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TBaseClass Class Reference

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.
 
TClassGetClassPointer (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).
 
TClassIsA () 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 ()
 
TDictAttributeMapGetAttributeMap () const
 
TClassIsA () const override
 
TDictionaryoperator= (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 ("").
 
TObjectClone (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.
 
TClassIsA () const override
 
Bool_t IsSortable () const override
 
void ls (Option_t *option="") const override
 List TNamed name and title.
 
TNamedoperator= (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 TObjectDrawClone (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 TObjectFindObject (const char *name) const
 Must be redefined in derived classes.
 
virtual TObjectFindObject (const TObject *obj) const
 Must be redefined in derived classes.
 
virtual Option_tGetDrawOption () 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_tGetOption () 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.
 
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)
 Operator delete [].
 
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)
 
TObjectoperator= (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 TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TDictionary
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
static TDictionaryGetDictionary (const char *name)
 Retrieve the type (class, fundamental type, typedef etc) named "name".
 
static TDictionaryGetDictionary (const std::type_info &typeinfo)
 
static bool WantsRegularMembers (EMemberSelection sel)
 
static bool WantsUsingDecls (EMemberSelection sel)
 
- Static Public Member Functions inherited from TNamed
static TClassClass ()
 
static const char * Class_Name ()
 
static constexpr Version_t Class_Version ()
 
static const char * DeclFileName ()
 
- Static Public Member Functions inherited from TObject
static TClassClass ()
 
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
 
TBaseClassoperator= (const TBaseClass &)=delete
 

Private Attributes

TClassfClass
 
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