90 lines · c
1// RUN: %clang_cc1 -fsyntax-only %s -verify -fblocks2 3void I( void (^)(void));4void (^noop)(void);5 6void nothing(void);7int printf(const char*, ...);8 9typedef void (^T) (void);10 11void takeblock(T);12int takeintint(int (^C)(int)) { return C(4); }13 14T somefunction(void) {15 if (^{ })16 nothing();17 18 noop = ^{};19 20 noop = ^{printf("\nClosure\n"); };21 22 I(^{ });23 24 return ^{printf("\nClosure\n"); };25}26void test2(void) {27 int x = 4;28 29 takeblock(^{ printf("%d\n", x); });30 31 while (1) {32 takeblock(^{33 break; // expected-error {{'break' statement not in loop or switch statement}}34 continue; // expected-error {{'continue' statement not in loop statement}}35 while(1) break; // ok36 goto foo; // expected-error {{use of undeclared label 'foo'}}37 a: goto a; // ok38 });39 break;40 }41 42 foo:43 takeblock(^{ x = 4; }); // expected-error {{variable is not assignable (missing __block type specifier)}}44 __block y = 7; // expected-error {{type specifier missing, defaults to 'int'}}45 takeblock(^{ y = 8; });46}47 48 49void (^test3(void))(void) {50 return ^{};51}52 53void test4(void) {54 void (^noop)(void) = ^{};55 void (*noop2)(void) = 0;56}57 58void myfunc(int (^block)(int)) {}59 60void myfunc3(const int *x);61 62void test5(void) {63 int a;64 65 myfunc(^(int abcd) {66 myfunc3(&a);67 return 1;68 });69}70 71void *X;72 73void test_arguments(void) {74 int y;75 int (^c)(char);76 (1 ? c : 0)('x');77 (1 ? 0 : c)('x');78 79 (1 ? c : c)('x');80}81 82static int global_x = 10;83void (^global_block)(void) = ^{ printf("global x is %d\n", global_x); };84 85typedef void (^void_block_t)(void);86 87static const void_block_t myBlock = ^{ };88 89static const void_block_t myBlock2 = ^ void(void) { };90