gcc/libjava/java/lang/Object.java
Tom Tromey ee9dd3721b Initial revision
From-SVN: r26263
1999-04-07 14:42:40 +00:00

87 lines
2.1 KiB
Java

// Object.java - The root of all evil.
/* Copyright (C) 1998, 1999 Cygnus Solutions
This file is part of libgcj.
This software is copyrighted work licensed under the terms of the
Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
details. */
package java.lang;
/**
* @author Tom Tromey <tromey@cygnus.com>
* @date September 30, 1998
*/
/* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3
* "The Java Language Specification", ISBN 0-201-63451-1
* plus online API docs for JDK 1.2 beta from http://www.javasoft.com.
* plus gcj compiler sources (to determine object layout)
* Status: Complete to version 1.1
*/
public class Object
{
// This must come first. See _JvObjectPrefix in Object.h.
protected void finalize () throws Throwable
{
}
public final native Class getClass ();
public native int hashCode ();
public final native void notify ();
public final native void notifyAll ();
public final native void wait (long timeout, int nanos)
throws InterruptedException;
public boolean equals (Object obj)
{
return this == obj;
}
public Object ()
{
}
public String toString ()
{
return getClass().getName() + '@' + Integer.toHexString(hashCode());
}
public final void wait () throws InterruptedException
{
wait (0, 0);
}
public final void wait (long timeout) throws InterruptedException
{
wait (timeout, 0);
}
protected native Object clone () throws CloneNotSupportedException;
// This initializes the sync_info member. It is here for
// completeness (some day we'll be able to auto-generate Object.h).
private final native void sync_init ();
// This exists as a workaround for the fact that we can't catch a
// Java Exception from C++. This is from section 12.6 of the Java
// Language Spec. FIXME: remove this once exception processing
// works.
private static final void hack12_6 (Object f)
{
try
{
f.finalize();
}
catch (Throwable x)
{
}
}
// Note that we don't mention the sync_info field here. If we do,
// jc1 will not work correctly.
}