casacore::TaQLNodeResultRep Class Reference

Abstract base class to hold the result of a visit to the node tree. More...

#include <TaQLNodeResult.h>

Inheritance diagram for casacore::TaQLNodeResultRep:

Public Member Functions
	TaQLNodeResultRep ()
	Default constructor clears the reference count. More...
virtual	~TaQLNodeResultRep ()
	Destructor. More...

Static Public Member Functions
static TaQLNodeResultRep *	link (TaQLNodeResultRep *rep)
	Increment the reference count. More...
static void	unlink (TaQLNodeResultRep *rep)
	Decrement the reference count. More...

Private Member Functions
	TaQLNodeResultRep (const TaQLNodeResultRep &)
	Letter objects cannot be copied. More...
TaQLNodeResultRep &	operator= (const TaQLNodeResultRep &)

Private Attributes
int	itsCount

Detailed Description

Abstract base class to hold the result of a visit to the node tree.

Intended use:

Internal

Review Status

Test programs:

tTableGram

Prerequisite

• TaQLNodeVisitor
• Note 199 describing TaQL

Synopsis

TaQLNodeResultRep is the abstract base class for classes holding values filled by visitors to the raw TaQL parse tree. Visitors are classes derived from TaQLNodeVisitor which traverse the parse tree. TaQLNodeResultRep is the counted referenced letter class in the envelope class TaQLNodeResult.

Definition at line 62 of file TaQLNodeResult.h.

Constructor & Destructor Documentation

casacore::TaQLNodeResultRep::TaQLNodeResultRep ( )

inline

Default constructor clears the reference count.

The count is updated by functions link and unlink.

Definition at line 67 of file TaQLNodeResult.h.

virtual casacore::TaQLNodeResultRep::~TaQLNodeResultRep ( )

virtual

Destructor.

casacore::TaQLNodeResultRep::TaQLNodeResultRep ( const TaQLNodeResultRep &  )

private

Letter objects cannot be copied.

Member Function Documentation

static TaQLNodeResultRep* casacore::TaQLNodeResultRep::link ( TaQLNodeResultRep *  rep )

inlinestatic

Increment the reference count.

Definition at line 74 of file TaQLNodeResult.h.

References itsCount.

Referenced by casacore::TaQLNodeResult::operator=(), and casacore::TaQLNodeResult::TaQLNodeResult().

TaQLNodeResultRep& casacore::TaQLNodeResultRep::operator= ( const TaQLNodeResultRep &  )

private

static void casacore::TaQLNodeResultRep::unlink ( TaQLNodeResultRep *  rep )

inlinestatic

Decrement the reference count.

Delete the letter if no more references.

Definition at line 82 of file TaQLNodeResult.h.

References itsCount.

Referenced by casacore::TaQLNodeResult::operator=(), and casacore::TaQLNodeResult::~TaQLNodeResult().

Member Data Documentation

int casacore::TaQLNodeResultRep::itsCount

private

Definition at line 94 of file TaQLNodeResult.h.

Referenced by link(), and unlink().

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The documentation for this class was generated from the following file:

• tables/TaQL/TaQLNodeResult.h