1 /*
   2  * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package org.graalvm.compiler.nodes;
  24 
  25 import static org.graalvm.compiler.nodeinfo.NodeCycles.CYCLES_0;
  26 import static org.graalvm.compiler.nodeinfo.NodeSize.SIZE_1;
  27 
  28 import org.graalvm.compiler.core.common.type.Stamp;
  29 import org.graalvm.compiler.graph.NodeClass;
  30 import org.graalvm.compiler.nodeinfo.NodeInfo;
  31 import org.graalvm.compiler.nodeinfo.Verbosity;
  32 import org.graalvm.compiler.nodes.calc.FloatingNode;
  33 
  34 @NodeInfo(cycles = CYCLES_0, size = SIZE_1)
  35 public abstract class AbstractLocalNode extends FloatingNode {
  36 
  37     public static final NodeClass<AbstractLocalNode> TYPE = NodeClass.create(AbstractLocalNode.class);
  38     protected final int index;
  39 
  40     protected AbstractLocalNode(NodeClass<? extends AbstractLocalNode> c, int index, Stamp stamp) {
  41         super(c, stamp);
  42         this.index = index;
  43     }
  44 
  45     /**
  46      * Gets the index of this local in the array of parameters. This is NOT the JVM local index.
  47      *
  48      * @return the index
  49      */
  50     public int index() {
  51         return index;
  52     }
  53 
  54     @Override
  55     public String toString(Verbosity verbosity) {
  56         if (verbosity == Verbosity.Name) {
  57             return super.toString(Verbosity.Name) + "(" + index + ")";
  58         } else {
  59             return super.toString(verbosity);
  60         }
  61     }
  62 }