| /* |
| * Copyright (c) 2016, 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 org.graalvm.compiler.core.common.alloc; |
| |
| import java.util.ArrayList; |
| import java.util.Arrays; |
| import java.util.Collection; |
| |
| import org.graalvm.compiler.core.common.cfg.AbstractBlockBase; |
| |
| /** |
| * Represents a list of sequentially executed {@code AbstractBlockBase blocks}. |
| */ |
| public class Trace { |
| private final AbstractBlockBase<?>[] blocks; |
| private final ArrayList<Trace> successors; |
| private int id = -1; |
| |
| public Trace(Collection<AbstractBlockBase<?>> blocks) { |
| this(blocks.toArray(new AbstractBlockBase<?>[0])); |
| } |
| |
| public Trace(AbstractBlockBase<?>[] blocks) { |
| this.blocks = blocks; |
| this.successors = new ArrayList<>(); |
| } |
| |
| public AbstractBlockBase<?>[] getBlocks() { |
| return blocks; |
| } |
| |
| public ArrayList<Trace> getSuccessors() { |
| return successors; |
| } |
| |
| public int size() { |
| return getBlocks().length; |
| } |
| |
| @Override |
| public String toString() { |
| return "Trace" + Arrays.toString(blocks); |
| } |
| |
| public int getId() { |
| assert id != -1 : "id not initialized!"; |
| return id; |
| } |
| |
| void setId(int id) { |
| this.id = id; |
| } |
| } |