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authorAndy Wingo <wingo@pobox.com>2010-01-18 12:16:13 +0100
committerAndy Wingo <wingo@pobox.com>2010-01-26 22:56:41 +0100
commitab4779ffcfb463201d46459e06b9188dd5f1cbda (patch)
tree9476b22f0bddf76ca18cdc0fc5017773a9b42b18
parent52fd9639fdeee068434342e1bdb8693b05ecac5c (diff)
downloadguile-ab4779ffcfb463201d46459e06b9188dd5f1cbda.tar.gz
move foreign function interface to its own module
* libguile/foreign.h: * libguile/init.c: Change so that init just registers an extension, later called by foreign.scm. * libguile/foreign.c (scm_init_foreign): Define constants for the various foreign types. * module/Makefile.am: * module/system/foreign.scm: New module, for the foreign function interface.
-rw-r--r--libguile/foreign.c33
-rw-r--r--libguile/foreign.h2
-rw-r--r--libguile/init.c2
-rw-r--r--module/Makefile.am1
-rw-r--r--module/system/foreign.scm29
5 files changed, 64 insertions, 3 deletions
diff --git a/libguile/foreign.c b/libguile/foreign.c
index ec76a00aa..224f06ce3 100644
--- a/libguile/foreign.c
+++ b/libguile/foreign.c
@@ -26,6 +26,18 @@
+SCM_SYMBOL (sym_void, "void");
+SCM_SYMBOL (sym_float, "float");
+SCM_SYMBOL (sym_double, "double");
+SCM_SYMBOL (sym_uint8, "uint8");
+SCM_SYMBOL (sym_int8, "int8");
+SCM_SYMBOL (sym_uint16, "uint16");
+SCM_SYMBOL (sym_int16, "int16");
+SCM_SYMBOL (sym_uint32, "uint32");
+SCM_SYMBOL (sym_int32, "int32");
+SCM_SYMBOL (sym_uint64, "uint64");
+SCM_SYMBOL (sym_int64, "int64");
+
static void
foreign_finalizer_trampoline (GC_PTR ptr, GC_PTR data)
{
@@ -308,12 +320,31 @@ scm_i_foreign_print (SCM foreign, SCM port, scm_print_state *pstate)
-void
+static void
scm_init_foreign (void)
{
#ifndef SCM_MAGIC_SNARFER
#include "libguile/foreign.x"
#endif
+ scm_define (sym_void, scm_from_uint8 (SCM_FOREIGN_TYPE_VOID));
+ scm_define (sym_float, scm_from_uint8 (SCM_FOREIGN_TYPE_FLOAT));
+ scm_define (sym_double, scm_from_uint8 (SCM_FOREIGN_TYPE_DOUBLE));
+ scm_define (sym_uint8, scm_from_uint8 (SCM_FOREIGN_TYPE_UINT8));
+ scm_define (sym_int8, scm_from_uint8 (SCM_FOREIGN_TYPE_INT8));
+ scm_define (sym_uint16, scm_from_uint8 (SCM_FOREIGN_TYPE_UINT16));
+ scm_define (sym_int16, scm_from_uint8 (SCM_FOREIGN_TYPE_INT16));
+ scm_define (sym_uint32, scm_from_uint8 (SCM_FOREIGN_TYPE_UINT32));
+ scm_define (sym_int32, scm_from_uint8 (SCM_FOREIGN_TYPE_INT32));
+ scm_define (sym_uint64, scm_from_uint8 (SCM_FOREIGN_TYPE_UINT64));
+ scm_define (sym_int64, scm_from_uint8 (SCM_FOREIGN_TYPE_INT64));
+}
+
+void
+scm_register_foreign (void)
+{
+ scm_c_register_extension ("libguile", "scm_init_foreign",
+ (scm_t_extension_init_func)scm_init_foreign,
+ NULL);
}
/*
diff --git a/libguile/foreign.h b/libguile/foreign.h
index d48027799..522916d8a 100644
--- a/libguile/foreign.h
+++ b/libguile/foreign.h
@@ -95,7 +95,7 @@ SCM_API SCM scm_foreign_set_x (SCM foreign, SCM val, SCM type, SCM offset);
SCM_INTERNAL void scm_i_foreign_print (SCM foreign, SCM port,
scm_print_state *pstate);
-SCM_INTERNAL void scm_init_foreign (void);
+SCM_INTERNAL void scm_register_foreign (void);
#endif /* SCM_FOREIGN_H */
diff --git a/libguile/init.c b/libguile/init.c
index abca49048..57fda40e8 100644
--- a/libguile/init.c
+++ b/libguile/init.c
@@ -452,6 +452,7 @@ scm_i_init_guile (SCM_STACKITEM *base)
scm_bootstrap_objcodes ();
scm_bootstrap_programs ();
scm_bootstrap_vm ();
+ scm_register_foreign ();
scm_init_strings (); /* Requires array-handle */
scm_init_struct (); /* Requires strings */
@@ -482,7 +483,6 @@ scm_i_init_guile (SCM_STACKITEM *base)
scm_init_ports ();
scm_init_hash ();
scm_init_hashtab ();
- scm_init_foreign ();
scm_init_deprecation ();
scm_init_objprop ();
scm_init_promises (); /* requires smob_prehistory */
diff --git a/module/Makefile.am b/module/Makefile.am
index b43cf2ed6..7b1bbeac4 100644
--- a/module/Makefile.am
+++ b/module/Makefile.am
@@ -284,6 +284,7 @@ SYSTEM_SOURCES = \
system/vm/program.scm \
system/vm/trace.scm \
system/vm/vm.scm \
+ system/foreign.scm \
system/xref.scm \
system/repl/repl.scm \
system/repl/common.scm \
diff --git a/module/system/foreign.scm b/module/system/foreign.scm
new file mode 100644
index 000000000..5db6b9349
--- /dev/null
+++ b/module/system/foreign.scm
@@ -0,0 +1,29 @@
+;;;; 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 2.1 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
+;;;;
+
+
+(define-module (system foreign)
+ #:export (void
+ float double
+ int8 uint8
+ uint16 int16
+ uint32 int32
+ uint64 int64
+
+ foreign-ref foreign-set!))
+
+(load-extension "libguile" "scm_init_foreign")