Imported GNU Classpath 0.90

Imported GNU Classpath 0.90
       * scripts/makemake.tcl: Set gnu/java/awt/peer/swing to ignore.
       * gnu/classpath/jdwp/VMFrame.java (SIZE): New constant.
       * java/lang/VMCompiler.java: Use gnu.java.security.hash.MD5.
       * java/lang/Math.java: New override file.
       * java/lang/Character.java: Merged from Classpath.
       (start, end): Now 'int's.
       (canonicalName): New field.
       (CANONICAL_NAME, NO_SPACES_NAME, CONSTANT_NAME): New constants.
       (UnicodeBlock): Added argument.
       (of): New overload.
       (forName): New method.
       Updated unicode blocks.
       (sets): Updated.
       * sources.am: Regenerated.
       * Makefile.in: Likewise.

From-SVN: r111942

libjava/classpath/gnu/regexp/CharIndexedInputStream.java

@@ -1,5 +1,5 @@
 /* gnu/regexp/CharIndexedInputStream.java
-   Copyright (C) 1998-2001, 2004 Free Software Foundation, Inc.
+   Copyright (C) 1998-2001, 2004, 2006 Free Software Foundation, Inc.
 
 This file is part of GNU Classpath.
 
@@ -145,5 +145,15 @@ class CharIndexedInputStream implements CharIndexed {
     public boolean isValid() {
 	return (cached != OUT_OF_BOUNDS);
     }
+
+    public CharIndexed lookBehind(int index, int length) {
+	throw new UnsupportedOperationException(
+	    "difficult to look behind for an input stream");
+    }
+
+    public int length() {
+	throw new UnsupportedOperationException(
+	    "difficult to tell the length for an input stream");
+    }
 }