// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma implementation "object.h"
-#endif
-
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
-#pragma hdrstop
+ #pragma hdrstop
#endif
#ifndef WX_PRECOMP
- #include "wx/hash.h"
#include "wx/object.h"
+ #include "wx/hash.h"
+ #include "wx/memory.h"
#endif
#include <string.h>
-#if (defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING) || wxUSE_DEBUG_CONTEXT
-#include "wx/memory.h"
-#endif
-
#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
#if defined(__VISAGECPP__)
#define DEBUG_PRINTF(NAME) { static int raz=0; \
#endif
#if wxUSE_EXTENDED_RTTI
-const wxClassInfo* wxObject::sm_classParentswxObject[] = { NULL } ;
+const wxClassInfo* wxObject::ms_classParents[] = { NULL } ;
wxObject* wxVariantToObjectConverterwxObject ( wxxVariant &data )
-{ return data.Get<wxObject*>() ; }
+{ return data.wxTEMPLATED_MEMBER_CALL(Get , wxObject*) ; }
wxObject* wxVariantOfPtrToObjectConverterwxObject ( wxxVariant &data )
-{ return &data.Get<wxObject>() ; }
+{ return &data.wxTEMPLATED_MEMBER_CALL(Get , wxObject) ; }
wxxVariant wxObjectToVariantConverterwxObject ( wxObject *data )
{ return wxxVariant( dynamic_cast<wxObject*> (data) ) ; }
- wxClassInfo wxObject::sm_classwxObject(sm_classParentswxObject , wxT("") , wxT("wxObject"),
+ wxClassInfo wxObject::ms_classInfo(ms_classParents , wxEmptyString , wxT("wxObject"),
(int) sizeof(wxObject), \
(wxObjectConstructorFn) 0 ,
- (wxPropertyInfo*) NULL,(wxHandlerInfo*) NULL,0 , 0 ,
- 0 , wxVariantOfPtrToObjectConverterwxObject , wxVariantToObjectConverterwxObject , wxObjectToVariantConverterwxObject);
+ (wxPropertyInfo*) NULL,(wxHandlerInfo*) NULL,0 , 0 ,
+ 0 , wxVariantOfPtrToObjectConverterwxObject , wxVariantToObjectConverterwxObject , wxObjectToVariantConverterwxObject);
template<> void wxStringReadValue(const wxString & , wxObject * & ){assert(0) ;}
template<> void wxStringWriteValue(wxString & , wxObject* const & ){assert(0) ;}
template<> void wxStringReadValue(const wxString & , wxObject & ){assert(0) ;}
template<> void wxStringWriteValue(wxString & , wxObject const & ){assert(0) ;}
- wxClassTypeInfo s_typeInfo(wxT_OBJECT_PTR , &wxObject::sm_classwxObject , NULL , NULL , typeid(wxObject*).name() ) ;
- wxClassTypeInfo s_typeInfowxObject(wxT_OBJECT , &wxObject::sm_classwxObject , NULL , NULL , typeid(wxObject).name() ) ;
+ wxClassTypeInfo s_typeInfo(wxT_OBJECT_PTR , &wxObject::ms_classInfo , NULL , NULL , typeid(wxObject*).name() ) ;
+ wxClassTypeInfo s_typeInfowxObject(wxT_OBJECT , &wxObject::ms_classInfo , NULL , NULL , typeid(wxObject).name() ) ;
#else
-wxClassInfo wxObject::sm_classwxObject( wxT("wxObject"), 0, 0,
+wxClassInfo wxObject::ms_classInfo( wxT("wxObject"), 0, 0,
(int) sizeof(wxObject),
(wxObjectConstructorFn) 0 );
#endif
wxClassInfo* wxClassInfo::sm_first = NULL;
wxHashTable* wxClassInfo::sm_classTable = NULL;
-// These are here so we can avoid 'always true/false' warnings
-// by referring to these instead of TRUE/FALSE
-const bool wxTrue = TRUE;
-const bool wxFalse = FALSE;
+// when using XTI, this method is already implemented inline inside
+// DECLARE_DYNAMIC_CLASS but otherwise we intentionally make this function
+// non-inline because this allows us to have a non-inline virtual function in
+// all wx classes and this solves linking problems for HP-UX native toolchain
+// and possibly others (we could make dtor non-inline as well but it's more
+// useful to keep it inline than this function)
+#if !wxUSE_EXTENDED_RTTI
+
+wxClassInfo *wxObject::GetClassInfo() const
+{
+ return &wxObject::ms_classInfo;
+}
+
+#endif // wxUSE_EXTENDED_RTTI
+
+// this variable exists only so that we can avoid 'always true/false' warnings
+const bool wxFalse = false;
// Is this object a kind of (a subclass of) 'info'?
// E.g. is wxWindow a kind of wxObject?
bool wxObject::IsKindOf(wxClassInfo *info) const
{
wxClassInfo *thisInfo = GetClassInfo();
- return (thisInfo) ? thisInfo->IsKindOf(info) : FALSE ;
+ return (thisInfo) ? thisInfo->IsKindOf(info) : false ;
}
#if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING && defined( new )
- #undef new
+ #undef new
#endif
#ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT
void *wxObject::operator new ( size_t size, const wxChar *fileName, int lineNum )
{
- return wxDebugAlloc(size, (wxChar*) fileName, lineNum, TRUE);
+ return wxDebugAlloc(size, (wxChar*) fileName, lineNum, true);
}
#endif
#ifdef _WX_WANT_ARRAY_NEW_SIZET_WXCHAR_INT
void *wxObject::operator new[] ( size_t size, const wxChar* fileName, int lineNum )
{
- return wxDebugAlloc(size, (wxChar*) fileName, lineNum, TRUE, TRUE);
+ return wxDebugAlloc(size, (wxChar*) fileName, lineNum, true, true);
}
#endif
#ifdef _WX_WANT_ARRAY_DELETE_VOID
void wxObject::operator delete[] ( void *buf )
{
- wxDebugFree(buf, TRUE);
+ wxDebugFree(buf, true);
}
#endif
#ifdef _WX_WANT_ARRAY_DELETE_VOID_WXCHAR_INT
void wxObject::operator delete[] (void * buf, const wxChar* WXUNUSED(fileName), int WXUNUSED(lineNum) )
{
- wxDebugFree(buf, TRUE);
+ wxDebugFree(buf, true);
}
#endif
info = info->m_next;
}
}
- Unregister();
+ Unregister();
}
wxClassInfo *wxClassInfo::FindClass(const wxChar *className)
}
}
-void wxClassInfo::CleanUp()
-{
- if ( sm_classTable )
- {
- delete sm_classTable;
- sm_classTable = NULL;
- }
-}
+// This function wasn't written to be reentrant but there is a possiblity of
+// reentrance if something it does causes a shared lib to load and register
+// classes. On Solaris this happens when the wxHashTable is newed, so the first
+// part of the function has been modified to handle it, and a wxASSERT checks
+// against reentrance in the remainder of the function.
void wxClassInfo::Register()
{
if ( !sm_classTable )
{
- sm_classTable = new wxHashTable(wxKEY_STRING);
+ wxHashTable *classTable = new wxHashTable(wxKEY_STRING);
+
+ // check for reentrance
+ if ( sm_classTable )
+ delete classTable;
+ else
+ sm_classTable = classTable;
}
- // using IMPLEMENT_DYNAMIC_CLASS() macro twice (which may happen if you
- // link any object module twice mistakenly) will break this function
- // because it will enter an infinite loop and eventually die with "out of
- // memory" - as this is quite hard to detect if you're unaware of this,
- // try to do some checks here
+#ifdef __WXDEBUG__
+ // reentrance guard - see note above
+ static int entry = 0;
+ wxASSERT_MSG(++entry == 1, _T("wxClassInfo::Register() reentrance"));
+#endif
+
+ // Using IMPLEMENT_DYNAMIC_CLASS() macro twice (which may happen if you
+ // link any object module twice mistakenly, or link twice against wx shared
+ // library) will break this function because it will enter an infinite loop
+ // and eventually die with "out of memory" - as this is quite hard to
+ // detect if you're unaware of this, try to do some checks here.
wxASSERT_MSG( sm_classTable->Get(m_className) == NULL,
- _T("class already in RTTI table - have you used IMPLEMENT_DYNAMIC_CLASS() twice (may be by linking some object module(s) twice)?") );
-
+ wxString::Format
+ (
+ _T("Class \"%s\" already in RTTI table - have you used IMPLEMENT_DYNAMIC_CLASS() multiple times or linked some object file twice)?"),
+ m_className
+ )
+ );
+
sm_classTable->Put(m_className, (wxObject *)this);
+
+#ifdef __WXDEBUG__
+ --entry;
+#endif
}
void wxClassInfo::Unregister()
// ----------------------------------------------------------------------------
-// wxObject
+// wxObjectRefData
// ----------------------------------------------------------------------------
-// Initialize ref data from another object (needed for copy constructor and
-// assignment operator)
-void wxObject::InitFrom(const wxObject& other)
+void wxObjectRefData::DecRef()
{
- m_refData = other.m_refData;
- if ( m_refData )
- m_refData->m_count++;
+ if ( --m_count == 0 )
+ delete this;
}
+
+// ----------------------------------------------------------------------------
+// wxObject
+// ----------------------------------------------------------------------------
+
void wxObject::Ref(const wxObject& clone)
{
#if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT
if ( clone.m_refData )
{
m_refData = clone.m_refData;
- ++(m_refData->m_count);
+ m_refData->IncRef();
}
}
{
wxASSERT_MSG( m_refData->m_count > 0, _T("invalid ref data count") );
- if ( !--m_refData->m_count )
- delete m_refData;
+ m_refData->DecRef();
m_refData = NULL;
}
}
projects / wxWidgets.git / blobdiff