};
template<typename From> struct simplify_type<const From> {
- typedef const From SimpleType;
- static SimpleType &getSimplifiedValue(const From &Val) {
- return simplify_type<From>::getSimplifiedValue(static_cast<From&>(Val));
+ typedef typename simplify_type<From>::SimpleType NonConstSimpleType;
+ typedef typename add_const_past_pointer<NonConstSimpleType>::type
+ SimpleType;
+ typedef typename add_lvalue_reference_if_not_pointer<SimpleType>::type
+ RetType;
+ static RetType getSimplifiedValue(const From& Val) {
+ return simplify_type<From>::getSimplifiedValue(const_cast<From&>(Val));
}
};
}
};
+template <typename To, typename From> struct isa_impl_cl<To, From*const> {
+ static inline bool doit(const From *Val) {
+ assert(Val && "isa<> used on a null pointer");
+ return isa_impl<To, From>::doit(*Val);
+ }
+};
+
template <typename To, typename From> struct isa_impl_cl<To, const From*> {
static inline bool doit(const From *Val) {
assert(Val && "isa<> used on a null pointer");
static bool doit(const From &Val) {
return isa_impl_wrap<To, SimpleFrom,
typename simplify_type<SimpleFrom>::SimpleType>::doit(
- simplify_type<From>::getSimplifiedValue(Val));
+ simplify_type<const From>::getSimplifiedValue(Val));
}
};
//
template <class X, class Y>
inline bool isa(const Y &Val) {
- return isa_impl_wrap<X, Y, typename simplify_type<Y>::SimpleType>::doit(Val);
+ return isa_impl_wrap<X, const Y,
+ typename simplify_type<const Y>::SimpleType>::doit(Val);
}
//===----------------------------------------------------------------------===//
//
template<class To, class From, class SimpleFrom> struct cast_convert_val {
// This is not a simple type, use the template to simplify it...
- static typename cast_retty<To, From>::ret_type doit(const From &Val) {
+ static typename cast_retty<To, From>::ret_type doit(From &Val) {
return cast_convert_val<To, SimpleFrom,
typename simplify_type<SimpleFrom>::SimpleType>::doit(
simplify_type<From>::getSimplifiedValue(Val));
// cast<Instruction>(myVal)->getParent()
//
template <class X, class Y>
-inline typename enable_if_c<
- !is_same<Y, typename simplify_type<Y>::SimpleType>::value,
- typename cast_retty<X, Y>::ret_type
->::type cast(const Y &Val) {
+inline typename cast_retty<X, const Y>::ret_type cast(const Y &Val) {
assert(isa<X>(Val) && "cast<Ty>() argument of incompatible type!");
- return cast_convert_val<X, Y,
- typename simplify_type<Y>::SimpleType>::doit(Val);
+ return cast_convert_val<X, const Y,
+ typename simplify_type<const Y>::SimpleType>::doit(Val);
}
template <class X, class Y>
-inline typename enable_if<
- is_same<Y, typename simplify_type<Y>::SimpleType>,
- typename cast_retty<X, Y>::ret_type
->::type cast(Y &Val) {
+inline typename cast_retty<X, Y>::ret_type cast(Y &Val) {
assert(isa<X>(Val) && "cast<Ty>() argument of incompatible type!");
return cast_convert_val<X, Y,
typename simplify_type<Y>::SimpleType>::doit(Val);
//
template <class X, class Y>
-inline typename enable_if_c<
- !is_same<Y, typename simplify_type<Y>::SimpleType>::value,
- typename cast_retty<X, Y>::ret_type
->::type dyn_cast(const Y &Val) {
+inline typename cast_retty<X, const Y>::ret_type dyn_cast(const Y &Val) {
return isa<X>(Val) ? cast<X>(Val) : 0;
}
template <class X, class Y>
-inline typename enable_if<
- is_same<Y, typename simplify_type<Y>::SimpleType>,
- typename cast_retty<X, Y>::ret_type
->::type dyn_cast(Y &Val) {
+inline typename cast_retty<X, Y>::ret_type dyn_cast(Y &Val) {
return isa<X>(Val) ? cast<X>(Val) : 0;
}