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/**
* The WhileStatement class presents while statement node
* of parse tree
*
* Jun 20, 1997 by mich
* Sep 29, 1997 by mich
* Oct 11, 1997 by mich
*
* @see io.devnulllabs.openjava.ptree.ParseTree
* @version 1.0 last updated: Oct 11, 1997
* @author Michiaki Tatsubori
*/
package io.devnulllabs.openjava.ptree;
import io.devnulllabs.openjava.ptree.util.ParseTreeVisitor;
/**
* The WhileStatement class presents while statement node
* of parse tree
*
* @see io.devnulllabs.openjava.ptree.ParseTree
* @see io.devnulllabs.openjava.ptree.NonLeaf
* @see io.devnulllabs.openjava.ptree.Statement
*/
public class WhileStatement extends NonLeaf implements Statement, ParseTree {
/**
* Allocates a new object.
*
* @param expr the expression of the condition of this while
* statement.
* @param stmts the statement list of the body oof this while
* statement.
*/
public WhileStatement(Expression expr, StatementList stmts) {
super();
set((ParseTree) expr, (ParseTree) stmts);
}
WhileStatement() {
super();
}
/**
* Gets the condtion of this while statement.
*
* @return the expression of the condtion.
*/
public Expression getExpression() {
return (Expression) elementAt(0);
}
/**
* Sets the condtion of this while statement.
*
* @param expr the expression of the condtion to set.
*/
public void setExpression(Expression expr) {
setElementAt(expr, 0);
}
/**
* Gets the body of this while statement.
*
* @return the statement list of the body.
*/
public StatementList getStatements() {
return (StatementList) elementAt(1);
}
/**
* Sets the body of this while statement.
*
* @param stmts the statement list of the body to set.
*/
public void setStatements(StatementList stmts) {
setElementAt(stmts, 1);
}
public void accept(ParseTreeVisitor v) throws ParseTreeException {
v.visit(this);
}
}
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