1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/epoc32/include/stdapis/stlportv5/stl/_alloc.h Wed Mar 31 12:27:01 2010 +0100
1.3 @@ -0,0 +1,543 @@
1.4 +/*
1.5 + *
1.6 + * Copyright (c) 1996,1997
1.7 + * Silicon Graphics Computer Systems, Inc.
1.8 + *
1.9 + * Copyright (c) 1997
1.10 + * Moscow Center for SPARC Technology
1.11 + *
1.12 + * Copyright (c) 1999
1.13 + * Boris Fomitchev
1.14 + *
1.15 + * This material is provided "as is", with absolutely no warranty expressed
1.16 + * or implied. Any use is at your own risk.
1.17 + *
1.18 + * Permission to use or copy this software for any purpose is hereby granted
1.19 + * without fee, provided the above notices are retained on all copies.
1.20 + * Permission to modify the code and to distribute modified code is granted,
1.21 + * provided the above notices are retained, and a notice that the code was
1.22 + * modified is included with the above copyright notice.
1.23 + *
1.24 + */
1.25 +
1.26 +/* NOTE: This is an internal header file, included by other STL headers.
1.27 + * You should not attempt to use it directly.
1.28 + */
1.29 +
1.30 +#ifndef _STLP_INTERNAL_ALLOC_H
1.31 +#define _STLP_INTERNAL_ALLOC_H
1.32 +
1.33 +# ifndef _STLP_CSTDDEF
1.34 +# include <cstddef>
1.35 +# endif
1.36 +
1.37 +#if !defined (_STLP_DEBUG_H) && (defined (_STLP_DEBUG) || defined (_STLP_ASSERTIONS))
1.38 +# include <stl/debug/_debug.h>
1.39 +#endif
1.40 +
1.41 +# ifndef _STLP_CSTDLIB
1.42 +# include <cstdlib>
1.43 +# endif
1.44 +# ifndef _STLP_CSTRING
1.45 +# include <cstring>
1.46 +# endif
1.47 +
1.48 +# ifndef __THROW_BAD_ALLOC
1.49 +# if !defined(_STLP_USE_EXCEPTIONS)
1.50 +# if !defined (_STLP_CSTDIO)
1.51 +# include <cstdio>
1.52 +# endif
1.53 +# if !defined (_STLP_CSTDLIB)
1.54 +# include <cstdlib>
1.55 +# endif
1.56 +# define __THROW_BAD_ALLOC puts("out of memory\n"); exit(1)
1.57 +# else /* !defined(_STLP_USE_EXCEPTIONS) */
1.58 +# define __THROW_BAD_ALLOC throw _STLP_STD::bad_alloc()
1.59 +# endif /* !defined(_STLP_USE_EXCEPTIONS) */
1.60 +# endif /* __THROW_BAD_ALLOC */
1.61 +
1.62 +# ifndef _STLP_INTERNAL_NEW_HEADER
1.63 +# include <stl/_new.h>
1.64 +# endif
1.65 +
1.66 +// #if ! defined (__SYMBIAN32__)
1.67 +#if /* defined (_STLP_THREADS) && */ ! defined (_STLP_INTERNAL_THREADS_H)
1.68 +# include <stl/_threads.h>
1.69 +// #endif
1.70 +#endif
1.71 +
1.72 +#ifndef _STLP_INTERNAL_CONSTRUCT_H
1.73 +# include <stl/_construct.h>
1.74 +#endif
1.75 +
1.76 +#ifndef __ALLOC
1.77 +# define __ALLOC __sgi_alloc
1.78 +#endif
1.79 +
1.80 +# ifndef __RESTRICT
1.81 +# define __RESTRICT
1.82 +# endif
1.83 +
1.84 +#if defined (_STLP_THREADS) || (defined(_STLP_OWN_IOSTREAMS) && ! defined (_STLP_NO_THREADS) && ! defined (_NOTHREADS) )
1.85 +# define _STLP_NODE_ALLOCATOR_THREADS true
1.86 +#else
1.87 +# define _STLP_NODE_ALLOCATOR_THREADS false
1.88 +#endif
1.89 +
1.90 +_STLP_BEGIN_NAMESPACE
1.91 +
1.92 +# if defined (_STLP_USE_RAW_SGI_ALLOCATORS)
1.93 +template <class _Tp, class _Alloc> struct __allocator;
1.94 +# endif
1.95 +
1.96 +#ifndef _STLP_NO_NODE_ALLOC
1.97 +
1.98 +// Malloc-based allocator. Typically slower than default alloc below.
1.99 +// Typically thread-safe and more storage efficient.
1.100 +
1.101 +typedef void (* __oom_handler_type)();
1.102 +
1.103 +template <int __inst>
1.104 +class __malloc_alloc {
1.105 +private:
1.106 + static void* _STLP_CALL _S_oom_malloc(size_t);
1.107 + static __oom_handler_type __oom_handler;
1.108 +public:
1.109 + // this one is needed for proper simple_alloc wrapping
1.110 + typedef char value_type;
1.111 +# if defined (_STLP_MEMBER_TEMPLATE_CLASSES) && defined (_STLP_USE_RAW_SGI_ALLOCATORS)
1.112 + template <class _Tp1> struct rebind {
1.113 + typedef __allocator<_Tp1, __malloc_alloc<__inst> > other;
1.114 + };
1.115 +# endif
1.116 + static void* _STLP_CALL allocate(size_t __n) {
1.117 + void* __result = malloc(__n);
1.118 + if (0 == __result) __result = _S_oom_malloc(__n);
1.119 + return __result;
1.120 + }
1.121 + static void _STLP_CALL deallocate(void* __p, size_t /* __n */) { free((char*)__p); }
1.122 + static __oom_handler_type _STLP_CALL set_malloc_handler(__oom_handler_type __f) {
1.123 + __oom_handler_type __old = __oom_handler;
1.124 + __oom_handler = __f;
1.125 + return(__old);
1.126 + }
1.127 +};
1.128 +
1.129 +# endif
1.130 +
1.131 +// New-based allocator. Typically slower than default alloc below.
1.132 +// Typically thread-safe and more storage efficient.
1.133 +class _STLP_CLASS_DECLSPEC __new_alloc {
1.134 +public:
1.135 + // this one is needed for proper simple_alloc wrapping
1.136 + typedef char value_type;
1.137 +# if defined (_STLP_MEMBER_TEMPLATE_CLASSES) && defined(_STLP_USE_RAW_SGI_ALLOCATORS)
1.138 + template <class _Tp1> struct rebind {
1.139 + typedef __allocator<_Tp1, __new_alloc > other;
1.140 + };
1.141 +# endif
1.142 + static void* _STLP_CALL allocate(size_t __n) {
1.143 + return __stl_new(__n);
1.144 + }
1.145 + static void _STLP_CALL deallocate(void* __p, size_t) { __stl_delete(__p); }
1.146 +};
1.147 +
1.148 +
1.149 +// Allocator adaptor to check size arguments for debugging.
1.150 +// Reports errors using assert. Checking can be disabled with
1.151 +// NDEBUG, but it's far better to just use the underlying allocator
1.152 +// instead when no checking is desired.
1.153 +// There is some evidence that this can confuse Purify.
1.154 +// This adaptor can only be applied to raw allocators
1.155 +
1.156 +template <class _Alloc>
1.157 +class __debug_alloc : public _Alloc {
1.158 +public:
1.159 + typedef _Alloc __allocator_type;
1.160 + typedef typename _Alloc::value_type value_type;
1.161 +private:
1.162 + struct __alloc_header {
1.163 + size_t __magic: 16;
1.164 + size_t __type_size:16;
1.165 + _STLP_UINT32_T _M_size;
1.166 + }; // that is 8 bytes for sure
1.167 + // Sunpro CC has bug on enums, so extra_before/after set explicitly
1.168 + enum { __pad=8, __magic=0xdeba, __deleted_magic = 0xdebd,
1.169 + __shred_byte= _STLP_SHRED_BYTE
1.170 + };
1.171 +
1.172 + enum { __extra_before = 16, __extra_after = 8 };
1.173 + // Size of space used to store size. Note
1.174 + // that this must be large enough to preserve
1.175 + // alignment.
1.176 + static size_t _STLP_CALL __extra_before_chunk() {
1.177 + return (long)__extra_before/sizeof(value_type)+
1.178 + (size_t)((long)__extra_before%sizeof(value_type)>0);
1.179 + }
1.180 + static size_t _STLP_CALL __extra_after_chunk() {
1.181 + return (long)__extra_after/sizeof(value_type)+
1.182 + (size_t)((long)__extra_after%sizeof(value_type)>0);
1.183 + }
1.184 +public:
1.185 +# if defined (_STLP_MEMBER_TEMPLATE_CLASSES) && defined (_STLP_USE_RAW_SGI_ALLOCATORS)
1.186 + template <class _Tp1> struct rebind {
1.187 + typedef __allocator< _Tp1, __debug_alloc<_Alloc> > other;
1.188 + };
1.189 +# endif
1.190 + __debug_alloc() {}
1.191 + ~__debug_alloc() {}
1.192 + static void * _STLP_CALL allocate(size_t);
1.193 + static void _STLP_CALL deallocate(void *, size_t);
1.194 +};
1.195 +
1.196 +# if defined(__OS400__)
1.197 +enum {_ALIGN = 16, _ALIGN_SHIFT=4, _MAX_BYTES = 256};
1.198 +# define _STLP_NFREELISTS 16
1.199 +# else
1.200 +enum {_ALIGN = 8, _ALIGN_SHIFT=3, _MAX_BYTES = 128};
1.201 +# define _STLP_NFREELISTS 16
1.202 +# endif /* __OS400__ */
1.203 +
1.204 +#ifndef _STLP_NO_NODE_ALLOC
1.205 +
1.206 +// Default node allocator.
1.207 +// With a reasonable compiler, this should be roughly as fast as the
1.208 +// original STL class-specific allocators, but with less fragmentation.
1.209 +// Default_alloc_template parameters are experimental and MAY
1.210 +// DISAPPEAR in the future. Clients should just use alloc for now.
1.211 +//
1.212 +// Important implementation properties:
1.213 +// 1. If the client request an object of size > _MAX_BYTES, the resulting
1.214 +// object will be obtained directly from malloc.
1.215 +// 2. In all other cases, we allocate an object of size exactly
1.216 +// _S_round_up(requested_size). Thus the client has enough size
1.217 +// information that we can return the object to the proper free list
1.218 +// without permanently losing part of the object.
1.219 +//
1.220 +
1.221 +// The first template parameter specifies whether more than one thread
1.222 +// may use this allocator. It is safe to allocate an object from
1.223 +// one instance of a default_alloc and deallocate it with another
1.224 +// one. This effectively transfers its ownership to the second one.
1.225 +// This may have undesirable effects on reference locality.
1.226 +// The second parameter is unreferenced and serves only to allow the
1.227 +// creation of multiple default_alloc instances.
1.228 +
1.229 +class _STLP_CLASS_DECLSPEC _Node_alloc_obj {
1.230 +public:
1.231 + _Node_alloc_obj * _M_free_list_link;
1.232 +};
1.233 +
1.234 +template <bool __threads, int __inst>
1.235 +class __node_alloc {
1.236 + _STLP_PRIVATE:
1.237 + static inline size_t _STLP_CALL _S_round_up(size_t __bytes) { return (((__bytes) + (size_t)_ALIGN-1) & ~((size_t)_ALIGN - 1)); }
1.238 + typedef _Node_alloc_obj _Obj;
1.239 +private:
1.240 + // Returns an object of size __n, and optionally adds to size __n free list.
1.241 + static void* _STLP_CALL _S_refill(size_t __n);
1.242 + // Allocates a chunk for nobjs of size size. nobjs may be reduced
1.243 + // if it is inconvenient to allocate the requested number.
1.244 + static char* _STLP_CALL _S_chunk_alloc(size_t __p_size, int& __nobjs);
1.245 + // Chunk allocation state.
1.246 + static _Node_alloc_obj * _STLP_VOLATILE _S_free_list[_STLP_NFREELISTS];
1.247 + static char* _S_start_free;
1.248 + static char* _S_end_free;
1.249 + static size_t _S_heap_size;
1.250 + static void * _STLP_CALL _M_allocate(size_t __n);
1.251 + /* __p may not be 0 */
1.252 + static void _STLP_CALL _M_deallocate(void *__p, size_t __n);
1.253 +public:
1.254 + // this one is needed for proper simple_alloc wrapping
1.255 + typedef char value_type;
1.256 +# if defined (_STLP_MEMBER_TEMPLATE_CLASSES) && defined (_STLP_USE_RAW_SGI_ALLOCATORS)
1.257 + template <class _Tp1> struct rebind {
1.258 + typedef __allocator<_Tp1, __node_alloc<__threads, __inst> > other;
1.259 + };
1.260 +# endif
1.261 + /* __n must be > 0 */
1.262 + static void * _STLP_CALL allocate(size_t __n) {
1.263 +return (__n > (size_t)_MAX_BYTES) ? __stl_new(__n) : _M_allocate(__n); }
1.264 + /* __p may not be 0 */
1.265 + static void _STLP_CALL deallocate(void *__p, size_t __n) {
1.266 +if (__n > (size_t)_MAX_BYTES) __stl_delete(__p); else _M_deallocate(__p, __n); }
1.267 +};
1.268 +
1.269 +# if defined (_STLP_USE_TEMPLATE_EXPORT)
1.270 +_STLP_EXPORT_TEMPLATE_CLASS __malloc_alloc<0>;
1.271 +_STLP_EXPORT_TEMPLATE_CLASS __node_alloc<_STLP_NODE_ALLOCATOR_THREADS, 0>;
1.272 +# endif /* _STLP_USE_TEMPLATE_EXPORT */
1.273 +typedef __node_alloc<_STLP_NODE_ALLOCATOR_THREADS, 0> _Node_alloc;
1.274 +# if defined (_STLP_USE_TEMPLATE_EXPORT)
1.275 +_STLP_EXPORT_TEMPLATE_CLASS __debug_alloc<_Node_alloc>;
1.276 +_STLP_EXPORT_TEMPLATE_CLASS __debug_alloc<__new_alloc>;
1.277 +_STLP_EXPORT_TEMPLATE_CLASS __debug_alloc<__malloc_alloc<0> >;
1.278 +# endif
1.279 +
1.280 +#endif
1.281 +
1.282 +# if defined (_STLP_USE_PERTHREAD_ALLOC)
1.283 +
1.284 +_STLP_END_NAMESPACE
1.285 +// include additional header here
1.286 +# include <stl/_pthread_alloc.h>
1.287 +_STLP_BEGIN_NAMESPACE
1.288 +
1.289 +# if defined ( _STLP_DEBUG_ALLOC )
1.290 +typedef __debug_alloc<__pthread_alloc> __sgi_alloc;
1.291 +# else
1.292 +typedef __pthread_alloc __sgi_alloc;
1.293 +# endif /* _STLP_DEBUG_ALLOC */
1.294 +
1.295 +typedef __pthread_alloc __single_client_alloc;
1.296 +typedef __pthread_alloc __multithreaded_alloc;
1.297 +
1.298 +# else
1.299 +
1.300 +# if defined ( _STLP_USE_NEWALLOC )
1.301 +
1.302 +# if defined ( _STLP_DEBUG_ALLOC )
1.303 +typedef __debug_alloc<__new_alloc> __sgi_alloc;
1.304 +# else
1.305 +typedef __new_alloc __sgi_alloc;
1.306 +# endif /* _STLP_DEBUG_ALLOC */
1.307 +
1.308 +typedef __new_alloc __single_client_alloc;
1.309 +typedef __new_alloc __multithreaded_alloc;
1.310 +
1.311 +# elif defined (_STLP_USE_MALLOC)
1.312 +
1.313 +# if defined ( _STLP_DEBUG_ALLOC )
1.314 +typedef __debug_alloc<__malloc_alloc<0> > __sgi_alloc;
1.315 +# else
1.316 +typedef __malloc_alloc<0> __sgi_alloc;
1.317 +# endif /* _STLP_DEBUG_ALLOC */
1.318 +
1.319 +typedef __malloc_alloc<0> __single_client_alloc;
1.320 +typedef __malloc_alloc<0> __multithreaded_alloc;
1.321 +
1.322 +# else
1.323 +
1.324 +# if defined ( _STLP_DEBUG_ALLOC )
1.325 +typedef __debug_alloc<_Node_alloc> __sgi_alloc;
1.326 +# else
1.327 +typedef _Node_alloc __sgi_alloc;
1.328 +# endif
1.329 +
1.330 +typedef __node_alloc<false, 0> __single_client_alloc;
1.331 +typedef __node_alloc<true, 0> __multithreaded_alloc;
1.332 +
1.333 +# endif /* _STLP_USE_NEWALLOC */
1.334 +# endif /* PTHREAD_ALLOC */
1.335 +
1.336 +// This implements allocators as specified in the C++ standard.
1.337 +//
1.338 +// Note that standard-conforming allocators use many language features
1.339 +// that are not yet widely implemented. In particular, they rely on
1.340 +// member templates, partial specialization, partial ordering of function
1.341 +// templates, the typename keyword, and the use of the template keyword
1.342 +// to refer to a template member of a dependent type.
1.343 +
1.344 +template <class _Tp>
1.345 +class allocator {
1.346 +public:
1.347 +
1.348 + typedef _Tp value_type;
1.349 + typedef value_type * pointer;
1.350 + typedef const _Tp* const_pointer;
1.351 + typedef _Tp& reference;
1.352 + typedef const _Tp& const_reference;
1.353 + typedef size_t size_type;
1.354 + typedef ptrdiff_t difference_type;
1.355 +# if defined (_STLP_MEMBER_TEMPLATE_CLASSES)
1.356 + template <class _Tp1> struct rebind {
1.357 + typedef allocator<_Tp1> other;
1.358 + };
1.359 +# endif
1.360 + allocator() _STLP_NOTHROW {}
1.361 + # if defined (_STLP_MEMBER_TEMPLATES)
1.362 + template <class _Tp1> allocator(const allocator<_Tp1>&) _STLP_NOTHROW {}
1.363 + # endif
1.364 + allocator(const allocator<_Tp>&) _STLP_NOTHROW {}
1.365 + ~allocator() _STLP_NOTHROW {}
1.366 + pointer address(reference __x) const { return &__x; }
1.367 + const_pointer address(const_reference __x) const { return &__x; }
1.368 + // __n is permitted to be 0. The C++ standard says nothing about what the return value is when __n == 0.
1.369 + _Tp* allocate(size_type __n, const void* = 0) {
1.370 + return __n != 0 ? __REINTERPRET_CAST(value_type*,__sgi_alloc::allocate(__n * sizeof(value_type))) : 0;
1.371 + }
1.372 + // __p is permitted to be a null pointer, only if n==0.
1.373 + void deallocate(pointer __p, size_type __n) {
1.374 + _STLP_ASSERT( (__p == 0) == (__n == 0) )
1.375 + if (__p != 0) __sgi_alloc::deallocate((void*)__p, __n * sizeof(value_type));
1.376 + }
1.377 + // backwards compatibility
1.378 + void deallocate(pointer __p) const { if (__p != 0) __sgi_alloc::deallocate((void*)__p, sizeof(value_type)); }
1.379 + size_type max_size() const _STLP_NOTHROW { return size_t(-1) / sizeof(value_type); }
1.380 + void construct(pointer __p, const _Tp& __val) { _STLP_STD::_Construct(__p, __val); }
1.381 + void destroy(pointer __p) { _STLP_STD::_Destroy(__p); }
1.382 +# if defined(__MRC__)||(defined(__SC__) && !defined(__DMC__))
1.383 + template <class _T2> bool operator==(const allocator<_T2>&) const _STLP_NOTHROW { return true; }
1.384 + template <class _T2> bool operator!=(const allocator<_T2>&) const _STLP_NOTHROW { return false; }
1.385 +# endif
1.386 +};
1.387 +
1.388 +_STLP_TEMPLATE_NULL
1.389 +class _STLP_CLASS_DECLSPEC allocator<void> {
1.390 +public:
1.391 + typedef size_t size_type;
1.392 + typedef ptrdiff_t difference_type;
1.393 + typedef void* pointer;
1.394 + typedef const void* const_pointer;
1.395 +# if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
1.396 + typedef void value_type;
1.397 +# endif
1.398 +# if defined (_STLP_MEMBER_TEMPLATE_CLASSES)
1.399 + template <class _Tp1> struct rebind {
1.400 + typedef allocator<_Tp1> other;
1.401 + };
1.402 +# endif
1.403 +# if defined(__MRC__)||(defined(__SC__)&&!defined(__DMC__)) //*ty 03/24/2001 - MPW compilers get confused on these operator definitions
1.404 + template <class _T2> bool operator==(const allocator<_T2>&) const _STLP_NOTHROW { return true; }
1.405 + template <class _T2> bool operator!=(const allocator<_T2>&) const _STLP_NOTHROW { return false; }
1.406 +# endif
1.407 +};
1.408 +
1.409 +#if !(defined(__MRC__)||(defined(__SC__)&&!defined(__DMC__))) //*ty 03/24/2001 - MPW compilers get confused on these operator definitions
1.410 +template <class _T1, class _T2> inline bool _STLP_CALL operator==(const allocator<_T1>&, const allocator<_T2>&) _STLP_NOTHROW { return true; }
1.411 +template <class _T1, class _T2> inline bool _STLP_CALL operator!=(const allocator<_T1>&, const allocator<_T2>&) _STLP_NOTHROW { return false; }
1.412 +#endif
1.413 +
1.414 +# if defined (_STLP_USE_TEMPLATE_EXPORT)
1.415 +_STLP_EXPORT_TEMPLATE_CLASS allocator<char>;
1.416 +# if defined (_STLP_HAS_WCHAR_T)
1.417 +_STLP_EXPORT_TEMPLATE_CLASS allocator<wchar_t>;
1.418 +# endif
1.419 +# endif /* _STLP_USE_TEMPLATE_EXPORT */
1.420 +
1.421 +// Another allocator adaptor: _Alloc_traits. This serves two
1.422 +// purposes. First, make it possible to write containers that can use
1.423 +// either SGI-style allocators or standard-conforming allocator.
1.424 +
1.425 +// The fully general version.
1.426 +template <class _Tp, class _Allocator>
1.427 +struct _Alloc_traits
1.428 +{
1.429 + typedef _Allocator _Orig;
1.430 +# if defined (_STLP_USE_NESTED_TCLASS_THROUGHT_TPARAM)
1.431 + typedef typename _Allocator::_STLP_TEMPLATE rebind<_Tp> _Rebind_type;
1.432 + typedef typename _Rebind_type::other allocator_type;
1.433 + static allocator_type create_allocator(const _Orig& __a) { return allocator_type(__a); }
1.434 +# else
1.435 + // this is not actually true, used only to pass this type through
1.436 + // to dynamic overload selection in _STLP_alloc_proxy methods
1.437 + typedef _Allocator allocator_type;
1.438 +# endif /* _STLP_USE_NESTED_TCLASS_THROUGHT_TPARAM */
1.439 +};
1.440 +
1.441 +#ifndef _STLP_FORCE_ALLOCATORS
1.442 +#define _STLP_FORCE_ALLOCATORS(a,y)
1.443 +#endif
1.444 +
1.445 +#if defined (_STLP_CLASS_PARTIAL_SPECIALIZATION) && ! defined (_STLP_MEMBER_TEMPLATE_CLASSES)
1.446 +// The version for the default allocator, for rare occasion when we have partial spec w/o member template classes
1.447 +template <class _Tp, class _Tp1>
1.448 +struct _Alloc_traits<_Tp, allocator<_Tp1> > {
1.449 + typedef allocator<_Tp1> _Orig;
1.450 + typedef allocator<_Tp> allocator_type;
1.451 + static allocator_type create_allocator(const allocator<_Tp1 >& __a) { return allocator_type(__a); }
1.452 +};
1.453 +#endif /* _STLP_CLASS_PARTIAL_SPECIALIZATION */
1.454 +
1.455 +/* macro to convert the allocator for initialization
1.456 + * not using MEMBER_TEMPLATE_CLASSES as it should work given template constructor */
1.457 +#if defined (_STLP_MEMBER_TEMPLATES) || ! defined (_STLP_CLASS_PARTIAL_SPECIALIZATION)
1.458 +/* if _STLP_NO_TEMPLATE_CONVERSIONS is set, the member template constructor is
1.459 + * not used implicitly to convert allocator parameter, so let us do it explicitly */
1.460 +# if defined (_STLP_MEMBER_TEMPLATE_CLASSES) && defined (_STLP_NO_TEMPLATE_CONVERSIONS)
1.461 +# define _STLP_CONVERT_ALLOCATOR(__a, _Tp) __stl_alloc_create(__a,(_Tp*)0)
1.462 +# else
1.463 +# define _STLP_CONVERT_ALLOCATOR(__a, _Tp) __a
1.464 +# endif
1.465 +/* else convert, but only if partial specialization works, since else
1.466 + * Container::allocator_type won't be different */
1.467 +#else
1.468 +# define _STLP_CONVERT_ALLOCATOR(__a, _Tp) __stl_alloc_create(__a,(_Tp*)0)
1.469 +#endif
1.470 +
1.471 +# if defined (_STLP_USE_NESTED_TCLASS_THROUGHT_TPARAM)
1.472 +template <class _Tp, class _Alloc>
1.473 +inline _STLP_TYPENAME_ON_RETURN_TYPE _Alloc_traits<_Tp, _Alloc>::allocator_type _STLP_CALL
1.474 +__stl_alloc_create(const _Alloc& __a, const _Tp*) {
1.475 + typedef typename _Alloc::_STLP_TEMPLATE rebind<_Tp>::other _Rebound_type;
1.476 + return _Rebound_type(__a);
1.477 +}
1.478 +#else
1.479 +// If custom allocators are being used without member template classes support :
1.480 +// user (on purpose) is forced to define rebind/get operations !!!
1.481 +template <class _Tp1, class _Tp2>
1.482 +inline allocator<_Tp2>& _STLP_CALL
1.483 +__stl_alloc_rebind(allocator<_Tp1>& __a, const _Tp2*) { return (allocator<_Tp2>&)(__a); }
1.484 +template <class _Tp1, class _Tp2>
1.485 +inline allocator<_Tp2> _STLP_CALL
1.486 +__stl_alloc_create(const allocator<_Tp1>&, const _Tp2*) { return allocator<_Tp2>(); }
1.487 +#endif /* _STLP_USE_NESTED_TCLASS_THROUGHT_TPARAM */
1.488 +
1.489 +# ifdef _STLP_USE_RAW_SGI_ALLOCATORS
1.490 +// move obsolete stuff out of the way
1.491 +# include <stl/_alloc_old.h>
1.492 +# endif
1.493 +
1.494 +// inheritance is being used for EBO optimization
1.495 +template <class _Value, class _Tp, class _MaybeReboundAlloc>
1.496 +class _STLP_alloc_proxy : public _MaybeReboundAlloc {
1.497 +private:
1.498 + typedef _MaybeReboundAlloc _Base;
1.499 + typedef _STLP_alloc_proxy<_Value, _Tp, _MaybeReboundAlloc> _Self;
1.500 +public:
1.501 + _Value _M_data;
1.502 + inline _STLP_alloc_proxy(const _MaybeReboundAlloc& __a, _Value __p) : _MaybeReboundAlloc(__a), _M_data(__p) {}
1.503 +
1.504 +# if 0
1.505 + inline _STLP_alloc_proxy(const _Self& __x) : _MaybeReboundAlloc(__x), _M_data(__x._M_data) {}
1.506 + // construction/destruction
1.507 + inline _Self& operator = (const _Self& __x) {
1.508 + *(_MaybeReboundAlloc*)this = *(_MaybeReboundAlloc*)__x;
1.509 + _M_data = __x._M_data; return *this;
1.510 + }
1.511 + inline _Self& operator = (const _Base& __x) { ((_Base&)*this) = __x; return *this; }
1.512 +# endif
1.513 + // Unified interface to perform allocate()/deallocate() with limited
1.514 + // language support
1.515 +#if ! defined (_STLP_USE_NESTED_TCLASS_THROUGHT_TPARAM)
1.516 + // else it is rebound already, and allocate() member is accessible
1.517 + inline _Tp* allocate(size_t __n) {
1.518 + return __stl_alloc_rebind(__STATIC_CAST(_Base&,*this),(_Tp*)0).allocate(__n,0);
1.519 + }
1.520 + inline void deallocate(_Tp* __p, size_t __n) {
1.521 + __stl_alloc_rebind(__STATIC_CAST(_Base&, *this),(_Tp*)0).deallocate(__p, __n);
1.522 + }
1.523 +#endif /* !_STLP_USE_NESTED_TCLASS_THROUGHT_TPARAM */
1.524 +};
1.525 +
1.526 +# if defined (_STLP_USE_TEMPLATE_EXPORT)
1.527 +_STLP_EXPORT_TEMPLATE_CLASS _STLP_alloc_proxy<char *,char,allocator<char> >;
1.528 +# if defined (_STLP_HAS_WCHAR_T)
1.529 +_STLP_EXPORT_TEMPLATE_CLASS _STLP_alloc_proxy<wchar_t *,wchar_t,allocator<wchar_t> >;
1.530 +# endif
1.531 +# endif /* _STLP_USE_TEMPLATE_EXPORT */
1.532 +
1.533 +# undef _STLP_NODE_ALLOCATOR_THREADS
1.534 +
1.535 +_STLP_END_NAMESPACE
1.536 +
1.537 +# if defined (_STLP_EXPOSE_GLOBALS_IMPLEMENTATION) && !defined (_STLP_LINK_TIME_INSTANTIATION)
1.538 +# include <stl/_alloc.c>
1.539 +# endif
1.540 +
1.541 +#endif /* _STLP_INTERNAL_ALLOC_H */
1.542 +
1.543 +// Local Variables:
1.544 +// mode:C++
1.545 +// End:
1.546 +