mirror of
https://git.savannah.gnu.org/git/guile.git
synced 2025-04-30 11:50:28 +02:00
b4309c3c5a
continuations.h, debug.h, dynwind.h, error.h, eval.h, fdsocket.h, feature.h, filesys.h, fports.h, gc.h, gdbint.h, genio.h, gsubr.h, hash.h, init.h, ioext.h, kw.h, list.h, markers.h, marksweep.h, mbstrings.h, numbers.h, objprop.h, options.h, pairs.h, ports.h, posix.h, print.h, procprop.h, procs.h, ramap.h, read.h, root.h, sequences.h, smob.h, socket.h, srcprop.h, stackchk.h, stime.h, strings.h, strop.h, strorder.h, strports.h, struct.h, symbols.h, tag.h, throw.h, unif.h, variable.h, vectors.h, version.h, vports.h, weaks.h: #include "libguile/__scm.h", not <libguile/__scm.h>. This allows 'gcc -MM' to determine which dependencies are within libguile properly.
170 lines
5.9 KiB
C
170 lines
5.9 KiB
C
/* classes: h_files */
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#ifndef PAIRSH
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#define PAIRSH
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/* Copyright (C) 1995,1996 Free Software Foundation, Inc.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* As a special exception, the Free Software Foundation gives permission
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* for additional uses of the text contained in its release of GUILE.
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*
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* The exception is that, if you link the GUILE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public License.
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* Your use of that executable is in no way restricted on account of
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* linking the GUILE library code into it.
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*
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* This exception does not however invalidate any other reasons why
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* the executable file might be covered by the GNU General Public License.
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*
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* This exception applies only to the code released by the
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* Free Software Foundation under the name GUILE. If you copy
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* code from other Free Software Foundation releases into a copy of
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* GUILE, as the General Public License permits, the exception does
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* not apply to the code that you add in this way. To avoid misleading
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* anyone as to the status of such modified files, you must delete
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* this exception notice from them.
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*
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* If you write modifications of your own for GUILE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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*/
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#include "libguile/__scm.h"
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typedef struct scm_cell
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{
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SCM car;
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SCM cdr;
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} scm_cell;
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/* SCM_PTR_LT defines how to compare two SCM_CELLPTRs (which may not be in the
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* same scm_array). SCM_CELLPTR is a pointer to a cons cell which may be
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* compared or differenced. SCMPTR is used for stack bounds.
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*/
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#if !defined(__TURBOC__) || defined(__TOS__)
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typedef scm_cell *SCM_CELLPTR;
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typedef SCM *SCMPTR;
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# ifdef nosve
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# define SCM_PTR_MASK 0xffffffffffff
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# define SCM_PTR_LT(x, y) (((int)(x)&SCM_PTR_MASK) < ((int)(y)&SCM_PTR_MASK))
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# else
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# define SCM_PTR_LT(x, y) ((x) < (y))
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# endif /* def nosve */
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#else /* defined(__TURBOC__) && !defined(__TOS__) */
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# ifdef PROT386
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typedef scm_cell *SCM_CELLPTR;
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typedef SCM *SCMPTR;
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# define SCM_PTR_LT(x, y) (((long)(x)) < ((long)(y)))
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# else
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typedef scm_cell huge *SCM_CELLPTR;
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typedef SCM huge *SCMPTR;
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# define SCM_PTR_LT(x, y) ((x) < (y))
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# endif /* def PROT386 */
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#endif /* defined(__TURBOC__) && !defined(__TOS__) */
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#define SCM_PTR_GT(x, y) SCM_PTR_LT(y, x)
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#define SCM_PTR_LE(x, y) (!SCM_PTR_GT(x, y))
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#define SCM_PTR_GE(x, y) (!SCM_PTR_LT(x, y))
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#define SCM_EOL SCM_BOOL_F
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#define SCM_NULLP(x) (SCM_EOL == (x))
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#define SCM_NNULLP(x) (SCM_EOL != (x))
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/* Cons Pairs
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*/
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#define SCM_CAR(x) (((scm_cell *)(SCM2PTR(x)))->car)
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#define SCM_CDR(x) (((scm_cell *)(SCM2PTR(x)))->cdr)
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#define SCM_GCCDR(x) (~1L & SCM_CDR(x))
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#define SCM_SETCDR(x, v) SCM_CDR(x) = (SCM)(v)
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#define SCM_SETCAR(x, v) SCM_CAR(x) = (SCM)(v)
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#define SCM_CAAR(OBJ) SCM_CAR (SCM_CAR (OBJ))
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#define SCM_CDAR(OBJ) SCM_CDR (SCM_CAR (OBJ))
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#define SCM_CADR(OBJ) SCM_CAR (SCM_CDR (OBJ))
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#define SCM_CDDR(OBJ) SCM_CDR (SCM_CDR (OBJ))
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#define SCM_CAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (OBJ)))
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#define SCM_CDAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (OBJ)))
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#define SCM_CADAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (OBJ)))
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#define SCM_CDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (OBJ)))
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#define SCM_CAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (OBJ)))
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#define SCM_CDADR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (OBJ)))
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#define SCM_CADDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (OBJ)))
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#define SCM_CDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (OBJ)))
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#define SCM_CAAAAR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ))))
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#define SCM_CDAAAR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CAR (OBJ))))
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#define SCM_CADAAR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ))))
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#define SCM_CDDAAR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CAR (OBJ))))
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#define SCM_CAADAR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ))))
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#define SCM_CDADAR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CAR (OBJ))))
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#define SCM_CADDAR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ))))
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#define SCM_CDDDAR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CAR (OBJ))))
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#define SCM_CAAADR(OBJ) SCM_CAR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ))))
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#define SCM_CDAADR(OBJ) SCM_CDR (SCM_CAR (SCM_CAR (SCM_CDR (OBJ))))
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#define SCM_CADADR(OBJ) SCM_CAR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ))))
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#define SCM_CDDADR(OBJ) SCM_CDR (SCM_CDR (SCM_CAR (SCM_CDR (OBJ))))
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#define SCM_CAADDR(OBJ) SCM_CAR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ))))
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#define SCM_CDADDR(OBJ) SCM_CDR (SCM_CAR (SCM_CDR (SCM_CDR (OBJ))))
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#define SCM_CADDDR(OBJ) SCM_CAR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ))))
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#define SCM_CDDDDR(OBJ) SCM_CDR (SCM_CDR (SCM_CDR (SCM_CDR (OBJ))))
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#define SCM_NEWCELL(_into) \
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{ \
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if (SCM_IMP(scm_freelist)) \
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_into = scm_gc_for_newcell();\
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else \
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{ \
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_into = scm_freelist; \
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scm_freelist = SCM_CDR(scm_freelist);\
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++scm_cells_allocated; \
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} \
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}
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#ifdef __STDC__
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extern SCM scm_cons (SCM x, SCM y);
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extern SCM scm_cons2 (SCM w, SCM x, SCM y);
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extern SCM scm_pair_p(SCM x);
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extern SCM scm_set_car_x(SCM pair, SCM value);
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extern SCM scm_set_cdr_x(SCM pair, SCM value);
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extern void scm_init_pairs (void);
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#else /* STDC */
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extern SCM scm_cons ();
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extern SCM scm_cons2 ();
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extern SCM scm_pair_p();
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extern SCM scm_set_car_x();
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extern SCM scm_set_cdr_x();
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extern void scm_init_pairs ();
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#endif /* STDC */
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#endif /* PAIRSH */
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