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;
profile()48         PassRefPtr<Profile> profile() const { return m_profile; }
originatingGlobalExec()49         ExecState* originatingGlobalExec() const { return m_originatingGlobalExec; }
profileGroup()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