org.mozilla.javascript.ast.ParenthesizedExpression Maven / Gradle / Ivy
/* -*- 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;
/**
* AST node for a parenthesized expression.
* Node type is {@link Token#LP}.
*/
public class ParenthesizedExpression extends AstNode {
private AstNode expression;
{
type = Token.LP;
}
public ParenthesizedExpression() {
}
public ParenthesizedExpression(int pos) {
super(pos);
}
public ParenthesizedExpression(int pos, int len) {
super(pos, len);
}
public ParenthesizedExpression(AstNode expr) {
this(expr != null ? expr.getPosition() : 0,
expr != null ? expr.getLength() : 1,
expr);
}
public ParenthesizedExpression(int pos, int len, AstNode expr) {
super(pos, len);
setExpression(expr);
}
/**
* Returns the expression between the parens
*/
public AstNode getExpression() {
return expression;
}
/**
* Sets the expression between the parens, and sets the parent
* to this node.
* @param expression the expression between the parens
* @throws IllegalArgumentException} if expression is {@code null}
*/
public void setExpression(AstNode expression) {
assertNotNull(expression);
this.expression = expression;
expression.setParent(this);
}
@Override
public String toSource(int depth) {
return makeIndent(depth) + "(" + expression.toSource(0) + ")";
}
/**
* Visits this node, then the child expression.
*/
@Override
public void visit(NodeVisitor v) {
if (v.visit(this)) {
expression.visit(v);
}
}
}