profilegenerator.h

linux下开源浏览器WebKit的源码,市面上的很多商用浏览器都是移植自WebKit

/*
 * Copyright (C) 2008 Apple Inc. All Rights Reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
 
#ifndef ProfileGenerator_h
#define ProfileGenerator_h

#include <wtf/PassRefPtr.h>
#include <wtf/RefCounted.h>
#include <wtf/RefPtr.h>

namespace JSC {

    class CallIdentifier;
    class ExecState;
    class Profile;
    class ProfileNode;
    class UString;

    class ProfileGenerator : public RefCounted<ProfileGenerator>  {
    public:
        static PassRefPtr<ProfileGenerator> create(const UString& title, ExecState* originatingExec, unsigned uid);

        // Members
        const UString& title() const;
        PassRefPtr<Profile> profile() const { return m_profile; }
        ExecState* originatingGlobalExec() const { return m_originatingGlobalExec; }
        unsigned profileGroup() const { return m_profileGroup; }

        // Collecting
        void willExecute(const CallIdentifier&);
        void didExecute(const CallIdentifier&);

        // Stopping Profiling
        void stopProfiling();

        typedef void (ProfileGenerator::*ProfileFunction)(const CallIdentifier& callIdentifier);

    private:
        ProfileGenerator(const UString& title, ExecState* originatingExec, unsigned uid);
        void addParentForConsoleStart(ExecState*);

        void removeProfileStart();
        void removeProfileEnd();

        RefPtr<Profile> m_profile;
        ExecState* m_originatingGlobalExec;
        unsigned m_profileGroup;
        RefPtr<ProfileNode> m_head;
        RefPtr<ProfileNode> m_currentNode;
    };

} // namespace JSC

#endif // ProfileGenerator_h