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authorZiemowit Laski <zlaski@apple.com>2002-08-26 21:17:20 +0000
committerZiemowit Laski <zlaski@gcc.gnu.org>2002-08-26 21:17:20 +0000
commitd632dee9cb93ec0e45e070207046742019464d55 (patch)
tree3388479481cefd3623d402e7f48a82fd69547159
parentc3cc6b78a1487e9c05be9770f811b79706318867 (diff)
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objc-act.c (get_super_receiver): If inside a class method of a category...
[gcc] 2002-08-26 Ziemowit Laski <zlaski@apple.com> * objc/objc-act.c (get_super_receiver): If inside a class method of a category, cast the receiver to 'id' before accessing the 'isa' field so that <objc/objc-class.h> is not needed. For NeXT runtime. [gcc/testsuite] 2002-08-26 Ziemowit Laski <zlaski@apple.com> * objc.dg/super-class-2.m: New test. From-SVN: r56587
-rw-r--r--gcc/ChangeLog6
-rw-r--r--gcc/objc/objc-act.c8
-rw-r--r--gcc/testsuite/ChangeLog4
-rw-r--r--gcc/testsuite/objc.dg/super-class-2.m45
4 files changed, 61 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 4192aad..4783fea 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+2002-08-26 Ziemowit Laski <zlaski@apple.com>
+
+ * objc/objc-act.c (get_super_receiver): If inside a class method
+ of a category, cast the receiver to 'id' before accessing the 'isa'
+ field so that <objc/objc-class.h> is not needed. For NeXT runtime.
+
2002-08-26 Ulrich Weigand <uweigand@de.ibm.com>
* config/s390/s390-protos.h (s390_function_prologue,
diff --git a/gcc/objc/objc-act.c b/gcc/objc/objc-act.c
index e1c630d6..0819369 100644
--- a/gcc/objc/objc-act.c
+++ b/gcc/objc/objc-act.c
@@ -7042,9 +7042,13 @@ get_super_receiver ()
{
super_class = get_class_reference (super_name);
if (TREE_CODE (objc_method_context) == CLASS_METHOD_DECL)
+ /* Cast the super class to 'id', since the user may not have
+ included <objc/objc-class.h>, leaving 'struct objc_class'
+ an incomplete type. */
super_class
- = build_component_ref (build_indirect_ref (super_class, "->"),
- get_identifier ("isa"));
+ = build_component_ref (build_indirect_ref
+ (build_c_cast (id_type, super_class), "->"),
+ get_identifier ("isa"));
}
else
{
diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog
index f509299..496fc95 100644
--- a/gcc/testsuite/ChangeLog
+++ b/gcc/testsuite/ChangeLog
@@ -1,3 +1,7 @@
+2002-08-26 Ziemowit Laski <zlaski@apple.com>
+
+ * objc.dg/super-class-2.m: New test.
+
2002-08-24 Matt Austern <austern@apple.com>
* g++.dg/ext/lvaddr.C: New test.
diff --git a/gcc/testsuite/objc.dg/super-class-2.m b/gcc/testsuite/objc.dg/super-class-2.m
new file mode 100644
index 0000000..15d018e
--- /dev/null
+++ b/gcc/testsuite/objc.dg/super-class-2.m
@@ -0,0 +1,45 @@
+/* Test calling super from within a category class method. */
+/* Author: Ziemowit Laski <zlaski@apple.com> */
+/* { dg-do compile } */
+/* { dg-options "-fnext-runtime" } */
+
+typedef struct objc_object { struct objc_class *isa; } *id;
+
+@interface NSObject
++ (int) test_func0;
+@end
+@interface NSMenuItem: NSObject
++ (int) test_func0;
+@end
+
+@implementation NSObject
++ (int) test_func0
+{}
+@end
+
+@implementation NSMenuItem
++ (int) test_func0
+{
+ return [super test_func0];
+}
+@end
+
+@interface NSObject (Test)
++ (int) test_func;
+@end
+
+@implementation NSObject (Test)
++ (int) test_func
+{}
+@end
+
+@interface NSMenuItem (Test)
++ (int) test_func;
+@end
+
+@implementation NSMenuItem (Test)
++ (int) test_func
+{
+ return [super test_func]; /* { dg-bogus "dereferencing pointer to incomplete type" } */
+}
+@end