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Add several more unimplemented operator overloads to ilist_iterator 

to help catch errors.

llvm-svn: 61622
This commit is contained in:
Dan Gohman 2009-01-04 03:22:42 +00:00
parent 762e162284
commit a0979b24d3
1 changed files with 16 additions and 4 deletions
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20
llvm/include/llvm/ADT/ilist.h
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@ -107,15 +107,27 @@ public:
typedef ilist_traits<NodeTy> Traits; typedef ilist_traits<NodeTy> Traits;
typedef bidirectional_iterator<NodeTy, ptrdiff_t> super; typedef bidirectional_iterator<NodeTy, ptrdiff_t> super;
typedef size_t size_type; typedef typename super::value_type value_type;
typedef typename super::difference_type difference_type;
typedef typename super::pointer pointer; typedef typename super::pointer pointer;
typedef typename super::reference reference; typedef typename super::reference reference;
private: private:
pointer NodePtr; pointer NodePtr;
// operator[] is not defined. Compile error instead of having a runtime bug. // ilist_iterator is not a random-access iterator, but it has an
void operator[](unsigned) {} // implicit conversion to pointer-type, which is. Declare (but
void operator[](unsigned) const {} // don't define) these functions as private to help catch
// accidental misuse.
void operator[](difference_type) const;
void operator+(difference_type) const;
void operator-(difference_type) const;
void operator+=(difference_type) const;
void operator-=(difference_type) const;
template<class T> void operator<(T) const;
template<class T> void operator<=(T) const;
template<class T> void operator>(T) const;
template<class T> void operator>=(T) const;
template<class T> void operator-(T) const;
public: public:
ilist_iterator(pointer NP) : NodePtr(NP) {} ilist_iterator(pointer NP) : NodePtr(NP) {}