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      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     class UString;
     41     struct CallIdentifier;
     42 
     43     class ProfileGenerator : public RefCounted<ProfileGenerator>  {
     44     public:
     45         static PassRefPtr<ProfileGenerator> create(ExecState*, const UString& title, unsigned uid);
     46 
     47         // Members
     48         const UString& title() const;
     49         PassRefPtr<Profile> profile() const { return m_profile; }
     50         JSGlobalObject* origin() const { return m_origin; }
     51         unsigned profileGroup() const { return m_profileGroup; }
     52 
     53         // Collecting
     54         void willExecute(ExecState* callerCallFrame, const CallIdentifier&);
     55         void didExecute(ExecState* callerCallFrame, const CallIdentifier&);
     56 
     57         void exceptionUnwind(ExecState* handlerCallFrame, const CallIdentifier&);
     58 
     59         // Stopping Profiling
     60         void stopProfiling();
     61 
     62         typedef void (ProfileGenerator::*ProfileFunction)(ExecState* callerOrHandlerCallFrame, const CallIdentifier& callIdentifier);
     63 
     64     private:
     65         ProfileGenerator(ExecState*, const UString& title, unsigned uid);
     66         void addParentForConsoleStart(ExecState*);
     67 
     68         void removeProfileStart();
     69         void removeProfileEnd();
     70 
     71         RefPtr<Profile> m_profile;
     72         JSGlobalObject* m_origin;
     73         unsigned m_profileGroup;
     74         RefPtr<ProfileNode> m_head;
     75         RefPtr<ProfileNode> m_currentNode;
     76     };
     77 
     78 } // namespace JSC
     79 
     80 #endif // ProfileGenerator_h
     81