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