reference, declaration → definition definition → references, declarations, derived classes, virtual overrides reference to multiple definitions → definitions unreferenced |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 | // RUN: %clang_cc1 -fsyntax-only -verify %s // expected-no-diagnostics #define nil (void *)0; #define Nil (void *)0; @protocol MyProtocol - (void) foo; @end @interface MyClass @end int main() { id obj = nil; id<MyProtocol> obj_p = nil; MyClass *obj_c = nil; Class obj_C = Nil; /* All these casts should generate no warnings. */ obj = (id)obj_p; obj = (id)obj_c; obj = (id)obj_C; obj_c = (MyClass *)obj; obj_c = (MyClass *)obj_p; obj_c = (MyClass *)obj_C; obj_p = (id<MyProtocol>)obj; obj_p = (id<MyProtocol>)obj_c; obj_p = (id<MyProtocol>)obj_C; obj_C = (Class)obj; obj_C = (Class)obj_p; obj_C = (Class)obj_c; return 0; } |