libguile/gh_eval.c

   1 /*      Copyright (C) 1995,1996,1997,1998, 2000, 2001 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  16  */
  17 \f
  18
  19 /* routines to evaluate Scheme code */
  20
  21 #include "libguile/gh.h"
  22
  23 typedef SCM (*gh_eval_t) (void *data, SCM jmpbuf);
  24
  25 /* Evaluate the string; toss the value.  */
  26 SCM
  27 gh_eval_str (const char *scheme_code)
  28 {
  29   return scm_c_eval_string (scheme_code);
  30 }
  31
  32 /* evaluate the file by passing it to the lower level scm_primitive_load() */
  33 SCM
  34 gh_eval_file (const char *fname)
  35 {
  36   return scm_primitive_load (gh_str02scm (fname));
  37 }
  38
  39 static SCM
  40 eval_str_wrapper (void *data)
  41 {
  42 /*   gh_eval_t real_eval_proc = (gh_eval_t) (* ((gh_eval_t *) data)); */
  43
  44   char *scheme_code = (char *) data;
  45   return gh_eval_str (scheme_code);
  46 }
  47
  48 SCM
  49 gh_eval_str_with_catch (const char *scheme_code, scm_t_catch_handler handler)
  50 {
  51   /* FIXME: not there yet */
  52   return gh_catch (SCM_BOOL_T, (scm_t_catch_body) eval_str_wrapper, (void *) scheme_code,
  53                    (scm_t_catch_handler) handler, (void *) scheme_code);
  54 }
  55
  56 SCM
  57 gh_eval_str_with_standard_handler (const char *scheme_code)
  58 {
  59   return gh_eval_str_with_catch (scheme_code, gh_standard_handler);
  60 }
  61
  62 SCM
  63 gh_eval_str_with_stack_saving_handler (const char *scheme_code)
  64 {
  65   return scm_internal_stack_catch (SCM_BOOL_T,
  66                                    (scm_t_catch_body) eval_str_wrapper,
  67                                    (void *) scheme_code,
  68                                    (scm_t_catch_handler)
  69                                    gh_standard_handler,
  70                                    (void *) scheme_code);
  71 }
  72
  73 static SCM
  74 eval_file_wrapper (void *data)
  75 {
  76 /*   gh_eval_t real_eval_proc = (gh_eval_t) (* ((gh_eval_t *) data)); */
  77
  78   char *scheme_code = (char *) data;
  79   return gh_eval_file (scheme_code);
  80 }
  81
  82 SCM
  83 gh_eval_file_with_catch (const char *scheme_code, scm_t_catch_handler handler)
  84 {
  85   /* FIXME: not there yet */
  86   return gh_catch (SCM_BOOL_T, (scm_t_catch_body) eval_file_wrapper,
  87                    (void *) scheme_code, (scm_t_catch_handler) handler,
  88                    (void *) scheme_code);
  89 }
  90
  91 SCM
  92 gh_eval_file_with_standard_handler (const char *scheme_code)
  93 {
  94   return gh_eval_file_with_catch (scheme_code, gh_standard_handler);
  95 }
  96
  97 /*
  98   Local Variables:
  99   c-file-style: "gnu"
 100   End:
 101 */