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authortv <tv@NetBSD.org>2000-07-26 00:17:09 +0000
committertv <tv@NetBSD.org>2000-07-26 00:17:09 +0000
commitdc36174cbda5524f93f5b7f403e5f43dfdd98cae (patch)
tree779f68d62a9c8fb600acae82e6aca92114174bad /gnu/dist/toolchain/libobjc/objects.c
parent48b9eee5e169e02e12f31b637e0495fc0bef28e0 (diff)
Import of gcc 2.95.2 into new gnu/dist/toolchain layout.
Diffstat (limited to 'gnu/dist/toolchain/libobjc/objects.c')
-rw-r--r--gnu/dist/toolchain/libobjc/objects.c105
1 files changed, 105 insertions, 0 deletions
diff --git a/gnu/dist/toolchain/libobjc/objects.c b/gnu/dist/toolchain/libobjc/objects.c
new file mode 100644
index 00000000000..df74b85de87
--- /dev/null
+++ b/gnu/dist/toolchain/libobjc/objects.c
@@ -0,0 +1,105 @@
+/* GNU Objective C Runtime class related functions
+ Copyright (C) 1993, 1995, 1996 Free Software Foundation, Inc.
+ Contributed by Kresten Krab Thorup
+
+This file is part of GNU CC.
+
+GNU CC is free software; you can redistribute it and/or modify it under the
+terms of the GNU General Public License as published by the Free Software
+Foundation; either version 2, or (at your option) any later version.
+
+GNU CC 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 General Public License for more
+details.
+
+You should have received a copy of the GNU General Public License along with
+GNU CC; see the file COPYING. If not, write to the Free Software
+Foundation, 59 Temple Place - Suite 330,
+Boston, MA 02111-1307, USA. */
+
+/* As a special exception, if you link this library with files compiled with
+ GCC to produce an executable, this does not cause the resulting executable
+ to be covered by the GNU General Public License. This exception does not
+ however invalidate any other reasons why the executable file might be
+ covered by the GNU General Public License. */
+
+#include "tconfig.h" /* include defs of bzero for target */
+#include "objc.h"
+#include "runtime.h" /* the kitchen sink */
+
+#if OBJC_WITH_GC
+# include <gc.h>
+#endif
+
+id __objc_object_alloc(Class);
+id __objc_object_dispose(id);
+id __objc_object_copy(id);
+
+id (*_objc_object_alloc)(Class) = __objc_object_alloc; /* !T:SINGLE */
+id (*_objc_object_dispose)(id) = __objc_object_dispose; /* !T:SINGLE */
+id (*_objc_object_copy)(id) = __objc_object_copy; /* !T:SINGLE */
+
+id
+class_create_instance(Class class)
+{
+ id new = nil;
+
+#if OBJC_WITH_GC
+ if (CLS_ISCLASS(class))
+ new = (id)GC_malloc_explicitly_typed (class->instance_size,
+ class->gc_object_type);
+#else
+ if (CLS_ISCLASS(class))
+ new = (*_objc_object_alloc)(class);
+#endif
+
+ if (new!=nil)
+ {
+ memset (new, 0, class->instance_size);
+ new->class_pointer = class;
+ }
+ return new;
+}
+
+id
+object_copy(id object)
+{
+ if ((object!=nil)&&CLS_ISCLASS(object->class_pointer))
+ return (*_objc_object_copy)(object);
+ else
+ return nil;
+}
+
+id
+object_dispose(id object)
+{
+ if ((object!=nil)&&CLS_ISCLASS(object->class_pointer))
+ {
+ if (_objc_object_dispose)
+ (*_objc_object_dispose)(object);
+ else
+ objc_free(object);
+ }
+ return nil;
+}
+
+id __objc_object_alloc(Class class)
+{
+ return (id)objc_malloc(class->instance_size);
+}
+
+id __objc_object_dispose(id object)
+{
+ objc_free(object);
+ return 0;
+}
+
+id __objc_object_copy(id object)
+{
+ id copy = class_create_instance(object->class_pointer);
+ memcpy(copy, object, object->class_pointer->instance_size);
+ return copy;
+}
+
+