X-Git-Url: http://git.hcoop.net/bpt/guile.git/blobdiff_plain/1bbd0b849f6b90f1ffe57e586e4ee5a884f84a11..8f6a429e4726d8dfc9ced5ff767c8611adf86394:/libguile/pairs.h diff --git a/libguile/pairs.h b/libguile/pairs.h dissimilarity index 69% index 221a33382..1dd409cfc 100644 --- a/libguile/pairs.h +++ b/libguile/pairs.h @@ -1,177 +1,94 @@ -/* classes: h_files */ - -#ifndef PAIRSH -#define PAIRSH -/* Copyright (C) 1995,1996 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" - - - -typedef struct scm_cell -{ - SCM car; - SCM cdr; -} scm_cell; - -/* SCM_PTR_LT defines how to compare two SCM_CELLPTRs (which may not be in the - * same scm_array). SCM_CELLPTR is a pointer to a cons cell which may be - * compared or differenced. SCMPTR is used for stack bounds. - */ - -#if !defined(__TURBOC__) || defined(__TOS__) - -typedef scm_cell *SCM_CELLPTR; -typedef SCM *SCMPTR; - -# ifdef nosve -# define SCM_PTR_MASK 0xffffffffffff -# define SCM_PTR_LT(x, y) (((int)(x)&SCM_PTR_MASK) < ((int)(y)&SCM_PTR_MASK)) -# else -# define SCM_PTR_LT(x, y) ((x) < (y)) -# endif /* def nosve */ - -#else /* defined(__TURBOC__) && !defined(__TOS__) */ - -# ifdef PROT386 -typedef scm_cell *SCM_CELLPTR; -typedef SCM *SCMPTR; -# define SCM_PTR_LT(x, y) (((long)(x)) < ((long)(y))) -# else -typedef scm_cell huge *SCM_CELLPTR; -typedef SCM huge *SCMPTR; -# define SCM_PTR_LT(x, y) ((x) < (y)) -# endif /* def PROT386 */ - -#endif /* defined(__TURBOC__) && !defined(__TOS__) */ - -#define SCM_PTR_GT(x, y) SCM_PTR_LT(y, x) -#define SCM_PTR_LE(x, y) (!SCM_PTR_GT(x, y)) -#define SCM_PTR_GE(x, y) (!SCM_PTR_LT(x, y)) - -#define SCM_NULLP(x) (SCM_EOL == (x)) -#define SCM_NNULLP(x) (SCM_EOL != (x)) - - - - -/* Cons Pairs - */ - -#define SCM_CAR(x) (((scm_cell *)(SCM2PTR(x)))->car) -#define SCM_CDR(x) (((scm_cell *)(SCM2PTR(x)))->cdr) -#define SCM_GCCDR(x) (~1L & SCM_CDR(x)) -#define SCM_SETCAR(x, v) (SCM_CAR(x) = (SCM)(v)) -#define SCM_SETCDR(x, v) (SCM_CDR(x) = (SCM)(v)) - -#define SCM_CARLOC(x) (&SCM_CAR (x)) -#define SCM_CDRLOC(x) (&SCM_CDR (x)) - -#define SCM_SETAND_CAR(x, y) (SCM_CAR (x) &= (y)) -#define SCM_SETAND_CDR(x, y) (SCM_CDR (x) &= (y)) -#define SCM_SETOR_CAR(x, y) (SCM_CAR (x) |= (y)) -#define SCM_SETOR_CDR(x, y) (SCM_CDR (x) |= (y)) - -#define SCM_CAAR(OBJ) SCM_CAR (SCM_CAR (OBJ)) -#define SCM_CDAR(OBJ) SCM_CDR (SCM_CAR (OBJ)) -#define SCM_CADR(OBJ) SCM_CAR (SCM_CDR (OBJ)) -#define SCM_CDDR(OBJ) SCM_CDR (SCM_CDR (OBJ)) - -#define SCM_CAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (OBJ))) -#define SCM_CDAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (OBJ))) -#define SCM_CADAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (OBJ))) -#define SCM_CDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (OBJ))) -#define SCM_CAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (OBJ))) -#define SCM_CDADR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (OBJ))) -#define SCM_CADDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (OBJ))) -#define SCM_CDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (OBJ))) - -#define SCM_CAAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ)))) -#define SCM_CDAAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ)))) -#define SCM_CADAAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ)))) -#define SCM_CDDAAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ)))) -#define SCM_CAADAR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ)))) -#define SCM_CDADAR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ)))) -#define SCM_CADDAR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ)))) -#define SCM_CDDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ)))) -#define SCM_CAAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ)))) -#define SCM_CDAADR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ)))) -#define SCM_CADADR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ)))) -#define SCM_CDDADR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ)))) -#define SCM_CAADDR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ)))) -#define SCM_CDADDR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ)))) -#define SCM_CADDDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ)))) -#define SCM_CDDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ)))) - - -#ifdef GUILE_DEBUG_FREELIST -#define SCM_NEWCELL(_into) do { _into = scm_debug_newcell (); } while (0) -#else -#define SCM_NEWCELL(_into) \ - do { \ - if (SCM_IMP(scm_freelist)) \ - _into = scm_gc_for_newcell();\ - else \ - { \ - _into = scm_freelist; \ - scm_freelist = SCM_CDR(scm_freelist);\ - SCM_SETCAR(_into, scm_tc16_allocated); \ - ++scm_cells_allocated; \ - } \ - } while(0) -#endif - - - -extern SCM scm_cons SCM_P ((SCM x, SCM y)); -extern SCM scm_cons2 SCM_P ((SCM w, SCM x, SCM y)); -extern SCM scm_pair_p SCM_P ((SCM x)); -extern SCM scm_set_car_x SCM_P ((SCM pair, SCM value)); -extern SCM scm_set_cdr_x SCM_P ((SCM pair, SCM value)); -extern void scm_init_pairs SCM_P ((void)); - -#endif /* PAIRSH */ +/* classes: h_files */ + +#ifndef SCM_PAIRS_H +#define SCM_PAIRS_H + +/* Copyright (C) 1995,1996,2000,2001 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA + */ + + + +#include "libguile/__scm.h" + + + +#if (SCM_DEBUG_PAIR_ACCESSES == 1) +# define SCM_VALIDATE_PAIR(cell, expr) \ + ((!SCM_CONSP (cell) ? scm_error_pair_access (cell), 0 : 0), (expr)) +#else +# define SCM_VALIDATE_PAIR(cell, expr) (expr) +#endif + +#define SCM_NULLP(x) (SCM_EQ_P ((x), SCM_EOL)) +#define SCM_NNULLP(x) (!SCM_NULLP (x)) + +#define SCM_CAR(x) (SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_0 (x))) +#define SCM_CDR(x) (SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_1 (x))) + +#define SCM_SETCAR(x, v) (SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_0 ((x), (v)))) +#define SCM_SETCDR(x, v) (SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_1 ((x), (v)))) + +#define SCM_CAAR(OBJ) SCM_CAR (SCM_CAR (OBJ)) +#define SCM_CDAR(OBJ) SCM_CDR (SCM_CAR (OBJ)) +#define SCM_CADR(OBJ) SCM_CAR (SCM_CDR (OBJ)) +#define SCM_CDDR(OBJ) SCM_CDR (SCM_CDR (OBJ)) + +#define SCM_CAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (OBJ))) +#define SCM_CDAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (OBJ))) +#define SCM_CADAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (OBJ))) +#define SCM_CDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (OBJ))) +#define SCM_CAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (OBJ))) +#define SCM_CDADR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (OBJ))) +#define SCM_CADDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (OBJ))) +#define SCM_CDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (OBJ))) + +#define SCM_CAAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ)))) +#define SCM_CDAAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ)))) +#define SCM_CADAAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ)))) +#define SCM_CDDAAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ)))) +#define SCM_CAADAR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ)))) +#define SCM_CDADAR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ)))) +#define SCM_CADDAR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ)))) +#define SCM_CDDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ)))) +#define SCM_CAAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ)))) +#define SCM_CDAADR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ)))) +#define SCM_CADADR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ)))) +#define SCM_CDDADR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ)))) +#define SCM_CAADDR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ)))) +#define SCM_CDADDR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ)))) +#define SCM_CADDDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ)))) +#define SCM_CDDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ)))) + + + +#if (SCM_DEBUG_PAIR_ACCESSES == 1) +SCM_API void scm_error_pair_access (SCM); +#endif +SCM_API SCM scm_cons (SCM x, SCM y); +SCM_API SCM scm_cons2 (SCM w, SCM x, SCM y); +SCM_API SCM scm_pair_p (SCM x); +SCM_API SCM scm_set_car_x (SCM pair, SCM value); +SCM_API SCM scm_set_cdr_x (SCM pair, SCM value); +SCM_API void scm_init_pairs (void); + +#endif /* SCM_PAIRS_H */ + +/* + Local Variables: + c-file-style: "gnu" + End: +*/