335 lines
12 KiB
C
335 lines
12 KiB
C
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/****************************************************************************
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**
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** Copyright (C) 2016 The Qt Company Ltd.
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** Contact: https://www.qt.io/licensing/
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**
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** This file is part of the qmake application of the Qt Toolkit.
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**
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** $QT_BEGIN_LICENSE:GPL-EXCEPT$
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** Commercial License Usage
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** Licensees holding valid commercial Qt licenses may use this file in
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** accordance with the commercial license agreement provided with the
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** Software or, alternatively, in accordance with the terms contained in
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** a written agreement between you and The Qt Company. For licensing terms
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** and conditions see https://www.qt.io/terms-conditions. For further
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** information use the contact form at https://www.qt.io/contact-us.
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**
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** GNU General Public License Usage
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** Alternatively, this file may be used under the terms of the GNU
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** General Public License version 3 as published by the Free Software
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** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
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** included in the packaging of this file. Please review the following
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** information to ensure the GNU General Public License requirements will
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** be met: https://www.gnu.org/licenses/gpl-3.0.html.
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**
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** $QT_END_LICENSE$
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**
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****************************************************************************/
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#ifndef QMAKEEVALUATOR_H
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#define QMAKEEVALUATOR_H
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#if defined(PROEVALUATOR_FULL) && defined(PROEVALUATOR_THREAD_SAFE)
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# error PROEVALUATOR_FULL is incompatible with PROEVALUATOR_THREAD_SAFE due to cache() implementation
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#endif
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#include "qmakeparser.h"
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#include "qmakevfs.h"
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#include "ioutils.h"
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#include <qlist.h>
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#include <qmap.h>
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#include <qset.h>
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#include <qstack.h>
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#include <qstring.h>
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#include <qstringlist.h>
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#include <qshareddata.h>
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#if QT_CONFIG(process)
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# include <qprocess.h>
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#else
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# include <qiodevice.h>
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#endif
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#ifdef PROEVALUATOR_THREAD_SAFE
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# include <qmutex.h>
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#endif
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#include <list>
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QT_BEGIN_NAMESPACE
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class QMakeGlobals;
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class QMAKE_EXPORT QMakeHandler : public QMakeParserHandler
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{
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public:
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enum {
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SourceEvaluator = 0x10,
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CumulativeEvalMessage = 0x1000,
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EvalWarnLanguage = SourceEvaluator | WarningMessage | WarnLanguage,
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EvalWarnDeprecated = SourceEvaluator | WarningMessage | WarnDeprecated,
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EvalError = ErrorMessage | SourceEvaluator
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};
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// error(), warning() and message() from .pro file
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virtual void fileMessage(int type, const QString &msg) = 0;
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enum EvalFileType { EvalProjectFile, EvalIncludeFile, EvalConfigFile, EvalFeatureFile, EvalAuxFile };
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virtual void aboutToEval(ProFile *parent, ProFile *proFile, EvalFileType type) = 0;
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virtual void doneWithEval(ProFile *parent) = 0;
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};
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typedef QPair<QString, QString> QMakeFeatureKey; // key, parent
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typedef QHash<QMakeFeatureKey, QString> QMakeFeatureHash;
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class QMAKE_EXPORT QMakeFeatureRoots : public QSharedData
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{
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public:
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QMakeFeatureRoots(const QStringList &_paths) : paths(_paths) {}
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const QStringList paths;
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mutable QMakeFeatureHash cache;
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#ifdef PROEVALUATOR_THREAD_SAFE
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mutable QMutex mutex;
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#endif
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};
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// We use a list-based stack instead of a vector-based one, so that
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// the addresses of value maps stay constant. The qmake generators rely on that.
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class QMAKE_EXPORT ProValueMapStack : public std::list<ProValueMap>
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{
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public:
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inline void push(const ProValueMap &t) { push_back(t); }
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inline ProValueMap pop() { auto r = std::move(back()); pop_back(); return r; }
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ProValueMap &top() { return back(); }
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const ProValueMap &top() const { return back(); }
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};
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namespace QMakeInternal { struct QMakeBuiltin; }
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class QMAKE_EXPORT QMakeEvaluator
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{
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public:
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enum LoadFlag {
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LoadProOnly = 0,
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LoadPreFiles = 1,
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LoadPostFiles = 2,
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LoadAll = LoadPreFiles|LoadPostFiles,
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LoadSilent = 0x10,
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LoadHidden = 0x20
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};
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Q_DECLARE_FLAGS(LoadFlags, LoadFlag)
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static void initStatics();
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static void initFunctionStatics();
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QMakeEvaluator(QMakeGlobals *option, QMakeParser *parser, QMakeVfs *vfs,
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QMakeHandler *handler);
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~QMakeEvaluator();
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void setExtraVars(const ProValueMap &extraVars) { m_extraVars = extraVars; }
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void setExtraConfigs(const ProStringList &extraConfigs) { m_extraConfigs = extraConfigs; }
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void setOutputDir(const QString &outputDir) { m_outputDir = outputDir; }
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ProStringList values(const ProKey &variableName) const;
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ProStringList &valuesRef(const ProKey &variableName);
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ProString first(const ProKey &variableName) const;
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ProString propertyValue(const ProKey &val) const;
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ProString dirSep() const { return m_dirSep; }
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bool isHostBuild() const { return m_hostBuild; }
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enum VisitReturn {
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ReturnFalse,
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ReturnTrue,
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ReturnError,
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ReturnBreak,
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ReturnNext,
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ReturnReturn
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};
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static ALWAYS_INLINE VisitReturn returnBool(bool b)
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{ return b ? ReturnTrue : ReturnFalse; }
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static ALWAYS_INLINE uint getBlockLen(const ushort *&tokPtr);
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VisitReturn evaluateExpression(const ushort *&tokPtr, ProStringList *ret, bool joined);
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static ALWAYS_INLINE void skipStr(const ushort *&tokPtr);
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static ALWAYS_INLINE void skipHashStr(const ushort *&tokPtr);
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void skipExpression(const ushort *&tokPtr);
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void loadDefaults();
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bool prepareProject(const QString &inDir);
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bool loadSpecInternal();
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bool loadSpec();
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void initFrom(const QMakeEvaluator *other);
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void setupProject();
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void evaluateCommand(const QString &cmds, const QString &where);
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void applyExtraConfigs();
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VisitReturn visitProFile(ProFile *pro, QMakeHandler::EvalFileType type,
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LoadFlags flags);
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VisitReturn visitProBlock(ProFile *pro, const ushort *tokPtr);
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VisitReturn visitProBlock(const ushort *tokPtr);
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VisitReturn visitProLoop(const ProKey &variable, const ushort *exprPtr,
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const ushort *tokPtr);
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void visitProFunctionDef(ushort tok, const ProKey &name, const ushort *tokPtr);
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VisitReturn visitProVariable(ushort tok, const ProStringList &curr, const ushort *&tokPtr);
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ALWAYS_INLINE const ProKey &map(const ProString &var) { return map(var.toKey()); }
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const ProKey &map(const ProKey &var);
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ProValueMap *findValues(const ProKey &variableName, ProValueMap::Iterator *it);
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void setTemplate();
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ProStringList split_value_list(const QStringRef &vals, int source = 0);
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VisitReturn expandVariableReferences(const ushort *&tokPtr, int sizeHint, ProStringList *ret, bool joined);
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QString currentFileName() const;
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QString currentDirectory() const;
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ProFile *currentProFile() const;
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int currentFileId() const;
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QString resolvePath(const QString &fileName) const
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{ return QMakeInternal::IoUtils::resolvePath(currentDirectory(), fileName); }
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QString filePathArg0(const ProStringList &args);
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QString filePathEnvArg0(const ProStringList &args);
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VisitReturn evaluateFile(const QString &fileName, QMakeHandler::EvalFileType type,
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LoadFlags flags);
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VisitReturn evaluateFileChecked(const QString &fileName, QMakeHandler::EvalFileType type,
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LoadFlags flags);
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VisitReturn evaluateFeatureFile(const QString &fileName, bool silent = false);
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VisitReturn evaluateFileInto(const QString &fileName,
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ProValueMap *values, // output-only
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LoadFlags flags);
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VisitReturn evaluateConfigFeatures();
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void message(int type, const QString &msg) const;
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void evalError(const QString &msg) const
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{ message(QMakeHandler::EvalError, msg); }
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void languageWarning(const QString &msg) const
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{ message(QMakeHandler::EvalWarnLanguage, msg); }
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void deprecationWarning(const QString &msg) const
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{ message(QMakeHandler::EvalWarnDeprecated, msg); }
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VisitReturn prepareFunctionArgs(const ushort *&tokPtr, QList<ProStringList> *ret);
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VisitReturn evaluateFunction(const ProFunctionDef &func,
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const QList<ProStringList> &argumentsList, ProStringList *ret);
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VisitReturn evaluateBoolFunction(const ProFunctionDef &func,
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const QList<ProStringList> &argumentsList,
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const ProString &function);
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VisitReturn evaluateExpandFunction(const ProKey &function, const ushort *&tokPtr, ProStringList *ret);
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VisitReturn evaluateConditionalFunction(const ProKey &function, const ushort *&tokPtr);
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VisitReturn evaluateBuiltinExpand(const QMakeInternal::QMakeBuiltin &adef,
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const ProKey &function, const ProStringList &args, ProStringList &ret);
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VisitReturn evaluateBuiltinConditional(const QMakeInternal::QMakeBuiltin &adef,
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const ProKey &function, const ProStringList &args);
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VisitReturn evaluateConditional(const QStringRef &cond, const QString &where, int line = -1);
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#ifdef PROEVALUATOR_FULL
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VisitReturn checkRequirements(const ProStringList &deps);
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#endif
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void updateMkspecPaths();
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void updateFeaturePaths();
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bool isActiveConfig(const QStringRef &config, bool regex = false);
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void populateDeps(
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const ProStringList &deps, const ProString &prefix, const ProStringList &suffixes,
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const ProString &priosfx,
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QHash<ProKey, QSet<ProKey> > &dependencies, ProValueMap &dependees,
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QMultiMap<int, ProString> &rootSet) const;
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bool getMemberArgs(const ProKey &name, int srclen, const ProStringList &args,
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int *start, int *end);
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VisitReturn parseJsonInto(const QByteArray &json, const QString &into, ProValueMap *value);
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VisitReturn writeFile(const QString &ctx, const QString &fn, QIODevice::OpenMode mode,
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QMakeVfs::VfsFlags flags, const QString &contents);
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#if QT_CONFIG(process)
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void runProcess(QProcess *proc, const QString &command) const;
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#endif
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QByteArray getCommandOutput(const QString &args, int *exitCode) const;
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private:
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// Implementation detail of evaluateBuiltinConditional():
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VisitReturn testFunc_cache(const ProStringList &args);
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public:
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QMakeEvaluator *m_caller;
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#ifdef PROEVALUATOR_CUMULATIVE
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bool m_cumulative;
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int m_skipLevel;
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#else
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enum { m_cumulative = 0 };
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enum { m_skipLevel = 0 };
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#endif
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static QString quoteValue(const ProString &val);
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#ifdef PROEVALUATOR_DEBUG
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void debugMsgInternal(int level, const char *fmt, ...) const;
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void traceMsgInternal(const char *fmt, ...) const;
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static QString formatValue(const ProString &val, bool forceQuote = false);
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static QString formatValueList(const ProStringList &vals, bool commas = false);
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static QString formatValueListList(const QList<ProStringList> &vals);
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const int m_debugLevel;
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#else
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ALWAYS_INLINE void debugMsgInternal(int, const char *, ...) const {}
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ALWAYS_INLINE void traceMsgInternal(const char *, ...) const {}
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enum { m_debugLevel = 0 };
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#endif
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struct Location {
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Location() : pro(nullptr), line(0) {}
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Location(ProFile *_pro, ushort _line) : pro(_pro), line(_line) {}
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void clear() { pro = nullptr; line = 0; }
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ProFile *pro;
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ushort line;
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};
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Location m_current; // Currently evaluated location
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QStack<Location> m_locationStack; // All execution location changes
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QStack<ProFile *> m_profileStack; // Includes only
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ProValueMap m_extraVars;
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ProStringList m_extraConfigs;
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QString m_outputDir;
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int m_listCount;
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int m_toggle;
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bool m_valuemapInited;
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bool m_hostBuild;
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QString m_qmakespec;
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QString m_qmakespecName;
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QString m_superfile;
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QString m_conffile;
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QString m_cachefile;
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QString m_stashfile;
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QString m_sourceRoot;
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QString m_buildRoot;
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QStringList m_qmakepath;
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QStringList m_qmakefeatures;
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QStringList m_mkspecPaths;
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QExplicitlySharedDataPointer<QMakeFeatureRoots> m_featureRoots;
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ProString m_dirSep;
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ProFunctionDefs m_functionDefs;
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ProStringList m_returnValue;
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ProValueMapStack m_valuemapStack; // VariableName must be us-ascii, the content however can be non-us-ascii.
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QString m_tmp1, m_tmp2, m_tmp3, m_tmp[2]; // Temporaries for efficient toQString
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QMakeGlobals *m_option;
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QMakeParser *m_parser;
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QMakeHandler *m_handler;
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QMakeVfs *m_vfs;
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};
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Q_DECLARE_TYPEINFO(QMakeEvaluator::Location, Q_PRIMITIVE_TYPE);
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Q_DECLARE_OPERATORS_FOR_FLAGS(QMakeEvaluator::LoadFlags)
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QT_END_NAMESPACE
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#endif // QMAKEEVALUATOR_H
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