001/*
002 * Copyright (c) 2015, 2015, 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.nodes;
024
025import java.util.*;
026
027import jdk.internal.jvmci.meta.*;
028
029import com.oracle.graal.graph.*;
030
031/**
032 * A {@link StructuredGraph} encoded in a compact binary representation as a byte[] array. See
033 * {@link GraphEncoder} for a description of the encoding format. Use {@link GraphDecoder} for
034 * decoding.
035 */
036public class EncodedGraph {
037
038    private final byte[] encoding;
039    private final long startOffset;
040    private final Object[] objects;
041    private final NodeClass<?>[] types;
042    private final Assumptions assumptions;
043    private final Set<ResolvedJavaMethod> inlinedMethods;
044
045    /**
046     * The "table of contents" of the encoded graph, i.e., the mapping from orderId numbers to the
047     * offset in the encoded byte[] array. Used as a cache during decoding.
048     */
049    protected long[] nodeStartOffsets;
050
051    public EncodedGraph(byte[] encoding, long startOffset, Object[] objects, NodeClass<?>[] types, Assumptions assumptions, Set<ResolvedJavaMethod> inlinedMethods) {
052        this.encoding = encoding;
053        this.startOffset = startOffset;
054        this.objects = objects;
055        this.types = types;
056        this.assumptions = assumptions;
057        this.inlinedMethods = inlinedMethods;
058    }
059
060    public byte[] getEncoding() {
061        return encoding;
062    }
063
064    public long getStartOffset() {
065        return startOffset;
066    }
067
068    public Object[] getObjects() {
069        return objects;
070    }
071
072    public NodeClass<?>[] getNodeClasses() {
073        return types;
074    }
075
076    public Assumptions getAssumptions() {
077        return assumptions;
078    }
079
080    public Set<ResolvedJavaMethod> getInlinedMethods() {
081        return inlinedMethods;
082    }
083}