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/*
SPDX-FileCopyrightText: 2007 Hamish Rodda <rodda@kde.org>
SPDX-FileCopyrightText: 2007-2008 David Nolden <david.nolden.kdevelop@art-master.de>
SPDX-License-Identifier: LGPL-2.0-only
*/
#ifndef KDEVPLATFORM_ABSTRACTFUNCTIONDECLARATION_H
#define KDEVPLATFORM_ABSTRACTFUNCTIONDECLARATION_H
#include "indexedducontext.h"
#include <language/languageexport.h>
#include <util/namespacedoperatorbitwiseorworkaroundqtbug.h>
namespace KDevelop {
class DUContext;
class IndexedString;
class AbstractFunctionDeclarationData
{
public:
AbstractFunctionDeclarationData() : m_isVirtual(false)
, m_isInline(false)
, m_isExplicit(false)
{
}
IndexedDUContext m_functionContext;
bool m_isVirtual : 1; ///@todo move into ClassFunctionDeclaration(Only valid for class-functions)
bool m_isInline : 1;
bool m_isExplicit : 1; ///@todo move into ClassFunctionDeclaration(Only valid for class-functions)
};
/**
* Provides an interface to declarations which represent functions in a definition-use chain.
* Don't inherit from this directly, use MergeAbstractFunctionDeclaration instead.
*/
class KDEVPLATFORMLANGUAGE_EXPORT AbstractFunctionDeclaration
{
public:
virtual ~AbstractFunctionDeclaration();
enum FunctionSpecifier {
VirtualSpecifier = 0x1 /**< indicates a virtual function */,
InlineSpecifier = 0x2 /**< indicates a inline function */,
ExplicitSpecifier = 0x4 /**< indicates a explicit function */
};
Q_DECLARE_FLAGS(FunctionSpecifiers, FunctionSpecifier)
void setFunctionSpecifiers(FunctionSpecifiers specifiers);
bool isInline() const;
void setInline(bool isInline);
///Only used for class-member function declarations(see ClassFunctionDeclaration)
bool isVirtual() const;
void setVirtual(bool isVirtual);
///Only used for class-member function declarations(see ClassFunctionDeclaration)
bool isExplicit() const;
void setExplicit(bool isExplicit);
///Return the DUContext::Function type ducontext (the function parameter context) of this function
///Same as internalContext if the function has no definition
DUContext* internalFunctionContext() const;
void setInternalFunctionContext(DUContext* context);
/**
* Returns the default-parameters that are set. The last default-parameter matches the last
* argument of the function, but the returned vector will only contain default-values for those
* arguments that have one, for performance-reasons.
*
* So the vector may be empty or smaller than the count of function-arguments.
* */
virtual const IndexedString* defaultParameters() const = 0;
virtual unsigned int defaultParametersSize() const = 0;
virtual void addDefaultParameter(const IndexedString& str) = 0;
virtual void clearDefaultParameters() = 0;
///Returns the default parameter assigned to the given argument number.
///This is a convenience-function.
IndexedString defaultParameterForArgument(int index) const;
private:
//Must be implemented by sub-classes to provide a pointer to the data
virtual const AbstractFunctionDeclarationData* data() const = 0;
virtual AbstractFunctionDeclarationData* dynamicData() = 0;
};
Q_DECLARE_OPERATORS_FOR_FLAGS(AbstractFunctionDeclaration::FunctionSpecifiers)
///Use this to merge AbstractFunctionDeclaration into the class hierarchy. Base must be the base-class
///in the hierarchy, and Data must be the Data class of the following Declaration, and must be based on AbstractFunctionDeclarationData
///and BaseData.
template <class Base, class _Data>
class MergeAbstractFunctionDeclaration
: public Base
, public AbstractFunctionDeclaration
{
public:
template <class BaseData>
explicit MergeAbstractFunctionDeclaration(BaseData& data) : Base(data)
{
}
template <class BaseData, class Arg2>
MergeAbstractFunctionDeclaration(BaseData& data, const Arg2& arg2) : Base(data, arg2)
{
}
template <class BaseData, class Arg2, class Arg3>
MergeAbstractFunctionDeclaration(BaseData& data, const Arg2& arg2, const Arg3& arg3) : Base(data, arg2, arg3)
{
}
private:
const AbstractFunctionDeclarationData* data() const override
{
return static_cast<const _Data*>(Base::d_func());
}
AbstractFunctionDeclarationData* dynamicData() override
{
return static_cast<_Data*>(Base::d_func_dynamic());
}
};
}
#endif // KDEVPLATFORM_ABSTRACTFUNCTIONDECLARATION_H
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