NullOperand Class Reference

#include <Operand.hh>

Inheritance diagram for NullOperand:

Collaboration diagram for NullOperand:

Public Member Functions
virtual	~NullOperand ()
virtual int	index () const
virtual bool	isInput () const
virtual bool	isOutput () const
virtual bool	isAddress () const
virtual bool	isMemoryData () const
virtual bool	canSwap (const Operand &op) const
virtual const std::set< int > &	swap () const
virtual bool	isNull () const
Public Member Functions inherited from Operand
	Operand (bool isInput)
	Operand (bool isInput, int index, OperandType type)
	Operand (const Operand &op)
virtual	~Operand ()
virtual OperandType	type () const
virtual void	setType (OperandType type)
virtual const std::string &	typeString () const
virtual TCEString	CTypeString () const
virtual bool	isVector () const
virtual int	elementWidth () const
virtual void	setElementWidth (int elementWidth)
virtual int	elementCount () const
virtual void	setElementCount (int elementCount)
virtual int	width () const
virtual int	memoryUnits () const
virtual void	loadState (const ObjectState *state)
virtual ObjectState *	saveState () const
Public Member Functions inherited from Serializable
virtual	~Serializable ()

Static Public Member Functions
static NullOperand &	instance ()
Static Public Member Functions inherited from Operand
static int	defaultElementWidth (OperandType type)

Private Member Functions
	NullOperand ()
NullOperand &	operator= (const NullOperand &)
	Assignment not allowed. More...

Private Attributes
std::set< int >	swap_
	Needed for one method, always empty. More...

Static Private Attributes
static NullOperand *	instance_ = NULL
	Unique instance. More...

Additional Inherited Members
Public Types inherited from Operand
enum	OperandType {   SINT_WORD, UINT_WORD, FLOAT_WORD, DOUBLE_WORD,   HALF_FLOAT_WORD, BOOL, RAW_DATA, SLONG_WORD,   ULONG_WORD }
Static Public Attributes inherited from Operand
static const std::string	SLONG_WORD_STRING = "SLongWord"
static const std::string	ULONG_WORD_STRING = "ULongWord"
static const std::string	SINT_WORD_STRING = "SIntWord"
static const std::string	UINT_WORD_STRING = "UIntWord"
static const std::string	HALF_FLOAT_WORD_STRING = "HalfFloatWord"
static const std::string	FLOAT_WORD_STRING = "FloatWord"
static const std::string	DOUBLE_WORD_STRING = "DoubleWord"
static const std::string	BOOL_STRING = "Bool"
static const std::string	RAW_DATA_STRING = "RawData"
static const std::string	UNKNOWN_TYPE_STRING = "InvalidValue"
static const std::string	OPRND_ID = "id"
	Object state name for operand id. More...
static const std::string	OPRND_TYPE = "type"
	Object state name for operand type. More...
static const std::string	OPRND_MEM_ADDRESS = "mem-address"
	Object state name for memory address. More...
static const std::string	OPRND_MEM_UNITS = "mem-units"
	Object state name for memory unit count. More...
static const std::string	OPRND_MEM_DATA = "mem-data"
	Object state name for memory data. More...
static const std::string	OPRND_CAN_SWAP = "can-swap"
	Object state name for can swap. More...
static const std::string	OPRND_IN = "in"
	Object state name for input operand. More...
static const std::string	OPRND_OUT = "out"
	Object state name for output operand. More...
static const std::string	OPRND_ELEM_WIDTH = "element-width"
	Object state name for element width. More...
static const std::string	OPRND_ELEM_COUNT = "element-count"
	Object state name for element count. More...

Detailed Description

Singleton class that is used to represent a null operand.

All methods cause program abort with an error log message.

Definition at line 170 of file Operand.hh.

Constructor & Destructor Documentation

~NullOperand()

NullOperand::~NullOperand ( )

virtual

Destructor.

Definition at line 584 of file Operand.cc.

                          {
}

NullOperand()

NullOperand::NullOperand ( )

private

Constructor.

Definition at line 578 of file Operand.cc.

                         : Operand(false) {
}

Member Function Documentation

canSwap()

bool NullOperand::canSwap ( const Operand &  op ) const

virtual

Aborts the program with error message.

Returns

false.

Reimplemented from Operand.

Definition at line 659 of file Operand.cc.

                                         {
    abortWithError("canSwap()");
    return false;
}

References abortWithError.

index()

int NullOperand::index ( ) const

virtual

Aborts program with error log message.

Returns

0.

Reimplemented from Operand.

Definition at line 593 of file Operand.cc.

                         {
    abortWithError("index()");
    return 0;
}

References abortWithError.

instance()

static NullOperand& NullOperand::instance ( )

static

Referenced by OperationPimpl::canSwap(), OperationPimpl::fetchOperand(), NullOperation::input(), OperationPimpl::loadState(), OperationPimpl::operand(), NullOperation::operand(), and NullOperation::output().

isAddress()

bool NullOperand::isAddress ( ) const

virtual

Aborts program with error log message.

Returns

False.

Reimplemented from Operand.

Definition at line 626 of file Operand.cc.

                             {
    abortWithError("isAddress()");
    return false;
}

References abortWithError.

isInput()

bool NullOperand::isInput ( ) const

virtual

Aborts program with error log message.

Returns

False.

Reimplemented from Operand.

Definition at line 604 of file Operand.cc.

                           {
    abortWithError("isInput()");
    return 0;
}

References abortWithError.

isMemoryData()

bool NullOperand::isMemoryData ( ) const

virtual

Aborts program with error log message.

Returns

False.

Reimplemented from Operand.

Definition at line 637 of file Operand.cc.

                                {
    abortWithError("isMemoryData()");
    return false;
}

References abortWithError.

isNull()

virtual bool NullOperand::isNull ( ) const

inlinevirtual

Reimplemented from Operand.

Definition at line 183 of file Operand.hh.

{ return true; }

isOutput()

bool NullOperand::isOutput ( ) const

virtual

Aborts program with error log message.

Returns

False.

Reimplemented from Operand.

Definition at line 615 of file Operand.cc.

                            {
    abortWithError("isOutput()");
    return 0;
}

References abortWithError.

operator=()

NullOperand& NullOperand::operator= ( const NullOperand &  )

private

Assignment not allowed.

swap()

const set< int > & NullOperand::swap ( ) const

virtual

Aborts program with error log message.

Returns

An empty vector.

Reimplemented from Operand.

Definition at line 648 of file Operand.cc.

                        {
    abortWithError("swap()");
    return swap_;
}

References abortWithError, and swap_.

Member Data Documentation

instance_

NullOperand * NullOperand::instance_ = NULL

staticprivate

Unique instance.

Definition at line 191 of file Operand.hh.

swap_

std::set<int> NullOperand::swap_

private

Needed for one method, always empty.

Definition at line 194 of file Operand.hh.

Referenced by swap().

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

• Operand.hh
• Operand.cc