langtools/src/share/classes/com/sun/tools/javap/Options.java
author jjg
Tue, 20 Oct 2009 10:59:13 -0700
changeset 4302 e17f362853cd
parent 3546 00b2974fdf04
child 5520 86e4b9a9da40
permissions -rw-r--r--
6893062: remove support for obsolete attributes Reviewed-by: ksrini
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/*
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 * Copyright 2007-2008 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.  Sun designates this
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 * particular file as subject to the "Classpath" exception as provided
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 * by Sun in the LICENSE file that accompanied this code.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 */
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package com.sun.tools.javap;
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import java.util.EnumSet;
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import java.util.HashSet;
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import java.util.Set;
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import com.sun.tools.classfile.AccessFlags;
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/*
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 *  Provides access to javap's options, set via the command line
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 *  or JSR 199 API.
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 *  <p><b>This is NOT part of any API supported by Sun Microsystems.  If
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 *  you write code that depends on this, you do so at your own risk.
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 *  This code and its internal interfaces are subject to change or
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 *  deletion without notice.</b>
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 */
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public class Options {
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    public static Options instance(Context context) {
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        Options instance = context.get(Options.class);
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        if (instance == null)
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            instance = new Options(context);
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        return instance;
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    }
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    protected Options(Context context) {
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        context.put(Options.class, this);
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    }
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    /**
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     * Checks access of class, field or method.
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     */
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    public boolean checkAccess(AccessFlags flags){
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        boolean isPublic = flags.is(AccessFlags.ACC_PUBLIC);
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        boolean isProtected = flags.is(AccessFlags.ACC_PROTECTED);
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        boolean isPrivate = flags.is(AccessFlags.ACC_PRIVATE);
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        boolean isPackage = !(isPublic || isProtected || isPrivate);
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        if ((showAccess == AccessFlags.ACC_PUBLIC) && (isProtected || isPrivate || isPackage))
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            return false;
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        else if ((showAccess == AccessFlags.ACC_PROTECTED) && (isPrivate || isPackage))
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            return false;
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        else if ((showAccess == 0) && (isPrivate))
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            return false;
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        else
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            return true;
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    }
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    public boolean help;
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    public boolean verbose;
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    public boolean version;
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    public boolean fullVersion;
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    public boolean showFlags;
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    public boolean showLineAndLocalVariableTables;
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    public int showAccess;
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    public Set<String> accessOptions = new HashSet<String>();
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    public Set<InstructionDetailWriter.Kind> details = EnumSet.noneOf(InstructionDetailWriter.Kind.class);
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    public boolean showDisassembled;
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    public boolean showInternalSignatures;
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    public boolean showAllAttrs;
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    public boolean showConstants;
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    public boolean sysInfo;
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    public boolean showInnerClasses;
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    public int indentWidth = 2;   // #spaces per indentWidth level
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    public int tabColumn = 40;    // column number for comments
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    public boolean compat;             // bug-for-bug compatibility mode with old javap
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}