| <!DOCTYPE html> |
| <!-- |
| Copyright 2015 The Chromium Authors. All rights reserved. |
| Use of this source code is governed by a BSD-style license that can be |
| found in the LICENSE file. |
| --> |
| |
| <link rel="import" href="/tracing/extras/importer/v8/codemap.html"> |
| <link rel="import" href="/tracing/model/source_info/js_source_info.html"> |
| |
| <script> |
| 'use strict'; |
| |
| /** |
| * @fileoverview TraceCodeEntry is a wrapper around the V8 CodeEntry that |
| * extracts extra context information for each item. This includes things like |
| * the source file, line and if the function is a native method or not. |
| */ |
| tr.exportTo('tr.e.importer', function() { |
| function TraceCodeEntry(size, name, scriptId) { |
| var methodName = undefined; |
| var script = undefined; |
| var lineNum = -1; |
| var isNative = false; |
| |
| if (name.startsWith('LazyCompile:')) { |
| var cleanName = name.replace(/LazyCompile:~?/, ''); |
| var idx = cleanName.lastIndexOf(' '); |
| if (idx < 0) { |
| methodName = cleanName; |
| } else { |
| methodName = cleanName.substring(0, idx); |
| script = cleanName.substring(idx + 1); |
| |
| var matches = script.match(/(.*):(\d+)$/); |
| if (matches !== null) { |
| script = matches[1]; |
| lineNum = parseInt(matches[2]); |
| } |
| } |
| |
| if (methodName.endsWith(' native')) { |
| isNative = true; |
| methodName = methodName.replace(/\s+native$/, ''); |
| } |
| |
| if (methodName === '') |
| methodName = 'unknown'; |
| } else { |
| methodName = name; |
| } |
| |
| tr.e.importer.v8.CodeMap.CodeEntry.call(this, size, methodName); |
| |
| this.sourceInfo_ = new tr.model.source_info.JSSourceInfo( |
| script, lineNum, isNative, scriptId); |
| }; |
| |
| TraceCodeEntry.prototype = { |
| __proto__: tr.e.importer.v8.CodeMap.CodeEntry.prototype, |
| |
| get sourceInfo() { |
| return this.sourceInfo_; |
| } |
| }; |
| |
| return { |
| TraceCodeEntry: TraceCodeEntry |
| }; |
| }); |
| </script> |
| |
