clang/test/SemaCXX/attr-callback.cpp

   1 // RUN: %clang_cc1 %s -verify -fsyntax-only
   2
   3 // expected-no-diagnostics
   4
   5 class C_in_class {
   6 #include "../Sema/attr-callback.c"
   7 };
   8
   9 struct Base {
  10
  11   void no_args_1(void (*callback)(void));
  12   __attribute__((callback(1))) void no_args_2(void (*callback)(void));
  13   __attribute__((callback(callback))) void no_args_3(void (*callback)(void)) {}
  14
  15   __attribute__((callback(1, 0))) virtual void
  16   this_tr(void (*callback)(Base *));
  17
  18   __attribute__((callback(1, this, __, this))) virtual void
  19   this_unknown_this(void (*callback)(Base *, Base *, Base *));
  20
  21   __attribute__((callback(1))) virtual void
  22   virtual_1(void (*callback)(void));
  23
  24   __attribute__((callback(callback))) virtual void
  25   virtual_2(void (*callback)(void));
  26
  27   __attribute__((callback(1))) virtual void
  28   virtual_3(void (*callback)(void));
  29 };
  30
  31 __attribute__((callback(1))) void
  32 Base::no_args_1(void (*callback)(void)) {
  33 }
  34
  35 void Base::no_args_2(void (*callback)(void)) {
  36 }
  37
  38 struct Derived_1 : public Base {
  39
  40   __attribute__((callback(1, 0))) virtual void
  41   this_tr(void (*callback)(Base *)) override;
  42
  43   __attribute__((callback(1))) virtual void
  44   virtual_1(void (*callback)(void)) override {}
  45
  46   virtual void
  47   virtual_3(void (*callback)(void)) override {}
  48 };
  49
  50 struct Derived_2 : public Base {
  51
  52   __attribute__((callback(callback))) virtual void
  53   virtual_1(void (*callback)(void)) override;
  54
  55   virtual void
  56   virtual_2(void (*callback)(void)) override;
  57
  58   virtual void
  59   virtual_3(void (*callback)(void)) override;
  60 };
  61
  62 void Derived_2::virtual_1(void (*callback)(void)) {}
  63
  64 __attribute__((callback(1))) void
  65 Derived_2::virtual_2(void (*callback)(void)) {}
  66
  67 void Derived_2::virtual_3(void (*callback)(void)) {}