1 | // RUN: %clang_cc1 -pedantic -Wall -Wno-comment -verify -fcxx-exceptions -x c++ -std=c++98 %s |
2 | // RUN: cp %s %t-98 |
3 | // RUN: not %clang_cc1 -pedantic -Wall -Wno-comment -fcxx-exceptions -fixit -x c++ -std=c++98 %t-98 |
4 | // RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror -Wno-comment -fcxx-exceptions -x c++ -std=c++98 %t-98 |
5 | // RUN: not %clang_cc1 -fsyntax-only -fdiagnostics-parseable-fixits -x c++ -std=c++11 %s 2>&1 | FileCheck %s |
6 | // RUN: %clang_cc1 -pedantic -Wall -Wno-comment -verify -fcxx-exceptions -x c++ -std=c++11 %s |
7 | // RUN: cp %s %t-11 |
8 | // RUN: not %clang_cc1 -pedantic -Wall -Wno-comment -fcxx-exceptions -fixit -x c++ -std=c++11 %t-11 |
9 | // RUN: %clang_cc1 -fsyntax-only -pedantic -Wall -Werror -Wno-comment -fcxx-exceptions -x c++ -std=c++11 %t-11 |
10 | |
11 | /* This is a test of the various code modification hints that are |
12 | provided as part of warning or extension diagnostics. All of the |
13 | warnings will be fixed by -fixit, and the resulting file should |
14 | compile cleanly with -Werror -pedantic. */ |
15 | |
16 | struct C1 { |
17 | virtual void f(); |
18 | static void g(); |
19 | }; |
20 | struct C2 : virtual public virtual C1 { }; // expected-error{{duplicate}} |
21 | |
22 | virtual void C1::f() { } // expected-error{{'virtual' can only be specified inside the class definition}} |
23 | |
24 | static void C1::g() { } // expected-error{{'static' can only be specified inside the class definition}} |
25 | |
26 | template<int Value> struct CT { template<typename> struct Inner; }; // expected-note{{previous use is here}} |
27 | |
28 | // FIXME: In C++11 this gets 'expected unqualified-id' which fixit can't fix. |
29 | // Probably parses as `CT<10> > 2 > ct;` rather than `CT<(10 >> 2)> ct;`. |
30 | #if __cplusplus < 201103L |
31 | CT<10 >> 2> ct; // expected-warning{{require parentheses}} |
32 | #endif |
33 | |
34 | class C3 { |
35 | public: |
36 | C3(C3, int i = 0); // expected-error{{copy constructor must pass its first argument by reference}} |
37 | }; |
38 | |
39 | struct CT<0> { }; // expected-error{{'template<>'}} |
40 | |
41 | template<> union CT<1> { }; // expected-error{{tag type}} |
42 | |
43 | struct CT<2>::Inner<int> { }; // expected-error 2{{'template<>'}} |
44 | |
45 | // Access declarations |
46 | class A { |
47 | protected: |
48 | int foo(); |
49 | }; |
50 | |
51 | class B : public A { |
52 | #if __cplusplus >= 201103L |
53 | A::foo; // expected-error{{ISO C++11 does not allow access declarations}} |
54 | #else |
55 | A::foo; // expected-warning{{access declarations are deprecated}} |
56 | #endif |
57 | }; |
58 | |
59 | void f() throw(); // expected-note{{previous}} |
60 | void f(); // expected-error{{missing exception specification}} |
61 | |
62 | namespace rdar7853795 { |
63 | struct A { |
64 | bool getNumComponents() const; // expected-note{{declared here}} |
65 | void dump() const { |
66 | getNumComponenets(); // expected-error{{use of undeclared identifier 'getNumComponenets'; did you mean 'getNumComponents'?}} |
67 | } |
68 | }; |
69 | } |
70 | |
71 | namespace rdar7796492 { |
72 | struct A { int x, y; A(); }; |
73 | |
74 | A::A() |
75 | : x(1) y(2) { // expected-error{{missing ',' between base or member initializers}} |
76 | } |
77 | |
78 | } |
79 | |
80 | // extra qualification on member |
81 | class C { |
82 | int C::foo(); // expected-error {{extra qualification}} |
83 | }; |
84 | |
85 | namespace rdar8488464 { |
86 | int x = 0; |
87 | int x1 &= 0; // expected-error {{invalid '&=' at end of declaration; did you mean '='?}} |
88 | int x2 *= 0; // expected-error {{invalid '*=' at end of declaration; did you mean '='?}} |
89 | int x3 += 0; // expected-error {{invalid '+=' at end of declaration; did you mean '='?}} |
90 | int x4 -= 0; // expected-error {{invalid '-=' at end of declaration; did you mean '='?}} |
91 | int x5 != 0; // expected-error {{invalid '!=' at end of declaration; did you mean '='?}} |
92 | int x6 /= 0; // expected-error {{invalid '/=' at end of declaration; did you mean '='?}} |
93 | int x7 %= 0; // expected-error {{invalid '%=' at end of declaration; did you mean '='?}} |
94 | int x8 <= 0; // expected-error {{invalid '<=' at end of declaration; did you mean '='?}} |
95 | int x9 <<= 0; // expected-error {{invalid '<<=' at end of declaration; did you mean '='?}} |
96 | int x10 >= 0; // expected-error {{invalid '>=' at end of declaration; did you mean '='?}} |
97 | int x11 >>= 0; // expected-error {{invalid '>>=' at end of declaration; did you mean '='?}} |
98 | int x12 ^= 0; // expected-error {{invalid '^=' at end of declaration; did you mean '='?}} |
99 | int x13 |= 0; // expected-error {{invalid '|=' at end of declaration; did you mean '='?}} |
100 | int x14 == 0; // expected-error {{invalid '==' at end of declaration; did you mean '='?}} |
101 | |
102 | void f() { |
103 | int x = 0; |
104 | (void)x; |
105 | int x1 &= 0; // expected-error {{invalid '&=' at end of declaration; did you mean '='?}} |
106 | (void)x1; |
107 | int x2 *= 0; // expected-error {{invalid '*=' at end of declaration; did you mean '='?}} |
108 | (void)x2; |
109 | int x3 += 0; // expected-error {{invalid '+=' at end of declaration; did you mean '='?}} |
110 | (void)x3; |
111 | int x4 -= 0; // expected-error {{invalid '-=' at end of declaration; did you mean '='?}} |
112 | (void)x4; |
113 | int x5 != 0; // expected-error {{invalid '!=' at end of declaration; did you mean '='?}} |
114 | (void)x5; |
115 | int x6 /= 0; // expected-error {{invalid '/=' at end of declaration; did you mean '='?}} |
116 | (void)x6; |
117 | int x7 %= 0; // expected-error {{invalid '%=' at end of declaration; did you mean '='?}} |
118 | (void)x7; |
119 | int x8 <= 0; // expected-error {{invalid '<=' at end of declaration; did you mean '='?}} |
120 | (void)x8; |
121 | int x9 <<= 0; // expected-error {{invalid '<<=' at end of declaration; did you mean '='?}} |
122 | (void)x9; |
123 | int x10 >= 0; // expected-error {{invalid '>=' at end of declaration; did you mean '='?}} |
124 | (void)x10; |
125 | int x11 >>= 0; // expected-error {{invalid '>>=' at end of declaration; did you mean '='?}} |
126 | (void)x11; |
127 | int x12 ^= 0; // expected-error {{invalid '^=' at end of declaration; did you mean '='?}} |
128 | (void)x12; |
129 | int x13 |= 0; // expected-error {{invalid '|=' at end of declaration; did you mean '='?}} |
130 | (void)x13; |
131 | int x14 == 0; // expected-error {{invalid '==' at end of declaration; did you mean '='?}} |
132 | (void)x14; |
133 | if (int x = 0) { (void)x; } |
134 | if (int x1 &= 0) { (void)x1; } // expected-error {{invalid '&=' at end of declaration; did you mean '='?}} |
135 | if (int x2 *= 0) { (void)x2; } // expected-error {{invalid '*=' at end of declaration; did you mean '='?}} |
136 | if (int x3 += 0) { (void)x3; } // expected-error {{invalid '+=' at end of declaration; did you mean '='?}} |
137 | if (int x4 -= 0) { (void)x4; } // expected-error {{invalid '-=' at end of declaration; did you mean '='?}} |
138 | if (int x5 != 0) { (void)x5; } // expected-error {{invalid '!=' at end of declaration; did you mean '='?}} |
139 | if (int x6 /= 0) { (void)x6; } // expected-error {{invalid '/=' at end of declaration; did you mean '='?}} |
140 | if (int x7 %= 0) { (void)x7; } // expected-error {{invalid '%=' at end of declaration; did you mean '='?}} |
141 | if (int x8 <= 0) { (void)x8; } // expected-error {{invalid '<=' at end of declaration; did you mean '='?}} |
142 | if (int x9 <<= 0) { (void)x9; } // expected-error {{invalid '<<=' at end of declaration; did you mean '='?}} |
143 | if (int x10 >= 0) { (void)x10; } // expected-error {{invalid '>=' at end of declaration; did you mean '='?}} |
144 | if (int x11 >>= 0) { (void)x11; } // expected-error {{invalid '>>=' at end of declaration; did you mean '='?}} |
145 | if (int x12 ^= 0) { (void)x12; } // expected-error {{invalid '^=' at end of declaration; did you mean '='?}} |
146 | if (int x13 |= 0) { (void)x13; } // expected-error {{invalid '|=' at end of declaration; did you mean '='?}} |
147 | if (int x14 == 0) { (void)x14; } // expected-error {{invalid '==' at end of declaration; did you mean '='?}} |
148 | } |
149 | } |
150 | |
151 | template <class A> |
152 | class F1 { |
153 | public: |
154 | template <int B> |
155 | class Iterator { |
156 | }; |
157 | }; |
158 | |
159 | template<class T> |
160 | class F2 { |
161 | typename F1<T>:: /*template*/ Iterator<0> Mypos; // expected-error {{use 'template' keyword to treat 'Iterator' as a dependent template name}} |
162 | }; |
163 | |
164 | template <class T> |
165 | void f(){ |
166 | typename F1<T>:: /*template*/ Iterator<0> Mypos; // expected-error {{use 'template' keyword to treat 'Iterator' as a dependent template name}} |
167 | } |
168 | |
169 | // Tests for &/* fixits radar 7113438. |
170 | class AD {}; |
171 | class BD: public AD {}; |
172 | |
173 | void test (BD &br) { |
174 | AD* aPtr; |
175 | BD b; |
176 | aPtr = b; // expected-error {{assigning to 'AD *' from incompatible type 'BD'; take the address with &}} |
177 | aPtr = br; // expected-error {{assigning to 'AD *' from incompatible type 'BD'; take the address with &}} |
178 | } |
179 | |
180 | void foo1() const {} // expected-error {{non-member function cannot have 'const' qualifier}} |
181 | void foo2() volatile {} // expected-error {{non-member function cannot have 'volatile' qualifier}} |
182 | void foo3() const volatile {} // expected-error {{non-member function cannot have 'const volatile' qualifier}} |
183 | |
184 | struct S { void f(int, char); }; |
185 | int itsAComma, |
186 | itsAComma2 = 0, |
187 | oopsAComma(42), // expected-error {{expected ';' at end of declaration}} |
188 | AD oopsMoreCommas() { |
189 | static int n = 0, // expected-error {{expected ';' at end of declaration}} |
190 | static char c, |
191 | &d = c, // expected-error {{expected ';' at end of declaration}} |
192 | S s, // expected-error {{expected ';' at end of declaration}} |
193 | s.f(n, d); |
194 | AD ad, // expected-error {{expected ';' at end of declaration}} |
195 | return ad; |
196 | } |
197 | struct MoreAccidentalCommas { |
198 | int a : 5, |
199 | b : 7, |
200 | : 4, // expected-error {{expected ';' at end of declaration}} |
201 | char c, // expected-error {{expected ';' at end of declaration}} |
202 | double d, // expected-error {{expected ';' at end of declaration}} |
203 | MoreAccidentalCommas *next, // expected-error {{expected ';' at end of declaration}} |
204 | public: |
205 | int k, // expected-error {{expected ';' at end of declaration}} |
206 | friend void f(MoreAccidentalCommas) {} |
207 | int k2, // expected-error {{expected ';' at end of declaration}} |
208 | virtual void g(), // expected-error {{expected ';' at end of declaration}} |
209 | }; |
210 | |
211 | template<class T> struct Mystery; |
212 | template<class T> typedef Mystery<T>::type getMysteriousThing() { // \ |
213 | expected-error {{function definition declared 'typedef'}} \ |
214 | expected-error {{missing 'typename' prior to dependent}} |
215 | return Mystery<T>::get(); |
216 | } |
217 | |
218 | template<template<typename> Foo, // expected-error {{template template parameter requires 'class' after the parameter list}} |
219 | template<typename> typename Bar, // expected-warning {{template template parameter using 'typename' is a C++17 extension}} |
220 | template<typename> struct Baz> // expected-error {{template template parameter requires 'class' after the parameter list}} |
221 | void func(); |
222 | |
223 | namespace ShadowedTagType { |
224 | class Foo { |
225 | public: |
226 | enum Bar { X, Y }; |
227 | void SetBar(Bar bar); |
228 | Bar Bar(); // expected-note 2 {{enum 'Bar' is hidden by a non-type declaration of 'Bar' here}} |
229 | private: |
230 | Bar bar_; // expected-error {{must use 'enum' tag to refer to type 'Bar' in this scope}} |
231 | }; |
232 | void Foo::SetBar(Bar bar) { bar_ = bar; } // expected-error {{must use 'enum' tag to refer to type 'Bar' in this scope}} |
233 | } |
234 | |
235 | #define NULL __null |
236 | char c = NULL; // expected-warning {{implicit conversion of NULL constant to 'char'}} |
237 | double dbl = NULL; // expected-warning {{implicit conversion of NULL constant to 'double'}} |
238 | |
239 | namespace arrow_suggest { |
240 | |
241 | template <typename T> |
242 | class wrapped_ptr { |
243 | public: |
244 | wrapped_ptr(T* ptr) : ptr_(ptr) {} |
245 | T* operator->() { return ptr_; } |
246 | private: |
247 | T *ptr_; |
248 | }; |
249 | |
250 | class Worker { |
251 | public: |
252 | void DoSomething(); |
253 | }; |
254 | |
255 | void test() { |
256 | wrapped_ptr<Worker> worker(new Worker); |
257 | worker.DoSomething(); // expected-error {{no member named 'DoSomething' in 'arrow_suggest::wrapped_ptr<arrow_suggest::Worker>'; did you mean to use '->' instead of '.'?}} |
258 | } |
259 | |
260 | } // namespace arrow_suggest |
261 | |
262 | // Make sure fixing namespace-qualified identifiers functions properly with |
263 | // namespace-aware typo correction/ |
264 | namespace redecl_typo { |
265 | namespace Foo { |
266 | void BeEvil(); // expected-note {{'BeEvil' declared here}} |
267 | } |
268 | namespace Bar { |
269 | namespace Foo { |
270 | bool isGood(); // expected-note {{'Bar::Foo::isGood' declared here}} |
271 | void beEvil(); |
272 | } |
273 | } |
274 | bool Foo::isGood() { // expected-error {{out-of-line definition of 'isGood' does not match any declaration in namespace 'redecl_typo::Foo'; did you mean 'Bar::Foo::isGood'?}} |
275 | return true; |
276 | } |
277 | void Foo::beEvil() {} // expected-error {{out-of-line definition of 'beEvil' does not match any declaration in namespace 'redecl_typo::Foo'; did you mean 'BeEvil'?}} |
278 | } |
279 | |
280 | // Test behavior when a template-id is ended by a token which starts with '>'. |
281 | namespace greatergreater { |
282 | template<typename T> struct S { S(); S(T); }; |
283 | void f(S<int>=0); // expected-error {{a space is required between a right angle bracket and an equals sign (use '> =')}} |
284 | |
285 | // FIXME: The fix-its here overlap so -fixit mode can't apply the second one. |
286 | //void f(S<S<int>>=S<int>()); |
287 | |
288 | struct Shr { |
289 | template<typename T> Shr(T); |
290 | template<typename T> void operator >>=(T); |
291 | }; |
292 | |
293 | template<template<typename>> struct TemplateTemplateParam; // expected-error {{requires 'class'}} |
294 | |
295 | template<typename T> void t(); |
296 | void g() { |
297 | void (*p)() = &t<int>; |
298 | (void)(&t<int>==p); // expected-error {{use '> ='}} |
299 | (void)(&t<int>>=p); // expected-error {{use '> >'}} |
300 | #if __cplusplus < 201103L |
301 | (void)(&t<S<int>>>=p); // expected-error {{use '> >'}} |
302 | (Shr)&t<S<int>>>>=p; // expected-error {{use '> >'}} |
303 | #endif |
304 | |
305 | // FIXME: We correct this to '&t<int> > >= p;' not '&t<int> >>= p;' |
306 | //(Shr)&t<int>>>=p; |
307 | |
308 | // FIXME: The fix-its here overlap. |
309 | //(void)(&t<S<int>>==p); |
310 | } |
311 | } |
312 | |
313 | class foo { |
314 | static void test() { |
315 | (void)&i; // expected-error{{must explicitly qualify name of member function when taking its address}} |
316 | } |
317 | int i(); |
318 | }; |
319 | |
320 | namespace dtor_fixit { |
321 | class foo { |
322 | ~bar() { } // expected-error {{expected the class name after '~' to name a destructor}} |
323 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:6-[[@LINE-1]]:9}:"foo" |
324 | }; |
325 | |
326 | class bar { |
327 | ~bar(); |
328 | }; |
329 | ~bar::bar() {} // expected-error {{'~' in destructor name should be after nested name specifier}} |
330 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:4}:"" |
331 | // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:9-[[@LINE-2]]:9}:"~" |
332 | } |
333 | |
334 | namespace PR5066 { |
335 | template<typename T> struct X {}; |
336 | X<int *p> x; // expected-error {{type-id cannot have a name}} |
337 | } |
338 | |
339 | namespace PR5898 { |
340 | class A { |
341 | public: |
342 | const char *str(); |
343 | }; |
344 | const char* foo(A &x) |
345 | { |
346 | return x.str.(); // expected-error {{unexpected '.' in function call; perhaps remove the '.'?}} |
347 | } |
348 | bool bar(A x, const char *y) { |
349 | return foo->(x) == y; // expected-error {{unexpected '->' in function call; perhaps remove the '->'?}} |
350 | } |
351 | } |
352 | |
353 | namespace PR15045 { |
354 | class Cl0 { |
355 | public: |
356 | int a; |
357 | }; |
358 | |
359 | int f() { |
360 | Cl0 c; |
361 | return c->a; // expected-error {{member reference type 'PR15045::Cl0' is not a pointer; did you mean to use '.'?}} |
362 | } |
363 | } |
364 | |
365 | namespace curly_after_base_clause { |
366 | struct A { void f(); }; |
367 | struct B : A // expected-error{{expected '{' after base class list}} |
368 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {" |
369 | int i; |
370 | }; |
371 | struct C : A // expected-error{{expected '{' after base class list}} |
372 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {" |
373 | using A::f; |
374 | }; |
375 | struct D : A // expected-error{{expected '{' after base class list}} |
376 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {" |
377 | protected: |
378 | }; |
379 | struct E : A // expected-error{{expected '{' after base class list}} |
380 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {" |
381 | template<typename T> struct inner { }; |
382 | }; |
383 | struct F : A // expected-error{{expected '{' after base class list}} |
384 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {" |
385 | F() { } |
386 | }; |
387 | #if __cplusplus >= 201103L |
388 | struct G : A // expected-error{{expected '{' after base class list}} |
389 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {" |
390 | constexpr G(int) { } |
391 | }; |
392 | struct H : A // expected-error{{expected '{' after base class list}} |
393 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:13-[[@LINE-1]]:13}:" {" |
394 | static_assert(true, ""); |
395 | }; |
396 | #endif |
397 | } |
398 | |
399 | struct conversion_operator { |
400 | conversion_operator::* const operator int(); // expected-error {{put the complete type after 'operator'}} |
401 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:3-[[@LINE-1]]:32}:"" |
402 | // CHECK: fix-it:"{{.*}}":{[[@LINE-2]]:44-[[@LINE-2]]:44}:" conversion_operator::* const" |
403 | }; |
404 | |
405 | struct const_zero_init { |
406 | int a; |
407 | }; |
408 | const const_zero_init czi; // expected-error {{default initialization of an object of const type 'const const_zero_init'}} |
409 | // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:26-[[@LINE-1]]:26}:"{}" |
410 | int use_czi = czi.a; |
411 | |
412 | namespace dotPointerDestructor { |
413 | |
414 | struct Bar { |
415 | ~Bar(); |
416 | }; |
417 | |
418 | void bar(Bar *o) { |
419 | o.~Bar(); // expected-error {{member reference type 'dotPointerDestructor::Bar *' is a pointer; did you mean to use '->'}} |
420 | } // CHECK: fix-it:"{{.*}}":{[[@LINE-1]]:4-[[@LINE-1]]:5}:"->" |
421 | |
422 | } |
423 | |