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
|
//===--- PrimitiveTypeMapping.cpp - Mapping primitive types -----*- C++ -*-===//
//
// This source file is part of the Swift.org open source project
//
// Copyright (c) 2014 - 2022 Apple Inc. and the Swift project authors
// Licensed under Apache License v2.0 with Runtime Library Exception
//
// See https://swift.org/LICENSE.txt for license information
// See https://swift.org/CONTRIBUTORS.txt for the list of Swift project authors
//
//===----------------------------------------------------------------------===//
#include "PrimitiveTypeMapping.h"
#include "swift/AST/ASTContext.h"
#include "swift/AST/Decl.h"
#include "swift/AST/Module.h"
#include "swift/ClangImporter/ClangImporter.h"
using namespace swift;
void PrimitiveTypeMapping::initialize(ASTContext &ctx) {
assert(mappedTypeNames.empty() && "expected empty type map");
#define MAP(SWIFT_NAME, CLANG_REPR, NEEDS_NULLABILITY) \
mappedTypeNames[{ctx.StdlibModuleName, ctx.getIdentifier(#SWIFT_NAME)}] = { \
CLANG_REPR, std::optional<StringRef>(CLANG_REPR), \
std::optional<StringRef>(CLANG_REPR), NEEDS_NULLABILITY}
#define MAP_C(SWIFT_NAME, OBJC_REPR, C_REPR, NEEDS_NULLABILITY) \
mappedTypeNames[{ctx.StdlibModuleName, ctx.getIdentifier(#SWIFT_NAME)}] = { \
OBJC_REPR, std::optional<StringRef>(C_REPR), \
std::optional<StringRef>(C_REPR), NEEDS_NULLABILITY}
#define MAP_CXX(SWIFT_NAME, OBJC_REPR, C_REPR, CXX_REPR, NEEDS_NULLABILITY) \
mappedTypeNames[{ctx.StdlibModuleName, ctx.getIdentifier(#SWIFT_NAME)}] = { \
OBJC_REPR, std::optional<StringRef>(C_REPR), \
std::optional<StringRef>(CXX_REPR), NEEDS_NULLABILITY}
MAP(CBool, "bool", false);
MAP(CChar, "char", false);
MAP(CWideChar, "wchar_t", false);
MAP(CChar16, "char16_t", false);
MAP(CChar32, "char32_t", false);
MAP(CSignedChar, "signed char", false);
MAP(CShort, "short", false);
MAP(CInt, "int", false);
MAP(CLong, "long", false);
MAP(CLongLong, "long long", false);
MAP(CUnsignedChar, "unsigned char", false);
MAP(CUnsignedShort, "unsigned short", false);
MAP(CUnsignedInt, "unsigned int", false);
MAP(CUnsignedLong, "unsigned long", false);
MAP(CUnsignedLongLong, "unsigned long long", false);
MAP(CFloat, "float", false);
MAP(CDouble, "double", false);
MAP(Int8, "int8_t", false);
MAP(Int16, "int16_t", false);
MAP(Int32, "int32_t", false);
MAP(Int64, "int64_t", false);
MAP(UInt8, "uint8_t", false);
MAP(UInt16, "uint16_t", false);
MAP(UInt32, "uint32_t", false);
MAP(UInt64, "uint64_t", false);
MAP(Float, "float", false);
MAP(Double, "double", false);
MAP(Float32, "float", false);
MAP(Float64, "double", false);
MAP_CXX(Int, "NSInteger", "ptrdiff_t", "swift::Int", false);
MAP_CXX(UInt, "NSUInteger", "size_t", "swift::UInt", false);
MAP_C(Bool, "BOOL", "bool", false);
MAP(OpaquePointer, "void *", true);
MAP(UnsafeRawPointer, "void const *", true);
MAP(UnsafeMutableRawPointer, "void *", true);
Identifier ID_ObjectiveC = ctx.Id_ObjectiveC;
mappedTypeNames[{ID_ObjectiveC, ctx.getIdentifier("ObjCBool")}] = {
"BOOL", std::nullopt, std::nullopt, false};
mappedTypeNames[{ID_ObjectiveC, ctx.getIdentifier("Selector")}] = {
"SEL", std::nullopt, std::nullopt, true};
mappedTypeNames[{ID_ObjectiveC, ctx.getIdentifier(swift::getSwiftName(
KnownFoundationEntity::NSZone))}] = {
"struct _NSZone *", std::nullopt, std::nullopt, true};
mappedTypeNames[{ctx.Id_Darwin, ctx.getIdentifier("DarwinBoolean")}] = {
"Boolean", std::nullopt, std::nullopt, false};
mappedTypeNames[{ctx.Id_CoreGraphics, ctx.Id_CGFloat}] = {
"CGFloat", std::nullopt, std::nullopt, false};
mappedTypeNames[{ctx.Id_CoreFoundation, ctx.Id_CGFloat}] = {
"CGFloat", std::nullopt, std::nullopt, false};
// Use typedefs we set up for SIMD vector types.
#define MAP_SIMD_TYPE(BASENAME, _, __) \
StringRef simd2##BASENAME = "swift_" #BASENAME "2"; \
mappedTypeNames[{ctx.Id_simd, ctx.getIdentifier(#BASENAME "2")}] = { \
simd2##BASENAME, simd2##BASENAME, simd2##BASENAME, false}; \
StringRef simd3##BASENAME = "swift_" #BASENAME "3"; \
mappedTypeNames[{ctx.Id_simd, ctx.getIdentifier(#BASENAME "3")}] = { \
simd3##BASENAME, simd3##BASENAME, simd3##BASENAME, false}; \
StringRef simd4##BASENAME = "swift_" #BASENAME "4"; \
mappedTypeNames[{ctx.Id_simd, ctx.getIdentifier(#BASENAME "4")}] = { \
simd4##BASENAME, simd4##BASENAME, simd4##BASENAME, false};
#include "swift/ClangImporter/SIMDMappedTypes.def"
static_assert(SWIFT_MAX_IMPORTED_SIMD_ELEMENTS == 4,
"must add or remove special name mappings if max number of "
"SIMD elements is changed");
}
PrimitiveTypeMapping::FullClangTypeInfo *
PrimitiveTypeMapping::getMappedTypeInfoOrNull(const TypeDecl *typeDecl) {
if (mappedTypeNames.empty())
initialize(typeDecl->getASTContext());
Identifier moduleName = typeDecl->getModuleContext()->getName();
Identifier name = typeDecl->getName();
auto iter = mappedTypeNames.find({moduleName, name});
if (iter == mappedTypeNames.end())
return nullptr;
return &iter->second;
}
std::optional<PrimitiveTypeMapping::ClangTypeInfo>
PrimitiveTypeMapping::getKnownObjCTypeInfo(const TypeDecl *typeDecl) {
if (auto *typeInfo = getMappedTypeInfoOrNull(typeDecl))
return ClangTypeInfo{typeInfo->objcName, typeInfo->canBeNullable};
return std::nullopt;
}
std::optional<PrimitiveTypeMapping::ClangTypeInfo>
PrimitiveTypeMapping::getKnownCTypeInfo(const TypeDecl *typeDecl) {
if (auto *typeInfo = getMappedTypeInfoOrNull(typeDecl)) {
if (typeInfo->cName)
return ClangTypeInfo{*typeInfo->cName, typeInfo->canBeNullable};
}
return std::nullopt;
}
std::optional<PrimitiveTypeMapping::ClangTypeInfo>
PrimitiveTypeMapping::getKnownCxxTypeInfo(const TypeDecl *typeDecl) {
if (auto *typeInfo = getMappedTypeInfoOrNull(typeDecl)) {
if (typeInfo->cxxName)
return ClangTypeInfo{*typeInfo->cxxName, typeInfo->canBeNullable};
}
return std::nullopt;
}
|
