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df9ca8d8b2
* libguile/gsubr.c (create_gsubr, create_gsubr_with_generic): Always create gsubrs -- never the specialized tc7 types. Allow gsubrs to have generics, there doesn't seem to be any reason not to. * libguile/macros.c (scm_make_synt): * libguile/values.c (scm_init_values): * libguile/eval.c (scm_init_eval): * libguile/gc.c (scm_init_gc): Use scm_c_define_gsubr instead of scm_c_define_subr. * libguile/goops.c (scm_class_of): Allow gsubrs to be primitive generics.
93 lines
2.5 KiB
C
93 lines
2.5 KiB
C
/* Copyright (C) 2000, 2001, 2006, 2008, 2009 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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#ifdef HAVE_CONFIG_H
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# include <config.h>
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#endif
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#include "libguile/_scm.h"
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#include "libguile/eval.h"
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#include "libguile/feature.h"
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#include "libguile/gc.h"
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#include "libguile/numbers.h"
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#include "libguile/ports.h"
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#include "libguile/root.h"
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#include "libguile/strings.h"
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#include "libguile/struct.h"
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#include "libguile/validate.h"
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#include "libguile/values.h"
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SCM scm_values_vtable;
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static SCM
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print_values (SCM obj, SCM pwps)
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{
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SCM values = scm_struct_ref (obj, SCM_INUM0);
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SCM port = SCM_PORT_WITH_PS_PORT (pwps);
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scm_print_state *ps = SCM_PRINT_STATE (SCM_PORT_WITH_PS_PS (pwps));
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scm_puts ("#<values ", port);
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scm_iprin1 (values, port, ps);
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scm_puts (">", port);
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return SCM_UNSPECIFIED;
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}
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SCM_DEFINE (scm_values, "values", 0, 0, 1,
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(SCM args),
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"Delivers all of its arguments to its continuation. Except for\n"
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"continuations created by the @code{call-with-values} procedure,\n"
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"all continuations take exactly one value. The effect of\n"
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"passing no value or more than one value to continuations that\n"
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"were not created by @code{call-with-values} is unspecified.")
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#define FUNC_NAME s_scm_values
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{
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long n;
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SCM result;
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SCM_VALIDATE_LIST_COPYLEN (1, args, n);
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if (n == 1)
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result = SCM_CAR (args);
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else
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{
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result = scm_make_struct (scm_values_vtable, SCM_INUM0,
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scm_list_1 (args));
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}
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return result;
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}
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#undef FUNC_NAME
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void
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scm_init_values (void)
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{
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SCM print = scm_c_define_gsubr ("%print-values", 2, 0, 0, print_values);
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scm_values_vtable = scm_make_vtable (scm_from_locale_string ("pr"), print);
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scm_add_feature ("values");
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#include "libguile/values.x"
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}
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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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