forked from OSchip/llvm-project
147 lines
3.0 KiB
Plaintext
147 lines
3.0 KiB
Plaintext
// RUN: %clang_cc1 -fsyntax-only -verify -fblocks %s
|
|
@protocol NSObject;
|
|
|
|
void bar(id(^)(void));
|
|
void foo(id <NSObject>(^objectCreationBlock)(void)) {
|
|
return bar(objectCreationBlock); // OK
|
|
}
|
|
|
|
void bar2(id(*)(void));
|
|
void foo2(id <NSObject>(*objectCreationBlock)(void)) {
|
|
return bar2(objectCreationBlock); // expected-warning{{incompatible pointer types passing 'id<NSObject> (*)()' to parameter of type 'id (*)()'}}
|
|
}
|
|
|
|
void bar3(id(*)()); // expected-note{{candidate function}}
|
|
void foo3(id (*objectCreationBlock)(int)) {
|
|
return bar3(objectCreationBlock); // expected-error{{no matching}}
|
|
}
|
|
|
|
void bar4(id(^)()); // expected-note{{candidate function}}
|
|
void foo4(id (^objectCreationBlock)(int)) {
|
|
return bar4(objectCreationBlock); // expected-error{{no matching}}
|
|
}
|
|
|
|
void foo5(id (^x)(int)) {
|
|
if (x) { }
|
|
}
|
|
|
|
// <rdar://problem/6590445>
|
|
@interface Foo {
|
|
@private
|
|
void (^_block)(void);
|
|
}
|
|
- (void)bar;
|
|
@end
|
|
|
|
namespace N {
|
|
class X { };
|
|
void foo(X);
|
|
}
|
|
|
|
@implementation Foo
|
|
- (void)bar {
|
|
_block();
|
|
foo(N::X()); // okay
|
|
}
|
|
@end
|
|
|
|
typedef signed char BOOL;
|
|
void foo6(void *block) {
|
|
void (^vb)(id obj, int idx, BOOL *stop) = (void (^)(id, int, BOOL *))block;
|
|
BOOL (^bb)(id obj, int idx, BOOL *stop) = (BOOL (^)(id, int, BOOL *))block;
|
|
}
|
|
|
|
// <rdar://problem/8600419>: Require that the types of block
|
|
// parameters are complete.
|
|
namespace N1 {
|
|
template<class _T> class ptr; // expected-note{{template is declared here}}
|
|
|
|
template<class _T>
|
|
class foo {
|
|
public:
|
|
void bar(void (^)(ptr<_T>));
|
|
};
|
|
|
|
class X;
|
|
|
|
void test2();
|
|
|
|
void test()
|
|
{
|
|
foo<X> f;
|
|
f.bar(^(ptr<X> _f) { // expected-error{{implicit instantiation of undefined template 'N1::ptr<N1::X>'}}
|
|
test2();
|
|
});
|
|
}
|
|
}
|
|
|
|
// Make sure we successfully instantiate the copy constructor of a
|
|
// __block variable's type.
|
|
namespace N2 {
|
|
template <int n> struct A {
|
|
A() {}
|
|
A(const A &other) {
|
|
int invalid[-n]; // expected-error 2 {{array with a negative size}}
|
|
}
|
|
};
|
|
|
|
void test1() {
|
|
__block A<1> x; // expected-note {{requested here}}
|
|
}
|
|
|
|
template <int n> void test2() {
|
|
__block A<n> x; // expected-note {{requested here}}
|
|
}
|
|
template void test2<2>();
|
|
}
|
|
|
|
// Handle value-dependent block declaration references.
|
|
namespace N3 {
|
|
template<int N> struct X { };
|
|
|
|
template<int N>
|
|
void f() {
|
|
X<N> xN = ^() { return X<N>(); }();
|
|
}
|
|
}
|
|
|
|
// rdar://8979379
|
|
|
|
@interface A
|
|
@end
|
|
|
|
@interface B : A
|
|
@end
|
|
|
|
void f(int (^bl)(A* a)); // expected-note {{candidate function not viable: no known conversion from 'int (^)(B *)' to 'int (^)(A *)' for 1st argument}}
|
|
|
|
void g() {
|
|
f(^(B* b) { return 0; }); // expected-error {{no matching function for call to 'f'}}
|
|
}
|
|
|
|
namespace DependentReturn {
|
|
template<typename T>
|
|
void f(T t) {
|
|
(void)^(T u) {
|
|
if (t != u)
|
|
return t + u;
|
|
else
|
|
return;
|
|
};
|
|
|
|
(void)^(T u) {
|
|
if (t == u)
|
|
return;
|
|
else
|
|
return t + u;
|
|
};
|
|
}
|
|
|
|
struct X { };
|
|
void operator+(X, X);
|
|
bool operator==(X, X);
|
|
bool operator!=(X, X);
|
|
|
|
template void f<X>(X);
|
|
}
|