OpenASIP 2.2
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Public Member Functions | Static Public Member Functions | Private Member Functions | Static Private Attributes | List of all members
NullPortState Class Reference

#include <PortState.hh>

Inheritance diagram for NullPortState:
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Collaboration diagram for NullPortState:
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Public Member Functions

virtual ~NullPortState ()
 
virtual void setValue (const SimValue &value)
 
virtual const SimValuevalue () const
 
virtual FUStateparent () const
 
- Public Member Functions inherited from PortState
 PortState (FUState &parent, int width)
 
 PortState (FUState &parent, SimValue &sharedRegister)
 
virtual ~PortState ()
 
- Public Member Functions inherited from RegisterState
 RegisterState (int width, bool constantZero=false)
 
 RegisterState (SimValue &sharedRegister)
 
virtual ~RegisterState ()
 
- Public Member Functions inherited from StateData
 StateData ()
 
virtual ~StateData ()
 
- Public Member Functions inherited from WritableState
 WritableState ()
 
virtual ~WritableState ()
 
- Public Member Functions inherited from ReadableState
 ReadableState ()
 
virtual ~ReadableState ()
 

Static Public Member Functions

static NullPortStateinstance ()
 

Private Member Functions

 NullPortState ()
 
 NullPortState (const NullPortState &)
 Copying not allowed.
 
NullPortStateoperator= (const NullPortState &)
 Assignment not allowed.
 

Static Private Attributes

static NullPortStateinstance_ = NULL
 Unique instance of NullPortState class.
 

Additional Inherited Members

- Protected Attributes inherited from PortState
FUStateparent_
 Parent of the port.
 
- Protected Attributes inherited from RegisterState
SimValuevalue_
 Value of the RegisterState.
 

Detailed Description

Models non-existing PortState.

Definition at line 76 of file PortState.hh.

Constructor & Destructor Documentation

◆ ~NullPortState()

NullPortState::~NullPortState ( )
virtual

Destructor.

Definition at line 112 of file PortState.cc.

112 {
113}

◆ NullPortState() [1/2]

NullPortState::NullPortState ( )
private

Constructor.

Definition at line 106 of file PortState.cc.

107}
static NullFUState & instance()
Definition FUState.cc:392

Referenced by instance().

◆ NullPortState() [2/2]

NullPortState::NullPortState ( const NullPortState )
private

Copying not allowed.

Member Function Documentation

◆ instance()

NullPortState & NullPortState::instance ( )
static

Returns the instance of NullPortState.

Returns
The instance of NullPortState.

Definition at line 96 of file PortState.cc.

96 {
97 if (instance_ == NULL) {
99 }
100 return *instance_;
101}
static NullPortState * instance_
Unique instance of NullPortState class.
Definition PortState.hh:94

References instance_, and NullPortState().

Referenced by MachineStateBuilder::addVirtualOpcodeSettingPortsToFU(), MachineStateBuilder::buildMachineState(), SimulatorFrontend::findPort(), FUTestbenchGenerator::parseFuPorts(), MachineState::portState(), and SimProgramBuilder::processBidirTerminal().

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◆ operator=()

NullPortState & NullPortState::operator= ( const NullPortState )
private

Assignment not allowed.

◆ parent()

FUState & NullPortState::parent ( ) const
virtual

Aborts the program with error message.

Returns
Never returns.

Reimplemented from PortState.

Definition at line 140 of file PortState.cc.

140 {
141 Application::abortWithError("parent()");
142 return NullFUState::instance();
143}

References NullFUState::instance().

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◆ setValue()

void NullPortState::setValue ( const SimValue value)
virtual

Aborts the program with error message.

Reimplemented from RegisterState.

Definition at line 119 of file PortState.cc.

119 {
120 Application::abortWithError("setValue()");
121}

◆ value()

const SimValue & NullPortState::value ( ) const
virtual

Aborts the program with error message.

Returns
Never returns.

Reimplemented from RegisterState.

Definition at line 129 of file PortState.cc.

129 {
130 Application::abortWithError("value()");
131 return NullSimValue::instance();
132}
static SimValue & instance()
Definition SimValue.cc:1642

References NullSimValue::instance().

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Member Data Documentation

◆ instance_

NullPortState * NullPortState::instance_ = NULL
staticprivate

Unique instance of NullPortState class.

Definition at line 94 of file PortState.hh.

Referenced by instance().


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