43#include "llvm/ADT/ArrayRef.h"
44#include "llvm/ADT/STLForwardCompat.h"
45#include "llvm/ADT/SmallPtrSet.h"
46#include "llvm/ADT/SmallString.h"
47#include "llvm/ADT/StringExtras.h"
48#include "llvm/IR/DerivedTypes.h"
49#include "llvm/Support/Casting.h"
50#include "llvm/Support/ErrorHandling.h"
65 if (
D.getContext() != DeclaratorContext::BlockLiteral ||
66 D.getDeclSpec().hasTypeSpecifier())
69 if (
D.getNumTypeObjects() == 0)
72 if (
D.getNumTypeObjects() == 1 &&
84 bool useExpansionLoc =
true;
85 switch (
attr.getKind()) {
86 case ParsedAttr::AT_ObjCGC:
89 case ParsedAttr::AT_ObjCOwnership:
95 useExpansionLoc =
false;
100 StringRef name =
attr.getAttrName()->getName();
105 if (useExpansionLoc && loc.
isMacroID() && II) {
106 if (II->
isStr(
"strong")) {
108 }
else if (II->
isStr(
"weak")) {
113 S.
Diag(loc,
attr.isRegularKeywordAttribute()
114 ? diag::err_type_attribute_wrong_type
115 : diag::warn_type_attribute_wrong_type)
116 << name << WhichType <<
type;
121#define OBJC_POINTER_TYPE_ATTRS_CASELIST \
122 case ParsedAttr::AT_ObjCGC: \
123 case ParsedAttr::AT_ObjCOwnership
126#define CALLING_CONV_ATTRS_CASELIST \
127 case ParsedAttr::AT_CDecl: \
128 case ParsedAttr::AT_FastCall: \
129 case ParsedAttr::AT_StdCall: \
130 case ParsedAttr::AT_ThisCall: \
131 case ParsedAttr::AT_RegCall: \
132 case ParsedAttr::AT_Pascal: \
133 case ParsedAttr::AT_SwiftCall: \
134 case ParsedAttr::AT_SwiftAsyncCall: \
135 case ParsedAttr::AT_VectorCall: \
136 case ParsedAttr::AT_AArch64VectorPcs: \
137 case ParsedAttr::AT_AArch64SVEPcs: \
138 case ParsedAttr::AT_AMDGPUKernelCall: \
139 case ParsedAttr::AT_MSABI: \
140 case ParsedAttr::AT_SysVABI: \
141 case ParsedAttr::AT_Pcs: \
142 case ParsedAttr::AT_IntelOclBicc: \
143 case ParsedAttr::AT_PreserveMost: \
144 case ParsedAttr::AT_PreserveAll: \
145 case ParsedAttr::AT_M68kRTD: \
146 case ParsedAttr::AT_PreserveNone: \
147 case ParsedAttr::AT_RISCVVectorCC
150#define FUNCTION_TYPE_ATTRS_CASELIST \
151 case ParsedAttr::AT_NSReturnsRetained: \
152 case ParsedAttr::AT_NoReturn: \
153 case ParsedAttr::AT_NonBlocking: \
154 case ParsedAttr::AT_NonAllocating: \
155 case ParsedAttr::AT_Blocking: \
156 case ParsedAttr::AT_Allocating: \
157 case ParsedAttr::AT_Regparm: \
158 case ParsedAttr::AT_CmseNSCall: \
159 case ParsedAttr::AT_ArmStreaming: \
160 case ParsedAttr::AT_ArmStreamingCompatible: \
161 case ParsedAttr::AT_ArmPreserves: \
162 case ParsedAttr::AT_ArmIn: \
163 case ParsedAttr::AT_ArmOut: \
164 case ParsedAttr::AT_ArmInOut: \
165 case ParsedAttr::AT_AnyX86NoCallerSavedRegisters: \
166 case ParsedAttr::AT_AnyX86NoCfCheck: \
167 CALLING_CONV_ATTRS_CASELIST
170#define MS_TYPE_ATTRS_CASELIST \
171 case ParsedAttr::AT_Ptr32: \
172 case ParsedAttr::AT_Ptr64: \
173 case ParsedAttr::AT_SPtr: \
174 case ParsedAttr::AT_UPtr
177#define NULLABILITY_TYPE_ATTRS_CASELIST \
178 case ParsedAttr::AT_TypeNonNull: \
179 case ParsedAttr::AT_TypeNullable: \
180 case ParsedAttr::AT_TypeNullableResult: \
181 case ParsedAttr::AT_TypeNullUnspecified
186 class TypeProcessingState {
210 using TypeAttrPair = std::pair<const AttributedType*, const Attr*>;
212 bool AttrsForTypesSorted =
true;
216 llvm::DenseMap<const MacroQualifiedType *, SourceLocation> LocsForMacros;
224 : sema(sema), declarator(declarator),
227 Sema &getSema()
const {
235 bool isProcessingDeclSpec()
const {
239 unsigned getCurrentChunkIndex()
const {
243 void setCurrentChunkIndex(
unsigned idx) {
249 if (isProcessingDeclSpec())
250 return getMutableDeclSpec().getAttributes();
255 void saveDeclSpecAttrs() {
257 if (!savedAttrs.empty())
260 DeclSpec &spec = getMutableDeclSpec();
261 llvm::append_range(savedAttrs,
268 ignoredTypeAttrs.push_back(&
attr);
274 for (
auto *
Attr : ignoredTypeAttrs)
284 AttrsForTypes.push_back({cast<AttributedType>(
T.getTypePtr()), A});
285 AttrsForTypesSorted =
false;
290 QualType getBTFTagAttributedType(
const BTFTypeTagAttr *BTFAttr,
302 auto *NewAttrTy = cast<AttributedType>(
T.getTypePtr());
303 for (TypeAttrPair &A : AttrsForTypes) {
304 if (A.first == AttrTy)
307 AttrsForTypesSorted =
false;
314 if (!AttrsForTypesSorted) {
315 llvm::stable_sort(AttrsForTypes, llvm::less_first());
316 AttrsForTypesSorted =
true;
321 for (
auto It = std::partition_point(
322 AttrsForTypes.begin(), AttrsForTypes.end(),
323 [=](
const TypeAttrPair &A) { return A.first < AT; });
324 It != AttrsForTypes.end() && It->first == AT; ++It) {
326 const Attr *Result = It->second;
327 It->second =
nullptr;
332 llvm_unreachable(
"no Attr* for AttributedType*");
337 auto FoundLoc = LocsForMacros.find(MQT);
338 assert(FoundLoc != LocsForMacros.end() &&
339 "Unable to find macro expansion location for MacroQualifedType");
340 return FoundLoc->second;
345 LocsForMacros[MQT] =
Loc;
348 void setParsedNoDeref(
bool parsed) { parsedNoDeref = parsed; }
350 bool didParseNoDeref()
const {
return parsedNoDeref; }
352 ~TypeProcessingState() {
353 if (savedAttrs.empty())
356 getMutableDeclSpec().getAttributes().clearListOnly();
358 getMutableDeclSpec().getAttributes().addAtEnd(AL);
362 DeclSpec &getMutableDeclSpec()
const {
404 if (
attr.getKind() == ParsedAttr::AT_ObjCGC)
406 assert(
attr.getKind() == ParsedAttr::AT_ObjCOwnership);
421 bool onlyBlockPointers) {
427 for (; i != 0; --i) {
429 switch (fnChunk.
Kind) {
445 for (--i; i != 0; --i) {
447 switch (ptrChunk.
Kind) {
457 if (onlyBlockPointers)
466 llvm_unreachable(
"bad declarator chunk kind");
472 llvm_unreachable(
"bad declarator chunk kind");
489 Declarator &declarator = state.getDeclarator();
492 for (
unsigned i = state.getCurrentChunkIndex(); i != 0; --i) {
494 switch (chunk.
Kind) {
500 if (state.isProcessingDeclSpec() &&
501 attr.getKind() == ParsedAttr::AT_ObjCOwnership)
504 if (!destChunk) destChunk = &chunk;
517 if (state.isProcessingDeclSpec() &&
518 attr.getKind() == ParsedAttr::AT_ObjCOwnership) {
545 Declarator &declarator = state.getDeclarator();
549 unsigned innermost = -1U;
550 bool considerDeclSpec =
true;
553 switch (chunk.
Kind) {
567 considerDeclSpec =
false;
575 if (considerDeclSpec) {
580 state.saveDeclSpecAttrs();
589 if (innermost != -1U) {
597 state.addIgnoredTypeAttr(
attr);
606 Declarator &declarator = state.getDeclarator();
610 for (
unsigned i = state.getCurrentChunkIndex(); i != 0; --i) {
612 switch (chunk.
Kind) {
639 Declarator &declarator = state.getDeclarator();
659 state.saveDeclSpecAttrs();
663 state,
attr, state.getCurrentAttributes(), declSpecType, CFT))
668 state.addIgnoredTypeAttr(
attr);
679 Declarator &declarator = state.getDeclarator();
689 state.addIgnoredTypeAttr(
attr);
714 if (
attr.isStandardAttributeSyntax() ||
attr.isRegularKeywordAttribute())
717 switch (
attr.getKind()) {
734 case ParsedAttr::AT_ObjCKindOf:
747 Declarator &declarator = state.getDeclarator();
793 std::nullopt, loc, loc, declarator));
808 typedef std::pair<DeclSpec::TQ, SourceLocation> QualLoc;
813 if (!(RemoveTQs & Qual.first))
817 if (TypeQuals & Qual.first)
818 S.
Diag(Qual.second, DiagID)
823 TypeQuals &= ~Qual.first;
837 if (AL.isInvalid() || !AL.isTypeAttr())
840 diag::warn_block_literal_attributes_on_omitted_return_type)
842 ToBeRemoved.push_back(&AL);
852 diag::warn_block_literal_qualifiers_on_omitted_return_type);
858static OpenCLAccessAttr::Spelling
861 if (AL.getKind() == ParsedAttr::AT_OpenCLAccess)
862 return static_cast<OpenCLAccessAttr::Spelling
>(AL.getSemanticSpelling());
863 return OpenCLAccessAttr::Keyword_read_only;
869#define TRANSFORM_TYPE_TRAIT_DEF(Enum, Trait) \
871 return UnaryTransformType::Enum;
872#include "clang/Basic/TransformTypeTraits.def"
874 llvm_unreachable(
"attempted to parse a non-unary transform builtin");
888 Sema &S = state.getSema();
889 Declarator &declarator = state.getDeclarator();
909 "Unknown TSS value");
923 "Unknown TSS value");
932 "Unknown TSS value");
937 "Unknown TSS value");
942 "Unknown TSS value");
951 declarator.
getContext() == DeclaratorContext::LambdaExpr) {
955 }
else if (declarator.
getContext() == DeclaratorContext::LambdaExpr ||
970 S.
Diag(DeclLoc, diag::warn_missing_type_specifier)
979 S.
Diag(DeclLoc, diag::err_missing_type_specifier)
988 S.
Diag(DeclLoc, diag::err_missing_actual_pipe_type)
993 "implicit int is disabled?");
994 S.
Diag(DeclLoc, diag::ext_missing_type_specifier)
1004 case TypeSpecifierWidth::Unspecified:
1005 Result = Context.
IntTy;
1007 case TypeSpecifierWidth::Short:
1010 case TypeSpecifierWidth::Long:
1013 case TypeSpecifierWidth::LongLong:
1021 diag::warn_cxx98_compat_longlong : diag::ext_cxx11_longlong);
1029 case TypeSpecifierWidth::Unspecified:
1032 case TypeSpecifierWidth::Short:
1035 case TypeSpecifierWidth::Long:
1038 case TypeSpecifierWidth::LongLong:
1046 diag::warn_cxx98_compat_longlong : diag::ext_cxx11_longlong);
1061 if (Result.isNull()) {
1062 Result = Context.
IntTy;
1069 case TypeSpecifierWidth::Short:
1072 case TypeSpecifierWidth::Unspecified:
1075 case TypeSpecifierWidth::Long:
1078 case TypeSpecifierWidth::LongLong:
1079 llvm_unreachable(
"Unable to specify long long as _Accum width");
1092 case TypeSpecifierWidth::Short:
1095 case TypeSpecifierWidth::Unspecified:
1098 case TypeSpecifierWidth::Long:
1101 case TypeSpecifierWidth::LongLong:
1102 llvm_unreachable(
"Unable to specify long long as _Fract width");
1153 ?
"cl_khr_fp64 and __opencl_c_fp64"
1181 Result = Context.
IntTy;
1192 Result = Context.
IntTy;
1203 "No qualifiers on tag names!");
1219 "Can't handle qualifiers on typedef names yet!");
1221 if (Result.isNull()) {
1232 assert(!Result.isNull() &&
"Didn't get a type for typeof?");
1233 if (!Result->isDependentType())
1239 ? TypeOfKind::Unqualified
1240 : TypeOfKind::Qualified);
1245 assert(
E &&
"Didn't get an expression for typeof?");
1249 ? TypeOfKind::Unqualified
1250 : TypeOfKind::Qualified);
1251 if (Result.isNull()) {
1252 Result = Context.
IntTy;
1259 assert(
E &&
"Didn't get an expression for decltype?");
1262 if (Result.isNull()) {
1263 Result = Context.
IntTy;
1270 assert(
E &&
"Didn't get an expression for pack indexing");
1274 if (Result.isNull()) {
1276 Result = Context.
IntTy;
1281#define TRANSFORM_TYPE_TRAIT_DEF(_, Trait) case DeclSpec::TST_##Trait:
1282#include "clang/Basic/TransformTypeTraits.def"
1284 assert(!Result.isNull() &&
"Didn't get a type for the transformation?");
1288 if (Result.isNull()) {
1289 Result = Context.
IntTy;
1297 ? AutoTypeKeyword::DecltypeAuto
1298 : AutoTypeKeyword::Auto;
1304 TypeConstraintConcept =
1305 cast<ConceptDecl>(TemplateId->Template.get().getAsTemplateDecl());
1310 TemplateId->NumArgs);
1312 for (
const auto &ArgLoc : TemplateArgsInfo.
arguments())
1313 TemplateArgs.push_back(ArgLoc.getArgument());
1320 TypeConstraintConcept, TemplateArgs);
1334 assert(!Result.isNull() &&
"Didn't get a type for _Atomic?");
1336 if (Result.isNull()) {
1337 Result = Context.
IntTy;
1342#define GENERIC_IMAGE_TYPE(ImgType, Id) \
1343 case DeclSpec::TST_##ImgType##_t: \
1344 switch (getImageAccess(DS.getAttributes())) { \
1345 case OpenCLAccessAttr::Keyword_write_only: \
1346 Result = Context.Id##WOTy; \
1348 case OpenCLAccessAttr::Keyword_read_write: \
1349 Result = Context.Id##RWTy; \
1351 case OpenCLAccessAttr::Keyword_read_only: \
1352 Result = Context.Id##ROTy; \
1354 case OpenCLAccessAttr::SpellingNotCalculated: \
1355 llvm_unreachable("Spelling not yet calculated"); \
1358#include "clang/Basic/OpenCLImageTypes.def"
1361 Result = Context.
IntTy;
1369 if (Result->containsErrors())
1374 bool IsOpenCLC30Compatible =
1383 if ((Result->isImageType() || Result->isSamplerT()) &&
1384 (IsOpenCLC30Compatible &&
1387 << 0 << Result <<
"__opencl_c_images";
1389 }
else if (Result->isOCLImage3dWOType() &&
1394 << (IsOpenCLC30Compatible
1395 ?
"cl_khr_3d_image_writes and __opencl_c_3d_image_writes"
1396 :
"cl_khr_3d_image_writes");
1416 unsigned typeSize =
static_cast<unsigned>(Context.
getTypeSize(Result));
1417 assert(typeSize > 0 &&
"type size for vector must be greater than 0 bits");
1418 VectorKind VecKind = VectorKind::AltiVecVector;
1420 VecKind = VectorKind::AltiVecPixel;
1422 VecKind = VectorKind::AltiVecBool;
1423 Result = Context.
getVectorType(Result, 128/typeSize, VecKind);
1434 if (declarator.
getContext() == DeclaratorContext::BlockLiteral)
1448 if (AL.slidesFromDeclToDeclSpecLegacyBehavior()) {
1459 if (AL.isStandardAttributeSyntax() && AL.isClangScope() &&
1460 !(AL.getKind() == ParsedAttr::AT_MatrixType &&
1462 S.
Diag(AL.getLoc(), diag::warn_type_attribute_deprecated_on_decl)
1488 if (Result->isFunctionType()) {
1492 ? diag::warn_typecheck_function_qualifiers_ignored
1493 : diag::warn_typecheck_function_qualifiers_unspecified);
1506 if (TypeQuals && Result->isReferenceType()) {
1508 S, DS, TypeQuals, Result,
1510 diag::warn_typecheck_reference_qualifiers);
1517 && TypeQuals & Result.getCVRQualifiers()) {
1541 assert(!Result.isNull() &&
"This function should not return a null type");
1556 const auto *AT = dyn_cast<AutoType>(
T);
1557 return AT && AT->isGNUAutoType();
1574 unsigned DiagID = 0;
1590 DiagID = diag::err_typecheck_invalid_restrict_invalid_pointee;
1597 DiagID = diag::err_typecheck_invalid_restrict_not_pointer;
1611 unsigned CVRAU,
const DeclSpec *DS) {
1645 Split.Quals.addCVRQualifiers(CVR);
1663 if (!
type->isObjCLifetimeType() ||
1673 if (
type.isConstQualified()) {
1679 }
else if (
type->isObjCARCImplicitlyUnretainedType()) {
1697 diag::err_arc_indirect_no_ownership,
type, isReference));
1699 S.
Diag(loc, diag::err_arc_indirect_no_ownership) <<
type << isReference;
1703 assert(implicitLifetime &&
"didn't infer any lifetime!");
1744enum QualifiedFunctionKind { QFK_BlockPointer, QFK_Pointer, QFK_Reference };
1750 QualifiedFunctionKind QFK) {
1757 S.
Diag(
Loc, diag::err_compound_qualified_function_type)
1758 << QFK << isa<FunctionType>(
T.IgnoreParens()) <<
T
1769 Diag(
Loc, diag::err_qualified_function_typeid)
1788 Diag(
Loc, diag::err_illegal_decl_pointer_to_reference)
1796 Diag(
Loc, diag::err_opencl_function_pointer) << 0;
1801 Diag(
Loc, diag::err_hlsl_pointers_unsupported) << 0;
1820 if (
T.isWebAssemblyReferenceType()) {
1821 Diag(
Loc, diag::err_wasm_reference_pr) << 0;
1827 Diag(
Loc, diag::err_wasm_table_pr) << 0;
1840 "Unresolved overloaded function type");
1868 Diag(
Loc, diag::err_reference_to_void);
1873 Diag(
Loc, diag::err_hlsl_pointers_unsupported) << 1;
1883 Diag(
Loc, diag::err_opencl_function_pointer) << 1;
1896 T.isWebAssemblyReferenceType()) {
1897 Diag(
Loc, diag::err_wasm_reference_pr) << 1;
1901 Diag(
Loc, diag::err_wasm_table_pr) << 1;
1924 llvm::APSInt Bits(32);
1931 size_t NumBits = Bits.getZExtValue();
1932 if (!IsUnsigned && NumBits < 2) {
1933 Diag(
Loc, diag::err_bit_int_bad_size) << 0;
1937 if (IsUnsigned && NumBits < 1) {
1938 Diag(
Loc, diag::err_bit_int_bad_size) << 1;
1944 Diag(
Loc, diag::err_bit_int_max_size)
1958 llvm::APSInt &SizeVal,
unsigned VLADiag,
1983 VLADiagnoser(
unsigned VLADiag,
bool VLAIsError)
1984 : VLADiag(VLADiag), VLAIsError(VLAIsError) {}
1988 return S.
Diag(
Loc, diag::err_array_size_non_int) <<
T;
1993 IsVLA = !VLAIsError;
1999 return S.
Diag(
Loc, diag::ext_vla_folded_to_constant);
2001 } Diagnoser(VLADiag, VLAIsError);
2005 if (Diagnoser.IsVLA)
2019 if (Size.isMultipleOf(Alignment))
2022 Diag(
Loc, diag::err_array_element_alignment)
2023 << EltTy << Size.getQuantity() << Alignment.
getQuantity();
2028 Expr *ArraySize,
unsigned Quals,
2045 Diag(
Loc, diag::err_illegal_decl_array_of_references)
2051 Diag(
Loc, diag::err_array_incomplete_or_sizeless_type) << 0 <<
T;
2056 diag::err_array_of_abstract_type))
2063 if (!MPTy->getClass()->isDependentType())
2069 if (!
T.isWebAssemblyReferenceType() &&
2071 diag::err_array_incomplete_or_sizeless_type))
2077 const auto *ATy = dyn_cast<ArrayType>(
T);
2078 if (ATy && ATy->getElementType().isWebAssemblyReferenceType()) {
2079 Diag(
Loc, diag::err_wasm_reftype_multidimensional_array);
2085 Diag(
Loc, diag::err_array_incomplete_or_sizeless_type) << 1 <<
T;
2090 Diag(
Loc, diag::err_illegal_decl_array_of_functions)
2098 if (EltTy->getDecl()->hasFlexibleArrayMember())
2099 Diag(
Loc, diag::ext_flexible_array_in_array) <<
T;
2101 Diag(
Loc, diag::err_objc_array_of_interfaces) <<
T;
2112 ArraySize =
Result.get();
2116 if (ArraySize && !ArraySize->
isPRValue()) {
2121 ArraySize =
Result.get();
2144 if (
const auto *CondExpr = dyn_cast_if_present<ConditionalOperator>(
2146 std::optional<llvm::APSInt> LHS =
2147 CondExpr->getLHS()->getIntegerConstantExpr(
Context);
2148 std::optional<llvm::APSInt> RHS =
2149 CondExpr->getRHS()->getIntegerConstantExpr(
Context);
2150 return LHS && RHS && LHS->isNegative() != RHS->isNegative();
2160 VLADiag = diag::err_opencl_vla;
2163 VLADiag = diag::warn_vla_used;
2166 VLADiag = diag::err_vla_in_sfinae;
2169 VLADiag = diag::err_openmp_vla_in_task_untied;
2174 ? diag::ext_vla_cxx_in_gnu_mode_static_assert
2175 : diag::ext_vla_cxx_static_assert;
2177 VLADiag =
getLangOpts().GNUMode ? diag::ext_vla_cxx_in_gnu_mode
2178 : diag::ext_vla_cxx;
2181 VLADiag = diag::ext_vla;
2222 if (ConstVal.isSigned() && ConstVal.isNegative()) {
2229 diag::err_typecheck_negative_array_size)
2233 if (ConstVal == 0 && !
T.isWebAssemblyReferenceType()) {
2238 : diag::ext_typecheck_zero_array_size)
2243 unsigned ActiveSizeBits =
2247 : ConstVal.getActiveBits();
2263 IsCUDADevice ? diag::err_cuda_vla : diag::err_vla_unsupported)
2264 << (IsCUDADevice ? llvm::to_underlying(
CUDA().CurrentTarget()) : 0);
2268 FSI->setHasVLA(
Loc);
2276 : diag::ext_c99_array_usage)
2277 << llvm::to_underlying(ASM);
2287 Diag(
Loc, diag::err_opencl_invalid_type_array) << ArrType;
2304 Diag(AttrLoc, diag::err_attribute_invalid_vector_type) << CurType;
2309 unsigned NumBits = BIT->getNumBits();
2310 if (!llvm::isPowerOf2_32(NumBits) || NumBits < 8) {
2311 Diag(AttrLoc, diag::err_attribute_invalid_bitint_vector_type)
2321 std::optional<llvm::APSInt> VecSize =
2324 Diag(AttrLoc, diag::err_attribute_argument_type)
2335 if (!VecSize->isIntN(61)) {
2337 Diag(AttrLoc, diag::err_attribute_size_too_large)
2341 uint64_t VectorSizeBits = VecSize->getZExtValue() * 8;
2344 if (VectorSizeBits == 0) {
2345 Diag(AttrLoc, diag::err_attribute_zero_size)
2350 if (!TypeSize || VectorSizeBits % TypeSize) {
2351 Diag(AttrLoc, diag::err_attribute_invalid_size)
2356 if (VectorSizeBits / TypeSize > std::numeric_limits<uint32_t>::max()) {
2357 Diag(AttrLoc, diag::err_attribute_size_too_large)
2381 Diag(AttrLoc, diag::err_attribute_invalid_vector_type) <<
T;
2388 if (!llvm::isPowerOf2_32(NumBits) || NumBits < 8) {
2389 Diag(AttrLoc, diag::err_attribute_invalid_bitint_vector_type)
2396 std::optional<llvm::APSInt> vecSize =
2399 Diag(AttrLoc, diag::err_attribute_argument_type)
2405 if (!vecSize->isIntN(32)) {
2406 Diag(AttrLoc, diag::err_attribute_size_too_large)
2412 unsigned vectorSize =
static_cast<unsigned>(vecSize->getZExtValue());
2414 if (vectorSize == 0) {
2415 Diag(AttrLoc, diag::err_attribute_zero_size)
2429 "Should never build a matrix type when it is disabled");
2434 Diag(AttrLoc, diag::err_attribute_invalid_matrix_type) << ElementTy;
2443 std::optional<llvm::APSInt> ValueRows =
2445 std::optional<llvm::APSInt> ValueColumns =
2452 if (!ValueRows && !ValueColumns) {
2453 Diag(AttrLoc, diag::err_attribute_argument_type)
2461 Diag(AttrLoc, diag::err_attribute_argument_type)
2467 if (!ValueColumns) {
2468 Diag(AttrLoc, diag::err_attribute_argument_type)
2474 unsigned MatrixRows =
static_cast<unsigned>(ValueRows->getZExtValue());
2475 unsigned MatrixColumns =
static_cast<unsigned>(ValueColumns->getZExtValue());
2476 if (MatrixRows == 0 && MatrixColumns == 0) {
2477 Diag(AttrLoc, diag::err_attribute_zero_size)
2478 <<
"matrix" << RowRange << ColRange;
2481 if (MatrixRows == 0) {
2482 Diag(AttrLoc, diag::err_attribute_zero_size) <<
"matrix" << RowRange;
2485 if (MatrixColumns == 0) {
2486 Diag(AttrLoc, diag::err_attribute_zero_size) <<
"matrix" << ColRange;
2490 Diag(AttrLoc, diag::err_attribute_size_too_large)
2491 << RowRange <<
"matrix row";
2495 Diag(AttrLoc, diag::err_attribute_size_too_large)
2496 << ColRange <<
"matrix column";
2504 Diag(
Loc, diag::err_func_returning_array_function)
2512 Diag(
Loc, diag::err_parameters_retval_cannot_have_fp16_type) << 1 <<
2520 Diag(
Loc, diag::err_object_cannot_be_passed_returned_by_value)
2525 if (
T.hasNonTrivialToPrimitiveDestructCUnion() ||
2526 T.hasNonTrivialToPrimitiveCopyCUnion())
2533 Diag(
Loc, diag::warn_deprecated_volatile_return) <<
T;
2548 bool emittedError =
false;
2550 enum class RequiredCC { OnlySwift, SwiftOrSwiftAsync };
2551 auto checkCompatible = [&](
unsigned paramIndex, RequiredCC required) {
2553 (required == RequiredCC::OnlySwift)
2556 if (isCompatible || emittedError)
2558 S.
Diag(getParamLoc(paramIndex), diag::err_swift_param_attr_not_swiftcall)
2560 << (required == RequiredCC::OnlySwift);
2561 emittedError =
true;
2563 for (
size_t paramIndex = 0, numParams = paramTypes.size();
2564 paramIndex != numParams; ++paramIndex) {
2573 checkCompatible(paramIndex, RequiredCC::SwiftOrSwiftAsync);
2574 if (paramIndex != 0 &&
2577 S.
Diag(getParamLoc(paramIndex),
2578 diag::err_swift_indirect_result_not_first);
2583 checkCompatible(paramIndex, RequiredCC::SwiftOrSwiftAsync);
2592 checkCompatible(paramIndex, RequiredCC::OnlySwift);
2593 if (paramIndex == 0 ||
2596 S.
Diag(getParamLoc(paramIndex),
2597 diag::err_swift_error_result_not_after_swift_context);
2601 llvm_unreachable(
"bad ABI kind");
2613 for (
unsigned Idx = 0, Cnt = ParamTypes.size(); Idx < Cnt; ++Idx) {
2617 Diag(
Loc, diag::err_param_with_void_type);
2622 Diag(
Loc, diag::err_parameters_retval_cannot_have_fp16_type) << 0 <<
2626 Diag(
Loc, diag::err_wasm_table_as_function_parameter);
2633 Diag(
Loc, diag::warn_deprecated_volatile_param) << ParamType;
2635 ParamTypes[Idx] = ParamType;
2640 [=](
unsigned i) {
return Loc; });
2660 Diag(
Loc, diag::err_distant_exception_spec);
2667 Diag(
Loc, diag::err_illegal_decl_mempointer_to_reference)
2673 Diag(
Loc, diag::err_illegal_decl_mempointer_to_void)
2678 if (!
Class->isDependentType() && !
Class->isRecordType()) {
2679 Diag(
Loc, diag::err_mempointer_in_nonclass_type) <<
Class;
2686 Diag(
Loc, diag::err_opencl_function_pointer) << 0;
2691 Diag(
Loc, diag::err_hlsl_pointers_unsupported) << 0;
2710 Diag(
Loc, diag::err_nonfunction_block_type);
2726 if (TInfo) *TInfo =
nullptr;
2731 if (
const LocInfoType *LIT = dyn_cast<LocInfoType>(QT)) {
2732 QT = LIT->getType();
2733 DI = LIT->getTypeSourceInfo();
2736 if (TInfo) *TInfo = DI;
2742 unsigned chunkIndex);
2749 Sema &S = state.getSema();
2750 Declarator &declarator = state.getDeclarator();
2756 unsigned outermostPointerIndex = 0;
2758 unsigned numPointers = 0;
2760 unsigned chunkIndex = i;
2762 switch (chunk.
Kind) {
2772 outermostPointerIndex = chunkIndex;
2780 if (numPointers != 1)
return;
2782 outermostPointerIndex = chunkIndex;
2800 if (numPointers == 1) {
2818 }
else if (numPointers == 2) {
2831 if (AL.getKind() == ParsedAttr::AT_ObjCOwnership)
2835 outermostPointerIndex);
2857 }
const QualKinds[5] = {
2866 unsigned NumQuals = 0;
2871 for (
auto &
E : QualKinds) {
2872 if (Quals &
E.Mask) {
2873 if (!QualStr.empty()) QualStr +=
' ';
2890 << QualStr << NumQuals << FixIts[0] << FixIts[1] << FixIts[2] << FixIts[3];
2896 unsigned FunctionChunkIndex) {
2898 D.getTypeObject(FunctionChunkIndex).Fun;
2906 for (
unsigned OuterChunkIndex = FunctionChunkIndex + 1,
2907 End =
D.getNumTypeObjects();
2908 OuterChunkIndex != End; ++OuterChunkIndex) {
2910 switch (OuterChunk.
Kind) {
2917 diag::warn_qual_return_type,
2939 D.getIdentifierLoc());
2943 llvm_unreachable(
"unknown declarator chunk kind");
2955 D.getDeclSpec().getTypeQualifiers(),
2956 D.getIdentifierLoc(),
2957 D.getDeclSpec().getConstSpecLoc(),
2958 D.getDeclSpec().getVolatileSpecLoc(),
2959 D.getDeclSpec().getRestrictSpecLoc(),
2960 D.getDeclSpec().getAtomicSpecLoc(),
2961 D.getDeclSpec().getUnalignedSpecLoc());
2964static std::pair<QualType, TypeSourceInfo *>
2968 Sema &S = state.getSema();
2972 const unsigned AutoParameterPosition = Info.
TemplateParams.size();
2973 const bool IsParameterPack =
D.hasEllipsis();
2984 D.getDeclSpec().getTypeSpecTypeLoc(),
2985 D.getIdentifierLoc(),
2986 TemplateParameterDepth, AutoParameterPosition,
2988 D.getIdentifier(), AutoParameterPosition),
false,
2989 IsParameterPack,
Auto->isConstrained());
2994 if (
Auto->isConstrained()) {
3001 for (
unsigned Idx = 0; Idx < AutoLoc.
getNumArgs(); ++Idx) {
3002 if (
D.getEllipsisLoc().isInvalid() && !
Invalid &&
3014 InventedTemplateParam,
D.getEllipsisLoc());
3028 if (
D.getEllipsisLoc().isInvalid()) {
3044 D.getDeclSpec().getTypeSpecScope().getWithLocInContext(S.
Context),
3049 USD ? cast<NamedDecl>(USD) : CD,
3051 InventedTemplateParam,
D.getEllipsisLoc());
3061 QualType NewT = state.ReplaceAutoType(
T, Replacement);
3065 return {NewT, NewTSI};
3074 Sema &SemaRef = state.getSema();
3077 ReturnTypeInfo =
nullptr;
3080 TagDecl *OwnedTagDecl =
nullptr;
3090 if (!
D.isInvalidType() &&
D.getDeclSpec().isTypeSpecOwned()) {
3091 OwnedTagDecl = cast<TagDecl>(
D.getDeclSpec().getRepAsDecl());
3104 D.getMutableDeclSpec().getAttributes());
3131 bool DeducedIsTrailingReturnType =
false;
3132 if (Deduced && isa<AutoType>(Deduced) &&
D.hasTrailingReturnType()) {
3135 DeducedIsTrailingReturnType =
true;
3145 bool IsCXXAutoType =
3147 bool IsDeducedReturnType =
false;
3149 switch (
D.getContext()) {
3188 assert(Info &&
"No LambdaScopeInfo on the stack!");
3194 if (!DeducedIsTrailingReturnType)
3199 if (
D.isStaticMember() ||
D.isFunctionDeclarator())
3202 if (isa<ObjCContainerDecl>(SemaRef.
CurContext)) {
3205 switch (cast<TagDecl>(SemaRef.
CurContext)->getTagKind()) {
3207 llvm_unreachable(
"unhandled tag kind");
3209 Error = Cxx ? 1 : 2;
3212 Error = Cxx ? 3 : 4;
3222 if (
D.getDeclSpec().isFriendSpecified())
3231 if (isa<DeducedTemplateSpecializationType>(Deduced) &&
3243 if (isa<DeducedTemplateSpecializationType>(Deduced) &&
3244 !
D.getNumTypeObjects() &&
3257 if (!SemaRef.
getLangOpts().CPlusPlus14 || !IsCXXAutoType)
3259 IsDeducedReturnType =
true;
3262 if (!SemaRef.
getLangOpts().CPlusPlus14 || !IsCXXAutoType)
3264 IsDeducedReturnType =
true;
3267 if (isa<DeducedTemplateSpecializationType>(Deduced))
3269 if (SemaRef.
getLangOpts().CPlusPlus23 && IsCXXAutoType &&
3270 !
Auto->isDecltypeAuto())
3289 if (!IsCXXAutoType && !isa<DeducedTemplateSpecializationType>(Deduced))
3302 if (
D.isFunctionDeclarator() &&
3303 (!SemaRef.
getLangOpts().CPlusPlus11 || !IsCXXAutoType))
3306 SourceRange AutoRange =
D.getDeclSpec().getTypeSpecTypeLoc();
3313 switch (
Auto->getKeyword()) {
3319 assert(isa<DeducedTemplateSpecializationType>(Deduced) &&
3320 "unknown auto type");
3324 auto *DTST = dyn_cast<DeducedTemplateSpecializationType>(Deduced);
3327 SemaRef.
Diag(AutoRange.
getBegin(), diag::err_auto_not_allowed)
3329 <<
QualType(Deduced, 0) << AutoRange;
3334 D.setInvalidType(
true);
3340 ? diag::warn_cxx11_compat_generic_lambda
3341 : IsDeducedReturnType
3342 ? diag::warn_cxx11_compat_deduced_return_type
3343 : diag::warn_cxx98_compat_auto_type_specifier)
3352 unsigned DiagID = 0;
3353 switch (
D.getContext()) {
3358 llvm_unreachable(
"parser should not have allowed this");
3374 DiagID = diag::err_type_defined_in_alias_template;
3386 DiagID = diag::err_type_defined_in_type_specifier;
3396 DiagID = diag::err_type_defined_in_param_type;
3402 DiagID = diag::err_type_defined_in_condition;
3409 D.setInvalidType(
true);
3413 assert(!
T.isNull() &&
"This function should not return a null type");
3422 assert(FTI.
isAmbiguous &&
"no direct-initializer / function ambiguity");
3438 if (!
D.isFunctionDeclarator() ||
3452 FTI.
NumParams ? diag::warn_parens_disambiguated_as_function_declaration
3453 : diag::warn_empty_parens_are_function_decl)
3461 if (!
D.isFirstDeclarator() &&
D.getIdentifier()) {
3464 if (Comma.getFileID() != Name.getFileID() ||
3465 Comma.getSpellingLineNumber() != Name.getSpellingLineNumber()) {
3469 S.
Diag(
D.getCommaLoc(), diag::note_empty_parens_function_call)
3471 <<
D.getIdentifier();
3472 Result.suppressDiagnostics();
3485 S.
Diag(B, diag::note_additional_parens_for_variable_declaration)
3500 S.
Diag(DeclType.
Loc, diag::note_empty_parens_default_ctor)
3508 S.
Diag(DeclType.
Loc, diag::note_empty_parens_zero_initialize)
3519 "do not have redundant top-level parentheses");
3528 bool CouldBeTemporaryObject =
3529 S.
getLangOpts().CPlusPlus &&
D.isExpressionContext() &&
3530 !
D.isInvalidType() &&
D.getIdentifier() &&
3533 D.getDeclSpec().getTypeQualifiers() == 0 &&
D.isFirstDeclarator();
3535 bool StartsWithDeclaratorId =
true;
3536 for (
auto &
C :
D.type_objects()) {
3543 StartsWithDeclaratorId =
false;
3548 CouldBeTemporaryObject =
false;
3556 CouldBeTemporaryObject =
false;
3557 StartsWithDeclaratorId =
false;
3567 CouldBeTemporaryObject =
false;
3574 CouldBeTemporaryObject =
false;
3575 StartsWithDeclaratorId =
false;
3585 if (CouldBeTemporaryObject) {
3589 CouldBeTemporaryObject =
false;
3590 Result.suppressDiagnostics();
3595 if (!CouldBeTemporaryObject) {
3600 if (StartsWithDeclaratorId &&
D.getCXXScopeSpec().isValid()) {
3602 NNS = NNS->getPrefix()) {
3608 S.
Diag(
Paren.Loc, diag::warn_redundant_parens_around_declarator)
3614 S.
Diag(
Paren.Loc, diag::warn_parens_disambiguated_as_variable_declaration)
3615 << ParenRange <<
D.getIdentifier();
3617 if (!RD || !RD->hasDefinition() || RD->hasNonTrivialDestructor())
3618 S.
Diag(
Paren.Loc, diag::note_raii_guard_add_name)
3620 <<
D.getIdentifier();
3626 S.
Diag(
Paren.Loc, diag::note_remove_parens_for_variable_declaration)
3642 switch (AL.getKind()) {
3661 bool IsCXXInstanceMethod =
false;
3667 unsigned I = ChunkIndex;
3668 bool FoundNonParen =
false;
3669 while (I && !FoundNonParen) {
3672 FoundNonParen =
true;
3675 if (FoundNonParen) {
3678 IsCXXInstanceMethod =
3683 IsCXXInstanceMethod =
3687 assert(
D.isFunctionDeclarator());
3691 IsCXXInstanceMethod =
3692 D.isFirstDeclarationOfMember() &&
3694 !
D.isStaticMember();
3699 IsCXXInstanceMethod);
3706 for (
const ParsedAttr &AL :
D.getDeclSpec().getAttributes()) {
3707 if (AL.getKind() == ParsedAttr::AT_OpenCLKernel) {
3717 if (Triple.getArch() == llvm::Triple::spirv32 ||
3718 Triple.getArch() == llvm::Triple::spirv64) {
3719 for (
const ParsedAttr &AL :
D.getDeclSpec().getAttributes()) {
3720 if (AL.getKind() == ParsedAttr::AT_CUDAGlobal) {
3734 enum class SimplePointerKind {
3743 switch (nullability) {
3745 if (!Ident__Nonnull)
3747 return Ident__Nonnull;
3750 if (!Ident__Nullable)
3752 return Ident__Nullable;
3755 if (!Ident__Nullable_result)
3757 return Ident__Nullable_result;
3760 if (!Ident__Null_unspecified)
3762 return Ident__Null_unspecified;
3764 llvm_unreachable(
"Unknown nullability kind.");
3771 if (AL.getKind() == ParsedAttr::AT_TypeNonNull ||
3772 AL.getKind() == ParsedAttr::AT_TypeNullable ||
3773 AL.getKind() == ParsedAttr::AT_TypeNullableResult ||
3774 AL.getKind() == ParsedAttr::AT_TypeNullUnspecified)
3783 enum class PointerDeclaratorKind {
3791 MaybePointerToCFRef,
3795 NSErrorPointerPointer,
3801 enum class PointerWrappingDeclaratorKind {
3815static PointerDeclaratorKind
3817 PointerWrappingDeclaratorKind &wrappingKind) {
3818 unsigned numNormalPointers = 0;
3821 if (
type->isDependentType())
3822 return PointerDeclaratorKind::NonPointer;
3827 switch (chunk.
Kind) {
3829 if (numNormalPointers == 0)
3830 wrappingKind = PointerWrappingDeclaratorKind::Array;
3839 return numNormalPointers > 0 ? PointerDeclaratorKind::MultiLevelPointer
3840 : PointerDeclaratorKind::SingleLevelPointer;
3846 if (numNormalPointers == 0)
3847 wrappingKind = PointerWrappingDeclaratorKind::Reference;
3851 ++numNormalPointers;
3852 if (numNormalPointers > 2)
3853 return PointerDeclaratorKind::MultiLevelPointer;
3859 unsigned numTypeSpecifierPointers = 0;
3863 ++numNormalPointers;
3865 if (numNormalPointers > 2)
3866 return PointerDeclaratorKind::MultiLevelPointer;
3868 type = ptrType->getPointeeType();
3869 ++numTypeSpecifierPointers;
3875 return numNormalPointers > 0 ? PointerDeclaratorKind::MultiLevelPointer
3876 : PointerDeclaratorKind::SingleLevelPointer;
3881 return numNormalPointers > 0 ? PointerDeclaratorKind::MultiLevelPointer
3882 : PointerDeclaratorKind::SingleLevelPointer;
3887 ++numNormalPointers;
3888 ++numTypeSpecifierPointers;
3891 if (
auto objcClassDecl = objcObjectPtr->getInterfaceDecl()) {
3893 numNormalPointers == 2 && numTypeSpecifierPointers < 2) {
3894 return PointerDeclaratorKind::NSErrorPointerPointer;
3903 if (objcClass->getInterface()->getIdentifier() ==
3905 if (numNormalPointers == 2 && numTypeSpecifierPointers < 2)
3906 return PointerDeclaratorKind::NSErrorPointerPointer;
3913 if (numNormalPointers == 0)
3914 return PointerDeclaratorKind::NonPointer;
3920 if (numNormalPointers == 2 && numTypeSpecifierPointers < 2 &&
3922 return PointerDeclaratorKind::CFErrorRefPointer;
3930 switch (numNormalPointers) {
3932 return PointerDeclaratorKind::NonPointer;
3935 return PointerDeclaratorKind::SingleLevelPointer;
3938 return PointerDeclaratorKind::MaybePointerToCFRef;
3941 return PointerDeclaratorKind::MultiLevelPointer;
3950 if (ctx->isFunctionOrMethod())
3953 if (ctx->isFileContext())
3964 bool invalid =
false;
3966 if (invalid || !sloc.
isFile())
3984template <
typename DiagBuilderT>
3993 if (!FixItLoc.
isValid() || FixItLoc == PointerLoc)
4002 InsertionTextBuf +=
" ";
4003 StringRef InsertionText = InsertionTextBuf.str();
4006 InsertionText = InsertionText.drop_back();
4007 }
else if (NextChar[-1] ==
'[') {
4008 if (NextChar[0] ==
']')
4009 InsertionText = InsertionText.drop_back().drop_front();
4011 InsertionText = InsertionText.drop_front();
4014 InsertionText = InsertionText.drop_back().drop_front();
4021 SimplePointerKind PointerKind,
4026 if (PointerKind == SimplePointerKind::Array) {
4027 S.
Diag(PointerLoc, diag::warn_nullability_missing_array);
4029 S.
Diag(PointerLoc, diag::warn_nullability_missing)
4030 <<
static_cast<unsigned>(PointerKind);
4033 auto FixItLoc = PointerEndLoc.
isValid() ? PointerEndLoc : PointerLoc;
4034 if (FixItLoc.isMacroID())
4038 auto Diag = S.
Diag(FixItLoc, diag::note_nullability_fix_it);
4039 Diag << static_cast<unsigned>(Nullability);
4040 Diag << static_cast<unsigned>(PointerKind);
4069 if (pointerKind == SimplePointerKind::Array)
4070 diagKind = diag::warn_nullability_missing_array;
4072 diagKind = diag::warn_nullability_missing;
4078 fileNullability.
PointerKind =
static_cast<unsigned>(pointerKind);
4110 auto kind =
static_cast<SimplePointerKind
>(fileNullability.
PointerKind);
4125 unsigned i = endIndex;
4153template<
typename AttrT>
4156 return ::new (Ctx) AttrT(Ctx, AL);
4163 return createSimpleAttr<TypeNonNullAttr>(Ctx,
Attr);
4166 return createSimpleAttr<TypeNullableAttr>(Ctx,
Attr);
4169 return createSimpleAttr<TypeNullableResultAttr>(Ctx,
Attr);
4172 return createSimpleAttr<TypeNullUnspecifiedAttr>(Ctx,
Attr);
4174 llvm_unreachable(
"unknown NullabilityKind");
4185 if (ASOld != ASNew) {
4186 S.
Diag(AttrLoc, diag::err_attribute_address_multiple_qualifiers);
4191 diag::warn_attribute_address_multiple_identical_qualifiers);
4205 !isa<RecordType, TemplateSpecializationType>(
4216 Sema &S = state.getSema();
4222 if (
D.getIdentifier())
4223 Name =
D.getIdentifier();
4226 bool IsTypedefName =
4242 bool IsClassTemplateDeduction = isa<DeducedTemplateSpecializationType>(DT);
4244 for (
unsigned I = 0,
E =
D.getNumTypeObjects(); I !=
E; ++I) {
4245 unsigned Index =
E - I - 1;
4247 unsigned DiagId = IsClassTemplateDeduction
4248 ? diag::err_deduced_class_template_compound_type
4249 : diag::err_decltype_auto_compound_type;
4250 unsigned DiagKind = 0;
4251 switch (DeclChunk.
Kind) {
4254 if (IsClassTemplateDeduction) {
4260 if (IsClassTemplateDeduction) {
4265 if (
D.isFunctionDeclarationContext() &&
4266 D.isFunctionDeclarator(FnIndex) && FnIndex == Index)
4268 DiagId = diag::err_decltype_auto_function_declarator_not_declaration;
4286 S.
Diag(DeclChunk.
Loc, DiagId) << DiagKind;
4287 D.setInvalidType(
true);
4294 std::optional<NullabilityKind> inferNullability;
4295 bool inferNullabilityCS =
false;
4296 bool inferNullabilityInnerOnly =
false;
4297 bool inferNullabilityInnerOnlyComplete =
false;
4300 bool inAssumeNonNullRegion =
false;
4302 if (assumeNonNullLoc.
isValid()) {
4303 inAssumeNonNullRegion =
true;
4317 } complainAboutMissingNullability = CAMN_No;
4318 unsigned NumPointersRemaining = 0;
4319 auto complainAboutInferringWithinChunk = PointerWrappingDeclaratorKind::None;
4321 if (IsTypedefName) {
4325 complainAboutMissingNullability = CAMN_InnerPointers;
4329 ++NumPointersRemaining;
4332 for (
unsigned i = 0, n =
D.getNumTypeObjects(); i != n; ++i) {
4334 switch (chunk.
Kind) {
4342 ++NumPointersRemaining;
4350 ++NumPointersRemaining;
4355 bool isFunctionOrMethod =
false;
4356 switch (
auto context = state.getDeclarator().getContext()) {
4362 isFunctionOrMethod =
true;
4366 if (state.getDeclarator().isObjCIvar() && !isFunctionOrMethod) {
4367 complainAboutMissingNullability = CAMN_No;
4372 if (state.getDeclarator().isObjCWeakProperty()) {
4375 complainAboutMissingNullability = CAMN_No;
4376 if (inAssumeNonNullRegion) {
4386 complainAboutMissingNullability = CAMN_Yes;
4389 auto wrappingKind = PointerWrappingDeclaratorKind::None;
4391 case PointerDeclaratorKind::NonPointer:
4392 case PointerDeclaratorKind::MultiLevelPointer:
4396 case PointerDeclaratorKind::SingleLevelPointer:
4398 if (inAssumeNonNullRegion) {
4399 complainAboutInferringWithinChunk = wrappingKind;
4406 case PointerDeclaratorKind::CFErrorRefPointer:
4407 case PointerDeclaratorKind::NSErrorPointerPointer:
4410 if (isFunctionOrMethod && inAssumeNonNullRegion)
4414 case PointerDeclaratorKind::MaybePointerToCFRef:
4415 if (isFunctionOrMethod) {
4419 auto hasCFReturnsAttr =
4421 return AttrList.hasAttribute(ParsedAttr::AT_CFReturnsRetained) ||
4422 AttrList.hasAttribute(ParsedAttr::AT_CFReturnsNotRetained);
4424 if (
const auto *InnermostChunk =
D.getInnermostNonParenChunk()) {
4425 if (hasCFReturnsAttr(
D.getDeclarationAttributes()) ||
4426 hasCFReturnsAttr(
D.getAttributes()) ||
4427 hasCFReturnsAttr(InnermostChunk->getAttrs()) ||
4428 hasCFReturnsAttr(
D.getDeclSpec().getAttributes())) {
4430 inferNullabilityInnerOnly =
true;
4440 complainAboutMissingNullability = CAMN_Yes;
4468 auto isVaList = [&S](
QualType T) ->
bool {
4474 if (typedefTy->getDecl() == vaListTypedef)
4476 if (
auto *name = typedefTy->getDecl()->getIdentifier())
4477 if (name->isStr(
"va_list"))
4479 typedefTy = typedefTy->desugar()->getAs<
TypedefType>();
4480 }
while (typedefTy);
4486 auto inferPointerNullability =
4491 if (NumPointersRemaining > 0)
4492 --NumPointersRemaining;
4499 if (inferNullability && !inferNullabilityInnerOnlyComplete) {
4502 ? ParsedAttr::Form::ContextSensitiveKeyword()
4503 : ParsedAttr::Form::Keyword(
false ,
4509 attrs.addAtEnd(nullabilityAttr);
4511 if (inferNullabilityCS) {
4512 state.getDeclarator().getMutableDeclSpec().getObjCQualifiers()
4516 if (pointerLoc.isValid() &&
4517 complainAboutInferringWithinChunk !=
4518 PointerWrappingDeclaratorKind::None) {
4520 S.
Diag(pointerLoc, diag::warn_nullability_inferred_on_nested_type);
4521 Diag << static_cast<int>(complainAboutInferringWithinChunk);
4525 if (inferNullabilityInnerOnly)
4526 inferNullabilityInnerOnlyComplete =
true;
4527 return nullabilityAttr;
4532 switch (complainAboutMissingNullability) {
4536 case CAMN_InnerPointers:
4537 if (NumPointersRemaining == 0)
4553 if (NumPointersRemaining > 0)
4554 --NumPointersRemaining;
4556 SimplePointerKind pointerKind = SimplePointerKind::Pointer;
4558 pointerKind = SimplePointerKind::BlockPointer;
4560 pointerKind = SimplePointerKind::MemberPointer;
4562 if (
auto *
attr = inferPointerNullability(
4563 pointerKind,
D.getDeclSpec().getTypeSpecTypeLoc(),
4565 D.getMutableDeclSpec().getAttributes(),
4566 D.getMutableDeclSpec().getAttributePool())) {
4567 T = state.getAttributedType(
4573 if (complainAboutMissingNullability == CAMN_Yes &&
T->
isArrayType() &&
4577 D.getDeclSpec().getTypeSpecTypeLoc());
4581 bool ExpectNoDerefChunk =
4582 state.getCurrentAttributes().hasAttribute(ParsedAttr::AT_NoDeref);
4592 bool AreDeclaratorChunksValid =
true;
4593 for (
unsigned i = 0, e =
D.getNumTypeObjects(); i != e; ++i) {
4594 unsigned chunkIndex = e - i - 1;
4595 state.setCurrentChunkIndex(chunkIndex);
4598 switch (DeclType.
Kind) {
4606 if (!LangOpts.Blocks)
4607 S.
Diag(DeclType.
Loc, diag::err_blocks_disable) << LangOpts.OpenCL;
4610 inferPointerNullability(SimplePointerKind::BlockPointer, DeclType.
Loc,
4612 state.getDeclarator().getAttributePool());
4618 if (LangOpts.OpenCL)
4627 S.
Diag(
D.getIdentifierLoc(), diag::err_distant_exception_spec);
4628 D.setInvalidType(
true);
4633 inferPointerNullability(SimplePointerKind::Pointer, DeclType.
Loc,
4635 state.getDeclarator().getAttributePool());
4647 if (LangOpts.OpenCL) {
4650 S.
Diag(
D.getIdentifierLoc(), diag::err_opencl_pointer_to_type) <<
T;
4651 D.setInvalidType(
true);
4663 S.
Diag(
D.getIdentifierLoc(), diag::err_distant_exception_spec);
4664 D.setInvalidType(
true);
4677 S.
Diag(
D.getIdentifierLoc(), diag::err_distant_exception_spec);
4678 D.setInvalidType(
true);
4688 if (chunkIndex != 0 && !ArraySize &&
4689 D.getDeclSpec().getAttributes().hasMSPropertyAttr()) {
4707 S.
Diag(DeclType.
Loc, diag::err_array_star_outside_prototype);
4709 D.setInvalidType(
true);
4716 if (!(
D.isPrototypeContext() ||
4718 S.
Diag(DeclType.
Loc, diag::err_array_static_outside_prototype)
4720 :
"type qualifier");
4725 D.setInvalidType(
true);
4731 S.
Diag(DeclType.
Loc, diag::err_array_static_not_outermost)
4733 :
"type qualifier");
4737 D.setInvalidType(
true);
4743 if (complainAboutMissingNullability == CAMN_Yes &&
4759 IsQualifiedFunction =
4764 if (!
D.isInvalidType()) {
4768 return SS.isInvalid() ||
4790 ? dyn_cast_if_present<ParmVarDecl>(FTI.
Params[0].
Param)
4793 bool IsFunctionDecl =
D.getInnermostNonParenChunk() == &DeclType;
4794 if (
First &&
First->isExplicitObjectParameter() &&
4805 !IsClassType(
D.getCXXScopeSpec())) {
4808 diag::err_explicit_object_parameter_nonmember)
4810 <<
First->getSourceRange();
4813 diag::err_explicit_object_parameter_invalid)
4814 <<
First->getSourceRange();
4817 AreDeclaratorChunksValid =
false;
4822 if (
D.getDeclSpec().hasAutoTypeSpec() &&
4825 S.
Diag(
D.getDeclSpec().getTypeSpecTypeLoc(),
4827 ? diag::err_auto_missing_trailing_return
4828 : diag::err_deduced_return_type);
4830 D.setInvalidType(
true);
4831 AreDeclaratorChunksValid =
false;
4833 S.
Diag(
D.getDeclSpec().getTypeSpecTypeLoc(),
4834 diag::warn_cxx11_compat_deduced_return_type);
4838 if (isa<ParenType>(
T)) {
4841 D.setInvalidType(
true);
4843 AreDeclaratorChunksValid =
false;
4844 }
else if (
D.getName().
getKind() ==
4848 diag::err_deduction_guide_with_complex_decl)
4850 D.setInvalidType(
true);
4852 AreDeclaratorChunksValid =
false;
4855 (
T.hasQualifiers() || !isa<AutoType>(
T) ||
4856 cast<AutoType>(
T)->getKeyword() !=
4858 cast<AutoType>(
T)->isConstrained())) {
4859 S.
Diag(
D.getDeclSpec().getTypeSpecTypeLoc(),
4860 diag::err_trailing_return_without_auto)
4862 D.setInvalidType(
true);
4864 AreDeclaratorChunksValid =
false;
4870 D.setInvalidType(
true);
4880 if (InventedParamInfo) {
4882 state,
T, TInfo,
Auto, *InventedParamInfo);
4896 unsigned diagID = diag::err_func_returning_array_function;
4899 if (chunkIndex == 0 &&
4901 diagID = diag::err_block_returning_array_function;
4904 D.setInvalidType(
true);
4905 AreDeclaratorChunksValid =
false;
4914 S.
Diag(
D.getIdentifierLoc(), diag::err_opencl_invalid_return)
4916 D.setInvalidType(
true);
4918 }
else if (!S.
getLangOpts().NativeHalfArgsAndReturns &&
4920 S.
Diag(
D.getIdentifierLoc(),
4921 diag::err_parameters_retval_cannot_have_fp16_type) << 1;
4922 D.setInvalidType(
true);
4926 if (LangOpts.OpenCL) {
4931 S.
Diag(
D.getIdentifierLoc(), diag::err_opencl_invalid_return)
4933 D.setInvalidType(
true);
4940 "__cl_clang_variadic_functions", S.
getLangOpts()) &&
4941 !(
D.getIdentifier() &&
4942 ((
D.getIdentifier()->getName() ==
"printf" &&
4944 D.getIdentifier()->getName().starts_with(
"__")))) {
4945 S.
Diag(
D.getIdentifierLoc(), diag::err_opencl_variadic_function);
4946 D.setInvalidType(
true);
4958 DiagLoc =
D.getDeclSpec().getTypeSpecTypeLoc();
4961 S.
Diag(DiagLoc, diag::err_object_cannot_be_passed_returned_by_value)
4973 AreDeclaratorChunksValid =
false;
4976 D.setInvalidType(
true);
4985 D.getFunctionDefinitionKind() ==
4990 S.
Diag(DeclType.
Loc, diag::err_func_returning_qualified_void) <<
T;
4996 if (
T.isVolatileQualified() && S.
getLangOpts().CPlusPlus20)
4997 S.
Diag(DeclType.
Loc, diag::warn_deprecated_volatile_return) <<
T;
5003 if (
T.getQualifiers().hasObjCLifetime()) {
5005 if (chunkIndex + 1 <
D.getNumTypeObjects()) {
5008 if (AL.getKind() == ParsedAttr::AT_ObjCOwnership) {
5009 AttrLoc = AL.getLoc();
5015 for (
const ParsedAttr &AL :
D.getDeclSpec().getAttributes()) {
5016 if (AL.getKind() == ParsedAttr::AT_ObjCOwnership) {
5017 AttrLoc = AL.getLoc();
5031 S.
Diag(AttrLoc, diag::warn_arc_lifetime_result_type)
5032 <<
T.getQualifiers().getObjCLifetime();
5036 if (LangOpts.CPlusPlus &&
D.getDeclSpec().hasTagDefinition()) {
5039 TagDecl *Tag = cast<TagDecl>(
D.getDeclSpec().getRepAsDecl());
5040 S.
Diag(Tag->getLocation(), diag::err_type_defined_in_result_type)
5048 diag::err_exception_spec_in_typedef)
5074 diag::warn_c17_compat_ellipsis_only_parameter);
5075 else if (!
D.getDeclarationAttributes().hasAttribute(
5076 ParsedAttr::AT_Overloadable) &&
5077 !
D.getAttributes().hasAttribute(
5078 ParsedAttr::AT_Overloadable) &&
5079 !
D.getDeclSpec().getAttributes().hasAttribute(
5080 ParsedAttr::AT_Overloadable))
5088 diag::err_ident_list_in_fn_declaration);
5089 D.setInvalidType(
true);
5094 AreDeclaratorChunksValid =
false;
5117 bool HasAnyInterestingExtParameterInfos =
false;
5119 for (
unsigned i = 0, e = FTI.
NumParams; i != e; ++i) {
5122 assert(!ParamTy.
isNull() &&
"Couldn't parse type?");
5133 ParamTy = Context.
IntTy;
5138 ParamTy = Context.
IntTy;
5143 S.
Diag(DeclType.
Loc, diag::err_void_param_qualified);
5159 }
else if (!S.
getLangOpts().NativeHalfArgsAndReturns &&
5162 diag::err_parameters_retval_cannot_have_fp16_type) << 0;
5170 if (BTy->getKind() == BuiltinType::Float) {
5182 if (LangOpts.ObjCAutoRefCount && Param->
hasAttr<NSConsumedAttr>()) {
5183 ExtParameterInfos[i] = ExtParameterInfos[i].withIsConsumed(
true);
5184 HasAnyInterestingExtParameterInfos =
true;
5188 ExtParameterInfos[i] =
5189 ExtParameterInfos[i].withABI(
attr->getABI());
5190 HasAnyInterestingExtParameterInfos =
true;
5193 if (Param->
hasAttr<PassObjectSizeAttr>()) {
5194 ExtParameterInfos[i] = ExtParameterInfos[i].withHasPassObjectSize();
5195 HasAnyInterestingExtParameterInfos =
true;
5198 if (Param->
hasAttr<NoEscapeAttr>()) {
5199 ExtParameterInfos[i] = ExtParameterInfos[i].withIsNoEscape(
true);
5200 HasAnyInterestingExtParameterInfos =
true;
5203 ParamTys.push_back(ParamTy);
5206 if (HasAnyInterestingExtParameterInfos) {
5215 Expr *NoexceptExpr =
nullptr;
5221 DynamicExceptions.reserve(N);
5222 DynamicExceptionRanges.reserve(N);
5223 for (
unsigned I = 0; I != N; ++I) {
5234 DynamicExceptionRanges,
5241 auto IsClassMember = [&]() {
5242 return (!state.getDeclarator().getCXXScopeSpec().isEmpty() &&
5243 state.getDeclarator()
5247 state.getDeclarator().getContext() ==
5249 state.getDeclarator().getContext() ==
5253 if (state.getSema().getLangOpts().OpenCLCPlusPlus && IsClassMember()) {
5262 D.setInvalidType(
true);
5283 inferPointerNullability(SimplePointerKind::MemberPointer, DeclType.
Loc,
5285 state.getDeclarator().getAttributePool());
5289 D.setInvalidType(
true);
5304 llvm_unreachable(
"Nested-name-specifier must name a type");
5314 if (isa<TemplateSpecializationType>(NNS->
getAsType()))
5316 NNSPrefix, ClsType);
5321 diag::err_illegal_decl_mempointer_in_nonclass)
5322 << (
D.getIdentifier() ?
D.getIdentifier()->getName() :
"type name")
5324 D.setInvalidType(
true);
5331 AreDeclaratorChunksValid =
false;
5335 D.setInvalidType(
true);
5336 AreDeclaratorChunksValid =
false;
5346 D.getMutableDeclSpec().getAttributes());
5352 D.setInvalidType(
true);
5354 AreDeclaratorChunksValid =
false;
5363 S.
Diag(DeclType.
Loc, diag::warn_noderef_on_non_pointer_or_array);
5365 ExpectNoDerefChunk = state.didParseNoDeref();
5369 if (ExpectNoDerefChunk)
5370 S.
Diag(state.getDeclarator().getBeginLoc(),
5371 diag::warn_noderef_on_non_pointer_or_array);
5384 bool IsBlock =
false;
5386 switch (DeclType.Kind) {
5398 S.
Diag(DeclType.Loc, diag::warn_strict_prototypes)
5410 assert(!
T.isNull() &&
"T must not be null after this point");
5414 assert(FnTy &&
"Why oh why is there not a FunctionProtoType here?");
5427 ExplicitObjectMember,
5431 Kind = DeductionGuide;
5432 else if (!
D.getCXXScopeSpec().isSet()) {
5435 !
D.getDeclSpec().isFriendSpecified())
5445 if (
D.isFunctionDeclarator(I)) {
5449 if (
P &&
P->isExplicitObjectParameter())
5450 Kind = ExplicitObjectMember;
5476 if (IsQualifiedFunction &&
5479 (Kind !=
Member ||
D.isExplicitObjectMemberFunction() ||
5482 D.isStaticMember())) &&
5488 if (
D.isFunctionDeclarator(I)) {
5501 if (!RemovalLocs.empty()) {
5502 llvm::sort(RemovalLocs,
5504 RemovalRange =
SourceRange(RemovalLocs.front(), RemovalLocs.back());
5505 Loc = RemovalLocs.front();
5509 S.
Diag(
Loc, diag::err_invalid_qualified_function_type)
5510 << Kind <<
D.isFunctionDeclarator() <<
T
5522 for (
unsigned i = 0, e =
D.getNumTypeObjects(); i != e; ++i) {
5532 for (
ParsedAttr &AL :
D.getDeclarationAttributes()) {
5533 if (!AL.slidesFromDeclToDeclSpecLegacyBehavior()) {
5541 state.diagnoseIgnoredTypeAttrs(
T);
5552 if (
T.isVolatileQualified() && S.
getLangOpts().CPlusPlus20 &&
5555 S.
Diag(
D.getIdentifierLoc(), diag::warn_deprecated_volatile_param) <<
T;
5559 if (
D.hasEllipsis()) {
5564 switch (
D.getContext()) {
5579 S.
Diag(
D.getEllipsisLoc(),
5580 diag::err_function_parameter_pack_without_parameter_packs)
5600 S.
Diag(
D.getEllipsisLoc(),
5601 LangOpts.CPlusPlus11
5602 ? diag::warn_cxx98_compat_variadic_templates
5603 : diag::ext_variadic_templates);
5632 S.
Diag(
D.getEllipsisLoc(),
5633 diag::err_ellipsis_in_declarator_not_parameter);
5639 assert(!
T.isNull() &&
"T must not be null at the end of this function");
5640 if (!AreDeclaratorChunksValid)
5649 TypeProcessingState state(*
this,
D);
5653 if (
D.isPrototypeContext() &&
getLangOpts().ObjCAutoRefCount)
5672 unsigned chunkIndex) {
5673 Sema &S = state.getSema();
5681 const char *attrStr =
nullptr;
5682 switch (ownership) {
5701 &Args, 1, ParsedAttr::Form::GNU());
5710 Sema &S = state.getSema();
5714 bool hasIndirection =
false;
5715 for (
unsigned i = 0, e =
D.getNumTypeObjects(); i != e; ++i) {
5717 switch (chunk.
Kind) {
5726 hasIndirection =
true;
5759 TypeProcessingState state(*
this,
D);
5774 TypeProcessingState &State) {
5781 if (AL.getKind() == ParsedAttr::AT_MatrixType) {
5790 llvm_unreachable(
"no matrix_type attribute found at the expected location!");
5794 class TypeSpecLocFiller :
public TypeLocVisitor<TypeSpecLocFiller> {
5797 TypeProcessingState &State;
5801 TypeSpecLocFiller(
Sema &S,
ASTContext &Context, TypeProcessingState &State,
5803 : SemaRef(S), Context(Context), State(State), DS(DS) {}
5815 State.getExpansionLocForMacroQualifiedType(TL.
getTypePtr()));
5938 void VisitDependentTemplateSpecializationTypeLoc(
5967 if (TemplateId->
NumArgs > 0) {
5979 FoundDecl = cast<NamedDecl>(USD);
5981 FoundDecl = cast_if_present<NamedDecl>(TN.getAsTemplateDecl());
6027 void VisitTypeLoc(
TypeLoc TL) {
6033 class DeclaratorLocFiller :
public TypeLocVisitor<DeclaratorLocFiller> {
6035 TypeProcessingState &State;
6039 DeclaratorLocFiller(
ASTContext &Context, TypeProcessingState &State,
6041 : Context(Context), State(State), Chunk(Chunk) {}
6044 llvm_unreachable(
"qualified type locs not expected here!");
6047 llvm_unreachable(
"decayed type locs not expected here!");
6050 llvm_unreachable(
"array parameter type locs not expected here!");
6089 assert(isa<DependentNameType>(ClsTy) &&
"Unexpected TypeLoc");
6100 if (isa<ElaboratedType>(ClsTy)) {
6115 llvm_unreachable(
"Nested-name-specifier must name a type");
6147 for (
unsigned i = 0, e = TL.
getNumParams(), tpi = 0; i != e; ++i) {
6183 void VisitTypeLoc(
TypeLoc TL) {
6184 llvm_unreachable(
"unsupported TypeLoc kind in declarator!");
6191 switch (Chunk.
Kind) {
6196 llvm_unreachable(
"cannot be _Atomic qualified");
6217 if (AL.getKind() == ParsedAttr::AT_AddressSpace) {
6226 "no address_space attribute found at the expected location!");
6240 Sema &S = State.getSema();
6247 if (isa<PackExpansionType>(
T)) {
6252 for (
unsigned i = 0, e =
D.getNumTypeObjects(); i != e; ++i) {
6256 D.getDeclSpec().getAttributes().hasMSPropertyAttr())
6266 bool HasDesugaredTypeLoc =
true;
6267 while (HasDesugaredTypeLoc) {
6269 case TypeLoc::MacroQualified: {
6272 State.getExpansionLocForMacroQualifiedType(TL.
getTypePtr()));
6277 case TypeLoc::Attributed: {
6284 case TypeLoc::Adjusted:
6285 case TypeLoc::BTFTagAttributed: {
6290 case TypeLoc::DependentAddressSpace: {
6298 HasDesugaredTypeLoc =
false;
6303 DeclaratorLocFiller(S.
Context, State,
D.getTypeObject(i)).Visit(CurrTL);
6309 if (ReturnTypeInfo) {
6314 TypeSpecLocFiller(S, S.
Context, State,
D.getDeclSpec()).Visit(CurrTL);
6329 "LocInfoType's TypeClass conflicts with an existing Type class");
6335 llvm_unreachable(
"LocInfoType leaked into the type system; an opaque TypeTy*"
6336 " was used directly instead of getting the QualType through"
6337 " GetTypeFromParser");
6343 assert(
D.getIdentifier() ==
nullptr &&
6344 "Type name should have no identifier!");
6348 if (
D.isInvalidType())
6381 const Expr *AddrSpace,
6384 std::optional<llvm::APSInt> OptAddrSpace =
6386 if (!OptAddrSpace) {
6387 S.
Diag(AttrLoc, diag::err_attribute_argument_type)
6392 llvm::APSInt &addrSpace = *OptAddrSpace;
6395 if (addrSpace.isSigned()) {
6396 if (addrSpace.isNegative()) {
6397 S.
Diag(AttrLoc, diag::err_attribute_address_space_negative)
6401 addrSpace.setIsSigned(
false);
6404 llvm::APSInt
max(addrSpace.getBitWidth());
6408 if (addrSpace >
max) {
6409 S.
Diag(AttrLoc, diag::err_attribute_address_space_too_high)
6440 Diag(AttrLoc, diag::err_attribute_address_multiple_qualifiers);
6456 TypeProcessingState &State) {
6457 Sema &S = State.getSema();
6460 if (
Attr.getNumArgs() != 1) {
6461 S.
Diag(
Attr.
getLoc(), diag::err_attribute_wrong_number_arguments)
6468 auto *StrLiteral = dyn_cast<StringLiteral>(
Attr.getArgAsExpr(0));
6477 StringRef BTFTypeTag = StrLiteral->getString();
6478 Type = State.getBTFTagAttributedType(
6479 ::new (Ctx) BTFTypeTagAttr(Ctx,
Attr, BTFTypeTag),
Type);
6487 TypeProcessingState &State) {
6488 Sema &S = State.getSema();
6493 S.
Diag(
Attr.
getLoc(), diag::err_attribute_address_function_type);
6499 if (
Attr.
getKind() == ParsedAttr::AT_AddressSpace) {
6502 if (
Attr.getNumArgs() != 1) {
6509 Expr *ASArgExpr =
static_cast<Expr *
>(
Attr.getArgAsExpr(0));
6518 ::new (Ctx) AddressSpaceAttr(Ctx,
Attr,
static_cast<unsigned>(ASIdx));
6530 if (EquivType.
isNull()) {
6534 T = State.getAttributedType(ASAttr,
Type, EquivType);
6536 T = State.getAttributedType(ASAttr,
Type,
Type);
6547 :
Attr.asOpenCLLangAS();
6549 ASIdx =
Attr.asHLSLLangAS();
6552 llvm_unreachable(
"Invalid address space");
6570 bool NonObjCPointer =
false;
6572 if (!
type->isDependentType() && !
type->isUndeducedType()) {
6580 NonObjCPointer =
true;
6581 }
else if (!
type->isObjCRetainableType()) {
6587 if (state.isProcessingDeclSpec()) {
6595 Sema &S = state.getSema();
6601 if (!
attr.isArgIdent(0)) {
6602 S.
Diag(AttrLoc, diag::err_attribute_argument_type) <<
attr
6610 if (II->
isStr(
"none"))
6612 else if (II->
isStr(
"strong"))
6614 else if (II->
isStr(
"weak"))
6616 else if (II->
isStr(
"autoreleasing"))
6619 S.
Diag(AttrLoc, diag::warn_attribute_type_not_supported) <<
attr << II;
6636 =
type.getQualifiers().getObjCLifetime()) {
6639 S.
Diag(AttrLoc, diag::err_attr_objc_ownership_redundant)
6646 if (previousLifetime != lifetime) {
6649 const Type *prevTy =
nullptr;
6650 while (!prevTy || prevTy != underlyingType.
Ty) {
6651 prevTy = underlyingType.
Ty;
6660 if (NonObjCPointer) {
6661 StringRef name =
attr.getAttrName()->getName();
6670 S.
Diag(AttrLoc, diag::warn_type_attribute_wrong_type) << name
6687 type = state.getAttributedType(
6688 createSimpleAttr<ObjCInertUnsafeUnretainedAttr>(S.
Context,
attr),
6694 if (!NonObjCPointer)
6711 diagnostic,
type, 0));
6713 S.
Diag(loc, diagnostic);
6722 unsigned diagnostic =
6723 (S.
getLangOpts().ObjCWeakRuntime ? diag::err_arc_weak_disabled
6724 : diag::err_arc_weak_no_runtime);
6727 diagnoseOrDelay(S, AttrLoc, diagnostic,
type);
6739 if (
Class->isArcWeakrefUnavailable()) {
6740 S.
Diag(AttrLoc, diag::err_arc_unsupported_weak_class);
6741 S.
Diag(ObjT->getInterfaceDecl()->getLocation(),
6742 diag::note_class_declared);
6757 Sema &S = state.getSema();
6760 if (!
type->isPointerType() &&
6761 !
type->isObjCObjectPointerType() &&
6762 !
type->isBlockPointerType())
6766 S.
Diag(
attr.getLoc(), diag::err_attribute_multiple_objc_gc);
6772 if (!
attr.isArgIdent(0)) {
6773 S.
Diag(
attr.getLoc(), diag::err_attribute_argument_type)
6779 if (
attr.getNumArgs() > 1) {
6780 S.
Diag(
attr.getLoc(), diag::err_attribute_wrong_number_arguments) <<
attr
6787 if (II->
isStr(
"weak"))
6789 else if (II->
isStr(
"strong"))
6792 S.
Diag(
attr.getLoc(), diag::warn_attribute_type_not_supported)
6802 if (
attr.getLoc().isValid())
6803 type = state.getAttributedType(
6820 struct FunctionTypeUnwrapper {
6839 const Type *Ty =
T.getTypePtr();
6840 if (isa<FunctionType>(Ty)) {
6841 Fn = cast<FunctionType>(Ty);
6843 }
else if (isa<ParenType>(Ty)) {
6844 T = cast<ParenType>(Ty)->getInnerType();
6846 }
else if (isa<ConstantArrayType>(Ty) || isa<VariableArrayType>(Ty) ||
6847 isa<IncompleteArrayType>(Ty)) {
6848 T = cast<ArrayType>(Ty)->getElementType();
6849 Stack.push_back(Array);
6850 }
else if (isa<PointerType>(Ty)) {
6853 }
else if (isa<BlockPointerType>(Ty)) {
6855 Stack.push_back(BlockPointer);
6856 }
else if (isa<MemberPointerType>(Ty)) {
6858 Stack.push_back(MemberPointer);
6859 }
else if (isa<ReferenceType>(Ty)) {
6862 }
else if (isa<AttributedType>(Ty)) {
6863 T = cast<AttributedType>(Ty)->getEquivalentType();
6864 Stack.push_back(Attributed);
6865 }
else if (isa<MacroQualifiedType>(Ty)) {
6866 T = cast<MacroQualifiedType>(Ty)->getUnderlyingType();
6867 Stack.push_back(MacroQualified);
6876 Stack.push_back(Desugar);
6881 bool isFunctionType()
const {
return (Fn !=
nullptr); }
6886 if (New == get())
return Original;
6889 return wrap(S.
Context, Original, 0);
6894 if (I == Stack.size())
6903 return wrap(
C, SplitOld.
Ty, I);
6904 return C.getQualifiedType(wrap(
C, SplitOld.
Ty, I), SplitOld.
Quals);
6908 if (I == Stack.size())
return QualType(Fn, 0);
6910 switch (
static_cast<WrapKind
>(Stack[I++])) {
6917 return wrap(
C, cast<AttributedType>(Old)->getEquivalentType(), I);
6920 QualType New = wrap(
C, cast<ParenType>(Old)->getInnerType(), I);
6921 return C.getParenType(New);
6924 case MacroQualified:
6928 if (
const auto *CAT = dyn_cast<ConstantArrayType>(Old)) {
6929 QualType New = wrap(
C, CAT->getElementType(), I);
6930 return C.getConstantArrayType(New, CAT->getSize(), CAT->getSizeExpr(),
6931 CAT->getSizeModifier(),
6932 CAT->getIndexTypeCVRQualifiers());
6935 if (
const auto *VAT = dyn_cast<VariableArrayType>(Old)) {
6936 QualType New = wrap(
C, VAT->getElementType(), I);
6937 return C.getVariableArrayType(
6938 New, VAT->getSizeExpr(), VAT->getSizeModifier(),
6939 VAT->getIndexTypeCVRQualifiers(), VAT->getBracketsRange());
6942 const auto *IAT = cast<IncompleteArrayType>(Old);
6943 QualType New = wrap(
C, IAT->getElementType(), I);
6944 return C.getIncompleteArrayType(New, IAT->getSizeModifier(),
6945 IAT->getIndexTypeCVRQualifiers());
6950 return C.getPointerType(New);
6953 case BlockPointer: {
6955 return C.getBlockPointerType(New);
6958 case MemberPointer: {
6961 return C.getMemberPointerType(New, OldMPT->
getClass());
6967 if (isa<LValueReferenceType>(OldRef))
6970 return C.getRValueReferenceType(New);
6974 llvm_unreachable(
"unknown wrapping kind");
6981 Sema &S = State.getSema();
6985 default: llvm_unreachable(
"Unknown attribute kind");
6986 case ParsedAttr::AT_Ptr32:
6987 A = createSimpleAttr<Ptr32Attr>(S.
Context, PAttr);
6989 case ParsedAttr::AT_Ptr64:
6990 A = createSimpleAttr<Ptr64Attr>(S.
Context, PAttr);
6992 case ParsedAttr::AT_SPtr:
6993 A = createSimpleAttr<SPtrAttr>(S.
Context, PAttr);
6995 case ParsedAttr::AT_UPtr:
6996 A = createSimpleAttr<UPtrAttr>(S.
Context, PAttr);
7000 std::bitset<attr::LastAttr> Attrs;
7003 if (
const TypedefType *TT = dyn_cast<TypedefType>(Desugared)) {
7004 Desugared = TT->desugar();
7006 }
else if (
const ElaboratedType *ET = dyn_cast<ElaboratedType>(Desugared)) {
7007 Desugared = ET->desugar();
7020 if (Attrs[NewAttrKind]) {
7021 S.
Diag(PAttr.
getLoc(), diag::warn_duplicate_attribute_exact) << PAttr;
7024 Attrs[NewAttrKind] =
true;
7028 if (Attrs[attr::Ptr32] && Attrs[attr::Ptr64]) {
7029 S.
Diag(PAttr.
getLoc(), diag::err_attributes_are_not_compatible)
7031 <<
"'__ptr64'" << 0;
7033 }
else if (Attrs[attr::SPtr] && Attrs[attr::UPtr]) {
7034 S.
Diag(PAttr.
getLoc(), diag::err_attributes_are_not_compatible)
7042 if (!isa<PointerType>(Desugared)) {
7046 S.
Diag(PAttr.
getLoc(), diag::err_attribute_no_member_pointers) << PAttr;
7048 S.
Diag(PAttr.
getLoc(), diag::err_attribute_pointers_only) << PAttr << 0;
7056 if (PtrWidth == 32) {
7057 if (Attrs[attr::Ptr64])
7059 else if (Attrs[attr::UPtr])
7061 }
else if (PtrWidth == 64 && Attrs[attr::Ptr32]) {
7062 if (Attrs[attr::UPtr])
7078 assert(PAttr.
getKind() == ParsedAttr::AT_WebAssemblyFuncref);
7080 Sema &S = State.getSema();
7081 Attr *A = createSimpleAttr<WebAssemblyFuncrefAttr>(S.
Context, PAttr);
7083 std::bitset<attr::LastAttr> Attrs;
7085 const auto *AT = dyn_cast<AttributedType>(QT);
7087 Attrs[AT->getAttrKind()] =
true;
7088 AT = dyn_cast<AttributedType>(AT->getModifiedType());
7093 if (Attrs[NewAttrKind]) {
7094 S.
Diag(PAttr.
getLoc(), diag::warn_duplicate_attribute_exact) << PAttr;
7110 auto Attributed = dyn_cast<AttributedType>(
Type.getTypePtr());
7115 if (Attributed->getImmediateNullability())
7116 return Attributed->getModifiedType();
7120 Ctx, Attributed->getModifiedType());
7121 assert(Modified.
getTypePtr() != Attributed->getModifiedType().getTypePtr());
7123 Attributed->getEquivalentType());
7129 case ParsedAttr::AT_TypeNonNull:
7132 case ParsedAttr::AT_TypeNullable:
7135 case ParsedAttr::AT_TypeNullableResult:
7138 case ParsedAttr::AT_TypeNullUnspecified:
7142 llvm_unreachable(
"not a nullability attribute kind");
7149 bool IsContextSensitive,
bool AllowOnArrayType,
bool OverrideExisting) {
7150 bool Implicit = (State ==
nullptr);
7156 while (
auto *Attributed = dyn_cast<AttributedType>(Desugared.
getTypePtr())) {
7158 if (
auto ExistingNullability = Attributed->getImmediateNullability()) {
7160 if (Nullability == *ExistingNullability) {
7164 S.
Diag(NullabilityLoc, diag::warn_nullability_duplicate)
7171 if (!OverrideExisting) {
7173 S.
Diag(NullabilityLoc, diag::err_nullability_conflicting)
7183 Desugared = Attributed->getModifiedType();
7191 if (Nullability != *ExistingNullability && !
Implicit) {
7192 S.
Diag(NullabilityLoc, diag::err_nullability_conflicting)
7200 if (
auto typedefNullability =
7202 if (*typedefNullability == *ExistingNullability) {
7215 !(AllowOnArrayType && Desugared->
isArrayType())) {
7217 S.
Diag(NullabilityLoc, diag::err_nullability_nonpointer)
7225 if (IsContextSensitive) {
7227 const Type *pointeeType =
nullptr;
7236 S.
Diag(NullabilityLoc, diag::err_nullability_cs_multilevel)
7238 S.
Diag(NullabilityLoc, diag::note_nullability_type_specifier)
7250 QT = State->getAttributedType(A, QT, QT);
7260 bool AllowOnArrayType) {
7266 Nullability, NullabilityLoc,
7267 IsContextSensitive, AllowOnArrayType,
7274 bool AllowArrayTypes,
7275 bool OverrideExisting) {
7277 *
this,
nullptr,
nullptr,
Type, Nullability, DiagLoc,
7278 false, AllowArrayTypes, OverrideExisting);
7285 Sema &S = state.getSema();
7287 if (isa<ObjCTypeParamType>(
type)) {
7289 type = state.getAttributedType(
7302 S.
Diag(
attr.getLoc(), diag::err_objc_kindof_nonobject)
7311 objType->getBaseType(), objType->getTypeArgsAsWritten(),
7312 objType->getProtocols(),
7313 objType->isObjCUnqualifiedId() ?
false :
true);
7318 if (
auto nullability =
type->getNullability()) {
7321 assert(
attr.getAttributeSpellingListIndex() == 0 &&
7322 "multiple spellings for __kindof?");
7325 equivType = state.getAttributedType(A, equivType, equivType);
7330 type = state.getAttributedType(
7343 Declarator &declarator = state.getDeclarator();
7346 auto moveToChunk = [&](
DeclaratorChunk &chunk,
bool inFunction) ->
bool {
7359 PK_MemberFunctionPointer,
7364 : inFunction? PK_MemberFunctionPointer : PK_MemberPointer;
7366 auto diag = state.getSema().Diag(
attr.getLoc(),
7367 diag::warn_nullability_declspec)
7369 attr.isContextSensitiveKeywordAttribute())
7371 <<
static_cast<unsigned>(pointerKind);
7377 state.getSema().getPreprocessor().getLocForEndOfToken(
7379 " " +
attr.getAttrName()->getName().str() +
" ");
7389 for (
unsigned i = state.getCurrentChunkIndex(); i != 0; --i) {
7391 switch (chunk.
Kind) {
7395 return moveToChunk(chunk,
false);
7407 return moveToChunk(*dest,
true);
7423 assert(!
Attr.isInvalid());
7426 llvm_unreachable(
"not a calling convention attribute");
7427 case ParsedAttr::AT_CDecl:
7428 return createSimpleAttr<CDeclAttr>(Ctx,
Attr);
7429 case ParsedAttr::AT_FastCall:
7430 return createSimpleAttr<FastCallAttr>(Ctx,
Attr);
7431 case ParsedAttr::AT_StdCall:
7432 return createSimpleAttr<StdCallAttr>(Ctx,
Attr);
7433 case ParsedAttr::AT_ThisCall:
7434 return createSimpleAttr<ThisCallAttr>(Ctx,
Attr);
7435 case ParsedAttr::AT_RegCall:
7436 return createSimpleAttr<RegCallAttr>(Ctx,
Attr);
7437 case ParsedAttr::AT_Pascal:
7438 return createSimpleAttr<PascalAttr>(Ctx,
Attr);
7439 case ParsedAttr::AT_SwiftCall:
7440 return createSimpleAttr<SwiftCallAttr>(Ctx,
Attr);
7441 case ParsedAttr::AT_SwiftAsyncCall:
7442 return createSimpleAttr<SwiftAsyncCallAttr>(Ctx,
Attr);
7443 case ParsedAttr::AT_VectorCall:
7444 return createSimpleAttr<VectorCallAttr>(Ctx,
Attr);
7445 case ParsedAttr::AT_AArch64VectorPcs:
7446 return createSimpleAttr<AArch64VectorPcsAttr>(Ctx,
Attr);
7447 case ParsedAttr::AT_AArch64SVEPcs:
7448 return createSimpleAttr<AArch64SVEPcsAttr>(Ctx,
Attr);
7449 case ParsedAttr::AT_ArmStreaming:
7450 return createSimpleAttr<ArmStreamingAttr>(Ctx,
Attr);
7451 case ParsedAttr::AT_AMDGPUKernelCall:
7452 return createSimpleAttr<AMDGPUKernelCallAttr>(Ctx,
Attr);
7453 case ParsedAttr::AT_Pcs: {
7458 if (
Attr.isArgExpr(0))
7459 Str = cast<StringLiteral>(
Attr.getArgAsExpr(0))->getString();
7461 Str =
Attr.getArgAsIdent(0)->Ident->getName();
7462 PcsAttr::PCSType
Type;
7463 if (!PcsAttr::ConvertStrToPCSType(Str,
Type))
7464 llvm_unreachable(
"already validated the attribute");
7465 return ::new (Ctx) PcsAttr(Ctx,
Attr,
Type);
7467 case ParsedAttr::AT_IntelOclBicc:
7468 return createSimpleAttr<IntelOclBiccAttr>(Ctx,
Attr);
7469 case ParsedAttr::AT_MSABI:
7470 return createSimpleAttr<MSABIAttr>(Ctx,
Attr);
7471 case ParsedAttr::AT_SysVABI:
7472 return createSimpleAttr<SysVABIAttr>(Ctx,
Attr);
7473 case ParsedAttr::AT_PreserveMost:
7474 return createSimpleAttr<PreserveMostAttr>(Ctx,
Attr);
7475 case ParsedAttr::AT_PreserveAll:
7476 return createSimpleAttr<PreserveAllAttr>(Ctx,
Attr);
7477 case ParsedAttr::AT_M68kRTD:
7478 return createSimpleAttr<M68kRTDAttr>(Ctx,
Attr);
7479 case ParsedAttr::AT_PreserveNone:
7480 return createSimpleAttr<PreserveNoneAttr>(Ctx,
Attr);
7481 case ParsedAttr::AT_RISCVVectorCC:
7482 return createSimpleAttr<RISCVVectorCCAttr>(Ctx,
Attr);
7484 llvm_unreachable(
"unexpected attribute kind!");
7487std::optional<FunctionEffectMode>
7492 std::optional<llvm::APSInt> ConditionValue =
7494 if (!ConditionValue) {
7500 return std::nullopt;
7509 FunctionTypeUnwrapper &Unwrapped) {
7511 if (!Unwrapped.isFunctionType())
7514 Sema &S = TPState.getSema();
7518 if (FPT ==
nullptr) {
7519 S.
Diag(PAttr.
getLoc(), diag::err_func_with_effects_no_prototype)
7526 bool IsNonBlocking = PAttr.
getKind() == ParsedAttr::AT_NonBlocking ||
7527 PAttr.
getKind() == ParsedAttr::AT_Blocking;
7530 Expr *CondExpr =
nullptr;
7532 if (PAttr.
getKind() == ParsedAttr::AT_NonBlocking ||
7533 PAttr.
getKind() == ParsedAttr::AT_NonAllocating) {
7542 std::optional<FunctionEffectMode> MaybeMode =
7548 NewMode = *MaybeMode;
7583 assert(
Success &&
"effect conflicts should have been diagnosed above");
7587 FPT->getParamTypes(), EPI);
7596 auto OtherAttr = std::find_if(
7597 state.getCurrentAttributes().begin(), state.getCurrentAttributes().end(),
7598 [OtherKind](
const ParsedAttr &A) { return A.getKind() == OtherKind; });
7599 if (OtherAttr == state.getCurrentAttributes().end() || OtherAttr->isInvalid())
7602 Sema &S = state.getSema();
7604 << *OtherAttr <<
Attr
7605 << (OtherAttr->isRegularKeywordAttribute() ||
7607 S.
Diag(OtherAttr->getLoc(), diag::note_conflicting_attribute);
7616 if (!
Attr.getNumArgs()) {
7622 for (
unsigned I = 0; I <
Attr.getNumArgs(); ++I) {
7623 StringRef StateName;
7630 if (StateName ==
"za") {
7633 }
else if (StateName ==
"zt0") {
7637 S.
Diag(LiteralLoc, diag::err_unknown_arm_state) << StateName;
7646 S.
Diag(LiteralLoc, diag::err_conflicting_attributes_arm_state)
7662 Sema &S = state.getSema();
7664 FunctionTypeUnwrapper unwrapped(S,
type);
7666 if (
attr.getKind() == ParsedAttr::AT_NoReturn) {
7671 if (!unwrapped.isFunctionType())
7680 if (
attr.getKind() == ParsedAttr::AT_CmseNSCall) {
7682 if (!unwrapped.isFunctionType())
7687 S.
Diag(
attr.getLoc(), diag::warn_attribute_ignored) <<
attr;
7701 if (
attr.getKind() == ParsedAttr::AT_NSReturnsRetained) {
7702 if (
attr.getNumArgs())
return true;
7705 if (!unwrapped.isFunctionType())
7710 attr.getLoc(), unwrapped.get()->getReturnType()))
7715 if (state.getSema().getLangOpts().ObjCAutoRefCount) {
7720 type = state.getAttributedType(
7721 createSimpleAttr<NSReturnsRetainedAttr>(S.
Context,
attr),
7726 if (
attr.getKind() == ParsedAttr::AT_AnyX86NoCallerSavedRegisters) {
7731 if (!unwrapped.isFunctionType())
7740 if (
attr.getKind() == ParsedAttr::AT_AnyX86NoCfCheck) {
7742 S.
Diag(
attr.getLoc(), diag::warn_nocf_check_attribute_ignored);
7752 if (!unwrapped.isFunctionType())
7761 if (
attr.getKind() == ParsedAttr::AT_Regparm) {
7767 if (!unwrapped.isFunctionType())
7774 S.
Diag(
attr.getLoc(), diag::err_attributes_are_not_compatible)
7776 <<
attr.isRegularKeywordAttribute();
7787 if (
attr.getKind() == ParsedAttr::AT_ArmStreaming ||
7788 attr.getKind() == ParsedAttr::AT_ArmStreamingCompatible ||
7789 attr.getKind() == ParsedAttr::AT_ArmPreserves ||
7790 attr.getKind() == ParsedAttr::AT_ArmIn ||
7791 attr.getKind() == ParsedAttr::AT_ArmOut ||
7792 attr.getKind() == ParsedAttr::AT_ArmInOut) {
7796 if (
attr.getKind() == ParsedAttr::AT_ArmStreaming ||
7797 attr.getKind() == ParsedAttr::AT_ArmStreamingCompatible)
7801 if (!unwrapped.isFunctionType())
7808 S.
Diag(
attr.getLoc(), diag::warn_attribute_wrong_decl_type) <<
7815 switch (
attr.getKind()) {
7816 case ParsedAttr::AT_ArmStreaming:
7818 ParsedAttr::AT_ArmStreamingCompatible))
7822 case ParsedAttr::AT_ArmStreamingCompatible:
7827 case ParsedAttr::AT_ArmPreserves:
7831 case ParsedAttr::AT_ArmIn:
7835 case ParsedAttr::AT_ArmOut:
7839 case ParsedAttr::AT_ArmInOut:
7844 llvm_unreachable(
"Unsupported attribute");
7848 FnTy->getParamTypes(), EPI);
7853 if (
attr.getKind() == ParsedAttr::AT_NoThrow) {
7855 if (!unwrapped.isFunctionType())
7868 if (Proto->hasExceptionSpec()) {
7869 switch (Proto->getExceptionSpecType()) {
7871 llvm_unreachable(
"This doesn't have an exception spec!");
7889 S.
Diag(
attr.getLoc(), diag::warn_nothrow_attribute_ignored);
7895 type = unwrapped.wrap(
7904 if (
attr.getKind() == ParsedAttr::AT_NonBlocking ||
7905 attr.getKind() == ParsedAttr::AT_NonAllocating ||
7906 attr.getKind() == ParsedAttr::AT_Blocking ||
7907 attr.getKind() == ParsedAttr::AT_Allocating) {
7912 if (!unwrapped.isFunctionType())
return false;
7927 S.
Diag(
attr.getLoc(), diag::err_attributes_are_not_compatible)
7930 <<
attr.isRegularKeywordAttribute();
7949 return S.
Diag(
attr.getLoc(), diag::warn_cconv_unsupported)
7954 return S.
Diag(
attr.getLoc(), diag::err_cconv_varargs)
7961 S.
Diag(
attr.getLoc(), diag::err_attributes_are_not_compatible)
7963 <<
attr.isRegularKeywordAttribute();
7975 auto EI = unwrapped.get()->getExtInfo().withCallingConv(CC);
7999 FunctionTypeUnwrapper Unwrapped(*
this,
T);
8001 bool IsVariadic = (isa<FunctionProtoType>(FT) &&
8002 cast<FunctionProtoType>(FT)->isVariadic());
8016 Diag(
Loc, diag::warn_cconv_unsupported)
8027 if (CurCC != DefaultCC)
8035 QualType Wrapped = Unwrapped.wrap(*
this, FT);
8049 if (
Attr.getNumArgs() != 1) {
8056 Expr *SizeExpr =
Attr.getArgAsExpr(0);
8069 if (
Attr.getNumArgs() != 1) {
8075 Expr *SizeExpr =
Attr.getArgAsExpr(0);
8090 bool IsPolyUnsigned = Triple.getArch() == llvm::Triple::aarch64 ||
8091 Triple.getArch() == llvm::Triple::aarch64_32 ||
8092 Triple.getArch() == llvm::Triple::aarch64_be;
8094 if (IsPolyUnsigned) {
8096 return BTy->
getKind() == BuiltinType::UChar ||
8097 BTy->
getKind() == BuiltinType::UShort ||
8098 BTy->
getKind() == BuiltinType::ULong ||
8099 BTy->
getKind() == BuiltinType::ULongLong;
8102 return BTy->
getKind() == BuiltinType::SChar ||
8103 BTy->
getKind() == BuiltinType::Short ||
8104 BTy->
getKind() == BuiltinType::LongLong;
8110 if ((Triple.isArch64Bit() || Triple.getArch() == llvm::Triple::aarch64_32) &&
8111 BTy->
getKind() == BuiltinType::Double)
8114 return BTy->
getKind() == BuiltinType::SChar ||
8115 BTy->
getKind() == BuiltinType::UChar ||
8116 BTy->
getKind() == BuiltinType::Short ||
8117 BTy->
getKind() == BuiltinType::UShort ||
8118 BTy->
getKind() == BuiltinType::Int ||
8119 BTy->
getKind() == BuiltinType::UInt ||
8120 BTy->
getKind() == BuiltinType::Long ||
8121 BTy->
getKind() == BuiltinType::ULong ||
8122 BTy->
getKind() == BuiltinType::LongLong ||
8123 BTy->
getKind() == BuiltinType::ULongLong ||
8124 BTy->
getKind() == BuiltinType::Float ||
8125 BTy->
getKind() == BuiltinType::Half ||
8126 BTy->
getKind() == BuiltinType::BFloat16;
8131 const auto *AttrExpr =
Attr.getArgAsExpr(0);
8132 if (!AttrExpr->isTypeDependent()) {
8133 if (std::optional<llvm::APSInt> Res =
8134 AttrExpr->getIntegerConstantExpr(S.
Context)) {
8154 bool IsTargetCUDAAndHostARM =
false;
8157 IsTargetCUDAAndHostARM =
8181 if (
Attr.getNumArgs() != 1) {
8182 S.
Diag(
Attr.
getLoc(), diag::err_attribute_wrong_number_arguments)
8188 llvm::APSInt numEltsInt(32);
8194 !IsTargetCUDAAndHostARM) {
8195 S.
Diag(
Attr.
getLoc(), diag::err_attribute_invalid_vector_type) << CurType;
8202 unsigned numElts =
static_cast<unsigned>(numEltsInt.getZExtValue());
8203 unsigned vecSize = typeSize * numElts;
8204 if (vecSize != 64 && vecSize != 128) {
8205 S.
Diag(
Attr.
getLoc(), diag::err_attribute_bad_neon_vector_size) << CurType;
8229 S.
Diag(
Attr.
getLoc(), diag::err_attribute_arm_feature_sve_bits_unsupported)
8236 if (
Attr.getNumArgs() != 1) {
8237 S.
Diag(
Attr.
getLoc(), diag::err_attribute_wrong_number_arguments)
8244 llvm::APSInt SveVectorSizeInBits(32);
8248 unsigned VecSize =
static_cast<unsigned>(SveVectorSizeInBits.getZExtValue());
8271 if (BT->getKind() == BuiltinType::SveBool) {
8276 VecSize /= TypeSize;
8283 const VectorType *VT = dyn_cast<VectorType>(CurType);
8286 diag::err_attribute_arm_mve_polymorphism);
8292 State.getAttributedType(createSimpleAttr<ArmMveStrictPolymorphismAttr>(
8293 State.getSema().Context,
Attr),
8305 <<
Attr <<
"'zve32x'";
8311 if (!VScale || !VScale->first || VScale->first != VScale->second) {
8312 S.
Diag(
Attr.
getLoc(), diag::err_attribute_riscv_rvv_bits_unsupported)
8319 if (
Attr.getNumArgs() != 1) {
8320 S.
Diag(
Attr.
getLoc(), diag::err_attribute_wrong_number_arguments)
8327 llvm::APSInt RVVVectorSizeInBits(32);
8339 unsigned VecSize =
static_cast<unsigned>(RVVVectorSizeInBits.getZExtValue());
8343 unsigned MinElts = Info.
EC.getKnownMinValue();
8346 unsigned ExpectedSize = VScale->first * MinElts;
8354 ExpectedSize *= EltSize;
8355 NumElts = VecSize / EltSize;
8359 if (ExpectedSize % 8 != 0 || VecSize != ExpectedSize) {
8361 << VecSize << ExpectedSize;
8374 S.
Diag(
Attr.
getLoc(), diag::err_opencl_invalid_access_qualifier);
8380 QualType BaseTy = TypedefTy->desugar();
8382 std::string PrevAccessQual;
8384 if (TypedefTy->getDecl()->hasAttr<OpenCLAccessAttr>()) {
8385 OpenCLAccessAttr *
Attr =
8386 TypedefTy->getDecl()->getAttr<OpenCLAccessAttr>();
8389 PrevAccessQual =
"read_only";
8393 switch (ImgType->getKind()) {
8394 #define IMAGE_TYPE(ImgType, Id, SingletonId, Access, Suffix) \
8395 case BuiltinType::Id: \
8396 PrevAccessQual = #Access; \
8398 #include "clang/Basic/OpenCLImageTypes.def"
8400 llvm_unreachable(
"Unable to find corresponding image type.");
8403 llvm_unreachable(
"unexpected type");
8406 if (PrevAccessQual == AttrName.ltrim(
"_")) {
8412 S.
Diag(
Attr.
getLoc(), diag::err_opencl_multiple_access_qualifiers);
8415 S.
Diag(TypedefTy->getDecl()->getBeginLoc(),
8416 diag::note_opencl_typedef_access_qualifier) << PrevAccessQual;
8418 if (
Attr.getSemanticSpelling() == OpenCLAccessAttr::Keyword_write_only) {
8433 if (
Attr.getNumArgs() != 2) {
8434 S.
Diag(
Attr.
getLoc(), diag::err_attribute_wrong_number_arguments)
8439 Expr *RowsExpr =
Attr.getArgAsExpr(0);
8440 Expr *ColsExpr =
Attr.getArgAsExpr(1);
8448 Sema &S = State.getSema();
8451 S.
Diag(PA.
getLoc(), diag::err_attribute_too_few_arguments) << PA << 1;
8463 for (
unsigned Idx = 1; Idx < PA.
getNumArgs(); Idx++) {
8469 auto *AnnotateTypeAttr =
8470 AnnotateTypeAttr::Create(S.
Context, Str, Args.data(), Args.size(), PA);
8471 CurType = State.getAttributedType(AnnotateTypeAttr, CurType, CurType);
8477 if (State.getDeclarator().isDeclarationOfFunction()) {
8478 CurType = State.getAttributedType(
8479 createSimpleAttr<LifetimeBoundAttr>(State.getSema().Context,
Attr),
8490 if (
Attr.getSemanticSpelling() == HLSLParamModifierAttr::Keyword_inout ||
8491 Attr.getSemanticSpelling() == HLSLParamModifierAttr::Keyword_out)
8500 state.setParsedNoDeref(
false);
8516 if (
attr.isInvalid())
8519 if (
attr.isStandardAttributeSyntax() ||
attr.isRegularKeywordAttribute()) {
8524 if (
attr.isGNUScope()) {
8525 assert(
attr.isStandardAttributeSyntax());
8526 bool IsTypeAttr =
attr.isTypeAttr();
8528 state.getSema().Diag(
attr.getLoc(),
8530 ? diag::warn_gcc_ignores_type_attr
8531 : diag::warn_cxx11_gnu_attribute_on_type)
8537 !
attr.isTypeAttr()) {
8550 switch (
attr.getKind()) {
8553 if ((
attr.isStandardAttributeSyntax() ||
8554 attr.isRegularKeywordAttribute()) &&
8556 state.getSema().Diag(
attr.getLoc(), diag::err_attribute_not_type_attr)
8557 <<
attr <<
attr.isRegularKeywordAttribute();
8558 attr.setUsedAsTypeAttr();
8563 if (
attr.isStandardAttributeSyntax()) {
8564 state.getSema().Diag(
attr.getLoc(),
8565 diag::warn_unknown_attribute_ignored)
8576 case ParsedAttr::AT_BTFTypeTag:
8578 attr.setUsedAsTypeAttr();
8581 case ParsedAttr::AT_MayAlias:
8584 attr.setUsedAsTypeAttr();
8586 case ParsedAttr::AT_OpenCLPrivateAddressSpace:
8587 case ParsedAttr::AT_OpenCLGlobalAddressSpace:
8588 case ParsedAttr::AT_OpenCLGlobalDeviceAddressSpace:
8589 case ParsedAttr::AT_OpenCLGlobalHostAddressSpace:
8590 case ParsedAttr::AT_OpenCLLocalAddressSpace:
8591 case ParsedAttr::AT_OpenCLConstantAddressSpace:
8592 case ParsedAttr::AT_OpenCLGenericAddressSpace:
8593 case ParsedAttr::AT_HLSLGroupSharedAddressSpace:
8594 case ParsedAttr::AT_AddressSpace:
8596 attr.setUsedAsTypeAttr();
8601 attr.setUsedAsTypeAttr();
8603 case ParsedAttr::AT_VectorSize:
8605 attr.setUsedAsTypeAttr();
8607 case ParsedAttr::AT_ExtVectorType:
8609 attr.setUsedAsTypeAttr();
8611 case ParsedAttr::AT_NeonVectorType:
8613 attr.setUsedAsTypeAttr();
8615 case ParsedAttr::AT_NeonPolyVectorType:
8618 attr.setUsedAsTypeAttr();
8620 case ParsedAttr::AT_ArmSveVectorBits:
8622 attr.setUsedAsTypeAttr();
8624 case ParsedAttr::AT_ArmMveStrictPolymorphism: {
8626 attr.setUsedAsTypeAttr();
8629 case ParsedAttr::AT_RISCVRVVVectorBits:
8631 attr.setUsedAsTypeAttr();
8633 case ParsedAttr::AT_OpenCLAccess:
8635 attr.setUsedAsTypeAttr();
8637 case ParsedAttr::AT_LifetimeBound:
8642 case ParsedAttr::AT_NoDeref: {
8647 if (
attr.isStandardAttributeSyntax()) {
8648 state.getSema().Diag(
attr.getLoc(), diag::warn_attribute_ignored)
8653 type = state.getAttributedType(createSimpleAttr<NoDerefAttr>(Ctx,
attr),
8655 attr.setUsedAsTypeAttr();
8656 state.setParsedNoDeref(
true);
8660 case ParsedAttr::AT_MatrixType:
8662 attr.setUsedAsTypeAttr();
8665 case ParsedAttr::AT_WebAssemblyFuncref: {
8667 attr.setUsedAsTypeAttr();
8671 case ParsedAttr::AT_HLSLParamModifier: {
8673 attr.setUsedAsTypeAttr();
8679 attr.setUsedAsTypeAttr();
8687 if (
type->canHaveNullability() ||
type->isDependentType() ||
8688 type->isArrayType() ||
8692 endIndex = state.getCurrentChunkIndex();
8694 endIndex = state.getDeclarator().getNumTypeObjects();
8695 bool allowOnArrayType =
8696 state.getDeclarator().isPrototypeContext() &&
8699 allowOnArrayType)) {
8703 attr.setUsedAsTypeAttr();
8707 case ParsedAttr::AT_ObjCKindOf:
8715 state.getSema().Diag(
attr.getLoc(),
8716 diag::err_objc_kindof_wrong_position)
8719 state.getDeclarator().getDeclSpec().getBeginLoc(),
8729 case ParsedAttr::AT_NoThrow:
8732 if (!state.getSema().getLangOpts().CPlusPlus)
8736 attr.setUsedAsTypeAttr();
8740 if (
attr.isStandardAttributeSyntax() ||
8741 attr.isRegularKeywordAttribute()) {
8758 case ParsedAttr::AT_AcquireHandle: {
8759 if (!
type->isFunctionType())
8762 if (
attr.getNumArgs() != 1) {
8763 state.getSema().Diag(
attr.getLoc(),
8764 diag::err_attribute_wrong_number_arguments)
8770 StringRef HandleType;
8771 if (!state.getSema().checkStringLiteralArgumentAttr(
attr, 0, HandleType))
8773 type = state.getAttributedType(
8774 AcquireHandleAttr::Create(state.getSema().Context, HandleType,
attr),
8776 attr.setUsedAsTypeAttr();
8779 case ParsedAttr::AT_AnnotateType: {
8781 attr.setUsedAsTypeAttr();
8788 if (isa<AttributedType>(
type) &&
attr.hasMacroIdentifier() &&
8789 !
type.getQualifiers().hasObjCLifetime() &&
8790 !
type.getQualifiers().hasObjCGCAttr() &&
8791 attr.getKind() != ParsedAttr::AT_ObjCGC &&
8792 attr.getKind() != ParsedAttr::AT_ObjCOwnership) {
8794 type = state.getSema().Context.getMacroQualifiedType(
type, MacroII);
8795 state.setExpansionLocForMacroQualifiedType(
8796 cast<MacroQualifiedType>(
type.getTypePtr()),
8797 attr.getMacroExpansionLoc());
8804 if (
VarDecl *Var = dyn_cast<VarDecl>(DRE->getDecl())) {
8806 auto *Def = Var->getDefinition();
8812 Def = Var->getDefinition();
8819 if (Var->getPointOfInstantiation().isInvalid() && Def) {
8820 assert(Var->getTemplateSpecializationKind() ==
8822 "explicit instantiation with no point of instantiation");
8823 Var->setTemplateSpecializationKind(
8824 Var->getTemplateSpecializationKind(), PointOfInstantiation);
8844 if (
const auto CastE = dyn_cast<ExplicitCastExpr>(
E)) {
8845 QualType DestType = CastE->getTypeAsWritten();
8851 IAT->getElementType(),
8888 if (RequireCompleteTypeImpl(
Loc,
T, Kind, &Diagnoser))
8891 if (!Tag->getDecl()->isCompleteDefinitionRequired()) {
8892 Tag->getDecl()->setCompleteDefinitionRequired();
8922 if (isa<TagDecl>(
D) && cast<TagDecl>(
D)->isBeingDefined()) {
8926 }
else if (
auto *RD = dyn_cast<CXXRecordDecl>(
D)) {
8927 if (
auto *Pattern = RD->getTemplateInstantiationPattern())
8929 D = RD->getDefinition();
8930 }
else if (
auto *ED = dyn_cast<EnumDecl>(
D)) {
8931 if (
auto *Pattern = ED->getTemplateInstantiationPattern())
8933 if (OnlyNeedComplete && (ED->isFixed() ||
getLangOpts().MSVCCompat)) {
8939 *Suggested =
nullptr;
8940 for (
auto *Redecl : ED->redecls()) {
8943 if (Redecl->isThisDeclarationADefinition() ||
8944 (Redecl->isCanonicalDecl() && !*Suggested))
8945 *Suggested = Redecl;
8950 D = ED->getDefinition();
8951 }
else if (
auto *FD = dyn_cast<FunctionDecl>(
D)) {
8952 if (
auto *Pattern = FD->getTemplateInstantiationPattern())
8954 D = FD->getDefinition();
8955 }
else if (
auto *VD = dyn_cast<VarDecl>(
D)) {
8956 if (
auto *Pattern = VD->getTemplateInstantiationPattern())
8958 D = VD->getDefinition();
8961 assert(
D &&
"missing definition for pattern of instantiated definition");
8965 auto DefinitionIsAcceptable = [&] {
8985 if (DefinitionIsAcceptable())
8991 Source->CompleteRedeclChain(
D);
8992 return DefinitionIsAcceptable();
9008 bool OnlyNeedComplete) {
9025 bool OnlyNeedComplete) {
9033 if (!RD->
hasAttr<MSInheritanceAttr>()) {
9035 bool BestCase =
false;
9055 RD->
addAttr(MSInheritanceAttr::CreateImplicit(
9062 CompleteTypeKind Kind,
9063 TypeDiagnoser *Diagnoser) {
9073 if (!MPTy->getClass()->isDependentType()) {
9075 !MPTy->getClass()->getAsCXXRecordDecl()->isBeingDefined() &&
9077 diag::err_memptr_incomplete))
9096 if (Def && !isa<EnumDecl>(Def))
9107 if (Diagnoser && Suggested)
9110 return !TreatAsComplete;
9112 CodeSynthesisContext TempInst;
9114 TempInst.Template = Def;
9115 TempInst.Entity = Def;
9116 TempInst.PointOfInstantiation =
Loc;
9124 TagDecl *
Tag = dyn_cast_or_null<TagDecl>(Def);
9138 if (Tag &&
Tag->hasExternalLexicalStorage())
9139 Source->CompleteType(Tag);
9141 Source->CompleteType(IFace);
9145 return RequireCompleteTypeImpl(
Loc,
T, Kind, Diagnoser);
9152 if (
auto *RD = dyn_cast_or_null<CXXRecordDecl>(Tag)) {
9153 bool Instantiated =
false;
9154 bool Diagnosed =
false;
9155 if (RD->isDependentContext()) {
9159 }
else if (
auto *ClassTemplateSpec =
9160 dyn_cast<ClassTemplateSpecializationDecl>(RD)) {
9161 if (ClassTemplateSpec->getSpecializationKind() ==
TSK_Undeclared) {
9167 Instantiated =
true;
9171 if (!RD->isBeingDefined() && Pattern) {
9173 assert(MSI &&
"Missing member specialization information?");
9183 Instantiated =
true;
9191 if (Diagnoser && Diagnosed)
9197 return RequireCompleteTypeImpl(
Loc,
T, Kind, Diagnoser);
9207 Diagnoser->diagnose(*
this,
Loc,
T);
9211 if (Tag && !
Tag->isInvalidDecl() && !
Tag->getLocation().isInvalid())
9213 Tag->isBeingDefined() ? diag::note_type_being_defined
9214 : diag::note_forward_declaration)
9248 default: llvm_unreachable(
"Invalid tag kind for literal type diagnostic!");
9292 for (
const auto &I : RD->
vbases())
9293 Diag(I.getBeginLoc(), diag::note_constexpr_virtual_base_here)
9294 << I.getSourceRange();
9297 Diag(RD->
getLocation(), diag::note_non_literal_no_constexpr_ctors) << RD;
9299 for (
const auto &I : RD->
bases()) {
9300 if (!I.getType()->isLiteralType(
Context)) {
9301 Diag(I.getBeginLoc(), diag::note_non_literal_base_class)
9302 << RD << I.getType() << I.getSourceRange();
9306 for (
const auto *I : RD->
fields()) {
9307 if (!I->getType()->isLiteralType(
Context) ||
9308 I->getType().isVolatileQualified()) {
9309 Diag(I->getLocation(), diag::note_non_literal_field)
9310 << RD << I << I->getType()
9311 << I->getType().isVolatileQualified();
9321 assert(Dtor &&
"class has literal fields and bases but no dtor?");
9330 ? diag::note_non_literal_user_provided_dtor
9331 : diag::note_non_literal_nontrivial_dtor)
9376 auto *CountDecl = cast<DeclRefExpr>(
E)->getDecl();
9400 if (
auto *ImplCastExpr = dyn_cast<ImplicitCastExpr>(
E))
9401 IDExpr = ImplCastExpr->getSubExpr();
9403 if (
auto *PackExpr = dyn_cast<PackIndexingExpr>(
E)) {
9405 IDExpr = PackExpr->getPackIdExpression();
9407 IDExpr = PackExpr->getSelectedExpr();
9423 if (
const auto *SNTTPE = dyn_cast<SubstNonTypeTemplateParmExpr>(IDExpr))
9424 return SNTTPE->getParameterType(
Context);
9432 if (
const auto *DRE = dyn_cast<DeclRefExpr>(IDExpr)) {
9435 return isa<TemplateParamObjectDecl>(VD) ?
T.getUnqualifiedType() :
T;
9437 if (
const auto *ME = dyn_cast<MemberExpr>(IDExpr)) {
9438 if (
const auto *VD = ME->getMemberDecl())
9439 if (isa<FieldDecl>(VD) || isa<VarDecl>(VD))
9440 return VD->getType();
9441 }
else if (
const auto *IR = dyn_cast<ObjCIvarRefExpr>(IDExpr)) {
9442 return IR->getDecl()->getType();
9443 }
else if (
const auto *PR = dyn_cast<ObjCPropertyRefExpr>(IDExpr)) {
9444 if (PR->isExplicitProperty())
9445 return PR->getExplicitProperty()->getType();
9446 }
else if (
const auto *PE = dyn_cast<PredefinedExpr>(IDExpr)) {
9447 return PE->getType();
9458 if (
auto *DRE = dyn_cast<DeclRefExpr>(IDExpr->
IgnoreParens())) {
9459 if (
auto *Var = dyn_cast<VarDecl>(DRE->getDecl())) {
9492 Diag(
Loc, diag::err_expected_name_of_pack) << Pattern;
9498 : diag::ext_pack_indexing);
9505 bool FullySubstituted,
9508 std::optional<int64_t> Index;
9516 Index =
Value.getExtValue();
9517 IndexExpr = Res.
get();
9520 if (FullySubstituted && Index) {
9521 if (*Index < 0 || *Index >= int64_t(Expansions.size())) {
9523 << *Index << Pattern << Expansions.size();
9529 Expansions, Index.value_or(-1));
9536 assert(ED &&
"EnumType has no EnumDecl");
9541 assert(!Underlying.
isNull());
9549 Diag(
Loc, diag::err_only_enums_have_underlying_types);
9557 Diag(
Loc, diag::err_underlying_type_of_incomplete_enum) << BaseType;
9558 Diag(FwdDecl->
getLocation(), diag::note_forward_declaration) << FwdDecl;
9594 Split.Quals.removeCVRQualifiers();
9604 UKind == UnaryTransformType::AddLvalueReference,
9612 if (UKind == UnaryTransformType::RemoveAllExtents)
9616 return AT->getElementType();
9625 if (UKind == UTTKind::RemoveCVRef &&
9626 (
T.isConstQualified() ||
T.isVolatileQualified())) {
9638 if ((BaseType->
isReferenceType() && UKind != UTTKind::RemoveRestrict) ||
9645 if (UKind == UTTKind::RemoveConst || UKind == UTTKind::RemoveCV)
9647 if (UKind == UTTKind::RemoveVolatile || UKind == UTTKind::RemoveCV)
9649 if (UKind == UTTKind::RemoveRestrict)
9660 if (
auto *
BitInt = dyn_cast<BitIntType>(Underlying)) {
9661 unsigned int Bits =
BitInt->getNumBits();
9665 S.
Diag(
Loc, diag::err_make_signed_integral_only)
9666 << IsMakeSigned <<
true << BaseType << 1 << Underlying;
9670 S.
Diag(
Loc, diag::err_make_signed_integral_only)
9671 << IsMakeSigned <<
false << BaseType << 1
9678 std::array<CanQualType *, 6> AllSignedIntegers = {
9682 AllSignedIntegers.data(), AllSignedIntegers.size() - Int128Unsupported);
9683 std::array<CanQualType *, 6> AllUnsignedIntegers = {
9688 AllUnsignedIntegers.size() -
9691 IsMakeSigned ? &AvailableSignedIntegers : &AvailableUnsignedIntegers;
9695 llvm::find_if(*Consider, [&S, BaseSize](
const CanQual<Type> *
T) {
9699 assert(
Result != Consider->end());
9700 return QualType((*Result)->getTypePtr(), 0);
9705 bool IsMakeSigned = UKind == UnaryTransformType::MakeSigned;
9710 Diag(
Loc, diag::err_make_signed_integral_only)
9711 << IsMakeSigned << BaseType->
isBitIntType() << BaseType << 0;
9715 bool IsNonIntIntegral =
9735 case UnaryTransformType::EnumUnderlyingType: {
9739 case UnaryTransformType::AddPointer: {
9743 case UnaryTransformType::RemovePointer: {
9747 case UnaryTransformType::Decay: {
9751 case UnaryTransformType::AddLvalueReference:
9752 case UnaryTransformType::AddRvalueReference: {
9756 case UnaryTransformType::RemoveAllExtents:
9757 case UnaryTransformType::RemoveExtent: {
9761 case UnaryTransformType::RemoveCVRef:
9762 case UnaryTransformType::RemoveReference: {
9766 case UnaryTransformType::RemoveConst:
9767 case UnaryTransformType::RemoveCV:
9768 case UnaryTransformType::RemoveRestrict:
9769 case UnaryTransformType::RemoveVolatile: {
9773 case UnaryTransformType::MakeSigned:
9774 case UnaryTransformType::MakeUnsigned: {
9792 int DisallowedKind = -1;
9801 else if (
T.hasQualifiers())
9814 if (DisallowedKind != -1) {
9815 Diag(
Loc, diag::err_atomic_specifier_bad_type) << DisallowedKind <<
T;
Defines the clang::ASTContext interface.
Defines the C++ template declaration subclasses.
Defines the classes clang::DelayedDiagnostic and clang::AccessedEntity.
static DiagnosticBuilder Diag(DiagnosticsEngine *Diags, const LangOptions &Features, FullSourceLoc TokLoc, const char *TokBegin, const char *TokRangeBegin, const char *TokRangeEnd, unsigned DiagID)
Produce a diagnostic highlighting some portion of a literal.
Implements a partial diagnostic that can be emitted anwyhere in a DiagnosticBuilder stream.
Defines the clang::Preprocessor interface.
static QualType getUnderlyingType(const SubRegion *R)
static std::string toString(const clang::SanitizerSet &Sanitizers)
Produce a string containing comma-separated names of sanitizers in Sanitizers set.
This file declares semantic analysis for CUDA constructs.
This file declares semantic analysis for Objective-C.
This file declares semantic analysis for OpenMP constructs and clauses.
static void HandleNeonVectorTypeAttr(QualType &CurType, const ParsedAttr &Attr, Sema &S, VectorKind VecKind)
HandleNeonVectorTypeAttr - The "neon_vector_type" and "neon_polyvector_type" attributes are used to c...
static QualType deduceOpenCLPointeeAddrSpace(Sema &S, QualType PointeeType)
static bool isPermittedNeonBaseType(QualType &Ty, VectorKind VecKind, Sema &S)
static void distributeObjCPointerTypeAttr(TypeProcessingState &state, ParsedAttr &attr, QualType type)
Given that an objc_gc attribute was written somewhere on a declaration other than on the declarator i...
static void maybeSynthesizeBlockSignature(TypeProcessingState &state, QualType declSpecType)
Add a synthetic '()' to a block-literal declarator if it is required, given the return type.
#define MS_TYPE_ATTRS_CASELIST
#define CALLING_CONV_ATTRS_CASELIST
static void emitNullabilityConsistencyWarning(Sema &S, SimplePointerKind PointerKind, SourceLocation PointerLoc, SourceLocation PointerEndLoc)
static void fixItNullability(Sema &S, DiagBuilderT &Diag, SourceLocation PointerLoc, NullabilityKind Nullability)
Creates a fix-it to insert a C-style nullability keyword at pointerLoc, taking into account whitespac...
static ExprResult checkArraySize(Sema &S, Expr *&ArraySize, llvm::APSInt &SizeVal, unsigned VLADiag, bool VLAIsError)
Check whether the specified array bound can be evaluated using the relevant language rules.
static Attr * createNullabilityAttr(ASTContext &Ctx, ParsedAttr &Attr, NullabilityKind NK)
static void HandleVectorSizeAttr(QualType &CurType, const ParsedAttr &Attr, Sema &S)
HandleVectorSizeAttribute - this attribute is only applicable to integral and float scalars,...
static void inferARCWriteback(TypeProcessingState &state, QualType &declSpecType)
Given that this is the declaration of a parameter under ARC, attempt to infer attributes and such for...
static TypeSourceInfo * GetTypeSourceInfoForDeclarator(TypeProcessingState &State, QualType T, TypeSourceInfo *ReturnTypeInfo)
Create and instantiate a TypeSourceInfo with type source information.
static bool BuildAddressSpaceIndex(Sema &S, LangAS &ASIdx, const Expr *AddrSpace, SourceLocation AttrLoc)
Build an AddressSpace index from a constant expression and diagnose any errors related to invalid add...
static void HandleBTFTypeTagAttribute(QualType &Type, const ParsedAttr &Attr, TypeProcessingState &State)
static void transferARCOwnershipToDeclaratorChunk(TypeProcessingState &state, Qualifiers::ObjCLifetime ownership, unsigned chunkIndex)
static bool handleObjCGCTypeAttr(TypeProcessingState &state, ParsedAttr &attr, QualType &type)
handleObjCGCTypeAttr - Process the attribute((objc_gc)) type attribute on the specified type.
static void fillAtomicQualLoc(AtomicTypeLoc ATL, const DeclaratorChunk &Chunk)
static void HandleExtVectorTypeAttr(QualType &CurType, const ParsedAttr &Attr, Sema &S)
Process the OpenCL-like ext_vector_type attribute when it occurs on a type.
static void HandleLifetimeBoundAttr(TypeProcessingState &State, QualType &CurType, ParsedAttr &Attr)
static bool handleArmStateAttribute(Sema &S, FunctionProtoType::ExtProtoInfo &EPI, ParsedAttr &Attr, FunctionType::ArmStateValue State)
static void distributeFunctionTypeAttrFromDeclSpec(TypeProcessingState &state, ParsedAttr &attr, QualType &declSpecType, CUDAFunctionTarget CFT)
A function type attribute was written in the decl spec.
static bool handleObjCPointerTypeAttr(TypeProcessingState &state, ParsedAttr &attr, QualType &type)
static QualType inferARCLifetimeForPointee(Sema &S, QualType type, SourceLocation loc, bool isReference)
Given that we're building a pointer or reference to the given.
static bool handleNonBlockingNonAllocatingTypeAttr(TypeProcessingState &TPState, ParsedAttr &PAttr, QualType &QT, FunctionTypeUnwrapper &Unwrapped)
static QualType ChangeIntegralSignedness(Sema &S, QualType BaseType, bool IsMakeSigned, SourceLocation Loc)
static bool CheckNullabilityTypeSpecifier(Sema &S, TypeProcessingState *State, ParsedAttr *PAttr, QualType &QT, NullabilityKind Nullability, SourceLocation NullabilityLoc, bool IsContextSensitive, bool AllowOnArrayType, bool OverrideExisting)
#define OBJC_POINTER_TYPE_ATTRS_CASELIST
static void diagnoseBadTypeAttribute(Sema &S, const ParsedAttr &attr, QualType type)
diagnoseBadTypeAttribute - Diagnoses a type attribute which doesn't apply to the given type.
static PointerDeclaratorKind classifyPointerDeclarator(Sema &S, QualType type, Declarator &declarator, PointerWrappingDeclaratorKind &wrappingKind)
Classify the given declarator, whose type-specified is type, based on what kind of pointer it refers ...
static bool verifyValidIntegerConstantExpr(Sema &S, const ParsedAttr &Attr, llvm::APSInt &Result)
static bool handleMSPointerTypeQualifierAttr(TypeProcessingState &state, ParsedAttr &attr, QualType &type)
static bool shouldHaveNullability(QualType T)
static void HandleArmMveStrictPolymorphismAttr(TypeProcessingState &State, QualType &CurType, ParsedAttr &Attr)
static void warnAboutAmbiguousFunction(Sema &S, Declarator &D, DeclaratorChunk &DeclType, QualType RT)
Produce an appropriate diagnostic for an ambiguity between a function declarator and a C++ direct-ini...
static void distributeObjCPointerTypeAttrFromDeclarator(TypeProcessingState &state, ParsedAttr &attr, QualType &declSpecType)
Distribute an objc_gc type attribute that was written on the declarator.
static FileID getNullabilityCompletenessCheckFileID(Sema &S, SourceLocation loc)
static void HandleArmSveVectorBitsTypeAttr(QualType &CurType, ParsedAttr &Attr, Sema &S)
HandleArmSveVectorBitsTypeAttr - The "arm_sve_vector_bits" attribute is used to create fixed-length v...
#define FUNCTION_TYPE_ATTRS_CASELIST
static bool distributeNullabilityTypeAttr(TypeProcessingState &state, QualType type, ParsedAttr &attr)
Distribute a nullability type attribute that cannot be applied to the type specifier to a pointer,...
static void distributeTypeAttrsFromDeclarator(TypeProcessingState &state, QualType &declSpecType, CUDAFunctionTarget CFT)
Given that there are attributes written on the declarator or declaration itself, try to distribute an...
static bool isDependentOrGNUAutoType(QualType T)
static void distributeFunctionTypeAttr(TypeProcessingState &state, ParsedAttr &attr, QualType type)
A function type attribute was written somewhere in a declaration other than on the declarator itself ...
static void HandleMatrixTypeAttr(QualType &CurType, const ParsedAttr &Attr, Sema &S)
HandleMatrixTypeAttr - "matrix_type" attribute, like ext_vector_type.
static bool HandleWebAssemblyFuncrefAttr(TypeProcessingState &State, QualType &QT, ParsedAttr &PAttr)
static bool hasOuterPointerLikeChunk(const Declarator &D, unsigned endIndex)
Returns true if any of the declarator chunks before endIndex include a level of indirection: array,...
static void HandleOpenCLAccessAttr(QualType &CurType, const ParsedAttr &Attr, Sema &S)
Handle OpenCL Access Qualifier Attribute.
static NullabilityKind mapNullabilityAttrKind(ParsedAttr::Kind kind)
Map a nullability attribute kind to a nullability kind.
static bool distributeFunctionTypeAttrToInnermost(TypeProcessingState &state, ParsedAttr &attr, ParsedAttributesView &attrList, QualType &declSpecType, CUDAFunctionTarget CFT)
Try to distribute a function type attribute to the innermost function chunk or type.
#define NULLABILITY_TYPE_ATTRS_CASELIST
static QualType GetDeclSpecTypeForDeclarator(TypeProcessingState &state, TypeSourceInfo *&ReturnTypeInfo)
static void checkNullabilityConsistency(Sema &S, SimplePointerKind pointerKind, SourceLocation pointerLoc, SourceLocation pointerEndLoc=SourceLocation())
Complains about missing nullability if the file containing pointerLoc has other uses of nullability (...
static void transferARCOwnership(TypeProcessingState &state, QualType &declSpecTy, Qualifiers::ObjCLifetime ownership)
Used for transferring ownership in casts resulting in l-values.
static std::string getPrintableNameForEntity(DeclarationName Entity)
static std::string getFunctionQualifiersAsString(const FunctionProtoType *FnTy)
static QualType rebuildAttributedTypeWithoutNullability(ASTContext &Ctx, QualType Type)
Rebuild an attributed type without the nullability attribute on it.
static DeclaratorChunk * maybeMovePastReturnType(Declarator &declarator, unsigned i, bool onlyBlockPointers)
Given the index of a declarator chunk, check whether that chunk directly specifies the return type of...
static OpenCLAccessAttr::Spelling getImageAccess(const ParsedAttributesView &Attrs)
static void fillMatrixTypeLoc(MatrixTypeLoc MTL, const ParsedAttributesView &Attrs)
static UnaryTransformType::UTTKind TSTToUnaryTransformType(DeclSpec::TST SwitchTST)
static void HandleRISCVRVVVectorBitsTypeAttr(QualType &CurType, ParsedAttr &Attr, Sema &S)
HandleRISCVRVVVectorBitsTypeAttr - The "riscv_rvv_vector_bits" attribute is used to create fixed-leng...
static void HandleAddressSpaceTypeAttribute(QualType &Type, const ParsedAttr &Attr, TypeProcessingState &State)
HandleAddressSpaceTypeAttribute - Process an address_space attribute on the specified type.
static bool checkQualifiedFunction(Sema &S, QualType T, SourceLocation Loc, QualifiedFunctionKind QFK)
Check whether the type T is a qualified function type, and if it is, diagnose that it cannot be conta...
static bool checkOmittedBlockReturnType(Sema &S, Declarator &declarator, QualType Result)
Return true if this is omitted block return type.
static bool DiagnoseMultipleAddrSpaceAttributes(Sema &S, LangAS ASOld, LangAS ASNew, SourceLocation AttrLoc)
static void warnAboutRedundantParens(Sema &S, Declarator &D, QualType T)
Produce an appropriate diagnostic for a declarator with top-level parentheses.
static QualType ConvertDeclSpecToType(TypeProcessingState &state)
Convert the specified declspec to the appropriate type object.
static std::pair< QualType, TypeSourceInfo * > InventTemplateParameter(TypeProcessingState &state, QualType T, TypeSourceInfo *TrailingTSI, AutoType *Auto, InventedTemplateParameterInfo &Info)
static void distributeFunctionTypeAttrFromDeclarator(TypeProcessingState &state, ParsedAttr &attr, QualType &declSpecType, CUDAFunctionTarget CFT)
A function type attribute was written on the declarator or declaration.
static void diagnoseAndRemoveTypeQualifiers(Sema &S, const DeclSpec &DS, unsigned &TypeQuals, QualType TypeSoFar, unsigned RemoveTQs, unsigned DiagID)
static CallingConv getCCForDeclaratorChunk(Sema &S, Declarator &D, const ParsedAttributesView &AttrList, const DeclaratorChunk::FunctionTypeInfo &FTI, unsigned ChunkIndex)
Helper for figuring out the default CC for a function declarator type.
static unsigned getLiteralDiagFromTagKind(TagTypeKind Tag)
Get diagnostic select index for tag kind for literal type diagnostic message.
static void recordNullabilitySeen(Sema &S, SourceLocation loc)
Marks that a nullability feature has been used in the file containing loc.
static void HandleHLSLParamModifierAttr(QualType &CurType, const ParsedAttr &Attr, Sema &S)
static void checkExtParameterInfos(Sema &S, ArrayRef< QualType > paramTypes, const FunctionProtoType::ExtProtoInfo &EPI, llvm::function_ref< SourceLocation(unsigned)> getParamLoc)
Check the extended parameter information.
static bool handleFunctionTypeAttr(TypeProcessingState &state, ParsedAttr &attr, QualType &type, CUDAFunctionTarget CFT)
Process an individual function attribute.
static void transferARCOwnershipToDeclSpec(Sema &S, QualType &declSpecTy, Qualifiers::ObjCLifetime ownership)
static void BuildTypeCoupledDecls(Expr *E, llvm::SmallVectorImpl< TypeCoupledDeclRefInfo > &Decls)
static void assignInheritanceModel(Sema &S, CXXRecordDecl *RD)
Locks in the inheritance model for the given class and all of its bases.
static bool checkObjCKindOfType(TypeProcessingState &state, QualType &type, ParsedAttr &attr)
Check the application of the Objective-C '__kindof' qualifier to the given type.
static bool hasNullabilityAttr(const ParsedAttributesView &attrs)
Check whether there is a nullability attribute of any kind in the given attribute list.
static bool handleObjCOwnershipTypeAttr(TypeProcessingState &state, ParsedAttr &attr, QualType &type)
handleObjCOwnershipTypeAttr - Process an objc_ownership attribute on the specified type.
static void moveAttrFromListToList(ParsedAttr &attr, ParsedAttributesView &fromList, ParsedAttributesView &toList)
static void HandleAnnotateTypeAttr(TypeProcessingState &State, QualType &CurType, const ParsedAttr &PA)
static void fillAttributedTypeLoc(AttributedTypeLoc TL, TypeProcessingState &State)
static void fillDependentAddressSpaceTypeLoc(DependentAddressSpaceTypeLoc DASTL, const ParsedAttributesView &Attrs)
TypeAttrLocation
The location of a type attribute.
@ TAL_DeclChunk
The attribute is part of a DeclaratorChunk.
@ TAL_DeclSpec
The attribute is in the decl-specifier-seq.
@ TAL_DeclName
The attribute is immediately after the declaration's name.
static bool isOmittedBlockReturnType(const Declarator &D)
isOmittedBlockReturnType - Return true if this declarator is missing a return type because this is a ...
static TypeSourceInfo * GetFullTypeForDeclarator(TypeProcessingState &state, QualType declSpecType, TypeSourceInfo *TInfo)
static QualType GetEnumUnderlyingType(Sema &S, QualType BaseType, SourceLocation Loc)
static bool IsNoDerefableChunk(const DeclaratorChunk &Chunk)
static AttrT * createSimpleAttr(ASTContext &Ctx, ParsedAttr &AL)
static void diagnoseRedundantReturnTypeQualifiers(Sema &S, QualType RetTy, Declarator &D, unsigned FunctionChunkIndex)
static void processTypeAttrs(TypeProcessingState &state, QualType &type, TypeAttrLocation TAL, const ParsedAttributesView &attrs, CUDAFunctionTarget CFT=CUDAFunctionTarget::HostDevice)
static bool checkMutualExclusion(TypeProcessingState &state, const FunctionProtoType::ExtProtoInfo &EPI, ParsedAttr &Attr, AttributeCommonInfo::Kind OtherKind)
static Attr * getCCTypeAttr(ASTContext &Ctx, ParsedAttr &Attr)
Defines the clang::SourceLocation class and associated facilities.
Defines various enumerations that describe declaration and type specifiers.
static QualType getPointeeType(const MemRegion *R)
Defines the clang::TypeLoc interface and its subclasses.
C Language Family Type Representation.
__DEVICE__ void * memcpy(void *__a, const void *__b, size_t __c)
__DEVICE__ int max(int __a, int __b)
virtual void HandleTagDeclRequiredDefinition(const TagDecl *D)
This callback is invoked the first time each TagDecl is required to be complete.
virtual void AssignInheritanceModel(CXXRecordDecl *RD)
Callback invoked when an MSInheritanceAttr has been attached to a CXXRecordDecl.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
BuiltinVectorTypeInfo getBuiltinVectorTypeInfo(const BuiltinType *VecTy) const
Returns the element type, element count and number of vectors (in case of tuple) for a builtin vector...
TranslationUnitDecl * getTranslationUnitDecl() const
QualType getAtomicType(QualType T) const
Return the uniqued reference to the atomic type for the specified type.
CharUnits getTypeAlignInChars(QualType T) const
Return the ABI-specified alignment of a (complete) type T, in characters.
QualType getParenType(QualType NamedType) const
QualType getRValueReferenceType(QualType T) const
Return the uniqued reference to the type for an rvalue reference to the specified type.
QualType getDependentSizedMatrixType(QualType ElementType, Expr *RowExpr, Expr *ColumnExpr, SourceLocation AttrLoc) const
Return the unique reference to the matrix type of the specified element type and size.
unsigned getIntWidth(QualType T) const
QualType getBTFTagAttributedType(const BTFTypeTagAttr *BTFAttr, QualType Wrapped)
const FunctionType * adjustFunctionType(const FunctionType *Fn, FunctionType::ExtInfo EInfo)
Change the ExtInfo on a function type.
QualType getAttributedType(attr::Kind attrKind, QualType modifiedType, QualType equivalentType) const
QualType getAutoType(QualType DeducedType, AutoTypeKeyword Keyword, bool IsDependent, bool IsPack=false, ConceptDecl *TypeConstraintConcept=nullptr, ArrayRef< TemplateArgument > TypeConstraintArgs={}) const
C++11 deduced auto type.
QualType getBlockPointerType(QualType T) const
Return the uniqued reference to the type for a block of the specified type.
QualType getTagDeclType(const TagDecl *Decl) const
Return the unique reference to the type for the specified TagDecl (struct/union/class/enum) decl.
QualType getMemberPointerType(QualType T, const Type *Cls) const
Return the uniqued reference to the type for a member pointer to the specified type in the specified ...
QualType getVariableArrayType(QualType EltTy, Expr *NumElts, ArraySizeModifier ASM, unsigned IndexTypeQuals, SourceRange Brackets) const
Return a non-unique reference to the type for a variable array of the specified element type.
QualType getFunctionNoProtoType(QualType ResultTy, const FunctionType::ExtInfo &Info) const
Return a K&R style C function type like 'int()'.
QualType getCountAttributedType(QualType T, Expr *CountExpr, bool CountInBytes, bool OrNull, ArrayRef< TypeCoupledDeclRefInfo > DependentDecls) const
QualType getPackExpansionType(QualType Pattern, std::optional< unsigned > NumExpansions, bool ExpectPackInType=true)
Form a pack expansion type with the given pattern.
CanQualType getCanonicalType(QualType T) const
Return the canonical (structural) type corresponding to the specified potentially non-canonical type ...
QualType getDependentVectorType(QualType VectorType, Expr *SizeExpr, SourceLocation AttrLoc, VectorKind VecKind) const
Return the unique reference to the type for a dependently sized vector of the specified element type.
QualType getVectorType(QualType VectorType, unsigned NumElts, VectorKind VecKind) const
Return the unique reference to a vector type of the specified element type and size.
QualType getReadPipeType(QualType T) const
Return a read_only pipe type for the specified type.
CallingConv getDefaultCallingConvention(bool IsVariadic, bool IsCXXMethod, bool IsBuiltin=false) const
Retrieves the default calling convention for the current target.
QualType getPointerType(QualType T) const
Return the uniqued reference to the type for a pointer to the specified type.
const IncompleteArrayType * getAsIncompleteArrayType(QualType T) const
QualType getDependentBitIntType(bool Unsigned, Expr *BitsExpr) const
Return a dependent bit-precise integer type with the specified signedness and bit count.
QualType getReferenceQualifiedType(const Expr *e) const
getReferenceQualifiedType - Given an expr, will return the type for that expression,...
QualType getLValueReferenceType(QualType T, bool SpelledAsLValue=true) const
Return the uniqued reference to the type for an lvalue reference to the specified type.
QualType getTypeDeclType(const TypeDecl *Decl, const TypeDecl *PrevDecl=nullptr) const
Return the unique reference to the type for the specified type declaration.
QualType getConstantArrayType(QualType EltTy, const llvm::APInt &ArySize, const Expr *SizeExpr, ArraySizeModifier ASM, unsigned IndexTypeQuals) const
Return the unique reference to the type for a constant array of the specified element type.
const LangOptions & getLangOpts() const
QualType getDecayedType(QualType T) const
Return the uniqued reference to the decayed version of the given type.
QualType getFunctionTypeWithExceptionSpec(QualType Orig, const FunctionProtoType::ExceptionSpecInfo &ESI) const
Get a function type and produce the equivalent function type with the specified exception specificati...
QualType getBaseElementType(const ArrayType *VAT) const
Return the innermost element type of an array type.
const TargetInfo * getAuxTargetInfo() const
CanQualType UnsignedLongTy
TypeSourceInfo * getTrivialTypeSourceInfo(QualType T, SourceLocation Loc=SourceLocation()) const
Allocate a TypeSourceInfo where all locations have been initialized to a given location,...
CanQualType getSizeType() const
Return the unique type for "size_t" (C99 7.17), defined in <stddef.h>.
QualType getCorrespondingSaturatedType(QualType Ty) const
QualType removeAddrSpaceQualType(QualType T) const
Remove any existing address space on the type and returns the type with qualifiers intact (or that's ...
QualType getAdjustedType(QualType Orig, QualType New) const
Return the uniqued reference to a type adjusted from the original type to a new type.
QualType getQualifiedType(SplitQualType split) const
Un-split a SplitQualType.
QualType getElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, QualType NamedType, TagDecl *OwnedTagDecl=nullptr) const
QualType getObjCObjectPointerType(QualType OIT) const
Return a ObjCObjectPointerType type for the given ObjCObjectType.
QualType getObjCObjectType(QualType Base, ObjCProtocolDecl *const *Protocols, unsigned NumProtocols) const
Legacy interface: cannot provide type arguments or __kindof.
LangAS getDefaultOpenCLPointeeAddrSpace()
Returns default address space based on OpenCL version and enabled features.
const clang::PrintingPolicy & getPrintingPolicy() const
QualType getDependentSizedArrayType(QualType EltTy, Expr *NumElts, ArraySizeModifier ASM, unsigned IndexTypeQuals, SourceRange Brackets) const
Return a non-unique reference to the type for a dependently-sized array of the specified element type...
QualType getUnsignedWCharType() const
Return the type of "unsigned wchar_t".
const ArrayType * getAsArrayType(QualType T) const
Type Query functions.
QualType getWritePipeType(QualType T) const
Return a write_only pipe type for the specified type.
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
CanQualType UnsignedInt128Ty
CharUnits getTypeSizeInChars(QualType T) const
Return the size of the specified (complete) type T, in characters.
TypedefDecl * getBuiltinVaListDecl() const
Retrieve the C type declaration corresponding to the predefined __builtin_va_list type.
CanQualType UnsignedCharTy
CanQualType UnsignedIntTy
TypeSourceInfo * CreateTypeSourceInfo(QualType T, unsigned Size=0) const
Allocate an uninitialized TypeSourceInfo.
CanQualType UnsignedLongLongTy
CanQualType UnsignedShortTy
QualType getFunctionType(QualType ResultTy, ArrayRef< QualType > Args, const FunctionProtoType::ExtProtoInfo &EPI) const
Return a normal function type with a typed argument list.
QualType getDependentNameType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, const IdentifierInfo *Name, QualType Canon=QualType()) const
QualType getDependentAddressSpaceType(QualType PointeeType, Expr *AddrSpaceExpr, SourceLocation AttrLoc) const
QualType getPackIndexingType(QualType Pattern, Expr *IndexExpr, bool FullySubstituted=false, ArrayRef< QualType > Expansions={}, int Index=-1) const
QualType getPromotedIntegerType(QualType PromotableType) const
Return the type that PromotableType will promote to: C99 6.3.1.1p2, assuming that PromotableType is a...
QualType getUnaryTransformType(QualType BaseType, QualType UnderlyingType, UnaryTransformType::UTTKind UKind) const
Unary type transforms.
QualType getComplexType(QualType T) const
Return the uniqued reference to the type for a complex number with the specified element type.
bool hasDirectOwnershipQualifier(QualType Ty) const
Return true if the type has been explicitly qualified with ObjC ownership.
Qualifiers::ObjCLifetime getInnerObjCOwnership(QualType T) const
Recurses in pointer/array types until it finds an Objective-C retainable type and returns its ownersh...
DiagnosticsEngine & getDiagnostics() const
QualType getAdjustedParameterType(QualType T) const
Perform adjustment on the parameter type of a function.
QualType getExtVectorType(QualType VectorType, unsigned NumElts) const
Return the unique reference to an extended vector type of the specified element type and size.
const TargetInfo & getTargetInfo() const
QualType getAutoDeductType() const
C++11 deduction pattern for 'auto' type.
QualType getCorrespondingUnsignedType(QualType T) const
QualType getAddrSpaceQualType(QualType T, LangAS AddressSpace) const
Return the uniqued reference to the type for an address space qualified type with the specified type ...
ExternalASTSource * getExternalSource() const
Retrieve a pointer to the external AST source associated with this AST context, if any.
QualType getTypeOfType(QualType QT, TypeOfKind Kind) const
getTypeOfType - Unlike many "get<Type>" functions, we don't unique TypeOfType nodes.
QualType getCorrespondingSignedType(QualType T) const
bool isPromotableIntegerType(QualType T) const
More type predicates useful for type checking/promotion.
QualType getObjCGCQualType(QualType T, Qualifiers::GC gcAttr) const
Return the uniqued reference to the type for an Objective-C gc-qualified type.
QualType getDecltypeType(Expr *e, QualType UnderlyingType) const
C++11 decltype.
QualType getIncompleteArrayType(QualType EltTy, ArraySizeModifier ASM, unsigned IndexTypeQuals) const
Return a unique reference to the type for an incomplete array of the specified element type.
QualType getDependentSizedExtVectorType(QualType VectorType, Expr *SizeExpr, SourceLocation AttrLoc) const
QualType getTypeOfExprType(Expr *E, TypeOfKind Kind) const
C23 feature and GCC extension.
QualType getSignedWCharType() const
Return the type of "signed wchar_t".
QualType getUnqualifiedArrayType(QualType T, Qualifiers &Quals) const
Return this type as a completely-unqualified array type, capturing the qualifiers in Quals.
QualType getConstantMatrixType(QualType ElementType, unsigned NumRows, unsigned NumColumns) const
Return the unique reference to the matrix type of the specified element type and size.
uint64_t getCharWidth() const
Return the size of the character type, in bits.
QualType getBitIntType(bool Unsigned, unsigned NumBits) const
Return a bit-precise integer type with the specified signedness and bit count.
Wrapper for source info for array parameter types.
Wrapper for source info for arrays.
void setLBracketLoc(SourceLocation Loc)
void setRBracketLoc(SourceLocation Loc)
void setSizeExpr(Expr *Size)
TypeLoc getValueLoc() const
void setKWLoc(SourceLocation Loc)
void setParensRange(SourceRange Range)
Attr - This represents one attribute.
attr::Kind getKind() const
const char * getSpelling() const
SourceRange getRange() const
bool isContextSensitiveKeywordAttribute() const
bool isRegularKeywordAttribute() const
SourceLocation getLoc() const
const IdentifierInfo * getAttrName() const
Type source information for an attributed type.
TypeLoc getModifiedLoc() const
The modified type, which is generally canonically different from the attribute type.
void setAttr(const Attr *A)
An attributed type is a type to which a type attribute has been applied.
QualType getModifiedType() const
bool isCallingConv() const
static Kind getNullabilityAttrKind(NullabilityKind kind)
Retrieve the attribute kind corresponding to the given nullability kind.
static std::optional< NullabilityKind > stripOuterNullability(QualType &T)
Strip off the top-level nullability annotation on the given type, if it's there.
bool hasExplicitTemplateArgs() const
const NestedNameSpecifierLoc getNestedNameSpecifierLoc() const
SourceLocation getRAngleLoc() const
ConceptDecl * getNamedConcept() const
SourceLocation getLAngleLoc() const
void setConceptReference(ConceptReference *CR)
NamedDecl * getFoundDecl() const
TemplateArgumentLoc getArgLoc(unsigned i) const
unsigned getNumArgs() const
DeclarationNameInfo getConceptNameInfo() const
void setRParenLoc(SourceLocation Loc)
Represents a C++11 auto or C++14 decltype(auto) type, possibly constrained by a type-constraint.
bool isDecltypeAuto() const
ConceptDecl * getTypeConstraintConcept() const
Type source information for an btf_tag attributed type.
TypeLoc getWrappedLoc() const
Comparison function object.
A fixed int type of a specified bitwidth.
unsigned getNumBits() const
Wrapper for source info for block pointers.
void setCaretLoc(SourceLocation Loc)
Wrapper for source info for builtin types.
TypeSpecifierWidth getWrittenWidthSpec() const
bool needsExtraLocalData() const
void setBuiltinLoc(SourceLocation Loc)
WrittenBuiltinSpecs & getWrittenBuiltinSpecs()
TypeSpecifierSign getWrittenSignSpec() const
void expandBuiltinRange(SourceRange Range)
This class is used for builtin types like 'int'.
Represents a C++ destructor within a class.
Represents a C++ struct/union/class.
bool isAggregate() const
Determine whether this class is an aggregate (C++ [dcl.init.aggr]), which is a class with no user-dec...
bool hasTrivialDefaultConstructor() const
Determine whether this class has a trivial default constructor (C++11 [class.ctor]p5).
bool hasTrivialDestructor() const
Determine whether this class has a trivial destructor (C++ [class.dtor]p3)
CXXRecordDecl * getInstantiatedFromMemberClass() const
If this record is an instantiation of a member class, retrieves the member class from which it was in...
bool isLambda() const
Determine whether this class describes a lambda function object.
bool hasConstexprNonCopyMoveConstructor() const
Determine whether this class has at least one constexpr constructor other than the copy or move const...
bool hasConstexprDestructor() const
Determine whether this class has a constexpr destructor.
bool hasNonLiteralTypeFieldsOrBases() const
Determine whether this class has a non-literal or/ volatile type non-static data member or base class...
CXXRecordDecl * getMostRecentNonInjectedDecl()
base_class_range vbases()
bool hasUserProvidedDefaultConstructor() const
Whether this class has a user-provided default constructor per C++11.
bool hasDefinition() const
MSInheritanceModel calculateInheritanceModel() const
Calculate what the inheritance model would be for this class.
bool isEmpty() const
Determine whether this is an empty class in the sense of (C++11 [meta.unary.prop]).
CXXDestructorDecl * getDestructor() const
Returns the destructor decl for this class.
unsigned getNumVBases() const
Retrieves the number of virtual base classes of this class.
Represents a C++ nested-name-specifier or a global scope specifier.
bool isNotEmpty() const
A scope specifier is present, but may be valid or invalid.
bool isValid() const
A scope specifier is present, and it refers to a real scope.
SourceRange getRange() const
SourceLocation getBeginLoc() const
NestedNameSpecifierLoc getWithLocInContext(ASTContext &Context) const
Retrieve a nested-name-specifier with location information, copied into the given AST context.
NestedNameSpecifier * getScopeRep() const
Retrieve the representation of the nested-name-specifier.
bool isInvalid() const
An error occurred during parsing of the scope specifier.
Represents a canonical, potentially-qualified type.
SourceLocation getBegin() const
CharUnits - This is an opaque type for sizes expressed in character units.
QuantityType getQuantity() const
getQuantity - Get the raw integer representation of this quantity.
Declaration of a C++20 concept.
static ConceptReference * Create(const ASTContext &C, NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, DeclarationNameInfo ConceptNameInfo, NamedDecl *FoundDecl, ConceptDecl *NamedConcept, const ASTTemplateArgumentListInfo *ArgsAsWritten)
const TypeClass * getTypePtr() const
TypeLoc getNextTypeLoc() const
static unsigned getNumAddressingBits(const ASTContext &Context, QualType ElementType, const llvm::APInt &NumElements)
Determine the number of bits required to address a member of.
static unsigned getMaxSizeBits(const ASTContext &Context)
Determine the maximum number of active bits that an array's size can require, which limits the maximu...
static constexpr bool isDimensionValid(size_t NumElements)
Returns true if NumElements is a valid matrix dimension.
Wrapper for source info for pointers decayed from arrays and functions.
DeclContext - This is used only as base class of specific decl types that can act as declaration cont...
DeclContext * getParent()
getParent - Returns the containing DeclContext.
bool hasExternalLexicalStorage() const
Whether this DeclContext has external storage containing additional declarations that are lexically i...
bool isFunctionOrMethod() const
A reference to a declared variable, function, enum, etc.
Captures information about "declaration specifiers".
const WrittenBuiltinSpecs & getWrittenBuiltinSpecs() const
bool isTypeSpecPipe() const
static const TST TST_typeof_unqualType
SourceLocation getTypeSpecSignLoc() const
static const TST TST_typename
SourceLocation getEndLoc() const LLVM_READONLY
bool hasTypeSpecifier() const
Return true if any type-specifier has been found.
static const TST TST_char8
static const TST TST_BFloat16
Expr * getPackIndexingExpr() const
TST getTypeSpecType() const
SCS getStorageClassSpec() const
SourceLocation getBeginLoc() const LLVM_READONLY
bool isTypeSpecSat() const
SourceRange getSourceRange() const LLVM_READONLY
static const TST TST_auto_type
static const TST TST_interface
static const TST TST_double
static const TST TST_typeofExpr
unsigned getTypeQualifiers() const
getTypeQualifiers - Return a set of TQs.
TemplateIdAnnotation * getRepAsTemplateId() const
static const TST TST_union
static const TST TST_typename_pack_indexing
static const TST TST_char
static const TST TST_bool
static const TST TST_char16
static const TST TST_unknown_anytype
TSC getTypeSpecComplex() const
ParsedType getRepAsType() const
static const TST TST_accum
static const TST TST_half
ParsedAttributes & getAttributes()
SourceLocation getEllipsisLoc() const
bool isTypeAltiVecPixel() const
void ClearTypeQualifiers()
Clear out all of the type qualifiers.
SourceLocation getConstSpecLoc() const
static const TST TST_ibm128
Expr * getRepAsExpr() const
static const TST TST_enum
static const TST TST_float128
static const TST TST_decltype
SourceRange getTypeSpecWidthRange() const
SourceLocation getTypeSpecTypeNameLoc() const
SourceLocation getTypeSpecWidthLoc() const
SourceLocation getRestrictSpecLoc() const
static const TST TST_typeof_unqualExpr
static const TST TST_class
static const TST TST_decimal64
bool isTypeAltiVecBool() const
bool isConstrainedAuto() const
static const TST TST_wchar
SourceLocation getTypeSpecComplexLoc() const
static const TST TST_void
bool isTypeAltiVecVector() const
static const TST TST_bitint
static const char * getSpecifierName(DeclSpec::TST T, const PrintingPolicy &Policy)
Turn a type-specifier-type into a string like "_Bool" or "union".
static const TST TST_float
static const TST TST_atomic
static const TST TST_fract
Decl * getRepAsDecl() const
static const TST TST_float16
static bool isTransformTypeTrait(TST T)
static const TST TST_unspecified
SourceLocation getAtomicSpecLoc() const
TypeSpecifierSign getTypeSpecSign() const
CXXScopeSpec & getTypeSpecScope()
SourceLocation getTypeSpecTypeLoc() const
static const TST TST_decltype_auto
static const TST TST_error
void forEachQualifier(llvm::function_ref< void(TQ, StringRef, SourceLocation)> Handle)
This method calls the passed in handler on each qual being set.
static const TST TST_decimal32
TypeSpecifierWidth getTypeSpecWidth() const
static const TST TST_char32
static const TST TST_decimal128
bool isTypeSpecOwned() const
SourceLocation getTypeSpecSatLoc() const
SourceRange getTypeofParensRange() const
static const TST TST_int128
SourceLocation getVolatileSpecLoc() const
static const TST TST_typeofType
static const TST TST_auto
static const TST TST_struct
Decl - This represents one declaration (or definition), e.g.
SourceLocation getEndLoc() const LLVM_READONLY
bool isModulePrivate() const
Whether this declaration was marked as being private to the module in which it was defined.
ASTContext & getASTContext() const LLVM_READONLY
void setInvalidDecl(bool Invalid=true)
setInvalidDecl - Indicates the Decl had a semantic error.
Kind
Lists the kind of concrete classes of Decl.
bool isInvalidDecl() const
SourceLocation getLocation() const
void setImplicit(bool I=true)
SourceLocation getBeginLoc() const LLVM_READONLY
virtual SourceRange getSourceRange() const LLVM_READONLY
Source range that this declaration covers.
void setVisibleDespiteOwningModule()
Set that this declaration is globally visible, even if it came from a module that is not visible.
The name of a declaration.
std::string getAsString() const
Retrieve the human-readable string for this name.
NameKind getNameKind() const
Determine what kind of name this is.
Information about one declarator, including the parsed type information and the identifier.
bool isFunctionDeclarator(unsigned &idx) const
isFunctionDeclarator - This method returns true if the declarator is a function declarator (looking t...
const DeclaratorChunk & getTypeObject(unsigned i) const
Return the specified TypeInfo from this declarator.
const DeclSpec & getDeclSpec() const
getDeclSpec - Return the declaration-specifier that this declarator was declared with.
void AddInnermostTypeInfo(const DeclaratorChunk &TI)
Add a new innermost chunk to this declarator.
const ParsedAttributes & getAttributes() const
SourceLocation getIdentifierLoc() const
void setInvalidType(bool Val=true)
unsigned getNumTypeObjects() const
Return the number of types applied to this declarator.
const ParsedAttributesView & getDeclarationAttributes() const
DeclaratorContext getContext() const
SourceLocation getBeginLoc() const LLVM_READONLY
DeclSpec & getMutableDeclSpec()
getMutableDeclSpec - Return a non-const version of the DeclSpec.
DeclaratorChunk::FunctionTypeInfo & getFunctionTypeInfo()
getFunctionTypeInfo - Retrieves the function type info object (looking through parentheses).
void setRParenLoc(SourceLocation Loc)
void setDecltypeLoc(SourceLocation Loc)
Common base class for placeholders for types that get replaced by placeholder type deduction: C++11 a...
void setAttrNameLoc(SourceLocation loc)
void setAttrOperandParensRange(SourceRange range)
void setAttrExprOperand(Expr *e)
Represents an extended address space qualifier where the input address space value is dependent.
void copy(DependentNameTypeLoc Loc)
void setNameLoc(SourceLocation Loc)
void setElaboratedKeywordLoc(SourceLocation Loc)
void setQualifierLoc(NestedNameSpecifierLoc QualifierLoc)
void setNameLoc(SourceLocation Loc)
void copy(DependentTemplateSpecializationTypeLoc Loc)
void setNameLoc(SourceLocation Loc)
bool isIgnored(unsigned DiagID, SourceLocation Loc) const
Determine whether the diagnostic is known to be ignored.
bool getSuppressSystemWarnings() const
Wrap a function effect's condition expression in another struct so that FunctionProtoType's TrailingO...
void copy(ElaboratedTypeLoc Loc)
void setElaboratedKeywordLoc(SourceLocation Loc)
TypeLoc getNamedTypeLoc() const
void setQualifierLoc(NestedNameSpecifierLoc QualifierLoc)
Represents a type that was referred to using an elaborated type keyword, e.g., struct S,...
QualType getIntegerType() const
Return the integer type this enum decl corresponds to.
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of enums.
This represents one expression.
bool isValueDependent() const
Determines whether the value of this expression depends on.
bool isTypeDependent() const
Determines whether the type of this expression depends on.
Expr * IgnoreParenImpCasts() LLVM_READONLY
Skip past any parentheses and implicit casts which might surround this expression until reaching a fi...
Expr * IgnoreParens() LLVM_READONLY
Skip past any parentheses which might surround this expression until reaching a fixed point.
bool HasSideEffects(const ASTContext &Ctx, bool IncludePossibleEffects=true) const
HasSideEffects - This routine returns true for all those expressions which have any effect other than...
bool isInstantiationDependent() const
Whether this expression is instantiation-dependent, meaning that it depends in some way on.
SourceLocation getExprLoc() const LLVM_READONLY
getExprLoc - Return the preferred location for the arrow when diagnosing a problem with a generic exp...
std::optional< llvm::APSInt > getIntegerConstantExpr(const ASTContext &Ctx, SourceLocation *Loc=nullptr) const
isIntegerConstantExpr - Return the value if this expression is a valid integer constant expression.
bool refersToBitField() const
Returns true if this expression is a gl-value that potentially refers to a bit-field.
bool hasPlaceholderType() const
Returns whether this expression has a placeholder type.
An opaque identifier used by SourceManager which refers to a source file (MemoryBuffer) along with it...
Annotates a diagnostic with some code that should be inserted, removed, or replaced to fix the proble...
static FixItHint CreateReplacement(CharSourceRange RemoveRange, StringRef Code)
Create a code modification hint that replaces the given source range with the given code string.
static FixItHint CreateRemoval(CharSourceRange RemoveRange)
Create a code modification hint that removes the given source range.
static FixItHint CreateInsertion(SourceLocation InsertionLoc, StringRef Code, bool BeforePreviousInsertions=false)
Create a code modification hint that inserts the given code string at a specific location.
A SourceLocation and its associated SourceManager.
bool isUserProvided() const
True if this method is user-declared and was not deleted or defaulted on its first declaration.
A mutable set of FunctionEffects and possibly conditions attached to them.
bool insert(const FunctionEffectWithCondition &NewEC, Conflicts &Errs)
Represents an abstract function effect, using just an enumeration describing its kind.
Kind
Identifies the particular effect.
An immutable set of FunctionEffects and possibly conditions attached to them.
Represents a prototype with parameter type info, e.g.
Qualifiers getMethodQuals() const
bool isVariadic() const
Whether this function prototype is variadic.
ExtProtoInfo getExtProtoInfo() const
ArrayRef< QualType > getParamTypes() const
RefQualifierKind getRefQualifier() const
Retrieve the ref-qualifier associated with this function type.
Wrapper for source info for functions.
unsigned getNumParams() const
void setLocalRangeBegin(SourceLocation L)
void setLParenLoc(SourceLocation Loc)
void setParam(unsigned i, ParmVarDecl *VD)
void setRParenLoc(SourceLocation Loc)
void setLocalRangeEnd(SourceLocation L)
void setExceptionSpecRange(SourceRange R)
A class which abstracts out some details necessary for making a call.
ExtInfo withNoCfCheck(bool noCfCheck) const
ExtInfo withCallingConv(CallingConv cc) const
CallingConv getCC() const
ExtInfo withProducesResult(bool producesResult) const
ExtInfo withNoReturn(bool noReturn) const
bool getProducesResult() const
ExtInfo withNoCallerSavedRegs(bool noCallerSavedRegs) const
ExtInfo withCmseNSCall(bool cmseNSCall) const
ExtInfo withRegParm(unsigned RegParm) const
ParameterABI getABI() const
Return the ABI treatment of this parameter.
FunctionType - C99 6.7.5.3 - Function Declarators.
ExtInfo getExtInfo() const
static StringRef getNameForCallConv(CallingConv CC)
static ArmStateValue getArmZT0State(unsigned AttrBits)
static ArmStateValue getArmZAState(unsigned AttrBits)
CallingConv getCallConv() const
QualType getReturnType() const
bool getHasRegParm() const
AArch64SMETypeAttributes
The AArch64 SME ACLE (Arm C/C++ Language Extensions) define a number of function type attributes that...
@ SME_PStateSMEnabledMask
@ SME_PStateSMCompatibleMask
One of these records is kept for each identifier that is lexed.
bool isStr(const char(&Str)[StrLen]) const
Return true if this is the identifier for the specified string.
StringRef getName() const
Return the actual identifier string.
IdentifierInfo & get(StringRef Name)
Return the identifier token info for the specified named identifier.
void setAmpLoc(SourceLocation Loc)
An lvalue reference type, per C++11 [dcl.ref].
@ PPTMK_FullGeneralityMultipleInheritance
@ PPTMK_FullGeneralityVirtualInheritance
@ PPTMK_FullGeneralitySingleInheritance
Keeps track of the various options that can be enabled, which controls the dialect of C or C++ that i...
bool requiresStrictPrototypes() const
Returns true if functions without prototypes or functions with an identifier list (aka K&R C function...
bool isImplicitIntAllowed() const
Returns true if implicit int is supported at all.
bool isImplicitIntRequired() const
Returns true if implicit int is part of the language requirements.
unsigned getOpenCLCompatibleVersion() const
Return the OpenCL version that kernel language is compatible with.
Holds a QualType and a TypeSourceInfo* that came out of a declarator parsing.
void getAsStringInternal(std::string &Str, const PrintingPolicy &Policy) const
Represents the results of name lookup.
TypeLoc getInnerLoc() const
void setExpansionLoc(SourceLocation Loc)
Sugar type that represents a type that was qualified by a qualifier written as a macro invocation.
void setAttrRowOperand(Expr *e)
void setAttrColumnOperand(Expr *e)
void setAttrOperandParensRange(SourceRange range)
void setAttrNameLoc(SourceLocation loc)
static bool isValidElementType(QualType T)
Valid elements types are the following:
Wrapper for source info for member pointers.
void setStarLoc(SourceLocation Loc)
void setClassTInfo(TypeSourceInfo *TI)
const Type * getClass() const
A pointer to member type per C++ 8.3.3 - Pointers to members.
QualType getPointeeType() const
const Type * getClass() const
Provides information a specialization of a member of a class template, which may be a member function...
TemplateSpecializationKind getTemplateSpecializationKind() const
Determine what kind of template specialization this is.
This represents a decl that may have a name.
DeclarationName getDeclName() const
Get the actual, stored name of the declaration, which may be a special name.
A C++ nested-name-specifier augmented with source location information.
TypeLoc getTypeLoc() const
For a nested-name-specifier that refers to a type, retrieve the type with source-location information...
NestedNameSpecifierLoc getPrefix() const
Return the prefix of this nested-name-specifier.
NestedNameSpecifier * getNestedNameSpecifier() const
Retrieve the nested-name-specifier to which this instance refers.
SourceLocation getLocalBeginLoc() const
Retrieve the location of the beginning of this component of the nested-name-specifier.
Represents a C++ nested name specifier, such as "\::std::vector<int>::".
SpecifierKind getKind() const
Determine what kind of nested name specifier is stored.
IdentifierInfo * getAsIdentifier() const
Retrieve the identifier stored in this nested name specifier.
NestedNameSpecifier * getPrefix() const
Return the prefix of this nested name specifier.
@ NamespaceAlias
A namespace alias, stored as a NamespaceAliasDecl*.
@ TypeSpec
A type, stored as a Type*.
@ TypeSpecWithTemplate
A type that was preceded by the 'template' keyword, stored as a Type*.
@ Super
Microsoft's '__super' specifier, stored as a CXXRecordDecl* of the class it appeared in.
@ Identifier
An identifier, stored as an IdentifierInfo*.
@ Global
The global specifier '::'. There is no stored value.
@ Namespace
A namespace, stored as a NamespaceDecl*.
const Type * getAsType() const
Retrieve the type stored in this nested name specifier.
Represents an ObjC class declaration.
Wrapper for source info for ObjC interfaces.
void setNameLoc(SourceLocation Loc)
void setNameEndLoc(SourceLocation Loc)
Interfaces are the core concept in Objective-C for object oriented design.
Wraps an ObjCPointerType with source location information.
void setStarLoc(SourceLocation Loc)
Represents a pointer to an Objective C object.
const ObjCObjectType * getObjectType() const
Gets the type pointed to by this ObjC pointer.
Represents a class type in Objective C.
static OpaquePtr make(QualType P)
OpenCL supported extensions and optional core features.
bool isAvailableOption(llvm::StringRef Ext, const LangOptions &LO) const
bool isSupported(llvm::StringRef Ext, const LangOptions &LO) const
void setEllipsisLoc(SourceLocation Loc)
A parameter attribute which changes the argument-passing ABI rule for the parameter.
void setRParenLoc(SourceLocation Loc)
void setLParenLoc(SourceLocation Loc)
Represents a parameter to a function.
void setKNRPromoted(bool promoted)
ParsedAttr - Represents a syntactic attribute.
void setInvalid(bool b=true) const
unsigned getNumArgs() const
getNumArgs - Return the number of actual arguments to this attribute.
bool isArgIdent(unsigned Arg) const
Expr * getArgAsExpr(unsigned Arg) const
AttributeCommonInfo::Kind getKind() const
void setUsedAsTypeAttr(bool Used=true)
bool checkAtMostNumArgs(class Sema &S, unsigned Num) const
Check if the attribute has at most as many args as Num.
void addAtEnd(ParsedAttr *newAttr)
bool hasAttribute(ParsedAttr::Kind K) const
void remove(ParsedAttr *ToBeRemoved)
void takeOneFrom(ParsedAttributes &Other, ParsedAttr *PA)
TypeLoc getValueLoc() const
void setKWLoc(SourceLocation Loc)
Wrapper for source info for pointers.
void setStarLoc(SourceLocation Loc)
PointerType - C99 6.7.5.1 - Pointer Declarators.
IdentifierInfo * getIdentifierInfo(StringRef Name) const
Return information about the specified preprocessor identifier token.
SourceLocation getPragmaAssumeNonNullLoc() const
The location of the currently-active #pragma clang assume_nonnull begin.
A (possibly-)qualified type.
bool isVolatileQualified() const
Determine whether this type is volatile-qualified.
bool hasQualifiers() const
Determine whether this type has any qualifiers.
bool isNull() const
Return true if this QualType doesn't point to a type yet.
const Type * getTypePtr() const
Retrieves a pointer to the underlying (unqualified) type.
Qualifiers getQualifiers() const
Retrieve the set of qualifiers applied to this type.
Qualifiers::ObjCLifetime getObjCLifetime() const
Returns lifetime attribute of this type.
bool isReferenceable() const
QualType getNonReferenceType() const
If Type is a reference type (e.g., const int&), returns the type that the reference refers to ("const...
unsigned getLocalCVRQualifiers() const
Retrieve the set of CVR (const-volatile-restrict) qualifiers local to this particular QualType instan...
SplitQualType split() const
Divides a QualType into its unqualified type and a set of local qualifiers.
SplitQualType getSplitUnqualifiedType() const
Retrieve the unqualified variant of the given type, removing as little sugar as possible.
bool hasAddressSpace() const
Check if this type has any address space qualifier.
unsigned getCVRQualifiers() const
Retrieve the set of CVR (const-volatile-restrict) qualifiers applied to this type.
Wrapper of type source information for a type with non-trivial direct qualifiers.
UnqualTypeLoc getUnqualifiedLoc() const
The collection of all-type qualifiers we support.
void removeCVRQualifiers(unsigned mask)
void addAddressSpace(LangAS space)
@ OCL_Strong
Assigning into this object requires the old value to be released and the new value to be retained.
@ OCL_ExplicitNone
This object can be modified without requiring retains or releases.
@ OCL_None
There is no lifetime qualification on this type.
@ OCL_Weak
Reading or writing from this object requires a barrier call.
@ OCL_Autoreleasing
Assigning into this object requires a lifetime extension.
void removeObjCLifetime()
void addCVRUQualifiers(unsigned mask)
static Qualifiers fromCVRMask(unsigned CVR)
void setUnaligned(bool flag)
std::string getAsString() const
@ MaxAddressSpace
The maximum supported address space number.
void addObjCLifetime(ObjCLifetime type)
void setAmpAmpLoc(SourceLocation Loc)
Represents a struct/union/class.
field_range fields() const
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of structs/unions/cl...
RecordDecl * getDecl() const
Base for LValueReferenceType and RValueReferenceType.
QualType getPointeeType() const
bool isSpelledAsLValue() const
bool isFunctionDeclarationScope() const
isFunctionDeclarationScope - Return true if this scope is a function prototype scope.
A generic diagnostic builder for errors which may or may not be deferred.
SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID, bool DeferHint=false)
Emit a diagnostic.
CUDAFunctionTarget IdentifyTarget(const FunctionDecl *D, bool IgnoreImplicitHDAttr=false)
Determines whether the given function is a CUDA device/host/kernel/etc.
bool isCFError(RecordDecl *D)
IdentifierInfo * getNSErrorIdent()
Retrieve the identifier "NSError".
bool checkNSReturnsRetainedReturnType(SourceLocation loc, QualType type)
bool isInOpenMPTaskUntiedContext() const
Return true if currently in OpenMP task with untied clause context.
bool shouldDelayDiagnostics()
Determines whether diagnostics should be delayed.
void add(const sema::DelayedDiagnostic &diag)
Adds a delayed diagnostic.
Abstract base class used for diagnosing integer constant expression violations.
Sema - This implements semantic analysis and AST building for C.
bool hasReachableDefinition(NamedDecl *D, NamedDecl **Suggested, bool OnlyNeedComplete=false)
Determine if D has a reachable definition.
QualType BuildParenType(QualType T)
Build a paren type including T.
ParsedType CreateParsedType(QualType T, TypeSourceInfo *TInfo)
Package the given type and TSI into a ParsedType.
bool ConstantFoldAttrArgs(const AttributeCommonInfo &CI, MutableArrayRef< Expr * > Args)
ConstantFoldAttrArgs - Folds attribute arguments into ConstantExprs (unless they are value dependent ...
SmallVector< CodeSynthesisContext, 16 > CodeSynthesisContexts
List of active code synthesis contexts.
Scope * getCurScope() const
Retrieve the parser's current scope.
bool hasStructuralCompatLayout(Decl *D, Decl *Suggested)
Determine if D and Suggested have a structurally compatible layout as described in C11 6....
bool checkArrayElementAlignment(QualType EltTy, SourceLocation Loc)
bool RequireCompleteSizedType(SourceLocation Loc, QualType T, unsigned DiagID, const Ts &...Args)
@ LookupOrdinaryName
Ordinary name lookup, which finds ordinary names (functions, variables, typedefs, etc....
QualType BuildAddressSpaceAttr(QualType &T, LangAS ASIdx, Expr *AddrSpace, SourceLocation AttrLoc)
BuildAddressSpaceAttr - Builds a DependentAddressSpaceType if an expression is uninstantiated.
QualType ReplaceAutoType(QualType TypeWithAuto, QualType Replacement)
Completely replace the auto in TypeWithAuto by Replacement.
QualType BuildVectorType(QualType T, Expr *VecSize, SourceLocation AttrLoc)
std::optional< FunctionEffectMode > ActOnEffectExpression(Expr *CondExpr, StringRef AttributeName)
Try to parse the conditional expression attached to an effect attribute (e.g.
@ AcceptSizeless
Relax the normal rules for complete types so that they include sizeless built-in types.
class clang::Sema::DelayedDiagnostics DelayedDiagnostics
ExprResult VerifyIntegerConstantExpression(Expr *E, llvm::APSInt *Result, VerifyICEDiagnoser &Diagnoser, AllowFoldKind CanFold=NoFold)
VerifyIntegerConstantExpression - Verifies that an expression is an ICE, and reports the appropriate ...
QualType BuildExtVectorType(QualType T, Expr *ArraySize, SourceLocation AttrLoc)
Build an ext-vector type.
const AttributedType * getCallingConvAttributedType(QualType T) const
Get the outermost AttributedType node that sets a calling convention.
bool hasMergedDefinitionInCurrentModule(const NamedDecl *Def)
QualType BuildFunctionType(QualType T, MutableArrayRef< QualType > ParamTypes, SourceLocation Loc, DeclarationName Entity, const FunctionProtoType::ExtProtoInfo &EPI)
Build a function type.
bool diagnoseConflictingFunctionEffect(const FunctionEffectsRef &FX, const FunctionEffectWithCondition &EC, SourceLocation NewAttrLoc)
Warn and return true if adding an effect to a set would create a conflict.
void checkSpecializationReachability(SourceLocation Loc, NamedDecl *Spec)
ASTContext & getASTContext() const
void translateTemplateArguments(const ASTTemplateArgsPtr &In, TemplateArgumentListInfo &Out)
Translates template arguments as provided by the parser into template arguments used by semantic anal...
void checkExceptionSpecification(bool IsTopLevel, ExceptionSpecificationType EST, ArrayRef< ParsedType > DynamicExceptions, ArrayRef< SourceRange > DynamicExceptionRanges, Expr *NoexceptExpr, SmallVectorImpl< QualType > &Exceptions, FunctionProtoType::ExceptionSpecInfo &ESI)
Check the given exception-specification and update the exception specification information with the r...
void InstantiateVariableDefinition(SourceLocation PointOfInstantiation, VarDecl *Var, bool Recursive=false, bool DefinitionRequired=false, bool AtEndOfTU=false)
Instantiate the definition of the given variable from its template.
bool CheckCallingConvAttr(const ParsedAttr &attr, CallingConv &CC, const FunctionDecl *FD=nullptr, CUDAFunctionTarget CFT=CUDAFunctionTarget::InvalidTarget)
Check validaty of calling convention attribute attr.
bool RequireLiteralType(SourceLocation Loc, QualType T, TypeDiagnoser &Diagnoser)
Ensure that the type T is a literal type.
QualType BuildCountAttributedArrayOrPointerType(QualType WrappedTy, Expr *CountExpr, bool CountInBytes, bool OrNull)
std::string getFixItZeroInitializerForType(QualType T, SourceLocation Loc) const
Get a string to suggest for zero-initialization of a type.
bool CheckAttrNoArgs(const ParsedAttr &CurrAttr)
ExprResult CheckConvertedConstantExpression(Expr *From, QualType T, llvm::APSInt &Value, CCEKind CCE)
QualType BuildBitIntType(bool IsUnsigned, Expr *BitWidth, SourceLocation Loc)
Build a bit-precise integer type.
LangAS getDefaultCXXMethodAddrSpace() const
Returns default addr space for method qualifiers.
QualType BuiltinRemoveReference(QualType BaseType, UTTKind UKind, SourceLocation Loc)
QualType BuildQualifiedType(QualType T, SourceLocation Loc, Qualifiers Qs, const DeclSpec *DS=nullptr)
bool InstantiateClassTemplateSpecialization(SourceLocation PointOfInstantiation, ClassTemplateSpecializationDecl *ClassTemplateSpec, TemplateSpecializationKind TSK, bool Complain=true)
bool CheckFunctionReturnType(QualType T, SourceLocation Loc)
SourceLocation getLocForEndOfToken(SourceLocation Loc, unsigned Offset=0)
Calls Lexer::getLocForEndOfToken()
@ UPPC_TypeConstraint
A type constraint.
const LangOptions & getLangOpts() const
bool RequireCompleteExprType(Expr *E, CompleteTypeKind Kind, TypeDiagnoser &Diagnoser)
Ensure that the type of the given expression is complete.
void NoteTemplateLocation(const NamedDecl &Decl, std::optional< SourceRange > ParamRange={})
QualType BuiltinEnumUnderlyingType(QualType BaseType, SourceLocation Loc)
bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, UnexpandedParameterPackContext UPPC)
If the given type contains an unexpanded parameter pack, diagnose the error.
bool RequireNonAbstractType(SourceLocation Loc, QualType T, TypeDiagnoser &Diagnoser)
void CheckExtraCXXDefaultArguments(Declarator &D)
CheckExtraCXXDefaultArguments - Check for any extra default arguments in the declarator,...
const LangOptions & LangOpts
sema::LambdaScopeInfo * getCurLambda(bool IgnoreNonLambdaCapturingScope=false)
Retrieve the current lambda scope info, if any.
IdentifierInfo * InventAbbreviatedTemplateParameterTypeName(const IdentifierInfo *ParamName, unsigned Index)
Invent a new identifier for parameters of abbreviated templates.
SourceLocation ImplicitMSInheritanceAttrLoc
Source location for newly created implicit MSInheritanceAttrs.
SmallVector< InventedTemplateParameterInfo, 4 > InventedParameterInfos
Stack containing information needed when in C++2a an 'auto' is encountered in a function declaration ...
std::vector< std::unique_ptr< TemplateInstantiationCallback > > TemplateInstCallbacks
The template instantiation callbacks to trace or track instantiations (objects can be chained).
void completeExprArrayBound(Expr *E)
QualType getElaboratedType(ElaboratedTypeKeyword Keyword, const CXXScopeSpec &SS, QualType T, TagDecl *OwnedTagDecl=nullptr)
Retrieve a version of the type 'T' that is elaborated by Keyword, qualified by the nested-name-specif...
bool hasExplicitCallingConv(QualType T)
bool CheckRegparmAttr(const ParsedAttr &attr, unsigned &value)
Checks a regparm attribute, returning true if it is ill-formed and otherwise setting numParams to the...
FileNullabilityMap NullabilityMap
A mapping that describes the nullability we've seen in each header file.
sema::FunctionScopeInfo * getCurFunction() const
QualType BuildReferenceType(QualType T, bool LValueRef, SourceLocation Loc, DeclarationName Entity)
Build a reference type.
std::optional< sema::TemplateDeductionInfo * > isSFINAEContext() const
Determines whether we are currently in a context where template argument substitution failures are no...
bool findMacroSpelling(SourceLocation &loc, StringRef name)
Looks through the macro-expansion chain for the given location, looking for a macro expansion with th...
ExprResult DefaultLvalueConversion(Expr *E)
DeclContext * CurContext
CurContext - This is the current declaration context of parsing.
QualType BuiltinDecay(QualType BaseType, SourceLocation Loc)
IdentifierInfo * getNullabilityKeyword(NullabilityKind nullability)
Retrieve the keyword associated.
@ TAH_IgnoreTrivialABI
The triviality of a method unaffected by "trivial_abi".
bool isUnevaluatedContext() const
Determines whether we are currently in a context that is not evaluated as per C++ [expr] p5.
TemplateNameKindForDiagnostics getTemplateNameKindForDiagnostics(TemplateName Name)
bool isAcceptable(const NamedDecl *D, AcceptableKind Kind)
Determine whether a declaration is acceptable (visible/reachable).
QualType getDecltypeForExpr(Expr *E)
getDecltypeForExpr - Given an expr, will return the decltype for that expression, according to the ru...
ExprResult CheckPlaceholderExpr(Expr *E)
Check for operands with placeholder types and complain if found.
bool hasVisibleDefinition(NamedDecl *D, NamedDecl **Suggested, bool OnlyNeedComplete=false)
Determine if D has a visible definition.
bool inTemplateInstantiation() const
Determine whether we are currently performing template instantiation.
SourceManager & getSourceManager() const
QualType BuiltinAddReference(QualType BaseType, UTTKind UKind, SourceLocation Loc)
bool hasVisibleMergedDefinition(const NamedDecl *Def)
QualType BuildPackIndexingType(QualType Pattern, Expr *IndexExpr, SourceLocation Loc, SourceLocation EllipsisLoc, bool FullySubstituted=false, ArrayRef< QualType > Expansions={})
DeclContext * computeDeclContext(QualType T)
Compute the DeclContext that is associated with the given type.
QualType BuildAtomicType(QualType T, SourceLocation Loc)
void diagnoseMissingImport(SourceLocation Loc, const NamedDecl *Decl, MissingImportKind MIK, bool Recover=true)
Diagnose that the specified declaration needs to be visible but isn't, and suggest a module import th...
TypeSourceInfo * ReplaceAutoTypeSourceInfo(TypeSourceInfo *TypeWithAuto, QualType Replacement)
TypeResult ActOnTypeName(Declarator &D)
bool DiagnoseUseOfDecl(NamedDecl *D, ArrayRef< SourceLocation > Locs, const ObjCInterfaceDecl *UnknownObjCClass=nullptr, bool ObjCPropertyAccess=false, bool AvoidPartialAvailabilityChecks=false, ObjCInterfaceDecl *ClassReciever=nullptr, bool SkipTrailingRequiresClause=false)
Determine whether the use of this declaration is valid, and emit any corresponding diagnostics.
bool isCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind=CompleteTypeKind::Default)
bool InstantiateClass(SourceLocation PointOfInstantiation, CXXRecordDecl *Instantiation, CXXRecordDecl *Pattern, const MultiLevelTemplateArgumentList &TemplateArgs, TemplateSpecializationKind TSK, bool Complain=true)
Instantiate the definition of a class from a given pattern.
void checkUnusedDeclAttributes(Declarator &D)
checkUnusedDeclAttributes - Given a declarator which is not being used to build a declaration,...
QualType BuildPointerType(QualType T, SourceLocation Loc, DeclarationName Entity)
Build a pointer type.
bool AttachTypeConstraint(NestedNameSpecifierLoc NS, DeclarationNameInfo NameInfo, ConceptDecl *NamedConcept, NamedDecl *FoundDecl, const TemplateArgumentListInfo *TemplateArgs, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc)
Attach a type-constraint to a template parameter.
bool CheckAttrTarget(const ParsedAttr &CurrAttr)
QualType BuiltinAddPointer(QualType BaseType, SourceLocation Loc)
@ CCEK_ArrayBound
Array bound in array declarator or new-expression.
bool CheckImplicitNullabilityTypeSpecifier(QualType &Type, NullabilityKind Nullability, SourceLocation DiagLoc, bool AllowArrayTypes, bool OverrideExisting)
Check whether a nullability type specifier can be added to the given type through some means not writ...
void CheckConstrainedAuto(const AutoType *AutoT, SourceLocation Loc)
bool CheckDistantExceptionSpec(QualType T)
CheckDistantExceptionSpec - Check if the given type is a pointer or pointer to member to a function w...
QualType BuildDecltypeType(Expr *E, bool AsUnevaluated=true)
If AsUnevaluated is false, E is treated as though it were an evaluated context, such as when building...
QualType BuildUnaryTransformType(QualType BaseType, UTTKind UKind, SourceLocation Loc)
TypeSourceInfo * GetTypeForDeclarator(Declarator &D)
GetTypeForDeclarator - Convert the type for the specified declarator to Type instances.
TypeSourceInfo * GetTypeForDeclaratorCast(Declarator &D, QualType FromTy)
bool RequireCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind, TypeDiagnoser &Diagnoser)
Ensure that the type T is a complete type.
QualType getCapturedDeclRefType(ValueDecl *Var, SourceLocation Loc)
Given a variable, determine the type that a reference to that variable will have in the given scope.
QualType BuiltinRemoveExtent(QualType BaseType, UTTKind UKind, SourceLocation Loc)
QualType getCompletedType(Expr *E)
Get the type of expression E, triggering instantiation to complete the type if necessary – that is,...
QualType BuiltinChangeCVRQualifiers(QualType BaseType, UTTKind UKind, SourceLocation Loc)
bool isDependentScopeSpecifier(const CXXScopeSpec &SS)
SourceManager & SourceMgr
DiagnosticsEngine & Diags
OpenCLOptions & getOpenCLOptions()
QualType BuiltinRemovePointer(QualType BaseType, SourceLocation Loc)
QualType BuildArrayType(QualType T, ArraySizeModifier ASM, Expr *ArraySize, unsigned Quals, SourceRange Brackets, DeclarationName Entity)
Build an array type.
bool CheckQualifiedFunctionForTypeId(QualType T, SourceLocation Loc)
QualType BuildReadPipeType(QualType T, SourceLocation Loc)
Build a Read-only Pipe type.
void diagnoseIgnoredQualifiers(unsigned DiagID, unsigned Quals, SourceLocation FallbackLoc, SourceLocation ConstQualLoc=SourceLocation(), SourceLocation VolatileQualLoc=SourceLocation(), SourceLocation RestrictQualLoc=SourceLocation(), SourceLocation AtomicQualLoc=SourceLocation(), SourceLocation UnalignedQualLoc=SourceLocation())
LangOptions::PragmaMSPointersToMembersKind MSPointerToMemberRepresentationMethod
Controls member pointer representation format under the MS ABI.
llvm::BumpPtrAllocator BumpAlloc
QualType BuildWritePipeType(QualType T, SourceLocation Loc)
Build a Write-only Pipe type.
QualType ActOnPackIndexingType(QualType Pattern, Expr *IndexExpr, SourceLocation Loc, SourceLocation EllipsisLoc)
QualType BuildTypeofExprType(Expr *E, TypeOfKind Kind)
void runWithSufficientStackSpace(SourceLocation Loc, llvm::function_ref< void()> Fn)
Run some code with "sufficient" stack space.
QualType BuildMatrixType(QualType T, Expr *NumRows, Expr *NumColumns, SourceLocation AttrLoc)
SemaDiagnosticBuilder targetDiag(SourceLocation Loc, unsigned DiagID, const FunctionDecl *FD=nullptr)
bool hasAcceptableDefinition(NamedDecl *D, NamedDecl **Suggested, AcceptableKind Kind, bool OnlyNeedComplete=false)
QualType BuiltinChangeSignedness(QualType BaseType, UTTKind UKind, SourceLocation Loc)
void adjustMemberFunctionCC(QualType &T, bool HasThisPointer, bool IsCtorOrDtor, SourceLocation Loc)
Adjust the calling convention of a method to be the ABI default if it wasn't specified explicitly.
bool LookupName(LookupResult &R, Scope *S, bool AllowBuiltinCreation=false, bool ForceNoCPlusPlus=false)
Perform unqualified name lookup starting from a given scope.
static QualType GetTypeFromParser(ParsedType Ty, TypeSourceInfo **TInfo=nullptr)
void checkNonTrivialCUnion(QualType QT, SourceLocation Loc, NonTrivialCUnionContext UseContext, unsigned NonTrivialKind)
Emit diagnostics if a non-trivial C union type or a struct that contains a non-trivial C union is use...
MultiLevelTemplateArgumentList getTemplateInstantiationArgs(const NamedDecl *D, const DeclContext *DC=nullptr, bool Final=false, std::optional< ArrayRef< TemplateArgument > > Innermost=std::nullopt, bool RelativeToPrimary=false, const FunctionDecl *Pattern=nullptr, bool ForConstraintInstantiation=false, bool SkipForSpecialization=false)
Retrieve the template argument list(s) that should be used to instantiate the definition of the given...
bool SpecialMemberIsTrivial(CXXMethodDecl *MD, CXXSpecialMemberKind CSM, TrivialABIHandling TAH=TAH_IgnoreTrivialABI, bool Diagnose=false)
Determine whether a defaulted or deleted special member function is trivial, as specified in C++11 [c...
bool checkStringLiteralArgumentAttr(const AttributeCommonInfo &CI, const Expr *E, StringRef &Str, SourceLocation *ArgLocation=nullptr)
Check if the argument E is a ASCII string literal.
QualType BuildMemberPointerType(QualType T, QualType Class, SourceLocation Loc, DeclarationName Entity)
Build a member pointer type T Class::*.
QualType BuildBlockPointerType(QualType T, SourceLocation Loc, DeclarationName Entity)
Build a block pointer type.
Encodes a location in the source.
bool isValid() const
Return true if this is a valid SourceLocation object.
FileID getFileID(SourceLocation SpellingLoc) const
Return the FileID for a SourceLocation.
const char * getCharacterData(SourceLocation SL, bool *Invalid=nullptr) const
Return a pointer to the start of the specified location in the appropriate spelling MemoryBuffer.
CharSourceRange getImmediateExpansionRange(SourceLocation Loc) const
Return the start/end of the expansion information for an expansion location.
SourceLocation getExpansionLoc(SourceLocation Loc) const
Given a SourceLocation object Loc, return the expansion location referenced by the ID.
const SrcMgr::SLocEntry & getSLocEntry(FileID FID, bool *Invalid=nullptr) const
A trivial tuple used to represent a source range.
SourceLocation getEnd() const
SourceLocation getBegin() const
Information about a FileID, basically just the logical file that it represents and include stack info...
CharacteristicKind getFileCharacteristic() const
Return whether this is a system header or not.
SourceLocation getIncludeLoc() const
This is a discriminated union of FileInfo and ExpansionInfo.
const FileInfo & getFile() const
SourceRange getSourceRange() const LLVM_READONLY
SourceLocation tokens are not useful in isolation - they are low level value objects created/interpre...
SourceLocation getBeginLoc() const LLVM_READONLY
Represents the declaration of a struct/union/class/enum.
void setEmbeddedInDeclarator(bool isInDeclarator)
True if this tag declaration is "embedded" (i.e., defined or declared for the very first time) in the...
bool isCompleteDefinition() const
Return true if this decl has its body fully specified.
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
TagKind getTagKind() const
Wrapper for source info for tag types.
bool isMicrosoft() const
Is this ABI an MSVC-compatible ABI?
Exposes information about the current target.
virtual bool hasBitIntType() const
Determine whether the _BitInt type is supported on this target.
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
virtual size_t getMaxBitIntWidth() const
uint64_t getPointerWidth(LangAS AddrSpace) const
Return the width of pointers on this target, for the specified address space.
virtual bool allowHalfArgsAndReturns() const
Whether half args and returns are supported.
virtual bool hasInt128Type() const
Determine whether the __int128 type is supported on this target.
virtual bool hasFloat16Type() const
Determine whether the _Float16 type is supported on this target.
bool isVLASupported() const
Whether target supports variable-length arrays.
virtual bool hasIbm128Type() const
Determine whether the __ibm128 type is supported on this target.
virtual bool hasFloat128Type() const
Determine whether the __float128 type is supported on this target.
TargetCXXABI getCXXABI() const
Get the C++ ABI currently in use.
virtual bool hasBFloat16Type() const
Determine whether the _BFloat16 type is supported on this target.
virtual bool hasFeature(StringRef Feature) const
Determine whether the given target has the given feature.
virtual std::optional< std::pair< unsigned, unsigned > > getVScaleRange(const LangOptions &LangOpts) const
Returns target-specific min and max values VScale_Range.
A convenient class for passing around template argument information.
void setLAngleLoc(SourceLocation Loc)
void setRAngleLoc(SourceLocation Loc)
void addArgument(const TemplateArgumentLoc &Loc)
llvm::ArrayRef< TemplateArgumentLoc > arguments() const
Location wrapper for a TemplateArgument.
Represents a C++ template name within the type system.
TemplateDecl * getAsTemplateDecl() const
Retrieve the underlying template declaration that this template name refers to, if known.
UsingShadowDecl * getAsUsingShadowDecl() const
Retrieve the using shadow declaration through which the underlying template declaration is introduced...
SourceLocation getRAngleLoc() const
void copy(TemplateSpecializationTypeLoc Loc)
Declaration of a template type parameter.
static TemplateTypeParmDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation KeyLoc, SourceLocation NameLoc, unsigned D, unsigned P, IdentifierInfo *Id, bool Typename, bool ParameterPack, bool HasTypeConstraint=false, std::optional< unsigned > NumExpanded=std::nullopt)
[BoundsSafety] Represents information of declarations referenced by the arguments of the counted_by a...
const Type * getTypeForDecl() const
TyLocType push(QualType T)
Pushes space for a new TypeLoc of the given type.
void pushFullCopy(TypeLoc L)
Pushes a copy of the given TypeLoc onto this builder.
TypeSourceInfo * getTypeSourceInfo(ASTContext &Context, QualType T)
Creates a TypeSourceInfo for the given type.
Base wrapper for a particular "section" of type source info.
UnqualTypeLoc getUnqualifiedLoc() const
Skips past any qualifiers, if this is qualified.
TypeLoc getNextTypeLoc() const
Get the next TypeLoc pointed by this TypeLoc, e.g for "int*" the TypeLoc is a PointerLoc and next Typ...
T getAs() const
Convert to the specified TypeLoc type, returning a null TypeLoc if this TypeLoc is not of the desired...
T castAs() const
Convert to the specified TypeLoc type, asserting that this TypeLoc is of the desired type.
void initializeFullCopy(TypeLoc Other)
Initializes this by copying its information from another TypeLoc of the same type.
unsigned getFullDataSize() const
Returns the size of the type source info data block.
AutoTypeLoc getContainedAutoTypeLoc() const
Get the typeloc of an AutoType whose type will be deduced for a variable with an initializer of this ...
void * getOpaqueData() const
Get the pointer where source information is stored.
void copy(TypeLoc other)
Copies the other type loc into this one.
void initialize(ASTContext &Context, SourceLocation Loc) const
Initializes this to state that every location in this type is the given location.
SourceLocation getEndLoc() const
Get the end source location.
SourceLocation getBeginLoc() const
Get the begin source location.
void setUnmodifiedTInfo(TypeSourceInfo *TI) const
A container of type source information.
TypeLoc getTypeLoc() const
Return the TypeLoc wrapper for the type source info.
QualType getType() const
Return the type wrapped by this type source info.
void setNameLoc(SourceLocation Loc)
The base class of the type hierarchy.
bool isSizelessType() const
As an extension, we classify types as one of "sized" or "sizeless"; every type is one or the other.
bool isIncompleteOrObjectType() const
Return true if this is an incomplete or object type, in other words, not a function type.
CXXRecordDecl * getAsCXXRecordDecl() const
Retrieves the CXXRecordDecl that this type refers to, either because the type is a RecordType or beca...
bool isBlockPointerType() const
bool isBooleanType() const
QualType getRVVEltType(const ASTContext &Ctx) const
Returns the representative type for the element of an RVV builtin type.
bool isLiteralType(const ASTContext &Ctx) const
Return true if this is a literal type (C++11 [basic.types]p10)
bool isIncompleteArrayType() const
bool isIntegralOrUnscopedEnumerationType() const
Determine whether this type is an integral or unscoped enumeration type.
bool isUndeducedAutoType() const
bool isConstantSizeType() const
Return true if this is not a variable sized type, according to the rules of C99 6....
bool isPointerType() const
bool isIntegerType() const
isIntegerType() does not include complex integers (a GCC extension).
const T * castAs() const
Member-template castAs<specific type>.
bool isReferenceType() const
bool isEnumeralType() const
bool isVariableArrayType() const
bool isSizelessBuiltinType() const
bool isSveVLSBuiltinType() const
Determines if this is a sizeless type supported by the 'arm_sve_vector_bits' type attribute,...
const Type * getArrayElementTypeNoTypeQual() const
If this is an array type, return the element type of the array, potentially with type qualifiers miss...
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.
bool canHaveNullability(bool ResultIfUnknown=true) const
Determine whether the given type can have a nullability specifier applied to it, i....
QualType getSveEltType(const ASTContext &Ctx) const
Returns the representative type for the element of an SVE builtin type.
AutoType * getContainedAutoType() const
Get the AutoType whose type will be deduced for a variable with an initializer of this type.
bool isBitIntType() const
bool isBuiltinType() const
Helper methods to distinguish type categories.
bool isDependentType() const
Whether this type is a dependent type, meaning that its definition somehow depends on a template para...
bool isChar16Type() const
DeducedType * getContainedDeducedType() const
Get the DeducedType whose type will be deduced for a variable with an initializer of this type.
bool containsUnexpandedParameterPack() const
Whether this type is or contains an unexpanded parameter pack, used to support C++0x variadic templat...
QualType getCanonicalTypeInternal() const
bool isWebAssemblyTableType() const
Returns true if this is a WebAssembly table type: either an array of reference types,...
bool isMemberPointerType() const
bool isAtomicType() const
bool isFunctionProtoType() const
bool isObjCIdType() const
bool isChar32Type() const
bool isVariablyModifiedType() const
Whether this type is a variably-modified type (C99 6.7.5).
bool isObjCObjectType() const
bool isUndeducedType() const
Determine whether this type is an undeduced type, meaning that it somehow involves a C++11 'auto' typ...
bool isObjectType() const
Determine whether this type is an object type.
bool isIncompleteType(NamedDecl **Def=nullptr) const
Types are partitioned into 3 broad categories (C99 6.2.5p1): object types, function types,...
bool isFunctionType() const
bool isObjCObjectPointerType() const
bool isRVVVLSBuiltinType() const
Determines if this is a sizeless type supported by the 'riscv_rvv_vector_bits' type attribute,...
bool isRealFloatingType() const
Floating point categories.
bool isWideCharType() const
bool isAnyPointerType() const
TypeClass getTypeClass() const
const T * getAs() const
Member-template getAs<specific type>'.
const Type * getUnqualifiedDesugaredType() const
Return the specified type with any "sugar" removed from the type, removing any typedefs,...
bool isObjCARCImplicitlyUnretainedType() const
Determines if this type, which must satisfy isObjCLifetimeType(), is implicitly __unsafe_unretained r...
bool isRecordType() const
bool isObjCRetainableType() const
std::optional< NullabilityKind > getNullability() const
Determine the nullability of the given type.
Represents the declaration of a typedef-name via the 'typedef' type specifier.
Base class for declarations which introduce a typedef-name.
Wrapper for source info for typedefs.
void setParensRange(SourceRange range)
void setTypeofLoc(SourceLocation Loc)
Wrapper of type source information for a type with no direct qualifiers.
TypeLocClass getTypeLocClass() const
Represents a shadow declaration implicitly introduced into a scope by a (resolved) using-declaration ...
Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...
void setType(QualType newType)
Represents a variable declaration or definition.
void setNameLoc(SourceLocation Loc)
Represents a GCC generic vector type.
VectorKind getVectorKind() const
static DelayedDiagnostic makeForbiddenType(SourceLocation loc, unsigned diagnostic, QualType type, unsigned argument)
Retains information about a function, method, or block that is currently being parsed.
Defines the clang::TargetInfo interface.
const internal::VariadicDynCastAllOfMatcher< Decl, TypedefDecl > typedefDecl
Matches typedef declarations.
const internal::VariadicAllOfMatcher< Attr > attr
Matches attributes.
const internal::VariadicAllOfMatcher< Type > type
Matches Types in the clang AST.
const AstTypeMatcher< RecordType > recordType
Matches record types (e.g.
const internal::VariadicDynCastAllOfMatcher< Decl, RecordDecl > recordDecl
Matches class, struct, and union declarations.
The JSON file list parser is used to communicate input to InstallAPI.
TypeSpecifierType
Specifies the kind of type.
void atTemplateEnd(TemplateInstantiationCallbackPtrs &Callbacks, const Sema &TheSema, const Sema::CodeSynthesisContext &Inst)
bool isTemplateInstantiation(TemplateSpecializationKind Kind)
Determine whether this template specialization kind refers to an instantiation of an entity (as oppos...
@ ExpectedFunctionWithProtoType
void atTemplateBegin(TemplateInstantiationCallbackPtrs &Callbacks, const Sema &TheSema, const Sema::CodeSynthesisContext &Inst)
@ GNUAutoType
__auto_type (GNU extension)
@ DecltypeAuto
decltype(auto)
llvm::StringRef getParameterABISpelling(ParameterABI kind)
FunctionEffectMode
Used with attributes/effects with a boolean condition, e.g. nonblocking.
LLVM_READONLY bool isAsciiIdentifierContinue(unsigned char c)
NullabilityKind
Describes the nullability of a particular type.
@ Nullable
Values of this type can be null.
@ Unspecified
Whether values of this type can be null is (explicitly) unspecified.
@ NonNull
Values of this type can never be null.
@ RQ_None
No ref-qualifier was provided.
@ RQ_LValue
An lvalue ref-qualifier was provided (&).
@ RQ_RValue
An rvalue ref-qualifier was provided (&&).
llvm::PointerUnion< Expr *, IdentifierLoc * > ArgsUnion
A union of the various pointer types that can be passed to an ParsedAttr as an argument.
@ IK_DeductionGuideName
A deduction-guide name (a template-name)
@ IK_ImplicitSelfParam
An implicit 'self' parameter.
@ IK_TemplateId
A template-id, e.g., f<int>.
@ IK_ConstructorTemplateId
A constructor named via a template-id.
@ IK_ConstructorName
A constructor name.
@ IK_LiteralOperatorId
A user-defined literal name, e.g., operator "" _i.
@ IK_Identifier
An identifier.
@ IK_DestructorName
A destructor name.
@ IK_OperatorFunctionId
An overloaded operator name, e.g., operator+.
@ IK_ConversionFunctionId
A conversion function name, e.g., operator int.
TypeOfKind
The kind of 'typeof' expression we're after.
@ AANT_ArgumentIntegerConstant
@ Result
The result type of a method or function.
llvm::StringRef getNullabilitySpelling(NullabilityKind kind, bool isContextSensitive=false)
Retrieve the spelling of the given nullability kind.
ArraySizeModifier
Capture whether this is a normal array (e.g.
@ SwiftAsyncContext
This parameter (which must have pointer type) uses the special Swift asynchronous context-pointer ABI...
@ SwiftErrorResult
This parameter (which must have pointer-to-pointer type) uses the special Swift error-result ABI trea...
@ Ordinary
This parameter uses ordinary ABI rules for its type.
@ SwiftIndirectResult
This parameter (which must have pointer type) is a Swift indirect result parameter.
@ SwiftContext
This parameter (which must have pointer type) uses the special Swift context-pointer ABI treatment.
bool supportsVariadicCall(CallingConv CC)
Checks whether the given calling convention supports variadic calls.
bool isComputedNoexcept(ExceptionSpecificationType ESpecType)
static bool isBlockPointer(Expr *Arg)
ActionResult< Expr * > ExprResult
TagTypeKind
The kind of a tag type.
@ Interface
The "__interface" keyword.
@ Struct
The "struct" keyword.
@ Class
The "class" keyword.
@ Union
The "union" keyword.
@ Enum
The "enum" keyword.
LLVM_READONLY bool isWhitespace(unsigned char c)
Return true if this character is horizontal or vertical ASCII whitespace: ' ', '\t',...
std::pair< NullabilityKind, bool > DiagNullabilityKind
A nullability kind paired with a bit indicating whether it used a context-sensitive keyword.
LangAS
Defines the address space values used by the address space qualifier of QualType.
@ FirstTargetAddressSpace
const FunctionProtoType * T
MSInheritanceModel
Assigned inheritance model for a class in the MS C++ ABI.
@ Incomplete
Template argument deduction did not deduce a value for every template parameter.
@ Success
Template argument deduction was successful.
@ TSK_ExplicitSpecialization
This template specialization was declared or defined by an explicit specialization (C++ [temp....
@ TSK_ImplicitInstantiation
This template specialization was implicitly instantiated from a template.
@ TSK_Undeclared
This template specialization was formed from a template-id but has not yet been declared,...
CallingConv
CallingConv - Specifies the calling convention that a function uses.
@ SveFixedLengthData
is AArch64 SVE fixed-length data vector
@ Generic
not a target-specific vector type
@ RVVFixedLengthData
is RISC-V RVV fixed-length data vector
@ RVVFixedLengthMask
is RISC-V RVV fixed-length mask vector
@ NeonPoly
is ARM Neon polynomial vector
@ SveFixedLengthPredicate
is AArch64 SVE fixed-length predicate vector
LangAS getLangASFromTargetAS(unsigned TargetAS)
@ None
The alignment was not explicit in code.
ElaboratedTypeKeyword
The elaboration keyword that precedes a qualified type name or introduces an elaborated-type-specifie...
@ None
No keyword precedes the qualified type name.
@ Class
The "class" keyword introduces the elaborated-type-specifier.
@ Parens
New-expression has a C++98 paren-delimited initializer.
@ EST_DependentNoexcept
noexcept(expression), value-dependent
@ EST_Uninstantiated
not instantiated yet
@ EST_Unparsed
not parsed yet
@ EST_NoThrow
Microsoft __declspec(nothrow) extension.
@ EST_None
no exception specification
@ EST_MSAny
Microsoft throw(...) extension.
@ EST_BasicNoexcept
noexcept
@ EST_NoexceptFalse
noexcept(expression), evals to 'false'
@ EST_Unevaluated
not evaluated yet, for special member function
@ EST_NoexceptTrue
noexcept(expression), evals to 'true'
@ EST_Dynamic
throw(T1, T2)
@ Implicit
An implicit conversion.
static const ASTTemplateArgumentListInfo * Create(const ASTContext &C, const TemplateArgumentListInfo &List)
DeclarationNameInfo - A collector data type for bundling together a DeclarationName and the correspon...
unsigned isStar
True if this dimension was [*]. In this case, NumElts is null.
unsigned TypeQuals
The type qualifiers for the array: const/volatile/restrict/__unaligned/_Atomic.
unsigned hasStatic
True if this dimension included the 'static' keyword.
Expr * NumElts
This is the size of the array, or null if [] or [*] was specified.
unsigned TypeQuals
For now, sema will catch these as invalid.
unsigned isVariadic
isVariadic - If this function has a prototype, and if that proto ends with ',...)',...
SourceLocation getTrailingReturnTypeLoc() const
Get the trailing-return-type location for this function declarator.
SourceLocation getLParenLoc() const
bool hasTrailingReturnType() const
Determine whether this function declarator had a trailing-return-type.
TypeAndRange * Exceptions
Pointer to a new[]'d array of TypeAndRange objects that contain the types in the function's dynamic e...
ParamInfo * Params
Params - This is a pointer to a new[]'d array of ParamInfo objects that describe the parameters speci...
ParsedType getTrailingReturnType() const
Get the trailing-return-type for this function declarator.
unsigned RefQualifierIsLValueRef
Whether the ref-qualifier (if any) is an lvalue reference.
SourceLocation getExceptionSpecLocBeg() const
DeclSpec * MethodQualifiers
DeclSpec for the function with the qualifier related info.
SourceLocation getRefQualifierLoc() const
Retrieve the location of the ref-qualifier, if any.
SourceLocation getRParenLoc() const
SourceLocation getEllipsisLoc() const
unsigned NumParams
NumParams - This is the number of formal parameters specified by the declarator.
unsigned getNumExceptions() const
Get the number of dynamic exception specifications.
bool hasMethodTypeQualifiers() const
Determine whether this method has qualifiers.
unsigned isAmbiguous
Can this declaration be a constructor-style initializer?
unsigned hasPrototype
hasPrototype - This is true if the function had at least one typed parameter.
bool hasRefQualifier() const
Determine whether this function declaration contains a ref-qualifier.
SourceRange getExceptionSpecRange() const
ExceptionSpecificationType getExceptionSpecType() const
Get the type of exception specification this function has.
Expr * NoexceptExpr
Pointer to the expression in the noexcept-specifier of this function, if it has one.
unsigned TypeQuals
The type qualifiers: const/volatile/restrict/__unaligned/_Atomic.
SourceLocation StarLoc
Location of the '*' token.
const IdentifierInfo * Ident
SourceLocation RestrictQualLoc
The location of the restrict-qualifier, if any.
SourceLocation ConstQualLoc
The location of the const-qualifier, if any.
SourceLocation VolatileQualLoc
The location of the volatile-qualifier, if any.
SourceLocation UnalignedQualLoc
The location of the __unaligned-qualifier, if any.
unsigned TypeQuals
The type qualifiers: const/volatile/restrict/unaligned/atomic.
SourceLocation AtomicQualLoc
The location of the _Atomic-qualifier, if any.
bool LValueRef
True if this is an lvalue reference, false if it's an rvalue reference.
bool HasRestrict
The type qualifier: restrict. [GNU] C++ extension.
One instance of this struct is used for each type in a declarator that is parsed.
const ParsedAttributesView & getAttrs() const
If there are attributes applied to this declaratorchunk, return them.
enum clang::DeclaratorChunk::@225 Kind
SourceLocation EndLoc
EndLoc - If valid, the place where this chunck ends.
static DeclaratorChunk getFunction(bool HasProto, bool IsAmbiguous, SourceLocation LParenLoc, ParamInfo *Params, unsigned NumParams, SourceLocation EllipsisLoc, SourceLocation RParenLoc, bool RefQualifierIsLvalueRef, SourceLocation RefQualifierLoc, SourceLocation MutableLoc, ExceptionSpecificationType ESpecType, SourceRange ESpecRange, ParsedType *Exceptions, SourceRange *ExceptionRanges, unsigned NumExceptions, Expr *NoexceptExpr, CachedTokens *ExceptionSpecTokens, ArrayRef< NamedDecl * > DeclsInPrototype, SourceLocation LocalRangeBegin, SourceLocation LocalRangeEnd, Declarator &TheDeclarator, TypeResult TrailingReturnType=TypeResult(), SourceLocation TrailingReturnTypeLoc=SourceLocation(), DeclSpec *MethodQualifiers=nullptr)
DeclaratorChunk::getFunction - Return a DeclaratorChunk for a function.
MemberPointerTypeInfo Mem
SourceLocation Loc
Loc - The place where this type was defined.
Describes whether we've seen any nullability information for the given file.
SourceLocation PointerEndLoc
The end location for the first pointer declarator in the file.
SourceLocation PointerLoc
The first pointer declarator (of any pointer kind) in the file that does not have a corresponding nul...
bool SawTypeNullability
Whether we saw any type nullability annotations in the given file.
uint8_t PointerKind
Which kind of pointer declarator we saw.
A FunctionEffect plus a potential boolean expression determining whether the effect is declared (e....
Holds information about the various types of exception specification.
Extra information about a function prototype.
ExceptionSpecInfo ExceptionSpec
unsigned AArch64SMEAttributes
SourceLocation EllipsisLoc
FunctionEffectsRef FunctionEffects
const ExtParameterInfo * ExtParameterInfos
RefQualifierKind RefQualifier
unsigned HasTrailingReturn
void setArmSMEAttribute(AArch64SMETypeAttributes Kind, bool Enable=true)
FunctionType::ExtInfo ExtInfo
Wraps an identifier and optional source location for the identifier.
SmallVector< NamedDecl *, 4 > TemplateParams
Store the list of the template parameters for a generic lambda or an abbreviated function template.
unsigned AutoTemplateParameterDepth
If this is a generic lambda or abbreviated function template, use this as the depth of each 'auto' pa...
Describes how types, statements, expressions, and declarations should be printed.
@ Memoization
Added for Template instantiation observation.
Abstract class used to diagnose incomplete types.
virtual void diagnose(Sema &S, SourceLocation Loc, QualType T)=0
A std::pair-like structure for storing a qualified type split into its local qualifiers and its local...
SplitQualType getSingleStepDesugaredType() const
const Type * Ty
The locally-unqualified type.
Qualifiers Quals
The local qualifiers.
bool IsEquivalent(Decl *D1, Decl *D2)
Determine whether the two declarations are structurally equivalent.
Information about a template-id annotation token.
const IdentifierInfo * Name
FIXME: Temporarily stores the name of a specialization.
unsigned NumArgs
NumArgs - The number of template arguments.
SourceLocation TemplateNameLoc
TemplateNameLoc - The location of the template name within the source.
ParsedTemplateArgument * getTemplateArgs()
Retrieves a pointer to the template arguments.
SourceLocation RAngleLoc
The location of the '>' after the template argument list.
SourceLocation LAngleLoc
The location of the '<' before the template argument list.
SourceLocation TemplateKWLoc
TemplateKWLoc - The location of the template keyword.
ParsedTemplateTy Template
The declaration of the template corresponding to the template-name.