This commit is contained in:
Jason Turner
2011-03-14 09:12:01 -06:00
12 changed files with 78 additions and 39 deletions

View File

@@ -21,7 +21,7 @@ namespace chaiscript
{
public:
bad_boxed_dynamic_cast(const Type_Info &t_from, const std::type_info &t_to,
const std::string &t_what)
const std::string &t_what) throw()
: bad_boxed_cast(t_from, t_to, t_what)
{
}
@@ -35,6 +35,8 @@ namespace chaiscript
: bad_boxed_cast(w)
{
}
virtual ~bad_boxed_dynamic_cast() throw() {}
};
}
@@ -74,17 +76,17 @@ namespace chaiscript
{
}
virtual Boxed_Value convert(const Boxed_Value &derived)
virtual Boxed_Value convert(const Boxed_Value &t_derived)
{
if (derived.get_type_info().bare_equal(user_type<Derived>()))
if (t_derived.get_type_info().bare_equal(user_type<Derived>()))
{
if (derived.is_pointer())
if (t_derived.is_pointer())
{
// Dynamic cast out the contained boxed value, which we know is the type we want
if (derived.is_const())
if (t_derived.is_const())
{
boost::shared_ptr<const Base> data
= boost::dynamic_pointer_cast<const Base>(detail::Cast_Helper<boost::shared_ptr<const Derived> >::cast(derived));
= boost::dynamic_pointer_cast<const Base>(detail::Cast_Helper<boost::shared_ptr<const Derived> >::cast(t_derived));
if (!data)
{
throw std::bad_cast();
@@ -93,7 +95,7 @@ namespace chaiscript
return Boxed_Value(data);
} else {
boost::shared_ptr<Base> data
= boost::dynamic_pointer_cast<Base>(detail::Cast_Helper<boost::shared_ptr<Derived> >::cast(derived));
= boost::dynamic_pointer_cast<Base>(detail::Cast_Helper<boost::shared_ptr<Derived> >::cast(t_derived));
if (!data)
{
@@ -104,19 +106,19 @@ namespace chaiscript
}
} else {
// Pull the reference out of the contained boxed value, which we know is the type we want
if (derived.is_const())
if (t_derived.is_const())
{
const Derived &d = detail::Cast_Helper<const Derived &>::cast(derived);
const Derived &d = detail::Cast_Helper<const Derived &>::cast(t_derived);
const Base &data = dynamic_cast<const Base &>(d);
return Boxed_Value(boost::cref(data));
} else {
Derived &d = detail::Cast_Helper<Derived &>::cast(derived);
Derived &d = detail::Cast_Helper<Derived &>::cast(t_derived);
Base &data = dynamic_cast<Base &>(d);
return Boxed_Value(boost::ref(data));
}
}
} else {
throw exception::bad_boxed_dynamic_cast(derived.get_type_info(), typeid(Base), "Unknown dynamic_cast_conversion");
throw exception::bad_boxed_dynamic_cast(t_derived.get_type_info(), typeid(Base), "Unknown dynamic_cast_conversion");
}
}
};