| // RUN: %clang_cc1 -fsyntax-only -verify %s |
| |
| @interface A { |
| @public |
| int ivar; |
| } |
| @property int prop; |
| @end |
| |
| typedef struct objc_object { |
| Class isa; |
| } *id; |
| |
| // Test instantiation of value-dependent ObjCIvarRefExpr, |
| // ObjCIsaRefExpr, and ObjCPropertyRefExpr nodes. |
| A *get_an_A(unsigned); |
| id get_an_id(unsigned); |
| |
| template<unsigned N, typename T, typename U, typename V> |
| void f(U value, V value2) { |
| get_an_A(N)->ivar = value; // expected-error{{incompatible pointer to integer conversion assigning to 'int' from 'int *'; dereference with *}} |
| get_an_A(N).prop = value2; // expected-error{{incompatible pointer to integer conversion assigning to 'int' from 'double *'}} |
| T c = get_an_id(N)->isa; // expected-error{{cannot initialize a variable of type 'int' with an lvalue of type 'Class'}} \ |
| // expected-warning 3 {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}} |
| } |
| |
| template void f<6, Class>(int, int); // expected-note{{in instantiation of}} |
| template void f<7, Class>(int*, int); // expected-note{{in instantiation of}} |
| template void f<8, Class>(int, double*); // expected-note{{in instantiation of}} |
| template void f<9, int>(int, int); // expected-note{{in instantiation of}} |
| |
| // Test instantiation of unresolved member reference expressions to an |
| // ivar reference. |
| template<typename T, typename U, typename V> |
| void f2(T ptr, U value, V value2) { |
| ptr->ivar = value; // expected-error{{incompatible pointer to integer conversion assigning to 'int' from 'int *'; dereference with *}} |
| ptr.prop = value2; // expected-error{{incompatible pointer to integer conversion assigning to 'int' from 'double *'}} |
| } |
| |
| template void f2(A*, int, int); |
| template void f2(A*, int*, int); // expected-note{{instantiation of}} |
| template void f2(A*, int, double*); // expected-note{{instantiation of}} |
| |
| // Test instantiation of unresolved member referfence expressions to |
| // an isa. |
| template<typename T, typename U> |
| void f3(U ptr) { |
| T c = ptr->isa; // expected-error{{cannot initialize a variable of type 'int' with an lvalue of type 'Class'}} \ |
| // expected-warning 1 {{direct access to Objective-C's isa is deprecated in favor of object_getClass()}} |
| } |
| |
| template void f3<Class>(id); // expected-note{{in instantiation of}} |
| template void f3<int>(id); // expected-note{{instantiation of}} |
| |
| // Implicit setter/getter |
| @interface B |
| - (int)foo; |
| - (void)setFoo:(int)value; |
| @end |
| |
| template<typename T> |
| void f4(B *b, T value) { |
| b.foo = value; // expected-error{{incompatible pointer to integer conversion assigning to 'int' from 'int *'; dereference with *}} |
| } |
| |
| template void f4(B*, int); |
| template void f4(B*, int*); // expected-note{{in instantiation of function template specialization 'f4<int *>' requested here}} |
| |
| template<typename T, typename U> |
| void f5(T ptr, U value) { |
| ptr.foo = value; // expected-error{{incompatible pointer to integer conversion assigning to 'int' from 'int *'; dereference with *}} |
| } |
| |
| template void f5(B*, int); |
| template void f5(B*, int*); // expected-note{{in instantiation of function template specialization 'f5<B *, int *>' requested here}} |