warn-documentation.cpp revision c27bc80a98b9558513b50956c930eedc9e461ae0
1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -Wdocumentation -Wdocumentation-pedantic -verify %s
2
3// expected-warning@+1 {{expected quoted string after equals sign}}
4/// <a href=>
5int test_html1(int);
6
7// expected-warning@+1 {{expected quoted string after equals sign}}
8/// <a href==>
9int test_html2(int);
10
11// expected-warning@+2 {{expected quoted string after equals sign}}
12// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
13/// <a href= blah
14int test_html3(int);
15
16// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
17/// <a =>
18int test_html4(int);
19
20// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
21/// <a "aaa">
22int test_html5(int);
23
24// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
25/// <a a="b" =>
26int test_html6(int);
27
28// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
29/// <a a="b" "aaa">
30int test_html7(int);
31
32// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
33/// <a a="b" =
34int test_html8(int);
35
36// expected-warning@+2 {{HTML start tag prematurely ended, expected attribute name or '>'}} expected-note@+1 {{HTML tag started here}}
37/** Aaa bbb<ccc ddd eee
38 * fff ggg.
39 */
40int test_html9(int);
41
42// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
43/** Aaa bbb<ccc ddd eee 42%
44 * fff ggg.
45 */
46int test_html10(int);
47
48// expected-warning@+1 {{HTML end tag 'br' is forbidden}}
49/// <br></br>
50int test_html11(int);
51
52/// <blockquote>Meow</blockquote>
53int test_html_nesting1(int);
54
55/// <b><i>Meow</i></b>
56int test_html_nesting2(int);
57
58/// <p>Aaa<br>
59/// Bbb</p>
60int test_html_nesting3(int);
61
62/// <p>Aaa<br />
63/// Bbb</p>
64int test_html_nesting4(int);
65
66// expected-warning@+1 {{HTML end tag does not match any start tag}}
67/// <b><i>Meow</a>
68int test_html_nesting5(int);
69
70// expected-warning@+2 {{HTML start tag 'i' closed by 'b'}}
71// expected-warning@+1 {{HTML end tag does not match any start tag}}
72/// <b><i>Meow</b></b>
73int test_html_nesting6(int);
74
75// expected-warning@+2 {{HTML start tag 'i' closed by 'b'}}
76// expected-warning@+1 {{HTML end tag does not match any start tag}}
77/// <b><i>Meow</b></i>
78int test_html_nesting7(int);
79
80
81// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
82/// \brief\brief Aaa
83int test_block_command1(int);
84
85// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
86/// \brief \brief Aaa
87int test_block_command2(int);
88
89// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
90/// \brief
91/// \brief Aaa
92int test_block_command3(int);
93
94// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
95/// \brief
96///
97/// \brief Aaa
98int test_block_command4(int);
99
100// There is trailing whitespace on one of the following lines, don't remove it!
101// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
102/// \brief
103///
104/// \brief Aaa
105int test_block_command5(int);
106
107/// \brief \c Aaa
108int test_block_command6(int);
109
110// expected-warning@+1 {{'\param' command used in a comment that is not attached to a function declaration}}
111/// \param a Blah blah.
112int test_param1;
113
114// expected-warning@+1 {{empty paragraph passed to '\param' command}}
115/// \param
116/// \param a Blah blah.
117int test_param2(int a);
118
119// expected-warning@+1 {{empty paragraph passed to '\param' command}}
120/// \param a
121int test_param3(int a);
122
123/// \param a Blah blah.
124int test_param4(int a);
125
126/// \param [in] a Blah blah.
127int test_param5(int a);
128
129/// \param [out] a Blah blah.
130int test_param6(int a);
131
132/// \param [in,out] a Blah blah.
133int test_param7(int a);
134
135// expected-warning@+1 {{whitespace is not allowed in parameter passing direction}}
136/// \param [ in ] a Blah blah.
137int test_param8(int a);
138
139// expected-warning@+1 {{whitespace is not allowed in parameter passing direction}}
140/// \param [in, out] a Blah blah.
141int test_param9(int a);
142
143// expected-warning@+1 {{unrecognized parameter passing direction, valid directions are '[in]', '[out]' and '[in,out]'}}
144/// \param [ junk] a Blah blah.
145int test_param10(int a);
146
147// expected-warning@+1 {{parameter 'a' not found in the function declaration}}
148/// \param a Blah blah.
149int test_param11();
150
151// expected-warning@+1 {{parameter 'A' not found in the function declaration}} expected-note@+1 {{did you mean 'a'?}}
152/// \param A Blah blah.
153int test_param12(int a);
154
155// expected-warning@+1 {{parameter 'aab' not found in the function declaration}} expected-note@+1 {{did you mean 'aaa'?}}
156/// \param aab Blah blah.
157int test_param13(int aaa, int bbb);
158
159// expected-warning@+1 {{parameter 'aab' not found in the function declaration}}
160/// \param aab Blah blah.
161int test_param14(int bbb, int ccc);
162
163class C {
164  // expected-warning@+1 {{parameter 'aaa' not found in the function declaration}}
165  /// \param aaa Blah blah.
166  C(int bbb, int ccc);
167
168  // expected-warning@+1 {{parameter 'aaa' not found in the function declaration}}
169  /// \param aaa Blah blah.
170 int test_param15(int bbb, int ccc);
171};
172
173// expected-warning@+1 {{parameter 'aab' not found in the function declaration}}
174/// \param aab Blah blah.
175template<typename T>
176void test_param16(int bbb, int ccc);
177
178// expected-warning@+3 {{parameter 'a' is already documented}}
179// expected-note@+1 {{previous documentation}}
180/// \param a Aaa.
181/// \param a Aaa.
182int test_param17(int a);
183
184// expected-warning@+4 {{parameter 'x2' is already documented}}
185// expected-note@+2 {{previous documentation}}
186/// \param x1 Aaa.
187/// \param x2 Bbb.
188/// \param x2 Ccc.
189int test_param18(int x1, int x2, int x3);
190
191
192// expected-warning@+1 {{'\tparam' command used in a comment that is not attached to a template declaration}}
193/// \tparam T Aaa
194int test_tparam1;
195
196// expected-warning@+1 {{'\tparam' command used in a comment that is not attached to a template declaration}}
197/// \tparam T Aaa
198void test_tparam2(int aaa);
199
200// expected-warning@+1 {{empty paragraph passed to '\tparam' command}}
201/// \tparam
202/// \param aaa Blah blah
203template<typename T>
204void test_tparam3(T aaa);
205
206// expected-warning@+1 {{template parameter 'T' not found in the template declaration}} expected-note@+1 {{did you mean 'TT'?}}
207/// \tparam T Aaa
208template<typename TT>
209void test_tparam4(TT aaa);
210
211// expected-warning@+1 {{template parameter 'T' not found in the template declaration}} expected-note@+1 {{did you mean 'TT'?}}
212/// \tparam T Aaa
213template<typename TT>
214class test_tparam5 {
215  // expected-warning@+1 {{template parameter 'T' not found in the template declaration}} expected-note@+1 {{did you mean 'TTT'?}}
216  /// \tparam T Aaa
217  template<typename TTT>
218  void test_tparam6(TTT aaa);
219};
220
221/// \tparam T1 Aaa
222/// \tparam T2 Bbb
223template<typename T1, typename T2>
224void test_tparam7(T1 aaa, T2 bbb);
225
226// expected-warning@+1 {{template parameter 'SomTy' not found in the template declaration}} expected-note@+1 {{did you mean 'SomeTy'?}}
227/// \tparam SomTy Aaa
228/// \tparam OtherTy Bbb
229template<typename SomeTy, typename OtherTy>
230void test_tparam8(SomeTy aaa, OtherTy bbb);
231
232// expected-warning@+2 {{template parameter 'T1' is already documented}} expected-note@+1 {{previous documentation}}
233/// \tparam T1 Aaa
234/// \tparam T1 Bbb
235template<typename T1, typename T2>
236void test_tparam9(T1 aaa, T2 bbb);
237
238/// \tparam T Aaa
239/// \tparam TT Bbb
240template<template<typename T> class TT>
241void test_tparam10(TT<int> aaa);
242
243/// \tparam T Aaa
244/// \tparam TT Bbb
245/// \tparam TTT Ccc
246template<template<template<typename T> class TT, class C> class TTT>
247void test_tparam11();
248
249/// \tparam I Aaa
250template<int I>
251void test_tparam12();
252
253
254// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
255int test1; ///< \brief\brief Aaa
256
257// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
258// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
259int test2, ///< \brief\brief Aaa
260    test3; ///< \brief\brief Aaa
261
262// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
263int test4; ///< \brief
264           ///< \brief Aaa
265
266
267// Check that we attach the comment to the declaration during parsing in the
268// following cases.  The test is based on the fact that we don't parse
269// documentation comments that are not attached to anything.
270
271// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
272/// \brief\brief Aaa
273int test_attach1;
274
275// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
276/// \brief\brief Aaa
277int test_attach2(int);
278
279// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
280/// \brief\brief Aaa
281struct test_attach3 {
282  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
283  /// \brief\brief Aaa
284  int test_attach4;
285
286  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
287  int test_attach5; ///< \brief\brief Aaa
288
289  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
290  /// \brief\brief Aaa
291  int test_attach6(int);
292};
293
294// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
295/// \brief\brief Aaa
296class test_attach7 {
297  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
298  /// \brief\brief Aaa
299  int test_attach8;
300
301  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
302  int test_attach9; ///< \brief\brief Aaa
303
304  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
305  /// \brief\brief Aaa
306  int test_attach10(int);
307};
308
309// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
310/// \brief\brief Aaa
311enum test_attach9 {
312  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
313  /// \brief\brief Aaa
314  test_attach10,
315
316  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
317  test_attach11 ///< \brief\brief Aaa
318};
319
320// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
321/// \brief\brief Aaa
322struct test_noattach12 *test_attach13;
323
324// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
325/// \brief\brief Aaa
326typedef struct test_noattach14 *test_attach15;
327
328// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
329/// \brief\brief Aaa
330typedef struct test_attach16 { int a; } test_attach17;
331
332struct S { int a; };
333
334// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
335/// \brief\brief Aaa
336struct S *test_attach18;
337
338// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
339/// \brief\brief Aaa
340typedef struct S *test_attach19;
341
342// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
343/// \brief\brief Aaa
344struct test_attach20;
345
346// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
347/// \brief\brief Aaa
348typedef struct test_attach21 {
349  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
350  /// \brief\brief Aaa
351  int test_attach22;
352} test_attach23;
353
354// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
355/// \brief\brief Aaa
356namespace test_attach24 {
357  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
358  /// \brief\brief Aaa
359  namespace test_attach25 {
360  }
361}
362
363// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
364/// \brief\brief Aaa
365/// \tparam T Aaa
366template<typename T>
367void test_attach26(T aaa);
368
369// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
370/// \brief\brief Aaa
371/// \tparam T Aaa
372template<typename T, typename U>
373void test_attach27(T aaa, U bbb);
374
375// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
376// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
377/// \brief\brief Aaa
378/// \tparam T Aaa
379template<>
380void test_attach27(int aaa, int bbb);
381
382// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
383/// \brief\brief Aaa
384/// \tparam T Aaa
385template<typename T>
386class test_attach28 {
387  T aaa;
388};
389
390// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
391/// \brief\brief Aaa
392using test_attach29 = test_attach28<int>;
393
394// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
395/// \brief\brief Aaa
396/// \tparam T Aaa
397template<typename T, typename U>
398class test_attach30 { };
399
400// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
401/// \brief\brief Aaa
402/// \tparam T Aaa
403template<typename T>
404class test_attach30<T, int> { };
405
406// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
407/// \brief\brief Aaa
408template<>
409class test_attach30<int, int> { };
410
411// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
412/// \brief\brief Aaa
413template<typename T>
414using test_attach31 = test_attach30<T, int>;
415
416// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
417/// \brief\brief Aaa
418/// \tparam T Aaa
419template<typename T, typename U, typename V>
420class test_attach32 { };
421
422// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
423/// \brief\brief Aaa
424/// \tparam T Aaa
425template<typename T, typename U>
426class test_attach32<T, U, int> { };
427
428// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
429/// \brief\brief Aaa
430/// \tparam T Aaa
431template<typename T>
432class test_attach32<T, int, int> { };
433
434// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
435// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
436/// \brief\brief Aaa
437/// \tparam T Aaa
438template<>
439class test_attach32<int, int, int> { };
440
441// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
442/// \brief\brief Aaa
443class test_attach33 {
444  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
445  /// \brief\brief Aaa
446  /// \tparam T Aaa
447  template<typename T, typename U>
448  void test_attach34(T aaa, U bbb);
449};
450
451template<typename T>
452class test_attach35 {
453  // expected-warning@+2 {{empty paragraph passed to '\brief' command}}
454  // expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
455  /// \brief\brief Aaa
456  /// \tparam T Aaa
457  template<typename TT, typename UU>
458  void test_attach36(TT aaa, UU bbb);
459};
460
461// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
462// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
463/// \brief\brief Aaa
464/// \tparam T Aaa
465template<> template<>
466void test_attach35<int>::test_attach36(int aaa, int bbb) {}
467
468template<typename T>
469class test_attach37 {
470  // expected-warning@+2 {{empty paragraph passed to '\brief' command}}
471  // expected-warning@+2 {{'\tparam' command used in a comment that is not attached to a template declaration}}
472  /// \brief\brief Aaa
473  /// \tparam T Aaa
474  void test_attach38(int aaa, int bbb);
475};
476
477// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
478/// \brief\brief Aaa
479/// \tparam T Aaa
480template<typename T>
481void test_attach37<T>::test_attach38(int aaa, int bbb) {}
482
483// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
484// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
485/// \brief\brief Aaa
486/// \tparam T Aaa
487template<>
488void test_attach37<int>::test_attach38(int aaa, int bbb) {}
489
490
491// PR13411, reduced.  We used to crash on this.
492/**
493 * @code Aaa.
494 */
495void test_nocrash1(int);
496
497// We used to crash on this.
498// expected-warning@+2 {{empty paragraph passed to '\param' command}}
499// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
500/// \param\brief
501void test_nocrash2(int);
502
503