clang/test/Lexer/keywords_test.cpp

   1 // RUN: %clang_cc1 -std=c++03 -fsyntax-only %s
   2 // RUN: %clang_cc1 -std=c++11 -DCXX11 -fsyntax-only %s
   3 // RUN: %clang_cc1 -std=c++20 -DCXX11 -DCXX20 -fsyntax-only %s
   4 // RUN: %clang_cc1 -std=c++03 -fdeclspec -DDECLSPEC -fsyntax-only %s
   5 // RUN: %clang_cc1 -std=c++03 -fms-extensions -DDECLSPEC -fsyntax-only %s
   6 // RUN: %clang_cc1 -std=c++03 -fborland-extensions -DDECLSPEC -fsyntax-only %s
   7 // RUN: %clang_cc1 -std=c++03 -fms-extensions -fno-declspec -fsyntax-only %s
   8 // RUN: %clang_cc1 -std=c++03 -fborland-extensions -fno-declspec -fsyntax-only %s
   9 // RUN: %clang_cc1 -std=c++03 -fno-declspec -fdeclspec -DDECLSPEC -fsyntax-only %s
  10 // RUN: %clang_cc1 -std=c++03 -fdeclspec -fno-declspec -fsyntax-only %s
  11 // RUN: %clang_cc1 -std=c++03 -fms-extensions -fno-declspec -fdeclspec -DDECLSPEC -fsyntax-only %s
  12 // RUN: %clang_cc1 -std=c++03 -fms-extensions -fdeclspec -fno-declspec -fsyntax-only %s
  13 // RUN: %clang -std=c++03 -target i686-windows-msvc -DMS -DDECLSPEC -fsyntax-only %s
  14 // RUN: %clang -std=c++03 -target x86_64-scei-ps4 -DDECLSPEC -fsyntax-only %s
  15 // RUN: %clang -std=c++03 -target i686-windows-msvc -DMS -fno-declspec -fsyntax-only %s
  16 // RUN: %clang -std=c++03 -target x86_64-scei-ps4 -fno-declspec -fsyntax-only %s
  17
  18 // RUN: %clang_cc1 -std=c++98 -DFutureKeyword -fsyntax-only -Wc++11-compat -Wc++20-compat -verify=cxx98 %s
  19
  20 #define IS_KEYWORD(NAME) _Static_assert(!__is_identifier(NAME), #NAME)
  21 #define NOT_KEYWORD(NAME) _Static_assert(__is_identifier(NAME), #NAME)
  22 #define IS_TYPE(NAME) void is_##NAME##_type() { int f(NAME); }
  23
  24 #if defined(CXX20)
  25 #define CXX20_KEYWORD(NAME)  IS_KEYWORD(NAME)
  26 #else
  27 #define CXX20_KEYWORD(NAME)  NOT_KEYWORD(NAME)
  28 #endif
  29
  30 #ifdef DECLSPEC
  31 #define DECLSPEC_KEYWORD(NAME)  IS_KEYWORD(NAME)
  32 #else
  33 #define DECLSPEC_KEYWORD(NAME)  NOT_KEYWORD(NAME)
  34 #endif
  35
  36 #ifdef CXX11
  37 #define CXX11_KEYWORD(NAME)  IS_KEYWORD(NAME)
  38 #define CXX11_TYPE(NAME)     IS_TYPE(NAME)
  39 #else
  40 #define CXX11_KEYWORD(NAME)  NOT_KEYWORD(NAME)
  41 #define CXX11_TYPE(NAME)
  42 #endif
  43
  44 // C++11 keywords
  45 CXX11_KEYWORD(nullptr);
  46 CXX11_KEYWORD(decltype);
  47 CXX11_KEYWORD(alignof);
  48 CXX11_KEYWORD(alignas);
  49 CXX11_KEYWORD(char16_t);
  50 CXX11_TYPE(char16_t);
  51 CXX11_KEYWORD(char32_t);
  52 CXX11_TYPE(char32_t);
  53 CXX11_KEYWORD(constexpr);
  54 CXX11_KEYWORD(noexcept);
  55
  56 #ifndef MS
  57 CXX11_KEYWORD(static_assert);
  58 #else
  59 // MS compiler recognizes static_assert in all modes. So should we.
  60 IS_KEYWORD(static_assert);
  61 #endif
  62
  63 CXX11_KEYWORD(thread_local);
  64
  65 // Concepts keywords
  66 CXX20_KEYWORD(concept);
  67 CXX20_KEYWORD(requires);
  68 CXX20_KEYWORD(consteval);
  69 CXX20_KEYWORD(constinit);
  70 CXX20_KEYWORD(co_await);
  71 CXX20_KEYWORD(co_return);
  72 CXX20_KEYWORD(co_yield);
  73
  74 // __declspec extension
  75 DECLSPEC_KEYWORD(__declspec);
  76
  77 // Clang extension
  78 IS_KEYWORD(__char16_t);
  79 IS_TYPE(__char16_t);
  80 IS_KEYWORD(__char32_t);
  81 IS_TYPE(__char32_t);
  82
  83 #ifdef FutureKeyword
  84
  85 int nullptr; // cxx98-warning {{'nullptr' is a keyword in C++11}}
  86 int decltype;  // cxx98-warning {{'decltype' is a keyword in C++11}}
  87 int alignof;  // cxx98-warning {{'alignof' is a keyword in C++11}}
  88 int alignas;  // cxx98-warning {{'alignas' is a keyword in C++11}}
  89 int char16_t;  // cxx98-warning {{'char16_t' is a keyword in C++11}}
  90 int char32_t;  // cxx98-warning {{'char32_t' is a keyword in C++11}}
  91 int constexpr;  // cxx98-warning {{'constexpr' is a keyword in C++11}}
  92 int noexcept;  // cxx98-warning {{'noexcept' is a keyword in C++11}}
  93 int static_assert; // cxx98-warning {{'static_assert' is a keyword in C++11}}
  94 char thread_local; // cxx98-warning {{'thread_local' is a keyword in C++11}}
  95
  96 int co_await; // cxx98-warning {{'co_await' is a keyword in C++20}}
  97 char co_return; // cxx98-warning {{'co_return' is a keyword in C++20}}
  98 char co_yield; // cxx98-warning {{'co_yield' is a keyword in C++20}}
  99 int constinit; // cxx98-warning {{'constinit' is a keyword in C++20}}
 100 int consteval; // cxx98-warning {{'consteval' is a keyword in C++20}}
 101 int requires; // cxx98-warning {{'requires' is a keyword in C++20}}
 102 int concept; // cxx98-warning {{'concept' is a keyword in C++20}}
 103
 104 #endif