edu.cmu.emulator
Class Symbol

java.lang.Object
  edu.cmu.emulator.Symbol

Direct Known Subclasses:

CodeSymbol, DataSymbol

public class Symbol
extends Object

Field Summary

(package private) int	address Address in data / instruction memory
(package private) boolean	defined
(package private) boolean	forwardRef Is this ref'd before def'd.
(package private) Vector	forwardReferences List of operands in memory we need to update after seeing def
(package private) String	name

Constructor Summary

Symbol(String name)

Method Summary

void	addForwardReference(int address)
int	getAddress()
Vector	getForwardReferences()
boolean	isDefined()
boolean	isForwardReference()
void	setAddress(int address)
void	setIsDefined(boolean defined)
void	setIsForwardReference(boolean forwardRef)
String	toString()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail

name

String name

address

int address

Address in data / instruction memory

forwardRef

boolean forwardRef

Is this ref'd before def'd.

defined

boolean defined

forwardReferences

Vector forwardReferences

List of operands in memory we need to update after seeing def

Constructor Detail

Symbol

public Symbol(String name)

Method Detail

getAddress

public int getAddress()

setAddress

public void setAddress(int address)

isForwardReference

public boolean isForwardReference()

setIsForwardReference

public void setIsForwardReference(boolean forwardRef)

addForwardReference

public void addForwardReference(int address)

getForwardReferences

public Vector getForwardReferences()

isDefined

public boolean isDefined()

setIsDefined

public void setIsDefined(boolean defined)

toString

public String toString()

Overrides:

toString in class Object