001/*
002 * Copyright (c) 2013, 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.truffle;
024
025import java.util.*;
026
027public final class TruffleInliningDecision extends TruffleInlining implements Comparable<TruffleInliningDecision> {
028
029    private final OptimizedCallTarget target;
030    private final TruffleInliningProfile profile;
031    private boolean inline;
032
033    public TruffleInliningDecision(OptimizedCallTarget target, TruffleInliningProfile profile, List<TruffleInliningDecision> children) {
034        super(children);
035        this.target = target;
036        this.profile = profile;
037    }
038
039    public OptimizedCallTarget getTarget() {
040        return target;
041    }
042
043    void setInline(boolean inline) {
044        this.inline = inline;
045    }
046
047    public boolean isInline() {
048        return inline;
049    }
050
051    public TruffleInliningProfile getProfile() {
052        return profile;
053    }
054
055    public int compareTo(TruffleInliningDecision o) {
056        return Double.compare(o.getProfile().getScore(), getProfile().getScore());
057    }
058
059    public boolean isSameAs(TruffleInliningDecision other) {
060        if (getTarget() != other.getTarget()) {
061            return false;
062        } else if (isInline() != other.isInline()) {
063            return false;
064        } else if (!isInline()) {
065            assert !other.isInline();
066            return true;
067        } else {
068            Iterator<TruffleInliningDecision> i1 = iterator();
069            Iterator<TruffleInliningDecision> i2 = other.iterator();
070            while (i1.hasNext() && i2.hasNext()) {
071                if (!i1.next().isSameAs(i2.next())) {
072                    return false;
073                }
074            }
075            return !i1.hasNext() && !i2.hasNext();
076        }
077    }
078
079    @Override
080    public String toString() {
081        return String.format("TruffleInliningDecision(callNode=%s, inline=%b)", profile.getCallNode(), inline);
082    }
083
084}