1// RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s 2// rdar://9293227 3 4@class NSArray; 5 6void f(NSArray *a) { 7 id keys; 8 for (int i : a); // expected-error{{selector element type 'int' is not a valid object}} 9 for ((id)2 : a); // expected-error {{for range declaration must declare a variable}} 10 for (2 : a); // expected-error {{for range declaration must declare a variable}} 11 12 for (id thisKey : keys); 13 14 for (auto thisKey : keys) { } // expected-warning{{'auto' deduced as 'id' in declaration of 'thisKey'}} 15} 16 17template<typename Collection> 18void ft(Collection col) { 19 for (id x : col) { } 20 for (auto x : col) { } 21} 22 23template void ft(NSArray *); 24 25/* // rdar://9072298 */ 26@protocol NSObject @end 27 28@interface NSObject <NSObject> { 29 Class isa; 30} 31@end 32 33typedef struct { 34 unsigned long state; 35 id *itemsPtr; 36 unsigned long *mutationsPtr; 37 unsigned long extra[5]; 38} NSFastEnumerationState; 39 40@protocol NSFastEnumeration 41 42- (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len; 43 44@end 45 46int main () 47{ 48 NSObject<NSFastEnumeration>* collection = 0; 49 for (id thing : collection) { } 50 51 id array; 52 for (int (^b)(void) : array) { 53 if (b() == 10000) { 54 return 1; 55 } 56 } 57 return 0; 58} 59 60/* rdar://problem/11068137 */ 61@interface Test2 62@property (assign) id prop; 63@end 64void test2(NSObject<NSFastEnumeration> *collection) { 65 Test2 *obj; 66 for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}} 67 } 68} 69 70void testErrors(NSArray *array) { 71 typedef int fn(int); 72 73 for (fn x in array) { } // expected-error{{non-variable declaration in 'for' loop}} 74} 75