clang/test/Frontend/plugin-call-super.cpp

   1 // RUN: %clang_cc1 -load %llvmshlibdir/CallSuperAttr%pluginext -fsyntax-only -verify=callsuper %s
   2 // RUN: %clang_cc1 -load %llvmshlibdir/CallSuperAttr%pluginext -DBAD_CALLSUPER -fsyntax-only -verify=badcallsuper %s
   3 // REQUIRES: plugins, examples
   4
   5 // callsuper-no-diagnostics
   6 struct Base1 {
   7   [[clang::call_super]] virtual void Test() {}
   8 };
   9 struct Base2 {
  10   [[clang::call_super]] virtual void Test() {}
  11 };
  12 struct Derive : public Base1, public Base2 {
  13 #ifndef BAD_CALLSUPER
  14   void Test() override;
  15 #else
  16   [[clang::call_super]] virtual void Test() override final;
  17   // badcallsuper-warning@16 {{'call_super' attribute marked on a final method}}
  18 #endif
  19 };
  20 void Derive::Test() {
  21   Base1::Test();
  22 #ifndef BAD_CALLSUPER
  23   Base2::Test();
  24 #else
  25   // badcallsuper-warning@20 {{virtual function 'Base2::Test' is marked as 'call_super' but this overriding method does not call the base version}}
  26   // badcallsuper-note@10 {{function marked 'call_super' here}}
  27 #endif
  28 }
  29 struct Derive2 : public Base1, public Base2 {
  30   void Test() override {
  31     Base1::Test();
  32     Base2::Test();
  33   }
  34 };