promises are in their own file now

* libguile.h:
* libguile/Makefile.am:
* libguile/eval.c:
* libguile/eval.h:
* libguile/init.c:
* libguile/promises.c:
* libguile/promises.h: Split promises out into their own file.

1 files changed, 61 insertions, 0 deletions

diff --git a/libguile/promises.h b/libguile/promises.h
new file mode 100644
index 000000000..66349b5ab
--- /dev/null
+++ b/libguile/promises.h
@@ -0,0 +1,61 @@
+/* classes: h_files */
+
+#ifndef SCM_PROMISES_H
+#define SCM_PROMISES_H
+
+/* Copyright (C) 1995,1996,1998,1999,2000,2001,2002,2003,2004,2008,2009
+ * 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
+ */
+
+
+
+#include "libguile/__scm.h"
+
+
+
+/* {Promises}
+ */
+
+#define SCM_F_PROMISE_COMPUTED (1L << 0)
+#define SCM_PROMISE_COMPUTED_P(promise) \
+  (SCM_F_PROMISE_COMPUTED & SCM_SMOB_FLAGS (promise))
+#define SCM_SET_PROMISE_COMPUTED(promise) \
+  SCM_SET_SMOB_FLAGS ((promise), SCM_F_PROMISE_COMPUTED)
+#define SCM_PROMISE_MUTEX     SCM_SMOB_OBJECT_2
+#define SCM_PROMISE_DATA      SCM_SMOB_OBJECT
+#define SCM_SET_PROMISE_DATA  SCM_SET_SMOB_OBJECT
+
+
+SCM_API scm_t_bits scm_tc16_promise;
+
+
+
+SCM_API SCM scm_make_promise (SCM thunk);
+SCM_API SCM scm_force (SCM x);
+SCM_API SCM scm_promise_p (SCM x);
+
+SCM_INTERNAL void scm_init_promises (void);
+
+
+#endif  /* SCM_PROMISES_H */
+
+/*
+  Local Variables:
+  c-file-style: "gnu"
+  End:
+*/