Each class (see TClass) has a linked list of its base class(es).

This class describes one single base class. The base class info is obtained via the CINT api. see class TCling.

The base class information is used a.o. in to find all inherited methods.

Definition at line 33 of file TBaseClass.h.

Public Member Functions
	TBaseClass (BaseClassInfo_t info=nullptr, TClass cl=nullptr)
	Default TBaseClass ctor.

virtual	~TBaseClass ()
	TBaseClass dtor deletes adopted CINT BaseClassInfo object.

void	Browse (TBrowser *b) override
	Called by the browser, to browse a baseclass.

TClass *	GetClassPointer (Bool_t load=kTRUE)
	Get pointer to the base class TClass.

Int_t	GetDelta ()
	Get offset from "this" to part of base class.

const char *	GetTitle () const override
	Get base class description (comment).

TClass *	IsA () const override

Bool_t	IsFolder () const override
	Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

ROOT::ESTLType	IsSTLContainer ()
	Return which type (if any) of STL container the data member is.

Long_t	Property () const override
	Get property description word. For meaning of bits see EProperty.

void	SetClass (TClass *cl)

void	Streamer (TBuffer &) override
	Stream an object of TBaseClass.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TDictionary
	TDictionary ()

	TDictionary (const char *name)

	TDictionary (const TDictionary &dict)

virtual	~TDictionary ()

void	CreateAttributeMap ()

TDictAttributeMap *	GetAttributeMap () const

TClass *	IsA () const override

TDictionary &	operator= (const TDictionary &other)

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TNamed
	TNamed ()

	TNamed (const char name, const char title)

	TNamed (const TNamed &named)
	TNamed copy ctor.

	TNamed (const TString &name, const TString &title)

virtual	~TNamed ()
	TNamed destructor.

void	Clear (Option_t *option="") override
	Set name and title to empty strings ("").

TObject *	Clone (const char *newname="") const override
	Make a clone of an object using the Streamer facility.

Int_t	Compare (const TObject *obj) const override
	Compare two TNamed objects.

void	Copy (TObject &named) const override
	Copy this to obj.

virtual void	FillBuffer (char *&buffer)
	Encode TNamed into output buffer.

const char *	GetName () const override
	Returns name of object.

const char *	GetTitle () const override
	Returns title of object.

ULong_t	Hash () const override
	Return hash value for this object.

TClass *	IsA () const override

Bool_t	IsSortable () const override

void	ls (Option_t *option="") const override
	List TNamed name and title.

TNamed &	operator= (const TNamed &rhs)
	TNamed assignment operator.

void	Print (Option_t *option="") const override
	Print TNamed name and title.

virtual void	SetName (const char *name)
	Set the name of the TNamed.

virtual void	SetNameTitle (const char name, const char title)
	Set all the TNamed parameters (name and title).

virtual void	SetTitle (const char *title="")
	Set the title of the TNamed.

virtual Int_t	Sizeof () const
	Return size of the TNamed part of the TObject.

void	Streamer (TBuffer &) override
	Stream an object of class TObject.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

Public Member Functions inherited from TObject
	TObject ()
	TObject constructor.

	TObject (const TObject &object)
	TObject copy ctor.

virtual	~TObject ()
	TObject destructor.

void	AbstractMethod (const char *method) const
	Use this method to implement an "abstract" method that you don't want to leave purely abstract.

virtual void	AppendPad (Option_t *option="")
	Append graphics object to current pad.

ULong_t	CheckedHash ()
	Check and record whether this class has a consistent Hash/RecursiveRemove setup (*) and then return the regular Hash value for this object.

virtual const char *	ClassName () const
	Returns name of class to which the object belongs.

virtual void	Delete (Option_t *option="")
	Delete this object.

virtual Int_t	DistancetoPrimitive (Int_t px, Int_t py)
	Computes distance from point (px,py) to the object.

virtual void	Draw (Option_t *option="")
	Default Draw method for all objects.

virtual void	DrawClass () const
	Draw class inheritance tree of the class to which this object belongs.

virtual TObject *	DrawClone (Option_t *option="") const
	Draw a clone of this object in the current selected pad with: `gROOT->SetSelectedPad(c1)`.

virtual void	Dump () const
	Dump contents of object on stdout.

virtual void	Error (const char method, const char msgfmt,...) const
	Issue error message.

virtual void	Execute (const char method, const char params, Int_t *error=nullptr)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=nullptr)
	Execute method on this object with parameters stored in the TObjArray.

virtual void	ExecuteEvent (Int_t event, Int_t px, Int_t py)
	Execute action corresponding to an event at (px,py).

virtual void	Fatal (const char method, const char msgfmt,...) const
	Issue fatal error message.

virtual TObject *	FindObject (const char *name) const
	Must be redefined in derived classes.

virtual TObject *	FindObject (const TObject *obj) const
	Must be redefined in derived classes.

virtual Option_t *	GetDrawOption () const
	Get option used by the graphics system to draw this object.

virtual const char *	GetIconName () const
	Returns mime type name of object.

virtual char *	GetObjectInfo (Int_t px, Int_t py) const
	Returns string containing info about the object at position (px,py).

virtual Option_t *	GetOption () const

virtual UInt_t	GetUniqueID () const
	Return the unique object id.

virtual Bool_t	HandleTimer (TTimer *timer)
	Execute action in response of a timer timing out.

Bool_t	HasInconsistentHash () const
	Return true is the type of this object is known to have an inconsistent setup for Hash and RecursiveRemove (i.e.

virtual void	Info (const char method, const char msgfmt,...) const
	Issue info message.

virtual Bool_t	InheritsFrom (const char *classname) const
	Returns kTRUE if object inherits from class "classname".

virtual Bool_t	InheritsFrom (const TClass *cl) const
	Returns kTRUE if object inherits from TClass cl.

virtual void	Inspect () const
	Dump contents of this object in a graphics canvas.

void	InvertBit (UInt_t f)

Bool_t	IsDestructed () const
	IsDestructed.

virtual Bool_t	IsEqual (const TObject *obj) const
	Default equal comparison (objects are equal if they have the same address in memory).

R__ALWAYS_INLINE Bool_t	IsOnHeap () const

R__ALWAYS_INLINE Bool_t	IsZombie () const

void	MayNotUse (const char *method) const
	Use this method to signal that a method (defined in a base class) may not be called in a derived class (in principle against good design since a child class should not provide less functionality than its parent, however, sometimes it is necessary).

virtual Bool_t	Notify ()
	This method must be overridden to handle object notification (the base implementation is no-op).

void	Obsolete (const char method, const char asOfVers, const char *removedFromVers) const
	Use this method to declare a method obsolete.

void	operator delete (void *ptr)
	Operator delete.

void	operator delete (void ptr, void vp)
	Only called by placement new when throwing an exception.

void	operator delete[] (void *ptr)
	Operator delete [].

void	operator delete[] (void ptr, void vp)
	Only called by placement new[] when throwing an exception.

void *	operator new (size_t sz)

void *	operator new (size_t sz, void *vp)

void *	operator new[] (size_t sz)

void *	operator new[] (size_t sz, void *vp)

TObject &	operator= (const TObject &rhs)
	TObject assignment operator.

virtual void	Paint (Option_t *option="")
	This method must be overridden if a class wants to paint itself.

virtual void	Pop ()
	Pop on object drawn in a pad to the top of the display list.

virtual Int_t	Read (const char *name)
	Read contents of object with specified name from the current directory.

virtual void	RecursiveRemove (TObject *obj)
	Recursively remove this object from a list.

void	ResetBit (UInt_t f)

virtual void	SaveAs (const char filename="", Option_t option="") const
	Save this object in the file specified by filename.

virtual void	SavePrimitive (std::ostream &out, Option_t *option="")
	Save a primitive as a C++ statement(s) on output stream "out".

void	SetBit (UInt_t f)

void	SetBit (UInt_t f, Bool_t set)
	Set or unset the user status bits as specified in f.

virtual void	SetDrawOption (Option_t *option="")
	Set drawing option for object.

virtual void	SetUniqueID (UInt_t uid)
	Set the unique object id.

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

virtual void	SysError (const char method, const char msgfmt,...) const
	Issue system error message.

R__ALWAYS_INLINE Bool_t	TestBit (UInt_t f) const

Int_t	TestBits (UInt_t f) const

virtual void	UseCurrentStyle ()
	Set current style settings in this object This function is called when either TCanvas::UseCurrentStyle or TROOT::ForceStyle have been invoked.

virtual void	Warning (const char method, const char msgfmt,...) const
	Issue warning message.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

virtual Int_t	Write (const char *name=nullptr, Int_t option=0, Int_t bufsize=0) const
	Write this object to the current directory.

Static Public Member Functions
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TDictionary
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static TDictionary *	GetDictionary (const char *name)
	Retrieve the type (class, fundamental type, typedef etc) named "name".

static TDictionary *	GetDictionary (const std::type_info &typeinfo)

static bool	WantsRegularMembers (EMemberSelection sel)

static bool	WantsUsingDecls (EMemberSelection sel)

Static Public Member Functions inherited from TNamed
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

Static Public Member Functions inherited from TObject
static TClass *	Class ()

static const char *	Class_Name ()

static constexpr Version_t	Class_Version ()

static const char *	DeclFileName ()

static Longptr_t	GetDtorOnly ()
	Return destructor only flag.

static Bool_t	GetObjectStat ()
	Get status of object stat flag.

static void	SetDtorOnly (void *obj)
	Set destructor only flag.

static void	SetObjectStat (Bool_t stat)
	Turn on/off tracking of objects in the TObjectTable.

Private Types
using	AtomicInt_t = std::atomic< Int_t >

Private Member Functions
	TBaseClass (const TBaseClass &)=delete

TBaseClass &	operator= (const TBaseClass &)=delete

Private Attributes
TClass *	fClass

TClassRef	fClassPtr
	pointer to CINT base class info

AtomicInt_t	fDelta
	pointer to parent class

BaseClassInfo_t *	fInfo

AtomicInt_t	fProperty

Int_t	fSTLType

Additional Inherited Members
Public Types inherited from TDictionary
typedef const void *	DeclId_t

enum class	EMemberSelection { kNoUsingDecls , kOnlyUsingDecls , kAlsoUsingDecls }
	Kinds of members to include in lists. More...

enum	ESTLType { kNone = ROOT::kNotSTL , kVector = ROOT::kSTLvector , kList = ROOT::kSTLlist , kForwardlist = ROOT::kSTLforwardlist , kDeque = ROOT::kSTLdeque , kMap = ROOT::kSTLmap , kMultimap = ROOT::kSTLmultimap , kSet = ROOT::kSTLset , kMultiset = ROOT::kSTLmultiset , kUnorderedSet = ROOT::kSTLunorderedset , kUnorderedMultiset = ROOT::kSTLunorderedmultiset , kUnorderedMap = ROOT::kSTLunorderedmap , kUnorderedMultimap = ROOT::kSTLunorderedmultimap , kBitset = ROOT::kSTLbitset }

Public Types inherited from TObject
enum	{ kIsOnHeap = 0x01000000 , kNotDeleted = 0x02000000 , kZombie = 0x04000000 , kInconsistent = 0x08000000 , kBitMask = 0x00ffffff }

enum	{ kSingleKey = (1ULL << ( 0 )) , kOverwrite = (1ULL << ( 1 )) , kWriteDelete = (1ULL << ( 2 )) }

enum	EDeprecatedStatusBits { kObjInCanvas = (1ULL << ( 3 )) }

enum	EStatusBits { kCanDelete = (1ULL << ( 0 )) , kMustCleanup = (1ULL << ( 3 )) , kIsReferenced = (1ULL << ( 4 )) , kHasUUID = (1ULL << ( 5 )) , kCannotPick = (1ULL << ( 6 )) , kNoContextMenu = (1ULL << ( 8 )) , kInvalidObject = (1ULL << ( 13 )) }

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = (1ULL << ( 3 )) }

Protected Member Functions inherited from TDictionary
Bool_t	UpdateInterpreterStateMarker ()
	the Cling ID of the transaction that last updated the object

Protected Member Functions inherited from TObject
virtual void	DoError (int level, const char location, const char fmt, va_list va) const
	Interface to ErrorHandler (protected).

void	MakeZombie ()

Protected Attributes inherited from TNamed
TString	fName

TString	fTitle

#include <TBaseClass.h>

Inheritance diagram for TBaseClass:

[legend]

Member Typedef Documentation

◆ AtomicInt_t

using TBaseClass::AtomicInt_t = std::atomic<Int_t>

private

Definition at line 35 of file TBaseClass.h.

Constructor & Destructor Documentation

◆ TBaseClass() [1/2]

TBaseClass::TBaseClass ( const TBaseClass & )

privatedelete

◆ TBaseClass() [2/2]

TBaseClass::TBaseClass	(	BaseClassInfo_t *	info = `nullptr`,
		TClass *	cl = `nullptr`
	)

Default TBaseClass ctor.

TBaseClasses are constructed in TClass via a call to TCling::CreateListOfBaseClasses().

Definition at line 36 of file TBaseClass.cxx.

◆ ~TBaseClass()

TBaseClass::~TBaseClass ( )

virtual

TBaseClass dtor deletes adopted CINT BaseClassInfo object.

Definition at line 46 of file TBaseClass.cxx.

Member Function Documentation

◆ Browse()

void TBaseClass::Browse ( TBrowser * b )

overridevirtual

Called by the browser, to browse a baseclass.

Reimplemented from TObject.

Definition at line 54 of file TBaseClass.cxx.

◆ Class()

static TClass * TBaseClass::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TBaseClass::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TBaseClass::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 69 of file TBaseClass.h.

◆ DeclFileName()

static const char * TBaseClass::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 69 of file TBaseClass.h.

◆ GetClassPointer()

TClass * TBaseClass::GetClassPointer ( Bool_t load = kTRUE )

Get pointer to the base class TClass.

Definition at line 63 of file TBaseClass.cxx.

◆ GetDelta()

Int_t TBaseClass::GetDelta ( )

Get offset from "this" to part of base class.

Definition at line 75 of file TBaseClass.cxx.

◆ GetTitle()

const char * TBaseClass::GetTitle ( ) const

overridevirtual

Get base class description (comment).

Reimplemented from TObject.

Definition at line 92 of file TBaseClass.cxx.

◆ IsA()

TClass * TBaseClass::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TObject.

Definition at line 69 of file TBaseClass.h.

◆ IsFolder()

Bool_t TBaseClass::IsFolder ( ) const

inlineoverridevirtual

Returns kTRUE in case object contains browsable objects (like containers or lists of other objects).

Reimplemented from TObject.

Definition at line 64 of file TBaseClass.h.

◆ IsSTLContainer()

ROOT::ESTLType TBaseClass::IsSTLContainer ( )

Return which type (if any) of STL container the data member is.

Definition at line 101 of file TBaseClass.cxx.

◆ operator=()

TBaseClass & TBaseClass::operator= ( const TBaseClass & )

privatedelete

◆ Property()

Long_t TBaseClass::Property ( ) const

overridevirtual

Get property description word. For meaning of bits see EProperty.

Implements TDictionary.

Definition at line 134 of file TBaseClass.cxx.

◆ SetClass()

void TBaseClass::SetClass ( TClass * cl )

inline

Definition at line 67 of file TBaseClass.h.

◆ Streamer()

void TBaseClass::Streamer ( TBuffer & b )

overridevirtual

Stream an object of TBaseClass.

Triggers the calculation of the cache variables to store them.

Reimplemented from TObject.

Definition at line 147 of file TBaseClass.cxx.

◆ StreamerNVirtual()

void TBaseClass::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 69 of file TBaseClass.h.

Member Data Documentation

◆ fClass

TClass* TBaseClass::fClass

private

Definition at line 51 of file TBaseClass.h.

◆ fClassPtr

TClassRef TBaseClass::fClassPtr

private

pointer to CINT base class info

Definition at line 50 of file TBaseClass.h.

◆ fDelta

AtomicInt_t TBaseClass::fDelta

private

pointer to parent class

Definition at line 52 of file TBaseClass.h.

◆ fInfo

BaseClassInfo_t* TBaseClass::fInfo

private

Definition at line 49 of file TBaseClass.h.

◆ fProperty

AtomicInt_t TBaseClass::fProperty

mutableprivate

Definition at line 53 of file TBaseClass.h.

◆ fSTLType

Int_t TBaseClass::fSTLType

private

Definition at line 54 of file TBaseClass.h.

core/meta/inc/TBaseClass.h

core/meta/src/TBaseClass.cxx

Public Member Functions

Static Public Member Functions

Private Types

Private Member Functions

Private Attributes

Additional Inherited Members

Member Typedef Documentation

◆ AtomicInt_t

Constructor & Destructor Documentation

◆ TBaseClass() [1/2]

◆ TBaseClass() [2/2]

◆ ~TBaseClass()

Member Function Documentation

◆ Browse()

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ DeclFileName()

◆ GetClassPointer()

◆ GetDelta()

◆ GetTitle()

◆ IsA()

◆ IsFolder()

◆ IsSTLContainer()

◆ operator=()

◆ Property()

◆ SetClass()

◆ Streamer()

◆ StreamerNVirtual()

Member Data Documentation

◆ fClass

◆ fClassPtr

◆ fDelta

◆ fInfo

◆ fProperty

◆ fSTLType