de72192f23
The new maptracer provides a timeline visualization of the maps logged with --trace-maps. Cq-Include-Trybots: master.tryserver.chromium.linux:linux_chromium_rel_ng Change-Id: I896d677e1d28ceb7b94e29139d25c1476c8ce157 Reviewed-on: https://chromium-review.googlesource.com/664719 Reviewed-by: Mathias Bynens <mathias@chromium.org> Commit-Queue: Camillo Bruni <cbruni@chromium.org> Cr-Commit-Position: refs/heads/master@{#50158}
34 lines
1003 B
JavaScript
34 lines
1003 B
JavaScript
// Copyright 2017 the V8 project authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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function processArguments(args) {
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var processor = new ArgumentsProcessor(args);
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if (processor.parse()) {
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return processor.result();
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} else {
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processor.printUsageAndExit();
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}
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}
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function initSourceMapSupport() {
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// Pull dev tools source maps into our name space.
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SourceMap = WebInspector.SourceMap;
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// Overwrite the load function to load scripts synchronously.
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SourceMap.load = function(sourceMapURL) {
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var content = readFile(sourceMapURL);
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var sourceMapObject = (JSON.parse(content));
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return new SourceMap(sourceMapURL, sourceMapObject);
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};
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}
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var params = processArguments(arguments);
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var sourceMap = null;
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if (params.sourceMap) {
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initSourceMapSupport();
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sourceMap = SourceMap.load(params.sourceMap);
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}
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var mapProcessor = new MapProcessor();
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mapProcessor.processLogFile(params.logFileName);
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