gecko/xpcom/ds/nsCppSharedAllocator.h
Ehsan Akhgari 8c296bbcd4 Bug 579517 - Part 1: Automated conversion of NSPR numeric types to stdint types in Gecko; r=bsmedberg
This patch was generated by a script.  Here's the source of the script for
future reference:

function convert() {
echo "Converting $1 to $2..."
find . ! -wholename "*nsprpub*" \
       ! -wholename "*security/nss*" \
       ! -wholename "*/.hg*" \
       ! -wholename "obj-ff-dbg*" \
       ! -name nsXPCOMCID.h \
       ! -name prtypes.h \
         -type f \
      \( -iname "*.cpp" \
         -o -iname "*.h" \
         -o -iname "*.c" \
         -o -iname "*.cc" \
         -o -iname "*.idl" \
         -o -iname "*.ipdl" \
         -o -iname "*.ipdlh" \
         -o -iname "*.mm" \) | \
    xargs -n 1 sed -i -e "s/\b$1\b/$2/g"
}

convert PRInt8 int8_t
convert PRUint8 uint8_t
convert PRInt16 int16_t
convert PRUint16 uint16_t
convert PRInt32 int32_t
convert PRUint32 uint32_t
convert PRInt64 int64_t
convert PRUint64 uint64_t

convert PRIntn int
convert PRUintn unsigned

convert PRSize size_t

convert PROffset32 int32_t
convert PROffset64 int64_t

convert PRPtrdiff ptrdiff_t

convert PRFloat64 double
2012-08-22 11:56:38 -04:00

105 lines
2.1 KiB
C++

/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef nsCppSharedAllocator_h__
#define nsCppSharedAllocator_h__
#include "nsMemory.h" // for |nsMemory|
#include NEW_H // to allow placement |new|
// under MSVC shut off copious warnings about unused in-lines
#ifdef _MSC_VER
#pragma warning( disable: 4514 )
#endif
#include <limits.h>
template <class T>
class nsCppSharedAllocator
/*
...allows Standard Library containers, et al, to use our global shared
(XP)COM-aware allocator.
*/
{
public:
typedef T value_type;
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;
nsCppSharedAllocator() { }
~nsCppSharedAllocator() { }
pointer
address( reference r ) const
{
return &r;
}
const_pointer
address( const_reference r ) const
{
return &r;
}
pointer
allocate( size_type n, const void* /*hint*/=0 )
{
return reinterpret_cast<pointer>(nsMemory::Alloc(static_cast<uint32_t>(n*sizeof(T))));
}
void
deallocate( pointer p, size_type /*n*/ )
{
nsMemory::Free(p);
}
void
construct( pointer p, const T& val )
{
new (p) T(val);
}
void
destroy( pointer p )
{
p->~T();
}
size_type
max_size() const
{
return ULONG_MAX / sizeof(T);
}
};
template <class T>
bool
operator==( const nsCppSharedAllocator<T>&, const nsCppSharedAllocator<T>& )
{
return true;
}
template <class T>
bool
operator!=( const nsCppSharedAllocator<T>&, const nsCppSharedAllocator<T>& )
{
return false;
}
#endif /* !defined(nsCppSharedAllocator_h__) */