1//
2// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
3// See https://llvm.org/LICENSE.txt for license information.
4// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
5
6// CONFIG open rdar://6416474
7// was rdar://5847976
8// was rdar://6348320
9
10#include <stdio.h>
11#include <Block.h>
12
13int verbose = 0;
14
15int main(int argc, char* argv[]) {
16
17 if (argc > 1) verbose = 1;
18
19 __block void (^recursive_local_block)(int);
20
21 if (verbose) printf("recursive_local_block is a local recursive block\n");
22 recursive_local_block = ^(int i) {
23 if (verbose) printf("%d\n", i);
24 if (i > 0) {
25 recursive_local_block(i - 1);
26 }
27 };
28
29 if (verbose) printf("recursive_local_block's address is %p, running it:\n", (void*)recursive_local_block);
30 recursive_local_block(5);
31
32 if (verbose) printf("Creating other_local_block: a local block that calls recursive_local_block\n");
33
34 void (^other_local_block)(int) = ^(int i) {
35 if (verbose) printf("other_local_block running\n");
36 recursive_local_block(i);
37 };
38
39 if (verbose) printf("other_local_block's address is %p, running it:\n", (void*)other_local_block);
40
41 other_local_block(5);
42
43#if __APPLE_CC__ >= 5627
44 if (verbose) printf("Creating other_copied_block: a Block_copy of a block that will call recursive_local_block\n");
45
46 void (^other_copied_block)(int) = Block_copy(^(int i) {
47 if (verbose) printf("other_copied_block running\n");
48 recursive_local_block(i);
49 });
50
51 if (verbose) printf("other_copied_block's address is %p, running it:\n", (void*)other_copied_block);
52
53 other_copied_block(5);
54#endif
55
56 __block void (^recursive_copy_block)(int);
57
58 if (verbose) printf("Creating recursive_copy_block: a Block_copy of a block that will call recursive_copy_block recursively\n");
59
60 recursive_copy_block = Block_copy(^(int i) {
61 if (verbose) printf("%d\n", i);
62 if (i > 0) {
63 recursive_copy_block(i - 1);
64 }
65 });
66
67 if (verbose) printf("recursive_copy_block's address is %p, running it:\n", (void*)recursive_copy_block);
68
69 recursive_copy_block(5);
70
71 printf("%s: Success\n", argv[0]);
72 return 0;
73}
74