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/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Contact: http://www.qt.io/licensing/
**
** This file is part of the QtQml module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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 The Qt Company. For licensing terms
** and conditions see http://www.qt.io/terms-conditions. For further
** information use the contact form at http://www.qt.io/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 or version 3 as published by the Free
** Software Foundation and appearing in the file LICENSE.LGPLv21 and
** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
** requirements will be met: https://www.gnu.org/licenses/lgpl.html and
** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** As a special exception, The Qt Company gives you certain additional
** rights. These rights are described in The Qt Company LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QV4ISEL_P_H
#define QV4ISEL_P_H
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#include "private/qv4global_p.h"
#include "qv4jsir_p.h"
#include <private/qv4compileddata_p.h>
#include <private/qv4compiler_p.h>
#include <qglobal.h>
#include <QHash>
QT_BEGIN_NAMESPACE
class QQmlEnginePrivate;
namespace QV4 {
class ExecutableAllocator;
struct Function;
class Q_QML_PRIVATE_EXPORT EvalInstructionSelection
{
public:
EvalInstructionSelection(QV4::ExecutableAllocator *execAllocator, IR::Module *module, QV4::Compiler::JSUnitGenerator *jsGenerator);
virtual ~EvalInstructionSelection() = 0;
QQmlRefPointer<QV4::CompiledData::CompilationUnit> compile(bool generateUnitData = true);
void setUseFastLookups(bool b) { useFastLookups = b; }
void setUseTypeInference(bool onoff) { useTypeInference = onoff; }
int registerString(const QString &str) { return jsGenerator->registerString(str); }
uint registerIndexedGetterLookup() { return jsGenerator->registerIndexedGetterLookup(); }
uint registerIndexedSetterLookup() { return jsGenerator->registerIndexedSetterLookup(); }
uint registerGetterLookup(const QString &name) { return jsGenerator->registerGetterLookup(name); }
uint registerSetterLookup(const QString &name) { return jsGenerator->registerSetterLookup(name); }
uint registerGlobalGetterLookup(const QString &name) { return jsGenerator->registerGlobalGetterLookup(name); }
int registerRegExp(IR::RegExp *regexp) { return jsGenerator->registerRegExp(regexp); }
int registerJSClass(int count, IR::ExprList *args) { return jsGenerator->registerJSClass(count, args); }
QV4::Compiler::JSUnitGenerator *jsUnitGenerator() const { return jsGenerator; }
protected:
virtual void run(int functionIndex) = 0;
virtual QQmlRefPointer<QV4::CompiledData::CompilationUnit> backendCompileStep() = 0;
bool useFastLookups;
bool useTypeInference;
QV4::ExecutableAllocator *executableAllocator;
QV4::Compiler::JSUnitGenerator *jsGenerator;
QScopedPointer<QV4::Compiler::JSUnitGenerator> ownJSGenerator;
IR::Module *irModule;
};
class Q_QML_PRIVATE_EXPORT EvalISelFactory
{
public:
virtual ~EvalISelFactory() = 0;
virtual EvalInstructionSelection *create(QQmlEnginePrivate *qmlEngine, QV4::ExecutableAllocator *execAllocator, IR::Module *module, QV4::Compiler::JSUnitGenerator *jsGenerator) = 0;
virtual bool jitCompileRegexps() const = 0;
};
namespace IR {
class Q_QML_PRIVATE_EXPORT IRDecoder: protected IR::StmtVisitor
{
public:
IRDecoder() : _function(0) {}
virtual ~IRDecoder() = 0;
virtual void visitPhi(IR::Phi *) {}
public: // visitor methods for StmtVisitor:
virtual void visitMove(IR::Move *s);
virtual void visitExp(IR::Exp *s);
public: // to implement by subclasses:
virtual void callBuiltinInvalid(IR::Name *func, IR::ExprList *args, IR::Expr *result) = 0;
virtual void callBuiltinTypeofQmlContextProperty(IR::Expr *base, IR::Member::MemberKind kind, int propertyIndex, IR::Expr *result) = 0;
virtual void callBuiltinTypeofMember(IR::Expr *base, const QString &name, IR::Expr *result) = 0;
virtual void callBuiltinTypeofSubscript(IR::Expr *base, IR::Expr *index, IR::Expr *result) = 0;
virtual void callBuiltinTypeofName(const QString &name, IR::Expr *result) = 0;
virtual void callBuiltinTypeofValue(IR::Expr *value, IR::Expr *result) = 0;
virtual void callBuiltinDeleteMember(IR::Expr *base, const QString &name, IR::Expr *result) = 0;
virtual void callBuiltinDeleteSubscript(IR::Expr *base, IR::Expr *index, IR::Expr *result) = 0;
virtual void callBuiltinDeleteName(const QString &name, IR::Expr *result) = 0;
virtual void callBuiltinDeleteValue(IR::Expr *result) = 0;
virtual void callBuiltinThrow(IR::Expr *arg) = 0;
virtual void callBuiltinReThrow() = 0;
virtual void callBuiltinUnwindException(IR::Expr *) = 0;
virtual void callBuiltinPushCatchScope(const QString &exceptionName) = 0;
virtual void callBuiltinForeachIteratorObject(IR::Expr *arg, IR::Expr *result) = 0;
virtual void callBuiltinForeachNextPropertyname(IR::Expr *arg, IR::Expr *result) = 0;
virtual void callBuiltinPushWithScope(IR::Expr *arg) = 0;
virtual void callBuiltinPopScope() = 0;
virtual void callBuiltinDeclareVar(bool deletable, const QString &name) = 0;
virtual void callBuiltinDefineArray(IR::Expr *result, IR::ExprList *args) = 0;
virtual void callBuiltinDefineObjectLiteral(IR::Expr *result, int keyValuePairCount, IR::ExprList *keyValuePairs, IR::ExprList *arrayEntries, bool needSparseArray) = 0;
virtual void callBuiltinSetupArgumentObject(IR::Expr *result) = 0;
virtual void callBuiltinConvertThisToObject() = 0;
virtual void callValue(IR::Expr *value, IR::ExprList *args, IR::Expr *result) = 0;
virtual void callQmlContextProperty(IR::Expr *base, IR::Member::MemberKind kind, int propertyIndex, IR::ExprList *args, IR::Expr *result) = 0;
virtual void callProperty(IR::Expr *base, const QString &name, IR::ExprList *args, IR::Expr *result) = 0;
virtual void callSubscript(IR::Expr *base, IR::Expr *index, IR::ExprList *args, IR::Expr *result) = 0;
virtual void convertType(IR::Expr *source, IR::Expr *target) = 0;
virtual void constructActivationProperty(IR::Name *func, IR::ExprList *args, IR::Expr *result) = 0;
virtual void constructProperty(IR::Expr *base, const QString &name, IR::ExprList *args, IR::Expr *result) = 0;
virtual void constructValue(IR::Expr *value, IR::ExprList *args, IR::Expr *result) = 0;
virtual void loadThisObject(IR::Expr *target) = 0;
virtual void loadQmlContext(IR::Expr *target) = 0;
virtual void loadQmlImportedScripts(IR::Expr *target) = 0;
virtual void loadQmlSingleton(const QString &name, IR::Expr *target) = 0;
virtual void loadConst(IR::Const *sourceConst, IR::Expr *target) = 0;
virtual void loadString(const QString &str, IR::Expr *target) = 0;
virtual void loadRegexp(IR::RegExp *sourceRegexp, IR::Expr *target) = 0;
virtual void getActivationProperty(const IR::Name *name, IR::Expr *target) = 0;
virtual void setActivationProperty(IR::Expr *source, const QString &targetName) = 0;
virtual void initClosure(IR::Closure *closure, IR::Expr *target) = 0;
virtual void getProperty(IR::Expr *base, const QString &name, IR::Expr *target) = 0;
virtual void getQObjectProperty(IR::Expr *base, int propertyIndex, bool captureRequired, bool isSingletonProperty, int attachedPropertiesId, IR::Expr *target) = 0;
virtual void getQmlContextProperty(IR::Expr *source, IR::Member::MemberKind kind, int index, IR::Expr *target) = 0;
virtual void setProperty(IR::Expr *source, IR::Expr *targetBase, const QString &targetName) = 0;
virtual void setQmlContextProperty(IR::Expr *source, IR::Expr *targetBase, IR::Member::MemberKind kind, int propertyIndex) = 0;
virtual void setQObjectProperty(IR::Expr *source, IR::Expr *targetBase, int propertyIndex) = 0;
virtual void getElement(IR::Expr *base, IR::Expr *index, IR::Expr *target) = 0;
virtual void setElement(IR::Expr *source, IR::Expr *targetBase, IR::Expr *targetIndex) = 0;
virtual void copyValue(IR::Expr *source, IR::Expr *target) = 0;
virtual void swapValues(IR::Expr *source, IR::Expr *target) = 0;
virtual void unop(IR::AluOp oper, IR::Expr *source, IR::Expr *target) = 0;
virtual void binop(IR::AluOp oper, IR::Expr *leftSource, IR::Expr *rightSource, IR::Expr *target) = 0;
protected:
virtual void callBuiltin(IR::Call *c, IR::Expr *result);
IR::Function *_function; // subclass needs to set
};
} // namespace IR
} // namespace QV4
QT_END_NAMESPACE
#endif // QV4ISEL_P_H
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