forked from OSchip/llvm-project
47 lines
1.4 KiB
Objective-C
47 lines
1.4 KiB
Objective-C
// RUN: clang-cc -fsyntax-only -verify -fblocks %s
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@protocol NSObject;
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void bar(id(^)(void));
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void foo(id <NSObject>(^objectCreationBlock)(void)) {
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return bar(objectCreationBlock);
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}
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void bar2(id(*)(void));
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void foo2(id <NSObject>(*objectCreationBlock)(void)) {
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return bar2(objectCreationBlock);
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}
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void bar3(id(*)());
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void foo3(id (*objectCreationBlock)(int)) {
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return bar3(objectCreationBlock);
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}
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void bar4(id(^)());
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void foo4(id (^objectCreationBlock)(int)) {
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return bar4(objectCreationBlock);
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}
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void bar5(id(^)(void));
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void foo5(id (^objectCreationBlock)(int)) {
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return bar5(objectCreationBlock); // expected-warning{{incompatible block pointer types passing 'id (^)(int)', expected 'id (^)(void)'}}
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}
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void bar6(id(^)(int));
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void foo6(id (^objectCreationBlock)()) {
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return bar6(objectCreationBlock); // expected-warning{{incompatible block pointer types passing 'id (^)()', expected 'id (^)(int)'}}
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}
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void foo7(id (^x)(int)) {
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if (x) { }
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}
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@interface itf
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@end
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void foo8() {
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void *P = ^(itf x) {}; // expected-error {{Objective-C interface type 'itf' cannot be passed by value}}
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P = ^itf(int x) {}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value}}
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P = ^itf() {}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value}}
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P = ^itf{}; // expected-error {{Objective-C interface type 'itf' cannot be returned by value}}
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}
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