Mercurial > hg > CbC > CbC_llvm

annotate clang/test/SemaObjC/warn-retain-block-property.m @ 180:680fa57a2f20

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fix compile errors.
author Shinji KONO <kono@ie.u-ryukyu.ac.jp>
date Sat, 30 May 2020 17:44:06 +0900
parents 1d019706d866
children c4bab56944e8
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1 // RUN: not %clang_cc1 -fsyntax-only -fblocks -fobjc-arc -Wno-objc-root-class %s 2>&1 | FileCheck --check-prefix=CHECK-ARC %s
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2 // rdar://9829425
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3
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4 // RUN: not %clang_cc1 -fsyntax-only -fblocks -Wno-objc-root-class %s 2>&1 | FileCheck %s
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5 // rdar://11761511
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6
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7 extern void doSomething();
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8
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9 @interface Test
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10 {
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11 @public
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12 void (^aBlock)(void);
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13 }
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14 @property (retain) void (^aBlock)(void);
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15 @property (weak, retain) void (^aBlockW)(void);
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16 @property (strong, retain) void (^aBlockS)(void); // OK
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17 @property (readonly, retain) void (^aBlockR)(void); // OK
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18 @property (copy, retain) void (^aBlockC)(void);
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19 @property (assign, retain) void (^aBlockA)(void);
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20 @end
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21
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22 @implementation Test
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23 @synthesize aBlock;
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24 @dynamic aBlockW, aBlockS, aBlockR, aBlockC, aBlockA;
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25 @end
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26
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27 int main() {
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28 Test *t;
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29 t.aBlock = ^{ doSomething(); };
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30 t.aBlockW = ^{ doSomething(); };
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31 t.aBlockS = ^{ doSomething(); };
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32 }
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33
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34 // CHECK-ARC: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead
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35 // CHECK-ARC: @property (retain) void (^aBlock)(void);
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36 // CHECK-ARC: ^
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37 // CHECK-ARC: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive
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38 // CHECK-ARC: @property (weak, retain) void (^aBlockW)(void);
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39 // CHECK-ARC: ^
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40 // CHECK-ARC: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive
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41 // CHECK-ARC: @property (copy, retain) void (^aBlockC)(void);
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42 // CHECK-ARC: ^
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43 // CHECK-ARC: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive
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44 // CHECK-ARC: @property (assign, retain) void (^aBlockA)(void);
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45 // CHECK-ARC: ^
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46 // CHECK-ARC: 30:13: warning: assigning block literal to a weak property; object will be released after assignment
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47 // CHECK-ARC: t.aBlockW = ^{ doSomething(); };
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48 // CHECK-ARC: ^ ~~~~~~~~~~~~~~~~~~~
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49 // CHECK-ARC: 2 warnings and 3 errors generated.
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50
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51 // CHECK: 14:1: warning: retain'ed block property does not copy the block - use copy attribute instead
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52 // CHECK: @property (retain) void (^aBlock)(void);
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53 // CHECK: ^
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54 // CHECK: 15:1: error: property attributes 'retain' and 'weak' are mutually exclusive
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55 // CHECK: @property (weak, retain) void (^aBlockW)(void);
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56 // CHECK: ^
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57 // CHECK: 18:1: error: property attributes 'copy' and 'retain' are mutually exclusive
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58 // CHECK: @property (copy, retain) void (^aBlockC)(void);
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59 // CHECK: ^
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60 // CHECK: 19:1: error: property attributes 'assign' and 'retain' are mutually exclusive
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61 // CHECK: @property (assign, retain) void (^aBlockA)(void);
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62 // CHECK: ^
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63 // CHECK: 1 warning and 3 errors generated.