Mercurial > hg > truffle
view graal/com.oracle.jvmci.debug/src/com/oracle/jvmci/debug/DelegatingDebugConfig.java @ 21762:1025d6dc645a
Merge.
author | Thomas Wuerthinger <thomas.wuerthinger@oracle.com> |
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date | Sat, 06 Jun 2015 15:13:09 +0200 |
parents | f5b549811bac |
children |
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/* * Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package com.oracle.jvmci.debug; import java.io.*; import java.util.*; import com.oracle.jvmci.debug.internal.*; public class DelegatingDebugConfig implements DebugConfig { protected final DebugConfig delegate; /** * The features of a {@link DelegatingDebugConfig} that can be force * {@linkplain DelegatingDebugConfig#enable(Feature) enabled}/ * {@linkplain DelegatingDebugConfig#disable(Feature) disabled} or * {@linkplain DelegatingDebugConfig#delegate(Feature) delegated}. */ public enum Feature { /** * @see Debug#isLogEnabledForMethod() */ LOG_METHOD, /** * @see Debug#isDumpEnabledForMethod() */ DUMP_METHOD, /** * @see Debug#isVerifyEnabled() */ VERIFY, /** * @see Debug#isVerifyEnabledForMethod() */ VERIFY_METHOD, /** * @see Debug#isMeterEnabled() */ METER, /** * @see Debug#isMemUseTrackingEnabled() */ TRACK_MEM_USE, /** * @see Debug#isTimeEnabled() */ TIME, /** * @see DebugConfig#interceptException(Throwable) */ INTERCEPT } private final Map<Feature, Boolean> featureState = new EnumMap<>(Feature.class); /** * The debug levels of a {@link DelegatingDebugConfig} than can be * {@linkplain DelegatingDebugConfig#override(Level, int) overridden} or * {@linkplain DelegatingDebugConfig#delegate(Level) delegated}. */ public enum Level { LOG, DUMP } private final Map<Level, Integer> levelState = new EnumMap<>(Level.class); /** * Creates a config that delegates to the {@link DebugScope#getConfig() current config}. */ public DelegatingDebugConfig() { this(DebugScope.getConfig()); } /** * Creates a config that delegates to a given config. */ public DelegatingDebugConfig(DebugConfig delegate) { this.delegate = delegate; } public DelegatingDebugConfig enable(Feature feature) { featureState.put(feature, Boolean.TRUE); return this; } public DelegatingDebugConfig disable(Feature feature) { featureState.put(feature, Boolean.FALSE); return this; } public DelegatingDebugConfig override(Level level, int newLevel) { levelState.put(level, newLevel); return this; } public DelegatingDebugConfig delegate(Feature feature) { featureState.put(feature, null); return this; } public DelegatingDebugConfig delegate(Level level) { levelState.put(level, null); return this; } @Override public int getLogLevel() { Integer ls = levelState.get(Level.LOG); if (ls == null) { return delegate.getLogLevel(); } return ls.intValue(); } public boolean isLogEnabledForMethod() { Boolean fs = featureState.get(Feature.LOG_METHOD); if (fs == null) { return delegate.isLogEnabledForMethod(); } return fs.booleanValue(); } @Override public boolean isMeterEnabled() { Boolean fs = featureState.get(Feature.METER); if (fs == null) { return delegate.isMeterEnabled(); } return fs.booleanValue(); } public boolean isMemUseTrackingEnabled() { Boolean fs = featureState.get(Feature.TRACK_MEM_USE); if (fs == null) { return delegate.isMemUseTrackingEnabled(); } return fs.booleanValue(); } @Override public int getDumpLevel() { Integer ls = levelState.get(Level.DUMP); if (ls == null) { return delegate.getDumpLevel(); } return ls.intValue(); } public boolean isDumpEnabledForMethod() { Boolean fs = featureState.get(Feature.DUMP_METHOD); if (fs == null) { return delegate.isDumpEnabledForMethod(); } return fs.booleanValue(); } @Override public boolean isVerifyEnabled() { Boolean fs = featureState.get(Feature.VERIFY); if (fs == null) { return delegate.isVerifyEnabled(); } return fs.booleanValue(); } public boolean isVerifyEnabledForMethod() { Boolean fs = featureState.get(Feature.VERIFY_METHOD); if (fs == null) { return delegate.isVerifyEnabledForMethod(); } return fs.booleanValue(); } @Override public boolean isTimeEnabled() { Boolean fs = featureState.get(Feature.TIME); if (fs == null) { return delegate.isTimeEnabled(); } return fs.booleanValue(); } @Override public RuntimeException interceptException(Throwable e) { Boolean fs = featureState.get(Feature.INTERCEPT); if (fs == null || fs) { return delegate.interceptException(e); } return null; } @Override public Collection<DebugDumpHandler> dumpHandlers() { return delegate.dumpHandlers(); } @Override public Collection<DebugVerifyHandler> verifyHandlers() { return delegate.verifyHandlers(); } @Override public PrintStream output() { return delegate.output(); } @Override public void addToContext(Object o) { delegate.addToContext(o); } @Override public void removeFromContext(Object o) { delegate.removeFromContext(o); } }