derek.holloway
7502bf64a4
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29 lines
1.3 KiB
Objective-C
29 lines
1.3 KiB
Objective-C
// RUN: %check_clang_tidy %s bugprone-no-escape %t -- -- -Wno-int-conversion
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// RUN: %check_clang_tidy %s -assume-filename=bugprone-no-escape.c bugprone-no-escape %t -- -- -fblocks -Wno-int-conversion
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typedef struct dispatch_queue_s *dispatch_queue_t;
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typedef struct dispatch_time_s *dispatch_time_t;
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typedef void (^dispatch_block_t)(void);
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void dispatch_async(dispatch_queue_t queue, dispatch_block_t block);
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void dispatch_after(dispatch_time_t when, dispatch_queue_t queue, dispatch_block_t block);
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extern dispatch_queue_t queue;
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void test_noescape_attribute(__attribute__((noescape)) int *p, int *q) {
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dispatch_async(queue, ^{
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*p = 123;
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// CHECK-MESSAGES: :[[@LINE-2]]:25: warning: pointer 'p' with attribute 'noescape' is captured by an asynchronously-executed block [bugprone-no-escape]
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// CHECK-MESSAGES: :[[@LINE-4]]:30: note: the 'noescape' attribute is declared here.
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});
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dispatch_after(456, queue, ^{
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*p = 789;
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// CHECK-MESSAGES: :[[@LINE-2]]:30: warning: pointer 'p' with attribute 'noescape' is captured by an asynchronously-executed block [bugprone-no-escape]
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});
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dispatch_async(queue, ^{
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*q = 0;
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// CHECK-MESSAGES-NOT: :[[@LINE-2]]:25: warning: pointer 'q' with attribute 'noescape' is captured by an asynchronously-executed block
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});
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}
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