NullRegisterFileState Class Reference

#include <RegisterFileState.hh>

Inheritance diagram for NullRegisterFileState:

Collaboration diagram for NullRegisterFileState:

Public Member Functions
virtual	~NullRegisterFileState ()
virtual RegisterState &	registerState (int index)
Public Member Functions inherited from RegisterFileState
	RegisterFileState (int size, int width, bool zeroRegister=false)
virtual	~RegisterFileState ()
virtual std::size_t	registerCount () const

Static Public Member Functions
static NullRegisterFileState &	instance ()

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

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

Detailed Description

Models non-existing RegisterFileState.

Definition at line 78 of file RegisterFileState.hh.

Constructor & Destructor Documentation

~NullRegisterFileState()

NullRegisterFileState::~NullRegisterFileState ( )

virtual

Destructor.

Definition at line 127 of file RegisterFileState.cc.

                                              {
}

NullRegisterFileState() [1/2]

NullRegisterFileState::NullRegisterFileState ( )

private

Constructor.

Definition at line 121 of file RegisterFileState.cc.

                                             : RegisterFileState(0, 0) {
}

Referenced by instance().

NullRegisterFileState() [2/2]

NullRegisterFileState::NullRegisterFileState ( const NullRegisterFileState &  )

private

Copying not allowed.

Member Function Documentation

instance()

NullRegisterFileState & NullRegisterFileState::instance ( )

static

Returns the instance of NullRegisterFileState.

Returns

The instance of NullRegisterFileState.

Definition at line 111 of file RegisterFileState.cc.

                                {
    if (instance_ == NULL) {
        instance_ = new NullRegisterFileState();
    }
    return *instance_;
}

References instance_, and NullRegisterFileState().

Referenced by MachineStateBuilder::buildMachineState(), RFTestbenchGenerator::createStimulus(), SimProgramBuilder::processBidirTerminal(), and MachineState::registerFileState().

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operator=()

NullRegisterFileState& NullRegisterFileState::operator= ( const NullRegisterFileState &  )

private

Assignment not allowed.

registerState()

RegisterState & NullRegisterFileState::registerState ( int  index )

virtual

Aborts the program with error message.

Returns

Never returns.

Exceptions

OutOfRange

Never throws.

Reimplemented from RegisterFileState.

Definition at line 137 of file RegisterFileState.cc.

                                        {
    Application::abortWithError("registerState()");
    return NullRegisterState::instance();
}

References abortWithError, and NullRegisterState::instance().

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Member Data Documentation

instance_

NullRegisterFileState * NullRegisterFileState::instance_ = NULL

staticprivate

Unique instance of NullRegisterFileState.

Definition at line 94 of file RegisterFileState.hh.

Referenced by instance().

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

• RegisterFileState.hh
• RegisterFileState.cc