forked from OSchip/llvm-project
84 lines
3.0 KiB
C++
84 lines
3.0 KiB
C++
// RUN: %clang_cc1 -fcxx-exceptions -fexceptions -fsyntax-only -verify -std=c++11 %s
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// Declaration syntax checks
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[[]] int before_attr;
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int [[]] between_attr;
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int after_attr [[]];
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int * [[]] ptr_attr;
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int & [[]] ref_attr = after_attr;
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int && [[]] rref_attr = 0;
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int array_attr [1] [[]];
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alignas(8) int aligned_attr;
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[[test::valid(for 42 [very] **** '+' symbols went on a trip; the end.)]]
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int garbage_attr;
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[[,,,static, class, namespace,, inline, constexpr, mutable,, bi\
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tand, bitor::compl(!.*_ Cx.!U^*R),,,]] int more_garbage_attr;
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[[u8"invalid!"]] int invalid_string_attr; // expected-error {{expected ']'}}
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void fn_attr () [[]];
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void noexcept_fn_attr () noexcept [[]];
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struct MemberFnOrder {
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virtual void f() const volatile && noexcept [[]] final = 0;
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};
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class [[]] class_attr {};
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extern "C++" [[]] int extern_attr;
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template <typename T> [[]] void template_attr ();
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[[]] [[]] int [[]] [[]] multi_attr [[]] [[]];
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int comma_attr [[,]];
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int scope_attr [[foo::]]; // expected-error {{expected identifier}}
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int (paren_attr) [[]]; // expected-error {{an attribute list cannot appear here}}
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unsigned [[]] int attr_in_decl_spec; // expected-error {{expected unqualified-id}}
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class foo {
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void const_after_attr () [[]] const; // expected-error {{expected ';'}}
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};
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extern "C++" [[]] { } // expected-error {{an attribute list cannot appear here}}
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[[]] template <typename T> void before_template_attr (); // expected-error {{an attribute list cannot appear here}}
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[[]] namespace ns { int i; } // expected-error {{an attribute list cannot appear here}} expected-note {{declared here}}
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[[]] static_assert(true, ""); //expected-error {{an attribute list cannot appear here}}
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[[]] asm(""); // expected-error {{an attribute list cannot appear here}}
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[[]] using ns::i; // expected-error {{an attribute list cannot appear here}}
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[[]] using namespace ns;
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// Argument tests
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alignas int aligned_no_params; // expected-error {{expected '('}}
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alignas(i) int aligned_nonconst; // expected-error {{'aligned' attribute requires integer constant}} expected-note {{read of non-const variable 'i'}}
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// Statement tests
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void foo () {
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[[]] ;
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[[]] { }
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[[]] if (0) { }
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[[]] for (;;);
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[[]] do {
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[[]] continue;
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} while (0);
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[[]] while (0);
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[[]] switch (i) {
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[[]] case 0:
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[[]] default:
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[[]] break;
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}
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[[]] goto there;
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[[]] there:
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[[]] try {
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} [[]] catch (...) { // expected-error {{an attribute list cannot appear here}}
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}
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struct S { int arr[2]; } s;
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(void)s.arr[ [] { return 0; }() ]; // expected-error {{C++11 only allows consecutive left square brackets when introducing an attribute}}
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int n = __builtin_offsetof(S, arr[ [] { return 0; }() ]); // expected-error {{C++11 only allows consecutive left square brackets when introducing an attribute}}
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void bar [[noreturn]] ([[]] int i, [[]] int j);
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using FuncType = void ([[]] int);
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void baz([[]]...); // expected-error {{expected parameter declarator}}
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[[]] return;
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}
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template<typename...Ts> void variadic() {
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void bar [[noreturn...]] (); // expected-error {{attribute 'noreturn' cannot be used as an attribute pack}}
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}
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