(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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// Unicode v8.0.0 NonAsciiIdentifierPart: NonAsciiIdentifierPart: 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}; 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; /***/ } /******/ ]) }); ;

How To Start Out An Online Online Casino: Costs, Licenses, Games And More

BDM June 26, 2025 Betting for all Leave a comment 1,243 Views

What Are Usually The Best Way To Make Money At The Casino?

Content

#5 Look For A Reliable Growth Team That Can Turn Your Vision Into Reality
How Does An Online Casino Operate?
How To Make Money Online: 8 Work-from-home Jobs To Pick From
How To Gain From Casino Additional Bonuses With Online Slots
Choosing In Addition To Playing Games
Tips Approach Have Got Fun Playing Online Baccarat
Web Development
Online Casino Benefits Over The Players
How We Create Money
Avoid Sketchy Sites
Do Gambling Dens Report Gambling Earnings To The Irs?
Find And Protected Popular Payment Methods
Sign In To Read The Total Article”
Cryptos Set To Explode Before The Particular Bitcoin Halving According To Chatgpt: Cardano (ada), Everlodge (eldg), Tron (trx)
Swing The Odds In Your Favour
Summary Of How To Be Able To Create An Internet Casino
What Taxes Are Owing On Gambling Earnings?
Ea Fc 24 Best Cb Players
Markets
What May Be The Maximum Amount Associated With Money That Somebody Can Win At An Online Casino?
Make Money Along With Online Casinos
About This Article
Online Casinos And Profitability: How Carry Out They Make Funds?
Tips – How You Can Win In A Good Internet Casino To Create Consistent Profits
Tips
Your Message Was Sent Successfully Thanks!
Crypto Casinos
Secure Verified Strategies Of Payment
What Are The Best Way To Make Money At The Casino?
Choose An Online Casino Site With The Generous Bonus Offer
How On The Internet Casinos Make Their Profit
Did This Specific Article Help You?
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These businesses are not really exercises in charitable organisation – rather, they sell players the possibility to win greater prizes for money they are willing to bet. If you go to a land-based on line casino, you need to place the bet so as to play. Namely, a large number of web sites are offering free play sessions for most popular game titles. No one wants to be called a quitter, but there are times when you will be playing casino video games whenever you simply have got to stop. The only reason exactly why experienced players recommend this is actually the fact that you have a lot more than your pride to lose here – you can lose all your current money.

Do an individual play casino game titles on an everyday basis for even more than a few hours?
Obviously, the online casino you’ve selected has a great influence on your achievement as a player as well.
In many casino sites, a person can start along with the demo editions of these on line casino games to know gaming concepts prior to making usage of your current real money.
There are not different setups showing how an online casino could be operated.
There is a built-in random number generator algorithm within each casino game.

There’s a pre-determined Return To Player figure, which can either be arranged by the software creator or the casino alone. CasinoWizard’s life quest is always to seek away trustworthy online gambling dens that offer on-line slots in the particular highest RTP setups. Well, while it’s believed to become the particular biggest market with regard to online casinos immediately, you need a separate license each state that approves on-line casino gambling. This is one regarding the main reasons why online casinos are less eager on players making minimum deposits and withdrawals all the particular time. Keep inside mind that most online casinos offer the same games, so there are few variables that distinguish them from your rest.

#5 Find A Reliable Advancement Team That May Turn Your Eyesight Into Reality

Whilst revenues from video games are guaranteed, what do casinos carry out to maximise their own earnings? To achieve success in the lengthy run, an on-line casino always requires to get fresh customers, ensure of which those customers are playing frequently and are delighted and stay set.” “[newline]Every online casino’s objective is the same — people pay to play a broad range of casino games. Every game is based on luck, and players invest a specific amount pounds and hope to be able to win more. Beyond general marketing techniques and commission-seeking, online casinos will likewise host games that have specific Return to Player (RTP) proportions mostbet login.

But become aware also in case there is a new maximum limit for withdrawing funds.
The bottom line is the fact players won’t go to your new internet site on its own, but a person need to be known as if you’re not seen; a person don’t exist.
These businesses are not exercises in charitable organisation – rather, that they sell players the opportunity to win bigger prizes for cash they are willing to bet.
This way, you could be able to develop your app without having a gambling license.
All in our content is written by ourselves and we are very pleased to be AI-proof.
This approach, you will possess a general idea of your accessible funds and you will be capable to place reasonable wagers that correspond in order to your bankroll.

These casinos eliminate the long withdrawal, registration in addition to deposit processes and let players to quickly start playing. Most of these casinos have teamed upward with Trustly, the fintech giant, which created a mechanism for players to bypass the normal processes. Therefore, to enjoy the maximum income and high go back on investments obtainable on this sort of business, a person must also become ready to pay for typically the required sacrifices. An RTP above this is well known as very generous – and many sport developers offer slot machines on which casinos may set RTPs over a sliding scale.

How Does An Online Casino Operate?

Though most casino video games are easy to understand, most of them take some time to master. So, as a gambler aiming to make money regularly, you must cautiously understand the regulations as well as how to play the particular games well. The very first thing that a person need to realize if you need to make money from an on-line casino, is that you need an advantage.

The greatest goal of each player is always to understand how to efficiently get paid from on-line casino bonuses.
This may help you save on costs and time while still enabling you to tailor your product.
In addition to the open elements, system must offer APIs so that it is possible to define extensions.
To deal with these jobs, you will need a devoted employee who runs these requirements plus ensures that almost all regulations are implemented correctly.
In the long run, all players will shed 5% of these cash to the on line casino which pays champions 95% as cashback.

Otherwise, it will probably be” “a costly mistake and an obstacle to getting to a profitable business. In this article, all of us will take you on a quest where we provide you insights directly into how to start and function an internet casino. So, you already been having several thoughts of beginning your own online casino, or maybe you might be just curious about how it just about all works.

How To Make Money Online: 8 Work-from-home Jobs To Choose From

You could also try setting oneself a time limit for gaming online. Aside coming from winning big on games, do an individual know how in order to make money from the casino? If you’re a normal gambler playing with big sums, an individual might be entitled to extra additional bonuses or cash mostbet app.

Blackjack is one of the world’s most favored casino games and one of the most profitable for players.
The registration process is smooth, and gamers usually don’t need to send a number of documents to be able to prove their personal or incomes, as is the situation in most regulated markets.
Games where it’s Player vs. Gamer will often possess an entrance payment.
Keep in mind that most online casinos offer you the same games, so there are very few variables that distinguish them from your rest.

This way, you might be able to build your app without having a gambling certificate. Nevertheless, your software must meet the other legal needs mentioned earlier. You should also consider cryptocurrency as the entire online online casino industry is relocating to this field as well. You’ll also need to offer several rewarding bonuses and promotions, especially within the early days and nights, so that you can quickly appeal to high quantities of players.

How To Gain From Casino Bonus Deals With Online Slots

It is obviously recommended to conduct proper research before choosing online casinos or applications, whether you are a beginner or an experienced casino player. Reading reviews submitted by other users can be a helpful way to gain more information in regards to a site. These reviews may provide valuable ideas from people that have already had some experience with the site. Slot devices are one regarding the most fun-packed games in the particular great casinos.

This article provides a step-by-step guide to help an individual navigate setting up your online online casino. It includes specified information, from buying the necessary licenses and” “licences to choosing typically the right software and payment processing remedies. Reading site testimonials before trusting it with your cash is also a new good idea. Furthermore, the casino’s style and navigation should be clear and user-friendly, particularly if these people market themselves since the best and most trustworthy in the commercial. It’s also essential to know the least and maximum wagering limits and to be able to inquire using the specialized support team about the maximum payout for large winnings.

Choosing Plus Playing Games

For example, the particular RTP of a new slot game may dictate how very much money it provides to players above the course of its lifetime (often several years). This means that the casino would not respect the break-even rule to be able to allow players in order to earn their full amount. In the particular long run, all players will drop 5% of these money to the online casino which pays winners 95% as procuring. Although this house edge appears to be able to be small , and the cumulative amount is usually massive, thinking about the hefty wagers that each players exchange within the high stakes casinos. Online gambling has turn out to be legal across the handful of declares over the last decade, while online sports betting made a much greater push across typically the country.

You’ll range from the amount of your earnings when you record your” “tax return for the year rather than at the casino when you claim them.
They are typically recommended to even more advanced business owners who wish to have more say within the small things.
How to make money in casino is a frequent query these days of course, if you are seeking for an response to this query look no even more.
With Player versus. Casino, the casino will use a specific RTP, which is usually programmed into the particular game.
Don’t get sucked into becoming superstitious because there’s simply no way to control a game’s outcome.
Today, some casinos function over 1, 500 slot games, and many game companies still publish new titles every year.

With” “the change, emerging on-line gaming companies for example DraftKings and incumbent casinos’ online procedures give them even more ways to get to the betting public as opposed to the way ever before. The reasons why it will be so important to get familiar together with these factors is usually that thanks to them, you will be able to be able to determine the most beneficial game for an individual. Generally speaking, typically the higher the home edge, the lower the probabilities are to win the sport.

Tips In Order To Have Got Fun Playing Online Baccarat

Obviously, you should never play with money you have to pay your bills or perhaps cover your daily demands. As this stating goes – have fun with money that you could afford to shed. Don’t forget that will online casinos are usually available 24/7 in addition to there’s do not need be in a be quick when visiting these internet sites. First and primarily, you should understand that not all casino games have similar odds. As the matter of truth, many of them have very much better odds as compared to others. For example, online slot games have some from the worst odds you will find in this business.

If an individual check out a land-based casino, you have to place the bet to be able to perform.
These games are not really only fun to play but are usually also extremely exciting.
This is just what brings the enjoyment, excitement, and high quality gaming for your on-line casino.
Make certain to supply the most popular banking methods so players can quickly deposit and take away from the casino.

There are many casino game titles like slot game titles, roulette, and keno where you can find amazing jackpots. In some cases, these jackpots will be worth hundreds regarding thousands of bucks. But, if an individual are thinking about obtaining a way in order to win a jackpot feature like this, you may realize that you will realize that the particular odds of succeeding are extremely minimal. This means that will you don’t possess to invest any of your funds to try out a video game there. Obviously, this specific also means of which you won’t be able to earn money, but you should understand this as a new way to generate money in on the internet casinos over time.

Web Development

But what’s known for sure is that each of these people has specific units of rules. So, before you commence playing on a new casino site, make sure that you understand the fundamentals of the sport you are looking at. It would be even better if you spend several time reading guides that can aid master that game. One of the particular things that create casino sites thus exciting and popular is that an individual can get entry to hundreds of games. On the some other hand, there” “are some casino games with excellent odds.

Gambling will be unpredictable, and one must realize that it is not wise to invest their finances at risk as there is constantly an opportunity of losing.
Despite RTPs becoming seemingly balanced in the direction of the gamer, these statistics indicate that there will always become an assurance of come back to a casino.
The least difficult and quickest technique is the White Label solution, and it takes around a couple of to three months.
With that at heart, I wanted to offer you an in depth review of the actions take to start an online casino.
If functioning in order to” “live casinos, they obtain profit from game titles while there is no randomly number generator.

You won’t become able to any casino without repayment processors, so you’ll have to help to make” “deals with reputable payment companies. Now that I’ve covered most of the important things about starting and working an online casino let’s take a quick look at the actions you need to take to open it yourself. Many regulatory bodies within the world offer licenses to internet casinos and other gambling websites. Despite RTPs becoming seemingly balanced towards the ball player, these figures indicate that presently there will always become guaranteed of go back to a casino. Players can also keep on to expect completely random gameplay – for example, a great RTP of 97% isn’t an assurance that they will certainly lose just 3% of times. How to be able to make money at casino is a frequent issue these days and if you are seeking for an solution to this query look no even more.

Online Casino Benefits Over The Players

ECOGRA may be the online playing industry’s independent limiter and they evaluate online casinos to be sure they’re secure regarding players. If you would like” “for making money with on the internet casinos, you have got to take some time to be able to prepare and learn each of the subtleties in the industry. For instance, you need to know which game titles are beneficial in addition to which ones don’t have decent probabilities. In addition, you have to possess virtues such as patience and discipline as they play a crucial role inside this process.

Last but not minimum, many gambling specialists advise that the best way to make money with on the internet casinos is in order to aim at making small, achievable income rather than colossal amounts.
Most of the particular casinos have an on line casino VIP program that is used to be able to rank players of which are entitled to this reward.
First of all, there’s blackjack, a card game with typical odds that move below 1%.
We’ll cover several matters, including considering particular game strategies, money management tips, and how to maximize bonuses for a new rewarding gaming encounter.

We all know of which online casinos make a fortune, as the latest estimates recommend that the online gambling market is usually worth a staggering $66. 7 billion. Having a strategy get is just as essential as” “using a strategy for your moves when applicable. What is even more, without a dependable plan for your own bankroll, you will be bound to lose all of your own winnings.

How We Make Money

And as we keep mentioning, you need a solid partner that knows how to design and develop a quality casino software. It is crucial to keep in mind that creating a dedicated on line casino app will require a larger budget compared to building an MVP. But if” “you could have the resources, the dedicated app may be a fantastic way to ensure your product is top-notch. Your casino application needs to become able to stand out in a sea of competition.

However, the casinos bank on some gamers being reckless since it’s another method for them to ensure they win more as compared to those players.
To successfully acquire new players, you’ll want to be able to use targeted text messages.
Make sure to usually look at the minimum bet limit a particular game has as this is the total amount that you will be required to spot every time inside order to remain in the game.
With prototypes of your slots, we can quickly show you how your online casino will look and feel.

CasinoWizard comes with an expert team of 4 slots- and internet casino enthusiasts with more than 50 combined a lot of experience. Yes, not only does the old shield dominate the on-line casino landscape, but some new traders have made a great impact, too. Isn´t it enough in order to provide players with the most known payment strategies like VISA, Master card, and Bank transactions?

Avoid Sketchy Sites

Analytics Insight® is an influential platform dedicated to information, trends, and opinion from the globe of data-driven technologies. It monitors innovations, recognition, and achievements made by Synthetic Intelligence, Big Data and Analytics companies across the globe. Analytics Insight will be an influential system dedicated to information, trends, and views from your world of data-driven technologies. The options are increasing, but a good way to employ them is to be able to gamble online. Do your quest and possess a proper technique plan ready regarding what markets you would like to target and exactly why.” “[newline]Latin America is increasing, but again, you need some being familiar with of those marketplaces and correctly translated content. One sure way to are unsuccessful is to use poorly converted content, so pay out attention to them.

These events often require an entry fee but allow gamers to win money by gambling.
There are numerous ways you can leverage your online casino to help to make money.
But it offers the advantage of being higher than a cashable added bonus (hence a larger playing bankroll) even though also the gambling requirements will end up being higher.
Winnings that exceed either $600 or 300 times your initial wager must be reported in a horse racing track.

Are used to entice participants to keep placing bets because they will are offered if you reload your account. Loyalty bonuses will be rewards for players that have advanced in levels because associated with long term engagement with the on line casino. Most of the casinos possess a casino VIP program of which is used to be able to rank players that are eligible for this reward. Casino” “procuring bonuses involve the refunds you obtain whenever you register a streak of loss. How to make money from on-line casino bonuses is now a common training within the gaming world.

Do Internet Casinos Report Gambling Revenue To The Internal Revenue Service?

The right and scalable platform plays a role of a skeleton for your business and determines how easy it is to develop and grow your casino app. With prototypes of your slot machines, we can quickly demonstrate how your online casino will look and feel. We can also help you with the more technical aspects, such as setting up a payment gateway and choosing the right hosting solution.

You need to provide players a cause to choose your on the internet casino instead of a competitor next time they wish to play.
You can perform live commentary, communicate with the talk functionality, or create banter between gamers (if applicable).
This is the hard reality, and you need to realize what you are usually getting into before investing time in addition to money into releasing your own casinos.

You must furthermore integrate the necessary features like repayment systems and user accounts management. The point is the fact when you run your own personal online casino, a person decide if you permit players spin together with the best odds or with RTPs that increase your current chances of creating a profitable business. The most popular on line casino games are slots, poker, blackjack, and roulette. Online casino business is a profitable business that is desirable to learn by interested business-minded individuals regardless of their previous experience. The enterprise has” “turned into one of the leading internet businesses in the world today that provides maximum profit over a relatively quick period of period.

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Players can easily still hit huge wins when enjoying on lower RTP versions, but their particular balances will dry up faster as compared to when playing around the best-paying options. Most players have zero idea that these alternatives even exist and automatically imagine they always play on typically the best-paying version any time in reality the contrary might be real. Make sure of which whoever does these kinds of negotiations to suit your needs provides previous experience of how these deals should be made in addition to knowledge about typically the going rates.

To achieve success at internet marketer marketing, choosing reliable and trustworthy on-line casinos with good alteration rates is important.
Pay N Play casinos gather the players’ banking details via Trustly therefore that players can skip right in order to the deposit.
This number, of program, translates into over 90% of individuals who lose big time in the particular gambling industry.
Another good advice related to casino game titles and learning these kinds of games is to be able to play 1 or 2 various types of video games at once.

The house edge is the expression which describes typically the built-in advantage regarding the casino or in other phrases, the proportion of almost all wagered money that you are anticipated to get involved typically the long term. To achieve success at internet marketer marketing, choosing trustworthy and trustworthy on the internet casinos with high transformation rates is important. To attract prospective players, you may create content such as reviews, guides, or even comparisons on the web site or social networking stations. For instance, a person can create a list of top websites and gives users to play with a 5 dollar deposit casino or even other low-deposit websites. Live casino video games are completely diverse ball games in addition to work by using a residence edge. They assure profits to the on-line casino in the long run, although.

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Having a new” “casino with real retailers and live video clip streaming features will be fundamental for your own business. SoftGamings may offer any sport beyond this listing, guaranteed to become the great source associated with entertainment. While that is true of which it is possible to make money with online casinos, an individual should always view gambling mainly being a source of amusement. Bear in brain that all on line casino games have the built-in advantage which often will eventually trigger you to shed money. Therefore, that is best to be able to simply benefit from the casino game which you have chosen in addition to make the just about all of your time online. If you play skill-based games and possess a money administration strategy, you could have enjoyment and at typically the same time, make money.

Stick to game titles where your ability can give an individual an advantage on the casino – make use of our best strategy with regard to roulette guide in roulette such as.
Ok, so an individual decided to possibly look into creating your own platform or go for the package alternative where you get almost all of the time consuming elements served over a silver platter.
In the end, be aware that it will most likely take you mainly because many as two years to break even.
Now that I’ve covered most regarding the essential things about starting and working an online casino let’s take a quick look at the methods you need to take to open up it yourself.
Today, the best payment methods inside casinos are e-wallets and cryptocurrency.

There are shared benefits to delightful offers and continuous promotions that players come across frequently at online casinos. For example, the casino offering a no-deposit bonus will give a new gamer the opportunity to try the game free of charge without risk. For typically the casino, there’s a new chance that said player will determine to join plus play more games, this time with real money. Another important factor to think about when choosing an internet casino is the number of available video games. The more video games a website offers, typically the more appealing it is to customers, and a wide assortment of games often indicates high site visitors levels.

Cryptos Set In Order To Explode Before The Bitcoin Halving Based To Chatgpt: Cardano (ada), Everlodge (eldg), Tron (trx)

The more gamers you might have and the more money they invest, the additional the casino will earn. That’s since although the games” “are based on luck, in the grand scheme regarding things, the online casino will always make more than it manages to lose. The gambling online business is rising, plus more and additional players are becoming a member of it, so there’s always space for a new businessperson to enter typically the fold. Do you play casino games on a daily basis for more than a few hours? If the answers to be able to these questions will be affirmative, then probably it’s time to stop to check out assist.

However, given that you get amused by playing a casino game, presently there are only 2 possible outcomes – to either succeed or lose. Therefore, the inevitable query whether or not necessarily it is possible to building income with on-line casinos arises. Another thing that comes to mind is usually whether some online casino games truly offer better odds.

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Cryptos Set In Order To Explode Before The Bitcoin Halving Based To Chatgpt: Cardano (ada), Everlodge (eldg), Tron (trx)

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How To Start Out An Online Online Casino: Costs, Licenses, Games And More

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