Prefixed each each exported symbol with SCM_API.

[bpt/guile.git] / libguile / throw.h

diff --git a/libguile/throw.h b/libguile/throw.h
index 3f41495..f85dc92 100644 (file)
--- a/libguile/throw.h
+++ b/libguile/throw.h
@@ -1,22 +1,24 @@
 /* classes: h_files */
 
-#ifndef THROWH
-#define THROWH
-/*     Copyright (C) 1995,1996 Free Software Foundation, Inc.
- * 
+#ifndef SCM_THROW_H
+#define SCM_THROW_H
+
+/* Copyright (C) 1995,1996,1998,2000 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+ * 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.
@@ -40,18 +42,71 @@
  *
  * 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.  
- */
+ * If you do not wish that, delete this exception notice.  */
+
 \f
 
 #include "libguile/__scm.h"
 
 \f
 
-extern SCM scm_catch_apply SCM_P ((SCM tag, SCM proc, SCM a1, SCM args, SCM handler));
-extern SCM scm_catch SCM_P ((SCM tag, SCM thunk, SCM handler));
-extern SCM scm_lazy_catch SCM_P ((SCM tag, SCM thunk, SCM handler));
-extern SCM scm_ithrow SCM_P ((SCM key, SCM args, int noreturn));
-extern SCM scm_throw SCM_P ((SCM key, SCM args));
-extern void scm_init_throw SCM_P ((void));
-#endif  /* THROWH */
+typedef SCM (*scm_t_catch_body) (void *data);
+typedef SCM (*scm_t_catch_handler) (void *data,
+                                    SCM tag, SCM throw_args);
+
+SCM_API SCM scm_internal_catch (SCM tag,
+                               scm_t_catch_body body,
+                               void *body_data,
+                               scm_t_catch_handler handler,
+                               void *handler_data);
+
+SCM_API SCM scm_internal_lazy_catch (SCM tag,
+                                    scm_t_catch_body body,
+                                    void *body_data,
+                                    scm_t_catch_handler handler,
+                                    void *handler_data);
+
+SCM_API SCM scm_internal_stack_catch (SCM tag,
+                                     scm_t_catch_body body,
+                                     void *body_data,
+                                     scm_t_catch_handler handler,
+                                     void *handler_data);
+
+/* The first argument to scm_body_thunk should be a pointer to one of
+   these.  See the implementation of catch in throw.c.  */
+struct scm_body_thunk_data
+{
+  /* The tag being caught.  We only use it to figure out what
+     arguments to pass to the body procedure; see scm_catch_thunk_body for
+     details.  */
+  SCM tag;
+
+  /* The Scheme procedure object constituting the catch body.
+     scm_body_by_proc invokes this.  */
+  SCM body_proc;
+};
+
+SCM_API SCM scm_body_thunk (void *);
+
+
+SCM_API SCM scm_handle_by_proc (void *, SCM, SCM);
+SCM_API SCM scm_handle_by_proc_catching_all (void *, SCM, SCM);
+SCM_API SCM scm_handle_by_message (void *, SCM, SCM);
+SCM_API SCM scm_handle_by_message_noexit (void *, SCM, SCM);
+SCM_API SCM scm_handle_by_throw (void *, SCM, SCM);
+SCM_API int scm_exit_status (SCM args);
+
+SCM_API SCM scm_catch (SCM tag, SCM thunk, SCM handler);
+SCM_API SCM scm_lazy_catch (SCM tag, SCM thunk, SCM handler);
+SCM_API SCM scm_ithrow (SCM key, SCM args, int noreturn);
+
+SCM_API SCM scm_throw (SCM key, SCM args);
+SCM_API void scm_init_throw (void);
+
+#endif  /* SCM_THROW_H */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/