1 // RUN: %clang_cc1 -fsyntax-only -std=c++98 -verify -fblocks %s
2 namespace A {
3 struct C {
4 static int cx;
5
6 static int cx2;
7
8 static int Ag1();
9 static int Ag2();
10 };
11 int ax; // expected-note {{'ax' declared here}}
12 void Af();
13 }
14
15 A:: ; // expected-error {{expected unqualified-id}}
16 ::A::ax::undef ex3; // expected-error {{'ax' is not a class, namespace, or scoped enumeration}}
17 A::undef1::undef2 ex4; // expected-error {{no member named 'undef1'}}
18
Ag1()19 int A::C::Ag1() { return 0; }
20
Ag2()21 static int A::C::Ag2() { return 0; } // expected-error{{'static' can}}
22
23 int A::C::cx = 17;
24
25
26 static int A::C::cx2 = 17; // expected-error{{'static' can}}
27
28 class C2 {
29 void m(); // expected-note{{member declaration does not match because it is not const qualified}}
30
31 void f(const int& parm); // expected-note{{type of 1st parameter of member declaration does not match definition ('const int &' vs 'int')}}
32 void f(int) const; // expected-note{{member declaration does not match because it is const qualified}}
33 void f(float);
34
35 int x;
36 };
37
m() const38 void C2::m() const { } // expected-error{{out-of-line definition of 'm' does not match any declaration in 'C2'}}
39
f(int)40 void C2::f(int) { } // expected-error{{out-of-line definition of 'f' does not match any declaration in 'C2'}}
41
m()42 void C2::m() {
43 x = 0;
44 }
45
46 namespace B {
Af()47 void ::A::Af() {} // expected-error {{cannot define or redeclare 'Af' here because namespace 'B' does not enclose namespace 'A'}}
48 }
49
f1()50 void f1() {
51 void A::Af(); // expected-error {{definition or redeclaration of 'Af' not allowed inside a function}}
52 void (^x)() = ^{ void A::Af(); }; // expected-error {{definition or redeclaration of 'Af' not allowed inside a block}}
53 }
54
f2()55 void f2() {
56 A:: ; // expected-error {{expected unqualified-id}}
57 A::C::undef = 0; // expected-error {{no member named 'undef'}}
58 ::A::C::cx = 0;
59 int x = ::A::ax = A::C::cx;
60 x = sizeof(A::C);
61 x = sizeof(::A::C::cx);
62 }
63
64 A::C c1;
65 struct A::C c2;
66 struct S : public A::C {};
67 struct A::undef; // expected-error {{no struct named 'undef' in namespace 'A'}}
68
69 namespace A2 {
70 typedef int INT;
71 struct RC;
72 struct CC {
73 struct NC;
74 };
75 }
76
77 struct A2::RC {
78 INT x;
79 };
80
81 struct A2::CC::NC {
mA2::CC::NC82 void m() {}
83 };
84
f3()85 void f3() {
86 N::x = 0; // expected-error {{use of undeclared identifier 'N'}}
87 // FIXME: Consider including the kind of entity that 'N' is ("variable 'N'
88 // declared here", "template 'X' declared here", etc) to help explain what it
89 // is if it's 'not a class, namespace, or scoped enumeration'.
90 int N; // expected-note {{'N' declared here}}
91 N::x = 0; // expected-error {{'N' is not a class, namespace, or scoped enumeration}}
92 { int A; A::ax = 0; }
93 { typedef int A; A::ax = 0; } // expected-error{{'A' (aka 'int') is not a class, namespace, or scoped enumeration}}
94 { typedef A::C A; A::ax = 0; } // expected-error {{no member named 'ax'}}
95 { typedef A::C A; A::cx = 0; }
96 }
97
98 // make sure the following doesn't hit any asserts
99 void f4(undef::C); // expected-error {{use of undeclared identifier 'undef'}}
100
101 typedef void C2::f5(int); // expected-error{{typedef declarator cannot be qualified}}
102
103 void f6(int A2::RC::x); // expected-error{{parameter declarator cannot be qualified}}
104
105 int A2::RC::x; // expected-error{{non-static data member defined out-of-line}}
106
107 void A2::CC::NC::m(); // expected-error{{out-of-line declaration of a member must be a definition}}
108
109
110 namespace E {
111 int X = 5;
112
113 namespace Nested {
114 enum E {
115 X = 0
116 };
117
f()118 void f() {
119 return E::X; // expected-error{{'E::Nested::E' is not a class, namespace, or scoped enumeration}}
120 }
121 }
122 }
123
124
125 class Operators {
126 Operators operator+(const Operators&) const; // expected-note{{member declaration does not match because it is const qualified}}
127 operator bool();
128 };
129
operator +(const Operators &)130 Operators Operators::operator+(const Operators&) { // expected-error{{out-of-line definition of 'operator+' does not match any declaration in 'Operators'}}
131 Operators ops;
132 return ops;
133 }
134
operator +(const Operators &) const135 Operators Operators::operator+(const Operators&) const {
136 Operators ops;
137 return ops;
138 }
139
operator bool()140 Operators::operator bool() {
141 return true;
142 }
143
144 namespace A {
145 void g(int&); // expected-note{{type of 1st parameter of member declaration does not match definition ('int &' vs 'const int &')}}
146 }
147
f()148 void A::f() {} // expected-error-re{{out-of-line definition of 'f' does not match any declaration in namespace 'A'{{$}}}}
149
g(const int &)150 void A::g(const int&) { } // expected-error{{out-of-line definition of 'g' does not match any declaration in namespace 'A'}}
151
152 struct Struct { };
153
f()154 void Struct::f() { } // expected-error{{out-of-line definition of 'f' does not match any declaration in 'Struct'}}
155
156 void global_func(int);
157 void global_func2(int);
158
159 namespace N {
global_func(int)160 void ::global_func(int) { } // expected-error{{definition or redeclaration of 'global_func' cannot name the global scope}}
161
162 void f();
163 // FIXME: if we move this to a separate definition of N, things break!
164 }
global_func2(int)165 void ::global_func2(int) { } // expected-warning{{extra qualification on member 'global_func2'}}
166
f()167 void N::f() { } // okay
168
169 struct Y; // expected-note{{forward declaration of 'Y'}}
170 Y::foo y; // expected-error{{incomplete type 'Y' named in nested name specifier}}
171
X()172 X::X() : a(5) { } // expected-error{{use of undeclared identifier 'X'}}
173
174 struct foo_S {
175 static bool value;
176 };
177 bool (foo_S::value);
178
179
180 namespace somens {
181 struct a { }; // expected-note{{candidate constructor (the implicit copy constructor)}}
182 }
183
184 template <typename T>
185 class foo {
186 };
187
188
189 // PR4452 / PR4451
190 foo<somens:a> a2; // expected-error {{unexpected ':' in nested name specifier}}
191
192 somens::a a3 = a2; // expected-error {{no viable conversion}}
193
194 // typedefs and using declarations.
195 namespace test1 {
196 namespace ns {
197 class Counter { public: static int count; };
198 typedef Counter counter;
199 }
200 using ns::counter;
201
202 class Test {
test1()203 void test1() {
204 counter c;
205 c.count++;
206 counter::count++;
207 }
208 };
209 }
210
211 // We still need to do lookup in the lexical scope, even if we push a
212 // non-lexical scope.
213 namespace test2 {
214 namespace ns {
215 extern int *count_ptr;
216 }
217 namespace {
218 int count = 0;
219 }
220
221 int *ns::count_ptr = &count;
222 }
223
224 // PR6259, invalid case
225 namespace test3 {
226 class A; // expected-note {{forward declaration}}
foo(const char * path)227 void foo(const char *path) {
228 A::execute(path); // expected-error {{incomplete type 'test3::A' named in nested name specifier}}
229 }
230 }
231
232 namespace PR7133 {
233 namespace A {
234 class Foo;
235 }
236
237 namespace A {
238 namespace B {
239 bool foo(Foo &);
240 }
241 }
242
foo(Foo &)243 bool A::B::foo(Foo &) {
244 return false;
245 }
246 }
247
248 class CLASS {
249 void CLASS::foo2(); // expected-error {{extra qualification on member 'foo2'}}
250 };
251
252 namespace PR8159 {
253 class B { };
254
255 class A {
256 int A::a; // expected-error{{extra qualification on member 'a'}}
257 static int A::b; // expected-error{{extra qualification on member 'b'}}
258 int ::c; // expected-error{{non-friend class member 'c' cannot have a qualified name}}
259 };
260 }
261
262 namespace rdar7980179 {
263 class A { void f0(); }; // expected-note {{previous}}
f0()264 int A::f0() {} // expected-error {{return type of out-of-line definition of 'rdar7980179::A::f0' differs}}
265 }
266
267 namespace alias = A;
268 double *dp = (alias::C*)0; // expected-error{{cannot initialize a variable of type 'double *' with an rvalue of type 'alias::C *'}}
269
270 // http://llvm.org/PR10109
271 namespace PR10109 {
272 template<typename T>
273 struct A {
274 protected:
275 struct B;
276 struct B::C; // expected-error {{requires a template parameter list}} \
277 // expected-error {{no struct named 'C'}} \
278 // expected-error{{non-friend class member 'C' cannot have a qualified name}}
279 };
280
281 template<typename T>
282 struct A2 {
283 protected:
284 struct B;
285 };
286 template <typename T>
287 struct A2<T>::B::C; // expected-error {{no struct named 'C'}}
288 }
289
290 namespace PR13033 {
291 namespace NS {
292 int a; // expected-note {{'NS::a' declared here}}
293 int longer_b; //expected-note {{'NS::longer_b' declared here}}
294 }
295
296 // Suggest adding a namespace qualifier to both variable names even though one
297 // is only a single character long.
298 int foobar = a + longer_b; // expected-error {{use of undeclared identifier 'a'; did you mean 'NS::a'?}} \
299 // expected-error {{use of undeclared identifier 'longer_b'; did you mean 'NS::longer_b'?}}
300 }
301
302 // <rdar://problem/13853540>
303 namespace N {
304 struct X { };
305 namespace N {
306 struct Foo {
307 struct N::X *foo(); // expected-error{{no struct named 'X' in namespace 'N::N'}}
308 };
309 }
310 }
311
312 namespace TypedefNamespace { typedef int F; };
313 TypedefNamespace::F::NonexistentName BadNNSWithCXXScopeSpec; // expected-error {{'F' (aka 'int') is not a class, namespace, or scoped enumeration}}
314
315 namespace PR18587 {
316
317 struct C1 {
318 int a, b, c;
319 typedef int C2;
320 struct B1 {
321 struct B2 {
322 int a, b, c;
323 };
324 };
325 };
326 struct C2 { static const unsigned N1 = 1; };
327 struct B1 {
328 enum E1 { B2 = 2 };
329 static const int B3 = 3;
330 };
331 const int N1 = 2;
332
333 // Function declarators
334 struct S1a { int f(C1::C2); };
335 struct S1b { int f(C1:C2); }; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
336
337 struct S2a {
338 C1::C2 f(C1::C2);
339 };
340 struct S2c {
341 C1::C2 f(C1:C2); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
342 };
343
344 struct S3a {
345 int f(C1::C2), C2 : N1;
346 int g : B1::B2;
347 };
348 struct S3b {
349 int g : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
350 };
351
352 // Inside square brackets
353 struct S4a {
354 int f[C2::N1];
355 };
356 struct S4b {
357 int f[C2:N1]; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
358 };
359
360 struct S5a {
361 int f(int xx[B1::B3 ? C2::N1 : B1::B2]);
362 };
363 struct S5b {
364 int f(int xx[B1::B3 ? C2::N1 : B1:B2]); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
365 };
366 struct S5c {
367 int f(int xx[B1:B3 ? C2::N1 : B1::B2]); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
368 };
369
370 // Bit fields
371 struct S6a {
372 C1::C2 m1 : B1::B2;
373 };
374 struct S6c {
375 C1::C2 m1 : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
376 };
377 struct S6d {
378 int C2:N1;
379 };
380 struct S6e {
381 static const int N = 3;
382 B1::E1 : N;
383 };
384 struct S6g {
385 C1::C2 : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
386 B1::E1 : B1:B2; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
387 };
388
389 // Template parameters
390 template <int N> struct T1 {
391 int a,b,c;
392 static const unsigned N1 = N;
393 typedef unsigned C1;
394 };
395 T1<C2::N1> var_1a;
396 T1<C2:N1> var_1b; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
F()397 template<int N> int F() {}
398 int (*X1)() = (B1::B2 ? F<1> : F<2>);
399 int (*X2)() = (B1:B2 ? F<1> : F<2>); // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
400
401 // Bit fields + templates
402 struct S7a {
403 T1<B1::B2>::C1 m1 : T1<B1::B2>::N1;
404 };
405 struct S7b {
406 T1<B1:B2>::C1 m1 : T1<B1::B2>::N1; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
407 };
408 struct S7c {
409 T1<B1::B2>::C1 m1 : T1<B1:B2>::N1; // expected-error{{unexpected ':' in nested name specifier; did you mean '::'?}}
410 };
411
412 }
413