org.teatrove.tea.parsetree
Class VariableRef

java.lang.Object
  org.teatrove.tea.parsetree.Node
      org.teatrove.tea.parsetree.Expression
          org.teatrove.tea.parsetree.VariableRef

All Implemented Interfaces:

Serializable, Cloneable, NullSafe

public class VariableRef
extends Expression
implements NullSafe

VariableRef is used to reference declared Variables.

Author:

Brian S O'Neill

See Also:

Variable, Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.teatrove.tea.parsetree.Expression

Expression.Conversion

Constructor Summary

VariableRef(SourceInfo info, String name)

Method Summary

Object	accept(NodeVisitor visitor) Every subclass of Node must override this method with the following: return visitor.visit(this).
boolean	equals(Object other)
String	getName()
Variable	getVariable()
int	hashCode()
boolean	isNullSafe()
void	setNullSafe(boolean nullSafe)
void	setVariable(Variable var) Setting the variable resets the VariableRef's initial type, but does not clear any type conversions.

Methods inherited from class org.teatrove.tea.parsetree.Expression

clone, convertTo, convertTo, forceConversion, getConversionChain, getInitialType, getType, getValue, isExceptionPossible, isValueKnown, setInitialType, setType

Methods inherited from class org.teatrove.tea.parsetree.Node

getSourceInfo, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

VariableRef

public VariableRef(SourceInfo info,
                   String name)

Method Detail

accept

public Object accept(NodeVisitor visitor)

Description copied from class: Node

Every subclass of Node must override this method with the following: return visitor.visit(this).

Overrides:

accept in class Expression

Parameters:

visitor - A visitor of this Node

Returns:

Node The Node returned by the visitor

See Also:

NodeVisitor

getName

public String getName()

getVariable

public Variable getVariable()

setVariable

public void setVariable(Variable var)

Setting the variable resets the VariableRef's initial type, but does not clear any type conversions.

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object other)

Overrides:

equals in class Object

isNullSafe

public boolean isNullSafe()

Specified by:

isNullSafe in interface NullSafe

setNullSafe

public void setNullSafe(boolean nullSafe)

Specified by:

setNullSafe in interface NullSafe