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 <wtf/PassRefPtr.h>
  30 #include <wtf/RefCounted.h>
  31 #include <wtf/RefPtr.h>
  32 #include <wtf/Stopwatch.h>
  33 #include <wtf/text/WTFString.h>
  34
  35 namespace JSC {
  36
  37     class DebuggerCallFrame;
  38     class ExecState;
  39     class JSGlobalObject;
  40     class Profile;
  41     class ProfileNode;
  42     struct CallIdentifier;
  43
  44     class ProfileGenerator : public RefCounted<ProfileGenerator>  {
  45     public:
  46         static Ref<ProfileGenerator> create(ExecState*, const WTF::String& title, unsigned uid, PassRefPtr<Stopwatch>);
  47
  48         // Members
  49         const WTF::String& title() const;
  50         PassRefPtr<Profile> profile() const { return m_profile; }
  51         JSGlobalObject* origin() const { return m_origin; }
  52         unsigned profileGroup() const { return m_profileGroup; }
  53
  54         void willExecute(ExecState* callerCallFrame, const CallIdentifier&);
  55         void didExecute(ExecState* callerCallFrame, const CallIdentifier&);
  56         void exceptionUnwind(ExecState* handlerCallFrame, const CallIdentifier&);
  57
  58         void setIsSuspended(bool suspended) { ASSERT(m_suspended != suspended); m_suspended = suspended; }
  59
  60         void stopProfiling();
  61
  62     private:
  63         ProfileGenerator(ExecState*, const WTF::String& title, unsigned uid, PassRefPtr<Stopwatch>);
  64         void addParentForConsoleStart(ExecState*, double);
  65
  66         void removeProfileStart();
  67         void removeProfileEnd();
  68
  69         void beginCallEntry(ProfileNode*, double startTime);
  70         void endCallEntry(ProfileNode*);
  71
  72         RefPtr<Profile> m_profile;
  73         JSGlobalObject* m_origin;
  74         unsigned m_profileGroup;
  75         RefPtr<Stopwatch> m_stopwatch;
  76         RefPtr<ProfileNode> m_rootNode;
  77         RefPtr<ProfileNode> m_currentNode;
  78         bool m_foundConsoleStartParent;
  79         bool m_suspended;
  80     };
  81
  82 } // namespace JSC
  83
  84 #endif // ProfileGenerator_h