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/**************************************************************************
**
** This file is part of the Qt Build Suite
**
** Copyright (c) 2012 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU General
** Public License version 3.0 as published by the Free Software Foundation
** and appearing in the file LICENSE.GPL included in the packaging of this
** file.
** Please review the following information to ensure the GNU General
** Public License version 3.0 requirements will be met:
** http://www.gnu.org/copyleft/gpl.html.
**
** 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.
**
**************************************************************************/
#ifndef BUILDGRAPHEXECUTOR_H
#define BUILDGRAPHEXECUTOR_H
#include "buildgraph.h"
#include <buildgraph/artifact.h>
#include <Qbs/processoutput.h>
#include <tools/settings.h>
#include <tools/scannerpluginmanager.h>
#include <buildgraph/scanresultcache.h>
#include <QtCore/QObject>
#include <QtCore/QVariant>
namespace qbs {
class AutoMoc;
class ExecutorJob;
class ScanResultCache;
class Executor : public QObject
{
Q_OBJECT
public:
Executor(int maxJobs = 1);
~Executor();
void build(const QList<BuildProject::Ptr> projectsToBuild, const QStringList &changedFiles, const QStringList &selectedProductNames, QFutureInterface<bool> &futureInterface);
enum ExecutorState {
ExecutorIdle,
ExecutorRunning,
ExecutorError
};
void setRunOnceAndForgetModeEnabled(bool enabled) { m_runOnceAndForgetMode = enabled; }
void setDryRun(bool b);
void setKeepGoing(bool b) { m_keepGoing = b; }
bool isKeepGoingSet() const { return m_keepGoing; }
ExecutorState state() const { return m_state; }
void setMaximumJobs(int numberOfJobs);
int maximumJobs() const;
signals:
void error();
void finished();
void stateChanged(ExecutorState);
void progress(int jobsToDo, int jobCount, const QString &description);
void newProcessOutput(const Qbs::ProcessOutput &processOutput);
protected slots:
void onProcessError(QString errorString);
void onProcessSuccess();
void resetArtifactsToUntouched();
protected:
void prepareBuildGraph(Artifact::BuildState buildState);
void prepareBuildGraph_impl(Artifact *artifact, Artifact::BuildState buildState);
void updateBuildGraph(Artifact::BuildState buildState);
void updateBuildGraph_impl(Artifact *artifact, Artifact::BuildState buildState, QSet<Artifact *> &seenArtifacts);
void doOutOfDateCheck();
void doOutOfDateCheck(Artifact *root);
void doDependencyScanTopDown();
void doDependencyScan_impl(Artifact *artifact, QSet<Artifact *> &seenArtifacts);
static bool isLeaf(Artifact *artifact);
void initLeaves(const QList<Artifact *> &changedArtifacts);
void initLeavesTopDown(Artifact *artifact, QSet<Artifact *> &seenArtifacts);
bool run(QFutureInterface<bool> &futureInterface);
qbs::FileTime timeStamp(Artifact *artifact);
bool isOutOfDate(Artifact *artifact, bool &fileExists);
bool execute(Artifact *artifact);
void finishArtifact(Artifact *artifact);
void finish();
void setState(ExecutorState);
void setError(const QString &errorMessage);
void addExecutorJobs(int jobNumber);
void removeExecutorJobs(int jobNumber);
bool runAutoMoc();
void scanFileDependencies(Artifact *processedArtifact);
void scanForFileDependencies(ScannerPlugin *scannerPlugin, const QStringList &includePaths, Artifact *processedArtifact, Artifact *inputArtifact);
static void resolveScanResultDependencies(const QStringList &includePaths, Artifact *inputArtifact, const ScanResultCache::Result &scanResult,
const QString &filePathToBeScanned, QSet<QString> *dependencies, QStringList *filePathsToScan);
void handleDependencies(Artifact *processedArtifact, Artifact *scannedArtifact, const QSet<QString> &resolvedDependencies);
void handleDependency(Artifact *processedArtifact, const QString &dependencyFilePath);
void cancelJobs();
private:
QScriptEngine *m_scriptEngine;
bool m_runOnceAndForgetMode; // This is true for the command line version.
QList<ExecutorJob*> m_availableJobs;
QHash<ExecutorJob*, Artifact *> m_processingJobs;
ExecutorState m_state;
bool m_keepGoing;
QList<BuildProject::Ptr> m_projectsToBuild;
QList<BuildProduct::Ptr> m_productsToBuild;
QList<Artifact *> m_roots;
QMap<Artifact *, QHashDummyValue> m_leaves;
QHash<Artifact *, qbs::FileTime> m_timeStampCache;
ScanResultCache m_scanResultCache;
AutoMoc *m_autoMoc;
friend class ExecutorJob;
int m_maximumJobNumber;
QFutureInterface<bool> *m_futureInterface; // TODO: its a hack
};
} // namespace qbs
#endif // BUILDGRAPHEXECUTOR_H
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