engine
Class RegisterDescription

java.lang.Object
  |
  +--engine.Symbol
        |
        +--engine.RegisterDescription

Direct Known Subclasses:

IntegerDescription

class RegisterDescription

extends Symbol

implements MemoryDescription

Contains alll the infomation about a register or integer, or a memory of the above types.

See Also:

Serialized Form

Field Summary

(package private) ExpressionDescription	arrayEnd
(package private) ExpressionDescription	arrayStart
(package private) ExpressionDescription	lsb
(package private) ExpressionDescription	msb
(package private) int	nEnd
(package private) int	nMemEnd
(package private) int	nMemStart
(package private) int	nStart
(package private) boolean	sign This makes the difference beteween reg and integer.

Fields inherited from class engine.Symbol

blockType, connType, funcType, intType, lineNo, moduleArType, moduleType, name, paramType, portType, realType, regType, taskType, udpType, wireType

Constructor Summary

(package private)	RegisterDescription(java.lang.String name, int lineNo, ExpressionDescription msb, ExpressionDescription lsb, ExpressionDescription arrayStart, ExpressionDescription arrayEnd)
(package private)	RegisterDescription(java.lang.String name, int lineNo, ExpressionDescription msb, ExpressionDescription lsb, ExpressionDescription arrayStart, ExpressionDescription arrayEnd, boolean sign)

Method Summary

int	getArrayEnd()
int	getArrayStart()
int	getType()
java.lang.Object	instantiate(NameSpace ns, ScopeNode thisScope)
boolean	isMemory()
void	setRange(int nStart, int nEnd)

Methods inherited from class engine.Symbol

toString

Methods inherited from class java.lang.Object

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

Field Detail

nStart

int nStart

nEnd

int nEnd

nMemStart

int nMemStart

nMemEnd

int nMemEnd

msb

ExpressionDescription msb

lsb

ExpressionDescription lsb

arrayStart

ExpressionDescription arrayStart

arrayEnd

ExpressionDescription arrayEnd

sign

boolean sign

This makes the difference beteween reg and integer.

Constructor Detail

RegisterDescription

RegisterDescription(java.lang.String name,
                    int lineNo,
                    ExpressionDescription msb,
                    ExpressionDescription lsb,
                    ExpressionDescription arrayStart,
                    ExpressionDescription arrayEnd)

RegisterDescription

RegisterDescription(java.lang.String name,
                    int lineNo,
                    ExpressionDescription msb,
                    ExpressionDescription lsb,
                    ExpressionDescription arrayStart,
                    ExpressionDescription arrayEnd,
                    boolean sign)

Method Detail

setRange

public void setRange(int nStart,
                     int nEnd)

instantiate

public java.lang.Object instantiate(NameSpace ns,
                                    ScopeNode thisScope)
                             throws ParseException

Overrides:

instantiate in class Symbol

getArrayStart

public int getArrayStart()

Specified by:

getArrayStart in interface MemoryDescription

getArrayEnd

public int getArrayEnd()

Specified by:

getArrayEnd in interface MemoryDescription

getType

public int getType()

Overrides:

getType in class Symbol

isMemory

public boolean isMemory()

Specified by:

isMemory in interface MemoryDescription