--- /dev/null
+/*! blanket - v1.1.5 */
+
+if (typeof QUnit !== 'undefined'){ QUnit.config.autostart = false; }
+(function(define){
+/*
+ Copyright (C) 2013 Ariya Hidayat <ariya.hidayat@gmail.com>
+ Copyright (C) 2013 Thaddee Tyl <thaddee.tyl@gmail.com>
+ Copyright (C) 2013 Mathias Bynens <mathias@qiwi.be>
+ 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,
+throwErrorTolerant: true,
+throwError: true, generateStatement: true, peek: true,
+parseAssignmentExpression: true, parseBlock: true, parseExpression: true,
+parseFunctionDeclaration: true, parseFunctionExpression: true,
+parseFunctionSourceElements: true, parseVariableIdentifier: true,
+parseLeftHandSideExpression: true,
+parseUnaryExpression: true,
+parseStatement: true, parseSourceElement: true */
+
+(function (root, factory) {
+ 'use strict';
+
+ // Universal Module Definition (UMD) to support AMD, CommonJS/Node.js,
+ // Rhino, and plain browser loading.
+
+ /* istanbul ignore next */
+ if (typeof define === 'function' && define.amd) {
+ define(['exports'], factory);
+ } else if (typeof exports !== 'undefined') {
+ factory(exports);
+ } else {
+ factory((root.esprima = {}));
+ }
+}(this, function (exports) {
+ 'use strict';
+
+ var Token,
+ TokenName,
+ FnExprTokens,
+ 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,
+ RegularExpression: 9
+ };
+
+ 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';
+ TokenName[Token.RegularExpression] = 'RegularExpression';
+
+ // A function following one of those tokens is an expression.
+ FnExprTokens = ['(', '{', '[', 'in', 'typeof', 'instanceof', 'new',
+ 'return', 'case', 'delete', 'throw', 'void',
+ // assignment operators
+ '=', '+=', '-=', '*=', '/=', '%=', '<<=', '>>=', '>>>=',
+ '&=', '|=', '^=', ',',
+ // binary/unary operators
+ '+', '-', '*', '/', '%', '++', '--', '<<', '>>', '>>>', '&',
+ '|', '^', '!', '~', '&&', '||', '?', ':', '===', '==', '>=',
+ '<=', '<', '>', '!=', '!=='];
+
+ 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) {
+ /* istanbul ignore if */
+ if (!condition) {
+ throw new Error('ASSERT: ' + message);
+ }
+ }
+
+ function isDecimalDigit(ch) {
+ return (ch >= 48 && ch <= 57); // 0..9
+ }
+
+ 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 === 0x20) || (ch === 0x09) || (ch === 0x0B) || (ch === 0x0C) || (ch === 0xA0) ||
+ (ch >= 0x1680 && [0x1680, 0x180E, 0x2000, 0x2001, 0x2002, 0x2003, 0x2004, 0x2005, 0x2006, 0x2007, 0x2008, 0x2009, 0x200A, 0x202F, 0x205F, 0x3000, 0xFEFF].indexOf(ch) >= 0);
+ }
+
+ // 7.3 Line Terminators
+
+ function isLineTerminator(ch) {
+ return (ch === 0x0A) || (ch === 0x0D) || (ch === 0x2028) || (ch === 0x2029);
+ }
+
+ // 7.6 Identifier Names and Identifiers
+
+ function isIdentifierStart(ch) {
+ return (ch === 0x24) || (ch === 0x5F) || // $ (dollar) and _ (underscore)
+ (ch >= 0x41 && ch <= 0x5A) || // A..Z
+ (ch >= 0x61 && ch <= 0x7A) || // a..z
+ (ch === 0x5C) || // \ (backslash)
+ ((ch >= 0x80) && Regex.NonAsciiIdentifierStart.test(String.fromCharCode(ch)));
+ }
+
+ function isIdentifierPart(ch) {
+ return (ch === 0x24) || (ch === 0x5F) || // $ (dollar) and _ (underscore)
+ (ch >= 0x41 && ch <= 0x5A) || // A..Z
+ (ch >= 0x61 && ch <= 0x7A) || // a..z
+ (ch >= 0x30 && ch <= 0x39) || // 0..9
+ (ch === 0x5C) || // \ (backslash)
+ ((ch >= 0x80) && Regex.NonAsciiIdentifierPart.test(String.fromCharCode(ch)));
+ }
+
+ // 7.6.1.2 Future Reserved Words
+
+ function isFutureReservedWord(id) {
+ switch (id) {
+ case 'class':
+ case 'enum':
+ case 'export':
+ case 'extends':
+ case 'import':
+ case 'super':
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ function isStrictModeReservedWord(id) {
+ switch (id) {
+ case 'implements':
+ case 'interface':
+ case 'package':
+ case 'private':
+ case 'protected':
+ case 'public':
+ case 'static':
+ case 'yield':
+ case 'let':
+ return true;
+ default:
+ return false;
+ }
+ }
+
+ 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 addComment(type, value, start, end, loc) {
+ var comment, attacher;
+
+ 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 (state.lastCommentStart >= start) {
+ return;
+ }
+ state.lastCommentStart = start;
+
+ comment = {
+ type: type,
+ value: value
+ };
+ if (extra.range) {
+ comment.range = [start, end];
+ }
+ if (extra.loc) {
+ comment.loc = loc;
+ }
+ extra.comments.push(comment);
+ if (extra.attachComment) {
+ extra.leadingComments.push(comment);
+ extra.trailingComments.push(comment);
+ }
+ }
+
+ function skipSingleLineComment(offset) {
+ var start, loc, ch, comment;
+
+ start = index - offset;
+ loc = {
+ start: {
+ line: lineNumber,
+ column: index - lineStart - offset
+ }
+ };
+
+ while (index < length) {
+ ch = source.charCodeAt(index);
+ ++index;
+ if (isLineTerminator(ch)) {
+ if (extra.comments) {
+ comment = source.slice(start + offset, index - 1);
+ loc.end = {
+ line: lineNumber,
+ column: index - lineStart - 1
+ };
+ addComment('Line', comment, start, index - 1, loc);
+ }
+ if (ch === 13 && source.charCodeAt(index) === 10) {
+ ++index;
+ }
+ ++lineNumber;
+ lineStart = index;
+ return;
+ }
+ }
+
+ if (extra.comments) {
+ comment = source.slice(start + offset, index);
+ loc.end = {
+ line: lineNumber,
+ column: index - lineStart
+ };
+ addComment('Line', comment, start, index, loc);
+ }
+ }
+
+ function skipMultiLineComment() {
+ var start, loc, ch, comment;
+
+ if (extra.comments) {
+ start = index - 2;
+ loc = {
+ start: {
+ line: lineNumber,
+ column: index - lineStart - 2
+ }
+ };
+ }
+
+ while (index < length) {
+ ch = source.charCodeAt(index);
+ if (isLineTerminator(ch)) {
+ if (ch === 0x0D && source.charCodeAt(index + 1) === 0x0A) {
+ ++index;
+ }
+ ++lineNumber;
+ ++index;
+ lineStart = index;
+ if (index >= length) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ } else if (ch === 0x2A) {
+ // Block comment ends with '*/'.
+ if (source.charCodeAt(index + 1) === 0x2F) {
+ ++index;
+ ++index;
+ if (extra.comments) {
+ comment = source.slice(start + 2, index - 2);
+ loc.end = {
+ line: lineNumber,
+ column: index - lineStart
+ };
+ addComment('Block', comment, start, index, loc);
+ }
+ return;
+ }
+ ++index;
+ } else {
+ ++index;
+ }
+ }
+
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+
+ function skipComment() {
+ var ch, start;
+
+ start = (index === 0);
+ while (index < length) {
+ ch = source.charCodeAt(index);
+
+ if (isWhiteSpace(ch)) {
+ ++index;
+ } else if (isLineTerminator(ch)) {
+ ++index;
+ if (ch === 0x0D && source.charCodeAt(index) === 0x0A) {
+ ++index;
+ }
+ ++lineNumber;
+ lineStart = index;
+ start = true;
+ } else if (ch === 0x2F) { // U+002F is '/'
+ ch = source.charCodeAt(index + 1);
+ if (ch === 0x2F) {
+ ++index;
+ ++index;
+ skipSingleLineComment(2);
+ start = true;
+ } else if (ch === 0x2A) { // U+002A is '*'
+ ++index;
+ ++index;
+ skipMultiLineComment();
+ } else {
+ break;
+ }
+ } else if (start && ch === 0x2D) { // U+002D is '-'
+ // U+003E is '>'
+ if ((source.charCodeAt(index + 1) === 0x2D) && (source.charCodeAt(index + 2) === 0x3E)) {
+ // '-->' is a single-line comment
+ index += 3;
+ skipSingleLineComment(3);
+ } else {
+ break;
+ }
+ } else if (ch === 0x3C) { // U+003C is '<'
+ if (source.slice(index + 1, index + 4) === '!--') {
+ ++index; // `<`
+ ++index; // `!`
+ ++index; // `-`
+ ++index; // `-`
+ skipSingleLineComment(4);
+ } else {
+ break;
+ }
+ } 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;
+
+ ch = source.charCodeAt(index++);
+ id = String.fromCharCode(ch);
+
+ // '\u' (U+005C, U+0075) denotes an escaped character.
+ if (ch === 0x5C) {
+ if (source.charCodeAt(index) !== 0x75) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ ++index;
+ ch = scanHexEscape('u');
+ if (!ch || ch === '\\' || !isIdentifierStart(ch.charCodeAt(0))) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ id = ch;
+ }
+
+ while (index < length) {
+ ch = source.charCodeAt(index);
+ if (!isIdentifierPart(ch)) {
+ break;
+ }
+ ++index;
+ id += String.fromCharCode(ch);
+
+ // '\u' (U+005C, U+0075) denotes an escaped character.
+ if (ch === 0x5C) {
+ id = id.substr(0, id.length - 1);
+ if (source.charCodeAt(index) !== 0x75) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ ++index;
+ ch = scanHexEscape('u');
+ if (!ch || ch === '\\' || !isIdentifierPart(ch.charCodeAt(0))) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ id += ch;
+ }
+ }
+
+ return id;
+ }
+
+ function getIdentifier() {
+ var start, ch;
+
+ start = index++;
+ while (index < length) {
+ ch = source.charCodeAt(index);
+ if (ch === 0x5C) {
+ // Blackslash (U+005C) marks Unicode escape sequence.
+ index = start;
+ return getEscapedIdentifier();
+ }
+ if (isIdentifierPart(ch)) {
+ ++index;
+ } else {
+ break;
+ }
+ }
+
+ return source.slice(start, index);
+ }
+
+ function scanIdentifier() {
+ var start, id, type;
+
+ start = index;
+
+ // Backslash (U+005C) starts an escaped character.
+ id = (source.charCodeAt(index) === 0x5C) ? 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,
+ start: start,
+ end: index
+ };
+ }
+
+
+ // 7.7 Punctuators
+
+ function scanPunctuator() {
+ var start = index,
+ code = source.charCodeAt(index),
+ code2,
+ ch1 = source[index],
+ ch2,
+ ch3,
+ ch4;
+
+ switch (code) {
+
+ // Check for most common single-character punctuators.
+ case 0x2E: // . dot
+ case 0x28: // ( open bracket
+ case 0x29: // ) close bracket
+ case 0x3B: // ; semicolon
+ case 0x2C: // , comma
+ case 0x7B: // { open curly brace
+ case 0x7D: // } close curly brace
+ case 0x5B: // [
+ case 0x5D: // ]
+ case 0x3A: // :
+ case 0x3F: // ?
+ case 0x7E: // ~
+ ++index;
+ if (extra.tokenize) {
+ if (code === 0x28) {
+ extra.openParenToken = extra.tokens.length;
+ } else if (code === 0x7B) {
+ extra.openCurlyToken = extra.tokens.length;
+ }
+ }
+ return {
+ type: Token.Punctuator,
+ value: String.fromCharCode(code),
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+
+ default:
+ code2 = source.charCodeAt(index + 1);
+
+ // '=' (U+003D) marks an assignment or comparison operator.
+ if (code2 === 0x3D) {
+ switch (code) {
+ case 0x2B: // +
+ case 0x2D: // -
+ case 0x2F: // /
+ case 0x3C: // <
+ case 0x3E: // >
+ case 0x5E: // ^
+ case 0x7C: // |
+ case 0x25: // %
+ case 0x26: // &
+ case 0x2A: // *
+ index += 2;
+ return {
+ type: Token.Punctuator,
+ value: String.fromCharCode(code) + String.fromCharCode(code2),
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+
+ case 0x21: // !
+ case 0x3D: // =
+ index += 2;
+
+ // !== and ===
+ if (source.charCodeAt(index) === 0x3D) {
+ ++index;
+ }
+ return {
+ type: Token.Punctuator,
+ value: source.slice(start, index),
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+ }
+ }
+
+ // 4-character punctuator: >>>=
+
+ ch4 = source.substr(index, 4);
+
+ if (ch4 === '>>>=') {
+ index += 4;
+ return {
+ type: Token.Punctuator,
+ value: ch4,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ // 3-character punctuators: === !== >>> <<= >>=
+
+ ch3 = ch4.substr(0, 3);
+
+ if (ch3 === '>>>' || ch3 === '<<=' || ch3 === '>>=') {
+ index += 3;
+ return {
+ type: Token.Punctuator,
+ value: ch3,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ // Other 2-character punctuators: ++ -- << >> && ||
+ ch2 = ch3.substr(0, 2);
+
+ if ((ch1 === ch2[1] && ('+-<>&|'.indexOf(ch1) >= 0)) || ch2 === '=>') {
+ index += 2;
+ return {
+ type: Token.Punctuator,
+ value: ch2,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ // 1-character punctuators: < > = ! + - * % & | ^ /
+ if ('<>=!+-*%&|^/'.indexOf(ch1) >= 0) {
+ ++index;
+ return {
+ type: Token.Punctuator,
+ value: ch1,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+
+ // 7.8.3 Numeric Literals
+
+ function scanHexLiteral(start) {
+ var number = '';
+
+ while (index < length) {
+ if (!isHexDigit(source[index])) {
+ break;
+ }
+ number += source[index++];
+ }
+
+ if (number.length === 0) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+
+ if (isIdentifierStart(source.charCodeAt(index))) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+
+ return {
+ type: Token.NumericLiteral,
+ value: parseInt('0x' + number, 16),
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ function scanOctalLiteral(start) {
+ var number = '0' + source[index++];
+ while (index < length) {
+ if (!isOctalDigit(source[index])) {
+ break;
+ }
+ number += source[index++];
+ }
+
+ if (isIdentifierStart(source.charCodeAt(index)) || isDecimalDigit(source.charCodeAt(index))) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+
+ return {
+ type: Token.NumericLiteral,
+ value: parseInt(number, 8),
+ octal: true,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ function scanNumericLiteral() {
+ var number, start, ch;
+
+ ch = source[index];
+ assert(isDecimalDigit(ch.charCodeAt(0)) || (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') {
+ ++index;
+ return scanHexLiteral(start);
+ }
+ if (isOctalDigit(ch)) {
+ return scanOctalLiteral(start);
+ }
+
+ // decimal number starts with '0' such as '09' is illegal.
+ if (ch && isDecimalDigit(ch.charCodeAt(0))) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ }
+
+ while (isDecimalDigit(source.charCodeAt(index))) {
+ number += source[index++];
+ }
+ ch = source[index];
+ }
+
+ if (ch === '.') {
+ number += source[index++];
+ while (isDecimalDigit(source.charCodeAt(index))) {
+ number += source[index++];
+ }
+ ch = source[index];
+ }
+
+ if (ch === 'e' || ch === 'E') {
+ number += source[index++];
+
+ ch = source[index];
+ if (ch === '+' || ch === '-') {
+ number += source[index++];
+ }
+ if (isDecimalDigit(source.charCodeAt(index))) {
+ while (isDecimalDigit(source.charCodeAt(index))) {
+ number += source[index++];
+ }
+ } else {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ }
+
+ if (isIdentifierStart(source.charCodeAt(index))) {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+
+ return {
+ type: Token.NumericLiteral,
+ value: parseFloat(number),
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ // 7.8.4 String Literals
+
+ function scanStringLiteral() {
+ var str = '', quote, start, ch, code, unescaped, restore, octal = false, startLineNumber, startLineStart;
+ startLineNumber = lineNumber;
+ startLineStart = lineStart;
+
+ 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 (!ch || !isLineTerminator(ch.charCodeAt(0))) {
+ switch (ch) {
+ case 'u':
+ case 'x':
+ restore = index;
+ unescaped = scanHexEscape(ch);
+ if (unescaped) {
+ str += unescaped;
+ } else {
+ index = restore;
+ str += ch;
+ }
+ break;
+ case 'n':
+ str += '\n';
+ break;
+ case 'r':
+ str += '\r';
+ break;
+ case 't':
+ str += '\t';
+ break;
+ case 'b':
+ str += '\b';
+ break;
+ case 'f':
+ str += '\f';
+ break;
+ case 'v':
+ str += '\x0B';
+ break;
+
+ 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;
+ }
+ lineStart = index;
+ }
+ } else if (isLineTerminator(ch.charCodeAt(0))) {
+ break;
+ } else {
+ str += ch;
+ }
+ }
+
+ if (quote !== '') {
+ throwError({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+
+ return {
+ type: Token.StringLiteral,
+ value: str,
+ octal: octal,
+ startLineNumber: startLineNumber,
+ startLineStart: startLineStart,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ function testRegExp(pattern, flags) {
+ var value;
+ try {
+ value = new RegExp(pattern, flags);
+ } catch (e) {
+ throwError({}, Messages.InvalidRegExp);
+ }
+ return value;
+ }
+
+ function scanRegExpBody() {
+ var ch, str, classMarker, terminated, body;
+
+ ch = source[index];
+ assert(ch === '/', 'Regular expression literal must start with a slash');
+ str = source[index++];
+
+ classMarker = false;
+ terminated = false;
+ while (index < length) {
+ ch = source[index++];
+ str += ch;
+ if (ch === '\\') {
+ ch = source[index++];
+ // ECMA-262 7.8.5
+ if (isLineTerminator(ch.charCodeAt(0))) {
+ throwError({}, Messages.UnterminatedRegExp);
+ }
+ str += ch;
+ } else if (isLineTerminator(ch.charCodeAt(0))) {
+ throwError({}, Messages.UnterminatedRegExp);
+ } else if (classMarker) {
+ if (ch === ']') {
+ classMarker = false;
+ }
+ } else {
+ if (ch === '/') {
+ terminated = true;
+ break;
+ } else if (ch === '[') {
+ classMarker = true;
+ }
+ }
+ }
+
+ if (!terminated) {
+ throwError({}, Messages.UnterminatedRegExp);
+ }
+
+ // Exclude leading and trailing slash.
+ body = str.substr(1, str.length - 2);
+ return {
+ value: body,
+ literal: str
+ };
+ }
+
+ function scanRegExpFlags() {
+ var ch, str, flags, restore;
+
+ str = '';
+ flags = '';
+ while (index < length) {
+ ch = source[index];
+ if (!isIdentifierPart(ch.charCodeAt(0))) {
+ 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';
+ }
+ throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
+ } else {
+ str += '\\';
+ throwErrorTolerant({}, Messages.UnexpectedToken, 'ILLEGAL');
+ }
+ } else {
+ flags += ch;
+ str += ch;
+ }
+ }
+
+ return {
+ value: flags,
+ literal: str
+ };
+ }
+
+ function scanRegExp() {
+ var start, body, flags, pattern, value;
+
+ lookahead = null;
+ skipComment();
+ start = index;
+
+ body = scanRegExpBody();
+ flags = scanRegExpFlags();
+ value = testRegExp(body.value, flags.value);
+
+ if (extra.tokenize) {
+ return {
+ type: Token.RegularExpression,
+ value: value,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: start,
+ end: index
+ };
+ }
+
+ return {
+ literal: body.literal + flags.literal,
+ value: value,
+ start: start,
+ end: index
+ };
+ }
+
+ function collectRegex() {
+ var pos, loc, regex, token;
+
+ skipComment();
+
+ pos = index;
+ loc = {
+ start: {
+ line: lineNumber,
+ column: index - lineStart
+ }
+ };
+
+ regex = scanRegExp();
+ loc.end = {
+ line: lineNumber,
+ column: index - lineStart
+ };
+
+ /* istanbul ignore next */
+ if (!extra.tokenize) {
+ // 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 isIdentifierName(token) {
+ return token.type === Token.Identifier ||
+ token.type === Token.Keyword ||
+ token.type === Token.BooleanLiteral ||
+ token.type === Token.NullLiteral;
+ }
+
+ function advanceSlash() {
+ var prevToken,
+ checkToken;
+ // Using the following algorithm:
+ // https://github.com/mozilla/sweet.js/wiki/design
+ prevToken = extra.tokens[extra.tokens.length - 1];
+ if (!prevToken) {
+ // Nothing before that: it cannot be a division.
+ return collectRegex();
+ }
+ if (prevToken.type === 'Punctuator') {
+ if (prevToken.value === ']') {
+ return scanPunctuator();
+ }
+ if (prevToken.value === ')') {
+ checkToken = extra.tokens[extra.openParenToken - 1];
+ if (checkToken &&
+ checkToken.type === 'Keyword' &&
+ (checkToken.value === 'if' ||
+ checkToken.value === 'while' ||
+ checkToken.value === 'for' ||
+ checkToken.value === 'with')) {
+ return collectRegex();
+ }
+ return scanPunctuator();
+ }
+ if (prevToken.value === '}') {
+ // Dividing a function by anything makes little sense,
+ // but we have to check for that.
+ if (extra.tokens[extra.openCurlyToken - 3] &&
+ extra.tokens[extra.openCurlyToken - 3].type === 'Keyword') {
+ // Anonymous function.
+ checkToken = extra.tokens[extra.openCurlyToken - 4];
+ if (!checkToken) {
+ return scanPunctuator();
+ }
+ } else if (extra.tokens[extra.openCurlyToken - 4] &&
+ extra.tokens[extra.openCurlyToken - 4].type === 'Keyword') {
+ // Named function.
+ checkToken = extra.tokens[extra.openCurlyToken - 5];
+ if (!checkToken) {
+ return collectRegex();
+ }
+ } else {
+ return scanPunctuator();
+ }
+ // checkToken determines whether the function is
+ // a declaration or an expression.
+ if (FnExprTokens.indexOf(checkToken.value) >= 0) {
+ // It is an expression.
+ return scanPunctuator();
+ }
+ // It is a declaration.
+ return collectRegex();
+ }
+ return collectRegex();
+ }
+ if (prevToken.type === 'Keyword') {
+ return collectRegex();
+ }
+ return scanPunctuator();
+ }
+
+ function advance() {
+ var ch;
+
+ skipComment();
+
+ if (index >= length) {
+ return {
+ type: Token.EOF,
+ lineNumber: lineNumber,
+ lineStart: lineStart,
+ start: index,
+ end: index
+ };
+ }
+
+ ch = source.charCodeAt(index);
+
+ if (isIdentifierStart(ch)) {
+ return scanIdentifier();
+ }
+
+ // Very common: ( and ) and ;
+ if (ch === 0x28 || ch === 0x29 || ch === 0x3B) {
+ return scanPunctuator();
+ }
+
+ // String literal starts with single quote (U+0027) or double quote (U+0022).
+ if (ch === 0x27 || ch === 0x22) {
+ return scanStringLiteral();
+ }
+
+
+ // Dot (.) U+002E can also start a floating-point number, hence the need
+ // to check the next character.
+ if (ch === 0x2E) {
+ if (isDecimalDigit(source.charCodeAt(index + 1))) {
+ return scanNumericLiteral();
+ }
+ return scanPunctuator();
+ }
+
+ if (isDecimalDigit(ch)) {
+ return scanNumericLiteral();
+ }
+
+ // Slash (/) U+002F can also start a regex.
+ if (extra.tokenize && ch === 0x2F) {
+ return advanceSlash();
+ }
+
+ return scanPunctuator();
+ }
+
+ function collectToken() {
+ var loc, token, range, value;
+
+ skipComment();
+ loc = {
+ start: {
+ line: lineNumber,
+ column: index - lineStart
+ }
+ };
+
+ token = advance();
+ loc.end = {
+ line: lineNumber,
+ column: index - lineStart
+ };
+
+ if (token.type !== Token.EOF) {
+ value = source.slice(token.start, token.end);
+ extra.tokens.push({
+ type: TokenName[token.type],
+ value: value,
+ range: [token.start, token.end],
+ loc: loc
+ });
+ }
+
+ return token;
+ }
+
+ function lex() {
+ var token;
+
+ token = lookahead;
+ index = token.end;
+ lineNumber = token.lineNumber;
+ lineStart = token.lineStart;
+
+ lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
+
+ index = token.end;
+ lineNumber = token.lineNumber;
+ lineStart = token.lineStart;
+
+ return token;
+ }
+
+ function peek() {
+ var pos, line, start;
+
+ pos = index;
+ line = lineNumber;
+ start = lineStart;
+ lookahead = (typeof extra.tokens !== 'undefined') ? collectToken() : advance();
+ index = pos;
+ lineNumber = line;
+ lineStart = start;
+ }
+
+ function Position(line, column) {
+ this.line = line;
+ this.column = column;
+ }
+
+ function SourceLocation(startLine, startColumn, line, column) {
+ this.start = new Position(startLine, startColumn);
+ this.end = new Position(line, column);
+ }
+
+ SyntaxTreeDelegate = {
+
+ name: 'SyntaxTree',
+
+ processComment: function (node) {
+ var lastChild, trailingComments;
+
+ if (node.type === Syntax.Program) {
+ if (node.body.length > 0) {
+ return;
+ }
+ }
+
+ if (extra.trailingComments.length > 0) {
+ if (extra.trailingComments[0].range[0] >= node.range[1]) {
+ trailingComments = extra.trailingComments;
+ extra.trailingComments = [];
+ } else {
+ extra.trailingComments.length = 0;
+ }
+ } else {
+ if (extra.bottomRightStack.length > 0 &&
+ extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments &&
+ extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments[0].range[0] >= node.range[1]) {
+ trailingComments = extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments;
+ delete extra.bottomRightStack[extra.bottomRightStack.length - 1].trailingComments;
+ }
+ }
+
+ // Eating the stack.
+ while (extra.bottomRightStack.length > 0 && extra.bottomRightStack[extra.bottomRightStack.length - 1].range[0] >= node.range[0]) {
+ lastChild = extra.bottomRightStack.pop();
+ }
+
+ if (lastChild) {
+ if (lastChild.leadingComments && lastChild.leadingComments[lastChild.leadingComments.length - 1].range[1] <= node.range[0]) {
+ node.leadingComments = lastChild.leadingComments;
+ delete lastChild.leadingComments;
+ }
+ } else if (extra.leadingComments.length > 0 && extra.leadingComments[extra.leadingComments.length - 1].range[1] <= node.range[0]) {
+ node.leadingComments = extra.leadingComments;
+ extra.leadingComments = [];
+ }
+
+
+ if (trailingComments) {
+ node.trailingComments = trailingComments;
+ }
+
+ extra.bottomRightStack.push(node);
+ },
+
+ markEnd: function (node, startToken) {
+ if (extra.range) {
+ node.range = [startToken.start, index];
+ }
+ if (extra.loc) {
+ node.loc = new SourceLocation(
+ startToken.startLineNumber === undefined ? startToken.lineNumber : startToken.startLineNumber,
+ startToken.start - (startToken.startLineStart === undefined ? startToken.lineStart : startToken.startLineStart),
+ lineNumber,
+ index - lineStart
+ );
+ this.postProcess(node);
+ }
+
+ if (extra.attachComment) {
+ this.processComment(node);
+ }
+ return node;
+ },
+
+ postProcess: function (node) {
+ if (extra.source) {
+ node.loc.source = extra.source;
+ }
+ return node;
+ },
+
+ 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) {
+ var type = (operator === '||' || operator === '&&') ? Syntax.LogicalExpression :
+ Syntax.BinaryExpression;
+ return {
+ type: type,
+ 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: source.slice(token.start, token.end)
+ };
+ },
+
+ 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,
+ prefix: true
+ };
+ },
+
+ 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) {
+ assert(index < args.length, 'Message reference must be in range');
+ return args[index];
+ }
+ );
+
+ if (typeof token.lineNumber === 'number') {
+ error = new Error('Line ' + token.lineNumber + ': ' + msg);
+ error.index = token.start;
+ error.lineNumber = token.lineNumber;
+ error.column = token.start - lineStart + 1;
+ } else {
+ error = new Error('Line ' + lineNumber + ': ' + msg);
+ error.index = index;
+ error.lineNumber = lineNumber;
+ error.column = index - lineStart + 1;
+ }
+
+ error.description = msg;
+ 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: immediately a semicolon (U+003B).
+ if (source.charCodeAt(index) === 0x3B || match(';')) {
+ lex();
+ return;
+ }
+
+ line = lineNumber;
+ skipComment();
+ if (lineNumber !== line) {
+ 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 = [], startToken;
+
+ startToken = lookahead;
+ expect('[');
+
+ while (!match(']')) {
+ if (match(',')) {
+ lex();
+ elements.push(null);
+ } else {
+ elements.push(parseAssignmentExpression());
+
+ if (!match(']')) {
+ expect(',');
+ }
+ }
+ }
+
+ lex();
+
+ return delegate.markEnd(delegate.createArrayExpression(elements), startToken);
+ }
+
+ // 11.1.5 Object Initialiser
+
+ function parsePropertyFunction(param, first) {
+ var previousStrict, body, startToken;
+
+ previousStrict = strict;
+ startToken = lookahead;
+ body = parseFunctionSourceElements();
+ if (first && strict && isRestrictedWord(param[0].name)) {
+ throwErrorTolerant(first, Messages.StrictParamName);
+ }
+ strict = previousStrict;
+ return delegate.markEnd(delegate.createFunctionExpression(null, param, [], body), startToken);
+ }
+
+ function parseObjectPropertyKey() {
+ var token, startToken;
+
+ startToken = lookahead;
+ 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.markEnd(delegate.createLiteral(token), startToken);
+ }
+
+ return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
+ }
+
+ function parseObjectProperty() {
+ var token, key, id, value, param, startToken;
+
+ token = lookahead;
+ startToken = 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.markEnd(delegate.createProperty('get', key, value), startToken);
+ }
+ if (token.value === 'set' && !match(':')) {
+ key = parseObjectPropertyKey();
+ expect('(');
+ token = lookahead;
+ if (token.type !== Token.Identifier) {
+ expect(')');
+ throwErrorTolerant(token, Messages.UnexpectedToken, token.value);
+ value = parsePropertyFunction([]);
+ } else {
+ param = [ parseVariableIdentifier() ];
+ expect(')');
+ value = parsePropertyFunction(param, token);
+ }
+ return delegate.markEnd(delegate.createProperty('set', key, value), startToken);
+ }
+ expect(':');
+ value = parseAssignmentExpression();
+ return delegate.markEnd(delegate.createProperty('init', id, value), startToken);
+ }
+ if (token.type === Token.EOF || token.type === Token.Punctuator) {
+ throwUnexpected(token);
+ } else {
+ key = parseObjectPropertyKey();
+ expect(':');
+ value = parseAssignmentExpression();
+ return delegate.markEnd(delegate.createProperty('init', key, value), startToken);
+ }
+ }
+
+ function parseObjectInitialiser() {
+ var properties = [], property, name, key, kind, map = {}, toString = String, startToken;
+
+ startToken = lookahead;
+
+ 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;
+
+ key = '$' + name;
+ if (Object.prototype.hasOwnProperty.call(map, key)) {
+ if (map[key] === 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[key] & kind) {
+ throwErrorTolerant({}, Messages.AccessorGetSet);
+ }
+ }
+ map[key] |= kind;
+ } else {
+ map[key] = kind;
+ }
+
+ properties.push(property);
+
+ if (!match('}')) {
+ expect(',');
+ }
+ }
+
+ expect('}');
+
+ return delegate.markEnd(delegate.createObjectExpression(properties), startToken);
+ }
+
+ // 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, expr, startToken;
+
+ if (match('(')) {
+ return parseGroupExpression();
+ }
+
+ if (match('[')) {
+ return parseArrayInitialiser();
+ }
+
+ if (match('{')) {
+ return parseObjectInitialiser();
+ }
+
+ type = lookahead.type;
+ startToken = lookahead;
+
+ if (type === Token.Identifier) {
+ expr = delegate.createIdentifier(lex().value);
+ } else if (type === Token.StringLiteral || type === Token.NumericLiteral) {
+ if (strict && lookahead.octal) {
+ throwErrorTolerant(lookahead, Messages.StrictOctalLiteral);
+ }
+ expr = delegate.createLiteral(lex());
+ } else if (type === Token.Keyword) {
+ if (matchKeyword('function')) {
+ return parseFunctionExpression();
+ }
+ if (matchKeyword('this')) {
+ lex();
+ expr = delegate.createThisExpression();
+ } else {
+ throwUnexpected(lex());
+ }
+ } else if (type === Token.BooleanLiteral) {
+ token = lex();
+ token.value = (token.value === 'true');
+ expr = delegate.createLiteral(token);
+ } else if (type === Token.NullLiteral) {
+ token = lex();
+ token.value = null;
+ expr = delegate.createLiteral(token);
+ } else if (match('/') || match('/=')) {
+ if (typeof extra.tokens !== 'undefined') {
+ expr = delegate.createLiteral(collectRegex());
+ } else {
+ expr = delegate.createLiteral(scanRegExp());
+ }
+ peek();
+ } else {
+ throwUnexpected(lex());
+ }
+
+ return delegate.markEnd(expr, startToken);
+ }
+
+ // 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, startToken;
+
+ startToken = lookahead;
+ token = lex();
+
+ if (!isIdentifierName(token)) {
+ throwUnexpected(token);
+ }
+
+ return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
+ }
+
+ function parseNonComputedMember() {
+ expect('.');
+
+ return parseNonComputedProperty();
+ }
+
+ function parseComputedMember() {
+ var expr;
+
+ expect('[');
+
+ expr = parseExpression();
+
+ expect(']');
+
+ return expr;
+ }
+
+ function parseNewExpression() {
+ var callee, args, startToken;
+
+ startToken = lookahead;
+ expectKeyword('new');
+ callee = parseLeftHandSideExpression();
+ args = match('(') ? parseArguments() : [];
+
+ return delegate.markEnd(delegate.createNewExpression(callee, args), startToken);
+ }
+
+ function parseLeftHandSideExpressionAllowCall() {
+ var previousAllowIn, expr, args, property, startToken;
+
+ startToken = lookahead;
+
+ previousAllowIn = state.allowIn;
+ state.allowIn = true;
+ expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
+ state.allowIn = previousAllowIn;
+
+ for (;;) {
+ if (match('.')) {
+ property = parseNonComputedMember();
+ expr = delegate.createMemberExpression('.', expr, property);
+ } else if (match('(')) {
+ args = parseArguments();
+ expr = delegate.createCallExpression(expr, args);
+ } else if (match('[')) {
+ property = parseComputedMember();
+ expr = delegate.createMemberExpression('[', expr, property);
+ } else {
+ break;
+ }
+ delegate.markEnd(expr, startToken);
+ }
+
+ return expr;
+ }
+
+ function parseLeftHandSideExpression() {
+ var previousAllowIn, expr, property, startToken;
+
+ startToken = lookahead;
+
+ previousAllowIn = state.allowIn;
+ expr = matchKeyword('new') ? parseNewExpression() : parsePrimaryExpression();
+ state.allowIn = previousAllowIn;
+
+ while (match('.') || match('[')) {
+ if (match('[')) {
+ property = parseComputedMember();
+ expr = delegate.createMemberExpression('[', expr, property);
+ } else {
+ property = parseNonComputedMember();
+ expr = delegate.createMemberExpression('.', expr, property);
+ }
+ delegate.markEnd(expr, startToken);
+ }
+
+ return expr;
+ }
+
+ // 11.3 Postfix Expressions
+
+ function parsePostfixExpression() {
+ var expr, token, startToken = lookahead;
+
+ expr = parseLeftHandSideExpressionAllowCall();
+
+ if (lookahead.type === Token.Punctuator) {
+ 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)) {
+ throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
+ }
+
+ token = lex();
+ expr = delegate.markEnd(delegate.createPostfixExpression(token.value, expr), startToken);
+ }
+ }
+
+ return expr;
+ }
+
+ // 11.4 Unary Operators
+
+ function parseUnaryExpression() {
+ var token, expr, startToken;
+
+ if (lookahead.type !== Token.Punctuator && lookahead.type !== Token.Keyword) {
+ expr = parsePostfixExpression();
+ } else if (match('++') || match('--')) {
+ startToken = lookahead;
+ 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)) {
+ throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
+ }
+
+ expr = delegate.createUnaryExpression(token.value, expr);
+ expr = delegate.markEnd(expr, startToken);
+ } else if (match('+') || match('-') || match('~') || match('!')) {
+ startToken = lookahead;
+ token = lex();
+ expr = parseUnaryExpression();
+ expr = delegate.createUnaryExpression(token.value, expr);
+ expr = delegate.markEnd(expr, startToken);
+ } else if (matchKeyword('delete') || matchKeyword('void') || matchKeyword('typeof')) {
+ startToken = lookahead;
+ token = lex();
+ expr = parseUnaryExpression();
+ expr = delegate.createUnaryExpression(token.value, expr);
+ expr = delegate.markEnd(expr, startToken);
+ if (strict && expr.operator === 'delete' && expr.argument.type === Syntax.Identifier) {
+ throwErrorTolerant({}, Messages.StrictDelete);
+ }
+ } else {
+ expr = parsePostfixExpression();
+ }
+
+ return expr;
+ }
+
+ 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
+
+ function parseBinaryExpression() {
+ var marker, markers, expr, token, prec, stack, right, operator, left, i;
+
+ marker = lookahead;
+ left = parseUnaryExpression();
+
+ token = lookahead;
+ prec = binaryPrecedence(token, state.allowIn);
+ if (prec === 0) {
+ return left;
+ }
+ token.prec = prec;
+ lex();
+
+ markers = [marker, lookahead];
+ right = parseUnaryExpression();
+
+ stack = [left, token, right];
+
+ while ((prec = binaryPrecedence(lookahead, state.allowIn)) > 0) {
+
+ // Reduce: make a binary expression from the three topmost entries.
+ while ((stack.length > 2) && (prec <= stack[stack.length - 2].prec)) {
+ right = stack.pop();
+ operator = stack.pop().value;
+ left = stack.pop();
+ expr = delegate.createBinaryExpression(operator, left, right);
+ markers.pop();
+ marker = markers[markers.length - 1];
+ delegate.markEnd(expr, marker);
+ stack.push(expr);
+ }
+
+ // Shift.
+ token = lex();
+ token.prec = prec;
+ stack.push(token);
+ markers.push(lookahead);
+ expr = parseUnaryExpression();
+ stack.push(expr);
+ }
+
+ // Final reduce to clean-up the stack.
+ i = stack.length - 1;
+ expr = stack[i];
+ markers.pop();
+ while (i > 1) {
+ expr = delegate.createBinaryExpression(stack[i - 1].value, stack[i - 2], expr);
+ i -= 2;
+ marker = markers.pop();
+ delegate.markEnd(expr, marker);
+ }
+
+ return expr;
+ }
+
+
+ // 11.12 Conditional Operator
+
+ function parseConditionalExpression() {
+ var expr, previousAllowIn, consequent, alternate, startToken;
+
+ startToken = lookahead;
+
+ 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);
+ delegate.markEnd(expr, startToken);
+ }
+
+ return expr;
+ }
+
+ // 11.13 Assignment Operators
+
+ function parseAssignmentExpression() {
+ var token, left, right, node, startToken;
+
+ token = lookahead;
+ startToken = lookahead;
+
+ node = left = parseConditionalExpression();
+
+ if (matchAssign()) {
+ // LeftHandSideExpression
+ if (!isLeftHandSide(left)) {
+ throwErrorTolerant({}, Messages.InvalidLHSInAssignment);
+ }
+
+ // 11.13.1
+ if (strict && left.type === Syntax.Identifier && isRestrictedWord(left.name)) {
+ throwErrorTolerant(token, Messages.StrictLHSAssignment);
+ }
+
+ token = lex();
+ right = parseAssignmentExpression();
+ node = delegate.markEnd(delegate.createAssignmentExpression(token.value, left, right), startToken);
+ }
+
+ return node;
+ }
+
+ // 11.14 Comma Operator
+
+ function parseExpression() {
+ var expr, startToken = lookahead;
+
+ expr = parseAssignmentExpression();
+
+ if (match(',')) {
+ expr = delegate.createSequenceExpression([ expr ]);
+
+ while (index < length) {
+ if (!match(',')) {
+ break;
+ }
+ lex();
+ expr.expressions.push(parseAssignmentExpression());
+ }
+
+ delegate.markEnd(expr, startToken);
+ }
+
+ 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, startToken;
+
+ startToken = lookahead;
+ expect('{');
+
+ block = parseStatementList();
+
+ expect('}');
+
+ return delegate.markEnd(delegate.createBlockStatement(block), startToken);
+ }
+
+ // 12.2 Variable Statement
+
+ function parseVariableIdentifier() {
+ var token, startToken;
+
+ startToken = lookahead;
+ token = lex();
+
+ if (token.type !== Token.Identifier) {
+ throwUnexpected(token);
+ }
+
+ return delegate.markEnd(delegate.createIdentifier(token.value), startToken);
+ }
+
+ function parseVariableDeclaration(kind) {
+ var init = null, id, startToken;
+
+ startToken = lookahead;
+ id = parseVariableIdentifier();
+
+ // 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.markEnd(delegate.createVariableDeclarator(id, init), startToken);
+ }
+
+ function parseVariableDeclarationList(kind) {
+ var list = [];
+
+ do {
+ list.push(parseVariableDeclaration(kind));
+ if (!match(',')) {
+ break;
+ }
+ lex();
+ } while (index < length);
+
+ 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, startToken;
+
+ startToken = lookahead;
+
+ expectKeyword(kind);
+
+ declarations = parseVariableDeclarationList(kind);
+
+ consumeSemicolon();
+
+ return delegate.markEnd(delegate.createVariableDeclaration(declarations, kind), startToken);
+ }
+
+ // 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, declarations, startToken;
+
+ startToken = lookahead;
+ token = lex();
+ declarations = parseVariableDeclarationList();
+
+ return delegate.markEnd(delegate.createVariableDeclaration(declarations, token.value), startToken);
+ }
+
+ 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)) {
+ throwErrorTolerant({}, 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, key;
+
+ expectKeyword('continue');
+
+ // Optimize the most common form: 'continue;'.
+ if (source.charCodeAt(index) === 0x3B) {
+ 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();
+
+ key = '$' + label.name;
+ if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
+ 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, key;
+
+ expectKeyword('break');
+
+ // Catch the very common case first: immediately a semicolon (U+003B).
+ if (source.charCodeAt(index) === 0x3B) {
+ 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();
+
+ key = '$' + label.name;
+ if (!Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
+ 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.charCodeAt(index) === 0x20) {
+ if (isIdentifierStart(source.charCodeAt(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) {
+ // TODO(ikarienator): Should we update the test cases instead?
+ skipComment();
+ 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, startToken;
+
+ startToken = lookahead;
+ if (matchKeyword('default')) {
+ lex();
+ test = null;
+ } else {
+ expectKeyword('case');
+ test = parseExpression();
+ }
+ expect(':');
+
+ while (index < length) {
+ if (match('}') || matchKeyword('default') || matchKeyword('case')) {
+ break;
+ }
+ statement = parseStatement();
+ consequent.push(statement);
+ }
+
+ return delegate.markEnd(delegate.createSwitchCase(test, consequent), startToken);
+ }
+
+ function parseSwitchStatement() {
+ var discriminant, cases, clause, oldInSwitch, defaultFound;
+
+ expectKeyword('switch');
+
+ expect('(');
+
+ discriminant = parseExpression();
+
+ expect(')');
+
+ expect('{');
+
+ cases = [];
+
+ 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, startToken;
+
+ startToken = lookahead;
+ expectKeyword('catch');
+
+ expect('(');
+ if (match(')')) {
+ throwUnexpected(lookahead);
+ }
+
+ param = parseVariableIdentifier();
+ // 12.14.1
+ if (strict && isRestrictedWord(param.name)) {
+ throwErrorTolerant({}, Messages.StrictCatchVariable);
+ }
+
+ expect(')');
+ body = parseBlock();
+ return delegate.markEnd(delegate.createCatchClause(param, body), startToken);
+ }
+
+ 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,
+ key,
+ startToken;
+
+ if (type === Token.EOF) {
+ throwUnexpected(lookahead);
+ }
+
+ if (type === Token.Punctuator && lookahead.value === '{') {
+ return parseBlock();
+ }
+
+ startToken = lookahead;
+
+ if (type === Token.Punctuator) {
+ switch (lookahead.value) {
+ case ';':
+ return delegate.markEnd(parseEmptyStatement(), startToken);
+ case '(':
+ return delegate.markEnd(parseExpressionStatement(), startToken);
+ default:
+ break;
+ }
+ }
+
+ if (type === Token.Keyword) {
+ switch (lookahead.value) {
+ case 'break':
+ return delegate.markEnd(parseBreakStatement(), startToken);
+ case 'continue':
+ return delegate.markEnd(parseContinueStatement(), startToken);
+ case 'debugger':
+ return delegate.markEnd(parseDebuggerStatement(), startToken);
+ case 'do':
+ return delegate.markEnd(parseDoWhileStatement(), startToken);
+ case 'for':
+ return delegate.markEnd(parseForStatement(), startToken);
+ case 'function':
+ return delegate.markEnd(parseFunctionDeclaration(), startToken);
+ case 'if':
+ return delegate.markEnd(parseIfStatement(), startToken);
+ case 'return':
+ return delegate.markEnd(parseReturnStatement(), startToken);
+ case 'switch':
+ return delegate.markEnd(parseSwitchStatement(), startToken);
+ case 'throw':
+ return delegate.markEnd(parseThrowStatement(), startToken);
+ case 'try':
+ return delegate.markEnd(parseTryStatement(), startToken);
+ case 'var':
+ return delegate.markEnd(parseVariableStatement(), startToken);
+ case 'while':
+ return delegate.markEnd(parseWhileStatement(), startToken);
+ case 'with':
+ return delegate.markEnd(parseWithStatement(), startToken);
+ default:
+ break;
+ }
+ }
+
+ expr = parseExpression();
+
+ // 12.12 Labelled Statements
+ if ((expr.type === Syntax.Identifier) && match(':')) {
+ lex();
+
+ key = '$' + expr.name;
+ if (Object.prototype.hasOwnProperty.call(state.labelSet, key)) {
+ throwError({}, Messages.Redeclaration, 'Label', expr.name);
+ }
+
+ state.labelSet[key] = true;
+ labeledBody = parseStatement();
+ delete state.labelSet[key];
+ return delegate.markEnd(delegate.createLabeledStatement(expr, labeledBody), startToken);
+ }
+
+ consumeSemicolon();
+
+ return delegate.markEnd(delegate.createExpressionStatement(expr), startToken);
+ }
+
+ // 13 Function Definition
+
+ function parseFunctionSourceElements() {
+ var sourceElement, sourceElements = [], token, directive, firstRestricted,
+ oldLabelSet, oldInIteration, oldInSwitch, oldInFunctionBody, startToken;
+
+ startToken = lookahead;
+ 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 = source.slice(token.start + 1, token.end - 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.markEnd(delegate.createBlockStatement(sourceElements), startToken);
+ }
+
+ function parseParams(firstRestricted) {
+ var param, params = [], token, stricted, paramSet, key, message;
+ expect('(');
+
+ if (!match(')')) {
+ paramSet = {};
+ while (index < length) {
+ token = lookahead;
+ param = parseVariableIdentifier();
+ key = '$' + token.value;
+ if (strict) {
+ if (isRestrictedWord(token.value)) {
+ stricted = token;
+ message = Messages.StrictParamName;
+ }
+ if (Object.prototype.hasOwnProperty.call(paramSet, key)) {
+ 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, key)) {
+ firstRestricted = token;
+ message = Messages.StrictParamDupe;
+ }
+ }
+ params.push(param);
+ paramSet[key] = 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, startToken;
+
+ startToken = lookahead;
+
+ 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.markEnd(delegate.createFunctionDeclaration(id, params, [], body), startToken);
+ }
+
+ function parseFunctionExpression() {
+ var token, id = null, stricted, firstRestricted, message, tmp, params = [], body, previousStrict, startToken;
+
+ startToken = lookahead;
+ 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.markEnd(delegate.createFunctionExpression(id, params, [], body), startToken);
+ }
+
+ // 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 = source.slice(token.start + 1, token.end - 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();
+ /* istanbul ignore if */
+ if (typeof sourceElement === 'undefined') {
+ break;
+ }
+ sourceElements.push(sourceElement);
+ }
+ return sourceElements;
+ }
+
+ function parseProgram() {
+ var body, startToken;
+
+ skipComment();
+ peek();
+ startToken = lookahead;
+ strict = false;
+
+ body = parseSourceElements();
+ return delegate.markEnd(delegate.createProgram(body), startToken);
+ }
+
+ 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 tokenize(code, options) {
+ var toString,
+ token,
+ tokens;
+
+ toString = String;
+ if (typeof code !== 'string' && !(code instanceof String)) {
+ code = toString(code);
+ }
+
+ delegate = SyntaxTreeDelegate;
+ source = code;
+ index = 0;
+ lineNumber = (source.length > 0) ? 1 : 0;
+ lineStart = 0;
+ length = source.length;
+ lookahead = null;
+ state = {
+ allowIn: true,
+ labelSet: {},
+ inFunctionBody: false,
+ inIteration: false,
+ inSwitch: false,
+ lastCommentStart: -1
+ };
+
+ extra = {};
+
+ // Options matching.
+ options = options || {};
+
+ // Of course we collect tokens here.
+ options.tokens = true;
+ extra.tokens = [];
+ extra.tokenize = true;
+ // The following two fields are necessary to compute the Regex tokens.
+ extra.openParenToken = -1;
+ extra.openCurlyToken = -1;
+
+ extra.range = (typeof options.range === 'boolean') && options.range;
+ extra.loc = (typeof options.loc === 'boolean') && options.loc;
+
+ if (typeof options.comment === 'boolean' && options.comment) {
+ extra.comments = [];
+ }
+ if (typeof options.tolerant === 'boolean' && options.tolerant) {
+ extra.errors = [];
+ }
+
+ try {
+ peek();
+ if (lookahead.type === Token.EOF) {
+ return extra.tokens;
+ }
+
+ token = lex();
+ while (lookahead.type !== Token.EOF) {
+ try {
+ token = lex();
+ } catch (lexError) {
+ token = lookahead;
+ if (extra.errors) {
+ extra.errors.push(lexError);
+ // We have to break on the first error
+ // to avoid infinite loops.
+ break;
+ } else {
+ throw lexError;
+ }
+ }
+ }
+
+ filterTokenLocation();
+ tokens = extra.tokens;
+ if (typeof extra.comments !== 'undefined') {
+ tokens.comments = extra.comments;
+ }
+ if (typeof extra.errors !== 'undefined') {
+ tokens.errors = extra.errors;
+ }
+ } catch (e) {
+ throw e;
+ } finally {
+ extra = {};
+ }
+ return tokens;
+ }
+
+ function parse(code, options) {
+ var program, toString;
+
+ toString = String;
+ if (typeof code !== 'string' && !(code instanceof String)) {
+ code = toString(code);
+ }
+
+ delegate = SyntaxTreeDelegate;
+ source = code;
+ index = 0;
+ lineNumber = (source.length > 0) ? 1 : 0;
+ lineStart = 0;
+ length = source.length;
+ lookahead = null;
+ state = {
+ allowIn: true,
+ labelSet: {},
+ inFunctionBody: false,
+ inIteration: false,
+ inSwitch: false,
+ lastCommentStart: -1
+ };
+
+ extra = {};
+ if (typeof options !== 'undefined') {
+ extra.range = (typeof options.range === 'boolean') && options.range;
+ extra.loc = (typeof options.loc === 'boolean') && options.loc;
+ extra.attachComment = (typeof options.attachComment === 'boolean') && options.attachComment;
+
+ if (extra.loc && options.source !== null && options.source !== undefined) {
+ extra.source = toString(options.source);
+ }
+
+ if (typeof options.tokens === 'boolean' && options.tokens) {
+ extra.tokens = [];
+ }
+ if (typeof options.comment === 'boolean' && options.comment) {
+ extra.comments = [];
+ }
+ if (typeof options.tolerant === 'boolean' && options.tolerant) {
+ extra.errors = [];
+ }
+ if (extra.attachComment) {
+ extra.range = true;
+ extra.comments = [];
+ extra.bottomRightStack = [];
+ extra.trailingComments = [];
+ extra.leadingComments = [];
+ }
+ }
+
+ try {
+ program = parseProgram();
+ if (typeof extra.comments !== 'undefined') {
+ program.comments = extra.comments;
+ }
+ if (typeof extra.tokens !== 'undefined') {
+ filterTokenLocation();
+ program.tokens = extra.tokens;
+ }
+ if (typeof extra.errors !== 'undefined') {
+ program.errors = extra.errors;
+ }
+ } catch (e) {
+ throw e;
+ } finally {
+ extra = {};
+ }
+
+ return program;
+ }
+
+ // Sync with *.json manifests.
+ exports.version = '1.2.2';
+
+ exports.tokenize = tokenize;
+
+ exports.parse = parse;
+
+ // Deep copy.
+ /* istanbul ignore next */
+ exports.Syntax = (function () {
+ var name, types = {};
+
+ if (typeof Object.create === 'function') {
+ types = Object.create(null);
+ }
+
+ for (name in Syntax) {
+ if (Syntax.hasOwnProperty(name)) {
+ types[name] = Syntax[name];
+ }
+ }
+
+ if (typeof Object.freeze === 'function') {
+ Object.freeze(types);
+ }
+
+ return types;
+ }());
+
+}));
+/* vim: set sw=4 ts=4 et tw=80 : */
+
+})(null);
+/*!
+ * falafel (c) James Halliday / MIT License
+ * https://github.com/substack/node-falafel
+ */
+
+(function(require,module){
+var parse = require('esprima').parse;
+var objectKeys = Object.keys || function (obj) {
+ var keys = [];
+ for (var key in obj) keys.push(key);
+ return keys;
+};
+var forEach = function (xs, fn) {
+ if (xs.forEach) return xs.forEach(fn);
+ for (var i = 0; i < xs.length; i++) {
+ fn.call(xs, xs[i], i, xs);
+ }
+};
+
+var isArray = Array.isArray || function (xs) {
+ return Object.prototype.toString.call(xs) === '[object Array]';
+};
+
+module.exports = function (src, opts, fn) {
+ if (typeof opts === 'function') {
+ fn = opts;
+ opts = {};
+ }
+ if (typeof src === 'object') {
+ opts = src;
+ src = opts.source;
+ delete opts.source;
+ }
+ src = src === undefined ? opts.source : src;
+ opts.range = true;
+ if (typeof src !== 'string') src = String(src);
+
+ var ast = parse(src, opts);
+
+ var result = {
+ chunks : src.split(''),
+ toString : function () { return result.chunks.join('') },
+ inspect : function () { return result.toString() }
+ };
+ var index = 0;
+
+ (function walk (node, parent) {
+ insertHelpers(node, parent, result.chunks);
+
+ forEach(objectKeys(node), function (key) {
+ if (key === 'parent') return;
+
+ var child = node[key];
+ if (isArray(child)) {
+ forEach(child, function (c) {
+ if (c && typeof c.type === 'string') {
+ walk(c, node);
+ }
+ });
+ }
+ else if (child && typeof child.type === 'string') {
+ insertHelpers(child, node, result.chunks);
+ walk(child, node);
+ }
+ });
+ fn(node);
+ })(ast, undefined);
+
+ return result;
+};
+
+function insertHelpers (node, parent, chunks) {
+ if (!node.range) return;
+
+ node.parent = parent;
+
+ node.source = function () {
+ return chunks.slice(
+ node.range[0], node.range[1]
+ ).join('');
+ };
+
+ if (node.update && typeof node.update === 'object') {
+ var prev = node.update;
+ forEach(objectKeys(prev), function (key) {
+ update[key] = prev[key];
+ });
+ node.update = update;
+ }
+ else {
+ node.update = update;
+ }
+
+ function update (s) {
+ chunks[node.range[0]] = s;
+ for (var i = node.range[0] + 1; i < node.range[1]; i++) {
+ chunks[i] = '';
+ }
+ };
+}
+
+window.falafel = module.exports;})(function(){return {parse: esprima.parse};},{exports: {}});
+var inBrowser = typeof window !== 'undefined' && this === window;
+var parseAndModify = (inBrowser ? window.falafel : require("falafel"));
+
+(inBrowser ? window : exports).blanket = (function(){
+ var linesToAddTracking = [
+ "ExpressionStatement",
+ "BreakStatement" ,
+ "ContinueStatement" ,
+ "VariableDeclaration",
+ "ReturnStatement" ,
+ "ThrowStatement" ,
+ "TryStatement" ,
+ "FunctionDeclaration" ,
+ "IfStatement" ,
+ "WhileStatement" ,
+ "DoWhileStatement" ,
+ "ForStatement" ,
+ "ForInStatement" ,
+ "SwitchStatement" ,
+ "WithStatement"
+ ],
+ linesToAddBrackets = [
+ "IfStatement" ,
+ "WhileStatement" ,
+ "DoWhileStatement" ,
+ "ForStatement" ,
+ "ForInStatement" ,
+ "WithStatement"
+ ],
+ __blanket,
+ copynumber = Math.floor(Math.random()*1000),
+ coverageInfo = {},options = {
+ reporter: null,
+ adapter:null,
+ filter: null,
+ customVariable: null,
+ loader: null,
+ ignoreScriptError: false,
+ existingRequireJS:false,
+ autoStart: false,
+ timeout: 180,
+ ignoreCors: false,
+ branchTracking: false,
+ sourceURL: false,
+ debug:false,
+ engineOnly:false,
+ testReadyCallback:null,
+ commonJS:false,
+ instrumentCache:false,
+ modulePattern: null
+ };
+
+ if (inBrowser && typeof window.blanket !== 'undefined'){
+ __blanket = window.blanket.noConflict();
+ }
+
+ _blanket = {
+ noConflict: function(){
+ if (__blanket){
+ return __blanket;
+ }
+ return _blanket;
+ },
+ _getCopyNumber: function(){
+ //internal method
+ //for differentiating between instances
+ return copynumber;
+ },
+ extend: function(obj) {
+ //borrowed from underscore
+ _blanket._extend(_blanket,obj);
+ },
+ _extend: function(dest,source){
+ if (source) {
+ for (var prop in source) {
+ if ( dest[prop] instanceof Object && typeof dest[prop] !== "function"){
+ _blanket._extend(dest[prop],source[prop]);
+ }else{
+ dest[prop] = source[prop];
+ }
+ }
+ }
+ },
+ getCovVar: function(){
+ var opt = _blanket.options("customVariable");
+ if (opt){
+ if (_blanket.options("debug")) {console.log("BLANKET-Using custom tracking variable:",opt);}
+ return inBrowser ? "window."+opt : opt;
+ }
+ return inBrowser ? "window._$blanket" : "_$jscoverage";
+ },
+ options: function(key,value){
+ if (typeof key !== "string"){
+ _blanket._extend(options,key);
+ }else if (typeof value === 'undefined'){
+ return options[key];
+ }else{
+ options[key]=value;
+ }
+ },
+ instrument: function(config, next){
+ //check instrumented hash table,
+ //return instrumented code if available.
+ var inFile = config.inputFile,
+ inFileName = config.inputFileName;
+ //check instrument cache
+ if (_blanket.options("instrumentCache") && sessionStorage && sessionStorage.getItem("blanket_instrument_store-"+inFileName)){
+ if (_blanket.options("debug")) {console.log("BLANKET-Reading instrumentation from cache: ",inFileName);}
+ next(sessionStorage.getItem("blanket_instrument_store-"+inFileName));
+ }else{
+ var sourceArray = _blanket._prepareSource(inFile);
+ _blanket._trackingArraySetup=[];
+ //remove shebang
+ inFile = inFile.replace(/^\#\!.*/, "");
+ var instrumented = parseAndModify(inFile,{loc:true,comment:true}, _blanket._addTracking(inFileName));
+ instrumented = _blanket._trackingSetup(inFileName,sourceArray)+instrumented;
+ if (_blanket.options("sourceURL")){
+ instrumented += "\n//@ sourceURL="+inFileName.replace("http://","");
+ }
+ if (_blanket.options("debug")) {console.log("BLANKET-Instrumented file: ",inFileName);}
+ if (_blanket.options("instrumentCache") && sessionStorage){
+ if (_blanket.options("debug")) {console.log("BLANKET-Saving instrumentation to cache: ",inFileName);}
+ sessionStorage.setItem("blanket_instrument_store-"+inFileName,instrumented);
+ }
+ next(instrumented);
+ }
+ },
+ _trackingArraySetup: [],
+ _branchingArraySetup: [],
+ _prepareSource: function(source){
+ return source.replace(/\\/g,"\\\\").replace(/'/g,"\\'").replace(/(\r\n|\n|\r)/gm,"\n").split('\n');
+ },
+ _trackingSetup: function(filename,sourceArray){
+ var branches = _blanket.options("branchTracking");
+ var sourceString = sourceArray.join("',\n'");
+ var intro = "";
+ var covVar = _blanket.getCovVar();
+
+ intro += "if (typeof "+covVar+" === 'undefined') "+covVar+" = {};\n";
+ if (branches){
+ intro += "var _$branchFcn=function(f,l,c,r){ ";
+ intro += "if (!!r) { ";
+ intro += covVar+"[f].branchData[l][c][0] = "+covVar+"[f].branchData[l][c][0] || [];";
+ intro += covVar+"[f].branchData[l][c][0].push(r); }";
+ intro += "else { ";
+ intro += covVar+"[f].branchData[l][c][1] = "+covVar+"[f].branchData[l][c][1] || [];";
+ intro += covVar+"[f].branchData[l][c][1].push(r); }";
+ intro += "return r;};\n";
+ }
+ intro += "if (typeof "+covVar+"['"+filename+"'] === 'undefined'){";
+
+ intro += covVar+"['"+filename+"']=[];\n";
+ if (branches){
+ intro += covVar+"['"+filename+"'].branchData=[];\n";
+ }
+ intro += covVar+"['"+filename+"'].source=['"+sourceString+"'];\n";
+ //initialize array values
+ _blanket._trackingArraySetup.sort(function(a,b){
+ return parseInt(a,10) > parseInt(b,10);
+ }).forEach(function(item){
+ intro += covVar+"['"+filename+"']["+item+"]=0;\n";
+ });
+ if (branches){
+ _blanket._branchingArraySetup.sort(function(a,b){
+ return a.line > b.line;
+ }).sort(function(a,b){
+ return a.column > b.column;
+ }).forEach(function(item){
+ if (item.file === filename){
+ intro += "if (typeof "+ covVar+"['"+filename+"'].branchData["+item.line+"] === 'undefined'){\n";
+ intro += covVar+"['"+filename+"'].branchData["+item.line+"]=[];\n";
+ intro += "}";
+ intro += covVar+"['"+filename+"'].branchData["+item.line+"]["+item.column+"] = [];\n";
+ intro += covVar+"['"+filename+"'].branchData["+item.line+"]["+item.column+"].consequent = "+JSON.stringify(item.consequent)+";\n";
+ intro += covVar+"['"+filename+"'].branchData["+item.line+"]["+item.column+"].alternate = "+JSON.stringify(item.alternate)+";\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( bracketsExistObject && bracketsExistObject.type !== "BlockStatement") {
+ bracketsExistObject.update("{\n"+bracketsExistObject.source()+"}\n");
+ }
+ }
+ },
+ _trackBranch: function(node,filename){
+ //recursive on consequent and alternative
+ var line = node.loc.start.line;
+ var col = node.loc.start.column;
+
+ _blanket._branchingArraySetup.push({
+ line: line,
+ column: col,
+ file:filename,
+ consequent: node.consequent.loc,
+ alternate: node.alternate.loc
+ });
+
+ var updated = "_$branchFcn"+
+ "('"+filename+"',"+line+","+col+","+node.test.source()+
+ ")?"+node.consequent.source()+":"+node.alternate.source();
+ node.update(updated);
+ },
+ _addTracking: function (filename) {
+ //falafel doesn't take a file name
+ //so we include the filename in a closure
+ //and return the function to falafel
+ var covVar = _blanket.getCovVar();
+
+ return function(node){
+ _blanket._blockifyIf(node);
+
+ if (linesToAddTracking.indexOf(node.type) > -1 && node.parent.type !== "LabeledStatement") {
+ _blanket._checkDefs(node,filename);
+ 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+"]++;\n"+node.source());
+ _blanket._trackingArraySetup.push(node.loc.start.line);
+ }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));
+ }
+ }else if (_blanket.options("branchTracking") && node.type === "ConditionalExpression"){
+ _blanket._trackBranch(node,filename);
+ }
+ };
+ },
+ _checkDefs: function(node,filename){
+ // Make sure developers don't redefine window. if they do, inform them it is wrong.
+ if (inBrowser){
+ if (node.type === "VariableDeclaration" && node.declarations) {
+ node.declarations.forEach(function(declaration) {
+ if (declaration.id.name === "window") {
+ throw new Error("Instrumentation error, you cannot redefine the 'window' variable in " + filename + ":" + node.loc.start.line);
+ }
+ });
+ }
+ if (node.type === "FunctionDeclaration" && node.params) {
+ node.params.forEach(function(param) {
+ if (param.name === "window") {
+ throw new Error("Instrumentation error, you cannot redefine the 'window' variable in " + filename + ":" + node.loc.start.line);
+ }
+ });
+ }
+ //Make sure developers don't redefine the coverage variable
+ if (node.type === "ExpressionStatement" &&
+ node.expression && node.expression.left &&
+ node.expression.left.object && node.expression.left.property &&
+ node.expression.left.object.name +
+ "." + node.expression.left.property.name === _blanket.getCovVar()) {
+ throw new Error("Instrumentation error, you cannot redefine the coverage variable in " + filename + ":" + node.loc.start.line);
+ }
+ }else{
+ //Make sure developers don't redefine the coverage variable in node
+ if (node.type === "ExpressionStatement" &&
+ node.expression && node.expression.left &&
+ !node.expression.left.object && !node.expression.left.property &&
+ node.expression.left.name === _blanket.getCovVar()) {
+ throw new Error("Instrumentation error, you cannot redefine the coverage variable in " + filename + ":" + node.loc.start.line);
+ }
+ }
+ },
+ setupCoverage: function(){
+ coverageInfo.instrumentation = "blanket";
+ coverageInfo.stats = {
+ "suites": 0,
+ "tests": 0,
+ "passes": 0,
+ "pending": 0,
+ "failures": 0,
+ "start": new Date()
+ };
+ },
+ _checkIfSetup: function(){
+ if (!coverageInfo.stats){
+ throw new Error("You must call blanket.setupCoverage() first.");
+ }
+ },
+ onTestStart: function(){
+ if (_blanket.options("debug")) {console.log("BLANKET-Test event started");}
+ this._checkIfSetup();
+ coverageInfo.stats.tests++;
+ coverageInfo.stats.pending++;
+ },
+ onTestDone: function(total,passed){
+ this._checkIfSetup();
+ if(passed === total){
+ coverageInfo.stats.passes++;
+ }else{
+ coverageInfo.stats.failures++;
+ }
+ coverageInfo.stats.pending--;
+ },
+ onModuleStart: function(){
+ this._checkIfSetup();
+ coverageInfo.stats.suites++;
+ },
+ onTestsDone: function(){
+ if (_blanket.options("debug")) {console.log("BLANKET-Test event done");}
+ this._checkIfSetup();
+ coverageInfo.stats.end = new Date();
+
+ if (inBrowser){
+ this.report(coverageInfo);
+ }else{
+ if (!_blanket.options("branchTracking")){
+ delete (inBrowser ? window : global)[_blanket.getCovVar()].branchFcn;
+ }
+ this.options("reporter").call(this,coverageInfo);
+ }
+ }
+ };
+ return _blanket;
+})();
+
+(function(_blanket){
+ var oldOptions = _blanket.options;
+_blanket.extend({
+ outstandingRequireFiles:[],
+ options: function(key,value){
+ var newVal={};
+
+ if (typeof key !== "string"){
+ //key is key/value map
+ oldOptions(key);
+ newVal = key;
+ }else if (typeof value === 'undefined'){
+ //accessor
+ return oldOptions(key);
+ }else{
+ //setter
+ oldOptions(key,value);
+ newVal[key] = value;
+ }
+
+ if (newVal.adapter){
+ _blanket._loadFile(newVal.adapter);
+ }
+ if (newVal.loader){
+ _blanket._loadFile(newVal.loader);
+ }
+ },
+ requiringFile: function(filename,done){
+ if (typeof filename === "undefined"){
+ _blanket.outstandingRequireFiles=[];
+ }else if (typeof done === "undefined"){
+ _blanket.outstandingRequireFiles.push(filename);
+ }else{
+ _blanket.outstandingRequireFiles.splice(_blanket.outstandingRequireFiles.indexOf(filename),1);
+ }
+ },
+ requireFilesLoaded: function(){
+ return _blanket.outstandingRequireFiles.length === 0;
+ },
+ showManualLoader: function(){
+ if (document.getElementById("blanketLoaderDialog")){
+ return;
+ }
+ //copied from http://blog.avtex.com/2012/01/26/cross-browser-css-only-modal-box/
+ var loader = "<div class='blanketDialogOverlay'>";
+ loader += " </div>";
+ loader += "<div class='blanketDialogVerticalOffset'>";
+ loader += "<div class='blanketDialogBox'>";
+ loader += "<b>Error:</b> Blanket.js encountered a cross origin request error while instrumenting the source files. ";
+ loader += "<br><br>This is likely caused by the source files being referenced locally (using the file:// protocol). ";
+ loader += "<br><br>Some solutions include <a href='http://askubuntu.com/questions/160245/making-google-chrome-option-allow-file-access-from-files-permanent' target='_blank'>starting Chrome with special flags</a>, <a target='_blank' href='https://github.com/remy/servedir'>running a server locally</a>, or using a browser without these CORS restrictions (Safari).";
+ loader += "<br>";
+ if (typeof FileReader !== "undefined"){
+ loader += "<br>Or, try the experimental loader. When prompted, simply click on the directory containing all the source files you want covered.";
+ loader += "<a href='javascript:document.getElementById(\"fileInput\").click();'>Start Loader</a>";
+ loader += "<input type='file' type='application/x-javascript' accept='application/x-javascript' webkitdirectory id='fileInput' multiple onchange='window.blanket.manualFileLoader(this.files)' style='visibility:hidden;position:absolute;top:-50;left:-50'/>";
+ }
+ loader += "<br><span style='float:right;cursor:pointer;' onclick=document.getElementById('blanketLoaderDialog').style.display='none';>Close</span>";
+ loader += "<div style='clear:both'></div>";
+ loader += "</div></div>";
+
+ var css = ".blanketDialogWrapper {";
+ css += "display:block;";
+ css += "position:fixed;";
+ css += "z-index:40001; }";
+
+ css += ".blanketDialogOverlay {";
+ css += "position:fixed;";
+ css += "width:100%;";
+ css += "height:100%;";
+ css += "background-color:black;";
+ css += "opacity:.5; ";
+ css += "-ms-filter:'progid:DXImageTransform.Microsoft.Alpha(Opacity=50)'; ";
+ css += "filter:alpha(opacity=50); ";
+ css += "z-index:40001; }";
+
+ css += ".blanketDialogVerticalOffset { ";
+ css += "position:fixed;";
+ css += "top:30%;";
+ css += "width:100%;";
+ css += "z-index:40002; }";
+
+ css += ".blanketDialogBox { ";
+ css += "width:405px; ";
+ css += "position:relative;";
+ css += "margin:0 auto;";
+ css += "background-color:white;";
+ css += "padding:10px;";
+ css += "border:1px solid black; }";
+
+ var dom = document.createElement("style");
+ dom.innerHTML = css;
+ document.head.appendChild(dom);
+
+ var div = document.createElement("div");
+ div.id = "blanketLoaderDialog";
+ div.className = "blanketDialogWrapper";
+ div.innerHTML = loader;
+ document.body.insertBefore(div,document.body.firstChild);
+
+ },
+ manualFileLoader: function(files){
+ var toArray =Array.prototype.slice;
+ files = toArray.call(files).filter(function(item){
+ return item.type !== "";
+ });
+ var sessionLength = files.length-1;
+ var sessionIndx=0;
+ var sessionArray = {};
+ if (sessionStorage["blanketSessionLoader"]){
+ sessionArray = JSON.parse(sessionStorage["blanketSessionLoader"]);
+ }
+
+
+ var fileLoader = function(event){
+ var fileContent = event.currentTarget.result;
+ var file = files[sessionIndx];
+ var filename = file.webkitRelativePath && file.webkitRelativePath !== '' ? file.webkitRelativePath : file.name;
+ sessionArray[filename] = fileContent;
+ sessionIndx++;
+ if (sessionIndx === sessionLength){
+ sessionStorage.setItem("blanketSessionLoader", JSON.stringify(sessionArray));
+ document.location.reload();
+ }else{
+ readFile(files[sessionIndx]);
+ }
+ };
+ function readFile(file){
+ var reader = new FileReader();
+ reader.onload = fileLoader;
+ reader.readAsText(file);
+ }
+ readFile(files[sessionIndx]);
+ },
+ _loadFile: function(path){
+ if (typeof path !== "undefined"){
+ var request = new XMLHttpRequest();
+ request.open('GET', path, false);
+ request.send();
+ _blanket._addScript(request.responseText);
+ }
+ },
+ _addScript: function(data){
+ var script = document.createElement("script");
+ script.type = "text/javascript";
+ script.text = data;
+ (document.body || document.getElementsByTagName('head')[0]).appendChild(script);
+ },
+ hasAdapter: function(callback){
+ return _blanket.options("adapter") !== null;
+ },
+ report: function(coverage_data){
+ if (!document.getElementById("blanketLoaderDialog")){
+ //all found, clear it
+ _blanket.blanketSession = null;
+ }
+ coverage_data.files = window._$blanket;
+ var require = blanket.options("commonJS") ? blanket._commonjs.require : window.require;
+
+ // Check if we have any covered files that requires reporting
+ // otherwise just exit gracefully.
+ if (!coverage_data.files || !Object.keys(coverage_data.files).length) {
+ if (_blanket.options("debug")) {console.log("BLANKET-Reporting No files were instrumented.");}
+ return;
+ }
+
+ if (typeof coverage_data.files.branchFcn !== "undefined"){
+ delete coverage_data.files.branchFcn;
+ }
+ if (typeof _blanket.options("reporter") === "string"){
+ _blanket._loadFile(_blanket.options("reporter"));
+ _blanket.customReporter(coverage_data,_blanket.options("reporter_options"));
+ }else if (typeof _blanket.options("reporter") === "function"){
+ _blanket.options("reporter")(coverage_data,_blanket.options("reporter_options"));
+ }else if (typeof _blanket.defaultReporter === 'function'){
+ _blanket.defaultReporter(coverage_data,_blanket.options("reporter_options"));
+ }else{
+ throw new Error("no reporter defined.");
+ }
+ },
+ _bindStartTestRunner: function(bindEvent,startEvent){
+ if (bindEvent){
+ bindEvent(startEvent);
+ }else{
+ window.addEventListener("load",startEvent,false);
+ }
+ },
+ _loadSourceFiles: function(callback){
+ var require = blanket.options("commonJS") ? blanket._commonjs.require : window.require;
+ function copy(o){
+ var _copy = Object.create( Object.getPrototypeOf(o) );
+ var propNames = Object.getOwnPropertyNames(o);
+
+ propNames.forEach(function(name){
+ var desc = Object.getOwnPropertyDescriptor(o, name);
+ Object.defineProperty(_copy, name, desc);
+ });
+
+ return _copy;
+ }
+ if (_blanket.options("debug")) {console.log("BLANKET-Collecting page scripts");}
+ var scripts = _blanket.utils.collectPageScripts();
+ //_blanket.options("filter",scripts);
+ if (scripts.length === 0){
+ callback();
+ }else{
+
+ //check session state
+ if (sessionStorage["blanketSessionLoader"]){
+ _blanket.blanketSession = JSON.parse(sessionStorage["blanketSessionLoader"]);
+ }
+
+ scripts.forEach(function(file,indx){
+ _blanket.utils.cache[file]={
+ loaded:false
+ };
+ });
+
+ var currScript=-1;
+ _blanket.utils.loadAll(function(test){
+ if (test){
+ return typeof scripts[currScript+1] !== 'undefined';
+ }
+ currScript++;
+ if (currScript >= scripts.length){
+ return null;
+ }
+ return scripts[currScript];
+ },callback);
+ }
+ },
+ beforeStartTestRunner: function(opts){
+ opts = opts || {};
+ opts.checkRequirejs = typeof opts.checkRequirejs === "undefined" ? true : opts.checkRequirejs;
+ opts.callback = opts.callback || function() { };
+ opts.coverage = typeof opts.coverage === "undefined" ? true : opts.coverage;
+ if (opts.coverage) {
+ _blanket._bindStartTestRunner(opts.bindEvent,
+ function(){
+ _blanket._loadSourceFiles(function() {
+
+ var allLoaded = function(){
+ return opts.condition ? opts.condition() : _blanket.requireFilesLoaded();
+ };
+ var check = function() {
+ if (allLoaded()) {
+ if (_blanket.options("debug")) {console.log("BLANKET-All files loaded, init start test runner callback.");}
+ var cb = _blanket.options("testReadyCallback");
+
+ if (cb){
+ if (typeof cb === "function"){
+ cb(opts.callback);
+ }else if (typeof cb === "string"){
+ _blanket._addScript(cb);
+ opts.callback();
+ }
+ }else{
+ opts.callback();
+ }
+ } else {
+ setTimeout(check, 13);
+ }
+ };
+ check();
+ });
+ });
+ }else{
+ opts.callback();
+ }
+ },
+ utils: {
+ qualifyURL: function (url) {
+ //http://stackoverflow.com/questions/470832/getting-an-absolute-url-from-a-relative-one-ie6-issue
+ var a = document.createElement('a');
+ a.href = url;
+ return a.href;
+ }
+ }
+});
+
+})(blanket);
+
+blanket.defaultReporter = function(coverage){
+ 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; font-size:17px;} #blanket-main a {color:#333;text-decoration:none;} #blanket-main a:hover {text-decoration:underline;} .blanket {margin:0;padding:5px;clear:both;border-bottom: 1px solid #FFFFFF;} .bl-error {color:red;}.bl-success {color:#5E7D00;} .bl-file{width:auto;} .bl-cl{float:left;} .blanket div.rs {margin-left:50px; width:150px; float:right} .bl-nb {padding-right:10px;} #blanket-main a.bl-logo {color: #EB1764;cursor: pointer;font-weight: bold;text-decoration: none} .bl-source{ overflow-x:scroll; background-color: #FFFFFF; border: 1px solid #CBCBCB; color: #363636; margin: 25px 20px; width: 80%;} .bl-source div{white-space: pre;font-family: monospace;} .bl-source > div > span:first-child{background-color: #EAEAEA;color: #949494;display: inline-block;padding: 0 10px;text-align: center;width: 30px;} .bl-source .miss{background-color:#e6c3c7} .bl-source span.branchWarning{color:#000;background-color:yellow;} .bl-source span.branchOkay{color:#000;background-color:transparent;}",
+ successRate = 60,
+ head = document.head,
+ fileNumber = 0,
+ body = document.body,
+ headerContent,
+ hasBranchTracking = Object.keys(coverage.files).some(function(elem){
+ return typeof coverage.files[elem].branchData !== 'undefined';
+ }),
+ bodyContent = "<div id='blanket-main'><div class='blanket bl-title'><div class='bl-cl bl-file'><a href='http://alex-seville.github.com/blanket/' target='_blank' class='bl-logo'>Blanket.js</a> results</div><div class='bl-cl rs'>Coverage (%)</div><div class='bl-cl rs'>Covered/Total Smts.</div>"+(hasBranchTracking ? "<div class='bl-cl rs'>Covered/Total Branches</div>":"")+"<div style='clear:both;'></div></div>",
+ fileTemplate = "<div class='blanket {{statusclass}}'><div class='bl-cl bl-file'><span class='bl-nb'>{{fileNumber}}.</span><a href='javascript:blanket_toggleSource(\"file-{{fileNumber}}\")'>{{file}}</a></div><div class='bl-cl rs'>{{percentage}} %</div><div class='bl-cl rs'>{{numberCovered}}/{{totalSmts}}</div>"+( hasBranchTracking ? "<div class='bl-cl rs'>{{passedBranches}}/{{totalBranches}}</div>" : "" )+"<div id='file-{{fileNumber}}' class='bl-source' style='display:none;'>{{source}}</div><div style='clear:both;'></div></div>";
+ grandTotalTemplate = "<div class='blanket grand-total {{statusclass}}'><div class='bl-cl'>{{rowTitle}}</div><div class='bl-cl rs'>{{percentage}} %</div><div class='bl-cl rs'>{{numberCovered}}/{{totalSmts}}</div>"+( hasBranchTracking ? "<div class='bl-cl rs'>{{passedBranches}}/{{totalBranches}}</div>" : "" ) + "<div style='clear:both;'></div></div>";
+
+ function blanket_toggleSource(id) {
+ var element = document.getElementById(id);
+ if(element.style.display === 'block') {
+ element.style.display = 'none';
+ } else {
+ element.style.display = 'block';
+ }
+ }
+
+
+ var script = document.createElement("script");
+ script.type = "text/javascript";
+ script.text = blanket_toggleSource.toString().replace('function ' + blanket_toggleSource.name, 'function blanket_toggleSource');
+ body.appendChild(script);
+
+ var percentage = function(number, total) {
+ return (Math.round(((number/total) * 100)*100)/100);
+ };
+
+ var appendTag = function (type, el, str) {
+ var dom = document.createElement(type);
+ dom.innerHTML = str;
+ el.appendChild(dom);
+ };
+
+ function escapeInvalidXmlChars(str) {
+ return str.replace(/\&/g, "&")
+ .replace(/</g, "<")
+ .replace(/\>/g, ">")
+ .replace(/\"/g, """)
+ .replace(/\'/g, "'");
+ }
+
+ function isBranchFollowed(data,bool){
+ var mode = bool ? 0 : 1;
+ if (typeof data === 'undefined' ||
+ typeof data === null ||
+ typeof data[mode] === 'undefined'){
+ return false;
+ }
+ return data[mode].length > 0;
+ }
+
+ var branchStack = [];
+
+ function branchReport(colsIndex,src,cols,offset,lineNum){
+ var newsrc="";
+ var postfix="";
+ if (branchStack.length > 0){
+ newsrc += "<span class='" + (isBranchFollowed(branchStack[0][1],branchStack[0][1].consequent === branchStack[0][0]) ? 'branchOkay' : 'branchWarning') + "'>";
+ if (branchStack[0][0].end.line === lineNum){
+ newsrc += escapeInvalidXmlChars(src.slice(0,branchStack[0][0].end.column)) + "</span>";
+ src = src.slice(branchStack[0][0].end.column);
+ branchStack.shift();
+ if (branchStack.length > 0){
+ newsrc += "<span class='" + (isBranchFollowed(branchStack[0][1],false) ? 'branchOkay' : 'branchWarning') + "'>";
+ if (branchStack[0][0].end.line === lineNum){
+ newsrc += escapeInvalidXmlChars(src.slice(0,branchStack[0][0].end.column)) + "</span>";
+ src = src.slice(branchStack[0][0].end.column);
+ branchStack.shift();
+ if (!cols){
+ return {src: newsrc + escapeInvalidXmlChars(src) ,cols:cols};
+ }
+ }
+ else if (!cols){
+ return {src: newsrc + escapeInvalidXmlChars(src) + "</span>",cols:cols};
+ }
+ else{
+ postfix = "</span>";
+ }
+ }else if (!cols){
+ return {src: newsrc + escapeInvalidXmlChars(src) ,cols:cols};
+ }
+ }else if(!cols){
+ return {src: newsrc + escapeInvalidXmlChars(src) + "</span>",cols:cols};
+ }else{
+ postfix = "</span>";
+ }
+ }
+ var thisline = cols[colsIndex];
+ //consequent
+
+ var cons = thisline.consequent;
+ if (cons.start.line > lineNum){
+ branchStack.unshift([thisline.alternate,thisline]);
+ branchStack.unshift([cons,thisline]);
+ src = escapeInvalidXmlChars(src);
+ }else{
+ var style = "<span class='" + (isBranchFollowed(thisline,true) ? 'branchOkay' : 'branchWarning') + "'>";
+ newsrc += escapeInvalidXmlChars(src.slice(0,cons.start.column-offset)) + style;
+
+ if (cols.length > colsIndex+1 &&
+ cols[colsIndex+1].consequent.start.line === lineNum &&
+ cols[colsIndex+1].consequent.start.column-offset < cols[colsIndex].consequent.end.column-offset)
+ {
+ var res = branchReport(colsIndex+1,src.slice(cons.start.column-offset,cons.end.column-offset),cols,cons.start.column-offset,lineNum);
+ newsrc += res.src;
+ cols = res.cols;
+ cols[colsIndex+1] = cols[colsIndex+2];
+ cols.length--;
+ }else{
+ newsrc += escapeInvalidXmlChars(src.slice(cons.start.column-offset,cons.end.column-offset));
+ }
+ newsrc += "</span>";
+
+ var alt = thisline.alternate;
+ if (alt.start.line > lineNum){
+ newsrc += escapeInvalidXmlChars(src.slice(cons.end.column-offset));
+ branchStack.unshift([alt,thisline]);
+ }else{
+ newsrc += escapeInvalidXmlChars(src.slice(cons.end.column-offset,alt.start.column-offset));
+ style = "<span class='" + (isBranchFollowed(thisline,false) ? 'branchOkay' : 'branchWarning') + "'>";
+ newsrc += style;
+ if (cols.length > colsIndex+1 &&
+ cols[colsIndex+1].consequent.start.line === lineNum &&
+ cols[colsIndex+1].consequent.start.column-offset < cols[colsIndex].alternate.end.column-offset)
+ {
+ var res2 = branchReport(colsIndex+1,src.slice(alt.start.column-offset,alt.end.column-offset),cols,alt.start.column-offset,lineNum);
+ newsrc += res2.src;
+ cols = res2.cols;
+ cols[colsIndex+1] = cols[colsIndex+2];
+ cols.length--;
+ }else{
+ newsrc += escapeInvalidXmlChars(src.slice(alt.start.column-offset,alt.end.column-offset));
+ }
+ newsrc += "</span>";
+ newsrc += escapeInvalidXmlChars(src.slice(alt.end.column-offset));
+ src = newsrc;
+ }
+ }
+ return {src:src+postfix, cols:cols};
+ }
+
+ var isUndefined = function(item){
+ return typeof item !== 'undefined';
+ };
+
+ var files = coverage.files;
+ var totals = {
+ totalSmts: 0,
+ numberOfFilesCovered: 0,
+ passedBranches: 0,
+ totalBranches: 0,
+ moduleTotalStatements : {},
+ moduleTotalCoveredStatements : {},
+ moduleTotalBranches : {},
+ moduleTotalCoveredBranches : {}
+ };
+
+ // check if a data-cover-modulepattern was provided for per-module coverage reporting
+ var modulePattern = _blanket.options("modulePattern");
+ var modulePatternRegex = ( modulePattern ? new RegExp(modulePattern) : null );
+
+ for(var file in files)
+ {
+ if (!files.hasOwnProperty(file)) {
+ continue;
+ }
+
+ fileNumber++;
+
+ var statsForFile = files[file],
+ totalSmts = 0,
+ numberOfFilesCovered = 0,
+ code = [],
+ i;
+
+
+ var end = [];
+ for(i = 0; i < statsForFile.source.length; i +=1){
+ var src = statsForFile.source[i];
+
+ if (branchStack.length > 0 ||
+ typeof statsForFile.branchData !== 'undefined')
+ {
+ if (typeof statsForFile.branchData[i+1] !== 'undefined')
+ {
+ var cols = statsForFile.branchData[i+1].filter(isUndefined);
+ var colsIndex=0;
+
+
+ src = branchReport(colsIndex,src,cols,0,i+1).src;
+
+ }else if (branchStack.length){
+ src = branchReport(0,src,null,0,i+1).src;
+ }else{
+ src = escapeInvalidXmlChars(src);
+ }
+ }else{
+ src = escapeInvalidXmlChars(src);
+ }
+ var lineClass="";
+ if(statsForFile[i+1]) {
+ numberOfFilesCovered += 1;
+ totalSmts += 1;
+ lineClass = 'hit';
+ }else{
+ if(statsForFile[i+1] === 0){
+ totalSmts++;
+ lineClass = 'miss';
+ }
+ }
+ code[i + 1] = "<div class='"+lineClass+"'><span class=''>"+(i + 1)+"</span>"+src+"</div>";
+ }
+ totals.totalSmts += totalSmts;
+ totals.numberOfFilesCovered += numberOfFilesCovered;
+ var totalBranches=0;
+ var passedBranches=0;
+ if (typeof statsForFile.branchData !== 'undefined'){
+ for(var j=0;j<statsForFile.branchData.length;j++){
+ if (typeof statsForFile.branchData[j] !== 'undefined'){
+ for(var k=0;k<statsForFile.branchData[j].length;k++){
+ if (typeof statsForFile.branchData[j][k] !== 'undefined'){
+ totalBranches++;
+ if (typeof statsForFile.branchData[j][k][0] !== 'undefined' &&
+ statsForFile.branchData[j][k][0].length > 0 &&
+ typeof statsForFile.branchData[j][k][1] !== 'undefined' &&
+ statsForFile.branchData[j][k][1].length > 0){
+ passedBranches++;
+ }
+ }
+ }
+ }
+ }
+ }
+ totals.passedBranches += passedBranches;
+ totals.totalBranches += totalBranches;
+
+ // if "data-cover-modulepattern" was provided,
+ // track totals per module name as well as globally
+ if (modulePatternRegex) {
+ var moduleName = file.match(modulePatternRegex)[1];
+
+ if(!totals.moduleTotalStatements.hasOwnProperty(moduleName)) {
+ totals.moduleTotalStatements[moduleName] = 0;
+ totals.moduleTotalCoveredStatements[moduleName] = 0;
+ }
+
+ totals.moduleTotalStatements[moduleName] += totalSmts;
+ totals.moduleTotalCoveredStatements[moduleName] += numberOfFilesCovered;
+
+ if(!totals.moduleTotalBranches.hasOwnProperty(moduleName)) {
+ totals.moduleTotalBranches[moduleName] = 0;
+ totals.moduleTotalCoveredBranches[moduleName] = 0;
+ }
+
+ totals.moduleTotalBranches[moduleName] += totalBranches;
+ totals.moduleTotalCoveredBranches[moduleName] += passedBranches;
+ }
+
+ var result = percentage(numberOfFilesCovered, totalSmts);
+
+ var output = fileTemplate.replace("{{file}}", file)
+ .replace("{{percentage}}",result)
+ .replace("{{numberCovered}}", numberOfFilesCovered)
+ .replace(/\{\{fileNumber\}\}/g, fileNumber)
+ .replace("{{totalSmts}}", totalSmts)
+ .replace("{{totalBranches}}", totalBranches)
+ .replace("{{passedBranches}}", passedBranches)
+ .replace("{{source}}", code.join(" "));
+ if(result < successRate)
+ {
+ output = output.replace("{{statusclass}}", "bl-error");
+ } else {
+ output = output.replace("{{statusclass}}", "bl-success");
+ }
+ bodyContent += output;
+ }
+
+ // create temporary function for use by the global totals reporter,
+ // as well as the per-module totals reporter
+ var createAggregateTotal = function(numSt, numCov, numBranch, numCovBr, moduleName) {
+
+ var totalPercent = percentage(numCov, numSt);
+ var statusClass = totalPercent < successRate ? "bl-error" : "bl-success";
+ var rowTitle = ( moduleName ? "Total for module: " + moduleName : "Global total" );
+ var totalsOutput = grandTotalTemplate.replace("{{rowTitle}}", rowTitle)
+ .replace("{{percentage}}", totalPercent)
+ .replace("{{numberCovered}}", numCov)
+ .replace("{{totalSmts}}", numSt)
+ .replace("{{passedBranches}}", numCovBr)
+ .replace("{{totalBranches}}", numBranch)
+ .replace("{{statusclass}}", statusClass);
+
+ bodyContent += totalsOutput;
+ };
+
+ // if "data-cover-modulepattern" was provided,
+ // output the per-module totals alongside the global totals
+ if (modulePatternRegex) {
+ for (var thisModuleName in totals.moduleTotalStatements) {
+ if (totals.moduleTotalStatements.hasOwnProperty(thisModuleName)) {
+
+ var moduleTotalSt = totals.moduleTotalStatements[thisModuleName];
+ var moduleTotalCovSt = totals.moduleTotalCoveredStatements[thisModuleName];
+
+ var moduleTotalBr = totals.moduleTotalBranches[thisModuleName];
+ var moduleTotalCovBr = totals.moduleTotalCoveredBranches[thisModuleName];
+
+ createAggregateTotal(moduleTotalSt, moduleTotalCovSt, moduleTotalBr, moduleTotalCovBr, thisModuleName);
+ }
+ }
+ }
+
+ createAggregateTotal(totals.totalSmts, totals.numberOfFilesCovered, totals.totalBranches, totals.passedBranches, null);
+ bodyContent += "</div>"; //closing main
+
+
+ appendTag('style', head, cssSytle);
+ //appendStyle(body, headerContent);
+ if (document.getElementById("blanket-main")){
+ document.getElementById("blanket-main").innerHTML=
+ bodyContent.slice(23,-6);
+ }else{
+ appendTag('div', body, bodyContent);
+ }
+ //appendHtml(body, '</div>');
+};
+
+(function(){
+ var newOptions={};
+ //http://stackoverflow.com/a/2954896
+ var toArray =Array.prototype.slice;
+ var scripts = toArray.call(document.scripts);
+ toArray.call(scripts[scripts.length - 1].attributes)
+ .forEach(function(es){
+ if(es.nodeName === "data-cover-only"){
+ newOptions.filter = es.nodeValue;
+ }
+ if(es.nodeName === "data-cover-never"){
+ newOptions.antifilter = es.nodeValue;
+ }
+ if(es.nodeName === "data-cover-reporter"){
+ newOptions.reporter = es.nodeValue;
+ }
+ if (es.nodeName === "data-cover-adapter"){
+ newOptions.adapter = es.nodeValue;
+ }
+ if (es.nodeName === "data-cover-loader"){
+ newOptions.loader = es.nodeValue;
+ }
+ if (es.nodeName === "data-cover-timeout"){
+ newOptions.timeout = es.nodeValue;
+ }
+ if (es.nodeName === "data-cover-modulepattern") {
+ newOptions.modulePattern = es.nodeValue;
+ }
+ if (es.nodeName === "data-cover-reporter-options"){
+ try{
+ newOptions.reporter_options = JSON.parse(es.nodeValue);
+ }catch(e){
+ if (blanket.options("debug")){
+ throw new Error("Invalid reporter options. Must be a valid stringified JSON object.");
+ }
+ }
+ }
+ if (es.nodeName === "data-cover-testReadyCallback"){
+ newOptions.testReadyCallback = es.nodeValue;
+ }
+ if (es.nodeName === "data-cover-customVariable"){
+ newOptions.customVariable = es.nodeValue;
+ }
+ if (es.nodeName === "data-cover-flags"){
+ var flags = " "+es.nodeValue+" ";
+ if (flags.indexOf(" ignoreError ") > -1){
+ newOptions.ignoreScriptError = true;
+ }
+ if (flags.indexOf(" autoStart ") > -1){
+ newOptions.autoStart = true;
+ }
+ if (flags.indexOf(" ignoreCors ") > -1){
+ newOptions.ignoreCors = true;
+ }
+ if (flags.indexOf(" branchTracking ") > -1){
+ newOptions.branchTracking = true;
+ }
+ if (flags.indexOf(" sourceURL ") > -1){
+ newOptions.sourceURL = true;
+ }
+ if (flags.indexOf(" debug ") > -1){
+ newOptions.debug = true;
+ }
+ if (flags.indexOf(" engineOnly ") > -1){
+ newOptions.engineOnly = true;
+ }
+ if (flags.indexOf(" commonJS ") > -1){
+ newOptions.commonJS = true;
+ }
+ if (flags.indexOf(" instrumentCache ") > -1){
+ newOptions.instrumentCache = true;
+ }
+ }
+ });
+ blanket.options(newOptions);
+
+ if (typeof requirejs !== 'undefined'){
+ blanket.options("existingRequireJS",true);
+ }
+ /* setup requirejs loader, if needed */
+
+ if (blanket.options("commonJS")){
+ blanket._commonjs = {};
+ }
+})();
+(function(_blanket){
+_blanket.extend({
+ utils: {
+ normalizeBackslashes: function(str) {
+ return str.replace(/\\/g, '/');
+ },
+ matchPatternAttribute: function(filename,pattern){
+ if (typeof pattern === 'string'){
+ if (pattern.indexOf("[") === 0){
+ //treat as array
+ var pattenArr = pattern.slice(1,pattern.length-1).split(",");
+ return pattenArr.some(function(elem){
+ return _blanket.utils.matchPatternAttribute(filename,_blanket.utils.normalizeBackslashes(elem.slice(1,-1)));
+ //return filename.indexOf(_blanket.utils.normalizeBackslashes(elem.slice(1,-1))) > -1;
+ });
+ }else if ( pattern.indexOf("//") === 0){
+ var ex = pattern.slice(2,pattern.lastIndexOf('/'));
+ var mods = pattern.slice(pattern.lastIndexOf('/')+1);
+ var regex = new RegExp(ex,mods);
+ return regex.test(filename);
+ }else if (pattern.indexOf("#") === 0){
+ return window[pattern.slice(1)].call(window,filename);
+ }else{
+ return filename.indexOf(_blanket.utils.normalizeBackslashes(pattern)) > -1;
+ }
+ }else if ( pattern instanceof Array ){
+ return pattern.some(function(elem){
+ return _blanket.utils.matchPatternAttribute(filename,elem);
+ });
+ }else if (pattern instanceof RegExp){
+ return pattern.test(filename);
+ }else if (typeof pattern === "function"){
+ return pattern.call(window,filename);
+ }
+ },
+ blanketEval: function(data){
+ _blanket._addScript(data);
+ },
+ collectPageScripts: function(){
+ var toArray = Array.prototype.slice;
+ var scripts = toArray.call(document.scripts);
+ var selectedScripts=[],scriptNames=[];
+ var filter = _blanket.options("filter");
+ if(filter != null){
+ //global filter in place, data-cover-only
+ var antimatch = _blanket.options("antifilter");
+ selectedScripts = toArray.call(document.scripts)
+ .filter(function(s){
+ return toArray.call(s.attributes).filter(function(sn){
+ return sn.nodeName === "src" && _blanket.utils.matchPatternAttribute(sn.nodeValue,filter) &&
+ (typeof antimatch === "undefined" || !_blanket.utils.matchPatternAttribute(sn.nodeValue,antimatch));
+ }).length === 1;
+ });
+ }else{
+ selectedScripts = toArray.call(document.querySelectorAll("script[data-cover]"));
+ }
+ scriptNames = selectedScripts.map(function(s){
+ return _blanket.utils.qualifyURL(
+ toArray.call(s.attributes).filter(
+ function(sn){
+ return sn.nodeName === "src";
+ })[0].nodeValue);
+ });
+ if (!filter){
+ _blanket.options("filter","['"+scriptNames.join("','")+"']");
+ }
+ return scriptNames;
+ },
+ loadAll: function(nextScript,cb,preprocessor){
+ /**
+ * load dependencies
+ * @param {nextScript} factory for priority level
+ * @param {cb} the done callback
+ */
+ var currScript=nextScript();
+ var isLoaded = _blanket.utils.scriptIsLoaded(
+ currScript,
+ _blanket.utils.ifOrdered,
+ nextScript,
+ cb
+ );
+
+ if (!(_blanket.utils.cache[currScript] && _blanket.utils.cache[currScript].loaded)){
+ var attach = function(){
+ if (_blanket.options("debug")) {console.log("BLANKET-Mark script:"+currScript+", as loaded and move to next script.");}
+ isLoaded();
+ };
+ var whenDone = function(result){
+ if (_blanket.options("debug")) {console.log("BLANKET-File loading finished");}
+ if (typeof result !== 'undefined'){
+ if (_blanket.options("debug")) {console.log("BLANKET-Add file to DOM.");}
+ _blanket._addScript(result);
+ }
+ attach();
+ };
+
+ _blanket.utils.attachScript(
+ {
+ url: currScript
+ },
+ function (content){
+ _blanket.utils.processFile(
+ content,
+ currScript,
+ whenDone,
+ whenDone
+ );
+ }
+ );
+ }else{
+ isLoaded();
+ }
+ },
+ attachScript: function(options,cb){
+ var timeout = _blanket.options("timeout") || 3000;
+ setTimeout(function(){
+ if (!_blanket.utils.cache[options.url].loaded){
+ throw new Error("error loading source script");
+ }
+ },timeout);
+ _blanket.utils.getFile(
+ options.url,
+ cb,
+ function(){ throw new Error("error loading source script");}
+ );
+ },
+ ifOrdered: function(nextScript,cb){
+ /**
+ * ordered loading callback
+ * @param {nextScript} factory for priority level
+ * @param {cb} the done callback
+ */
+ var currScript = nextScript(true);
+ if (currScript){
+ _blanket.utils.loadAll(nextScript,cb);
+ }else{
+ cb(new Error("Error in loading chain."));
+ }
+ },
+ scriptIsLoaded: function(url,orderedCb,nextScript,cb){
+ /**
+ * returns a callback that checks a loading list to see if a script is loaded.
+ * @param {orderedCb} callback if ordered loading is being done
+ * @param {nextScript} factory for next priority level
+ * @param {cb} the done callback
+ */
+ if (_blanket.options("debug")) {console.log("BLANKET-Returning function");}
+ return function(){
+ if (_blanket.options("debug")) {console.log("BLANKET-Marking file as loaded: "+url);}
+
+ _blanket.utils.cache[url].loaded=true;
+
+ if (_blanket.utils.allLoaded()){
+ if (_blanket.options("debug")) {console.log("BLANKET-All files loaded");}
+ cb();
+ }else if (orderedCb){
+ //if it's ordered we need to
+ //traverse down to the next
+ //priority level
+ if (_blanket.options("debug")) {console.log("BLANKET-Load next file.");}
+ orderedCb(nextScript,cb);
+ }
+ };
+ },
+ cache: {},
+ allLoaded: function (){
+ /**
+ * check if depdencies are loaded in cache
+ */
+ var cached = Object.keys(_blanket.utils.cache);
+ for (var i=0;i<cached.length;i++){
+ if (!_blanket.utils.cache[cached[i]].loaded){
+ return false;
+ }
+ }
+ return true;
+ },
+ processFile: function (content,url,cb,oldCb) {
+ var match = _blanket.options("filter");
+ //we check the never matches first
+ var antimatch = _blanket.options("antifilter");
+ if (typeof antimatch !== "undefined" &&
+ _blanket.utils.matchPatternAttribute(url,antimatch)
+ ){
+ oldCb(content);
+ if (_blanket.options("debug")) {console.log("BLANKET-File will never be instrumented:"+url);}
+ _blanket.requiringFile(url,true);
+ }else if (_blanket.utils.matchPatternAttribute(url,match)){
+ if (_blanket.options("debug")) {console.log("BLANKET-Attempting instrument of:"+url);}
+ _blanket.instrument({
+ inputFile: content,
+ inputFileName: url
+ },function(instrumented){
+ try{
+ if (_blanket.options("debug")) {console.log("BLANKET-instrument of:"+url+" was successfull.");}
+ _blanket.utils.blanketEval(instrumented);
+ cb();
+ _blanket.requiringFile(url,true);
+ }
+ catch(err){
+ if (_blanket.options("ignoreScriptError")){
+ //we can continue like normal if
+ //we're ignoring script errors,
+ //but otherwise we don't want
+ //to completeLoad or the error might be
+ //missed.
+ if (_blanket.options("debug")) { console.log("BLANKET-There was an error loading the file:"+url); }
+ cb(content);
+ _blanket.requiringFile(url,true);
+ }else{
+ throw new Error("Error parsing instrumented code: "+err);
+ }
+ }
+ });
+ }else{
+ if (_blanket.options("debug")) { console.log("BLANKET-Loading (without instrumenting) the file:"+url);}
+ oldCb(content);
+ _blanket.requiringFile(url,true);
+ }
+
+ },
+ cacheXhrConstructor: function(){
+ var Constructor, createXhr, i, progId;
+ if (typeof XMLHttpRequest !== "undefined") {
+ Constructor = XMLHttpRequest;
+ this.createXhr = function() { return new Constructor(); };
+ } else if (typeof ActiveXObject !== "undefined") {
+ Constructor = ActiveXObject;
+ for (i = 0; i < 3; i += 1) {
+ progId = progIds[i];
+ try {
+ new ActiveXObject(progId);
+ break;
+ } catch (e) {}
+ }
+ this.createXhr = function() { return new Constructor(progId); };
+ }
+ },
+ craeteXhr: function () {
+ throw new Error("cacheXhrConstructor is supposed to overwrite this function.");
+ },
+ getFile: function(url, callback, errback, onXhr){
+ var foundInSession = false;
+ if (_blanket.blanketSession){
+ var files = Object.keys(_blanket.blanketSession);
+ for (var i=0; i<files.length;i++ ){
+ var key = files[i];
+ if (url.indexOf(key) > -1){
+ callback(_blanket.blanketSession[key]);
+ foundInSession=true;
+ return;
+ }
+ }
+ }
+ if (!foundInSession){
+ var xhr = _blanket.utils.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) /*||
+ (status === 0 &&
+ navigator.userAgent.toLowerCase().indexOf('firefox') > -1)
+ */ ) {
+ //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);
+ }
+ }
+ };
+ try{
+ xhr.send(null);
+ }catch(e){
+ if (e.code && (e.code === 101 || e.code === 1012) && _blanket.options("ignoreCors") === false){
+ //running locally and getting error from browser
+ _blanket.showManualLoader();
+ } else {
+ throw e;
+ }
+ }
+ }
+ }
+ }
+});
+
+(function(){
+ var require = blanket.options("commonJS") ? blanket._commonjs.require : window.require;
+ var requirejs = blanket.options("commonJS") ? blanket._commonjs.requirejs : window.requirejs;
+ if (!_blanket.options("engineOnly") && _blanket.options("existingRequireJS")){
+
+ _blanket.utils.oldloader = requirejs.load;
+
+ requirejs.load = function (context, moduleName, url) {
+ _blanket.requiringFile(url);
+ _blanket.utils.getFile(url,
+ function(content){
+ _blanket.utils.processFile(
+ content,
+ url,
+ function newLoader(){
+ context.completeLoad(moduleName);
+ },
+ function oldLoader(){
+ _blanket.utils.oldloader(context, moduleName, url);
+ }
+ );
+ }, function (err) {
+ _blanket.requiringFile();
+ throw err;
+ });
+ };
+ }
+ // Save the XHR constructor, just in case frameworks like Sinon would sandbox it.
+ _blanket.utils.cacheXhrConstructor();
+})();
+
+})(blanket);
+
+(function(){
+if (typeof QUnit !== 'undefined'){
+ //check to make sure requirejs is completed before we start the test runner
+ var allLoaded = function() {
+ return window.QUnit.config.queue.length > 0 && blanket.noConflict().requireFilesLoaded();
+ };
+
+ if (!QUnit.config.urlConfig[0].tooltip){
+ //older versions we run coverage automatically
+ //and we change how events are binded
+ QUnit.begin=function(){
+ blanket.noConflict().setupCoverage();
+ };
+
+ QUnit.done=function(failures, total) {
+ blanket.noConflict().onTestsDone();
+ };
+ QUnit.moduleStart=function( details ) {
+ blanket.noConflict().onModuleStart();
+ };
+ QUnit.testStart=function( details ) {
+ blanket.noConflict().onTestStart();
+ };
+ QUnit.testDone=function( details ) {
+ blanket.noConflict().onTestDone(details.total,details.passed);
+ };
+ blanket.beforeStartTestRunner({
+ condition: allLoaded,
+ callback: QUnit.start
+ });
+ }else{
+ QUnit.config.urlConfig.push({
+ id: "coverage",
+ label: "Enable coverage",
+ tooltip: "Enable code coverage."
+ });
+
+ if ( QUnit.urlParams.coverage || blanket.options("autoStart") ) {
+ QUnit.begin(function(){
+ blanket.noConflict().setupCoverage();
+ });
+
+ QUnit.done(function(failures, total) {
+ blanket.noConflict().onTestsDone();
+ });
+ QUnit.moduleStart(function( details ) {
+ blanket.noConflict().onModuleStart();
+ });
+ QUnit.testStart(function( details ) {
+ blanket.noConflict().onTestStart();
+ });
+ QUnit.testDone(function( details ) {
+ blanket.noConflict().onTestDone(details.total,details.passed);
+ });
+ blanket.noConflict().beforeStartTestRunner({
+ condition: allLoaded,
+ callback: function(){
+ if (!(blanket.options("existingRequireJS") && !blanket.options("autoStart"))){
+ QUnit.start();
+ }
+ }
+ });
+ }else{
+ if (blanket.options("existingRequireJS")){ requirejs.load = _blanket.utils.oldloader; }
+ blanket.noConflict().beforeStartTestRunner({
+ condition: allLoaded,
+ callback: function(){
+ if (!(blanket.options("existingRequireJS") && !blanket.options("autoStart"))){
+ QUnit.start();
+ }
+ },
+ coverage:false
+ });
+ }
+ }
+}
+})();
\ No newline at end of file
Code Review / portal.git / blobdiff