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fix this to work with allocators that have reference type with compilers 

that diagnose invalid references to references.

llvm-svn: 113078
This commit is contained in:
Chris Lattner 2010-09-04 18:45:02 +00:00
parent 0963048185
commit f20ca8028d
1 changed files with 7 additions and 3 deletions
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10
llvm/include/llvm/ADT/StringMap.h
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@ -242,6 +242,9 @@ public:
}; };
template <typename T> struct ReferenceAdder { typedef T& result; };
template <typename T> struct ReferenceAdder<T&> { typedef T result; };
/// StringMap - This is an unconventional map that is specialized for handling /// StringMap - This is an unconventional map that is specialized for handling
/// keys that are "strings", which are basically ranges of bytes. This does some /// keys that are "strings", which are basically ranges of bytes. This does some
/// funky memory allocation and hashing things to make it extremely efficient, /// funky memory allocation and hashing things to make it extremely efficient,
@ -269,9 +272,10 @@ public:
clear(); clear();
} }
typedef typename ReferenceAdder<AllocatorTy>::result AllocatorRefTy;
AllocatorTy &getAllocator() { return Allocator; } typedef typename ReferenceAdder<const AllocatorTy>::result AllocatorCRefTy;
const AllocatorTy &getAllocator() const { return Allocator; } AllocatorRefTy getAllocator() { return Allocator; }
AllocatorCRefTy getAllocator() const { return Allocator; }
typedef const char* key_type; typedef const char* key_type;
typedef ValueTy mapped_type; typedef ValueTy mapped_type;