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54 lines
868 B
54 lines
868 B
/*
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* Copyright (c) Facebook, Inc. and its affiliates.
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*
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* This source code is licensed under the MIT license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import <Foundation/Foundation.h>
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typedef int (^GetNum)();
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@interface MyObject : NSObject
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@end
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@implementation MyObject {
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GetNum _get_num;
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}
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- (void)set_get_num:(GetNum)get_num {
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_get_num = get_num;
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}
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- (GetNum)get_get_num {
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return _get_num;
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}
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@end
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@interface Block : NSObject
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@end
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@implementation Block
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- (void)block_in_field_Good {
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int a[10];
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MyObject* o = [MyObject new];
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[o set_get_num:^int {
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return 5;
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}];
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GetNum get_num = [o get_get_num];
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a[get_num()] = 0;
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}
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- (void)block_in_field_Bad {
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int a[10];
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MyObject* o = [MyObject new];
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[o set_get_num:^int {
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return 15;
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}];
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GetNum get_num = [o get_get_num];
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a[get_num()] = 0;
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}
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@end
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