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92a61010bd
* doc/ref/vm.texi: * libguile/boolean.h: * libguile/pairs.h: * module/language/elisp/README: * test-suite/tests/elisp-compiler.test: * test-suite/tests/load.test: Change remaining mentions of %nil to #nil.
155 lines
5.3 KiB
C
155 lines
5.3 KiB
C
/* classes: h_files */
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#ifndef SCM_PAIRS_H
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#define SCM_PAIRS_H
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/* Copyright (C) 1995,1996,2000,2001, 2004, 2006, 2008, 2009, 2010 Free Software Foundation, Inc.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public License
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* as published by the Free Software Foundation; either version 3 of
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* the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301 USA
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*/
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#include "libguile/__scm.h"
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#if (SCM_DEBUG_PAIR_ACCESSES == 1)
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# define SCM_VALIDATE_PAIR(cell, expr) \
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((!scm_is_pair (cell) ? scm_error_pair_access (cell), 0 : 0), (expr))
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#else
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# define SCM_VALIDATE_PAIR(cell, expr) (expr)
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#endif
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/*
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* Use scm_is_null_and_not_nil if it's important (for correctness)
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* that #nil must NOT be considered null.
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*/
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#define scm_is_null_and_not_nil(x) (scm_is_eq ((x), SCM_EOL))
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/*
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* Use scm_is_null_assume_not_nil if
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#nil will never be tested,
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* for increased efficiency.
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*/
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#define scm_is_null_assume_not_nil(x) (scm_is_eq ((x), SCM_EOL))
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/*
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* See the comments preceeding the definitions of SCM_BOOL_F and
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* SCM_MATCHES_BITS_IN_COMMON in tags.h for more information on
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* how the following macro works.
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*/
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#define scm_is_null_or_nil(x) \
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(SCM_MATCHES_BITS_IN_COMMON ((x), SCM_ELISP_NIL, SCM_EOL))
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/* Older spellings for these nil predicates. */
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#define SCM_NILP(x) (scm_is_eq ((x), SCM_ELISP_NIL))
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#define SCM_NULL_OR_NIL_P(x) (scm_is_null_or_nil (x))
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/* #nil is null. */
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#define scm_is_null(x) (scm_is_null_or_nil(x))
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#define SCM_CAR(x) (SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_0 (x)))
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#define SCM_CDR(x) (SCM_VALIDATE_PAIR (x, SCM_CELL_OBJECT_1 (x)))
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#define SCM_SETCAR(x, v) (SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_0 ((x), (v))))
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#define SCM_SETCDR(x, v) (SCM_VALIDATE_PAIR (x, SCM_SET_CELL_OBJECT_1 ((x), (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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#if (SCM_DEBUG_PAIR_ACCESSES == 1)
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SCM_API void scm_error_pair_access (SCM);
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#endif
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SCM_API SCM scm_cons (SCM x, SCM y);
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SCM_API SCM scm_cons2 (SCM w, SCM x, SCM y);
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SCM_API SCM scm_pair_p (SCM x);
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SCM_API SCM scm_car (SCM x);
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SCM_API SCM scm_cdr (SCM x);
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SCM_API SCM scm_set_car_x (SCM pair, SCM value);
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SCM_API SCM scm_set_cdr_x (SCM pair, SCM value);
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SCM_API SCM scm_cddr (SCM x);
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SCM_API SCM scm_cdar (SCM x);
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SCM_API SCM scm_cadr (SCM x);
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SCM_API SCM scm_caar (SCM x);
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SCM_API SCM scm_cdddr (SCM x);
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SCM_API SCM scm_cddar (SCM x);
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SCM_API SCM scm_cdadr (SCM x);
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SCM_API SCM scm_cdaar (SCM x);
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SCM_API SCM scm_caddr (SCM x);
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SCM_API SCM scm_cadar (SCM x);
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SCM_API SCM scm_caadr (SCM x);
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SCM_API SCM scm_caaar (SCM x);
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SCM_API SCM scm_cddddr (SCM x);
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SCM_API SCM scm_cdddar (SCM x);
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SCM_API SCM scm_cddadr (SCM x);
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SCM_API SCM scm_cddaar (SCM x);
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SCM_API SCM scm_cdaddr (SCM x);
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SCM_API SCM scm_cdadar (SCM x);
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SCM_API SCM scm_cdaadr (SCM x);
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SCM_API SCM scm_cdaaar (SCM x);
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SCM_API SCM scm_cadddr (SCM x);
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SCM_API SCM scm_caddar (SCM x);
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SCM_API SCM scm_cadadr (SCM x);
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SCM_API SCM scm_cadaar (SCM x);
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SCM_API SCM scm_caaddr (SCM x);
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SCM_API SCM scm_caadar (SCM x);
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SCM_API SCM scm_caaadr (SCM x);
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SCM_API SCM scm_caaaar (SCM x);
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SCM_INTERNAL void scm_init_pairs (void);
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#endif /* SCM_PAIRS_H */
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/*
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Local Variables:
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c-file-style: "gnu"
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End:
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*/
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