generic-library/ChaiScript
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Decrease compile times by 30% and runtimes by 10% by eliminating use of boost::bind during function dispatch

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This commit is contained in:
Jason Turner
2009-09-10 03:44:42 +00:00
parent f23f0edc70
commit f369afed77
5 changed files with 92 additions and 67 deletions
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54
include/chaiscript/dispatchkit/proxy_functions_detail.hpp
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@@ -7,11 +7,9 @@
#include <boost/preprocessor.hpp>
#define gettypeinfo(z,n,text) ti.push_back(detail::Get_Type_Info<Param ## n>::get());
#define casthelper(z,n,text) ,chaiscript::boxed_cast< Param ## n >(params[n])
#define comparetype(z,n,text) && ((detail::Get_Type_Info<Param ## n>::get() == params[n].get_type_info()))
#define casthelper(z,n,text) BOOST_PP_COMMA_IF(n) chaiscript::boxed_cast< Param ## n >(params[n])
#define trycast(z,n,text) chaiscript::boxed_cast<Param ## n>(params[n]);
#ifndef BOOST_PP_IS_ITERATING
#ifndef __proxy_functions_detail_hpp__
#define __proxy_functions_detail_hpp__
@@ -45,6 +43,27 @@ namespace chaiscript
int got;
int expected;
};
template<typename Ret>
struct Do_Call
{
template<typename Fun>
static Boxed_Value go(const boost::function<Fun> &fun, const std::vector<Boxed_Value> &params)
{
return Handle_Return<Ret>::handle(call_func(fun, params, false));
}
};
template<>
struct Do_Call<void>
{
template<typename Fun>
static Boxed_Value go(const boost::function<Fun> &fun, const std::vector<Boxed_Value> &params)
{
call_func(fun, params, false);
return Handle_Return<void>::handle();
};
};
}
#define BOOST_PP_ITERATION_LIMITS ( 0, 10 )
@@ -68,7 +87,7 @@ namespace chaiscript
std::vector<Type_Info> ti;
ti.push_back(detail::Get_Type_Info<Ret>::get());
BOOST_PP_REPEAT(n, gettypeinfo, ~)
BOOST_PP_REPEAT(n, gettypeinfo, ~)
return ti;
}
@@ -80,14 +99,14 @@ namespace chaiscript
* the bad_boxed_cast is passed up to the caller.
*/
template<typename Ret BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param)>
Boxed_Value call_func(const boost::function<Ret (BOOST_PP_ENUM_PARAMS(n, Param))> &f,
const std::vector<Boxed_Value> &params)
Ret call_func(const boost::function<Ret (BOOST_PP_ENUM_PARAMS(n, Param))> &f,
const std::vector<Boxed_Value> &params, bool t_test)
{
if (params.size() != n)
{
throw arity_error(params.size(), n);
} else {
return Handle_Return<Ret>::call(boost::bind(f BOOST_PP_REPEAT(n, casthelper, ~)));
return f(BOOST_PP_REPEAT(n, casthelper, ~));
}
}
@@ -97,25 +116,18 @@ namespace chaiscript
* registration of two functions with the exact same signatures
*/
template<typename Ret BOOST_PP_COMMA_IF(n) BOOST_PP_ENUM_PARAMS(n, typename Param)>
bool compare_types(Ret (*)(BOOST_PP_ENUM_PARAMS(n, Param)),
bool compare_types_cast(Ret (*)(BOOST_PP_ENUM_PARAMS(n, Param)),
const std::vector<Boxed_Value> &params)
{
if (params.size() != n)
{
try {
BOOST_PP_REPEAT(n, trycast, ~);
} catch (const bad_boxed_cast &) {
return false;
} else {
bool val = true BOOST_PP_REPEAT(n, comparetype, ~);
if (val) return true;
try {
BOOST_PP_REPEAT(n, trycast, ~);
} catch (const bad_boxed_cast &) {
return false;
}
return true;
}
return true;
}
}
#endif