/dist/qunit/blanket.js
JavaScript | 4300 lines | 3448 code | 671 blank | 181 comment | 631 complexity | 66591ef832801d558c208a22efdd158a MD5 | raw file
Possible License(s): MIT
- /*---------------------------------*/
- /* */
- /*---------------------------------*/
- /* Blanket.js */
- /* version 0.9.5 alpha */
- /* See README.md for revision news */
- /*---------------------------------*/
- /* */
- /*-------------------------------*/
- /* Stop autorunning of tests */
- if (typeof QUnit !== 'undefined'){ QUnit.config.autostart = false; }
- /* Esprima Code */
- /*
- Copyright (C) 2012 Ariya Hidayat <ariya.hidayat@gmail.com>
- Copyright (C) 2012 Mathias Bynens <mathias@qiwi.be>
- Copyright (C) 2012 Joost-Wim Boekesteijn <joost-wim@boekesteijn.nl>
- Copyright (C) 2012 Kris Kowal <kris.kowal@cixar.com>
- Copyright (C) 2012 Yusuke Suzuki <utatane.tea@gmail.com>
- Copyright (C) 2012 Arpad Borsos <arpad.borsos@googlemail.com>
- Copyright (C) 2011 Ariya Hidayat <ariya.hidayat@gmail.com>
- Redistribution and use in source and binary forms, with or without
- modification, are permitted provided that the following conditions are met:
- * Redistributions of source code must retain the above copyright
- notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above copyright
- notice, this list of conditions and the following disclaimer in the
- documentation and/or other materials provided with the distribution.
- THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- ARE DISCLAIMED. IN NO EVENT SHALL <COPYRIGHT HOLDER> BE LIABLE FOR ANY
- DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
- /*jslint bitwise:true plusplus:true */
- /*global esprima:true, define:true, exports:true, window: true,
- throwError: true, generateStatement: true, peek: true,
- parseAssignmentExpression: true, parseBlock: true, parseExpression: true,
- parseFunctionDeclaration: true, parseFunctionExpression: true,
- parseFunctionSourceElements: true, parseVariableIdentifier: true,
- parseLeftHandSideExpression: true,
- parseStatement: true, parseSourceElement: true */
- (function (exports) {
- 'use strict';
- var Token,
- TokenName,
- Syntax,
- PropertyKind,
- Messages,
- Regex,
- SyntaxTreeDelegate,
- source,
- strict,
- index,
- lineNumber,
- lineStart,
- length,
- delegate,
- lookahead,
- state,
- extra;
- Token = {
- BooleanLiteral: 1,
- EOF: 2,
- Identifier: 3,
- Keyword: 4,
- NullLiteral: 5,
- NumericLiteral: 6,
- Punctuator: 7,
- StringLiteral: 8
- };
- TokenName = {};
- TokenName[Token.BooleanLiteral] = 'Boolean';
- TokenName[Token.EOF] = '<end>';
- TokenName[Token.Identifier] = 'Identifier';
- TokenName[Token.Keyword] = 'Keyword';
- TokenName[Token.NullLiteral] = 'Null';
- TokenName[Token.NumericLiteral] = 'Numeric';
- TokenName[Token.Punctuator] = 'Punctuator';
- TokenName[Token.StringLiteral] = 'String';
- Syntax = {
- AssignmentExpression: 'AssignmentExpression',
- ArrayExpression: 'ArrayExpression',
- BlockStatement: 'BlockStatement',
- BinaryExpression: 'BinaryExpression',
- BreakStatement: 'BreakStatement',
- CallExpression: 'CallExpression',
- CatchClause: 'CatchClause',
- ConditionalExpression: 'ConditionalExpression',
- ContinueStatement: 'ContinueStatement',
- DoWhileStatement: 'DoWhileStatement',
- DebuggerStatement: 'DebuggerStatement',
- EmptyStatement: 'EmptyStatement',
- ExpressionStatement: 'ExpressionStatement',
- ForStatement: 'ForStatement',
- ForInStatement: 'ForInStatement',
- FunctionDeclaration: 'FunctionDeclaration',
- FunctionExpression: 'FunctionExpression',
- Identifier: 'Identifier',
- IfStatement: 'IfStatement',
- Literal: 'Literal',
- LabeledStatement: 'LabeledStatement',
- LogicalExpression: 'LogicalExpression',
- MemberExpression: 'MemberExpression',
- NewExpression: 'NewExpression',
- ObjectExpression: 'ObjectExpression',
- Program: 'Program',
- Property: 'Property',
- ReturnStatement: 'ReturnStatement',
- SequenceExpression: 'SequenceExpression',
- SwitchStatement: 'SwitchStatement',
- SwitchCase: 'SwitchCase',
- ThisExpression: 'ThisExpression',
- ThrowStatement: 'ThrowStatement',
- TryStatement: 'TryStatement',
- UnaryExpression: 'UnaryExpression',
- UpdateExpression: 'UpdateExpression',
- VariableDeclaration: 'VariableDeclaration',
- VariableDeclarator: 'VariableDeclarator',
- WhileStatement: 'WhileStatement',
- WithStatement: 'WithStatement'
- };
- PropertyKind = {
- Data: 1,
- Get: 2,
- Set: 4
- };
- // Error messages should be identical to V8.
- Messages = {
- UnexpectedToken: 'Unexpected token %0',
- UnexpectedNumber: 'Unexpected number',
- UnexpectedString: 'Unexpected string',
- UnexpectedIdentifier: 'Unexpected identifier',
- UnexpectedReserved: 'Unexpected reserved word',
- UnexpectedEOS: 'Unexpected end of input',
- NewlineAfterThrow: 'Illegal newline after throw',
- InvalidRegExp: 'Invalid regular expression',
- UnterminatedRegExp: 'Invalid regular expression: missing /',
- InvalidLHSInAssignment: 'Invalid left-hand side in assignment',
- InvalidLHSInForIn: 'Invalid left-hand side in for-in',
- MultipleDefaultsInSwitch: 'More than one default clause in switch statement',
- NoCatchOrFinally: 'Missing catch or finally after try',
- UnknownLabel: 'Undefined label \'%0\'',
- Redeclaration: '%0 \'%1\' has already been declared',
- IllegalContinue: 'Illegal continue statement',
- IllegalBreak: 'Illegal break statement',
- IllegalReturn: 'Illegal return statement',
- StrictModeWith: 'Strict mode code may not include a with statement',
- StrictCatchVariable: 'Catch variable may not be eval or arguments in strict mode',
- StrictVarName: 'Variable name may not be eval or arguments in strict mode',
- StrictParamName: 'Parameter name eval or arguments is not allowed in strict mode',
- StrictParamDupe: 'Strict mode function may not have duplicate parameter names',
- StrictFunctionName: 'Function name may not be eval or arguments in strict mode',
- StrictOctalLiteral: 'Octal literals are not allowed in strict mode.',
- StrictDelete: 'Delete of an unqualified identifier in strict mode.',
- StrictDuplicateProperty: 'Duplicate data property in object literal not allowed in strict mode',
- AccessorDataProperty: 'Object literal may not have data and accessor property with the same name',
- AccessorGetSet: 'Object literal may not have multiple get/set accessors with the same name',
- StrictLHSAssignment: 'Assignment to eval or arguments is not allowed in strict mode',
- StrictLHSPostfix: 'Postfix increment/decrement may not have eval or arguments operand in strict mode',
- StrictLHSPrefix: 'Prefix increment/decrement may not have eval or arguments operand in strict mode',
- StrictReservedWord: 'Use of future reserved word in strict mode'
- };
- // See also tools/generate-unicode-regex.py.
- Regex = {
- NonAsciiIdentifierStart: new RegExp('[\xaa\xb5\xba\xc0-\xd6\xd8-\xf6\xf8-\u02c1\u02c6-\u02d1\u02e0-\u02e4\u02ec\u02ee\u0370-\u0374\u0376\u0377\u037a-\u037d\u0386\u0388-\u038a\u038c\u038e-\u03a1\u03a3-\u03f5\u03f7-\u0481\u048a-\u0527\u0531-\u0556\u0559\u0561-\u0587\u05d0-\u05ea\u05f0-\u05f2\u0620-\u064a\u066e\u066f\u0671-\u06d3\u06d5\u06e5\u06e6\u06ee\u06ef\u06fa-\u06fc\u06ff\u0710\u0712-\u072f\u074d-\u07a5\u07b1\u07ca-\u07ea\u07f4\u07f5\u07fa\u0800-\u0815\u081a\u0824\u0828\u0840-\u0858\u08a0\u08a2-\u08ac\u0904-\u0939\u093d\u0950\u0958-\u0961\u0971-\u0977\u0979-\u097f\u0985-\u098c\u098f\u0990\u0993-\u09a8\u09aa-\u09b0\u09b2\u09b6-\u09b9\u09bd\u09ce\u09dc\u09dd\u09df-\u09e1\u09f0\u09f1\u0a05-\u0a0a\u0a0f\u0a10\u0a13-\u0a28\u0a2a-\u0a30\u0a32\u0a33\u0a35\u0a36\u0a38\u0a39\u0a59-\u0a5c\u0a5e\u0a72-\u0a74\u0a85-\u0a8d\u0a8f-\u0a91\u0a93-\u0aa8\u0aaa-\u0ab0\u0ab2\u0ab3\u0ab5-\u0ab9\u0abd\u0ad0\u0ae0\u0ae1\u0b05-\u0b0c\u0b0f\u0b10\u0b13-\u0b28\u0b2a-\u0b30\u0b32\u0b33\u0b35-\u0b39\u0b3d\u0b5c\u0b5d\u0b5f-\u0b61\u0b71\u0b83\u0b85-\u0b8a\u0b8e-\u0b90\u0b92-\u0b95\u0b99\u0b9a\u0b9c\u0b9e\u0b9f\u0ba3\u0ba4\u0ba8-\u0baa\u0bae-\u0bb9\u0bd0\u0c05-\u0c0c\u0c0e-\u0c10\u0c12-\u0c28\u0c2a-\u0c33\u0c35-\u0c39\u0c3d\u0c58\u0c59\u0c60\u0c61\u0c85-\u0c8c\u0c8e-\u0c90\u0c92-\u0ca8\u0caa-\u0cb3\u0cb5-\u0cb9\u0cbd\u0cde\u0ce0\u0ce1\u0cf1\u0cf2\u0d05-\u0d0c\u0d0e-\u0d10\u0d12-\u0d3a\u0d3d\u0d4e\u0d60\u0d61\u0d7a-\u0d7f\u0d85-\u0d96\u0d9a-\u0db1\u0db3-\u0dbb\u0dbd\u0dc0-\u0dc6\u0e01-\u0e30\u0e32\u0e33\u0e40-\u0e46\u0e81\u0e82\u0e84\u0e87\u0e88\u0e8a\u0e8d\u0e94-\u0e97\u0e99-\u0e9f\u0ea1-\u0ea3\u0ea5\u0ea7\u0eaa\u0eab\u0ead-\u0eb0\u0eb2\u0eb3\u0ebd\u0ec0-\u0ec4\u0ec6\u0edc-\u0edf\u0f00\u0f40-\u0f47\u0f49-\u0f6c\u0f88-\u0f8c\u1000-\u102a\u103f\u1050-\u1055\u105a-\u105d\u1061\u1065\u1066\u106e-\u1070\u1075-\u1081\u108e\u10a0-\u10c5\u10c7\u10cd\u10d0-\u10fa\u10fc-\u1248\u124a-\u124d\u1250-\u1256\u1258\u125a-\u125d\u1260-\u1288\u128a-\u128d\u1290-\u12b0\u12b2-\u12b5\u12b8-\u12be\u12c0\u12c2-\u12c5\u12c8-\u12d6\u12d8-\u1310\u1312-\u1315\u1318-\u135a\u1380-\u138f\u13a0-\u13f4\u1401-\u166c\u166f-\u167f\u1681-\u169a\u16a0-\u16ea\u16ee-\u16f0\u1700-\u170c\u170e-\u1711\u1720-\u1731\u1740-\u1751\u1760-\u176c\u176e-\u1770\u1780-\u17b3\u17d7\u17dc\u1820-\u1877\u1880-\u18a8\u18aa\u18b0-\u18f5\u1900-\u191c\u1950-\u196d\u1970-\u1974\u1980-\u19ab\u19c1-\u19c7\u1a00-\u1a16\u1a20-\u1a54\u1aa7\u1b05-\u1b33\u1b45-\u1b4b\u1b83-\u1ba0\u1bae\u1baf\u1bba-\u1be5\u1c00-\u1c23\u1c4d-\u1c4f\u1c5a-\u1c7d\u1ce9-\u1cec\u1cee-\u1cf1\u1cf5\u1cf6\u1d00-\u1dbf\u1e00-\u1f15\u1f18-\u1f1d\u1f20-\u1f45\u1f48-\u1f4d\u1f50-\u1f57\u1f59\u1f5b\u1f5d\u1f5f-\u1f7d\u1f80-\u1fb4\u1fb6-\u1fbc\u1fbe\u1fc2-\u1fc4\u1fc6-\u1fcc\u1fd0-\u1fd3\u1fd6-\u1fdb\u1fe0-\u1fec\u1ff2-\u1ff4\u1ff6-\u1ffc\u2071\u207f\u2090-\u209c\u2102\u2107\u210a-\u2113\u2115\u2119-\u211d\u2124\u2126\u2128\u212a-\u212d\u212f-\u2139\u213c-\u213f\u2145-\u2149\u214e\u2160-\u2188\u2c00-\u2c2e\u2c30-\u2c5e\u2c60-\u2ce4\u2ceb-\u2cee\u2cf2\u2cf3\u2d00-\u2d25\u2d27\u2d2d\u2d30-\u2d67\u2d6f\u2d80-\u2d96\u2da0-\u2da6\u2da8-\u2dae\u2db0-\u2db6\u2db8-\u2dbe\u2dc0-\u2dc6\u2dc8-\u2dce\u2dd0-\u2dd6\u2dd8-\u2dde\u2e2f\u3005-\u3007\u3021-\u3029\u3031-\u3035\u3038-\u303c\u3041-\u3096\u309d-\u309f\u30a1-\u30fa\u30fc-\u30ff\u3105-\u312d\u3131-\u318e\u31a0-\u31ba\u31f0-\u31ff\u3400-\u4db5\u4e00-\u9fcc\ua000-\ua48c\ua4d0-\ua4fd\ua500-\ua60c\ua610-\ua61f\ua62a\ua62b\ua640-\ua66e\ua67f-\ua697\ua6a0-\ua6ef\ua717-\ua71f\ua722-\ua788\ua78b-\ua78e\ua790-\ua793\ua7a0-\ua7aa\ua7f8-\ua801\ua803-\ua805\ua807-\ua80a\ua80c-\ua822\ua840-\ua873\ua882-\ua8b3\ua8f2-\ua8f7\ua8fb\ua90a-\ua925\ua930-\ua946\ua960-\ua97c\ua984-\ua9b2\ua9cf\uaa00-\uaa28\uaa40-\uaa42\uaa44-\uaa4b\uaa60-\uaa76\uaa7a\uaa80-\uaaaf\uaab1\uaab5\uaab6\uaab9-\uaabd\uaac0\uaac2\uaadb-\uaadd\uaae0-\uaaea\uaaf2-\uaaf4\uab01-\uab06\uab09-\uab0e\uab11-\uab16\uab20-\uab26\uab28-\uab2e\uabc0-\uabe2\uac00-\ud7a3\ud7b0-\ud7c6\ud7cb-\ud7fb\uf900-\ufa6d\ufa70-\ufad9\ufb00-\ufb06\ufb13-\ufb17\ufb1d\ufb1f-\ufb28\ufb2a-\ufb36\ufb38-\ufb3c\ufb3e\ufb40\ufb41\ufb43\ufb44\ufb46-\ufbb1\ufbd3-\ufd3d\ufd50-\ufd8f\ufd92-\ufdc7\ufdf0-\ufdfb\ufe70-\ufe74\ufe76-\ufefc\uff21-\uff3a\uff41-\uff5a\uff66-\uffbe\uffc2-\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]'),
- NonAsciiIdentifierPart: new 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\uffc7\uffca-\uffcf\uffd2-\uffd7\uffda-\uffdc]')
- };
- // 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.
- function assert(condition, message) {
- if (!condition) {
- throw new Error('ASSERT: ' + message);
- }
- }
- function sliceSource(from, to) {
- return source.slice(from, to);
- }
- if (typeof 'esprima'[0] === 'undefined') {
- sliceSource = function sliceArraySource(from, to) {
- return source.slice(from, to).join('');
- };
- }
- function isDecimalDigit(ch) {
- return '0123456789'.indexOf(ch) >= 0;
- }
- function isHexDigit(ch) {
- return '0123456789abcdefABCDEF'.indexOf(ch) >= 0;
- }
- function isOctalDigit(ch) {
- return '01234567'.indexOf(ch) >= 0;
- }
- // 7.2 White Space
- function isWhiteSpace(ch) {
- return (ch === ' ') || (ch === '\u0009') || (ch === '\u000B') ||
- (ch === '\u000C') || (ch === '\u00A0') ||
- (ch.charCodeAt(0) >= 0x1680 &&
- '\u1680\u180E\u2000\u2001\u2002\u2003\u2004\u2005\u2006\u2007\u2008\u2009\u200A\u202F\u205F\u3000\uFEFF'.indexOf(ch) >= 0);
- }
- // 7.3 Line Terminators
- function isLineTerminator(ch) {
- return (ch === '\n' || ch === '\r' || ch === '\u2028' || ch === '\u2029');
- }
- // 7.6 Identifier Names and Identifiers
- function isIdentifierStart(ch) {
- return (ch === '$') || (ch === '_') || (ch === '\\') ||
- (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
- ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierStart.test(ch));
- }
- function isIdentifierPart(ch) {
- return (ch === '$') || (ch === '_') || (ch === '\\') ||
- (ch >= 'a' && ch <= 'z') || (ch >= 'A' && ch <= 'Z') ||
- ((ch >= '0') && (ch <= '9')) ||
- ((ch.charCodeAt(0) >= 0x80) && Regex.NonAsciiIdentifierPart.test(ch));
- }
- // 7.6.1.2 Future Reserved Words
- function isFutureReservedWord(id) {
- return ['class', 'enum', 'export', 'extends', 'import', 'super'].
- indexOf(id) >= 0;
- }
- function isStrictModeReservedWord(id) {
- return ['implements', 'interface', 'package', 'private', 'protected',
- 'public', 'static', 'yield', 'let'].indexOf(id) >= 0;
- }
- function isRestrictedWord(id) {
- return id === 'eval' || id === 'arguments';
- }
- // 7.6.1.1 Keywords
- function isKeyword(id) {
- if (strict && isStrictModeReservedWord(id)) {
- return true;
- }
- // 'const' is specialized as Keyword in V8.
- // 'yield' and 'let' are for compatiblity with SpiderMonkey and ES.next.
- // Some others are from future reserved words.
- 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;
- }
- }
- // 7.4 Comments
- function skipComment() {
- var ch, blockComment, lineComment;
- blockComment = false;
- lineComment = false;
- while (index < length) {
- ch = source[index];
- if (lineComment) {
- ch = source[index++];
- if (isLineTerminator(ch)) {
- lineComment = false;
- if (ch === '\r' && source[index] === '\n') {
- ++index;
- }
- ++lineNumber;
- lineStart = index;
- }
- } else if (blockComment) {
- if (isLineTerminator(ch)) {
- if (ch === '\r' && source[index + 1] === '\n') {
- ++index;
- }
- ++lineNumber;
- ++index;
- lineStart = index;
- if (index >= length) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- } else {
- ch = source[index++];
- if (index >= length) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- if (ch === '*') {
- ch = source[index];
- if (ch === '/') {
- ++index;
- blockComment = false;
- }
- }
- }
- } else if (ch === '/') {
- ch = source[index + 1];
- if (ch === '/') {
- index += 2;
- lineComment = true;
- } else if (ch === '*') {
- index += 2;
- blockComment = true;
- if (index >= length) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- } else {
- break;
- }
- } else if (isWhiteSpace(ch)) {
- ++index;
- } else if (isLineTerminator(ch)) {
- ++index;
- if (ch === '\r' && source[index] === '\n') {
- ++index;
- }
- ++lineNumber;
- lineStart = index;
- } else {
- break;
- }
- }
- }
- function scanHexEscape(prefix) {
- var i, len, ch, code = 0;
- len = (prefix === 'u') ? 4 : 2;
- for (i = 0; i < len; ++i) {
- if (index < length && isHexDigit(source[index])) {
- ch = source[index++];
- code = code * 16 + '0123456789abcdef'.indexOf(ch.toLowerCase());
- } else {
- return '';
- }
- }
- return String.fromCharCode(code);
- }
- function getEscapedIdentifier() {
- var ch, id, restore, type;
- ch = id = source[index++];
- if (ch === '\\') {
- if (source[index] !== 'u') {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- ++index;
- restore = index;
- ch = scanHexEscape('u');
- if (ch) {
- if (ch === '\\' || !isIdentifierStart(ch)) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- id = ch;
- } else {
- index = restore;
- id = 'u';
- }
- }
- while (index < length) {
- ch = source[index];
- if (!isIdentifierPart(ch)) {
- break;
- }
- ++index;
- id += ch;
- if (ch === '\\') {
- id = id.substr(0, id.length - 1);
- if (source[index] !== 'u') {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- ++index;
- restore = index;
- ch = scanHexEscape('u');
- if (ch) {
- if (ch === '\\' || !isIdentifierPart(ch)) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- id += ch;
- } else {
- index = restore;
- id += 'u';
- }
- }
- }
- return id;
- }
- function getIdentifier() {
- var start, ch;
- start = index++;
- while (index < length) {
- ch = source[index];
- if (ch === '\\') {
- index = start;
- return getEscapedIdentifier();
- }
- if (isIdentifierPart(ch)) {
- ++index;
- } else {
- break;
- }
- }
- return sliceSource(start, index);
- }
- function scanIdentifier() {
- var start, id, type;
- start = index;
- if (!isIdentifierStart(source[index])) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- id = (source[index] === '\\') ? getEscapedIdentifier() : getIdentifier();
- // There is no keyword or literal with only one character.
- // Thus, it must be an identifier.
- if (id.length === 1) {
- type = Token.Identifier;
- } else if (isKeyword(id)) {
- type = Token.Keyword;
- } else if (id === 'null') {
- type = Token.NullLiteral;
- } else if (id === 'true' || id === 'false') {
- type = Token.BooleanLiteral;
- } else {
- type = Token.Identifier;
- }
- return {
- type: type,
- value: id,
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- // 7.7 Punctuators
- function scanPunctuator() {
- var start = index,
- ch1 = source[index],
- ch2,
- ch3,
- ch4;
- // Check for most common single-character punctuators.
- if (ch1 === '.' || ch1 === '(' || ch1 === ')' || ch1 === ';' || ch1 === ',' ||
- ch1 === '{' || ch1 === '}' || ch1 === '[' || ch1 === ']' ||
- ch1 === ':' || ch1 === '?' || ch1 === '~') {
- ++index;
- return {
- type: Token.Punctuator,
- value: ch1,
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- // Peek more characters.
- ch2 = source[index + 1];
- ch3 = source[index + 2];
- ch4 = source[index + 3];
- // 4-character punctuator: >>>=
- if (ch1 === '>' && ch2 === '>' && ch3 === '>') {
- if (ch4 === '=') {
- index += 4;
- return {
- type: Token.Punctuator,
- value: '>>>=',
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- }
- // 3-character punctuators: === !== >>> <<= >>=
- if (ch1 === '=' && ch2 === '=' && ch3 === '=') {
- index += 3;
- return {
- type: Token.Punctuator,
- value: '===',
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- if (ch1 === '!' && ch2 === '=' && ch3 === '=') {
- index += 3;
- return {
- type: Token.Punctuator,
- value: '!==',
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- if (ch1 === '>' && ch2 === '>' && ch3 === '>') {
- index += 3;
- return {
- type: Token.Punctuator,
- value: '>>>',
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- if (ch1 === '<' && ch2 === '<' && ch3 === '=') {
- index += 3;
- return {
- type: Token.Punctuator,
- value: '<<=',
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- if (ch1 === '>' && ch2 === '>' && ch3 === '=') {
- index += 3;
- return {
- type: Token.Punctuator,
- value: '>>=',
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- // 2-character punctuators: <= >= == != ++ -- << >> && ||
- // += -= *= %= &= |= ^= /=
- if (ch1 === ch2 && ('+-<>&|'.indexOf(ch1) >= 0)) {
- if ('+-<>&|'.indexOf(ch2) >= 0) {
- index += 2;
- return {
- type: Token.Punctuator,
- value: ch1 + ch2,
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- }
- if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
- ++index;
- if (ch2 === '=') {
- ++index;
- ch1 += ch2;
- }
- return {
- type: Token.Punctuator,
- value: ch1,
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- // 7.8.3 Numeric Literals
- function scanNumericLiteral() {
- var number, start, ch;
- ch = source[index];
- assert(isDecimalDigit(ch) || (ch === '.'),
- 'Numeric literal must start with a decimal digit or a decimal point');
- start = index;
- number = '';
- if (ch !== '.') {
- number = source[index++];
- ch = source[index];
- // Hex number starts with '0x'.
- // Octal number starts with '0'.
- if (number === '0') {
- if (ch === 'x' || ch === 'X') {
- number += source[index++];
- while (index < length) {
- ch = source[index];
- if (!isHexDigit(ch)) {
- break;
- }
- number += source[index++];
- }
- if (number.length <= 2) {
- // only 0x
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- if (index < length) {
- ch = source[index];
- if (isIdentifierStart(ch)) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- }
- return {
- type: Token.NumericLiteral,
- value: parseInt(number, 16),
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- if (isOctalDigit(ch)) {
- number += source[index++];
- while (index < length) {
- ch = source[index];
- if (!isOctalDigit(ch)) {
- break;
- }
- number += source[index++];
- }
- if (index < length) {
- ch = source[index];
- if (isIdentifierStart(ch) || isDecimalDigit(ch)) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- }
- return {
- type: Token.NumericLiteral,
- value: parseInt(number, 8),
- octal: true,
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- // decimal number starts with '0' such as '09' is illegal.
- if (isDecimalDigit(ch)) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- }
- while (index < length) {
- ch = source[index];
- if (!isDecimalDigit(ch)) {
- break;
- }
- number += source[index++];
- }
- }
- if (ch === '.') {
- number += source[index++];
- while (index < length) {
- ch = source[index];
- if (!isDecimalDigit(ch)) {
- break;
- }
- number += source[index++];
- }
- }
- if (ch === 'e' || ch === 'E') {
- number += source[index++];
- ch = source[index];
- if (ch === '+' || ch === '-') {
- number += source[index++];
- }
- ch = source[index];
- if (isDecimalDigit(ch)) {
- number += source[index++];
- while (index < length) {
- ch = source[index];
- if (!isDecimalDigit(ch)) {
- break;
- }
- number += source[index++];
- }
- } else {
- ch = 'character ' + ch;
- if (index >= length) {
- ch = '<end>';
- }
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- }
- if (index < length) {
- ch = source[index];
- if (isIdentifierStart(ch)) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- }
- return {
- type: Token.NumericLiteral,
- value: parseFloat(number),
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- // 7.8.4 String Literals
- function scanStringLiteral() {
- var str = '', quote, start, ch, code, unescaped, restore, octal = false;
- quote = source[index];
- assert((quote === '\'' || quote === '"'),
- 'String literal must starts with a quote');
- start = index;
- ++index;
- while (index < length) {
- ch = source[index++];
- if (ch === quote) {
- quote = '';
- break;
- } else if (ch === '\\') {
- ch = source[index++];
- if (!isLineTerminator(ch)) {
- switch (ch) {
- case 'n':
- str += '\n';
- break;
- case 'r':
- str += '\r';
- break;
- case 't':
- str += '\t';
- break;
- case 'u':
- case 'x':
- restore = index;
- unescaped = scanHexEscape(ch);
- if (unescaped) {
- str += unescaped;
- } else {
- index = restore;
- str += ch;
- }
- break;
- case 'b':
- str += '\b';
- break;
- case 'f':
- str += '\f';
- break;
- case 'v':
- str += '\v';
- break;
- default:
- if (isOctalDigit(ch)) {
- code = '01234567'.indexOf(ch);
- // \0 is not octal escape sequence
- if (code !== 0) {
- octal = true;
- }
- if (index < length && isOctalDigit(source[index])) {
- octal = true;
- code = code * 8 + '01234567'.indexOf(source[index++]);
- // 3 digits are only allowed when string starts
- // with 0, 1, 2, 3
- if ('0123'.indexOf(ch) >= 0 &&
- index < length &&
- isOctalDigit(source[index])) {
- code = code * 8 + '01234567'.indexOf(source[index++]);
- }
- }
- str += String.fromCharCode(code);
- } else {
- str += ch;
- }
- break;
- }
- } else {
- ++lineNumber;
- if (ch === '\r' && source[index] === '\n') {
- ++index;
- }
- }
- } else if (isLineTerminator(ch)) {
- break;
- } else {
- str += ch;
- }
- }
- if (quote !== '') {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- return {
- type: Token.StringLiteral,
- value: str,
- octal: octal,
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [start, index]
- };
- }
- function scanRegExp() {
- var str, ch, start, pattern, flags, value, classMarker = false, restore, terminated = false;
- lookahead = null;
- skipComment();
- start = index;
- ch = source[index];
- assert(ch === '/', 'Regular expression literal must start with a slash');
- str = source[index++];
- while (index < length) {
- ch = source[index++];
- str += ch;
- if (classMarker) {
- if (ch === ']') {
- classMarker = false;
- }
- } else {
- if (ch === '\\') {
- ch = source[index++];
- // ECMA-262 7.8.5
- if (isLineTerminator(ch)) {
- throwError({}, Messages.UnterminatedRegExp);
- }
- str += ch;
- } else if (ch === '/') {
- terminated = true;
- break;
- } else if (ch === '[') {
- classMarker = true;
- } else if (isLineTerminator(ch)) {
- throwError({}, Messages.UnterminatedRegExp);
- }
- }
- }
- if (!terminated) {
- throwError({}, Messages.UnterminatedRegExp);
- }
- // Exclude leading and trailing slash.
- pattern = str.substr(1, str.length - 2);
- flags = '';
- while (index < length) {
- ch = source[index];
- if (!isIdentifierPart(ch)) {
- break;
- }
- ++index;
- if (ch === '\\' && index < length) {
- ch = source[index];
- if (ch === 'u') {
- ++index;
- restore = index;
- ch = scanHexEscape('u');
- if (ch) {
- flags += ch;
- for (str += '\\u'; restore < index; ++restore) {
- str += source[restore];
- }
- } else {
- index = restore;
- flags += 'u';
- str += '\\u';
- }
- } else {
- str += '\\';
- }
- } else {
- flags += ch;
- str += ch;
- }
- }
- try {
- value = new RegExp(pattern, flags);
- } catch (e) {
- throwError({}, Messages.InvalidRegExp);
- }
- peek();
- return {
- literal: str,
- value: value,
- range: [start, index]
- };
- }
- function isIdentifierName(token) {
- return token.type === Token.Identifier ||
- token.type === Token.Keyword ||
- token.type === Token.BooleanLiteral ||
- token.type === Token.NullLiteral;
- }
- function advance() {
- var ch;
- skipComment();
- if (index >= length) {
- return {
- type: Token.EOF,
- lineNumber: lineNumber,
- lineStart: lineStart,
- range: [index, index]
- };
- }
- ch = source[index];
- if (isIdentifierStart(ch)) {
- return scanIdentifier();
- }
- if (ch === '.') {
- // Dot (.) can also start a floating-point number, hence the need
- // to check the next character.
- if (isDecimalDigit(source[index + 1])) {
- return scanNumericLiteral();
- }
- return scanPunctuator();
- }
- if (ch === '\'' || ch === '"') {
- return scanStringLiteral();
- }
- if (isDecimalDigit(ch)) {
- return scanNumericLiteral();
- }
- return scanPunctuator();
- }
- function lex() {
- var token;
- token = lookahead;
- index = token.range[1];
- lineNumber = token.lineNumber;
- lineStart = token.lineStart;
- lookahead = advance();
- index = token.range[1];
- lineNumber = token.lineNumber;
- lineStart = token.lineStart;
- return token;
- }
- function peek() {
- var pos, line, start;
- pos = index;
- line = lineNumber;
- start = lineStart;
- lookahead = advance();
- index = pos;
- lineNumber = line;
- lineStart = start;
- }
- SyntaxTreeDelegate = {
- name: 'SyntaxTree',
- createArrayExpression: function (elements) {
- return {
- type: Syntax.ArrayExpression,
- elements: elements
- };
- },
- createAssignmentExpression: function (operator, left, right) {
- return {
- type: Syntax.AssignmentExpression,
- operator: operator,
- left: left,
- right: right
- };
- },
- createBinaryExpression: function (operator, left, right) {
- return {
- type: Syntax.BinaryExpression,
- operator: operator,
- left: left,
- right: right
- };
- },
- createBlockStatement: function (body) {
- return {
- type: Syntax.BlockStatement,
- body: body
- };
- },
- createBreakStatement: function (label) {
- return {
- type: Syntax.BreakStatement,
- label: label
- };
- },
- createCallExpression: function (callee, args) {
- return {
- type: Syntax.CallExpression,
- callee: callee,
- 'arguments': args
- };
- },
- createCatchClause: function (param, body) {
- return {
- type: Syntax.CatchClause,
- param: param,
- body: body
- };
- },
- createConditionalExpression: function (test, consequent, alternate) {
- return {
- type: Syntax.ConditionalExpression,
- test: test,
- consequent: consequent,
- alternate: alternate
- };
- },
- createContinueStatement: function (label) {
- return {
- type: Syntax.ContinueStatement,
- label: label
- };
- },
- createDebuggerStatement: function () {
- return {
- type: Syntax.DebuggerStatement
- };
- },
- createDoWhileStatement: function (body, test) {
- return {
- type: Syntax.DoWhileStatement,
- body: body,
- test: test
- };
- },
- createEmptyStatement: function () {
- return {
- type: Syntax.EmptyStatement
- };
- },
- createExpressionStatement: function (expression) {
- return {
- type: Syntax.ExpressionStatement,
- expression: expression
- };
- },
- createForStatement: function (init, test, update, body) {
- return {
- type: Syntax.ForStatement,
- init: init,
- test: test,
- update: update,
- body: body
- };
- },
- createForInStatement: function (left, right, body) {
- return {
- type: Syntax.ForInStatement,
- left: left,
- right: right,
- body: body,
- each: false
- };
- },
- createFunctionDeclaration: function (id, params, defaults, body) {
- return {
- type: Syntax.FunctionDeclaration,
- id: id,
- params: params,
- defaults: defaults,
- body: body,
- rest: null,
- generator: false,
- expression: false
- };
- },
- createFunctionExpression: function (id, params, defaults, body) {
- return {
- type: Syntax.FunctionExpression,
- id: id,
- params: params,
- defaults: defaults,
- body: body,
- rest: null,
- generator: false,
- expression: false
- };
- },
- createIdentifier: function (name) {
- return {
- type: Syntax.Identifier,
- name: name
- };
- },
- createIfStatement: function (test, consequent, alternate) {
- return {
- type: Syntax.IfStatement,
- test: test,
- consequent: consequent,
- alternate: alternate
- };
- },
- createLabeledStatement: function (label, body) {
- return {
- type: Syntax.LabeledStatement,
- label: label,
- body: body
- };
- },
- createLiteral: function (token) {
- return {
- type: Syntax.Literal,
- value: token.value,
- raw: sliceSource(token.range[0], token.range[1])
- };
- },
- createLogicalExpression: function (operator, left, right) {
- return {
- type: Syntax.LogicalExpression,
- operator: operator,
- left: left,
- right: right
- };
- },
- createMemberExpression: function (accessor, object, property) {
- return {
- type: Syntax.MemberExpression,
- computed: accessor === '[',
- object: object,
- property: property
- };
- },
- createNewExpression: function (callee, args) {
- return {
- type: Syntax.NewExpression,
- callee: callee,
- 'arguments': args
- };
- },
- createObjectExpression: function (properties) {
- return {
- type: Syntax.ObjectExpression,
- properties: properties
- };
- },
- createPostfixExpression: function (operator, argument) {
- return {
- type: Syntax.UpdateExpression,
- operator: operator,
- argument: argument,
- prefix: false
- };
- },
- createProgram: function (body) {
- return {
- type: Syntax.Program,
- body: body
- };
- },
- createProperty: function (kind, key, value) {
- return {
- type: Syntax.Property,
- key: key,
- value: value,
- kind: kind
- };
- },
- createReturnStatement: function (argument) {
- return {
- type: Syntax.ReturnStatement,
- argument: argument
- };
- },
- createSequenceExpression: function (expressions) {
- return {
- type: Syntax.SequenceExpression,
- expressions: expressions
- };
- },
- createSwitchCase: function (test, consequent) {
- return {
- type: Syntax.SwitchCase,
- test: test,
- consequent: consequent
- };
- },
- createSwitchStatement: function (discriminant, cases) {
- return {
- type: Syntax.SwitchStatement,
- discriminant: discriminant,
- cases: cases
- };
- },
- createThisExpression: function () {
- return {
- type: Syntax.ThisExpression
- };
- },
- createThrowStatement: function (argument) {
- return {
- type: Syntax.ThrowStatement,
- argument: argument
- };
- },
- createTryStatement: function (block, guardedHandlers, handlers, finalizer) {
- return {
- type: Syntax.TryStatement,
- block: block,
- guardedHandlers: guardedHandlers,
- handlers: handlers,
- finalizer: finalizer
- };
- },
- createUnaryExpression: function (operator, argument) {
- if (operator === '++' || operator === '--') {
- return {
- type: Syntax.UpdateExpression,
- operator: operator,
- argument: argument,
- prefix: true
- };
- }
- return {
- type: Syntax.UnaryExpression,
- operator: operator,
- argument: argument
- };
- },
- createVariableDeclaration: function (declarations, kind) {
- return {
- type: Syntax.VariableDeclaration,
- declarations: declarations,
- kind: kind
- };
- },
- createVariableDeclarator: function (id, init) {
- return {
- type: Syntax.VariableDeclarator,
- id: id,
- init: init
- };
- },
- createWhileStatement: function (test, body) {
- return {
- type: Syntax.WhileStatement,
- test: test,
- body: body
- };
- },
- createWithStatement: function (object, body) {
- return {
- type: Syntax.WithStatement,
- object: object,
- body: body
- };
- }
- };
- // Return true if there is a line terminator before the next token.
- function peekLineTerminator() {
- var pos, line, start, found;
- pos = index;
- line = lineNumber;
- start = lineStart;
- skipComment();
- found = lineNumber !== line;
- index = pos;
- lineNumber = line;
- lineStart = start;
- return found;
- }
- // Throw an exception
- function throwError(token, messageFormat) {
- var error,
- args = Array.prototype.slice.call(arguments, 2),
- msg = messageFormat.replace(
- /%(\d)/g,
- function (whole, index) {
- return args[index] || '';
- }
- );
- if (typeof token.lineNumber === 'number') {
- error = new Error('Line ' + token.lineNumber + ': ' + msg);
- error.index = token.range[0];
- error.lineNumber = token.lineNumber;
- error.column = token.range[0] - lineStart + 1;
- } else {
- error = new Error('Line ' + lineNumber + ': ' + msg);
- error.index = index;
- error.lineNumber = lineNumber;
- error.column = index - lineStart + 1;
- }
- throw error;
- }
- function throwErrorTolerant() {
- try {
- throwError.apply(null, arguments);
- } catch (e) {
- if (extra.errors) {
- extra.errors.push(e);
- } else {
- throw e;
- }
- }
- }
- // Throw an exception because of the token.
- function throwUnexpected(token) {
- if (token.type === Token.EOF) {
- throwError(token, Messages.UnexpectedEOS);
- }
- if (token.type === Token.NumericLiteral) {
- throwError(token, Messages.UnexpectedNumber);
- }
- if (token.type === Token.StringLiteral) {
- throwError(token, Messages.UnexpectedString);
- }
- if (token.type === Token.Identifier) {
- throwError(token, Messages.UnexpectedIdentifier);
- }
- if (token.type === Token.Keyword) {
- if (isFutureReservedWord(token.value)) {
- throwError(token, Messages.UnexpectedReserved);
- } else if (strict && isStrictModeReservedWord(token.value)) {
- throwErrorTolerant(token, Messages.StrictReservedWord);
- return;
- }
- throwError(token, Messages.UnexpectedToken, token.value);
- }
- // BooleanLiteral, NullLiteral, or Punctuator.
- throwError(token, Messages.UnexpectedToken, token.value);
- }
- // Expect the next token to match the specified punctuator.
- // If not, an exception will be thrown.
- function expect(value) {
- var token = lex();
- if (token.type !== Token.Punctuator || token.value !== value) {
- throwUnexpected(token);
- }
- }
- // Expect the next token to match the specified keyword.
- // If not, an exception will be thrown.
- function expectKeyword(keyword) {
- var token = lex();
- if (token.type !== Token.Keyword || token.value !== keyword) {
- throwUnexpected(token);
- }
- }
- // Return true if the next token matches the specified punctuator.
- function match(value) {
- return lookahead.type === Token.Punctuator && lookahead.value === value;
- }
- // Return true if the next token matches the specified keyword
- function matchKeyword(keyword) {
- return lookahead.type === Token.Keyword && lookahead.value === keyword;
- }
- // Return true if the next token is an assignment operator
- function matchAssign() {
- var op;
- if (lookahead.type !== Token.Punctuator) {
- return false;
- }
- op = lookahead.value;
- return op === '=' ||
- op === '*=' ||
- op === '/=' ||
- op === '%=' ||
- op === '+=' ||
- op === '-=' ||
- op === '<<=' ||
- op === '>>=' ||
- op === '>>>=' ||
- op === '&=' ||
- op === '^=' ||
- op === '|=';
- }
- function consumeSemicolon() {
- var line;
- // Catch the very common case first.
- if (source[index] === ';') {
- lex();
- return;
- }
- line = lineNumber;
- skipComment();
- if (lineNumber !== line) {
- return;
- }
- if (match(';')) {
- lex();
- return;
- }
- if (lookahead.type !== Token.EOF && !match('}')) {
- throwUnexpected(lookahead);
- }
- }
- // Return true if provided expression is LeftHandSideExpression
- function isLeftHandSide(expr) {
- return expr.type === Syntax.Identifier || expr.type === Syntax.MemberExpression;
- }
- // 11.1.4 Array Initialiser
- function parseArrayInitialiser() {
- var elements = [];
- expect('[');
- while (!match(']')) {
- if (match(',')) {
- lex();
- elements.push(null);
- } else {
- elements.push(parseAssignmentExpression());
- if (!match(']')) {
- expect(',');
- }
- }
- }
- expect(']');
- return delegate.createArrayExpression(elements);
- }
- // 11.1.5 Object Initialiser
- function parsePropertyFunction(param, first) {
- var previousStrict, body;
- previousStrict = strict;
- body = parseFunctionSourceElements();
- if (first && strict && isRestrictedWord(param[0].name)) {
- throwErrorTolerant(first, Messages.StrictParamName);
- }
- strict = previousStrict;
- return delegate.createFunctionExpression(null, param, [], body);
- }
- function parseObjectPropertyKey() {
- var token = lex();
- // Note: This function is called only from parseObjectProperty(), where
- // EOF and Punctuator tokens are already filtered out.
- if (token.type === Token.StringLiteral || token.type === Token.NumericLiteral) {
- if (strict && token.octal) {
- throwErrorTolerant(token, Messages.StrictOctalLiteral);
- }
- return delegate.createLiteral(token);
- }
- return delegate.createIdentifier(token.value);
- }
- function parseObjectProperty() {
- var token, key, id, value, param;
- token = lookahead;
- if (token.type === Token.Identifier) {
- id = parseObjectPropertyKey();
- // Property Assignment: Getter and Setter.
- if (token.value === 'get' && !match(':')) {
- key = parseObjectPropertyKey();
- expect('(');
- expect(')');
- value = parsePropertyFunction([]);
- return delegate.createProperty('get', key, value);
- }
- if (token.value === 'set' && !match(':')) {
- key = parseObjectPropertyKey();
- expect('(');
- token = lookahead;
- if (token.type !== Token.Identifier) {
- throwUnexpected(lex());
- }
- param = [ parseVariableIdentifier() ];
- expect(')');
- value = parsePropertyFunction(param, token);
- return delegate.createProperty('set', key, value);
- }
- expect(':');
- value = parseAssignmentExpression();
- return delegate.createProperty('init', id, value);
- }
- if (token.type === Token.EOF || token.type === Token.Punctuator) {
- throwUnexpected(token);
- } else {
- key = parseObjectPropertyKey();
- expect(':');
- value = parseAssignmentExpression();
- return delegate.createProperty('init', key, value);
- }
- }
- function parseObjectInitialiser() {
- var properties = [], property, name, kind, map = {}, toString = String;
- expect('{');
- while (!match('}')) {
- property = parseObjectProperty();
- if (property.key.type === Syntax.Identifier) {
- name = property.key.name;
- } else {
- name = toString(property.key.value);
- }
- kind = (property.kind === 'init') ? PropertyKind.Data : (property.kind === 'get') ? PropertyKind.Get : PropertyKind.Set;
- if (Object.prototype.hasOwnProperty.call(map, name)) {
- if (map[name] === PropertyKind.Data) {
- if (strict && kind === PropertyKind.Data) {
- throwErrorTolerant({}, Messages.StrictDuplicateProperty);
- } else if (kind !== PropertyKind.Data) {
- throwErrorTolerant({}, Messages.AccessorDataProperty);
- }
- } else {
- if (kind === PropertyKind.Data) {
- throwErrorTolerant({}, Messages.AccessorDataProperty);
- } else if (map[name] & kind) {
- throwErrorTolerant({}, Messages.AccessorGetSet);
- }
- }
- map[name] |= kind;
- } else {
- map[name] = kind;
- }
- properties.push(property);
- if (!match('}')) {
- expect(',');
- }
- }
- expect('}');
- return delegate.createObjectExpression(properties);
- }
- // 11.1.6 The Grouping Operator
- function parseGroupExpression() {
- var expr;
- expect('(');
- expr = parseExpression();
- expect(')');
- return expr;
- }
- // 11.1 Primary Expressions
- function parsePrimaryExpression() {
- var type, token;
- type = lookahead.type;
- if (type === Token.Identifier) {
- return delegate.createIdentifier(lex().value);
- }
- if (type === Token.StringLiteral || type === Token.NumericLiteral) {
- if (strict && lookahead.octal) {
- throwErrorTolerant(lookahead, Messages.StrictOctalLiteral);
- }
- return delegate.createLiteral(lex());
- }
- if (type === Token.Keyword) {
- if (matchKeyword('this')) {
- lex();
- return delegate.createThisExpression();
- }
- if (matchKeyword('function')) {
- return parseFunctionExpression();
- }
- }
- if (type === Token.BooleanLiteral) {
- token = lex();
- token.value = (token.value === 'true');
- return delegate.createLiteral(token);
- }
- if (type === Token.NullLiteral) {
- token = lex();
- token.value = null;
- return delegate.createLiteral(token);
- }
- if (match('[')) {
- return parseArrayInitialiser();
- }
- if (match('{')) {
- return parseObjectInitialiser();
- }
- if (match('(')) {
- return parseGroupExpression();
- }
- if (match('/') || match('/=')) {
- return delegate.createLiteral(scanRegExp());
- }
- return throwUnexpected(lex());
- }
- // 11.2 Left-Hand-Side Expressions
- function parseArguments() {
- var args = [];
- expect('(');
- if (!match(')')) {
- while (index < length) {
- args.push(parseAssignmentExpression());
- if (match(')')) {
- break;
- }
- expect(',');
- }
- }
- expect(')');
- return args;
- }
- function parseNonComputedProperty() {
- var token = lex();
- if (!isIdentifierName(token)) {
- throwUnexpected(token);
- }
- return delegate.createIdentifier(token.value);
- }
- function parseNonComputedMember() {
- expect('.');
- return parseNonComputedProperty();
- }
- function parseComputedMember() {
- var expr;
- expect('[');
- expr = parseExpression();
- expect(']');
- return expr;
- }
- function parseNewExpression() {
- var callee, args;
- expectKeyword('new');
- callee = parseLeftHandSideExpression();
- args = match('(') ? parseArguments() : [];
- return delegate.createNewExpression(callee, args);
- }
- function parseLeftHandSideExpressionAllowCall() {
- var expr, args, property;
- expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
- while (match('.') || match('[') || match('(')) {
- if (match('(')) {
- args = parseArguments();
- expr = delegate.createCallExpression(expr, args);
- } else if (match('[')) {
- property = parseComputedMember();
- expr = delegate.createMemberExpression('[', expr, property);
- } else {
- property = parseNonComputedMember();
- expr = delegate.createMemberExpression('.', expr, property);
- }
- }
- return expr;
- }
- function parseLeftHandSideExpression() {
- var expr, property;
- expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
- while (match('.') || match('[')) {
- if (match('[')) {
- property = parseComputedMember();
- expr = delegate.createMemberExpression('[', expr, property);
- } else {
- property = parseNonComputedMember();
- expr = delegate.createMemberExpression('.', expr, property);
- }
- }
- return expr;
- }
- // 11.3 Postfix Expressions
- function parsePostfixExpression() {
- var expr = parseLeftHandSideExpressionAllowCall(), token;
- if (lookahead.type !== Token.Punctuator) {
- return expr;
- }
- if ((match('++') || match('--')) && !peekLineTerminator()) {
- // 11.3.1, 11.3.2
- if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
- throwErrorTolerant({}, Messages.StrictLHSPostfix);
- }
- if (!isLeftHandSide(expr)) {
- throwError({}, Messages.InvalidLHSInAssignment);
- }
- token = lex();
- expr = delegate.createPostfixExpression(token.value, expr);
- }
- return expr;
- }
- // 11.4 Unary Operators
- function parseUnaryExpression() {
- var token, expr;
- if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
- return parsePostfixExpression();
- }
- if (match('++') || match('--')) {
- token = lex();
- expr = parseUnaryExpression();
- // 11.4.4, 11.4.5
- if (strict && expr.type === Syntax.Identifier && isRestrictedWord(expr.name)) {
- throwErrorTolerant({}, Messages.StrictLHSPrefix);
- }
- if (!isLeftHandSide(expr)) {
- throwError({}, Messages.InvalidLHSInAssignment);
- }
- return delegate.createUnaryExpression(token.value, expr);
- }
- if (match('+') || match('-') || match('~') || match('!')) {
- token = lex();
- expr = parseUnaryExpression();
- return delegate.createUnaryExpression(token.value, expr);
- }
- if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
- token = lex();
- expr = parseUnaryExpression();
- expr = delegate.createUnaryExpression(token.value, expr);
- if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
- throwErrorTolerant({}, Messages.StrictDelete);
- }
- return expr;
- }
- return parsePostfixExpression();
- }
- function binaryPrecedence(token, allowIn) {
- var prec = 0;
- if (token.type !== Token.Punctuator && token.type !== Token.Keyword) {
- return 0;
- }
- switch (token.value) {
- case '||':
- prec = 1;
- break;
- case '&&':
- prec = 2;
- break;
- case '|':
- prec = 3;
- break;
- case '^':
- prec = 4;
- break;
- case '&':
- prec = 5;
- break;
- case '==':
- case '!=':
- case '===':
- case '!==':
- prec = 6;
- break;
- case '<':
- case '>':
- case '<=':
- case '>=':
- case 'instanceof':
- prec = 7;
- break;
- case 'in':
- prec = allowIn ? 7 : 0;
- break;
- case '<<':
- case '>>':
- case '>>>':
- prec = 8;
- break;
- case '+':
- case '-':
- prec = 9;
- break;
- case '*':
- case '/':
- case '%':
- prec = 11;
- break;
- default:
- break;
- }
- return prec;
- }
- // 11.5 Multiplicative Operators
- // 11.6 Additive Operators
- // 11.7 Bitwise Shift Operators
- // 11.8 Relational Operators
- // 11.9 Equality Operators
- // 11.10 Binary Bitwise Operators
- // 11.11 Binary Logical Operators
- // Reduce: make a binary expression from the three topmost entries.
- function reduceBinary(stack) {
- var right = stack.pop(),
- operator = stack.pop().value,
- left = stack.pop();
- if (operator === '||' || operator === '&&') {
- stack.push(delegate.createLogicalExpression(operator, left, right));
- } else {
- stack.push(delegate.createBinaryExpression(operator, left, right));
- }
- }
- function parseBinaryExpression() {
- var expr, token, prec, previousAllowIn, stack;
- previousAllowIn = state.allowIn;
- state.allowIn = true;
- expr = parseUnaryExpression();
- token = lookahead;
- prec = binaryPrecedence(token, previousAllowIn);
- if (prec === 0) {
- return expr;
- }
- token.prec = prec;
- lex();
- stack = [expr, token, parseUnaryExpression()];
- while ((prec = binaryPrecedence(lookahead, previousAllowIn)) > 0) {
- // Reduce.
- while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
- reduceBinary(stack);
- }
- // Shift.
- token = lex();
- token.prec = prec;
- stack.push(token);
- stack.push(parseUnaryExpression());
- }
- // Final reduce to clean-up the stack.
- while (stack.length > 1) {
- reduceBinary(stack);
- }
- state.allowIn = previousAllowIn;
- return stack[0];
- }
- // 11.12 Conditional Operator
- function parseConditionalExpression() {
- var expr, previousAllowIn, consequent, alternate;
- expr = parseBinaryExpression();
- if (match('?')) {
- lex();
- previousAllowIn = state.allowIn;
- state.allowIn = true;
- consequent = parseAssignmentExpression();
- state.allowIn = previousAllowIn;
- expect(':');
- alternate = parseAssignmentExpression();
- expr = delegate.createConditionalExpression(expr, consequent, alternate);
- }
- return expr;
- }
- // 11.13 Assignment Operators
- function parseAssignmentExpression() {
- var token, left, right;
- token = lookahead;
- left = parseConditionalExpression();
- if (matchAssign()) {
- // LeftHandSideExpression
- if (!isLeftHandSide(left)) {
- throwError({}, Messages.InvalidLHSInAssignment);
- }
- // 11.13.1
- if (strict && left.type === Syntax.Identifier && isRestrictedWord(left.name)) {
- throwErrorTolerant(token, Messages.StrictLHSAssignment);
- }
- token = lex();
- right = parseAssignmentExpression();
- return delegate.createAssignmentExpression(token.value, left, right);
- }
- return left;
- }
- // 11.14 Comma Operator
- function parseExpression() {
- var expr = parseAssignmentExpression();
- if (match(',')) {
- expr = delegate.createSequenceExpression([ expr ]);
- while (index < length) {
- if (!match(',')) {
- break;
- }
- lex();
- expr.expressions.push(parseAssignmentExpression());
- }
- }
- return expr;
- }
- // 12.1 Block
- function parseStatementList() {
- var list = [],
- statement;
- while (index < length) {
- if (match('}')) {
- break;
- }
- statement = parseSourceElement();
- if (typeof statement === 'undefined') {
- break;
- }
- list.push(statement);
- }
- return list;
- }
- function parseBlock() {
- var block;
- expect('{');
- block = parseStatementList();
- expect('}');
- return delegate.createBlockStatement(block);
- }
- // 12.2 Variable Statement
- function parseVariableIdentifier() {
- var token = lex();
- if (token.type !== Token.Identifier) {
- throwUnexpected(token);
- }
- return delegate.createIdentifier(token.value);
- }
- function parseVariableDeclaration(kind) {
- var id = parseVariableIdentifier(),
- init = null;
- // 12.2.1
- if (strict && isRestrictedWord(id.name)) {
- throwErrorTolerant({}, Messages.StrictVarName);
- }
- if (kind === 'const') {
- expect('=');
- init = parseAssignmentExpression();
- } else if (match('=')) {
- lex();
- init = parseAssignmentExpression();
- }
- return delegate.createVariableDeclarator(id, init);
- }
- function parseVariableDeclarationList(kind) {
- var list = [];
- while (index < length) {
- list.push(parseVariableDeclaration(kind));
- if (!match(',')) {
- break;
- }
- lex();
- }
- return list;
- }
- function parseVariableStatement() {
- var declarations;
- expectKeyword('var');
- declarations = parseVariableDeclarationList();
- consumeSemicolon();
- return delegate.createVariableDeclaration(declarations, 'var');
- }
- // kind may be `const` or `let`
- // Both are experimental and not in the specification yet.
- // see http://wiki.ecmascript.org/doku.php?id=harmony:const
- // and http://wiki.ecmascript.org/doku.php?id=harmony:let
- function parseConstLetDeclaration(kind) {
- var declarations;
- expectKeyword(kind);
- declarations = parseVariableDeclarationList(kind);
- consumeSemicolon();
- return delegate.createVariableDeclaration(declarations, kind);
- }
- // 12.3 Empty Statement
- function parseEmptyStatement() {
- expect(';');
- return delegate.createEmptyStatement();
- }
- // 12.4 Expression Statement
- function parseExpressionStatement() {
- var expr = parseExpression();
- consumeSemicolon();
- return delegate.createExpressionStatement(expr);
- }
- // 12.5 If statement
- function parseIfStatement() {
- var test, consequent, alternate;
- expectKeyword('if');
- expect('(');
- test = parseExpression();
- expect(')');
- consequent = parseStatement();
- if (matchKeyword('else')) {
- lex();
- alternate = parseStatement();
- } else {
- alternate = null;
- }
- return delegate.createIfStatement(test, consequent, alternate);
- }
- // 12.6 Iteration Statements
- function parseDoWhileStatement() {
- var body, test, oldInIteration;
- expectKeyword('do');
- oldInIteration = state.inIteration;
- state.inIteration = true;
- body = parseStatement();
- state.inIteration = oldInIteration;
- expectKeyword('while');
- expect('(');
- test = parseExpression();
- expect(')');
- if (match(';')) {
- lex();
- }
- return delegate.createDoWhileStatement(body, test);
- }
- function parseWhileStatement() {
- var test, body, oldInIteration;
- expectKeyword('while');
- expect('(');
- test = parseExpression();
- expect(')');
- oldInIteration = state.inIteration;
- state.inIteration = true;
- body = parseStatement();
- state.inIteration = oldInIteration;
- return delegate.createWhileStatement(test, body);
- }
- function parseForVariableDeclaration() {
- var token = lex(),
- declarations = parseVariableDeclarationList();
- return delegate.createVariableDeclaration(declarations, token.value);
- }
- function parseForStatement() {
- var init, test, update, left, right, body, oldInIteration;
- init = test = update = null;
- expectKeyword('for');
- expect('(');
- if (match(';')) {
- lex();
- } else {
- if (matchKeyword('var') || matchKeyword('let')) {
- state.allowIn = false;
- init = parseForVariableDeclaration();
- state.allowIn = true;
- if (init.declarations.length === 1 && matchKeyword('in')) {
- lex();
- left = init;
- right = parseExpression();
- init = null;
- }
- } else {
- state.allowIn = false;
- init = parseExpression();
- state.allowIn = true;
- if (matchKeyword('in')) {
- // LeftHandSideExpression
- if (!isLeftHandSide(init)) {
- throwError({}, Messages.InvalidLHSInForIn);
- }
- lex();
- left = init;
- right = parseExpression();
- init = null;
- }
- }
- if (typeof left === 'undefined') {
- expect(';');
- }
- }
- if (typeof left === 'undefined') {
- if (!match(';')) {
- test = parseExpression();
- }
- expect(';');
- if (!match(')')) {
- update = parseExpression();
- }
- }
- expect(')');
- oldInIteration = state.inIteration;
- state.inIteration = true;
- body = parseStatement();
- state.inIteration = oldInIteration;
- return (typeof left === 'undefined') ?
- delegate.createForStatement(init, test, update, body) :
- delegate.createForInStatement(left, right, body);
- }
- // 12.7 The continue statement
- function parseContinueStatement() {
- var label = null;
- expectKeyword('continue');
- // Optimize the most common form: 'continue;'.
- if (source[index] === ';') {
- lex();
- if (!state.inIteration) {
- throwError({}, Messages.IllegalContinue);
- }
- return delegate.createContinueStatement(null);
- }
- if (peekLineTerminator()) {
- if (!state.inIteration) {
- throwError({}, Messages.IllegalContinue);
- }
- return delegate.createContinueStatement(null);
- }
- if (lookahead.type === Token.Identifier) {
- label = parseVariableIdentifier();
- if (!Object.prototype.hasOwnProperty.call(state.labelSet, label.name)) {
- throwError({}, Messages.UnknownLabel, label.name);
- }
- }
- consumeSemicolon();
- if (label === null && !state.inIteration) {
- throwError({}, Messages.IllegalContinue);
- }
- return delegate.createContinueStatement(label);
- }
- // 12.8 The break statement
- function parseBreakStatement() {
- var label = null;
- expectKeyword('break');
- // Optimize the most common form: 'break;'.
- if (source[index] === ';') {
- lex();
- if (!(state.inIteration || state.inSwitch)) {
- throwError({}, Messages.IllegalBreak);
- }
- return delegate.createBreakStatement(null);
- }
- if (peekLineTerminator()) {
- if (!(state.inIteration || state.inSwitch)) {
- throwError({}, Messages.IllegalBreak);
- }
- return delegate.createBreakStatement(null);
- }
- if (lookahead.type === Token.Identifier) {
- label = parseVariableIdentifier();
- if (!Object.prototype.hasOwnProperty.call(state.labelSet, label.name)) {
- throwError({}, Messages.UnknownLabel, label.name);
- }
- }
- consumeSemicolon();
- if (label === null && !(state.inIteration || state.inSwitch)) {
- throwError({}, Messages.IllegalBreak);
- }
- return delegate.createBreakStatement(label);
- }
- // 12.9 The return statement
- function parseReturnStatement() {
- var argument = null;
- expectKeyword('return');
- if (!state.inFunctionBody) {
- throwErrorTolerant({}, Messages.IllegalReturn);
- }
- // 'return' followed by a space and an identifier is very common.
- if (source[index] === ' ') {
- if (isIdentifierStart(source[index + 1])) {
- argument = parseExpression();
- consumeSemicolon();
- return delegate.createReturnStatement(argument);
- }
- }
- if (peekLineTerminator()) {
- return delegate.createReturnStatement(null);
- }
- if (!match(';')) {
- if (!match('}') && lookahead.type !== Token.EOF) {
- argument = parseExpression();
- }
- }
- consumeSemicolon();
- return delegate.createReturnStatement(argument);
- }
- // 12.10 The with statement
- function parseWithStatement() {
- var object, body;
- if (strict) {
- throwErrorTolerant({}, Messages.StrictModeWith);
- }
- expectKeyword('with');
- expect('(');
- object = parseExpression();
- expect(')');
- body = parseStatement();
- return delegate.createWithStatement(object, body);
- }
- // 12.10 The swith statement
- function parseSwitchCase() {
- var test,
- consequent = [],
- statement;
- if (matchKeyword('default')) {
- lex();
- test = null;
- } else {
- expectKeyword('case');
- test = parseExpression();
- }
- expect(':');
- while (index < length) {
- if (match('}') || matchKeyword('default') || matchKeyword('case')) {
- break;
- }
- statement = parseStatement();
- if (typeof statement === 'undefined') {
- break;
- }
- consequent.push(statement);
- }
- return delegate.createSwitchCase(test, consequent);
- }
- function parseSwitchStatement() {
- var discriminant, cases, clause, oldInSwitch, defaultFound;
- expectKeyword('switch');
- expect('(');
- discriminant = parseExpression();
- expect(')');
- expect('{');
- if (match('}')) {
- lex();
- return delegate.createSwitchStatement(discriminant);
- }
- cases = [];
- oldInSwitch = state.inSwitch;
- state.inSwitch = true;
- defaultFound = false;
- while (index < length) {
- if (match('}')) {
- break;
- }
- clause = parseSwitchCase();
- if (clause.test === null) {
- if (defaultFound) {
- throwError({}, Messages.MultipleDefaultsInSwitch);
- }
- defaultFound = true;
- }
- cases.push(clause);
- }
- state.inSwitch = oldInSwitch;
- expect('}');
- return delegate.createSwitchStatement(discriminant, cases);
- }
- // 12.13 The throw statement
- function parseThrowStatement() {
- var argument;
- expectKeyword('throw');
- if (peekLineTerminator()) {
- throwError({}, Messages.NewlineAfterThrow);
- }
- argument = parseExpression();
- consumeSemicolon();
- return delegate.createThrowStatement(argument);
- }
- // 12.14 The try statement
- function parseCatchClause() {
- var param, body;
- expectKeyword('catch');
- expect('(');
- if (!match(')')) {
- param = parseExpression();
- // 12.14.1
- if (strict && param.type === Syntax.Identifier && isRestrictedWord(param.name)) {
- throwErrorTolerant({}, Messages.StrictCatchVariable);
- }
- }
- expect(')');
- body = parseBlock();
- return delegate.createCatchClause(param, body);
- }
- function parseTryStatement() {
- var block, handlers = [], finalizer = null;
- expectKeyword('try');
- block = parseBlock();
- if (matchKeyword('catch')) {
- handlers.push(parseCatchClause());
- }
- if (matchKeyword('finally')) {
- lex();
- finalizer = parseBlock();
- }
- if (handlers.length === 0 && !finalizer) {
- throwError({}, Messages.NoCatchOrFinally);
- }
- return delegate.createTryStatement(block, [], handlers, finalizer);
- }
- // 12.15 The debugger statement
- function parseDebuggerStatement() {
- expectKeyword('debugger');
- consumeSemicolon();
- return delegate.createDebuggerStatement();
- }
- // 12 Statements
- function parseStatement() {
- var type = lookahead.type,
- expr,
- labeledBody;
- if (type === Token.EOF) {
- throwUnexpected(lookahead);
- }
- if (type === Token.Punctuator) {
- switch (lookahead.value) {
- case ';':
- return parseEmptyStatement();
- case '{':
- return parseBlock();
- case '(':
- return parseExpressionStatement();
- default:
- break;
- }
- }
- if (type === Token.Keyword) {
- switch (lookahead.value) {
- case 'break':
- return parseBreakStatement();
- case 'continue':
- return parseContinueStatement();
- case 'debugger':
- return parseDebuggerStatement();
- case 'do':
- return parseDoWhileStatement();
- case 'for':
- return parseForStatement();
- case 'function':
- return parseFunctionDeclaration();
- case 'if':
- return parseIfStatement();
- case 'return':
- return parseReturnStatement();
- case 'switch':
- return parseSwitchStatement();
- case 'throw':
- return parseThrowStatement();
- case 'try':
- return parseTryStatement();
- case 'var':
- return parseVariableStatement();
- case 'while':
- return parseWhileStatement();
- case 'with':
- return parseWithStatement();
- default:
- break;
- }
- }
- expr = parseExpression();
- // 12.12 Labelled Statements
- if ((expr.type === Syntax.Identifier) && match(':')) {
- lex();
- if (Object.prototype.hasOwnProperty.call(state.labelSet, expr.name)) {
- throwError({}, Messages.Redeclaration, 'Label', expr.name);
- }
- state.labelSet[expr.name] = true;
- labeledBody = parseStatement();
- delete state.labelSet[expr.name];
- return delegate.createLabeledStatement(expr, labeledBody);
- }
- consumeSemicolon();
- return delegate.createExpressionStatement(expr);
- }
- // 13 Function Definition
- function parseFunctionSourceElements() {
- var sourceElement, sourceElements = [], token, directive, firstRestricted,
- oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody;
- expect('{');
- while (index < length) {
- if (lookahead.type !== Token.StringLiteral) {
- break;
- }
- token = lookahead;
- sourceElement = parseSourceElement();
- sourceElements.push(sourceElement);
- if (sourceElement.expression.type !== Syntax.Literal) {
- // this is not directive
- break;
- }
- directive = sliceSource(token.range[0] + 1, token.range[1] - 1);
- if (directive === 'use strict') {
- strict = true;
- if (firstRestricted) {
- throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
- }
- } else {
- if (!firstRestricted && token.octal) {
- firstRestricted = token;
- }
- }
- }
- oldLabelSet = state.labelSet;
- oldInIteration = state.inIteration;
- oldInSwitch = state.inSwitch;
- oldInFunctionBody = state.inFunctionBody;
- state.labelSet = {};
- state.inIteration = false;
- state.inSwitch = false;
- state.inFunctionBody = true;
- while (index < length) {
- if (match('}')) {
- break;
- }
- sourceElement = parseSourceElement();
- if (typeof sourceElement === 'undefined') {
- break;
- }
- sourceElements.push(sourceElement);
- }
- expect('}');
- state.labelSet = oldLabelSet;
- state.inIteration = oldInIteration;
- state.inSwitch = oldInSwitch;
- state.inFunctionBody = oldInFunctionBody;
- return delegate.createBlockStatement(sourceElements);
- }
- function parseParams(firstRestricted) {
- var param, params = [], token, stricted, paramSet, message;
- expect('(');
- if (!match(')')) {
- paramSet = {};
- while (index < length) {
- token = lookahead;
- param = parseVariableIdentifier();
- if (strict) {
- if (isRestrictedWord(token.value)) {
- stricted = token;
- message = Messages.StrictParamName;
- }
- if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) {
- stricted = token;
- message = Messages.StrictParamDupe;
- }
- } else if (!firstRestricted) {
- if (isRestrictedWord(token.value)) {
- firstRestricted = token;
- message = Messages.StrictParamName;
- } else if (isStrictModeReservedWord(token.value)) {
- firstRestricted = token;
- message = Messages.StrictReservedWord;
- } else if (Object.prototype.hasOwnProperty.call(paramSet, token.value)) {
- firstRestricted = token;
- message = Messages.StrictParamDupe;
- }
- }
- params.push(param);
- paramSet[param.name] = true;
- if (match(')')) {
- break;
- }
- expect(',');
- }
- }
- expect(')');
- return {
- params: params,
- stricted: stricted,
- firstRestricted: firstRestricted,
- message: message
- };
- }
- function parseFunctionDeclaration() {
- var id, params = [], body, token, stricted, tmp, firstRestricted, message, previousStrict;
- expectKeyword('function');
- token = lookahead;
- id = parseVariableIdentifier();
- if (strict) {
- if (isRestrictedWord(token.value)) {
- throwErrorTolerant(token, Messages.StrictFunctionName);
- }
- } else {
- if (isRestrictedWord(token.value)) {
- firstRestricted = token;
- message = Messages.StrictFunctionName;
- } else if (isStrictModeReservedWord(token.value)) {
- firstRestricted = token;
- message = Messages.StrictReservedWord;
- }
- }
- tmp = parseParams(firstRestricted);
- params = tmp.params;
- stricted = tmp.stricted;
- firstRestricted = tmp.firstRestricted;
- if (tmp.message) {
- message = tmp.message;
- }
- previousStrict = strict;
- body = parseFunctionSourceElements();
- if (strict && firstRestricted) {
- throwError(firstRestricted, message);
- }
- if (strict && stricted) {
- throwErrorTolerant(stricted, message);
- }
- strict = previousStrict;
- return delegate.createFunctionDeclaration(id, params, [], body);
- }
- function parseFunctionExpression() {
- var token, id = null, stricted, firstRestricted, message, tmp, params = [], body, previousStrict;
- expectKeyword('function');
- if (!match('(')) {
- token = lookahead;
- id = parseVariableIdentifier();
- if (strict) {
- if (isRestrictedWord(token.value)) {
- throwErrorTolerant(token, Messages.StrictFunctionName);
- }
- } else {
- if (isRestrictedWord(token.value)) {
- firstRestricted = token;
- message = Messages.StrictFunctionName;
- } else if (isStrictModeReservedWord(token.value)) {
- firstRestricted = token;
- message = Messages.StrictReservedWord;
- }
- }
- }
- tmp = parseParams(firstRestricted);
- params = tmp.params;
- stricted = tmp.stricted;
- firstRestricted = tmp.firstRestricted;
- if (tmp.message) {
- message = tmp.message;
- }
- previousStrict = strict;
- body = parseFunctionSourceElements();
- if (strict && firstRestricted) {
- throwError(firstRestricted, message);
- }
- if (strict && stricted) {
- throwErrorTolerant(stricted, message);
- }
- strict = previousStrict;
- return delegate.createFunctionExpression(id, params, [], body);
- }
- // 14 Program
- function parseSourceElement() {
- if (lookahead.type === Token.Keyword) {
- switch (lookahead.value) {
- case 'const':
- case 'let':
- return parseConstLetDeclaration(lookahead.value);
- case 'function':
- return parseFunctionDeclaration();
- default:
- return parseStatement();
- }
- }
- if (lookahead.type !== Token.EOF) {
- return parseStatement();
- }
- }
- function parseSourceElements() {
- var sourceElement, sourceElements = [], token, directive, firstRestricted;
- while (index < length) {
- token = lookahead;
- if (token.type !== Token.StringLiteral) {
- break;
- }
- sourceElement = parseSourceElement();
- sourceElements.push(sourceElement);
- if (sourceElement.expression.type !== Syntax.Literal) {
- // this is not directive
- break;
- }
- directive = sliceSource(token.range[0] + 1, token.range[1] - 1);
- if (directive === 'use strict') {
- strict = true;
- if (firstRestricted) {
- throwErrorTolerant(firstRestricted, Messages.StrictOctalLiteral);
- }
- } else {
- if (!firstRestricted && token.octal) {
- firstRestricted = token;
- }
- }
- }
- while (index < length) {
- sourceElement = parseSourceElement();
- if (typeof sourceElement === 'undefined') {
- break;
- }
- sourceElements.push(sourceElement);
- }
- return sourceElements;
- }
- function parseProgram() {
- var body;
- strict = false;
- peek();
- body = parseSourceElements();
- return delegate.createProgram(body);
- }
- // The following functions are needed only when the option to preserve
- // the comments is active.
- function addComment(type, value, start, end, loc) {
- assert(typeof start === 'number', 'Comment must have valid position');
- // Because the way the actual token is scanned, often the comments
- // (if any) are skipped twice during the lexical analysis.
- // Thus, we need to skip adding a comment if the comment array already
- // handled it.
- if (extra.comments.length > 0) {
- if (extra.comments[extra.comments.length - 1].range[1] > start) {
- return;
- }
- }
- extra.comments.push({
- type: type,
- value: value,
- range: [start, end],
- loc: loc
- });
- }
- function scanComment() {
- var comment, ch, loc, start, blockComment, lineComment;
- comment = '';
- blockComment = false;
- lineComment = false;
- while (index < length) {
- ch = source[index];
- if (lineComment) {
- ch = source[index++];
- if (isLineTerminator(ch)) {
- loc.end = {
- line: lineNumber,
- column: index - lineStart - 1
- };
- lineComment = false;
- addComment('Line', comment, start, index - 1, loc);
- if (ch === '\r' && source[index] === '\n') {
- ++index;
- }
- ++lineNumber;
- lineStart = index;
- comment = '';
- } else if (index >= length) {
- lineComment = false;
- comment += ch;
- loc.end = {
- line: lineNumber,
- column: length - lineStart
- };
- addComment('Line', comment, start, length, loc);
- } else {
- comment += ch;
- }
- } else if (blockComment) {
- if (isLineTerminator(ch)) {
- if (ch === '\r' && source[index + 1] === '\n') {
- ++index;
- comment += '\r\n';
- } else {
- comment += ch;
- }
- ++lineNumber;
- ++index;
- lineStart = index;
- if (index >= length) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- } else {
- ch = source[index++];
- if (index >= length) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- comment += ch;
- if (ch === '*') {
- ch = source[index];
- if (ch === '/') {
- comment = comment.substr(0, comment.length - 1);
- blockComment = false;
- ++index;
- loc.end = {
- line: lineNumber,
- column: index - lineStart
- };
- addComment('Block', comment, start, index, loc);
- comment = '';
- }
- }
- }
- } else if (ch === '/') {
- ch = source[index + 1];
- if (ch === '/') {
- loc = {
- start: {
- line: lineNumber,
- column: index - lineStart
- }
- };
- start = index;
- index += 2;
- lineComment = true;
- if (index >= length) {
- loc.end = {
- line: lineNumber,
- column: index - lineStart
- };
- lineComment = false;
- addComment('Line', comment, start, index, loc);
- }
- } else if (ch === '*') {
- start = index;
- index += 2;
- blockComment = true;
- loc = {
- start: {
- line: lineNumber,
- column: index - lineStart - 2
- }
- };
- if (index >= length) {
- throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
- }
- } else {
- break;
- }
- } else if (isWhiteSpace(ch)) {
- ++index;
- } else if (isLineTerminator(ch)) {
- ++index;
- if (ch === '\r' && source[index] === '\n') {
- ++index;
- }
- ++lineNumber;
- lineStart = index;
- } else {
- break;
- }
- }
- }
- function filterCommentLocation() {
- var i, entry, comment, comments = [];
- for (i = 0; i < extra.comments.length; ++i) {
- entry = extra.comments[i];
- comment = {
- type: entry.type,
- value: entry.value
- };
- if (extra.range) {
- comment.range = entry.range;
- }
- if (extra.loc) {
- comment.loc = entry.loc;
- }
- comments.push(comment);
- }
- extra.comments = comments;
- }
- function collectToken() {
- var start, loc, token, range, value;
- skipComment();
- start = index;
- loc = {
- start: {
- line: lineNumber,
- column: index - lineStart
- }
- };
- token = extra.advance();
- loc.end = {
- line: lineNumber,
- column: index - lineStart
- };
- if (token.type !== Token.EOF) {
- range = [token.range[0], token.range[1]];
- value = sliceSource(token.range[0], token.range[1]);
- extra.tokens.push({
- type: TokenName[token.type],
- value: value,
- range: range,
- loc: loc
- });
- }
- return token;
- }
- function collectRegex() {
- var pos, loc, regex, token;
- skipComment();
- pos = index;
- loc = {
- start: {
- line: lineNumber,
- column: index - lineStart
- }
- };
- regex = extra.scanRegExp();
- loc.end = {
- line: lineNumber,
- column: index - lineStart
- };
- // Pop the previous token, which is likely '/' or '/='
- if (extra.tokens.length > 0) {
- token = extra.tokens[extra.tokens.length - 1];
- if (token.range[0] === pos && token.type === 'Punctuator') {
- if (token.value === '/' || token.value === '/=') {
- extra.tokens.pop();
- }
- }
- }
- extra.tokens.push({
- type: 'RegularExpression',
- value: regex.literal,
- range: [pos, index],
- loc: loc
- });
- return regex;
- }
- function filterTokenLocation() {
- var i, entry, token, tokens = [];
- for (i = 0; i < extra.tokens.length; ++i) {
- entry = extra.tokens[i];
- token = {
- type: entry.type,
- value: entry.value
- };
- if (extra.range) {
- token.range = entry.range;
- }
- if (extra.loc) {
- token.loc = entry.loc;
- }
- tokens.push(token);
- }
- extra.tokens = tokens;
- }
- function createLocationMarker() {
- var marker = {};
- marker.range = [index, index];
- marker.loc = {
- start: {
- line: lineNumber,
- column: index - lineStart
- },
- end: {
- line: lineNumber,
- column: index - lineStart
- }
- };
- marker.end = function () {
- this.range[1] = index;
- this.loc.end.line = lineNumber;
- this.loc.end.column = index - lineStart;
- };
- marker.applyGroup = function (node) {
- if (extra.range) {
- node.groupRange = [this.range[0], this.range[1]];
- }
- if (extra.loc) {
- node.groupLoc = {
- start: {
- line: this.loc.start.line,
- column: this.loc.start.column
- },
- end: {
- line: this.loc.end.line,
- column: this.loc.end.column
- }
- };
- }
- };
- marker.apply = function (node) {
- if (extra.range) {
- node.range = [this.range[0], this.range[1]];
- }
- if (extra.loc) {
- node.loc = {
- start: {
- line: this.loc.start.line,
- column: this.loc.start.column
- },
- end: {
- line: this.loc.end.line,
- column: this.loc.end.column
- }
- };
- }
- };
- return marker;
- }
- function trackGroupExpression() {
- var marker, expr;
- skipComment();
- marker = createLocationMarker();
- expect('(');
- expr = parseExpression();
- expect(')');
- marker.end();
- marker.applyGroup(expr);
- return expr;
- }
- function trackLeftHandSideExpression() {
- var marker, expr, property;
- skipComment();
- marker = createLocationMarker();
- expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
- while (match('.') || match('[')) {
- if (match('[')) {
- property = parseComputedMember();
- expr = delegate.createMemberExpression('[', expr, property);
- marker.end();
- marker.apply(expr);
- } else {
- property = parseNonComputedMember();
- expr = delegate.createMemberExpression('.', expr, property);
- marker.end();
- marker.apply(expr);
- }
- }
- return expr;
- }
- function trackLeftHandSideExpressionAllowCall() {
- var marker, expr, args, property;
- skipComment();
- marker = createLocationMarker();
- expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
- while (match('.') || match('[') || match('(')) {
- if (match('(')) {
- args = parseArguments();
- expr = delegate.createCallExpression(expr, args);
- marker.end();
- marker.apply(expr);
- } else if (match('[')) {
- property = parseComputedMember();
- expr = delegate.createMemberExpression('[', expr, property);
- marker.end();
- marker.apply(expr);
- } else {
- property = parseNonComputedMember();
- expr = delegate.createMemberExpression('.', expr, property);
- marker.end();
- marker.apply(expr);
- }
- }
- return expr;
- }
- function filterGroup(node) {
- var n, i, entry;
- n = (Object.prototype.toString.apply(node) === '[object Array]') ? [] : {};
- for (i in node) {
- if (node.hasOwnProperty(i) && i !== 'groupRange' && i !== 'groupLoc') {
- entry = node[i];
- if (entry === null || typeof entry !== 'object' || entry instanceof RegExp) {
- n[i] = entry;
- } else {
- n[i] = filterGroup(entry);
- }
- }
- }
- return n;
- }
- function wrapTrackingFunction(range, loc) {
- return function (parseFunction) {
- function isBinary(node) {
- return node.type === Syntax.LogicalExpression ||
- node.type === Syntax.BinaryExpression;
- }
- function visit(node) {
- var start, end;
- if (isBinary(node.left)) {
- visit(node.left);
- }
- if (isBinary(node.right)) {
- visit(node.right);
- }
- if (range) {
- if (node.left.groupRange || node.right.groupRange) {
- start = node.left.groupRange ? node.left.groupRange[0] : node.left.range[0];
- end = node.right.groupRange ? node.right.groupRange[1] : node.right.range[1];
- node.range = [start, end];
- } else if (typeof node.range === 'undefined') {
- start = node.left.range[0];
- end = node.right.range[1];
- node.range = [start, end];
- }
- }
- if (loc) {
- if (node.left.groupLoc || node.right.groupLoc) {
- start = node.left.groupLoc ? node.left.groupLoc.start : node.left.loc.start;
- end = node.right.groupLoc ? node.right.groupLoc.end : node.right.loc.end;
- node.loc = {
- start: start,
- end: end
- };
- } else if (typeof node.loc === 'undefined') {
- node.loc = {
- start: node.left.loc.start,
- end: node.right.loc.end
- };
- }
- }
- }
- return function () {
- var marker, node;
- skipComment();
- marker = createLocationMarker();
- node = parseFunction.apply(null, arguments);
- marker.end();
- if (range && typeof node.range === 'undefined') {
- marker.apply(node);
- }
- if (loc && typeof node.loc === 'undefined') {
- marker.apply(node);
- }
- if (isBinary(node)) {
- visit(node);
- }
- return node;
- };
- };
- }
- function patch() {
- var wrapTracking;
- if (extra.comments) {
- extra.skipComment = skipComment;
- skipComment = scanComment;
- }
- if (extra.range || extra.loc) {
- extra.parseGroupExpression = parseGroupExpression;
- extra.parseLeftHandSideExpression = parseLeftHandSideExpression;
- extra.parseLeftHandSideExpressionAllowCall = parseLeftHandSideExpressionAllowCall;
- parseGroupExpression = trackGroupExpression;
- parseLeftHandSideExpression = trackLeftHandSideExpression;
- parseLeftHandSideExpressionAllowCall = trackLeftHandSideExpressionAllowCall;
- wrapTracking = wrapTrackingFunction(extra.range, extra.loc);
- extra.parseAssignmentExpression = parseAssignmentExpression;
- extra.parseBinaryExpression = parseBinaryExpression;
- extra.parseBlock = parseBlock;
- extra.parseFunctionSourceElements = parseFunctionSourceElements;
- extra.parseCatchClause = parseCatchClause;
- extra.parseComputedMember = parseComputedMember;
- extra.parseConditionalExpression = parseConditionalExpression;
- extra.parseConstLetDeclaration = parseConstLetDeclaration;
- extra.parseExpression = parseExpression;
- extra.parseForVariableDeclaration = parseForVariableDeclaration;
- extra.parseFunctionDeclaration = parseFunctionDeclaration;
- extra.parseFunctionExpression = parseFunctionExpression;
- extra.parseNewExpression = parseNewExpression;
- extra.parseNonComputedProperty = parseNonComputedProperty;
- extra.parseObjectProperty = parseObjectProperty;
- extra.parseObjectPropertyKey = parseObjectPropertyKey;
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- a.init&&(b=a.init.apply(W,arguments));return b||X(a.exports)}},makeRequire:function(a,f){function d(e,c,i){var k,p;if(f.enableBuildCallback&&c&&D(c))c.__requireJsBuild=!0;if(typeof e==="string"){if(D(c))return z(G("requireargs","Invalid require call"),i);if(a&&L[e])return L[e](l[a.id]);if(g.get)return g.get(h,e,a);k=j(e,a,!1,!0);k=k.id;return!F.call(o,k)?z(G("notloaded",'Module name "'+k+'" has not been loaded yet for context: '+b+(a?"":". Use require([])"))):o[k]}I();h.nextTick(function(){I();p=
- n(j(null,a));p.skipMap=f.skipMap;p.init(e,c,i,{enabled:!0});w()});return d}f=f||{};O(d,{isBrowser:v,toUrl:function(b){var d=b.lastIndexOf("."),f=null;d!==-1&&(f=b.substring(d,b.length),b=b.substring(0,d));return h.nameToUrl(c(b,a&&a.id,!0),f)},defined:function(b){b=j(b,a,!1,!0).id;return F.call(o,b)},specified:function(b){b=j(b,a,!1,!0).id;return F.call(o,b)||F.call(l,b)}});if(!a)d.undef=function(b){s();var c=j(b,a,!0),d=l[b];delete o[b];delete Q[c.url];delete V[b];if(d){if(d.events.defined)V[b]=
- d.events;delete l[b]}};return d},enable:function(a){l[a.id]&&n(a).enable()},completeLoad:function(a){var b,c,d=k.shim[a]||{},g=d.exports;for(s();C.length;){c=C.shift();if(c[0]===null){c[0]=a;if(b)break;b=!0}else c[0]===a&&(b=!0);y(c)}c=l[a];if(!b&&!o[a]&&c&&!c.inited)if(k.enforceDefine&&(!g||!X(g)))if(p(a))return;else return z(G("nodefine","No define call for "+a,null,[a]));else y([a,d.deps||[],d.exportsFn]);w()},nameToUrl:function(a,b){var c,d,i,h,j,l;if(g.jsExtRegExp.test(a))h=a+(b||"");else{c=
- k.paths;d=k.pkgs;h=a.split("/");for(j=h.length;j>0;j-=1)if(l=h.slice(0,j).join("/"),i=d[l],l=c[l]){E(l)&&(l=l[0]);h.splice(0,j,l);break}else if(i){c=a===i.name?i.location+"/"+i.main:i.location;h.splice(0,j,c);break}h=h.join("/");h+=b||(/\?/.test(h)?"":".js");h=(h.charAt(0)==="/"||h.match(/^[\w\+\.\-]+:/)?"":k.baseUrl)+h}return k.urlArgs?h+((h.indexOf("?")===-1?"?":"&")+k.urlArgs):h},load:function(a,b){g.load(h,a,b)},execCb:function(a,b,c,d){return b.apply(d,c)},onScriptLoad:function(a){if(a.type===
- "load"||ga.test((a.currentTarget||a.srcElement).readyState))H=null,a=B(a),h.completeLoad(a.id)},onScriptError:function(a){var b=B(a);if(!p(b.id))return z(G("scripterror","Script error",a,[b.id]))}};h.require=h.makeRequire();return h}};g({});t(["toUrl","undef","defined","specified"],function(b){g[b]=function(){var c=w._;return c.require[b].apply(c,arguments)}});if(v&&(u=s.head=document.getElementsByTagName("head")[0],y=document.getElementsByTagName("base")[0]))u=s.head=y.parentNode;g.onError=function(b){throw b;
- };g.load=function(b,c,d){var g=b&&b.config||{},i;if(v)return i=g.xhtml?document.createElementNS("http://www.w3.org/1999/xhtml","html:script"):document.createElement("script"),i.type=g.scriptType||"text/javascript",i.charset="utf-8",i.async=!0,i.setAttribute("data-requirecontext",b.contextName),i.setAttribute("data-requiremodule",c),i.attachEvent&&!(i.attachEvent.toString&&i.attachEvent.toString().indexOf("[native code")<0)&&!R?(J=!0,i.attachEvent("onreadystatechange",b.onScriptLoad)):(i.addEventListener("load",
- b.onScriptLoad,!1),i.addEventListener("error",b.onScriptError,!1)),i.src=d,I=i,y?u.insertBefore(i,y):u.appendChild(i),I=null,i;else aa&&(importScripts(d),b.completeLoad(c))};v&&N(document.getElementsByTagName("script"),function(b){if(!u)u=b.parentNode;if(q=b.getAttribute("data-main")){if(!n.baseUrl)B=q.split("/"),Y=B.pop(),Z=B.length?B.join("/")+"/":"./",n.baseUrl=Z,q=Y;q=q.replace($,"");n.deps=n.deps?n.deps.concat(q):[q];return!0}});define=function(b,c,d){var g,i;typeof b!=="string"&&(d=c,c=b,b=
- null);E(c)||(d=c,c=[]);!c.length&&D(d)&&d.length&&(d.toString().replace(ca,"").replace(da,function(b,d){c.push(d)}),c=(d.length===1?["require"]:["require","exports","module"]).concat(c));if(J&&(g=I||ba()))b||(b=g.getAttribute("data-requiremodule")),i=w[g.getAttribute("data-requirecontext")];(i?i.defQueue:P).push([b,c,d])};define.amd={jQuery:!0};g.exec=function(b){return eval(b)};g(n)}})(this);
-
- }else{
- startTest=false;
- }
- /* Reporter Code */
- var Reporter = function(blanket){
- var cssSytle = "#blanket-main {margin:2px;background:#EEE;color:#333;clear:both;font-family:'Helvetica Neue Light', 'HelveticaNeue-Light', 'Helvetica Neue', Calibri, Helvetica, Arial, sans-serif;} #blanket-main a {color:#333;text-decoration:none;} #blanket-main a:hover {text-decoration:underline;} .blanket {margin:0;padding:5px;clear:both;} .bl-error {color:red;}.bl-success {color:#5E7D00;} .bl-file{width:200px;} .bl-cl{float:left;} .blanket div.rs {margin-left:350px; width:150px;} .bl-nb {padding-right:10px;}",
- successRate = 60,
- head = document.head,
- fileNumber = 0,
- body = document.body,
- headerContent,
- bodyContent = "<div id='blanket-main'><div class='blanket bl-title'><div class='bl-cl bl-file'>Blanket.js results</div><div class='bl-cl rs'>Coverage (%)</div><div class='bl-cl rs'>Covered/Total Smts.</div></div>",
- fileTemplate = "<div class='blanket {{statusclass}}'><div class='bl-cl bl-file'><span class='bl-nb'>{{fileNumber}}.</span><a href='#'>{{file}}</a></div><div class='bl-cl rs'>{{percentage}} %</div><div class='bl-cl rs'>{{numberCovered}}/{{totalSmts}}</div><div style='clear:both;'></div></div>";
- var percentage = function(number, total) {
- return (Math.round(((number/total) * 100)*100)/100);
- };
- var appendHtml = function (el, str) {
- var div = document.createElement('div');
- div.innerHTML = str;
- el.appendChild(div);
- };
- var appendStyle = function (el, str) {
- var style = document.createElement('style');
- style.innerHTML = str;
- el.appendChild(style);
- };
- var files = blanket.files;
- for(var file in files)
- {
- fileNumber += 1;
- var statsForFile = files[file],
- totalSmts = statsForFile.length-1,
- numberOfFilesCovered = 0;
- for(var i = 0; i < statsForFile.length; i++)
- {
- if(statsForFile[i]) {
- numberOfFilesCovered += 1;
- }
- }
- var result = percentage(numberOfFilesCovered, totalSmts);
- var output = fileTemplate.replace("{{file}}", file)
- .replace("{{percentage}}",result)
- .replace("{{numberCovered}}", numberOfFilesCovered)
- .replace("{{fileNumber}}", fileNumber)
- .replace("{{totalSmts}}", totalSmts);
- if(result < successRate)
- {
- output = output.replace("{{statusclass}}", "bl-error");
- } else {
- output = output.replace("{{statusclass}}", "bl-success");
- }
- bodyContent += output;
- }
- bodyContent += "</div>"; //closing main
- appendStyle(head, cssSytle);
- //appendStyle(body, headerContent);
- appendHtml(body, bodyContent);
- //appendHtml(body, '</div>');
- };
- /* Blanket Code */
- var parseAndModify = (typeof exports === 'undefined' ? window.falafel : require("./falafel").falafel);
- (typeof exports === 'undefined' ? window : exports).blanket = (function(){
- var linesToAddTracking = [
- "ExpressionStatement",
- "LabeledStatement" ,
- "BreakStatement" ,
- "ContinueStatement" ,
- "VariableDeclaration",
- "ReturnStatement" ,
- "ThrowStatement" ,
- "Line",
- "TryStatement" ,
- "FunctionDeclaration" ,
- "IfStatement" ,
- "WhileStatement" ,
- "DoWhileStatement" ,
- "ForStatement" ,
- "ForInStatement" ,
- "SwitchStatement" ,
- "WithStatement"
- ],
- linesToAddBrackets = [
- "IfStatement" ,
-
- "WhileStatement" ,
- "DoWhileStatement" ,
- "ForStatement" ,
- "ForInStatement" ,
- "WithStatement"
- ],
- astgen = {
- variable: function (name) { return { type: "Identifier", name: name }; },
- stringLiteral: function (str) { return { type: "Literal", value: String(str) }; },
- numericLiteral: function (num) { return { type: "Literal", value: Number(num) }; },
- statement: function (contents) { return { type: "ExpressionStatement", expression: contents }; },
- dot: function (obj, field) { return { type: "MemberExpression", computed: false, object: obj, property: field }; },
- subscript: function (obj, sub) { return { type: "MemberExpression", computed: true, object: obj, property: sub }; },
- postIncrement: function (obj) { return { type: "UpdateExpression", operator: '++', prefix: false, argument: obj }; },
- sequence: function (one, two) { return { type: "SequenceExpression", expressions: [one, two] }; }
- };
- covVar = (typeof window === 'undefined' ? "_$jscoverage" : "window._$blanket" ),
- blanket = {
- loadOnly: "",
- instrument: function(config, next){
- var inFile = config.inputFile,
- inFileName = config.inputFileName;
- var sourceArray = this._prepareSource(inFile);
- var instrumented = parseAndModify(inFile,{loc:true,comment:true}, this._addTracking,inFileName);
- instrumented = this._trackingSetup(inFileName,sourceArray)+instrumented;
- next(instrumented);
- },
- _prepareSource: function(source){
- return source.replace(/'/g,"\\'").replace(/(\r\n|\n|\r)/gm,"\n").split('\n');
- },
- _trackingSetup: function(filename,sourceArray){
-
- var sourceString = sourceArray.join("',\n'");
- var intro = "if (typeof "+covVar+" === 'undefined') "+covVar+" = {};\n";
- intro += "if (typeof "+covVar+"['"+filename+"'] === 'undefined'){";
-
- intro += covVar+"['"+filename+"']=[];\n";
- intro += covVar+"['"+filename+"'].source=['"+sourceString+"'];\n";
- //initialize array values
- for (var j=1;j<sourceArray.length+1;j++){
- intro += covVar+"['"+filename+"']["+j+"]=0;\n";
- }
- intro += "}";
- return intro;
- },
- _blockifyIf: function(node){
-
- if (linesToAddBrackets.indexOf(node.type) > -1){
- var bracketsExistObject = node.consequent || node.body;
- var bracketsExistAlt = node.alternate;
- if( bracketsExistAlt && bracketsExistAlt.type != "BlockStatement") {
- bracketsExistAlt.update("{\n"+bracketsExistAlt.source()+"}\n");
- }
- //if (bracketsExistAlt){
- // this._blockifyIf(bracketsExistAlt);
- //}
- if( bracketsExistObject && bracketsExistObject.type != "BlockStatement") {
- bracketsExistObject.update("{\n"+bracketsExistObject.source()+"}\n");
- }
- }
- },
- _addTracking: function (node,filename) {
- blanket._blockifyIf(node);
- if (linesToAddTracking.indexOf(node.type) > -1){
- if (node.type == "VariableDeclaration" &&
- (node.parent.type == "ForStatement" || node.parent.type == "ForInStatement")){
- return;
- }
- if (node.loc && node.loc.start){
- node.update(covVar+"['"+filename+"']["+(node.loc.start.line-1)+"]++;\n"+node.source());
- }else{
- //I don't think we can handle a node with no location
- throw new Error("The instrumenter encountered a node with no location: "+Object.keys(node));
- }
-
- }
- },
- report: function(coverage_data){
- coverage_data.files = (typeof window === 'undefined' ? _$jscoverage : window._$blanket );
- Reporter(coverage_data);
- }
- };
- return blanket;
- })();
- /* Custom Loader Code */
- var commentRegExp = /(\/\*([\s\S]*?)\*\/|([^:]|^)\/\/(.*)$)/mg,
- defineRegExp = /(^|[^\.])define\s*\(/,
- requireRegExp = /(^|[^\.])require\s*\(\s*['"][^'"]+['"]\s*\)/,
- exportsRegExp = /exports\s*=\s*/,
- sourceUrlRegExp = /\/\/@\s+sourceURL=/;
- var blanketEval = function(data){
- return ( window.execScript || function( data ) {
- //borrowed from jquery
- window[ "eval" ].call( window, data );
- } )( data );
- };
- //if requirejs is already being used, we need to have a plugin tells us whether or not to overload this
- var oldloader = requirejs.load;
- requirejs.load = function (context, moduleName, url) {
- var hasLocation = typeof location !== 'undefined' && location.href,
- defaultHostName = hasLocation && location.hostname,
- defaultPort = hasLocation && (location.port || undefined),
- defaultProtocol = hasLocation && location.protocol && location.protocol.replace(/\:/, '');
-
- requirejs.cget(url, function (content) {
- var match = blanket.loadOnly;
- if (url.indexOf(match) > -1){
- var temp = content.replace(commentRegExp, '');
- blanket.instrument({
- inputFile: content,
- inputFileName: url
- },function(instrumented){
- //console.log("instrumented:\n"+instrumented);
-
- try{
- blanketEval(instrumented);
- context.completeLoad(moduleName);
- }
- catch(err){
- console.log("Error parsing instrumented code: "+err);
- }
-
- });
- }else{
- oldloader(context, moduleName, url);
- }
- }, function (err) {
- throw err;
- });
- };
- requirejs.createXhr = function () {
- //Would love to dump the ActiveX crap in here. Need IE 6 to die first.
- var xhr, i, progId;
- if (typeof XMLHttpRequest !== "undefined") {
- return new XMLHttpRequest();
- } else if (typeof ActiveXObject !== "undefined") {
- for (i = 0; i < 3; i += 1) {
- progId = progIds[i];
- try {
- xhr = new ActiveXObject(progId);
- } catch (e) {}
- if (xhr) {
- progIds = [progId]; // so faster next time
- break;
- }
- }
- }
- return xhr;
- };
- requirejs.cget = function (url, callback, errback, onXhr) {
- var xhr = requirejs.createXhr();
- xhr.open('GET', url, true);
- //Allow overrides specified in config
- if (onXhr) {
- onXhr(xhr, url);
- }
- xhr.onreadystatechange = function (evt) {
- var status, err;
- //Do not explicitly handle errors, those should be
- //visible via console output in the browser.
- if (xhr.readyState === 4) {
- status = xhr.status;
- if (status > 399 && status < 600) {
- //An http 4xx or 5xx error. Signal an error.
- err = new Error(url + ' HTTP status: ' + status);
- err.xhr = xhr;
- errback(err);
- } else {
- callback(xhr.responseText);
- }
- }
- };
- xhr.send(null);
- };
- function collectPageScripts(){
- var toArray = Array.prototype.slice;
- var scripts = toArray.call(document.scripts);
- var scriptNames = scripts.filter(function(elem){
- return toArray.call(elem.attributes).some(function(es){
- return es.nodeName == "data-cover";
- });
- }).map(function(s){
- return toArray.call(s.attributes).filter(function(sn){
- return sn.nodeName == "src";
- })[0].nodeValue.replace(".js","");
- });
- return scriptNames;
- }
- /* Test Specific Code */
- if (typeof QUnit !== 'undefined'){
- QUnit.config.urlConfig.push({
- id: "coverage",
- label: "Enable coverage",
- tooltip: "Enable code coverage."
- });
- if ( QUnit.urlParams.coverage ) {
- var coverageInfo;
- QUnit.done = function(failures, total) {
- coverageInfo.stats.end = new Date();
-
- blanket.report(coverageInfo);
- };
- QUnit.moduleStart(function( details ) {
- coverageInfo.stats.suites++;
- });
- QUnit.testStart(function( details ) {
- coverageInfo.stats.tests++;
- coverageInfo.stats.pending++;
- });
- QUnit.testDone(function( details ) {
- if(details.passed == details.total){
- coverageInfo.stats.passes++;
- }else{
- coverageInfo.stats.failures++;
- }
- coverageInfo.stats.pending--;
- });
-
- QUnit.begin(function(){
- coverageInfo = coverageInfo || {};
- //add the basic info, based on jscoverage
- coverageInfo.instrumentation = "blanket";
-
- coverageInfo.stats = {
- "suites": 0,
- "tests": 0,
- "passes": 0,
- "pending": 0,
- "failures": 0,
- "start": new Date()
- };
- });
- if (startTest){
- require(collectPageScripts(), function() {
- QUnit.start();
- });
- }
- }else{
- QUnit.start();
- }
- }