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authorAndy Wingo <wingo@pobox.com>2010-01-04 12:11:33 +0100
committerAndy Wingo <wingo@pobox.com>2010-01-04 12:39:21 +0100
commite2c2a6994d05124760ea7f18caf5d28fb47e453c (patch)
treebe4c3ae11905d89a8f9519bcc6fbebab4a003beb /libguile/goops.c
parent208fae8a0ebaa56b69105c89d69e337aef6a3e62 (diff)
downloadguile-e2c2a6994d05124760ea7f18caf5d28fb47e453c.tar.gz
add foreign value wrapper
* libguile/foreign.h: * libguile/foreign.c: New files, implementing simple wrappers around foreign values, such as those that one might link in dynamically from a library. * libguile/tags.h (scm_tc7_foreign): Take a tc7 for foreign values. * libguile.h: * libguile/init.c: Add foreign.h to headers and init. * libguile/print.c (iprin1): Add printer for foreign values. * libguile/gc.c (scm_i_tag_name): Case for foreign values. * libguile/goops.c (scm_class_of, create_standard_classes): Add a class for foreign values. * libguile/evalext.c (scm_self_evaluating_p): Add case for foreign values. * libguile/Makefile.am: Add foreign.[ch] to the build.
Diffstat (limited to 'libguile/goops.c')
-rw-r--r--libguile/goops.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/libguile/goops.c b/libguile/goops.c
index 9fb6d4a6c..983fa5924 100644
--- a/libguile/goops.c
+++ b/libguile/goops.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1998,1999,2000,2001,2002,2003,2004,2008,2009
+/* Copyright (C) 1998,1999,2000,2001,2002,2003,2004,2008,2009,2010
* Free Software Foundation, Inc.
*
* This library is free software; you can redistribute it and/or
@@ -157,6 +157,7 @@ SCM scm_class_protected_hidden, scm_class_protected_opaque, scm_class_protected_
SCM scm_class_scm;
SCM scm_class_int, scm_class_float, scm_class_double;
+static SCM class_foreign;
static SCM class_hashtable;
static SCM class_fluid;
static SCM class_dynamic_state;
@@ -213,6 +214,8 @@ SCM_DEFINE (scm_class_of, "class-of", 1, 0, 0,
case scm_tc7_vector:
case scm_tc7_wvect:
return scm_class_vector;
+ case scm_tc7_foreign:
+ return class_foreign;
case scm_tc7_hashtable:
return class_hashtable;
case scm_tc7_fluid:
@@ -2394,6 +2397,8 @@ create_standard_classes (void)
scm_class_class, scm_class_top, SCM_EOL);
make_stdcls (&scm_class_vector, "<vector>",
scm_class_class, scm_class_top, SCM_EOL);
+ make_stdcls (&class_foreign, "<foreign>",
+ scm_class_class, scm_class_top, SCM_EOL);
make_stdcls (&class_hashtable, "<hashtable>",
scm_class_class, scm_class_top, SCM_EOL);
make_stdcls (&class_fluid, "<fluid>",