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/*
* Copyright (c) 2011, 2020, 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 vm.mlvm.share;
import java.util.Random;
import jdk.test.lib.Utils;
import nsk.share.ArgumentParser;
import nsk.share.Log;
import nsk.share.Log.TraceLevel;
import nsk.share.test.LazyFormatString;
public class Env {
private static class StaticHolder {
public static ArgumentParser argParser;
public static Log log;
static {
init(new String[0]);
}
public static void init(String... args) {
init(new IgnoreUnknownArgumentParser(args));
}
public static void init(ArgumentParser ap) {
StaticHolder.argParser = ap;
StaticHolder.log = new Log(System.out, StaticHolder.argParser);
}
}
public static ArgumentParser getArgParser() {
return StaticHolder.argParser;
}
public static Log getLog() {
return StaticHolder.log;
}
public static void init(String... args) {
StaticHolder.init(args);
}
public static void init(ArgumentParser ap) {
StaticHolder.init(ap);
}
//
// RNG
//
private static long _seed = Utils.SEED;
private static volatile boolean _wasSeedPrinted = false;
// Thread local variable containing each thread's ID
private static final ThreadLocal<Random> _threadRNG =
new ThreadLocal<Random>() {
@Override protected Random initialValue() {
if ( ! _wasSeedPrinted ) {
_wasSeedPrinted = true;
traceImportant("RNG seed = " + _seed + " (0x" + Long.toHexString(_seed) + ")");
// ensure we also print out how to change seed
Utils.getRandomInstance();
}
long seed = _seed;
String name = Thread.currentThread().getName();
for ( int n = 0; n < name.length(); n++ )
seed ^= name.charAt(n) << ((n % 7) * 8);
traceVerbose(Thread.currentThread() + " RNG seed = " + seed + " (0x" + Long.toHexString(seed) + ")");
return new Random(seed);
}
};
public static Random getRNG() {
return _threadRNG.get();
}
//
// Syntactic sugar
//
public static void traceImportant(String msg) {
getLog().trace(TraceLevel.TRACE_IMPORTANT, msg);
}
public static void traceImportant(String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_IMPORTANT, new LazyFormatString(msg, args));
}
public static void traceImportant(Throwable t, String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_IMPORTANT, new LazyFormatString(msg, args), t);
}
public static void traceNormal(String msg) {
getLog().trace(TraceLevel.TRACE_NORMAL, msg);
}
public static void traceNormal(String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_NORMAL, new LazyFormatString(msg, args));
}
public static void traceNormal(Throwable t, String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_NORMAL, new LazyFormatString(msg, args), t);
}
public static void traceVerbose(String msg) {
getLog().trace(TraceLevel.TRACE_VERBOSE, msg);
}
public static void traceVerbose(String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_VERBOSE, new LazyFormatString(msg, args));
}
public static void traceVerbose(Throwable t, String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_VERBOSE, new LazyFormatString(msg, args), t);
}
public static void traceDebug(String msg) {
getLog().trace(TraceLevel.TRACE_DEBUG, msg);
}
public static void traceDebug(String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_DEBUG, new LazyFormatString(msg, args));
}
public static void traceDebug(Throwable t, String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_DEBUG, new LazyFormatString(msg, args), t);
}
public static void display(String msg) {
getLog().trace(TraceLevel.TRACE_IMPORTANT, msg);
}
public static void display(String msg, Object... args) {
getLog().trace(TraceLevel.TRACE_IMPORTANT, new LazyFormatString(msg, args));
}
public static void complain(String msg) {
getLog().complain(msg);
}
public static void complain(String msg, Object... args) {
getLog().complain(new LazyFormatString(msg, args));
}
public static void complain(Throwable t, String msg, Object... args) {
getLog().complain(new LazyFormatString(msg, args), t);
}
/**
* Throws an arbitrary exception as unchecked one.
* The method does not return normally.
*
* If the exception is not a subclass of java.lang.RuntimeException`
* or java.lang.Error, it is wrapped into java.lang.RuntimeException
*
* @param exception Exception to throw (wrapping it when it is checked on)
*/
public static void throwAsUncheckedException(Throwable exception) {
if (exception instanceof RuntimeException) {
throw (RuntimeException) exception;
}
if (exception instanceof Error) {
throw (Error) exception;
}
throw new RuntimeException(exception.getMessage(), exception);
}
}
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