1 // RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s 2 // rdar://9293227 3 4 @class NSArray; 5 6 void 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 17 template<typename Collection> 18 void ft(Collection col) { 19 for (id x : col) { } 20 for (auto x : col) { } 21 } 22 23 template void ft(NSArray *); 24 25 /* // rdar://9072298 */ 26 @protocol NSObject @end 27 28 @interface NSObject <NSObject> { 29 Class isa; 30 } 31 @end 32 33 typedef 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 46 int 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 64 void test2(NSObject<NSFastEnumeration> *collection) { 65 Test2 *obj; 66 for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}} 67 } 68 } 69 70 void 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
