1 /*
   2  * Copyright (c) 2014, 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.graph;
  24 
  25 import static org.graalvm.compiler.graph.Edges.Type.Inputs;
  26 
  27 import java.util.ArrayList;
  28 
  29 import org.graalvm.compiler.graph.NodeClass.InputInfo;
  30 import org.graalvm.compiler.nodeinfo.InputType;
  31 
  32 public final class InputEdges extends Edges {
  33 
  34     private final InputType[] inputTypes;
  35     private final boolean[] isOptional;
  36 
  37     public InputEdges(int directCount, ArrayList<InputInfo> edges) {
  38         super(Inputs, directCount, edges);
  39 
  40         this.inputTypes = new InputType[edges.size()];
  41         this.isOptional = new boolean[edges.size()];
  42         for (int i = 0; i < edges.size(); i++) {
  43             this.inputTypes[i] = edges.get(i).inputType;
  44             this.isOptional[i] = edges.get(i).optional;
  45         }
  46     }
  47 
  48     public static void translateInto(InputEdges inputs, ArrayList<InputInfo> infos) {
  49         for (int index = 0; index < inputs.getCount(); index++) {
  50             infos.add(new InputInfo(inputs.offsets[index], inputs.getName(index), inputs.getType(index), inputs.getDeclaringClass(index), inputs.inputTypes[index], inputs.isOptional(index)));
  51         }
  52     }
  53 
  54     public InputType getInputType(int index) {
  55         return inputTypes[index];
  56     }
  57 
  58     public boolean isOptional(int index) {
  59         return isOptional[index];
  60     }
  61 
  62     @Override
  63     public void update(Node node, Node oldValue, Node newValue) {
  64         node.updateUsages(oldValue, newValue);
  65     }
  66 }