X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/edf0993cae024ed0e298608184d8dbc0063620af..3bb63e5c806e7ef549673822dc6e4d40aa9dbec9:/src/common/object.cpp

diff --git a/src/common/object.cpp b/src/common/object.cpp
index b3b09abf92..f0ca00964c 100644
--- a/src/common/object.cpp
+++ b/src/common/object.cpp
@@ -5,9 +5,9 @@
 // Modified by: Ron Lee
 // Created:     04/01/98
 // RCS-ID:      $Id$
-// Copyright:   (c) 1998 Julian Smart and Markus Holzem
+// Copyright:   (c) 1998 Julian Smart
 //              (c) 2001 Ron Lee <ron@debian.org>
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
 #ifdef __GNUG__
@@ -22,7 +22,8 @@
 #endif
 
 #ifndef WX_PRECOMP
-#include "wx/hash.h"
+    #include "wx/hash.h"
+    #include "wx/object.h"
 #endif
 
 #include <string.h>
@@ -43,11 +44,22 @@
     #endif
 #endif // __WXDEBUG__ || wxUSE_DEBUG_CONTEXT
 
+// we must disable optimizations for VC.NET because otherwise its too eager
+// linker discards wxClassInfo objects in release build thus breaking many,
+// many things
+#if defined __VISUALC__ && __VISUALC__ >= 1300
+    #pragma optimize("", off)
+#endif
 
 wxClassInfo wxObject::sm_classwxObject( wxT("wxObject"), 0, 0,
                                         (int) sizeof(wxObject),
                                         (wxObjectConstructorFn) 0 );
 
+// restore optimizations
+#if defined __VISUALC__ && __VISUALC__ >= 1300
+    #pragma optimize("", on)
+#endif
+
 wxClassInfo* wxClassInfo::sm_first = NULL;
 wxHashTable* wxClassInfo::sm_classTable = NULL;
 
@@ -82,7 +94,6 @@ void wxObject::Dump(wxSTD ostream& str)
 #endif
 
 
-
 #ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT
 void *wxObject::operator new ( size_t size, const wxChar *fileName, int lineNum )
 {
@@ -137,6 +148,31 @@ void wxObject::operator delete[] (void * buf, const wxChar*  WXUNUSED(fileName),
 // wxClassInfo
 // ----------------------------------------------------------------------------
 
+wxClassInfo::~wxClassInfo()
+{
+    // remove this object from the linked list of all class infos: if we don't
+    // do it, loading/unloading a DLL containing static wxClassInfo objects is
+    // not going to work
+    if ( this == sm_first )
+    {
+        sm_first = m_next;
+    }
+    else
+    {
+        wxClassInfo *info = sm_first;
+        while (info)
+        {
+            if ( info->m_next == this )
+            {
+                info->m_next = m_next;
+                break;
+            }
+
+            info = info->m_next;
+        }
+    }
+}
+
 wxClassInfo *wxClassInfo::FindClass(const wxChar *className)
 {
     if ( sm_classTable )
@@ -164,13 +200,17 @@ inline wxClassInfo *wxClassInfo::GetBaseByName(const wxChar *name)
 
     wxClassInfo *classInfo = (wxClassInfo *)sm_classTable->Get(name);
 
-    // this must be fixed, other things risk work wrongly later if you get this
-    wxASSERT_MSG( classInfo,
-                  wxString::Format
-                  (
-                    _T("base class '%s' is unknown to wxWindows RTTI"),
-                    name
-                  ) );
+#ifdef __WXDEBUG__
+    // this must be fixed, other things will work wrongly later if you get this
+    if ( !classInfo )
+    {
+        wxFAIL_MSG( wxString::Format
+                    (
+                        _T("base class '%s' is unknown to wxWindows RTTI"),
+                        name
+                    ) );
+    }
+#endif // __WXDEBUG__
 
     return classInfo;
 }
@@ -247,9 +287,18 @@ wxObject *wxCreateDynamicObject(const wxChar *name)
 
 
 // ----------------------------------------------------------------------------
-// wxClassInfo
+// wxObject
 // ----------------------------------------------------------------------------
 
+// Initialize ref data from another object (needed for copy constructor and
+// assignment operator)
+void wxObject::InitFrom(const wxObject& other)
+{
+    m_refData = other.m_refData;
+    if ( m_refData )
+        m_refData->m_count++;
+}
+
 void wxObject::Ref(const wxObject& clone)
 {
 #if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT