/*

 * Copyright 1998-2005 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,

 * CA 95054 USA or visit www.sun.com if you need additional information or

 * have any questions.

 *

 */

// The Rewriter adds caches to the constant pool and rewrites bytecode indices

// pointing into the constant pool for better interpreter performance.

class Rewriter: public AllStatic {

 private:

  static void compute_index_maps(constantPoolHandle pool, intArray*& index_map, intStack*& inverse_index_map);

  static constantPoolCacheHandle new_constant_pool_cache(intArray& inverse_index_map, TRAPS);

  static methodHandle rewrite_method(methodHandle method, intArray& index_map, TRAPS);

  static void rewrite_Object_init(methodHandle method, TRAPS);

 public:

  static void rewrite(instanceKlassHandle klass, TRAPS);

};