clang/test/SemaCXX/member-pointers-2.cpp

   1 // RUN: %clang_cc1 -emit-llvm-only %s
   2
   3 // Tests that Sema properly creates member-access expressions for
   4 // these instead of bare FieldDecls.
   5
   6 struct Foo {
   7   int myvalue;
   8
   9   // We have to override these to get something with an lvalue result.
  10   int &operator++(int);
  11   int &operator--(int);
  12 };
  13
  14 struct Test0 {
  15   Foo memfoo;
  16   int memint;
  17   int memarr[10];
  18   Test0 *memptr;
  19   struct MemClass { int a; } memstruct;
  20   int &memfun();
  21
  22   void test() {
  23     int *p;
  24     p = &Test0::memfoo++;
  25     p = &Test0::memfoo--;
  26     p = &Test0::memarr[1];
  27     p = &Test0::memptr->memint;
  28     p = &Test0::memstruct.a;
  29     p = &Test0::memfun();
  30   }
  31 };
  32
  33 void test0() {
  34   Test0 mytest;
  35   mytest.test();
  36 }
  37
  38 namespace rdar9065289 {
  39   typedef void (*FuncPtr)();
  40   struct X0 { };
  41
  42   struct X1
  43   {
  44     X0* x0;
  45     FuncPtr X0::*fptr;
  46   };
  47
  48   void f(X1 p) {
  49     (p.x0->*(p.fptr))();
  50   }
  51 }