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/* Copyright (C) 1995,1996,1997,1998, 2000, 2001 Free Software Foundation, Inc.
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this software; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
* Boston, MA 02111-1307 USA
*
* As a special exception, the Free Software Foundation gives permission
* for additional uses of the text contained in its release of GUILE.
*
* The exception is that, if you link the GUILE library with other files
* to produce an executable, this does not by itself cause the
* resulting executable to be covered by the GNU General Public License.
* Your use of that executable is in no way restricted on account of
* linking the GUILE library code into it.
*
* This exception does not however invalidate any other reasons why
* the executable file might be covered by the GNU General Public License.
*
* This exception applies only to the code released by the
* Free Software Foundation under the name GUILE. If you copy
* code from other Free Software Foundation releases into a copy of
* GUILE, as the General Public License permits, the exception does
* not apply to the code that you add in this way. To avoid misleading
* anyone as to the status of such modified files, you must delete
* this exception notice from them.
*
* If you write modifications of your own for GUILE, it is your choice
* whether to permit this exception to apply to your modifications.
* If you do not wish that, delete this exception notice. */
/* Defining Scheme functions implemented by C functions --- subrs. */
#include "libguile/gh.h"
/* allows you to define new scheme primitives written in C */
SCM
gh_new_procedure (const char *proc_name, SCM (*fn) (),
int n_required_args, int n_optional_args, int varp)
{
return scm_c_define_gsubr (proc_name, n_required_args, n_optional_args,
varp, fn);
}
SCM
gh_new_procedure0_0 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 0, 0, 0);
}
SCM
gh_new_procedure0_1 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 0, 1, 0);
}
SCM
gh_new_procedure0_2 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 0, 2, 0);
}
SCM
gh_new_procedure1_0 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 1, 0, 0);
}
SCM
gh_new_procedure1_1 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 1, 1, 0);
}
SCM
gh_new_procedure1_2 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 1, 2, 0);
}
SCM
gh_new_procedure2_0 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 2, 0, 0);
}
SCM
gh_new_procedure2_1 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 2, 1, 0);
}
SCM
gh_new_procedure2_2 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 2, 2, 0);
}
SCM
gh_new_procedure3_0 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 3, 0, 0);
}
SCM
gh_new_procedure4_0 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 4, 0, 0);
}
SCM
gh_new_procedure5_0 (const char *proc_name, SCM (*fn) ())
{
return gh_new_procedure (proc_name, fn, 5, 0, 0);
}
/* some (possibly most) Scheme functions available from C */
SCM
gh_define (const char *name, SCM val)
{
scm_c_define (name, val);
return SCM_UNSPECIFIED;
}
/* Calling Scheme functions from C. */
SCM
gh_apply (SCM proc, SCM args)
{
return scm_apply (proc, args, SCM_EOL);
}
SCM
gh_call0 (SCM proc)
{
return scm_apply (proc, SCM_EOL, SCM_EOL);
}
SCM
gh_call1 (SCM proc, SCM arg)
{
return scm_apply (proc, arg, scm_listofnull);
}
SCM
gh_call2 (SCM proc, SCM arg1, SCM arg2)
{
return scm_apply (proc, arg1, scm_cons (arg2, scm_listofnull));
}
SCM
gh_call3 (SCM proc, SCM arg1, SCM arg2, SCM arg3)
{
return scm_apply (proc, arg1, scm_cons2 (arg2, arg3, scm_listofnull));
}
/*
Local Variables:
c-file-style: "gnu"
End:
*/
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