113 lines
3.3 KiB
C++
113 lines
3.3 KiB
C++
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// (C) Copyright Gennadiy Rozental 2005-2008.
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// Distributed under the Boost Software License, Version 1.0.
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// (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org/libs/test for the library home page.
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//
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// File : $RCSfile$
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//
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// Version : $Revision: 57992 $
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//
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// Description : model of actual argument (both typed and abstract interface)
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// ***************************************************************************
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#ifndef BOOST_RT_ARGUMENT_HPP_062604GER
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#define BOOST_RT_ARGUMENT_HPP_062604GER
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// Boost.Runtime.Parameter
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#include <boost/test/utils/runtime/config.hpp>
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#include <boost/test/utils/runtime/fwd.hpp>
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#include <boost/test/utils/runtime/validation.hpp>
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// Boost.Test
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#include <boost/test/utils/class_properties.hpp>
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#include <boost/test/utils/rtti.hpp>
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// STL
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#include <cassert>
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namespace boost {
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namespace BOOST_RT_PARAM_NAMESPACE {
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// ************************************************************************** //
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// ************** runtime::argument ************** //
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// ************************************************************************** //
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#ifdef BOOST_MSVC
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# pragma warning(push)
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# pragma warning(disable:4244)
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#endif
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class argument {
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public:
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// Constructor
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argument( parameter const& p, rtti::id_t value_type )
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: p_formal_parameter( p )
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, p_value_type( value_type )
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{}
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// Destructor
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virtual ~argument() {}
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// Public properties
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unit_test::readonly_property<parameter const&> p_formal_parameter;
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unit_test::readonly_property<rtti::id_t> p_value_type;
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};
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// ************************************************************************** //
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// ************** runtime::typed_argument ************** //
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// ************************************************************************** //
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template<typename T>
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class typed_argument : public argument {
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public:
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// Constructor
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explicit typed_argument( parameter const& p )
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: argument( p, rtti::type_id<T>() )
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{}
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typed_argument( parameter const& p, T const& t )
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: argument( p, rtti::type_id<T>() )
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, p_value( t )
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{}
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unit_test::readwrite_property<T> p_value;
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};
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// ************************************************************************** //
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// ************** runtime::arg_value ************** //
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// ************************************************************************** //
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template<typename T>
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inline T const&
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arg_value( argument const& arg_ )
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{
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assert( arg_.p_value_type == rtti::type_id<T>() ); // detect logic error
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return static_cast<typed_argument<T> const&>( arg_ ).p_value.value;
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}
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//____________________________________________________________________________//
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template<typename T>
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inline T&
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arg_value( argument& arg_ )
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{
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assert( arg_.p_value_type == rtti::type_id<T>() ); // detect logic error
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return static_cast<typed_argument<T>&>( arg_ ).p_value.value;
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}
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#ifdef BOOST_MSVC
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# pragma warning(pop)
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#endif
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//____________________________________________________________________________//
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} // namespace BOOST_RT_PARAM_NAMESPACE
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} // namespace boost
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#endif // BOOST_RT_ARGUMENT_HPP_062604GER
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