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      1 /*
      2  * Copyright (c) 2010, Google Inc. All rights reserved.
      3  *
      4  * Redistribution and use in source and binary forms, with or without
      5  * modification, are permitted provided that the following conditions are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #include "config.h"
     32 #include "ScriptProfile.h"
     33 
     34 #include "InspectorValues.h"
     35 #include "V8Binding.h"
     36 #include <v8-profiler.h>
     37 #include <wtf/PassRefPtr.h>
     38 #include <wtf/RefPtr.h>
     39 
     40 namespace WebCore {
     41 
     42 ScriptProfile::~ScriptProfile()
     43 {
     44     const_cast<v8::CpuProfile*>(m_profile)->Delete();
     45 }
     46 
     47 String ScriptProfile::title() const
     48 {
     49     v8::HandleScope scope;
     50     return toWebCoreString(m_profile->GetTitle());
     51 }
     52 
     53 unsigned int ScriptProfile::uid() const
     54 {
     55     return m_profile->GetUid();
     56 }
     57 
     58 PassRefPtr<ScriptProfileNode> ScriptProfile::head() const
     59 {
     60     return ScriptProfileNode::create(m_profile->GetTopDownRoot());
     61 }
     62 
     63 static PassRefPtr<InspectorObject> buildInspectorObjectFor(const v8::CpuProfileNode* node)
     64 {
     65     v8::HandleScope handleScope;
     66     RefPtr<InspectorObject> result = InspectorObject::create();
     67     result->setString("functionName", toWebCoreString(node->GetFunctionName()));
     68     result->setString("url", toWebCoreString(node->GetScriptResourceName()));
     69     result->setNumber("lineNumber", node->GetLineNumber());
     70     result->setNumber("totalTime", node->GetTotalTime());
     71     result->setNumber("selfTime", node->GetSelfTime());
     72     result->setNumber("numberOfCalls", 0);
     73     result->setBoolean("visible", true);
     74     result->setNumber("callUID", node->GetCallUid());
     75 
     76     RefPtr<InspectorArray> children = InspectorArray::create();
     77     const int childrenCount = node->GetChildrenCount();
     78     for (int i = 0; i < childrenCount; i++) {
     79         const v8::CpuProfileNode* child = node->GetChild(i);
     80         children->pushObject(buildInspectorObjectFor(child));
     81     }
     82     result->setArray("children", children);
     83     return result.release();
     84 }
     85 
     86 PassRefPtr<InspectorObject> ScriptProfile::buildInspectorObjectForHead() const
     87 {
     88     return buildInspectorObjectFor(m_profile->GetTopDownRoot());
     89 }
     90 
     91 } // namespace WebCore
     92