Each ROOT method (see TMethod) has a linked list of its arguments.

This class describes one single method argument. The method argument info is obtained via the CINT api. See class TCling.

The method argument information is used a.o. in the TContextMenu and THtml classes.

Definition at line 36 of file TMethodArg.h.

Public Member Functions
	TMethodArg (MethodArgInfo_t info=nullptr, TFunction method=nullptr)
	Default TMethodArg ctor.

virtual	~TMethodArg ()
	TMethodArg dtor deletes adopted CINT MethodArgInfo object.

TDataMember *	GetDataMember () const
	Returns TDataMember pointed by this methodarg.

const char *	GetDefault () const
	Get default value of method argument.

const char *	GetFullTypeName () const
	Get full type description of method argument, e.g.: "class TDirectory*".

TFunction *	GetMethod () const

TList *	GetOptions () const
	Returns list of possible options - according to pointed datamember.

TypeInfo_t *	GetTypeInfo () const
	Get the TypeInfo of the method argument.

const char *	GetTypeName () const
	Get type of method argument, e.g.: "class TDirectory*" -> "TDirectory" Result needs to be used or copied immediately.

std::string	GetTypeNormalizedName () const
	Get the normalized name of the return type.

TClass *	IsA () const override

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

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

void	StreamerNVirtual (TBuffer &ClassDef_StreamerNVirtual_b)

void	Update (MethodArgInfo_t *info)
	Update fInfo (to 0 for unloading and non-zero for reloading).

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)

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.

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 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).

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 (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 Member Functions
	TMethodArg (const TMethodArg &)=delete

TMethodArg &	operator= (const TMethodArg &)=delete

Private Attributes
TDataMember *	fDataMember

MethodArgInfo_t *	fInfo

TFunction *	fMethod

Friends
class	TMethod

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 <TMethodArg.h>

Inheritance diagram for TMethodArg:

[legend]

Constructor & Destructor Documentation

◆ TMethodArg() [1/2]

TMethodArg::TMethodArg ( const TMethodArg & )

privatedelete

◆ TMethodArg() [2/2]

TMethodArg::TMethodArg	(	MethodArgInfo_t *	info = `nullptr`,
		TFunction *	method = `nullptr`
	)

Default TMethodArg ctor.

TMethodArgs are constructed in TFunction via a call to TCling::CreateListOfMethodArgs().

Definition at line 35 of file TMethodArg.cxx.

◆ ~TMethodArg()

TMethodArg::~TMethodArg ( )

virtual

TMethodArg dtor deletes adopted CINT MethodArgInfo object.

Definition at line 49 of file TMethodArg.cxx.

Member Function Documentation

◆ Class()

static TClass * TMethodArg::Class ( )

static

Returns: TClass describing this class

◆ Class_Name()

static const char * TMethodArg::Class_Name ( )

static

Returns: Name of this class

◆ Class_Version()

static constexpr Version_t TMethodArg::Class_Version ( )

inlinestaticconstexpr

Returns: Version of this class

Definition at line 64 of file TMethodArg.h.

◆ DeclFileName()

static const char * TMethodArg::DeclFileName ( )

inlinestatic

Returns: Name of the file containing the class declaration

Definition at line 64 of file TMethodArg.h.

◆ GetDataMember()

TDataMember * TMethodArg::GetDataMember ( ) const

Returns TDataMember pointed by this methodarg.

If you want to specify list of options or current value for your MethodArg (i.e. it is used as initial values in argument-asking dialogs popped up from context-meny),you can get this value from one of data members of the class.

The only restriction is, that this DataMember object must have its Getter/Setter methods set-up correctly - for details look at TDataMember. To learn how to specify the data member to which the argument should "point", look at TMethod. This is TMethod which sets up fDataMember, so it could work correctly.

Definition at line 128 of file TMethodArg.cxx.

◆ GetDefault()

const char * TMethodArg::GetDefault ( ) const

Get default value of method argument.

Definition at line 57 of file TMethodArg.cxx.

◆ GetFullTypeName()

const char * TMethodArg::GetFullTypeName ( ) const

Get full type description of method argument, e.g.: "class TDirectory*".

Definition at line 74 of file TMethodArg.cxx.

◆ GetMethod()

TFunction * TMethodArg::GetMethod ( ) const

inline

Definition at line 52 of file TMethodArg.h.

◆ GetOptions()

TList * TMethodArg::GetOptions ( ) const

Returns list of possible options - according to pointed datamember.

If there is no datamember field assigned to this methodarg - returns 0.

Definition at line 110 of file TMethodArg.cxx.

◆ GetTypeInfo()

TypeInfo_t * TMethodArg::GetTypeInfo ( ) const

Get the TypeInfo of the method argument.

Definition at line 101 of file TMethodArg.cxx.

◆ GetTypeName()

const char * TMethodArg::GetTypeName ( ) const

Get type of method argument, e.g.: "class TDirectory*" -> "TDirectory" Result needs to be used or copied immediately.

Definition at line 66 of file TMethodArg.cxx.

◆ GetTypeNormalizedName()

std::string TMethodArg::GetTypeNormalizedName ( ) const

Get the normalized name of the return type.

A normalized name is fully qualified and has all typedef desugared except for the 'special' typedef which include Double32_t, Float16_t, [U]Long64_t and std::string. It also has std:: removed [This is subject to change].

Definition at line 85 of file TMethodArg.cxx.

◆ IsA()

TClass * TMethodArg::IsA ( ) const

inlineoverridevirtual

Returns: TClass describing current object

Reimplemented from TDictionary.

Definition at line 64 of file TMethodArg.h.

◆ operator=()

TMethodArg & TMethodArg::operator= ( const TMethodArg & )

privatedelete

◆ Property()

Long_t TMethodArg::Property ( ) const

overridevirtual

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

Implements TDictionary.

Definition at line 93 of file TMethodArg.cxx.

◆ Streamer()

void TMethodArg::Streamer ( TBuffer & R__b )

overridevirtual

Stream an object of class TObject.

Reimplemented from TDictionary.

◆ StreamerNVirtual()

void TMethodArg::StreamerNVirtual ( TBuffer & ClassDef_StreamerNVirtual_b )

inline

Definition at line 64 of file TMethodArg.h.

◆ Update()

void TMethodArg::Update ( MethodArgInfo_t * info )

Update fInfo (to 0 for unloading and non-zero for reloading).

This takes ownership of 'info'

Definition at line 137 of file TMethodArg.cxx.

Friends And Related Symbol Documentation

◆ TMethod

friend class TMethod

friend

Definition at line 38 of file TMethodArg.h.

Member Data Documentation

◆ fDataMember

TDataMember* TMethodArg::fDataMember

private

Definition at line 46 of file TMethodArg.h.

◆ fInfo

MethodArgInfo_t* TMethodArg::fInfo

private

Definition at line 44 of file TMethodArg.h.

◆ fMethod

TFunction* TMethodArg::fMethod

private

Definition at line 45 of file TMethodArg.h.

core/meta/inc/TMethodArg.h

core/meta/src/TMethodArg.cxx

Public Member Functions

Static Public Member Functions

Private Member Functions

Private Attributes

Friends

Additional Inherited Members

Constructor & Destructor Documentation

◆ TMethodArg() [1/2]

◆ TMethodArg() [2/2]

◆ ~TMethodArg()

Member Function Documentation

◆ Class()

◆ Class_Name()

◆ Class_Version()

◆ DeclFileName()

◆ GetDataMember()

◆ GetDefault()

◆ GetFullTypeName()

◆ GetMethod()

◆ GetOptions()

◆ GetTypeInfo()

◆ GetTypeName()

◆ GetTypeNormalizedName()

◆ IsA()

◆ operator=()

◆ Property()

◆ Streamer()

◆ StreamerNVirtual()

◆ Update()

Friends And Related Symbol Documentation

◆ TMethod

Member Data Documentation

◆ fDataMember

◆ fInfo

◆ fMethod