diff options
author | Andy Wingo <wingo@pobox.com> | 2010-01-31 00:01:11 +0100 |
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committer | Andy Wingo <wingo@pobox.com> | 2010-01-31 20:40:24 +0100 |
commit | b9c100d008bbaa19406fdee3058a5c35dba07499 (patch) | |
tree | 3c711b8945912fa65b21011836c863f41276d9fd /libguile/control.c | |
parent | 9b7ca73cfe4d6f82811d5dac8706237690834287 (diff) | |
download | guile-b9c100d008bbaa19406fdee3058a5c35dba07499.tar.gz |
add @control and @prompt stub primitives
* libguile/Makefile.am:
* libguile/control.c:
* libguile/control.h:
* libguile/init.c: Add stub @control and @prompt primitives, for use
when bootstrapping (ice-9 control).
Diffstat (limited to 'libguile/control.c')
-rw-r--r-- | libguile/control.c | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/libguile/control.c b/libguile/control.c new file mode 100644 index 000000000..66bb5f8a8 --- /dev/null +++ b/libguile/control.c @@ -0,0 +1,72 @@ +/* Copyright (C) 2010 Free Software Foundation, Inc. + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public License + * as published by the Free Software Foundation; either version 3 of + * the License, or (at your option) any later version. + * + * This library 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 + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA + * 02110-1301 USA + */ + +#if HAVE_CONFIG_H +# include <config.h> +#endif + +#include "libguile/_scm.h" +#include "libguile/control.h" + + + +SCM scm_atcontrol (SCM, SCM, SCM); +SCM_DEFINE (scm_atcontrol, "@control", 3, 0, 0, + (SCM tag, SCM type, SCM args), + "Transfer control to the handler of a delimited continuation.") +#define FUNC_NAME s_scm_atcontrol +{ + abort (); + return SCM_UNSPECIFIED; +} +#undef FUNC_NAME + +SCM scm_atprompt (SCM, SCM, SCM, SCM); +SCM_DEFINE (scm_atprompt, "@prompt", 4, 0, 0, + (SCM tag, SCM thunk, SCM handler, SCM pre_unwind_handler), + "Begin a delimited continuation.") +#define FUNC_NAME s_scm_atprompt +{ + abort (); + return SCM_UNSPECIFIED; +} +#undef FUNC_NAME + + + +static void +scm_init_control (void) +{ +#ifndef SCM_MAGIC_SNARFER +#include "libguile/control.x" +#endif +} + +void +scm_register_control (void) +{ + scm_c_register_extension ("libguile", "scm_init_control", + (scm_t_extension_init_func)scm_init_control, + NULL); +} + +/* + Local Variables: + c-file-style: "gnu" + End: +*/ |