1//===--- TypeTraits.h - C++ Type Traits Support Enumerations ----*- C++ -*-===//
2//
3// The LLVM Compiler Infrastructure
4//
5// This file is distributed under the University of Illinois Open Source
6// License. See LICENSE.TXT for details.
7//
8//===----------------------------------------------------------------------===//
9///
10/// \file
11/// Defines enumerations for the type traits support.
12///
13//===----------------------------------------------------------------------===//
14
15#ifndef LLVM_CLANG_BASIC_TYPETRAITS_H
16#define LLVM_CLANG_BASIC_TYPETRAITS_H
17
18namespace clang {
19
20 /// Names for traits that operate specifically on types.
21 enum TypeTrait {
22 UTT_HasNothrowAssign,
23 UTT_HasNothrowMoveAssign,
24 UTT_HasNothrowCopy,
25 UTT_HasNothrowConstructor,
26 UTT_HasTrivialAssign,
27 UTT_HasTrivialMoveAssign,
28 UTT_HasTrivialCopy,
29 UTT_HasTrivialDefaultConstructor,
30 UTT_HasTrivialMoveConstructor,
31 UTT_HasTrivialDestructor,
32 UTT_HasVirtualDestructor,
33 UTT_IsAbstract,
34 UTT_IsAggregate,
35 UTT_IsArithmetic,
36 UTT_IsArray,
37 UTT_IsClass,
38 UTT_IsCompleteType,
39 UTT_IsCompound,
40 UTT_IsConst,
41 UTT_IsDestructible,
42 UTT_IsEmpty,
43 UTT_IsEnum,
44 UTT_IsFinal,
45 UTT_IsFloatingPoint,
46 UTT_IsFunction,
47 UTT_IsFundamental,
48 UTT_IsIntegral,
49 UTT_IsInterfaceClass,
50 UTT_IsLiteral,
51 UTT_IsLvalueReference,
52 UTT_IsMemberFunctionPointer,
53 UTT_IsMemberObjectPointer,
54 UTT_IsMemberPointer,
55 UTT_IsNothrowDestructible,
56 UTT_IsObject,
57 UTT_IsPOD,
58 UTT_IsPointer,
59 UTT_IsPolymorphic,
60 UTT_IsReference,
61 UTT_IsRvalueReference,
62 UTT_IsScalar,
63 UTT_IsSealed,
64 UTT_IsSigned,
65 UTT_IsStandardLayout,
66 UTT_IsTrivial,
67 UTT_IsTriviallyCopyable,
68 UTT_IsTriviallyDestructible,
69 UTT_IsUnion,
70 UTT_IsUnsigned,
71 UTT_IsVoid,
72 UTT_IsVolatile,
73 UTT_HasUniqueObjectRepresentations,
74 UTT_Last = UTT_HasUniqueObjectRepresentations,
75 BTT_IsBaseOf,
76 BTT_IsConvertible,
77 BTT_IsConvertibleTo,
78 BTT_IsSame,
79 BTT_TypeCompatible,
80 BTT_IsAssignable,
81 BTT_IsNothrowAssignable,
82 BTT_IsTriviallyAssignable,
83 BTT_ReferenceBindsToTemporary,
84 BTT_Last = BTT_ReferenceBindsToTemporary,
85 TT_IsConstructible,
86 TT_IsNothrowConstructible,
87 TT_IsTriviallyConstructible
88 };
89
90 /// Names for the array type traits.
91 enum ArrayTypeTrait {
92 ATT_ArrayRank,
93 ATT_ArrayExtent
94 };
95
96 /// Names for the "expression or type" traits.
97 enum UnaryExprOrTypeTrait {
98 UETT_SizeOf,
99 /// Used for C's _Alignof and C++'s alignof.
100 /// _Alignof and alignof return the required ABI alignment.
101 UETT_AlignOf,
102 UETT_VecStep,
103 UETT_OpenMPRequiredSimdAlign,
104 /// Used for GCC's __alignof.
105 /// __alignof returns the preferred alignment of a type, the alignment
106 /// clang will attempt to give an object of the type if allowed by ABI.
107 UETT_PreferredAlignOf,
108 };
109}
110
111#endif
112