#include <cassert>
#include <cstring>
-#include "llvm/Support/DataTypes.h"
+#include <iterator>
+#include "llvm/System/DataTypes.h"
+#include "llvm/Support/PointerLikeTypeTraits.h"
namespace llvm {
-
-/// PointerLikeTypeInfo - This is a traits object that is used to handle pointer
-/// types and things that are just wrappers for pointers as a uniform entity.
-template <typename T>
-class PointerLikeTypeInfo {
- //getAsVoidPointer/getFromVoidPointer
-};
-
-// Provide PointerLikeTypeInfo for all pointers.
-template<typename T>
-class PointerLikeTypeInfo<T*> {
-public:
- static inline void *getAsVoidPointer(T* P) { return P; }
- static inline T *getFromVoidPointer(void *P) {
- return static_cast<T*>(P);
- }
-};
-template<typename T>
-class PointerLikeTypeInfo<const T*> {
-public:
- static inline const void *getAsVoidPointer(const T* P) { return P; }
- static inline const T *getFromVoidPointer(const void *P) {
- return static_cast<const T*>(P);
- }
-};
class SmallPtrSetIteratorImpl;
/// SmallPtrSetIterator - This implements a const_iterator for SmallPtrSet.
template<typename PtrTy>
class SmallPtrSetIterator : public SmallPtrSetIteratorImpl {
- typedef PointerLikeTypeInfo<PtrTy> PtrTraits;
+ typedef PointerLikeTypeTraits<PtrTy> PtrTraits;
+
public:
+ typedef PtrTy value_type;
+ typedef PtrTy reference;
+ typedef PtrTy pointer;
+ typedef std::ptrdiff_t difference_type;
+ typedef std::forward_iterator_tag iterator_category;
+
explicit SmallPtrSetIterator(const void *const *BP)
: SmallPtrSetIteratorImpl(BP) {}
// Make sure that SmallSize is a power of two, round up if not.
enum { SmallSizePowTwo = NextPowerOfTwo<SmallSize>::Val };
void *SmallArray[SmallSizePowTwo];
- typedef PointerLikeTypeInfo<PtrType> PtrTraits;
+ typedef PointerLikeTypeTraits<PtrType> PtrTraits;
public:
SmallPtrSet() : SmallPtrSetImpl(NextPowerOfTwo<SmallSizePowTwo>::Val) {}
SmallPtrSet(const SmallPtrSet &that) : SmallPtrSetImpl(that) {}