koala.dynamicjava.tree
Class Literal

java.lang.Object
  koala.dynamicjava.tree.Node
      koala.dynamicjava.tree.Expression
          koala.dynamicjava.tree.PrimaryExpression
              koala.dynamicjava.tree.Literal

All Implemented Interfaces:

SourceInfo.Wrapper

Direct Known Subclasses:

BooleanLiteral, CharacterLiteral, DoubleLiteral, FloatLiteral, IntegerLiteral, LongLiteral, NullLiteral, StringLiteral

public abstract class Literal
extends PrimaryExpression

This class represents the literal nodes of the syntax tree

Version:

1.0 - 1999/04/24

Author:

Stephane Hillion

Constructor Summary

protected

Literal(String rep, Object val, Class<?> typ, SourceInfo si) Initializes a literal

Method Summary

<T> T	acceptVisitor(Visitor<T> visitor) Allows a visitor to traverse the tree
String	getRepresentation() Returns the representation of this object
Class<?>	getType() Returns the type of this expression.
Object	getValue() Returns the value of this expression
void	setRepresentation(String s) Sets the representation of this object
void	setType(Class<?> c) Sets the type of this object
void	setValue(Object o) Sets the value of this object
String	toString() Implementation of toString for use in unit testing

Methods inherited from class koala.dynamicjava.tree.Node

archiveProperties, getProperties, getProperty, getSourceInfo, hasProperty, setProperty, setSourceInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

Literal

protected Literal(String rep,
                  Object val,
                  Class<?> typ,
                  SourceInfo si)

Initializes a literal

Parameters:

rep - the representation of the literal

val - the value of this literal

typ - the type of this literal

Throws:

IllegalArgumentException - if rep is null

Method Detail

getRepresentation

public String getRepresentation()

Returns the representation of this object

setRepresentation

public void setRepresentation(String s)

Sets the representation of this object

Throws:

IllegalArgumentException - if s is null

getValue

public Object getValue()

Returns the value of this expression

setValue

public void setValue(Object o)

Sets the value of this object

Throws:

IllegalArgumentException - if o is null

getType

public Class<?> getType()

Returns the type of this expression. NOTE: the 'null' literal has a null type

setType

public void setType(Class<?> c)

Sets the type of this object

acceptVisitor

public <T> T acceptVisitor(Visitor<T> visitor)

Allows a visitor to traverse the tree

Specified by:

acceptVisitor in class Node

Parameters:

visitor - the visitor to accept

toString

public String toString()

Implementation of toString for use in unit testing

Overrides:

toString in class Object