| 1 | // RUN: %clang_cc1 -fsyntax-only -verify -Wparentheses -Wno-objc-root-class %s |
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| 2 | |
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| 3 | // Don't warn about some common ObjC idioms unless we have -Widiomatic-parentheses on. |
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| 4 | // <rdar://problem/7382435> |
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| 5 | |
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| 6 | @interface Object |
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| 7 | { |
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| 8 | unsigned uid; |
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| 9 | } |
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| 10 | - (id) init; |
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| 11 | - (id) initWithInt: (int) i; |
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| 12 | - (id) myInit __attribute__((objc_method_family(init))); |
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| 13 | - (void) iterate: (id) coll; |
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| 14 | - (id) nextObject; |
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| 15 | @property unsigned uid; |
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| 16 | @end |
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| 17 | |
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| 18 | @implementation Object |
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| 19 | @synthesize uid; |
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| 20 | - (id) init { |
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| 21 | if (self = [self init]) { |
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| 22 | } |
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| 23 | return self; |
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| 24 | } |
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| 25 | |
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| 26 | - (id) initWithInt: (int) i { |
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| 27 | if (self = [self initWithInt: i]) { |
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| 28 | } |
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| 29 | // rdar://11066598 |
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| 30 | if (self.uid = 100) { // expected-warning {{using the result of an assignment as a condition without parentheses}} \ |
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| 31 | // expected-note {{place parentheses around the assignment to silence this warning}} \ |
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| 32 | // expected-note {{use '==' to turn this assignment into an equality comparison}} |
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| 33 | // ... |
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| 34 | } |
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| 35 | return self; |
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| 36 | } |
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| 37 | |
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| 38 | - (id) myInit { |
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| 39 | if (self = [self myInit]) { |
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| 40 | } |
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| 41 | return self; |
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| 42 | } |
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| 43 | |
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| 44 | - (void) iterate: (id) coll { |
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| 45 | id cur; |
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| 46 | while (cur = [coll nextObject]) { |
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| 47 | } |
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| 48 | } |
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| 49 | |
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| 50 | - (id) nextObject { |
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| 51 | return self; |
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| 52 | } |
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| 53 | @end |
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| 54 | |
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