clang/test/SemaCXX/cxx11-ast-print.cpp

   1 // RUN: %clang_cc1 -std=c++11 -ast-print %s | FileCheck %s
   2
   3 // CHECK: auto operator""_foo(const char *p, decltype(sizeof(int))) -> decltype(nullptr);
   4 auto operator"" _foo(const char *p, decltype(sizeof(int))) -> decltype(nullptr);
   5
   6 // CHECK: decltype(""_foo) operator""_bar(unsigned long long);
   7 decltype(""_foo) operator"" _bar(unsigned long long);
   8
   9 // CHECK: decltype(42_bar) operator""_baz(long double);
  10 decltype(42_bar) operator"" _baz(long double);
  11
  12 // CHECK: decltype(4.5_baz) operator""_baz(char);
  13 decltype(4.5_baz) operator"" _baz(char);
  14
  15 // CHECK: const char *operator""_quux(const char *);
  16 const char *operator"" _quux(const char *);
  17
  18 // CHECK: template <char ...> const char *operator""_fritz();
  19 template<char...> const char *operator"" _fritz();
  20
  21 // CHECK: const char *p1 = "bar1"_foo;
  22 const char *p1 = "bar1"_foo;
  23 // CHECK: const char *p2 = "bar2"_foo;
  24 const char *p2 = R"x(bar2)x"_foo;
  25 // CHECK: const char *p3 = u8"bar3"_foo;
  26 const char *p3 = u8"bar3"_foo;
  27 // CHECK: const char *p4 = 297_bar;
  28 const char *p4 = 0x129_bar;
  29 // CHECK: const char *p5 = 1.0E+12_baz;
  30 const char *p5 = 1e12_baz;
  31 // CHECK: const char *p6 = 'x'_baz;
  32 const char *p6 = 'x'_baz;
  33 // CHECK: const char *p7 = 123_quux;
  34 const char *p7 = 123_quux;
  35 // CHECK: const char *p8 = 4.9_quux;
  36 const char *p8 = 4.9_quux;
  37 // CHECK: const char *p9 = 0x42e3F_fritz;
  38 const char *p9 = 0x42e3F_fritz;
  39 // CHECK: const char *p10 = 3.300e+15_fritz;
  40 const char *p10 = 3.300e+15_fritz;
  41
  42 template <class C, C...> const char *operator"" _suffix();
  43 // CHECK: const char *PR23120 = operator""_suffix<char32_t, U'\U00010437'>();
  44 const char *PR23120 = U"𐐷"_suffix;
  45
  46 // PR28885
  47 struct A {
  48   A();
  49 };
  50 struct B : A {
  51   using A::A; // CHECK:      using A::A;
  52 };            // CHECK-NEXT: };
  53
  54 // CHECK: ;
  55 ;
  56 // CHECK-NOT: ;
  57
  58 void g(int n) {
  59   int buffer[n];     // CHECK: int buffer[n];
  60   [&buffer]() {}();  // CHECK: [&buffer]
  61 }
  62