/*
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 * Version: EPL 2.0/GPL 2.0/LGPL 2.1
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 * The contents of this file are subject to the Eclipse Public
 * License Version 2.0 (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.eclipse.org/legal/epl-v20.html
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 * Software distributed under the License is distributed on an "AS
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 * implied. See the License for the specific language governing
 * rights and limitations under the License.
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 * Copyright (C) 2001 Chad Fowler <chadfowler@chadfowler.com>
 * Copyright (C) 2001-2002 Benoit Cerrina <b.cerrina@wanadoo.fr>
 * Copyright (C) 2001-2002 Jan Arne Petersen <jpetersen@uni-bonn.de>
 * Copyright (C) 2002-2004 Anders Bengtsson <ndrsbngtssn@yahoo.se>
 * Copyright (C) 2004 Thomas E Enebo <enebo@acm.org>
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package org.jruby.ast;

import java.util.List;

import org.jruby.ast.visitor.NodeVisitor;
import org.jruby.lexer.yacc.ISourcePosition;

an 'if' statement.
/** * an 'if' statement. */
public class IfNode extends Node { private final Node condition; private final Node thenBody; private final Node elseBody; public IfNode(ISourcePosition position, Node condition, Node thenBody, Node elseBody) { super(position, condition.containsVariableAssignment || thenBody != null && thenBody.containsVariableAssignment || elseBody != null && elseBody.containsVariableAssignment); assert condition != null : "condition is not null"; this.condition = condition; this.thenBody = thenBody; this.elseBody = elseBody; } public NodeType getNodeType() { return NodeType.IFNODE; }
Accept for the visitor pattern.
Params:
  • iVisitor – the visitor
/** * Accept for the visitor pattern. * @param iVisitor the visitor **/
public <T> T accept(NodeVisitor<T> iVisitor) { return iVisitor.visitIfNode(this); }
Gets the condition.
Returns:Returns a Node
/** * Gets the condition. * @return Returns a Node */
public Node getCondition() { return condition; }
Gets the elseBody.
Returns:Returns a Node
/** * Gets the elseBody. * @return Returns a Node */
public Node getElseBody() { return elseBody; }
Gets the thenBody.
Returns:Returns a Node
/** * Gets the thenBody. * @return Returns a Node */
public Node getThenBody() { return thenBody; } public List<Node> childNodes() { return Node.createList(condition, thenBody, elseBody); } }