text: /* fmtdytst.h: DYLAN OBJECT FORMAT TESTING
   *
   * $Id$
   * Copyright (c) 2001-2020 Ravenbrook Limited.  See end of file for license.
   */
  
  #ifndef fmtdytst_h
  #define fmtdytst_h
  
  #include "mps.h"
  #include "testlib.h"
  
  extern mps_res_t dylan_init(mps_addr_t addr, size_t size,
                              mps_addr_t *refs, size_t nr_refs);
  extern void dylan_write(mps_addr_t addr,
                          mps_addr_t *refs, size_t nr_refs);
  extern void dylan_mutate(mps_addr_t addr);
  extern mps_addr_t dylan_read(mps_addr_t addr);
  extern mps_bool_t dylan_check(mps_addr_t addr);
  extern void dylan_pad(mps_addr_t addr, size_t size);
  extern int dylan_wrapper_check(mps_word_t *w);
  extern mps_res_t dylan_make_wrappers(void);
  
  extern mps_res_t make_dylan_vector(mps_word_t *v, mps_ap_t ap, size_t slots);
  
  #define DYLAN_VECTOR_SLOT(o,n) (((mps_word_t *) (o))[(n)+2])
  
  #define DYLAN_INT(n) (((mps_word_t)(n) << 2) | 1)
  
  #define INT_DYI(n)  ( (n) <= DYLAN_UINT_MAX ? DYLAN_INT(n) : (mps_word_t)fail() )
  
  
  #define DYLAN_INT_INT(d)  ((mps_word_t)(d) >> 2)
  
  #define DYI_INT(d)  ( ((d) & 0x3) == 0x1 ? DYLAN_INT_INT(d) : (mps_word_t)fail() )
  
  #define DYLAN_UINT_MAX  ((mps_word_t)-1 >> 2)
  #define DYLAN_UINT_MASK  DYLAN_UINT_MAX
  
  #endif /* fmtdy_h */
  
  
  /* C. COPYRIGHT AND LICENSE
   *
   * Copyright (C) 2001-2020 Ravenbrook Limited <https://www.ravenbrook.com/>.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are
   * met:
   *
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   *
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the
   *    distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
   * IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
   * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
   * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
   * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
   * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
   * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
   * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
   * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  