author | jjg |
Tue, 12 Feb 2013 17:15:29 -0800 | |
changeset 15718 | 8e54c8e43d38 |
parent 14258 | 8d2148961366 |
child 19942 | e9dae0e41075 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2011, 2012, 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.code; |
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|
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import java.util.HashMap; |
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import java.util.Map; |
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import com.sun.tools.javac.util.Assert; |
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import com.sun.tools.javac.util.Context; |
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import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; |
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import com.sun.tools.javac.util.ListBuffer; |
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/** |
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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 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 DeferredLintHandler { |
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protected static final Context.Key<DeferredLintHandler> deferredLintHandlerKey = |
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new Context.Key<DeferredLintHandler>(); |
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public static DeferredLintHandler instance(Context context) { |
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DeferredLintHandler instance = context.get(deferredLintHandlerKey); |
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if (instance == null) |
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instance = new DeferredLintHandler(context); |
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return instance; |
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} |
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protected DeferredLintHandler(Context context) { |
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context.put(deferredLintHandlerKey, this); |
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} |
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private DeferredLintHandler() {} |
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public interface LintLogger { |
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void report(); |
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} |
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private DiagnosticPosition currentPos; |
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private Map<DiagnosticPosition, ListBuffer<LintLogger>> loggersQueue = new HashMap<DiagnosticPosition, ListBuffer<LintLogger>>(); |
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public void report(LintLogger logger) { |
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ListBuffer<LintLogger> loggers = loggersQueue.get(currentPos); |
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Assert.checkNonNull(loggers); |
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loggers.append(logger); |
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} |
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public void flush(DiagnosticPosition pos) { |
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ListBuffer<LintLogger> loggers = loggersQueue.get(pos); |
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if (loggers != null) { |
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for (LintLogger lintLogger : loggers) { |
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lintLogger.report(); |
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} |
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loggersQueue.remove(pos); |
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} |
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} |
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public DeferredLintHandler setPos(DiagnosticPosition currentPos) { |
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this.currentPos = currentPos; |
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loggersQueue.put(currentPos, ListBuffer.<LintLogger>lb()); |
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return this; |
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} |
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public static final DeferredLintHandler immediateHandler = new DeferredLintHandler() { |
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@Override |
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public void report(LintLogger logger) { |
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logger.report(); |
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} |
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}; |
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} |