1 // RUN: %clang_cc1 -fsyntax-only -verify -Wno-objc-root-class %s 2 3 typedef const void * VoidStar; 4 5 typedef struct __CFDictionary * CFMDRef; 6 7 void RandomFunc(CFMDRef theDict, const void *key, const void *value); 8 9 @interface Foo 10 - (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context; 11 - (void)a:(id *)objects b:(id *)keys; 12 @end 13 14 @implementation Foo 15 - (void)_apply:(void (*)(const void *, const void *, void *))func context:(void *)context { 16 id item; 17 id obj; 18 func(item, obj, context); 19 } 20 21 - (void)a:(id *)objects b:(id *)keys { 22 VoidStar dict; 23 id key; 24 RandomFunc((CFMDRef)dict, key, objects[3]); 25 } 26 @end 27 28 @interface I 29 - (void) Meth : (I*) Arg; // expected-note{{passing argument to parameter 'Arg' here}} 30 @end 31 32 void Func (I* arg); // expected-note {{candidate function not viable: no known conversion from 'const I *' to 'I *' for 1st argument}} 33 34 void foo(const I *p, I* sel) { 35 [sel Meth : p]; // expected-error {{cannot initialize a parameter of type 'I *' with an lvalue of type 'const I *'}} 36 Func(p); // expected-error {{no matching function for call to 'Func'}} 37 } 38 39 @interface DerivedFromI : I 40 @end 41 42 void accept_derived(DerivedFromI*); 43 44 void test_base_to_derived(I* i) { 45 accept_derived(i); // expected-warning{{incompatible pointer types passing 'I *' to parameter of type 'DerivedFromI *'}} 46 DerivedFromI *di = i; // expected-warning{{incompatible pointer types initializing 'DerivedFromI *' with an expression of type 'I *'}} 47 DerivedFromI *di2 = (DerivedFromI *)i; 48 } 49
