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Diffstat (limited to 'include/Support/MallocAllocator.h')
-rw-r--r-- | include/Support/MallocAllocator.h | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/include/Support/MallocAllocator.h b/include/Support/MallocAllocator.h deleted file mode 100644 index 3e3da41..0000000 --- a/include/Support/MallocAllocator.h +++ /dev/null @@ -1,85 +0,0 @@ -//===-- Support/MallocAllocator.h - Allocator using malloc/free -*- C++ -*-===// -// -// The LLVM Compiler Infrastructure -// -// This file was developed by the LLVM research group and is distributed under -// the University of Illinois Open Source License. See LICENSE.TXT for details. -// -//===----------------------------------------------------------------------===// -// -// This file defines MallocAllocator class, an STL compatible allocator which -// just uses malloc/free to get and release memory. The default allocator uses -// the STL pool allocator runtime library, this explicitly avoids it. -// -// This file is used for variety of purposes, including the pool allocator -// project and testing, regardless of whether or not it's used directly in the -// LLVM code, so don't delete this from CVS if you think it's unused! -// -//===----------------------------------------------------------------------===// - -#ifndef SUPPORT_MALLOCALLOCATOR_H -#define SUPPORT_MALLOCALLOCATOR_H - -#include <cstdlib> -#include <memory> - -namespace llvm { - -template<typename T> -struct MallocAllocator { - typedef size_t size_type; - typedef ptrdiff_t difference_type; - typedef T* pointer; - typedef const T* const_pointer; - typedef T& reference; - typedef const T& const_reference; - typedef T value_type; - template <class U> struct rebind { - typedef MallocAllocator<U> other; - }; - - template<typename R> - MallocAllocator(const MallocAllocator<R> &) {} - MallocAllocator() {} - - pointer address(reference x) const { return &x; } - const_pointer address(const_reference x) const { return &x; } - size_type max_size() const { return ~0 / sizeof(T); } - - static pointer allocate(size_t n, void* hint = 0) { - return static_cast<pointer>(malloc(n*sizeof(T))); - } - - static void deallocate(pointer p, size_t n) { - free(static_cast<void*>(p)); - } - - void construct(pointer p, const T &val) { - new(static_cast<void*>(p)) T(val); - } - void destroy(pointer p) { - p->~T(); - } -}; - -template<typename T> -inline bool operator==(const MallocAllocator<T> &, const MallocAllocator<T> &) { - return true; -} -template<typename T> -inline bool operator!=(const MallocAllocator<T>&, const MallocAllocator<T>&) { - return false; -} -} // End llvm namespace - -namespace std { - template<typename Type, typename Type2> - struct _Alloc_traits<Type, ::llvm::MallocAllocator<Type2> > { - static const bool _S_instanceless = true; - typedef ::llvm::MallocAllocator<Type> base_alloc_type; - typedef ::llvm::MallocAllocator<Type> _Alloc_type; - typedef ::llvm::MallocAllocator<Type> allocator_type; - }; -} - -#endif |