valgrind: code cosmetics

Change-Id: I695c7d40aeb0b0b1e6f8cc0856e5fa5d9d1ce2d1
Reviewed-on: http://codereview.qt.nokia.com/1600
Reviewed-by: hjk <qthjk@ovi.com>

src/plugins/valgrind/callgrind/callgrindfunctioncycle.cpp

@@ -0,0 +1,118 @@
+/**************************************************************************
+**
+** This file is part of Qt Creator
+**
+** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
+**
+** Contact: Nokia Corporation (info@qt.nokia.com)
+**
+**
+** GNU Lesser General Public License Usage
+**
+** 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.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights. These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** Other Usage
+**
+** Alternatively, this file may be used in accordance with the terms and
+** conditions contained in a signed written agreement between you and Nokia.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at info@qt.nokia.com.
+**
+**************************************************************************/
+
+#include "callgrindfunctioncycle.h"
+#include "callgrindfunction_p.h"
+
+#include "callgrindfunctioncall.h"
+#include "callgrindparsedata.h"
+
+#include <QtCore/QStringList>
+#include <QtCore/QDebug>
+
+namespace Valgrind {
+namespace Callgrind {
+
+//BEGIN FunctionCycle::Private
+
+class FunctionCycle::Private : public Function::Private
+{
+public:
+    Private(const ParseData *data);
+    QVector<const Function *> m_functions;
+};
+
+FunctionCycle::Private::Private(const ParseData *data)
+    : Function::Private(data)
+{
+}
+
+#define CYCLE_D static_cast<FunctionCycle::Private *>(this->d)
+
+//BEGIN FunctionCycle
+
+FunctionCycle::FunctionCycle(const ParseData *data)
+    : Function(new Private(data))
+{
+}
+
+FunctionCycle::~FunctionCycle()
+{
+    // d should be deleted by Function::~Function()
+}
+
+void FunctionCycle::setFunctions(const QVector<const Function *> functions)
+{
+    Private *d = CYCLE_D;
+
+    d->m_functions = functions;
+
+    d->m_incomingCallMap.clear();
+    d->m_outgoingCallMap.clear();
+    d->m_called = 0;
+    d->m_selfCost.fill(0, d->m_data->events().size());
+    d->m_inclusiveCost.fill(0, d->m_data->events().size());
+
+    foreach (const Function *func, functions) {
+        // just add up self cost
+        d->accumulateCost(d->m_selfCost, func->selfCosts());
+        // add outgoing calls to functions that are not part of the cycle
+        foreach (const FunctionCall *call, func->outgoingCalls()) {
+            if (!functions.contains(call->callee()))
+                d->accumulateCall(call, Function::Private::Outgoing);
+        }
+        // add incoming calls from functions that are not part of the cycle
+        foreach (const FunctionCall *call, func->incomingCalls()) {
+            if (!functions.contains(call->caller())) {
+                d->accumulateCall(call, Function::Private::Incoming);
+                d->m_called += call->calls();
+                d->accumulateCost(d->m_inclusiveCost, call->costs());
+            }
+        }
+    }
+    // now subtract self from incl. cost (see implementation of inclusiveCost())
+    // now subtract self cost (see @c inclusiveCost() implementation)
+    for (int i = 0, c = d->m_inclusiveCost.size(); i < c; ++i) {
+        if (d->m_inclusiveCost.at(i) < d->m_selfCost.at(i))
+            d->m_inclusiveCost[i] = 0;
+        else
+            d->m_inclusiveCost[i] -= d->m_selfCost.at(i);
+    }
+}
+
+QVector<const Function *> FunctionCycle::functions() const
+{
+    return CYCLE_D->m_functions;
+}
+
+} // namespace Callgrind
+} // namespace Valgrind