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150 lines
3.3 KiB
C
150 lines
3.3 KiB
C
/* Copyright (C) 1995,1996,1997,1998, 2000, 2001 Free Software Foundation, Inc.
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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
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* License as published by the Free Software Foundation; either
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* version 2.1 of 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,
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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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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/* Defining Scheme functions implemented by C functions --- subrs. */
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#include "libguile/gh.h"
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/* allows you to define new scheme primitives written in C */
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SCM
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gh_new_procedure (const char *proc_name, SCM (*fn) (),
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int n_required_args, int n_optional_args, int varp)
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{
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return scm_c_define_gsubr (proc_name, n_required_args, n_optional_args,
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varp, fn);
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}
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SCM
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gh_new_procedure0_0 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 0, 0, 0);
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}
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SCM
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gh_new_procedure0_1 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 0, 1, 0);
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}
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SCM
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gh_new_procedure0_2 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 0, 2, 0);
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}
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SCM
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gh_new_procedure1_0 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 1, 0, 0);
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}
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SCM
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gh_new_procedure1_1 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 1, 1, 0);
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}
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SCM
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gh_new_procedure1_2 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 1, 2, 0);
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}
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SCM
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gh_new_procedure2_0 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 2, 0, 0);
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}
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SCM
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gh_new_procedure2_1 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 2, 1, 0);
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}
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SCM
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gh_new_procedure2_2 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 2, 2, 0);
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}
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SCM
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gh_new_procedure3_0 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 3, 0, 0);
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}
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SCM
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gh_new_procedure4_0 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 4, 0, 0);
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}
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SCM
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gh_new_procedure5_0 (const char *proc_name, SCM (*fn) ())
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{
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return gh_new_procedure (proc_name, fn, 5, 0, 0);
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}
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/* some (possibly most) Scheme functions available from C */
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SCM
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gh_define (const char *name, SCM val)
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{
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scm_c_define (name, val);
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return SCM_UNSPECIFIED;
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}
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/* Calling Scheme functions from C. */
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SCM
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gh_apply (SCM proc, SCM args)
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{
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return scm_apply (proc, args, SCM_EOL);
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}
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SCM
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gh_call0 (SCM proc)
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{
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return scm_apply (proc, SCM_EOL, SCM_EOL);
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}
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SCM
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gh_call1 (SCM proc, SCM arg)
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{
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return scm_apply (proc, arg, scm_listofnull);
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}
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SCM
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gh_call2 (SCM proc, SCM arg1, SCM arg2)
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{
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return scm_apply (proc, arg1, scm_cons (arg2, scm_listofnull));
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}
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SCM
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gh_call3 (SCM proc, SCM arg1, SCM arg2, SCM arg3)
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{
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return scm_apply (proc, arg1, scm_cons2 (arg2, arg3, scm_listofnull));
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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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