wxWidgets/include/wx/rtti.h
Vadim Zeitlin 054d98b1df Fix -Wpedantic in wxDECLARE_ABSTRACT_CLASS()
Fix a regression introduced in c924ecb10a (Suppress -Wsuggest-override
warnings in user code for gcc too, 2020-07-27) and rearrange the macro
to make sure a semicolon is necessary after it.

Closes #18901.
2020-08-25 17:36:02 +02:00

334 lines
13 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: wx/rtti.h
// Purpose: old RTTI macros (use XTI when possible instead)
// Author: Julian Smart
// Modified by: Ron Lee
// Created: 01/02/97
// Copyright: (c) 1997 Julian Smart
// (c) 2001 Ron Lee <ron@debian.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_RTTIH__
#define _WX_RTTIH__
#if !wxUSE_EXTENDED_RTTI // XTI system is meant to replace these macros
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
#include "wx/memory.h"
// ----------------------------------------------------------------------------
// forward declarations
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_FWD_BASE wxObject;
class WXDLLIMPEXP_FWD_BASE wxString;
class WXDLLIMPEXP_FWD_BASE wxClassInfo;
class WXDLLIMPEXP_FWD_BASE wxHashTable;
class WXDLLIMPEXP_FWD_BASE wxObject;
class WXDLLIMPEXP_FWD_BASE wxPluginLibrary;
class WXDLLIMPEXP_FWD_BASE wxHashTable_Node;
// ----------------------------------------------------------------------------
// wxClassInfo
// ----------------------------------------------------------------------------
typedef wxObject *(*wxObjectConstructorFn)(void);
class WXDLLIMPEXP_BASE wxClassInfo
{
friend class WXDLLIMPEXP_FWD_BASE wxObject;
friend WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name);
public:
wxClassInfo( const wxChar *className,
const wxClassInfo *baseInfo1,
const wxClassInfo *baseInfo2,
int size,
wxObjectConstructorFn ctor )
: m_className(className)
, m_objectSize(size)
, m_objectConstructor(ctor)
, m_baseInfo1(baseInfo1)
, m_baseInfo2(baseInfo2)
, m_next(sm_first)
{
sm_first = this;
Register();
}
~wxClassInfo();
wxObject *CreateObject() const
{ return m_objectConstructor ? (*m_objectConstructor)() : NULL; }
bool IsDynamic() const { return (NULL != m_objectConstructor); }
const wxChar *GetClassName() const { return m_className; }
const wxChar *GetBaseClassName1() const
{ return m_baseInfo1 ? m_baseInfo1->GetClassName() : NULL; }
const wxChar *GetBaseClassName2() const
{ return m_baseInfo2 ? m_baseInfo2->GetClassName() : NULL; }
const wxClassInfo *GetBaseClass1() const { return m_baseInfo1; }
const wxClassInfo *GetBaseClass2() const { return m_baseInfo2; }
int GetSize() const { return m_objectSize; }
wxObjectConstructorFn GetConstructor() const
{ return m_objectConstructor; }
static const wxClassInfo *GetFirst() { return sm_first; }
const wxClassInfo *GetNext() const { return m_next; }
static wxClassInfo *FindClass(const wxString& className);
// Climb upwards through inheritance hierarchy.
// Dual inheritance is catered for.
bool IsKindOf(const wxClassInfo *info) const
{
if ( info == this )
return true;
if ( m_baseInfo1 )
{
if ( m_baseInfo1->IsKindOf(info) )
return true;
}
if ( m_baseInfo2 )
{
if ( m_baseInfo2->IsKindOf(info) )
return true;
}
return false;
}
wxDECLARE_CLASS_INFO_ITERATORS();
private:
const wxChar *m_className;
int m_objectSize;
wxObjectConstructorFn m_objectConstructor;
// Pointers to base wxClassInfos
const wxClassInfo *m_baseInfo1;
const wxClassInfo *m_baseInfo2;
// class info object live in a linked list:
// pointers to its head and the next element in it
static wxClassInfo *sm_first;
wxClassInfo *m_next;
static wxHashTable *sm_classTable;
protected:
// registers the class
void Register();
void Unregister();
wxDECLARE_NO_COPY_CLASS(wxClassInfo);
};
WXDLLIMPEXP_BASE wxObject *wxCreateDynamicObject(const wxString& name);
// ----------------------------------------------------------------------------
// Dynamic class macros
// ----------------------------------------------------------------------------
#define wxDECLARE_ABSTRACT_CLASS(name) \
public: \
wxWARNING_SUPPRESS_MISSING_OVERRIDE() \
virtual wxClassInfo *GetClassInfo() const; \
wxWARNING_RESTORE_MISSING_OVERRIDE() \
static wxClassInfo ms_classInfo
#define wxDECLARE_DYNAMIC_CLASS_NO_ASSIGN(name) \
wxDECLARE_NO_ASSIGN_CLASS(name); \
wxDECLARE_DYNAMIC_CLASS(name)
#define wxDECLARE_DYNAMIC_CLASS_NO_COPY(name) \
wxDECLARE_NO_COPY_CLASS(name); \
wxDECLARE_DYNAMIC_CLASS(name)
#define wxDECLARE_DYNAMIC_CLASS(name) \
wxDECLARE_ABSTRACT_CLASS(name); \
static wxObject* wxCreateObject()
#define wxDECLARE_CLASS(name) \
wxDECLARE_ABSTRACT_CLASS(name)
// common part of the macros below
#define wxIMPLEMENT_CLASS_COMMON(name, basename, baseclsinfo2, func) \
wxClassInfo name::ms_classInfo(wxT(#name), \
&basename::ms_classInfo, \
baseclsinfo2, \
(int) sizeof(name), \
func); \
\
wxClassInfo *name::GetClassInfo() const \
{ return &name::ms_classInfo; }
#define wxIMPLEMENT_CLASS_COMMON1(name, basename, func) \
wxIMPLEMENT_CLASS_COMMON(name, basename, NULL, func)
#define wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, func) \
wxIMPLEMENT_CLASS_COMMON(name, basename1, &basename2::ms_classInfo, func)
// -----------------------------------
// for concrete classes
// -----------------------------------
// Single inheritance with one base class
#define wxIMPLEMENT_DYNAMIC_CLASS(name, basename) \
wxIMPLEMENT_CLASS_COMMON1(name, basename, name::wxCreateObject) \
wxObject* name::wxCreateObject() \
{ return new name; }
// Multiple inheritance with two base classes
#define wxIMPLEMENT_DYNAMIC_CLASS2(name, basename1, basename2) \
wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, \
name::wxCreateObject) \
wxObject* name::wxCreateObject() \
{ return new name; }
// -----------------------------------
// for abstract classes
// -----------------------------------
// Single inheritance with one base class
#define wxIMPLEMENT_ABSTRACT_CLASS(name, basename) \
wxIMPLEMENT_CLASS_COMMON1(name, basename, NULL)
// Multiple inheritance with two base classes
#define wxIMPLEMENT_ABSTRACT_CLASS2(name, basename1, basename2) \
wxIMPLEMENT_CLASS_COMMON2(name, basename1, basename2, NULL)
// -----------------------------------
// XTI-compatible macros
// -----------------------------------
#include "wx/flags.h"
// these macros only do something when wxUSE_EXTENDED_RTTI=1
// (and in that case they are defined by xti.h); however to avoid
// to be forced to wrap these macros (in user's source files) with
//
// #if wxUSE_EXTENDED_RTTI
// ...
// #endif
//
// blocks, we define them here as empty.
#define wxEMPTY_PARAMETER_VALUE /**/
#define wxBEGIN_ENUM( e ) wxEMPTY_PARAMETER_VALUE
#define wxENUM_MEMBER( v ) wxEMPTY_PARAMETER_VALUE
#define wxEND_ENUM( e ) wxEMPTY_PARAMETER_VALUE
#define wxIMPLEMENT_SET_STREAMING(SetName,e) wxEMPTY_PARAMETER_VALUE
#define wxBEGIN_FLAGS( e ) wxEMPTY_PARAMETER_VALUE
#define wxFLAGS_MEMBER( v ) wxEMPTY_PARAMETER_VALUE
#define wxEND_FLAGS( e ) wxEMPTY_PARAMETER_VALUE
#define wxCOLLECTION_TYPE_INFO( element, collection ) wxEMPTY_PARAMETER_VALUE
#define wxHANDLER(name,eventClassType) wxEMPTY_PARAMETER_VALUE
#define wxBEGIN_HANDLERS_TABLE(theClass) wxEMPTY_PARAMETER_VALUE
#define wxEND_HANDLERS_TABLE() wxEMPTY_PARAMETER_VALUE
#define wxIMPLEMENT_DYNAMIC_CLASS_XTI( name, basename, unit ) \
wxIMPLEMENT_DYNAMIC_CLASS( name, basename )
#define wxIMPLEMENT_DYNAMIC_CLASS_XTI_CALLBACK( name, basename, unit, callback ) \
wxIMPLEMENT_DYNAMIC_CLASS( name, basename )
#define wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_XTI( name, basename, unit ) \
wxIMPLEMENT_DYNAMIC_CLASS( name, basename)
#define wxIMPLEMENT_DYNAMIC_CLASS_WITH_COPY_AND_STREAMERS_XTI( name, basename, \
unit, toString, \
fromString ) wxEMPTY_PARAMETER_VALUE
#define wxIMPLEMENT_DYNAMIC_CLASS_NO_WXOBJECT_NO_BASE_XTI( name, unit ) wxEMPTY_PARAMETER_VALUE
#define wxIMPLEMENT_DYNAMIC_CLASS_NO_WXOBJECT_XTI( name, basename, unit ) wxEMPTY_PARAMETER_VALUE
#define wxIMPLEMENT_DYNAMIC_CLASS2_XTI( name, basename, basename2, unit) wxIMPLEMENT_DYNAMIC_CLASS2( name, basename, basename2 )
#define wxCONSTRUCTOR_0(klass) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_DUMMY(klass) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_0(klass) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_1(klass,t0,v0) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_1(klass,t0,v0) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_2(klass,t0,v0,t1,v1) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_2(klass,t0,v0,t1,v1) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_3(klass,t0,v0,t1,v1,t2,v2) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_3(klass,t0,v0,t1,v1,t2,v2) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_4(klass,t0,v0,t1,v1,t2,v2,t3,v3) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_4(klass,t0,v0,t1,v1,t2,v2,t3,v3) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_5(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_5(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_6(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_6(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_7(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_7(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6) \
wxEMPTY_PARAMETER_VALUE
#define wxCONSTRUCTOR_8(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7) \
wxEMPTY_PARAMETER_VALUE
#define wxDIRECT_CONSTRUCTOR_8(klass,t0,v0,t1,v1,t2,v2,t3,v3,t4,v4,t5,v5,t6,v6,t7,v7) \
wxEMPTY_PARAMETER_VALUE
#define wxSETTER( property, Klass, valueType, setterMethod ) wxEMPTY_PARAMETER_VALUE
#define wxGETTER( property, Klass, valueType, gettermethod ) wxEMPTY_PARAMETER_VALUE
#define wxADDER( property, Klass, valueType, addermethod ) wxEMPTY_PARAMETER_VALUE
#define wxCOLLECTION_GETTER( property, Klass, valueType, gettermethod ) wxEMPTY_PARAMETER_VALUE
#define wxBEGIN_PROPERTIES_TABLE(theClass) wxEMPTY_PARAMETER_VALUE
#define wxEND_PROPERTIES_TABLE() wxEMPTY_PARAMETER_VALUE
#define wxHIDE_PROPERTY( pname ) wxEMPTY_PARAMETER_VALUE
#define wxPROPERTY( pname, type, setter, getter, defaultValue, flags, help, group) \
wxEMPTY_PARAMETER_VALUE
#define wxPROPERTY_FLAGS( pname, flags, type, setter, getter,defaultValue, \
pflags, help, group) wxEMPTY_PARAMETER_VALUE
#define wxREADONLY_PROPERTY( pname, type, getter,defaultValue, flags, help, group) \
wxGETTER( pname, class_t, type, getter ) wxEMPTY_PARAMETER_VALUE
#define wxREADONLY_PROPERTY_FLAGS( pname, flags, type, getter,defaultValue, \
pflags, help, group) wxEMPTY_PARAMETER_VALUE
#define wxPROPERTY_COLLECTION( pname, colltype, addelemtype, adder, getter, \
flags, help, group ) wxEMPTY_PARAMETER_VALUE
#define wxREADONLY_PROPERTY_COLLECTION( pname, colltype, addelemtype, getter, \
flags, help, group) wxEMPTY_PARAMETER_VALUE
#define wxEVENT_PROPERTY( name, eventType, eventClass ) wxEMPTY_PARAMETER_VALUE
#define wxEVENT_RANGE_PROPERTY( name, eventType, lastEventType, eventClass ) wxEMPTY_PARAMETER_VALUE
#define wxIMPLEMENT_PROPERTY(name, type) wxEMPTY_PARAMETER_VALUE
#define wxEMPTY_HANDLERS_TABLE(name) wxEMPTY_PARAMETER_VALUE
#endif // !wxUSE_EXTENDED_RTTI
#endif // _WX_RTTIH__