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1 /*******************************************************************************
2  *  Copyright (c) 2010 Association for Decentralized Information Management in
3  *  Industry THTH ry.
4  *  All rights reserved. This program and the accompanying materials
5  *  are made available under the terms of the Eclipse Public License v1.0
6  *  which accompanies this distribution, and is available at
7  *  http://www.eclipse.org/legal/epl-v10.html
8  *
9  *  Contributors:
10  *      VTT Technical Research Centre of Finland - initial API and implementation
11  *******************************************************************************/
12 package org.simantics.spreadsheet.graph.parser.ast;
13
14 public class AstRelation implements AstValue {
15
16         public AstValue left;
17         public String op;
18         public AstValue right;
19
20         public AstRelation(AstValue left) {
21                 this.left = left;
22         }
23         
24         public void setRight(String op, AstValue right) {
25                 this.op = op.trim();
26                 this.right = right;
27         }
28         
29         @Override
30         public <T> T accept(AstValueVisitor<T> v) {
31                 return v.visit(this);
32         }
33
34         public AstValue simplify() {
35                 if(right == null) return left;
36                 else return this;
37         }
38         
39 }