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Add support for automatic conversion between chaiscript functions and boost::function. Might merit some look to see how much overhead this adds.

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This commit is contained in:
Jason Turner
2010-09-13 14:24:12 +00:00
parent cfa42158af
commit 10986c159f
6 changed files with 143 additions and 28 deletions
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62
include/chaiscript/dispatchkit/function_call.hpp
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@@ -15,6 +15,9 @@
#include "proxy_functions.hpp"
#include "function_call_detail.hpp"
#include <iostream>
namespace chaiscript
{
/**
@@ -66,6 +69,65 @@ namespace chaiscript
return functor<FunctionType>(boxed_cast<Const_Proxy_Function >(bv));
}
namespace detail{
/**
* Cast helper to handle automatic casting to const boost::function &
*/
template<typename Signature>
struct Cast_Helper<const boost::function<Signature> &>
{
typedef boost::function<Signature> Result_Type;
static Result_Type cast(const Boxed_Value &ob)
{
if (ob.get_type_info().bare_equal(user_type<Const_Proxy_Function>()))
{
return functor<Signature>(ob);
} else {
return Cast_Helper_Inner<const boost::function<Signature> &>::cast(ob);
}
}
};
/**
* Cast helper to handle automatic casting to boost::function
*/
template<typename Signature>
struct Cast_Helper<boost::function<Signature> >
{
typedef boost::function<Signature> Result_Type;
static Result_Type cast(const Boxed_Value &ob)
{
if (ob.get_type_info().bare_equal(user_type<Const_Proxy_Function>()))
{
return functor<Signature>(ob);
} else {
return Cast_Helper_Inner<boost::function<Signature> >::cast(ob);
}
}
};
/**
* Cast helper to handle automatic casting to const boost::function
*/
template<typename Signature>
struct Cast_Helper<const boost::function<Signature> >
{
typedef boost::function<Signature> Result_Type;
static Result_Type cast(const Boxed_Value &ob)
{
if (ob.get_type_info().bare_equal(user_type<Const_Proxy_Function>()))
{
return functor<Signature>(ob);
} else {
return Cast_Helper_Inner<const boost::function<Signature> >::cast(ob);
}
}
};
}
}
#endif