Disable 'auto' type deduction in Objective-C. It likes 'id' a bit too

much to be useful.

llvm-svn: 127625
This commit is contained in:
Douglas Gregor 2011-03-14 21:43:30 +00:00
parent 161f9a3829
commit 1e98986160
2 changed files with 1 additions and 34 deletions

View File

@ -1249,7 +1249,7 @@ void Parser::ParseDeclarationSpecifiers(DeclSpec &DS,
DiagID, getLang());
break;
case tok::kw_auto:
if (getLang().CPlusPlus0x || getLang().ObjC2) {
if (getLang().CPlusPlus0x) {
if (isKnownToBeTypeSpecifier(GetLookAheadToken(1))) {
isInvalid = DS.SetStorageClassSpec(DeclSpec::SCS_auto, Loc, PrevSpec,
DiagID, getLang());

View File

@ -1,33 +0,0 @@
// RUN: %clang_cc1 -x objective-c -fblocks -fsyntax-only -verify %s
@interface I
{
id pi;
}
- (id) Meth;
@end
// Objective-C does not support trailing return types, so check we don't get
// the C++ diagnostic suggesting we forgot one.
auto noTrailingReturnType(); // expected-error {{'auto' not allowed in function return type}}
typedef int (^P) (int x);
@implementation I
- (id) Meth {
auto p = [pi Meth];
return p;
}
- (P) bfunc {
auto my_block = ^int (int x) {return x; };
my_block(1);
return my_block;
}
@end
// rdar://9036633
int main() {
auto int auto_i = 7; // expected-warning {{'auto' storage class specifier is redundant and will be removed in future releases}}
}