#include <NullAddress.hh>

Inheritance diagram for TTAProgram::NullAddress:

Collaboration diagram for TTAProgram::NullAddress:

Public Member Functions
virtual	~NullAddress ()

UIntWord	location () const

const TTAMachine::AddressSpace &	space () const

Public Member Functions inherited from TTAProgram::Address
	Address (InstructionAddress location, const TTAMachine::AddressSpace &space)

	~Address ()

InstructionAddress	location () const

const TTAMachine::AddressSpace &	space () const

bool	operator== (const Address &other) const

bool	operator!= (const Address &other) const

bool	operator< (const Address &addr) const

Static Public Member Functions
static NullAddress &	instance ()

Protected Member Functions
	NullAddress ()

Private Member Functions
	NullAddress (const NullAddress &)
	Copying not allowed.

NullAddress &	operator= (const NullAddress &)
	Assignment not allowed.

Static Private Attributes
static NullAddress	instance_

Detailed Description

A singleton class that represents a null address.

Calling any method causes the program to abort.

Definition at line 45 of file NullAddress.hh.

Constructor & Destructor Documentation

◆ ~NullAddress()

TTAProgram::NullAddress::~NullAddress ( )

virtual

The destructor.

Definition at line 56 of file NullAddress.cc.

56 {

57}

◆ NullAddress() [1/2]

TTAProgram::NullAddress::NullAddress ( )

protected

The constructor.

Definition at line 49 of file NullAddress.cc.

                         :
    Address(0, NullAddressSpace::instance()) {
}

◆ NullAddress() [2/2]

TTAProgram::NullAddress::NullAddress ( const NullAddress & )

private

Copying not allowed.

Member Function Documentation

◆ instance()

NullAddress & TTAProgram::NullAddress::instance ( )

static

Returns an instance of NullAddress class (singleton).

Returns: Singleton instance of NullAddress class.

Definition at line 65 of file NullAddress.cc.

                      {
    return instance_;
}

References instance_.

Referenced by TTAProgram::NullInstruction::address(), TTAProgram::NullProcedure::address(), TTAProgram::NullProcedure::endAddress(), TTAProgram::NullProgram::entryAddress(), TTAProgram::NullProcedure::startAddress(), and TTAProgram::NullProgram::startAddress().

◆ location()

UIntWord TTAProgram::NullAddress::location ( ) const

Aborts program with error log message.

Returns: 0.

Definition at line 75 of file NullAddress.cc.

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

References abortWithError.

◆ operator=()

NullAddress & TTAProgram::NullAddress::operator= ( const NullAddress & )

private

Assignment not allowed.

◆ space()

const AddressSpace & TTAProgram::NullAddress::space ( ) const

Aborts program with error log message.

Returns: A null address space.

Definition at line 86 of file NullAddress.cc.

                         {
    abortWithError("space()");
    return NullAddressSpace::instance();
}

References abortWithError, and TTAMachine::NullAddressSpace::instance().

Here is the call graph for this function:

Member Data Documentation

◆ instance_

NullAddress TTAProgram::NullAddress::instance_

staticprivate

Definition at line 62 of file NullAddress.hh.

Referenced by instance().

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

Public Member Functions

Static Public Member Functions

Protected Member Functions

Private Member Functions

Static Private Attributes