123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270 |
- //===--- 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(speculative_load_hardening, LangOpts.SpeculativeLoadHardening)
- FEATURE(address_sanitizer,
- LangOpts.Sanitize.hasOneOf(SanitizerKind::Address |
- SanitizerKind::KernelAddress))
- FEATURE(leak_sanitizer,
- LangOpts.Sanitize.has(SanitizerKind::Leak))
- 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(coverage_sanitizer, LangOpts.SanitizeCoverage)
- 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(nullability_nullable_result, 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))
- FEATURE(swiftasynccc,
- PP.getTargetInfo().checkCallingConvention(CC_SwiftAsync) ==
- clang::TargetInfo::CCCR_OK)
- // 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_builtin.
- 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(statement_attributes_with_gnu_syntax, true)
- EXTENSION(gnu_asm, LangOpts.GNUAsm)
- EXTENSION(gnu_asm_goto_with_outputs, LangOpts.GNUAsm)
- EXTENSION(matrix_types, LangOpts.MatrixTypes)
- EXTENSION(matrix_types_scalar_division, true)
- EXTENSION(cxx_attributes_on_using_declarations, LangOpts.CPlusPlus11)
- FEATURE(cxx_abi_relative_vtable, LangOpts.CPlusPlus && LangOpts.RelativeCXXABIVTables)
- #undef EXTENSION
- #undef FEATURE
|