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150
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1 // RUN: %clang_cc1 -fsyntax-only -fblocks -verify -std=c++11 %s
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2 // rdar://9293227
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3
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4 @class NSArray;
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5
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6 void f(NSArray *a) {
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7 id keys;
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8 for (int i : a); // expected-error{{selector element type 'int' is not a valid object}}
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9 for ((id)2 : a); // expected-error {{for range declaration must declare a variable}}
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10 for (2 : a); // expected-error {{for range declaration must declare a variable}}
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11
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12 for (id thisKey : keys);
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13
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14 for (auto thisKey : keys) { } // expected-warning{{'auto' deduced as 'id' in declaration of 'thisKey'}}
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15 }
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16
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17 void for_init_stmt() {
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18 for (id keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}}
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19 }
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20 template<typename T> void for_init_stmt_tmpl() {
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21 for (T keys; id key : keys) {} // expected-warning{{extension}} expected-error{{not supported}}
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22 }
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23 template void for_init_stmt_tmpl<id>(); // expected-note {{in instantiation of}}
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24
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25 template<typename Collection>
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26 void ft(Collection col) {
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27 for (id x : col) { }
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28 for (auto x : col) { }
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29 }
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30
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31 template void ft(NSArray *);
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32
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33 /* // rdar://9072298 */
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34 @protocol NSObject @end
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35
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36 @interface NSObject <NSObject> {
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37 Class isa;
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38 }
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39 @end
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40
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41 typedef struct {
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42 unsigned long state;
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43 id *itemsPtr;
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44 unsigned long *mutationsPtr;
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45 unsigned long extra[5];
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46 } NSFastEnumerationState;
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47
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48 @protocol NSFastEnumeration
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49
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50 - (unsigned long)countByEnumeratingWithState:(NSFastEnumerationState *)state objects:(id *)stackbuf count:(unsigned long)len;
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51
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52 @end
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53
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54 int main ()
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55 {
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56 NSObject<NSFastEnumeration>* collection = 0;
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57 for (id thing : collection) { }
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58
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59 id array;
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60 for (int (^b)(void) : array) {
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61 if (b() == 10000) {
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62 return 1;
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63 }
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64 }
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65 return 0;
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66 }
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67
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68 /* rdar://problem/11068137 */
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69 @interface Test2
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70 @property (assign) id prop;
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71 @end
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72 void test2(NSObject<NSFastEnumeration> *collection) {
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73 Test2 *obj;
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74 for (obj.prop : collection) { // expected-error {{for range declaration must declare a variable}}
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75 }
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76 }
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77
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78 void testErrors(NSArray *array) {
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79 typedef int fn(int);
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80
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81 for (fn x in array) { } // expected-error{{non-variable declaration in 'for' loop}}
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82 }
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