include/wx/object.h

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        wx/object.h
   3 // Purpose:     wxObject class, plus run-time type information macros
   4 // Author:      Julian Smart
   5 // Modified by: Ron Lee
   6 // Created:     01/02/97
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) 1997 Julian Smart
   9 //              (c) 2001 Ron Lee <ron@debian.org>
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  12
  13 #ifndef _WX_OBJECTH__
  14 #define _WX_OBJECTH__
  15
  16 #if defined(__GNUG__) && !defined(__APPLE__)
  17 #pragma interface "object.h"
  18 #endif
  19
  20 // ----------------------------------------------------------------------------
  21 // headers
  22 // ----------------------------------------------------------------------------
  23
  24 #include "wx/defs.h"
  25 #include "wx/memory.h"
  26
  27 class WXDLLIMPEXP_BASE wxObject;
  28
  29 #if wxUSE_DYNAMIC_CLASSES
  30
  31 #ifndef wxUSE_XTI
  32 #define wxUSE_XTI 0
  33 #endif
  34
  35 #if wxUSE_XTI
  36
  37 #include "wx/xti.h"
  38
  39 #else
  40
  41 // ----------------------------------------------------------------------------
  42 // conditional compilation
  43 // ----------------------------------------------------------------------------
  44
  45 // this shouldn't be needed any longer as <wx/msw/private.h> does it but it
  46 // doesn't hurt neither
  47 #ifdef GetClassName
  48 #undef GetClassName
  49 #endif
  50 #ifdef GetClassInfo
  51 #undef GetClassInfo
  52 #endif
  53
  54 class WXDLLIMPEXP_BASE wxClassInfo;
  55 class WXDLLIMPEXP_BASE wxHashTable;
  56 class WXDLLIMPEXP_BASE wxObjectRefData;
  57
  58 // ----------------------------------------------------------------------------
  59 // wxClassInfo
  60 // ----------------------------------------------------------------------------
  61
  62 typedef wxObject *(*wxObjectConstructorFn)(void);
  63
  64 class WXDLLIMPEXP_BASE wxClassInfo
  65 {
  66 public:
  67     wxClassInfo( const wxChar *className,
  68                  const wxChar *baseName1,
  69                  const wxChar *baseName2,
  70                  int size,
  71                  wxObjectConstructorFn ctor )
  72         : m_className(className)
  73         , m_baseClassName1(baseName1)
  74         , m_baseClassName2(baseName2)
  75         , m_objectSize(size)
  76         , m_objectConstructor(ctor)
  77         , m_baseInfo1(0)
  78         , m_baseInfo2(0)
  79         , m_next(sm_first)
  80         { sm_first = this; }
  81
  82     ~wxClassInfo();
  83
  84     wxObject *CreateObject() { return m_objectConstructor ? (*m_objectConstructor)() : 0; }
  85
  86     const wxChar       *GetClassName() const { return m_className; }
  87     const wxChar       *GetBaseClassName1() const { return m_baseClassName1; }
  88     const wxChar       *GetBaseClassName2() const { return m_baseClassName2; }
  89     const wxClassInfo  *GetBaseClass1() const { return m_baseInfo1; }
  90     const wxClassInfo  *GetBaseClass2() const { return m_baseInfo2; }
  91     int                 GetSize() const { return m_objectSize; }
  92
  93     wxObjectConstructorFn      GetConstructor() const { return m_objectConstructor; }
  94     static const wxClassInfo  *GetFirst() { return sm_first; }
  95     const wxClassInfo         *GetNext() const { return m_next; }
  96     static wxClassInfo        *FindClass(const wxChar *className);
  97
  98         // Climb upwards through inheritance hierarchy.
  99         // Dual inheritance is catered for.
 100
 101     bool IsKindOf(const wxClassInfo *info) const
 102     {
 103         return info != 0 &&
 104                ( info == this ||
 105                  ( m_baseInfo1 && m_baseInfo1->IsKindOf(info) ) ||
 106                  ( m_baseInfo2 && m_baseInfo2->IsKindOf(info) ) );
 107     }
 108
 109         // Initializes parent pointers and hash table for fast searching.
 110
 111     static void     InitializeClasses();
 112
 113         // Cleans up hash table used for fast searching.
 114
 115     static void     CleanUpClasses();
 116
 117
 118 public:
 119     const wxChar            *m_className;
 120     const wxChar            *m_baseClassName1;
 121     const wxChar            *m_baseClassName2;
 122     int                      m_objectSize;
 123     wxObjectConstructorFn    m_objectConstructor;
 124
 125         // Pointers to base wxClassInfos: set in InitializeClasses
 126
 127     const wxClassInfo       *m_baseInfo1;
 128     const wxClassInfo       *m_baseInfo2;
 129
 130         // class info object live in a linked list:
 131         // pointers to its head and the next element in it
 132
 133     static wxClassInfo      *sm_first;
 134     wxClassInfo             *m_next;
 135
 136     // FIXME: this should be private (currently used directly by way too
 137     //        many clients)
 138     static wxHashTable      *sm_classTable;
 139
 140 private:
 141     // InitializeClasses() helper
 142     static wxClassInfo *GetBaseByName(const wxChar *name);
 143
 144     DECLARE_NO_COPY_CLASS(wxClassInfo)
 145 };
 146
 147 WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxChar *name);
 148
 149 // ----------------------------------------------------------------------------
 150 // Dynamic class macros
 151 // ----------------------------------------------------------------------------
 152
 153 #define DECLARE_DYNAMIC_CLASS(name)           \
 154  public:                                      \
 155   static wxClassInfo sm_class##name;          \
 156   virtual wxClassInfo *GetClassInfo() const   \
 157    { return &name::sm_class##name; }
 158
 159 #define DECLARE_DYNAMIC_CLASS_NO_ASSIGN(name)   \
 160     DECLARE_NO_ASSIGN_CLASS(name)               \
 161     DECLARE_DYNAMIC_CLASS(name)
 162
 163 #define DECLARE_DYNAMIC_CLASS_NO_COPY(name)   \
 164     DECLARE_NO_COPY_CLASS(name)               \
 165     DECLARE_DYNAMIC_CLASS(name)
 166
 167 #define DECLARE_ABSTRACT_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
 168 #define DECLARE_CLASS(name) DECLARE_DYNAMIC_CLASS(name)
 169
 170 // -----------------------------------
 171 // for concrete classes
 172 // -----------------------------------
 173
 174     // Single inheritance with one base class
 175
 176 #define IMPLEMENT_DYNAMIC_CLASS(name, basename)                 \
 177  wxObject* wxConstructorFor##name()                             \
 178   { return new name; }                                          \
 179  wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename),   \
 180             0, (int) sizeof(name),                              \
 181             (wxObjectConstructorFn) wxConstructorFor##name);
 182
 183     // Multiple inheritance with two base classes
 184
 185 #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)    \
 186  wxObject* wxConstructorFor##name()                             \
 187   { return new name; }                                          \
 188  wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1),  \
 189             wxT(#basename2), (int) sizeof(name),                \
 190             (wxObjectConstructorFn) wxConstructorFor##name);
 191
 192 // -----------------------------------
 193 // for abstract classes
 194 // -----------------------------------
 195
 196     // Single inheritance with one base class
 197
 198 #define IMPLEMENT_ABSTRACT_CLASS(name, basename)                \
 199  wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename),   \
 200             0, (int) sizeof(name), (wxObjectConstructorFn) 0);
 201
 202     // Multiple inheritance with two base classes
 203
 204 #define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)   \
 205  wxClassInfo name::sm_class##name(wxT(#name), wxT(#basename1),  \
 206             wxT(#basename2), (int) sizeof(name),                \
 207             (wxObjectConstructorFn) 0);
 208
 209 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 210 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 211
 212 #endif // !wxUSE_XTI
 213
 214
 215 // -----------------------------------
 216 // for pluggable classes
 217 // -----------------------------------
 218
 219     // NOTE: this should probably be the very first statement
 220     //       in the class declaration so wxPluginSentinel is
 221     //       the first member initialised and the last destroyed.
 222
 223 // _DECLARE_DL_SENTINEL(name) wxPluginSentinel m_pluginsentinel;
 224
 225 #if wxUSE_NESTED_CLASSES
 226
 227 #define _DECLARE_DL_SENTINEL(name, exportdecl)  \
 228 class exportdecl name##PluginSentinel {         \
 229 private:                                        \
 230     static const wxString sm_className;         \
 231 public:                                         \
 232     name##PluginSentinel();                     \
 233     ~name##PluginSentinel();                    \
 234 };                                              \
 235 name##PluginSentinel  m_pluginsentinel;
 236
 237 #define _IMPLEMENT_DL_SENTINEL(name)                                \
 238  const wxString name::name##PluginSentinel::sm_className(#name);    \
 239  name::name##PluginSentinel::name##PluginSentinel() {               \
 240     wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
 241     if( e != 0 ) { e->RefObj(); }                                      \
 242  }                                                                  \
 243  name::name##PluginSentinel::~name##PluginSentinel() {            \
 244     wxPluginLibrary *e = (wxPluginLibrary*) wxPluginLibrary::ms_classes.Get(#name);   \
 245     if( e != 0 ) { e->UnrefObj(); }                                 \
 246  }
 247 #else
 248
 249 #define _DECLARE_DL_SENTINEL(name)
 250 #define _IMPLEMENT_DL_SENTINEL(name)
 251
 252 #endif  // wxUSE_NESTED_CLASSES
 253
 254 #define DECLARE_PLUGGABLE_CLASS(name) \
 255  DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
 256 #define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name)  \
 257  DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, WXDLLEXPORT)
 258
 259 #define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo) \
 260  DECLARE_DYNAMIC_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
 261 #define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)  \
 262  DECLARE_ABSTRACT_CLASS(name) _DECLARE_DL_SENTINEL(name, usergoo)
 263
 264 #define IMPLEMENT_PLUGGABLE_CLASS(name, basename) \
 265  IMPLEMENT_DYNAMIC_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 266 #define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 267  IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
 268 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
 269  IMPLEMENT_ABSTRACT_CLASS(name, basename) _IMPLEMENT_DL_SENTINEL(name)
 270 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 271  IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) _IMPLEMENT_DL_SENTINEL(name)
 272
 273 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename) \
 274  IMPLEMENT_PLUGGABLE_CLASS(name, basename)
 275 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 276  IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
 277 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename) \
 278  IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
 279 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)  \
 280  IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
 281
 282 #define CLASSINFO(name) (&name::sm_class##name)
 283
 284 #else // !wxUSE_DYNAMIC_CLASSES
 285
 286     // No dynamic class system: so stub out the macros
 287
 288 #define DECLARE_DYNAMIC_CLASS(name)
 289 #define DECLARE_ABSTRACT_CLASS(name)
 290 #define DECLARE_CLASS(name)
 291 #define IMPLEMENT_DYNAMIC_CLASS(name, basename)
 292 #define IMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2)
 293 #define IMPLEMENT_ABSTRACT_CLASS(name, basename)
 294 #define IMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2)
 295 #define IMPLEMENT_CLASS IMPLEMENT_ABSTRACT_CLASS
 296 #define IMPLEMENT_CLASS2 IMPLEMENT_ABSTRACT_CLASS2
 297
 298 #define DECLARE_PLUGGABLE_CLASS(name)
 299 #define DECLARE_ABSTRACT_PLUGGABLE_CLASS(name)
 300 #define IMPLEMENT_PLUGGABLE_CLASS(name, basename)
 301 #define IMPLEMENT_PLUGGABLE_CLASS2(name, basename1, basename2)
 302 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS(name, basename)
 303 #define IMPLEMENT_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
 304
 305 #define DECLARE_USER_EXPORTED_PLUGGABLE_CLASS(name, usergoo)
 306 #define DECLARE_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, usergoo)
 307 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS(name, basename)
 308 #define IMPLEMENT_USER_EXPORTED_PLUGGABLE_CLASS2(name, basename1, basename2)
 309 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS(name, basename)
 310 #define IMPLEMENT_USER_EXPORTED_ABSTRACT_PLUGGABLE_CLASS2(name, basename1, basename2)
 311
 312 #endif // wxUSE_DYNAMIC_CLASSES
 313
 314 #define wxIS_KIND_OF(obj, className) obj->IsKindOf(&className::sm_class##className)
 315
 316 // Just seems a bit nicer-looking (pretend it's not a macro)
 317 #define wxIsKindOf(obj, className) obj->IsKindOf(&className::sm_class##className)
 318
 319 // to be replaced by dynamic_cast<> in the future
 320 #define wxDynamicCast(obj, className) \
 321  ((className *) wxCheckDynamicCast((wxObject*)(obj), &className::sm_class##className))
 322
 323 // The 'this' pointer is always true, so use this version
 324 // to cast the this pointer and avoid compiler warnings.
 325 #define wxDynamicCastThis(className) \
 326  (IsKindOf(&className::sm_class##className) ? (className *)(this) : (className *)0)
 327
 328 #ifdef HAVE_CONST_CAST
 329 #define wxConstCast(obj, className) const_cast<className *>(obj)
 330 #else
 331 #define wxConstCast(obj, className) ((className *)(obj))
 332 #endif
 333
 334
 335 #ifdef __WXDEBUG__
 336 inline void wxCheckCast(void *ptr)
 337 {
 338     wxASSERT_MSG( ptr, _T("wxStaticCast() used incorrectly") );
 339 }
 340 #define wxStaticCast(obj, className) \
 341  (wxCheckCast(wxDynamicCast(obj, className)), ((className *)(obj)))
 342
 343 #else  // !__WXDEBUG__
 344 #define wxStaticCast(obj, className) ((className *)(obj))
 345
 346 #endif  // __WXDEBUG__
 347
 348 // ----------------------------------------------------------------------------
 349 // set up memory debugging macros
 350 // ----------------------------------------------------------------------------
 351
 352 /*
 353     Which new/delete operator variants do we want?
 354
 355     _WX_WANT_NEW_SIZET_WXCHAR_INT             = void *operator new (size_t size, wxChar *fileName = 0, int lineNum = 0)
 356     _WX_WANT_DELETE_VOID                      = void operator delete (void * buf)
 357     _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET      = void operator delete (void *buf, const char *_fname, size_t _line)
 358     _WX_WANT_DELETE_VOID_WXCHAR_INT           = void operator delete(void *buf, wxChar*, int)
 359     _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT       = void *operator new[] (size_t size, wxChar *fileName , int lineNum = 0)
 360     _WX_WANT_ARRAY_DELETE_VOID                = void operator delete[] (void *buf)
 361     _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT     = void operator delete[] (void* buf, wxChar*, int )
 362 */
 363
 364 #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING
 365
 366 // All compilers get this one
 367 #define _WX_WANT_NEW_SIZET_WXCHAR_INT
 368
 369 // Everyone except Visage gets the next one
 370 #ifndef __VISAGECPP__
 371     #define _WX_WANT_DELETE_VOID
 372 #endif
 373
 374 // Only visage gets this one under the correct circumstances
 375 #if defined(__VISAGECPP__) && __DEBUG_ALLOC__
 376     #define _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 377 #endif
 378
 379 // Only VC++ 6.0 and CodeWarrior compilers get overloaded delete that matches new
 380 #if ( defined(__VISUALC__) && (__VISUALC__ >= 1200) ) || (defined(__MWERKS__) && (__MWERKS__ >= 0x2400))
 381     #define _WX_WANT_DELETE_VOID_WXCHAR_INT
 382 #endif
 383
 384 // Now see who (if anyone) gets the array memory operators
 385 #if wxUSE_ARRAY_MEMORY_OPERATORS
 386
 387     // Everyone except Visual C++ (cause problems for VC++ - crashes)
 388     #if !defined(__VISUALC__)
 389         #define _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
 390     #endif
 391
 392     // Everyone except Visual C++ (cause problems for VC++ - crashes)
 393     #if !defined(__VISUALC__)
 394         #define _WX_WANT_ARRAY_DELETE_VOID
 395     #endif
 396
 397     // Only CodeWarrior 6 or higher
 398     #if defined(__MWERKS__) && (__MWERKS__ >= 0x2400)
 399         #define _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
 400     #endif
 401
 402 #endif // wxUSE_ARRAY_MEMORY_OPERATORS
 403
 404 #endif // WXDEBUG && wxUSE_MEMORY_TRACING
 405
 406 #if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
 407 // needed by wxObject::Dump
 408 #include "wx/iosfwrap.h"
 409 #endif
 410
 411 // ----------------------------------------------------------------------------
 412 // wxObject: the root class of wxWindows object hierarchy
 413 // ----------------------------------------------------------------------------
 414
 415 class WXDLLIMPEXP_BASE wxObject
 416 {
 417     DECLARE_ABSTRACT_CLASS(wxObject)
 418
 419 private:
 420     void InitFrom(const wxObject& other);
 421
 422 public:
 423     wxObject() { m_refData = NULL; }
 424     virtual ~wxObject() { UnRef(); }
 425
 426     wxObject(const wxObject& other)
 427         {
 428             InitFrom(other);
 429         }
 430
 431     wxObject& operator=(const wxObject& other)
 432     {
 433         if ( this != &other )
 434         {
 435             UnRef();
 436             InitFrom(other);
 437         }
 438         return *this;
 439     }
 440
 441     bool IsKindOf(wxClassInfo *info) const;
 442
 443
 444     // Turn on the correct set of new and delete operators
 445
 446 #ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT
 447     void *operator new ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
 448 #endif
 449
 450 #ifdef _WX_WANT_DELETE_VOID
 451     void operator delete ( void * buf );
 452 #endif
 453
 454 #ifdef _WX_WANT_DELETE_VOID_CONSTCHAR_SIZET
 455     void operator delete ( void *buf, const char *_fname, size_t _line );
 456 #endif
 457
 458 #ifdef _WX_WANT_DELETE_VOID_WXCHAR_INT
 459     void operator delete ( void *buf, const wxChar*, int );
 460 #endif
 461
 462 #ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
 463     void *operator new[] ( size_t size, const wxChar *fileName = NULL, int lineNum = 0 );
 464 #endif
 465
 466 #ifdef _WX_WANT_ARRAY_DELETE_VOID
 467     void operator delete[] ( void *buf );
 468 #endif
 469
 470 #ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
 471     void operator delete[] (void* buf, const wxChar*, int );
 472 #endif
 473
 474
 475 #if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT)
 476     virtual void Dump(wxSTD ostream& str);
 477 #endif
 478
 479     // ref counted data handling methods
 480
 481     // get/set
 482     wxObjectRefData *GetRefData() const { return m_refData; }
 483     void SetRefData(wxObjectRefData *data) { m_refData = data; }
 484
 485     // make a 'clone' of the object
 486     void Ref(const wxObject& clone);
 487
 488     // destroy a reference
 489     void UnRef();
 490
 491 protected:
 492     // ensure that our data is not shared with anybody else: if we have no
 493     // data, it is created using CreateRefData() below, if we have shared data
 494     // it is copied using CloneRefData(), otherwise nothing is done
 495     void AllocExclusive();
 496
 497     // both methods must be implemented if Unshare() is used, not pure virtual
 498     // only because of the backwards compatibility reasons
 499
 500     // create a new m_refData
 501     virtual wxObjectRefData *CreateRefData() const;
 502
 503     // create a new m_refData initialized with the given one
 504     virtual wxObjectRefData *CloneRefData(const wxObjectRefData *data) const;
 505
 506     wxObjectRefData *m_refData;
 507 };
 508
 509 // ----------------------------------------------------------------------------
 510 // wxObjectRefData: ref counted data meant to be stored in wxObject
 511 // ----------------------------------------------------------------------------
 512
 513 class WXDLLIMPEXP_BASE wxObjectRefData
 514 {
 515     friend class WXDLLIMPEXP_BASE wxObject;
 516
 517 public:
 518     wxObjectRefData() : m_count(1) { }
 519     virtual ~wxObjectRefData() { }
 520
 521     int GetRefCount() const { return m_count; }
 522
 523 private:
 524     int m_count;
 525 };
 526
 527
 528 inline wxObject *wxCheckDynamicCast(wxObject *obj, wxClassInfo *classInfo)
 529 {
 530     return obj && obj->GetClassInfo()->IsKindOf(classInfo) ? obj : NULL;
 531 }
 532
 533 // ----------------------------------------------------------------------------
 534 // more debugging macros
 535 // ----------------------------------------------------------------------------
 536
 537 #ifdef __WXDEBUG__
 538     #ifndef WXDEBUG_NEW
 539         #define WXDEBUG_NEW new(__TFILE__,__LINE__)
 540     #endif
 541 #else // !__WXDEBUG__
 542     #define WXDEBUG_NEW new
 543 #endif
 544
 545 // Redefine new to be the debugging version. This doesn't work with all
 546 // compilers, in which case you need to use WXDEBUG_NEW explicitly if you wish
 547 // to use the debugging version.
 548
 549 #if defined(__WXDEBUG__) && wxUSE_GLOBAL_MEMORY_OPERATORS && wxUSE_DEBUG_NEW_ALWAYS
 550     #define new new(__TFILE__,__LINE__)
 551 #endif
 552
 553 #endif  // _WX_OBJECTH__
 554