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      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'';
     87 const char16_t char16_t_value = u'';
     88 const char32_t char32_t_value = U'';
     89