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Added protected destructors to private implementation classes

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git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@117 7ec92016-0320-0410-acc4-a06ded1c099a
This commit is contained in:
humesikkins 2003-03-06 13:54:00 +00:00
parent 1d7f58a574
commit ee3342ed54
4 changed files with 88 additions and 57 deletions
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60
MSVC/1200/Visitor.h
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@ -260,6 +260,8 @@ namespace Private
ASSERT_TYPELIST(TList);
virtual R Visit(typename TList::Head&)
{ return R(); }
protected:
~BaseVisitorImplBase() {}
};
template <class TList, class R>
@ -270,6 +272,8 @@ namespace Private
ASSERT_TYPELIST(TList);
virtual R Visit(typename TList::Head&)
{ }
protected:
~BaseVisitorImplVoidBase() {}
};
}
@ -292,10 +296,6 @@ namespace Private
////////////////////////////////////////////////////////////////////////////////
// class template DefaultCatchAll
////////////////////////////////////////////////////////////////////////////////
namespace Private
{
}
template <typename R, typename Visited>
struct DefaultCatchAll
{
@ -376,36 +376,39 @@ namespace Private
class BaseVisitableBase
{
typedef R ReturnType;
protected:
template <class T>
static ReturnType AcceptImpl(T& visited, BaseVisitor& guest)
protected:
template <class T>
static ReturnType AcceptImpl(T& visited, BaseVisitor& guest)
{
typedef ApplyInnerType2<CatchAll, R, T>::type CatchA;
// Apply the Acyclic Visitor
if (Visitor<T, R>* p = dynamic_cast<Visitor<T, R>*>(&guest))
{
typedef ApplyInnerType2<CatchAll, R, T>::type CatchA;
// Apply the Acyclic Visitor
if (Visitor<T, R>* p = dynamic_cast<Visitor<T, R>*>(&guest))
{
return p->Visit(visited);
}
return CatchA::OnUnknownVisitor(visited, guest);
return p->Visit(visited);
}
return CatchA::OnUnknownVisitor(visited, guest);
}
~BaseVisitableBase() {}
};
template <class R, class CatchAll>
class BaseVisitableVoidBase
{
typedef R ReturnType;
protected:
template <class T>
static ReturnType AcceptImpl(T& visited, BaseVisitor& guest)
protected:
template <class T>
static ReturnType AcceptImpl(T& visited, BaseVisitor& guest)
{
typedef ApplyInnerType2<CatchAll, R, T>::type CatchA;
// Apply the Acyclic Visitor
if (Visitor<T>* p = dynamic_cast<Visitor<T>*>(&guest))
{
typedef ApplyInnerType2<CatchAll, R, T>::type CatchA;
// Apply the Acyclic Visitor
if (Visitor<T>* p = dynamic_cast<Visitor<T>*>(&guest))
{
p->Visit(visited);
return;
}
CatchA::OnUnknownVisitor(visited, guest);
p->Visit(visited);
return;
}
CatchA::OnUnknownVisitor(visited, guest);
}
~BaseVisitableVoidBase() {}
};
}
template
@ -456,6 +459,8 @@ namespace Private
Visitor<Visited, ReturnType>& subObj = *this;
return subObj.Visit(host);
}
protected:
~CyclicVisitorBase() {}
};
template <class TList>
class CyclicVisitorVoidBase : public Visitor<TList, void>
@ -467,6 +472,8 @@ namespace Private
Visitor<Visited, ReturnType>& subObj = *this;
subObj.Visit(host);
}
protected:
~CyclicVisitorVoidBase() {}
};
}
@ -505,7 +512,8 @@ namespace Private
// Oct 27, 2002: ported by Benjamin Kaufmann to MSVC 6.0
// Feb 23, 2003: Removed special visitor classes for return type void.
// Added Loki:: qualification to Accept's Paramter (in the macro) B.K.
// Mar 06, 2003: Changed default values for return types to void B.K.
// Mar 06, 2003: Changed default values for return types to void.
// Added protected destructors to private implementation classes B.K.
////////////////////////////////////////////////////////////////////////////////
#endif // VISITOR_INC_