| 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 | void for_init_stmt() { |
|---|
| 18 | for (id keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}} |
|---|
| 19 | } |
|---|
| 20 | template<typename T> void for_init_stmt_tmpl() { |
|---|
| 21 | for (T keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}} |
|---|
| 22 | } |
|---|
| 23 | template void for_init_stmt_tmpl<id>(); // expected-note {{in instantiation of}} |
|---|
| 24 | |
|---|
| 25 | template<typename Collection> |
|---|
| 26 | void ft(Collection col) { |
|---|
| 27 | for (id x : col) { } |
|---|
| 28 | for (auto x : col) { } |
|---|
| 29 | } |
|---|
| 30 | |
|---|
| 31 | template void ft(NSArray *); |
|---|
| 32 | |
|---|
| 33 | /* // rdar://9072298 */ |
|---|
| 34 | @protocol NSObject @end |
|---|
| 35 | |
|---|
| 36 | @interface NSObject <NSObject> { |
|---|
| 37 | Class isa; |
|---|
| 38 | } |
|---|
| 39 | @end |
|---|
| 40 | |
|---|
| 41 | typedef struct { |
|---|
| 42 | unsigned long state; |
|---|
| 43 | id *itemsPtr; |
|---|
| 44 | unsigned long *mutationsPtr; |
|---|
| 45 | unsigned long extra[5]; |
|---|
| 46 | } NSFastEnumerationState; |
|---|
| 47 | |
|---|
| 48 | @protocol NSFastEnumeration |
|---|
| 49 | |
|---|
| 50 | - (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len; |
|---|
| 51 | |
|---|
| 52 | @end |
|---|
| 53 | |
|---|
| 54 | int main () |
|---|
| 55 | { |
|---|
| 56 | NSObject<NSFastEnumeration>* collection = 0; |
|---|
| 57 | for (id thing : collection) { } |
|---|
| 58 | |
|---|
| 59 | id array; |
|---|
| 60 | for (int (^b)(void) : array) { |
|---|
| 61 | if (b() == 10000) { |
|---|
| 62 | return 1; |
|---|
| 63 | } |
|---|
| 64 | } |
|---|
| 65 | return 0; |
|---|
| 66 | } |
|---|
| 67 | |
|---|
| 68 | /* rdar://problem/11068137 */ |
|---|
| 69 | @interface Test2 |
|---|
| 70 | @property (assign) id prop; |
|---|
| 71 | @end |
|---|
| 72 | void test2(NSObject<NSFastEnumeration> *collection) { |
|---|
| 73 | Test2 *obj; |
|---|
| 74 | for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}} |
|---|
| 75 | } |
|---|
| 76 | } |
|---|
| 77 | |
|---|
| 78 | void testErrors(NSArray *array) { |
|---|
| 79 | typedef int fn(int); |
|---|
| 80 | |
|---|
| 81 | for (fn x in array) { } // expected-error{{non-variable declaration in 'for' loop}} |
|---|
| 82 | } |
|---|
| 83 | |
|---|