profiler/ProfileGenerator.h

   1 /*
   2  * Copyright (C) 2008 Apple 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
   6  * are met:
   7  * 1. Redistributions of source code must retain the above copyright
   8  *    notice, this list of conditions and the following disclaimer.
   9  * 2. Redistributions in binary form must reproduce the above copyright
  10  *    notice, this list of conditions and the following disclaimer in the
  11  *    documentation and/or other materials provided with the distribution.
  12  *
  13  * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
  14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
  17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
  20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
  21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #ifndef ProfileGenerator_h
  27 #define ProfileGenerator_h
  28
  29 #include "Profile.h"
  30 #include <wtf/PassRefPtr.h>
  31 #include <wtf/RefCounted.h>
  32 #include <wtf/RefPtr.h>
  33
  34 namespace JSC {
  35
  36     class ExecState;
  37     class JSGlobalObject;
  38     class Profile;
  39     class ProfileNode;
  40     struct CallIdentifier;
  41
  42     class ProfileGenerator : public RefCounted<ProfileGenerator>  {
  43     public:
  44         static PassRefPtr<ProfileGenerator> create(ExecState*, const WTF::String& title, unsigned uid);
  45
  46         // Members
  47         const WTF::String& title() const;
  48         PassRefPtr<Profile> profile() const { return m_profile; }
  49         JSGlobalObject* origin() const { return m_origin; }
  50         unsigned profileGroup() const { return m_profileGroup; }
  51
  52         // Collecting
  53         void willExecute(ExecState* callerCallFrame, const CallIdentifier&);
  54         void didExecute(ExecState* callerCallFrame, const CallIdentifier&);
  55
  56         void exceptionUnwind(ExecState* handlerCallFrame, const CallIdentifier&);
  57
  58         // Stopping Profiling
  59         void stopProfiling();
  60
  61         typedef void (ProfileGenerator::*ProfileFunction)(ExecState* callerOrHandlerCallFrame, const CallIdentifier& callIdentifier);
  62
  63     private:
  64         ProfileGenerator(ExecState*, const WTF::String& title, unsigned uid);
  65         void addParentForConsoleStart(ExecState*);
  66
  67         void removeProfileStart();
  68         void removeProfileEnd();
  69
  70         RefPtr<Profile> m_profile;
  71         JSGlobalObject* m_origin;
  72         unsigned m_profileGroup;
  73         RefPtr<ProfileNode> m_head;
  74         RefPtr<ProfileNode> m_currentNode;
  75     };
  76
  77 } // namespace JSC
  78
  79 #endif // ProfileGenerator_h