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authorAndy Wingo <wingo@pobox.com>2010-01-31 00:01:11 +0100
committerAndy Wingo <wingo@pobox.com>2010-01-31 20:40:24 +0100
commitb9c100d008bbaa19406fdee3058a5c35dba07499 (patch)
tree3c711b8945912fa65b21011836c863f41276d9fd /libguile/control.c
parent9b7ca73cfe4d6f82811d5dac8706237690834287 (diff)
downloadguile-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.c72
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:
+*/