Mercurial > jdk8-mips64-public > langtools / file comparison
comparison: src/share/classes/com/sun/tools/javac/code/DeferredLintHandler.java
src/share/classes/com/sun/tools/javac/code/DeferredLintHandler.java
- changeset 852
- 899f7c3d9426
- child 1357
- c75be5bc5283
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| 851:cad51b6eb7a6 | 852:899f7c3d9426 |
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| 1 /* | |
| 2 * Copyright (c) 2011, 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.javac.code; | |
| 27 | |
| 28 import java.util.HashMap; | |
| 29 import java.util.Map; | |
| 30 | |
| 31 import com.sun.tools.javac.util.Assert; | |
| 32 import com.sun.tools.javac.util.Context; | |
| 33 import com.sun.tools.javac.util.ListBuffer; | |
| 34 import com.sun.tools.javac.util.JCDiagnostic.DiagnosticPosition; | |
| 35 | |
| 36 /** | |
| 37 * | |
| 38 * <p><b>This is NOT part of any supported API. | |
| 39 * If you write code that depends on this, you do so at your own risk. | |
| 40 * This code and its internal interfaces are subject to change or | |
| 41 * deletion without notice.</b> | |
| 42 */ | |
| 43 public class DeferredLintHandler { | |
| 44 protected static final Context.Key<DeferredLintHandler> deferredLintHandlerKey = | |
| 45 new Context.Key<DeferredLintHandler>(); | |
| 46 | |
| 47 public static DeferredLintHandler instance(Context context) { | |
| 48 DeferredLintHandler instance = context.get(deferredLintHandlerKey); | |
| 49 if (instance == null) | |
| 50 instance = new DeferredLintHandler(context); | |
| 51 return instance; | |
| 52 } | |
| 53 | |
| 54 protected DeferredLintHandler(Context context) { | |
| 55 context.put(deferredLintHandlerKey, this); | |
| 56 } | |
| 57 | |
| 58 private DeferredLintHandler() {} | |
| 59 | |
| 60 public interface LintLogger { | |
| 61 void report(); | |
| 62 } | |
| 63 | |
| 64 private DiagnosticPosition currentPos; | |
| 65 private Map<DiagnosticPosition, ListBuffer<LintLogger>> loggersQueue = new HashMap<DiagnosticPosition, ListBuffer<LintLogger>>(); | |
| 66 | |
| 67 public void report(LintLogger logger) { | |
| 68 ListBuffer<LintLogger> loggers = loggersQueue.get(currentPos); | |
| 69 Assert.checkNonNull(loggers); | |
| 70 loggers.append(logger); | |
| 71 } | |
| 72 | |
| 73 public void flush(DiagnosticPosition pos) { | |
| 74 ListBuffer<LintLogger> loggers = loggersQueue.get(pos); | |
| 75 if (loggers != null) { | |
| 76 for (LintLogger lintLogger : loggers) { | |
| 77 lintLogger.report(); | |
| 78 } | |
| 79 loggersQueue.remove(pos); | |
| 80 } | |
| 81 } | |
| 82 | |
| 83 public DeferredLintHandler setPos(DiagnosticPosition currentPos) { | |
| 84 this.currentPos = currentPos; | |
| 85 loggersQueue.put(currentPos, ListBuffer.<LintLogger>lb()); | |
| 86 return this; | |
| 87 } | |
| 88 | |
| 89 public static final DeferredLintHandler immediateHandler = new DeferredLintHandler() { | |
| 90 @Override | |
| 91 public void report(LintLogger logger) { | |
| 92 logger.report(); | |
| 93 } | |
| 94 }; | |
| 95 } |
