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//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
// CONFIG
#include <stdio.h>
#include <stdbool.h>
#include <stdlib.h>
#include <Block.h>
int
main(int argc, char *argv[])
{
__block int var = 0;
void (^b)(void) = ^{ var++; };
//sanity(b);
b();
printf("%s: success!\n", argv[0]);
return 0;
}
#if 1
/* replicated internal data structures: BEWARE, MAY CHANGE!!! */
enum {
BLOCK_REFCOUNT_MASK = (0xffff),
BLOCK_NEEDS_FREE = (1 << 24),
BLOCK_HAS_COPY_DISPOSE = (1 << 25),
BLOCK_NO_COPY = (1 << 26), // interim byref: no copies allowed
BLOCK_IS_GC = (1 << 27),
BLOCK_IS_GLOBAL = (1 << 28),
};
struct byref_id {
struct byref_id *forwarding;
int flags;//refcount;
int size;
void (*byref_keep)(struct byref_id *dst, struct byref_id *src);
void (*byref_destroy)(struct byref_id *);
int var;
};
struct Block_basic2 {
void *isa;
int Block_flags; // int32_t
int Block_size; // XXX should be packed into Block_flags
void (*Block_invoke)(void *);
void (*Block_copy)(void *dst, void *src);
void (*Block_dispose)(void *);
struct byref_id *ref;
};
void sanity(void *arg) {
struct Block_basic2 *bb = (struct Block_basic2 *)arg;
if ( ! (bb->Block_flags & BLOCK_HAS_COPY_DISPOSE)) {
printf("missing copy/dispose helpers for byref data\n");
exit(1);
}
struct byref_id *ref = bb->ref;
if (ref->forwarding != ref) {
printf("forwarding pointer should be %p but is %p\n", ref, ref->forwarding);
exit(1);
}
}
#endif
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