/// guarantees deletion of the object pointed to, either on destruction of the
/// OwningPtr or via an explicit reset(). Once created, ownership of the
/// pointee object can be taken away from OwningPtr by using the take method.
-template<class T>
+template<class T>
class OwningPtr {
OwningPtr(OwningPtr const &); // DO NOT IMPLEMENT
OwningPtr &operator=(OwningPtr const &); // DO NOT IMPLEMENT
/// reset - Change the current pointee to the specified pointer. Note that
/// calling this with any pointer (including a null pointer) deletes the
/// current pointer.
- void reset(T *P = 0) {
+ void reset(T *P = 0) {
if (P == Ptr) return;
T *Tmp = Ptr;
Ptr = P;
/// take - Reset the owning pointer to null and return its pointer. This does
/// not delete the pointer before returning it.
- T *take() {
+ T *take() {
T *Tmp = Ptr;
Ptr = 0;
return Tmp;
}
-
+
T &operator*() const {
assert(Ptr && "Cannot dereference null pointer");
return *Ptr;
/// OwningArrayPtr smart pointer - OwningArrayPtr provides the same
/// functionality as OwningPtr, except that it works for array types.
-template<class T>
+template<class T>
class OwningArrayPtr {
OwningArrayPtr(OwningArrayPtr const &); // DO NOT IMPLEMENT
OwningArrayPtr &operator=(OwningArrayPtr const &); // DO NOT IMPLEMENT
/// reset - Change the current pointee to the specified pointer. Note that
/// calling this with any pointer (including a null pointer) deletes the
/// current pointer.
- void reset(T *P = 0) {
+ void reset(T *P = 0) {
if (P == Ptr) return;
T *Tmp = Ptr;
Ptr = P;
/// take - Reset the owning pointer to null and return its pointer. This does
/// not delete the pointer before returning it.
- T *take() {
+ T *take() {
T *Tmp = Ptr;
Ptr = 0;
return Tmp;
}
-
+
T &operator[](std::ptrdiff_t i) const {
assert(Ptr && "Cannot dereference null pointer");
return Ptr[i];
}
-
+
T *get() const { return Ptr; }
operator bool() const { return Ptr != 0; }
bool operator!() const { return Ptr == 0; }