projects / wxWidgets.git / blame
| Commit | Line | Data |
|---|---|---|
| 664e1314 VZ |
1 | /////////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: wx/checkeddelete.h | |
| 3 | // Purpose: wxCHECKED_DELETE() macro | |
| 4 | // Author: Vadim Zeitlin | |
| 5 | // Created: 2009-02-03 | |
| 664e1314 VZ |
6 | // Copyright: (c) 2002-2009 wxWidgets dev team |
| 7 | // Licence: wxWindows licence | |
| 8 | /////////////////////////////////////////////////////////////////////////////// | |
| 9 | ||
| 10 | #ifndef _WX_CHECKEDDELETE_H_ | |
| 11 | #define _WX_CHECKEDDELETE_H_ | |
| 12 | ||
| 4d3845c0 VZ |
13 | #include "wx/cpp.h" |
| 14 | ||
| 664e1314 VZ |
15 | // TODO: provide wxCheckedDelete[Array]() template functions too |
| 16 | ||
| 17 | // ---------------------------------------------------------------------------- | |
| 18 | // wxCHECKED_DELETE and wxCHECKED_DELETE_ARRAY macros | |
| 19 | // ---------------------------------------------------------------------------- | |
| 20 | ||
| 21 | /* | |
| 22 | checked deleters are used to make sure that the type being deleted is really | |
| 23 | a complete type.: otherwise sizeof() would result in a compile-time error | |
| 24 | ||
| 25 | do { ... } while ( 0 ) construct is used to have an anonymous scope | |
| 26 | (otherwise we could have name clashes between different "complete"s) but | |
| 27 | still force a semicolon after the macro | |
| 28 | */ | |
| 29 | ||
| 664e1314 | 30 | #define wxCHECKED_DELETE(ptr) \ |
| 4d3845c0 | 31 | wxSTATEMENT_MACRO_BEGIN \ |
| 540dacb6 | 32 | typedef char complete[sizeof(*ptr)] WX_ATTRIBUTE_UNUSED; \ |
| 664e1314 | 33 | delete ptr; \ |
| 4d3845c0 | 34 | wxSTATEMENT_MACRO_END |
| 664e1314 VZ |
35 | |
| 36 | #define wxCHECKED_DELETE_ARRAY(ptr) \ | |
| 4d3845c0 | 37 | wxSTATEMENT_MACRO_BEGIN \ |
| 540dacb6 | 38 | typedef char complete[sizeof(*ptr)] WX_ATTRIBUTE_UNUSED; \ |
| 664e1314 | 39 | delete [] ptr; \ |
| 4d3845c0 | 40 | wxSTATEMENT_MACRO_END |
| 664e1314 VZ |
41 | |
| 42 | ||
| 43 | #endif // _WX_CHECKEDDELETE_H_ | |
| 44 |