generic-library/ChaiScript
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One more file with boost_pp removed

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This commit is contained in:
Jason Turner
2011-09-13 12:26:20 -06:00
parent f996c0df37
commit 64382a2399
1 changed files with 25 additions and 43 deletions
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74
include/chaiscript/dispatchkit/function_call_detail.hpp
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@@ -4,13 +4,6 @@
// and Jason Turner (jason@emptycrate.com)
// http://www.chaiscript.com
#include <boost/preprocessor.hpp>
#define addparam(z,n,text) params.push_back((std::is_reference<Param ## n>::value&&!(std::is_same<chaiscript::Boxed_Value, typename std::remove_const<typename std::remove_reference<Param ## n>::type>::type>::value))?Boxed_Value(std::ref(BOOST_PP_CAT(p, n))):Boxed_Value(BOOST_PP_CAT(p, n) ));
#define curry(z,n,text) BOOST_PP_CAT(std::placeholders::_, BOOST_PP_INC(n))
#ifndef BOOST_PP_IS_ITERATING
#ifndef CHAISCRIPT_FUNCTION_CALL_DETAIL_HPP_
#define CHAISCRIPT_FUNCTION_CALL_DETAIL_HPP_
@@ -51,49 +44,40 @@ namespace chaiscript
dispatch::dispatch(t_funcs, params);
}
};
}
}
}
#define BOOST_PP_ITERATION_LIMITS ( 0, 9 )
#define BOOST_PP_FILENAME_1 <chaiscript/dispatchkit/function_call_detail.hpp>
#include BOOST_PP_ITERATE()
# endif
#else
# define n BOOST_PP_ITERATION()
namespace chaiscript
{
namespace dispatch
{
namespace detail
{
/**
* used internally for unwrapping a function call's types
*/
template<typename Ret BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
Ret function_caller(const std::vector<Const_Proxy_Function> &funcs
BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_BINARY_PARAMS(n, Param, p) )
{
std::vector<Boxed_Value> params;
BOOST_PP_REPEAT(n, addparam, ~)
return Function_Caller_Ret<Ret>::call(funcs, params);
}
/**
* used internally for unwrapping a function call's types
*/
template<typename Ret BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param) >
std::function<Ret (BOOST_PP_ENUM_PARAMS(n, Param)) >
build_function_caller_helper(Ret (BOOST_PP_ENUM_PARAMS(n, Param)), const std::vector<Const_Proxy_Function> &funcs)
template<typename Ret, typename ... Param>
struct Build_Function_Caller_Helper
{
Build_Function_Caller_Helper(const std::vector<Const_Proxy_Function> &t_funcs)
: m_funcs(t_funcs)
{
}
Ret operator()(Param...param)
{
return Function_Caller_Ret<Ret>::call(m_funcs, {
(std::is_reference<Param>::value&&!(std::is_same<chaiscript::Boxed_Value, typename std::remove_const<typename std::remove_reference<Param>::type>::type>::value))?Boxed_Value(std::ref(param)):Boxed_Value(param)...
}
);
}
std::vector<Const_Proxy_Function> m_funcs;
};
template<typename Ret, typename ... Params>
std::function<Ret (Params...)> build_function_caller_helper(Ret (Params...), const std::vector<Const_Proxy_Function> &funcs)
{
if (funcs.size() == 1)
{
std::shared_ptr<const Proxy_Function_Impl<Ret (BOOST_PP_ENUM_PARAMS(n, Param))> > pfi =
std::dynamic_pointer_cast<const Proxy_Function_Impl<Ret (BOOST_PP_ENUM_PARAMS(n, Param))> >
std::shared_ptr<const Proxy_Function_Impl<Ret (Params...)>> pfi =
std::dynamic_pointer_cast<const Proxy_Function_Impl<Ret (Params...)> >
(funcs[0]);
if (pfi)
@@ -104,13 +88,11 @@ namespace chaiscript
// we cannot make any other guesses or assumptions really, so continuing
}
return std::bind(&function_caller<Ret BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, Param)>, funcs
BOOST_PP_ENUM_TRAILING(n, curry, ~));
return std::function<Ret (Params...)>(Build_Function_Caller_Helper<Ret, Params...>(funcs));
}
}
}
}
#undef n
#endif