clang/test/SemaCXX/ptrtomember.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++11
   2
   3 struct  S {
   4         int i;
   5
   6         int mem(int);
   7 };
   8
   9 int foo(int S::* ps, S *s)
  10 {
  11     return (s->*ps)(1); // expected-error {{called object type 'int' is not a function or function pointer}}
  12 }
  13
  14 struct S2 {
  15   int bitfield : 1;
  16   struct {
  17     int anon_bitfield : 1;
  18   };
  19 };
  20
  21 int S2::*pf = &S2::bitfield; // expected-error {{address of bit-field requested}}
  22 int S2::*anon_pf = &S2::anon_bitfield; // expected-error {{address of bit-field requested}}
  23
  24 struct S3 {
  25   void m();
  26 };
  27
  28 void f3(S3* p, void (S3::*m)()) {
  29     p->*m; // expected-error {{reference to non-static member function must be called}}
  30     (void)(p->*m); // expected-error {{reference to non-static member function must be called}}
  31     (void)(void*)(p->*m); // expected-error {{reference to non-static member function must be called}} expected-error {{cannot cast from type 'void' to pointer type 'void *'}}
  32     (void)reinterpret_cast<void*>(p->*m); // expected-error {{reference to non-static member function must be called}} expected-error {{reinterpret_cast from 'void' to 'void *' is not allowed}}
  33     if (p->*m) {} // expected-error {{reference to non-static member function must be called}} expected-error {{value of type 'void' is not contextually convertible to 'bool'}}
  34     if (!(p->*m)) {} // expected-error {{reference to non-static member function must be called}} expected-error {{invalid argument type 'void' to unary expression}}
  35     if (p->m) {}; // expected-error {{reference to non-static member function must be called}} expected-error {{value of type 'void' is not contextually convertible to 'bool'}}
  36     if (!p->m) {}; // expected-error {{reference to non-static member function must be called}} expected-error {{invalid argument type 'void' to unary expression}}
  37 }