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Fixes for type_conversion handling

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This commit is contained in:
Jason Turner
2016-02-16 08:29:01 -07:00
parent ed65ad72d0
commit e024b99b36
13 changed files with 216 additions and 145 deletions
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10
include/chaiscript/dispatchkit/boxed_cast.hpp
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@@ -69,9 +69,9 @@ namespace chaiscript
/// assert(i == 5);
/// \endcode
template<typename Type>
typename detail::Cast_Helper<Type>::Result_Type boxed_cast(const Boxed_Value &bv, const Type_Conversions *t_conversions = nullptr)
typename detail::Cast_Helper<Type>::Result_Type boxed_cast(const Boxed_Value &bv, const Type_Conversions_State *t_conversions = nullptr)
{
if (!t_conversions || bv.get_type_info().bare_equal(user_type<Type>()) || (t_conversions && !t_conversions->convertable_type<Type>())) {
if (!t_conversions || bv.get_type_info().bare_equal(user_type<Type>()) || (t_conversions && !(*t_conversions)->convertable_type<Type>())) {
try {
return detail::Cast_Helper<Type>::cast(bv, t_conversions);
} catch (const chaiscript::detail::exception::bad_any_cast &) {
@@ -79,18 +79,18 @@ namespace chaiscript
}
if (t_conversions && t_conversions->convertable_type<Type>())
if (t_conversions && (*t_conversions)->convertable_type<Type>())
{
try {
// std::cout << "trying an up conversion " << typeid(Type).name() << '\n';
// We will not catch any bad_boxed_dynamic_cast that is thrown, let the user get it
// either way, we are not responsible if it doesn't work
return detail::Cast_Helper<Type>::cast(t_conversions->boxed_type_conversion<Type>(bv), t_conversions);
return detail::Cast_Helper<Type>::cast((*t_conversions)->boxed_type_conversion<Type>(t_conversions->saves(), bv), t_conversions);
} catch (...) {
try {
// std::cout << "trying a down conversion " << typeid(Type).name() << '\n';
// try going the other way - down the inheritance graph
return detail::Cast_Helper<Type>::cast(t_conversions->boxed_type_down_conversion<Type>(bv), t_conversions);
return detail::Cast_Helper<Type>::cast((*t_conversions)->boxed_type_down_conversion<Type>(t_conversions->saves(), bv), t_conversions);
} catch (const chaiscript::detail::exception::bad_any_cast &) {
throw exception::bad_boxed_cast(bv.get_type_info(), typeid(Type));
}