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