89 lines
1.6 KiB
C
89 lines
1.6 KiB
C
// RUN: %clang_cc1 -fsyntax-only %s -verify -fblocks
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void I( void (^)(void));
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void (^noop)(void);
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void nothing();
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int printf(const char*, ...);
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typedef void (^T) (void);
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void takeblock(T);
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int takeintint(int (^C)(int)) { return C(4); }
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T somefunction() {
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if (^{ })
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nothing();
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noop = ^{};
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noop = ^{printf("\nClosure\n"); };
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I(^{ });
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return ^{printf("\nClosure\n"); };
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}
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void test2() {
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int x = 4;
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takeblock(^{ printf("%d\n", x); });
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while (1) {
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takeblock(^{
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break; // expected-error {{'break' statement not in loop or switch statement}}
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continue; // expected-error {{'continue' statement not in loop statement}}
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while(1) break; // ok
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goto foo; // expected-error {{use of undeclared label 'foo'}}
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a: goto a; // ok
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});
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break;
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}
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foo:
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takeblock(^{ x = 4; }); // expected-error {{variable is not assignable (missing __block type specifier)}}
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__block y = 7; // expected-warning {{type specifier missing, defaults to 'int'}}
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takeblock(^{ y = 8; });
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}
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void (^test3())(void) {
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return ^{};
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}
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void test4() {
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void (^noop)(void) = ^{};
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void (*noop2)() = 0;
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}
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void myfunc(int (^block)(int)) {}
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void myfunc3(const int *x);
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void test5() {
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int a;
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myfunc(^(int abcd) {
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myfunc3(&a);
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return 1;
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});
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}
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void *X;
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void test_arguments() {
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int y;
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int (^c)(char);
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(1 ? c : 0)('x');
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(1 ? 0 : c)('x');
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(1 ? c : c)('x');
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}
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static int global_x = 10;
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void (^global_block)(void) = ^{ printf("global x is %d\n", global_x); };
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typedef void (^void_block_t)(void);
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static const void_block_t myBlock = ^{ };
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static const void_block_t myBlock2 = ^ void(void) { };
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