test/BlocksRuntime/recursive-test.c

   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 }