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// RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s
typedef const void * VoidStar;
typedef struct __CFDictionary * CFMDRef;
void RandomFunc(CFMDRef theDict, const void *key, const void *value);
@interface Foo
- (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context;
- (void)a:(id *)objects b:(id *)keys;
@end
@implementation Foo
- (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context {
id item;
id obj;
func(item, obj, context);
}
- (void)a:(id *)objects b:(id *)keys {
VoidStar dict;
id key;
RandomFunc((CFMDRef)dict, key, objects[3]);
}
@end
@interface I
- (void) Meth : (I*) Arg; // expected-note{{passing argument to parameter 'Arg' here}}
@end
void Func (I* arg); // expected-note {{candidate function not viable: no known conversion from 'const I *' to 'I *' for 1st argument}}
void foo(const I *p, I* sel) {
[sel Meth : p]; // expected-error {{cannot initialize a parameter of type 'I *' with an lvalue of type 'const I *'}}
Func(p); // expected-error {{no matching function for call to 'Func'}}
}
@interface DerivedFromI : I
@end
void accept_derived(DerivedFromI*);
void test_base_to_derived(I* i) {
accept_derived(i); // expected-warning{{incompatible pointer types passing 'I *' to parameter of type 'DerivedFromI *'}}
DerivedFromI *di = i; // expected-warning{{incompatible pointer types initializing 'DerivedFromI *' with an expression of type 'I *'}}
DerivedFromI *di2 = (DerivedFromI *)i;
}
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