001/*
002 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
003 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
004 *
005 * This code is free software; you can redistribute it and/or modify it
006 * under the terms of the GNU General Public License version 2 only, as
007 * published by the Free Software Foundation.
008 *
009 * This code is distributed in the hope that it will be useful, but WITHOUT
010 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
011 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
012 * version 2 for more details (a copy is included in the LICENSE file that
013 * accompanied this code).
014 *
015 * You should have received a copy of the GNU General Public License version
016 * 2 along with this work; if not, write to the Free Software Foundation,
017 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
018 *
019 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
020 * or visit www.oracle.com if you need additional information or have any
021 * questions.
022 */
023package com.oracle.graal.graph;
024
025import static com.oracle.graal.graph.Edges.Type.*;
026
027import java.util.*;
028
029import com.oracle.graal.graph.NodeClass.InputInfo;
030import com.oracle.graal.nodeinfo.*;
031
032public final class InputEdges extends Edges {
033
034    private final InputType[] inputTypes;
035    private final boolean[] isOptional;
036
037    public InputEdges(int directCount, ArrayList<InputInfo> edges) {
038        super(Inputs, directCount, edges);
039
040        this.inputTypes = new InputType[edges.size()];
041        this.isOptional = new boolean[edges.size()];
042        for (int i = 0; i < edges.size(); i++) {
043            this.inputTypes[i] = edges.get(i).inputType;
044            this.isOptional[i] = edges.get(i).optional;
045        }
046    }
047
048    public static void translateInto(InputEdges inputs, ArrayList<InputInfo> infos) {
049        for (int index = 0; index < inputs.getCount(); index++) {
050            infos.add(new InputInfo(inputs.offsets[index], inputs.getName(index), inputs.getType(index), inputs.getDeclaringClass(index), inputs.inputTypes[index], inputs.isOptional(index)));
051        }
052    }
053
054    public InputType getInputType(int index) {
055        return inputTypes[index];
056    }
057
058    public boolean isOptional(int index) {
059        return isOptional[index];
060    }
061
062    @Override
063    public void update(Node node, Node oldValue, Node newValue) {
064        node.updateUsages(oldValue, newValue);
065    }
066}