libguile/vectors.h

   1 /* classes: h_files */
   2
   3 #ifndef SCM_VECTORS_H
   4 #define SCM_VECTORS_H
   5
   6 /* Copyright (C) 1995,1996,1998,2000,2001, 2002 Free Software Foundation, Inc.
   7  *
   8  * This library is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public
  10  * License as published by the Free Software Foundation; either
  11  * version 2.1 of the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful,
  14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  21  */
  22
  23 \f
  24
  25 #include "libguile/__scm.h"
  26
  27 \f
  28
  29 #define SCM_VECTORP(x) (!SCM_IMP (x) && (SCM_TYP7S (x) == scm_tc7_vector))
  30 #define SCM_VECTOR_BASE(x) ((scm_t_bits *) SCM_CELL_WORD_1 (x))
  31 #define SCM_SET_VECTOR_BASE(v, b) (SCM_SET_CELL_WORD_1 ((v), (b)))
  32 #define SCM_VECTOR_MAX_LENGTH ((1L << 24) - 1)
  33 #define SCM_VECTOR_LENGTH(x) (((unsigned long) SCM_CELL_WORD_0 (x)) >> 8)
  34 #define SCM_MAKE_VECTOR_TAG(l, t)  (((l) << 8) + (t))
  35 #define SCM_SET_VECTOR_LENGTH(v, l, t) (SCM_SET_CELL_WORD_0 ((v), SCM_MAKE_VECTOR_TAG(l, t)))
  36
  37 #define SCM_VELTS(x) ((const SCM *) SCM_CELL_WORD_1 (x))
  38 #define SCM_VELTS_AS_STACKITEMS(x) ((SCM_STACKITEM *) SCM_CELL_WORD_1 (x))
  39 #define SCM_SETVELTS(x, v) (SCM_SET_CELL_WORD_1 ((x), (v)))
  40 #define SCM_VECTOR_REF(x, idx) (((const SCM *) SCM_CELL_WORD_1 (x))[(idx)])
  41 #define SCM_VECTOR_SET(x, idx, val) (((SCM*)SCM_CELL_WORD_1 (x))[(idx)] = (val))
  42
  43 #define SCM_GC_WRITABLE_VELTS(x) ((SCM*) SCM_VELTS(x))
  44
  45 /*
  46   no WB yet.
  47  */
  48 #define SCM_WRITABLE_VELTS(x) ((SCM*) SCM_VELTS(x))
  49
  50 \f
  51 /*
  52   bit vectors
  53  */
  54 #define SCM_BITVEC_REF(a, i) ((SCM_BITVECTOR_BASE (a) [(i) / SCM_LONG_BIT] & (1L << ((i) % SCM_LONG_BIT))) ? 1 : 0)
  55 #define SCM_BITVEC_SET(a, i) SCM_BITVECTOR_BASE (a) [(i) / SCM_LONG_BIT] |= (1L << ((i) % SCM_LONG_BIT))
  56 #define SCM_BITVEC_CLR(a, i) SCM_BITVECTOR_BASE (a) [(i) / SCM_LONG_BIT] &= ~(1L << ((i) % SCM_LONG_BIT))
  57
  58
  59 \f
  60
  61 SCM_API SCM scm_c_make_vector (unsigned long int k, SCM fill);
  62
  63 SCM_API SCM scm_vector_p (SCM x);
  64 SCM_API SCM scm_vector_length (SCM v);
  65 SCM_API SCM scm_vector (SCM l);
  66 SCM_API SCM scm_vector_ref (SCM v, SCM k);
  67 SCM_API SCM scm_vector_set_x (SCM v, SCM k, SCM obj);
  68 SCM_API SCM scm_make_vector (SCM k, SCM fill);
  69 SCM_API SCM scm_vector_to_list (SCM v);
  70 SCM_API SCM scm_vector_fill_x (SCM v, SCM fill_x);
  71 SCM_API SCM scm_vector_equal_p (SCM x, SCM y);
  72 SCM_API SCM scm_vector_move_left_x (SCM vec1, SCM start1, SCM end1,
  73                                     SCM vec2, SCM start2);
  74 SCM_API SCM scm_vector_move_right_x (SCM vec1, SCM start1, SCM end1,
  75                                      SCM vec2, SCM start2);
  76 SCM_API void scm_init_vectors (void);
  77
  78 #endif  /* SCM_VECTORS_H */
  79
  80 /*
  81   Local Variables:
  82   c-file-style: "gnu"
  83   End:
  84 */