Allocator.h

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//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.7.0
// ----------------------------------------------------------------------------
// pcl/Allocator.h - Released 2024-06-18T15:48:54Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
//
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//
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// modification, is permitted provided that the following conditions are met:
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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// ----------------------------------------------------------------------------
 
#ifndef __PCL_Allocator_h
#define __PCL_Allocator_h
 
 
#include <pcl/Defs.h>
#include <pcl/Diagnostics.h>
 
#include <pcl/Relational.h>
#include <pcl/Utility.h>
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
template <class T, class A>
class PCL_CLASS Allocator : public A
{
public:
 
   Allocator() = default;
 
   Allocator( const Allocator<T,A>& ) = default;
 
   Allocator( const A& a )
      : A( a )
   {
   }
 
   T* Allocate( size_type n, size_type extra = 0 )
   {
      PCL_PRECONDITION( n+extra > 0 )
      return (T*)this->AllocateBlock( n*sizeof( T )+extra );
      //return (T*)new ( *this ) uint8[ n*sizeof( T )+extra ];
   }
 
   void Deallocate( T* p )
   {
      PCL_PRECONDITION( p != nullptr )
      this->DeallocateBlock( (void*)p );
      //this->operator delete( (void*)p );
   }
 
   size_type MaxLength() const
   {
      return A::MaxSize()/sizeof( T );
   }
 
   size_type PagedLength( size_type n ) const
   {
      return A::BlockSize( n*sizeof( T ) )/sizeof( T );
   }
 
   size_type ReallocatedLength( size_type currentLength, size_type newLength ) const
   {
      return A::ReallocatedBlockSize( currentLength*sizeof( T ), newLength*sizeof( T ) )/sizeof( T );
   }
};
 
// ----------------------------------------------------------------------------
 
template <class T, class A> inline void Construct( T* p, A& a )
{
   PCL_PRECONDITION( p != nullptr )
   new( (void*)p, a )T();
}
 
template <class T, class T1, class A> inline void Construct( T* p, const T1& v, A& a )
{
   PCL_PRECONDITION( p != nullptr )
   new( (void*)p, a )T( v );
}
 
#ifdef _MSC_VER
#  pragma warning( push )
#  pragma warning( disable : 4100 ) // unreferenced formal parameter
#endif                              // (VC++ limitation !?)
 
template <class T> inline void Destroy( T* p )
{
   PCL_PRECONDITION( p != nullptr )
   p->~T();
}
 
template <class T> inline void Destroy( T* p, T* q )
{
   PCL_PRECONDITION( p != nullptr && q != nullptr )
   for ( ; p < q; ++p )
      p->~T();
}
 
#ifdef _MSC_VER
#  pragma warning( pop )
#endif
 
inline void Destroy( void* )        {}
inline void Destroy( void*, void* ) {}
 
inline void Destroy( bool* )        {}
inline void Destroy( bool*, bool* ) {}
 
inline void Destroy( signed char* )               {}
inline void Destroy( signed char*, signed char* ) {}
 
inline void Destroy( unsigned char* )                 {}
inline void Destroy( unsigned char*, unsigned char* ) {}
 
inline void Destroy( wchar_t* )           {}
inline void Destroy( wchar_t*, wchar_t* ) {}
 
inline void Destroy( char16_t* )            {}
inline void Destroy( char16_t*, char16_t* ) {}
 
inline void Destroy( char32_t* )            {}
inline void Destroy( char32_t*, char32_t* ) {}
 
inline void Destroy( signed int* )              {}
inline void Destroy( signed int*, signed int* ) {}
 
inline void Destroy( unsigned int* )                {}
inline void Destroy( unsigned int*, unsigned int* ) {}
 
inline void Destroy( signed short* )                {}
inline void Destroy( signed short*, signed short* ) {}
 
inline void Destroy( unsigned short* )                  {}
inline void Destroy( unsigned short*, unsigned short* ) {}
 
inline void Destroy( signed long* )               {}
inline void Destroy( signed long*, signed long* ) {}
 
inline void Destroy( unsigned long* )                 {}
inline void Destroy( unsigned long*, unsigned long* ) {}
 
inline void Destroy( signed long long* )                    {}
inline void Destroy( signed long long*, signed long long* ) {}
 
inline void Destroy( unsigned long long* )                      {}
inline void Destroy( unsigned long long*, unsigned long long* ) {}
 
inline void Destroy( float* )         {}
inline void Destroy( float*, float* ) {}
 
inline void Destroy( double* )          {}
inline void Destroy( double*, double* ) {}
 
inline void Destroy( long double* )               {}
inline void Destroy( long double*, long double* ) {}
 
inline void Destroy( void** )         {}
inline void Destroy( void**, void** ) {}
 
inline void Destroy( bool** )         {}
inline void Destroy( bool**, bool** ) {}
 
inline void Destroy( signed char** )                {}
inline void Destroy( signed char**, signed char** ) {}
 
inline void Destroy( unsigned char** )                  {}
inline void Destroy( unsigned char**, unsigned char** ) {}
 
inline void Destroy( wchar_t** )            {}
inline void Destroy( wchar_t**, wchar_t** ) {}
 
inline void Destroy( signed int** )               {}
inline void Destroy( signed int**, signed int** ) {}
 
inline void Destroy( unsigned int** )                 {}
inline void Destroy( unsigned int**, unsigned int** ) {}
 
inline void Destroy( signed short** )                 {}
inline void Destroy( signed short**, signed short** ) {}
 
inline void Destroy( unsigned short** )                   {}
inline void Destroy( unsigned short**, unsigned short** ) {}
 
inline void Destroy( signed long** )                {}
inline void Destroy( signed long**, signed long** ) {}
 
inline void Destroy( unsigned long** )                  {}
inline void Destroy( unsigned long**, unsigned long** ) {}
 
inline void Destroy( signed long long** )                     {}
inline void Destroy( signed long long**, signed long long** ) {}
 
inline void Destroy( unsigned long long** )                       {}
inline void Destroy( unsigned long long**, unsigned long long** ) {}
 
inline void Destroy( float** )          {}
inline void Destroy( float**, float** ) {}
 
inline void Destroy( double** )           {}
inline void Destroy( double**, double** ) {}
 
inline void Destroy( long double** )                {}
inline void Destroy( long double**, long double** ) {}
 
// ----------------------------------------------------------------------------
 
} // pcl
 
#endif  // __PCL_Allocator_h
 
// ----------------------------------------------------------------------------
// EOF pcl/Allocator.h - Released 2024-06-18T15:48:54Z