Blaine Garst | 86d0ba4 | 2010-08-04 23:34:21 +0000 | [diff] [blame] | 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 |
| 8 | |
| 9 | |
| 10 | #include <stdio.h> |
| 11 | #include <stdbool.h> |
| 12 | #include <stdlib.h> |
| 13 | #include <Block.h> |
| 14 | |
| 15 | int |
| 16 | main(int argc, char *argv[]) |
| 17 | { |
| 18 | __block int var = 0; |
| 19 | void (^b)(void) = ^{ var++; }; |
| 20 | |
| 21 | //sanity(b); |
| 22 | b(); |
| 23 | printf("%s: success!\n", argv[0]); |
| 24 | return 0; |
| 25 | } |
| 26 | |
| 27 | |
| 28 | #if 1 |
| 29 | /* replicated internal data structures: BEWARE, MAY CHANGE!!! */ |
| 30 | |
| 31 | enum { |
| 32 | BLOCK_REFCOUNT_MASK = (0xffff), |
| 33 | BLOCK_NEEDS_FREE = (1 << 24), |
| 34 | BLOCK_HAS_COPY_DISPOSE = (1 << 25), |
| 35 | BLOCK_NO_COPY = (1 << 26), // interim byref: no copies allowed |
| 36 | BLOCK_IS_GC = (1 << 27), |
| 37 | BLOCK_IS_GLOBAL = (1 << 28), |
| 38 | }; |
| 39 | |
| 40 | struct byref_id { |
| 41 | struct byref_id *forwarding; |
| 42 | int flags;//refcount; |
| 43 | int size; |
| 44 | void (*byref_keep)(struct byref_id *dst, struct byref_id *src); |
| 45 | void (*byref_destroy)(struct byref_id *); |
| 46 | int var; |
| 47 | }; |
| 48 | struct Block_basic2 { |
| 49 | void *isa; |
| 50 | int Block_flags; // int32_t |
| 51 | int Block_size; // XXX should be packed into Block_flags |
| 52 | void (*Block_invoke)(void *); |
| 53 | void (*Block_copy)(void *dst, void *src); |
| 54 | void (*Block_dispose)(void *); |
| 55 | struct byref_id *ref; |
| 56 | }; |
| 57 | |
| 58 | void sanity(void *arg) { |
| 59 | struct Block_basic2 *bb = (struct Block_basic2 *)arg; |
| 60 | if ( ! (bb->Block_flags & BLOCK_HAS_COPY_DISPOSE)) { |
| 61 | printf("missing copy/dispose helpers for byref data\n"); |
| 62 | exit(1); |
| 63 | } |
| 64 | struct byref_id *ref = bb->ref; |
| 65 | if (ref->forwarding != ref) { |
| 66 | printf("forwarding pointer should be %p but is %p\n", ref, ref->forwarding); |
| 67 | exit(1); |
| 68 | } |
| 69 | } |
| 70 | #endif |
| 71 | |
| 72 | |
| 73 | |