001/*
002 * Copyright (c) 2011, 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 jdk.internal.jvmci.meta;
024
025public class LineNumberTableImpl implements LineNumberTable {
026
027    private final int[] lineNumbers;
028    private final int[] bci;
029
030    public LineNumberTableImpl(int[] lineNumbers, int[] bci) {
031        this.lineNumbers = lineNumbers;
032        this.bci = bci;
033    }
034
035    @Override
036    public int[] getLineNumberEntries() {
037        return lineNumbers;
038    }
039
040    @Override
041    public int[] getBciEntries() {
042        return bci;
043    }
044
045    @Override
046    public int getLineNumber(@SuppressWarnings("hiding") int bci) {
047        for (int i = 0; i < this.bci.length - 1; i++) {
048            if (this.bci[i] <= bci && bci < this.bci[i + 1]) {
049                return lineNumbers[i];
050            }
051        }
052        return lineNumbers[lineNumbers.length - 1];
053    }
054}