test/Parser/cxx0x-attributes.cpp

   1 // RUN: %clang_cc1 -fsyntax-only -verify -std=c++0x %s
   2
   3 // Declaration syntax checks
   4 [[]] int before_attr;
   5 int after_attr [[]];
   6 int * [[]] ptr_attr;
   7 int array_attr [1] [[]];
   8 [[align(8)]] int aligned_attr;
   9 [[test::valid(for 42 [very] **** '+' symbols went on a trip; the end.)]]
  10   int garbage_attr;
  11 void fn_attr () [[]];
  12 class [[]] class_attr {};
  13 extern "C++" [[]] int extern_attr;
  14 template <typename T> [[]] void template_attr ();
  15
  16 int comma_attr [[,]]; // expected-error {{expected identifier}}
  17 int scope_attr [[foo::]]; // expected-error {{expected identifier}}
  18 int & [[]] ref_attr = after_attr; // expected-error {{an attribute list cannot appear here}}
  19 class foo {
  20   void after_const_attr () const [[]]; // expected-error {{expected expression}}
  21 };
  22 extern "C++" [[]] { } // expected-error {{an attribute list cannot appear here}}
  23 [[]] template <typename T> void before_template_attr (); // expected-error {{an attribute list cannot appear here}}
  24 [[]] namespace ns { int i; } // expected-error {{an attribute list cannot appear here}}
  25 [[]] static_assert(true, ""); //expected-error {{an attribute list cannot appear here}}
  26 [[]] asm(""); // expected-error {{an attribute list cannot appear here}}
  27
  28 [[]] using ns::i; // expected-error {{an attribute list cannot appear here}}
  29 [[]] using namespace ns;
  30
  31 // Argument tests
  32 [[align]] int aligned_no_params; // expected-error {{C++0x attribute 'align' must have an argument list}}
  33 [[align(i)]] int aligned_nonconst; // expected-error {{'aligned' attribute requires integer constant}}
  34
  35 // Statement tests
  36 void foo () {
  37   [[]] ;
  38   [[]] { }
  39   [[]] if (0) { }
  40   [[]] for (;;);
  41   [[]] do {
  42     [[]] continue;
  43   } while (0);
  44   [[]] while (0);
  45
  46   [[]] switch (i) {
  47     [[]] case 0:
  48     [[]] default:
  49       [[]] break;
  50   }
  51
  52   [[]] goto there;
  53   [[]] there:
  54
  55   [[]] try {
  56   } [[]] catch (...) { // expected-error {{an attribute list cannot appear here}}
  57   }
  58
  59   [[]] return;
  60 }