45 lines
1.8 KiB
C
45 lines
1.8 KiB
C
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
// Name: wx/checkeddelete.h
|
||
|
|
// Purpose: wxCHECKED_DELETE() macro
|
||
|
|
// Author: Vadim Zeitlin
|
||
|
|
// Created: 2009-02-03
|
||
|
|
// Copyright: (c) 2002-2009 wxWidgets dev team
|
||
|
|
// Licence: wxWindows licence
|
||
|
|
///////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
#ifndef _WX_CHECKEDDELETE_H_
|
||
|
|
#define _WX_CHECKEDDELETE_H_
|
||
|
|
|
||
|
|
#include "wx/cpp.h"
|
||
|
|
|
||
|
|
// TODO: provide wxCheckedDelete[Array]() template functions too
|
||
|
|
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// wxCHECKED_DELETE and wxCHECKED_DELETE_ARRAY macros
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
/*
|
||
|
|
checked deleters are used to make sure that the type being deleted is really
|
||
|
|
a complete type.: otherwise sizeof() would result in a compile-time error
|
||
|
|
|
||
|
|
do { ... } while ( 0 ) construct is used to have an anonymous scope
|
||
|
|
(otherwise we could have name clashes between different "complete"s) but
|
||
|
|
still force a semicolon after the macro
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define wxCHECKED_DELETE(ptr) \
|
||
|
|
wxSTATEMENT_MACRO_BEGIN \
|
||
|
|
typedef char complete[sizeof(*ptr)] WX_ATTRIBUTE_UNUSED; \
|
||
|
|
delete ptr; \
|
||
|
|
wxSTATEMENT_MACRO_END
|
||
|
|
|
||
|
|
#define wxCHECKED_DELETE_ARRAY(ptr) \
|
||
|
|
wxSTATEMENT_MACRO_BEGIN \
|
||
|
|
typedef char complete[sizeof(*ptr)] WX_ATTRIBUTE_UNUSED; \
|
||
|
|
delete [] ptr; \
|
||
|
|
wxSTATEMENT_MACRO_END
|
||
|
|
|
||
|
|
|
||
|
|
#endif // _WX_CHECKEDDELETE_H_
|
||
|
|
|