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1e598865e9
gdb_interface.h, gdbint.c, gdbint.h, gh_data.c, gh_init.c, gh_io.c, gh_list.c, gh_predicates.c, gh_test_c.c, gh_test_repl.c, init.c, net_db.c, options.c, options.h, ports.c, print.c, read.c, script.h, snarf.h, srcprop.c, srcprop.h, stacks.c, stacks.h, throw.c: Update copyright years; these files have been worked on significantly in 1997, but only had copyright years for 1996. Also, change name of copyright holder on some from Mikael Djurfeldt to Free Software Foundation; he has signed papers assigning the changes to the FSF.
151 lines
4.3 KiB
C
151 lines
4.3 KiB
C
/* Copyright (C) 1995,1996,1997 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 "ramap.h"
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#include "stackchk.h"
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#include "strorder.h"
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#include "smob.h"
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#include "unif.h"
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#include "eq.h"
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SCM_PROC1 (s_eq_p, "eq?", scm_tc7_rpsubr, scm_eq_p);
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SCM
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scm_eq_p (x, y)
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SCM x;
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SCM y;
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{
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return ((x==y)
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? SCM_BOOL_T
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: SCM_BOOL_F);
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}
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SCM_PROC1 (s_eqv_p, "eqv?", scm_tc7_rpsubr, scm_eqv_p);
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SCM
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scm_eqv_p (x, y)
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SCM x;
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SCM y;
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{
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if (x==y) return SCM_BOOL_T;
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if SCM_IMP(x) return SCM_BOOL_F;
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if SCM_IMP(y) return SCM_BOOL_F;
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/* this ensures that types and scm_length are the same. */
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if (SCM_CAR(x) != SCM_CAR(y)) return SCM_BOOL_F;
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if SCM_NUMP(x) {
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# ifdef SCM_BIGDIG
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if SCM_BIGP(x) return (0==scm_bigcomp(x, y)) ? SCM_BOOL_T : SCM_BOOL_F;
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# endif
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#ifdef SCM_FLOATS
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if (SCM_REALPART(x) != SCM_REALPART(y)) return SCM_BOOL_F;
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if (SCM_CPLXP(x) && (SCM_IMAG(x) != SCM_IMAG(y))) return SCM_BOOL_F;
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#endif
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return SCM_BOOL_T;
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}
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return SCM_BOOL_F;
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}
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SCM_PROC1 (s_equal_p, "equal?", scm_tc7_rpsubr, scm_equal_p);
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SCM
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scm_equal_p (x, y)
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SCM x;
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SCM y;
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{
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SCM_CHECK_STACK;
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tailrecurse: SCM_ASYNC_TICK;
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if (x==y) return SCM_BOOL_T;
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if (SCM_IMP(x)) return SCM_BOOL_F;
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if (SCM_IMP(y)) return SCM_BOOL_F;
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if (SCM_CONSP(x) && SCM_CONSP(y)) {
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if SCM_FALSEP(scm_equal_p(SCM_CAR(x), SCM_CAR(y))) return SCM_BOOL_F;
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x = SCM_CDR(x);
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y = SCM_CDR(y);
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goto tailrecurse;
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}
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if (SCM_TYP7SD (x) == scm_tc7_string
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&& SCM_TYP7SD (y) == scm_tc7_string)
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return scm_string_equal_p (x, y);
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/* This ensures that types and scm_length are the same. */
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if (SCM_CAR(x) != SCM_CAR(y)) return SCM_BOOL_F;
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switch (SCM_TYP7(x)) {
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default: return SCM_BOOL_F;
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case scm_tc7_vector:
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case scm_tc7_wvect:
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return scm_vector_equal_p(x, y);
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case scm_tc7_smob: {
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int i = SCM_SMOBNUM(x);
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if (!(i < scm_numsmob)) return SCM_BOOL_F;
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if (scm_smobs[i].equalp)
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return (scm_smobs[i].equalp)(x, y);
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else
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return SCM_BOOL_F;
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}
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case scm_tc7_bvect: case scm_tc7_uvect: case scm_tc7_ivect:
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case scm_tc7_fvect: case scm_tc7_cvect: case scm_tc7_dvect:
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case scm_tc7_svect:
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#ifdef LONGLONGS
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case scm_tc7_llvect:
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#endif
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case scm_tc7_byvect:
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if ( scm_tc16_array
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&& scm_smobs[0x0ff & (scm_tc16_array >> 8)].equalp)
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return scm_array_equal_p(x, y);
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}
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return SCM_BOOL_F;
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}
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void
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scm_init_eq ()
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{
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#include "eq.x"
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}
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