1 | // RUN: %clang_cc1 -verify -fsyntax-only -triple i386-linux -Wredundant-parens -pedantic-errors -fcxx-exceptions -fexceptions %s |
2 | // RUN: %clang_cc1 -verify -fsyntax-only -triple i386-linux -Wredundant-parens -pedantic-errors -fcxx-exceptions -fexceptions -std=c++98 %s |
3 | // RUN: %clang_cc1 -verify -fsyntax-only -triple i386-linux -Wredundant-parens -pedantic-errors -fcxx-exceptions -fexceptions -std=c++11 %s |
4 | |
5 | const char const *x10; // expected-error {{duplicate 'const' declaration specifier}} |
6 | |
7 | int x(*g); // expected-error {{use of undeclared identifier 'g'}} |
8 | |
9 | struct Type { |
10 | int Type; |
11 | }; |
12 | |
13 | // rdar://8365458 |
14 | // rdar://9132143 |
15 | typedef char bool; // expected-error {{redeclaration of C++ built-in type 'bool'}} |
16 | |
17 | // PR4451 - We should recover well from the typo of '::' as ':' in a2. |
18 | namespace y { |
19 | struct a { }; |
20 | typedef int b; |
21 | } |
22 | |
23 | y::a a1; |
24 | y:a a2; // expected-error {{unexpected ':' in nested name specifier}} |
25 | y::a a3 = a2; |
26 | |
27 | // Some valid colons: |
28 | void foo() { |
29 | y: // label |
30 | y::a s; |
31 | |
32 | int a = 4; |
33 | a = a ? a : a+1; |
34 | } |
35 | |
36 | struct b : y::a {}; |
37 | |
38 | template <typename T> |
39 | class someclass { |
40 | |
41 | int bar() { |
42 | T *P; |
43 | return 1 ? P->x : P->y; |
44 | } |
45 | }; |
46 | |
47 | class asm_class_test { |
48 | void foo() __asm__("baz"); |
49 | }; |
50 | |
51 | enum { fooenum = 1, }; |
52 | #if __cplusplus <= 199711L |
53 | // expected-error@-2 {{commas at the end of enumerator lists are a C++11 extension}} |
54 | #endif |
55 | |
56 | struct a { |
57 | int Type : fooenum; |
58 | }; |
59 | |
60 | void test(struct Type *P) { |
61 | int Type; |
62 | Type = 1 ? P->Type : Type; |
63 | |
64 | Type = (y:b) 4; // expected-error {{unexpected ':' in nested name specifier}} |
65 | Type = 1 ? ( |
66 | (y:b) // expected-error {{unexpected ':' in nested name specifier}} |
67 | 4) : 5; |
68 | } |
69 | |
70 | struct test4 { |
71 | int x // expected-error {{expected ';' at end of declaration list}} |
72 | int y; |
73 | int z // expected-error {{expected ';' at end of declaration list}} |
74 | }; |
75 | |
76 | // Make sure we know these are legitimate commas and not typos for ';'. |
77 | namespace Commas { |
78 | struct S { |
79 | static int a; |
80 | int c, |
81 | operator()(); |
82 | }; |
83 | |
84 | int global1, |
85 | __attribute__(()) global2, |
86 | (global5), // expected-warning {{redundant parentheses surrounding declarator}} |
87 | *global6, |
88 | &global7 = global1, |
89 | &&global8 = static_cast<int&&>(global1), |
90 | #if __cplusplus <= 199711L |
91 | // expected-error@-2 2{{rvalue references are a C++11 extension}} |
92 | #endif |
93 | |
94 | S::a, |
95 | global9, |
96 | global10 = 0, |
97 | global11 == 0, // expected-error {{did you mean '='}} |
98 | global12 __attribute__(()), |
99 | global13(0), |
100 | global14[2], |
101 | global15; |
102 | |
103 | void g() { |
104 | static int a, |
105 | b __asm__("ebx"), // expected-error {{expected ';' at end of declaration}} |
106 | Statics:return; |
107 | } |
108 | } |
109 | |
110 | // PR5825 |
111 | struct test5 {}; |
112 | ::new(static_cast<void*>(0)) test5; // expected-error {{expected unqualified-id}} |
113 | |
114 | |
115 | // PR6782 |
116 | template<class T> |
117 | class Class1; |
118 | |
119 | class Class2 { |
120 | } // expected-error {{expected ';' after class}} |
121 | |
122 | typedef Class1<Class2> Type1; |
123 | |
124 | // rdar : // 8307865 |
125 | struct CodeCompleteConsumer { |
126 | }; |
127 | |
128 | void CodeCompleteConsumer::() { // expected-error {{xpected unqualified-id}} |
129 | } |
130 | |
131 | ; |
132 | |
133 | // PR4111 |
134 | void f(sqrgl); // expected-error {{unknown type name 'sqrgl'}} |
135 | |
136 | // PR9903 |
137 | struct S { |
138 | typedef void a() { }; // expected-error {{function definition declared 'typedef'}} |
139 | typedef void c() try { } catch(...) { } // expected-error {{function definition declared 'typedef'}} |
140 | int n, m; |
141 | typedef S() : n(1), m(2) { } // expected-error {{function definition declared 'typedef'}} |
142 | }; |
143 | |
144 | |
145 | namespace TestIsValidAfterTypeSpecifier { |
146 | struct s {} v; |
147 | |
148 | namespace a { |
149 | struct s operator++(struct s a) |
150 | { return a; } |
151 | } |
152 | |
153 | namespace b { |
154 | // The newline after s should make no difference. |
155 | struct s |
156 | operator++(struct s a) |
157 | { return a; } |
158 | } |
159 | |
160 | struct X { |
161 | struct s |
162 | friend f(); |
163 | struct s |
164 | virtual f(); |
165 | }; |
166 | |
167 | struct s |
168 | &r0 = v; |
169 | struct s |
170 | bitand r2 = v; |
171 | |
172 | } |
173 | |
174 | struct DIE { |
175 | void foo() {} |
176 | }; |
177 | |
178 | void test (DIE die, DIE *Die, DIE INT, DIE *FLOAT) { |
179 | DIE.foo(); // expected-error {{cannot use dot operator on a type}} |
180 | die.foo(); |
181 | |
182 | DIE->foo(); // expected-error {{cannot use arrow operator on a type}} |
183 | Die->foo(); |
184 | |
185 | int.foo(); // expected-error {{cannot use dot operator on a type}} |
186 | INT.foo(); |
187 | |
188 | float->foo(); // expected-error {{cannot use arrow operator on a type}} |
189 | FLOAT->foo(); |
190 | } |
191 | |
192 | namespace PR15017 { |
193 | template<typename T = struct X { int i; }> struct S {}; // expected-error {{'PR15017::X' cannot be defined in a type specifier}} |
194 | } |
195 | |
196 | // Ensure we produce at least some diagnostic for attributes in C++98. |
197 | [[]] struct S; |
198 | #if __cplusplus <= 199711L |
199 | // expected-error@-2 {{expected expression}} |
200 | // expected-error@-3 {{expected unqualified-id}} |
201 | #else |
202 | // expected-error@-5 {{misplaced attributes}} |
203 | #endif |
204 | |
205 | namespace test7 { |
206 | struct Foo { |
207 | void a(); |
208 | void b(); |
209 | }; |
210 | |
211 | void Foo:: |
212 | // Comment! |
213 | a() {} |
214 | |
215 | |
216 | void Foo:: // expected-error {{expected unqualified-id}} |
217 | // Comment! |
218 | } |
219 | |
220 | void test8() { |
221 | struct {} o; |
222 | // This used to crash. |
223 | (&o)->(); // expected-error{{expected unqualified-id}} |
224 | } |
225 | |
226 | namespace PR5066 { |
227 | template<typename T> struct X {}; |
228 | X<int N> x; // expected-error {{type-id cannot have a name}} |
229 | |
230 | using T = int (*T)(); // expected-error {{type-id cannot have a name}} |
231 | #if __cplusplus <= 199711L |
232 | // expected-error@-2 {{alias declarations are a C++11 extensio}} |
233 | #endif |
234 | |
235 | } |
236 | |
237 | namespace PR17255 { |
238 | void foo() { |
239 | typename A::template B<>; // expected-error {{use of undeclared identifier 'A'}} |
240 | // expected-error@-1 {{'template' keyword not permitted here}} |
241 | #if __cplusplus <= 199711L |
242 | // expected-error@-3 {{'template' keyword outside of a template}} |
243 | #endif |
244 | // expected-error@-5 {{expected a qualified name after 'typename'}} |
245 | } |
246 | } |
247 | |
248 | namespace PR17567 { |
249 | struct Foobar { // expected-note 2{{declared here}} |
250 | FooBar(); // expected-error {{missing return type for function 'FooBar'; did you mean the constructor name 'Foobar'?}} |
251 | ~FooBar(); // expected-error {{expected the class name after '~' to name a destructor}} |
252 | }; |
253 | FooBar::FooBar() {} // expected-error {{undeclared}} expected-error {{missing return type}} |
254 | FooBar::~FooBar() {} // expected-error {{undeclared}} expected-error {{expected the class name}} |
255 | } |
256 | |
257 | namespace DuplicateFriend { |
258 | struct A { |
259 | friend void friend f(); // expected-warning {{duplicate 'friend' declaration specifier}} |
260 | friend struct B friend; // expected-warning {{duplicate 'friend' declaration specifier}} |
261 | #if __cplusplus >= 201103L |
262 | // expected-error@-2 {{'friend' must appear first in a non-function declaration}} |
263 | #endif |
264 | }; |
265 | } |
266 | |
267 | namespace NNS { |
268 | struct A {}; |
269 | namespace B { extern A C1, C2, *C3, C4[], C5; } |
270 | // Do not produce a redundant parentheses warning here; removing these parens |
271 | // changes the meaning of the program. |
272 | A (::NNS::B::C1); |
273 | A (NNS::B::C2); // expected-warning {{redundant parentheses surrounding declarator}} |
274 | A (*::NNS::B::C3); // expected-warning {{redundant parentheses surrounding declarator}} |
275 | A (::NNS::B::C4[2]); |
276 | // Removing one of these sets of parentheses would be reasonable. |
277 | A ((::NNS::B::C5)); // expected-warning {{redundant parentheses surrounding declarator}} |
278 | |
279 | void f() { |
280 | // FIXME: A vexing-parse warning here would be useful. |
281 | A(::NNS::B::C1); // expected-error {{definition or redeclaration}} |
282 | A(NNS::B::C1); // expected-warning {{redundant paren}} expected-error {{definition or redeclaration}} |
283 | } |
284 | } |
285 | |
286 | inline namespace ParensAroundFriend { // expected-error 0-1{{C++11}} |
287 | struct A {}; |
288 | struct B { |
289 | static A C(); |
290 | }; |
291 | namespace X { |
292 | struct B {}; |
293 | struct D { |
294 | // No warning here: while this could be written as |
295 | // friend (::B::C)(); |
296 | // we do need parentheses *somewhere* here. |
297 | friend A (::B::C()); |
298 | }; |
299 | } |
300 | } |
301 | |
302 | namespace rdar37099386 { |
303 | class A typename A; // expected-error {{expected a qualified name after 'typename'}} |
304 | // expected-error@-1 {{cannot combine with previous 'class' declaration specifier}} |
305 | } |
306 | |
307 | // PR8380 |
308 | extern "" // expected-error {{unknown linkage language}} |
309 | test6a { ;// expected-error {{C++ requires a type specifier for all declarations}} |
310 | #if __cplusplus <= 199711L |
311 | // expected-error@-2 {{expected ';' after top level declarator}} |
312 | #else |
313 | // expected-error@-4 {{expected expression}} |
314 | // expected-note@-5 {{to match this}} |
315 | #endif |
316 | |
317 | int test6b; |
318 | #if __cplusplus >= 201103L |
319 | // expected-error@+3 {{expected}} |
320 | // expected-error@-3 {{expected ';' after top level declarator}} |
321 | #endif |
322 | |
323 | |