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Added iterators to ImmutableSet.

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llvm-svn: 42851
This commit is contained in:
Ted Kremenek 2007-10-11 00:14:49 +00:00
parent 7ebd4a09c9
commit 6781a1791a
1 changed files with 24 additions and 3 deletions
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27
include/llvm/ADT/ImmutableSet.h
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@ -633,8 +633,8 @@ public:
inline bool operator!=(const _Self& x) const { return !operator==(x); }
inline TreeTy* operator*() { return *InternalItr; }
inline TreeTy* operator->() { return *InternalItr; }
inline TreeTy* operator*() const { return *InternalItr; }
inline TreeTy* operator->() const { return *InternalItr; }
inline _Self& operator++() {
do ++InternalItr;
@ -821,7 +821,7 @@ public:
void operator=(const Factory& RHS) {};
};
friend class Factory;
friend class Factory;
/// contains - Returns true if the set contains the specified value.
bool contains(const value_type_ref V) const {
@ -844,6 +844,27 @@ public:
template <typename Callback>
void foreach() { if (Root) { Callback C; Root->foreach(C); } }
//===--------------------------------------------------===//
// Iterators.
//===--------------------------------------------------===//
class iterator {
typename TreeTy::iterator itr;
iterator() {}
iterator(TreeTy* t) : itr(t) {}
friend class ImmutableSet<ValT,ValInfo>;
public:
inline value_type_ref operator*() const { return itr->getValue(); }
inline iterator& operator++() { ++itr; return *this; }
inline iterator& operator--() { --itr; return *this; }
inline bool operator==(const iterator& RHS) const { return RHS.itr == itr; }
inline bool operator!=(const iterator& RHS) const { return RHS.itr != itr; }
};
iterator begin() const { return iterator(Root); }
iterator end() const { return iterator(); }
//===--------------------------------------------------===//
// For testing.