warn-documentation.cpp revision ec504e0d677594fe975e29b25d6d47be54038baf
1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -Wdocumentation -Wdocumentation-pedantic -verify %s
2
3// This file contains lots of corner cases, so ensure that XML we generate is not invalid.
4// RUN: c-index-test -test-load-source all -comments-xml-schema=%S/../../bindings/xml/comment-xml-schema.rng %s | FileCheck %s -check-prefix=WRONG
5// WRONG-NOT: CommentXMLInvalid
6
7// expected-warning@+1 {{expected quoted string after equals sign}}
8/// <a href=>
9int test_html1(int);
10
11// expected-warning@+1 {{expected quoted string after equals sign}}
12/// <a href==>
13int test_html2(int);
14
15// expected-warning@+2 {{expected quoted string after equals sign}}
16// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
17/// <a href= blah
18int test_html3(int);
19
20// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
21/// <a =>
22int test_html4(int);
23
24// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
25/// <a "aaa">
26int test_html5(int);
27
28// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
29/// <a a="b" =>
30int test_html6(int);
31
32// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
33/// <a a="b" "aaa">
34int test_html7(int);
35
36// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
37/// <a a="b" =
38int test_html8(int);
39
40// expected-warning@+2 {{HTML start tag prematurely ended, expected attribute name or '>'}} expected-note@+1 {{HTML tag started here}}
41/** Aaa bbb<img ddd eee
42 * fff ggg.
43 */
44int test_html9(int);
45
46// expected-warning@+1 {{HTML start tag prematurely ended, expected attribute name or '>'}}
47/** Aaa bbb<img ddd eee 42%
48 * fff ggg.
49 */
50int test_html10(int);
51
52// expected-warning@+1 {{HTML end tag 'br' is forbidden}}
53/// <br></br>
54int test_html11(int);
55
56/// <blockquote>Meow</blockquote>
57int test_html_nesting1(int);
58
59/// <b><i>Meow</i></b>
60int test_html_nesting2(int);
61
62/// <p>Aaa<br>
63/// Bbb</p>
64int test_html_nesting3(int);
65
66/// <p>Aaa<br />
67/// Bbb</p>
68int test_html_nesting4(int);
69
70// expected-warning@+1 {{HTML end tag does not match any start tag}}
71/// <b><i>Meow</a>
72int test_html_nesting5(int);
73
74// expected-warning@+2 {{HTML start tag 'i' closed by 'b'}}
75// expected-warning@+1 {{HTML end tag does not match any start tag}}
76/// <b><i>Meow</b></b>
77int test_html_nesting6(int);
78
79// expected-warning@+2 {{HTML start tag 'i' closed by 'b'}}
80// expected-warning@+1 {{HTML end tag does not match any start tag}}
81/// <b><i>Meow</b></i>
82int test_html_nesting7(int);
83
84
85// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
86/// \brief\returns Aaa
87int test_block_command1(int);
88
89// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
90/// \brief \returns Aaa
91int test_block_command2(int);
92
93// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
94/// \brief
95/// \returns Aaa
96int test_block_command3(int);
97
98// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
99/// \brief
100///
101/// \returns Aaa
102int test_block_command4(int);
103
104// There is trailing whitespace on one of the following lines, don't remove it!
105// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
106/// \brief
107///
108/// \returns Aaa
109int test_block_command5(int);
110
111/// \brief \c Aaa
112int test_block_command6(int);
113
114// expected-warning@+5 {{duplicated command '\brief'}} expected-note@+1 {{previous command '\brief' here}}
115/// \brief Aaa
116///
117/// Bbb
118///
119/// \brief Ccc
120int test_duplicate_brief1(int);
121
122// expected-warning@+5 {{duplicated command '\short'}} expected-note@+1 {{previous command '\short' here}}
123/// \short Aaa
124///
125/// Bbb
126///
127/// \short Ccc
128int test_duplicate_brief2(int);
129
130// expected-warning@+5 {{duplicated command '\brief'}} expected-note@+1 {{previous command '\short' (an alias of '\brief') here}}
131/// \short Aaa
132///
133/// Bbb
134///
135/// \brief Ccc
136int test_duplicate_brief3(int);
137
138
139// expected-warning@+5 {{duplicated command '\return'}} expected-note@+1 {{previous command '\return' here}}
140/// \return Aaa
141///
142/// Bbb
143///
144/// \return Ccc
145int test_duplicate_returns1(int);
146
147// expected-warning@+5 {{duplicated command '\returns'}} expected-note@+1 {{previous command '\returns' here}}
148/// \returns Aaa
149///
150/// Bbb
151///
152/// \returns Ccc
153int test_duplicate_returns2(int);
154
155// expected-warning@+5 {{duplicated command '\result'}} expected-note@+1 {{previous command '\result' here}}
156/// \result Aaa
157///
158/// Bbb
159///
160/// \result Ccc
161int test_duplicate_returns3(int);
162
163// expected-warning@+5 {{duplicated command '\return'}} expected-note@+1 {{previous command '\returns' (an alias of '\return') here}}
164/// \returns Aaa
165///
166/// Bbb
167///
168/// \return Ccc
169int test_duplicate_returns4(int);
170
171
172// expected-warning@+1 {{'\param' command used in a comment that is not attached to a function declaration}}
173/// \param a Blah blah.
174int test_param1;
175
176// expected-warning@+1 {{empty paragraph passed to '\param' command}}
177/// \param
178/// \param a Blah blah.
179int test_param2(int a);
180
181// expected-warning@+1 {{empty paragraph passed to '\param' command}}
182/// \param a
183int test_param3(int a);
184
185/// \param a Blah blah.
186int test_param4(int a);
187
188/// \param [in] a Blah blah.
189int test_param5(int a);
190
191/// \param [out] a Blah blah.
192int test_param6(int a);
193
194/// \param [in,out] a Blah blah.
195int test_param7(int a);
196
197// expected-warning@+1 {{whitespace is not allowed in parameter passing direction}}
198/// \param [ in ] a Blah blah.
199int test_param8(int a);
200
201// expected-warning@+1 {{whitespace is not allowed in parameter passing direction}}
202/// \param [in, out] a Blah blah.
203int test_param9(int a);
204
205// expected-warning@+1 {{unrecognized parameter passing direction, valid directions are '[in]', '[out]' and '[in,out]'}}
206/// \param [ junk] a Blah blah.
207int test_param10(int a);
208
209// expected-warning@+1 {{parameter 'a' not found in the function declaration}}
210/// \param a Blah blah.
211int test_param11();
212
213// expected-warning@+1 {{parameter 'A' not found in the function declaration}} expected-note@+1 {{did you mean 'a'?}}
214/// \param A Blah blah.
215int test_param12(int a);
216
217// expected-warning@+1 {{parameter 'aab' not found in the function declaration}} expected-note@+1 {{did you mean 'aaa'?}}
218/// \param aab Blah blah.
219int test_param13(int aaa, int bbb);
220
221// expected-warning@+2 {{parameter 'aab' not found in the function declaration}} expected-note@+2 {{did you mean 'bbb'?}}
222/// \param aaa Blah blah.
223/// \param aab Blah blah.
224int test_param14(int aaa, int bbb);
225
226// expected-warning@+1 {{parameter 'aab' not found in the function declaration}}
227/// \param aab Blah blah.
228int test_param15(int bbb, int ccc);
229
230// expected-warning@+1 {{parameter 'aab' not found in the function declaration}}
231/// \param aab Ccc.
232/// \param aaa Aaa.
233/// \param bbb Bbb.
234int test_param16(int aaa, int bbb);
235
236// expected-warning@+2 {{parameter 'aab' not found in the function declaration}}
237/// \param aaa Aaa.
238/// \param aab Ccc.
239/// \param bbb Bbb.
240int test_param17(int aaa, int bbb);
241
242// expected-warning@+3 {{parameter 'aab' not found in the function declaration}}
243/// \param aaa Aaa.
244/// \param bbb Bbb.
245/// \param aab Ccc.
246int test_param18(int aaa, int bbb);
247
248class C {
249  // expected-warning@+1 {{parameter 'aaa' not found in the function declaration}}
250  /// \param aaa Blah blah.
251  C(int bbb, int ccc);
252
253  // expected-warning@+1 {{parameter 'aaa' not found in the function declaration}}
254  /// \param aaa Blah blah.
255 int test_param19(int bbb, int ccc);
256};
257
258// expected-warning@+1 {{parameter 'aab' not found in the function declaration}}
259/// \param aab Blah blah.
260template<typename T>
261void test_param20(int bbb, int ccc);
262
263// expected-warning@+3 {{parameter 'a' is already documented}}
264// expected-note@+1 {{previous documentation}}
265/// \param a Aaa.
266/// \param a Aaa.
267int test_param21(int a);
268
269// expected-warning@+4 {{parameter 'x2' is already documented}}
270// expected-note@+2 {{previous documentation}}
271/// \param x1 Aaa.
272/// \param x2 Bbb.
273/// \param x2 Ccc.
274int test_param22(int x1, int x2, int x3);
275
276// expected-warning@+2 {{parameter 'bbb' not found in the function declaration}} expected-note@+2 {{did you mean 'ccc'?}}
277/// \param aaa Meow.
278/// \param bbb Bbb.
279/// \returns aaa.
280typedef int test_param23(int aaa, int ccc);
281
282// expected-warning@+2 {{parameter 'bbb' not found in the function declaration}} expected-note@+2 {{did you mean 'ccc'?}}
283/// \param aaa Meow.
284/// \param bbb Bbb.
285/// \returns aaa.
286typedef int (*test_param24)(int aaa, int ccc);
287
288// expected-warning@+2 {{parameter 'bbb' not found in the function declaration}} expected-note@+2 {{did you mean 'ccc'?}}
289/// \param aaa Meow.
290/// \param bbb Bbb.
291/// \returns aaa.
292typedef int (* const test_param25)(int aaa, int ccc);
293
294// expected-warning@+2 {{parameter 'bbb' not found in the function declaration}} expected-note@+2 {{did you mean 'ccc'?}}
295/// \param aaa Meow.
296/// \param bbb Bbb.
297/// \returns aaa.
298typedef int (C::*test_param26)(int aaa, int ccc);
299
300typedef int (*test_param27)(int aaa);
301
302// expected-warning@+1 {{'\param' command used in a comment that is not attached to a function declaration}}
303/// \param aaa Meow.
304typedef test_param27 test_param28;
305
306
307// expected-warning@+1 {{'\tparam' command used in a comment that is not attached to a template declaration}}
308/// \tparam T Aaa
309int test_tparam1;
310
311// expected-warning@+1 {{'\tparam' command used in a comment that is not attached to a template declaration}}
312/// \tparam T Aaa
313void test_tparam2(int aaa);
314
315// expected-warning@+1 {{empty paragraph passed to '\tparam' command}}
316/// \tparam
317/// \param aaa Blah blah
318template<typename T>
319void test_tparam3(T aaa);
320
321// expected-warning@+1 {{template parameter 'T' not found in the template declaration}} expected-note@+1 {{did you mean 'TT'?}}
322/// \tparam T Aaa
323template<typename TT>
324void test_tparam4(TT aaa);
325
326// expected-warning@+1 {{template parameter 'T' not found in the template declaration}} expected-note@+1 {{did you mean 'TT'?}}
327/// \tparam T Aaa
328template<typename TT>
329class test_tparam5 {
330  // expected-warning@+1 {{template parameter 'T' not found in the template declaration}} expected-note@+1 {{did you mean 'TTT'?}}
331  /// \tparam T Aaa
332  template<typename TTT>
333  void test_tparam6(TTT aaa);
334};
335
336/// \tparam T1 Aaa
337/// \tparam T2 Bbb
338template<typename T1, typename T2>
339void test_tparam7(T1 aaa, T2 bbb);
340
341// expected-warning@+1 {{template parameter 'SomTy' not found in the template declaration}} expected-note@+1 {{did you mean 'SomeTy'?}}
342/// \tparam SomTy Aaa
343/// \tparam OtherTy Bbb
344template<typename SomeTy, typename OtherTy>
345void test_tparam8(SomeTy aaa, OtherTy bbb);
346
347// expected-warning@+2 {{template parameter 'T1' is already documented}} expected-note@+1 {{previous documentation}}
348/// \tparam T1 Aaa
349/// \tparam T1 Bbb
350template<typename T1, typename T2>
351void test_tparam9(T1 aaa, T2 bbb);
352
353/// \tparam T Aaa
354/// \tparam TT Bbb
355template<template<typename T> class TT>
356void test_tparam10(TT<int> aaa);
357
358/// \tparam T Aaa
359/// \tparam TT Bbb
360/// \tparam TTT Ccc
361template<template<template<typename T> class TT, class C> class TTT>
362void test_tparam11();
363
364/// \tparam I Aaa
365template<int I>
366void test_tparam12();
367
368template<typename T, typename U>
369class test_tparam13 { };
370
371/// \tparam T Aaa
372template<typename T>
373using test_tparam14 = test_tparam13<T, int>;
374
375// expected-warning@+1 {{template parameter 'U' not found in the template declaration}} expected-note@+1 {{did you mean 'T'?}}
376/// \tparam U Aaa
377template<typename T>
378using test_tparam15 = test_tparam13<T, int>;
379
380
381/// Aaa
382/// \deprecated Bbb
383void test_deprecated_1(int a);
384
385// We don't want \deprecated to warn about empty paragraph.  It is fine to use
386// \deprecated by itself without explanations.
387
388/// Aaa
389/// \deprecated
390void test_deprecated_2(int a);
391
392
393/// \invariant aaa
394void test_invariant_1(int a);
395
396// expected-warning@+1 {{empty paragraph passed to '\invariant' command}}
397/// \invariant
398void test_invariant_2(int a);
399
400
401// no-warning
402/// \returns Aaa
403int test_returns_right_decl_1(int);
404
405class test_returns_right_decl_2 {
406  // no-warning
407  /// \returns Aaa
408  int test_returns_right_decl_3(int);
409};
410
411// no-warning
412/// \returns Aaa
413template<typename T>
414int test_returns_right_decl_4(T aaa);
415
416// no-warning
417/// \returns Aaa
418template<>
419int test_returns_right_decl_4(int aaa);
420
421/// \returns Aaa
422template<typename T>
423T test_returns_right_decl_5(T aaa);
424
425// expected-warning@+1 {{'\returns' command used in a comment that is not attached to a function or method declaration}}
426/// \returns Aaa
427int test_returns_wrong_decl_1;
428
429// expected-warning@+1 {{'\return' command used in a comment that is not attached to a function or method declaration}}
430/// \return Aaa
431int test_returns_wrong_decl_2;
432
433// expected-warning@+1 {{'\result' command used in a comment that is not attached to a function or method declaration}}
434/// \result Aaa
435int test_returns_wrong_decl_3;
436
437// expected-warning@+1 {{'\returns' command used in a comment that is attached to a function returning void}}
438/// \returns Aaa
439void test_returns_wrong_decl_4(int);
440
441// expected-warning@+1 {{'\returns' command used in a comment that is attached to a function returning void}}
442/// \returns Aaa
443template<typename T>
444void test_returns_wrong_decl_5(T aaa);
445
446// expected-warning@+1 {{'\returns' command used in a comment that is attached to a function returning void}}
447/// \returns Aaa
448template<>
449void test_returns_wrong_decl_5(int aaa);
450
451// expected-warning@+1 {{'\returns' command used in a comment that is not attached to a function or method declaration}}
452/// \returns Aaa
453struct test_returns_wrong_decl_6 { };
454
455// expected-warning@+1 {{'\returns' command used in a comment that is not attached to a function or method declaration}}
456/// \returns Aaa
457class test_returns_wrong_decl_7 {
458  // expected-warning@+1 {{'\returns' command used in a comment that is attached to a constructor}}
459  /// \returns Aaa
460  test_returns_wrong_decl_7();
461
462  // expected-warning@+1 {{'\returns' command used in a comment that is attached to a destructor}}
463  /// \returns Aaa
464  ~test_returns_wrong_decl_7();
465};
466
467// expected-warning@+1 {{'\returns' command used in a comment that is not attached to a function or method declaration}}
468/// \returns Aaa
469enum test_returns_wrong_decl_8 {
470  // expected-warning@+1 {{'\returns' command used in a comment that is not attached to a function or method declaration}}
471  /// \returns Aaa
472  test_returns_wrong_decl_9
473};
474
475// expected-warning@+1 {{'\returns' command used in a comment that is not attached to a function or method declaration}}
476/// \returns Aaa
477namespace test_returns_wrong_decl_10 { };
478
479
480// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
481int test1; ///< \brief\author Aaa
482
483// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
484// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
485int test2, ///< \brief\author Aaa
486    test3; ///< \brief\author Aaa
487
488// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
489int test4; ///< \brief
490           ///< \author Aaa
491
492
493// Check that we attach the comment to the declaration during parsing in the
494// following cases.  The test is based on the fact that we don't parse
495// documentation comments that are not attached to anything.
496
497// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
498/// \brief\author Aaa
499int test_attach1;
500
501// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
502/// \brief\author Aaa
503int test_attach2(int);
504
505// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
506/// \brief\author Aaa
507struct test_attach3 {
508  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
509  /// \brief\author Aaa
510  int test_attach4;
511
512  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
513  int test_attach5; ///< \brief\author Aaa
514
515  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
516  /// \brief\author Aaa
517  int test_attach6(int);
518};
519
520// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
521/// \brief\author Aaa
522class test_attach7 {
523  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
524  /// \brief\author Aaa
525  int test_attach8;
526
527  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
528  int test_attach9; ///< \brief\author Aaa
529
530  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
531  /// \brief\author Aaa
532  int test_attach10(int);
533};
534
535// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
536/// \brief\author Aaa
537enum test_attach9 {
538  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
539  /// \brief\author Aaa
540  test_attach10,
541
542  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
543  test_attach11 ///< \brief\author Aaa
544};
545
546// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
547/// \brief\author Aaa
548struct test_noattach12 *test_attach13;
549
550// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
551/// \brief\author Aaa
552typedef struct test_noattach14 *test_attach15;
553
554// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
555/// \brief\author Aaa
556typedef struct test_attach16 { int a; } test_attach17;
557
558struct S { int a; };
559
560// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
561/// \brief\author Aaa
562struct S *test_attach18;
563
564// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
565/// \brief\author Aaa
566typedef struct S *test_attach19;
567
568// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
569/// \brief\author Aaa
570struct test_attach20;
571
572// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
573/// \brief\author Aaa
574typedef struct test_attach21 {
575  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
576  /// \brief\author Aaa
577  int test_attach22;
578} test_attach23;
579
580// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
581/// \brief\author Aaa
582namespace test_attach24 {
583  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
584  /// \brief\author Aaa
585  namespace test_attach25 {
586  }
587}
588
589// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
590/// \brief\author Aaa
591/// \tparam T Aaa
592template<typename T>
593void test_attach26(T aaa);
594
595// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
596/// \brief\author Aaa
597/// \tparam T Aaa
598template<typename T, typename U>
599void test_attach27(T aaa, U bbb);
600
601// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
602// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
603/// \brief\author Aaa
604/// \tparam T Aaa
605template<>
606void test_attach27(int aaa, int bbb);
607
608// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
609/// \brief\author Aaa
610/// \tparam T Aaa
611template<typename T>
612class test_attach28 {
613  T aaa;
614};
615
616// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
617/// \brief\author Aaa
618using test_attach29 = test_attach28<int>;
619
620// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
621/// \brief\author Aaa
622/// \tparam T Aaa
623template<typename T, typename U>
624class test_attach30 { };
625
626// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
627/// \brief\author Aaa
628/// \tparam T Aaa
629template<typename T>
630class test_attach30<T, int> { };
631
632// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
633/// \brief\author Aaa
634template<>
635class test_attach30<int, int> { };
636
637// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
638/// \brief\author Aaa
639template<typename T>
640using test_attach31 = test_attach30<T, int>;
641
642// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
643/// \brief\author Aaa
644/// \tparam T Aaa
645template<typename T, typename U, typename V>
646class test_attach32 { };
647
648// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
649/// \brief\author Aaa
650/// \tparam T Aaa
651template<typename T, typename U>
652class test_attach32<T, U, int> { };
653
654// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
655/// \brief\author Aaa
656/// \tparam T Aaa
657template<typename T>
658class test_attach32<T, int, int> { };
659
660// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
661// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
662/// \brief\author Aaa
663/// \tparam T Aaa
664template<>
665class test_attach32<int, int, int> { };
666
667// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
668/// \brief\author Aaa
669class test_attach33 {
670  // expected-warning@+1 {{empty paragraph passed to '\brief' command}}
671  /// \brief\author Aaa
672  /// \tparam T Aaa
673  template<typename T, typename U>
674  void test_attach34(T aaa, U bbb);
675};
676
677template<typename T>
678class test_attach35 {
679  // expected-warning@+2 {{empty paragraph passed to '\brief' command}}
680  // expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
681  /// \brief\author Aaa
682  /// \tparam T Aaa
683  template<typename TT, typename UU>
684  void test_attach36(TT aaa, UU bbb);
685};
686
687// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
688// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
689/// \brief\author Aaa
690/// \tparam T Aaa
691template<> template<>
692void test_attach35<int>::test_attach36(int aaa, int bbb) {}
693
694template<typename T>
695class test_attach37 {
696  // expected-warning@+2 {{empty paragraph passed to '\brief' command}}
697  // expected-warning@+2 {{'\tparam' command used in a comment that is not attached to a template declaration}}
698  /// \brief\author Aaa
699  /// \tparam T Aaa
700  void test_attach38(int aaa, int bbb);
701
702  void test_attach39(int aaa, int bbb);
703};
704
705// expected-warning@+2 {{empty paragraph passed to '\brief' command}}
706// expected-warning@+2 {{template parameter 'T' not found in the template declaration}}
707/// \brief\author Aaa
708/// \tparam T Aaa
709template<>
710void test_attach37<int>::test_attach38(int aaa, int bbb) {}
711
712// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
713/// \brief\author Aaa
714/// \tparam T Aaa
715template<typename T>
716void test_attach37<T>::test_attach39(int aaa, int bbb) {}
717
718// We used to emit warning that parameter 'a' is not found because we parsed
719// the comment in context of the redeclaration which does not have parameter
720// names.
721template <typename T>
722struct test_attach38 {
723  /*!
724    \param a  First param
725    \param b  Second param
726  */
727  template <typename B>
728  void test_attach39(T a, B b);
729};
730
731template <>
732template <typename B>
733void test_attach38<int>::test_attach39(int, B);
734
735
736// PR13411, reduced.  We used to crash on this.
737/**
738 * @code Aaa.
739 */
740void test_nocrash1(int);
741
742// We used to crash on this.
743// expected-warning@+2 {{empty paragraph passed to '\param' command}}
744// expected-warning@+1 {{empty paragraph passed to '\brief' command}}
745/// \param\brief
746void test_nocrash2(int);
747
748// PR13593, example 1 and 2
749
750/**
751* Bla.
752*/
753template <typename>
754void test_nocrash3();
755
756/// Foo
757template <typename, typename>
758void test_nocrash4() { }
759
760template <typename>
761void test_nocrash3()
762{
763}
764
765// PR13593, example 3
766
767/**
768 * aaa
769 */
770template <typename T>
771inline T test_nocrash5(T a1)
772{
773    return a1;
774}
775
776///
777//,
778
779inline void test_nocrash6()
780{
781    test_nocrash5(1);
782}
783
784// We used to crash on this.
785
786/*!
787  Blah.
788*/
789typedef const struct test_nocrash7 * test_nocrash8;
790
791// We used to crash on this.
792
793/// aaa \unknown aaa \unknown aaa
794int test_nocrash9;
795
796