llvm-project/clang/test/SemaObjC/blocks.m

27 lines
656 B
Objective-C

// RUN: clang -fsyntax-only -verify -fblocks %s
@protocol NSObject;
void bar(id(^)(void));
void foo(id <NSObject>(^objectCreationBlock)(void)) {
return bar(objectCreationBlock);
}
void bar2(id(*)(void));
void foo2(id <NSObject>(*objectCreationBlock)(void)) {
return bar2(objectCreationBlock);
}
void bar3(id(*)());
void foo3(id (*objectCreationBlock)(int)) {
return bar3(objectCreationBlock);
}
void bar4(id(^)());
void foo4(id (^objectCreationBlock)(int)) {
return bar4(objectCreationBlock); // expected-warning{{incompatible block pointer types passing 'id (^)(int)', expected 'id (^)()'}}
}
void foo5(id (^x)(int)) {
if (x) { }
}