| (function webpackUniversalModuleDefinition(root, factory) { |
| /* istanbul ignore next */ |
| if(typeof exports === 'object' && typeof module === 'object') |
| module.exports = factory(); |
| else if(typeof define === 'function' && define.amd) |
| define([], factory); |
| /* istanbul ignore next */ |
| else if(typeof exports === 'object') |
| exports["esprima"] = factory(); |
| else |
| root["esprima"] = factory(); |
| })(this, function() { |
| return /******/ (function(modules) { // webpackBootstrap |
| /******/ // The module cache |
| /******/ var installedModules = {}; |
| |
| /******/ // The require function |
| /******/ function __webpack_require__(moduleId) { |
| |
| /******/ // Check if module is in cache |
| /* istanbul ignore if */ |
| /******/ if(installedModules[moduleId]) |
| /******/ return installedModules[moduleId].exports; |
| |
| /******/ // Create a new module (and put it into the cache) |
| /******/ var module = installedModules[moduleId] = { |
| /******/ exports: {}, |
| /******/ id: moduleId, |
| /******/ loaded: false |
| /******/ }; |
| |
| /******/ // Execute the module function |
| /******/ modules[moduleId].call(module.exports, module, module.exports, __webpack_require__); |
| |
| /******/ // Flag the module as loaded |
| /******/ module.loaded = true; |
| |
| /******/ // Return the exports of the module |
| /******/ return module.exports; |
| /******/ } |
| |
| |
| /******/ // expose the modules object (__webpack_modules__) |
| /******/ __webpack_require__.m = modules; |
| |
| /******/ // expose the module cache |
| /******/ __webpack_require__.c = installedModules; |
| |
| /******/ // __webpack_public_path__ |
| /******/ __webpack_require__.p = ""; |
| |
| /******/ // Load entry module and return exports |
| /******/ return __webpack_require__(0); |
| /******/ }) |
| /************************************************************************/ |
| /******/ ([ |
| /* 0 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| /*
|
| Copyright JS Foundation and other contributors, https://js.foundation/
|
|
|
| Redistribution and use in source and binary forms, with or without
|
| modification, are permitted provided that the following conditions are met:
|
|
|
| * Redistributions of source code must retain the above copyright
|
| notice, this list of conditions and the following disclaimer.
|
| * Redistributions in binary form must reproduce the above copyright
|
| notice, this list of conditions and the following disclaimer in the
|
| documentation and/or other materials provided with the distribution.
|
|
|
| THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
|
| AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
| IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
| ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
|
| DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
| (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
| LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
| ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
| (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
|
| THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
| */
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var comment_handler_1 = __webpack_require__(1);
|
| var jsx_parser_1 = __webpack_require__(3);
|
| var parser_1 = __webpack_require__(8);
|
| var tokenizer_1 = __webpack_require__(15);
|
| function parse(code, options, delegate) {
|
| var commentHandler = null;
|
| var proxyDelegate = function (node, metadata) {
|
| if (delegate) {
|
| delegate(node, metadata);
|
| }
|
| if (commentHandler) {
|
| commentHandler.visit(node, metadata);
|
| }
|
| };
|
| var parserDelegate = (typeof delegate === 'function') ? proxyDelegate : null;
|
| var collectComment = false;
|
| if (options) {
|
| collectComment = (typeof options.comment === 'boolean' && options.comment);
|
| var attachComment = (typeof options.attachComment === 'boolean' && options.attachComment);
|
| if (collectComment || attachComment) {
|
| commentHandler = new comment_handler_1.CommentHandler();
|
| commentHandler.attach = attachComment;
|
| options.comment = true;
|
| parserDelegate = proxyDelegate;
|
| }
|
| }
|
| var isModule = false;
|
| if (options && typeof options.sourceType === 'string') {
|
| isModule = (options.sourceType === 'module');
|
| }
|
| var parser;
|
| if (options && typeof options.jsx === 'boolean' && options.jsx) {
|
| parser = new jsx_parser_1.JSXParser(code, options, parserDelegate);
|
| }
|
| else {
|
| parser = new parser_1.Parser(code, options, parserDelegate);
|
| }
|
| var program = isModule ? parser.parseModule() : parser.parseScript();
|
| var ast = program;
|
| if (collectComment && commentHandler) {
|
| ast.comments = commentHandler.comments;
|
| }
|
| if (parser.config.tokens) {
|
| ast.tokens = parser.tokens;
|
| }
|
| if (parser.config.tolerant) {
|
| ast.errors = parser.errorHandler.errors;
|
| }
|
| return ast;
|
| }
|
| exports.parse = parse;
|
| function parseModule(code, options, delegate) {
|
| var parsingOptions = options || {};
|
| parsingOptions.sourceType = 'module';
|
| return parse(code, parsingOptions, delegate);
|
| }
|
| exports.parseModule = parseModule;
|
| function parseScript(code, options, delegate) {
|
| var parsingOptions = options || {};
|
| parsingOptions.sourceType = 'script';
|
| return parse(code, parsingOptions, delegate);
|
| }
|
| exports.parseScript = parseScript;
|
| function tokenize(code, options, delegate) {
|
| var tokenizer = new tokenizer_1.Tokenizer(code, options);
|
| var tokens;
|
| tokens = [];
|
| try {
|
| while (true) {
|
| var token = tokenizer.getNextToken();
|
| if (!token) {
|
| break;
|
| }
|
| if (delegate) {
|
| token = delegate(token);
|
| }
|
| tokens.push(token);
|
| }
|
| }
|
| catch (e) {
|
| tokenizer.errorHandler.tolerate(e);
|
| }
|
| if (tokenizer.errorHandler.tolerant) {
|
| tokens.errors = tokenizer.errors();
|
| }
|
| return tokens;
|
| }
|
| exports.tokenize = tokenize;
|
| var syntax_1 = __webpack_require__(2);
|
| exports.Syntax = syntax_1.Syntax;
|
| // Sync with *.json manifests.
|
| exports.version = '4.0.0';
|
| |
| |
| /***/ }, |
| /* 1 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var syntax_1 = __webpack_require__(2);
|
| var CommentHandler = (function () {
|
| function CommentHandler() {
|
| this.attach = false;
|
| this.comments = [];
|
| this.stack = [];
|
| this.leading = [];
|
| this.trailing = [];
|
| }
|
| CommentHandler.prototype.insertInnerComments = function (node, metadata) {
|
| // innnerComments for properties empty block
|
| // `function a() {/** comments **\/}`
|
| if (node.type === syntax_1.Syntax.BlockStatement && node.body.length === 0) {
|
| var innerComments = [];
|
| for (var i = this.leading.length - 1; i >= 0; --i) {
|
| var entry = this.leading[i];
|
| if (metadata.end.offset >= entry.start) {
|
| innerComments.unshift(entry.comment);
|
| this.leading.splice(i, 1);
|
| this.trailing.splice(i, 1);
|
| }
|
| }
|
| if (innerComments.length) {
|
| node.innerComments = innerComments;
|
| }
|
| }
|
| };
|
| CommentHandler.prototype.findTrailingComments = function (metadata) {
|
| var trailingComments = [];
|
| if (this.trailing.length > 0) {
|
| for (var i = this.trailing.length - 1; i >= 0; --i) {
|
| var entry_1 = this.trailing[i];
|
| if (entry_1.start >= metadata.end.offset) {
|
| trailingComments.unshift(entry_1.comment);
|
| }
|
| }
|
| this.trailing.length = 0;
|
| return trailingComments;
|
| }
|
| var entry = this.stack[this.stack.length - 1];
|
| if (entry && entry.node.trailingComments) {
|
| var firstComment = entry.node.trailingComments[0];
|
| if (firstComment && firstComment.range[0] >= metadata.end.offset) {
|
| trailingComments = entry.node.trailingComments;
|
| delete entry.node.trailingComments;
|
| }
|
| }
|
| return trailingComments;
|
| };
|
| CommentHandler.prototype.findLeadingComments = function (metadata) {
|
| var leadingComments = [];
|
| var target;
|
| while (this.stack.length > 0) {
|
| var entry = this.stack[this.stack.length - 1];
|
| if (entry && entry.start >= metadata.start.offset) {
|
| target = entry.node;
|
| this.stack.pop();
|
| }
|
| else {
|
| break;
|
| }
|
| }
|
| if (target) {
|
| var count = target.leadingComments ? target.leadingComments.length : 0;
|
| for (var i = count - 1; i >= 0; --i) {
|
| var comment = target.leadingComments[i];
|
| if (comment.range[1] <= metadata.start.offset) {
|
| leadingComments.unshift(comment);
|
| target.leadingComments.splice(i, 1);
|
| }
|
| }
|
| if (target.leadingComments && target.leadingComments.length === 0) {
|
| delete target.leadingComments;
|
| }
|
| return leadingComments;
|
| }
|
| for (var i = this.leading.length - 1; i >= 0; --i) {
|
| var entry = this.leading[i];
|
| if (entry.start <= metadata.start.offset) {
|
| leadingComments.unshift(entry.comment);
|
| this.leading.splice(i, 1);
|
| }
|
| }
|
| return leadingComments;
|
| };
|
| CommentHandler.prototype.visitNode = function (node, metadata) {
|
| if (node.type === syntax_1.Syntax.Program && node.body.length > 0) {
|
| return;
|
| }
|
| this.insertInnerComments(node, metadata);
|
| var trailingComments = this.findTrailingComments(metadata);
|
| var leadingComments = this.findLeadingComments(metadata);
|
| if (leadingComments.length > 0) {
|
| node.leadingComments = leadingComments;
|
| }
|
| if (trailingComments.length > 0) {
|
| node.trailingComments = trailingComments;
|
| }
|
| this.stack.push({
|
| node: node,
|
| start: metadata.start.offset
|
| });
|
| };
|
| CommentHandler.prototype.visitComment = function (node, metadata) {
|
| var type = (node.type[0] === 'L') ? 'Line' : 'Block';
|
| var comment = {
|
| type: type,
|
| value: node.value
|
| };
|
| if (node.range) {
|
| comment.range = node.range;
|
| }
|
| if (node.loc) {
|
| comment.loc = node.loc;
|
| }
|
| this.comments.push(comment);
|
| if (this.attach) {
|
| var entry = {
|
| comment: {
|
| type: type,
|
| value: node.value,
|
| range: [metadata.start.offset, metadata.end.offset]
|
| },
|
| start: metadata.start.offset
|
| };
|
| if (node.loc) {
|
| entry.comment.loc = node.loc;
|
| }
|
| node.type = type;
|
| this.leading.push(entry);
|
| this.trailing.push(entry);
|
| }
|
| };
|
| CommentHandler.prototype.visit = function (node, metadata) {
|
| if (node.type === 'LineComment') {
|
| this.visitComment(node, metadata);
|
| }
|
| else if (node.type === 'BlockComment') {
|
| this.visitComment(node, metadata);
|
| }
|
| else if (this.attach) {
|
| this.visitNode(node, metadata);
|
| }
|
| };
|
| return CommentHandler;
|
| }());
|
| exports.CommentHandler = CommentHandler;
|
| |
| |
| /***/ }, |
| /* 2 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| exports.Syntax = {
|
| AssignmentExpression: 'AssignmentExpression',
|
| AssignmentPattern: 'AssignmentPattern',
|
| ArrayExpression: 'ArrayExpression',
|
| ArrayPattern: 'ArrayPattern',
|
| ArrowFunctionExpression: 'ArrowFunctionExpression',
|
| AwaitExpression: 'AwaitExpression',
|
| BlockStatement: 'BlockStatement',
|
| BinaryExpression: 'BinaryExpression',
|
| BreakStatement: 'BreakStatement',
|
| CallExpression: 'CallExpression',
|
| CatchClause: 'CatchClause',
|
| ClassBody: 'ClassBody',
|
| ClassDeclaration: 'ClassDeclaration',
|
| ClassExpression: 'ClassExpression',
|
| ConditionalExpression: 'ConditionalExpression',
|
| ContinueStatement: 'ContinueStatement',
|
| DoWhileStatement: 'DoWhileStatement',
|
| DebuggerStatement: 'DebuggerStatement',
|
| EmptyStatement: 'EmptyStatement',
|
| ExportAllDeclaration: 'ExportAllDeclaration',
|
| ExportDefaultDeclaration: 'ExportDefaultDeclaration',
|
| ExportNamedDeclaration: 'ExportNamedDeclaration',
|
| ExportSpecifier: 'ExportSpecifier',
|
| ExpressionStatement: 'ExpressionStatement',
|
| ForStatement: 'ForStatement',
|
| ForOfStatement: 'ForOfStatement',
|
| ForInStatement: 'ForInStatement',
|
| FunctionDeclaration: 'FunctionDeclaration',
|
| FunctionExpression: 'FunctionExpression',
|
| Identifier: 'Identifier',
|
| IfStatement: 'IfStatement',
|
| ImportDeclaration: 'ImportDeclaration',
|
| ImportDefaultSpecifier: 'ImportDefaultSpecifier',
|
| ImportNamespaceSpecifier: 'ImportNamespaceSpecifier',
|
| ImportSpecifier: 'ImportSpecifier',
|
| Literal: 'Literal',
|
| LabeledStatement: 'LabeledStatement',
|
| LogicalExpression: 'LogicalExpression',
|
| MemberExpression: 'MemberExpression',
|
| MetaProperty: 'MetaProperty',
|
| MethodDefinition: 'MethodDefinition',
|
| NewExpression: 'NewExpression',
|
| ObjectExpression: 'ObjectExpression',
|
| ObjectPattern: 'ObjectPattern',
|
| Program: 'Program',
|
| Property: 'Property',
|
| RestElement: 'RestElement',
|
| ReturnStatement: 'ReturnStatement',
|
| SequenceExpression: 'SequenceExpression',
|
| SpreadElement: 'SpreadElement',
|
| Super: 'Super',
|
| SwitchCase: 'SwitchCase',
|
| SwitchStatement: 'SwitchStatement',
|
| TaggedTemplateExpression: 'TaggedTemplateExpression',
|
| TemplateElement: 'TemplateElement',
|
| TemplateLiteral: 'TemplateLiteral',
|
| ThisExpression: 'ThisExpression',
|
| ThrowStatement: 'ThrowStatement',
|
| TryStatement: 'TryStatement',
|
| UnaryExpression: 'UnaryExpression',
|
| UpdateExpression: 'UpdateExpression',
|
| VariableDeclaration: 'VariableDeclaration',
|
| VariableDeclarator: 'VariableDeclarator',
|
| WhileStatement: 'WhileStatement',
|
| WithStatement: 'WithStatement',
|
| YieldExpression: 'YieldExpression'
|
| };
|
| |
| |
| /***/ }, |
| /* 3 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| /* istanbul ignore next */ |
| var __extends = (this && this.__extends) || (function () {
|
| var extendStatics = Object.setPrototypeOf ||
|
| ({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
|
| function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
|
| return function (d, b) {
|
| extendStatics(d, b);
|
| function __() { this.constructor = d; }
|
| d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
|
| };
|
| })();
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var character_1 = __webpack_require__(4);
|
| var JSXNode = __webpack_require__(5);
|
| var jsx_syntax_1 = __webpack_require__(6);
|
| var Node = __webpack_require__(7);
|
| var parser_1 = __webpack_require__(8);
|
| var token_1 = __webpack_require__(13);
|
| var xhtml_entities_1 = __webpack_require__(14);
|
| token_1.TokenName[100 /* Identifier */] = 'JSXIdentifier';
|
| token_1.TokenName[101 /* 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;
|
| /* istanbul ignore next */
|
| default:
|
| break;
|
| }
|
| return qualifiedName;
|
| }
|
| var JSXParser = (function (_super) {
|
| __extends(JSXParser, _super);
|
| function JSXParser(code, options, delegate) {
|
| return _super.call(this, code, options, delegate) || this;
|
| }
|
| 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.line;
|
| this.scanner.lineStart = this.startMarker.index - this.startMarker.column;
|
| };
|
| 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: 7 /* 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: 8 /* 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: 7 /* 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: 10 /* Template */,
|
| value: '',
|
| 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: 100 /* Identifier */,
|
| value: id,
|
| lineNumber: this.scanner.lineNumber,
|
| lineStart: this.scanner.lineStart,
|
| start: start,
|
| end: this.scanner.index
|
| };
|
| }
|
| return this.scanner.lex();
|
| };
|
| JSXParser.prototype.nextJSXToken = function () {
|
| this.collectComments();
|
| this.startMarker.index = this.scanner.index;
|
| this.startMarker.line = this.scanner.lineNumber;
|
| this.startMarker.column = this.scanner.index - this.scanner.lineStart;
|
| var token = this.lexJSX();
|
| this.lastMarker.index = this.scanner.index;
|
| this.lastMarker.line = this.scanner.lineNumber;
|
| this.lastMarker.column = this.scanner.index - 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.line = this.scanner.lineNumber;
|
| this.startMarker.column = this.scanner.index - 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.line = this.scanner.lineNumber;
|
| this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
|
| var token = {
|
| type: 101 /* 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 state = this.scanner.saveState();
|
| this.scanner.scanComments();
|
| var next = this.lexJSX();
|
| this.scanner.restoreState(state);
|
| 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 !== 7 /* 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 === 7 /* Punctuator */ && next.value === value;
|
| };
|
| JSXParser.prototype.parseJSXIdentifier = function () {
|
| var node = this.createJSXNode();
|
| var token = this.nextJSXToken();
|
| if (token.type !== 100 /* 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 !== 8 /* 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.line = this.scanner.lineNumber;
|
| this.lastMarker.column = this.scanner.index - 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[stack.length - 1];
|
| el.children.push(child);
|
| stack.pop();
|
| }
|
| 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;
|
| };
|
| JSXParser.prototype.isStartOfExpression = function () {
|
| return _super.prototype.isStartOfExpression.call(this) || this.match('<');
|
| };
|
| return JSXParser;
|
| }(parser_1.Parser));
|
| exports.JSXParser = JSXParser;
|
| |
| |
| /***/ }, |
| /* 4 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| // See also tools/generate-unicode-regex.js.
|
| var Regex = {
|
| // Unicode v8.0.0 NonAsciiIdentifierStart:
|
| NonAsciiIdentifierStart: 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|
| 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 = {
|
| /* tslint:disable:no-bitwise */
|
| fromCodePoint: function (cp) {
|
| return (cp < 0x10000) ? String.fromCharCode(cp) :
|
| String.fromCharCode(0xD800 + ((cp - 0x10000) >> 10)) +
|
| String.fromCharCode(0xDC00 + ((cp - 0x10000) & 1023));
|
| },
|
| // https://tc39.github.io/ecma262/#sec-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);
|
| },
|
| // https://tc39.github.io/ecma262/#sec-line-terminators
|
| isLineTerminator: function (cp) {
|
| return (cp === 0x0A) || (cp === 0x0D) || (cp === 0x2028) || (cp === 0x2029);
|
| },
|
| // https://tc39.github.io/ecma262/#sec-names-and-keywords
|
| 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)));
|
| },
|
| // https://tc39.github.io/ecma262/#sec-literals-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
|
| }
|
| };
|
| |
| |
| /***/ }, |
| /* 5 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var jsx_syntax_1 = __webpack_require__(6);
|
| /* tslint:disable:max-classes-per-file */
|
| 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;
|
| |
| |
| /***/ }, |
| /* 6 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| exports.JSXSyntax = {
|
| JSXAttribute: 'JSXAttribute',
|
| JSXClosingElement: 'JSXClosingElement',
|
| JSXElement: 'JSXElement',
|
| JSXEmptyExpression: 'JSXEmptyExpression',
|
| JSXExpressionContainer: 'JSXExpressionContainer',
|
| JSXIdentifier: 'JSXIdentifier',
|
| JSXMemberExpression: 'JSXMemberExpression',
|
| JSXNamespacedName: 'JSXNamespacedName',
|
| JSXOpeningElement: 'JSXOpeningElement',
|
| JSXSpreadAttribute: 'JSXSpreadAttribute',
|
| JSXText: 'JSXText'
|
| };
|
| |
| |
| /***/ }, |
| /* 7 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var syntax_1 = __webpack_require__(2);
|
| /* tslint:disable:max-classes-per-file */
|
| 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;
|
| this.async = false;
|
| }
|
| 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 AsyncArrowFunctionExpression = (function () {
|
| function AsyncArrowFunctionExpression(params, body, expression) {
|
| this.type = syntax_1.Syntax.ArrowFunctionExpression;
|
| this.id = null;
|
| this.params = params;
|
| this.body = body;
|
| this.generator = false;
|
| this.expression = expression;
|
| this.async = true;
|
| }
|
| return AsyncArrowFunctionExpression;
|
| }());
|
| exports.AsyncArrowFunctionExpression = AsyncArrowFunctionExpression;
|
| var AsyncFunctionDeclaration = (function () {
|
| function AsyncFunctionDeclaration(id, params, body) {
|
| this.type = syntax_1.Syntax.FunctionDeclaration;
|
| this.id = id;
|
| this.params = params;
|
| this.body = body;
|
| this.generator = false;
|
| this.expression = false;
|
| this.async = true;
|
| }
|
| return AsyncFunctionDeclaration;
|
| }());
|
| exports.AsyncFunctionDeclaration = AsyncFunctionDeclaration;
|
| var AsyncFunctionExpression = (function () {
|
| function AsyncFunctionExpression(id, params, body) {
|
| this.type = syntax_1.Syntax.FunctionExpression;
|
| this.id = id;
|
| this.params = params;
|
| this.body = body;
|
| this.generator = false;
|
| this.expression = false;
|
| this.async = true;
|
| }
|
| return AsyncFunctionExpression;
|
| }());
|
| exports.AsyncFunctionExpression = AsyncFunctionExpression;
|
| var AwaitExpression = (function () {
|
| function AwaitExpression(argument) {
|
| this.type = syntax_1.Syntax.AwaitExpression;
|
| this.argument = argument;
|
| }
|
| return AwaitExpression;
|
| }());
|
| exports.AwaitExpression = AwaitExpression;
|
| 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;
|
| this.async = 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;
|
| this.async = 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 Module = (function () {
|
| function Module(body) {
|
| this.type = syntax_1.Syntax.Program;
|
| this.body = body;
|
| this.sourceType = 'module';
|
| }
|
| return Module;
|
| }());
|
| exports.Module = Module;
|
| 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 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, pattern, flags) {
|
| this.type = syntax_1.Syntax.Literal;
|
| this.value = value;
|
| this.raw = raw;
|
| this.regex = { pattern: pattern, flags: flags };
|
| }
|
| 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 Script = (function () {
|
| function Script(body) {
|
| this.type = syntax_1.Syntax.Program;
|
| this.body = body;
|
| this.sourceType = 'script';
|
| }
|
| return Script;
|
| }());
|
| exports.Script = Script;
|
| 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;
|
| |
| |
| /***/ }, |
| /* 8 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var assert_1 = __webpack_require__(9);
|
| var error_handler_1 = __webpack_require__(10);
|
| var messages_1 = __webpack_require__(11);
|
| var Node = __webpack_require__(7);
|
| var scanner_1 = __webpack_require__(12);
|
| var syntax_1 = __webpack_require__(2);
|
| var token_1 = __webpack_require__(13);
|
| 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.lookahead = {
|
| type: 2 /* EOF */,
|
| value: '',
|
| lineNumber: this.scanner.lineNumber,
|
| lineStart: 0,
|
| start: 0,
|
| end: 0
|
| };
|
| this.hasLineTerminator = false;
|
| this.context = {
|
| isModule: false,
|
| await: false,
|
| allowIn: true,
|
| allowStrictDirective: true,
|
| allowYield: true,
|
| firstCoverInitializedNameError: null,
|
| isAssignmentTarget: false,
|
| isBindingElement: false,
|
| inFunctionBody: false,
|
| inIteration: false,
|
| inSwitch: false,
|
| labelSet: {},
|
| strict: false
|
| };
|
| this.tokens = [];
|
| this.startMarker = {
|
| index: 0,
|
| line: this.scanner.lineNumber,
|
| column: 0
|
| };
|
| this.lastMarker = {
|
| index: 0,
|
| line: this.scanner.lineNumber,
|
| column: 0
|
| };
|
| this.nextToken();
|
| this.lastMarker = {
|
| index: this.scanner.index,
|
| line: this.scanner.lineNumber,
|
| column: this.scanner.index - 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.line;
|
| var column = this.lastMarker.column + 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.column + 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 === 2 /* EOF */) ? messages_1.Messages.UnexpectedEOS :
|
| (token.type === 3 /* Identifier */) ? messages_1.Messages.UnexpectedIdentifier :
|
| (token.type === 6 /* NumericLiteral */) ? messages_1.Messages.UnexpectedNumber :
|
| (token.type === 8 /* StringLiteral */) ? messages_1.Messages.UnexpectedString :
|
| (token.type === 10 /* Template */) ? messages_1.Messages.UnexpectedTemplate :
|
| messages_1.Messages.UnexpectedToken;
|
| if (token.type === 4 /* 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.value;
|
| }
|
| else {
|
| value = 'ILLEGAL';
|
| }
|
| msg = msg.replace('%0', value);
|
| if (token && typeof token.lineNumber === 'number') {
|
| var index = token.start;
|
| var line = token.lineNumber;
|
| var lastMarkerLineStart = this.lastMarker.index - this.lastMarker.column;
|
| var column = token.start - lastMarkerLineStart + 1;
|
| return this.errorHandler.createError(index, line, column, msg);
|
| }
|
| else {
|
| var index = this.lastMarker.index;
|
| var line = this.lastMarker.line;
|
| var column = this.lastMarker.column + 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 = {
|
| 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.line,
|
| column: this.startMarker.column
|
| },
|
| end: {
|
| line: this.scanner.lineNumber,
|
| column: this.scanner.index - this.scanner.lineStart
|
| }
|
| };
|
| }
|
| if (token.type === 9 /* RegularExpression */) {
|
| var pattern = token.pattern;
|
| var flags = token.flags;
|
| t.regex = { pattern: pattern, flags: flags };
|
| }
|
| return t;
|
| };
|
| Parser.prototype.nextToken = function () {
|
| var token = this.lookahead;
|
| this.lastMarker.index = this.scanner.index;
|
| this.lastMarker.line = this.scanner.lineNumber;
|
| this.lastMarker.column = this.scanner.index - this.scanner.lineStart;
|
| this.collectComments();
|
| if (this.scanner.index !== this.startMarker.index) {
|
| this.startMarker.index = this.scanner.index;
|
| this.startMarker.line = this.scanner.lineNumber;
|
| this.startMarker.column = this.scanner.index - this.scanner.lineStart;
|
| }
|
| var next = this.scanner.lex();
|
| this.hasLineTerminator = (token.lineNumber !== next.lineNumber);
|
| if (next && this.context.strict && next.type === 3 /* Identifier */) {
|
| if (this.scanner.isStrictModeReservedWord(next.value)) {
|
| next.type = 4 /* Keyword */;
|
| }
|
| }
|
| this.lookahead = next;
|
| if (this.config.tokens && next.type !== 2 /* 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.line,
|
| column: this.startMarker.column
|
| };
|
| };
|
| Parser.prototype.startNode = function (token) {
|
| return {
|
| index: token.start,
|
| line: token.lineNumber,
|
| column: token.start - token.lineStart
|
| };
|
| };
|
| Parser.prototype.finalize = function (marker, node) {
|
| if (this.config.range) {
|
| node.range = [marker.index, this.lastMarker.index];
|
| }
|
| if (this.config.loc) {
|
| node.loc = {
|
| start: {
|
| line: marker.line,
|
| column: marker.column,
|
| },
|
| end: {
|
| line: this.lastMarker.line,
|
| column: this.lastMarker.column
|
| }
|
| };
|
| if (this.config.source) {
|
| node.loc.source = this.config.source;
|
| }
|
| }
|
| if (this.delegate) {
|
| var metadata = {
|
| start: {
|
| line: marker.line,
|
| column: marker.column,
|
| offset: marker.index
|
| },
|
| end: {
|
| line: this.lastMarker.line,
|
| column: this.lastMarker.column,
|
| 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 !== 7 /* 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 === 7 /* Punctuator */ && token.value === ',') {
|
| this.nextToken();
|
| }
|
| else if (token.type === 7 /* 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 !== 4 /* 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 === 7 /* Punctuator */ && this.lookahead.value === value;
|
| };
|
| // Return true if the next token matches the specified keyword
|
| Parser.prototype.matchKeyword = function (keyword) {
|
| return this.lookahead.type === 4 /* 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 === 3 /* Identifier */ && this.lookahead.value === keyword;
|
| };
|
| // Return true if the next token is an assignment operator
|
| Parser.prototype.matchAssign = function () {
|
| if (this.lookahead.type !== 7 /* 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 !== 2 /* EOF */ && !this.match('}')) {
|
| this.throwUnexpectedToken(this.lookahead);
|
| }
|
| this.lastMarker.index = this.startMarker.index;
|
| this.lastMarker.line = this.startMarker.line;
|
| this.lastMarker.column = this.startMarker.column;
|
| }
|
| };
|
| // https://tc39.github.io/ecma262/#sec-primary-expression
|
| Parser.prototype.parsePrimaryExpression = function () {
|
| var node = this.createNode();
|
| var expr;
|
| var token, raw;
|
| switch (this.lookahead.type) {
|
| case 3 /* Identifier */:
|
| if ((this.context.isModule || this.context.await) && this.lookahead.value === 'await') {
|
| this.tolerateUnexpectedToken(this.lookahead);
|
| }
|
| expr = this.matchAsyncFunction() ? this.parseFunctionExpression() : this.finalize(node, new Node.Identifier(this.nextToken().value));
|
| break;
|
| case 6 /* NumericLiteral */:
|
| case 8 /* 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 1 /* BooleanLiteral */:
|
| this.context.isAssignmentTarget = false;
|
| this.context.isBindingElement = false;
|
| token = this.nextToken();
|
| raw = this.getTokenRaw(token);
|
| expr = this.finalize(node, new Node.Literal(token.value === 'true', raw));
|
| break;
|
| case 5 /* NullLiteral */:
|
| this.context.isAssignmentTarget = false;
|
| this.context.isBindingElement = false;
|
| token = this.nextToken();
|
| raw = this.getTokenRaw(token);
|
| expr = this.finalize(node, new Node.Literal(null, raw));
|
| break;
|
| case 10 /* Template */:
|
| expr = this.parseTemplateLiteral();
|
| break;
|
| case 7 /* Punctuator */:
|
| switch (this.lookahead.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.regex, raw, token.pattern, token.flags));
|
| break;
|
| default:
|
| expr = this.throwUnexpectedToken(this.nextToken());
|
| }
|
| break;
|
| case 4 /* 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 {
|
| expr = this.throwUnexpectedToken(this.nextToken());
|
| }
|
| }
|
| break;
|
| default:
|
| expr = this.throwUnexpectedToken(this.nextToken());
|
| }
|
| return expr;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-object-initializer
|
| Parser.prototype.parsePropertyMethod = function (params) {
|
| this.context.isAssignmentTarget = false;
|
| this.context.isBindingElement = false;
|
| var previousStrict = this.context.strict;
|
| var previousAllowStrictDirective = this.context.allowStrictDirective;
|
| this.context.allowStrictDirective = params.simple;
|
| 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;
|
| this.context.allowStrictDirective = previousAllowStrictDirective;
|
| 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.parsePropertyMethodAsyncFunction = function () {
|
| var node = this.createNode();
|
| var previousAllowYield = this.context.allowYield;
|
| var previousAwait = this.context.await;
|
| this.context.allowYield = false;
|
| this.context.await = true;
|
| var params = this.parseFormalParameters();
|
| var method = this.parsePropertyMethod(params);
|
| this.context.allowYield = previousAllowYield;
|
| this.context.await = previousAwait;
|
| return this.finalize(node, new Node.AsyncFunctionExpression(null, params.params, method));
|
| };
|
| Parser.prototype.parseObjectPropertyKey = function () {
|
| var node = this.createNode();
|
| var token = this.nextToken();
|
| var key;
|
| switch (token.type) {
|
| case 8 /* StringLiteral */:
|
| case 6 /* 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 3 /* Identifier */:
|
| case 1 /* BooleanLiteral */:
|
| case 5 /* NullLiteral */:
|
| case 4 /* Keyword */:
|
| key = this.finalize(node, new Node.Identifier(token.value));
|
| break;
|
| case 7 /* Punctuator */:
|
| if (token.value === '[') {
|
| key = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
| this.expect(']');
|
| }
|
| else {
|
| key = this.throwUnexpectedToken(token);
|
| }
|
| break;
|
| default:
|
| key = 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 = null;
|
| var value = null;
|
| var computed = false;
|
| var method = false;
|
| var shorthand = false;
|
| var isAsync = false;
|
| if (token.type === 3 /* Identifier */) {
|
| var id = token.value;
|
| this.nextToken();
|
| computed = this.match('[');
|
| isAsync = !this.hasLineTerminator && (id === 'async') &&
|
| !this.match(':') && !this.match('(') && !this.match('*');
|
| key = isAsync ? this.parseObjectPropertyKey() : this.finalize(node, new Node.Identifier(id));
|
| }
|
| else if (this.match('*')) {
|
| this.nextToken();
|
| }
|
| else {
|
| computed = this.match('[');
|
| key = this.parseObjectPropertyKey();
|
| }
|
| var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
|
| if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'get' && lookaheadPropertyKey) {
|
| kind = 'get';
|
| computed = this.match('[');
|
| key = this.parseObjectPropertyKey();
|
| this.context.allowYield = false;
|
| value = this.parseGetterMethod();
|
| }
|
| else if (token.type === 3 /* Identifier */ && !isAsync && token.value === 'set' && lookaheadPropertyKey) {
|
| kind = 'set';
|
| computed = this.match('[');
|
| key = this.parseObjectPropertyKey();
|
| value = this.parseSetterMethod();
|
| }
|
| else if (token.type === 7 /* 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(':') && !isAsync) {
|
| 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 = isAsync ? this.parsePropertyMethodAsyncFunction() : this.parsePropertyMethodFunction();
|
| method = true;
|
| }
|
| else if (token.type === 3 /* 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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 raw = token.value;
|
| var cooked = token.cooked;
|
| return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, token.tail));
|
| };
|
| Parser.prototype.parseTemplateElement = function () {
|
| if (this.lookahead.type !== 10 /* Template */) {
|
| this.throwUnexpectedToken();
|
| }
|
| var node = this.createNode();
|
| var token = this.nextToken();
|
| var raw = token.value;
|
| var cooked = token.cooked;
|
| return this.finalize(node, new Node.TemplateElement({ raw: raw, cooked: cooked }, 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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: [],
|
| async: false
|
| };
|
| }
|
| 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],
|
| async: false
|
| };
|
| }
|
| 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.lookahead.type !== 2 /* EOF */) {
|
| if (!this.match(',')) {
|
| break;
|
| }
|
| this.nextToken();
|
| if (this.match(')')) {
|
| this.nextToken();
|
| for (var i = 0; i < expressions.length; i++) {
|
| this.reinterpretExpressionAsPattern(expressions[i]);
|
| }
|
| arrow = true;
|
| expr = {
|
| type: ArrowParameterPlaceHolder,
|
| params: expressions,
|
| async: false
|
| };
|
| }
|
| else 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,
|
| async: false
|
| };
|
| }
|
| 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],
|
| async: false
|
| };
|
| }
|
| 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 parameters = (expr.type === syntax_1.Syntax.SequenceExpression ? expr.expressions : [expr]);
|
| expr = {
|
| type: ArrowParameterPlaceHolder,
|
| params: parameters,
|
| async: false
|
| };
|
| }
|
| }
|
| this.context.isBindingElement = false;
|
| }
|
| }
|
| }
|
| return expr;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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();
|
| if (this.match(')')) {
|
| break;
|
| }
|
| }
|
| }
|
| this.expect(')');
|
| return args;
|
| };
|
| Parser.prototype.isIdentifierName = function (token) {
|
| return token.type === 3 /* Identifier */ ||
|
| token.type === 4 /* Keyword */ ||
|
| token.type === 1 /* BooleanLiteral */ ||
|
| token.type === 5 /* 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 === 3 /* 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.parseAsyncArgument = function () {
|
| var arg = this.parseAssignmentExpression();
|
| this.context.firstCoverInitializedNameError = null;
|
| return arg;
|
| };
|
| Parser.prototype.parseAsyncArguments = function () {
|
| this.expect('(');
|
| var args = [];
|
| if (!this.match(')')) {
|
| while (true) {
|
| var expr = this.match('...') ? this.parseSpreadElement() :
|
| this.isolateCoverGrammar(this.parseAsyncArgument);
|
| args.push(expr);
|
| if (this.match(')')) {
|
| break;
|
| }
|
| this.expectCommaSeparator();
|
| if (this.match(')')) {
|
| break;
|
| }
|
| }
|
| }
|
| this.expect(')');
|
| return args;
|
| };
|
| Parser.prototype.parseLeftHandSideExpressionAllowCall = function () {
|
| var startToken = this.lookahead;
|
| var maybeAsync = this.matchContextualKeyword('async');
|
| 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('(')) {
|
| var asyncArrow = maybeAsync && (startToken.lineNumber === this.lookahead.lineNumber);
|
| this.context.isBindingElement = false;
|
| this.context.isAssignmentTarget = false;
|
| var args = asyncArrow ? this.parseAsyncArguments() : this.parseArguments();
|
| expr = this.finalize(this.startNode(startToken), new Node.CallExpression(expr, args));
|
| if (asyncArrow && this.match('=>')) {
|
| for (var i = 0; i < args.length; ++i) {
|
| this.reinterpretExpressionAsPattern(args[i]);
|
| }
|
| expr = {
|
| type: ArrowParameterPlaceHolder,
|
| params: args,
|
| async: true
|
| };
|
| }
|
| }
|
| 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 === 10 /* 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 === 10 /* Template */ && this.lookahead.head) {
|
| var quasi = this.parseTemplateLiteral();
|
| expr = this.finalize(node, new Node.TaggedTemplateExpression(expr, quasi));
|
| }
|
| else {
|
| break;
|
| }
|
| }
|
| return expr;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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 === 7 /* 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;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-unary-operators
|
| Parser.prototype.parseAwaitExpression = function () {
|
| var node = this.createNode();
|
| this.nextToken();
|
| var argument = this.parseUnaryExpression();
|
| return this.finalize(node, new Node.AwaitExpression(argument));
|
| };
|
| 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 if (this.context.await && this.matchContextualKeyword('await')) {
|
| expr = this.parseAwaitExpression();
|
| }
|
| 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;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-exp-operator
|
| // https://tc39.github.io/ecma262/#sec-multiplicative-operators
|
| // https://tc39.github.io/ecma262/#sec-additive-operators
|
| // https://tc39.github.io/ecma262/#sec-bitwise-shift-operators
|
| // https://tc39.github.io/ecma262/#sec-relational-operators
|
| // https://tc39.github.io/ecma262/#sec-equality-operators
|
| // https://tc39.github.io/ecma262/#sec-binary-bitwise-operators
|
| // https://tc39.github.io/ecma262/#sec-binary-logical-operators
|
| Parser.prototype.binaryPrecedence = function (token) {
|
| var op = token.value;
|
| var precedence;
|
| if (token.type === 7 /* Punctuator */) {
|
| precedence = this.operatorPrecedence[op] || 0;
|
| }
|
| else if (token.type === 4 /* 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();
|
| 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.value, right];
|
| var precedences = [prec];
|
| 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 <= precedences[precedences.length - 1])) {
|
| right = stack.pop();
|
| var operator = stack.pop();
|
| precedences.pop();
|
| 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.
|
| stack.push(this.nextToken().value);
|
| precedences.push(prec);
|
| 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());
|
| var operator = stack[i - 1];
|
| expr = this.finalize(node, new Node.BinaryExpression(operator, stack[i - 2], expr));
|
| i -= 2;
|
| }
|
| }
|
| return expr;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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.ObjectPattern:
|
| for (var i = 0; i < param.properties.length; i++) {
|
| this.checkPatternParam(options, param.properties[i].value);
|
| }
|
| break;
|
| default:
|
| break;
|
| }
|
| options.simple = options.simple && (param instanceof Node.Identifier);
|
| };
|
| Parser.prototype.reinterpretAsCoverFormalsList = function (expr) {
|
| var params = [expr];
|
| var options;
|
| var asyncArrow = false;
|
| switch (expr.type) {
|
| case syntax_1.Syntax.Identifier:
|
| break;
|
| case ArrowParameterPlaceHolder:
|
| params = expr.params;
|
| asyncArrow = expr.async;
|
| break;
|
| default:
|
| return null;
|
| }
|
| options = {
|
| simple: true,
|
| 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;
|
| }
|
| }
|
| else if (asyncArrow && param.type === syntax_1.Syntax.Identifier && param.name === 'await') {
|
| this.throwUnexpectedToken(this.lookahead);
|
| }
|
| 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 {
|
| simple: options.simple,
|
| 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 (token.type === 3 /* Identifier */ && (token.lineNumber === this.lookahead.lineNumber) && token.value === 'async') {
|
| if (this.lookahead.type === 3 /* Identifier */ || this.matchKeyword('yield')) {
|
| var arg = this.parsePrimaryExpression();
|
| this.reinterpretExpressionAsPattern(arg);
|
| expr = {
|
| type: ArrowParameterPlaceHolder,
|
| params: [arg],
|
| async: true
|
| };
|
| }
|
| }
|
| if (expr.type === ArrowParameterPlaceHolder || this.match('=>')) {
|
| // https://tc39.github.io/ecma262/#sec-arrow-function-definitions
|
| this.context.isAssignmentTarget = false;
|
| this.context.isBindingElement = false;
|
| var isAsync = expr.async;
|
| var list = this.reinterpretAsCoverFormalsList(expr);
|
| if (list) {
|
| if (this.hasLineTerminator) {
|
| this.tolerateUnexpectedToken(this.lookahead);
|
| }
|
| this.context.firstCoverInitializedNameError = null;
|
| var previousStrict = this.context.strict;
|
| var previousAllowStrictDirective = this.context.allowStrictDirective;
|
| this.context.allowStrictDirective = list.simple;
|
| var previousAllowYield = this.context.allowYield;
|
| var previousAwait = this.context.await;
|
| this.context.allowYield = true;
|
| this.context.await = isAsync;
|
| var node = this.startNode(startToken);
|
| this.expect('=>');
|
| var body = void 0;
|
| if (this.match('{')) {
|
| var previousAllowIn = this.context.allowIn;
|
| this.context.allowIn = true;
|
| body = this.parseFunctionSourceElements();
|
| this.context.allowIn = previousAllowIn;
|
| }
|
| else {
|
| body = 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 = isAsync ? this.finalize(node, new Node.AsyncArrowFunctionExpression(list.params, body, expression)) :
|
| this.finalize(node, new Node.ArrowFunctionExpression(list.params, body, expression));
|
| this.context.strict = previousStrict;
|
| this.context.allowStrictDirective = previousAllowStrictDirective;
|
| this.context.allowYield = previousAllowYield;
|
| this.context.await = previousAwait;
|
| }
|
| }
|
| 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 operator = token.value;
|
| var right = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
| expr = this.finalize(this.startNode(startToken), new Node.AssignmentExpression(operator, expr, right));
|
| this.context.firstCoverInitializedNameError = null;
|
| }
|
| }
|
| }
|
| return expr;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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.lookahead.type !== 2 /* EOF */) {
|
| if (!this.match(',')) {
|
| break;
|
| }
|
| this.nextToken();
|
| expressions.push(this.isolateCoverGrammar(this.parseAssignmentExpression));
|
| }
|
| expr = this.finalize(this.startNode(startToken), new Node.SequenceExpression(expressions));
|
| }
|
| return expr;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-block
|
| Parser.prototype.parseStatementListItem = function () {
|
| var statement;
|
| this.context.isAssignmentTarget = true;
|
| this.context.isBindingElement = true;
|
| if (this.lookahead.type === 4 /* Keyword */) {
|
| switch (this.lookahead.value) {
|
| case 'export':
|
| if (!this.context.isModule) {
|
| this.tolerateUnexpectedToken(this.lookahead, messages_1.Messages.IllegalExportDeclaration);
|
| }
|
| statement = this.parseExportDeclaration();
|
| break;
|
| case 'import':
|
| if (!this.context.isModule) {
|
| 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-let-and-const-declarations
|
| Parser.prototype.parseLexicalBinding = function (kind, options) {
|
| var node = this.createNode();
|
| var params = [];
|
| var id = this.parsePattern(params, kind);
|
| 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')) {
|
| if (this.match('=')) {
|
| this.nextToken();
|
| init = this.isolateCoverGrammar(this.parseAssignmentExpression);
|
| }
|
| else {
|
| this.throwError(messages_1.Messages.DeclarationMissingInitializer, 'const');
|
| }
|
| }
|
| }
|
| 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 state = this.scanner.saveState();
|
| this.scanner.scanComments();
|
| var next = this.scanner.lex();
|
| this.scanner.restoreState(state);
|
| return (next.type === 3 /* Identifier */) ||
|
| (next.type === 7 /* Punctuator */ && next.value === '[') ||
|
| (next.type === 7 /* Punctuator */ && next.value === '{') ||
|
| (next.type === 4 /* Keyword */ && next.value === 'let') ||
|
| (next.type === 4 /* 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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 === 3 /* 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.LetInLexicalBinding);
|
| }
|
| 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;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-variable-statement
|
| Parser.prototype.parseVariableIdentifier = function (kind) {
|
| var node = this.createNode();
|
| var token = this.nextToken();
|
| if (token.type === 4 /* Keyword */ && token.value === 'yield') {
|
| if (this.context.strict) {
|
| this.tolerateUnexpectedToken(token, messages_1.Messages.StrictReservedWord);
|
| }
|
| else if (!this.context.allowYield) {
|
| this.throwUnexpectedToken(token);
|
| }
|
| }
|
| else if (token.type !== 3 /* Identifier */) {
|
| if (this.context.strict && token.type === 4 /* 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.context.isModule || this.context.await) && token.type === 3 /* 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');
|
| 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'));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-empty-statement
|
| Parser.prototype.parseEmptyStatement = function () {
|
| var node = this.createNode();
|
| this.expect(';');
|
| return this.finalize(node, new Node.EmptyStatement());
|
| };
|
| // https://tc39.github.io/ecma262/#sec-expression-statement
|
| Parser.prototype.parseExpressionStatement = function () {
|
| var node = this.createNode();
|
| var expr = this.parseExpression();
|
| this.consumeSemicolon();
|
| return this.finalize(node, new Node.ExpressionStatement(expr));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-if-statement
|
| Parser.prototype.parseIfClause = function () {
|
| if (this.context.strict && this.matchKeyword('function')) {
|
| this.tolerateError(messages_1.Messages.StrictFunction);
|
| }
|
| return this.parseStatement();
|
| };
|
| 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.parseIfClause();
|
| if (this.matchKeyword('else')) {
|
| this.nextToken();
|
| alternate = this.parseIfClause();
|
| }
|
| }
|
| return this.finalize(node, new Node.IfStatement(test, consequent, alternate));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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();
|
| if (!this.match(')') && this.config.tolerant) {
|
| this.tolerateUnexpectedToken(this.nextToken());
|
| }
|
| else {
|
| this.expect(')');
|
| if (this.match(';')) {
|
| this.nextToken();
|
| }
|
| }
|
| return this.finalize(node, new Node.DoWhileStatement(body, test));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-for-statement
|
| // https://tc39.github.io/ecma262/#sec-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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-continue-statement
|
| Parser.prototype.parseContinueStatement = function () {
|
| var node = this.createNode();
|
| this.expectKeyword('continue');
|
| var label = null;
|
| if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) {
|
| var id = this.parseVariableIdentifier();
|
| label = id;
|
| var key = '$' + id.name;
|
| if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
|
| this.throwError(messages_1.Messages.UnknownLabel, id.name);
|
| }
|
| }
|
| this.consumeSemicolon();
|
| if (label === null && !this.context.inIteration) {
|
| this.throwError(messages_1.Messages.IllegalContinue);
|
| }
|
| return this.finalize(node, new Node.ContinueStatement(label));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-break-statement
|
| Parser.prototype.parseBreakStatement = function () {
|
| var node = this.createNode();
|
| this.expectKeyword('break');
|
| var label = null;
|
| if (this.lookahead.type === 3 /* Identifier */ && !this.hasLineTerminator) {
|
| var id = this.parseVariableIdentifier();
|
| var key = '$' + id.name;
|
| if (!Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
|
| this.throwError(messages_1.Messages.UnknownLabel, id.name);
|
| }
|
| label = id;
|
| }
|
| 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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 !== 2 /* EOF */;
|
| var argument = hasArgument ? this.parseExpression() : null;
|
| this.consumeSemicolon();
|
| return this.finalize(node, new Node.ReturnStatement(argument));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-with-statement
|
| Parser.prototype.parseWithStatement = function () {
|
| if (this.context.strict) {
|
| this.tolerateError(messages_1.Messages.StrictModeWith);
|
| }
|
| var node = this.createNode();
|
| var body;
|
| this.expectKeyword('with');
|
| this.expect('(');
|
| var object = this.parseExpression();
|
| if (!this.match(')') && this.config.tolerant) {
|
| this.tolerateUnexpectedToken(this.nextToken());
|
| body = this.finalize(this.createNode(), new Node.EmptyStatement());
|
| }
|
| else {
|
| this.expect(')');
|
| body = this.parseStatement();
|
| }
|
| return this.finalize(node, new Node.WithStatement(object, body));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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 = '$' + id.name;
|
| if (Object.prototype.hasOwnProperty.call(this.context.labelSet, key)) {
|
| this.throwError(messages_1.Messages.Redeclaration, 'Label', id.name);
|
| }
|
| this.context.labelSet[key] = true;
|
| var body = void 0;
|
| if (this.matchKeyword('class')) {
|
| this.tolerateUnexpectedToken(this.lookahead);
|
| body = this.parseClassDeclaration();
|
| }
|
| else if (this.matchKeyword('function')) {
|
| var token = this.lookahead;
|
| var declaration = this.parseFunctionDeclaration();
|
| if (this.context.strict) {
|
| this.tolerateUnexpectedToken(token, messages_1.Messages.StrictFunction);
|
| }
|
| else if (declaration.generator) {
|
| this.tolerateUnexpectedToken(token, messages_1.Messages.GeneratorInLegacyContext);
|
| }
|
| body = declaration;
|
| }
|
| else {
|
| body = this.parseStatement();
|
| }
|
| delete this.context.labelSet[key];
|
| statement = new Node.LabeledStatement(id, body);
|
| }
|
| else {
|
| this.consumeSemicolon();
|
| statement = new Node.ExpressionStatement(expr);
|
| }
|
| return this.finalize(node, statement);
|
| };
|
| // https://tc39.github.io/ecma262/#sec-throw-statement
|
| Parser.prototype.parseThrowStatement = function () {
|
| var node = this.createNode();
|
| this.expectKeyword('throw');
|
| if (this.hasLineTerminator) {
|
| this.throwError(messages_1.Messages.NewlineAfterThrow);
|
| }
|
| var argument = this.parseExpression();
|
| this.consumeSemicolon();
|
| return this.finalize(node, new Node.ThrowStatement(argument));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-try-statement
|
| Parser.prototype.parseCatchClause = function () {
|
| var node = this.createNode();
|
| this.expectKeyword('catch');
|
| this.expect('(');
|
| if (this.match(')')) {
|
| this.throwUnexpectedToken(this.lookahead);
|
| }
|
| var params = [];
|
| var param = this.parsePattern(params);
|
| var paramMap = {};
|
| for (var i = 0; i < params.length; i++) {
|
| var key = '$' + 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-debugger-statement
|
| Parser.prototype.parseDebuggerStatement = function () {
|
| var node = this.createNode();
|
| this.expectKeyword('debugger');
|
| this.consumeSemicolon();
|
| return this.finalize(node, new Node.DebuggerStatement());
|
| };
|
| // https://tc39.github.io/ecma262/#sec-ecmascript-language-statements-and-declarations
|
| Parser.prototype.parseStatement = function () {
|
| var statement;
|
| switch (this.lookahead.type) {
|
| case 1 /* BooleanLiteral */:
|
| case 5 /* NullLiteral */:
|
| case 6 /* NumericLiteral */:
|
| case 8 /* StringLiteral */:
|
| case 10 /* Template */:
|
| case 9 /* RegularExpression */:
|
| statement = this.parseExpressionStatement();
|
| break;
|
| case 7 /* 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 3 /* Identifier */:
|
| statement = this.matchAsyncFunction() ? this.parseFunctionDeclaration() : this.parseLabelledStatement();
|
| break;
|
| case 4 /* 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:
|
| statement = this.throwUnexpectedToken(this.lookahead);
|
| }
|
| return statement;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-function-definitions
|
| 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.lookahead.type !== 2 /* EOF */) {
|
| 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.simple = options.simple && (param instanceof Node.Identifier);
|
| options.params.push(param);
|
| };
|
| Parser.prototype.parseFormalParameters = function (firstRestricted) {
|
| var options;
|
| options = {
|
| simple: true,
|
| params: [],
|
| firstRestricted: firstRestricted
|
| };
|
| this.expect('(');
|
| if (!this.match(')')) {
|
| options.paramSet = {};
|
| while (this.lookahead.type !== 2 /* EOF */) {
|
| this.parseFormalParameter(options);
|
| if (this.match(')')) {
|
| break;
|
| }
|
| this.expect(',');
|
| if (this.match(')')) {
|
| break;
|
| }
|
| }
|
| }
|
| this.expect(')');
|
| return {
|
| simple: options.simple,
|
| params: options.params,
|
| stricted: options.stricted,
|
| firstRestricted: options.firstRestricted,
|
| message: options.message
|
| };
|
| };
|
| Parser.prototype.matchAsyncFunction = function () {
|
| var match = this.matchContextualKeyword('async');
|
| if (match) {
|
| var state = this.scanner.saveState();
|
| this.scanner.scanComments();
|
| var next = this.scanner.lex();
|
| this.scanner.restoreState(state);
|
| match = (state.lineNumber === next.lineNumber) && (next.type === 4 /* Keyword */) && (next.value === 'function');
|
| }
|
| return match;
|
| };
|
| Parser.prototype.parseFunctionDeclaration = function (identifierIsOptional) {
|
| var node = this.createNode();
|
| var isAsync = this.matchContextualKeyword('async');
|
| if (isAsync) {
|
| this.nextToken();
|
| }
|
| this.expectKeyword('function');
|
| var isGenerator = isAsync ? false : 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 previousAllowAwait = this.context.await;
|
| var previousAllowYield = this.context.allowYield;
|
| this.context.await = isAsync;
|
| 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 previousAllowStrictDirective = this.context.allowStrictDirective;
|
| this.context.allowStrictDirective = formalParameters.simple;
|
| 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.allowStrictDirective = previousAllowStrictDirective;
|
| this.context.await = previousAllowAwait;
|
| this.context.allowYield = previousAllowYield;
|
| return isAsync ? this.finalize(node, new Node.AsyncFunctionDeclaration(id, params, body)) :
|
| this.finalize(node, new Node.FunctionDeclaration(id, params, body, isGenerator));
|
| };
|
| Parser.prototype.parseFunctionExpression = function () {
|
| var node = this.createNode();
|
| var isAsync = this.matchContextualKeyword('async');
|
| if (isAsync) {
|
| this.nextToken();
|
| }
|
| this.expectKeyword('function');
|
| var isGenerator = isAsync ? false : this.match('*');
|
| if (isGenerator) {
|
| this.nextToken();
|
| }
|
| var message;
|
| var id = null;
|
| var firstRestricted;
|
| var previousAllowAwait = this.context.await;
|
| var previousAllowYield = this.context.allowYield;
|
| this.context.await = isAsync;
|
| 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 previousAllowStrictDirective = this.context.allowStrictDirective;
|
| this.context.allowStrictDirective = formalParameters.simple;
|
| 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.allowStrictDirective = previousAllowStrictDirective;
|
| this.context.await = previousAllowAwait;
|
| this.context.allowYield = previousAllowYield;
|
| return isAsync ? this.finalize(node, new Node.AsyncFunctionExpression(id, params, body)) :
|
| this.finalize(node, new Node.FunctionExpression(id, params, body, isGenerator));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-directive-prologues-and-the-use-strict-directive
|
| Parser.prototype.parseDirective = function () {
|
| var token = this.lookahead;
|
| var node = this.createNode();
|
| var expr = this.parseExpression();
|
| var directive = (expr.type === syntax_1.Syntax.Literal) ? this.getTokenRaw(token).slice(1, -1) : null;
|
| 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 !== 8 /* 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);
|
| }
|
| if (!this.context.allowStrictDirective) {
|
| this.tolerateUnexpectedToken(token, messages_1.Messages.IllegalLanguageModeDirective);
|
| }
|
| }
|
| else {
|
| if (!firstRestricted && token.octal) {
|
| firstRestricted = token;
|
| }
|
| }
|
| }
|
| return body;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-method-definitions
|
| Parser.prototype.qualifiedPropertyName = function (token) {
|
| switch (token.type) {
|
| case 3 /* Identifier */:
|
| case 8 /* StringLiteral */:
|
| case 1 /* BooleanLiteral */:
|
| case 5 /* NullLiteral */:
|
| case 6 /* NumericLiteral */:
|
| case 4 /* Keyword */:
|
| return true;
|
| case 7 /* Punctuator */:
|
| return token.value === '[';
|
| default:
|
| break;
|
| }
|
| return false;
|
| };
|
| Parser.prototype.parseGetterMethod = function () {
|
| var node = this.createNode();
|
| var isGenerator = false;
|
| var previousAllowYield = this.context.allowYield;
|
| this.context.allowYield = false;
|
| var formalParameters = this.parseFormalParameters();
|
| if (formalParameters.params.length > 0) {
|
| this.tolerateError(messages_1.Messages.BadGetterArity);
|
| }
|
| var method = this.parsePropertyMethod(formalParameters);
|
| this.context.allowYield = previousAllowYield;
|
| return this.finalize(node, new Node.FunctionExpression(null, formalParameters.params, method, isGenerator));
|
| };
|
| Parser.prototype.parseSetterMethod = function () {
|
| var node = this.createNode();
|
| var isGenerator = false;
|
| var previousAllowYield = this.context.allowYield;
|
| this.context.allowYield = false;
|
| var formalParameters = this.parseFormalParameters();
|
| if (formalParameters.params.length !== 1) {
|
| this.tolerateError(messages_1.Messages.BadSetterArity);
|
| }
|
| else if (formalParameters.params[0] instanceof Node.RestElement) {
|
| this.tolerateError(messages_1.Messages.BadSetterRestParameter);
|
| }
|
| var method = this.parsePropertyMethod(formalParameters);
|
| this.context.allowYield = previousAllowYield;
|
| return this.finalize(node, new Node.FunctionExpression(null, formalParameters.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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-generator-function-definitions
|
| Parser.prototype.isStartOfExpression = function () {
|
| var start = true;
|
| var value = this.lookahead.value;
|
| switch (this.lookahead.type) {
|
| case 7 /* Punctuator */:
|
| start = (value === '[') || (value === '(') || (value === '{') ||
|
| (value === '+') || (value === '-') ||
|
| (value === '!') || (value === '~') ||
|
| (value === '++') || (value === '--') ||
|
| (value === '/') || (value === '/='); // regular expression literal
|
| break;
|
| case 4 /* 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-class-definitions
|
| Parser.prototype.parseClassElement = function (hasConstructor) {
|
| var token = this.lookahead;
|
| var node = this.createNode();
|
| var kind = '';
|
| var key = null;
|
| var value = null;
|
| var computed = false;
|
| var method = false;
|
| var isStatic = false;
|
| var isAsync = 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();
|
| }
|
| }
|
| if ((token.type === 3 /* Identifier */) && !this.hasLineTerminator && (token.value === 'async')) {
|
| var punctuator = this.lookahead.value;
|
| if (punctuator !== ':' && punctuator !== '(' && punctuator !== '*') {
|
| isAsync = true;
|
| token = this.lookahead;
|
| key = this.parseObjectPropertyKey();
|
| if (token.type === 3 /* Identifier */) {
|
| if (token.value === 'get' || token.value === 'set') {
|
| this.tolerateUnexpectedToken(token);
|
| }
|
| else if (token.value === 'constructor') {
|
| this.tolerateUnexpectedToken(token, messages_1.Messages.ConstructorIsAsync);
|
| }
|
| }
|
| }
|
| }
|
| }
|
| var lookaheadPropertyKey = this.qualifiedPropertyName(this.lookahead);
|
| if (token.type === 3 /* 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 === 7 /* 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 = isAsync ? this.parsePropertyMethodAsyncFunction() : 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 && 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 !== 3 /* 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 === 3 /* 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-scripts
|
| // https://tc39.github.io/ecma262/#sec-modules
|
| Parser.prototype.parseModule = function () {
|
| this.context.strict = true;
|
| this.context.isModule = true;
|
| var node = this.createNode();
|
| var body = this.parseDirectivePrologues();
|
| while (this.lookahead.type !== 2 /* EOF */) {
|
| body.push(this.parseStatementListItem());
|
| }
|
| return this.finalize(node, new Node.Module(body));
|
| };
|
| Parser.prototype.parseScript = function () {
|
| var node = this.createNode();
|
| var body = this.parseDirectivePrologues();
|
| while (this.lookahead.type !== 2 /* EOF */) {
|
| body.push(this.parseStatementListItem());
|
| }
|
| return this.finalize(node, new Node.Script(body));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-imports
|
| Parser.prototype.parseModuleSpecifier = function () {
|
| var node = this.createNode();
|
| if (this.lookahead.type !== 8 /* 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 === 3 /* 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 === 8 /* 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));
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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('async')) {
|
| // export default async function f () {}
|
| // export default async function () {}
|
| // export default async x => x
|
| var declaration = this.matchAsyncFunction() ? this.parseFunctionDeclaration(true) : this.parseAssignmentExpression();
|
| 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 === 4 /* 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 if (this.matchAsyncFunction()) {
|
| var declaration = this.parseFunctionDeclaration();
|
| 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;
|
| |
| |
| /***/ }, |
| /* 9 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| // 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.
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| function assert(condition, message) {
|
| /* istanbul ignore if */
|
| if (!condition) {
|
| throw new Error('ASSERT: ' + message);
|
| }
|
| }
|
| exports.assert = assert;
|
| |
| |
| /***/ }, |
| /* 10 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| /* tslint:disable:max-classes-per-file */
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| 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 });
|
| }
|
| }
|
| /* istanbul ignore next */
|
| 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;
|
| |
| |
| /***/ }, |
| /* 11 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| // Error messages should be identical to V8.
|
| exports.Messages = {
|
| BadGetterArity: 'Getter must not have any formal parameters',
|
| BadSetterArity: 'Setter must have exactly one formal parameter',
|
| BadSetterRestParameter: 'Setter function argument must not be a rest parameter',
|
| ConstructorIsAsync: 'Class constructor may not be an async method',
|
| ConstructorSpecialMethod: 'Class constructor may not be an accessor',
|
| DeclarationMissingInitializer: 'Missing initializer in %0 declaration',
|
| DefaultRestParameter: 'Unexpected token =',
|
| DuplicateBinding: 'Duplicate binding %0',
|
| DuplicateConstructor: 'A class may only have one constructor',
|
| DuplicateProtoProperty: 'Duplicate __proto__ fields are not allowed in object literals',
|
| ForInOfLoopInitializer: '%0 loop variable declaration may not have an initializer',
|
| GeneratorInLegacyContext: 'Generator declarations are not allowed in legacy contexts',
|
| IllegalBreak: 'Illegal break statement',
|
| IllegalContinue: 'Illegal continue statement',
|
| IllegalExportDeclaration: 'Unexpected token',
|
| IllegalImportDeclaration: 'Unexpected token',
|
| IllegalLanguageModeDirective: 'Illegal \'use strict\' directive in function with non-simple parameter list',
|
| IllegalReturn: 'Illegal return statement',
|
| InvalidEscapedReservedWord: 'Keyword must not contain escaped characters',
|
| InvalidHexEscapeSequence: 'Invalid hexadecimal escape sequence',
|
| InvalidLHSInAssignment: 'Invalid left-hand side in assignment',
|
| InvalidLHSInForIn: 'Invalid left-hand side in for-in',
|
| InvalidLHSInForLoop: 'Invalid left-hand side in for-loop',
|
| InvalidModuleSpecifier: 'Unexpected token',
|
| InvalidRegExp: 'Invalid regular expression',
|
| LetInLexicalBinding: 'let is disallowed as a lexically bound name',
|
| MissingFromClause: 'Unexpected token',
|
| MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
|
| NewlineAfterThrow: 'Illegal newline after throw',
|
| NoAsAfterImportNamespace: 'Unexpected token',
|
| NoCatchOrFinally: 'Missing catch or finally after try',
|
| ParameterAfterRestParameter: 'Rest parameter must be last formal parameter',
|
| Redeclaration: '%0 \'%1\' has already been declared',
|
| StaticPrototype: 'Classes may not have static property named prototype',
|
| StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode',
|
| StrictDelete: 'Delete of an unqualified identifier in strict mode.',
|
| StrictFunction: 'In strict mode code, functions can only be declared at top level or inside a block',
|
| StrictFunctionName: 'Function name may not be eval or arguments 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',
|
| StrictModeWith: 'Strict mode code may not include a with statement',
|
| StrictOctalLiteral: 'Octal literals are not allowed in strict mode.',
|
| StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
|
| StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode',
|
| StrictReservedWord: 'Use of future reserved word in strict mode',
|
| StrictVarName: 'Variable name may not be eval or arguments in strict mode',
|
| TemplateOctalLiteral: 'Octal literals are not allowed in template strings.',
|
| UnexpectedEOS: 'Unexpected end of input',
|
| UnexpectedIdentifier: 'Unexpected identifier',
|
| UnexpectedNumber: 'Unexpected number',
|
| UnexpectedReserved: 'Unexpected reserved word',
|
| UnexpectedString: 'Unexpected string',
|
| UnexpectedTemplate: 'Unexpected quasi %0',
|
| UnexpectedToken: 'Unexpected token %0',
|
| UnexpectedTokenIllegal: 'Unexpected token ILLEGAL',
|
| UnknownLabel: 'Undefined label \'%0\'',
|
| UnterminatedRegExp: 'Invalid regular expression: missing /'
|
| };
|
| |
| |
| /***/ }, |
| /* 12 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var assert_1 = __webpack_require__(9);
|
| var character_1 = __webpack_require__(4);
|
| var messages_1 = __webpack_require__(11);
|
| 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.saveState = function () {
|
| return {
|
| index: this.index,
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart
|
| };
|
| };
|
| Scanner.prototype.restoreState = function (state) {
|
| this.index = state.index;
|
| this.lineNumber = state.lineNumber;
|
| this.lineStart = state.lineStart;
|
| };
|
| Scanner.prototype.eof = function () {
|
| return this.index >= this.length;
|
| };
|
| Scanner.prototype.throwUnexpectedToken = function (message) {
|
| if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; }
|
| return this.errorHandler.throwError(this.index, this.lineNumber, this.index - this.lineStart + 1, message);
|
| };
|
| Scanner.prototype.tolerateUnexpectedToken = function (message) {
|
| if (message === void 0) { message = messages_1.Messages.UnexpectedTokenIllegal; }
|
| this.errorHandler.tolerateError(this.index, this.lineNumber, this.index - this.lineStart + 1, message);
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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;
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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';
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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 null;
|
| }
|
| }
|
| 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');
|
| if (ch === null || ch === '\\' || !character_1.Character.isIdentifierStart(ch.charCodeAt(0))) {
|
| 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');
|
| if (ch === null || ch === '\\' || !character_1.Character.isIdentifierPart(ch.charCodeAt(0))) {
|
| 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
|
| };
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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 = 3 /* Identifier */;
|
| }
|
| else if (this.isKeyword(id)) {
|
| type = 4 /* Keyword */;
|
| }
|
| else if (id === 'null') {
|
| type = 5 /* NullLiteral */;
|
| }
|
| else if (id === 'true' || id === 'false') {
|
| type = 1 /* BooleanLiteral */;
|
| }
|
| else {
|
| type = 3 /* Identifier */;
|
| }
|
| if (type !== 3 /* Identifier */ && (start + id.length !== this.index)) {
|
| var restore = this.index;
|
| this.index = start;
|
| this.tolerateUnexpectedToken(messages_1.Messages.InvalidEscapedReservedWord);
|
| this.index = restore;
|
| }
|
| return {
|
| type: type,
|
| value: id,
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| // https://tc39.github.io/ecma262/#sec-punctuators
|
| Scanner.prototype.scanPunctuator = function () {
|
| var start = 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 === start) {
|
| this.throwUnexpectedToken();
|
| }
|
| return {
|
| type: 7 /* Punctuator */,
|
| value: str,
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| // https://tc39.github.io/ecma262/#sec-literals-numeric-literals
|
| Scanner.prototype.scanHexLiteral = function (start) {
|
| var num = '';
|
| while (!this.eof()) {
|
| if (!character_1.Character.isHexDigit(this.source.charCodeAt(this.index))) {
|
| break;
|
| }
|
| num += this.source[this.index++];
|
| }
|
| if (num.length === 0) {
|
| this.throwUnexpectedToken();
|
| }
|
| if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
|
| this.throwUnexpectedToken();
|
| }
|
| return {
|
| type: 6 /* NumericLiteral */,
|
| value: parseInt('0x' + num, 16),
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| Scanner.prototype.scanBinaryLiteral = function (start) {
|
| var num = '';
|
| var ch;
|
| while (!this.eof()) {
|
| ch = this.source[this.index];
|
| if (ch !== '0' && ch !== '1') {
|
| break;
|
| }
|
| num += this.source[this.index++];
|
| }
|
| if (num.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: 6 /* NumericLiteral */,
|
| value: parseInt(num, 2),
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| Scanner.prototype.scanOctalLiteral = function (prefix, start) {
|
| var num = '';
|
| var octal = false;
|
| if (character_1.Character.isOctalDigit(prefix.charCodeAt(0))) {
|
| octal = true;
|
| num = '0' + this.source[this.index++];
|
| }
|
| else {
|
| ++this.index;
|
| }
|
| while (!this.eof()) {
|
| if (!character_1.Character.isOctalDigit(this.source.charCodeAt(this.index))) {
|
| break;
|
| }
|
| num += this.source[this.index++];
|
| }
|
| if (!octal && num.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: 6 /* NumericLiteral */,
|
| value: parseInt(num, 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 num = '';
|
| if (ch !== '.') {
|
| num = 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 (num === '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))) {
|
| num += this.source[this.index++];
|
| }
|
| ch = this.source[this.index];
|
| }
|
| if (ch === '.') {
|
| num += this.source[this.index++];
|
| while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
| num += this.source[this.index++];
|
| }
|
| ch = this.source[this.index];
|
| }
|
| if (ch === 'e' || ch === 'E') {
|
| num += this.source[this.index++];
|
| ch = this.source[this.index];
|
| if (ch === '+' || ch === '-') {
|
| num += this.source[this.index++];
|
| }
|
| if (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
| while (character_1.Character.isDecimalDigit(this.source.charCodeAt(this.index))) {
|
| num += this.source[this.index++];
|
| }
|
| }
|
| else {
|
| this.throwUnexpectedToken();
|
| }
|
| }
|
| if (character_1.Character.isIdentifierStart(this.source.charCodeAt(this.index))) {
|
| this.throwUnexpectedToken();
|
| }
|
| return {
|
| type: 6 /* NumericLiteral */,
|
| value: parseFloat(num),
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| // https://tc39.github.io/ecma262/#sec-literals-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':
|
| if (this.source[this.index] === '{') {
|
| ++this.index;
|
| str += this.scanUnicodeCodePointEscape();
|
| }
|
| else {
|
| var unescaped_1 = this.scanHexEscape(ch);
|
| if (unescaped_1 === null) {
|
| this.throwUnexpectedToken();
|
| }
|
| str += unescaped_1;
|
| }
|
| break;
|
| case 'x':
|
| var unescaped = this.scanHexEscape(ch);
|
| if (unescaped === null) {
|
| this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence);
|
| }
|
| 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: 8 /* StringLiteral */,
|
| value: str,
|
| octal: octal,
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| // https://tc39.github.io/ecma262/#sec-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':
|
| if (this.source[this.index] === '{') {
|
| ++this.index;
|
| cooked += this.scanUnicodeCodePointEscape();
|
| }
|
| else {
|
| var restore = this.index;
|
| var unescaped_2 = this.scanHexEscape(ch);
|
| if (unescaped_2 !== null) {
|
| cooked += unescaped_2;
|
| }
|
| else {
|
| this.index = restore;
|
| cooked += ch;
|
| }
|
| }
|
| break;
|
| case 'x':
|
| var unescaped = this.scanHexEscape(ch);
|
| if (unescaped === null) {
|
| this.throwUnexpectedToken(messages_1.Messages.InvalidHexEscapeSequence);
|
| }
|
| cooked += unescaped;
|
| 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: 10 /* Template */,
|
| value: this.source.slice(start + 1, this.index - rawOffset),
|
| cooked: cooked,
|
| head: head,
|
| tail: tail,
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| // https://tc39.github.io/ecma262/#sec-literals-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++];
|
| // https://tc39.github.io/ecma262/#sec-literals-regular-expression-literals
|
| 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.
|
| return str.substr(1, str.length - 2);
|
| };
|
| 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;
|
| var char = this.scanHexEscape('u');
|
| if (char !== null) {
|
| flags += char;
|
| 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 flags;
|
| };
|
| Scanner.prototype.scanRegExp = function () {
|
| var start = this.index;
|
| var pattern = this.scanRegExpBody();
|
| var flags = this.scanRegExpFlags();
|
| var value = this.testRegExp(pattern, flags);
|
| return {
|
| type: 9 /* RegularExpression */,
|
| value: '',
|
| pattern: pattern,
|
| flags: flags,
|
| regex: value,
|
| lineNumber: this.lineNumber,
|
| lineStart: this.lineStart,
|
| start: start,
|
| end: this.index
|
| };
|
| };
|
| Scanner.prototype.lex = function () {
|
| if (this.eof()) {
|
| return {
|
| type: 2 /* EOF */,
|
| value: '',
|
| 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;
|
| |
| |
| /***/ }, |
| /* 13 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| exports.TokenName = {};
|
| exports.TokenName[1 /* BooleanLiteral */] = 'Boolean';
|
| exports.TokenName[2 /* EOF */] = '<end>';
|
| exports.TokenName[3 /* Identifier */] = 'Identifier';
|
| exports.TokenName[4 /* Keyword */] = 'Keyword';
|
| exports.TokenName[5 /* NullLiteral */] = 'Null';
|
| exports.TokenName[6 /* NumericLiteral */] = 'Numeric';
|
| exports.TokenName[7 /* Punctuator */] = 'Punctuator';
|
| exports.TokenName[8 /* StringLiteral */] = 'String';
|
| exports.TokenName[9 /* RegularExpression */] = 'RegularExpression';
|
| exports.TokenName[10 /* Template */] = 'Template';
|
| |
| |
| /***/ }, |
| /* 14 */ |
| /***/ function(module, exports) { |
| |
| "use strict";
|
| // Generated by generate-xhtml-entities.js. DO NOT MODIFY!
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| 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'
|
| };
|
| |
| |
| /***/ }, |
| /* 15 */ |
| /***/ function(module, exports, __webpack_require__) { |
| |
| "use strict";
|
| Object.defineProperty(exports, "__esModule", { value: true });
|
| var error_handler_1 = __webpack_require__(10);
|
| var scanner_1 = __webpack_require__(12);
|
| var token_1 = __webpack_require__(13);
|
| 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 keyword = this.values[this.paren - 1];
|
| regex = (keyword === 'if' || keyword === 'while' || keyword === 'for' || keyword === '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 = this.values[this.curly - 4];
|
| regex = check ? !this.beforeFunctionExpression(check) : false;
|
| }
|
| else if (this.values[this.curly - 4] === 'function') {
|
| // Named function, e.g. function f(){} /42/
|
| var check = this.values[this.curly - 5];
|
| regex = check ? !this.beforeFunctionExpression(check) : true;
|
| }
|
| break;
|
| default:
|
| break;
|
| }
|
| return regex;
|
| };
|
| Reader.prototype.push = function (token) {
|
| if (token.type === 7 /* Punctuator */ || token.type === 4 /* 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 value = this.scanner.source.slice(e.slice[0], e.slice[1]);
|
| var 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 startRegex = (this.scanner.source[this.scanner.index] === '/') && this.reader.isRegexStart();
|
| var token = startRegex ? this.scanner.scanRegExp() : this.scanner.lex();
|
| this.reader.push(token);
|
| var 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.type === 9 /* RegularExpression */) {
|
| var pattern = token.pattern;
|
| var flags = token.flags;
|
| entry.regex = { pattern: pattern, flags: flags };
|
| }
|
| this.buffer.push(entry);
|
| }
|
| }
|
| return this.buffer.shift();
|
| };
|
| return Tokenizer;
|
| }());
|
| exports.Tokenizer = Tokenizer;
|
| |
| |
| /***/ } |
| /******/ ]) |
| }); |
| ; |