| // RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s |
| // rdar://9293227 |
| |
| @class NSArray; |
| |
| void f(NSArray *a) { |
| id keys; |
| for (int i : a); // expected-error{{selector element type 'int' is not a valid object}} |
| for ((id)2 : a); // expected-error {{for range declaration must declare a variable}} \ |
| // expected-warning {{expression result unused}} |
| for (2 : a); // expected-error {{for range declaration must declare a variable}} \ |
| // expected-warning {{expression result unused}} |
| |
| for (id thisKey : keys); |
| |
| for (auto thisKey : keys) { } // expected-warning{{'auto' deduced as 'id' in declaration of 'thisKey'}} |
| } |
| |
| template<typename Collection> |
| void ft(Collection col) { |
| for (id x : col) { } |
| for (auto x : col) { } |
| } |
| |
| template void ft(NSArray *); |
| |
| /* // rdar://9072298 */ |
| @protocol NSObject @end |
| |
| @interface NSObject <NSObject> { |
| Class isa; |
| } |
| @end |
| |
| typedef struct { |
| unsigned long state; |
| id *itemsPtr; |
| unsigned long *mutationsPtr; |
| unsigned long extra[5]; |
| } NSFastEnumerationState; |
| |
| @protocol NSFastEnumeration |
| |
| - (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len; |
| |
| @end |
| |
| int main () |
| { |
| NSObject<NSFastEnumeration>* collection = 0; |
| for (id thing : collection) { } |
| |
| id array; |
| for (int (^b)(void) : array) { |
| if (b() == 10000) { |
| return 1; |
| } |
| } |
| return 0; |
| } |
| |
| /* rdar://problem/11068137 */ |
| @interface Test2 |
| @property (assign) id prop; |
| @end |
| void test2(NSObject<NSFastEnumeration> *collection) { |
| Test2 *obj; |
| for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}} \ |
| // expected-warning {{property access result unused - getters should not be used for side effects}} |
| } |
| } |
| |
| void testErrors(NSArray *array) { |
| typedef int fn(int); |
| |
| for (fn x in array) { } // expected-error{{non-variable declaration in 'for' loop}} |
| } |