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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
#ifndef OVERLOADDATA_H
#define OVERLOADDATA_H
#include <apiextractorresult.h>
#include <abstractmetaargument.h>
#include <QtCore/QBitArray>
#include <QtCore/QList>
#include <memory>
QT_FORWARD_DECLARE_CLASS(QDebug)
QT_FORWARD_DECLARE_CLASS(QTextStream)
class OverloadDataNode;
using OverloadDataNodePtr = std::shared_ptr<OverloadDataNode>;
using OverloadDataList = QList<OverloadDataNodePtr>;
/// The root node of OverloadData. It contains all functions
class OverloadDataRootNode
{
public:
virtual ~OverloadDataRootNode();
OverloadDataRootNode(const OverloadDataRootNode &) = delete;
OverloadDataRootNode &operator=(const OverloadDataRootNode &) = delete;
OverloadDataRootNode(OverloadDataRootNode &&) = delete;
OverloadDataRootNode &operator=(OverloadDataRootNode &&) = delete;
virtual int argPos() const { return -1; }
virtual const OverloadDataRootNode *parent() const { return nullptr; }
bool isRoot() const { return parent() == nullptr; }
AbstractMetaFunctionCPtr referenceFunction() const;
const AbstractMetaFunctionCList &overloads() const { return m_overloads; }
const OverloadDataList &children() const { return m_children; }
bool nextArgumentHasDefaultValue() const;
/// Returns the function that has a default value at the current OverloadData argument position, otherwise returns null.
AbstractMetaFunctionCPtr getFunctionWithDefaultValue() const;
/// Returns the nearest occurrence, including this instance, of an argument with a default value.
const OverloadDataRootNode *findNextArgWithDefault() const;
bool isFinalOccurrence(const AbstractMetaFunctionCPtr &func) const;
int functionNumber(const AbstractMetaFunctionCPtr &func) const;
#ifndef QT_NO_DEBUG_STREAM
virtual void formatDebug(QDebug &d) const;
#endif
OverloadDataNode *addOverloadDataNode(const AbstractMetaFunctionCPtr &func,
const AbstractMetaArgument &arg);
protected:
OverloadDataRootNode(const AbstractMetaFunctionCList &o= {});
void dumpRootGraph(QTextStream &s, int minArgs, int maxArgs) const;
void sortNextOverloads(const ApiExtractorResult &api);
#ifndef QT_NO_DEBUG_STREAM
void formatReferenceFunction(QDebug &d) const;
void formatOverloads(QDebug &d) const;
void formatNextOverloadData(QDebug &d) const;
#endif
AbstractMetaFunctionCList m_overloads;
OverloadDataList m_children;
};
/// OverloadDataNode references an argument/type combination.
class OverloadDataNode : public OverloadDataRootNode
{
public:
explicit OverloadDataNode(const AbstractMetaFunctionCPtr &func,
OverloadDataRootNode *parent,
const AbstractMetaArgument &arg, int argPos,
const QString argTypeReplaced = {});
void addOverload(const AbstractMetaFunctionCPtr &func);
int argPos() const override { return m_argPos; }
const OverloadDataRootNode *parent() const override;
void dumpNodeGraph(QTextStream &s) const;
const AbstractMetaArgument &argument() const
{ return m_argument; }
const AbstractMetaType &argType() const { return m_argument.type(); }
const AbstractMetaType &modifiedArgType() const { return m_argument.modifiedType(); }
bool isTypeModified() const { return m_argument.isTypeModified(); }
const AbstractMetaArgument *overloadArgument(const AbstractMetaFunctionCPtr &func) const;
#ifndef QT_NO_DEBUG_STREAM
void formatDebug(QDebug &d) const override;
#endif
private:
AbstractMetaArgument m_argument;
QString m_argTypeReplaced;
OverloadDataRootNode *m_parent = nullptr;
int m_argPos = -1; // Position excluding modified/removed arguments.
};
class OverloadData : public OverloadDataRootNode
{
public:
explicit OverloadData(const AbstractMetaFunctionCList &overloads,
const ApiExtractorResult &api);
int minArgs() const { return m_minArgs; }
int maxArgs() const { return m_maxArgs; }
/// 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 is static.
bool hasStaticFunction() const;
/// Returns true if any of the overloads passed as argument is static.
static bool hasStaticFunction(const AbstractMetaFunctionCList &overloads);
/// Returns true if any of the overloads for the current OverloadData is classmethod.
bool hasClassMethod() const;
/// Returns true if any of the overloads passed as argument is classmethod.
static bool hasClassMethod(const AbstractMetaFunctionCList &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 AbstractMetaFunctionCList &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 AbstractMetaFunctionCList &overloads);
QList<int> invalidArgumentLengths() const;
static int numberOfRemovedArguments(const AbstractMetaFunctionCPtr &func);
static int numberOfRemovedArguments(const AbstractMetaFunctionCPtr &func, int finalArgPos);
void dumpGraph(const QString &filename) const;
QString dumpGraph() const;
bool showGraph() const;
/// Returns true if a list of arguments is used (METH_VARARGS)
bool pythonFunctionWrapperUsesListOfArguments() const;
bool hasArgumentWithDefaultValue() const;
static bool hasArgumentWithDefaultValue(const AbstractMetaFunctionCPtr &func);
/// Returns a list of function arguments which have default values and were not removed.
static AbstractMetaArgumentList getArgumentsWithDefaultValues(const AbstractMetaFunctionCPtr &func);
#ifndef QT_NO_DEBUG_STREAM
void formatDebug(QDebug &) const override;
#endif
private:
int m_minArgs = 256;
int m_maxArgs = 0;
};
#ifndef QT_NO_DEBUG_STREAM
QDebug operator<<(QDebug, const OverloadData &);
#endif
#endif // OVERLOADDATA_H
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