generic-library/ChaiScript
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One more file no longer using boost_pp

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This commit is contained in:
Jason Turner 2011-09-13 09:40:10 -06:00
parent d5e1650167
commit f996c0df37
1 changed files with 25 additions and 45 deletions
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70
include/chaiscript/dispatchkit/proxy_constructors.hpp
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@ -4,21 +4,36 @@
// and Jason Turner (jason@emptycrate.com) // and Jason Turner (jason@emptycrate.com)
// http://www.chaiscript.com // http://www.chaiscript.com
#include <boost/preprocessor.hpp>
#ifndef BOOST_PP_IS_ITERATING
#ifndef CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_ #ifndef CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_
#define CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_ #define CHAISCRIPT_PROXY_CONSTRUCTORS_HPP_
#define BOOST_PP_ITERATION_LIMITS ( 0, 10 )
#define BOOST_PP_FILENAME_1 <chaiscript/dispatchkit/proxy_constructors.hpp>
#include BOOST_PP_ITERATE()
# endif
namespace chaiscript namespace chaiscript
{ {
namespace dispatch
{
namespace detail
{
/**
* A constructor function, used for creating a new object
* of a given type with a given set of params
*/
template<typename Class, typename ... Params>
std::shared_ptr<Class> constructor_(Params ... params)
{
return std::shared_ptr<Class>(new Class(params...));
}
template<typename Class, typename ... Params >
Proxy_Function build_constructor_(Class (*)(Params...))
{
typedef std::shared_ptr<Class> (sig)(Params...);
return Proxy_Function(new Proxy_Function_Impl<sig>(std::function<sig>(&(constructor_<Class, Params...>))));
}
}
}
/// \brief Generates a constructor function for use with ChaiScript /// \brief Generates a constructor function for use with ChaiScript
/// ///
/// \tparam T The signature of the constructor to generate. In the form of: ClassType (ParamType1, ParamType2, ...) /// \tparam T The signature of the constructor to generate. In the form of: ClassType (ParamType1, ParamType2, ...)
@ -36,43 +51,8 @@ namespace chaiscript
T *f = 0; T *f = 0;
return (dispatch::detail::build_constructor_(f)); return (dispatch::detail::build_constructor_(f));
} }
} }
#else
# define n BOOST_PP_ITERATION()
namespace chaiscript
{
namespace dispatch
{
namespace detail
{
/**
* A constructor function, used for creating a new object
* of a given type with a given set of params
*/
template<typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
std::shared_ptr<Class> constructor_( BOOST_PP_ENUM_BINARY_PARAMS(n, Param, p) )
{
return std::shared_ptr<Class>(new Class( BOOST_PP_ENUM_PARAMS(n, p) ));
}
/**
* Helper function for build a constructor function
* example:
* dispatchengine.register_function(build_constructor<MyClass, int, const std::string&>, "MyClass");
* \todo See if it is possible to make this not be a variadic function
*/
template<typename Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
Proxy_Function build_constructor_(Class (*)(BOOST_PP_ENUM_PARAMS(n, Param)))
{
typedef std::shared_ptr<Class> (sig)(BOOST_PP_ENUM_PARAMS(n, Param));
return Proxy_Function(new Proxy_Function_Impl<sig>(std::function<sig>(&(constructor_<Class BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, Param)>))));
}
}
}
}
#undef n
#endif #endif