1 // 2 // The LLVM Compiler Infrastructure 3 // 4 // This file is distributed under the University of Illinois Open Source 5 // License. See LICENSE.TXT for details. 6 7 // CONFIG open rdar://6416474 8 // was rdar://5847976 9 // was rdar://6348320 10 11 #include <stdio.h> 12 #include <Block.h> 13 14 int verbose = 0; 15 16 int main(int argc, char* argv[]) { 17 18 if (argc > 1) verbose = 1; 19 20 __block void (^recursive_local_block)(int); 21 22 if (verbose) printf("recursive_local_block is a local recursive block\n"); 23 recursive_local_block = ^(int i) { 24 if (verbose) printf("%d\n", i); 25 if (i > 0) { 26 recursive_local_block(i - 1); 27 } 28 }; 29 30 if (verbose) printf("recursive_local_block's address is %p, running it:\n", (void*)recursive_local_block); 31 recursive_local_block(5); 32 33 if (verbose) printf("Creating other_local_block: a local block that calls recursive_local_block\n"); 34 35 void (^other_local_block)(int) = ^(int i) { 36 if (verbose) printf("other_local_block running\n"); 37 recursive_local_block(i); 38 }; 39 40 if (verbose) printf("other_local_block's address is %p, running it:\n", (void*)other_local_block); 41 42 other_local_block(5); 43 44 #if __APPLE_CC__ >= 5627 45 if (verbose) printf("Creating other_copied_block: a Block_copy of a block that will call recursive_local_block\n"); 46 47 void (^other_copied_block)(int) = Block_copy(^(int i) { 48 if (verbose) printf("other_copied_block running\n"); 49 recursive_local_block(i); 50 }); 51 52 if (verbose) printf("other_copied_block's address is %p, running it:\n", (void*)other_copied_block); 53 54 other_copied_block(5); 55 #endif 56 57 __block void (^recursive_copy_block)(int); 58 59 if (verbose) printf("Creating recursive_copy_block: a Block_copy of a block that will call recursive_copy_block recursively\n"); 60 61 recursive_copy_block = Block_copy(^(int i) { 62 if (verbose) printf("%d\n", i); 63 if (i > 0) { 64 recursive_copy_block(i - 1); 65 } 66 }); 67 68 if (verbose) printf("recursive_copy_block's address is %p, running it:\n", (void*)recursive_copy_block); 69 70 recursive_copy_block(5); 71 72 printf("%s: Success\n", argv[0]); 73 return 0; 74 } 75
