koala.dynamicjava.tree
Class WhileStatement

java.lang.Object
  |
  +--koala.dynamicjava.tree.Node
        |
        +--koala.dynamicjava.tree.Statement
              |
              +--koala.dynamicjava.tree.WhileStatement

All Implemented Interfaces:

ContinueTarget

public class WhileStatement

extends Statement

implements ContinueTarget

This class represents the while statement nodes of the syntax tree

Field Summary

static java.lang.String	BODY The body property name
static java.lang.String	CONDITION The condition property name

Fields inherited from class koala.dynamicjava.tree.Node

BEGIN_COLUMN, BEGIN_LINE, END_COLUMN, END_LINE, FILENAME

Constructor Summary

WhileStatement(Expression cond, Node body)
Creates a new while statement

WhileStatement(Expression cond, Node body, java.lang.String fn, int bl, int bc, int el, int ec)
Creates a new while statement

Method Summary

java.lang.Object	acceptVisitor(Visitor visitor) Allows a visitor to traverse the tree
void	addLabel(java.lang.String label) Adds a label to this statement
Node	getBody() Returns the body of this statement
Expression	getCondition() Gets the condition to evaluate at each loop
boolean	hasLabel(java.lang.String label) Test whether this statement has the given label
void	setBody(Node node) Sets the body of this statement
void	setCondition(Expression e) Sets the condition to evaluate

Methods inherited from class koala.dynamicjava.tree.Node

addPropertyChangeListener, addPropertyChangeListener, firePropertyChange, firePropertyChange, firePropertyChange, getBeginColumn, getBeginLine, getEndColumn, getEndLine, getFilename, getProperties, getProperty, hasProperty, removePropertyChangeListener, removePropertyChangeListener, setBeginColumn, setBeginLine, setEndColumn, setEndLine, setFilename, setProperty

Methods inherited from class java.lang.Object

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

Field Detail

CONDITION

public static final java.lang.String CONDITION

The condition property name

BODY

public static final java.lang.String BODY

The body property name

Constructor Detail

WhileStatement

public WhileStatement(Expression cond,
                      Node body)

Creates a new while statement

Parameters:

cond - the condition to evaluate at each loop

body - the body

Throws:

java.lang.IllegalArgumentException - if cond is null or body is null

WhileStatement

public WhileStatement(Expression cond,
                      Node body,
                      java.lang.String fn,
                      int bl,
                      int bc,
                      int el,
                      int ec)

Creates a new while statement

Parameters:

cond - the condition to evaluate at each loop

body - the body

fn - the filename

bl - the begin line

bc - the begin column

el - the end line

ec - the end column

Throws:

java.lang.IllegalArgumentException - if cond is null or body is null

Method Detail

getCondition

public Expression getCondition()

Gets the condition to evaluate at each loop

setCondition

public void setCondition(Expression e)

Sets the condition to evaluate

Throws:

java.lang.IllegalArgumentException - if e is null

getBody

public Node getBody()

Returns the body of this statement

setBody

public void setBody(Node node)

Sets the body of this statement

Throws:

java.lang.IllegalArgumentException - if node is null

addLabel

public void addLabel(java.lang.String label)

Adds a label to this statement

Specified by:

addLabel in interface ContinueTarget

Parameters:

label - the label to add

Throws:

java.lang.IllegalArgumentException - if label is null

hasLabel

public boolean hasLabel(java.lang.String label)

Test whether this statement has the given label

Specified by:

hasLabel in interface ContinueTarget

Returns:

true if this statement has the given label

acceptVisitor

public java.lang.Object acceptVisitor(Visitor visitor)

Allows a visitor to traverse the tree

Overrides:

acceptVisitor in class Node

Parameters:

visitor - the visitor to accept