/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Steve Yegge
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.javascript.ast;
/**
* Abstract base type for loops.
*/
public abstract class Loop extends Scope {
protected AstNode body;
protected int lp = -1;
protected int rp = -1;
public Loop() {
}
public Loop(int pos) {
super(pos);
}
public Loop(int pos, int len) {
super(pos, len);
}
/**
* Returns loop body
*/
public AstNode getBody() {
return body;
}
/**
* Sets loop body. Sets the parent of the body to this loop node,
* and updates its offset to be relative. Extends the length of this
* node to include the body.
*/
public void setBody(AstNode body) {
this.body = body;
int end = body.getPosition() + body.getLength();
this.setLength(end - this.getPosition());
body.setParent(this);
}
/**
* Returns left paren position, -1 if missing
*/
public int getLp() {
return lp;
}
/**
* Sets left paren position
*/
public void setLp(int lp) {
this.lp = lp;
}
/**
* Returns right paren position, -1 if missing
*/
public int getRp() {
return rp;
}
/**
* Sets right paren position
*/
public void setRp(int rp) {
this.rp = rp;
}
/**
* Sets both paren positions
*/
public void setParens(int lp, int rp) {
this.lp = lp;
this.rp = rp;
}
}