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/****************************************************************************
**
** Copyright (C) 2016 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of PySide2.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef OVERLOADDATA_H
#define OVERLOADDATA_H
#include <abstractmetalang_typedefs.h>
#include <QtCore/QBitArray>
#include <QtCore/QVector>
QT_FORWARD_DECLARE_CLASS(QDebug)
class ShibokenGenerator;
class OverloadData;
typedef QVector<OverloadData *> OverloadDataList;
class OverloadData
{
public:
typedef QVector<const AbstractMetaFunction *> MetaFunctionList;
OverloadData(const AbstractMetaFunctionList& overloads, const ShibokenGenerator* generator);
~OverloadData();
int minArgs() const { return m_headOverloadData->m_minArgs; }
int maxArgs() const { return m_headOverloadData->m_maxArgs; }
int argPos() const { return m_argPos; }
const AbstractMetaType* argType() const { return m_argType; }
/// Returns a string list containing all the possible return types (including void) for the current OverloadData.
QStringList returnTypes() const;
/// Returns true if any of the overloads for the current OverloadData has a return type different from void.
bool hasNonVoidReturnType() const;
/// Returns true if any of the overloads for the current OverloadData has a varargs argument.
bool hasVarargs() const;
/// Returns true if any of the overloads for the current OverloadData allows threads when called.
bool hasAllowThread() const;
/// Returns true if any of the overloads for the current OverloadData is static.
bool hasStaticFunction() const;
/// Returns true if any of the overloads passed as argument is static.
static bool hasStaticFunction(const AbstractMetaFunctionList& overloads);
/// Returns true if any of the overloads for the current OverloadData is not static.
bool hasInstanceFunction() const;
/// Returns true if any of the overloads passed as argument is not static.
static bool hasInstanceFunction(const AbstractMetaFunctionList& overloads);
/// Returns true if among the overloads for the current OverloadData there are static and non-static methods altogether.
bool hasStaticAndInstanceFunctions() const;
/// Returns true if among the overloads passed as argument there are static and non-static methods altogether.
static bool hasStaticAndInstanceFunctions(const AbstractMetaFunctionList& overloads);
const AbstractMetaFunction* referenceFunction() const;
const AbstractMetaArgument* argument(const AbstractMetaFunction* func) const;
OverloadDataList overloadDataOnPosition(int argPos) const;
bool isHeadOverloadData() const { return this == m_headOverloadData; }
/// Returns the root OverloadData object that represents all the overloads.
OverloadData* headOverloadData() const { return m_headOverloadData; }
/// Returns the function that has a default value at the current OverloadData argument position, otherwise returns null.
const AbstractMetaFunction* getFunctionWithDefaultValue() const;
bool nextArgumentHasDefaultValue() const;
/// Returns the nearest occurrence, including this instance, of an argument with a default value.
OverloadData* findNextArgWithDefault();
bool isFinalOccurrence(const AbstractMetaFunction* func) const;
/// Returns the list of overloads removing repeated constant functions (ex.: "foo()" and "foo()const", the second is removed).
MetaFunctionList overloadsWithoutRepetition() const;
const MetaFunctionList& overloads() const { return m_overloads; }
OverloadDataList nextOverloadData() const { return m_nextOverloadData; }
OverloadData* previousOverloadData() const { return m_previousOverloadData; }
QVector<int> invalidArgumentLengths() const;
static int numberOfRemovedArguments(const AbstractMetaFunction* func, int finalArgPos = -1);
static QPair<int, int> getMinMaxArguments(const AbstractMetaFunctionList& overloads);
/// Returns true if all overloads have no more than one argument.
static bool isSingleArgument(const AbstractMetaFunctionList& overloads);
void dumpGraph(QString filename) const;
QString dumpGraph() const;
bool hasArgumentTypeReplace() const;
QString argumentTypeReplaced() const;
bool hasArgumentWithDefaultValue() const;
static bool hasArgumentWithDefaultValue(const AbstractMetaFunctionList& overloads);
static bool hasArgumentWithDefaultValue(const AbstractMetaFunction* func);
/// Returns a list of function arguments which have default values and were not removed.
static AbstractMetaArgumentList getArgumentsWithDefaultValues(const AbstractMetaFunction* func);
#ifndef QT_NO_DEBUG_STREAM
void formatDebug(QDebug &) const;
#endif
private:
OverloadData(OverloadData* headOverloadData, const AbstractMetaFunction* func,
const AbstractMetaType* argType, int argPos);
void addOverload(const AbstractMetaFunction* func);
OverloadData* addOverloadData(const AbstractMetaFunction* func, const AbstractMetaArgument* arg);
void sortNextOverloads();
int functionNumber(const AbstractMetaFunction* func) const;
OverloadDataList overloadDataOnPosition(OverloadData* overloadData, int argPos) const;
int m_minArgs;
int m_maxArgs;
int m_argPos;
const AbstractMetaType* m_argType;
QString m_argTypeReplaced;
MetaFunctionList m_overloads;
OverloadData* m_headOverloadData;
OverloadDataList m_nextOverloadData;
OverloadData* m_previousOverloadData;
const ShibokenGenerator* m_generator;
};
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug, const OverloadData *);
#endif
#endif // OVERLOADDATA_H
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