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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 BUILDGRAPH_H
#define BUILDGRAPH_H
#include "artifactlist.h"
#include <language/language.h>
#include <tools/error.h>
#include <tools/persistence.h>
#include <QtCore/QCoreApplication>
#include <QtCore/QSet>
#include <QtCore/QSharedPointer>
#include <QtCore/QStringList>
#include <QtCore/QDir>
#include <QtCore/QVector>
#include <QtCore/QVariant>
#include <QtScript/QScriptEngine>
#include <QtCore/QFutureInterface>
namespace qbs {
class Artifact;
class Transformer;
class BuildProject;
class BuildProduct : public PersistentObject
{
public:
typedef QSharedPointer<BuildProduct> Ptr;
BuildProduct();
~BuildProduct();
const QList<Rule::Ptr> &topSortedRules() const;
BuildProject *project;
ResolvedProduct::Ptr rProduct;
QSet<Artifact *> targetArtifacts;
QList<BuildProduct *> usings;
QHash<QString, Artifact *> artifacts;
private:
void load(PersistentPool &pool, PersistentObjectData &data);
void store(PersistentPool &pool, PersistentObjectData &data) const;
private:
mutable QList<Rule::Ptr> m_topSortedRules;
};
class BuildGraph;
class BuildProject : public PersistentObject
{
friend class BuildGraph;
public:
typedef QSharedPointer<BuildProject> Ptr;
BuildProject(BuildGraph *bg);
~BuildProject();
static BuildProject::Ptr load(BuildGraph *bg, const FileTime &minTimeStamp, Configuration::Ptr cfg, const QStringList &loaderSearchPaths);
void store();
BuildGraph *buildGraph() const;
ResolvedProject::Ptr resolvedProject() const;
QSet<BuildProduct::Ptr> buildProducts() const;
QHash<QString, Artifact *> &dependencyArtifacts();
bool dirty() const;
Artifact *findArtifact(const QString &filePath) const;
private:
static QString storedProjectFilePath(BuildGraph *bg, const QString &configId);
static QStringList storedProjectFiles(BuildGraph *bg);
void load(PersistentPool &pool, PersistentObjectData &data);
void store(PersistentPool &pool, PersistentObjectData &data) const;
void markDirty();
void addBuildProduct(const BuildProduct::Ptr &product);
void setResolvedProject(const ResolvedProject::Ptr & resolvedProject);
private:
BuildGraph *m_buildGraph;
ResolvedProject::Ptr m_resolvedProject;
QSet<BuildProduct::Ptr> m_buildProducts;
QHash<QString, Artifact *> m_dependencyArtifacts;
bool m_dirty;
};
class BuildGraphListener;
/**
* 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
{
Q_DECLARE_TR_FUNCTIONS(BuildGraph)
public:
BuildGraph();
~BuildGraph();
BuildProject::Ptr resolveProject(ResolvedProject::Ptr, QFutureInterface<bool> &futureInterface);
BuildProduct::Ptr resolveProduct(BuildProject *, ResolvedProduct::Ptr, QFutureInterface<bool> &futureInterface);
void dump(BuildProduct::Ptr) const;
void applyRules(BuildProduct *product, QMap<QString, QSet<Artifact *> > &artifactsPerFileTag);
static void detectCycle(BuildProject *project);
static void detectCycle(Artifact *a);
void setOutputDirectoryRoot(const QString &buildDirectoryRoot) { m_outputDirectoryRoot = buildDirectoryRoot; }
const QString &outputDirectoryRoot() const { return m_outputDirectoryRoot; }
QString buildDirectoryRoot() const;
QString resolveOutPath(const QString &path, BuildProduct *) const;
void connect(Artifact *p, Artifact *c);
void loggedConnect(Artifact *u, Artifact *v);
bool safeConnect(Artifact *u, Artifact *v);
void insert(BuildProduct::Ptr target, Artifact *n) const;
void insert(BuildProduct *target, Artifact *n) const;
void remove(Artifact *artifact) const;
void removeArtifactAndExclusiveDependents(Artifact *artifact, QList<Artifact*> *removedArtifacts = 0);
void createOutputArtifact(BuildProduct *product,
const Rule::Ptr &rule, const RuleArtifact::Ptr &ruleArtifact,
const QSet<Artifact *> &inputArtifacts,
QList<QPair<RuleArtifact *, Artifact *> > *ruleArtifactArtifactMap,
QList<Artifact *> *outputArtifacts,
QSharedPointer<Transformer> &transformer);
void onProductChanged(BuildProduct::Ptr product, ResolvedProduct::Ptr changedProduct);
void updateNodesThatMustGetNewTransformer();
static void setupScriptEngineForProduct(QScriptEngine *scriptEngine, ResolvedProduct::Ptr product, Rule::Ptr rule, BuildGraph *bg = 0);
private:
Artifact *createArtifact(BuildProduct::Ptr product, SourceArtifact::Ptr sourceArtifact);
void applyRule(BuildProduct *product, QMap<QString, QSet<Artifact *> > &artifactsPerFileTag, Rule::Ptr rule);
void applyRule(BuildProduct *product, QMap<QString, QSet<Artifact *> > &artifactsPerFileTag, Rule::Ptr rule, const QSet<Artifact *> &inputArtifacts);
void createTransformerCommands(RuleScript::Ptr script, Transformer *transformer);
static void disconnect(Artifact *u, Artifact *v);
QSet<Artifact *> disconnect(Artifact *n) const;
void setupScriptEngineForArtifact(BuildProduct *product, Artifact *artifact);
void updateNodeThatMustGetNewTransformer(Artifact *artifact);
static void detectCycle(Artifact *v, QSet<Artifact *> &done, QSet<Artifact *> ¤tBranch);
private:
QString m_outputDirectoryRoot; /// The directory where the 'build' and 'targets' subdirectories end up.
QScriptEngine m_scriptEngine;
QHash<ResolvedProduct::Ptr, BuildProduct::Ptr> m_productCache;
QHash<QString, QScriptValue> m_jsImportCache;
QHash<QString, QScriptProgram> m_scriptProgramCache;
mutable QSet<Artifact *> m_artifactsThatMustGetNewTransformers;
};
// debugging helper
QString fileName(Artifact *n);
// debugging helper
template <typename T>
static QStringList toStringList(const T &artifactContainer)
{
QStringList l;
foreach (Artifact *n, artifactContainer)
l.append(fileName(n));
return l;
}
char **createCFileTags(const QSet<QString> &fileTags);
void freeCFileTags(char **cFileTags, int numFileTags);
} // namespace qbs
#endif // BUILDGRAPH_H
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