/* * Copyright (c) 1996, 2014, 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.openjdk.asmtools.jdis; import java.util.EnumSet; /** * */ public class Options { /*-------------------------------------------------------- */ /* Options Fields */ private static Options ref; static public enum PR { CP, // print Constant Pool LNT, // print Line Number table PC, // print Program Counter - for all instr LABS, // print Labels (as identifiers) CPX, // print CP indeX along with arguments SRC, // print Source Line as comment HEX, // print numbers as hexadecimals VAR, // print local variables declarations DEBUG; // Debug flag }; static private final EnumSet JASM = EnumSet.of(PR.LABS); // default options static private final EnumSet CODE = EnumSet.of( PR.CP, PR.LNT, PR.PC, PR.CPX, PR.VAR ); static private EnumSet printOptions = JASM; /*-------------------------------------------------------- */ private Options() { } public static Options OptionObject() { if (ref == null) { ref = new Options(); } return ref; } public void set(PR val) { printOptions.add(val); } public void setCodeOptions() { printOptions = CODE; } public boolean contains(PR val) { return printOptions.contains(val); } public boolean debug() { return printOptions.contains(PR.DEBUG); } @Override public String toString() { return printOptions.toString(); } }