mirror of
https://github.com/boostorg/regex.git
synced 2025-07-17 22:32:09 +02:00
Moved detail/allocator.hpp into regex directory.
[SVN r22967]
This commit is contained in:
@ -52,7 +52,7 @@
|
||||
# include <vector>
|
||||
# include <boost/config.hpp>
|
||||
# include <boost/cstdint.hpp>
|
||||
# include <boost/detail/allocator.hpp>
|
||||
# include <boost/regex/config/allocator.hpp>
|
||||
# include <boost/regex/config/cstring.hpp>
|
||||
# include <boost/throw_exception.hpp>
|
||||
# include <boost/scoped_ptr.hpp>
|
||||
|
281
include/boost/regex/config/allocator.hpp
Normal file
281
include/boost/regex/config/allocator.hpp
Normal file
@ -0,0 +1,281 @@
|
||||
/*
|
||||
*
|
||||
* Copyright (c) 2001
|
||||
* Dr John Maddock
|
||||
*
|
||||
* Use, modification and distribution are subject to the
|
||||
* Boost Software License, Version 1.0. (See accompanying file
|
||||
* LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
|
||||
*
|
||||
*/
|
||||
|
||||
#ifndef BOOST_DETAIL_ALLOCATOR_HPP
|
||||
#define BOOST_DETAIL_ALLOCATOR_HPP
|
||||
|
||||
#include <boost/config.hpp>
|
||||
#include <cstdlib>
|
||||
#include <new>
|
||||
#include <assert.h>
|
||||
#if defined(BOOST_NO_STDC_NAMESPACE)
|
||||
namespace std{
|
||||
using ::ptrdiff_t;
|
||||
using ::size_t;
|
||||
}
|
||||
#endif
|
||||
|
||||
// see if we have SGI alloc class:
|
||||
#if defined(BOOST_NO_STD_ALLOCATOR) && (defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION) || defined(__GLIBCPP__) || defined(__STL_CONFIG_H))
|
||||
# define BOOST_HAVE_SGI_ALLOCATOR
|
||||
# include <memory>
|
||||
# if defined(__SGI_STL_PORT) || defined(_STLPORT_VERSION)
|
||||
namespace boost{ namespace detail{
|
||||
typedef std::__sgi_alloc alloc_type;
|
||||
}}
|
||||
# else
|
||||
namespace boost{ namespace detail{
|
||||
typedef std::alloc alloc_type;
|
||||
}}
|
||||
# endif
|
||||
#endif
|
||||
|
||||
|
||||
namespace boost{ namespace detail{
|
||||
|
||||
template <class T>
|
||||
void allocator_construct(T* p, const T& t)
|
||||
{ new (p) T(t); }
|
||||
|
||||
template <class T>
|
||||
void allocator_destroy(T* p)
|
||||
{
|
||||
(void)p; // warning suppression
|
||||
p->~T();
|
||||
}
|
||||
|
||||
} }
|
||||
|
||||
#if !defined(BOOST_NO_STD_ALLOCATOR)
|
||||
|
||||
#include <memory>
|
||||
|
||||
#define BOOST_DEFAULT_ALLOCATOR(T) std::allocator< T >
|
||||
|
||||
namespace boost{ namespace detail{
|
||||
|
||||
template <class T, class A>
|
||||
struct rebind_allocator
|
||||
{
|
||||
typedef typename A::template rebind<T> binder;
|
||||
typedef typename binder::other type;
|
||||
};
|
||||
|
||||
} // namespace detail
|
||||
} // namespace boost
|
||||
|
||||
#elif !defined(BOOST_NO_MEMBER_TEMPLATES) && !defined(__SUNPRO_CC)
|
||||
|
||||
// no std::allocator, but the compiler supports the necessary syntax,
|
||||
// write our own allocator instead:
|
||||
|
||||
#define BOOST_DEFAULT_ALLOCATOR(T) ::boost::detail::allocator< T >
|
||||
|
||||
namespace boost{ namespace detail{
|
||||
|
||||
template <class T>
|
||||
class allocator
|
||||
{
|
||||
public:
|
||||
|
||||
typedef T value_type;
|
||||
typedef value_type * pointer;
|
||||
typedef const T* const_pointer;
|
||||
typedef T& reference;
|
||||
typedef const T& const_reference;
|
||||
typedef std::size_t size_type;
|
||||
typedef std::ptrdiff_t difference_type;
|
||||
|
||||
template <class U>
|
||||
struct rebind
|
||||
{
|
||||
typedef allocator<U> other;
|
||||
};
|
||||
|
||||
allocator(){}
|
||||
|
||||
template <class U>
|
||||
allocator(const allocator<U>&){}
|
||||
|
||||
allocator(const allocator&){}
|
||||
|
||||
template <class U>
|
||||
allocator& operator=(const allocator<U>&)
|
||||
{ return *this; }
|
||||
|
||||
~allocator(){}
|
||||
|
||||
pointer address(reference x) { return &x; }
|
||||
|
||||
const_pointer address(const_reference x) const { return &x; }
|
||||
|
||||
pointer allocate(size_type n, const void* = 0)
|
||||
{
|
||||
#ifdef BOOST_HAVE_SGI_ALLOCATOR
|
||||
return n != 0 ?
|
||||
reinterpret_cast<pointer>(alloc_type::allocate(n * sizeof(value_type)))
|
||||
: 0;
|
||||
#else
|
||||
return n != 0 ?
|
||||
reinterpret_cast<pointer>(::operator new(n * sizeof(value_type)))
|
||||
: 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
void deallocate(pointer p, size_type n)
|
||||
{
|
||||
#ifdef BOOST_HAVE_SGI_ALLOCATOR
|
||||
assert( (p == 0) == (n == 0) );
|
||||
if (p != 0)
|
||||
alloc_type::deallocate((void*)p, n);
|
||||
#else
|
||||
assert( (p == 0) == (n == 0) );
|
||||
if (p != 0)
|
||||
::operator delete((void*)p);
|
||||
#endif
|
||||
}
|
||||
|
||||
size_type max_size() const
|
||||
{ return size_t(-1) / sizeof(value_type); }
|
||||
|
||||
void construct(pointer p, const T& val) const
|
||||
{ allocator_construct(p, val); }
|
||||
|
||||
void destroy(pointer p) const
|
||||
{ allocator_destroy(p); }
|
||||
};
|
||||
|
||||
template <class T, class A>
|
||||
struct rebind_allocator
|
||||
{
|
||||
typedef typename A::template rebind<T> binder;
|
||||
typedef typename binder::other type;
|
||||
};
|
||||
|
||||
} // namespace detail
|
||||
} // namespace boost
|
||||
|
||||
#else
|
||||
|
||||
// no std::allocator, use workaround version instead,
|
||||
// each allocator class must derive from a base class
|
||||
// that allocates blocks of bytes:
|
||||
|
||||
#define BOOST_DEFAULT_ALLOCATOR(T) ::boost::detail::allocator_adapter<T, ::boost::detail::simple_alloc>
|
||||
|
||||
namespace boost{ namespace detail{
|
||||
|
||||
class simple_alloc
|
||||
{
|
||||
public:
|
||||
|
||||
typedef void value_type;
|
||||
typedef value_type * pointer;
|
||||
typedef const void* const_pointer;
|
||||
typedef std::size_t size_type;
|
||||
typedef std::ptrdiff_t difference_type;
|
||||
|
||||
simple_alloc(){}
|
||||
simple_alloc(const simple_alloc&){}
|
||||
|
||||
~simple_alloc(){}
|
||||
|
||||
pointer allocate(size_type n, const void* = 0)
|
||||
{
|
||||
#ifdef BOOST_HAVE_SGI_ALLOCATOR
|
||||
return n != 0 ?
|
||||
reinterpret_cast<pointer>(alloc_type::allocate(n))
|
||||
: 0;
|
||||
#else
|
||||
return n != 0 ?
|
||||
reinterpret_cast<pointer>(::operator new(n))
|
||||
: 0;
|
||||
#endif
|
||||
}
|
||||
|
||||
void deallocate(pointer p, size_type n)
|
||||
{
|
||||
#ifdef BOOST_HAVE_SGI_ALLOCATOR
|
||||
assert( (p == 0) == (n == 0) );
|
||||
if (p != 0)
|
||||
alloc_type::deallocate((void*)p, n);
|
||||
#else
|
||||
assert( (p == 0) == (n == 0) );
|
||||
if (p != 0)
|
||||
::operator delete((void*)p);
|
||||
#endif
|
||||
}
|
||||
};
|
||||
|
||||
template <class T, class Base>
|
||||
class allocator_adapter : public Base
|
||||
{
|
||||
public:
|
||||
|
||||
typedef T value_type;
|
||||
typedef value_type * pointer;
|
||||
typedef const T* const_pointer;
|
||||
typedef T& reference;
|
||||
typedef const T& const_reference;
|
||||
typedef size_t size_type;
|
||||
typedef std::ptrdiff_t difference_type;
|
||||
typedef Base base_type;
|
||||
|
||||
allocator_adapter(){}
|
||||
allocator_adapter(const base_type& x) : Base(x){}
|
||||
allocator_adapter& operator=(const base_type& x)
|
||||
{
|
||||
*(static_cast<base_type*>(this)) = x;
|
||||
return *this;
|
||||
}
|
||||
|
||||
~allocator_adapter(){}
|
||||
|
||||
pointer address(reference x) { return &x; }
|
||||
|
||||
const_pointer address(const_reference x) const { return &x; }
|
||||
|
||||
pointer allocate(size_type n, const void* = 0)
|
||||
{
|
||||
return n != 0 ?
|
||||
reinterpret_cast<pointer>(base_type::allocate(n * sizeof(value_type)))
|
||||
: 0;
|
||||
}
|
||||
|
||||
void deallocate(pointer p, size_type n)
|
||||
{
|
||||
assert( (p == 0) == (n == 0) );
|
||||
if (p != 0)
|
||||
static_cast<base_type*>(this)->deallocate((void*)p, n * sizeof(value_type));
|
||||
}
|
||||
|
||||
size_type max_size() const
|
||||
{ return size_t(-1) / sizeof(value_type); }
|
||||
|
||||
void construct(pointer p, const T& val) const
|
||||
{ allocator_construct(p, val); }
|
||||
|
||||
void destroy(pointer p) const
|
||||
{ allocator_destroy(p); }
|
||||
};
|
||||
|
||||
template <class T, class A>
|
||||
struct rebind_allocator
|
||||
{
|
||||
typedef allocator_adapter<T, typename A::base_type> type;
|
||||
};
|
||||
|
||||
} // namespace detail
|
||||
} // namespace boost
|
||||
|
||||
#endif
|
||||
|
||||
#endif // include guard
|
@ -23,7 +23,7 @@
|
||||
#ifndef BOOST_REGEX_CONFIG_HPP
|
||||
#include <boost/config.hpp>
|
||||
#endif
|
||||
#include <boost/detail/allocator.hpp>
|
||||
#include <boost/regex/config/allocator.hpp>
|
||||
|
||||
//
|
||||
// define BOOST_REGEX_NO_FWD if this
|
||||
|
@ -23,7 +23,7 @@
|
||||
#ifndef BOOST_REGEX_CONFIG_HPP
|
||||
#include <boost/config.hpp>
|
||||
#endif
|
||||
#include <boost/detail/allocator.hpp>
|
||||
#include <boost/regex/config/allocator.hpp>
|
||||
|
||||
//
|
||||
// define BOOST_REGEX_NO_FWD if this
|
||||
|
Reference in New Issue
Block a user