+++ /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