EVOLUTION-MANAGER

Edit File: source-map.js

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See LICENSE.txt or: * http://opensource.org/licenses/BSD-3-Clause */ exports.SourceMapGenerator = __webpack_require__(1).SourceMapGenerator; exports.SourceMapConsumer = __webpack_require__(7).SourceMapConsumer; exports.SourceNode = __webpack_require__(10).SourceNode; /***/ }), /* 1 */ /***/ (function(module, exports, __webpack_require__) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ var base64VLQ = __webpack_require__(2); var util = __webpack_require__(4); var ArraySet = __webpack_require__(5).ArraySet; var MappingList = __webpack_require__(6).MappingList; /** * An instance of the SourceMapGenerator represents a source map which is * being built incrementally. You may pass an object with the following * properties: * * - file: The filename of the generated source. * - sourceRoot: A root for all relative URLs in this source map. */ function SourceMapGenerator(aArgs) { if (!aArgs) { aArgs = {}; } this._file = util.getArg(aArgs, 'file', null); this._sourceRoot = util.getArg(aArgs, 'sourceRoot', null); this._skipValidation = util.getArg(aArgs, 'skipValidation', false); this._sources = new ArraySet(); this._names = new ArraySet(); this._mappings = new MappingList(); this._sourcesContents = null; } SourceMapGenerator.prototype._version = 3; /** * Creates a new SourceMapGenerator based on a SourceMapConsumer * * @param aSourceMapConsumer The SourceMap. */ SourceMapGenerator.fromSourceMap = function SourceMapGenerator_fromSourceMap(aSourceMapConsumer) { var sourceRoot = aSourceMapConsumer.sourceRoot; var generator = new SourceMapGenerator({ file: aSourceMapConsumer.file, sourceRoot: sourceRoot }); aSourceMapConsumer.eachMapping(function (mapping) { var newMapping = { generated: { line: mapping.generatedLine, column: mapping.generatedColumn } }; if (mapping.source != null) { newMapping.source = mapping.source; if (sourceRoot != null) { newMapping.source = util.relative(sourceRoot, newMapping.source); } newMapping.original = { line: mapping.originalLine, column: mapping.originalColumn }; if (mapping.name != null) { newMapping.name = mapping.name; } } generator.addMapping(newMapping); }); aSourceMapConsumer.sources.forEach(function (sourceFile) { var sourceRelative = sourceFile; if (sourceRoot !== null) { sourceRelative = util.relative(sourceRoot, sourceFile); } if (!generator._sources.has(sourceRelative)) { generator._sources.add(sourceRelative); } var content = aSourceMapConsumer.sourceContentFor(sourceFile); if (content != null) { generator.setSourceContent(sourceFile, content); } }); return generator; }; /** * Add a single mapping from original source line and column to the generated * source's line and column for this source map being created. The mapping * object should have the following properties: * * - generated: An object with the generated line and column positions. * - original: An object with the original line and column positions. * - source: The original source file (relative to the sourceRoot). * - name: An optional original token name for this mapping. */ SourceMapGenerator.prototype.addMapping = function SourceMapGenerator_addMapping(aArgs) { var generated = util.getArg(aArgs, 'generated'); var original = util.getArg(aArgs, 'original', null); var source = util.getArg(aArgs, 'source', null); var name = util.getArg(aArgs, 'name', null); if (!this._skipValidation) { this._validateMapping(generated, original, source, name); } if (source != null) { source = String(source); if (!this._sources.has(source)) { this._sources.add(source); } } if (name != null) { name = String(name); if (!this._names.has(name)) { this._names.add(name); } } this._mappings.add({ generatedLine: generated.line, generatedColumn: generated.column, originalLine: original != null && original.line, originalColumn: original != null && original.column, source: source, name: name }); }; /** * Set the source content for a source file. */ SourceMapGenerator.prototype.setSourceContent = function SourceMapGenerator_setSourceContent(aSourceFile, aSourceContent) { var source = aSourceFile; if (this._sourceRoot != null) { source = util.relative(this._sourceRoot, source); } if (aSourceContent != null) { // Add the source content to the _sourcesContents map. // Create a new _sourcesContents map if the property is null. if (!this._sourcesContents) { this._sourcesContents = Object.create(null); } this._sourcesContents[util.toSetString(source)] = aSourceContent; } else if (this._sourcesContents) { // Remove the source file from the _sourcesContents map. // If the _sourcesContents map is empty, set the property to null. delete this._sourcesContents[util.toSetString(source)]; if (Object.keys(this._sourcesContents).length === 0) { this._sourcesContents = null; } } }; /** * Applies the mappings of a sub-source-map for a specific source file to the * source map being generated. Each mapping to the supplied source file is * rewritten using the supplied source map. Note: The resolution for the * resulting mappings is the minimium of this map and the supplied map. * * @param aSourceMapConsumer The source map to be applied. * @param aSourceFile Optional. The filename of the source file. * If omitted, SourceMapConsumer's file property will be used. * @param aSourceMapPath Optional. The dirname of the path to the source map * to be applied. If relative, it is relative to the SourceMapConsumer. * This parameter is needed when the two source maps aren't in the same * directory, and the source map to be applied contains relative source * paths. If so, those relative source paths need to be rewritten * relative to the SourceMapGenerator. */ SourceMapGenerator.prototype.applySourceMap = function SourceMapGenerator_applySourceMap(aSourceMapConsumer, aSourceFile, aSourceMapPath) { var sourceFile = aSourceFile; // If aSourceFile is omitted, we will use the file property of the SourceMap if (aSourceFile == null) { if (aSourceMapConsumer.file == null) { throw new Error( 'SourceMapGenerator.prototype.applySourceMap requires either an explicit source file, ' + 'or the source map\'s "file" property. Both were omitted.' ); } sourceFile = aSourceMapConsumer.file; } var sourceRoot = this._sourceRoot; // Make "sourceFile" relative if an absolute Url is passed. if (sourceRoot != null) { sourceFile = util.relative(sourceRoot, sourceFile); } // Applying the SourceMap can add and remove items from the sources and // the names array. var newSources = new ArraySet(); var newNames = new ArraySet(); // Find mappings for the "sourceFile" this._mappings.unsortedForEach(function (mapping) { if (mapping.source === sourceFile && mapping.originalLine != null) { // Check if it can be mapped by the source map, then update the mapping. var original = aSourceMapConsumer.originalPositionFor({ line: mapping.originalLine, column: mapping.originalColumn }); if (original.source != null) { // Copy mapping mapping.source = original.source; if (aSourceMapPath != null) { mapping.source = util.join(aSourceMapPath, mapping.source) } if (sourceRoot != null) { mapping.source = util.relative(sourceRoot, mapping.source); } mapping.originalLine = original.line; mapping.originalColumn = original.column; if (original.name != null) { mapping.name = original.name; } } } var source = mapping.source; if (source != null && !newSources.has(source)) { newSources.add(source); } var name = mapping.name; if (name != null && !newNames.has(name)) { newNames.add(name); } }, this); this._sources = newSources; this._names = newNames; // Copy sourcesContents of applied map. aSourceMapConsumer.sources.forEach(function (sourceFile) { var content = aSourceMapConsumer.sourceContentFor(sourceFile); if (content != null) { if (aSourceMapPath != null) { sourceFile = util.join(aSourceMapPath, sourceFile); } if (sourceRoot != null) { sourceFile = util.relative(sourceRoot, sourceFile); } this.setSourceContent(sourceFile, content); } }, this); }; /** * A mapping can have one of the three levels of data: * * 1. Just the generated position. * 2. The Generated position, original position, and original source. * 3. Generated and original position, original source, as well as a name * token. * * To maintain consistency, we validate that any new mapping being added falls * in to one of these categories. */ SourceMapGenerator.prototype._validateMapping = function SourceMapGenerator_validateMapping(aGenerated, aOriginal, aSource, aName) { // When aOriginal is truthy but has empty values for .line and .column, // it is most likely a programmer error. In this case we throw a very // specific error message to try to guide them the right way. // For example: https://github.com/Polymer/polymer-bundler/pull/519 if (aOriginal && typeof aOriginal.line !== 'number' && typeof aOriginal.column !== 'number') { throw new Error( 'original.line and original.column are not numbers -- you probably meant to omit ' + 'the original mapping entirely and only map the generated position. If so, pass ' + 'null for the original mapping instead of an object with empty or null values.' ); } if (aGenerated && 'line' in aGenerated && 'column' in aGenerated && aGenerated.line > 0 && aGenerated.column >= 0 && !aOriginal && !aSource && !aName) { // Case 1. return; } else if (aGenerated && 'line' in aGenerated && 'column' in aGenerated && aOriginal && 'line' in aOriginal && 'column' in aOriginal && aGenerated.line > 0 && aGenerated.column >= 0 && aOriginal.line > 0 && aOriginal.column >= 0 && aSource) { // Cases 2 and 3. return; } else { throw new Error('Invalid mapping: ' + JSON.stringify({ generated: aGenerated, source: aSource, original: aOriginal, name: aName })); } }; /** * Serialize the accumulated mappings in to the stream of base 64 VLQs * specified by the source map format. */ SourceMapGenerator.prototype._serializeMappings = function SourceMapGenerator_serializeMappings() { var previousGeneratedColumn = 0; var previousGeneratedLine = 1; var previousOriginalColumn = 0; var previousOriginalLine = 0; var previousName = 0; var previousSource = 0; var result = ''; var next; var mapping; var nameIdx; var sourceIdx; var mappings = this._mappings.toArray(); for (var i = 0, len = mappings.length; i < len; i++) { mapping = mappings[i]; next = '' if (mapping.generatedLine !== previousGeneratedLine) { previousGeneratedColumn = 0; while (mapping.generatedLine !== previousGeneratedLine) { next += ';'; previousGeneratedLine++; } } else { if (i > 0) { if (!util.compareByGeneratedPositionsInflated(mapping, mappings[i - 1])) { continue; } next += ','; } } next += base64VLQ.encode(mapping.generatedColumn - previousGeneratedColumn); previousGeneratedColumn = mapping.generatedColumn; if (mapping.source != null) { sourceIdx = this._sources.indexOf(mapping.source); next += base64VLQ.encode(sourceIdx - previousSource); previousSource = sourceIdx; // lines are stored 0-based in SourceMap spec version 3 next += base64VLQ.encode(mapping.originalLine - 1 - previousOriginalLine); previousOriginalLine = mapping.originalLine - 1; next += base64VLQ.encode(mapping.originalColumn - previousOriginalColumn); previousOriginalColumn = mapping.originalColumn; if (mapping.name != null) { nameIdx = this._names.indexOf(mapping.name); next += base64VLQ.encode(nameIdx - previousName); previousName = nameIdx; } } result += next; } return result; }; SourceMapGenerator.prototype._generateSourcesContent = function SourceMapGenerator_generateSourcesContent(aSources, aSourceRoot) { return aSources.map(function (source) { if (!this._sourcesContents) { return null; } if (aSourceRoot != null) { source = util.relative(aSourceRoot, source); } var key = util.toSetString(source); return Object.prototype.hasOwnProperty.call(this._sourcesContents, key) ? this._sourcesContents[key] : null; }, this); }; /** * Externalize the source map. */ SourceMapGenerator.prototype.toJSON = function SourceMapGenerator_toJSON() { var map = { version: this._version, sources: this._sources.toArray(), names: this._names.toArray(), mappings: this._serializeMappings() }; if (this._file != null) { map.file = this._file; } if (this._sourceRoot != null) { map.sourceRoot = this._sourceRoot; } if (this._sourcesContents) { map.sourcesContent = this._generateSourcesContent(map.sources, map.sourceRoot); } return map; }; /** * Render the source map being generated to a string. */ SourceMapGenerator.prototype.toString = function SourceMapGenerator_toString() { return JSON.stringify(this.toJSON()); }; exports.SourceMapGenerator = SourceMapGenerator; /***/ }), /* 2 */ /***/ (function(module, exports, __webpack_require__) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause * * Based on the Base 64 VLQ implementation in Closure Compiler: * https://code.google.com/p/closure-compiler/source/browse/trunk/src/com/google/debugging/sourcemap/Base64VLQ.java * * Copyright 2011 The Closure Compiler Authors. All rights reserved. * 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. * * Neither the name of Google Inc. nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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 THE COPYRIGHT * OWNER OR CONTRIBUTORS 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. */ var base64 = __webpack_require__(3); // A single base 64 digit can contain 6 bits of data. For the base 64 variable // length quantities we use in the source map spec, the first bit is the sign, // the next four bits are the actual value, and the 6th bit is the // continuation bit. The continuation bit tells us whether there are more // digits in this value following this digit. // // Continuation // | Sign // | | // V V // 101011 var VLQ_BASE_SHIFT = 5; // binary: 100000 var VLQ_BASE = 1 << VLQ_BASE_SHIFT; // binary: 011111 var VLQ_BASE_MASK = VLQ_BASE - 1; // binary: 100000 var VLQ_CONTINUATION_BIT = VLQ_BASE; /** * Converts from a two-complement value to a value where the sign bit is * placed in the least significant bit. For example, as decimals: * 1 becomes 2 (10 binary), -1 becomes 3 (11 binary) * 2 becomes 4 (100 binary), -2 becomes 5 (101 binary) */ function toVLQSigned(aValue) { return aValue < 0 ? ((-aValue) << 1) + 1 : (aValue << 1) + 0; } /** * Converts to a two-complement value from a value where the sign bit is * placed in the least significant bit. For example, as decimals: * 2 (10 binary) becomes 1, 3 (11 binary) becomes -1 * 4 (100 binary) becomes 2, 5 (101 binary) becomes -2 */ function fromVLQSigned(aValue) { var isNegative = (aValue & 1) === 1; var shifted = aValue >> 1; return isNegative ? -shifted : shifted; } /** * Returns the base 64 VLQ encoded value. */ exports.encode = function base64VLQ_encode(aValue) { var encoded = ""; var digit; var vlq = toVLQSigned(aValue); do { digit = vlq & VLQ_BASE_MASK; vlq >>>= VLQ_BASE_SHIFT; if (vlq > 0) { // There are still more digits in this value, so we must make sure the // continuation bit is marked. digit |= VLQ_CONTINUATION_BIT; } encoded += base64.encode(digit); } while (vlq > 0); return encoded; }; /** * Decodes the next base 64 VLQ value from the given string and returns the * value and the rest of the string via the out parameter. */ exports.decode = function base64VLQ_decode(aStr, aIndex, aOutParam) { var strLen = aStr.length; var result = 0; var shift = 0; var continuation, digit; do { if (aIndex >= strLen) { throw new Error("Expected more digits in base 64 VLQ value."); } digit = base64.decode(aStr.charCodeAt(aIndex++)); if (digit === -1) { throw new Error("Invalid base64 digit: " + aStr.charAt(aIndex - 1)); } continuation = !!(digit & VLQ_CONTINUATION_BIT); digit &= VLQ_BASE_MASK; result = result + (digit << shift); shift += VLQ_BASE_SHIFT; } while (continuation); aOutParam.value = fromVLQSigned(result); aOutParam.rest = aIndex; }; /***/ }), /* 3 */ /***/ (function(module, exports) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ var intToCharMap = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/'.split(''); /** * Encode an integer in the range of 0 to 63 to a single base 64 digit. */ exports.encode = function (number) { if (0 <= number && number < intToCharMap.length) { return intToCharMap[number]; } throw new TypeError("Must be between 0 and 63: " + number); }; /** * Decode a single base 64 character code digit to an integer. Returns -1 on * failure. */ exports.decode = function (charCode) { var bigA = 65; // 'A' var bigZ = 90; // 'Z' var littleA = 97; // 'a' var littleZ = 122; // 'z' var zero = 48; // '0' var nine = 57; // '9' var plus = 43; // '+' var slash = 47; // '/' var littleOffset = 26; var numberOffset = 52; // 0 - 25: ABCDEFGHIJKLMNOPQRSTUVWXYZ if (bigA <= charCode && charCode <= bigZ) { return (charCode - bigA); } // 26 - 51: abcdefghijklmnopqrstuvwxyz if (littleA <= charCode && charCode <= littleZ) { return (charCode - littleA + littleOffset); } // 52 - 61: 0123456789 if (zero <= charCode && charCode <= nine) { return (charCode - zero + numberOffset); } // 62: + if (charCode == plus) { return 62; } // 63: / if (charCode == slash) { return 63; } // Invalid base64 digit. return -1; }; /***/ }), /* 4 */ /***/ (function(module, exports) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ /** * This is a helper function for getting values from parameter/options * objects. * * @param args The object we are extracting values from * @param name The name of the property we are getting. * @param defaultValue An optional value to return if the property is missing * from the object. If this is not specified and the property is missing, an * error will be thrown. */ function getArg(aArgs, aName, aDefaultValue) { if (aName in aArgs) { return aArgs[aName]; } else if (arguments.length === 3) { return aDefaultValue; } else { throw new Error('"' + aName + '" is a required argument.'); } } exports.getArg = getArg; var urlRegexp = /^(?:([\w+\-.]+):)?\/\/(?:(\w+:\w+)@)?([\w.-]*)(?::(\d+))?(.*)$/; var dataUrlRegexp = /^data:.+\,.+$/; function urlParse(aUrl) { var match = aUrl.match(urlRegexp); if (!match) { return null; } return { scheme: match[1], auth: match[2], host: match[3], port: match[4], path: match[5] }; } exports.urlParse = urlParse; function urlGenerate(aParsedUrl) { var url = ''; if (aParsedUrl.scheme) { url += aParsedUrl.scheme + ':'; } url += '//'; if (aParsedUrl.auth) { url += aParsedUrl.auth + '@'; } if (aParsedUrl.host) { url += aParsedUrl.host; } if (aParsedUrl.port) { url += ":" + aParsedUrl.port } if (aParsedUrl.path) { url += aParsedUrl.path; } return url; } exports.urlGenerate = urlGenerate; /** * Normalizes a path, or the path portion of a URL: * * - Replaces consecutive slashes with one slash. * - Removes unnecessary '.' parts. * - Removes unnecessary '<dir>/..' parts. * * Based on code in the Node.js 'path' core module. * * @param aPath The path or url to normalize. */ function normalize(aPath) { var path = aPath; var url = urlParse(aPath); if (url) { if (!url.path) { return aPath; } path = url.path; } var isAbsolute = exports.isAbsolute(path); var parts = path.split(/\/+/); for (var part, up = 0, i = parts.length - 1; i >= 0; i--) { part = parts[i]; if (part === '.') { parts.splice(i, 1); } else if (part === '..') { up++; } else if (up > 0) { if (part === '') { // The first part is blank if the path is absolute. Trying to go // above the root is a no-op. Therefore we can remove all '..' parts // directly after the root. parts.splice(i + 1, up); up = 0; } else { parts.splice(i, 2); up--; } } } path = parts.join('/'); if (path === '') { path = isAbsolute ? '/' : '.'; } if (url) { url.path = path; return urlGenerate(url); } return path; } exports.normalize = normalize; /** * Joins two paths/URLs. * * @param aRoot The root path or URL. * @param aPath The path or URL to be joined with the root. * * - If aPath is a URL or a data URI, aPath is returned, unless aPath is a * scheme-relative URL: Then the scheme of aRoot, if any, is prepended * first. * - Otherwise aPath is a path. If aRoot is a URL, then its path portion * is updated with the result and aRoot is returned. Otherwise the result * is returned. * - If aPath is absolute, the result is aPath. * - Otherwise the two paths are joined with a slash. * - Joining for example 'http://' and 'www.example.com' is also supported. */ function join(aRoot, aPath) { if (aRoot === "") { aRoot = "."; } if (aPath === "") { aPath = "."; } var aPathUrl = urlParse(aPath); var aRootUrl = urlParse(aRoot); if (aRootUrl) { aRoot = aRootUrl.path || '/'; } // `join(foo, '//www.example.org')` if (aPathUrl && !aPathUrl.scheme) { if (aRootUrl) { aPathUrl.scheme = aRootUrl.scheme; } return urlGenerate(aPathUrl); } if (aPathUrl || aPath.match(dataUrlRegexp)) { return aPath; } // `join('http://', 'www.example.com')` if (aRootUrl && !aRootUrl.host && !aRootUrl.path) { aRootUrl.host = aPath; return urlGenerate(aRootUrl); } var joined = aPath.charAt(0) === '/' ? aPath : normalize(aRoot.replace(/\/+$/, '') + '/' + aPath); if (aRootUrl) { aRootUrl.path = joined; return urlGenerate(aRootUrl); } return joined; } exports.join = join; exports.isAbsolute = function (aPath) { return aPath.charAt(0) === '/' || urlRegexp.test(aPath); }; /** * Make a path relative to a URL or another path. * * @param aRoot The root path or URL. * @param aPath The path or URL to be made relative to aRoot. */ function relative(aRoot, aPath) { if (aRoot === "") { aRoot = "."; } aRoot = aRoot.replace(/\/$/, ''); // It is possible for the path to be above the root. In this case, simply // checking whether the root is a prefix of the path won't work. Instead, we // need to remove components from the root one by one, until either we find // a prefix that fits, or we run out of components to remove. var level = 0; while (aPath.indexOf(aRoot + '/') !== 0) { var index = aRoot.lastIndexOf("/"); if (index < 0) { return aPath; } // If the only part of the root that is left is the scheme (i.e. http://, // file:///, etc.), one or more slashes (/), or simply nothing at all, we // have exhausted all components, so the path is not relative to the root. aRoot = aRoot.slice(0, index); if (aRoot.match(/^([^\/]+:\/)?\/*$/)) { return aPath; } ++level; } // Make sure we add a "../" for each component we removed from the root. return Array(level + 1).join("../") + aPath.substr(aRoot.length + 1); } exports.relative = relative; var supportsNullProto = (function () { var obj = Object.create(null); return !('__proto__' in obj); }()); function identity (s) { return s; } /** * Because behavior goes wacky when you set `__proto__` on objects, we * have to prefix all the strings in our set with an arbitrary character. * * See https://github.com/mozilla/source-map/pull/31 and * https://github.com/mozilla/source-map/issues/30 * * @param String aStr */ function toSetString(aStr) { if (isProtoString(aStr)) { return '$' + aStr; } return aStr; } exports.toSetString = supportsNullProto ? identity : toSetString; function fromSetString(aStr) { if (isProtoString(aStr)) { return aStr.slice(1); } return aStr; } exports.fromSetString = supportsNullProto ? identity : fromSetString; function isProtoString(s) { if (!s) { return false; } var length = s.length; if (length < 9 /* "__proto__".length */) { return false; } if (s.charCodeAt(length - 1) !== 95 /* '_' */ || s.charCodeAt(length - 2) !== 95 /* '_' */ || s.charCodeAt(length - 3) !== 111 /* 'o' */ || s.charCodeAt(length - 4) !== 116 /* 't' */ || s.charCodeAt(length - 5) !== 111 /* 'o' */ || s.charCodeAt(length - 6) !== 114 /* 'r' */ || s.charCodeAt(length - 7) !== 112 /* 'p' */ || s.charCodeAt(length - 8) !== 95 /* '_' */ || s.charCodeAt(length - 9) !== 95 /* '_' */) { return false; } for (var i = length - 10; i >= 0; i--) { if (s.charCodeAt(i) !== 36 /* '$' */) { return false; } } return true; } /** * Comparator between two mappings where the original positions are compared. * * Optionally pass in `true` as `onlyCompareGenerated` to consider two * mappings with the same original source/line/column, but different generated * line and column the same. Useful when searching for a mapping with a * stubbed out mapping. */ function compareByOriginalPositions(mappingA, mappingB, onlyCompareOriginal) { var cmp = strcmp(mappingA.source, mappingB.source); if (cmp !== 0) { return cmp; } cmp = mappingA.originalLine - mappingB.originalLine; if (cmp !== 0) { return cmp; } cmp = mappingA.originalColumn - mappingB.originalColumn; if (cmp !== 0 || onlyCompareOriginal) { return cmp; } cmp = mappingA.generatedColumn - mappingB.generatedColumn; if (cmp !== 0) { return cmp; } cmp = mappingA.generatedLine - mappingB.generatedLine; if (cmp !== 0) { return cmp; } return strcmp(mappingA.name, mappingB.name); } exports.compareByOriginalPositions = compareByOriginalPositions; /** * Comparator between two mappings with deflated source and name indices where * the generated positions are compared. * * Optionally pass in `true` as `onlyCompareGenerated` to consider two * mappings with the same generated line and column, but different * source/name/original line and column the same. Useful when searching for a * mapping with a stubbed out mapping. */ function compareByGeneratedPositionsDeflated(mappingA, mappingB, onlyCompareGenerated) { var cmp = mappingA.generatedLine - mappingB.generatedLine; if (cmp !== 0) { return cmp; } cmp = mappingA.generatedColumn - mappingB.generatedColumn; if (cmp !== 0 || onlyCompareGenerated) { return cmp; } cmp = strcmp(mappingA.source, mappingB.source); if (cmp !== 0) { return cmp; } cmp = mappingA.originalLine - mappingB.originalLine; if (cmp !== 0) { return cmp; } cmp = mappingA.originalColumn - mappingB.originalColumn; if (cmp !== 0) { return cmp; } return strcmp(mappingA.name, mappingB.name); } exports.compareByGeneratedPositionsDeflated = compareByGeneratedPositionsDeflated; function strcmp(aStr1, aStr2) { if (aStr1 === aStr2) { return 0; } if (aStr1 === null) { return 1; // aStr2 !== null } if (aStr2 === null) { return -1; // aStr1 !== null } if (aStr1 > aStr2) { return 1; } return -1; } /** * Comparator between two mappings with inflated source and name strings where * the generated positions are compared. */ function compareByGeneratedPositionsInflated(mappingA, mappingB) { var cmp = mappingA.generatedLine - mappingB.generatedLine; if (cmp !== 0) { return cmp; } cmp = mappingA.generatedColumn - mappingB.generatedColumn; if (cmp !== 0) { return cmp; } cmp = strcmp(mappingA.source, mappingB.source); if (cmp !== 0) { return cmp; } cmp = mappingA.originalLine - mappingB.originalLine; if (cmp !== 0) { return cmp; } cmp = mappingA.originalColumn - mappingB.originalColumn; if (cmp !== 0) { return cmp; } return strcmp(mappingA.name, mappingB.name); } exports.compareByGeneratedPositionsInflated = compareByGeneratedPositionsInflated; /** * Strip any JSON XSSI avoidance prefix from the string (as documented * in the source maps specification), and then parse the string as * JSON. */ function parseSourceMapInput(str) { return JSON.parse(str.replace(/^\)]}'[^\n]*\n/, '')); } exports.parseSourceMapInput = parseSourceMapInput; /** * Compute the URL of a source given the the source root, the source's * URL, and the source map's URL. */ function computeSourceURL(sourceRoot, sourceURL, sourceMapURL) { sourceURL = sourceURL || ''; if (sourceRoot) { // This follows what Chrome does. if (sourceRoot[sourceRoot.length - 1] !== '/' && sourceURL[0] !== '/') { sourceRoot += '/'; } // The spec says: // Line 4: An optional source root, useful for relocating source // files on a server or removing repeated values in the // “sources” entry. This value is prepended to the individual // entries in the “source” field. sourceURL = sourceRoot + sourceURL; } // Historically, SourceMapConsumer did not take the sourceMapURL as // a parameter. This mode is still somewhat supported, which is why // this code block is conditional. However, it's preferable to pass // the source map URL to SourceMapConsumer, so that this function // can implement the source URL resolution algorithm as outlined in // the spec. This block is basically the equivalent of: // new URL(sourceURL, sourceMapURL).toString() // ... except it avoids using URL, which wasn't available in the // older releases of node still supported by this library. // // The spec says: // If the sources are not absolute URLs after prepending of the // “sourceRoot”, the sources are resolved relative to the // SourceMap (like resolving script src in a html document). if (sourceMapURL) { var parsed = urlParse(sourceMapURL); if (!parsed) { throw new Error("sourceMapURL could not be parsed"); } if (parsed.path) { // Strip the last path component, but keep the "/". var index = parsed.path.lastIndexOf('/'); if (index >= 0) { parsed.path = parsed.path.substring(0, index + 1); } } sourceURL = join(urlGenerate(parsed), sourceURL); } return normalize(sourceURL); } exports.computeSourceURL = computeSourceURL; /***/ }), /* 5 */ /***/ (function(module, exports, __webpack_require__) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ var util = __webpack_require__(4); var has = Object.prototype.hasOwnProperty; var hasNativeMap = typeof Map !== "undefined"; /** * A data structure which is a combination of an array and a set. Adding a new * member is O(1), testing for membership is O(1), and finding the index of an * element is O(1). Removing elements from the set is not supported. Only * strings are supported for membership. */ function ArraySet() { this._array = []; this._set = hasNativeMap ? new Map() : Object.create(null); } /** * Static method for creating ArraySet instances from an existing array. */ ArraySet.fromArray = function ArraySet_fromArray(aArray, aAllowDuplicates) { var set = new ArraySet(); for (var i = 0, len = aArray.length; i < len; i++) { set.add(aArray[i], aAllowDuplicates); } return set; }; /** * Return how many unique items are in this ArraySet. If duplicates have been * added, than those do not count towards the size. * * @returns Number */ ArraySet.prototype.size = function ArraySet_size() { return hasNativeMap ? this._set.size : Object.getOwnPropertyNames(this._set).length; }; /** * Add the given string to this set. * * @param String aStr */ ArraySet.prototype.add = function ArraySet_add(aStr, aAllowDuplicates) { var sStr = hasNativeMap ? aStr : util.toSetString(aStr); var isDuplicate = hasNativeMap ? this.has(aStr) : has.call(this._set, sStr); var idx = this._array.length; if (!isDuplicate || aAllowDuplicates) { this._array.push(aStr); } if (!isDuplicate) { if (hasNativeMap) { this._set.set(aStr, idx); } else { this._set[sStr] = idx; } } }; /** * Is the given string a member of this set? * * @param String aStr */ ArraySet.prototype.has = function ArraySet_has(aStr) { if (hasNativeMap) { return this._set.has(aStr); } else { var sStr = util.toSetString(aStr); return has.call(this._set, sStr); } }; /** * What is the index of the given string in the array? * * @param String aStr */ ArraySet.prototype.indexOf = function ArraySet_indexOf(aStr) { if (hasNativeMap) { var idx = this._set.get(aStr); if (idx >= 0) { return idx; } } else { var sStr = util.toSetString(aStr); if (has.call(this._set, sStr)) { return this._set[sStr]; } } throw new Error('"' + aStr + '" is not in the set.'); }; /** * What is the element at the given index? * * @param Number aIdx */ ArraySet.prototype.at = function ArraySet_at(aIdx) { if (aIdx >= 0 && aIdx < this._array.length) { return this._array[aIdx]; } throw new Error('No element indexed by ' + aIdx); }; /** * Returns the array representation of this set (which has the proper indices * indicated by indexOf). Note that this is a copy of the internal array used * for storing the members so that no one can mess with internal state. */ ArraySet.prototype.toArray = function ArraySet_toArray() { return this._array.slice(); }; exports.ArraySet = ArraySet; /***/ }), /* 6 */ /***/ (function(module, exports, __webpack_require__) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2014 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ var util = __webpack_require__(4); /** * Determine whether mappingB is after mappingA with respect to generated * position. */ function generatedPositionAfter(mappingA, mappingB) { // Optimized for most common case var lineA = mappingA.generatedLine; var lineB = mappingB.generatedLine; var columnA = mappingA.generatedColumn; var columnB = mappingB.generatedColumn; return lineB > lineA || lineB == lineA && columnB >= columnA || util.compareByGeneratedPositionsInflated(mappingA, mappingB) <= 0; } /** * A data structure to provide a sorted view of accumulated mappings in a * performance conscious manner. It trades a neglibable overhead in general * case for a large speedup in case of mappings being added in order. */ function MappingList() { this._array = []; this._sorted = true; // Serves as infimum this._last = {generatedLine: -1, generatedColumn: 0}; } /** * Iterate through internal items. This method takes the same arguments that * `Array.prototype.forEach` takes. * * NOTE: The order of the mappings is NOT guaranteed. */ MappingList.prototype.unsortedForEach = function MappingList_forEach(aCallback, aThisArg) { this._array.forEach(aCallback, aThisArg); }; /** * Add the given source mapping. * * @param Object aMapping */ MappingList.prototype.add = function MappingList_add(aMapping) { if (generatedPositionAfter(this._last, aMapping)) { this._last = aMapping; this._array.push(aMapping); } else { this._sorted = false; this._array.push(aMapping); } }; /** * Returns the flat, sorted array of mappings. The mappings are sorted by * generated position. * * WARNING: This method returns internal data without copying, for * performance. The return value must NOT be mutated, and should be treated as * an immutable borrow. If you want to take ownership, you must make your own * copy. */ MappingList.prototype.toArray = function MappingList_toArray() { if (!this._sorted) { this._array.sort(util.compareByGeneratedPositionsInflated); this._sorted = true; } return this._array; }; exports.MappingList = MappingList; /***/ }), /* 7 */ /***/ (function(module, exports, __webpack_require__) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ var util = __webpack_require__(4); var binarySearch = __webpack_require__(8); var ArraySet = __webpack_require__(5).ArraySet; var base64VLQ = __webpack_require__(2); var quickSort = __webpack_require__(9).quickSort; function SourceMapConsumer(aSourceMap, aSourceMapURL) { var sourceMap = aSourceMap; if (typeof aSourceMap === 'string') { sourceMap = util.parseSourceMapInput(aSourceMap); } return sourceMap.sections != null ? new IndexedSourceMapConsumer(sourceMap, aSourceMapURL) : new BasicSourceMapConsumer(sourceMap, aSourceMapURL); } SourceMapConsumer.fromSourceMap = function(aSourceMap, aSourceMapURL) { return BasicSourceMapConsumer.fromSourceMap(aSourceMap, aSourceMapURL); } /** * The version of the source mapping spec that we are consuming. */ SourceMapConsumer.prototype._version = 3; // `__generatedMappings` and `__originalMappings` are arrays that hold the // parsed mapping coordinates from the source map's "mappings" attribute. They // are lazily instantiated, accessed via the `_generatedMappings` and // `_originalMappings` getters respectively, and we only parse the mappings // and create these arrays once queried for a source location. We jump through // these hoops because there can be many thousands of mappings, and parsing // them is expensive, so we only want to do it if we must. // // Each object in the arrays is of the form: // // { // generatedLine: The line number in the generated code, // generatedColumn: The column number in the generated code, // source: The path to the original source file that generated this // chunk of code, // originalLine: The line number in the original source that // corresponds to this chunk of generated code, // originalColumn: The column number in the original source that // corresponds to this chunk of generated code, // name: The name of the original symbol which generated this chunk of // code. // } // // All properties except for `generatedLine` and `generatedColumn` can be // `null`. // // `_generatedMappings` is ordered by the generated positions. // // `_originalMappings` is ordered by the original positions. SourceMapConsumer.prototype.__generatedMappings = null; Object.defineProperty(SourceMapConsumer.prototype, '_generatedMappings', { configurable: true, enumerable: true, get: function () { if (!this.__generatedMappings) { this._parseMappings(this._mappings, this.sourceRoot); } return this.__generatedMappings; } }); SourceMapConsumer.prototype.__originalMappings = null; Object.defineProperty(SourceMapConsumer.prototype, '_originalMappings', { configurable: true, enumerable: true, get: function () { if (!this.__originalMappings) { this._parseMappings(this._mappings, this.sourceRoot); } return this.__originalMappings; } }); SourceMapConsumer.prototype._charIsMappingSeparator = function SourceMapConsumer_charIsMappingSeparator(aStr, index) { var c = aStr.charAt(index); return c === ";" || c === ","; }; /** * Parse the mappings in a string in to a data structure which we can easily * query (the ordered arrays in the `this.__generatedMappings` and * `this.__originalMappings` properties). */ SourceMapConsumer.prototype._parseMappings = function SourceMapConsumer_parseMappings(aStr, aSourceRoot) { throw new Error("Subclasses must implement _parseMappings"); }; SourceMapConsumer.GENERATED_ORDER = 1; SourceMapConsumer.ORIGINAL_ORDER = 2; SourceMapConsumer.GREATEST_LOWER_BOUND = 1; SourceMapConsumer.LEAST_UPPER_BOUND = 2; /** * Iterate over each mapping between an original source/line/column and a * generated line/column in this source map. * * @param Function aCallback * The function that is called with each mapping. * @param Object aContext * Optional. If specified, this object will be the value of `this` every * time that `aCallback` is called. * @param aOrder * Either `SourceMapConsumer.GENERATED_ORDER` or * `SourceMapConsumer.ORIGINAL_ORDER`. Specifies whether you want to * iterate over the mappings sorted by the generated file's line/column * order or the original's source/line/column order, respectively. Defaults to * `SourceMapConsumer.GENERATED_ORDER`. */ SourceMapConsumer.prototype.eachMapping = function SourceMapConsumer_eachMapping(aCallback, aContext, aOrder) { var context = aContext || null; var order = aOrder || SourceMapConsumer.GENERATED_ORDER; var mappings; switch (order) { case SourceMapConsumer.GENERATED_ORDER: mappings = this._generatedMappings; break; case SourceMapConsumer.ORIGINAL_ORDER: mappings = this._originalMappings; break; default: throw new Error("Unknown order of iteration."); } var sourceRoot = this.sourceRoot; mappings.map(function (mapping) { var source = mapping.source === null ? null : this._sources.at(mapping.source); source = util.computeSourceURL(sourceRoot, source, this._sourceMapURL); return { source: source, generatedLine: mapping.generatedLine, generatedColumn: mapping.generatedColumn, originalLine: mapping.originalLine, originalColumn: mapping.originalColumn, name: mapping.name === null ? null : this._names.at(mapping.name) }; }, this).forEach(aCallback, context); }; /** * Returns all generated line and column information for the original source, * line, and column provided. If no column is provided, returns all mappings * corresponding to a either the line we are searching for or the next * closest line that has any mappings. Otherwise, returns all mappings * corresponding to the given line and either the column we are searching for * or the next closest column that has any offsets. * * The only argument is an object with the following properties: * * - source: The filename of the original source. * - line: The line number in the original source. The line number is 1-based. * - column: Optional. the column number in the original source. * The column number is 0-based. * * and an array of objects is returned, each with the following properties: * * - line: The line number in the generated source, or null. The * line number is 1-based. * - column: The column number in the generated source, or null. * The column number is 0-based. */ SourceMapConsumer.prototype.allGeneratedPositionsFor = function SourceMapConsumer_allGeneratedPositionsFor(aArgs) { var line = util.getArg(aArgs, 'line'); // When there is no exact match, BasicSourceMapConsumer.prototype._findMapping // returns the index of the closest mapping less than the needle. By // setting needle.originalColumn to 0, we thus find the last mapping for // the given line, provided such a mapping exists. var needle = { source: util.getArg(aArgs, 'source'), originalLine: line, originalColumn: util.getArg(aArgs, 'column', 0) }; needle.source = this._findSourceIndex(needle.source); if (needle.source < 0) { return []; } var mappings = []; var index = this._findMapping(needle, this._originalMappings, "originalLine", "originalColumn", util.compareByOriginalPositions, binarySearch.LEAST_UPPER_BOUND); if (index >= 0) { var mapping = this._originalMappings[index]; if (aArgs.column === undefined) { var originalLine = mapping.originalLine; // Iterate until either we run out of mappings, or we run into // a mapping for a different line than the one we found. Since // mappings are sorted, this is guaranteed to find all mappings for // the line we found. while (mapping && mapping.originalLine === originalLine) { mappings.push({ line: util.getArg(mapping, 'generatedLine', null), column: util.getArg(mapping, 'generatedColumn', null), lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null) }); mapping = this._originalMappings[++index]; } } else { var originalColumn = mapping.originalColumn; // Iterate until either we run out of mappings, or we run into // a mapping for a different line than the one we were searching for. // Since mappings are sorted, this is guaranteed to find all mappings for // the line we are searching for. while (mapping && mapping.originalLine === line && mapping.originalColumn == originalColumn) { mappings.push({ line: util.getArg(mapping, 'generatedLine', null), column: util.getArg(mapping, 'generatedColumn', null), lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null) }); mapping = this._originalMappings[++index]; } } } return mappings; }; exports.SourceMapConsumer = SourceMapConsumer; /** * A BasicSourceMapConsumer instance represents a parsed source map which we can * query for information about the original file positions by giving it a file * position in the generated source. * * The first parameter is the raw source map (either as a JSON string, or * already parsed to an object). According to the spec, source maps have the * following attributes: * * - version: Which version of the source map spec this map is following. * - sources: An array of URLs to the original source files. * - names: An array of identifiers which can be referrenced by individual mappings. * - sourceRoot: Optional. The URL root from which all sources are relative. * - sourcesContent: Optional. An array of contents of the original source files. * - mappings: A string of base64 VLQs which contain the actual mappings. * - file: Optional. The generated file this source map is associated with. * * Here is an example source map, taken from the source map spec[0]: * * { * version : 3, * file: "out.js", * sourceRoot : "", * sources: ["foo.js", "bar.js"], * names: ["src", "maps", "are", "fun"], * mappings: "AA,AB;;ABCDE;" * } * * The second parameter, if given, is a string whose value is the URL * at which the source map was found. This URL is used to compute the * sources array. * * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit?pli=1# */ function BasicSourceMapConsumer(aSourceMap, aSourceMapURL) { var sourceMap = aSourceMap; if (typeof aSourceMap === 'string') { sourceMap = util.parseSourceMapInput(aSourceMap); } var version = util.getArg(sourceMap, 'version'); var sources = util.getArg(sourceMap, 'sources'); // Sass 3.3 leaves out the 'names' array, so we deviate from the spec (which // requires the array) to play nice here. var names = util.getArg(sourceMap, 'names', []); var sourceRoot = util.getArg(sourceMap, 'sourceRoot', null); var sourcesContent = util.getArg(sourceMap, 'sourcesContent', null); var mappings = util.getArg(sourceMap, 'mappings'); var file = util.getArg(sourceMap, 'file', null); // Once again, Sass deviates from the spec and supplies the version as a // string rather than a number, so we use loose equality checking here. if (version != this._version) { throw new Error('Unsupported version: ' + version); } if (sourceRoot) { sourceRoot = util.normalize(sourceRoot); } sources = sources .map(String) // Some source maps produce relative source paths like "./foo.js" instead of // "foo.js". Normalize these first so that future comparisons will succeed. // See bugzil.la/1090768. .map(util.normalize) // Always ensure that absolute sources are internally stored relative to // the source root, if the source root is absolute. Not doing this would // be particularly problematic when the source root is a prefix of the // source (valid, but why??). See github issue #199 and bugzil.la/1188982. .map(function (source) { return sourceRoot && util.isAbsolute(sourceRoot) && util.isAbsolute(source) ? util.relative(sourceRoot, source) : source; }); // Pass `true` below to allow duplicate names and sources. While source maps // are intended to be compressed and deduplicated, the TypeScript compiler // sometimes generates source maps with duplicates in them. See Github issue // #72 and bugzil.la/889492. this._names = ArraySet.fromArray(names.map(String), true); this._sources = ArraySet.fromArray(sources, true); this._absoluteSources = this._sources.toArray().map(function (s) { return util.computeSourceURL(sourceRoot, s, aSourceMapURL); }); this.sourceRoot = sourceRoot; this.sourcesContent = sourcesContent; this._mappings = mappings; this._sourceMapURL = aSourceMapURL; this.file = file; } BasicSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype); BasicSourceMapConsumer.prototype.consumer = SourceMapConsumer; /** * Utility function to find the index of a source. Returns -1 if not * found. */ BasicSourceMapConsumer.prototype._findSourceIndex = function(aSource) { var relativeSource = aSource; if (this.sourceRoot != null) { relativeSource = util.relative(this.sourceRoot, relativeSource); } if (this._sources.has(relativeSource)) { return this._sources.indexOf(relativeSource); } // Maybe aSource is an absolute URL as returned by |sources|. In // this case we can't simply undo the transform. var i; for (i = 0; i < this._absoluteSources.length; ++i) { if (this._absoluteSources[i] == aSource) { return i; } } return -1; }; /** * Create a BasicSourceMapConsumer from a SourceMapGenerator. * * @param SourceMapGenerator aSourceMap * The source map that will be consumed. * @param String aSourceMapURL * The URL at which the source map can be found (optional) * @returns BasicSourceMapConsumer */ BasicSourceMapConsumer.fromSourceMap = function SourceMapConsumer_fromSourceMap(aSourceMap, aSourceMapURL) { var smc = Object.create(BasicSourceMapConsumer.prototype); var names = smc._names = ArraySet.fromArray(aSourceMap._names.toArray(), true); var sources = smc._sources = ArraySet.fromArray(aSourceMap._sources.toArray(), true); smc.sourceRoot = aSourceMap._sourceRoot; smc.sourcesContent = aSourceMap._generateSourcesContent(smc._sources.toArray(), smc.sourceRoot); smc.file = aSourceMap._file; smc._sourceMapURL = aSourceMapURL; smc._absoluteSources = smc._sources.toArray().map(function (s) { return util.computeSourceURL(smc.sourceRoot, s, aSourceMapURL); }); // Because we are modifying the entries (by converting string sources and // names to indices into the sources and names ArraySets), we have to make // a copy of the entry or else bad things happen. Shared mutable state // strikes again! See github issue #191. var generatedMappings = aSourceMap._mappings.toArray().slice(); var destGeneratedMappings = smc.__generatedMappings = []; var destOriginalMappings = smc.__originalMappings = []; for (var i = 0, length = generatedMappings.length; i < length; i++) { var srcMapping = generatedMappings[i]; var destMapping = new Mapping; destMapping.generatedLine = srcMapping.generatedLine; destMapping.generatedColumn = srcMapping.generatedColumn; if (srcMapping.source) { destMapping.source = sources.indexOf(srcMapping.source); destMapping.originalLine = srcMapping.originalLine; destMapping.originalColumn = srcMapping.originalColumn; if (srcMapping.name) { destMapping.name = names.indexOf(srcMapping.name); } destOriginalMappings.push(destMapping); } destGeneratedMappings.push(destMapping); } quickSort(smc.__originalMappings, util.compareByOriginalPositions); return smc; }; /** * The version of the source mapping spec that we are consuming. */ BasicSourceMapConsumer.prototype._version = 3; /** * The list of original sources. */ Object.defineProperty(BasicSourceMapConsumer.prototype, 'sources', { get: function () { return this._absoluteSources.slice(); } }); /** * Provide the JIT with a nice shape / hidden class. */ function Mapping() { this.generatedLine = 0; this.generatedColumn = 0; this.source = null; this.originalLine = null; this.originalColumn = null; this.name = null; } /** * Parse the mappings in a string in to a data structure which we can easily * query (the ordered arrays in the `this.__generatedMappings` and * `this.__originalMappings` properties). */ BasicSourceMapConsumer.prototype._parseMappings = function SourceMapConsumer_parseMappings(aStr, aSourceRoot) { var generatedLine = 1; var previousGeneratedColumn = 0; var previousOriginalLine = 0; var previousOriginalColumn = 0; var previousSource = 0; var previousName = 0; var length = aStr.length; var index = 0; var cachedSegments = {}; var temp = {}; var originalMappings = []; var generatedMappings = []; var mapping, str, segment, end, value; while (index < length) { if (aStr.charAt(index) === ';') { generatedLine++; index++; previousGeneratedColumn = 0; } else if (aStr.charAt(index) === ',') { index++; } else { mapping = new Mapping(); mapping.generatedLine = generatedLine; // Because each offset is encoded relative to the previous one, // many segments often have the same encoding. We can exploit this // fact by caching the parsed variable length fields of each segment, // allowing us to avoid a second parse if we encounter the same // segment again. for (end = index; end < length; end++) { if (this._charIsMappingSeparator(aStr, end)) { break; } } str = aStr.slice(index, end); segment = cachedSegments[str]; if (segment) { index += str.length; } else { segment = []; while (index < end) { base64VLQ.decode(aStr, index, temp); value = temp.value; index = temp.rest; segment.push(value); } if (segment.length === 2) { throw new Error('Found a source, but no line and column'); } if (segment.length === 3) { throw new Error('Found a source and line, but no column'); } cachedSegments[str] = segment; } // Generated column. mapping.generatedColumn = previousGeneratedColumn + segment[0]; previousGeneratedColumn = mapping.generatedColumn; if (segment.length > 1) { // Original source. mapping.source = previousSource + segment[1]; previousSource += segment[1]; // Original line. mapping.originalLine = previousOriginalLine + segment[2]; previousOriginalLine = mapping.originalLine; // Lines are stored 0-based mapping.originalLine += 1; // Original column. mapping.originalColumn = previousOriginalColumn + segment[3]; previousOriginalColumn = mapping.originalColumn; if (segment.length > 4) { // Original name. mapping.name = previousName + segment[4]; previousName += segment[4]; } } generatedMappings.push(mapping); if (typeof mapping.originalLine === 'number') { originalMappings.push(mapping); } } } quickSort(generatedMappings, util.compareByGeneratedPositionsDeflated); this.__generatedMappings = generatedMappings; quickSort(originalMappings, util.compareByOriginalPositions); this.__originalMappings = originalMappings; }; /** * Find the mapping that best matches the hypothetical "needle" mapping that * we are searching for in the given "haystack" of mappings. */ BasicSourceMapConsumer.prototype._findMapping = function SourceMapConsumer_findMapping(aNeedle, aMappings, aLineName, aColumnName, aComparator, aBias) { // To return the position we are searching for, we must first find the // mapping for the given position and then return the opposite position it // points to. Because the mappings are sorted, we can use binary search to // find the best mapping. if (aNeedle[aLineName] <= 0) { throw new TypeError('Line must be greater than or equal to 1, got ' + aNeedle[aLineName]); } if (aNeedle[aColumnName] < 0) { throw new TypeError('Column must be greater than or equal to 0, got ' + aNeedle[aColumnName]); } return binarySearch.search(aNeedle, aMappings, aComparator, aBias); }; /** * Compute the last column for each generated mapping. The last column is * inclusive. */ BasicSourceMapConsumer.prototype.computeColumnSpans = function SourceMapConsumer_computeColumnSpans() { for (var index = 0; index < this._generatedMappings.length; ++index) { var mapping = this._generatedMappings[index]; // Mappings do not contain a field for the last generated columnt. We // can come up with an optimistic estimate, however, by assuming that // mappings are contiguous (i.e. given two consecutive mappings, the // first mapping ends where the second one starts). if (index + 1 < this._generatedMappings.length) { var nextMapping = this._generatedMappings[index + 1]; if (mapping.generatedLine === nextMapping.generatedLine) { mapping.lastGeneratedColumn = nextMapping.generatedColumn - 1; continue; } } // The last mapping for each line spans the entire line. mapping.lastGeneratedColumn = Infinity; } }; /** * Returns the original source, line, and column information for the generated * source's line and column positions provided. The only argument is an object * with the following properties: * * - line: The line number in the generated source. The line number * is 1-based. * - column: The column number in the generated source. The column * number is 0-based. * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the * closest element that is smaller than or greater than the one we are * searching for, respectively, if the exact element cannot be found. * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'. * * and an object is returned with the following properties: * * - source: The original source file, or null. * - line: The line number in the original source, or null. The * line number is 1-based. * - column: The column number in the original source, or null. The * column number is 0-based. * - name: The original identifier, or null. */ BasicSourceMapConsumer.prototype.originalPositionFor = function SourceMapConsumer_originalPositionFor(aArgs) { var needle = { generatedLine: util.getArg(aArgs, 'line'), generatedColumn: util.getArg(aArgs, 'column') }; var index = this._findMapping( needle, this._generatedMappings, "generatedLine", "generatedColumn", util.compareByGeneratedPositionsDeflated, util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND) ); if (index >= 0) { var mapping = this._generatedMappings[index]; if (mapping.generatedLine === needle.generatedLine) { var source = util.getArg(mapping, 'source', null); if (source !== null) { source = this._sources.at(source); source = util.computeSourceURL(this.sourceRoot, source, this._sourceMapURL); } var name = util.getArg(mapping, 'name', null); if (name !== null) { name = this._names.at(name); } return { source: source, line: util.getArg(mapping, 'originalLine', null), column: util.getArg(mapping, 'originalColumn', null), name: name }; } } return { source: null, line: null, column: null, name: null }; }; /** * Return true if we have the source content for every source in the source * map, false otherwise. */ BasicSourceMapConsumer.prototype.hasContentsOfAllSources = function BasicSourceMapConsumer_hasContentsOfAllSources() { if (!this.sourcesContent) { return false; } return this.sourcesContent.length >= this._sources.size() && !this.sourcesContent.some(function (sc) { return sc == null; }); }; /** * Returns the original source content. The only argument is the url of the * original source file. Returns null if no original source content is * available. */ BasicSourceMapConsumer.prototype.sourceContentFor = function SourceMapConsumer_sourceContentFor(aSource, nullOnMissing) { if (!this.sourcesContent) { return null; } var index = this._findSourceIndex(aSource); if (index >= 0) { return this.sourcesContent[index]; } var relativeSource = aSource; if (this.sourceRoot != null) { relativeSource = util.relative(this.sourceRoot, relativeSource); } var url; if (this.sourceRoot != null && (url = util.urlParse(this.sourceRoot))) { // XXX: file:// URIs and absolute paths lead to unexpected behavior for // many users. We can help them out when they expect file:// URIs to // behave like it would if they were running a local HTTP server. See // https://bugzilla.mozilla.org/show_bug.cgi?id=885597. var fileUriAbsPath = relativeSource.replace(/^file:\/\//, ""); if (url.scheme == "file" && this._sources.has(fileUriAbsPath)) { return this.sourcesContent[this._sources.indexOf(fileUriAbsPath)] } if ((!url.path || url.path == "/") && this._sources.has("/" + relativeSource)) { return this.sourcesContent[this._sources.indexOf("/" + relativeSource)]; } } // This function is used recursively from // IndexedSourceMapConsumer.prototype.sourceContentFor. In that case, we // don't want to throw if we can't find the source - we just want to // return null, so we provide a flag to exit gracefully. if (nullOnMissing) { return null; } else { throw new Error('"' + relativeSource + '" is not in the SourceMap.'); } }; /** * Returns the generated line and column information for the original source, * line, and column positions provided. The only argument is an object with * the following properties: * * - source: The filename of the original source. * - line: The line number in the original source. The line number * is 1-based. * - column: The column number in the original source. The column * number is 0-based. * - bias: Either 'SourceMapConsumer.GREATEST_LOWER_BOUND' or * 'SourceMapConsumer.LEAST_UPPER_BOUND'. Specifies whether to return the * closest element that is smaller than or greater than the one we are * searching for, respectively, if the exact element cannot be found. * Defaults to 'SourceMapConsumer.GREATEST_LOWER_BOUND'. * * and an object is returned with the following properties: * * - line: The line number in the generated source, or null. The * line number is 1-based. * - column: The column number in the generated source, or null. * The column number is 0-based. */ BasicSourceMapConsumer.prototype.generatedPositionFor = function SourceMapConsumer_generatedPositionFor(aArgs) { var source = util.getArg(aArgs, 'source'); source = this._findSourceIndex(source); if (source < 0) { return { line: null, column: null, lastColumn: null }; } var needle = { source: source, originalLine: util.getArg(aArgs, 'line'), originalColumn: util.getArg(aArgs, 'column') }; var index = this._findMapping( needle, this._originalMappings, "originalLine", "originalColumn", util.compareByOriginalPositions, util.getArg(aArgs, 'bias', SourceMapConsumer.GREATEST_LOWER_BOUND) ); if (index >= 0) { var mapping = this._originalMappings[index]; if (mapping.source === needle.source) { return { line: util.getArg(mapping, 'generatedLine', null), column: util.getArg(mapping, 'generatedColumn', null), lastColumn: util.getArg(mapping, 'lastGeneratedColumn', null) }; } } return { line: null, column: null, lastColumn: null }; }; exports.BasicSourceMapConsumer = BasicSourceMapConsumer; /** * An IndexedSourceMapConsumer instance represents a parsed source map which * we can query for information. It differs from BasicSourceMapConsumer in * that it takes "indexed" source maps (i.e. ones with a "sections" field) as * input. * * The first parameter is a raw source map (either as a JSON string, or already * parsed to an object). According to the spec for indexed source maps, they * have the following attributes: * * - version: Which version of the source map spec this map is following. * - file: Optional. The generated file this source map is associated with. * - sections: A list of section definitions. * * Each value under the "sections" field has two fields: * - offset: The offset into the original specified at which this section * begins to apply, defined as an object with a "line" and "column" * field. * - map: A source map definition. This source map could also be indexed, * but doesn't have to be. * * Instead of the "map" field, it's also possible to have a "url" field * specifying a URL to retrieve a source map from, but that's currently * unsupported. * * Here's an example source map, taken from the source map spec[0], but * modified to omit a section which uses the "url" field. * * { * version : 3, * file: "app.js", * sections: [{ * offset: {line:100, column:10}, * map: { * version : 3, * file: "section.js", * sources: ["foo.js", "bar.js"], * names: ["src", "maps", "are", "fun"], * mappings: "AAAA,E;;ABCDE;" * } * }], * } * * The second parameter, if given, is a string whose value is the URL * at which the source map was found. This URL is used to compute the * sources array. * * [0]: https://docs.google.com/document/d/1U1RGAehQwRypUTovF1KRlpiOFze0b-_2gc6fAH0KY0k/edit#heading=h.535es3xeprgt */ function IndexedSourceMapConsumer(aSourceMap, aSourceMapURL) { var sourceMap = aSourceMap; if (typeof aSourceMap === 'string') { sourceMap = util.parseSourceMapInput(aSourceMap); } var version = util.getArg(sourceMap, 'version'); var sections = util.getArg(sourceMap, 'sections'); if (version != this._version) { throw new Error('Unsupported version: ' + version); } this._sources = new ArraySet(); this._names = new ArraySet(); var lastOffset = { line: -1, column: 0 }; this._sections = sections.map(function (s) { if (s.url) { // The url field will require support for asynchronicity. // See https://github.com/mozilla/source-map/issues/16 throw new Error('Support for url field in sections not implemented.'); } var offset = util.getArg(s, 'offset'); var offsetLine = util.getArg(offset, 'line'); var offsetColumn = util.getArg(offset, 'column'); if (offsetLine < lastOffset.line || (offsetLine === lastOffset.line && offsetColumn < lastOffset.column)) { throw new Error('Section offsets must be ordered and non-overlapping.'); } lastOffset = offset; return { generatedOffset: { // The offset fields are 0-based, but we use 1-based indices when // encoding/decoding from VLQ. generatedLine: offsetLine + 1, generatedColumn: offsetColumn + 1 }, consumer: new SourceMapConsumer(util.getArg(s, 'map'), aSourceMapURL) } }); } IndexedSourceMapConsumer.prototype = Object.create(SourceMapConsumer.prototype); IndexedSourceMapConsumer.prototype.constructor = SourceMapConsumer; /** * The version of the source mapping spec that we are consuming. */ IndexedSourceMapConsumer.prototype._version = 3; /** * The list of original sources. */ Object.defineProperty(IndexedSourceMapConsumer.prototype, 'sources', { get: function () { var sources = []; for (var i = 0; i < this._sections.length; i++) { for (var j = 0; j < this._sections[i].consumer.sources.length; j++) { sources.push(this._sections[i].consumer.sources[j]); } } return sources; } }); /** * Returns the original source, line, and column information for the generated * source's line and column positions provided. The only argument is an object * with the following properties: * * - line: The line number in the generated source. The line number * is 1-based. * - column: The column number in the generated source. The column * number is 0-based. * * and an object is returned with the following properties: * * - source: The original source file, or null. * - line: The line number in the original source, or null. The * line number is 1-based. * - column: The column number in the original source, or null. The * column number is 0-based. * - name: The original identifier, or null. */ IndexedSourceMapConsumer.prototype.originalPositionFor = function IndexedSourceMapConsumer_originalPositionFor(aArgs) { var needle = { generatedLine: util.getArg(aArgs, 'line'), generatedColumn: util.getArg(aArgs, 'column') }; // Find the section containing the generated position we're trying to map // to an original position. var sectionIndex = binarySearch.search(needle, this._sections, function(needle, section) { var cmp = needle.generatedLine - section.generatedOffset.generatedLine; if (cmp) { return cmp; } return (needle.generatedColumn - section.generatedOffset.generatedColumn); }); var section = this._sections[sectionIndex]; if (!section) { return { source: null, line: null, column: null, name: null }; } return section.consumer.originalPositionFor({ line: needle.generatedLine - (section.generatedOffset.generatedLine - 1), column: needle.generatedColumn - (section.generatedOffset.generatedLine === needle.generatedLine ? section.generatedOffset.generatedColumn - 1 : 0), bias: aArgs.bias }); }; /** * Return true if we have the source content for every source in the source * map, false otherwise. */ IndexedSourceMapConsumer.prototype.hasContentsOfAllSources = function IndexedSourceMapConsumer_hasContentsOfAllSources() { return this._sections.every(function (s) { return s.consumer.hasContentsOfAllSources(); }); }; /** * Returns the original source content. The only argument is the url of the * original source file. Returns null if no original source content is * available. */ IndexedSourceMapConsumer.prototype.sourceContentFor = function IndexedSourceMapConsumer_sourceContentFor(aSource, nullOnMissing) { for (var i = 0; i < this._sections.length; i++) { var section = this._sections[i]; var content = section.consumer.sourceContentFor(aSource, true); if (content) { return content; } } if (nullOnMissing) { return null; } else { throw new Error('"' + aSource + '" is not in the SourceMap.'); } }; /** * Returns the generated line and column information for the original source, * line, and column positions provided. The only argument is an object with * the following properties: * * - source: The filename of the original source. * - line: The line number in the original source. The line number * is 1-based. * - column: The column number in the original source. The column * number is 0-based. * * and an object is returned with the following properties: * * - line: The line number in the generated source, or null. The * line number is 1-based. * - column: The column number in the generated source, or null. * The column number is 0-based. */ IndexedSourceMapConsumer.prototype.generatedPositionFor = function IndexedSourceMapConsumer_generatedPositionFor(aArgs) { for (var i = 0; i < this._sections.length; i++) { var section = this._sections[i]; // Only consider this section if the requested source is in the list of // sources of the consumer. if (section.consumer._findSourceIndex(util.getArg(aArgs, 'source')) === -1) { continue; } var generatedPosition = section.consumer.generatedPositionFor(aArgs); if (generatedPosition) { var ret = { line: generatedPosition.line + (section.generatedOffset.generatedLine - 1), column: generatedPosition.column + (section.generatedOffset.generatedLine === generatedPosition.line ? section.generatedOffset.generatedColumn - 1 : 0) }; return ret; } } return { line: null, column: null }; }; /** * Parse the mappings in a string in to a data structure which we can easily * query (the ordered arrays in the `this.__generatedMappings` and * `this.__originalMappings` properties). */ IndexedSourceMapConsumer.prototype._parseMappings = function IndexedSourceMapConsumer_parseMappings(aStr, aSourceRoot) { this.__generatedMappings = []; this.__originalMappings = []; for (var i = 0; i < this._sections.length; i++) { var section = this._sections[i]; var sectionMappings = section.consumer._generatedMappings; for (var j = 0; j < sectionMappings.length; j++) { var mapping = sectionMappings[j]; var source = section.consumer._sources.at(mapping.source); source = util.computeSourceURL(section.consumer.sourceRoot, source, this._sourceMapURL); this._sources.add(source); source = this._sources.indexOf(source); var name = null; if (mapping.name) { name = section.consumer._names.at(mapping.name); this._names.add(name); name = this._names.indexOf(name); } // The mappings coming from the consumer for the section have // generated positions relative to the start of the section, so we // need to offset them to be relative to the start of the concatenated // generated file. var adjustedMapping = { source: source, generatedLine: mapping.generatedLine + (section.generatedOffset.generatedLine - 1), generatedColumn: mapping.generatedColumn + (section.generatedOffset.generatedLine === mapping.generatedLine ? section.generatedOffset.generatedColumn - 1 : 0), originalLine: mapping.originalLine, originalColumn: mapping.originalColumn, name: name }; this.__generatedMappings.push(adjustedMapping); if (typeof adjustedMapping.originalLine === 'number') { this.__originalMappings.push(adjustedMapping); } } } quickSort(this.__generatedMappings, util.compareByGeneratedPositionsDeflated); quickSort(this.__originalMappings, util.compareByOriginalPositions); }; exports.IndexedSourceMapConsumer = IndexedSourceMapConsumer; /***/ }), /* 8 */ /***/ (function(module, exports) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ exports.GREATEST_LOWER_BOUND = 1; exports.LEAST_UPPER_BOUND = 2; /** * Recursive implementation of binary search. * * @param aLow Indices here and lower do not contain the needle. * @param aHigh Indices here and higher do not contain the needle. * @param aNeedle The element being searched for. * @param aHaystack The non-empty array being searched. * @param aCompare Function which takes two elements and returns -1, 0, or 1. * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the * closest element that is smaller than or greater than the one we are * searching for, respectively, if the exact element cannot be found. */ function recursiveSearch(aLow, aHigh, aNeedle, aHaystack, aCompare, aBias) { // This function terminates when one of the following is true: // // 1. We find the exact element we are looking for. // // 2. We did not find the exact element, but we can return the index of // the next-closest element. // // 3. We did not find the exact element, and there is no next-closest // element than the one we are searching for, so we return -1. var mid = Math.floor((aHigh - aLow) / 2) + aLow; var cmp = aCompare(aNeedle, aHaystack[mid], true); if (cmp === 0) { // Found the element we are looking for. return mid; } else if (cmp > 0) { // Our needle is greater than aHaystack[mid]. if (aHigh - mid > 1) { // The element is in the upper half. return recursiveSearch(mid, aHigh, aNeedle, aHaystack, aCompare, aBias); } // The exact needle element was not found in this haystack. Determine if // we are in termination case (3) or (2) and return the appropriate thing. if (aBias == exports.LEAST_UPPER_BOUND) { return aHigh < aHaystack.length ? aHigh : -1; } else { return mid; } } else { // Our needle is less than aHaystack[mid]. if (mid - aLow > 1) { // The element is in the lower half. return recursiveSearch(aLow, mid, aNeedle, aHaystack, aCompare, aBias); } // we are in termination case (3) or (2) and return the appropriate thing. if (aBias == exports.LEAST_UPPER_BOUND) { return mid; } else { return aLow < 0 ? -1 : aLow; } } } /** * This is an implementation of binary search which will always try and return * the index of the closest element if there is no exact hit. This is because * mappings between original and generated line/col pairs are single points, * and there is an implicit region between each of them, so a miss just means * that you aren't on the very start of a region. * * @param aNeedle The element you are looking for. * @param aHaystack The array that is being searched. * @param aCompare A function which takes the needle and an element in the * array and returns -1, 0, or 1 depending on whether the needle is less * than, equal to, or greater than the element, respectively. * @param aBias Either 'binarySearch.GREATEST_LOWER_BOUND' or * 'binarySearch.LEAST_UPPER_BOUND'. Specifies whether to return the * closest element that is smaller than or greater than the one we are * searching for, respectively, if the exact element cannot be found. * Defaults to 'binarySearch.GREATEST_LOWER_BOUND'. */ exports.search = function search(aNeedle, aHaystack, aCompare, aBias) { if (aHaystack.length === 0) { return -1; } var index = recursiveSearch(-1, aHaystack.length, aNeedle, aHaystack, aCompare, aBias || exports.GREATEST_LOWER_BOUND); if (index < 0) { return -1; } // We have found either the exact element, or the next-closest element than // the one we are searching for. However, there may be more than one such // element. Make sure we always return the smallest of these. while (index - 1 >= 0) { if (aCompare(aHaystack[index], aHaystack[index - 1], true) !== 0) { break; } --index; } return index; }; /***/ }), /* 9 */ /***/ (function(module, exports) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ // It turns out that some (most?) JavaScript engines don't self-host // `Array.prototype.sort`. This makes sense because C++ will likely remain // faster than JS when doing raw CPU-intensive sorting. However, when using a // custom comparator function, calling back and forth between the VM's C++ and // JIT'd JS is rather slow *and* loses JIT type information, resulting in // worse generated code for the comparator function than would be optimal. In // fact, when sorting with a comparator, these costs outweigh the benefits of // sorting in C++. By using our own JS-implemented Quick Sort (below), we get // a ~3500ms mean speed-up in `bench/bench.html`. /** * Swap the elements indexed by `x` and `y` in the array `ary`. * * @param {Array} ary * The array. * @param {Number} x * The index of the first item. * @param {Number} y * The index of the second item. */ function swap(ary, x, y) { var temp = ary[x]; ary[x] = ary[y]; ary[y] = temp; } /** * Returns a random integer within the range `low .. high` inclusive. * * @param {Number} low * The lower bound on the range. * @param {Number} high * The upper bound on the range. */ function randomIntInRange(low, high) { return Math.round(low + (Math.random() * (high - low))); } /** * The Quick Sort algorithm. * * @param {Array} ary * An array to sort. * @param {function} comparator * Function to use to compare two items. * @param {Number} p * Start index of the array * @param {Number} r * End index of the array */ function doQuickSort(ary, comparator, p, r) { // If our lower bound is less than our upper bound, we (1) partition the // array into two pieces and (2) recurse on each half. If it is not, this is // the empty array and our base case. if (p < r) { // (1) Partitioning. // // The partitioning chooses a pivot between `p` and `r` and moves all // elements that are less than or equal to the pivot to the before it, and // all the elements that are greater than it after it. The effect is that // once partition is done, the pivot is in the exact place it will be when // the array is put in sorted order, and it will not need to be moved // again. This runs in O(n) time. // Always choose a random pivot so that an input array which is reverse // sorted does not cause O(n^2) running time. var pivotIndex = randomIntInRange(p, r); var i = p - 1; swap(ary, pivotIndex, r); var pivot = ary[r]; // Immediately after `j` is incremented in this loop, the following hold // true: // // * Every element in `ary[p .. i]` is less than or equal to the pivot. // // * Every element in `ary[i+1 .. j-1]` is greater than the pivot. for (var j = p; j < r; j++) { if (comparator(ary[j], pivot) <= 0) { i += 1; swap(ary, i, j); } } swap(ary, i + 1, j); var q = i + 1; // (2) Recurse on each half. doQuickSort(ary, comparator, p, q - 1); doQuickSort(ary, comparator, q + 1, r); } } /** * Sort the given array in-place with the given comparator function. * * @param {Array} ary * An array to sort. * @param {function} comparator * Function to use to compare two items. */ exports.quickSort = function (ary, comparator) { doQuickSort(ary, comparator, 0, ary.length - 1); }; /***/ }), /* 10 */ /***/ (function(module, exports, __webpack_require__) { /* -*- Mode: js; js-indent-level: 2; -*- */ /* * Copyright 2011 Mozilla Foundation and contributors * Licensed under the New BSD license. See LICENSE or: * http://opensource.org/licenses/BSD-3-Clause */ var SourceMapGenerator = __webpack_require__(1).SourceMapGenerator; var util = __webpack_require__(4); // Matches a Windows-style `\r\n` newline or a `\n` newline used by all other // operating systems these days (capturing the result). var REGEX_NEWLINE = /(\r?\n)/; // Newline character code for charCodeAt() comparisons var NEWLINE_CODE = 10; // Private symbol for identifying `SourceNode`s when multiple versions of // the source-map library are loaded. This MUST NOT CHANGE across // versions! var isSourceNode = "$$$isSourceNode$$$"; /** * SourceNodes provide a way to abstract over interpolating/concatenating * snippets of generated JavaScript source code while maintaining the line and * column information associated with the original source code. * * @param aLine The original line number. * @param aColumn The original column number. * @param aSource The original source's filename. * @param aChunks Optional. An array of strings which are snippets of * generated JS, or other SourceNodes. * @param aName The original identifier. */ function SourceNode(aLine, aColumn, aSource, aChunks, aName) { this.children = []; this.sourceContents = {}; this.line = aLine == null ? null : aLine; this.column = aColumn == null ? null : aColumn; this.source = aSource == null ? null : aSource; this.name = aName == null ? null : aName; this[isSourceNode] = true; if (aChunks != null) this.add(aChunks); } /** * Creates a SourceNode from generated code and a SourceMapConsumer. * * @param aGeneratedCode The generated code * @param aSourceMapConsumer The SourceMap for the generated code * @param aRelativePath Optional. The path that relative sources in the * SourceMapConsumer should be relative to. */ SourceNode.fromStringWithSourceMap = function SourceNode_fromStringWithSourceMap(aGeneratedCode, aSourceMapConsumer, aRelativePath) { // The SourceNode we want to fill with the generated code // and the SourceMap var node = new SourceNode(); // All even indices of this array are one line of the generated code, // while all odd indices are the newlines between two adjacent lines // (since `REGEX_NEWLINE` captures its match). // Processed fragments are accessed by calling `shiftNextLine`. var remainingLines = aGeneratedCode.split(REGEX_NEWLINE); var remainingLinesIndex = 0; var shiftNextLine = function() { var lineContents = getNextLine(); // The last line of a file might not have a newline. var newLine = getNextLine() || ""; return lineContents + newLine; function getNextLine() { return remainingLinesIndex < remainingLines.length ? remainingLines[remainingLinesIndex++] : undefined; } }; // We need to remember the position of "remainingLines" var lastGeneratedLine = 1, lastGeneratedColumn = 0; // The generate SourceNodes we need a code range. // To extract it current and last mapping is used. // Here we store the last mapping. var lastMapping = null; aSourceMapConsumer.eachMapping(function (mapping) { if (lastMapping !== null) { // We add the code from "lastMapping" to "mapping": // First check if there is a new line in between. if (lastGeneratedLine < mapping.generatedLine) { // Associate first line with "lastMapping" addMappingWithCode(lastMapping, shiftNextLine()); lastGeneratedLine++; lastGeneratedColumn = 0; // The remaining code is added without mapping } else { // There is no new line in between. // Associate the code between "lastGeneratedColumn" and // "mapping.generatedColumn" with "lastMapping" var nextLine = remainingLines[remainingLinesIndex] || ''; var code = nextLine.substr(0, mapping.generatedColumn - lastGeneratedColumn); remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn - lastGeneratedColumn); lastGeneratedColumn = mapping.generatedColumn; addMappingWithCode(lastMapping, code); // No more remaining code, continue lastMapping = mapping; return; } } // We add the generated code until the first mapping // to the SourceNode without any mapping. // Each line is added as separate string. while (lastGeneratedLine < mapping.generatedLine) { node.add(shiftNextLine()); lastGeneratedLine++; } if (lastGeneratedColumn < mapping.generatedColumn) { var nextLine = remainingLines[remainingLinesIndex] || ''; node.add(nextLine.substr(0, mapping.generatedColumn)); remainingLines[remainingLinesIndex] = nextLine.substr(mapping.generatedColumn); lastGeneratedColumn = mapping.generatedColumn; } lastMapping = mapping; }, this); // We have processed all mappings. if (remainingLinesIndex < remainingLines.length) { if (lastMapping) { // Associate the remaining code in the current line with "lastMapping" addMappingWithCode(lastMapping, shiftNextLine()); } // and add the remaining lines without any mapping node.add(remainingLines.splice(remainingLinesIndex).join("")); } // Copy sourcesContent into SourceNode aSourceMapConsumer.sources.forEach(function (sourceFile) { var content = aSourceMapConsumer.sourceContentFor(sourceFile); if (content != null) { if (aRelativePath != null) { sourceFile = util.join(aRelativePath, sourceFile); } node.setSourceContent(sourceFile, content); } }); return node; function addMappingWithCode(mapping, code) { if (mapping === null || mapping.source === undefined) { node.add(code); } else { var source = aRelativePath ? util.join(aRelativePath, mapping.source) : mapping.source; node.add(new SourceNode(mapping.originalLine, mapping.originalColumn, source, code, mapping.name)); } } }; /** * Add a chunk of generated JS to this source node. * * @param aChunk A string snippet of generated JS code, another instance of * SourceNode, or an array where each member is one of those things. */ SourceNode.prototype.add = function SourceNode_add(aChunk) { if (Array.isArray(aChunk)) { aChunk.forEach(function (chunk) { this.add(chunk); }, this); } else if (aChunk[isSourceNode] || typeof aChunk === "string") { if (aChunk) { this.children.push(aChunk); } } else { throw new TypeError( "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk ); } return this; }; /** * Add a chunk of generated JS to the beginning of this source node. * * @param aChunk A string snippet of generated JS code, another instance of * SourceNode, or an array where each member is one of those things. */ SourceNode.prototype.prepend = function SourceNode_prepend(aChunk) { if (Array.isArray(aChunk)) { for (var i = aChunk.length-1; i >= 0; i--) { this.prepend(aChunk[i]); } } else if (aChunk[isSourceNode] || typeof aChunk === "string") { this.children.unshift(aChunk); } else { throw new TypeError( "Expected a SourceNode, string, or an array of SourceNodes and strings. Got " + aChunk ); } return this; }; /** * Walk over the tree of JS snippets in this node and its children. The * walking function is called once for each snippet of JS and is passed that * snippet and the its original associated source's line/column location. * * @param aFn The traversal function. */ SourceNode.prototype.walk = function SourceNode_walk(aFn) { var chunk; for (var i = 0, len = this.children.length; i < len; i++) { chunk = this.children[i]; if (chunk[isSourceNode]) { chunk.walk(aFn); } else { if (chunk !== '') { aFn(chunk, { source: this.source, line: this.line, column: this.column, name: this.name }); } } } }; /** * Like `String.prototype.join` except for SourceNodes. Inserts `aStr` between * each of `this.children`. * * @param aSep The separator. */ SourceNode.prototype.join = function SourceNode_join(aSep) { var newChildren; var i; var len = this.children.length; if (len > 0) { newChildren = []; for (i = 0; i < len-1; i++) { newChildren.push(this.children[i]); newChildren.push(aSep); } newChildren.push(this.children[i]); this.children = newChildren; } return this; }; /** * Call String.prototype.replace on the very right-most source snippet. Useful * for trimming whitespace from the end of a source node, etc. * * @param aPattern The pattern to replace. * @param aReplacement The thing to replace the pattern with. */ SourceNode.prototype.replaceRight = function SourceNode_replaceRight(aPattern, aReplacement) { var lastChild = this.children[this.children.length - 1]; if (lastChild[isSourceNode]) { lastChild.replaceRight(aPattern, aReplacement); } else if (typeof lastChild === 'string') { this.children[this.children.length - 1] = lastChild.replace(aPattern, aReplacement); } else { this.children.push(''.replace(aPattern, aReplacement)); } return this; }; /** * Set the source content for a source file. This will be added to the SourceMapGenerator * in the sourcesContent field. * * @param aSourceFile The filename of the source file * @param aSourceContent The content of the source file */ SourceNode.prototype.setSourceContent = function SourceNode_setSourceContent(aSourceFile, aSourceContent) { this.sourceContents[util.toSetString(aSourceFile)] = aSourceContent; }; /** * Walk over the tree of SourceNodes. The walking function is called for each * source file content and is passed the filename and source content. * * @param aFn The traversal function. */ SourceNode.prototype.walkSourceContents = function SourceNode_walkSourceContents(aFn) { for (var i = 0, len = this.children.length; i < len; i++) { if (this.children[i][isSourceNode]) { this.children[i].walkSourceContents(aFn); } } var sources = Object.keys(this.sourceContents); for (var i = 0, len = sources.length; i < len; i++) { aFn(util.fromSetString(sources[i]), this.sourceContents[sources[i]]); } }; /** * Return the string representation of this source node. Walks over the tree * and concatenates all the various snippets together to one string. */ SourceNode.prototype.toString = function SourceNode_toString() { var str = ""; this.walk(function (chunk) { str += chunk; }); return str; }; /** * Returns the string representation of this source node along with a source * map. */ SourceNode.prototype.toStringWithSourceMap = function SourceNode_toStringWithSourceMap(aArgs) { var generated = { code: "", line: 1, column: 0 }; var map = new SourceMapGenerator(aArgs); var sourceMappingActive = false; var lastOriginalSource = null; var lastOriginalLine = null; var lastOriginalColumn = null; var lastOriginalName = null; this.walk(function (chunk, original) { generated.code += chunk; if (original.source !== null && original.line !== null && original.column !== null) { if(lastOriginalSource !== original.source || lastOriginalLine !== original.line || lastOriginalColumn !== original.column || lastOriginalName !== original.name) { map.addMapping({ source: original.source, original: { line: original.line, column: original.column }, generated: { line: generated.line, column: generated.column }, name: original.name }); } lastOriginalSource = original.source; lastOriginalLine = original.line; lastOriginalColumn = original.column; lastOriginalName = original.name; sourceMappingActive = true; } else if (sourceMappingActive) { map.addMapping({ generated: { line: generated.line, column: generated.column } }); lastOriginalSource = null; sourceMappingActive = false; } for (var idx = 0, length = chunk.length; idx < length; idx++) { if (chunk.charCodeAt(idx) === NEWLINE_CODE) { generated.line++; generated.column = 0; // Mappings end at eol if (idx + 1 === length) { lastOriginalSource = null; sourceMappingActive = false; } else if (sourceMappingActive) { map.addMapping({ source: original.source, original: { line: original.line, column: original.column }, generated: { line: generated.line, column: generated.column }, name: original.name }); } } else { generated.column++; } } }); this.walkSourceContents(function (sourceFile, sourceContent) { map.setSourceContent(sourceFile, sourceContent); }); return { code: generated.code, map: map }; }; exports.SourceNode = SourceNode; /***/ }) /******/ ]) }); ;