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/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2012 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: http://www.qt-project.org/
**
**
** 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.
**
**
**************************************************************************/
#ifndef QMAKEEVALUATOR_H
#define QMAKEEVALUATOR_H
#include "qmakeparser.h"
#include "ioutils.h"
#include <QList>
#include <QSet>
#include <QStack>
#include <QString>
#include <QStringList>
#ifndef QT_BOOTSTRAPPED
# include <QProcess>
#endif
QT_BEGIN_NAMESPACE
class QMakeGlobals;
class QMAKE_EXPORT QMakeHandler : public QMakeParserHandler
{
public:
// qmake/project configuration error
virtual void configError(const QString &msg) = 0;
// Some error during evaluation
virtual void evalError(const QString &filename, int lineNo, const QString &msg) = 0;
// error() and message() from .pro file
virtual void fileMessage(const QString &msg) = 0;
enum EvalFileType { EvalProjectFile, EvalIncludeFile, EvalConfigFile, EvalFeatureFile, EvalAuxFile };
virtual void aboutToEval(ProFile *parent, ProFile *proFile, EvalFileType type) = 0;
virtual void doneWithEval(ProFile *parent) = 0;
};
class QMAKE_EXPORT QMakeEvaluator
{
public:
enum LoadFlag {
LoadProOnly = 0,
LoadPreFiles = 1,
LoadPostFiles = 2,
LoadAll = LoadPreFiles|LoadPostFiles
};
Q_DECLARE_FLAGS(LoadFlags, LoadFlag)
static void initStatics();
static void initFunctionStatics();
QMakeEvaluator(QMakeGlobals *option, QMakeParser *parser,
QMakeHandler *handler);
~QMakeEvaluator();
ProStringList values(const ProString &variableName) const;
ProStringList &valuesRef(const ProString &variableName);
ProString first(const ProString &variableName) const;
ProString propertyValue(const ProString &val) const;
enum VisitReturn {
ReturnFalse,
ReturnTrue,
ReturnBreak,
ReturnNext,
ReturnReturn
};
static ALWAYS_INLINE VisitReturn returnBool(bool b)
{ return b ? ReturnTrue : ReturnFalse; }
static ALWAYS_INLINE uint getBlockLen(const ushort *&tokPtr);
ProString getStr(const ushort *&tokPtr);
ProString getHashStr(const ushort *&tokPtr);
void evaluateExpression(const ushort *&tokPtr, ProStringList *ret, bool joined);
static ALWAYS_INLINE void skipStr(const ushort *&tokPtr);
static ALWAYS_INLINE void skipHashStr(const ushort *&tokPtr);
void skipExpression(const ushort *&tokPtr);
void loadDefaults();
bool prepareProject(const QString &inDir);
bool loadSpec();
void initFrom(const QMakeEvaluator &other);
void setupProject();
void visitCmdLine(const QString &cmds);
VisitReturn visitProFile(ProFile *pro, QMakeHandler::EvalFileType type,
LoadFlags flags);
VisitReturn visitProBlock(ProFile *pro, const ushort *tokPtr);
VisitReturn visitProBlock(const ushort *tokPtr);
VisitReturn visitProLoop(const ProString &variable, const ushort *exprPtr,
const ushort *tokPtr);
void visitProFunctionDef(ushort tok, const ProString &name, const ushort *tokPtr);
void visitProVariable(ushort tok, const ProStringList &curr, const ushort *&tokPtr);
static const ProString &map(const ProString &var);
ProValueMap *findValues(const ProString &variableName, ProValueMap::Iterator *it);
void setTemplate();
ProStringList split_value_list(const QString &vals, const ProFile *source = 0);
ProStringList expandVariableReferences(const ProString &value, int *pos = 0, bool joined = false);
ProStringList expandVariableReferences(const ushort *&tokPtr, int sizeHint = 0, bool joined = false);
QString currentFileName() const;
QString currentDirectory() const;
ProFile *currentProFile() const;
QString resolvePath(const QString &fileName) const
{ return ProFileEvaluatorInternal::IoUtils::resolvePath(currentDirectory(), fileName); }
bool evaluateFileDirect(const QString &fileName, QMakeHandler::EvalFileType type,
LoadFlags flags);
bool evaluateFile(const QString &fileName, QMakeHandler::EvalFileType type,
LoadFlags flags);
bool evaluateFeatureFile(const QString &fileName);
bool evaluateFileInto(const QString &fileName, QMakeHandler::EvalFileType type,
ProValueMap *values, // output-only
LoadFlags flags);
void evalError(const QString &msg) const;
QList<ProStringList> prepareFunctionArgs(const ushort *&tokPtr);
QList<ProStringList> prepareFunctionArgs(const ProString &arguments);
ProStringList evaluateFunction(const ProFunctionDef &func,
const QList<ProStringList> &argumentsList, bool *ok);
VisitReturn evaluateBoolFunction(const ProFunctionDef &func,
const QList<ProStringList> &argumentsList,
const ProString &function);
ProStringList evaluateExpandFunction(const ProString &function, const ProString &arguments);
ProStringList evaluateExpandFunction(const ProString &function, const ushort *&tokPtr);
ProStringList evaluateExpandFunction(const ProString &function, const ProStringList &args);
VisitReturn evaluateConditionalFunction(const ProString &function, const ProString &arguments);
VisitReturn evaluateConditionalFunction(const ProString &function, const ushort *&tokPtr);
VisitReturn evaluateConditionalFunction(const ProString &function, const ProStringList &args);
QStringList qmakeMkspecPaths() const;
QStringList qmakeFeaturePaths() const;
bool isActiveConfig(const QString &config, bool regex = false);
void populateDeps(
const ProStringList &deps, const ProString &prefix,
QHash<ProString, QSet<ProString> > &dependencies,
ProValueMap &dependees, ProStringList &rootSet) const;
QString fixPathToLocalOS(const QString &str) const;
#ifndef QT_BOOTSTRAPPED
void runProcess(QProcess *proc, const QString &command, QProcess::ProcessChannel chan) const;
#endif
int m_skipLevel;
int m_loopLevel; // To report unexpected break() and next()s
#ifdef PROEVALUATOR_CUMULATIVE
bool m_cumulative;
#else
enum { m_cumulative = 0 };
#endif
struct Location {
Location() : pro(0), line(0) {}
Location(ProFile *_pro, int _line) : pro(_pro), line(_line) {}
ProFile *pro;
int line;
};
Location m_current; // Currently evaluated location
QStack<Location> m_locationStack; // All execution location changes
QStack<ProFile *> m_profileStack; // Includes only
QString m_outputDir;
int m_listCount;
QString m_qmakespec;
QString m_qmakespecFull;
QString m_qmakespecName;
QString m_superfile;
QString m_conffile;
QString m_cachefile;
QString m_sourceRoot;
QString m_buildRoot;
QStringList m_qmakepath;
QStringList m_qmakefeatures;
QStringList m_featureRoots;
ProFunctionDefs m_functionDefs;
ProStringList m_returnValue;
QStack<ProValueMap> m_valuemapStack; // VariableName must be us-ascii, the content however can be non-us-ascii.
QString m_tmp1, m_tmp2, m_tmp3, m_tmp[2]; // Temporaries for efficient toQString
mutable QString m_mtmp;
QMakeGlobals *m_option;
QMakeParser *m_parser;
QMakeHandler *m_handler;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(QMakeEvaluator::LoadFlags)
QT_END_NAMESPACE
#endif // QMAKEEVALUATOR_H
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