clang/test/PCH/cxx_exprs.h

   1 // Header for PCH test cxx_exprs.cpp
   2
   3
   4 // CXXStaticCastExpr
   5 typedef __typeof__(static_cast<void *>(0)) static_cast_result;
   6
   7 // CXXDynamicCastExpr
   8 struct Base { Base(int); virtual void f(int x = 492); ~Base(); };
   9 struct Derived : Base { Derived(); void g(); };
  10 Base *base_ptr;
  11 typedef __typeof__(dynamic_cast<Derived *>(base_ptr)) dynamic_cast_result;
  12
  13 // CXXReinterpretCastExpr
  14 typedef __typeof__(reinterpret_cast<void *>(0)) reinterpret_cast_result;
  15
  16 // CXXConstCastExpr
  17 const char *const_char_ptr_value;
  18 typedef __typeof__(const_cast<char *>(const_char_ptr_value)) const_cast_result;
  19
  20 // CXXFunctionalCastExpr
  21 int int_value;
  22 typedef __typeof__(double(int_value)) functional_cast_result;
  23
  24 // CXXBoolLiteralExpr
  25 typedef __typeof__(true) bool_literal_result;
  26 const bool true_value = true;
  27 const bool false_value = false;
  28
  29 // CXXNullPtrLiteralExpr
  30 typedef __typeof__(nullptr) cxx_null_ptr_result;
  31
  32 void foo(Derived *P) {
  33   // CXXMemberCallExpr
  34   P->f(12);
  35 }
  36
  37
  38 // FIXME: This is a hack until <typeinfo> works completely.
  39 namespace std {
  40   class type_info {};
  41 }
  42
  43 // CXXTypeidExpr - Both expr and type forms.
  44 typedef __typeof__(typeid(int))* typeid_result1;
  45 typedef __typeof__(typeid(2))*   typeid_result2;
  46
  47 Derived foo();
  48
  49 Derived::Derived() : Base(4) {
  50 }
  51
  52 void Derived::g() {
  53   // CXXThisExpr
  54   f(2);        // Implicit
  55   this->f(1);  // Explicit
  56
  57   // CXXThrowExpr
  58   throw;
  59   throw 42;
  60
  61   // CXXDefaultArgExpr
  62   f();
  63
  64   const Derived &X = foo();
  65
  66   // FIXME: How do I make a CXXBindReferenceExpr, CXXConstructExpr?
  67
  68   int A = int(0.5);  // CXXFunctionalCastExpr
  69   A = int();         // CXXZeroInitValueExpr
  70
  71   Base *b = new Base(4);       // CXXNewExpr
  72   delete b;                    // CXXDeleteExpr
  73 }
  74
  75
  76 // FIXME: The comment on CXXTemporaryObjectExpr is broken, this doesn't make
  77 // one.
  78 struct CtorStruct { CtorStruct(int, float); };
  79
  80 CtorStruct create_CtorStruct() {
  81   return CtorStruct(1, 3.14f); // CXXTemporaryObjectExpr
  82 };
  83
  84 // CharacterLiteral variants
  85 const char char_value = 'a';
  86 const wchar_t wchar_t_value = L'ı';
  87 const char16_t char16_t_value = u'ç';
  88 const char32_t char32_t_value = U'∂';