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380 lines
7.7 KiB
C
380 lines
7.7 KiB
C
/* 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 <stdio.h>
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#include "_scm.h"
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#include "eq.h"
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#include "list.h"
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#include "alist.h"
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SCM_PROC(s_acons, "acons", 3, 0, 0, scm_acons);
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SCM
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scm_acons (w, x, y)
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SCM w;
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SCM x;
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SCM y;
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{
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register SCM z;
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SCM_NEWCELL (z);
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SCM_CAR (z) = w;
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SCM_CDR (z) = x;
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x = z;
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SCM_NEWCELL (z);
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SCM_CAR (z) = x;
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SCM_CDR (z) = y;
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return z;
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}
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SCM_PROC (s_sloppy_assq, "sloppy-assq", 2, 0, 0, scm_sloppy_assq);
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SCM
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scm_sloppy_assq(x, alist)
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SCM x;
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SCM alist;
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{
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for (; SCM_NIMP (alist) && SCM_CONSP (alist); alist = SCM_CDR (alist))
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{
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SCM tmp = SCM_CAR(alist);
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if (SCM_NIMP (tmp) && SCM_CONSP (tmp) && (SCM_CAR (tmp)==x))
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return tmp;
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}
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return SCM_BOOL_F;
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}
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SCM_PROC (s_sloppy_assv, "sloppy-assv", 2, 0, 0, scm_sloppy_assv);
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SCM
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scm_sloppy_assv(x, alist)
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SCM x;
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SCM alist;
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{
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for (; SCM_NIMP (alist) && SCM_CONSP (alist); alist = SCM_CDR (alist))
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{
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SCM tmp = SCM_CAR(alist);
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if (SCM_NIMP (tmp)
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&& SCM_CONSP (tmp)
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&& SCM_NFALSEP (scm_eqv_p (SCM_CAR (tmp), x)))
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return tmp;
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}
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return SCM_BOOL_F;
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}
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SCM_PROC (s_sloppy_assoc, "sloppy-assoc", 2, 0, 0, scm_sloppy_assoc);
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SCM
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scm_sloppy_assoc(x, alist)
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SCM x;
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SCM alist;
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{
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for (; SCM_NIMP (alist) && SCM_CONSP (alist); alist = SCM_CDR (alist))
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{
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SCM tmp = SCM_CAR(alist);
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if (SCM_NIMP (tmp)
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&& SCM_CONSP (tmp)
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&& SCM_NFALSEP (scm_equal_p (SCM_CAR (tmp), x)))
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return tmp;
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}
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return SCM_BOOL_F;
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}
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SCM_PROC(s_assq, "assq", 2, 0, 0, scm_assq);
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SCM
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scm_assq(x, alist)
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SCM x;
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SCM alist;
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{
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SCM tmp;
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for(;SCM_NIMP(alist);alist = SCM_CDR(alist)) {
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SCM_ASSERT(SCM_CONSP(alist), alist, SCM_ARG2, s_assq);
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tmp = SCM_CAR(alist);
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SCM_ASSERT(SCM_NIMP(tmp) && SCM_CONSP(tmp), alist, SCM_ARG2, s_assq);
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if (SCM_CAR(tmp)==x) return tmp;
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}
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SCM_ASSERT(SCM_NULLP(alist), alist, SCM_ARG2, s_assq);
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return SCM_BOOL_F;
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}
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SCM_PROC(s_assv, "assv", 2, 0, 0, scm_assv);
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SCM
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scm_assv(x, alist)
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SCM x;
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SCM alist;
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{
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SCM tmp;
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for(;SCM_NIMP(alist);alist = SCM_CDR(alist)) {
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SCM_ASRTGO(SCM_CONSP(alist), badlst);
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tmp = SCM_CAR(alist);
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SCM_ASRTGO(SCM_NIMP(tmp) && SCM_CONSP(tmp), badlst);
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if SCM_NFALSEP(scm_eqv_p(SCM_CAR(tmp), x)) return tmp;
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}
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# ifndef RECKLESS
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if (!(SCM_NULLP(alist)))
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badlst: scm_wta(alist, (char *)SCM_ARG2, s_assv);
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# endif
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return SCM_BOOL_F;
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}
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SCM_PROC(s_assoc, "assoc", 2, 0, 0, scm_assoc);
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SCM
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scm_assoc(x, alist)
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SCM x;
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SCM alist;
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{
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SCM tmp;
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for(;SCM_NIMP(alist);alist = SCM_CDR(alist)) {
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SCM_ASSERT(SCM_CONSP(alist), alist, SCM_ARG2, s_assoc);
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tmp = SCM_CAR(alist);
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SCM_ASSERT(SCM_NIMP(tmp) && SCM_CONSP(tmp), alist, SCM_ARG2, s_assoc);
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if SCM_NFALSEP(scm_equal_p(SCM_CAR(tmp), x)) return tmp;
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}
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SCM_ASSERT(SCM_NULLP(alist), alist, SCM_ARG2, s_assoc);
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return SCM_BOOL_F;
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}
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SCM_PROC (s_assq_ref, "assq-ref", 2, 0, 0, scm_assq_ref);
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SCM
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scm_assq_ref (alist, key)
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SCM alist;
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SCM key;
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{
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SCM handle;
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handle = scm_sloppy_assq (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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return SCM_CDR (handle);
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}
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return SCM_BOOL_F;
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}
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SCM_PROC (s_assv_ref, "assv-ref", 2, 0, 0, scm_assv_ref);
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SCM
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scm_assv_ref (alist, key)
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SCM alist;
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SCM key;
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{
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SCM handle;
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handle = scm_sloppy_assv (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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return SCM_CDR (handle);
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}
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return SCM_BOOL_F;
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}
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SCM_PROC (s_assoc_ref, "assoc-ref", 2, 0, 0, scm_assoc_ref);
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SCM
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scm_assoc_ref (alist, key)
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SCM alist;
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SCM key;
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{
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SCM handle;
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handle = scm_sloppy_assoc (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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return SCM_CDR (handle);
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}
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return SCM_BOOL_F;
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}
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SCM_PROC (s_assq_set_x, "assq-set!", 3, 0, 0, scm_assq_set_x);
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SCM
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scm_assq_set_x (alist, key, val)
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SCM alist;
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SCM key;
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SCM val;
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{
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SCM handle;
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handle = scm_sloppy_assq (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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SCM_SETCDR (handle, val);
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return alist;
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}
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else
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return scm_acons (key, val, alist);
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}
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SCM_PROC (s_assv_set_x, "assv-set!", 3, 0, 0, scm_assv_set_x);
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SCM
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scm_assv_set_x (alist, key, val)
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SCM alist;
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SCM key;
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SCM val;
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{
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SCM handle;
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handle = scm_sloppy_assv (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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SCM_SETCDR (handle, val);
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return alist;
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}
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else
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return scm_acons (key, val, alist);
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}
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SCM_PROC (s_assoc_set_x, "assoc-set!", 3, 0, 0, scm_assoc_set_x);
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SCM
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scm_assoc_set_x (alist, key, val)
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SCM alist;
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SCM key;
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SCM val;
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{
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SCM handle;
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handle = scm_sloppy_assoc (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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SCM_SETCDR (handle, val);
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return alist;
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}
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else
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return scm_acons (key, val, alist);
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}
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SCM_PROC (s_assq_remove_x, "assq-remove!", 2, 0, 0, scm_assq_remove_x);
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SCM
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scm_assq_remove_x (alist, key)
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SCM alist;
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SCM key;
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{
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SCM handle;
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handle = scm_sloppy_assq (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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return scm_delq_x (handle, alist);
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}
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else
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return alist;
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}
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SCM_PROC (s_assv_remove_x, "assv-remove!", 2, 0, 0, scm_assv_remove_x);
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SCM
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scm_assv_remove_x (alist, key)
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SCM alist;
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SCM key;
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{
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SCM handle;
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handle = scm_sloppy_assv (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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return scm_delv_x (handle, alist);
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}
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else
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return alist;
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}
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SCM_PROC (s_assoc_remove_x, "assoc-remove!", 2, 0, 0, scm_assoc_remove_x);
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SCM
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scm_assoc_remove_x (alist, key)
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SCM alist;
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SCM key;
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{
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SCM handle;
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handle = scm_sloppy_assoc (key, alist);
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if (SCM_NIMP (handle) && SCM_CONSP (handle))
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{
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return scm_delete_x (handle, alist);
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}
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else
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return alist;
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}
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void
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scm_init_alist ()
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{
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#include "alist.x"
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}
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