|
|
}
|
|
else if (ch === 0x2A) {
|
|
this.index += 2;
|
|
var comment = this.skipMultiLineComment();
|
|
if (this.trackComment) {
|
|
comments = comments.concat(comment);
|
|
}
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
else if (start && ch === 0x2D) {
|
|
// U+003E is '>'
|
|
if ((this.source.charCodeAt(this.index + 1) === 0x2D) && (this.source.charCodeAt(this.index + 2) === 0x3E)) {
|
|
// '-->' is a single-line comment
|
|
this.index += 3;
|
|
var comment = this.skipSingleLineComment(3);
|
|
if (this.trackComment) {
|
|
comments = comments.concat(comment);
|
|
}
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
else if (ch === 0x3C) {
|
|
if (this.source.slice(this.index + 1, this.index + 4) === '!--') {
|
|
this.index += 4; // `<!--`
|
|
var comment = this.skipSingleLineComment(4);
|
|
if (this.trackComment) {
|
|
comments = comments.concat(comment);
|
|
}
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
return comments;
|
|
};
|
|
;
|
|
// ECMA-262 11.6.2.2 Future Reserved Words
|
|
Scanner.prototype.isFutureReservedWord = function (id) {
|
|
switch (id) {
|
|
case 'enum':
|
|
case 'export':
|
|
case 'import':
|
|
case 'super':
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
};
|
|
;
|
|
Scanner.prototype.isStrictModeReservedWord = function (id) {
|
|
switch (id) {
|
|
case 'implements':
|
|
case 'interface':
|
|
case 'package':
|
|
case 'private':
|
|
case 'protected':
|
|
case 'public':
|
|
case 'static':
|
|
case 'yield':
|
|
case 'let':
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
};
|
|
;
|
|
Scanner.prototype.isRestrictedWord = function (id) {
|
|
return id === 'eval' || id === 'arguments';
|
|
};
|
|
;
|
|
// ECMA-262 11.6.2.1 Keywords
|
|
Scanner.prototype.isKeyword = function (id) {
|
|
switch (id.length) {
|
|
case 2:
|
|
return (id === 'if') || (id === 'in') || (id === 'do');
|
|
case 3:
|
|
return (id === 'var') || (id === 'for') || (id === 'new') ||
|
|
(id === 'try') || (id === 'let');
|
|
case 4:
|
|
return (id === 'this') || (id === 'else') || (id === 'case') ||
|
|
(id === 'void') || (id === 'with') || (id === 'enum');
|
|
case 5:
|
|
return (id === 'while') || (id === 'break') || (id === 'catch') ||
|
|
(id === 'throw') || (id === 'const') || (id === 'yield') ||
|
|
(id === 'class') || (id === 'super');
|
|
case 6:
|
|
return (id === 'return') || (id === 'typeof') || (id === 'delete') ||
|
|
(id === 'switch') || (id === 'export') || (id === 'import');
|
|
case 7:
|
|
return (id === 'default') || (id === 'finally') || (id === 'extends');
|
|
case 8:
|
|
return (id === 'function') || (id === 'continue') || (id === 'debugger');
|
|
case 10:
|
|
return (id === 'instanceof');
|
|
default:
|
|
return false;
|
|
}
|
|
};
|
|
;
|
|
Scanner.prototype.codePointAt = function (i) {
|
|
var cp = this.source.charCodeAt(i);
|
|
if (cp >= 0xD800 && cp <= 0xDBFF) {
|
|
var second = this.source.charCodeAt(i + 1);
|
|
if (second >= 0xDC00 && second <= 0xDFFF) {
|
|
var first = cp;
|
|
cp = (first - 0xD800) * 0x400 + second - 0xDC00 + 0x10000;
|
|
}
|
|
}
|
|
return cp;
|
|
};
|
|
;
|
|
Scanner.prototype.scanHexEscape = function (prefix) {
|
|
var len = (prefix === 'u') ? 4 : 2;
|
|
var code = 0;
|
|
for (var i = 0; i < len; ++i) {
|
|
if (!this.eof() && character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) {
|
|
code = code * 16 + hexValue(this.source[this.index++]);
|
|
}
|
|
else {
|
|
return '';
|
|
}
|
|
}
|
|
return String.fromCharCode(code);
|
|
};
|
|
;
|
|
Scanner.prototype.scanUnicodeCodePointEscape = function () {
|
|
var ch = this.source[this.index];
|
|
var code = 0;
|
|
// At least, one hex digit is required.
|
|
if (ch === '}') {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
while (!this.eof()) {
|
|
ch = this.source[this.index++];
|
|
if (!character_1.Character.isHexDigit(ch.charCodeAt(0))) {
|
|
break;
|
|
}
|
|
code = code * 16 + hexValue(ch);
|
|
}
|
|
if (code > 0x10FFFF || ch !== '}') {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
return character_1.Character.fromCodePoint(code);
|
|
};
|
|
;
|
|
Scanner.prototype.getIdentifier = function () {
|
|
var start = this.index++;
|
|
while (!this.eof()) {
|
|
var ch = this.source.charCodeAt(this.index);
|
|
if (ch === 0x5C) {
|
|
// Blackslash (U+005C) marks Unicode escape sequence.
|
|
this.index = start;
|
|
return this.getComplexIdentifier();
|
|
}
|
|
else if (ch >= 0xD800 && ch < 0xDFFF) {
|
|
// Need to handle surrogate pairs.
|
|
this.index = start;
|
|
return this.getComplexIdentifier();
|
|
}
|
|
if (character_1.Character.isIdentifierPart(ch)) {
|
|
++this.index;
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
return this.source.slice(start, this.index);
|
|
};
|
|
;
|
|
Scanner.prototype.getComplexIdentifier = function () {
|
|
var cp = this.codePointAt(this.index);
|
|
var id = character_1.Character.fromCodePoint(cp);
|
|
this.index += id.length;
|
|
// '\u' (U+005C, U+0075) denotes an escaped character.
|
|
var ch;
|
|
if (cp === 0x5C) {
|
|
if (this.source.charCodeAt(this.index) !== 0x75) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
++this.index;
|
|
if (this.source[this.index] === '{') {
|
|
++this.index;
|
|
ch = this.scanUnicodeCodePointEscape();
|
|
}
|
|
else {
|
|
ch = this.scanHexEscape('u');
|
|
cp = ch.charCodeAt(0);
|
|
if (!ch || ch === '\\' || !character_1.Character.isIdentifierStart(cp)) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
}
|
|
id = ch;
|
|
}
|
|
while (!this.eof()) {
|
|
cp = this.codePointAt(this.index);
|
|
if (!character_1.Character.isIdentifierPart(cp)) {
|
|
break;
|
|
}
|
|
ch = character_1.Character.fromCodePoint(cp);
|
|
id += ch;
|
|
this.index += ch.length;
|
|
// '\u' (U+005C, U+0075) denotes an escaped character.
|
|
if (cp === 0x5C) {
|
|
id = id.substr(0, id.length - 1);
|
|
if (this.source.charCodeAt(this.index) !== 0x75) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
++this.index;
|
|
if (this.source[this.index] === '{') {
|
|
++this.index;
|
|
ch = this.scanUnicodeCodePointEscape();
|
|
}
|
|
else {
|
|
ch = this.scanHexEscape('u');
|
|
cp = ch.charCodeAt(0);
|
|
if (!ch || ch === '\\' || !character_1.Character.isIdentifierPart(cp)) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
}
|
|
id += ch;
|
|
}
|
|
}
|
|
return id;
|
|
};
|
|
;
|
|
Scanner.prototype.octalToDecimal = function (ch) {
|
|
// \0 is not octal escape sequence
|
|
var octal = (ch !== '0');
|
|
var code = octalValue(ch);
|
|
if (!this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
|
|
octal = true;
|
|
code = code * 8 + octalValue(this.source[this.index++]);
|
|
// 3 digits are only allowed when string starts
|
|
// with 0, 1, 2, 3
|
|
if ('0123'.indexOf(ch) >= 0 && !this.eof() && character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
|
|
code = code * 8 + octalValue(this.source[this.index++]);
|
|
}
|
|
}
|
|
return {
|
|
code: code,
|
|
octal: octal
|
|
};
|
|
};
|
|
;
|
|
// ECMA-262 11.6 Names and Keywords
|
|
Scanner.prototype.scanIdentifier = function () {
|
|
var type;
|
|
var start = this.index;
|
|
// Backslash (U+005C) starts an escaped character.
|
|
var id = (this.source.charCodeAt(start) === 0x5C) ? this.getComplexIdentifier() : this.getIdentifier();
|
|
// There is no keyword or literal with only one character.
|
|
// Thus, it must be an identifier.
|
|
if (id.length === 1) {
|
|
type = token_1.Token.Identifier;
|
|
}
|
|
else if (this.isKeyword(id)) {
|
|
type = token_1.Token.Keyword;
|
|
}
|
|
else if (id === 'null') {
|
|
type = token_1.Token.NullLiteral;
|
|
}
|
|
else if (id === 'true' || id === 'false') {
|
|
type = token_1.Token.BooleanLiteral;
|
|
}
|
|
else {
|
|
type = token_1.Token.Identifier;
|
|
}
|
|
return {
|
|
type: type,
|
|
value: id,
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
// ECMA-262 11.7 Punctuators
|
|
Scanner.prototype.scanPunctuator = function () {
|
|
var token = {
|
|
type: token_1.Token.Punctuator,
|
|
value: '',
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: this.index,
|
|
end: this.index
|
|
};
|
|
// Check for most common single-character punctuators.
|
|
var str = this.source[this.index];
|
|
switch (str) {
|
|
case '(':
|
|
case '{':
|
|
if (str === '{') {
|
|
this.curlyStack.push('{');
|
|
}
|
|
++this.index;
|
|
break;
|
|
case '.':
|
|
++this.index;
|
|
if (this.source[this.index] === '.' && this.source[this.index + 1] === '.') {
|
|
// Spread operator: ...
|
|
this.index += 2;
|
|
str = '...';
|
|
}
|
|
break;
|
|
case '}':
|
|
++this.index;
|
|
this.curlyStack.pop();
|
|
break;
|
|
case ')':
|
|
case ';':
|
|
case ',':
|
|
case '[':
|
|
case ']':
|
|
case ':':
|
|
case '?':
|
|
case '~':
|
|
++this.index;
|
|
break;
|
|
default:
|
|
// 4-character punctuator.
|
|
str = this.source.substr(this.index, 4);
|
|
if (str === '>>>=') {
|
|
this.index += 4;
|
|
}
|
|
else {
|
|
// 3-character punctuators.
|
|
str = str.substr(0, 3);
|
|
if (str === '===' || str === '!==' || str === '>>>' ||
|
|
str === '<<=' || str === '>>=' || str === '**=') {
|
|
this.index += 3;
|
|
}
|
|
else {
|
|
// 2-character punctuators.
|
|
str = str.substr(0, 2);
|
|
if (str === '&&' || str === '||' || str === '==' || str === '!=' ||
|
|
str === '+=' || str === '-=' || str === '*=' || str === '/=' ||
|
|
str === '++' || str === '--' || str === '<<' || str === '>>' ||
|
|
str === '&=' || str === '|=' || str === '^=' || str === '%=' ||
|
|
str === '<=' || str === '>=' || str === '=>' || str === '**') {
|
|
this.index += 2;
|
|
}
|
|
else {
|
|
// 1-character punctuators.
|
|
str = this.source[this.index];
|
|
if ('<>=!+-*%&|^/'.indexOf(str) >= 0) {
|
|
++this.index;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (this.index === token.start) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
token.end = this.index;
|
|
token.value = str;
|
|
return token;
|
|
};
|
|
;
|
|
// ECMA-262 11.8.3 Numeric Literals
|
|
Scanner.prototype.scanHexLiteral = function (start) {
|
|
var number = '';
|
|
while (!this.eof()) {
|
|
if (!character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) {
|
|
break;
|
|
}
|
|
number += this.source[this.index++];
|
|
}
|
|
if (number.length === 0) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
return {
|
|
type: token_1.Token.NumericLiteral,
|
|
value: parseInt('0x' + number, 16),
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
Scanner.prototype.scanBinaryLiteral = function (start) {
|
|
var number = '';
|
|
var ch;
|
|
while (!this.eof()) {
|
|
ch = this.source[this.index];
|
|
if (ch !== '0' && ch !== '1') {
|
|
break;
|
|
}
|
|
number += this.source[this.index++];
|
|
}
|
|
if (number.length === 0) {
|
|
// only 0b or 0B
|
|
this.throwUnexpectedToken();
|
|
}
|
|
if (!this.eof()) {
|
|
ch = this.source.charCodeAt(this.index);
|
|
/* istanbul ignore else */
|
|
if (character_1.Character.isIdentifierStart(ch) || character_1.Character.isDecimalDigit(ch)) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
}
|
|
return {
|
|
type: token_1.Token.NumericLiteral,
|
|
value: parseInt(number, 2),
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
Scanner.prototype.scanOctalLiteral = function (prefix, start) {
|
|
var number = '';
|
|
var octal = false;
|
|
if (character_1.Character.isOctalDigit(prefix.charCodeAt(0))) {
|
|
octal = true;
|
|
number = '0' + this.source[this.index++];
|
|
}
|
|
else {
|
|
++this.index;
|
|
}
|
|
while (!this.eof()) {
|
|
if (!character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
|
|
break;
|
|
}
|
|
number += this.source[this.index++];
|
|
}
|
|
if (!octal && number.length === 0) {
|
|
// only 0o or 0O
|
|
this.throwUnexpectedToken();
|
|
}
|
|
if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index)) || character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
return {
|
|
type: token_1.Token.NumericLiteral,
|
|
value: parseInt(number, 8),
|
|
octal: octal,
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
Scanner.prototype.isImplicitOctalLiteral = function () {
|
|
// Implicit octal, unless there is a non-octal digit.
|
|
// (Annex B.1.1 on Numeric Literals)
|
|
for (var i = this.index + 1; i < this.length; ++i) {
|
|
var ch = this.source[i];
|
|
if (ch === '8' || ch === '9') {
|
|
return false;
|
|
}
|
|
if (!character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
|
|
return true;
|
|
}
|
|
}
|
|
return true;
|
|
};
|
|
;
|
|
Scanner.prototype.scanNumericLiteral = function () {
|
|
var start = this.index;
|
|
var ch = this.source[start];
|
|
assert_1.assert(character_1.Character.isDecimalDigit(ch.charCodeAt(0)) || (ch === '.'), 'Numeric literal must start with a decimal digit or a decimal point');
|
|
var number = '';
|
|
if (ch !== '.') {
|
|
number = this.source[this.index++];
|
|
ch = this.source[this.index];
|
|
// Hex number starts with '0x'.
|
|
// Octal number starts with '0'.
|
|
// Octal number in ES6 starts with '0o'.
|
|
// Binary number in ES6 starts with '0b'.
|
|
if (number === '0') {
|
|
if (ch === 'x' || ch === 'X') {
|
|
++this.index;
|
|
return this.scanHexLiteral(start);
|
|
}
|
|
if (ch === 'b' || ch === 'B') {
|
|
++this.index;
|
|
return this.scanBinaryLiteral(start);
|
|
}
|
|
if (ch === 'o' || ch === 'O') {
|
|
return this.scanOctalLiteral(ch, start);
|
|
}
|
|
if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
|
|
if (this.isImplicitOctalLiteral()) {
|
|
return this.scanOctalLiteral(ch, start);
|
|
}
|
|
}
|
|
}
|
|
while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
|
number += this.source[this.index++];
|
|
}
|
|
ch = this.source[this.index];
|
|
}
|
|
if (ch === '.') {
|
|
number += this.source[this.index++];
|
|
while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
|
number += this.source[this.index++];
|
|
}
|
|
ch = this.source[this.index];
|
|
}
|
|
if (ch === 'e' || ch === 'E') {
|
|
number += this.source[this.index++];
|
|
ch = this.source[this.index];
|
|
if (ch === '+' || ch === '-') {
|
|
number += this.source[this.index++];
|
|
}
|
|
if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
|
while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
|
number += this.source[this.index++];
|
|
}
|
|
}
|
|
else {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
}
|
|
if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
return {
|
|
type: token_1.Token.NumericLiteral,
|
|
value: parseFloat(number),
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
// ECMA-262 11.8.4 String Literals
|
|
Scanner.prototype.scanStringLiteral = function () {
|
|
var start = this.index;
|
|
var quote = this.source[start];
|
|
assert_1.assert((quote === '\'' || quote === '"'), 'String literal must starts with a quote');
|
|
++this.index;
|
|
var octal = false;
|
|
var str = '';
|
|
while (!this.eof()) {
|
|
var ch = this.source[this.index++];
|
|
if (ch === quote) {
|
|
quote = '';
|
|
break;
|
|
}
|
|
else if (ch === '\\') {
|
|
ch = this.source[this.index++];
|
|
if (!ch || !character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
|
|
switch (ch) {
|
|
case 'u':
|
|
case 'x':
|
|
if (this.source[this.index] === '{') {
|
|
++this.index;
|
|
str += this.scanUnicodeCodePointEscape();
|
|
}
|
|
else {
|
|
var unescaped = this.scanHexEscape(ch);
|
|
if (!unescaped) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
str += unescaped;
|
|
}
|
|
break;
|
|
case 'n':
|
|
str += '\n';
|
|
break;
|
|
case 'r':
|
|
str += '\r';
|
|
break;
|
|
case 't':
|
|
str += '\t';
|
|
break;
|
|
case 'b':
|
|
str += '\b';
|
|
break;
|
|
case 'f':
|
|
str += '\f';
|
|
break;
|
|
case 'v':
|
|
str += '\x0B';
|
|
break;
|
|
case '8':
|
|
case '9':
|
|
str += ch;
|
|
this.tolerateUnexpectedToken();
|
|
break;
|
|
default:
|
|
if (ch && character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
|
|
var octToDec = this.octalToDecimal(ch);
|
|
octal = octToDec.octal || octal;
|
|
str += String.fromCharCode(octToDec.code);
|
|
}
|
|
else {
|
|
str += ch;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
++this.lineNumber;
|
|
if (ch === '\r' && this.source[this.index] === '\n') {
|
|
++this.index;
|
|
}
|
|
this.lineStart = this.index;
|
|
}
|
|
}
|
|
else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
|
|
break;
|
|
}
|
|
else {
|
|
str += ch;
|
|
}
|
|
}
|
|
if (quote !== '') {
|
|
this.index = start;
|
|
this.throwUnexpectedToken();
|
|
}
|
|
return {
|
|
type: token_1.Token.StringLiteral,
|
|
value: str,
|
|
octal: octal,
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
// ECMA-262 11.8.6 Template Literal Lexical Components
|
|
Scanner.prototype.scanTemplate = function () {
|
|
var cooked = '';
|
|
var terminated = false;
|
|
var start = this.index;
|
|
var head = (this.source[start] === '`');
|
|
var tail = false;
|
|
var rawOffset = 2;
|
|
++this.index;
|
|
while (!this.eof()) {
|
|
var ch = this.source[this.index++];
|
|
if (ch === '`') {
|
|
rawOffset = 1;
|
|
tail = true;
|
|
terminated = true;
|
|
break;
|
|
}
|
|
else if (ch === '$') {
|
|
if (this.source[this.index] === '{') {
|
|
this.curlyStack.push('${');
|
|
++this.index;
|
|
terminated = true;
|
|
break;
|
|
}
|
|
cooked += ch;
|
|
}
|
|
else if (ch === '\\') {
|
|
ch = this.source[this.index++];
|
|
if (!character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
|
|
switch (ch) {
|
|
case 'n':
|
|
cooked += '\n';
|
|
break;
|
|
case 'r':
|
|
cooked += '\r';
|
|
break;
|
|
case 't':
|
|
cooked += '\t';
|
|
break;
|
|
case 'u':
|
|
case 'x':
|
|
if (this.source[this.index] === '{') {
|
|
++this.index;
|
|
cooked += this.scanUnicodeCodePointEscape();
|
|
}
|
|
else {
|
|
var restore = this.index;
|
|
var unescaped = this.scanHexEscape(ch);
|
|
if (unescaped) {
|
|
cooked += unescaped;
|
|
}
|
|
else {
|
|
this.index = restore;
|
|
cooked += ch;
|
|
}
|
|
}
|
|
break;
|
|
case 'b':
|
|
cooked += '\b';
|
|
break;
|
|
case 'f':
|
|
cooked += '\f';
|
|
break;
|
|
case 'v':
|
|
cooked += '\v';
|
|
break;
|
|
default:
|
|
if (ch === '0') {
|
|
if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
|
// Illegal: \01 \02 and so on
|
|
this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral);
|
|
}
|
|
cooked += '\0';
|
|
}
|
|
else if (character_1.Character.isOctalDigit(ch.charCodeAt(0))) {
|
|
// Illegal: \1 \2
|
|
this.throwUnexpectedToken(messages_1.Messages.TemplateOctalLiteral);
|
|
}
|
|
else {
|
|
cooked += ch;
|
|
}
|
|
break;
|
|
}
|
|
}
|
|
else {
|
|
++this.lineNumber;
|
|
if (ch === '\r' && this.source[this.index] === '\n') {
|
|
++this.index;
|
|
}
|
|
this.lineStart = this.index;
|
|
}
|
|
}
|
|
else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
|
|
++this.lineNumber;
|
|
if (ch === '\r' && this.source[this.index] === '\n') {
|
|
++this.index;
|
|
}
|
|
this.lineStart = this.index;
|
|
cooked += '\n';
|
|
}
|
|
else {
|
|
cooked += ch;
|
|
}
|
|
}
|
|
if (!terminated) {
|
|
this.throwUnexpectedToken();
|
|
}
|
|
if (!head) {
|
|
this.curlyStack.pop();
|
|
}
|
|
return {
|
|
type: token_1.Token.Template,
|
|
value: {
|
|
cooked: cooked,
|
|
raw: this.source.slice(start + 1, this.index - rawOffset)
|
|
},
|
|
head: head,
|
|
tail: tail,
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
// ECMA-262 11.8.5 Regular Expression Literals
|
|
Scanner.prototype.testRegExp = function (pattern, flags) {
|
|
// The BMP character to use as a replacement for astral symbols when
|
|
// translating an ES6 "u"-flagged pattern to an ES5-compatible
|
|
// approximation.
|
|
// Note: replacing with '\uFFFF' enables false positives in unlikely
|
|
// scenarios. For example, `[\u{1044f}-\u{10440}]` is an invalid
|
|
// pattern that would not be detected by this substitution.
|
|
var astralSubstitute = '\uFFFF';
|
|
var tmp = pattern;
|
|
var self = this;
|
|
if (flags.indexOf('u') >= 0) {
|
|
tmp = tmp
|
|
.replace(/\\u\{([0-9a-fA-F]+)\}|\\u([a-fA-F0-9]{4})/g, function ($0, $1, $2) {
|
|
var codePoint = parseInt($1 || $2, 16);
|
|
if (codePoint > 0x10FFFF) {
|
|
self.throwUnexpectedToken(messages_1.Messages.InvalidRegExp);
|
|
}
|
|
if (codePoint <= 0xFFFF) {
|
|
return String.fromCharCode(codePoint);
|
|
}
|
|
return astralSubstitute;
|
|
})
|
|
.replace(/[\uD800-\uDBFF][\uDC00-\uDFFF]/g, astralSubstitute);
|
|
}
|
|
// First, detect invalid regular expressions.
|
|
try {
|
|
RegExp(tmp);
|
|
}
|
|
catch (e) {
|
|
this.throwUnexpectedToken(messages_1.Messages.InvalidRegExp);
|
|
}
|
|
// Return a regular expression object for this pattern-flag pair, or
|
|
// `null` in case the current environment doesn't support the flags it
|
|
// uses.
|
|
try {
|
|
return new RegExp(pattern, flags);
|
|
}
|
|
catch (exception) {
|
|
/* istanbul ignore next */
|
|
return null;
|
|
}
|
|
};
|
|
;
|
|
Scanner.prototype.scanRegExpBody = function () {
|
|
var ch = this.source[this.index];
|
|
assert_1.assert(ch === '/', 'Regular expression literal must start with a slash');
|
|
var str = this.source[this.index++];
|
|
var classMarker = false;
|
|
var terminated = false;
|
|
while (!this.eof()) {
|
|
ch = this.source[this.index++];
|
|
str += ch;
|
|
if (ch === '\\') {
|
|
ch = this.source[this.index++];
|
|
// ECMA-262 7.8.5
|
|
if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
|
|
this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
|
|
}
|
|
str += ch;
|
|
}
|
|
else if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
|
|
this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
|
|
}
|
|
else if (classMarker) {
|
|
if (ch === ']') {
|
|
classMarker = false;
|
|
}
|
|
}
|
|
else {
|
|
if (ch === '/') {
|
|
terminated = true;
|
|
break;
|
|
}
|
|
else if (ch === '[') {
|
|
classMarker = true;
|
|
}
|
|
}
|
|
}
|
|
if (!terminated) {
|
|
this.throwUnexpectedToken(messages_1.Messages.UnterminatedRegExp);
|
|
}
|
|
// Exclude leading and trailing slash.
|
|
var body = str.substr(1, str.length - 2);
|
|
return {
|
|
value: body,
|
|
literal: str
|
|
};
|
|
};
|
|
;
|
|
Scanner.prototype.scanRegExpFlags = function () {
|
|
var str = '';
|
|
var flags = '';
|
|
while (!this.eof()) {
|
|
var ch = this.source[this.index];
|
|
if (!character_1.Character.isIdentifierPart(ch.charCodeAt(0))) {
|
|
break;
|
|
}
|
|
++this.index;
|
|
if (ch === '\\' && !this.eof()) {
|
|
ch = this.source[this.index];
|
|
if (ch === 'u') {
|
|
++this.index;
|
|
var restore = this.index;
|
|
ch = this.scanHexEscape('u');
|
|
if (ch) {
|
|
flags += ch;
|
|
for (str += '\\u'; restore < this.index; ++restore) {
|
|
str += this.source[restore];
|
|
}
|
|
}
|
|
else {
|
|
this.index = restore;
|
|
flags += 'u';
|
|
str += '\\u';
|
|
}
|
|
this.tolerateUnexpectedToken();
|
|
}
|
|
else {
|
|
str += '\\';
|
|
this.tolerateUnexpectedToken();
|
|
}
|
|
}
|
|
else {
|
|
flags += ch;
|
|
str += ch;
|
|
}
|
|
}
|
|
return {
|
|
value: flags,
|
|
literal: str
|
|
};
|
|
};
|
|
;
|
|
Scanner.prototype.scanRegExp = function () {
|
|
var start = this.index;
|
|
var body = this.scanRegExpBody();
|
|
var flags = this.scanRegExpFlags();
|
|
var value = this.testRegExp(body.value, flags.value);
|
|
return {
|
|
type: token_1.Token.RegularExpression,
|
|
value: value,
|
|
literal: body.literal + flags.literal,
|
|
regex: {
|
|
pattern: body.value,
|
|
flags: flags.value
|
|
},
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: start,
|
|
end: this.index
|
|
};
|
|
};
|
|
;
|
|
Scanner.prototype.lex = function () {
|
|
if (this.eof()) {
|
|
return {
|
|
type: token_1.Token.EOF,
|
|
lineNumber: this.lineNumber,
|
|
lineStart: this.lineStart,
|
|
start: this.index,
|
|
end: this.index
|
|
};
|
|
}
|
|
var cp = this.source.charCodeAt(this.index);
|
|
if (character_1.Character.isIdentifierStart(cp)) {
|
|
return this.scanIdentifier();
|
|
}
|
|
// Very common: ( and ) and ;
|
|
if (cp === 0x28 || cp === 0x29 || cp === 0x3B) {
|
|
return this.scanPunctuator();
|
|
}
|
|
// String literal starts with single quote (U+0027) or double quote (U+0022).
|
|
if (cp === 0x27 || cp === 0x22) {
|
|
return this.scanStringLiteral();
|
|
}
|
|
// Dot (.) U+002E can also start a floating-point number, hence the need
|
|
// to check the next character.
|
|
if (cp === 0x2E) {
|
|
if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index + 1))) {
|
|
return this.scanNumericLiteral();
|
|
}
|
|
return this.scanPunctuator();
|
|
}
|
|
if (character_1.Character.isDecimalDigit(cp)) {
|
|
return this.scanNumericLiteral();
|
|
}
|
|
// Template literals start with ` (U+0060) for template head
|
|
// or } (U+007D) for template middle or template tail.
|
|
if (cp === 0x60 || (cp === 0x7D && this.curlyStack[this.curlyStack.length - 1] === '${')) {
|
|
return this.scanTemplate();
|
|
}
|
|
// Possible identifier start in a surrogate pair.
|
|
if (cp >= 0xD800 && cp < 0xDFFF) {
|
|
if (character_1.Character.isIdentifierStart(this.codePointAt(this.index))) {
|
|
return this.scanIdentifier();
|
|
}
|
|
}
|
|
return this.scanPunctuator();
|
|
};
|
|
;
|
|
return Scanner;
|
|
}());
|
|
exports.Scanner = Scanner;
|
|
|
|
|
|
/***/ },
|
|
/* 9 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
// See also tools/generate-unicode-regex.js.
|
|
var Regex = {
|
|
// Unicode v8.0.0 NonAsciiIdentifierStart:
|
|
NonAsciiIdentifierStart: /[\xAA\xB5\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0370-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386\u0388-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u05D0-\u05EA\u05F0-\u05F2\u0620-\u064A\u066E\u066F\u0671-\u06D3\u06D5\u06E5\u06E6\u06EE\u06EF\u06FA-\u06FC\u06FF\u0710\u0712-\u072F\u074D-\u07A5\u07B1\u07CA-\u07EA\u07F4\u07F5\u07FA\u0800-\u0815\u081A\u0824\u0828\u0840-\u0858\u08A0-\u08B4\u0904-\u0939\u093D\u0950\u0958-\u0961\u0971-\u0980\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BD\u09CE\u09DC\u09DD\u09DF-\u09E1\u09F0\u09F1\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A59-\u0A5C\u0A5E\u0A72-\u0A74\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABD\u0AD0\u0AE0\u0AE1\u0AF9\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3D\u0B5C\u0B5D\u0B5F-\u0B61\u0B71\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BD0\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D\u0C58-\u0C5A\u0C60\u0C61\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBD\u0CDE\u0CE0\u0CE1\u0CF1\u0CF2\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D\u0D4E\u0D5F-\u0D61\u0D7A-\u0D7F\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0E01-\u0E30\u0E32\u0E33\u0E40-\u0E46\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB0\u0EB2\u0EB3\u0EBD\u0EC0-\u0EC4\u0EC6\u0EDC-\u0EDF\u0F00\u0F40-\u0F47\u0F49-\u0F6C\u0F88-\u0F8C\u1000-\u102A\u103F\u1050-\u1055\u105A-\u105D\u1061\u1065\u1066\u106E-\u1070\u1075-\u1081\u108E\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176C\u176E-\u1770\u1780-\u17B3\u17D7\u17DC\u1820-\u1877\u1880-\u18A8\u18AA\u18B0-\u18F5\u1900-\u191E\u1950-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u1A00-\u1A16\u1A20-\u1A54\u1AA7\u1B05-\u1B33\u1B45-\u1B4B\u1B83-\u1BA0\u1BAE\u1BAF\u1BBA-\u1BE5\u1C00-\u1C23\u1C4D-\u1C4F\u1C5A-\u1C7D\u1CE9-\u1CEC\u1CEE-\u1CF1\u1CF5\u1CF6\u1D00-\u1DBF\u1E00-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u2071\u207F\u2090-\u209C\u2102\u2107\u210A-\u2113\u2115\u2118-\u211D\u2124\u2126\u2128\u212A-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CEE\u2CF2\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D80-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303C\u3041-\u3096\u309B-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA61F\uA62A\uA62B\uA640-\uA66E\uA67F-\uA69D\uA6A0-\uA6EF\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AD\uA7B0-\uA7B7\uA7F7-\uA801\uA803-\uA805\uA807-\uA80A\uA80C-\uA822\uA840-\uA873\uA882-\uA8B3\uA8F2-\uA8F7\uA8FB\uA8FD\uA90A-\uA925\uA930-\uA946\uA960-\uA97C\uA984-\uA9B2\uA9CF\uA9E0-\uA9E4\uA9E6-\uA9EF\uA9FA-\uA9FE\uAA00-\uAA28\uAA40-\uAA42\uAA44-\uAA4B\uAA60-\uAA76\uAA7A\uAA7E-\uAAAF\uAAB1\uAAB5\uAAB6\uAAB9-\uAABD\uAAC0\uAAC2\uAADB-\uAADD\uAAE0-\uAAEA\uAAF2-\uAAF4\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABE2\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D\uFB1F-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE70-\uFE74\uFE76-\uFEFC\uFF21-\uFF3A\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDE80-\uDE9C\uDEA0-\uDED0\uDF00-\uDF1F\uDF30-\uDF4A\uDF50-\uDF75\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00\uDE10-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE4\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC03-\uDC37\uDC83-\uDCAF\uDCD0-\uDCE8\uDD03-\uDD26\uDD50-\uDD72\uDD76\uDD83-\uDDB2\uDDC1-\uDDC4\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE2B\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEDE\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3D\uDF50\uDF5D-\uDF61]|\uD805[\uDC80-\uDCAF\uDCC4\uDCC5\uDCC7\uDD80-\uDDAE\uDDD8-\uDDDB\uDE00-\uDE2F\uDE44\uDE80-\uDEAA\uDF00-\uDF19]|\uD806[\uDCA0-\uDCDF\uDCFF\uDEC0-\uDEF8]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDED0-\uDEED\uDF00-\uDF2F\uDF40-\uDF43\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50\uDF93-\uDF9F]|\uD82C[\uDC00\uDC01]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB]|\uD83A[\uDC00-\uDCC4]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1]|\uD87E[\uDC00-\uDE1D]/,
|
|
// Unicode v8.0.0 NonAsciiIdentifierPart:
|
|
NonAsciiIdentifierPart: /[\xAA\xB5\xB7\xBA\xC0-\xD6\xD8-\xF6\xF8-\u02C1\u02C6-\u02D1\u02E0-\u02E4\u02EC\u02EE\u0300-\u0374\u0376\u0377\u037A-\u037D\u037F\u0386-\u038A\u038C\u038E-\u03A1\u03A3-\u03F5\u03F7-\u0481\u0483-\u0487\u048A-\u052F\u0531-\u0556\u0559\u0561-\u0587\u0591-\u05BD\u05BF\u05C1\u05C2\u05C4\u05C5\u05C7\u05D0-\u05EA\u05F0-\u05F2\u0610-\u061A\u0620-\u0669\u066E-\u06D3\u06D5-\u06DC\u06DF-\u06E8\u06EA-\u06FC\u06FF\u0710-\u074A\u074D-\u07B1\u07C0-\u07F5\u07FA\u0800-\u082D\u0840-\u085B\u08A0-\u08B4\u08E3-\u0963\u0966-\u096F\u0971-\u0983\u0985-\u098C\u098F\u0990\u0993-\u09A8\u09AA-\u09B0\u09B2\u09B6-\u09B9\u09BC-\u09C4\u09C7\u09C8\u09CB-\u09CE\u09D7\u09DC\u09DD\u09DF-\u09E3\u09E6-\u09F1\u0A01-\u0A03\u0A05-\u0A0A\u0A0F\u0A10\u0A13-\u0A28\u0A2A-\u0A30\u0A32\u0A33\u0A35\u0A36\u0A38\u0A39\u0A3C\u0A3E-\u0A42\u0A47\u0A48\u0A4B-\u0A4D\u0A51\u0A59-\u0A5C\u0A5E\u0A66-\u0A75\u0A81-\u0A83\u0A85-\u0A8D\u0A8F-\u0A91\u0A93-\u0AA8\u0AAA-\u0AB0\u0AB2\u0AB3\u0AB5-\u0AB9\u0ABC-\u0AC5\u0AC7-\u0AC9\u0ACB-\u0ACD\u0AD0\u0AE0-\u0AE3\u0AE6-\u0AEF\u0AF9\u0B01-\u0B03\u0B05-\u0B0C\u0B0F\u0B10\u0B13-\u0B28\u0B2A-\u0B30\u0B32\u0B33\u0B35-\u0B39\u0B3C-\u0B44\u0B47\u0B48\u0B4B-\u0B4D\u0B56\u0B57\u0B5C\u0B5D\u0B5F-\u0B63\u0B66-\u0B6F\u0B71\u0B82\u0B83\u0B85-\u0B8A\u0B8E-\u0B90\u0B92-\u0B95\u0B99\u0B9A\u0B9C\u0B9E\u0B9F\u0BA3\u0BA4\u0BA8-\u0BAA\u0BAE-\u0BB9\u0BBE-\u0BC2\u0BC6-\u0BC8\u0BCA-\u0BCD\u0BD0\u0BD7\u0BE6-\u0BEF\u0C00-\u0C03\u0C05-\u0C0C\u0C0E-\u0C10\u0C12-\u0C28\u0C2A-\u0C39\u0C3D-\u0C44\u0C46-\u0C48\u0C4A-\u0C4D\u0C55\u0C56\u0C58-\u0C5A\u0C60-\u0C63\u0C66-\u0C6F\u0C81-\u0C83\u0C85-\u0C8C\u0C8E-\u0C90\u0C92-\u0CA8\u0CAA-\u0CB3\u0CB5-\u0CB9\u0CBC-\u0CC4\u0CC6-\u0CC8\u0CCA-\u0CCD\u0CD5\u0CD6\u0CDE\u0CE0-\u0CE3\u0CE6-\u0CEF\u0CF1\u0CF2\u0D01-\u0D03\u0D05-\u0D0C\u0D0E-\u0D10\u0D12-\u0D3A\u0D3D-\u0D44\u0D46-\u0D48\u0D4A-\u0D4E\u0D57\u0D5F-\u0D63\u0D66-\u0D6F\u0D7A-\u0D7F\u0D82\u0D83\u0D85-\u0D96\u0D9A-\u0DB1\u0DB3-\u0DBB\u0DBD\u0DC0-\u0DC6\u0DCA\u0DCF-\u0DD4\u0DD6\u0DD8-\u0DDF\u0DE6-\u0DEF\u0DF2\u0DF3\u0E01-\u0E3A\u0E40-\u0E4E\u0E50-\u0E59\u0E81\u0E82\u0E84\u0E87\u0E88\u0E8A\u0E8D\u0E94-\u0E97\u0E99-\u0E9F\u0EA1-\u0EA3\u0EA5\u0EA7\u0EAA\u0EAB\u0EAD-\u0EB9\u0EBB-\u0EBD\u0EC0-\u0EC4\u0EC6\u0EC8-\u0ECD\u0ED0-\u0ED9\u0EDC-\u0EDF\u0F00\u0F18\u0F19\u0F20-\u0F29\u0F35\u0F37\u0F39\u0F3E-\u0F47\u0F49-\u0F6C\u0F71-\u0F84\u0F86-\u0F97\u0F99-\u0FBC\u0FC6\u1000-\u1049\u1050-\u109D\u10A0-\u10C5\u10C7\u10CD\u10D0-\u10FA\u10FC-\u1248\u124A-\u124D\u1250-\u1256\u1258\u125A-\u125D\u1260-\u1288\u128A-\u128D\u1290-\u12B0\u12B2-\u12B5\u12B8-\u12BE\u12C0\u12C2-\u12C5\u12C8-\u12D6\u12D8-\u1310\u1312-\u1315\u1318-\u135A\u135D-\u135F\u1369-\u1371\u1380-\u138F\u13A0-\u13F5\u13F8-\u13FD\u1401-\u166C\u166F-\u167F\u1681-\u169A\u16A0-\u16EA\u16EE-\u16F8\u1700-\u170C\u170E-\u1714\u1720-\u1734\u1740-\u1753\u1760-\u176C\u176E-\u1770\u1772\u1773\u1780-\u17D3\u17D7\u17DC\u17DD\u17E0-\u17E9\u180B-\u180D\u1810-\u1819\u1820-\u1877\u1880-\u18AA\u18B0-\u18F5\u1900-\u191E\u1920-\u192B\u1930-\u193B\u1946-\u196D\u1970-\u1974\u1980-\u19AB\u19B0-\u19C9\u19D0-\u19DA\u1A00-\u1A1B\u1A20-\u1A5E\u1A60-\u1A7C\u1A7F-\u1A89\u1A90-\u1A99\u1AA7\u1AB0-\u1ABD\u1B00-\u1B4B\u1B50-\u1B59\u1B6B-\u1B73\u1B80-\u1BF3\u1C00-\u1C37\u1C40-\u1C49\u1C4D-\u1C7D\u1CD0-\u1CD2\u1CD4-\u1CF6\u1CF8\u1CF9\u1D00-\u1DF5\u1DFC-\u1F15\u1F18-\u1F1D\u1F20-\u1F45\u1F48-\u1F4D\u1F50-\u1F57\u1F59\u1F5B\u1F5D\u1F5F-\u1F7D\u1F80-\u1FB4\u1FB6-\u1FBC\u1FBE\u1FC2-\u1FC4\u1FC6-\u1FCC\u1FD0-\u1FD3\u1FD6-\u1FDB\u1FE0-\u1FEC\u1FF2-\u1FF4\u1FF6-\u1FFC\u200C\u200D\u203F\u2040\u2054\u2071\u207F\u2090-\u209C\u20D0-\u20DC\u20E1\u20E5-\u20F0\u2102\u2107\u210A-\u2113\u2115\u2118-\u211D\u2124\u2126\u2128\u212A-\u2139\u213C-\u213F\u2145-\u2149\u214E\u2160-\u2188\u2C00-\u2C2E\u2C30-\u2C5E\u2C60-\u2CE4\u2CEB-\u2CF3\u2D00-\u2D25\u2D27\u2D2D\u2D30-\u2D67\u2D6F\u2D7F-\u2D96\u2DA0-\u2DA6\u2DA8-\u2DAE\u2DB0-\u2DB6\u2DB8-\u2DBE\u2DC0-\u2DC6\u2DC8-\u2DCE\u2DD0-\u2DD6\u2DD8-\u2DDE\u2DE0-\u2DFF\u3005-\u3007\u3021-\u302F\u3031-\u3035\u3038-\u303C\u3041-\u3096\u3099-\u309F\u30A1-\u30FA\u30FC-\u30FF\u3105-\u312D\u3131-\u318E\u31A0-\u31BA\u31F0-\u31FF\u3400-\u4DB5\u4E00-\u9FD5\uA000-\uA48C\uA4D0-\uA4FD\uA500-\uA60C\uA610-\uA62B\uA640-\uA66F\uA674-\uA67D\uA67F-\uA6F1\uA717-\uA71F\uA722-\uA788\uA78B-\uA7AD\uA7B0-\uA7B7\uA7F7-\uA827\uA840-\uA873\uA880-\uA8C4\uA8D0-\uA8D9\uA8E0-\uA8F7\uA8FB\uA8FD\uA900-\uA92D\uA930-\uA953\uA960-\uA97C\uA980-\uA9C0\uA9CF-\uA9D9\uA9E0-\uA9FE\uAA00-\uAA36\uAA40-\uAA4D\uAA50-\uAA59\uAA60-\uAA76\uAA7A-\uAAC2\uAADB-\uAADD\uAAE0-\uAAEF\uAAF2-\uAAF6\uAB01-\uAB06\uAB09-\uAB0E\uAB11-\uAB16\uAB20-\uAB26\uAB28-\uAB2E\uAB30-\uAB5A\uAB5C-\uAB65\uAB70-\uABEA\uABEC\uABED\uABF0-\uABF9\uAC00-\uD7A3\uD7B0-\uD7C6\uD7CB-\uD7FB\uF900-\uFA6D\uFA70-\uFAD9\uFB00-\uFB06\uFB13-\uFB17\uFB1D-\uFB28\uFB2A-\uFB36\uFB38-\uFB3C\uFB3E\uFB40\uFB41\uFB43\uFB44\uFB46-\uFBB1\uFBD3-\uFD3D\uFD50-\uFD8F\uFD92-\uFDC7\uFDF0-\uFDFB\uFE00-\uFE0F\uFE20-\uFE2F\uFE33\uFE34\uFE4D-\uFE4F\uFE70-\uFE74\uFE76-\uFEFC\uFF10-\uFF19\uFF21-\uFF3A\uFF3F\uFF41-\uFF5A\uFF66-\uFFBE\uFFC2-\uFFC7\uFFCA-\uFFCF\uFFD2-\uFFD7\uFFDA-\uFFDC]|\uD800[\uDC00-\uDC0B\uDC0D-\uDC26\uDC28-\uDC3A\uDC3C\uDC3D\uDC3F-\uDC4D\uDC50-\uDC5D\uDC80-\uDCFA\uDD40-\uDD74\uDDFD\uDE80-\uDE9C\uDEA0-\uDED0\uDEE0\uDF00-\uDF1F\uDF30-\uDF4A\uDF50-\uDF7A\uDF80-\uDF9D\uDFA0-\uDFC3\uDFC8-\uDFCF\uDFD1-\uDFD5]|\uD801[\uDC00-\uDC9D\uDCA0-\uDCA9\uDD00-\uDD27\uDD30-\uDD63\uDE00-\uDF36\uDF40-\uDF55\uDF60-\uDF67]|\uD802[\uDC00-\uDC05\uDC08\uDC0A-\uDC35\uDC37\uDC38\uDC3C\uDC3F-\uDC55\uDC60-\uDC76\uDC80-\uDC9E\uDCE0-\uDCF2\uDCF4\uDCF5\uDD00-\uDD15\uDD20-\uDD39\uDD80-\uDDB7\uDDBE\uDDBF\uDE00-\uDE03\uDE05\uDE06\uDE0C-\uDE13\uDE15-\uDE17\uDE19-\uDE33\uDE38-\uDE3A\uDE3F\uDE60-\uDE7C\uDE80-\uDE9C\uDEC0-\uDEC7\uDEC9-\uDEE6\uDF00-\uDF35\uDF40-\uDF55\uDF60-\uDF72\uDF80-\uDF91]|\uD803[\uDC00-\uDC48\uDC80-\uDCB2\uDCC0-\uDCF2]|\uD804[\uDC00-\uDC46\uDC66-\uDC6F\uDC7F-\uDCBA\uDCD0-\uDCE8\uDCF0-\uDCF9\uDD00-\uDD34\uDD36-\uDD3F\uDD50-\uDD73\uDD76\uDD80-\uDDC4\uDDCA-\uDDCC\uDDD0-\uDDDA\uDDDC\uDE00-\uDE11\uDE13-\uDE37\uDE80-\uDE86\uDE88\uDE8A-\uDE8D\uDE8F-\uDE9D\uDE9F-\uDEA8\uDEB0-\uDEEA\uDEF0-\uDEF9\uDF00-\uDF03\uDF05-\uDF0C\uDF0F\uDF10\uDF13-\uDF28\uDF2A-\uDF30\uDF32\uDF33\uDF35-\uDF39\uDF3C-\uDF44\uDF47\uDF48\uDF4B-\uDF4D\uDF50\uDF57\uDF5D-\uDF63\uDF66-\uDF6C\uDF70-\uDF74]|\uD805[\uDC80-\uDCC5\uDCC7\uDCD0-\uDCD9\uDD80-\uDDB5\uDDB8-\uDDC0\uDDD8-\uDDDD\uDE00-\uDE40\uDE44\uDE50-\uDE59\uDE80-\uDEB7\uDEC0-\uDEC9\uDF00-\uDF19\uDF1D-\uDF2B\uDF30-\uDF39]|\uD806[\uDCA0-\uDCE9\uDCFF\uDEC0-\uDEF8]|\uD808[\uDC00-\uDF99]|\uD809[\uDC00-\uDC6E\uDC80-\uDD43]|[\uD80C\uD840-\uD868\uD86A-\uD86C\uD86F-\uD872][\uDC00-\uDFFF]|\uD80D[\uDC00-\uDC2E]|\uD811[\uDC00-\uDE46]|\uD81A[\uDC00-\uDE38\uDE40-\uDE5E\uDE60-\uDE69\uDED0-\uDEED\uDEF0-\uDEF4\uDF00-\uDF36\uDF40-\uDF43\uDF50-\uDF59\uDF63-\uDF77\uDF7D-\uDF8F]|\uD81B[\uDF00-\uDF44\uDF50-\uDF7E\uDF8F-\uDF9F]|\uD82C[\uDC00\uDC01]|\uD82F[\uDC00-\uDC6A\uDC70-\uDC7C\uDC80-\uDC88\uDC90-\uDC99\uDC9D\uDC9E]|\uD834[\uDD65-\uDD69\uDD6D-\uDD72\uDD7B-\uDD82\uDD85-\uDD8B\uDDAA-\uDDAD\uDE42-\uDE44]|\uD835[\uDC00-\uDC54\uDC56-\uDC9C\uDC9E\uDC9F\uDCA2\uDCA5\uDCA6\uDCA9-\uDCAC\uDCAE-\uDCB9\uDCBB\uDCBD-\uDCC3\uDCC5-\uDD05\uDD07-\uDD0A\uDD0D-\uDD14\uDD16-\uDD1C\uDD1E-\uDD39\uDD3B-\uDD3E\uDD40-\uDD44\uDD46\uDD4A-\uDD50\uDD52-\uDEA5\uDEA8-\uDEC0\uDEC2-\uDEDA\uDEDC-\uDEFA\uDEFC-\uDF14\uDF16-\uDF34\uDF36-\uDF4E\uDF50-\uDF6E\uDF70-\uDF88\uDF8A-\uDFA8\uDFAA-\uDFC2\uDFC4-\uDFCB\uDFCE-\uDFFF]|\uD836[\uDE00-\uDE36\uDE3B-\uDE6C\uDE75\uDE84\uDE9B-\uDE9F\uDEA1-\uDEAF]|\uD83A[\uDC00-\uDCC4\uDCD0-\uDCD6]|\uD83B[\uDE00-\uDE03\uDE05-\uDE1F\uDE21\uDE22\uDE24\uDE27\uDE29-\uDE32\uDE34-\uDE37\uDE39\uDE3B\uDE42\uDE47\uDE49\uDE4B\uDE4D-\uDE4F\uDE51\uDE52\uDE54\uDE57\uDE59\uDE5B\uDE5D\uDE5F\uDE61\uDE62\uDE64\uDE67-\uDE6A\uDE6C-\uDE72\uDE74-\uDE77\uDE79-\uDE7C\uDE7E\uDE80-\uDE89\uDE8B-\uDE9B\uDEA1-\uDEA3\uDEA5-\uDEA9\uDEAB-\uDEBB]|\uD869[\uDC00-\uDED6\uDF00-\uDFFF]|\uD86D[\uDC00-\uDF34\uDF40-\uDFFF]|\uD86E[\uDC00-\uDC1D\uDC20-\uDFFF]|\uD873[\uDC00-\uDEA1]|\uD87E[\uDC00-\uDE1D]|\uDB40[\uDD00-\uDDEF]/
|
|
};
|
|
exports.Character = {
|
|
fromCodePoint: function (cp) {
|
|
return (cp < 0x10000) ? String.fromCharCode(cp) :
|
|
String.fromCharCode(0xD800 + ((cp - 0x10000) >> 10)) +
|
|
String.fromCharCode(0xDC00 + ((cp - 0x10000) & 1023));
|
|
},
|
|
// ECMA-262 11.2 White Space
|
|
isWhiteSpace: function (cp) {
|
|
return (cp === 0x20) || (cp === 0x09) || (cp === 0x0B) || (cp === 0x0C) || (cp === 0xA0) ||
|
|
(cp >= 0x1680 && [0x1680, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(cp) >= 0);
|
|
},
|
|
// ECMA-262 11.3 Line Terminators
|
|
isLineTerminator: function (cp) {
|
|
return (cp === 0x0A) || (cp === 0x0D) || (cp === 0x2028) || (cp === 0x2029);
|
|
},
|
|
// ECMA-262 11.6 Identifier Names and Identifiers
|
|
isIdentifierStart: function (cp) {
|
|
return (cp === 0x24) || (cp === 0x5F) ||
|
|
(cp >= 0x41 && cp <= 0x5A) ||
|
|
(cp >= 0x61 && cp <= 0x7A) ||
|
|
(cp === 0x5C) ||
|
|
((cp >= 0x80) && Regex.NonAsciiIdentifierStart.test(exports.Character.fromCodePoint(cp)));
|
|
},
|
|
isIdentifierPart: function (cp) {
|
|
return (cp === 0x24) || (cp === 0x5F) ||
|
|
(cp >= 0x41 && cp <= 0x5A) ||
|
|
(cp >= 0x61 && cp <= 0x7A) ||
|
|
(cp >= 0x30 && cp <= 0x39) ||
|
|
(cp === 0x5C) ||
|
|
((cp >= 0x80) && Regex.NonAsciiIdentifierPart.test(exports.Character.fromCodePoint(cp)));
|
|
},
|
|
// ECMA-262 11.8.3 Numeric Literals
|
|
isDecimalDigit: function (cp) {
|
|
return (cp >= 0x30 && cp <= 0x39); // 0..9
|
|
},
|
|
isHexDigit: function (cp) {
|
|
return (cp >= 0x30 && cp <= 0x39) ||
|
|
(cp >= 0x41 && cp <= 0x46) ||
|
|
(cp >= 0x61 && cp <= 0x66); // a..f
|
|
},
|
|
isOctalDigit: function (cp) {
|
|
return (cp >= 0x30 && cp <= 0x37); // 0..7
|
|
}
|
|
};
|
|
|
|
|
|
/***/ },
|
|
/* 10 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
var syntax_1 = __webpack_require__(2);
|
|
var ArrayExpression = (function () {
|
|
function ArrayExpression(elements) {
|
|
this.type = syntax_1.Syntax.ArrayExpression;
|
|
this.elements = elements;
|
|
}
|
|
return ArrayExpression;
|
|
}());
|
|
exports.ArrayExpression = ArrayExpression;
|
|
var ArrayPattern = (function () {
|
|
function ArrayPattern(elements) {
|
|
this.type = syntax_1.Syntax.ArrayPattern;
|
|
this.elements = elements;
|
|
}
|
|
return ArrayPattern;
|
|
}());
|
|
exports.ArrayPattern = ArrayPattern;
|
|
var ArrowFunctionExpression = (function () {
|
|
function ArrowFunctionExpression(params, body, expression) {
|
|
this.type = syntax_1.Syntax.ArrowFunctionExpression;
|
|
this.id = null;
|
|
this.params = params;
|
|
this.body = body;
|
|
this.generator = false;
|
|
this.expression = expression;
|
|
}
|
|
return ArrowFunctionExpression;
|
|
}());
|
|
exports.ArrowFunctionExpression = ArrowFunctionExpression;
|
|
var AssignmentExpression = (function () {
|
|
function AssignmentExpression(operator, left, right) {
|
|
this.type = syntax_1.Syntax.AssignmentExpression;
|
|
this.operator = operator;
|
|
this.left = left;
|
|
this.right = right;
|
|
}
|
|
return AssignmentExpression;
|
|
}());
|
|
exports.AssignmentExpression = AssignmentExpression;
|
|
var AssignmentPattern = (function () {
|
|
function AssignmentPattern(left, right) {
|
|
this.type = syntax_1.Syntax.AssignmentPattern;
|
|
this.left = left;
|
|
this.right = right;
|
|
}
|
|
return AssignmentPattern;
|
|
}());
|
|
exports.AssignmentPattern = AssignmentPattern;
|
|
var BinaryExpression = (function () {
|
|
function BinaryExpression(operator, left, right) {
|
|
var logical = (operator === '||' || operator === '&&');
|
|
this.type = logical ? syntax_1.Syntax.LogicalExpression : syntax_1.Syntax.BinaryExpression;
|
|
this.operator = operator;
|
|
this.left = left;
|
|
this.right = right;
|
|
}
|
|
return BinaryExpression;
|
|
}());
|
|
exports.BinaryExpression = BinaryExpression;
|
|
var BlockStatement = (function () {
|
|
function BlockStatement(body) {
|
|
this.type = syntax_1.Syntax.BlockStatement;
|
|
this.body = body;
|
|
}
|
|
return BlockStatement;
|
|
}());
|
|
exports.BlockStatement = BlockStatement;
|
|
var BreakStatement = (function () {
|
|
function BreakStatement(label) {
|
|
this.type = syntax_1.Syntax.BreakStatement;
|
|
this.label = label;
|
|
}
|
|
return BreakStatement;
|
|
}());
|
|
exports.BreakStatement = BreakStatement;
|
|
var CallExpression = (function () {
|
|
function CallExpression(callee, args) {
|
|
this.type = syntax_1.Syntax.CallExpression;
|
|
this.callee = callee;
|
|
this.arguments = args;
|
|
}
|
|
return CallExpression;
|
|
}());
|
|
exports.CallExpression = CallExpression;
|
|
var CatchClause = (function () {
|
|
function CatchClause(param, body) {
|
|
this.type = syntax_1.Syntax.CatchClause;
|
|
this.param = param;
|
|
this.body = body;
|
|
}
|
|
return CatchClause;
|
|
}());
|
|
exports.CatchClause = CatchClause;
|
|
var ClassBody = (function () {
|
|
function ClassBody(body) {
|
|
this.type = syntax_1.Syntax.ClassBody;
|
|
this.body = body;
|
|
}
|
|
return ClassBody;
|
|
}());
|
|
exports.ClassBody = ClassBody;
|
|
var ClassDeclaration = (function () {
|
|
function ClassDeclaration(id, superClass, body) {
|
|
this.type = syntax_1.Syntax.ClassDeclaration;
|
|
this.id = id;
|
|
this.superClass = superClass;
|
|
this.body = body;
|
|
}
|
|
return ClassDeclaration;
|
|
}());
|
|
exports.ClassDeclaration = ClassDeclaration;
|
|
var ClassExpression = (function () {
|
|
function ClassExpression(id, superClass, body) {
|
|
this.type = syntax_1.Syntax.ClassExpression;
|
|
this.id = id;
|
|
this.superClass = superClass;
|
|
this.body = body;
|
|
}
|
|
return ClassExpression;
|
|
}());
|
|
exports.ClassExpression = ClassExpression;
|
|
var ComputedMemberExpression = (function () {
|
|
function ComputedMemberExpression(object, property) {
|
|
this.type = syntax_1.Syntax.MemberExpression;
|
|
this.computed = true;
|
|
this.object = object;
|
|
this.property = property;
|
|
}
|
|
return ComputedMemberExpression;
|
|
}());
|
|
exports.ComputedMemberExpression = ComputedMemberExpression;
|
|
var ConditionalExpression = (function () {
|
|
function ConditionalExpression(test, consequent, alternate) {
|
|
this.type = syntax_1.Syntax.ConditionalExpression;
|
|
this.test = test;
|
|
this.consequent = consequent;
|
|
this.alternate = alternate;
|
|
}
|
|
return ConditionalExpression;
|
|
}());
|
|
exports.ConditionalExpression = ConditionalExpression;
|
|
var ContinueStatement = (function () {
|
|
function ContinueStatement(label) {
|
|
this.type = syntax_1.Syntax.ContinueStatement;
|
|
this.label = label;
|
|
}
|
|
return ContinueStatement;
|
|
}());
|
|
exports.ContinueStatement = ContinueStatement;
|
|
var DebuggerStatement = (function () {
|
|
function DebuggerStatement() {
|
|
this.type = syntax_1.Syntax.DebuggerStatement;
|
|
}
|
|
return DebuggerStatement;
|
|
}());
|
|
exports.DebuggerStatement = DebuggerStatement;
|
|
var Directive = (function () {
|
|
function Directive(expression, directive) {
|
|
this.type = syntax_1.Syntax.ExpressionStatement;
|
|
this.expression = expression;
|
|
this.directive = directive;
|
|
}
|
|
return Directive;
|
|
}());
|
|
exports.Directive = Directive;
|
|
var DoWhileStatement = (function () {
|
|
function DoWhileStatement(body, test) {
|
|
this.type = syntax_1.Syntax.DoWhileStatement;
|
|
this.body = body;
|
|
this.test = test;
|
|
}
|
|
return DoWhileStatement;
|
|
}());
|
|
exports.DoWhileStatement = DoWhileStatement;
|
|
var EmptyStatement = (function () {
|
|
function EmptyStatement() {
|
|
this.type = syntax_1.Syntax.EmptyStatement;
|
|
}
|
|
return EmptyStatement;
|
|
}());
|
|
exports.EmptyStatement = EmptyStatement;
|
|
var ExportAllDeclaration = (function () {
|
|
function ExportAllDeclaration(source) {
|
|
this.type = syntax_1.Syntax.ExportAllDeclaration;
|
|
this.source = source;
|
|
}
|
|
return ExportAllDeclaration;
|
|
}());
|
|
exports.ExportAllDeclaration = ExportAllDeclaration;
|
|
var ExportDefaultDeclaration = (function () {
|
|
function ExportDefaultDeclaration(declaration) {
|
|
this.type = syntax_1.Syntax.ExportDefaultDeclaration;
|
|
this.declaration = declaration;
|
|
}
|
|
return ExportDefaultDeclaration;
|
|
}());
|
|
exports.ExportDefaultDeclaration = ExportDefaultDeclaration;
|
|
var ExportNamedDeclaration = (function () {
|
|
function ExportNamedDeclaration(declaration, specifiers, source) {
|
|
this.type = syntax_1.Syntax.ExportNamedDeclaration;
|
|
this.declaration = declaration;
|
|
this.specifiers = specifiers;
|
|
this.source = source;
|
|
}
|
|
return ExportNamedDeclaration;
|
|
}());
|
|
exports.ExportNamedDeclaration = ExportNamedDeclaration;
|
|
var ExportSpecifier = (function () {
|
|
function ExportSpecifier(local, exported) {
|
|
this.type = syntax_1.Syntax.ExportSpecifier;
|
|
this.exported = exported;
|
|
this.local = local;
|
|
}
|
|
return ExportSpecifier;
|
|
}());
|
|
exports.ExportSpecifier = ExportSpecifier;
|
|
var ExpressionStatement = (function () {
|
|
function ExpressionStatement(expression) {
|
|
this.type = syntax_1.Syntax.ExpressionStatement;
|
|
this.expression = expression;
|
|
}
|
|
return ExpressionStatement;
|
|
}());
|
|
exports.ExpressionStatement = ExpressionStatement;
|
|
var ForInStatement = (function () {
|
|
function ForInStatement(left, right, body) {
|
|
this.type = syntax_1.Syntax.ForInStatement;
|
|
this.left = left;
|
|
this.right = right;
|
|
this.body = body;
|
|
this.each = false;
|
|
}
|
|
return ForInStatement;
|
|
}());
|
|
exports.ForInStatement = ForInStatement;
|
|
var ForOfStatement = (function () {
|
|
function ForOfStatement(left, right, body) {
|
|
this.type = syntax_1.Syntax.ForOfStatement;
|
|
this.left = left;
|
|
this.right = right;
|
|
this.body = body;
|
|
}
|
|
return ForOfStatement;
|
|
}());
|
|
exports.ForOfStatement = ForOfStatement;
|
|
var ForStatement = (function () {
|
|
function ForStatement(init, test, update, body) {
|
|
this.type = syntax_1.Syntax.ForStatement;
|
|
this.init = init;
|
|
this.test = test;
|
|
this.update = update;
|
|
this.body = body;
|
|
}
|
|
return ForStatement;
|
|
}());
|
|
exports.ForStatement = ForStatement;
|
|
var FunctionDeclaration = (function () {
|
|
function FunctionDeclaration(id, params, body, generator) {
|
|
this.type = syntax_1.Syntax.FunctionDeclaration;
|
|
this.id = id;
|
|
this.params = params;
|
|
this.body = body;
|
|
this.generator = generator;
|
|
this.expression = false;
|
|
}
|
|
return FunctionDeclaration;
|
|
}());
|
|
exports.FunctionDeclaration = FunctionDeclaration;
|
|
var FunctionExpression = (function () {
|
|
function FunctionExpression(id, params, body, generator) {
|
|
this.type = syntax_1.Syntax.FunctionExpression;
|
|
this.id = id;
|
|
this.params = params;
|
|
this.body = body;
|
|
this.generator = generator;
|
|
this.expression = false;
|
|
}
|
|
return FunctionExpression;
|
|
}());
|
|
exports.FunctionExpression = FunctionExpression;
|
|
var Identifier = (function () {
|
|
function Identifier(name) {
|
|
this.type = syntax_1.Syntax.Identifier;
|
|
this.name = name;
|
|
}
|
|
return Identifier;
|
|
}());
|
|
exports.Identifier = Identifier;
|
|
var IfStatement = (function () {
|
|
function IfStatement(test, consequent, alternate) {
|
|
this.type = syntax_1.Syntax.IfStatement;
|
|
this.test = test;
|
|
this.consequent = consequent;
|
|
this.alternate = alternate;
|
|
}
|
|
return IfStatement;
|
|
}());
|
|
exports.IfStatement = IfStatement;
|
|
var ImportDeclaration = (function () {
|
|
function ImportDeclaration(specifiers, source) {
|
|
this.type = syntax_1.Syntax.ImportDeclaration;
|
|
this.specifiers = specifiers;
|
|
this.source = source;
|
|
}
|
|
return ImportDeclaration;
|
|
}());
|
|
exports.ImportDeclaration = ImportDeclaration;
|
|
var ImportDefaultSpecifier = (function () {
|
|
function ImportDefaultSpecifier(local) {
|
|
this.type = syntax_1.Syntax.ImportDefaultSpecifier;
|
|
this.local = local;
|
|
}
|
|
return ImportDefaultSpecifier;
|
|
}());
|
|
exports.ImportDefaultSpecifier = ImportDefaultSpecifier;
|
|
var ImportNamespaceSpecifier = (function () {
|
|
function ImportNamespaceSpecifier(local) {
|
|
this.type = syntax_1.Syntax.ImportNamespaceSpecifier;
|
|
this.local = local;
|
|
}
|
|
return ImportNamespaceSpecifier;
|
|
}());
|
|
exports.ImportNamespaceSpecifier = ImportNamespaceSpecifier;
|
|
var ImportSpecifier = (function () {
|
|
function ImportSpecifier(local, imported) {
|
|
this.type = syntax_1.Syntax.ImportSpecifier;
|
|
this.local = local;
|
|
this.imported = imported;
|
|
}
|
|
return ImportSpecifier;
|
|
}());
|
|
exports.ImportSpecifier = ImportSpecifier;
|
|
var LabeledStatement = (function () {
|
|
function LabeledStatement(label, body) {
|
|
this.type = syntax_1.Syntax.LabeledStatement;
|
|
this.label = label;
|
|
this.body = body;
|
|
}
|
|
return LabeledStatement;
|
|
}());
|
|
exports.LabeledStatement = LabeledStatement;
|
|
var Literal = (function () {
|
|
function Literal(value, raw) {
|
|
this.type = syntax_1.Syntax.Literal;
|
|
this.value = value;
|
|
this.raw = raw;
|
|
}
|
|
return Literal;
|
|
}());
|
|
exports.Literal = Literal;
|
|
var MetaProperty = (function () {
|
|
function MetaProperty(meta, property) {
|
|
this.type = syntax_1.Syntax.MetaProperty;
|
|
this.meta = meta;
|
|
this.property = property;
|
|
}
|
|
return MetaProperty;
|
|
}());
|
|
exports.MetaProperty = MetaProperty;
|
|
var MethodDefinition = (function () {
|
|
function MethodDefinition(key, computed, value, kind, isStatic) {
|
|
this.type = syntax_1.Syntax.MethodDefinition;
|
|
this.key = key;
|
|
this.computed = computed;
|
|
this.value = value;
|
|
this.kind = kind;
|
|
this.static = isStatic;
|
|
}
|
|
return MethodDefinition;
|
|
}());
|
|
exports.MethodDefinition = MethodDefinition;
|
|
var NewExpression = (function () {
|
|
function NewExpression(callee, args) {
|
|
this.type = syntax_1.Syntax.NewExpression;
|
|
this.callee = callee;
|
|
this.arguments = args;
|
|
}
|
|
return NewExpression;
|
|
}());
|
|
exports.NewExpression = NewExpression;
|
|
var ObjectExpression = (function () {
|
|
function ObjectExpression(properties) {
|
|
this.type = syntax_1.Syntax.ObjectExpression;
|
|
this.properties = properties;
|
|
}
|
|
return ObjectExpression;
|
|
}());
|
|
exports.ObjectExpression = ObjectExpression;
|
|
var ObjectPattern = (function () {
|
|
function ObjectPattern(properties) {
|
|
this.type = syntax_1.Syntax.ObjectPattern;
|
|
this.properties = properties;
|
|
}
|
|
return ObjectPattern;
|
|
}());
|
|
exports.ObjectPattern = ObjectPattern;
|
|
var Program = (function () {
|
|
function Program(body, sourceType) {
|
|
this.type = syntax_1.Syntax.Program;
|
|
this.body = body;
|
|
this.sourceType = sourceType;
|
|
}
|
|
return Program;
|
|
}());
|
|
exports.Program = Program;
|
|
var Property = (function () {
|
|
function Property(kind, key, computed, value, method, shorthand) {
|
|
this.type = syntax_1.Syntax.Property;
|
|
this.key = key;
|
|
this.computed = computed;
|
|
this.value = value;
|
|
this.kind = kind;
|
|
this.method = method;
|
|
this.shorthand = shorthand;
|
|
}
|
|
return Property;
|
|
}());
|
|
exports.Property = Property;
|
|
var RegexLiteral = (function () {
|
|
function RegexLiteral(value, raw, regex) {
|
|
this.type = syntax_1.Syntax.Literal;
|
|
this.value = value;
|
|
this.raw = raw;
|
|
this.regex = regex;
|
|
}
|
|
return RegexLiteral;
|
|
}());
|
|
exports.RegexLiteral = RegexLiteral;
|
|
var RestElement = (function () {
|
|
function RestElement(argument) {
|
|
this.type = syntax_1.Syntax.RestElement;
|
|
this.argument = argument;
|
|
}
|
|
return RestElement;
|
|
}());
|
|
exports.RestElement = RestElement;
|
|
var ReturnStatement = (function () {
|
|
function ReturnStatement(argument) {
|
|
this.type = syntax_1.Syntax.ReturnStatement;
|
|
this.argument = argument;
|
|
}
|
|
return ReturnStatement;
|
|
}());
|
|
exports.ReturnStatement = ReturnStatement;
|
|
var SequenceExpression = (function () {
|
|
function SequenceExpression(expressions) {
|
|
this.type = syntax_1.Syntax.SequenceExpression;
|
|
this.expressions = expressions;
|
|
}
|
|
return SequenceExpression;
|
|
}());
|
|
exports.SequenceExpression = SequenceExpression;
|
|
var SpreadElement = (function () {
|
|
function SpreadElement(argument) {
|
|
this.type = syntax_1.Syntax.SpreadElement;
|
|
this.argument = argument;
|
|
}
|
|
return SpreadElement;
|
|
}());
|
|
exports.SpreadElement = SpreadElement;
|
|
var StaticMemberExpression = (function () {
|
|
function StaticMemberExpression(object, property) {
|
|
this.type = syntax_1.Syntax.MemberExpression;
|
|
this.computed = false;
|
|
this.object = object;
|
|
this.property = property;
|
|
}
|
|
return StaticMemberExpression;
|
|
}());
|
|
exports.StaticMemberExpression = StaticMemberExpression;
|
|
var Super = (function () {
|
|
function Super() {
|
|
this.type = syntax_1.Syntax.Super;
|
|
}
|
|
return Super;
|
|
}());
|
|
exports.Super = Super;
|
|
var SwitchCase = (function () {
|
|
function SwitchCase(test, consequent) {
|
|
this.type = syntax_1.Syntax.SwitchCase;
|
|
this.test = test;
|
|
this.consequent = consequent;
|
|
}
|
|
return SwitchCase;
|
|
}());
|
|
exports.SwitchCase = SwitchCase;
|
|
var SwitchStatement = (function () {
|
|
function SwitchStatement(discriminant, cases) {
|
|
this.type = syntax_1.Syntax.SwitchStatement;
|
|
this.discriminant = discriminant;
|
|
this.cases = cases;
|
|
}
|
|
return SwitchStatement;
|
|
}());
|
|
exports.SwitchStatement = SwitchStatement;
|
|
var TaggedTemplateExpression = (function () {
|
|
function TaggedTemplateExpression(tag, quasi) {
|
|
this.type = syntax_1.Syntax.TaggedTemplateExpression;
|
|
this.tag = tag;
|
|
this.quasi = quasi;
|
|
}
|
|
return TaggedTemplateExpression;
|
|
}());
|
|
exports.TaggedTemplateExpression = TaggedTemplateExpression;
|
|
var TemplateElement = (function () {
|
|
function TemplateElement(value, tail) {
|
|
this.type = syntax_1.Syntax.TemplateElement;
|
|
this.value = value;
|
|
this.tail = tail;
|
|
}
|
|
return TemplateElement;
|
|
}());
|
|
exports.TemplateElement = TemplateElement;
|
|
var TemplateLiteral = (function () {
|
|
function TemplateLiteral(quasis, expressions) {
|
|
this.type = syntax_1.Syntax.TemplateLiteral;
|
|
this.quasis = quasis;
|
|
this.expressions = expressions;
|
|
}
|
|
return TemplateLiteral;
|
|
}());
|
|
exports.TemplateLiteral = TemplateLiteral;
|
|
var ThisExpression = (function () {
|
|
function ThisExpression() {
|
|
this.type = syntax_1.Syntax.ThisExpression;
|
|
}
|
|
return ThisExpression;
|
|
}());
|
|
exports.ThisExpression = ThisExpression;
|
|
var ThrowStatement = (function () {
|
|
function ThrowStatement(argument) {
|
|
this.type = syntax_1.Syntax.ThrowStatement;
|
|
this.argument = argument;
|
|
}
|
|
return ThrowStatement;
|
|
}());
|
|
exports.ThrowStatement = ThrowStatement;
|
|
var TryStatement = (function () {
|
|
function TryStatement(block, handler, finalizer) {
|
|
this.type = syntax_1.Syntax.TryStatement;
|
|
this.block = block;
|
|
this.handler = handler;
|
|
this.finalizer = finalizer;
|
|
}
|
|
return TryStatement;
|
|
}());
|
|
exports.TryStatement = TryStatement;
|
|
var UnaryExpression = (function () {
|
|
function UnaryExpression(operator, argument) {
|
|
this.type = syntax_1.Syntax.UnaryExpression;
|
|
this.operator = operator;
|
|
this.argument = argument;
|
|
this.prefix = true;
|
|
}
|
|
return UnaryExpression;
|
|
}());
|
|
exports.UnaryExpression = UnaryExpression;
|
|
var UpdateExpression = (function () {
|
|
function UpdateExpression(operator, argument, prefix) {
|
|
this.type = syntax_1.Syntax.UpdateExpression;
|
|
this.operator = operator;
|
|
this.argument = argument;
|
|
this.prefix = prefix;
|
|
}
|
|
return UpdateExpression;
|
|
}());
|
|
exports.UpdateExpression = UpdateExpression;
|
|
var VariableDeclaration = (function () {
|
|
function VariableDeclaration(declarations, kind) {
|
|
this.type = syntax_1.Syntax.VariableDeclaration;
|
|
this.declarations = declarations;
|
|
this.kind = kind;
|
|
}
|
|
return VariableDeclaration;
|
|
}());
|
|
exports.VariableDeclaration = VariableDeclaration;
|
|
var VariableDeclarator = (function () {
|
|
function VariableDeclarator(id, init) {
|
|
this.type = syntax_1.Syntax.VariableDeclarator;
|
|
this.id = id;
|
|
this.init = init;
|
|
}
|
|
return VariableDeclarator;
|
|
}());
|
|
exports.VariableDeclarator = VariableDeclarator;
|
|
var WhileStatement = (function () {
|
|
function WhileStatement(test, body) {
|
|
this.type = syntax_1.Syntax.WhileStatement;
|
|
this.test = test;
|
|
this.body = body;
|
|
}
|
|
return WhileStatement;
|
|
}());
|
|
exports.WhileStatement = WhileStatement;
|
|
var WithStatement = (function () {
|
|
function WithStatement(object, body) {
|
|
this.type = syntax_1.Syntax.WithStatement;
|
|
this.object = object;
|
|
this.body = body;
|
|
}
|
|
return WithStatement;
|
|
}());
|
|
exports.WithStatement = WithStatement;
|
|
var YieldExpression = (function () {
|
|
function YieldExpression(argument, delegate) {
|
|
this.type = syntax_1.Syntax.YieldExpression;
|
|
this.argument = argument;
|
|
this.delegate = delegate;
|
|
}
|
|
return YieldExpression;
|
|
}());
|
|
exports.YieldExpression = YieldExpression;
|
|
|
|
|
|
/***/ },
|
|
/* 11 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
/* istanbul ignore next */
|
|
var __extends = (this && this.__extends) || function (d, b) {
|
|
for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p];
|
|
function __() { this.constructor = d; }
|
|
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
|
};
|
|
var character_1 = __webpack_require__(9);
|
|
var token_1 = __webpack_require__(7);
|
|
var parser_1 = __webpack_require__(3);
|
|
var xhtml_entities_1 = __webpack_require__(12);
|
|
var jsx_syntax_1 = __webpack_require__(13);
|
|
var Node = __webpack_require__(10);
|
|
var JSXNode = __webpack_require__(14);
|
|
var JSXToken;
|
|
(function (JSXToken) {
|
|
JSXToken[JSXToken["Identifier"] = 100] = "Identifier";
|
|
JSXToken[JSXToken["Text"] = 101] = "Text";
|
|
})(JSXToken || (JSXToken = {}));
|
|
token_1.TokenName[JSXToken.Identifier] = 'JSXIdentifier';
|
|
token_1.TokenName[JSXToken.Text] = 'JSXText';
|
|
// Fully qualified element name, e.g. <svg:path> returns "svg:path"
|
|
function getQualifiedElementName(elementName) {
|
|
var qualifiedName;
|
|
switch (elementName.type) {
|
|
case jsx_syntax_1.JSXSyntax.JSXIdentifier:
|
|
var id = (elementName);
|
|
qualifiedName = id.name;
|
|
break;
|
|
case jsx_syntax_1.JSXSyntax.JSXNamespacedName:
|
|
var ns = (elementName);
|
|
qualifiedName = getQualifiedElementName(ns.namespace) + ':' +
|
|
getQualifiedElementName(ns.name);
|
|
break;
|
|
case jsx_syntax_1.JSXSyntax.JSXMemberExpression:
|
|
var expr = (elementName);
|
|
qualifiedName = getQualifiedElementName(expr.object) + '.' +
|
|
getQualifiedElementName(expr.property);
|
|
break;
|
|
}
|
|
return qualifiedName;
|
|
}
|
|
var JSXParser = (function (_super) {
|
|
__extends(JSXParser, _super);
|
|
function JSXParser(code, options, delegate) {
|
|
_super.call(this, code, options, delegate);
|
|
}
|
|
JSXParser.prototype.parsePrimaryExpression = function () {
|
|
return this.match('<') ? this.parseJSXRoot() : _super.prototype.parsePrimaryExpression.call(this);
|
|
};
|
|
JSXParser.prototype.startJSX = function () {
|
|
// Unwind the scanner before the lookahead token.
|
|
this.scanner.index = this.startMarker.index;
|
|
this.scanner.lineNumber = this.startMarker.lineNumber;
|
|
this.scanner.lineStart = this.startMarker.lineStart;
|
|
};
|
|
JSXParser.prototype.finishJSX = function () {
|
|
// Prime the next lookahead.
|
|
this.nextToken();
|
|
};
|
|
JSXParser.prototype.reenterJSX = function () {
|
|
this.startJSX();
|
|
this.expectJSX('}');
|
|
// Pop the closing '}' added from the lookahead.
|
|
if (this.config.tokens) {
|
|
this.tokens.pop();
|
|
}
|
|
};
|
|
JSXParser.prototype.createJSXNode = function () {
|
|
this.collectComments();
|
|
return {
|
|
index: this.scanner.index,
|
|
line: this.scanner.lineNumber,
|
|
column: this.scanner.index - this.scanner.lineStart
|
|
};
|
|
};
|
|
JSXParser.prototype.createJSXChildNode = function () {
|
|
return {
|
|
index: this.scanner.index,
|
|
line: this.scanner.lineNumber,
|
|
column: this.scanner.index - this.scanner.lineStart
|
|
};
|
|
};
|
|
JSXParser.prototype.scanXHTMLEntity = function (quote) {
|
|
var result = '&';
|
|
var valid = true;
|
|
var terminated = false;
|
|
var numeric = false;
|
|
var hex = false;
|
|
while (!this.scanner.eof() && valid && !terminated) {
|
|
var ch = this.scanner.source[this.scanner.index];
|
|
if (ch === quote) {
|
|
break;
|
|
}
|
|
terminated = (ch === ';');
|
|
result += ch;
|
|
++this.scanner.index;
|
|
if (!terminated) {
|
|
switch (result.length) {
|
|
case 2:
|
|
// e.g. '{'
|
|
numeric = (ch === '#');
|
|
break;
|
|
case 3:
|
|
if (numeric) {
|
|
// e.g. 'A'
|
|
hex = (ch === 'x');
|
|
valid = hex || character_1.Character.isDecimalDigit(ch.charCodeAt(0));
|
|
numeric = numeric && !hex;
|
|
}
|
|
break;
|
|
default:
|
|
valid = valid && !(numeric && !character_1.Character.isDecimalDigit(ch.charCodeAt(0)));
|
|
valid = valid && !(hex && !character_1.Character.isHexDigit(ch.charCodeAt(0)));
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
if (valid && terminated && result.length > 2) {
|
|
// e.g. 'A' becomes just '#x41'
|
|
var str = result.substr(1, result.length - 2);
|
|
if (numeric && str.length > 1) {
|
|
result = String.fromCharCode(parseInt(str.substr(1), 10));
|
|
}
|
|
else if (hex && str.length > 2) {
|
|
result = String.fromCharCode(parseInt('0' + str.substr(1), 16));
|
|
}
|
|
else if (!numeric && !hex && xhtml_entities_1.XHTMLEntities[str]) {
|
|
result = xhtml_entities_1.XHTMLEntities[str];
|
|
}
|
|
}
|
|
return result;
|
|
};
|
|
// Scan the next JSX token. This replaces Scanner#lex when in JSX mode.
|
|
JSXParser.prototype.lexJSX = function () {
|
|
var cp = this.scanner.source.charCodeAt(this.scanner.index);
|
|
// < > / : = { }
|
|
if (cp === 60 || cp === 62 || cp === 47 || cp === 58 || cp === 61 || cp === 123 || cp === 125) {
|
|
var value = this.scanner.source[this.scanner.index++];
|
|
return {
|
|
type: token_1.Token.Punctuator,
|
|
value: value,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: this.scanner.lineStart,
|
|
start: this.scanner.index - 1,
|
|
end: this.scanner.index
|
|
};
|
|
}
|
|
// " '
|
|
if (cp === 34 || cp === 39) {
|
|
var start = this.scanner.index;
|
|
var quote = this.scanner.source[this.scanner.index++];
|
|
var str = '';
|
|
while (!this.scanner.eof()) {
|
|
var ch = this.scanner.source[this.scanner.index++];
|
|
if (ch === quote) {
|
|
break;
|
|
}
|
|
else if (ch === '&') {
|
|
str += this.scanXHTMLEntity(quote);
|
|
}
|
|
else {
|
|
str += ch;
|
|
}
|
|
}
|
|
return {
|
|
type: token_1.Token.StringLiteral,
|
|
value: str,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: this.scanner.lineStart,
|
|
start: start,
|
|
end: this.scanner.index
|
|
};
|
|
}
|
|
// ... or .
|
|
if (cp === 46) {
|
|
var n1 = this.scanner.source.charCodeAt(this.scanner.index + 1);
|
|
var n2 = this.scanner.source.charCodeAt(this.scanner.index + 2);
|
|
var value = (n1 === 46 && n2 === 46) ? '...' : '.';
|
|
var start = this.scanner.index;
|
|
this.scanner.index += value.length;
|
|
return {
|
|
type: token_1.Token.Punctuator,
|
|
value: value,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: this.scanner.lineStart,
|
|
start: start,
|
|
end: this.scanner.index
|
|
};
|
|
}
|
|
// `
|
|
if (cp === 96) {
|
|
// Only placeholder, since it will be rescanned as a real assignment expression.
|
|
return {
|
|
type: token_1.Token.Template,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: this.scanner.lineStart,
|
|
start: this.scanner.index,
|
|
end: this.scanner.index
|
|
};
|
|
}
|
|
// Identifer can not contain backslash (char code 92).
|
|
if (character_1.Character.isIdentifierStart(cp) && (cp !== 92)) {
|
|
var start = this.scanner.index;
|
|
++this.scanner.index;
|
|
while (!this.scanner.eof()) {
|
|
var ch = this.scanner.source.charCodeAt(this.scanner.index);
|
|
if (character_1.Character.isIdentifierPart(ch) && (ch !== 92)) {
|
|
++this.scanner.index;
|
|
}
|
|
else if (ch === 45) {
|
|
// Hyphen (char code 45) can be part of an identifier.
|
|
++this.scanner.index;
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
var id = this.scanner.source.slice(start, this.scanner.index);
|
|
return {
|
|
type: JSXToken.Identifier,
|
|
value: id,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: this.scanner.lineStart,
|
|
start: start,
|
|
end: this.scanner.index
|
|
};
|
|
}
|
|
this.scanner.throwUnexpectedToken();
|
|
};
|
|
JSXParser.prototype.nextJSXToken = function () {
|
|
this.collectComments();
|
|
this.startMarker.index = this.scanner.index;
|
|
this.startMarker.lineNumber = this.scanner.lineNumber;
|
|
this.startMarker.lineStart = this.scanner.lineStart;
|
|
var token = this.lexJSX();
|
|
this.lastMarker.index = this.scanner.index;
|
|
this.lastMarker.lineNumber = this.scanner.lineNumber;
|
|
this.lastMarker.lineStart = this.scanner.lineStart;
|
|
if (this.config.tokens) {
|
|
this.tokens.push(this.convertToken(token));
|
|
}
|
|
return token;
|
|
};
|
|
JSXParser.prototype.nextJSXText = function () {
|
|
this.startMarker.index = this.scanner.index;
|
|
this.startMarker.lineNumber = this.scanner.lineNumber;
|
|
this.startMarker.lineStart = this.scanner.lineStart;
|
|
var start = this.scanner.index;
|
|
var text = '';
|
|
while (!this.scanner.eof()) {
|
|
var ch = this.scanner.source[this.scanner.index];
|
|
if (ch === '{' || ch === '<') {
|
|
break;
|
|
}
|
|
++this.scanner.index;
|
|
text += ch;
|
|
if (character_1.Character.isLineTerminator(ch.charCodeAt(0))) {
|
|
++this.scanner.lineNumber;
|
|
if (ch === '\r' && this.scanner.source[this.scanner.index] === '\n') {
|
|
++this.scanner.index;
|
|
}
|
|
this.scanner.lineStart = this.scanner.index;
|
|
}
|
|
}
|
|
this.lastMarker.index = this.scanner.index;
|
|
this.lastMarker.lineNumber = this.scanner.lineNumber;
|
|
this.lastMarker.lineStart = this.scanner.lineStart;
|
|
var token = {
|
|
type: JSXToken.Text,
|
|
value: text,
|
|
lineNumber: this.scanner.lineNumber,
|
|
lineStart: this.scanner.lineStart,
|
|
start: start,
|
|
end: this.scanner.index
|
|
};
|
|
if ((text.length > 0) && this.config.tokens) {
|
|
this.tokens.push(this.convertToken(token));
|
|
}
|
|
return token;
|
|
};
|
|
JSXParser.prototype.peekJSXToken = function () {
|
|
var previousIndex = this.scanner.index;
|
|
var previousLineNumber = this.scanner.lineNumber;
|
|
var previousLineStart = this.scanner.lineStart;
|
|
this.scanner.scanComments();
|
|
var next = this.lexJSX();
|
|
this.scanner.index = previousIndex;
|
|
this.scanner.lineNumber = previousLineNumber;
|
|
this.scanner.lineStart = previousLineStart;
|
|
return next;
|
|
};
|
|
// Expect the next JSX token to match the specified punctuator.
|
|
// If not, an exception will be thrown.
|
|
JSXParser.prototype.expectJSX = function (value) {
|
|
var token = this.nextJSXToken();
|
|
if (token.type !== token_1.Token.Punctuator || token.value !== value) {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
};
|
|
// Return true if the next JSX token matches the specified punctuator.
|
|
JSXParser.prototype.matchJSX = function (value) {
|
|
var next = this.peekJSXToken();
|
|
return next.type === token_1.Token.Punctuator && next.value === value;
|
|
};
|
|
JSXParser.prototype.parseJSXIdentifier = function () {
|
|
var node = this.createJSXNode();
|
|
var token = this.nextJSXToken();
|
|
if (token.type !== JSXToken.Identifier) {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
return this.finalize(node, new JSXNode.JSXIdentifier(token.value));
|
|
};
|
|
JSXParser.prototype.parseJSXElementName = function () {
|
|
var node = this.createJSXNode();
|
|
var elementName = this.parseJSXIdentifier();
|
|
if (this.matchJSX(':')) {
|
|
var namespace = elementName;
|
|
this.expectJSX(':');
|
|
var name_1 = this.parseJSXIdentifier();
|
|
elementName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_1));
|
|
}
|
|
else if (this.matchJSX('.')) {
|
|
while (this.matchJSX('.')) {
|
|
var object = elementName;
|
|
this.expectJSX('.');
|
|
var property = this.parseJSXIdentifier();
|
|
elementName = this.finalize(node, new JSXNode.JSXMemberExpression(object, property));
|
|
}
|
|
}
|
|
return elementName;
|
|
};
|
|
JSXParser.prototype.parseJSXAttributeName = function () {
|
|
var node = this.createJSXNode();
|
|
var attributeName;
|
|
var identifier = this.parseJSXIdentifier();
|
|
if (this.matchJSX(':')) {
|
|
var namespace = identifier;
|
|
this.expectJSX(':');
|
|
var name_2 = this.parseJSXIdentifier();
|
|
attributeName = this.finalize(node, new JSXNode.JSXNamespacedName(namespace, name_2));
|
|
}
|
|
else {
|
|
attributeName = identifier;
|
|
}
|
|
return attributeName;
|
|
};
|
|
JSXParser.prototype.parseJSXStringLiteralAttribute = function () {
|
|
var node = this.createJSXNode();
|
|
var token = this.nextJSXToken();
|
|
if (token.type !== token_1.Token.StringLiteral) {
|
|
this.throwUnexpectedToken(token);
|
|
}
|
|
var raw = this.getTokenRaw(token);
|
|
return this.finalize(node, new Node.Literal(token.value, raw));
|
|
};
|
|
JSXParser.prototype.parseJSXExpressionAttribute = function () {
|
|
var node = this.createJSXNode();
|
|
this.expectJSX('{');
|
|
this.finishJSX();
|
|
if (this.match('}')) {
|
|
this.tolerateError('JSX attributes must only be assigned a non-empty expression');
|
|
}
|
|
var expression = this.parseAssignmentExpression();
|
|
this.reenterJSX();
|
|
return this.finalize(node, new JSXNode.JSXExpressionContainer(expression));
|
|
};
|
|
JSXParser.prototype.parseJSXAttributeValue = function () {
|
|
return this.matchJSX('{') ? this.parseJSXExpressionAttribute() :
|
|
this.matchJSX('<') ? this.parseJSXElement() : this.parseJSXStringLiteralAttribute();
|
|
};
|
|
JSXParser.prototype.parseJSXNameValueAttribute = function () {
|
|
var node = this.createJSXNode();
|
|
var name = this.parseJSXAttributeName();
|
|
var value = null;
|
|
if (this.matchJSX('=')) {
|
|
this.expectJSX('=');
|
|
value = this.parseJSXAttributeValue();
|
|
}
|
|
return this.finalize(node, new JSXNode.JSXAttribute(name, value));
|
|
};
|
|
JSXParser.prototype.parseJSXSpreadAttribute = function () {
|
|
var node = this.createJSXNode();
|
|
this.expectJSX('{');
|
|
this.expectJSX('...');
|
|
this.finishJSX();
|
|
var argument = this.parseAssignmentExpression();
|
|
this.reenterJSX();
|
|
return this.finalize(node, new JSXNode.JSXSpreadAttribute(argument));
|
|
};
|
|
JSXParser.prototype.parseJSXAttributes = function () {
|
|
var attributes = [];
|
|
while (!this.matchJSX('/') && !this.matchJSX('>')) {
|
|
var attribute = this.matchJSX('{') ? this.parseJSXSpreadAttribute() :
|
|
this.parseJSXNameValueAttribute();
|
|
attributes.push(attribute);
|
|
}
|
|
return attributes;
|
|
};
|
|
JSXParser.prototype.parseJSXOpeningElement = function () {
|
|
var node = this.createJSXNode();
|
|
this.expectJSX('<');
|
|
var name = this.parseJSXElementName();
|
|
var attributes = this.parseJSXAttributes();
|
|
var selfClosing = this.matchJSX('/');
|
|
if (selfClosing) {
|
|
this.expectJSX('/');
|
|
}
|
|
this.expectJSX('>');
|
|
return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes));
|
|
};
|
|
JSXParser.prototype.parseJSXBoundaryElement = function () {
|
|
var node = this.createJSXNode();
|
|
this.expectJSX('<');
|
|
if (this.matchJSX('/')) {
|
|
this.expectJSX('/');
|
|
var name_3 = this.parseJSXElementName();
|
|
this.expectJSX('>');
|
|
return this.finalize(node, new JSXNode.JSXClosingElement(name_3));
|
|
}
|
|
var name = this.parseJSXElementName();
|
|
var attributes = this.parseJSXAttributes();
|
|
var selfClosing = this.matchJSX('/');
|
|
if (selfClosing) {
|
|
this.expectJSX('/');
|
|
}
|
|
this.expectJSX('>');
|
|
return this.finalize(node, new JSXNode.JSXOpeningElement(name, selfClosing, attributes));
|
|
};
|
|
JSXParser.prototype.parseJSXEmptyExpression = function () {
|
|
var node = this.createJSXChildNode();
|
|
this.collectComments();
|
|
this.lastMarker.index = this.scanner.index;
|
|
this.lastMarker.lineNumber = this.scanner.lineNumber;
|
|
this.lastMarker.lineStart = this.scanner.lineStart;
|
|
return this.finalize(node, new JSXNode.JSXEmptyExpression());
|
|
};
|
|
JSXParser.prototype.parseJSXExpressionContainer = function () {
|
|
var node = this.createJSXNode();
|
|
this.expectJSX('{');
|
|
var expression;
|
|
if (this.matchJSX('}')) {
|
|
expression = this.parseJSXEmptyExpression();
|
|
this.expectJSX('}');
|
|
}
|
|
else {
|
|
this.finishJSX();
|
|
expression = this.parseAssignmentExpression();
|
|
this.reenterJSX();
|
|
}
|
|
return this.finalize(node, new JSXNode.JSXExpressionContainer(expression));
|
|
};
|
|
JSXParser.prototype.parseJSXChildren = function () {
|
|
var children = [];
|
|
while (!this.scanner.eof()) {
|
|
var node = this.createJSXChildNode();
|
|
var token = this.nextJSXText();
|
|
if (token.start < token.end) {
|
|
var raw = this.getTokenRaw(token);
|
|
var child = this.finalize(node, new JSXNode.JSXText(token.value, raw));
|
|
children.push(child);
|
|
}
|
|
if (this.scanner.source[this.scanner.index] === '{') {
|
|
var container = this.parseJSXExpressionContainer();
|
|
children.push(container);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
return children;
|
|
};
|
|
JSXParser.prototype.parseComplexJSXElement = function (el) {
|
|
var stack = [];
|
|
while (!this.scanner.eof()) {
|
|
el.children = el.children.concat(this.parseJSXChildren());
|
|
var node = this.createJSXChildNode();
|
|
var element = this.parseJSXBoundaryElement();
|
|
if (element.type === jsx_syntax_1.JSXSyntax.JSXOpeningElement) {
|
|
var opening = (element);
|
|
if (opening.selfClosing) {
|
|
var child = this.finalize(node, new JSXNode.JSXElement(opening, [], null));
|
|
el.children.push(child);
|
|
}
|
|
else {
|
|
stack.push(el);
|
|
el = { node: node, opening: opening, closing: null, children: [] };
|
|
}
|
|
}
|
|
if (element.type === jsx_syntax_1.JSXSyntax.JSXClosingElement) {
|
|
el.closing = (element);
|
|
var open_1 = getQualifiedElementName(el.opening.name);
|
|
var close_1 = getQualifiedElementName(el.closing.name);
|
|
if (open_1 !== close_1) {
|
|
this.tolerateError('Expected corresponding JSX closing tag for %0', open_1);
|
|
}
|
|
if (stack.length > 0) {
|
|
var child = this.finalize(el.node, new JSXNode.JSXElement(el.opening, el.children, el.closing));
|
|
el = stack.pop();
|
|
el.children.push(child);
|
|
}
|
|
else {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return el;
|
|
};
|
|
JSXParser.prototype.parseJSXElement = function () {
|
|
var node = this.createJSXNode();
|
|
var opening = this.parseJSXOpeningElement();
|
|
var children = [];
|
|
var closing = null;
|
|
if (!opening.selfClosing) {
|
|
var el = this.parseComplexJSXElement({ node: node, opening: opening, closing: closing, children: children });
|
|
children = el.children;
|
|
closing = el.closing;
|
|
}
|
|
return this.finalize(node, new JSXNode.JSXElement(opening, children, closing));
|
|
};
|
|
JSXParser.prototype.parseJSXRoot = function () {
|
|
// Pop the opening '<' added from the lookahead.
|
|
if (this.config.tokens) {
|
|
this.tokens.pop();
|
|
}
|
|
this.startJSX();
|
|
var element = this.parseJSXElement();
|
|
this.finishJSX();
|
|
return element;
|
|
};
|
|
return JSXParser;
|
|
}(parser_1.Parser));
|
|
exports.JSXParser = JSXParser;
|
|
|
|
|
|
/***/ },
|
|
/* 12 */
|
|
/***/ function(module, exports) {
|
|
|
|
// Generated by generate-xhtml-entities.js. DO NOT MODIFY!
|
|
"use strict";
|
|
exports.XHTMLEntities = {
|
|
quot: '\u0022',
|
|
amp: '\u0026',
|
|
apos: '\u0027',
|
|
gt: '\u003E',
|
|
nbsp: '\u00A0',
|
|
iexcl: '\u00A1',
|
|
cent: '\u00A2',
|
|
pound: '\u00A3',
|
|
curren: '\u00A4',
|
|
yen: '\u00A5',
|
|
brvbar: '\u00A6',
|
|
sect: '\u00A7',
|
|
uml: '\u00A8',
|
|
copy: '\u00A9',
|
|
ordf: '\u00AA',
|
|
laquo: '\u00AB',
|
|
not: '\u00AC',
|
|
shy: '\u00AD',
|
|
reg: '\u00AE',
|
|
macr: '\u00AF',
|
|
deg: '\u00B0',
|
|
plusmn: '\u00B1',
|
|
sup2: '\u00B2',
|
|
sup3: '\u00B3',
|
|
acute: '\u00B4',
|
|
micro: '\u00B5',
|
|
para: '\u00B6',
|
|
middot: '\u00B7',
|
|
cedil: '\u00B8',
|
|
sup1: '\u00B9',
|
|
ordm: '\u00BA',
|
|
raquo: '\u00BB',
|
|
frac14: '\u00BC',
|
|
frac12: '\u00BD',
|
|
frac34: '\u00BE',
|
|
iquest: '\u00BF',
|
|
Agrave: '\u00C0',
|
|
Aacute: '\u00C1',
|
|
Acirc: '\u00C2',
|
|
Atilde: '\u00C3',
|
|
Auml: '\u00C4',
|
|
Aring: '\u00C5',
|
|
AElig: '\u00C6',
|
|
Ccedil: '\u00C7',
|
|
Egrave: '\u00C8',
|
|
Eacute: '\u00C9',
|
|
Ecirc: '\u00CA',
|
|
Euml: '\u00CB',
|
|
Igrave: '\u00CC',
|
|
Iacute: '\u00CD',
|
|
Icirc: '\u00CE',
|
|
Iuml: '\u00CF',
|
|
ETH: '\u00D0',
|
|
Ntilde: '\u00D1',
|
|
Ograve: '\u00D2',
|
|
Oacute: '\u00D3',
|
|
Ocirc: '\u00D4',
|
|
Otilde: '\u00D5',
|
|
Ouml: '\u00D6',
|
|
times: '\u00D7',
|
|
Oslash: '\u00D8',
|
|
Ugrave: '\u00D9',
|
|
Uacute: '\u00DA',
|
|
Ucirc: '\u00DB',
|
|
Uuml: '\u00DC',
|
|
Yacute: '\u00DD',
|
|
THORN: '\u00DE',
|
|
szlig: '\u00DF',
|
|
agrave: '\u00E0',
|
|
aacute: '\u00E1',
|
|
acirc: '\u00E2',
|
|
atilde: '\u00E3',
|
|
auml: '\u00E4',
|
|
aring: '\u00E5',
|
|
aelig: '\u00E6',
|
|
ccedil: '\u00E7',
|
|
egrave: '\u00E8',
|
|
eacute: '\u00E9',
|
|
ecirc: '\u00EA',
|
|
euml: '\u00EB',
|
|
igrave: '\u00EC',
|
|
iacute: '\u00ED',
|
|
icirc: '\u00EE',
|
|
iuml: '\u00EF',
|
|
eth: '\u00F0',
|
|
ntilde: '\u00F1',
|
|
ograve: '\u00F2',
|
|
oacute: '\u00F3',
|
|
ocirc: '\u00F4',
|
|
otilde: '\u00F5',
|
|
ouml: '\u00F6',
|
|
divide: '\u00F7',
|
|
oslash: '\u00F8',
|
|
ugrave: '\u00F9',
|
|
uacute: '\u00FA',
|
|
ucirc: '\u00FB',
|
|
uuml: '\u00FC',
|
|
yacute: '\u00FD',
|
|
thorn: '\u00FE',
|
|
yuml: '\u00FF',
|
|
OElig: '\u0152',
|
|
oelig: '\u0153',
|
|
Scaron: '\u0160',
|
|
scaron: '\u0161',
|
|
Yuml: '\u0178',
|
|
fnof: '\u0192',
|
|
circ: '\u02C6',
|
|
tilde: '\u02DC',
|
|
Alpha: '\u0391',
|
|
Beta: '\u0392',
|
|
Gamma: '\u0393',
|
|
Delta: '\u0394',
|
|
Epsilon: '\u0395',
|
|
Zeta: '\u0396',
|
|
Eta: '\u0397',
|
|
Theta: '\u0398',
|
|
Iota: '\u0399',
|
|
Kappa: '\u039A',
|
|
Lambda: '\u039B',
|
|
Mu: '\u039C',
|
|
Nu: '\u039D',
|
|
Xi: '\u039E',
|
|
Omicron: '\u039F',
|
|
Pi: '\u03A0',
|
|
Rho: '\u03A1',
|
|
Sigma: '\u03A3',
|
|
Tau: '\u03A4',
|
|
Upsilon: '\u03A5',
|
|
Phi: '\u03A6',
|
|
Chi: '\u03A7',
|
|
Psi: '\u03A8',
|
|
Omega: '\u03A9',
|
|
alpha: '\u03B1',
|
|
beta: '\u03B2',
|
|
gamma: '\u03B3',
|
|
delta: '\u03B4',
|
|
epsilon: '\u03B5',
|
|
zeta: '\u03B6',
|
|
eta: '\u03B7',
|
|
theta: '\u03B8',
|
|
iota: '\u03B9',
|
|
kappa: '\u03BA',
|
|
lambda: '\u03BB',
|
|
mu: '\u03BC',
|
|
nu: '\u03BD',
|
|
xi: '\u03BE',
|
|
omicron: '\u03BF',
|
|
pi: '\u03C0',
|
|
rho: '\u03C1',
|
|
sigmaf: '\u03C2',
|
|
sigma: '\u03C3',
|
|
tau: '\u03C4',
|
|
upsilon: '\u03C5',
|
|
phi: '\u03C6',
|
|
chi: '\u03C7',
|
|
psi: '\u03C8',
|
|
omega: '\u03C9',
|
|
thetasym: '\u03D1',
|
|
upsih: '\u03D2',
|
|
piv: '\u03D6',
|
|
ensp: '\u2002',
|
|
emsp: '\u2003',
|
|
thinsp: '\u2009',
|
|
zwnj: '\u200C',
|
|
zwj: '\u200D',
|
|
lrm: '\u200E',
|
|
rlm: '\u200F',
|
|
ndash: '\u2013',
|
|
mdash: '\u2014',
|
|
lsquo: '\u2018',
|
|
rsquo: '\u2019',
|
|
sbquo: '\u201A',
|
|
ldquo: '\u201C',
|
|
rdquo: '\u201D',
|
|
bdquo: '\u201E',
|
|
dagger: '\u2020',
|
|
Dagger: '\u2021',
|
|
bull: '\u2022',
|
|
hellip: '\u2026',
|
|
permil: '\u2030',
|
|
prime: '\u2032',
|
|
Prime: '\u2033',
|
|
lsaquo: '\u2039',
|
|
rsaquo: '\u203A',
|
|
oline: '\u203E',
|
|
frasl: '\u2044',
|
|
euro: '\u20AC',
|
|
image: '\u2111',
|
|
weierp: '\u2118',
|
|
real: '\u211C',
|
|
trade: '\u2122',
|
|
alefsym: '\u2135',
|
|
larr: '\u2190',
|
|
uarr: '\u2191',
|
|
rarr: '\u2192',
|
|
darr: '\u2193',
|
|
harr: '\u2194',
|
|
crarr: '\u21B5',
|
|
lArr: '\u21D0',
|
|
uArr: '\u21D1',
|
|
rArr: '\u21D2',
|
|
dArr: '\u21D3',
|
|
hArr: '\u21D4',
|
|
forall: '\u2200',
|
|
part: '\u2202',
|
|
exist: '\u2203',
|
|
empty: '\u2205',
|
|
nabla: '\u2207',
|
|
isin: '\u2208',
|
|
notin: '\u2209',
|
|
ni: '\u220B',
|
|
prod: '\u220F',
|
|
sum: '\u2211',
|
|
minus: '\u2212',
|
|
lowast: '\u2217',
|
|
radic: '\u221A',
|
|
prop: '\u221D',
|
|
infin: '\u221E',
|
|
ang: '\u2220',
|
|
and: '\u2227',
|
|
or: '\u2228',
|
|
cap: '\u2229',
|
|
cup: '\u222A',
|
|
int: '\u222B',
|
|
there4: '\u2234',
|
|
sim: '\u223C',
|
|
cong: '\u2245',
|
|
asymp: '\u2248',
|
|
ne: '\u2260',
|
|
equiv: '\u2261',
|
|
le: '\u2264',
|
|
ge: '\u2265',
|
|
sub: '\u2282',
|
|
sup: '\u2283',
|
|
nsub: '\u2284',
|
|
sube: '\u2286',
|
|
supe: '\u2287',
|
|
oplus: '\u2295',
|
|
otimes: '\u2297',
|
|
perp: '\u22A5',
|
|
sdot: '\u22C5',
|
|
lceil: '\u2308',
|
|
rceil: '\u2309',
|
|
lfloor: '\u230A',
|
|
rfloor: '\u230B',
|
|
loz: '\u25CA',
|
|
spades: '\u2660',
|
|
clubs: '\u2663',
|
|
hearts: '\u2665',
|
|
diams: '\u2666',
|
|
lang: '\u27E8',
|
|
rang: '\u27E9'
|
|
};
|
|
|
|
|
|
/***/ },
|
|
/* 13 */
|
|
/***/ function(module, exports) {
|
|
|
|
"use strict";
|
|
exports.JSXSyntax = {
|
|
JSXAttribute: 'JSXAttribute',
|
|
JSXClosingElement: 'JSXClosingElement',
|
|
JSXElement: 'JSXElement',
|
|
JSXEmptyExpression: 'JSXEmptyExpression',
|
|
JSXExpressionContainer: 'JSXExpressionContainer',
|
|
JSXIdentifier: 'JSXIdentifier',
|
|
JSXMemberExpression: 'JSXMemberExpression',
|
|
JSXNamespacedName: 'JSXNamespacedName',
|
|
JSXOpeningElement: 'JSXOpeningElement',
|
|
JSXSpreadAttribute: 'JSXSpreadAttribute',
|
|
JSXText: 'JSXText'
|
|
};
|
|
|
|
|
|
/***/ },
|
|
/* 14 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
var jsx_syntax_1 = __webpack_require__(13);
|
|
var JSXClosingElement = (function () {
|
|
function JSXClosingElement(name) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXClosingElement;
|
|
this.name = name;
|
|
}
|
|
return JSXClosingElement;
|
|
}());
|
|
exports.JSXClosingElement = JSXClosingElement;
|
|
var JSXElement = (function () {
|
|
function JSXElement(openingElement, children, closingElement) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXElement;
|
|
this.openingElement = openingElement;
|
|
this.children = children;
|
|
this.closingElement = closingElement;
|
|
}
|
|
return JSXElement;
|
|
}());
|
|
exports.JSXElement = JSXElement;
|
|
var JSXEmptyExpression = (function () {
|
|
function JSXEmptyExpression() {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXEmptyExpression;
|
|
}
|
|
return JSXEmptyExpression;
|
|
}());
|
|
exports.JSXEmptyExpression = JSXEmptyExpression;
|
|
var JSXExpressionContainer = (function () {
|
|
function JSXExpressionContainer(expression) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXExpressionContainer;
|
|
this.expression = expression;
|
|
}
|
|
return JSXExpressionContainer;
|
|
}());
|
|
exports.JSXExpressionContainer = JSXExpressionContainer;
|
|
var JSXIdentifier = (function () {
|
|
function JSXIdentifier(name) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXIdentifier;
|
|
this.name = name;
|
|
}
|
|
return JSXIdentifier;
|
|
}());
|
|
exports.JSXIdentifier = JSXIdentifier;
|
|
var JSXMemberExpression = (function () {
|
|
function JSXMemberExpression(object, property) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXMemberExpression;
|
|
this.object = object;
|
|
this.property = property;
|
|
}
|
|
return JSXMemberExpression;
|
|
}());
|
|
exports.JSXMemberExpression = JSXMemberExpression;
|
|
var JSXAttribute = (function () {
|
|
function JSXAttribute(name, value) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXAttribute;
|
|
this.name = name;
|
|
this.value = value;
|
|
}
|
|
return JSXAttribute;
|
|
}());
|
|
exports.JSXAttribute = JSXAttribute;
|
|
var JSXNamespacedName = (function () {
|
|
function JSXNamespacedName(namespace, name) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXNamespacedName;
|
|
this.namespace = namespace;
|
|
this.name = name;
|
|
}
|
|
return JSXNamespacedName;
|
|
}());
|
|
exports.JSXNamespacedName = JSXNamespacedName;
|
|
var JSXOpeningElement = (function () {
|
|
function JSXOpeningElement(name, selfClosing, attributes) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXOpeningElement;
|
|
this.name = name;
|
|
this.selfClosing = selfClosing;
|
|
this.attributes = attributes;
|
|
}
|
|
return JSXOpeningElement;
|
|
}());
|
|
exports.JSXOpeningElement = JSXOpeningElement;
|
|
var JSXSpreadAttribute = (function () {
|
|
function JSXSpreadAttribute(argument) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXSpreadAttribute;
|
|
this.argument = argument;
|
|
}
|
|
return JSXSpreadAttribute;
|
|
}());
|
|
exports.JSXSpreadAttribute = JSXSpreadAttribute;
|
|
var JSXText = (function () {
|
|
function JSXText(value, raw) {
|
|
this.type = jsx_syntax_1.JSXSyntax.JSXText;
|
|
this.value = value;
|
|
this.raw = raw;
|
|
}
|
|
return JSXText;
|
|
}());
|
|
exports.JSXText = JSXText;
|
|
|
|
|
|
/***/ },
|
|
/* 15 */
|
|
/***/ function(module, exports, __webpack_require__) {
|
|
|
|
"use strict";
|
|
var scanner_1 = __webpack_require__(8);
|
|
var error_handler_1 = __webpack_require__(6);
|
|
var token_1 = __webpack_require__(7);
|
|
var Reader = (function () {
|
|
function Reader() {
|
|
this.values = [];
|
|
this.curly = this.paren = -1;
|
|
}
|
|
;
|
|
// A function following one of those tokens is an expression.
|
|
Reader.prototype.beforeFunctionExpression = function (t) {
|
|
return ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new',
|
|
'return', 'case', 'delete', 'throw', 'void',
|
|
// assignment operators
|
|
'=', '+=', '-=', '*=', '**=', '/=', '%=', '<<=', '>>=', '>>>=',
|
|
'&=', '|=', '^=', ',',
|
|
// binary/unary operators
|
|
'+', '-', '*', '**', '/', '%', '++', '--', '<<', '>>', '>>>', '&',
|
|
'|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=',
|
|
'<=', '<', '>', '!=', '!=='].indexOf(t) >= 0;
|
|
};
|
|
;
|
|
// Determine if forward slash (/) is an operator or part of a regular expression
|
|
// https://github.com/mozilla/sweet.js/wiki/design
|
|
Reader.prototype.isRegexStart = function () {
|
|
var previous = this.values[this.values.length - 1];
|
|
var regex = (previous !== null);
|
|
switch (previous) {
|
|
case 'this':
|
|
case ']':
|
|
regex = false;
|
|
break;
|
|
case ')':
|
|
var check = this.values[this.paren - 1];
|
|
regex = (check === 'if' || check === 'while' || check === 'for' || check === 'with');
|
|
break;
|
|
case '}':
|
|
// Dividing a function by anything makes little sense,
|
|
// but we have to check for that.
|
|
regex = false;
|
|
if (this.values[this.curly - 3] === 'function') {
|
|
// Anonymous function, e.g. function(){} /42
|
|
var check_1 = this.values[this.curly - 4];
|
|
regex = check_1 ? !this.beforeFunctionExpression(check_1) : false;
|
|
}
|
|
else if (this.values[this.curly - 4] === 'function') {
|
|
// Named function, e.g. function f(){} /42/
|
|
var check_2 = this.values[this.curly - 5];
|
|
regex = check_2 ? !this.beforeFunctionExpression(check_2) : true;
|
|
}
|
|
}
|
|
return regex;
|
|
};
|
|
;
|
|
Reader.prototype.push = function (token) {
|
|
if (token.type === token_1.Token.Punctuator || token.type === token_1.Token.Keyword) {
|
|
if (token.value === '{') {
|
|
this.curly = this.values.length;
|
|
}
|
|
else if (token.value === '(') {
|
|
this.paren = this.values.length;
|
|
}
|
|
this.values.push(token.value);
|
|
}
|
|
else {
|
|
this.values.push(null);
|
|
}
|
|
};
|
|
;
|
|
return Reader;
|
|
}());
|
|
var Tokenizer = (function () {
|
|
function Tokenizer(code, config) {
|
|
this.errorHandler = new error_handler_1.ErrorHandler();
|
|
this.errorHandler.tolerant = config ? (typeof config.tolerant === 'boolean' && config.tolerant) : false;
|
|
this.scanner = new scanner_1.Scanner(code, this.errorHandler);
|
|
this.scanner.trackComment = config ? (typeof config.comment === 'boolean' && config.comment) : false;
|
|
this.trackRange = config ? (typeof config.range === 'boolean' && config.range) : false;
|
|
this.trackLoc = config ? (typeof config.loc === 'boolean' && config.loc) : false;
|
|
this.buffer = [];
|
|
this.reader = new Reader();
|
|
}
|
|
;
|
|
Tokenizer.prototype.errors = function () {
|
|
return this.errorHandler.errors;
|
|
};
|
|
;
|
|
Tokenizer.prototype.getNextToken = function () {
|
|
if (this.buffer.length === 0) {
|
|
var comments = this.scanner.scanComments();
|
|
if (this.scanner.trackComment) {
|
|
for (var i = 0; i < comments.length; ++i) {
|
|
var e = comments[i];
|
|
var comment = void 0;
|
|
var value = this.scanner.source.slice(e.slice[0], e.slice[1]);
|
|
comment = {
|
|
type: e.multiLine ? 'BlockComment' : 'LineComment',
|
|
value: value
|
|
};
|
|
if (this.trackRange) {
|
|
comment.range = e.range;
|
|
}
|
|
if (this.trackLoc) {
|
|
comment.loc = e.loc;
|
|
}
|
|
this.buffer.push(comment);
|
|
}
|
|
}
|
|
if (!this.scanner.eof()) {
|
|
var loc = void 0;
|
|
if (this.trackLoc) {
|
|
loc = {
|
|
start: {
|
|
line: this.scanner.lineNumber,
|
|
column: this.scanner.index - this.scanner.lineStart
|
|
},
|
|
end: {}
|
|
};
|
|
}
|
|
var token = void 0;
|
|
if (this.scanner.source[this.scanner.index] === '/') {
|
|
token = this.reader.isRegexStart() ? this.scanner.scanRegExp() : this.scanner.scanPunctuator();
|
|
}
|
|
else {
|
|
token = this.scanner.lex();
|
|
}
|
|
this.reader.push(token);
|
|
var entry = void 0;
|
|
entry = {
|
|
type: token_1.TokenName[token.type],
|
|
value: this.scanner.source.slice(token.start, token.end)
|
|
};
|
|
if (this.trackRange) {
|
|
entry.range = [token.start, token.end];
|
|
}
|
|
if (this.trackLoc) {
|
|
loc.end = {
|
|
line: this.scanner.lineNumber,
|
|
column: this.scanner.index - this.scanner.lineStart
|
|
};
|
|
entry.loc = loc;
|
|
}
|
|
if (token.regex) {
|
|
entry.regex = token.regex;
|
|
}
|
|
this.buffer.push(entry);
|
|
}
|
|
}
|
|
return this.buffer.shift();
|
|
};
|
|
;
|
|
return Tokenizer;
|
|
}());
|
|
exports.Tokenizer = Tokenizer;
|
|
|
|
|
|
/***/ }
|
|
/******/ ])
|
|
});
|
|
; |