com.schibsted.spt.data.jslt.impl

Class VariableInfo

java.lang.Object

com.schibsted.spt.data.jslt.impl.VariableInfo

Direct Known Subclasses:

LetInfo, ParameterInfo

public abstract class VariableInfo
extends java.lang.Object

Class encapsulating what we know about a specific variable. Keeps track of the stack frame slot, but mostly used for optimizations.

Constructor Summary

Constructors

Constructor and Description
VariableInfo(Location location)

Method Summary

Modifier and Type	Method and Description
ExpressionNode	getDeclaration() The expression that computes this variable's value.
Location	getLocation()
abstract java.lang.String	getName()
int	getSlot()
int	getUsageCount()
void	incrementUsageCount()
boolean	isLet()
void	setSlot(int slot)

Methods inherited from class java.lang.Object

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

Constructor Detail

VariableInfo

public VariableInfo(Location location)

Method Detail

getName

public abstract java.lang.String getName()

setSlot

public void setSlot(int slot)

getSlot

public int getSlot()

getLocation

public Location getLocation()

incrementUsageCount

public void incrementUsageCount()

getUsageCount

public int getUsageCount()

isLet

public boolean isLet()

getDeclaration

public ExpressionNode getDeclaration()

The expression that computes this variable's value. null for parameters, because in that case we don't know the expression.