Global variables class (global variables are obtained from CINT).

This class describes the attributes of a global variable. The TROOT class contains a list of all currently defined global variables (accessible via TROOT::GetListOfGlobals()).

Definition at line 28 of file TGlobal.h.

Public Member Functions
	TGlobal (const TGlobal &)
	Copy constructor.

	TGlobal (DataMemberInfo_t *info=nullptr)
	pointer to CINT data member info

virtual	~TGlobal ()
	TGlobal dtor deletes adopted CINT DataMemberInfo object.

virtual void *	GetAddress () const
	Return address of global.

virtual Int_t	GetArrayDim () const
	Return number of array dimensions.

virtual DeclId_t	GetDeclId () const

virtual const char *	GetFullTypeName () const
	Get full type description of global variable, e,g.: "class TDirectory*".

virtual Int_t	GetMaxIndex (Int_t dim) const
	Return maximum index for array dimension "dim".

virtual const char *	GetTypeName () const
	Get type of global variable, e,g.: "class TDirectory*" -> "TDirectory".

virtual Bool_t	IsValid ()
	Return true if this global object is pointing to a currently loaded global.

TGlobal &	operator= (const TGlobal &)
	Assignment operator.

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

virtual bool	Update (DataMemberInfo_t *info)
	Update the TFunction to reflect the new info.

Public Member Functions inherited from TDictionary
	TDictionary ()

	TDictionary (const char *name)

	TDictionary (const TDictionary &dict)

virtual	~TDictionary ()

void	CreateAttributeMap ()

TDictAttributeMap *	GetAttributeMap () const

TDictionary &	operator= (const TDictionary &other)

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.

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

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

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

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

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

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

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

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

virtual Bool_t	IsSortable () const

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

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

virtual void	Print (Option_t *option="") const
	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.

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.

virtual void	Browse (TBrowser *b)
	Browse object. May be overridden for another default action.

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 for instance with: `gROOT->SetSelectedPad(gPad)`.

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=0)
	Execute method on this object with the given parameter string, e.g.

virtual void	Execute (TMethod method, TObjArray params, Int_t *error=0)
	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)

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

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

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)

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.

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=0, Int_t option=0, Int_t bufsize=0)
	Write this object to the current directory.

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

Private Attributes
DataMemberInfo_t *	fInfo

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 = BIT(0) , kOverwrite = BIT(1) , kWriteDelete = BIT(2) }

enum	EDeprecatedStatusBits { kObjInCanvas = BIT(3) }

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

Static Public Member Functions inherited from TDictionary
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 TObject
static Long_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.

Protected Types inherited from TObject
enum	{ kOnlyPrepStep = BIT(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 <TGlobal.h>

Inheritance diagram for TGlobal:

[legend]

Constructor & Destructor Documentation

◆ TGlobal() [1/2]

TGlobal::TGlobal ( DataMemberInfo_t * info = nullptr )

pointer to CINT data member info

Default TGlobal ctor.

Definition at line 30 of file TGlobal.cxx.

◆ TGlobal() [2/2]

TGlobal::TGlobal ( const TGlobal & rhs )

Copy constructor.

Definition at line 41 of file TGlobal.cxx.

◆ ~TGlobal()

TGlobal::~TGlobal ( )

virtual

TGlobal dtor deletes adopted CINT DataMemberInfo object.

Definition at line 69 of file TGlobal.cxx.

Member Function Documentation

◆ GetAddress()

void * TGlobal::GetAddress ( ) const

virtual

Return address of global.

Reimplemented in TEnumConstant, and TGlobalMappedFunction.

Definition at line 77 of file TGlobal.cxx.

◆ GetArrayDim()

Int_t TGlobal::GetArrayDim ( ) const

virtual

Return number of array dimensions.

Reimplemented in TGlobalMappedFunction.

Definition at line 85 of file TGlobal.cxx.

◆ GetDeclId()

TDictionary::DeclId_t TGlobal::GetDeclId ( ) const

virtual

Reimplemented in TGlobalMappedFunction.

Definition at line 93 of file TGlobal.cxx.

◆ GetFullTypeName()

const char * TGlobal::GetFullTypeName ( ) const

virtual

Get full type description of global variable, e,g.: "class TDirectory*".

Reimplemented in TEnumConstant, and TGlobalMappedFunction.

Definition at line 120 of file TGlobal.cxx.

◆ GetMaxIndex()

Int_t TGlobal::GetMaxIndex ( Int_t dim ) const

virtual

Return maximum index for array dimension "dim".

Reimplemented in TGlobalMappedFunction.

Definition at line 101 of file TGlobal.cxx.

◆ GetTypeName()

const char * TGlobal::GetTypeName ( ) const

virtual

Get type of global variable, e,g.: "class TDirectory*" -> "TDirectory".

Result needs to be used or copied immediately.

Reimplemented in TEnumConstant, and TGlobalMappedFunction.

Definition at line 111 of file TGlobal.cxx.

◆ IsValid()

Bool_t TGlobal::IsValid ( )

virtual

Return true if this global object is pointing to a currently loaded global.

If a global is unloaded after the TGlobal is created, the TGlobal will be set to be invalid.

Definition at line 131 of file TGlobal.cxx.

◆ operator=()

TGlobal & TGlobal::operator= ( const TGlobal & rhs )

Assignment operator.

Definition at line 53 of file TGlobal.cxx.

◆ Property()

Long_t TGlobal::Property ( ) const

virtual

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

Implements TDictionary.

Reimplemented in TGlobalMappedFunction.

Definition at line 148 of file TGlobal.cxx.

◆ Update()

Bool_t TGlobal::Update ( DataMemberInfo_t * info )

virtual

Update the TFunction to reflect the new info.

This can be used to implement unloading (info == 0) and then reloading (info being the 'new' decl address).

Reimplemented in TGlobalMappedFunction.

Definition at line 160 of file TGlobal.cxx.

Member Data Documentation

◆ fInfo

DataMemberInfo_t* TGlobal::fInfo

private

Definition at line 31 of file TGlobal.h.

core/meta/inc/TGlobal.h

core/meta/src/TGlobal.cxx

Public Member Functions

Private Attributes

Additional Inherited Members

Constructor & Destructor Documentation

◆ TGlobal() [1/2]

◆ TGlobal() [2/2]

◆ ~TGlobal()

Member Function Documentation

◆ GetAddress()

◆ GetArrayDim()

◆ GetDeclId()

◆ GetFullTypeName()

◆ GetMaxIndex()

◆ GetTypeName()

◆ IsValid()

◆ operator=()

◆ Property()

◆ Update()

Member Data Documentation

◆ fInfo