libguile/gh_eval.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 /* routines to evaluate Scheme code */
  20
  21 #include "libguile/gh.h"
  22
  23 #if SCM_ENABLE_DEPRECATED
  24
  25 typedef SCM (*gh_eval_t) (void *data, SCM jmpbuf);
  26
  27 /* Evaluate the string; toss the value.  */
  28 SCM
  29 gh_eval_str (const char *scheme_code)
  30 {
  31   return scm_c_eval_string (scheme_code);
  32 }
  33
  34 /* evaluate the file by passing it to the lower level scm_primitive_load() */
  35 SCM
  36 gh_eval_file (const char *fname)
  37 {
  38   return scm_primitive_load (gh_str02scm (fname));
  39 }
  40
  41 static SCM
  42 eval_str_wrapper (void *data)
  43 {
  44 /*   gh_eval_t real_eval_proc = (gh_eval_t) (* ((gh_eval_t *) data)); */
  45
  46   char *scheme_code = (char *) data;
  47   return gh_eval_str (scheme_code);
  48 }
  49
  50 SCM
  51 gh_eval_str_with_catch (const char *scheme_code, scm_t_catch_handler handler)
  52 {
  53   /* FIXME: not there yet */
  54   return gh_catch (SCM_BOOL_T, (scm_t_catch_body) eval_str_wrapper, (void *) scheme_code,
  55                    (scm_t_catch_handler) handler, (void *) scheme_code);
  56 }
  57
  58 SCM
  59 gh_eval_str_with_standard_handler (const char *scheme_code)
  60 {
  61   return gh_eval_str_with_catch (scheme_code, gh_standard_handler);
  62 }
  63
  64 SCM
  65 gh_eval_str_with_stack_saving_handler (const char *scheme_code)
  66 {
  67   return scm_internal_stack_catch (SCM_BOOL_T,
  68                                    (scm_t_catch_body) eval_str_wrapper,
  69                                    (void *) scheme_code,
  70                                    (scm_t_catch_handler)
  71                                    gh_standard_handler,
  72                                    (void *) scheme_code);
  73 }
  74
  75 static SCM
  76 eval_file_wrapper (void *data)
  77 {
  78 /*   gh_eval_t real_eval_proc = (gh_eval_t) (* ((gh_eval_t *) data)); */
  79
  80   char *scheme_code = (char *) data;
  81   return gh_eval_file (scheme_code);
  82 }
  83
  84 SCM
  85 gh_eval_file_with_catch (const char *scheme_code, scm_t_catch_handler handler)
  86 {
  87   /* FIXME: not there yet */
  88   return gh_catch (SCM_BOOL_T, (scm_t_catch_body) eval_file_wrapper,
  89                    (void *) scheme_code, (scm_t_catch_handler) handler,
  90                    (void *) scheme_code);
  91 }
  92
  93 SCM
  94 gh_eval_file_with_standard_handler (const char *scheme_code)
  95 {
  96   return gh_eval_file_with_catch (scheme_code, gh_standard_handler);
  97 }
  98
  99 #endif /* SCM_ENABLE_DEPRECATED */
 100
 101 /*
 102   Local Variables:
 103   c-file-style: "gnu"
 104   End:
 105 */