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authorNicola Pero <nicola.pero@meta-innovation.com>2010-09-21 18:51:34 +0000
committerNicola Pero <nicola@gcc.gnu.org>2010-09-21 18:51:34 +0000
commitc0c24aa47091e72b753c922c01f071a72e531eee (patch)
tree897f0bbb69ee50c5f581e4a8d83c36076bdc3738 /gcc/c-decl.c
parentf997b875dd00aaa75f85bbefa2e90ebfba7b6808 (diff)
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re PR objc/25965 (Allows duplicate member names in objc subclasses)
PR objc/25965 In gcc/objc/: * objc-act.c (objc_get_interface_ivars): New function. (objc_collecting_ivars): New variable. (continue_class): Set and reset objc_collecting_ivars for context. In gcc/: * c-decl.c (detect_field_duplicates): If compiling Objective-C, call objc_get_interface_ivars (). * c-family/c-common.h (objc_get_interface_ivars): New declaration. * c-family/stub-objc.c (objc_get_interface_ivars): New stub. In gcc/objcp/: * objcp-decl.c (objcp_finish_struct): Call objc_get_interface_ivars() and check for duplicate ivars. In gcc/testsuite/: Merge from 'apple/trunk' branch on FSF servers. 2005-10-11 Fariborz Jahanian <fjahanian@apple.com> Radar 4291785 objc.dg/naming-4.m: New objc.dg/naming-5.m: New obj-c++.dg/naming-1.mm: New obj-c++.dg/naming-2.mm: New From-SVN: r164491
Diffstat (limited to 'gcc/c-decl.c')
-rw-r--r--gcc/c-decl.c11
1 files changed, 11 insertions, 0 deletions
diff --git a/gcc/c-decl.c b/gcc/c-decl.c
index 6c65b27..f8be06b 100644
--- a/gcc/c-decl.c
+++ b/gcc/c-decl.c
@@ -6718,6 +6718,17 @@ detect_field_duplicates (tree fieldlist)
tree x, y;
int timeout = 10;
+ /* If the struct is the list of instance variables of an Objective-C
+ class, then we need to add all the instance variables of
+ superclasses before checking for duplicates (since you can't have
+ an instance variable in a subclass with the same name as an
+ instance variable in a superclass). objc_get_interface_ivars()
+ leaves fieldlist unchanged if we are not in this case, so in that
+ case nothing changes compared to C.
+ */
+ if (c_dialect_objc ())
+ fieldlist = objc_get_interface_ivars (fieldlist);
+
/* First, see if there are more than "a few" fields.
This is trivially true if there are zero or one fields. */
if (!fieldlist)