libguile/gh_funcs.c

   1 /*      Copyright (C) 1995,1996,1997,1998, 2000, 2001, 2006 Free Software Foundation, Inc.
   2
   3  * This library is free software; you can redistribute it and/or
   4  * modify it under the terms of the GNU Lesser General Public
   5  * License as published by the Free Software Foundation; either
   6  * version 2.1 of the License, or (at your option) any later version.
   7  *
   8  * This library is distributed in the hope that it will be useful,
   9  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  * Lesser General Public License for more details.
  12  *
  13  * You should have received a copy of the GNU Lesser General Public
  14  * License along with this library; if not, write to the Free Software
  15  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  16  */
  17 \f
  18
  19 \f
  20 /* Defining Scheme functions implemented by C functions --- subrs.  */
  21
  22 #include "libguile/gh.h"
  23
  24 #if SCM_ENABLE_DEPRECATED
  25
  26 /* allows you to define new scheme primitives written in C */
  27 SCM
  28 gh_new_procedure (const char *proc_name, SCM (*fn) (),
  29                   int n_required_args, int n_optional_args, int varp)
  30 {
  31   return scm_c_define_gsubr (proc_name, n_required_args, n_optional_args,
  32                              varp, fn);
  33 }
  34
  35 SCM
  36 gh_new_procedure0_0 (const char *proc_name, SCM (*fn) ())
  37 {
  38   return gh_new_procedure (proc_name, fn, 0, 0, 0);
  39 }
  40
  41 SCM
  42 gh_new_procedure0_1 (const char *proc_name, SCM (*fn) ())
  43 {
  44   return gh_new_procedure (proc_name, fn, 0, 1, 0);
  45 }
  46
  47 SCM
  48 gh_new_procedure0_2 (const char *proc_name, SCM (*fn) ())
  49 {
  50   return gh_new_procedure (proc_name, fn, 0, 2, 0);
  51 }
  52
  53 SCM
  54 gh_new_procedure1_0 (const char *proc_name, SCM (*fn) ())
  55 {
  56   return gh_new_procedure (proc_name, fn, 1, 0, 0);
  57 }
  58
  59 SCM
  60 gh_new_procedure1_1 (const char *proc_name, SCM (*fn) ())
  61 {
  62   return gh_new_procedure (proc_name, fn, 1, 1, 0);
  63 }
  64
  65 SCM
  66 gh_new_procedure1_2 (const char *proc_name, SCM (*fn) ())
  67 {
  68   return gh_new_procedure (proc_name, fn, 1, 2, 0);
  69 }
  70
  71 SCM
  72 gh_new_procedure2_0 (const char *proc_name, SCM (*fn) ())
  73 {
  74   return gh_new_procedure (proc_name, fn, 2, 0, 0);
  75 }
  76
  77 SCM
  78 gh_new_procedure2_1 (const char *proc_name, SCM (*fn) ())
  79 {
  80   return gh_new_procedure (proc_name, fn, 2, 1, 0);
  81 }
  82
  83 SCM
  84 gh_new_procedure2_2 (const char *proc_name, SCM (*fn) ())
  85 {
  86   return gh_new_procedure (proc_name, fn, 2, 2, 0);
  87 }
  88
  89 SCM
  90 gh_new_procedure3_0 (const char *proc_name, SCM (*fn) ())
  91 {
  92   return gh_new_procedure (proc_name, fn, 3, 0, 0);
  93 }
  94
  95 SCM
  96 gh_new_procedure4_0 (const char *proc_name, SCM (*fn) ())
  97 {
  98   return gh_new_procedure (proc_name, fn, 4, 0, 0);
  99 }
 100
 101 SCM
 102 gh_new_procedure5_0 (const char *proc_name, SCM (*fn) ())
 103 {
 104   return gh_new_procedure (proc_name, fn, 5, 0, 0);
 105 }
 106
 107 /* some (possibly most) Scheme functions available from C */
 108 SCM
 109 gh_define (const char *name, SCM val)
 110 {
 111   scm_c_define (name, val);
 112   return SCM_UNSPECIFIED;
 113 }
 114
 115 \f
 116 /* Calling Scheme functions from C.  */
 117
 118 SCM
 119 gh_apply (SCM proc, SCM args)
 120 {
 121   return scm_apply (proc, args, SCM_EOL);
 122 }
 123
 124 SCM
 125 gh_call0 (SCM proc)
 126 {
 127   return scm_apply (proc, SCM_EOL, SCM_EOL);
 128 }
 129
 130 SCM
 131 gh_call1 (SCM proc, SCM arg)
 132 {
 133   return scm_apply (proc, arg, scm_listofnull);
 134 }
 135
 136 SCM
 137 gh_call2 (SCM proc, SCM arg1, SCM arg2)
 138 {
 139   return scm_apply (proc, arg1, scm_cons (arg2, scm_listofnull));
 140 }
 141
 142 SCM
 143 gh_call3 (SCM proc, SCM arg1, SCM arg2, SCM arg3)
 144 {
 145   return scm_apply (proc, arg1, scm_cons2 (arg2, arg3, scm_listofnull));
 146 }
 147
 148 #endif /* SCM_ENABLE_DEPRECATED */
 149
 150 /*
 151   Local Variables:
 152   c-file-style: "gnu"
 153   End:
 154 */