1 //===--- TypeTraits.cpp - Type Traits Support -----------------------------===//
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 // This file implements the type traits support functions.
10 //
11 //===----------------------------------------------------------------------===//
12
13 #include "clang/Basic/TypeTraits.h"
14 #include "llvm/Support/ErrorHandling.h"
15 #include <cassert>
16 using namespace clang;
17
18 static constexpr const char *TypeTraitNames[] = {
19 #define TYPE_TRAIT_1(Spelling, Name, Key) #Name,
20 #include "clang/Basic/TokenKinds.def"
21 #define TYPE_TRAIT_2(Spelling, Name, Key) #Name,
22 #include "clang/Basic/TokenKinds.def"
23 #define TYPE_TRAIT_N(Spelling, Name, Key) #Name,
24 #include "clang/Basic/TokenKinds.def"
25 };
26
27 static constexpr const char *TypeTraitSpellings[] = {
28 #define TYPE_TRAIT_1(Spelling, Name, Key) #Spelling,
29 #include "clang/Basic/TokenKinds.def"
30 #define TYPE_TRAIT_2(Spelling, Name, Key) #Spelling,
31 #include "clang/Basic/TokenKinds.def"
32 #define TYPE_TRAIT_N(Spelling, Name, Key) #Spelling,
33 #include "clang/Basic/TokenKinds.def"
34 };
35
36 static constexpr const char *ArrayTypeTraitNames[] = {
37 #define ARRAY_TYPE_TRAIT(Spelling, Name, Key) #Name,
38 #include "clang/Basic/TokenKinds.def"
39 };
40
41 static constexpr const char *ArrayTypeTraitSpellings[] = {
42 #define ARRAY_TYPE_TRAIT(Spelling, Name, Key) #Spelling,
43 #include "clang/Basic/TokenKinds.def"
44 };
45
46 static constexpr const char *UnaryExprOrTypeTraitNames[] = {
47 #define UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) #Name,
48 #define CXX11_UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) #Name,
49 #include "clang/Basic/TokenKinds.def"
50 };
51
52 static constexpr const char *UnaryExprOrTypeTraitSpellings[] = {
53 #define UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) #Spelling,
54 #define CXX11_UNARY_EXPR_OR_TYPE_TRAIT(Spelling, Name, Key) #Spelling,
55 #include "clang/Basic/TokenKinds.def"
56 };
57
getTraitName(TypeTrait T)58 const char *clang::getTraitName(TypeTrait T) {
59 assert(T <= TT_Last && "invalid enum value!");
60 return TypeTraitNames[T];
61 }
62
getTraitName(ArrayTypeTrait T)63 const char *clang::getTraitName(ArrayTypeTrait T) {
64 assert(T <= ATT_Last && "invalid enum value!");
65 return ArrayTypeTraitNames[T];
66 }
67
getTraitName(UnaryExprOrTypeTrait T)68 const char *clang::getTraitName(UnaryExprOrTypeTrait T) {
69 assert(T <= UETT_Last && "invalid enum value!");
70 return UnaryExprOrTypeTraitNames[T];
71 }
72
getTraitSpelling(TypeTrait T)73 const char *clang::getTraitSpelling(TypeTrait T) {
74 assert(T <= TT_Last && "invalid enum value!");
75 return TypeTraitSpellings[T];
76 }
77
getTraitSpelling(ArrayTypeTrait T)78 const char *clang::getTraitSpelling(ArrayTypeTrait T) {
79 assert(T <= ATT_Last && "invalid enum value!");
80 return ArrayTypeTraitSpellings[T];
81 }
82
getTraitSpelling(UnaryExprOrTypeTrait T)83 const char *clang::getTraitSpelling(UnaryExprOrTypeTrait T) {
84 assert(T <= UETT_Last && "invalid enum value!");
85 return UnaryExprOrTypeTraitSpellings[T];
86 }
87