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/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of the Qt Build Suite.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia. For licensing terms and
** conditions see http://qt.digia.com/licensing. For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** 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.
**
** In addition, as a special exception, Digia gives you certain additional
** rights. These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/
#ifndef QBS_BUILDGRAPH_H
#define QBS_BUILDGRAPH_H
#include <language/forward_decls.h>
#include <QScriptValue>
#include <QStringList>
namespace qbs {
namespace Internal {
class Artifact;
class ScriptEngine;
/**
* N artifact, T transformer, parent -> child
* parent depends on child, child is a dependency of parent,
* parent is a dependent of child.
*
* N a.out -> N main.o -> N main.cpp
*
* Every artifact can point to a transformer which contains the commands.
* Multiple artifacts can point to the same transformer.
*/
class BuildGraph
{
public:
static bool findPath(Artifact *u, Artifact *v, QList<Artifact*> &path);
static void connect(Artifact *p, Artifact *c);
static void loggedConnect(Artifact *u, Artifact *v);
static bool safeConnect(Artifact *u, Artifact *v);
static void removeGeneratedArtifactFromDisk(Artifact *artifact);
static void disconnect(Artifact *u, Artifact *v);
static void setupScriptEngineForProduct(ScriptEngine *engine,
const ResolvedProductConstPtr &product, const RuleConstPtr &rule,
QScriptValue targetObject);
static QString fileName(const Artifact *n); // Debugging helpers
template <typename T>
static QStringList toStringList(const T &artifactContainer)
{
QStringList l;
foreach (Artifact *n, artifactContainer)
l.append(fileName(n));
return l;
}
private:
BuildGraph();
};
} // namespace Internal
} // namespace qbs
#endif // QBS_BUILDGRAPH_H
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