| /* APPLE LOCAL file radar 5732232, 6034839, 6230297 - blocks */ |
| /* { dg-do compile } */ |
| /* { dg-options "-fblocks" } */ |
| |
| void I( void (^)(void)); |
| void (^noop)(void); |
| |
| void nothing(); |
| int printf(const char*, ...); |
| |
| typedef void (^T) (void); |
| |
| void takeblock(T); |
| int takeintint(int (^C)(int)) { return C(4); } |
| |
| T somefunction() { |
| if (^{ }) |
| nothing(); |
| |
| noop = ^{}; |
| |
| noop = ^{printf("\nBlock\n"); }; |
| |
| I(^{ }); |
| |
| noop = ^noop /* { dg-error "expected specifier" } */ |
| /* { dg-error "blocks require" "" { target *-*-* } 26 } */ |
| ; /* { dg-error "argument list is required for block expression literals" } */ |
| |
| return ^{printf("\nBlock\n"); }; |
| } |
| |
| void test2() { |
| int x = 4; |
| |
| takeblock(^{ printf("%d\n", x); }); |
| takeblock(^{ x = 4; }); /* { dg-error "assignment of read-only variable" } */ |
| |
| takeblock(^test2() /* { dg-error "expected specifier" } */ |
| /* { dg-error "blocks require" "" { target *-*-* } 39 } */ |
| ); /* { dg-error "argument list is required for block expression literals" } */ |
| |
| takeblock(^(void)(void)printf("hello world!\n")); /* { dg-error "blocks require" } */ |
| } |
| |
| void (^test3())(void) { |
| /* APPLE LOCAL radar 6230297 */ |
| return ^{}; |
| } |
| |
| void test4() { |
| void (^noop)(void) = ^{}; |
| void (*noop2)() = 0; |
| } |
| |
| void test5() { |
| takeintint(^(int x)(x+1)); /* { dg-error "blocks require" } */ |
| |
| // Block expr of statement expr. |
| takeintint(^(int x)({ /* { dg-error "blocks require" } */ |
| return 42; })); /* { dg-error "return not allowed in block expression literal" } */ |
| |
| int y; |
| takeintint(^(int x)(x+y)); /* { dg-error "blocks require" } */ |
| |
| void *X = ^(x+r); /* { dg-error "expected" } */ |
| |
| int (^c)(char); |
| (1 ? c : 0)('x'); |
| (1 ? 0 : c)('x'); |
| |
| (1 ? c : c)('x'); |
| } |