| 1 | // RUN: %clang_cc1 -verify -fsyntax-only -std=c++11 -pedantic-errors -triple x86_64-linux-gnu %s |
| 2 | |
| 3 | // Make sure we know these are legitimate commas and not typos for ';'. |
| 4 | namespace Commas { |
| 5 | int a, |
| 6 | b [[ ]], |
| 7 | c alignas(double); |
| 8 | } |
| 9 | |
| 10 | struct S {}; |
| 11 | enum E { e, }; |
| 12 | |
| 13 | auto f() -> struct S { |
| 14 | return S(); |
| 15 | } |
| 16 | auto g() -> enum E { |
| 17 | return E(); |
| 18 | } |
| 19 | |
| 20 | int decltype(f())::*ptr_mem_decltype; |
| 21 | |
| 22 | class ExtraSemiAfterMemFn { |
| 23 | // Due to a peculiarity in the C++11 grammar, a deleted or defaulted function |
| 24 | // is permitted to be followed by either one or two semicolons. |
| 25 | void f() = delete // expected-error {{expected ';' after delete}} |
| 26 | void g() = delete; // ok |
| 27 | void h() = delete;; // ok |
| 28 | void i() = delete;;; // expected-error {{extra ';' after member function definition}} |
| 29 | }; |
| 30 | |
| 31 | int *const const p = 0; // expected-error {{duplicate 'const' declaration specifier}} |
| 32 | const const int *q = 0; // expected-error {{duplicate 'const' declaration specifier}} |
| 33 | |
| 34 | struct MultiCV { |
| 35 | void f() const const; // expected-error {{duplicate 'const' declaration specifier}} |
| 36 | }; |
| 37 | |
| 38 | static_assert(something, ""); // expected-error {{undeclared identifier}} |
| 39 | |
| 40 | // PR9903 |
| 41 | struct SS { |
| 42 | typedef void d() = default; // expected-error {{function definition declared 'typedef'}} expected-error {{only special member functions may be defaulted}} |
| 43 | }; |
| 44 | |
| 45 | using PR14855 = int S::; // expected-error {{expected ';' after alias declaration}} |
| 46 | |
| 47 | // Ensure that 'this' has a const-qualified type in a trailing return type for |
| 48 | // a constexpr function. |
| 49 | struct ConstexprTrailingReturn { |
| 50 | int n; |
| 51 | constexpr auto f() const -> decltype((n)); |
| 52 | }; |
| 53 | constexpr const int &ConstexprTrailingReturn::f() const { return n; } |
| 54 | |
| 55 | namespace TestIsValidAfterTypeSpecifier { |
| 56 | struct s {} v; |
| 57 | |
| 58 | struct s |
| 59 | thread_local tl; |
| 60 | |
| 61 | struct s |
| 62 | &r0 = v; |
| 63 | |
| 64 | struct s |
| 65 | &&r1 = s(); |
| 66 | |
| 67 | struct s |
| 68 | bitand r2 = v; |
| 69 | |
| 70 | struct s |
| 71 | and r3 = s(); |
| 72 | |
| 73 | enum E {}; |
| 74 | enum E |
| 75 | [[]] e; |
| 76 | |
| 77 | } |
| 78 | |
| 79 | namespace PR5066 { |
| 80 | using T = int (*f)(); // expected-error {{type-id cannot have a name}} |
| 81 | template<typename T> using U = int (*f)(); // expected-error {{type-id cannot have a name}} |
| 82 | auto f() -> int (*f)(); // expected-error {{only variables can be initialized}} expected-error {{expected ';'}} |
| 83 | auto g = []() -> int (*f)() {}; // expected-error {{type-id cannot have a name}} |
| 84 | } |
| 85 | |
| 86 | namespace FinalOverride { |
| 87 | struct Base { |
| 88 | virtual void *f(); |
| 89 | virtual void *g(); |
| 90 | virtual void *h(); |
| 91 | virtual void *i(); |
| 92 | }; |
| 93 | struct Derived : Base { |
| 94 | virtual auto f() -> void *final; |
| 95 | virtual auto g() -> void *override; |
| 96 | virtual auto h() -> void *final override; |
| 97 | virtual auto i() -> void *override final; |
| 98 | }; |
| 99 | } |
| 100 | |
| 101 | namespace UsingDeclAttrs { |
| 102 | using T __attribute__((aligned(1))) = int; |
| 103 | using T [[gnu::aligned(1)]] = int; |
| 104 | static_assert(alignof(T) == 1, ""); |
| 105 | |
| 106 | using [[gnu::aligned(1)]] T = int; // expected-error {{an attribute list cannot appear here}} |
| 107 | using T = int [[gnu::aligned(1)]]; // expected-error {{'aligned' attribute cannot be applied to types}} |
| 108 | } |
| 109 | |
| 110 | namespace DuplicateSpecifier { |
| 111 | constexpr constexpr int f(); // expected-warning {{duplicate 'constexpr' declaration specifier}} |
| 112 | constexpr int constexpr a = 0; // expected-warning {{duplicate 'constexpr' declaration specifier}} |
| 113 | |
| 114 | struct A { |
| 115 | friend constexpr int constexpr friend f(); // expected-warning {{duplicate 'friend' declaration specifier}} \ |
| 116 | // expected-warning {{duplicate 'constexpr' declaration specifier}} |
| 117 | friend struct A friend; // expected-warning {{duplicate 'friend'}} expected-error {{'friend' must appear first}} |
| 118 | }; |
| 119 | } |
| 120 | |
| 121 | namespace ColonColonDecltype { |
| 122 | struct S { struct T {}; }; |
| 123 | ::decltype(S())::T invalid; // expected-error {{expected unqualified-id}} |
| 124 | } |
| 125 | |
| 126 | namespace AliasDeclEndLocation { |
| 127 | template<typename T> struct A {}; |
| 128 | // Ensure that we correctly determine the end of this declaration to be the |
| 129 | // end of the annotation token, not the beginning. |
| 130 | using B = AliasDeclEndLocation::A<int |
| 131 | > // expected-error {{expected ';' after alias declaration}} |
| 132 | +; |
| 133 | using C = AliasDeclEndLocation::A<int |
| 134 | >\ |
| 135 | > // expected-error {{expected ';' after alias declaration}} |
| 136 | ; |
| 137 | using D = AliasDeclEndLocation::A<int |
| 138 | > // expected-error {{expected ';' after alias declaration}} |
| 139 | // FIXME: After splitting this >> into two > tokens, we incorrectly determine |
| 140 | // the end of the template-id to be after the *second* '>'. |
| 141 | using E = AliasDeclEndLocation::A<int>>; |
| 142 | #define GGG >>> |
| 143 | using F = AliasDeclEndLocation::A<int GGG; |
| 144 | // expected-error@-1 {{expected ';' after alias declaration}} |
| 145 | B something_else; |
| 146 | } |
| 147 | |
| 148 | struct Base { virtual void f() = 0; virtual void g() = 0; virtual void h() = 0; }; |
| 149 | struct MemberComponentOrder : Base { |
| 150 | void f() override __asm__("foobar") __attribute__(( )) {} |
| 151 | void g() __attribute__(( )) override; |
| 152 | void h() __attribute__(( )) override {} |
| 153 | }; |
| 154 | |
| 155 | void NoMissingSemicolonHere(struct S |
| 156 | [3]); |
| 157 | template<int ...N> void NoMissingSemicolonHereEither(struct S |
| 158 | ... [N]); |
| 159 | |
| 160 | // This must be at the end of the file; we used to look ahead past the EOF token here. |
| 161 | // expected-error@+1 {{expected unqualified-id}} expected-error@+1{{expected ';'}} |
| 162 | using |
| 163 | |