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/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
package org.mozilla.javascript.ast;
import org.mozilla.javascript.Token;
/**
* Do statement. Node type is {@link Token#DO}.
*
*
DoLoop:
* do Statement while ( Expression ) ;
*/
public class DoLoop extends Loop {
private AstNode condition;
private int whilePosition = -1;
{
type = Token.DO;
}
public DoLoop() {
}
public DoLoop(int pos) {
super(pos);
}
public DoLoop(int pos, int len) {
super(pos, len);
}
/**
* Returns loop condition
*/
public AstNode getCondition() {
return condition;
}
/**
* Sets loop condition, and sets its parent to this node.
* @throws IllegalArgumentException if condition is null
*/
public void setCondition(AstNode condition) {
assertNotNull(condition);
this.condition = condition;
condition.setParent(this);
}
/**
* Returns source position of "while" keyword
*/
public int getWhilePosition() {
return whilePosition;
}
/**
* Sets source position of "while" keyword
*/
public void setWhilePosition(int whilePosition) {
this.whilePosition = whilePosition;
}
@Override
public String toSource(int depth) {
StringBuilder sb = new StringBuilder();
sb.append(makeIndent(depth));
sb.append("do ");
sb.append(body.toSource(depth).trim());
sb.append(" while (");
sb.append(condition.toSource(0));
sb.append(");\n");
return sb.toString();
}
/**
* Visits this node, the body, and then the while-expression.
*/
@Override
public void visit(NodeVisitor v) {
if (v.visit(this)) {
body.visit(v);
condition.visit(v);
}
}
}