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- /* classes: h_files */
-
- #ifndef THROWH
- #define THROWH
- /* Copyright (C) 1995,1996,1998 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. */
-
-
- #include "libguile/__scm.h"
-
-
-
- typedef SCM (*scm_catch_body_t) SCM_P ((void *data));
- typedef SCM (*scm_catch_handler_t) SCM_P ((void *data,
- SCM tag, SCM throw_args));
-
- extern SCM scm_internal_catch SCM_P ((SCM tag,
- scm_catch_body_t body,
- void *body_data,
- scm_catch_handler_t handler,
- void *handler_data));
-
- extern SCM scm_internal_lazy_catch SCM_P ((SCM tag,
- scm_catch_body_t body,
- void *body_data,
- scm_catch_handler_t handler,
- void *handler_data));
-
- extern SCM scm_internal_stack_catch SCM_P ((SCM tag,
- scm_catch_body_t body,
- void *body_data,
- scm_catch_handler_t 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;
- };
-
- extern SCM scm_body_thunk SCM_P ((void *));
-
-
- extern SCM scm_handle_by_proc SCM_P ((void *, SCM, SCM));
- extern SCM scm_handle_by_proc_catching_all SCM_P ((void *, SCM, SCM));
- extern SCM scm_handle_by_message SCM_P ((void *, SCM, SCM));
- extern SCM scm_handle_by_message_noexit SCM_P ((void *, SCM, SCM));
- extern SCM scm_handle_by_throw SCM_P ((void *, SCM, SCM));
- extern int scm_exit_status SCM_P ((SCM args));
-
- 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 */
-