X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/cf760e4c30a0324f441989dbf8362c63472336ec..1a83b9bd10b7d92520c202e6ed6cff2015f13315:/src/common/object.cpp?ds=sidebyside diff --git a/src/common/object.cpp b/src/common/object.cpp index c091b0c681..622569f308 100644 --- a/src/common/object.cpp +++ b/src/common/object.cpp @@ -5,12 +5,12 @@ // 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 -// Licence: wxWindows license +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ +#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA) #pragma implementation "object.h" #endif @@ -22,7 +22,8 @@ #endif #ifndef WX_PRECOMP -#include "wx/hash.h" + #include "wx/hash.h" + #include "wx/object.h" #endif #include @@ -32,9 +33,6 @@ #endif #if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT - // for wxObject::Dump - #include "wx/ioswrap.h" - #if defined(__VISAGECPP__) #define DEBUG_PRINTF(NAME) { static int raz=0; \ printf( #NAME " %i\n",raz); fflush(stdout); raz++; } @@ -43,10 +41,42 @@ #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, +#if wxUSE_EXTENDED_RTTI +const wxClassInfo* wxObject::ms_classParents[] = { NULL } ; + wxObject* wxVariantToObjectConverterwxObject ( wxxVariant &data ) +{ return data.wxTEMPLATED_MEMBER_CALL(Get , wxObject*) ; } + wxObject* wxVariantOfPtrToObjectConverterwxObject ( wxxVariant &data ) +{ return &data.wxTEMPLATED_MEMBER_CALL(Get , wxObject) ; } + wxxVariant wxObjectToVariantConverterwxObject ( wxObject *data ) + { return wxxVariant( dynamic_cast (data) ) ; } + wxClassInfo wxObject::ms_classInfo(ms_classParents , wxT("") , wxT("wxObject"), + (int) sizeof(wxObject), \ + (wxObjectConstructorFn) 0 , + (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::ms_classInfo , NULL , NULL , typeid(wxObject*).name() ) ; + wxClassTypeInfo s_typeInfowxObject(wxT_OBJECT , &wxObject::ms_classInfo , NULL , NULL , typeid(wxObject).name() ) ; +#else +wxClassInfo wxObject::ms_classInfo( wxT("wxObject"), 0, 0, (int) sizeof(wxObject), (wxObjectConstructorFn) 0 ); +#endif + +// restore optimizations +#if defined __VISUALC__ && __VISUALC__ >= 1300 + #pragma optimize("", on) +#endif wxClassInfo* wxClassInfo::sm_first = NULL; wxHashTable* wxClassInfo::sm_classTable = NULL; @@ -66,23 +96,11 @@ bool wxObject::IsKindOf(wxClassInfo *info) const return (thisInfo) ? thisInfo->IsKindOf(info) : FALSE ; } -#if wxUSE_STD_IOSTREAM && (defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT) -void wxObject::Dump(wxSTD ostream& str) -{ - if (GetClassInfo() && GetClassInfo()->GetClassName()) - str << GetClassInfo()->GetClassName(); - else - str << _T("unknown object class"); -} -#endif - - #if defined(__WXDEBUG__) && wxUSE_MEMORY_TRACING && defined( new ) #undef new #endif - #ifdef _WX_WANT_NEW_SIZET_WXCHAR_INT void *wxObject::operator new ( size_t size, const wxChar *fileName, int lineNum ) { @@ -137,6 +155,32 @@ 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; + } + } + Unregister(); +} + wxClassInfo *wxClassInfo::FindClass(const wxChar *className) { if ( sm_classTable ) @@ -155,71 +199,46 @@ wxClassInfo *wxClassInfo::FindClass(const wxChar *className) } } -// a tiny InitializeClasses() helper -/* static */ -inline wxClassInfo *wxClassInfo::GetBaseByName(const wxChar *name) +void wxClassInfo::CleanUp() { - if ( !name ) - return NULL; - - 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 - ) ); - - return classInfo; + if ( sm_classTable ) + { + delete sm_classTable; + sm_classTable = NULL; + } } -// Set pointers to base class(es) to speed up IsKindOf -void wxClassInfo::InitializeClasses() +void wxClassInfo::Register() { + if ( !sm_classTable ) + { + sm_classTable = new wxHashTable(wxKEY_STRING); + } + // 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 + 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)?") ); + + sm_classTable->Put(m_className, (wxObject *)this); +} -#ifdef __WXDEBUG__ - static const size_t nMaxClasses = 10000; // more than we'll ever have - size_t nClass = 0; -#endif - - wxClassInfo::sm_classTable = new wxHashTable(wxKEY_STRING); - - // Index all class infos by their class name - - wxClassInfo *info; - for(info = sm_first; info; info = info->m_next) +void wxClassInfo::Unregister() +{ + if ( sm_classTable ) { - if (info->m_className) + sm_classTable->Delete(m_className); + if ( sm_classTable->GetCount() == 0 ) { - wxASSERT_MSG( ++nClass < nMaxClasses, - _T("an infinite loop detected - have you used IMPLEMENT_DYNAMIC_CLASS() twice (may be by linking some object module(s) twice)?") ); - sm_classTable->Put(info->m_className, (wxObject *)info); + delete sm_classTable; + sm_classTable = NULL; } } - - // Set base pointers for each wxClassInfo - - for(info = sm_first; info; info = info->m_next) - { - info->m_baseInfo1 = GetBaseByName(info->GetBaseClassName1()); - info->m_baseInfo2 = GetBaseByName(info->GetBaseClassName2()); - } -} - -void wxClassInfo::CleanUpClasses() -{ - delete wxClassInfo::sm_classTable; - wxClassInfo::sm_classTable = NULL; } - wxObject *wxCreateDynamicObject(const wxChar *name) { #if defined(__WXDEBUG__) || wxUSE_DEBUG_CONTEXT @@ -247,9 +266,18 @@ 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 @@ -320,32 +348,3 @@ wxObject::CloneRefData(const wxObjectRefData * WXUNUSED(data)) const return NULL; } - -// ---------------------------------------------------------------------------- -// misc -// ---------------------------------------------------------------------------- - -#if defined(__DARWIN__) && defined(DYLIB_INIT) - -extern "C" { - void __initialize_Cplusplus(void); - void wxWindowsDylibInit(void); -}; - - // Dynamic shared library (dylib) initialization routine - // required to initialize static C++ objects bacause of lazy dynamic linking - // http://developer.apple.com/techpubs/macosx/Essentials/ - // SystemOverview/Frameworks/Dynamic_Shared_Libraries.html - -void wxWindowsDylibInit() -{ - // The function __initialize_Cplusplus() must be called from the shared - // library initialization routine to cause the static C++ objects in - // the library to be initialized (reference number 2441683). - - __initialize_Cplusplus(); -} - -#endif - -// vi:sts=4:sw=4:et