TypeTraits.h source code [clang_source_code/include/clang/Basic/TypeTraits.h]

1	//===--- TypeTraits.h - C++ Type Traits Support Enumerations ----- C++ --===//
2	//
3	// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4	// See https://llvm.org/LICENSE.txt for license information.
5	// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6	//
7	//===----------------------------------------------------------------------===//
8	///
9	/// \file
10	/// Defines enumerations for the type traits support.
11	///
12	//===----------------------------------------------------------------------===//
13
14	#ifndef LLVM_CLANG_BASIC_TYPETRAITS_H
15	#define LLVM_CLANG_BASIC_TYPETRAITS_H
16
17	namespace clang {
18
19	/// Names for traits that operate specifically on types.
20	enum TypeTrait {
21	UTT_HasNothrowAssign,
22	UTT_HasNothrowMoveAssign,
23	UTT_HasNothrowCopy,
24	UTT_HasNothrowConstructor,
25	UTT_HasTrivialAssign,
26	UTT_HasTrivialMoveAssign,
27	UTT_HasTrivialCopy,
28	UTT_HasTrivialDefaultConstructor,
29	UTT_HasTrivialMoveConstructor,
30	UTT_HasTrivialDestructor,
31	UTT_HasVirtualDestructor,
32	UTT_IsAbstract,
33	UTT_IsAggregate,
34	UTT_IsArithmetic,
35	UTT_IsArray,
36	UTT_IsClass,
37	UTT_IsCompleteType,
38	UTT_IsCompound,
39	UTT_IsConst,
40	UTT_IsDestructible,
41	UTT_IsEmpty,
42	UTT_IsEnum,
43	UTT_IsFinal,
44	UTT_IsFloatingPoint,
45	UTT_IsFunction,
46	UTT_IsFundamental,
47	UTT_IsIntegral,
48	UTT_IsInterfaceClass,
49	UTT_IsLiteral,
50	UTT_IsLvalueReference,
51	UTT_IsMemberFunctionPointer,
52	UTT_IsMemberObjectPointer,
53	UTT_IsMemberPointer,
54	UTT_IsNothrowDestructible,
55	UTT_IsObject,
56	UTT_IsPOD,
57	UTT_IsPointer,
58	UTT_IsPolymorphic,
59	UTT_IsReference,
60	UTT_IsRvalueReference,
61	UTT_IsScalar,
62	UTT_IsSealed,
63	UTT_IsSigned,
64	UTT_IsStandardLayout,
65	UTT_IsTrivial,
66	UTT_IsTriviallyCopyable,
67	UTT_IsTriviallyDestructible,
68	UTT_IsUnion,
69	UTT_IsUnsigned,
70	UTT_IsVoid,
71	UTT_IsVolatile,
72	UTT_HasUniqueObjectRepresentations,
73	UTT_Last = UTT_HasUniqueObjectRepresentations,
74	BTT_IsBaseOf,
75	BTT_IsConvertible,
76	BTT_IsConvertibleTo,
77	BTT_IsSame,
78	BTT_TypeCompatible,
79	BTT_IsAssignable,
80	BTT_IsNothrowAssignable,
81	BTT_IsTriviallyAssignable,
82	BTT_ReferenceBindsToTemporary,
83	BTT_Last = BTT_ReferenceBindsToTemporary,
84	TT_IsConstructible,
85	TT_IsNothrowConstructible,
86	TT_IsTriviallyConstructible
87	};
88
89	/// Names for the array type traits.
90	enum ArrayTypeTrait {
91	ATT_ArrayRank,
92	ATT_ArrayExtent
93	};
94
95	/// Names for the "expression or type" traits.
96	enum UnaryExprOrTypeTrait {
97	UETT_SizeOf,
98	/// Used for C's _Alignof and C++'s alignof.
99	/// _Alignof and alignof return the required ABI alignment.
100	UETT_AlignOf,
101	UETT_VecStep,
102	UETT_OpenMPRequiredSimdAlign,
103	/// Used for GCC's __alignof.
104	/// __alignof returns the preferred alignment of a type, the alignment
105	/// clang will attempt to give an object of the type if allowed by ABI.
106	UETT_PreferredAlignOf,
107	};
108	}
109
110	#endif
111

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