debuygger: make snapshots using true parallel engines

src/plugins/debugger/sessionengine.h

@@ -0,0 +1,69 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** Commercial Usage
+**
+** Licensees holding valid Qt Commercial licenses may use this file in
+** accordance with the Qt Commercial License Agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and Nokia.
+**
+** GNU Lesser General Public License Usage
+**
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** If you are unsure which license is appropriate for your use, please
+** contact the sales department at http://qt.nokia.com/contact.
+**
+**************************************************************************/
+
+#ifndef DEBUGGER_SESSIONENGINE_H
+#define DEBUGGER_SESSIONENGINE_H
+
+#include "debuggerengine.h"
+
+namespace Debugger {
+namespace Internal {
+
+class SnapshotHandler;
+
+// This class contains data serving as a template for debugger engines
+// started during a session.
+
+class SessionEngine : public DebuggerEngine
+{
+public:
+    SessionEngine();
+
+    void setupEngine() {}
+    void setupInferior() {}
+    void runEngine() {}
+    void shutdownEngine() {}
+    void shutdownInferior() {}
+
+    bool isSessionEngine() const { return true; }
+
+    void loadSessionData();
+    void saveSessionData();
+
+public:
+    // The global set of snapshots.
+    SnapshotHandler *m_snapshotHandler;
+    // The model serving as command dispatcher.
+};
+
+
+} // namespace Internal
+} // namespace Debugger
+
+#endif // DEBUGGER_SESSIONENGINE_H