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/*
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* Copyright (c) 2006, 2011, Oracle and/or its affiliates. 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. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package com.sun.tools.javac.main;
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import com.sun.tools.javac.util.Log;
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import com.sun.tools.javac.util.Log.PrefixKind;
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import java.io.File;
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/**
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* Helper object to be used by {@link Option#process}, providing access to
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* the compilation environment.
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*
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* <p><b>This is NOT part of any supported API.
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* If you write code that depends on this, you do so at your own
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* risk. This code and its internal interfaces are subject to change
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* or deletion without notice.</b></p>
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*/
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public abstract class OptionHelper {
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/** Get the current value of an option. */
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public abstract String get(Option option);
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/** Set the value of an option. */
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public abstract void put(String name, String value);
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/** Remove any prior value for an option. */
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public abstract void remove(String name);
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/** Get access to the Log for the compilation. */
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public abstract Log getLog();
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/** Get the name of the tool, such as "javac", to be used in info like -help. */
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public abstract String getOwnName();
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/** Report an error. */
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abstract void error(String key, Object... args);
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/** Record a file to be compiled. */
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abstract void addFile(File f);
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/** Record the name of a class for annotation processing. */
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abstract void addClassName(String s);
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/** An implementation of OptionHelper that mostly throws exceptions. */
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public static class GrumpyHelper extends OptionHelper {
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private final Log log;
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public GrumpyHelper(Log log) {
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this.log = log;
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}
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@Override
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public Log getLog() {
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return log;
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}
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@Override
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public String getOwnName() {
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throw new IllegalStateException();
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}
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@Override
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public String get(Option option) {
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throw new IllegalArgumentException();
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}
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@Override
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public void put(String name, String value) {
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throw new IllegalArgumentException();
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}
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@Override
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public void remove(String name) {
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throw new IllegalArgumentException();
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}
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@Override
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void error(String key, Object... args) {
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throw new IllegalArgumentException(log.localize(PrefixKind.JAVAC, key, args));
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}
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@Override
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public void addFile(File f) {
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throw new IllegalArgumentException(f.getPath());
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}
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@Override
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public void addClassName(String s) {
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throw new IllegalArgumentException(s);
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}
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}
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}
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