summaryrefslogtreecommitdiff
path: root/libguile/objcodes.h
diff options
context:
space:
mode:
Diffstat (limited to 'libguile/objcodes.h')
-rw-r--r--libguile/objcodes.h75
1 files changed, 75 insertions, 0 deletions
diff --git a/libguile/objcodes.h b/libguile/objcodes.h
new file mode 100644
index 000000000..2bb4e6040
--- /dev/null
+++ b/libguile/objcodes.h
@@ -0,0 +1,75 @@
+/* Copyright (C) 2001, 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
+ */
+
+#ifndef _SCM_OBJCODES_H_
+#define _SCM_OBJCODES_H_
+
+#include <libguile.h>
+
+/* objcode data should be directly mappable to this C structure. */
+struct scm_objcode {
+ scm_t_uint8 nargs;
+ scm_t_uint8 nrest;
+ scm_t_uint16 nlocs;
+ scm_t_uint32 len; /* the maximum index of base[] */
+ scm_t_uint32 metalen; /* well, i lie. this many bytes at the end of
+ base[] for metadata */
+ scm_t_uint32 unused; /* pad so that `base' is 8-byte aligned */
+ scm_t_uint8 base[0];
+};
+
+#define SCM_F_OBJCODE_IS_MMAP (1<<0)
+#define SCM_F_OBJCODE_IS_U8VECTOR (1<<1)
+#define SCM_F_OBJCODE_IS_SLICE (1<<2)
+
+SCM_API scm_t_bits scm_tc16_objcode;
+
+#define SCM_OBJCODE_P(x) (SCM_SMOB_PREDICATE (scm_tc16_objcode, x))
+#define SCM_OBJCODE_DATA(x) ((struct scm_objcode *) SCM_SMOB_DATA (x))
+#define SCM_VALIDATE_OBJCODE(p,x) SCM_MAKE_VALIDATE (p, x, OBJCODE_P)
+
+#define SCM_OBJCODE_LEN(x) (SCM_OBJCODE_DATA (x)->len)
+#define SCM_OBJCODE_META_LEN(x) (SCM_OBJCODE_DATA (x)->metalen)
+#define SCM_OBJCODE_TOTAL_LEN(x) (SCM_OBJCODE_LEN (x) + SCM_OBJCODE_META_LEN (x))
+#define SCM_OBJCODE_NARGS(x) (SCM_OBJCODE_DATA (x)->nargs)
+#define SCM_OBJCODE_NREST(x) (SCM_OBJCODE_DATA (x)->nrest)
+#define SCM_OBJCODE_NLOCS(x) (SCM_OBJCODE_DATA (x)->nlocs)
+#define SCM_OBJCODE_BASE(x) (SCM_OBJCODE_DATA (x)->base)
+
+#define SCM_OBJCODE_IS_MMAP(x) (SCM_SMOB_FLAGS (x) & SCM_F_OBJCODE_IS_MMAP)
+#define SCM_OBJCODE_IS_U8VECTOR(x) (SCM_SMOB_FLAGS (x) & SCM_F_OBJCODE_IS_U8VECTOR)
+#define SCM_OBJCODE_IS_SLICE(x) (SCM_SMOB_FLAGS (x) & SCM_F_OBJCODE_IS_SLICE)
+
+SCM scm_c_make_objcode_slice (SCM parent, const scm_t_uint8 *ptr);
+SCM_API SCM scm_load_objcode (SCM file);
+SCM_API SCM scm_objcode_p (SCM obj);
+SCM_API SCM scm_objcode_meta (SCM objcode);
+SCM_API SCM scm_bytecode_to_objcode (SCM bytecode);
+SCM_API SCM scm_objcode_to_bytecode (SCM objcode);
+SCM_API SCM scm_write_objcode (SCM objcode, SCM port);
+
+SCM_INTERNAL void scm_bootstrap_objcodes (void);
+SCM_INTERNAL void scm_init_objcodes (void);
+
+#endif /* _SCM_OBJCODES_H_ */
+
+/*
+ Local Variables:
+ c-file-style: "gnu"
+ End:
+*/