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.

Field Summary

Fields
Modifier and Type Field Description

private Location location

private int slot

private int usages

Constructor Summary

Constructors
Constructor Description

VariableInfo(Location location)

Method Summary

All Methods Instance Methods Abstract Methods Concrete Methods
Modifier and Type	Method	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

Field Detail

slot
```
private int slot
```

location
```
private Location location
```

usages
```
private int usages
```

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.