71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
// This file is distributed under the BSD License.
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// See "license.txt" for details.
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// Copyright 2009-2011, Jonathan Turner (jonathan@emptycrate.com)
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// and Jason Turner (jason@emptycrate.com)
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// http://www.chaiscript.com
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#include <boost/preprocessor.hpp>
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#ifndef BOOST_PP_IS_ITERATING
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#ifndef CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_
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#define CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_
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#include <boost/shared_ptr.hpp>
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#include <boost/bind.hpp>
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#include <boost/function.hpp>
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#define BOOST_PP_ITERATION_LIMITS ( 0, 10 )
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#define BOOST_PP_FILENAME_1 <chaiscript/dispatchkit/proxy_constructors.hpp>
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#include BOOST_PP_ITERATE()
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# endif
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namespace chaiscript
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{
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template<typename T>
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Proxy_Function constructor()
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{
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T *f = 0;
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return (dispatch::detail::build_constructor_(f));
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}
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}
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#else
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# define n BOOST_PP_ITERATION()
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namespace chaiscript
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{
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namespace dispatch
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{
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namespace detail
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{
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/**
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* A constructor function, used for creating a new object
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* of a given type with a given set of params
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*/
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template<typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
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boost::shared_ptr<Class> constructor_( BOOST_PP_ENUM_BINARY_PARAMS(n, Param, p) )
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{
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return boost::shared_ptr<Class>(new Class( BOOST_PP_ENUM_PARAMS(n, p) ));
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}
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/**
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* Helper function for build a constructor function
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* example:
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* dispatchengine.register_function(build_constructor<MyClass, int, const std::string&>, "MyClass");
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* \todo See if it is possible to make this not be a variadic function
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*/
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template<typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
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Proxy_Function build_constructor_(Class (*)(BOOST_PP_ENUM_PARAMS(n, Param)))
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{
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typedef boost::shared_ptr<Class> (sig)(BOOST_PP_ENUM_PARAMS(n, Param));
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return Proxy_Function(new Proxy_Function_Impl<sig>(boost::function<sig>(&(constructor_<Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, Param)>))));
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}
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}
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}
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}
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#undef n
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#endif
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