1 /* 2 * Copyright (c) 2007, 2015, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.tools.javap; 27 28 import java.util.EnumSet; 29 import java.util.HashSet; 30 import java.util.Set; 31 32 import com.sun.tools.classfile.AccessFlags; 33 34 /* 35 * Provides access to javap's options, set via the command line 36 * or JSR 199 API. 37 * <p><b>This is NOT part of any supported API. 38 * If you write code that depends on this, you do so at your own risk. 39 * This code and its internal interfaces are subject to change or 40 * deletion without notice.</b> 41 */ 42 public class Options { instance(Context context)43 public static Options instance(Context context) { 44 Options instance = context.get(Options.class); 45 if (instance == null) 46 instance = new Options(context); 47 return instance; 48 } 49 Options(Context context)50 protected Options(Context context) { 51 context.put(Options.class, this); 52 } 53 54 /** 55 * Checks access of class, field or method. 56 */ checkAccess(AccessFlags flags)57 public boolean checkAccess(AccessFlags flags){ 58 59 boolean isPublic = flags.is(AccessFlags.ACC_PUBLIC); 60 boolean isProtected = flags.is(AccessFlags.ACC_PROTECTED); 61 boolean isPrivate = flags.is(AccessFlags.ACC_PRIVATE); 62 boolean isPackage = !(isPublic || isProtected || isPrivate); 63 64 if ((showAccess == AccessFlags.ACC_PUBLIC) && (isProtected || isPrivate || isPackage)) 65 return false; 66 else if ((showAccess == AccessFlags.ACC_PROTECTED) && (isPrivate || isPackage)) 67 return false; 68 else if ((showAccess == 0) && (isPrivate)) 69 return false; 70 else 71 return true; 72 } 73 74 public boolean help; 75 public boolean verbose; 76 public boolean version; 77 public boolean fullVersion; 78 public boolean showFlags; 79 public boolean showLineAndLocalVariableTables; 80 public int showAccess; 81 public Set<String> accessOptions = new HashSet<>(); 82 public Set<InstructionDetailWriter.Kind> details = EnumSet.noneOf(InstructionDetailWriter.Kind.class); 83 public boolean showDisassembled; 84 public boolean showDescriptors; 85 public boolean showAllAttrs; 86 public boolean showConstants; 87 public boolean sysInfo; 88 public boolean showInnerClasses; 89 public int indentWidth = 2; // #spaces per indentWidth level; must be > 0 90 public int tabColumn = 40; // column number for comments; must be > 0 91 public String moduleName; 92 } 93