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
  33 namespace JSC {
  34
  35     class CallIdentifier;
  36     class ExecState;
  37     class Profile;
  38     class ProfileNode;
  39     class UString;
  40
  41     class ProfileGenerator : public RefCounted<ProfileGenerator>  {
  42     public:
  43         static PassRefPtr<ProfileGenerator> create(const UString& title, ExecState* originatingExec, unsigned uid);
  44
  45         // Members
  46         const UString& title() const;
  47         PassRefPtr<Profile> profile() const { return m_profile; }
  48         ExecState* originatingGlobalExec() const { return m_originatingGlobalExec; }
  49         unsigned profileGroup() const { return m_profileGroup; }
  50
  51         // Collecting
  52         void willExecute(const CallIdentifier&);
  53         void didExecute(const CallIdentifier&);
  54
  55         // Stopping Profiling
  56         void stopProfiling();
  57
  58         typedef void (ProfileGenerator::*ProfileFunction)(const CallIdentifier& callIdentifier);
  59
  60     private:
  61         ProfileGenerator(const UString& title, ExecState* originatingExec, unsigned uid);
  62         void addParentForConsoleStart(ExecState*);
  63
  64         void removeProfileStart();
  65         void removeProfileEnd();
  66
  67         RefPtr<Profile> m_profile;
  68         ExecState* m_originatingGlobalExec;
  69         unsigned m_profileGroup;
  70         RefPtr<ProfileNode> m_head;
  71         RefPtr<ProfileNode> m_currentNode;
  72     };
  73
  74 } // namespace JSC
  75
  76 #endif // ProfileGenerator_h