092052ee93
git-svn-id: svn://svn.code.sf.net/p/loki-lib/code/trunk@739 7ec92016-0320-0410-acc4-a06ded1c099a
90 lines
2.2 KiB
C++
90 lines
2.2 KiB
C++
////////////////////////////////////////////////////////////////////////////////
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// The Loki Library
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// Copyright (c) 2006 Peter Kümmel
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// Permission to use, copy, modify, distribute and sell this software for any
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// purpose is hereby granted without fee, provided that the above copyright
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// notice appear in all copies and that both that copyright notice and this
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// permission notice appear in supporting documentation.
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// The author makes no representations about the
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// suitability of this software for any purpose. It is provided "as is"
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// without express or implied warranty.
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////////////////////////////////////////////////////////////////////////////////
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// $Header$
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#include <loki/Visitor.h>
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#include <iostream>
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class Base : public Loki::BaseVisitable<>
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{
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public:
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LOKI_DEFINE_VISITABLE()
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};
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class Type1 : public Base
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{
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public:
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LOKI_DEFINE_VISITABLE()
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};
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class VariableVisitor :
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public Loki::BaseVisitor,
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//public Loki::Visitor<Base>,
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//public Loki::Visitor<Type1>
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#ifndef LOKI_DISABLE_TYPELIST_MACROS
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public Loki::Visitor<LOKI_TYPELIST_2(Base,Type1)>
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#else
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public Loki::Visitor<Loki::Seq<Base,Type1>::Type>
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#endif
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{
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public:
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void Visit(Base&){std::cout << "void Visit(Base&)\n";}
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void Visit(Type1&){std::cout << "void Visit(Type1&)\n";}
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};
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class CBase : public Loki::BaseVisitable<void, Loki::DefaultCatchAll, true>
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{
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public:
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LOKI_DEFINE_CONST_VISITABLE()
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};
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class CType1 : public CBase
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{
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public:
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LOKI_DEFINE_CONST_VISITABLE()
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};
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class CVariableVisitor :
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public Loki::BaseVisitor,
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//public Loki::Visitor<CBase,void,true>,
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//public Loki::Visitor<CType1,void,true>
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#ifndef LOKI_DISABLE_TYPELIST_MACROS
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public Loki::Visitor<LOKI_TYPELIST_2(CBase,CType1),void,true>
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#else
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public Loki::Visitor<Loki::Seq<CBase,CType1>::Type,void,true>
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#endif
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{
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public:
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void Visit(const CBase&){std::cout << "void Visit(CBase&)\n";}
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void Visit(const CType1&){std::cout << "void Visit(CType1&)\n";}
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};
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int main()
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{
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VariableVisitor visitor;
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Type1 type1;
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Base* dyn = &type1;
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dyn->Accept(visitor);
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CVariableVisitor cvisitor;
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CType1 ctype1;
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CBase* cdyn = &ctype1;
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cdyn->Accept(cvisitor);
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#if defined(__BORLANDC__) || defined(_MSC_VER)
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system("PAUSE");
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#endif
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}
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