| /* |
| * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.vm.ci.meta; |
| |
| import java.util.*; |
| |
| public class LocalVariableTableImpl implements LocalVariableTable { |
| |
| private final Local[] locals; |
| |
| public LocalVariableTableImpl(Local[] locals) { |
| this.locals = locals; |
| } |
| |
| @Override |
| public Local getLocal(int slot, int bci) { |
| Local result = null; |
| for (Local local : locals) { |
| if (local.getSlot() == slot && local.getStartBCI() <= bci && local.getEndBCI() >= bci) { |
| if (result == null) { |
| result = local; |
| } else { |
| throw new IllegalStateException("Locals overlap!"); |
| } |
| } |
| } |
| return result; |
| } |
| |
| @Override |
| public Local[] getLocals() { |
| return locals; |
| } |
| |
| @Override |
| public Local[] getLocalsAt(int bci) { |
| List<Local> result = new ArrayList<>(); |
| for (Local l : locals) { |
| if (l.getStartBCI() <= bci && bci <= l.getEndBCI()) { |
| result.add(l); |
| } |
| } |
| return result.toArray(new Local[result.size()]); |
| } |
| |
| } |