Merge JDK 1.4 exception chaining support from classpath.

	* java/lang/Throwable.java: Merge 1.4 support from classpath.
	(stackTraceBytes): Rename from stackTrace.
	* java/lang/Exception.java: Merge from classpath.
	* java/lang/StackTraceElement: New file from classpath.
	* gcj/javaprims.h: Rebuild CNI namespace declarations.
	* Makefile.am: Add StackTraceElement.
	* Makefile.in: Rebuilt.

From-SVN: r53836

libjava/ChangeLog

+2002-05-24  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
+
+	Merge JDK 1.4 exception chaining support from classpath.
+	* java/lang/Throwable.java: Merge 1.4 support from classpath.
+	(stackTraceBytes): Rename from stackTrace.
+	* java/lang/Exception.java: Merge from classpath.
+	* java/lang/StackTraceElement: New file from classpath.
+	* gcj/javaprims.h: Rebuild CNI namespace declarations.
+	* Makefile.am: Add StackTraceElement.
+	* Makefile.in: Rebuilt.
+
 2002-05-23  Bryce McKinlay  <bryce@waitaki.otago.ac.nz>
 
 	* Makefile.am (all-recursive): Depend on $all_java_class_files so that

libjava/Makefile.am

@@ -1084,6 +1084,7 @@ java/lang/SecurityException.java \
 java/lang/SecurityManager.java \
 java/lang/Short.java \
 java/lang/StackOverflowError.java \
+java/lang/StackTraceElement.java \
 java/lang/StrictMath.java \
 java/lang/String.java \
 java/lang/StringBuffer.java \
@@ -1418,7 +1419,7 @@ gnu/java/security/provider/SHA1PRNG.java \
 gnu/java/text/BaseBreakIterator.java \
 gnu/java/text/CharacterBreakIterator.java \
 gnu/java/text/LineBreakIterator.java \
-gnu/java/text/SentenceBreakIterator.java	\
+gnu/java/text/SentenceBreakIterator.java \
 gnu/java/text/WordBreakIterator.java \
 gnu/java/util/DoubleEnumeration.java \
 java/lang/ref/PhantomReference.java \

libjava/Makefile.in

@@ -851,6 +851,7 @@ java/lang/SecurityException.java \
 java/lang/SecurityManager.java \
 java/lang/Short.java \
 java/lang/StackOverflowError.java \
+java/lang/StackTraceElement.java \
 java/lang/StrictMath.java \
 java/lang/String.java \
 java/lang/StringBuffer.java \
@@ -1180,7 +1181,7 @@ gnu/java/security/provider/SHA1PRNG.java \
 gnu/java/text/BaseBreakIterator.java \
 gnu/java/text/CharacterBreakIterator.java \
 gnu/java/text/LineBreakIterator.java \
-gnu/java/text/SentenceBreakIterator.java	\
+gnu/java/text/SentenceBreakIterator.java \
 gnu/java/text/WordBreakIterator.java \
 gnu/java/util/DoubleEnumeration.java \
 java/lang/ref/PhantomReference.java \
@@ -2267,7 +2268,8 @@ DEP_FILES =  .deps/$(srcdir)/$(CONVERT_DIR)/gen-from-JIS.P \
 .deps/java/lang/Runtime.P .deps/java/lang/RuntimeException.P \
 .deps/java/lang/RuntimePermission.P .deps/java/lang/SecurityException.P \
 .deps/java/lang/SecurityManager.P .deps/java/lang/Short.P \
-.deps/java/lang/StackOverflowError.P .deps/java/lang/StrictMath.P \
+.deps/java/lang/StackOverflowError.P \
+.deps/java/lang/StackTraceElement.P .deps/java/lang/StrictMath.P \
 .deps/java/lang/String.P .deps/java/lang/StringBuffer.P \
 .deps/java/lang/StringIndexOutOfBoundsException.P \
 .deps/java/lang/System.P .deps/java/lang/Thread.P \

libjava/gcj/javaprims.h

@@ -193,6 +193,7 @@ extern "Java"
       class SecurityManager;
       class Short;
       class StackOverflowError;
+      class StackTraceElement;
       class StrictMath;
       class String;
       class String$CaseInsensitiveComparator;
@@ -241,32 +242,43 @@ extern "Java"
     {
       class AbstractCollection;
       class AbstractList;
-      class AbstractList$AbstractListItr;
       class AbstractMap;
       class AbstractSequentialList;
       class AbstractSet;
       class ArrayList;
       class Arrays;
+      class Arrays$ArrayList;
       class Arrays$ListImpl;
       class BasicMapEntry;
       class BitSet;
       class Calendar;
       class Collection;
       class Collections;
+      class Collections$CopiesList;
+      class Collections$EmptyList;
+      class Collections$EmptyMap;
+      class Collections$EmptySet;
       class Collections$ReverseComparator;
+      class Collections$SingletonList;
+      class Collections$SingletonMap;
+      class Collections$SingletonSet;
       class Collections$SynchronizedCollection;
       class Collections$SynchronizedIterator;
       class Collections$SynchronizedList;
       class Collections$SynchronizedListIterator;
       class Collections$SynchronizedMap;
+      class Collections$SynchronizedMapEntry;
+      class Collections$SynchronizedRandomAccessList;
       class Collections$SynchronizedSet;
       class Collections$SynchronizedSortedMap;
       class Collections$SynchronizedSortedSet;
       class Collections$UnmodifiableCollection;
+      class Collections$UnmodifiableEntrySet;
       class Collections$UnmodifiableIterator;
       class Collections$UnmodifiableList;
       class Collections$UnmodifiableListIterator;
       class Collections$UnmodifiableMap;
+      class Collections$UnmodifiableRandomAccessList;
       class Collections$UnmodifiableSet;
       class Collections$UnmodifiableSortedMap;
       class Collections$UnmodifiableSortedSet;
@@ -288,10 +300,12 @@ extern "Java"
       class Hashtable$HashEntry;
       class Hashtable$HashIterator;
       class IdentityHashMap;
+      class IdentityHashMap$IdentityEntry;
       class IdentityHashMap$IdentityIterator;
       class Iterator;
       class LinkedHashMap;
       class LinkedHashMap$LinkedHashEntry;
+      class LinkedHashSet;
       class LinkedList;
       class LinkedList$Entry;
       class LinkedList$LinkedListItr;
@@ -311,7 +325,9 @@ extern "Java"
       class PropertyResourceBundle;
       class Random;
       class RandomAccess;
+      class RandomAccessSubList;
       class ResourceBundle;
+      class ResourceBundle$Security;
       class Set;
       class SimpleTimeZone;
       class SortedMap;
@@ -329,12 +345,11 @@ extern "Java"
       class TreeMap$Node;
       class TreeMap$SubMap;
       class TreeMap$TreeIterator;
-      class TreeMap$VerifyResult;
       class TreeSet;
       class Vector;
       class WeakHashMap;
-      class WeakHashMap$Entry;
       class WeakHashMap$WeakBucket;
+      class WeakHashMap$WeakEntry;
       class WeakHashMap$WeakEntrySet;
       namespace jar
       {
@@ -372,7 +387,7 @@ extern "Java"
         class ZipOutputStream;
       };
     };
-  };
+  };  
 };
   
 typedef struct java::lang::Object* jobject;

libjava/java/lang/Exception.java

 /* Exception.java -- generic exception thrown to indicate an exceptional
    condition has occurred.
-   Copyright (C) 1998, 1999, 2001 Free Software Foundation, Inc.
+   Copyright (C) 1998, 1999, 2001, 2002 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -8,7 +8,7 @@ GNU Classpath is free software; you can redistribute it and/or modify
 it under the terms of the GNU General Public License as published by
 the Free Software Foundation; either version 2, or (at your option)
 any later version.
- 
+
 GNU Classpath 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
@@ -39,40 +39,66 @@ exception statement from your version. */
 
 package java.lang;
 
-/* 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.
- * Status:  Believed complete and correct.
- */
-
 /**
- * Exceptions may be thrown by one part of a Java program and caught
- * by another in order to deal with the cause of the exception, such as
+ * The root class of all exceptions worth catching in a program.  This
+ * includes the special category of <code>RuntimeException</code>, which
+ * does not need to be declared in a throws clause.  Exceptions can be used
+ * to represent almost any exceptional behavior, such as programming errors,
  * mouse movements, keyboard clicking, etc.
  *
- * @since JDK 1.0
- * 
  * @author Brian Jones
  * @author Warren Levy <warrenl@cygnus.com>
- * @date September 18, 1998.
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @status updated to 1.4
  */
 public class Exception extends Throwable
 {
-  static final long serialVersionUID = -3387516993124229948L;
+  /**
+   * Compatible with JDK 1.0+.
+   */
+  private static final long serialVersionUID = -3387516993124229948L;
 
   /**
-   * Create an exception without a message.
+   * Create an exception without a message. The cause remains uninitialized.
+   *
+   * @see #initCause(Throwable)
    */
   public Exception()
-    {
-      super();
-    }
+  {
+  }
 
   /**
-   * Create an exception with a message.
+   * Create an exception with a message. The cause remains uninitialized.
+   *
+   * @param s the message
+   * @see #initCause(Throwable)
    */
   public Exception(String s)
-    {
-      super(s);
-    }
+  {
+    super(s);
+  }
+
+  /**
+   * Create an exception with a message and a cause.
+   *
+   * @param s the message string
+   * @param cause the cause of this error
+   * @since 1.4
+   */
+  public Exception(String s, Throwable cause)
+  {
+    super(s, cause);
+  }
+
+  /**
+   * Create an exception with a given cause, and a message of
+   * <code>cause == null ? null : cause.toString()</code>.
+   *
+   * @param cause the cause of this exception
+   * @since 1.4
+   */
+  public Exception(Throwable cause)
+  {
+    super(cause);
+  }
 }

libjava/java/lang/StackTraceElement.java

+/* StackTraceElement.java -- One function call or call stack element
+   Copyright (C) 2001, 2002 Free Software Foundation, Inc.
+
+This file is part of GNU Classpath.
+
+GNU Classpath is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2, or (at your option)
+any later version.
+
+GNU Classpath 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 for more details.
+
+You should have received a copy of the GNU General Public License
+along with GNU Classpath; see the file COPYING.  If not, write to the
+Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+02111-1307 USA.
+
+Linking this library statically or dynamically with other modules is
+making a combined work based on this library.  Thus, the terms and
+conditions of the GNU General Public License cover the whole
+combination.
+
+As a special exception, the copyright holders of this library give you
+permission to link this library with independent modules to produce an
+executable, regardless of the license terms of these independent
+modules, and to copy and distribute the resulting executable under
+terms of your choice, provided that you also meet, for each linked
+independent module, the terms and conditions of the license of that
+module.  An independent module is a module which is not derived from
+or based on this library.  If you modify this library, you may extend
+this exception to your version of the library, but you are not
+obligated to do so.  If you do not wish to do so, delete this
+exception statement from your version. */
+
+
+package java.lang;
+
+import java.io.Serializable;
+
+/**
+ * One function call or stack trace element. Gives information about
+ * the execution point such as the source file name, the line number,
+ * the fully qualified class name, the method name and whether this method
+ * is native, if this information is known.
+ *
+ * @author Mark Wielaard <mark@klomp.org>
+ * @author Eric Blake <ebb9@email.byu.edu>
+ * @since 1.4
+ * @status updated to 1.4
+ */
+public class StackTraceElement implements Serializable
+{
+  /**
+   * Compatible with JDK 1.4+.
+   */
+  private static final long serialVersionUID = 6992337162326171013L;
+
+  /**
+   * The name of the file, null if unknown.
+   *
+   * @serial the source code filename, if known
+   */
+  private final String fileName;
+
+  /**
+   * The line number in the file, negative if unknown.
+   *
+   * @serial the source code line number, if known
+   */
+  private final int lineNumber;
+
+  /**
+   * The fully qualified class name, null if unknown.
+   *
+   * @serial the enclosing class, if known
+   */
+  private final String className;
+
+  /**
+   * The method name in the class, null if unknown.
+   *
+   * @serial the enclosing method, if known
+   */
+  private final String methodName;
+
+  /** Whether the method is native. */
+  private final transient boolean isNative;
+
+  /**
+   * A package local constructor for the StackTraceElement class, to be
+   * called by the Virtual Machine as part of Throwable.fillInStackTrace.
+   * There are no public constructors defined for this class. Creation
+   * of new elements is implementation specific.
+   *
+   * @param fileName the name of the file, null if unknown
+   * @param lineNumber the line in the file, negative if unknown
+   * @param className the fully qualified name of the class, null if unknown
+   * @param methodName the name of the method, null if unknown
+   * @param isNative true if native, false otherwise
+   */
+  StackTraceElement(String fileName, int lineNumber, String className,
+                    String methodName, boolean isNative)
+  {
+    this.fileName = fileName;
+    this.lineNumber = lineNumber;
+    this.className = className;
+    this.methodName = methodName;
+    this.isNative = isNative;
+  }
+
+  /**
+   * Returns the name of the file, or null if unknown. This is usually
+   * obtained from the <code>SourceFile</code> attribute of the class file
+   * format, if present.
+   *
+   * @return the file name
+   */
+  public String getFileName()
+  {
+    return fileName;
+  }
+
+  /**
+   * Returns the line number in the file, or a negative number if unknown.
+   * This is usually obtained from the <code>LineNumberTable</code> attribute
+   * of the method in the class file format, if present.
+   *
+   * @return the line number
+   */
+  public int getLineNumber()
+  {
+    return lineNumber;
+  }
+
+  /**
+   * Returns the fully qualified class name, or null if unknown.
+   *
+   * @return the class name
+   */
+  public String getClassName()
+  {
+    return className;
+  }
+
+  /**
+   * Returns the method name in the class, or null if unknown. If the
+   * execution point is in a constructor, the name is
+   * <code>&lt;init&gt;</code>; if the execution point is in the class
+   * initializer, the name is <code>&lt;clinit&gt;</code>.
+   *
+   * @return the method name
+   */
+  public String getMethodName()
+  {
+    return methodName;
+  }
+
+  /**
+   * Returns true if the method is native, or false if it is not or unknown.
+   *
+   * @return whether the method is native
+   */
+  public boolean isNativeMethod()
+  {
+    return isNative;
+  }
+
+  /**
+   * Returns a string representation of this stack trace element. The
+   * returned String is implementation specific. This implementation
+   * returns the following String: "[class][.][method]([file][:line])".
+   * If the fully qualified class name or the method is unknown it is
+   * omitted including the point seperator. If the source file name is
+   * unknown it is replaced by "Unknown Source" if the method is not native
+   * or by "Native Method" if the method is native. If the line number
+   * is unknown it and the colon are omitted.
+   *
+   * @return a string representation of this execution point
+   */
+  public String toString()
+  {
+    StringBuffer sb = new StringBuffer();
+    if (className != null)
+      {
+        sb.append(className);
+        if (methodName != null)
+          sb.append('.');
+      }
+    if (methodName != null)
+      sb.append(methodName);
+    sb.append('(');
+    if (fileName != null)
+      sb.append(fileName);
+    else
+      sb.append(isNative ? "Native Method" : "Unknown Source");
+    if (lineNumber >= 0)
+      sb.append(':').append(lineNumber);
+    sb.append(')');
+    return sb.toString();
+  }
+
+  /**
+   * Returns true if the given object is also a StackTraceElement and all
+   * attributes, except the native flag, are equal (either the same attribute
+   * between the two elments are null, or both satisfy Object.equals).
+   *
+   * @param o the object to compare
+   * @return true if the two are equal
+   */
+  public boolean equals(Object o)
+  {
+    if (! (o instanceof StackTraceElement))
+      return false;
+    StackTraceElement e = (StackTraceElement) o;
+    return equals(fileName, e.fileName)
+      && lineNumber == e.lineNumber
+      && equals(className, e.className)
+      && equals(methodName, e.methodName);
+  }
+
+  /**
+   * Returns the hashCode of this StackTraceElement. This implementation
+   * computes the hashcode by xor-ing the hashcode of all attributes except
+   * the native flag.
+   *
+   * @return the hashcode
+   */
+  public int hashCode()
+  {
+    return hashCode(fileName) ^ lineNumber ^ hashCode(className)
+      ^ hashCode(methodName);
+  }
+
+  /**
+   * Compare two objects according to Collection semantics.
+   *
+   * @param o1 the first object
+   * @param o2 the second object
+   * @return o1 == null ? o2 == null : o1.equals(o2)
+   */
+  private static final boolean equals(Object o1, Object o2)
+  {
+    return o1 == null ? o2 == null : o1.equals(o2);
+  }
+
+  /**
+   * Hash an object according to Collection semantics.
+   *
+   * @param o the object to hash
+   * @return o1 == null ? 0 : o1.hashCode()
+   */
+  private static final int hashCode(Object o)
+  {
+    return o == null ? 0 : o.hashCode();
+  }
+}