1 // Copyright 2012 the V8 project authors. All rights reserved. 2 // Redistribution and use in source and binary forms, with or without 3 // modification, are permitted provided that the following conditions are 4 // met: 5 // 6 // * Redistributions of source code must retain the above copyright 7 // notice, this list of conditions and the following disclaimer. 8 // * Redistributions in binary form must reproduce the above 9 // copyright notice, this list of conditions and the following 10 // disclaimer in the documentation and/or other materials provided 11 // with the distribution. 12 // * Neither the name of Google Inc. nor the names of its 13 // contributors may be used to endorse or promote products derived 14 // from this software without specific prior written permission. 15 // 16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 28 29 // Tick Processor's code flow. 30 31 function processArguments(args) { 32 var processor = new ArgumentsProcessor(args); 33 if (processor.parse()) { 34 return processor.result(); 35 } else { 36 processor.printUsageAndExit(); 37 } 38 } 39 40 function initSourceMapSupport() { 41 // Pull dev tools source maps into our name space. 42 SourceMap = WebInspector.SourceMap; 43 44 // Overwrite the load function to load scripts synchronously. 45 SourceMap.load = function(sourceMapURL) { 46 var content = readFile(sourceMapURL); 47 var sourceMapObject = (JSON.parse(content)); 48 return new SourceMap(sourceMapURL, sourceMapObject); 49 }; 50 } 51 52 var entriesProviders = { 53 'unix': UnixCppEntriesProvider, 54 'windows': WindowsCppEntriesProvider, 55 'mac': MacCppEntriesProvider 56 }; 57 58 var params = processArguments(arguments); 59 var sourceMap = null; 60 if (params.sourceMap) { 61 initSourceMapSupport(); 62 sourceMap = SourceMap.load(params.sourceMap); 63 } 64 var snapshotLogProcessor; 65 if (params.snapshotLogFileName) { 66 snapshotLogProcessor = new SnapshotLogProcessor(); 67 snapshotLogProcessor.processLogFile(params.snapshotLogFileName); 68 } 69 var tickProcessor = new TickProcessor( 70 new (entriesProviders[params.platform])(params.nm, params.targetRootFS), 71 params.separateIc, 72 params.callGraphSize, 73 params.ignoreUnknown, 74 params.stateFilter, 75 snapshotLogProcessor, 76 params.distortion, 77 params.range, 78 sourceMap); 79 tickProcessor.processLogFile(params.logFileName); 80 tickProcessor.printStatistics(); 81