/*
* Copyright 2012-2014 Institut National des Sciences Appliquées de Lyon (INSA-Lyon)
*
* Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package fr.insalyon.citi.golo.compiler.ir;
import fr.insalyon.citi.golo.compiler.parser.GoloASTNode;
import java.lang.ref.WeakReference;
public class GoloElement {
private WeakReference<GoloASTNode> nodeRef;
public void setASTNode(GoloASTNode node) {
nodeRef = new WeakReference<>(node);
}
public GoloASTNode getASTNode() {
return nodeRef.get();
}
public boolean hasASTNode() {
return (nodeRef != null) && (nodeRef.get() != null);
}
public PositionInSourceCode getPositionInSourceCode() {
GoloASTNode node = getASTNode();
if (node == null) {
return new PositionInSourceCode(0, 0);
}
return new PositionInSourceCode(node.jjtGetFirstToken().beginLine, node.jjtGetFirstToken().beginColumn);
}
}