tum/whitesports - Gogs: Simplico Git Service

(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;

/***/ }

/******/ ])

});

;

tum/whitesports - Gogs: Simplico Git Service

Auteur	SHA1 Bericht	Datum
Tum	d01d7cf85d first commit	4 jaren geleden

1 Commits (d6fa6293d8be4c09902396507370746df847dfc4)