X-Git-Url: http://git.hcoop.net/bpt/guile.git/blobdiff_plain/89e00824a036e0490aa91d50401450059d9b1dd2..53befeb700c31dec58cec2c8f6f34535541a2f39:/libguile/vectors.h diff --git a/libguile/vectors.h b/libguile/vectors.h dissimilarity index 94% index 6245fb02c..902e15a63 100644 --- a/libguile/vectors.h +++ b/libguile/vectors.h @@ -1,94 +1,113 @@ -/* classes: h_files */ - -#ifndef VECTORSH -#define VECTORSH -/* Copyright (C) 1995, 1996, 1998 Free Software Foundation, Inc. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2, or (at your option) - * any later version. - * - * This program 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 for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; see the file COPYING. If not, write to - * the Free Software Foundation, Inc., 59 Temple Place, Suite 330, - * Boston, MA 02111-1307 USA - * - * As a special exception, the Free Software Foundation gives permission - * for additional uses of the text contained in its release of GUILE. - * - * The exception is that, if you link the GUILE library with other files - * to produce an executable, this does not by itself cause the - * resulting executable to be covered by the GNU General Public License. - * Your use of that executable is in no way restricted on account of - * linking the GUILE library code into it. - * - * This exception does not however invalidate any other reasons why - * the executable file might be covered by the GNU General Public License. - * - * This exception applies only to the code released by the - * Free Software Foundation under the name GUILE. If you copy - * code from other Free Software Foundation releases into a copy of - * GUILE, as the General Public License permits, the exception does - * not apply to the code that you add in this way. To avoid misleading - * anyone as to the status of such modified files, you must delete - * this exception notice from them. - * - * If you write modifications of your own for GUILE, it is your choice - * whether to permit this exception to apply to your modifications. - * If you do not wish that, delete this exception notice. */ - -/* Software engineering face-lift by Greg J. Badros, 11-Dec-1999, - gjb@cs.washington.edu, http://www.cs.washington.edu/homes/gjb */ - - -#include "libguile/__scm.h" - - - -#define SCM_VECTORP(x) (SCM_NIMP(x) && (SCM_TYP7S(x)==scm_tc7_vector)) -#define SCM_NVECTORP(x) (!SCM_VECTORP(x)) -#define SCM_VELTS(x) ((SCM *)SCM_CDR(x)) -#define SCM_VELTS_AS_STACKITEMS(x) ((SCM_STACKITEM *)SCM_CDR(x)) -#define SCM_SETVELTS SCM_SETCDR - - - -/* - bit vectors - */ -#define SCM_BITVEC_REF(a, i) ((SCM_UNPACK(SCM_VELTS(a)[(i)/SCM_LONG_BIT]) & (1L<<((i)%SCM_LONG_BIT))) ? 1 : 0) -#define SCM_BITVEC_SET(a, i) SCM_UNPACK(SCM_VELTS(a)[(i)/SCM_LONG_BIT]) |= (1L<<((i)%SCM_LONG_BIT)) -#define SCM_BITVEC_CLR(a, i) SCM_UNPACK(SCM_VELTS(a)[(i)/SCM_LONG_BIT]) &= ~(1L<<((i)%SCM_LONG_BIT)) - - - - -extern SCM scm_vector_set_length_x (SCM vect, SCM len); -extern SCM scm_vector_p (SCM x); -extern SCM scm_vector_length (SCM v); -extern SCM scm_vector (SCM l); -extern SCM scm_vector_ref (SCM v, SCM k); -extern SCM scm_vector_set_x (SCM v, SCM k, SCM obj); -extern SCM scm_make_vector (SCM k, SCM fill); -extern SCM scm_vector_to_list (SCM v); -extern SCM scm_vector_fill_x (SCM v, SCM fill_x); -extern SCM scm_vector_equal_p (SCM x, SCM y); -extern SCM scm_vector_move_left_x (SCM vec1, SCM start1, SCM end1, - SCM vec2, SCM start2); -extern SCM scm_vector_move_right_x (SCM vec1, SCM start1, SCM end1, - SCM vec2, SCM start2); -extern void scm_init_vectors (void); - -#endif /* VECTORSH */ - -/* - Local Variables: - c-file-style: "gnu" - End: -*/ +/* classes: h_files */ + +#ifndef SCM_VECTORS_H +#define SCM_VECTORS_H + +/* Copyright (C) 1995,1996,1998,2000,2001,2002,2004,2005, 2006, 2008 Free Software Foundation, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 3 of + * the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + + + +#include "libguile/__scm.h" +#include "libguile/unif.h" + + + +SCM_API SCM scm_vector_p (SCM x); +SCM_API SCM scm_vector_length (SCM v); +SCM_API SCM scm_vector (SCM l); +SCM_API SCM scm_vector_ref (SCM v, SCM k); +SCM_API SCM scm_vector_set_x (SCM v, SCM k, SCM obj); +SCM_API SCM scm_make_vector (SCM k, SCM fill); +SCM_API SCM scm_vector_to_list (SCM v); +SCM_API SCM scm_vector_fill_x (SCM v, SCM fill_x); +SCM_API SCM scm_vector_move_left_x (SCM vec1, SCM start1, SCM end1, + SCM vec2, SCM start2); +SCM_API SCM scm_vector_move_right_x (SCM vec1, SCM start1, SCM end1, + SCM vec2, SCM start2); +SCM_API SCM scm_vector_copy (SCM vec); + +SCM_API int scm_is_vector (SCM obj); +SCM_API int scm_is_simple_vector (SCM obj); +SCM_API SCM scm_c_make_vector (size_t len, SCM fill); +SCM_API size_t scm_c_vector_length (SCM vec); +SCM_API SCM scm_c_vector_ref (SCM vec, size_t k); +SCM_API void scm_c_vector_set_x (SCM vec, size_t k, SCM obj); +SCM_API const SCM *scm_vector_elements (SCM vec, + scm_t_array_handle *h, + size_t *lenp, ssize_t *incp); +SCM_API SCM *scm_vector_writable_elements (SCM vec, + scm_t_array_handle *h, + size_t *lenp, ssize_t *incp); + +/* Fast, non-checking accessors for simple vectors. + */ +#define SCM_SIMPLE_VECTOR_LENGTH(x) SCM_I_VECTOR_LENGTH(x) +#define SCM_SIMPLE_VECTOR_REF(x,idx) ((SCM_I_VECTOR_ELTS(x))[idx]) +#define SCM_SIMPLE_VECTOR_SET(x,idx,val) ((SCM_I_VECTOR_WELTS(x))[idx]=(val)) + +/* Generalized vectors */ + +SCM_API SCM scm_generalized_vector_p (SCM v); +SCM_API SCM scm_generalized_vector_length (SCM v); +SCM_API SCM scm_generalized_vector_ref (SCM v, SCM idx); +SCM_API SCM scm_generalized_vector_set_x (SCM v, SCM idx, SCM val); +SCM_API SCM scm_generalized_vector_to_list (SCM v); + +SCM_API int scm_is_generalized_vector (SCM obj); +SCM_API size_t scm_c_generalized_vector_length (SCM v); +SCM_API SCM scm_c_generalized_vector_ref (SCM v, size_t idx); +SCM_API void scm_c_generalized_vector_set_x (SCM v, size_t idx, SCM val); +SCM_API void scm_generalized_vector_get_handle (SCM vec, + scm_t_array_handle *h); + +/* Internals */ + +#define SCM_I_IS_VECTOR(x) (!SCM_IMP(x) && (SCM_TYP7S(x)==scm_tc7_vector)) +#define SCM_I_VECTOR_ELTS(x) ((const SCM *) SCM_CELL_WORD_1 (x)) +#define SCM_I_VECTOR_WELTS(x) ((SCM *) SCM_CELL_WORD_1 (x)) +#define SCM_I_VECTOR_LENGTH(x) (((size_t) SCM_CELL_WORD_0 (x)) >> 8) + +SCM_INTERNAL void scm_i_vector_free (SCM vec); +SCM_INTERNAL SCM scm_i_vector_equal_p (SCM x, SCM y); + +/* Weak vectors share implementation details with ordinary vectors, + but no one else should. + */ + +#define SCM_I_WVECTP(x) (!SCM_IMP (x) && \ + SCM_TYP7 (x) == scm_tc7_wvect) +#define SCM_I_WVECT_LENGTH SCM_I_VECTOR_LENGTH +#define SCM_I_WVECT_VELTS SCM_I_VECTOR_ELTS +#define SCM_I_WVECT_GC_WVELTS SCM_I_VECTOR_WELTS +#define SCM_I_WVECT_EXTRA(x) (SCM_CELL_WORD_2 (x)) +#define SCM_I_SET_WVECT_EXTRA(x, t) (SCM_SET_CELL_WORD_2 ((x),(t))) +#define SCM_I_WVECT_GC_CHAIN(x) (SCM_CELL_OBJECT_3 (x)) +#define SCM_I_SET_WVECT_GC_CHAIN(x, o) (SCM_SET_CELL_OBJECT_3 ((x), (o))) + +SCM_INTERNAL SCM scm_i_allocate_weak_vector (scm_t_bits type, SCM size, SCM fill); + +SCM_INTERNAL void scm_init_vectors (void); + +#endif /* SCM_VECTORS_H */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/