has_feature_cxx0x.cpp source code [clang_source_code/test/Lexer/has_feature

1	// RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++11 %s -o - \| FileCheck --check-prefix=CHECK-11 %s
2	// RUN: %clang_cc1 -E -triple armv7-apple-darwin -std=c++11 %s -o - \| FileCheck --check-prefix=CHECK-NO-TLS %s
3	// RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++98 %s -o - \| FileCheck --check-prefix=CHECK-NO-11 %s
4	// RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++14 %s -o - \| FileCheck --check-prefix=CHECK-14 %s
5	// RUN: %clang_cc1 -E -triple x86_64-linux-gnu -std=c++1z %s -o - \| FileCheck --check-prefix=CHECK-1Z %s
6
7	#if __has_feature(cxx_atomic)
8	int has_atomic();
9	#else
10	int no_atomic();
11	#endif
12
13	// CHECK-1Z: has_atomic
14	// CHECK-14: has_atomic
15	// CHECK-11: has_atomic
16	// CHECK-NO-11: no_atomic
17
18	#if __has_feature(cxx_lambdas)
19	int has_lambdas();
20	#else
21	int no_lambdas();
22	#endif
23
24	// CHECK-1Z: has_lambdas
25	// CHECK-14: has_lambdas
26	// CHECK-11: has_lambdas
27	// CHECK-NO-11: no_lambdas
28
29
30	#if __has_feature(cxx_nullptr)
31	int has_nullptr();
32	#else
33	int no_nullptr();
34	#endif
35
36	// CHECK-1Z: has_nullptr
37	// CHECK-14: has_nullptr
38	// CHECK-11: has_nullptr
39	// CHECK-NO-11: no_nullptr
40
41
42	#if __has_feature(cxx_decltype)
43	int has_decltype();
44	#else
45	int no_decltype();
46	#endif
47
48	// CHECK-1Z: has_decltype
49	// CHECK-14: has_decltype
50	// CHECK-11: has_decltype
51	// CHECK-NO-11: no_decltype
52
53
54	#if __has_feature(cxx_decltype_incomplete_return_types)
55	int has_decltype_incomplete_return_types();
56	#else
57	int no_decltype_incomplete_return_types();
58	#endif
59
60	// CHECK-1Z: has_decltype_incomplete_return_types
61	// CHECK-14: has_decltype_incomplete_return_types
62	// CHECK-11: has_decltype_incomplete_return_types
63	// CHECK-NO-11: no_decltype_incomplete_return_types
64
65
66	#if __has_feature(cxx_auto_type)
67	int has_auto_type();
68	#else
69	int no_auto_type();
70	#endif
71
72	// CHECK-1Z: has_auto_type
73	// CHECK-14: has_auto_type
74	// CHECK-11: has_auto_type
75	// CHECK-NO-11: no_auto_type
76
77
78	#if __has_feature(cxx_trailing_return)
79	int has_trailing_return();
80	#else
81	int no_trailing_return();
82	#endif
83
84	// CHECK-1Z: has_trailing_return
85	// CHECK-14: has_trailing_return
86	// CHECK-11: has_trailing_return
87	// CHECK-NO-11: no_trailing_return
88
89
90	#if __has_feature(cxx_attributes)
91	int has_attributes();
92	#else
93	int no_attributes();
94	#endif
95
96	// CHECK-1Z: has_attributes
97	// CHECK-14: has_attributes
98	// CHECK-11: has_attributes
99	// CHECK-NO-11: no_attributes
100
101
102	#if __has_feature(cxx_static_assert)
103	int has_static_assert();
104	#else
105	int no_static_assert();
106	#endif
107
108	// CHECK-1Z: has_static_assert
109	// CHECK-14: has_static_assert
110	// CHECK-11: has_static_assert
111	// CHECK-NO-11: no_static_assert
112
113	#if __has_feature(cxx_deleted_functions)
114	int has_deleted_functions();
115	#else
116	int no_deleted_functions();
117	#endif
118
119	// CHECK-1Z: has_deleted_functions
120	// CHECK-14: has_deleted_functions
121	// CHECK-11: has_deleted_functions
122	// CHECK-NO-11: no_deleted_functions
123
124	#if __has_feature(cxx_defaulted_functions)
125	int has_defaulted_functions();
126	#else
127	int no_defaulted_functions();
128	#endif
129
130	// CHECK-1Z: has_defaulted_functions
131	// CHECK-14: has_defaulted_functions
132	// CHECK-11: has_defaulted_functions
133	// CHECK-NO-11: no_defaulted_functions
134
135	#if __has_feature(cxx_rvalue_references)
136	int has_rvalue_references();
137	#else
138	int no_rvalue_references();
139	#endif
140
141	// CHECK-1Z: has_rvalue_references
142	// CHECK-14: has_rvalue_references
143	// CHECK-11: has_rvalue_references
144	// CHECK-NO-11: no_rvalue_references
145
146
147	#if __has_feature(cxx_variadic_templates)
148	int has_variadic_templates();
149	#else
150	int no_variadic_templates();
151	#endif
152
153	// CHECK-1Z: has_variadic_templates
154	// CHECK-14: has_variadic_templates
155	// CHECK-11: has_variadic_templates
156	// CHECK-NO-11: no_variadic_templates
157
158
159	#if __has_feature(cxx_inline_namespaces)
160	int has_inline_namespaces();
161	#else
162	int no_inline_namespaces();
163	#endif
164
165	// CHECK-1Z: has_inline_namespaces
166	// CHECK-14: has_inline_namespaces
167	// CHECK-11: has_inline_namespaces
168	// CHECK-NO-11: no_inline_namespaces
169
170
171	#if __has_feature(cxx_range_for)
172	int has_range_for();
173	#else
174	int no_range_for();
175	#endif
176
177	// CHECK-1Z: has_range_for
178	// CHECK-14: has_range_for
179	// CHECK-11: has_range_for
180	// CHECK-NO-11: no_range_for
181
182
183	#if __has_feature(cxx_reference_qualified_functions)
184	int has_reference_qualified_functions();
185	#else
186	int no_reference_qualified_functions();
187	#endif
188
189	// CHECK-1Z: has_reference_qualified_functions
190	// CHECK-14: has_reference_qualified_functions
191	// CHECK-11: has_reference_qualified_functions
192	// CHECK-NO-11: no_reference_qualified_functions
193
194	#if __has_feature(cxx_default_function_template_args)
195	int has_default_function_template_args();
196	#else
197	int no_default_function_template_args();
198	#endif
199
200	// CHECK-1Z: has_default_function_template_args
201	// CHECK-14: has_default_function_template_args
202	// CHECK-11: has_default_function_template_args
203	// CHECK-NO-11: no_default_function_template_args
204
205	#if __has_feature(cxx_noexcept)
206	int has_noexcept();
207	#else
208	int no_noexcept();
209	#endif
210
211	// CHECK-1Z: has_noexcept
212	// CHECK-14: has_noexcept
213	// CHECK-11: has_noexcept
214	// CHECK-NO-11: no_noexcept
215
216	#if __has_feature(cxx_override_control)
217	int has_override_control();
218	#else
219	int no_override_control();
220	#endif
221
222	// CHECK-1Z: has_override_control
223	// CHECK-14: has_override_control
224	// CHECK-11: has_override_control
225	// CHECK-NO-11: no_override_control
226
227	#if __has_feature(cxx_alias_templates)
228	int has_alias_templates();
229	#else
230	int no_alias_templates();
231	#endif
232
233	// CHECK-1Z: has_alias_templates
234	// CHECK-14: has_alias_templates
235	// CHECK-11: has_alias_templates
236	// CHECK-NO-11: no_alias_templates
237
238	#if __has_feature(cxx_implicit_moves)
239	int has_implicit_moves();
240	#else
241	int no_implicit_moves();
242	#endif
243
244	// CHECK-1Z: has_implicit_moves
245	// CHECK-14: has_implicit_moves
246	// CHECK-11: has_implicit_moves
247	// CHECK-NO-11: no_implicit_moves
248
249	#if __has_feature(cxx_alignas)
250	int has_alignas();
251	#else
252	int no_alignas();
253	#endif
254
255	// CHECK-1Z: has_alignas
256	// CHECK-14: has_alignas
257	// CHECK-11: has_alignas
258	// CHECK-NO-11: no_alignas
259
260	#if __has_feature(cxx_alignof)
261	int has_alignof();
262	#else
263	int no_alignof();
264	#endif
265
266	// CHECK-1Z: has_alignof
267	// CHECK-14: has_alignof
268	// CHECK-11: has_alignof
269	// CHECK-NO-11: no_alignof
270
271	#if __has_feature(cxx_raw_string_literals)
272	int has_raw_string_literals();
273	#else
274	int no_raw_string_literals();
275	#endif
276
277	// CHECK-1Z: has_raw_string_literals
278	// CHECK-14: has_raw_string_literals
279	// CHECK-11: has_raw_string_literals
280	// CHECK-NO-11: no_raw_string_literals
281
282	#if __has_feature(cxx_unicode_literals)
283	int has_unicode_literals();
284	#else
285	int no_unicode_literals();
286	#endif
287
288	// CHECK-1Z: has_unicode_literals
289	// CHECK-14: has_unicode_literals
290	// CHECK-11: has_unicode_literals
291	// CHECK-NO-11: no_unicode_literals
292
293	#if __has_feature(cxx_constexpr)
294	int has_constexpr();
295	#else
296	int no_constexpr();
297	#endif
298
299	// CHECK-1Z: has_constexpr
300	// CHECK-14: has_constexpr
301	// CHECK-11: has_constexpr
302	// CHECK-NO-11: no_constexpr
303
304	#if __has_feature(cxx_constexpr_string_builtins)
305	int has_constexpr_string_builtins();
306	#else
307	int no_constexpr_string_builtins();
308	#endif
309
310	// CHECK-1Z: has_constexpr_string_builtins
311	// CHECK-14: has_constexpr_string_builtins
312	// CHECK-11: has_constexpr_string_builtins
313	// CHECK-NO-11: no_constexpr_string_builtins
314
315	#if __has_feature(cxx_generalized_initializers)
316	int has_generalized_initializers();
317	#else
318	int no_generalized_initializers();
319	#endif
320
321	// CHECK-1Z: has_generalized_initializers
322	// CHECK-14: has_generalized_initializers
323	// CHECK-11: has_generalized_initializers
324	// CHECK-NO-11: no_generalized_initializers
325
326	#if __has_feature(cxx_unrestricted_unions)
327	int has_unrestricted_unions();
328	#else
329	int no_unrestricted_unions();
330	#endif
331
332	// CHECK-1Z: has_unrestricted_unions
333	// CHECK-14: has_unrestricted_unions
334	// CHECK-11: has_unrestricted_unions
335	// CHECK-NO-11: no_unrestricted_unions
336
337	#if __has_feature(cxx_user_literals)
338	int has_user_literals();
339	#else
340	int no_user_literals();
341	#endif
342
343	// CHECK-1Z: has_user_literals
344	// CHECK-14: has_user_literals
345	// CHECK-11: has_user_literals
346	// CHECK-NO-11: no_user_literals
347
348	#if __has_feature(cxx_local_type_template_args)
349	int has_local_type_template_args();
350	#else
351	int no_local_type_template_args();
352	#endif
353
354	// CHECK-1Z: has_local_type_template_args
355	// CHECK-14: has_local_type_template_args
356	// CHECK-11: has_local_type_template_args
357	// CHECK-NO-11: no_local_type_template_args
358
359	#if __has_feature(cxx_inheriting_constructors)
360	int has_inheriting_constructors();
361	#else
362	int no_inheriting_constructors();
363	#endif
364
365	// CHECK-1Z: has_inheriting_constructors
366	// CHECK-14: has_inheriting_constructors
367	// CHECK-11: has_inheriting_constructors
368	// CHECK-NO-11: no_inheriting_constructors
369
370	#if __has_feature(cxx_thread_local)
371	int has_thread_local();
372	#else
373	int no_thread_local();
374	#endif
375
376	// CHECK-1Z: has_thread_local
377	// CHECK-14: has_thread_local
378	// CHECK-11: has_thread_local
379	// CHECK-NO-11: no_thread_local
380	// CHECK-NO-TLS: no_thread_local
381
382	// === C++14 features ===
383
384	#if __has_feature(cxx_binary_literals)
385	int has_binary_literals();
386	#else
387	int no_binary_literals();
388	#endif
389
390	// CHECK-1Z: has_binary_literals
391	// CHECK-14: has_binary_literals
392	// CHECK-11: no_binary_literals
393	// CHECK-NO-11: no_binary_literals
394
395	#if __has_feature(cxx_aggregate_nsdmi)
396	int has_aggregate_nsdmi();
397	#else
398	int no_aggregate_nsdmi();
399	#endif
400
401	// CHECK-1Z: has_aggregate_nsdmi
402	// CHECK-14: has_aggregate_nsdmi
403	// CHECK-11: no_aggregate_nsdmi
404	// CHECK-NO-11: no_aggregate_nsdmi
405
406	#if __has_feature(cxx_return_type_deduction)
407	int has_return_type_deduction();
408	#else
409	int no_return_type_deduction();
410	#endif
411
412	// CHECK-1Z: has_return_type_deduction
413	// CHECK-14: has_return_type_deduction
414	// CHECK-11: no_return_type_deduction
415	// CHECK-NO-11: no_return_type_deduction
416
417	#if __has_feature(cxx_contextual_conversions)
418	int has_contextual_conversions();
419	#else
420	int no_contextual_conversions();
421	#endif
422
423	// CHECK-1Z: has_contextual_conversions
424	// CHECK-14: has_contextual_conversions
425	// CHECK-11: no_contextual_conversions
426	// CHECK-NO-11: no_contextual_conversions
427
428	#if __has_feature(cxx_relaxed_constexpr)
429	int has_relaxed_constexpr();
430	#else
431	int no_relaxed_constexpr();
432	#endif
433
434	// CHECK-1Z: has_relaxed_constexpr
435	// CHECK-14: has_relaxed_constexpr
436	// CHECK-11: no_relaxed_constexpr
437	// CHECK-NO-11: no_relaxed_constexpr
438
439	#if __has_feature(cxx_variable_templates)
440	int has_variable_templates();
441	#else
442	int no_variable_templates();
443	#endif
444
445	// CHECK-1Z: has_variable_templates
446	// CHECK-14: has_variable_templates
447	// CHECK-11: no_variable_templates
448	// CHECK-NO-11: no_variable_templates
449
450	#if __has_feature(cxx_init_captures)
451	int has_init_captures();
452	#else
453	int no_init_captures();
454	#endif
455
456	// CHECK-1Z: has_init_captures
457	// CHECK-14: has_init_captures
458	// CHECK-11: no_init_captures
459	// CHECK-NO-11: no_init_captures
460
461	#if __has_feature(cxx_decltype_auto)
462	int has_decltype_auto();
463	#else
464	int no_decltype_auto();
465	#endif
466
467	// CHECK-1Z: has_decltype_auto
468	// CHECK-14: has_decltype_auto
469	// CHECK-11: no_decltype_auto
470	// CHECK-NO-11: no_decltype_auto
471
472	#if __has_feature(cxx_generic_lambdas)
473	int has_generic_lambdas();
474	#else
475	int no_generic_lambdas();
476	#endif
477
478	// CHECK-1Z: has_generic_lambdas
479	// CHECK-14: has_generic_lambdas
480	// CHECK-11: no_generic_lambdas
481	// CHECK-NO-11: no_generic_lambdas
482

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