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/CharIndexed.java

@@ -1,5 +1,5 @@
 /* gnu/regexp/CharIndexed.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.
 
@@ -81,4 +81,16 @@ public interface CharIndexed {
      * position at a valid position in the input.
      */
     boolean isValid();
+
+    /**
+     * Returns another CharIndexed containing length characters to the left
+     * of the given index. The given length is an expected maximum and
+     * the returned CharIndexed may not necessarily contain so many characters.
+     */
+    CharIndexed lookBehind(int index, int length);
+
+    /**
+     * Returns the effective length of this CharIndexed
+     */
+    int length();
 }