Added MacOS SDK
This commit is contained in:
Andrew Zambazos
@@ -0,0 +1,284 @@
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/*
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* Copyright (C) 2013 Apple Inc. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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WI.SourceMap = class SourceMap
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{
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constructor(sourceMappingURL, payload, originalSourceCode)
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{
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if (!WI.SourceMap._base64Map) {
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var base64Digits = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
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WI.SourceMap._base64Map = {};
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for (var i = 0; i < base64Digits.length; ++i)
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WI.SourceMap._base64Map[base64Digits.charAt(i)] = i;
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}
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this._originalSourceCode = originalSourceCode || null;
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this._sourceMapResources = {};
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this._sourceMapResourcesList = [];
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this._sourceMappingURL = sourceMappingURL;
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this._reverseMappingsBySourceURL = {};
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this._mappings = [];
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this._sources = {};
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this._sourceRoot = null;
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this._sourceContentByURL = {};
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this._parseMappingPayload(payload);
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}
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// Public
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get originalSourceCode()
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{
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return this._originalSourceCode;
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}
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get sourceMappingBasePathURLComponents()
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{
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if (this._sourceMappingURLBasePathComponents)
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return this._sourceMappingURLBasePathComponents;
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if (this._sourceRoot) {
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var baseURLPath = absoluteURL(this._sourceRoot, this._sourceMappingURL);
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console.assert(baseURLPath);
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if (baseURLPath) {
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var urlComponents = parseURL(baseURLPath);
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if (!/\/$/.test(urlComponents.path))
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urlComponents.path += "/";
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this._sourceMappingURLBasePathComponents = urlComponents;
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return this._sourceMappingURLBasePathComponents;
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}
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}
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var urlComponents = parseURL(this._sourceMappingURL);
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// Fallback for JavaScript debuggable named scripts that may not have a complete URL.
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if (!urlComponents.path)
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urlComponents.path = this._sourceMappingURL || "";
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urlComponents.path = urlComponents.path.substr(0, urlComponents.path.lastIndexOf(urlComponents.lastPathComponent));
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urlComponents.lastPathComponent = null;
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this._sourceMappingURLBasePathComponents = urlComponents;
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return this._sourceMappingURLBasePathComponents;
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}
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get resources()
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{
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return this._sourceMapResourcesList;
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}
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addResource(resource)
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{
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console.assert(!(resource.url in this._sourceMapResources));
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this._sourceMapResources[resource.url] = resource;
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this._sourceMapResourcesList.push(resource);
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}
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resourceForURL(url)
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{
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return this._sourceMapResources[url];
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}
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sources()
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{
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return Object.keys(this._sources);
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}
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sourceContent(sourceURL)
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{
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return this._sourceContentByURL[sourceURL];
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}
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_parseMappingPayload(mappingPayload)
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{
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if (mappingPayload.sections)
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this._parseSections(mappingPayload.sections);
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else
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this._parseMap(mappingPayload, 0, 0);
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}
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_parseSections(sections)
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{
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for (var i = 0; i < sections.length; ++i) {
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var section = sections[i];
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this._parseMap(section.map, section.offset.line, section.offset.column);
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}
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}
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findEntry(lineNumber, columnNumber)
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{
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var first = 0;
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var count = this._mappings.length;
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while (count > 1) {
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var step = count >> 1;
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var middle = first + step;
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var mapping = this._mappings[middle];
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if (lineNumber < mapping[0] || (lineNumber === mapping[0] && columnNumber < mapping[1]))
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count = step;
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else {
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first = middle;
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count -= step;
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}
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}
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var entry = this._mappings[first];
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if (!first && entry && (lineNumber < entry[0] || (lineNumber === entry[0] && columnNumber < entry[1])))
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return null;
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return entry;
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}
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findEntryReversed(sourceURL, lineNumber)
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{
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var mappings = this._reverseMappingsBySourceURL[sourceURL];
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for ( ; lineNumber < mappings.length; ++lineNumber) {
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var mapping = mappings[lineNumber];
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if (mapping)
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return mapping;
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}
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return this._mappings[0];
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}
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_parseMap(map, lineNumber, columnNumber)
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{
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var sourceIndex = 0;
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var sourceLineNumber = 0;
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var sourceColumnNumber = 0;
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var nameIndex = 0;
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var sources = [];
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var originalToCanonicalURLMap = {};
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for (var i = 0; i < map.sources.length; ++i) {
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var originalSourceURL = map.sources[i];
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var href = originalSourceURL;
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if (map.sourceRoot && href.charAt(0) !== "/")
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href = map.sourceRoot.replace(/\/+$/, "") + "/" + href;
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var url = absoluteURL(href, this._sourceMappingURL) || href;
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originalToCanonicalURLMap[originalSourceURL] = url;
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sources.push(url);
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this._sources[url] = true;
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if (map.sourcesContent && map.sourcesContent[i])
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this._sourceContentByURL[url] = map.sourcesContent[i];
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}
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this._sourceRoot = map.sourceRoot || null;
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var stringCharIterator = new WI.SourceMap.StringCharIterator(map.mappings);
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var sourceURL = sources[sourceIndex];
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while (true) {
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if (stringCharIterator.peek() === ",")
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stringCharIterator.next();
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else {
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while (stringCharIterator.peek() === ";") {
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lineNumber += 1;
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columnNumber = 0;
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stringCharIterator.next();
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}
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if (!stringCharIterator.hasNext())
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break;
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}
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columnNumber += this._decodeVLQ(stringCharIterator);
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if (this._isSeparator(stringCharIterator.peek())) {
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this._mappings.push([lineNumber, columnNumber]);
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continue;
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}
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var sourceIndexDelta = this._decodeVLQ(stringCharIterator);
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if (sourceIndexDelta) {
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sourceIndex += sourceIndexDelta;
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sourceURL = sources[sourceIndex];
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}
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sourceLineNumber += this._decodeVLQ(stringCharIterator);
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sourceColumnNumber += this._decodeVLQ(stringCharIterator);
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if (!this._isSeparator(stringCharIterator.peek()))
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nameIndex += this._decodeVLQ(stringCharIterator);
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this._mappings.push([lineNumber, columnNumber, sourceURL, sourceLineNumber, sourceColumnNumber]);
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}
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for (var i = 0; i < this._mappings.length; ++i) {
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var mapping = this._mappings[i];
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var url = mapping[2];
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if (!url)
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continue;
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if (!this._reverseMappingsBySourceURL[url])
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this._reverseMappingsBySourceURL[url] = [];
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var reverseMappings = this._reverseMappingsBySourceURL[url];
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var sourceLine = mapping[3];
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if (!reverseMappings[sourceLine])
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reverseMappings[sourceLine] = [mapping[0], mapping[1]];
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}
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}
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_isSeparator(char)
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{
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return char === "," || char === ";";
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}
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_decodeVLQ(stringCharIterator)
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{
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// Read unsigned value.
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var result = 0;
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var shift = 0;
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do {
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var digit = WI.SourceMap._base64Map[stringCharIterator.next()];
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result += (digit & WI.SourceMap.VLQ_BASE_MASK) << shift;
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shift += WI.SourceMap.VLQ_BASE_SHIFT;
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} while (digit & WI.SourceMap.VLQ_CONTINUATION_MASK);
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// Fix the sign.
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var negative = result & 1;
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result >>= 1;
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return negative ? -result : result;
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}
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};
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WI.SourceMap.VLQ_BASE_SHIFT = 5;
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WI.SourceMap.VLQ_BASE_MASK = (1 << 5) - 1;
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WI.SourceMap.VLQ_CONTINUATION_MASK = 1 << 5;
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WI.SourceMap.StringCharIterator = class StringCharIterator
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{
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constructor(string)
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{
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this._string = string;
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this._position = 0;
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}
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next()
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{
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return this._string.charAt(this._position++);
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}
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peek()
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{
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return this._string.charAt(this._position);
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}
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hasNext()
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{
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return this._position < this._string.length;
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}
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};
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