aboutsummaryrefslogtreecommitdiffstats
path: root/include/clang/Basic/Features.def
blob: 7081c02e83eac9171ad11b480dde885fccdc2e57 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
//===--- Features.def - Features and Extensions database --------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
//
// This file defines features exposed via __has_feature and extensions exposed
// via __has_extension. Users of this file must either define the FEATURE or
// EXTENSION macros (or both) to make use of this information. Note that these
// macros expect the following declarations to be available for the Predicate:
//
//   const LangOptions &LangOpts;
//   const Preprocessor &PP;
//
// The Predicate field dictates the conditions under which the feature or
// extension will be made available.
//
// FEATURE(...) should be used to advertise support for standard language
// features, whereas EXTENSION(...) should be used for clang extensions. Note
// that many of the identifiers in this file don't follow this rule for backward
// compatibility reasons.
//
//===----------------------------------------------------------------------===//

#if !defined(FEATURE) && !defined(EXTENSION)
#  error Define either the FEATURE or EXTENSION macro to handle features
#endif

#ifndef FEATURE
#define FEATURE(Name, Predicate)
#endif

#ifndef EXTENSION
#define EXTENSION(Name, Predicate)
#endif

FEATURE(address_sanitizer,
        LangOpts.Sanitize.hasOneOf(SanitizerKind::Address |
                                   SanitizerKind::KernelAddress))
FEATURE(hwaddress_sanitizer,
        LangOpts.Sanitize.hasOneOf(SanitizerKind::HWAddress |
                                   SanitizerKind::KernelHWAddress))
FEATURE(memtag_sanitizer, LangOpts.Sanitize.has(SanitizerKind::MemTag))
FEATURE(xray_instrument, LangOpts.XRayInstrument)
FEATURE(undefined_behavior_sanitizer,
        LangOpts.Sanitize.hasOneOf(SanitizerKind::Undefined))
FEATURE(assume_nonnull, true)
FEATURE(attribute_analyzer_noreturn, true)
FEATURE(attribute_availability, true)
FEATURE(attribute_availability_with_message, true)
FEATURE(attribute_availability_app_extension, true)
FEATURE(attribute_availability_with_version_underscores, true)
FEATURE(attribute_availability_tvos, true)
FEATURE(attribute_availability_watchos, true)
FEATURE(attribute_availability_with_strict, true)
FEATURE(attribute_availability_with_replacement, true)
FEATURE(attribute_availability_in_templates, true)
FEATURE(attribute_availability_swift, true)
FEATURE(attribute_cf_returns_not_retained, true)
FEATURE(attribute_cf_returns_retained, true)
FEATURE(attribute_cf_returns_on_parameters, true)
FEATURE(attribute_deprecated_with_message, true)
FEATURE(attribute_deprecated_with_replacement, true)
FEATURE(attribute_ext_vector_type, true)
FEATURE(attribute_ns_returns_not_retained, true)
FEATURE(attribute_ns_returns_retained, true)
FEATURE(attribute_ns_consumes_self, true)
FEATURE(attribute_ns_consumed, true)
FEATURE(attribute_cf_consumed, true)
FEATURE(attribute_objc_ivar_unused, true)
FEATURE(attribute_objc_method_family, true)
FEATURE(attribute_overloadable, true)
FEATURE(attribute_unavailable_with_message, true)
FEATURE(attribute_unused_on_fields, true)
FEATURE(attribute_diagnose_if_objc, true)
FEATURE(blocks, LangOpts.Blocks)
FEATURE(c_thread_safety_attributes, true)
FEATURE(cxx_exceptions, LangOpts.CXXExceptions)
FEATURE(cxx_rtti, LangOpts.RTTI &&LangOpts.RTTIData)
FEATURE(enumerator_attributes, true)
FEATURE(nullability, true)
FEATURE(nullability_on_arrays, true)
FEATURE(memory_sanitizer,
        LangOpts.Sanitize.hasOneOf(SanitizerKind::Memory |
                                   SanitizerKind::KernelMemory))
FEATURE(thread_sanitizer, LangOpts.Sanitize.has(SanitizerKind::Thread))
FEATURE(dataflow_sanitizer, LangOpts.Sanitize.has(SanitizerKind::DataFlow))
FEATURE(scudo, LangOpts.Sanitize.hasOneOf(SanitizerKind::Scudo))
// Objective-C features
FEATURE(objc_arr, LangOpts.ObjCAutoRefCount) // FIXME: REMOVE?
FEATURE(objc_arc, LangOpts.ObjCAutoRefCount)
FEATURE(objc_arc_fields, true)
FEATURE(objc_arc_weak, LangOpts.ObjCWeak)
FEATURE(objc_default_synthesize_properties, LangOpts.ObjC)
FEATURE(objc_fixed_enum, LangOpts.ObjC)
FEATURE(objc_instancetype, LangOpts.ObjC)
FEATURE(objc_kindof, LangOpts.ObjC)
FEATURE(objc_modules, LangOpts.ObjC && LangOpts.Modules)
FEATURE(objc_nonfragile_abi, LangOpts.ObjCRuntime.isNonFragile())
FEATURE(objc_property_explicit_atomic, true)
FEATURE(objc_protocol_qualifier_mangling, true)
FEATURE(objc_weak_class, LangOpts.ObjCRuntime.hasWeakClassImport())
FEATURE(ownership_holds, true)
FEATURE(ownership_returns, true)
FEATURE(ownership_takes, true)
FEATURE(objc_bool, true)
FEATURE(objc_subscripting, LangOpts.ObjCRuntime.isNonFragile())
FEATURE(objc_array_literals, LangOpts.ObjC)
FEATURE(objc_dictionary_literals, LangOpts.ObjC)
FEATURE(objc_boxed_expressions, LangOpts.ObjC)
FEATURE(objc_boxed_nsvalue_expressions, LangOpts.ObjC)
FEATURE(arc_cf_code_audited, true)
FEATURE(objc_bridge_id, true)
FEATURE(objc_bridge_id_on_typedefs, true)
FEATURE(objc_generics, LangOpts.ObjC)
FEATURE(objc_generics_variance, LangOpts.ObjC)
FEATURE(objc_class_property, LangOpts.ObjC)
FEATURE(objc_c_static_assert, LangOpts.C11)
FEATURE(objc_cxx_static_assert, LangOpts.CPlusPlus11)
EXTENSION(objc_c_static_assert, true)
// C11 features
FEATURE(c_alignas, LangOpts.C11)
FEATURE(c_alignof, LangOpts.C11)
FEATURE(c_atomic, LangOpts.C11)
FEATURE(c_generic_selections, LangOpts.C11)
FEATURE(c_static_assert, LangOpts.C11)
FEATURE(c_thread_local, LangOpts.C11 &&PP.getTargetInfo().isTLSSupported())
// C++11 features
FEATURE(cxx_access_control_sfinae, LangOpts.CPlusPlus11)
FEATURE(cxx_alias_templates, LangOpts.CPlusPlus11)
FEATURE(cxx_alignas, LangOpts.CPlusPlus11)
FEATURE(cxx_alignof, LangOpts.CPlusPlus11)
FEATURE(cxx_atomic, LangOpts.CPlusPlus11)
FEATURE(cxx_attributes, LangOpts.CPlusPlus11)
FEATURE(cxx_auto_type, LangOpts.CPlusPlus11)
FEATURE(cxx_constexpr, LangOpts.CPlusPlus11)
FEATURE(cxx_constexpr_string_builtins, LangOpts.CPlusPlus11)
FEATURE(cxx_decltype, LangOpts.CPlusPlus11)
FEATURE(cxx_decltype_incomplete_return_types, LangOpts.CPlusPlus11)
FEATURE(cxx_default_function_template_args, LangOpts.CPlusPlus11)
FEATURE(cxx_defaulted_functions, LangOpts.CPlusPlus11)
FEATURE(cxx_delegating_constructors, LangOpts.CPlusPlus11)
FEATURE(cxx_deleted_functions, LangOpts.CPlusPlus11)
FEATURE(cxx_explicit_conversions, LangOpts.CPlusPlus11)
FEATURE(cxx_generalized_initializers, LangOpts.CPlusPlus11)
FEATURE(cxx_implicit_moves, LangOpts.CPlusPlus11)
FEATURE(cxx_inheriting_constructors, LangOpts.CPlusPlus11)
FEATURE(cxx_inline_namespaces, LangOpts.CPlusPlus11)
FEATURE(cxx_lambdas, LangOpts.CPlusPlus11)
FEATURE(cxx_local_type_template_args, LangOpts.CPlusPlus11)
FEATURE(cxx_nonstatic_member_init, LangOpts.CPlusPlus11)
FEATURE(cxx_noexcept, LangOpts.CPlusPlus11)
FEATURE(cxx_nullptr, LangOpts.CPlusPlus11)
FEATURE(cxx_override_control, LangOpts.CPlusPlus11)
FEATURE(cxx_range_for, LangOpts.CPlusPlus11)
FEATURE(cxx_raw_string_literals, LangOpts.CPlusPlus11)
FEATURE(cxx_reference_qualified_functions, LangOpts.CPlusPlus11)
FEATURE(cxx_rvalue_references, LangOpts.CPlusPlus11)
FEATURE(cxx_strong_enums, LangOpts.CPlusPlus11)
FEATURE(cxx_static_assert, LangOpts.CPlusPlus11)
FEATURE(cxx_thread_local,
        LangOpts.CPlusPlus11 &&PP.getTargetInfo().isTLSSupported())
FEATURE(cxx_trailing_return, LangOpts.CPlusPlus11)
FEATURE(cxx_unicode_literals, LangOpts.CPlusPlus11)
FEATURE(cxx_unrestricted_unions, LangOpts.CPlusPlus11)
FEATURE(cxx_user_literals, LangOpts.CPlusPlus11)
FEATURE(cxx_variadic_templates, LangOpts.CPlusPlus11)
// C++14 features
FEATURE(cxx_aggregate_nsdmi, LangOpts.CPlusPlus14)
FEATURE(cxx_binary_literals, LangOpts.CPlusPlus14)
FEATURE(cxx_contextual_conversions, LangOpts.CPlusPlus14)
FEATURE(cxx_decltype_auto, LangOpts.CPlusPlus14)
FEATURE(cxx_generic_lambdas, LangOpts.CPlusPlus14)
FEATURE(cxx_init_captures, LangOpts.CPlusPlus14)
FEATURE(cxx_relaxed_constexpr, LangOpts.CPlusPlus14)
FEATURE(cxx_return_type_deduction, LangOpts.CPlusPlus14)
FEATURE(cxx_variable_templates, LangOpts.CPlusPlus14)
// NOTE: For features covered by SD-6, it is preferable to provide *only*
// the SD-6 macro and not a __has_feature check.

// C++ TSes
// FEATURE(cxx_runtime_arrays, LangOpts.CPlusPlusTSArrays)
// FEATURE(cxx_concepts, LangOpts.CPlusPlusTSConcepts)
// FIXME: Should this be __has_feature or __has_extension?
// FEATURE(raw_invocation_type, LangOpts.CPlusPlus)
// Type traits
// N.B. Additional type traits should not be added to the following list.
// Instead, they should be detected by has_extension.
FEATURE(has_nothrow_assign, LangOpts.CPlusPlus)
FEATURE(has_nothrow_copy, LangOpts.CPlusPlus)
FEATURE(has_nothrow_constructor, LangOpts.CPlusPlus)
FEATURE(has_trivial_assign, LangOpts.CPlusPlus)
FEATURE(has_trivial_copy, LangOpts.CPlusPlus)
FEATURE(has_trivial_constructor, LangOpts.CPlusPlus)
FEATURE(has_trivial_destructor, LangOpts.CPlusPlus)
FEATURE(has_virtual_destructor, LangOpts.CPlusPlus)
FEATURE(is_abstract, LangOpts.CPlusPlus)
FEATURE(is_base_of, LangOpts.CPlusPlus)
FEATURE(is_class, LangOpts.CPlusPlus)
FEATURE(is_constructible, LangOpts.CPlusPlus)
FEATURE(is_convertible_to, LangOpts.CPlusPlus)
FEATURE(is_empty, LangOpts.CPlusPlus)
FEATURE(is_enum, LangOpts.CPlusPlus)
FEATURE(is_final, LangOpts.CPlusPlus)
FEATURE(is_literal, LangOpts.CPlusPlus)
FEATURE(is_standard_layout, LangOpts.CPlusPlus)
FEATURE(is_pod, LangOpts.CPlusPlus)
FEATURE(is_polymorphic, LangOpts.CPlusPlus)
FEATURE(is_sealed, LangOpts.CPlusPlus &&LangOpts.MicrosoftExt)
FEATURE(is_trivial, LangOpts.CPlusPlus)
FEATURE(is_trivially_assignable, LangOpts.CPlusPlus)
FEATURE(is_trivially_constructible, LangOpts.CPlusPlus)
FEATURE(is_trivially_copyable, LangOpts.CPlusPlus)
FEATURE(is_union, LangOpts.CPlusPlus)
FEATURE(modules, LangOpts.Modules)
FEATURE(safe_stack, LangOpts.Sanitize.has(SanitizerKind::SafeStack))
FEATURE(shadow_call_stack,
        LangOpts.Sanitize.has(SanitizerKind::ShadowCallStack))
FEATURE(tls, PP.getTargetInfo().isTLSSupported())
FEATURE(underlying_type, LangOpts.CPlusPlus)

// C11 features supported by other languages as extensions.
EXTENSION(c_alignas, true)
EXTENSION(c_alignof, true)
EXTENSION(c_atomic, true)
EXTENSION(c_generic_selections, true)
EXTENSION(c_static_assert, true)
EXTENSION(c_thread_local, PP.getTargetInfo().isTLSSupported())
// C++11 features supported by other languages as extensions.
EXTENSION(cxx_atomic, LangOpts.CPlusPlus)
EXTENSION(cxx_deleted_functions, LangOpts.CPlusPlus)
EXTENSION(cxx_explicit_conversions, LangOpts.CPlusPlus)
EXTENSION(cxx_inline_namespaces, LangOpts.CPlusPlus)
EXTENSION(cxx_local_type_template_args, LangOpts.CPlusPlus)
EXTENSION(cxx_nonstatic_member_init, LangOpts.CPlusPlus)
EXTENSION(cxx_override_control, LangOpts.CPlusPlus)
EXTENSION(cxx_range_for, LangOpts.CPlusPlus)
EXTENSION(cxx_reference_qualified_functions, LangOpts.CPlusPlus)
EXTENSION(cxx_rvalue_references, LangOpts.CPlusPlus)
EXTENSION(cxx_variadic_templates, LangOpts.CPlusPlus)
EXTENSION(cxx_fixed_enum, true)
// C++14 features supported by other languages as extensions.
EXTENSION(cxx_binary_literals, true)
EXTENSION(cxx_init_captures, LangOpts.CPlusPlus11)
EXTENSION(cxx_variable_templates, LangOpts.CPlusPlus)
// Miscellaneous language extensions
EXTENSION(overloadable_unmarked, true)
EXTENSION(pragma_clang_attribute_namespaces, true)
EXTENSION(pragma_clang_attribute_external_declaration, true)
EXTENSION(gnu_asm, LangOpts.GNUAsm)

#undef EXTENSION
#undef FEATURE