45#include "llvm/ADT/APInt.h"
46#include "llvm/ADT/STLExtras.h"
47#include "llvm/ADT/StringExtras.h"
48#include "llvm/Support/ErrorHandling.h"
49#include "llvm/Support/TypeSize.h"
83 llvm_unreachable(
"Nested name specifier is not a type for inheriting ctor");
95 bool EnteringContext) {
98 "not a constructor name");
120 auto *RD = dyn_cast<CXXRecordDecl>(ND);
121 if (RD && RD->isInjectedClassName()) {
122 InjectedClassName = RD;
126 if (!InjectedClassName) {
131 diag::err_incomplete_nested_name_spec) << CurClass << SS.
getRange();
146 bool EnteringContext) {
192 auto IsAcceptableResult = [&](
NamedDecl *D) ->
bool {
193 auto *
Type = dyn_cast<TypeDecl>(D->getUnderlyingDecl());
204 unsigned NumAcceptableResults = 0;
206 if (IsAcceptableResult(D))
207 ++NumAcceptableResults;
212 if (
auto *RD = dyn_cast<CXXRecordDecl>(D))
213 if (RD->isInjectedClassName())
214 D = cast<NamedDecl>(RD->getParent());
216 if (FoundDeclSet.insert(D).second)
217 FoundDecls.push_back(D);
225 if (Found.isAmbiguous() && NumAcceptableResults == 1) {
226 Diag(NameLoc, diag::ext_dtor_name_ambiguous);
236 if (!IsAcceptableResult(D))
242 if (Found.isAmbiguous())
246 if (IsAcceptableResult(
Type)) {
258 bool IsDependent =
false;
260 auto LookupInObjectType = [&]() ->
ParsedType {
261 if (Failed || SearchType.
isNull())
271 return CheckLookupResult(Found);
289 return CheckLookupResult(Found);
298 return CheckLookupResult(Found);
345 if (
ParsedType T = LookupInNestedNameSpec(PrefixSS))
375 unsigned NumNonExtensionDecls = FoundDecls.size();
383 if (
ParsedType T = LookupInNestedNameSpec(SS)) {
399 Diag(SS.
getEndLoc(), diag::ext_qualified_dtor_named_in_lexical_scope)
401 Diag(FoundDecls.back()->getLocation(), diag::note_destructor_type_here)
412 FoundDecls.resize(NumNonExtensionDecls);
415 std::stable_sort(FoundDecls.begin(), FoundDecls.end(),
417 return isa<TypeDecl>(A->getUnderlyingDecl()) >
418 isa<TypeDecl>(B->getUnderlyingDecl());
422 auto MakeFixItHint = [&]{
428 Destroyed = dyn_cast_or_null<CXXRecordDecl>(S->getEntity());
435 if (FoundDecls.empty()) {
437 Diag(NameLoc, diag::err_undeclared_destructor_name)
438 << &II << MakeFixItHint();
439 }
else if (!SearchType.
isNull() && FoundDecls.size() == 1) {
440 if (
auto *TD = dyn_cast<TypeDecl>(FoundDecls[0]->getUnderlyingDecl())) {
441 assert(!SearchType.
isNull() &&
442 "should only reject a type result if we have a search type");
444 Diag(NameLoc, diag::err_destructor_expr_type_mismatch)
445 << T << SearchType << MakeFixItHint();
447 Diag(NameLoc, diag::err_destructor_expr_nontype)
448 << &II << MakeFixItHint();
451 Diag(NameLoc, SearchType.
isNull() ? diag::err_destructor_name_nontype
452 : diag::err_destructor_expr_mismatch)
453 << &II << SearchType << MakeFixItHint();
457 if (
auto *TD = dyn_cast<TypeDecl>(FoundD->getUnderlyingDecl()))
458 Diag(FoundD->getLocation(), diag::note_destructor_type_here)
461 Diag(FoundD->getLocation(), diag::note_destructor_nontype_here)
479 "unexpected type in getDestructorType");
508 Name.getSourceRange(),
509 (StringRef(
"operator\"\"") + II->
getName()).str());
511 Diag(Loc, diag::warn_reserved_extern_symbol)
512 << II << static_cast<int>(Status) << Hint;
514 Diag(Loc, diag::warn_deprecated_literal_operator_id) << II << Hint;
530 Diag(Name.getBeginLoc(), diag::err_literal_operator_id_outside_namespace)
541 llvm_unreachable(
"unknown nested name specifier kind");
563 return ExprError(
Diag(TypeidLoc, diag::err_variably_modified_typeid) << T);
577 bool WasEvaluated =
false;
587 CXXRecordDecl *RecordD = cast<CXXRecordDecl>(RecordT->getDecl());
633 return ExprError(
Diag(TypeidLoc, diag::err_variably_modified_typeid)
640 ? diag::warn_side_effects_typeid
641 : diag::warn_side_effects_unevaluated_context);
654 return ExprError(
Diag(OpLoc, diag::err_openclcxx_not_supported)
660 return ExprError(
Diag(OpLoc, diag::err_need_header_before_typeid));
674 return ExprError(
Diag(OpLoc, diag::err_need_header_before_typeid));
678 return ExprError(
Diag(OpLoc, diag::err_no_typeid_with_fno_rtti));
702 if (
auto *CTE = dyn_cast<CXXTypeidExpr>(
Result.get()))
703 if (CTE->isPotentiallyEvaluated() && !CTE->isMostDerived(
Context))
704 Diag(OpLoc, diag::warn_no_typeid_with_rtti_disabled)
726 if (
const auto *Uuid = TD->getMostRecentDecl()->getAttr<UuidAttr>()) {
727 UuidAttrs.insert(Uuid);
732 if (
const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(TD)) {
735 const UuidAttr *UuidForTA =
nullptr;
742 UuidAttrs.insert(UuidForTA);
753 if (!Operand->getType()->isDependentType()) {
756 if (UuidAttrs.empty())
757 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_without_guid));
758 if (UuidAttrs.size() > 1)
759 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids));
760 Guid = UuidAttrs.back()->getGuidDecl();
778 if (UuidAttrs.empty())
779 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_without_guid));
780 if (UuidAttrs.size() > 1)
781 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids));
782 Guid = UuidAttrs.back()->getGuidDecl();
818 assert((Kind == tok::kw_true || Kind == tok::kw_false) &&
819 "Unknown C++ Boolean value!");
833 bool IsThrownVarInScope =
false;
846 if (
const auto *DRE = dyn_cast<DeclRefExpr>(Ex->
IgnoreParens()))
847 if (
const auto *Var = dyn_cast<VarDecl>(DRE->getDecl());
848 Var && Var->hasLocalStorage() &&
849 !Var->getType().isVolatileQualified()) {
850 for (; S; S = S->getParent()) {
851 if (S->isDeclScope(Var)) {
852 IsThrownVarInScope =
true;
869 bool IsThrownVarInScope) {
871 const bool IsOpenMPGPUTarget =
872 getLangOpts().OpenMPIsTargetDevice && (T.isNVPTX() || T.isAMDGCN());
875 if (!IsOpenMPGPUTarget && !
getLangOpts().CXXExceptions &&
878 targetDiag(OpLoc, diag::err_exceptions_disabled) <<
"throw";
882 if (IsOpenMPGPUTarget)
883 targetDiag(OpLoc, diag::warn_throw_not_valid_on_target) << T.str();
891 Diag(OpLoc, diag::err_omp_simd_region_cannot_use_stmt) <<
"throw";
896 Diag(OpLoc, diag::err_acc_branch_in_out_compute_construct)
940 llvm::DenseMap<CXXRecordDecl *, unsigned> &SubobjectsSeen,
941 llvm::SmallPtrSetImpl<CXXRecordDecl *> &VBases,
942 llvm::SetVector<CXXRecordDecl *> &PublicSubobjectsSeen,
943 bool ParentIsPublic) {
945 CXXRecordDecl *BaseDecl = BS.getType()->getAsCXXRecordDecl();
950 NewSubobject = VBases.insert(BaseDecl).second;
955 ++SubobjectsSeen[BaseDecl];
958 bool PublicPath = ParentIsPublic && BS.getAccessSpecifier() ==
AS_public;
960 PublicSubobjectsSeen.insert(BaseDecl);
970 llvm::DenseMap<CXXRecordDecl *, unsigned> SubobjectsSeen;
971 llvm::SmallSet<CXXRecordDecl *, 2> VBases;
972 llvm::SetVector<CXXRecordDecl *> PublicSubobjectsSeen;
973 SubobjectsSeen[RD] = 1;
974 PublicSubobjectsSeen.insert(RD);
978 for (
CXXRecordDecl *PublicSubobject : PublicSubobjectsSeen) {
980 if (SubobjectsSeen[PublicSubobject] > 1)
983 Objects.push_back(PublicSubobject);
993 bool isPointer =
false;
1013 isPointer ? diag::err_throw_incomplete_ptr
1014 : diag::err_throw_incomplete,
1024 diag::err_throw_abstract_type, E))
1046 PDiag(diag::err_access_dtor_exception) << Ty);
1062 for (
CXXRecordDecl *Subobject : UnambiguousPublicSubobjects) {
1089 for (
unsigned I = 1, E = CD->
getNumParams(); I != E; ++I) {
1103 if (ExnObjAlign < TypeAlign) {
1104 Diag(ThrowLoc, diag::warn_throw_underaligned_obj);
1105 Diag(ThrowLoc, diag::note_throw_underaligned_obj)
1110 if (!isPointer &&
getLangOpts().AssumeNothrowExceptionDtor) {
1112 auto Ty = Dtor->getType();
1116 Diag(ThrowLoc, diag::err_throw_object_throwing_dtor) << RD;
1168 for (
int I = FunctionScopes.size();
1169 I-- && isa<LambdaScopeInfo>(FunctionScopes[I]) &&
1171 cast<LambdaScopeInfo>(FunctionScopes[I])->CallOperator);
1173 CurLSI = cast<LambdaScopeInfo>(FunctionScopes[I]);
1180 if (
C.isCopyCapture()) {
1192 "While computing 'this' capture-type for a generic lambda, when we "
1193 "run out of enclosing LSI's, yet the enclosing DC is a "
1194 "lambda-call-operator we must be (i.e. Current LSI) in a generic "
1195 "lambda call oeprator");
1198 auto IsThisCaptured =
1203 if (
C.capturesThis()) {
1214 bool IsByCopyCapture =
false;
1215 bool IsConstCapture =
false;
1218 IsThisCaptured(Closure, IsByCopyCapture, IsConstCapture)) {
1219 if (IsByCopyCapture) {
1237 if (method && method->isImplicitObjectMemberFunction())
1238 ThisTy = method->getThisType().getNonReferenceType();
1266 : S(S), OldCXXThisTypeOverride(S.CXXThisTypeOverride), Enabled(
false)
1268 if (!Enabled || !ContextDecl)
1273 Record = Template->getTemplatedDecl();
1275 Record = cast<CXXRecordDecl>(ContextDecl);
1283 this->Enabled =
true;
1300 Sema.
Diag(DiagLoc, diag::note_lambda_this_capture_fixit)
1306 bool BuildAndDiagnose,
const unsigned *
const FunctionScopeIndexToStopAt,
1307 const bool ByCopy) {
1312 assert((!ByCopy || Explicit) &&
"cannot implicitly capture *this by value");
1314 const int MaxFunctionScopesIndex = FunctionScopeIndexToStopAt
1315 ? *FunctionScopeIndexToStopAt
1341 unsigned NumCapturingClosures = 0;
1342 for (
int idx = MaxFunctionScopesIndex; idx >= 0; idx--) {
1345 if (CSI->CXXThisCaptureIndex != 0) {
1347 CSI->Captures[CSI->CXXThisCaptureIndex - 1].markUsed(BuildAndDiagnose);
1353 if (BuildAndDiagnose) {
1355 Diag(Loc, diag::err_this_capture)
1356 << (Explicit && idx == MaxFunctionScopesIndex);
1366 (Explicit && idx == MaxFunctionScopesIndex)) {
1372 NumCapturingClosures++;
1376 if (BuildAndDiagnose) {
1378 Diag(Loc, diag::err_this_capture)
1379 << (Explicit && idx == MaxFunctionScopesIndex);
1387 if (!BuildAndDiagnose)
return false;
1400 "Only a lambda can capture the enclosing object (referred to by "
1403 for (
int idx = MaxFunctionScopesIndex; NumCapturingClosures;
1404 --idx, --NumCapturingClosures) {
1411 bool isNested = NumCapturingClosures > 1;
1426 if (
const auto *Method = dyn_cast<CXXMethodDecl>(DC);
1427 Method && Method->isExplicitObjectMemberFunction()) {
1428 return Diag(Loc, diag::err_invalid_this_use) << 1;
1432 return Diag(Loc, diag::err_invalid_this_use) << 1;
1434 return Diag(Loc, diag::err_invalid_this_use) << 0;
1472 bool ListInitialization) {
1482 RParenOrBraceLoc, ListInitialization);
1486 if (!
Result.isInvalid() &&
Result.get()->isInstantiationDependent() &&
1487 !
Result.get()->isTypeDependent())
1489 else if (
Result.isInvalid())
1491 RParenOrBraceLoc, exprs, Ty);
1500 bool ListInitialization) {
1504 assert((!ListInitialization || Exprs.size() == 1) &&
1505 "List initialization must have exactly one expression.");
1512 ? ListInitialization
1514 TyBeginLoc, LParenOrBraceLoc, RParenOrBraceLoc)
1528 isa<DeducedTemplateSpecializationType>(Deduced)) {
1534 }
else if (Deduced && !Deduced->
isDeduced()) {
1536 if (ListInitialization) {
1537 auto *ILE = cast<InitListExpr>(Exprs[0]);
1538 Inits =
MultiExprArg(ILE->getInits(), ILE->getNumInits());
1542 return ExprError(
Diag(TyBeginLoc, diag::err_auto_expr_init_no_expression)
1543 << Ty << FullRange);
1544 if (Inits.size() > 1) {
1545 Expr *FirstBad = Inits[1];
1547 diag::err_auto_expr_init_multiple_expressions)
1548 << Ty << FullRange);
1552 Diag(TyBeginLoc, diag::warn_cxx20_compat_auto_expr) << FullRange;
1554 Expr *Deduce = Inits[0];
1555 if (isa<InitListExpr>(Deduce))
1558 << ListInitialization << Ty << FullRange);
1565 return ExprError(
Diag(TyBeginLoc, diag::err_auto_expr_deduction_failure)
1566 << Ty << Deduce->
getType() << FullRange
1580 RParenOrBraceLoc, ListInitialization);
1586 if (Exprs.size() == 1 && !ListInitialization &&
1587 !isa<InitListExpr>(Exprs[0])) {
1588 Expr *Arg = Exprs[0];
1596 if (!ListInitialization)
1597 return ExprError(
Diag(TyBeginLoc, diag::err_value_init_for_array_type)
1607 return ExprError(
Diag(TyBeginLoc, diag::err_init_for_function_type)
1608 << Ty << FullRange);
1615 diag::err_invalid_incomplete_type_use, FullRange))
1628 Inner = BTE->getSubExpr();
1629 if (
auto *CE = dyn_cast<ConstantExpr>(Inner);
1630 CE && CE->isImmediateInvocation())
1631 Inner = CE->getSubExpr();
1632 if (!isa<CXXTemporaryObjectExpr>(Inner) &&
1633 !isa<CXXScalarValueInitExpr>(Inner)) {
1645 :
SourceRange(LParenOrBraceLoc, RParenOrBraceLoc);
1667 for (
const auto *D : R) {
1668 if (
const auto *FD = dyn_cast<FunctionDecl>(D)) {
1685 return llvm::none_of(PreventedBy, [&](
const FunctionDecl *FD) {
1687 "Only single-operand functions should be in PreventedBy");
1702 unsigned UsualParams = 1;
1704 if (S.
getLangOpts().SizedDeallocation && UsualParams < FD->getNumParams() &&
1710 if (S.
getLangOpts().AlignedAllocation && UsualParams < FD->getNumParams() &&
1720 struct UsualDeallocFnInfo {
1721 UsualDeallocFnInfo() : Found(), FD(nullptr) {}
1723 : Found(Found), FD(dyn_cast<
FunctionDecl>(Found->getUnderlyingDecl())),
1725 CUDAPref(
Sema::CFP_Native) {
1729 unsigned NumBaseParams = 1;
1730 if (FD->isDestroyingOperatorDelete()) {
1735 if (NumBaseParams < FD->getNumParams() &&
1737 FD->getParamDecl(NumBaseParams)->getType(),
1743 if (NumBaseParams < FD->getNumParams() &&
1744 FD->getParamDecl(NumBaseParams)->getType()->isAlignValT()) {
1746 HasAlignValT =
true;
1755 explicit operator bool()
const {
return FD; }
1757 bool isBetterThan(
const UsualDeallocFnInfo &
Other,
bool WantSize,
1758 bool WantAlign)
const {
1762 if (Destroying !=
Other.Destroying)
1769 if (HasAlignValT !=
Other.HasAlignValT)
1770 return HasAlignValT == WantAlign;
1772 if (HasSizeT !=
Other.HasSizeT)
1773 return HasSizeT == WantSize;
1776 return CUDAPref >
Other.CUDAPref;
1781 bool Destroying, HasSizeT, HasAlignValT;
1801 UsualDeallocFnInfo Best;
1803 for (
auto I = R.
begin(), E = R.
end(); I != E; ++I) {
1804 UsualDeallocFnInfo Info(S, I.getPair());
1812 BestFns->push_back(Info);
1816 if (Best.isBetterThan(Info, WantSize, WantAlign))
1821 if (BestFns && Info.isBetterThan(Best, WantSize, WantAlign))
1826 BestFns->push_back(Info);
1840 if (!record)
return false;
1853 if (ops.
empty())
return false;
1865 return Best && Best.HasSizeT;
1889 std::optional<Expr *> ArraySize;
1915 if (
Expr *NumElts = (
Expr *)Array.NumElts) {
1916 if (!NumElts->isTypeDependent() && !NumElts->isValueDependent()) {
1931 NumElts,
nullptr, diag::err_new_array_nonconst,
AllowFold)
1948 DirectInitRange = List->getSourceRange();
1951 PlacementLParen, PlacementArgs, PlacementRParen,
1952 TypeIdParens, AllocType, TInfo, ArraySize, DirectInitRange,
1961 return IsCPlusPlus20 || PLE->getNumExprs() == 0;
1962 if (isa<ImplicitValueInitExpr>(
Init))
1965 return !CCE->isListInitialization() &&
1966 CCE->getConstructor()->isDefaultConstructor();
1968 assert(isa<InitListExpr>(
Init) &&
1969 "Shouldn't create list CXXConstructExprs for arrays.");
1981 std::optional<unsigned> AlignmentParam;
1994 StringRef OSName = AvailabilityAttr::getPlatformNameSourceSpelling(
1999 bool IsDelete = Kind == OO_Delete || Kind == OO_Array_Delete;
2000 Diag(Loc, diag::err_aligned_allocation_unavailable)
2002 << OSVersion.getAsString() << OSVersion.empty();
2003 Diag(Loc, diag::note_silence_aligned_allocation_unavailable);
2013 std::optional<Expr *> ArraySize,
2019 if (DirectInitRange.
isValid()) {
2020 assert(
Initializer &&
"Have parens but no initializer.");
2027 "Initializer expression that cannot have been implicitly created.");
2034 "paren init for non-call init");
2035 Exprs =
MultiExprArg(List->getExprs(), List->getNumExprs());
2042 switch (InitStyle) {
2053 DirectInitRange.
getEnd());
2059 llvm_unreachable(
"Unknown initialization kind");
2064 if (Deduced && !Deduced->isDeduced() &&
2065 isa<DeducedTemplateSpecializationType>(Deduced)) {
2068 Diag(*ArraySize ? (*ArraySize)->getExprLoc() : TypeRange.
getBegin(),
2069 diag::err_deduced_class_template_compound_type)
2071 << (*ArraySize ? (*ArraySize)->getSourceRange() : TypeRange));
2076 AllocTypeInfo, Entity, Kind, Exprs);
2079 }
else if (Deduced && !Deduced->isDeduced()) {
2083 auto *ILE = cast<InitListExpr>(Exprs[0]);
2084 Inits =
MultiExprArg(ILE->getInits(), ILE->getNumInits());
2088 return ExprError(
Diag(StartLoc, diag::err_auto_new_requires_ctor_arg)
2089 << AllocType << TypeRange);
2090 if (Inits.size() > 1) {
2091 Expr *FirstBad = Inits[1];
2093 diag::err_auto_new_ctor_multiple_expressions)
2094 << AllocType << TypeRange);
2098 << AllocType << TypeRange;
2099 Expr *Deduce = Inits[0];
2100 if (isa<InitListExpr>(Deduce))
2103 << Braced << AllocType << TypeRange);
2110 return ExprError(
Diag(StartLoc, diag::err_auto_new_deduction_failure)
2111 << AllocType << Deduce->
getType() << TypeRange
2128 AllocType = Array->getElementType();
2148 if (ArraySize && *ArraySize &&
2149 (*ArraySize)->getType()->isNonOverloadPlaceholderType()) {
2152 ArraySize = result.
get();
2161 std::optional<uint64_t> KnownArraySize;
2162 if (ArraySize && *ArraySize && !(*ArraySize)->isTypeDependent()) {
2171 (*ArraySize)->getType()->getAs<
RecordType>())
2173 Diag(StartLoc, diag::warn_cxx98_compat_array_size_conversion)
2174 << (*ArraySize)->getType() << 0 <<
"'size_t'";
2181 SizeConvertDiagnoser(
Expr *ArraySize)
2183 ArraySize(ArraySize) {}
2187 return S.
Diag(Loc, diag::err_array_size_not_integral)
2193 return S.
Diag(Loc, diag::err_array_size_incomplete_type)
2199 return S.
Diag(Loc, diag::err_array_size_explicit_conversion) << T << ConvTy;
2210 return S.
Diag(Loc, diag::err_array_size_ambiguous_conversion) << T;
2224 ? diag::warn_cxx98_compat_array_size_conversion
2225 : diag::ext_array_size_conversion)
2228 } SizeDiagnoser(*ArraySize);
2236 ArraySize = ConvertedSize.
get();
2237 QualType SizeType = (*ArraySize)->getType();
2255 if (std::optional<llvm::APSInt>
Value =
2256 (*ArraySize)->getIntegerConstantExpr(
Context)) {
2257 if (
Value->isSigned() &&
Value->isNegative()) {
2259 diag::err_typecheck_negative_array_size)
2260 << (*ArraySize)->getSourceRange());
2264 unsigned ActiveSizeBits =
2268 Diag((*ArraySize)->getBeginLoc(), diag::err_array_too_large)
2272 KnownArraySize =
Value->getZExtValue();
2273 }
else if (TypeIdParens.
isValid()) {
2275 Diag((*ArraySize)->getBeginLoc(), diag::ext_new_paren_array_nonconst)
2276 << (*ArraySize)->getSourceRange()
2289 unsigned Alignment =
2292 bool PassAlignment =
getLangOpts().AlignedAllocation &&
2293 Alignment > NewAlignment;
2303 AllocType, ArraySize.has_value(), PassAlignment, PlacementArgs,
2304 OperatorNew, OperatorDelete))
2309 bool UsualArrayDeleteWantsSize =
false;
2311 UsualArrayDeleteWantsSize =
2324 unsigned NumImplicitArgs = PassAlignment ? 2 : 1;
2326 NumImplicitArgs, PlacementArgs, AllPlaceArgs,
2330 if (!AllPlaceArgs.empty())
2331 PlacementArgs = AllPlaceArgs;
2341 llvm::APInt SingleEltSize(
2345 std::optional<llvm::APInt> AllocationSize;
2348 AllocationSize = SingleEltSize;
2352 AllocationSize = llvm::APInt(SizeTyWidth, *KnownArraySize)
2353 .umul_ov(SingleEltSize, Overflow);
2357 "Expected that all the overflows would have been handled already.");
2361 Context, AllocationSize.value_or(llvm::APInt::getZero(SizeTyWidth)),
2380 CK_IntegralCast, &AlignmentLiteral,
2385 CallArgs.reserve(NumImplicitArgs + PlacementArgs.size());
2386 CallArgs.emplace_back(AllocationSize
2387 ?
static_cast<Expr *
>(&AllocationSizeLiteral)
2388 : &OpaqueAllocationSize);
2390 CallArgs.emplace_back(&DesiredAlignment);
2391 CallArgs.insert(CallArgs.end(), PlacementArgs.begin(), PlacementArgs.end());
2395 checkCall(OperatorNew, Proto,
nullptr, CallArgs,
2396 false, StartLoc, Range, CallType);
2400 if (PlacementArgs.empty() && !PassAlignment &&
2404 if (Alignment > NewAlignment)
2405 Diag(StartLoc, diag::warn_overaligned_type)
2417 SourceRange InitRange(Exprs.front()->getBeginLoc(),
2418 Exprs.back()->getEndLoc());
2419 Diag(StartLoc, diag::err_new_array_init_args) << InitRange;
2439 InitType = AllocType;
2452 dyn_cast_or_null<CXXBindTemporaryExpr>(FullInit.
get()))
2453 FullInit = Binder->getSubExpr();
2460 if (ArraySize && !*ArraySize) {
2468 Diag(TypeRange.
getEnd(), diag::err_new_array_size_unknown_from_init)
2480 if (OperatorDelete) {
2487 PassAlignment, UsualArrayDeleteWantsSize,
2488 PlacementArgs, TypeIdParens, ArraySize, InitStyle,
2500 return Diag(Loc, diag::err_bad_new_type)
2501 << AllocType << 0 << R;
2503 return Diag(Loc, diag::err_bad_new_type)
2504 << AllocType << 1 << R;
2507 Loc, AllocType, diag::err_new_incomplete_or_sizeless_type, R))
2510 diag::err_allocation_of_abstract_type))
2513 return Diag(Loc, diag::err_variably_modified_new_type)
2517 return Diag(Loc, diag::err_address_space_qualified_new)
2525 return Diag(Loc, diag::err_arc_new_array_without_ownership)
2540 Alloc != AllocEnd; ++Alloc) {
2577 if (PassAlignment) {
2578 PassAlignment =
false;
2580 Args.erase(Args.begin() + 1);
2582 Operator, &Candidates, AlignArg,
2608 (Args[1]->getType()->isObjectPointerType() ||
2609 Args[1]->getType()->isArrayType())) {
2610 S.
Diag(R.
getNameLoc(), diag::err_need_header_before_placement_new)
2625 if (AlignedCandidates) {
2627 return C.Function->getNumParams() > 1 &&
2628 C.Function->getParamDecl(1)->getType()->isAlignValT();
2632 AlignedArgs.reserve(Args.size() + 1);
2633 AlignedArgs.push_back(Args[0]);
2634 AlignedArgs.push_back(AlignArg);
2635 AlignedArgs.append(Args.begin() + 1, Args.end());
2648 if (AlignedCandidates)
2649 AlignedCandidates->
NoteCandidates(S, AlignedArgs, AlignedCands,
"",
2659 S.
PDiag(diag::err_ovl_ambiguous_call)
2669 S.
PDiag(diag::err_ovl_deleted_call)
2676 llvm_unreachable(
"Unreachable, bad result from BestViableFunction");
2698 AllocArgs.reserve((PassAlignment ? 2 : 1) + PlaceArgs.size());
2708 AllocArgs.push_back(&Size);
2711 if (PassAlignment) {
2717 AllocArgs.push_back(&Align);
2719 AllocArgs.insert(AllocArgs.end(), PlaceArgs.begin(), PlaceArgs.end());
2728 IsArray ? OO_Array_New : OO_New);
2760 if (PlaceArgs.empty()) {
2761 Diag(StartLoc, diag::err_openclcxx_not_supported) <<
"default new";
2763 Diag(StartLoc, diag::err_openclcxx_placement_new);
2768 assert(!R.
empty() &&
"implicitly declared allocation functions not found");
2769 assert(!R.
isAmbiguous() &&
"global allocation functions are ambiguous");
2775 OperatorNew,
nullptr,
2782 OperatorDelete =
nullptr;
2817 while (Filter.hasNext()) {
2818 auto *FD = dyn_cast<FunctionDecl>(Filter.next()->getUnderlyingDecl());
2819 if (FD && FD->isDestroyingOperatorDelete())
2825 bool FoundGlobalDelete = FoundDelete.
empty();
2826 if (FoundDelete.
empty()) {
2853 bool isPlacementNew = !PlaceArgs.empty() || OperatorNew->
param_size() != 1 ||
2856 if (isPlacementNew) {
2873 for (
unsigned I = 1, N = Proto->getNumParams(); I < N; ++I)
2874 ArgTypes.push_back(Proto->getParamType(I));
2878 EPI.
Variadic = Proto->isVariadic();
2880 ExpectedFunctionType
2885 DEnd = FoundDelete.
end();
2889 dyn_cast<FunctionTemplateDecl>((*D)->getUnderlyingDecl())) {
2897 Fn = cast<FunctionDecl>((*D)->getUnderlyingDecl());
2900 ExpectedFunctionType,
2902 ExpectedFunctionType))
2903 Matches.push_back(std::make_pair(D.getPair(), Fn));
2919 *
this, FoundDelete, FoundGlobalDelete,
2923 Matches.push_back(std::make_pair(Selected.Found, Selected.FD));
2927 for (
auto Fn : BestDeallocFns)
2928 Matches.push_back(std::make_pair(Fn.Found, Fn.FD));
2936 if (Matches.size() == 1) {
2937 OperatorDelete = Matches[0].second;
2947 UsualDeallocFnInfo Info(*
this,
2953 bool IsSizedDelete = Info.HasSizeT;
2954 if (IsSizedDelete && !FoundGlobalDelete) {
2955 auto NonSizedDelete =
2958 if (NonSizedDelete && !NonSizedDelete.HasSizeT &&
2959 NonSizedDelete.HasAlignValT == Info.HasAlignValT)
2960 IsSizedDelete =
false;
2963 if (IsSizedDelete) {
2967 PlaceArgs.back()->getEndLoc());
2968 Diag(StartLoc, diag::err_placement_new_non_placement_delete) << R;
2977 }
else if (!Matches.empty()) {
2981 Diag(StartLoc, diag::warn_ambiguous_suitable_delete_function_found)
2982 << DeleteName << AllocElemType;
2984 for (
auto &Match : Matches)
2985 Diag(Match.second->getLocation(),
2986 diag::note_member_declared_here) << DeleteName;
3073 if (TheGlobalModuleFragment) {
3088 if (TheGlobalModuleFragment) {
3089 AlignValT->setModuleOwnershipKind(
3091 AlignValT->setLocalOwningModule(TheGlobalModuleFragment);
3096 AlignValT->setImplicit(
true);
3109 Params.push_back(Param);
3112 bool HasSizedVariant =
getLangOpts().SizedDeallocation &&
3113 (Kind == OO_Delete || Kind == OO_Array_Delete);
3114 bool HasAlignedVariant =
getLangOpts().AlignedAllocation;
3116 int NumSizeVariants = (HasSizedVariant ? 2 : 1);
3117 int NumAlignVariants = (HasAlignedVariant ? 2 : 1);
3118 for (
int Sized = 0; Sized < NumSizeVariants; ++Sized) {
3120 Params.push_back(SizeT);
3122 for (
int Aligned = 0; Aligned < NumAlignVariants; ++Aligned) {
3135 DeclareGlobalAllocationFunctions(OO_New, VoidPtr, SizeT);
3136 DeclareGlobalAllocationFunctions(OO_Array_New, VoidPtr, SizeT);
3137 DeclareGlobalAllocationFunctions(OO_Delete,
Context.
VoidTy, VoidPtr);
3138 DeclareGlobalAllocationFunctions(OO_Array_Delete,
Context.
VoidTy, VoidPtr);
3141 PopGlobalModuleFragment();
3154 Alloc != AllocEnd; ++Alloc) {
3158 if (
Func->getNumParams() == Params.size()) {
3160 for (
auto *
P :
Func->parameters())
3161 FuncParams.push_back(
3167 Func->setVisibleDespiteOwningModule();
3175 false,
false,
true));
3178 bool HasBadAllocExceptionSpec
3179 = (Name.getCXXOverloadedOperator() == OO_New ||
3180 Name.getCXXOverloadedOperator() == OO_Array_New);
3181 if (HasBadAllocExceptionSpec) {
3184 assert(
StdBadAlloc &&
"Must have std::bad_alloc declared");
3196 auto CreateAllocationFunctionDecl = [&](
Attr *ExtraAttr) {
3206 if (HasBadAllocExceptionSpec &&
getLangOpts().NewInfallible &&
3221 if (TheGlobalModuleFragment) {
3228 Alloc->
addAttr(VisibilityAttr::CreateImplicit(
3230 ? VisibilityAttr::Hidden
3232 ? VisibilityAttr::Protected
3233 : VisibilityAttr::Default));
3240 ParamDecls.back()->setImplicit();
3242 Alloc->setParams(ParamDecls);
3251 CreateAllocationFunctionDecl(
nullptr);
3255 CreateAllocationFunctionDecl(CUDAHostAttr::CreateImplicit(
Context));
3256 CreateAllocationFunctionDecl(CUDADeviceAttr::CreateImplicit(
Context));
3261 bool CanProvideSize,
3275 assert(
Result.FD &&
"operator delete missing from global scope?");
3287 return OperatorDelete;
3299 bool WantSize,
bool WantAligned) {
3317 Overaligned, &Matches);
3320 if (Matches.size() == 1) {
3321 Operator = cast<CXXMethodDecl>(Matches[0].FD);
3326 Diag(StartLoc, diag::err_deleted_function_use);
3342 if (!Matches.empty()) {
3344 Diag(StartLoc, diag::err_ambiguous_suitable_delete_member_function_found)
3346 for (
auto &Match : Matches)
3347 Diag(Match.FD->getLocation(), diag::note_member_declared_here) << Name;
3354 if (!Found.
empty()) {
3356 Diag(StartLoc, diag::err_no_suitable_delete_member_function_found)
3360 Diag(D->getUnderlyingDecl()->getLocation(),
3361 diag::note_member_declared_here) << Name;
3373class MismatchingNewDeleteDetector {
3375 enum MismatchResult {
3381 MemberInitMismatches,
3390 explicit MismatchingNewDeleteDetector(
bool EndOfTU)
3391 : Field(nullptr), IsArrayForm(
false), EndOfTU(EndOfTU),
3392 HasUndefinedConstructors(
false) {}
3409 MismatchResult analyzeField(
FieldDecl *Field,
bool DeleteWasArrayForm);
3419 bool HasUndefinedConstructors;
3431 MismatchResult analyzeMemberExpr(
const MemberExpr *ME);
3454 MismatchResult analyzeInClassInitializer();
3458MismatchingNewDeleteDetector::MismatchResult
3459MismatchingNewDeleteDetector::analyzeDeleteExpr(
const CXXDeleteExpr *DE) {
3461 assert(DE &&
"Expected delete-expression");
3464 if (
const MemberExpr *ME = dyn_cast<const MemberExpr>(E)) {
3465 return analyzeMemberExpr(ME);
3466 }
else if (
const DeclRefExpr *D = dyn_cast<const DeclRefExpr>(E)) {
3467 if (!hasMatchingVarInit(D))
3468 return VarInitMismatches;
3474MismatchingNewDeleteDetector::getNewExprFromInitListOrExpr(
const Expr *E) {
3475 assert(E !=
nullptr &&
"Expected a valid initializer expression");
3477 if (
const InitListExpr *ILE = dyn_cast<const InitListExpr>(E)) {
3478 if (ILE->getNumInits() == 1)
3479 E = dyn_cast<const CXXNewExpr>(ILE->getInit(0)->IgnoreParenImpCasts());
3482 return dyn_cast_or_null<const CXXNewExpr>(E);
3485bool MismatchingNewDeleteDetector::hasMatchingNewInCtorInit(
3489 (NE = getNewExprFromInitListOrExpr(CI->
getInit()))) {
3490 if (
NE->isArray() == IsArrayForm)
3493 NewExprs.push_back(NE);
3498bool MismatchingNewDeleteDetector::hasMatchingNewInCtor(
3504 HasUndefinedConstructors =
true;
3507 for (
const auto *CI : cast<const CXXConstructorDecl>(
Definition)->inits()) {
3508 if (hasMatchingNewInCtorInit(CI))
3514MismatchingNewDeleteDetector::MismatchResult
3515MismatchingNewDeleteDetector::analyzeInClassInitializer() {
3516 assert(Field !=
nullptr &&
"This should be called only for members");
3517 const Expr *InitExpr =
Field->getInClassInitializer();
3519 return EndOfTU ? NoMismatch : AnalyzeLater;
3520 if (
const CXXNewExpr *NE = getNewExprFromInitListOrExpr(InitExpr)) {
3521 if (
NE->isArray() != IsArrayForm) {
3522 NewExprs.push_back(NE);
3523 return MemberInitMismatches;
3529MismatchingNewDeleteDetector::MismatchResult
3530MismatchingNewDeleteDetector::analyzeField(
FieldDecl *Field,
3531 bool DeleteWasArrayForm) {
3532 assert(Field !=
nullptr &&
"Analysis requires a valid class member.");
3533 this->Field =
Field;
3534 IsArrayForm = DeleteWasArrayForm;
3536 for (
const auto *CD : RD->
ctors()) {
3537 if (hasMatchingNewInCtor(CD))
3540 if (HasUndefinedConstructors)
3541 return EndOfTU ? NoMismatch : AnalyzeLater;
3542 if (!NewExprs.empty())
3543 return MemberInitMismatches;
3544 return Field->hasInClassInitializer() ? analyzeInClassInitializer()
3548MismatchingNewDeleteDetector::MismatchResult
3549MismatchingNewDeleteDetector::analyzeMemberExpr(
const MemberExpr *ME) {
3550 assert(ME !=
nullptr &&
"Expected a member expression");
3552 return analyzeField(F, IsArrayForm);
3556bool MismatchingNewDeleteDetector::hasMatchingVarInit(
const DeclRefExpr *D) {
3559 if (VD->hasInit() && (NE = getNewExprFromInitListOrExpr(VD->getInit())) &&
3560 NE->isArray() != IsArrayForm) {
3561 NewExprs.push_back(NE);
3564 return NewExprs.empty();
3569 const MismatchingNewDeleteDetector &Detector) {
3572 if (!Detector.IsArrayForm)
3581 SemaRef.
Diag(DeleteLoc, diag::warn_mismatched_delete_new)
3582 << Detector.IsArrayForm << H;
3584 for (
const auto *NE : Detector.NewExprs)
3585 SemaRef.
Diag(NE->getExprLoc(), diag::note_allocated_here)
3586 << Detector.IsArrayForm;
3589void Sema::AnalyzeDeleteExprMismatch(
const CXXDeleteExpr *DE) {
3592 MismatchingNewDeleteDetector Detector(
false);
3593 switch (Detector.analyzeDeleteExpr(DE)) {
3594 case MismatchingNewDeleteDetector::VarInitMismatches:
3595 case MismatchingNewDeleteDetector::MemberInitMismatches: {
3599 case MismatchingNewDeleteDetector::AnalyzeLater: {
3604 case MismatchingNewDeleteDetector::NoMismatch:
3610 bool DeleteWasArrayForm) {
3611 MismatchingNewDeleteDetector Detector(
true);
3612 switch (Detector.analyzeField(Field, DeleteWasArrayForm)) {
3613 case MismatchingNewDeleteDetector::VarInitMismatches:
3614 llvm_unreachable(
"This analysis should have been done for class members.");
3615 case MismatchingNewDeleteDetector::AnalyzeLater:
3616 llvm_unreachable(
"Analysis cannot be postponed any point beyond end of "
3617 "translation unit.");
3618 case MismatchingNewDeleteDetector::MemberInitMismatches:
3621 case MismatchingNewDeleteDetector::NoMismatch:
3632 bool ArrayForm,
Expr *ExE) {
3642 bool ArrayFormAsWritten = ArrayForm;
3643 bool UsualArrayDeleteWantsSize =
false;
3661 if (ConvPtrType->getPointeeType()->isIncompleteOrObjectType())
3668 return S.
Diag(Loc, diag::err_delete_operand) << T;
3673 return S.
Diag(Loc, diag::err_delete_incomplete_class_type) << T;
3679 return S.
Diag(Loc, diag::err_delete_explicit_conversion) << T << ConvTy;
3690 return S.
Diag(Loc, diag::err_ambiguous_delete_operand) << T;
3702 llvm_unreachable(
"conversion functions are permitted");
3710 if (!Converter.match(
Type))
3721 diag::err_address_space_qualified_delete)
3730 Diag(StartLoc, diag::ext_delete_void_ptr_operand)
3740 diag::warn_delete_incomplete, Ex.
get())) {
3742 PointeeRD = cast<CXXRecordDecl>(RT->getDecl());
3747 Diag(StartLoc, diag::warn_delete_array_type)
3754 ArrayForm ? OO_Array_Delete : OO_Delete);
3768 UsualArrayDeleteWantsSize =
3773 else if (OperatorDelete && isa<CXXMethodDecl>(OperatorDelete))
3774 UsualArrayDeleteWantsSize =
3775 UsualDeallocFnInfo(*
this,
3794 if (!OperatorDelete) {
3796 Diag(StartLoc, diag::err_openclcxx_not_supported) <<
"default delete";
3801 bool CanProvideSize =
3802 IsComplete && (!ArrayForm || UsualArrayDeleteWantsSize ||
3808 Overaligned, DeleteName);
3815 bool IsVirtualDelete =
false;
3819 PDiag(diag::err_access_dtor) << PointeeElem);
3820 IsVirtualDelete = Dtor->isVirtual();
3849 UsualArrayDeleteWantsSize, OperatorDelete, Ex.
get(), StartLoc);
3850 AnalyzeDeleteExprMismatch(
Result);
3859 IsDelete ? OO_Delete : OO_New);
3863 assert(!R.
empty() &&
"implicitly declared allocation functions not found");
3864 assert(!R.
isAmbiguous() &&
"global allocation functions are ambiguous");
3873 FnOvl != FnOvlEnd; ++FnOvl) {
3876 NamedDecl *D = (*FnOvl)->getUnderlyingDecl();
3900 "class members should not be considered");
3903 S.
Diag(R.
getNameLoc(), diag::err_builtin_operator_new_delete_not_usual)
3904 << (IsDelete ? 1 : 0) << Range;
3905 S.
Diag(FnDecl->
getLocation(), diag::note_non_usual_function_declared_here)
3917 S.
PDiag(diag::err_ovl_no_viable_function_in_call)
3925 S.
PDiag(diag::err_ovl_ambiguous_call)
3938 llvm_unreachable(
"Unreachable, bad result from BestViableFunction");
3942Sema::SemaBuiltinOperatorNewDeleteOverloaded(
ExprResult TheCallResult,
3944 CallExpr *TheCall = cast<CallExpr>(TheCallResult.
get());
3947 << (IsDelete ?
"__builtin_operator_delete" :
"__builtin_operator_new")
3957 OperatorNewOrDelete))
3959 assert(OperatorNewOrDelete &&
"should be found");
3965 for (
unsigned i = 0; i != TheCall->
getNumArgs(); ++i) {
3976 assert(Callee &&
Callee->getCastKind() == CK_BuiltinFnToFnPtr &&
3977 "Callee expected to be implicit cast to a builtin function pointer");
3980 return TheCallResult;
3984 bool IsDelete,
bool CallCanBeVirtual,
3985 bool WarnOnNonAbstractTypes,
4012 Diag(Loc, diag::warn_delete_abstract_non_virtual_dtor) << (IsDelete ? 0 : 1)
4014 }
else if (WarnOnNonAbstractTypes) {
4017 Diag(Loc, diag::warn_delete_non_virtual_dtor) << (IsDelete ? 0 : 1)
4021 std::string TypeStr;
4023 Diag(DtorLoc, diag::note_delete_non_virtual)
4053 diag::err_invalid_use_of_function_type)
4057 diag::err_invalid_use_of_array_type)
4075 llvm_unreachable(
"unexpected condition kind");
4102 diag::err_constexpr_if_condition_expression_is_not_constant);
4114 From = Cast->getSubExpr();
4126 if (!ToPtrType->getPointeeType().hasQualifiers()) {
4127 switch (StrLit->getKind()) {
4134 return (ToPointeeType->getKind() == BuiltinType::Char_U ||
4135 ToPointeeType->getKind() == BuiltinType::Char_S);
4140 assert(
false &&
"Unevaluated string literal in expression");
4155 bool HadMultipleCandidates,
4158 default: llvm_unreachable(
"Unhandled cast kind!");
4159 case CK_ConstructorConversion: {
4164 diag::err_allocation_of_abstract_type))
4177 CastLoc, Ty, FoundDecl, cast<CXXConstructorDecl>(Method),
4178 ConstructorArgs, HadMultipleCandidates,
4179 false,
false,
false,
4187 case CK_UserDefinedConversion: {
4197 HadMultipleCandidates);
4202 CK_UserDefinedConversion,
Result.get(),
4203 nullptr,
Result.get()->getValueKind(),
4240 assert(FD &&
"no conversion function for user-defined conversion seq");
4242 CastKind = CK_UserDefinedConversion;
4250 CastKind = CK_ConstructorConversion;
4278 From = CastArg.
get();
4292 PDiag(diag::err_typecheck_ambiguous_condition)
4298 llvm_unreachable(
"bad conversion");
4305 ToType, From->
getType(), From, Action);
4306 assert(Diagnosed &&
"failed to diagnose bad conversion"); (void)Diagnosed;
4345 false,
false,
false,
4352 false,
false,
false,
4385 ToAtomicType = ToType;
4386 ToType = ToAtomic->getValueType();
4389 QualType InitialFromType = FromType;
4391 switch (SCS.
First) {
4394 FromType = FromAtomic->getValueType().getUnqualifiedType();
4407 From = FromRes.
get();
4427 llvm_unreachable(
"Improper first standard conversion");
4464 "only enums with fixed underlying type can promote to bool");
4489 CK = CK_FloatingComplexCast;
4491 CK = CK_FloatingComplexToIntegralComplex;
4493 CK = CK_IntegralComplexToFloatingComplex;
4495 CK = CK_IntegralComplexCast;
4516 "Attempting implicit fixed point conversion without a fixed "
4521 nullptr, CCK).
get();
4525 nullptr, CCK).
get();
4529 nullptr, CCK).
get();
4533 nullptr, CCK).
get();
4537 nullptr, CCK).
get();
4541 nullptr, CCK).
get();
4546 nullptr, CCK).
get();
4555 diag::ext_typecheck_convert_incompatible_pointer)
4560 diag::ext_typecheck_convert_incompatible_pointer)
4567 }
else if (
getLangOpts().allowsNonTrivialObjCLifetimeQualifiers() &&
4573 Diag(From->
getBeginLoc(), diag::err_arc_convesion_of_weak_unavailable)
4602 if (Kind == CK_BlockPointerToObjCPointerCast) {
4656 &BasePath, CCK).
get();
4685 QualType ElType = ToComplex->getElementType();
4693 isFloatingComplex ? CK_FloatingCast : CK_FloatingToIntegral).
get();
4697 isFloatingComplex ? CK_IntegralToFloating : CK_IntegralCast).
get();
4701 isFloatingComplex ? CK_FloatingRealToComplex
4702 : CK_IntegralRealToComplex).
get();
4707 QualType ElType = FromComplex->getElementType();
4712 isFloatingComplex ? CK_FloatingComplexToReal
4713 : CK_IntegralComplexToReal,
4722 isFloatingComplex ? CK_FloatingCast
4723 : CK_IntegralToFloating,
4729 isFloatingComplex ? CK_FloatingToIntegral
4745 AddrSpaceL != AddrSpaceR ? CK_AddressSpaceConversion : CK_BitCast;
4758 From = FromRes.
get();
4760 "Improper transparent union conversion");
4768 CK_ZeroToOCLOpaqueType,
4776 "HLSL vector truncation should only apply to ExtVectors");
4779 QualType ElType = FromVec->getElementType();
4796 llvm_unreachable(
"Improper second standard conversion");
4805 "Element conversion for matrix types is not implemented yet.");
4807 "Element conversion is only supported for vector types.");
4810 "Element conversion is only supported for vectors with the same "
4820 FromType = FPExtType;
4834 "only enums with fixed underlying type can promote to bool");
4865 llvm_unreachable(
"Improper element standard conversion");
4869 switch (SCS.
Third) {
4892 CK = CK_AddressSpaceConversion;
4897 CK = CK_AddressSpaceConversion;
4903 << InitialFromType << ToType;
4914 ? diag::ext_deprecated_string_literal_conversion
4915 : diag::warn_deprecated_string_literal_conversion)
4923 llvm_unreachable(
"Improper third standard conversion");
4928 if (!ToAtomicType.
isNull()) {
4974 default: llvm_unreachable(
"not a UTT");
4976 case UTT_IsCompleteType:
4984 case UTT_IsIntegral:
4985 case UTT_IsFloatingPoint:
4987 case UTT_IsBoundedArray:
4989 case UTT_IsNullPointer:
4990 case UTT_IsReferenceable:
4991 case UTT_IsLvalueReference:
4992 case UTT_IsRvalueReference:
4993 case UTT_IsMemberFunctionPointer:
4994 case UTT_IsMemberObjectPointer:
4996 case UTT_IsScopedEnum:
4999 case UTT_IsFunction:
5000 case UTT_IsReference:
5001 case UTT_IsArithmetic:
5002 case UTT_IsFundamental:
5005 case UTT_IsCompound:
5006 case UTT_IsMemberPointer:
5015 case UTT_IsVolatile:
5017 case UTT_IsUnboundedArray:
5018 case UTT_IsUnsigned:
5021 case UTT_IsInterfaceClass:
5027 case UTT_IsPolymorphic:
5028 case UTT_IsAbstract:
5032 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5041 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5045 case UTT_IsAggregate:
5050 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5055 case UTT_IsTriviallyCopyable:
5056 case UTT_IsStandardLayout:
5061 case UTT_IsTriviallyRelocatable:
5062 case UTT_IsTriviallyEqualityComparable:
5063 case UTT_CanPassInRegs:
5067 case UTT_HasNothrowAssign:
5068 case UTT_HasNothrowMoveAssign:
5069 case UTT_HasNothrowConstructor:
5070 case UTT_HasNothrowCopy:
5071 case UTT_HasTrivialAssign:
5072 case UTT_HasTrivialMoveAssign:
5073 case UTT_HasTrivialDefaultConstructor:
5074 case UTT_HasTrivialMoveConstructor:
5075 case UTT_HasTrivialCopy:
5076 case UTT_HasTrivialDestructor:
5077 case UTT_HasVirtualDestructor:
5083 case UTT_IsDestructible:
5084 case UTT_IsNothrowDestructible:
5085 case UTT_IsTriviallyDestructible:
5086 case UTT_HasUniqueObjectRepresentations:
5091 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5102 if ((RD->*HasTrivial)() && !(RD->*HasNonTrivial)())
5108 if (
Self.LookupQualifiedName(Res, RD)) {
5109 bool FoundOperator =
false;
5112 Op != OpEnd; ++Op) {
5113 if (isa<FunctionTemplateDecl>(*Op))
5117 if((Operator->*IsDesiredOp)()) {
5118 FoundOperator =
true;
5120 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5125 return FoundOperator;
5132 assert(!T->
isDependentType() &&
"Cannot evaluate traits of dependent type");
5136 default: llvm_unreachable(
"not a UTT");
5141 case UTT_IsIntegral:
5143 case UTT_IsFloatingPoint:
5147 case UTT_IsBoundedArray:
5152 Self.Diag(KeyLoc, diag::err_vla_unsupported)
5153 << 1 << tok::kw___is_bounded_array;
5155 case UTT_IsUnboundedArray:
5160 Self.Diag(KeyLoc, diag::err_vla_unsupported)
5161 << 1 << tok::kw___is_unbounded_array;
5165 case UTT_IsNullPointer:
5167 case UTT_IsLvalueReference:
5169 case UTT_IsRvalueReference:
5171 case UTT_IsMemberFunctionPointer:
5173 case UTT_IsMemberObjectPointer:
5177 case UTT_IsScopedEnum:
5183 case UTT_IsFunction:
5188 case UTT_IsReference:
5190 case UTT_IsArithmetic:
5192 case UTT_IsFundamental:
5215 case UTT_IsCompound:
5217 case UTT_IsMemberPointer:
5224 case UTT_IsVolatile:
5228 case UTT_IsTriviallyCopyable:
5230 case UTT_IsStandardLayout:
5240 case UTT_IsPolymorphic:
5244 case UTT_IsAbstract:
5248 case UTT_IsAggregate:
5257 case UTT_IsInterfaceClass:
5262 return RD->
hasAttr<FinalAttr>();
5269 case UTT_IsUnsigned:
5288 case UTT_HasTrivialDefaultConstructor:
5295 if (
CXXRecordDecl *RD =
C.getBaseElementType(T)->getAsCXXRecordDecl())
5299 case UTT_HasTrivialMoveConstructor:
5305 if (
CXXRecordDecl *RD =
C.getBaseElementType(T)->getAsCXXRecordDecl())
5308 case UTT_HasTrivialCopy:
5320 case UTT_HasTrivialMoveAssign:
5326 if (
CXXRecordDecl *RD =
C.getBaseElementType(T)->getAsCXXRecordDecl())
5329 case UTT_HasTrivialAssign:
5350 case UTT_IsDestructible:
5351 case UTT_IsTriviallyDestructible:
5352 case UTT_IsNothrowDestructible:
5378 if (
auto *RD =
C.getBaseElementType(T)->getAsCXXRecordDecl()) {
5385 if (Destructor->isDeleted())
5387 if (
C.getLangOpts().AccessControl && Destructor->getAccess() !=
AS_public)
5389 if (UTT == UTT_IsNothrowDestructible) {
5391 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5398 case UTT_HasTrivialDestructor:
5413 if (
CXXRecordDecl *RD =
C.getBaseElementType(T)->getAsCXXRecordDecl())
5417 case UTT_HasNothrowAssign:
5425 if (
C.getBaseElementType(T).isConstQualified())
5438 case UTT_HasNothrowMoveAssign:
5451 case UTT_HasNothrowCopy:
5464 bool FoundConstructor =
false;
5466 for (
const auto *ND :
Self.LookupConstructors(RD)) {
5470 if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl()))
5473 if (isa<UsingDecl>(ND))
5475 auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl());
5476 if (Constructor->isCopyConstructor(FoundTQs)) {
5477 FoundConstructor =
true;
5479 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5489 return FoundConstructor;
5492 case UTT_HasNothrowConstructor:
5500 if (
CXXRecordDecl *RD =
C.getBaseElementType(T)->getAsCXXRecordDecl()) {
5505 bool FoundConstructor =
false;
5506 for (
const auto *ND :
Self.LookupConstructors(RD)) {
5508 if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl()))
5511 if (isa<UsingDecl>(ND))
5513 auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl());
5514 if (Constructor->isDefaultConstructor()) {
5515 FoundConstructor =
true;
5517 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5526 return FoundConstructor;
5529 case UTT_HasVirtualDestructor:
5535 return Destructor->isVirtual();
5541 case UTT_IsCompleteType:
5546 case UTT_HasUniqueObjectRepresentations:
5547 return C.hasUniqueObjectRepresentations(T);
5548 case UTT_IsTriviallyRelocatable:
5550 case UTT_IsReferenceable:
5552 case UTT_CanPassInRegs:
5555 Self.Diag(KeyLoc, diag::err_builtin_pass_in_regs_non_class) << T;
5557 case UTT_IsTriviallyEqualityComparable:
5578 if (Kind <=
BTT_Last && Kind != BTT_ReferenceBindsToTemporary && Kind != BTT_ReferenceConstructsFromTemporary)
5580 Args[1]->getType(), RParenLoc);
5583 case clang::BTT_ReferenceBindsToTemporary:
5584 case clang::BTT_ReferenceConstructsFromTemporary:
5585 case clang::TT_IsConstructible:
5586 case clang::TT_IsNothrowConstructible:
5587 case clang::TT_IsTriviallyConstructible: {
5601 assert(!Args.empty());
5606 for (
const auto *TSI : Args) {
5612 diag::err_incomplete_type_used_in_type_trait_expr))
5626 llvm::BumpPtrAllocator OpaqueExprAllocator;
5628 ArgExprs.reserve(Args.size() - 1);
5629 for (
unsigned I = 1, N = Args.size(); I != N; ++I) {
5630 QualType ArgTy = Args[I]->getType();
5658 if (Kind == clang::TT_IsConstructible)
5661 if (Kind == clang::BTT_ReferenceBindsToTemporary || Kind == clang::BTT_ReferenceConstructsFromTemporary) {
5665 if (!
Init.isDirectReferenceBinding())
5668 if (Kind == clang::BTT_ReferenceBindsToTemporary)
5672 if (
U->isReferenceType())
5680 if (Kind == clang::TT_IsNothrowConstructible)
5683 if (Kind == clang::TT_IsTriviallyConstructible) {
5694 llvm_unreachable(
"unhandled type trait");
5697 default: llvm_unreachable(
"not a TT");
5708 case UTT_HasNothrowAssign:
5709 case UTT_HasNothrowMoveAssign:
5710 Replacement = BTT_IsNothrowAssignable;
5712 case UTT_HasNothrowCopy:
5713 case UTT_HasNothrowConstructor:
5714 Replacement = TT_IsNothrowConstructible;
5716 case UTT_HasTrivialAssign:
5717 case UTT_HasTrivialMoveAssign:
5718 Replacement = BTT_IsTriviallyAssignable;
5720 case UTT_HasTrivialCopy:
5721 Replacement = UTT_IsTriviallyCopyable;
5723 case UTT_HasTrivialDefaultConstructor:
5724 case UTT_HasTrivialMoveConstructor:
5725 Replacement = TT_IsTriviallyConstructible;
5727 case UTT_HasTrivialDestructor:
5728 Replacement = UTT_IsTriviallyDestructible;
5733 S.
Diag(KWLoc, diag::warn_deprecated_builtin)
5739 if (Arity && N != Arity) {
5740 Diag(Loc, diag::err_type_trait_arity)
5741 << Arity << 0 << (Arity > 1) << (
int)N <<
SourceRange(Loc);
5745 if (!Arity && N == 0) {
5746 Diag(Loc, diag::err_type_trait_arity)
5758 return TypeTraitReturnType::Bool;
5768 *
this, Kind, KWLoc, Args[0]->getType()))
5771 DiagnoseBuiltinDeprecation(*
this, Kind, KWLoc);
5773 bool Dependent =
false;
5774 for (
unsigned I = 0, N = Args.size(); I != N; ++I) {
5775 if (Args[I]->getType()->isDependentType()) {
5782 case TypeTraitReturnType::Bool: {
5786 KWLoc, Kind, Args, RParenLoc,
Result);
5789 llvm_unreachable(
"unhandled type trait return type");
5796 ConvertedArgs.reserve(Args.size());
5798 for (
unsigned I = 0, N = Args.size(); I != N; ++I) {
5804 ConvertedArgs.push_back(TInfo);
5813 "Cannot evaluate traits of dependent types");
5816 case BTT_IsBaseOf: {
5824 if (!rhsRecord || !lhsRecord) {
5827 if (!LHSObjTy || !RHSObjTy)
5832 if (!BaseInterface || !DerivedInterface)
5835 if (
Self.RequireCompleteType(
5836 KeyLoc, RhsT, diag::err_incomplete_type_used_in_type_trait_expr))
5842 assert(
Self.Context.hasSameUnqualifiedType(LhsT, RhsT)
5843 == (lhsRecord == rhsRecord));
5849 if (rhsRecord && rhsRecord->getDecl()->isUnion())
5852 if (lhsRecord == rhsRecord)
5859 if (
Self.RequireCompleteType(KeyLoc, RhsT,
5860 diag::err_incomplete_type_used_in_type_trait_expr))
5863 return cast<CXXRecordDecl>(rhsRecord->getDecl())
5864 ->isDerivedFrom(cast<CXXRecordDecl>(lhsRecord->
getDecl()));
5867 return Self.Context.hasSameType(LhsT, RhsT);
5868 case BTT_TypeCompatible: {
5871 QualType Lhs =
Self.getASTContext().getUnqualifiedArrayType(LhsT, LhsQuals);
5872 QualType Rhs =
Self.getASTContext().getUnqualifiedArrayType(RhsT, RhsQuals);
5873 return Self.Context.typesAreCompatible(Lhs, Rhs);
5875 case BTT_IsConvertible:
5876 case BTT_IsConvertibleTo:
5877 case BTT_IsNothrowConvertible: {
5912 if (!
Self.isCompleteType(KeyLoc, RhsT) ||
Self.isAbstractType(KeyLoc, RhsT))
5917 LhsT =
Self.Context.getRValueReferenceType(LhsT);
5923 Expr *FromPtr = &From;
5941 if (BTT != BTT_IsNothrowConvertible)
5947 case BTT_IsAssignable:
5948 case BTT_IsNothrowAssignable:
5949 case BTT_IsTriviallyAssignable: {
5962 Self.RequireCompleteType(KeyLoc, LhsT,
5963 diag::err_incomplete_type_used_in_type_trait_expr))
5966 Self.RequireCompleteType(KeyLoc, RhsT,
5967 diag::err_incomplete_type_used_in_type_trait_expr))
5977 LhsT =
Self.Context.getRValueReferenceType(LhsT);
5979 RhsT =
Self.Context.getRValueReferenceType(RhsT);
5997 Self.CheckUnusedVolatileAssignment(
Result.get());
6002 if (BTT == BTT_IsAssignable)
6005 if (BTT == BTT_IsNothrowAssignable)
6008 if (BTT == BTT_IsTriviallyAssignable) {
6014 return !
Result.get()->hasNonTrivialCall(
Self.Context);
6017 llvm_unreachable(
"unhandled type trait");
6020 case BTT_IsLayoutCompatible: {
6021 return Self.IsLayoutCompatible(LhsT, RhsT);
6023 default: llvm_unreachable(
"not a BTT");
6025 llvm_unreachable(
"Unknown type trait or not implemented");
6044 assert(!T->
isDependentType() &&
"Cannot evaluate traits of dependent type");
6050 while (
const ArrayType *AT =
Self.Context.getAsArrayType(T)) {
6052 T = AT->getElementType();
6058 case ATT_ArrayExtent: {
6061 if (
Self.VerifyIntegerConstantExpression(
6062 DimExpr, &
Value, diag::err_dimension_expr_not_constant_integer)
6065 if (
Value.isSigned() &&
Value.isNegative()) {
6066 Self.Diag(KeyLoc, diag::err_dimension_expr_not_constant_integer)
6070 Dim =
Value.getLimitedValue();
6074 bool Matched =
false;
6075 while (
const ArrayType *AT =
Self.Context.getAsArrayType(T)) {
6081 T = AT->getElementType();
6086 return CAT->getSize().getLimitedValue();
6092 llvm_unreachable(
"Unknown type trait or not implemented");
6132 case ET_IsLValueExpr:
return E->
isLValue();
6133 case ET_IsRValueExpr:
6136 llvm_unreachable(
"Expression trait not covered by switch");
6162 "placeholders should have been weeded out by now");
6177 const char *OpSpelling = isIndirect ?
"->*" :
".*";
6185 Diag(Loc, diag::err_bad_memptr_rhs)
6207 Diag(Loc, diag::err_bad_memptr_lhs)
6208 << OpSpelling << 1 << LHSType
6217 OpSpelling, (
int)isIndirect)) {
6222 Diag(Loc, diag::err_bad_memptr_lhs) << OpSpelling
6229 LHSType,
Class, Loc,
6246 Diag(Loc, diag::err_pointer_to_member_type) << isIndirect;
6265 switch (Proto->getRefQualifier()) {
6274 if (Proto->isConst() && !Proto->isVolatile())
6276 ? diag::warn_cxx17_compat_pointer_to_const_ref_member_on_rvalue
6277 : diag::ext_pointer_to_const_ref_member_on_rvalue);
6279 Diag(Loc, diag::err_pointer_to_member_oper_value_classify)
6286 Diag(Loc, diag::err_pointer_to_member_oper_value_classify)
6299 if (
Result->isFunctionType()) {
6302 }
else if (isIndirect) {
6320 bool &HaveConversion,
6322 HaveConversion =
false;
6339 QualType T =
Self.Context.getReferenceQualifiedType(To);
6345 HaveConversion =
true;
6360 bool FDerivedFromT = FRec && TRec && FRec != TRec &&
6361 Self.IsDerivedFrom(QuestionLoc, FTy, TTy);
6362 if (FRec && TRec && (FRec == TRec || FDerivedFromT ||
6363 Self.IsDerivedFrom(QuestionLoc, TTy, FTy))) {
6367 if (FRec == TRec || FDerivedFromT) {
6372 HaveConversion =
true;
6395 HaveConversion = !InitSeq.
Failed();
6413 Self.AddBuiltinOperatorCandidates(OO_Conditional, QuestionLoc, Args,
6421 LHS.
get(), Best->BuiltinParamTypes[0], Best->Conversions[0],
6428 RHS.
get(), Best->BuiltinParamTypes[1], Best->Conversions[1],
6434 Self.MarkFunctionReferenced(QuestionLoc, Best->Function);
6443 if (
Self.DiagnoseConditionalForNull(LHS.
get(), RHS.
get(), QuestionLoc))
6446 Self.Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands)
6452 Self.Diag(QuestionLoc, diag::err_conditional_ambiguous_ovl)
6460 llvm_unreachable(
"Conditional operator has only built-in overloads");
6489 assert(!EltTy->
isEnumeralType() &&
"Vectors cant be enum types");
6499 assert(!EltTy->
isEnumeralType() &&
"Vectors cant be enum types");
6511 QualType CondElementTy = CondVT->getElementType();
6512 unsigned CondElementCount = CondVT->getNumElements();
6521 if (LHSVT && RHSVT) {
6522 if (isa<ExtVectorType>(CondVT) != isa<ExtVectorType>(LHSVT)) {
6523 Diag(QuestionLoc, diag::err_conditional_vector_cond_result_mismatch)
6524 << isa<ExtVectorType>(CondVT);
6530 Diag(QuestionLoc, diag::err_conditional_vector_mismatched)
6531 << LHSType << RHSType;
6535 }
else if (LHSVT || RHSVT) {
6537 LHS, RHS, QuestionLoc,
false,
true,
6541 if (ResultType.isNull())
6554 Diag(QuestionLoc, diag::err_conditional_vector_operand_type)
6569 assert(!ResultType.isNull() && ResultType->isVectorType() &&
6571 "Result should have been a vector type");
6572 auto *ResultVectorTy = ResultType->castAs<
VectorType>();
6573 QualType ResultElementTy = ResultVectorTy->getElementType();
6574 unsigned ResultElementCount = ResultVectorTy->getNumElements();
6576 if (ResultElementCount != CondElementCount) {
6577 Diag(QuestionLoc, diag::err_conditional_vector_size) << CondType
6584 Diag(QuestionLoc, diag::err_conditional_vector_element_size) << CondType
6602 llvm::ElementCount CondElementCount =
6614 if (LHSBT && RHSBT) {
6617 Diag(QuestionLoc, diag::err_conditional_vector_mismatched)
6618 << LHSType << RHSType;
6621 ResultType = LHSType;
6622 }
else if (LHSBT || RHSBT) {
6625 if (ResultType.isNull())
6634 ResultElementTy = LHSType;
6640 Diag(QuestionLoc, diag::err_conditional_vector_operand_type)
6646 ResultElementTy, CondElementCount.getKnownMinValue());
6652 assert(!ResultType.isNull() && ResultType->isSveVLSBuiltinType() &&
6653 "Result should have been a vector type");
6654 auto *ResultBuiltinTy = ResultType->castAs<
BuiltinType>();
6656 llvm::ElementCount ResultElementCount =
6659 if (ResultElementCount != CondElementCount) {
6660 Diag(QuestionLoc, diag::err_conditional_vector_size)
6661 << CondType << ResultType;
6667 Diag(QuestionLoc, diag::err_conditional_vector_element_size)
6668 << CondType << ResultType;
6705 bool IsVectorConditional =
6708 bool IsSizelessVectorConditional =
6715 ExprResult CondRes = IsVectorConditional || IsSizelessVectorConditional
6741 if (LVoid || RVoid) {
6750 if (IsVectorConditional) {
6753 bool IsThrow = LVoid ? LThrow : RThrow;
6754 Diag(DiagLoc.
getBegin(), diag::err_conditional_vector_has_void)
6755 << DiagLoc << IsThrow;
6759 if (LThrow != RThrow) {
6760 Expr *NonThrow = LThrow ? RHS.
get() : LHS.
get();
6774 Diag(QuestionLoc, diag::err_conditional_void_nonvoid)
6775 << (LVoid ? RTy : LTy) << (LVoid ? 0 : 1)
6781 if (IsVectorConditional)
6784 if (IsSizelessVectorConditional)
6789 Diag(QuestionLoc, diag::err_wasm_table_conditional_expression)
6802 bool HaveL2R, HaveR2L;
6809 if (HaveL2R && HaveR2L) {
6810 Diag(QuestionLoc, diag::err_conditional_ambiguous)
6822 }
else if (HaveR2L) {
6846 ReferenceConversions::Qualification |
6847 ReferenceConversions::NestedQualification |
6848 ReferenceConversions::Function;
6853 !(RefConv & ~AllowedConversions) &&
6861 !(RefConv & ~AllowedConversions) &&
6877 if (Same && LVK == RVK && LVK !=
VK_PRValue &&
6951 diag::err_typecheck_cond_incompatible_operands) << LTy << RTy
6989 Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands)
7020 bool T2IsPointerLike = T2->isAnyPointerType() || T2->isMemberPointerType() ||
7021 T2->isNullPtrType();
7022 if (!T1IsPointerLike && !T2IsPointerLike)
7030 if (T1IsPointerLike &&
7034 ? CK_NullToMemberPointer
7035 : CK_NullToPointer).
get();
7038 if (T2IsPointerLike &&
7042 ? CK_NullToMemberPointer
7043 : CK_NullToPointer).
get();
7048 if (!T1IsPointerLike || !T2IsPointerLike)
7051 "nullptr_t should be a null pointer constant");
7054 enum Kind {
Pointer, ObjCPointer, MemberPointer, Array } K;
7059 const Type *ClassOrBound;
7061 Step(Kind K,
const Type *ClassOrBound =
nullptr)
7062 : K(K), ClassOrBound(ClassOrBound) {}
7073 if (
auto *CAT = cast_or_null<ConstantArrayType>(ClassOrBound))
7075 ArraySizeModifier::Normal, 0);
7079 llvm_unreachable(
"unknown step kind");
7101 unsigned NeedConstBefore = 0;
7110 if (!Steps.empty()) {
7120 }
else if (Steps.size() == 1) {
7123 if (MaybeQ1 == MaybeQ2) {
7142 assert(Steps.size() == 1);
7150 assert(Steps.size() == 1);
7154 Steps.back().Quals = Quals;
7155 if (Q1 != Quals || Q2 != Quals)
7156 NeedConstBefore = Steps.size() - 1;
7164 auto *CAT1 = dyn_cast<ConstantArrayType>(Arr1);
7165 auto *CAT2 = dyn_cast<ConstantArrayType>(Arr2);
7166 if (CAT1 && CAT2 && CAT1->getSize() == CAT2->getSize()) {
7169 Steps.emplace_back(Step::Array, CAT1);
7172 bool IAT1 = isa<IncompleteArrayType>(Arr1);
7173 bool IAT2 = isa<IncompleteArrayType>(Arr2);
7174 if ((IAT1 && IAT2) ||
7176 ((
bool)CAT1 != (
bool)CAT2) &&
7177 (Steps.empty() || Steps.back().K != Step::Array))) {
7183 Steps.emplace_back(Step::Array);
7185 NeedConstBefore = Steps.size();
7195 Steps.emplace_back(Step::Pointer);
7204 Steps.emplace_back(Step::ObjCPointer);
7228 else if (Steps.empty())
7234 Steps.emplace_back(Step::MemberPointer,
Class);
7246 Steps.emplace_back(Step::Pointer);
7284 if (Steps.size() == 1) {
7303 FPT1->getParamTypes(), EPI1);
7305 FPT2->getParamTypes(), EPI2);
7311 if (Steps.size() == 1 && Steps.front().K == Step::Pointer &&
7317 Composite2 = Composite1;
7319 Composite1 = Composite2;
7328 Composite1 = Composite2;
7330 Composite2 = Composite1;
7340 for (
unsigned I = 0; I != NeedConstBefore; ++I)
7341 Steps[I].Quals.addConst();
7345 for (
auto &S : llvm::reverse(Steps))
7346 Composite = S.rebuild(
Context, Composite);
7367 E1 = E1Result.
get();
7372 E2 = E2Result.
get();
7382 assert(!isa<CXXBindTemporaryExpr>(E) &&
"Double-bound temporary?");
7393 bool ReturnsRetained;
7398 Expr *Callee =
Call->getCallee()->IgnoreParens();
7404 T = BinOp->getRHS()->getType();
7405 else if (
MemberExpr *Mem = dyn_cast<MemberExpr>(Callee))
7406 T = Mem->getMemberDecl()->getType();
7421 }
else if (isa<StmtExpr>(E)) {
7422 ReturnsRetained =
true;
7426 }
else if (isa<CastExpr>(E) &&
7427 isa<BlockExpr>(cast<CastExpr>(E)->getSubExpr())) {
7436 D = Send->getMethodDecl();
7437 }
else if (
ObjCBoxedExpr *BoxedExpr = dyn_cast<ObjCBoxedExpr>(E)) {
7438 D = BoxedExpr->getBoxingMethod();
7442 if (ArrayLit->getNumElements() == 0 &&
7446 D = ArrayLit->getArrayWithObjectsMethod();
7448 = dyn_cast<ObjCDictionaryLiteral>(E)) {
7451 if (DictLit->getNumElements() == 0 &&
7455 D = DictLit->getDictWithObjectsMethod();
7458 ReturnsRetained = (D && D->
hasAttr<NSReturnsRetainedAttr>());
7463 if (!ReturnsRetained &&
7474 CastKind ck = (ReturnsRetained ? CK_ARCConsumeObject
7475 : CK_ARCReclaimReturnedObject);
7493 RT = cast<RecordType>(T);
7495 case Type::ConstantArray:
7496 case Type::IncompleteArray:
7497 case Type::VariableArray:
7498 case Type::DependentSizedArray:
7499 T = cast<ArrayType>(T)->getElementType().getTypePtr();
7519 PDiag(diag::err_access_dtor_temp)
7525 if (Destructor->isTrivial())
7550 assert(SubExpr &&
"subexpression can't be null!");
7572 assert(SubStmt &&
"sub-statement can't be null!");
7599 "not in a decltype expression");
7616 if (
ParenExpr *PE = dyn_cast<ParenExpr>(E)) {
7620 if (SubExpr.
get() == PE->getSubExpr())
7625 if (BO->getOpcode() == BO_Comma) {
7629 if (RHS.
get() == BO->getRHS())
7632 BO->
getType(), BO->getValueKind(),
7633 BO->getObjectKind(), BO->getOperatorLoc(),
7634 BO->getFPFeatures());
7661 for (
unsigned I = 0, N =
ExprEvalContexts.back().DelayedDecltypeCalls.size();
7664 if (
Call == TopCall)
7674 for (
unsigned I = 0, N =
ExprEvalContexts.back().DelayedDecltypeBinds.size();
7678 if (
Bind == TopBind)
7684 Bind->getType()->getBaseElementTypeUnsafe()->getAsCXXRecordDecl();
7690 PDiag(diag::err_access_dtor_temp)
7691 <<
Bind->getType());
7706 unsigned SkipStart = OperatorArrows.size(), SkipCount = 0;
7709 if (OperatorArrows.size() > Limit) {
7711 SkipStart = (Limit - 1) / 2 + (Limit - 1) % 2;
7712 SkipCount = OperatorArrows.size() - (Limit - 1);
7715 for (
unsigned I = 0; I < OperatorArrows.size(); ) {
7716 if (I == SkipStart) {
7717 S.
Diag(OperatorArrows[I]->getLocation(),
7718 diag::note_operator_arrows_suppressed)
7722 S.
Diag(OperatorArrows[I]->getLocation(), diag::note_operator_arrow_here)
7723 << OperatorArrows[I]->getCallResultType();
7733 bool &MayBePseudoDestructor) {
7744 MayBePseudoDestructor =
false;
7749 if (OpKind == tok::arrow)
7754 MayBePseudoDestructor =
true;
7761 if (OpKind == tok::arrow) {
7763 bool NoArrowOperatorFound =
false;
7764 bool FirstIteration =
true;
7772 if (OperatorArrows.size() >=
getLangOpts().ArrowDepth) {
7773 Diag(OpLoc, diag::err_operator_arrow_depth_exceeded)
7774 << StartingType <<
getLangOpts().ArrowDepth <<
Base->getSourceRange();
7776 Diag(OpLoc, diag::note_operator_arrow_depth)
7789 : &NoArrowOperatorFound);
7790 if (
Result.isInvalid()) {
7791 if (NoArrowOperatorFound) {
7792 if (FirstIteration) {
7793 Diag(OpLoc, diag::err_typecheck_member_reference_suggestion)
7794 << BaseType << 1 <<
Base->getSourceRange()
7796 OpKind = tok::period;
7799 Diag(OpLoc, diag::err_typecheck_member_reference_arrow)
7800 << BaseType <<
Base->getSourceRange();
7804 diag::note_member_reference_arrow_from_operator_arrow);
7811 OperatorArrows.push_back(OpCall->getDirectCallee());
7812 BaseType =
Base->getType();
7814 if (!CTypes.insert(CBaseType).second) {
7815 Diag(OpLoc, diag::err_operator_arrow_circular) << StartingType;
7819 FirstIteration =
false;
7822 if (OpKind == tok::arrow) {
7826 BaseType = AT->getElementType();
7848 MayBePseudoDestructor =
true;
7860 diag::err_incomplete_member_access)) {
7875 if (
Base->hasPlaceholderType()) {
7880 ObjectType =
Base->getType();
7888 if (OpKind == tok::arrow) {
7898 ObjectType =
Base->getType();
7903 }
else if (!
Base->isTypeDependent()) {
7905 S.
Diag(OpLoc, diag::err_typecheck_member_reference_suggestion)
7906 << ObjectType <<
true
7911 OpKind = tok::period;
7953 Diag(OpLoc, diag::ext_pseudo_dtor_on_void) <<
Base->getSourceRange();
7955 Diag(OpLoc, diag::err_pseudo_dtor_base_not_scalar)
7956 << ObjectType <<
Base->getSourceRange();
7964 if (DestructedTypeInfo) {
7977 Diag(OpLoc, diag::err_typecheck_member_reference_suggestion)
7978 << ObjectType << 0 <<
Base->getSourceRange();
7982 *
this, DestructedType))
7987 ObjectType = DestructedType;
7988 OpKind = tok::arrow;
7990 Diag(DestructedTypeStart, diag::err_pseudo_dtor_type_mismatch)
7991 << ObjectType << DestructedType <<
Base->getSourceRange()
7995 DestructedType = ObjectType;
7996 DestructedTypeInfo =
8007 Diag(DestructedTypeStart, diag::err_arc_pseudo_dtor_inconstant_quals)
8008 << ObjectType << DestructedType <<
Base->getSourceRange()
8013 DestructedType = ObjectType;
8015 DestructedTypeStart);
8028 if (ScopeTypeInfo) {
8030 if (!ScopeType->isDependentType() && !ObjectType->
isDependentType() &&
8034 diag::err_pseudo_dtor_type_mismatch)
8035 << ObjectType << ScopeType <<
Base->getSourceRange()
8039 ScopeTypeInfo =
nullptr;
8045 OpKind == tok::arrow, OpLoc,
8065 "Invalid first type name in pseudo-destructor");
8068 "Invalid second type name in pseudo-destructor");
8092 S, &SS,
true,
false, ObjectTypePtrForLookup,
8105 diag::err_pseudo_dtor_destructor_non_type)
8111 DestructedType = ObjectType;
8131 DestructedType = ObjectType;
8138 if (!DestructedType.
isNull()) {
8139 if (!DestructedTypeInfo)
8153 S, &SS,
true,
false, ObjectTypePtrForLookup,
8157 diag::err_pseudo_dtor_destructor_non_type)
8190 if (!ScopeType.isNull() && !ScopeTypeInfo)
8196 ScopeTypeInfo, CCLoc, TildeLoc,
8227 cast<PackIndexingType>(T.
getTypePtr())->getPattern(),
8234 llvm_unreachable(
"Unsupported type in pseudo destructor");
8260 Operand->HasSideEffects(
Context,
false)) {
8263 Diag(Operand->getExprLoc(), diag::warn_side_effects_unevaluated_context);
8279 bool IsCompoundAssign =
false;
8280 bool isIncrementDecrementUnaryOp =
false;
8282 if (BO->getLHS()->getType()->isDependentType() ||
8283 BO->getRHS()->getType()->isDependentType()) {
8284 if (BO->getOpcode() != BO_Assign)
8286 }
else if (!BO->isAssignmentOp())
8289 IsCompoundAssign = BO->isCompoundAssignmentOp();
8290 LHS = dyn_cast<DeclRefExpr>(BO->getLHS());
8292 if (COCE->getOperator() != OO_Equal)
8294 LHS = dyn_cast<DeclRefExpr>(COCE->getArg(0));
8295 }
else if (
UnaryOperator *UO = dyn_cast<UnaryOperator>(E)) {
8296 if (!UO->isIncrementDecrementOp())
8298 isIncrementDecrementUnaryOp =
true;
8299 LHS = dyn_cast<DeclRefExpr>(UO->getSubExpr());
8309 if ((IsCompoundAssign || isIncrementDecrementUnaryOp) &&
8315 iter->getSecond()--;
8380 if (!T->getDecl()->isComplete()) {
8394 diag::err_incomplete_type);
8420 if (isa<ParmVarDecl>(Var))
return true;
8421 const VarDecl *DefVD =
nullptr;
8455 while (DC && isa<CapturedDecl>(DC))
8459 "The current call operator must be synchronized with Sema's CurContext");
8480 !IsFullExprInstantiationDependent)
8489 if (
const std::optional<unsigned> Index =
8493 const bool IsVarNeverAConstantExpression =
8495 if (!IsFullExprInstantiationDependent || IsVarNeverAConstantExpression) {
8507 DeclRefType,
nullptr)) {
8513 DeclRefType,
nullptr);
8522 if (
const std::optional<unsigned> Index =
8525 const unsigned FunctionScopeIndexOfCapturableLambda = *Index;
8528 &FunctionScopeIndexOfCapturableLambda);
8540 Consumer.getLookupResult().getLookupKind());
8553 if (ND->isCXXClassMember()) {
8557 Record = NNS->getAsType()->getAsCXXRecordDecl();
8560 dyn_cast<CXXRecordDecl>(ND->getDeclContext()->getRedeclContext());
8566 bool MightBeImplicitMember;
8567 if (!
Consumer.isAddressOfOperand())
8568 MightBeImplicitMember =
true;
8570 MightBeImplicitMember =
false;
8572 MightBeImplicitMember =
false;
8574 MightBeImplicitMember =
true;
8576 MightBeImplicitMember = isa<FieldDecl>(ND) ||
8577 isa<IndirectFieldDecl>(ND) ||
8578 isa<MSPropertyDecl>(ND);
8580 if (MightBeImplicitMember)
8584 }
else if (
auto *Ivar = dyn_cast<ObjCIvarDecl>(ND)) {
8586 Ivar->getIdentifier());
8600 : TypoExprs(TypoExprs) {}
8602 TypoExprs.insert(TE);
8607class TransformTypos :
public TreeTransform<TransformTypos> {
8614 llvm::SmallDenseMap<TypoExpr *, ExprResult, 2> TransformCache;
8615 llvm::SmallDenseMap<OverloadExpr *, Expr *, 4> OverloadResolution;
8627 void EmitAllDiagnostics(
bool IsAmbiguous) {
8629 auto &State = SemaRef.getTypoExprState(TE);
8630 if (State.DiagHandler) {
8641 Replacement.isInvalid() ?
nullptr : Replacement.get()))
8644 State.DiagHandler(TC);
8646 SemaRef.clearDelayedTypo(TE);
8664 bool CheckAndAdvanceTypoExprCorrectionStreams() {
8665 for (
auto *TE : TypoExprs) {
8666 auto &State = SemaRef.getTypoExprState(TE);
8667 TransformCache.erase(TE);
8668 if (!State.Consumer->hasMadeAnyCorrectionProgress())
8670 if (!State.Consumer->finished())
8672 State.Consumer->resetCorrectionStream();
8678 if (
auto *OE = dyn_cast_or_null<OverloadExpr>(E))
8679 E = OverloadResolution[OE];
8683 if (
auto *DRE = dyn_cast<DeclRefExpr>(E))
8684 return DRE->getFoundDecl();
8685 if (
auto *ME = dyn_cast<MemberExpr>(E))
8696 if (Trap.hasErrorOccurred() || Res.
isInvalid())
8699 return ExprFilter(Res.
get());
8713 auto SavedTypoExprs = std::move(TypoExprs);
8714 auto SavedAmbiguousTypoExprs = std::move(AmbiguousTypoExprs);
8716 AmbiguousTypoExprs.clear();
8718 FindTypoExprs(TypoExprs).TraverseStmt(FixedExpr);
8719 if (!TypoExprs.empty()) {
8723 RecursiveTransformLoop(FixedExpr, IsAmbiguous);
8731 auto &SemaTypoExprs = SemaRef.TypoExprs;
8732 for (
auto *TE : TypoExprs) {
8733 TransformCache.erase(TE);
8734 SemaRef.clearDelayedTypo(TE);
8736 auto SI = find(SemaTypoExprs, TE);
8737 if (SI != SemaTypoExprs.end()) {
8738 SemaTypoExprs.erase(SI);
8745 SavedTypoExprs.set_union(TypoExprs);
8749 TypoExprs = std::move(SavedTypoExprs);
8750 AmbiguousTypoExprs = std::move(SavedAmbiguousTypoExprs);
8762 auto SavedTypoExprs = std::move(SemaRef.TypoExprs);
8763 SemaRef.TypoExprs.clear();
8766 Res = CheckForRecursiveTypos(TryTransform(E), IsAmbiguous);
8780 if (!CheckAndAdvanceTypoExprCorrectionStreams())
8785 if (!IsAmbiguous && !Res.
isInvalid() && !AmbiguousTypoExprs.empty()) {
8786 auto SavedTransformCache =
8787 llvm::SmallDenseMap<TypoExpr *, ExprResult, 2>(TransformCache);
8791 while (!AmbiguousTypoExprs.empty()) {
8792 auto TE = AmbiguousTypoExprs.back();
8796 SemaRef.getTypoExprState(TE).Consumer->saveCurrentPosition();
8798 TypoCorrection TC = SemaRef.getTypoExprState(TE).Consumer->peekNextCorrection();
8804 TransformCache.erase(TE);
8805 ExprResult AmbigRes = CheckForRecursiveTypos(TryTransform(E), IsAmbiguous);
8807 if (!AmbigRes.
isInvalid() || IsAmbiguous) {
8808 SemaRef.getTypoExprState(TE).Consumer->resetCorrectionStream();
8809 SavedTransformCache.erase(TE);
8814 }
while ((Next = SemaRef.getTypoExprState(TE).Consumer->peekNextCorrection()) &&
8820 AmbiguousTypoExprs.remove(TE);
8821 SemaRef.getTypoExprState(TE).Consumer->restoreSavedPosition();
8822 TransformCache[TE] = SavedTransformCache[TE];
8824 TransformCache = std::move(SavedTransformCache);
8831 auto &SemaTypoExprs = SemaRef.TypoExprs;
8832 for (
auto Iterator = SemaTypoExprs.begin(); Iterator != SemaTypoExprs.end();) {
8833 auto TE = *Iterator;
8834 auto FI = find(TypoExprs, TE);
8835 if (FI != TypoExprs.end()) {
8839 SemaRef.clearDelayedTypo(TE);
8840 Iterator = SemaTypoExprs.erase(Iterator);
8842 SemaRef.TypoExprs = std::move(SavedTypoExprs);
8849 : BaseTransform(SemaRef), InitDecl(InitDecl), ExprFilter(
Filter) {}
8854 Expr *ExecConfig =
nullptr) {
8855 auto Result = BaseTransform::RebuildCallExpr(Callee, LParenLoc, Args,
8856 RParenLoc, ExecConfig);
8857 if (
auto *OE = dyn_cast<OverloadExpr>(Callee)) {
8858 if (Result.isUsable()) {
8859 Expr *ResultCall = Result.get();
8860 if (
auto *BE = dyn_cast<CXXBindTemporaryExpr>(ResultCall))
8861 ResultCall = BE->getSubExpr();
8862 if (
auto *CE = dyn_cast<CallExpr>(ResultCall))
8863 OverloadResolution[OE] = CE->getCallee();
8874 bool IsAmbiguous =
false;
8875 ExprResult Res = RecursiveTransformLoop(E, IsAmbiguous);
8878 FindTypoExprs(TypoExprs).TraverseStmt(E);
8880 EmitAllDiagnostics(IsAmbiguous);
8889 auto &CacheEntry = TransformCache[E];
8890 if (!TypoExprs.insert(E) && !CacheEntry.isUnset()) {
8895 assert(State.Consumer &&
"Cannot transform a cleared TypoExpr");
8899 while (
TypoCorrection TC = State.Consumer->getNextCorrection()) {
8905 State.RecoveryHandler(SemaRef, E, TC) :
8907 if (!
NE.isInvalid()) {
8912 if ((Next = State.Consumer->peekNextCorrection()) &&
8914 AmbiguousTypoExprs.insert(E);
8916 AmbiguousTypoExprs.remove(E);
8918 assert(!
NE.isUnset() &&
8919 "Typo was transformed into a valid-but-null ExprResult");
8920 return CacheEntry =
NE;
8930 bool RecoverUncorrectedTypos,
8938 auto TyposResolved = DelayedTypos.size();
8939 auto Result = TransformTypos(*
this, InitDecl, Filter).Transform(E);
8940 TyposResolved -= DelayedTypos.size();
8943 if (
Result.isInvalid() && RecoverUncorrectedTypos) {
8951 return TT.TransformExpr(E);
8955 assert(TyposResolved == 0 &&
"Corrected typo but got same Expr back?");
8961 bool DiscardedValue,
bool IsConstexpr,
8962 bool IsTemplateArgument) {
8971 if (DiscardedValue) {
8996 CheckCompletedExpr(
FullExpr.get(), CC, IsConstexpr);
9045 while (DC && isa<CapturedDecl>(DC))
9048 if (IsInLambdaDeclContext && CurrentLSI &&
9093 llvm_unreachable(
"Invalid LookupResult Kind!");
9122 "Exactly one of TypeName and TemplateId must be specified.");
9190 E,
false, NoexceptLoc,
9218 auto *Param = cast<TemplateTypeParmDecl>(TPL->
getParam(0));
9223 assert(TC &&
"Type Constraint cannot be null here");
9225 assert(IDC &&
"ImmediatelyDeclaredConstraint can't be null here.");
9230 [&](llvm::raw_ostream &
OS) {
9231 IDC->printPretty(OS, nullptr,
9232 getPrintingPolicy());
9234 IsSimple, NoexceptLoc, ReturnTypeRequirement);
9236 SubstitutedConstraintExpr =
9237 cast<ConceptSpecializationExpr>(Constraint.
get());
9242 ReturnTypeRequirement, Status,
9243 SubstitutedConstraintExpr);
9252 IsSimple, NoexceptLoc,
9253 ReturnTypeRequirement);
9286 InvalidConstraintEntity,
9302 if (Param->hasDefaultArg())
9306 Diag(Param->getDefaultArgRange().getBegin(),
9307 diag::err_requires_expr_local_parameter_default_argument);
9310 Param->setDeclContext(Body);
9312 if (Param->getIdentifier()) {
9321 assert(
CurContext &&
"DeclContext imbalance!");
9323 assert(
CurContext &&
"Popped translation unit!");
9332 LocalParameters, RParenLoc, Requirements,
Defines the clang::ASTContext interface.
This file provides some common utility functions for processing Lambda related AST Constructs.
Defines a function that returns the minimum OS versions supporting C++17's aligned allocation functio...
static bool CanThrow(Expr *E, ASTContext &Ctx)
static CanQualType GetReturnType(QualType RetTy)
Returns the "extra-canonicalized" return type, which discards qualifiers on the return type.
static const char * getPlatformName(Darwin::DarwinPlatformKind Platform, Darwin::DarwinEnvironmentKind Environment)
Defines the clang::Expr interface and subclasses for C++ expressions.
Defines Expressions and AST nodes for C++2a concepts.
llvm::MachO::Record Record
Implements a partial diagnostic that can be emitted anwyhere in a DiagnosticBuilder stream.
Defines the clang::Preprocessor interface.
static std::string toString(const clang::SanitizerSet &Sanitizers)
Produce a string containing comma-separated names of sanitizers in Sanitizers set.
static void collectPublicBases(CXXRecordDecl *RD, llvm::DenseMap< CXXRecordDecl *, unsigned > &SubobjectsSeen, llvm::SmallPtrSetImpl< CXXRecordDecl * > &VBases, llvm::SetVector< CXXRecordDecl * > &PublicSubobjectsSeen, bool ParentIsPublic)
static bool ConvertForConditional(Sema &Self, ExprResult &E, QualType T)
Perform an "extended" implicit conversion as returned by TryClassUnification.
static void MaybeDecrementCount(Expr *E, llvm::DenseMap< const VarDecl *, int > &RefsMinusAssignments)
static ExprResult attemptRecovery(Sema &SemaRef, const TypoCorrectionConsumer &Consumer, const TypoCorrection &TC)
static void DiagnoseMismatchedNewDelete(Sema &SemaRef, SourceLocation DeleteLoc, const MismatchingNewDeleteDetector &Detector)
static void getUnambiguousPublicSubobjects(CXXRecordDecl *RD, llvm::SmallVectorImpl< CXXRecordDecl * > &Objects)
static bool isLegalArrayNewInitializer(CXXNewInitializationStyle Style, Expr *Init, bool IsCPlusPlus20)
static void CheckIfAnyEnclosingLambdasMustCaptureAnyPotentialCaptures(Expr *const FE, LambdaScopeInfo *const CurrentLSI, Sema &S)
Check if the current lambda has any potential captures that must be captured by any of its enclosing ...
static void getUuidAttrOfType(Sema &SemaRef, QualType QT, llvm::SmallSetVector< const UuidAttr *, 1 > &UuidAttrs)
Grabs __declspec(uuid()) off a type, or returns 0 if we cannot resolve to a single GUID.
static bool resolveAllocationOverload(Sema &S, LookupResult &R, SourceRange Range, SmallVectorImpl< Expr * > &Args, bool &PassAlignment, FunctionDecl *&Operator, OverloadCandidateSet *AlignedCandidates, Expr *AlignArg, bool Diagnose)
static QualType adjustCVQualifiersForCXXThisWithinLambda(ArrayRef< FunctionScopeInfo * > FunctionScopes, QualType ThisTy, DeclContext *CurSemaContext, ASTContext &ASTCtx)
static bool FindConditionalOverload(Sema &Self, ExprResult &LHS, ExprResult &RHS, SourceLocation QuestionLoc)
Try to find a common type for two according to C++0x 5.16p5.
static bool TryClassUnification(Sema &Self, Expr *From, Expr *To, SourceLocation QuestionLoc, bool &HaveConversion, QualType &ToType)
Try to convert a type to another according to C++11 5.16p3.
static bool HasNoThrowOperator(const RecordType *RT, OverloadedOperatorKind Op, Sema &Self, SourceLocation KeyLoc, ASTContext &C, bool(CXXRecordDecl::*HasTrivial)() const, bool(CXXRecordDecl::*HasNonTrivial)() const, bool(CXXMethodDecl::*IsDesiredOp)() const)
static bool EvaluateExpressionTrait(ExpressionTrait ET, Expr *E)
static UsualDeallocFnInfo resolveDeallocationOverload(Sema &S, LookupResult &R, bool WantSize, bool WantAlign, llvm::SmallVectorImpl< UsualDeallocFnInfo > *BestFns=nullptr)
Select the correct "usual" deallocation function to use from a selection of deallocation functions (e...
static bool hasNewExtendedAlignment(Sema &S, QualType AllocType)
Determine whether a type has new-extended alignment.
static ExprResult BuildCXXCastArgument(Sema &S, SourceLocation CastLoc, QualType Ty, CastKind Kind, CXXMethodDecl *Method, DeclAccessPair FoundDecl, bool HadMultipleCandidates, Expr *From)
static bool VariableCanNeverBeAConstantExpression(VarDecl *Var, ASTContext &Context)
static bool canRecoverDotPseudoDestructorCallsOnPointerObjects(Sema &SemaRef, QualType DestructedType)
Check if it's ok to try and recover dot pseudo destructor calls on pointer objects.
static bool CheckArrow(Sema &S, QualType &ObjectType, Expr *&Base, tok::TokenKind &OpKind, SourceLocation OpLoc)
static bool resolveBuiltinNewDeleteOverload(Sema &S, CallExpr *TheCall, bool IsDelete, FunctionDecl *&Operator)
static bool doesUsualArrayDeleteWantSize(Sema &S, SourceLocation loc, QualType allocType)
Determine whether a given type is a class for which 'delete[]' would call a member 'operator delete[]...
static uint64_t EvaluateArrayTypeTrait(Sema &Self, ArrayTypeTrait ATT, QualType T, Expr *DimExpr, SourceLocation KeyLoc)
static bool isValidVectorForConditionalCondition(ASTContext &Ctx, QualType CondTy)
static bool CheckUnaryTypeTraitTypeCompleteness(Sema &S, TypeTrait UTT, SourceLocation Loc, QualType ArgTy)
Check the completeness of a type in a unary type trait.
static bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait UTT, SourceLocation KeyLoc, QualType T)
static void noteOperatorArrows(Sema &S, ArrayRef< FunctionDecl * > OperatorArrows)
Note a set of 'operator->' functions that were used for a member access.
static bool isValidSizelessVectorForConditionalCondition(ASTContext &Ctx, QualType CondTy)
static bool EvaluateBinaryTypeTrait(Sema &Self, TypeTrait BTT, QualType LhsT, QualType RhsT, SourceLocation KeyLoc)
static void buildLambdaThisCaptureFixit(Sema &Sema, LambdaScopeInfo *LSI)
static bool EvaluateBooleanTypeTrait(Sema &S, TypeTrait Kind, SourceLocation KWLoc, ArrayRef< TypeSourceInfo * > Args, SourceLocation RParenLoc, bool IsDependent)
static bool isNonPlacementDeallocationFunction(Sema &S, FunctionDecl *FD)
Determine whether the given function is a non-placement deallocation function.
static NamedDecl * getDeclFromExpr(Expr *E)
This file provides some common utility functions for processing Lambdas.
Defines the clang::TokenKind enum and support functions.
Defines the clang::TypeLoc interface and its subclasses.
Defines enumerations for the type traits support.
C Language Family Type Representation.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
MSGuidDecl * getMSGuidDecl(MSGuidDeclParts Parts) const
Return a declaration for the global GUID object representing the given GUID value.
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
const ConstantArrayType * getAsConstantArrayType(QualType T) const
CharUnits getTypeAlignInChars(QualType T) const
Return the ABI-specified alignment of a (complete) type T, in characters.
QualType getRValueReferenceType(QualType T) const
Return the uniqued reference to the type for an rvalue reference to the specified type.
unsigned getIntWidth(QualType T) const
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 ...
DeclarationNameTable DeclarationNames
QualType getRecordType(const RecordDecl *Decl) const
QualType getScalableVectorType(QualType EltTy, unsigned NumElts, unsigned NumFields=1) const
Return the unique reference to a scalable vector type of the specified element type and scalable numb...
CanQualType getCanonicalType(QualType T) const
Return the canonical (structural) type corresponding to the specified potentially non-canonical type ...
bool hasSameType(QualType T1, QualType T2) const
Determine whether the given types T1 and T2 are equivalent.
QualType getVectorType(QualType VectorType, unsigned NumElts, VectorKind VecKind) const
Return the unique reference to a vector type of the specified element type and size.
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.
QualType getMSGuidType() const
Retrieve the implicitly-predeclared 'struct _GUID' type.
QualType getReferenceQualifiedType(const Expr *e) const
getReferenceQualifiedType - Given an expr, will return the type for that expression,...
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 getBaseElementType(const ArrayType *VAT) const
Return the innermost element type of an array type.
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>.
CanQualType BoundMemberTy
QualType removeAddrSpaceQualType(QualType T) const
Remove any existing address space on the type and returns the type with qualifiers intact (or that's ...
QualType getQualifiedType(SplitQualType split) const
Un-split a SplitQualType.
QualType getElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, QualType NamedType, TagDecl *OwnedTagDecl=nullptr) const
CharUnits getExnObjectAlignment() const
Return the alignment (in bytes) of the thrown exception object.
QualType getUnqualifiedArrayType(QualType T, Qualifiers &Quals)
Return this type as a completely-unqualified array type, capturing the qualifiers in Quals.
QualType getObjCObjectPointerType(QualType OIT) const
Return a ObjCObjectPointerType type for the given ObjCObjectType.
QualType getObjCIdType() const
Represents the Objective-CC id type.
bool hasSameUnqualifiedType(QualType T1, QualType T2) const
Determine whether the given types are equivalent after cvr-qualifiers have been removed.
FunctionProtoType::ExceptionSpecInfo mergeExceptionSpecs(FunctionProtoType::ExceptionSpecInfo ESI1, FunctionProtoType::ExceptionSpecInfo ESI2, SmallVectorImpl< QualType > &ExceptionTypeStorage, bool AcceptDependent)
const ArrayType * getAsArrayType(QualType T) const
Type Query functions.
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
CharUnits getTypeSizeInChars(QualType T) const
Return the size of the specified (complete) type T, in characters.
QualType getExceptionObjectType(QualType T) const
QualType getCommonSugaredType(QualType X, QualType Y, bool Unqualified=false)
QualType getArrayDecayedType(QualType T) const
Return the properly qualified result of decaying the specified array type to a pointer.
unsigned getTypeAlignIfKnown(QualType T, bool NeedsPreferredAlignment=false) const
Return the alignment of a type, in bits, or 0 if the type is incomplete and we cannot determine the a...
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
void addCopyConstructorForExceptionObject(CXXRecordDecl *RD, CXXConstructorDecl *CD)
QualType getCVRQualifiedType(QualType T, unsigned CVR) const
Return a type with additional const, volatile, or restrict qualifiers.
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 getLifetimeQualifiedType(QualType type, Qualifiers::ObjCLifetime lifetime)
Return a type with the given lifetime qualifier.
bool typesAreCompatible(QualType T1, QualType T2, bool CompareUnqualified=false)
Compatibility predicates used to check assignment expressions.
QualType getAddrSpaceQualType(QualType T, LangAS AddressSpace) const
Return the uniqued reference to the type for an address space qualified type with the specified type ...
QualType getWideCharType() const
Return the type of wide characters.
QualType getLogicalOperationType() const
The result type of logical operations, '<', '>', '!=', etc.
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.
unsigned getTypeAlign(QualType T) const
Return the ABI-specified alignment of a (complete) type T, in bits.
uint64_t getCharWidth() const
Return the size of the character type, in bits.
An Embarcadero array type trait, as used in the implementation of __array_rank and __array_extent.
Represents an array type, per C99 6.7.5.2 - Array Declarators.
QualType getElementType() const
QualType getValueType() const
Gets the type contained by this atomic type, i.e.
Attr - This represents one attribute.
Represents a C++11 auto or C++14 decltype(auto) type, possibly constrained by a type-constraint.
A builtin binary operation expression such as "x + y" or "x <= y".
static BinaryOperator * Create(const ASTContext &C, Expr *lhs, Expr *rhs, Opcode opc, QualType ResTy, ExprValueKind VK, ExprObjectKind OK, SourceLocation opLoc, FPOptionsOverride FPFeatures)
BlockExpr - Adaptor class for mixing a BlockDecl with expressions.
This class is used for builtin types like 'int'.
Represents a base class of a C++ class.
Represents binding an expression to a temporary.
static CXXBindTemporaryExpr * Create(const ASTContext &C, CXXTemporary *Temp, Expr *SubExpr)
const Expr * getSubExpr() const
A boolean literal, per ([C++ lex.bool] Boolean literals).
Represents a call to a C++ constructor.
Represents a C++ constructor within a class.
Represents a C++ conversion function within a class.
Represents a C++ base or member initializer.
FieldDecl * getMember() const
If this is a member initializer, returns the declaration of the non-static data member being initiali...
Expr * getInit() const
Get the initializer.
Represents a delete expression for memory deallocation and destructor calls, e.g.
SourceLocation getBeginLoc() const
Represents a C++ destructor within a class.
static CXXFunctionalCastExpr * Create(const ASTContext &Context, QualType T, ExprValueKind VK, TypeSourceInfo *Written, CastKind Kind, Expr *Op, const CXXCastPath *Path, FPOptionsOverride FPO, SourceLocation LPLoc, SourceLocation RPLoc)
Represents a static or instance method of a struct/union/class.
bool isUsualDeallocationFunction(SmallVectorImpl< const FunctionDecl * > &PreventedBy) const
Determine whether this is a usual deallocation function (C++ [basic.stc.dynamic.deallocation]p2),...
const CXXRecordDecl * getParent() const
Return the parent of this method declaration, which is the class in which this method is defined.
bool isMoveAssignmentOperator() const
Determine whether this is a move assignment operator.
QualType getFunctionObjectParameterType() const
bool isCopyAssignmentOperator() const
Determine whether this is a copy-assignment operator, regardless of whether it was declared implicitl...
Represents a new-expression for memory allocation and constructor calls, e.g: "new CXXNewExpr(foo)".
static CXXNewExpr * Create(const ASTContext &Ctx, bool IsGlobalNew, FunctionDecl *OperatorNew, FunctionDecl *OperatorDelete, bool ShouldPassAlignment, bool UsualArrayDeleteWantsSize, ArrayRef< Expr * > PlacementArgs, SourceRange TypeIdParens, std::optional< Expr * > ArraySize, CXXNewInitializationStyle InitializationStyle, Expr *Initializer, QualType Ty, TypeSourceInfo *AllocatedTypeInfo, SourceRange Range, SourceRange DirectInitRange)
Create a c++ new expression.
Represents a C++11 noexcept expression (C++ [expr.unary.noexcept]).
The null pointer literal (C++11 [lex.nullptr])
A call to an overloaded operator written using operator syntax.
Represents a C++ pseudo-destructor (C++ [expr.pseudo]).
Represents a C++ struct/union/class.
bool hasTrivialMoveAssignment() const
Determine whether this class has a trivial move assignment operator (C++11 [class....
bool hasNonTrivialCopyAssignment() const
Determine whether this class has a non-trivial copy assignment operator (C++ [class....
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)
bool hasTrivialMoveConstructor() const
Determine whether this class has a trivial move constructor (C++11 [class.copy]p12)
bool hasTrivialCopyConstructor() const
Determine whether this class has a trivial copy constructor (C++ [class.copy]p6, C++11 [class....
bool isPolymorphic() const
Whether this class is polymorphic (C++ [class.virtual]), which means that the class contains or inher...
static CXXRecordDecl * Create(const ASTContext &C, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, IdentifierInfo *Id, CXXRecordDecl *PrevDecl=nullptr, bool DelayTypeCreation=false)
bool hasTrivialCopyAssignment() const
Determine whether this class has a trivial copy assignment operator (C++ [class.copy]p11,...
capture_const_range captures() const
bool isAbstract() const
Determine whether this class has a pure virtual function.
bool hasIrrelevantDestructor() const
Determine whether this class has a destructor which has no semantic effect.
bool hasNonTrivialMoveConstructor() const
Determine whether this class has a non-trivial move constructor (C++11 [class.copy]p12)
bool hasDefinition() const
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.
bool hasNonTrivialMoveAssignment() const
Determine whether this class has a non-trivial move assignment operator (C++11 [class....
bool hasNonTrivialDefaultConstructor() const
Determine whether this class has a non-trivial default constructor (C++11 [class.ctor]p5).
bool hasNonTrivialCopyConstructor() const
Determine whether this class has a non-trivial copy constructor (C++ [class.copy]p6,...
CXXMethodDecl * getLambdaCallOperator() const
Retrieve the lambda call operator of the closure type if this is a closure type.
An expression "T()" which creates a value-initialized rvalue of type T, which is a non-class type.
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.
char * location_data() const
Retrieve the data associated with the source-location information.
bool isValid() const
A scope specifier is present, and it refers to a real scope.
void MakeTrivial(ASTContext &Context, NestedNameSpecifier *Qualifier, SourceRange R)
Make a new nested-name-specifier from incomplete source-location information.
SourceLocation getLastQualifierNameLoc() const
Retrieve the location of the name in the last qualifier in this nested name specifier.
SourceLocation getEndLoc() const
SourceRange getRange() const
bool isSet() const
Deprecated.
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.
bool isEmpty() const
No scope specifier.
void Adopt(NestedNameSpecifierLoc Other)
Adopt an existing nested-name-specifier (with source-range information).
Represents a C++ temporary.
void setDestructor(const CXXDestructorDecl *Dtor)
static CXXTemporary * Create(const ASTContext &C, const CXXDestructorDecl *Destructor)
Represents the this expression in C++.
static CXXThisExpr * Create(const ASTContext &Ctx, SourceLocation L, QualType Ty, bool IsImplicit)
A C++ throw-expression (C++ [except.throw]).
A C++ typeid expression (C++ [expr.typeid]), which gets the type_info that corresponds to the supplie...
static CXXUnresolvedConstructExpr * Create(const ASTContext &Context, QualType T, TypeSourceInfo *TSI, SourceLocation LParenLoc, ArrayRef< Expr * > Args, SourceLocation RParenLoc, bool IsListInit)
A Microsoft C++ __uuidof expression, which gets the _GUID that corresponds to the supplied type or ex...
CallExpr - Represents a function call (C99 6.5.2.2, C++ [expr.call]).
Expr * getArg(unsigned Arg)
getArg - Return the specified argument.
void setArg(unsigned Arg, Expr *ArgExpr)
setArg - Set the specified argument.
SourceLocation getBeginLoc() const LLVM_READONLY
unsigned getNumArgs() const
getNumArgs - Return the number of actual arguments to this call.
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 class template.
void setExprNeedsCleanups(bool SideEffects)
bool cleanupsHaveSideEffects() const
bool exprNeedsCleanups() const
Complex values, per C99 6.2.5p11.
CompoundStmt - This represents a group of statements like { stmt stmt }.
static CompoundStmt * Create(const ASTContext &C, ArrayRef< Stmt * > Stmts, FPOptionsOverride FPFeatures, SourceLocation LB, SourceLocation RB)
Represents the specialization of a concept - evaluates to a prvalue of type bool.
bool isSatisfied() const
Whether or not the concept with the given arguments was satisfied when the expression was created.
Represents the canonical version of C arrays with a specified constant size.
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...
The result of a constraint satisfaction check, containing the necessary information to diagnose an un...
A POD class for pairing a NamedDecl* with an access specifier.
static DeclAccessPair make(NamedDecl *D, AccessSpecifier AS)
The results of name lookup within a DeclContext.
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 isDependentContext() const
Determines whether this context is dependent on a template parameter.
DeclContext * getLexicalParent()
getLexicalParent - Returns the containing lexical DeclContext.
lookup_result lookup(DeclarationName Name) const
lookup - Find the declarations (if any) with the given Name in this context.
void addDecl(Decl *D)
Add the declaration D into this context.
A reference to a declared variable, function, enum, etc.
Captures information about "declaration specifiers".
bool hasAutoTypeSpec() const
Expr * getPackIndexingExpr() const
TST getTypeSpecType() const
SourceLocation getBeginLoc() const LLVM_READONLY
static const TST TST_typename_pack_indexing
ParsedType getRepAsType() const
SourceLocation getEllipsisLoc() const
Expr * getRepAsExpr() const
static const TST TST_decltype
SourceLocation getTypeSpecTypeLoc() const
static const TST TST_decltype_auto
static const TST TST_error
SourceRange getTypeofParensRange() const
Decl - This represents one declaration (or definition), e.g.
bool isImplicit() const
isImplicit - Indicates whether the declaration was implicitly generated by the implementation.
void setInvalidDecl(bool Invalid=true)
setInvalidDecl - Indicates the Decl had a semantic error.
bool isInvalidDecl() const
SourceLocation getLocation() const
void setLocalOwningModule(Module *M)
void setImplicit(bool I=true)
DeclContext * getDeclContext()
@ ReachableWhenImported
This declaration has an owning module, and is visible to lookups that occurs within that module.
void setModuleOwnershipKind(ModuleOwnershipKind MOK)
Set whether this declaration is hidden from name lookup.
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.
bool isDependentName() const
Determines whether the name itself is dependent, e.g., because it involves a C++ type that is itself ...
OverloadedOperatorKind getCXXOverloadedOperator() const
If this name is the name of an overloadable operator in C++ (e.g., operator+), retrieve the kind of o...
SourceLocation getBeginLoc() const LLVM_READONLY
Information about one declarator, including the parsed type information and the identifier.
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.
SourceLocation getEndLoc() const LLVM_READONLY
void DropFirstTypeObject()
unsigned getNumTypeObjects() const
Return the number of types applied to this declarator.
bool isInvalidType() const
SourceRange getSourceRange() const LLVM_READONLY
Get the source range that spans this declarator.
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...
A little helper class (which is basically a smart pointer that forwards info from DiagnosticsEngine) ...
DiagnosticOptions & getDiagnosticOptions() const
Retrieve the diagnostic options.
bool isIgnored(unsigned DiagID, SourceLocation Loc) const
Determine whether the diagnostic is known to be ignored.
RAII object that enters a new expression evaluation context.
static EnumDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, IdentifierInfo *Id, EnumDecl *PrevDecl, bool IsScoped, bool IsScopedUsingClassTag, bool IsFixed)
bool isFixed() const
Returns true if this is an Objective-C, C++11, or Microsoft-style enumeration with a fixed underlying...
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of enums.
EnumDecl * getDecl() const
static ExprWithCleanups * Create(const ASTContext &C, EmptyShell empty, unsigned numObjects)
This represents one expression.
bool isReadIfDiscardedInCPlusPlus11() const
Determine whether an lvalue-to-rvalue conversion should implicitly be applied to this expression if i...
bool isValueDependent() const
Determines whether the value of this expression depends on.
ExprValueKind getValueKind() const
getValueKind - The value kind that this expression produces.
bool refersToVectorElement() const
Returns whether this expression refers to a vector element.
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 isLValue() const
isLValue - True if this expression is an "l-value" according to the rules of the current language.
static bool hasAnyTypeDependentArguments(ArrayRef< Expr * > Exprs)
hasAnyTypeDependentArguments - Determines if any of the expressions in Exprs is type-dependent.
@ NPC_ValueDependentIsNull
Specifies that a value-dependent expression of integral or dependent type should be considered a null...
ExprObjectKind getObjectKind() const
getObjectKind - The object kind that this expression produces.
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.
NullPointerConstantKind isNullPointerConstant(ASTContext &Ctx, NullPointerConstantValueDependence NPC) const
isNullPointerConstant - C99 6.3.2.3p3 - Test if this reduces down to a Null pointer constant.
SourceLocation getExprLoc() const LLVM_READONLY
getExprLoc - Return the preferred location for the arrow when diagnosing a problem with a generic exp...
bool refersToBitField() const
Returns true if this expression is a gl-value that potentially refers to a bit-field.
Classification Classify(ASTContext &Ctx) const
Classify - Classify this expression according to the C++11 expression taxonomy.
bool isOrdinaryOrBitFieldObject() const
bool hasPlaceholderType() const
Returns whether this expression has a placeholder type.
static ExprValueKind getValueKindForType(QualType T)
getValueKindForType - Given a formal return or parameter type, give its value kind.
An expression trait intrinsic.
Represents difference between two FPOptions values.
Represents a member of a struct/union/class.
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.
FullExpr - Represents a "full-expression" node.
Represents a function declaration or definition.
const ParmVarDecl * getParamDecl(unsigned i) const
bool isFunctionTemplateSpecialization() const
Determine whether this function is a function template specialization.
bool isThisDeclarationADefinition() const
Returns whether this specific declaration of the function is also a definition that does not contain ...
QualType getReturnType() const
bool isTrivial() const
Whether this function is "trivial" in some specialized C++ senses.
bool isVariadic() const
Whether this function is variadic.
bool isDeleted() const
Whether this function has been deleted.
bool isReplaceableGlobalAllocationFunction(std::optional< unsigned > *AlignmentParam=nullptr, bool *IsNothrow=nullptr) const
Determines whether this function is one of the replaceable global allocation functions: void *operato...
static FunctionDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation NLoc, DeclarationName N, QualType T, TypeSourceInfo *TInfo, StorageClass SC, bool UsesFPIntrin=false, bool isInlineSpecified=false, bool hasWrittenPrototype=true, ConstexprSpecKind ConstexprKind=ConstexprSpecKind::Unspecified, Expr *TrailingRequiresClause=nullptr)
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
OverloadedOperatorKind getOverloadedOperator() const
getOverloadedOperator - Which C++ overloaded operator this function represents, if any.
unsigned getNumParams() const
Return the number of parameters this function must have based on its FunctionType.
size_t param_size() const
bool isDefined(const FunctionDecl *&Definition, bool CheckForPendingFriendDefinition=false) const
Returns true if the function has a definition that does not need to be instantiated.
Represents a prototype with parameter type info, e.g.
unsigned getNumParams() const
bool isVariadic() const
Whether this function prototype is variadic.
bool isNothrow(bool ResultIfDependent=false) const
Determine whether this function type has a non-throwing exception specification.
Declaration of a template function.
ExtInfo withNoReturn(bool noReturn) const
bool getProducesResult() const
FunctionType - C99 6.7.5.3 - Function Declarators.
ExtInfo getExtInfo() const
One of these records is kept for each identifier that is lexed.
ReservedIdentifierStatus isReserved(const LangOptions &LangOpts) const
Determine whether this is a name reserved for the implementation (C99 7.1.3, C++ [lib....
StringRef getName() const
Return the actual identifier string.
bool tryAddTopLevelDecl(NamedDecl *D, DeclarationName Name)
Try to add the given declaration to the top level scope, if it (or a redeclaration of it) hasn't alre...
IdentifierInfo & get(StringRef Name)
Return the identifier token info for the specified named identifier.
ImplicitCastExpr - Allows us to explicitly represent implicit type conversions, which have no direct ...
static ImplicitCastExpr * Create(const ASTContext &Context, QualType T, CastKind Kind, Expr *Operand, const CXXCastPath *BasePath, ExprValueKind Cat, FPOptionsOverride FPO)
ImplicitConversionSequence - Represents an implicit conversion sequence, which may be a standard conv...
@ StaticObjectArgumentConversion
StandardConversionSequence Standard
When ConversionKind == StandardConversion, provides the details of the standard conversion sequence.
UserDefinedConversionSequence UserDefined
When ConversionKind == UserDefinedConversion, provides the details of the user-defined conversion seq...
void DiagnoseAmbiguousConversion(Sema &S, SourceLocation CaretLoc, const PartialDiagnostic &PDiag) const
Diagnoses an ambiguous conversion.
Describes an C or C++ initializer list.
Describes the kind of initialization being performed, along with location information for tokens rela...
static InitializationKind CreateDefault(SourceLocation InitLoc)
Create a default initialization.
static InitializationKind CreateDirect(SourceLocation InitLoc, SourceLocation LParenLoc, SourceLocation RParenLoc)
Create a direct initialization.
static InitializationKind CreateCopy(SourceLocation InitLoc, SourceLocation EqualLoc, bool AllowExplicitConvs=false)
Create a copy initialization.
static InitializationKind CreateDirectList(SourceLocation InitLoc)
static InitializationKind CreateValue(SourceLocation InitLoc, SourceLocation LParenLoc, SourceLocation RParenLoc, bool isImplicit=false)
Create a value initialization.
Describes the sequence of initializations required to initialize a given object or reference with a s...
ExprResult Perform(Sema &S, const InitializedEntity &Entity, const InitializationKind &Kind, MultiExprArg Args, QualType *ResultType=nullptr)
Perform the actual initialization of the given entity based on the computed initialization sequence.
bool isAmbiguous() const
Determine whether this initialization failed due to an ambiguity.
bool Diagnose(Sema &S, const InitializedEntity &Entity, const InitializationKind &Kind, ArrayRef< Expr * > Args)
Diagnose an potentially-invalid initialization sequence.
bool Failed() const
Determine whether the initialization sequence is invalid.
bool isDirectReferenceBinding() const
Determine whether this initialization is a direct reference binding (C++ [dcl.init....
Describes an entity that is being initialized.
static InitializedEntity InitializeException(SourceLocation ThrowLoc, QualType Type)
Create the initialization entity for an exception object.
static InitializedEntity InitializeTemporary(QualType Type)
Create the initialization entity for a temporary.
static InitializedEntity InitializeNew(SourceLocation NewLoc, QualType Type)
Create the initialization entity for an object allocated via new.
static InitializedEntity InitializeParameter(ASTContext &Context, ParmVarDecl *Parm)
Create the initialization entity for a parameter.
static IntegerLiteral * Create(const ASTContext &C, const llvm::APInt &V, QualType type, SourceLocation l)
Returns a new integer literal with value 'V' and type 'type'.
A C++ lambda expression, which produces a function object (of unspecified type) that can be invoked l...
clang::ObjCRuntime ObjCRuntime
bool hasGlobalAllocationFunctionVisibility() const
bool allowsNonTrivialObjCLifetimeQualifiers() const
True if any ObjC types may have non-trivial lifetime qualifiers.
bool hasHiddenGlobalAllocationFunctionVisibility() const
bool hasProtectedGlobalAllocationFunctionVisibility() const
static SourceLocation findLocationAfterToken(SourceLocation loc, tok::TokenKind TKind, const SourceManager &SM, const LangOptions &LangOpts, bool SkipTrailingWhitespaceAndNewLine)
Checks that the given token is the first token that occurs after the given location (this excludes co...
A class for iterating through a result set and possibly filtering out results.
void erase()
Erase the last element returned from this iterator.
Represents the results of name lookup.
@ FoundOverloaded
Name lookup found a set of overloaded functions that met the criteria.
@ FoundUnresolvedValue
Name lookup found an unresolvable value declaration and cannot yet complete.
@ Ambiguous
Name lookup results in an ambiguity; use getAmbiguityKind to figure out what kind of ambiguity we hav...
@ NotFound
No entity found met the criteria.
@ NotFoundInCurrentInstantiation
No entity found met the criteria within the current instantiation,, but there were dependent base cla...
@ Found
Name lookup found a single declaration that met the criteria.
LLVM_ATTRIBUTE_REINITIALIZES void clear()
Clears out any current state.
bool isUnresolvableResult() const
DeclClass * getAsSingle() const
void addDecl(NamedDecl *D)
Add a declaration to these results with its natural access.
void setLookupName(DeclarationName Name)
Sets the name to look up.
bool empty() const
Return true if no decls were found.
bool isOverloadedResult() const
Determines if the results are overloaded.
SourceLocation getNameLoc() const
Gets the location of the identifier.
Filter makeFilter()
Create a filter for this result set.
CXXRecordDecl * getNamingClass() const
Returns the 'naming class' for this lookup, i.e.
bool isClassLookup() const
Returns whether these results arose from performing a lookup into a class.
void setNamingClass(CXXRecordDecl *Record)
Sets the 'naming class' for this lookup.
LookupResultKind getResultKind() const
void suppressDiagnostics()
Suppress the diagnostics that would normally fire because of this lookup.
DeclarationName getLookupName() const
Gets the name to look up.
MemberExpr - [C99 6.5.2.3] Structure and Union Members.
ValueDecl * getMemberDecl() const
Retrieve the member declaration to which this expression refers.
DeclAccessPair getFoundDecl() const
Retrieves the declaration found by lookup.
A pointer to member type per C++ 8.3.3 - Pointers to members.
QualType getPointeeType() const
const Type * getClass() const
Data structure that captures multiple levels of template argument lists for use in template instantia...
void addOuterRetainedLevels(unsigned Num)
This represents a decl that may have a name.
NamedDecl * getUnderlyingDecl()
Looks through UsingDecls and ObjCCompatibleAliasDecls for the underlying named decl.
IdentifierInfo * getIdentifier() const
Get the identifier that names this declaration, if there is one.
DeclarationName getDeclName() const
Get the actual, stored name of the declaration, which may be a special name.
std::string getNameAsString() const
Get a human-readable name for the declaration, even if it is one of the special kinds of names (C++ c...
A C++ nested-name-specifier augmented with source location information.
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.
ObjCArrayLiteral - used for objective-c array containers; as in: @["Hello", NSApp,...
ObjCBoxedExpr - used for generalized expression boxing.
ObjCDictionaryLiteral - AST node to represent objective-c dictionary literals; as in:"name" : NSUserN...
Represents an ObjC class declaration.
bool isSuperClassOf(const ObjCInterfaceDecl *I) const
isSuperClassOf - Return true if this class is the specified class or is a super class of the specifie...
An expression that sends a message to the given Objective-C object or class.
ObjCMethodDecl - Represents an instance or class method declaration.
ObjCMethodFamily getMethodFamily() const
Determines the family of this method.
Represents a pointer to an Objective C object.
QualType getPointeeType() const
Gets the type pointed to by this ObjC pointer.
Represents a class type in Objective C.
ObjCInterfaceDecl * getInterface() const
Gets the interface declaration for this object type, if the base type really is an interface.
bool hasEmptyCollections() const
Are the empty collection symbols available?
static OpaquePtr getFromOpaquePtr(void *P)
static OpaquePtr make(QualType P)
OpaqueValueExpr - An expression referring to an opaque object of a fixed type and value class.
OverloadCandidateSet - A set of overload candidates, used in C++ overload resolution (C++ 13....
@ CSK_Normal
Normal lookup.
@ CSK_Operator
C++ [over.match.oper]: Lookup of operator function candidates in a call using operator syntax.
SmallVectorImpl< OverloadCandidate >::iterator iterator
void NoteCandidates(PartialDiagnosticAt PA, Sema &S, OverloadCandidateDisplayKind OCD, ArrayRef< Expr * > Args, StringRef Opc="", SourceLocation Loc=SourceLocation(), llvm::function_ref< bool(OverloadCandidate &)> Filter=[](OverloadCandidate &) { return true;})
When overload resolution fails, prints diagnostic messages containing the candidates in the candidate...
OverloadingResult BestViableFunction(Sema &S, SourceLocation Loc, OverloadCandidateSet::iterator &Best)
Find the best viable function on this overload set, if it exists.
SmallVector< OverloadCandidate *, 32 > CompleteCandidates(Sema &S, OverloadCandidateDisplayKind OCD, ArrayRef< Expr * > Args, SourceLocation OpLoc=SourceLocation(), llvm::function_ref< bool(OverloadCandidate &)> Filter=[](OverloadCandidate &) { return true;})
void setEllipsisLoc(SourceLocation Loc)
ParenExpr - This represents a parethesized expression, e.g.
Represents a parameter to a function.
static ParmVarDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, StorageClass S, Expr *DefArg)
PointerType - C99 6.7.5.1 - Pointer Declarators.
QualType getPointeeType() const
SourceManager & getSourceManager() const
IdentifierTable & getIdentifierTable()
const LangOptions & getLangOpts() const
Stores the type being destroyed by a pseudo-destructor expression.
TypeSourceInfo * getTypeSourceInfo() const
A (possibly-)qualified type.
bool isVolatileQualified() const
Determine whether this type is volatile-qualified.
bool isTriviallyCopyableType(const ASTContext &Context) const
Return true if this is a trivially copyable type (C++0x [basic.types]p9)
bool hasQualifiers() const
Determine whether this type has any qualifiers.
QualType getNonLValueExprType(const ASTContext &Context) const
Determine the type of a (typically non-lvalue) expression with the specified result type.
QualType withConst() const
void addConst()
Add the const type qualifier to this QualType.
bool isAtLeastAsQualifiedAs(QualType Other) const
Determine whether this type is at least as qualified as the other given type, requiring exact equalit...
bool isTrivialType(const ASTContext &Context) const
Return true if this is a trivial type per (C++0x [basic.types]p9)
bool isNull() const
Return true if this QualType doesn't point to a type yet.
bool isTriviallyRelocatableType(const ASTContext &Context) const
Return true if this is a trivially relocatable type.
const Type * getTypePtr() const
Retrieves a pointer to the underlying (unqualified) type.
LangAS getAddressSpace() const
Return the address space of this type.
Qualifiers getQualifiers() const
Retrieve the set of qualifiers applied to this type.
Qualifiers::ObjCLifetime getObjCLifetime() const
Returns lifetime attribute of this type.
void getAsStringInternal(std::string &Str, const PrintingPolicy &Policy) const
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...
QualType getCanonicalType() const
QualType getUnqualifiedType() const
Retrieve the unqualified variant of the given type, removing as little sugar as possible.
bool isTriviallyEqualityComparableType(const ASTContext &Context) const
Return true if this is a trivially equality comparable type.
bool isWebAssemblyReferenceType() const
Returns true if it is a WebAssembly Reference Type.
bool isConstQualified() const
Determine whether this type is const-qualified.
DestructionKind isDestructedType() const
Returns a nonzero value if objects of this type require non-trivial work to clean up after.
unsigned getCVRQualifiers() const
Retrieve the set of CVR (const-volatile-restrict) qualifiers applied to this type.
static std::string getAsString(SplitQualType split, const PrintingPolicy &Policy)
bool hasNonTrivialObjCLifetime() const
bool isPODType(const ASTContext &Context) const
Determine whether this is a Plain Old Data (POD) type (C++ 3.9p10).
The collection of all-type qualifiers we support.
void removeCVRQualifiers(unsigned mask)
@ 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.
bool hasCVRQualifiers() const
bool hasUnaligned() const
unsigned getAddressSpaceAttributePrintValue() const
Get the address space attribute value to be printed by diagnostics.
void setAddressSpace(LangAS space)
static bool isAddressSpaceSupersetOf(LangAS A, LangAS B)
Returns true if address space A is equal to or a superset of B.
unsigned getCVRUQualifiers() const
void setObjCGCAttr(GC type)
ObjCLifetime getObjCLifetime() const
static Qualifiers fromCVRUMask(unsigned CVRU)
LangAS getAddressSpace() const
void setObjCLifetime(ObjCLifetime type)
Represents a struct/union/class.
bool canPassInRegisters() const
Determine whether this class can be passed in registers.
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of structs/unions/cl...
RecordDecl * getDecl() const
A class that does preorder or postorder depth-first traversal on the entire Clang AST and visits each...
Represents the body of a requires-expression.
static RequiresExprBodyDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc)
static RequiresExpr * Create(ASTContext &C, SourceLocation RequiresKWLoc, RequiresExprBodyDecl *Body, SourceLocation LParenLoc, ArrayRef< ParmVarDecl * > LocalParameters, SourceLocation RParenLoc, ArrayRef< concepts::Requirement * > Requirements, SourceLocation RBraceLoc)
Scope - A scope is a transient data structure that is used while parsing the program.
@ BlockScope
This is a scope that corresponds to a block/closure object.
@ ClassScope
The scope of a struct/union/class definition.
@ TryScope
This is the scope of a C++ try statement.
@ FnScope
This indicates that the scope corresponds to a function, which means that labels are set here.
@ ObjCMethodScope
This scope corresponds to an Objective-C method body.
CXXThisScopeRAII(Sema &S, Decl *ContextDecl, Qualifiers CXXThisTypeQuals, bool Enabled=true)
Introduce a new scope where 'this' may be allowed (when enabled), using the given declaration (which ...
Abstract base class used to perform a contextual implicit conversion from an expression to any type p...
RAII class used to determine whether SFINAE has trapped any errors that occur during template argumen...
bool hasErrorOccurred() const
Determine whether any SFINAE errors have been trapped.
A generic diagnostic builder for errors which may or may not be deferred.
Sema - This implements semantic analysis and AST building for C.
FunctionDecl * FindUsualDeallocationFunction(SourceLocation StartLoc, bool CanProvideSize, bool Overaligned, DeclarationName Name)
void DeclareGlobalNewDelete()
DeclareGlobalNewDelete - Declare the global forms of operator new and delete.
QualType CheckSizelessVectorConditionalTypes(ExprResult &Cond, ExprResult &LHS, ExprResult &RHS, SourceLocation QuestionLoc)
ParsedType CreateParsedType(QualType T, TypeSourceInfo *TInfo)
Package the given type and TSI into a ParsedType.
ExprResult ActOnCXXTypeid(SourceLocation OpLoc, SourceLocation LParenLoc, bool isType, void *TyOrExpr, SourceLocation RParenLoc)
ActOnCXXTypeid - Parse typeid( something ).
QualType getCurrentThisType()
Try to retrieve the type of the 'this' pointer.
ExprResult ActOnCXXUuidof(SourceLocation OpLoc, SourceLocation LParenLoc, bool isType, void *TyOrExpr, SourceLocation RParenLoc)
ActOnCXXUuidof - Parse __uuidof( something ).
Scope * getCurScope() const
Retrieve the parser's current scope.
QualType FindCompositeObjCPointerType(ExprResult &LHS, ExprResult &RHS, SourceLocation QuestionLoc)
FindCompositeObjCPointerType - Helper method to find composite type of two objective-c pointer types ...
QualType CheckVectorConditionalTypes(ExprResult &Cond, ExprResult &LHS, ExprResult &RHS, SourceLocation QuestionLoc)
bool checkArrayElementAlignment(QualType EltTy, SourceLocation Loc)
ExprResult IgnoredValueConversions(Expr *E)
IgnoredValueConversions - Given that an expression's result is syntactically ignored,...
bool RequireCompleteSizedType(SourceLocation Loc, QualType T, unsigned DiagID, const Ts &...Args)
@ LookupOrdinaryName
Ordinary name lookup, which finds ordinary names (functions, variables, typedefs, etc....
@ LookupDestructorName
Look up a name following ~ in a destructor name.
@ LookupTagName
Tag name lookup, which finds the names of enums, classes, structs, and unions.
@ LookupAnyName
Look up any declaration with any name.
void DiagnoseSentinelCalls(const NamedDecl *D, SourceLocation Loc, ArrayRef< Expr * > Args)
DiagnoseSentinelCalls - This routine checks whether a call or message-send is to a declaration with t...
ExprResult ActOnNoexceptExpr(SourceLocation KeyLoc, SourceLocation LParen, Expr *Operand, SourceLocation RParen)
ParsedType getConstructorName(IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec &SS, bool EnteringContext)
bool BuildTypeConstraint(const CXXScopeSpec &SS, TemplateIdAnnotation *TypeConstraint, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc, bool AllowUnexpandedPack)
SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID, bool DeferHint=false)
Emit a diagnostic.
IfExistsResult
Describes the result of an "if-exists" condition check.
@ IER_DoesNotExist
The symbol does not exist.
@ IER_Dependent
The name is a dependent name, so the results will differ from one instantiation to the next.
@ IER_Error
An error occurred.
@ IER_Exists
The symbol exists.
QualType UsualArithmeticConversions(ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, ArithConvKind ACK)
UsualArithmeticConversions - Performs various conversions that are common to binary operators (C99 6....
concepts::Requirement * ActOnTypeRequirement(SourceLocation TypenameKWLoc, CXXScopeSpec &SS, SourceLocation NameLoc, IdentifierInfo *TypeName, TemplateIdAnnotation *TemplateId)
ExprResult ActOnExpressionTrait(ExpressionTrait OET, SourceLocation KWLoc, Expr *Queried, SourceLocation RParen)
ActOnExpressionTrait - Parsed one of the unary type trait support pseudo-functions.
bool CompleteConstructorCall(CXXConstructorDecl *Constructor, QualType DeclInitType, MultiExprArg ArgsPtr, SourceLocation Loc, SmallVectorImpl< Expr * > &ConvertedArgs, bool AllowExplicit=false, bool IsListInitialization=false)
Given a constructor and the set of arguments provided for the constructor, convert the arguments and ...
ExprResult CheckBooleanCondition(SourceLocation Loc, Expr *E, bool IsConstexpr=false)
CheckBooleanCondition - Diagnose problems involving the use of the given expression as a boolean cond...
@ Boolean
A boolean condition, from 'if', 'while', 'for', or 'do'.
@ Switch
An integral condition for a 'switch' statement.
@ ConstexprIf
A constant boolean condition from 'if constexpr'.
bool RequireCompleteDeclContext(CXXScopeSpec &SS, DeclContext *DC)
Require that the context specified by SS be complete.
SmallVector< sema::FunctionScopeInfo *, 4 > FunctionScopes
Stack containing information about each of the nested function, block, and method scopes that are cur...
bool CheckObjCARCUnavailableWeakConversion(QualType castType, QualType ExprType)
@ Ref_Compatible
Ref_Compatible - The two types are reference-compatible.
ExprResult BuildCXXFunctionalCastExpr(TypeSourceInfo *TInfo, QualType Type, SourceLocation LParenLoc, Expr *CastExpr, SourceLocation RParenLoc)
bool CheckCXXThisCapture(SourceLocation Loc, bool Explicit=false, bool BuildAndDiagnose=true, const unsigned *const FunctionScopeIndexToStopAt=nullptr, bool ByCopy=false)
Make sure the value of 'this' is actually available in the current context, if it is a potentially ev...
ParsedType getInheritingConstructorName(CXXScopeSpec &SS, SourceLocation NameLoc, IdentifierInfo &Name)
Handle the result of the special case name lookup for inheriting constructor declarations.
void EraseUnwantedCUDAMatches(const FunctionDecl *Caller, SmallVectorImpl< std::pair< DeclAccessPair, FunctionDecl * > > &Matches)
Finds a function in Matches with highest calling priority from Caller context and erases all function...
ExprResult MaybeBindToTemporary(Expr *E)
MaybeBindToTemporary - If the passed in expression has a record type with a non-trivial destructor,...
void MarkCaptureUsedInEnclosingContext(ValueDecl *Capture, SourceLocation Loc, unsigned CapturingScopeIndex)
ExprResult ActOnStartCXXMemberReference(Scope *S, Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, ParsedType &ObjectType, bool &MayBePseudoDestructor)
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 CheckVectorOperands(ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, bool IsCompAssign, bool AllowBothBool, bool AllowBoolConversion, bool AllowBoolOperation, bool ReportInvalid)
type checking for vector binary operators.
concepts::Requirement * ActOnSimpleRequirement(Expr *E)
FPOptionsOverride CurFPFeatureOverrides()
concepts::Requirement * ActOnCompoundRequirement(Expr *E, SourceLocation NoexceptLoc)
ExprResult BuildOverloadedArrowExpr(Scope *S, Expr *Base, SourceLocation OpLoc, bool *NoArrowOperatorFound=nullptr)
BuildOverloadedArrowExpr - Build a call to an overloaded operator-> (if one exists),...
FunctionDecl * getCurFunctionDecl(bool AllowLambda=false) const
Returns a pointer to the innermost enclosing function, or nullptr if the current context is not insid...
ExprResult PerformContextualImplicitConversion(SourceLocation Loc, Expr *FromE, ContextualImplicitConverter &Converter)
Perform a contextual implicit conversion.
ExprResult CheckUnevaluatedOperand(Expr *E)
ExprResult PerformImplicitConversion(Expr *From, QualType ToType, const ImplicitConversionSequence &ICS, AssignmentAction Action, CheckedConversionKind CCK=CCK_ImplicitConversion)
PerformImplicitConversion - Perform an implicit conversion of the expression From to the type ToType ...
ExprResult ActOnCXXDelete(SourceLocation StartLoc, bool UseGlobal, bool ArrayForm, Expr *Operand)
ActOnCXXDelete - Parsed a C++ 'delete' expression.
ExprResult CheckSwitchCondition(SourceLocation SwitchLoc, Expr *Cond)
void diagnoseNullableToNonnullConversion(QualType DstType, QualType SrcType, SourceLocation Loc)
Warn if we're implicitly casting from a _Nullable pointer type to a _Nonnull one.
ExprResult ActOnCXXNullPtrLiteral(SourceLocation Loc)
ActOnCXXNullPtrLiteral - Parse 'nullptr'.
ExprResult BuildCXXTypeId(QualType TypeInfoType, SourceLocation TypeidLoc, TypeSourceInfo *Operand, SourceLocation RParenLoc)
Build a C++ typeid expression with a type operand.
ExprResult SubstExpr(Expr *E, const MultiLevelTemplateArgumentList &TemplateArgs)
DiagnosticsEngine & getDiagnostics() const
ExprResult MaybeConvertParenListExprToParenExpr(Scope *S, Expr *ME)
This is not an AltiVec-style cast or or C++ direct-initialization, so turn the ParenListExpr into a s...
concepts::TypeRequirement * BuildTypeRequirement(TypeSourceInfo *Type)
ExprResult ActOnCXXThis(SourceLocation loc)
AccessResult CheckDestructorAccess(SourceLocation Loc, CXXDestructorDecl *Dtor, const PartialDiagnostic &PDiag, QualType objectType=QualType())
FunctionDecl * ResolveAddressOfOverloadedFunction(Expr *AddressOfExpr, QualType TargetType, bool Complain, DeclAccessPair &Found, bool *pHadMultipleCandidates=nullptr)
ResolveAddressOfOverloadedFunction - Try to resolve the address of an overloaded function (C++ [over....
void PushOnScopeChains(NamedDecl *D, Scope *S, bool AddToContext=true)
Add this decl to the scope shadowed decl chains.
void CleanupVarDeclMarking()
ExprResult DefaultFunctionArrayLvalueConversion(Expr *E, bool Diagnose=true)
ASTContext & getASTContext() const
void DeclareGlobalAllocationFunction(DeclarationName Name, QualType Return, ArrayRef< QualType > Params)
DeclareGlobalAllocationFunction - Declares a single implicit global allocation function if it doesn't...
bool DiagnoseUnexpandedParameterPackInRequiresExpr(RequiresExpr *RE)
If the given requirees-expression contains an unexpanded reference to one of its own parameter packs,...
CXXDestructorDecl * LookupDestructor(CXXRecordDecl *Class)
Look for the destructor of the given class.
bool tryCaptureVariable(ValueDecl *Var, SourceLocation Loc, TryCaptureKind Kind, SourceLocation EllipsisLoc, bool BuildAndDiagnose, QualType &CaptureType, QualType &DeclRefType, const unsigned *const FunctionScopeIndexToStopAt)
Try to capture the given variable.
AssignConvertType CheckTransparentUnionArgumentConstraints(QualType ArgType, ExprResult &RHS)
NamespaceDecl * getOrCreateStdNamespace()
Retrieve the special "std" namespace, which may require us to implicitly define the namespace.
bool CheckTypeTraitArity(unsigned Arity, SourceLocation Loc, size_t N)
ExprResult ActOnPseudoDestructorExpr(Scope *S, Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, CXXScopeSpec &SS, UnqualifiedId &FirstTypeName, SourceLocation CCLoc, SourceLocation TildeLoc, UnqualifiedId &SecondTypeName)
bool CheckArgsForPlaceholders(MultiExprArg args)
Check an argument list for placeholders that we won't try to handle later.
AccessResult CheckAllocationAccess(SourceLocation OperatorLoc, SourceRange PlacementRange, CXXRecordDecl *NamingClass, DeclAccessPair FoundDecl, bool Diagnose=true)
Checks access to an overloaded operator new or delete.
AccessResult CheckMemberOperatorAccess(SourceLocation Loc, Expr *ObjectExpr, const SourceRange &, DeclAccessPair FoundDecl)
ExprResult ActOnArrayTypeTrait(ArrayTypeTrait ATT, SourceLocation KWLoc, ParsedType LhsTy, Expr *DimExpr, SourceLocation RParen)
ActOnArrayTypeTrait - Parsed one of the binary type trait support pseudo-functions.
void ActOnFinishRequiresExpr()
ExprResult BuildCXXNew(SourceRange Range, bool UseGlobal, SourceLocation PlacementLParen, MultiExprArg PlacementArgs, SourceLocation PlacementRParen, SourceRange TypeIdParens, QualType AllocType, TypeSourceInfo *AllocTypeInfo, std::optional< Expr * > ArraySize, SourceRange DirectInitRange, Expr *Initializer)
PrintingPolicy getPrintingPolicy() const
Retrieve a suitable printing policy for diagnostics.
ExprResult ActOnCXXThrow(Scope *S, SourceLocation OpLoc, Expr *expr)
ActOnCXXThrow - Parse throw expressions.
DeclRefExpr * BuildDeclRefExpr(ValueDecl *D, QualType Ty, ExprValueKind VK, SourceLocation Loc, const CXXScopeSpec *SS=nullptr)
ExprResult CheckConvertedConstantExpression(Expr *From, QualType T, llvm::APSInt &Value, CCEKind CCE)
EnumDecl * getStdAlignValT() const
QualType BuiltinRemoveReference(QualType BaseType, UTTKind UKind, SourceLocation Loc)
LazyDeclPtr StdBadAlloc
The C++ "std::bad_alloc" class, which is defined by the C++ standard library.
CastKind PrepareCastToObjCObjectPointer(ExprResult &E)
Prepare a conversion of the given expression to an ObjC object pointer type.
bool isInMaterializeTemporaryObjectContext() const
NamedReturnInfo getNamedReturnInfo(Expr *&E, SimplerImplicitMoveMode Mode=SimplerImplicitMoveMode::Normal)
Determine whether the given expression might be move-eligible or copy-elidable in either a (co_)retur...
void AddTemplateOverloadCandidate(FunctionTemplateDecl *FunctionTemplate, DeclAccessPair FoundDecl, TemplateArgumentListInfo *ExplicitTemplateArgs, ArrayRef< Expr * > Args, OverloadCandidateSet &CandidateSet, bool SuppressUserConversions=false, bool PartialOverloading=false, bool AllowExplicit=true, ADLCallKind IsADLCandidate=ADLCallKind::NotADL, OverloadCandidateParamOrder PO={}, bool AggregateCandidateDeduction=false)
Add a C++ function template specialization as a candidate in the candidate set, using template argume...
bool CheckMemberPointerConversion(Expr *From, QualType ToType, CastKind &Kind, CXXCastPath &BasePath, bool IgnoreBaseAccess)
CheckMemberPointerConversion - Check the member pointer conversion from the expression From to the ty...
bool checkLiteralOperatorId(const CXXScopeSpec &SS, const UnqualifiedId &Id, bool IsUDSuffix)
void DiagnoseUnusedExprResult(const Stmt *S, unsigned DiagID)
DiagnoseUnusedExprResult - If the statement passed in is an expression whose result is unused,...
FPOptions & getCurFPFeatures()
SourceLocation getLocForEndOfToken(SourceLocation Loc, unsigned Offset=0)
Calls Lexer::getLocForEndOfToken()
@ UPPC_IfExists
Microsoft __if_exists.
@ UPPC_IfNotExists
Microsoft __if_not_exists.
const LangOptions & getLangOpts() const
StmtResult ActOnFinishFullStmt(Stmt *Stmt)
CastKind PrepareScalarCast(ExprResult &src, QualType destType)
Prepares for a scalar cast, performing all the necessary stages except the final cast and returning t...
SemaDiagnosticBuilder CUDADiagIfDeviceCode(SourceLocation Loc, unsigned DiagID)
Creates a SemaDiagnosticBuilder that emits the diagnostic if the current context is "used as device c...
void diagnoseUnavailableAlignedAllocation(const FunctionDecl &FD, SourceLocation Loc)
Produce diagnostics if FD is an aligned allocation or deallocation function that is unavailable.
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)
ExprResult ActOnCXXBoolLiteral(SourceLocation OpLoc, tok::TokenKind Kind)
ActOnCXXBoolLiteral - Parse {true,false} literals.
ExprResult ImpCastExprToType(Expr *E, QualType Type, CastKind CK, ExprValueKind VK=VK_PRValue, const CXXCastPath *BasePath=nullptr, CheckedConversionKind CCK=CCK_ImplicitConversion)
ImpCastExprToType - If Expr is not of type 'Type', insert an implicit cast.
ExprResult BuildCXXTypeConstructExpr(TypeSourceInfo *Type, SourceLocation LParenLoc, MultiExprArg Exprs, SourceLocation RParenLoc, bool ListInitialization)
bool CheckConstraintSatisfaction(const NamedDecl *Template, ArrayRef< const Expr * > ConstraintExprs, const MultiLevelTemplateArgumentList &TemplateArgLists, SourceRange TemplateIDRange, ConstraintSatisfaction &Satisfaction)
Check whether the given list of constraint expressions are satisfied (as if in a 'conjunction') given...
const LangOptions & LangOpts
bool FindAllocationFunctions(SourceLocation StartLoc, SourceRange Range, AllocationFunctionScope NewScope, AllocationFunctionScope DeleteScope, QualType AllocType, bool IsArray, bool &PassAlignment, MultiExprArg PlaceArgs, FunctionDecl *&OperatorNew, FunctionDecl *&OperatorDelete, bool Diagnose=true)
Finds the overloads of operator new and delete that are appropriate for the allocation.
sema::LambdaScopeInfo * getCurLambda(bool IgnoreNonLambdaCapturingScope=false)
Retrieve the current lambda scope info, if any.
ExprResult BuildCXXMemberCallExpr(Expr *Exp, NamedDecl *FoundDecl, CXXConversionDecl *Method, bool HadMultipleCandidates)
ExprResult CheckConditionVariable(VarDecl *ConditionVar, SourceLocation StmtLoc, ConditionKind CK)
Check the use of the given variable as a C++ condition in an if, while, do-while, or switch statement...
ExprResult TemporaryMaterializationConversion(Expr *E)
If E is a prvalue denoting an unmaterialized temporary, materialize it as an xvalue.
CXXRecordDecl * getStdBadAlloc() const
ExprResult ActOnCXXTypeConstructExpr(ParsedType TypeRep, SourceLocation LParenOrBraceLoc, MultiExprArg Exprs, SourceLocation RParenOrBraceLoc, bool ListInitialization)
ActOnCXXTypeConstructExpr - Parse construction of a specified type.
void CheckUnusedVolatileAssignment(Expr *E)
Check whether E, which is either a discarded-value expression or an unevaluated operand,...
QualType CheckTypenameType(ElaboratedTypeKeyword Keyword, SourceLocation KeywordLoc, NestedNameSpecifierLoc QualifierLoc, const IdentifierInfo &II, SourceLocation IILoc, TypeSourceInfo **TSI, bool DeducedTSTContext)
bool CanUseDecl(NamedDecl *D, bool TreatUnavailableAsInvalid)
Determine whether the use of this declaration is valid, without emitting diagnostics.
ConditionResult ActOnConditionVariable(Decl *ConditionVar, SourceLocation StmtLoc, ConditionKind CK)
void MarkAnyDeclReferenced(SourceLocation Loc, Decl *D, bool MightBeOdrUse)
Perform marking for a reference to an arbitrary declaration.
void MarkVTableUsed(SourceLocation Loc, CXXRecordDecl *Class, bool DefinitionRequired=false)
Note that the vtable for the given class was used at the given location.
bool CheckAllocatedType(QualType AllocType, SourceLocation Loc, SourceRange R)
Checks that a type is suitable as the allocated type in a new-expression.
CleanupInfo Cleanup
Used to control the generation of ExprWithCleanups.
ExprResult BuildTypeTrait(TypeTrait Kind, SourceLocation KWLoc, ArrayRef< TypeSourceInfo * > Args, SourceLocation RParenLoc)
ExprResult ActOnRequiresExpr(SourceLocation RequiresKWLoc, RequiresExprBodyDecl *Body, SourceLocation LParenLoc, ArrayRef< ParmVarDecl * > LocalParameters, SourceLocation RParenLoc, ArrayRef< concepts::Requirement * > Requirements, SourceLocation ClosingBraceLoc)
QualType FindCompositePointerType(SourceLocation Loc, Expr *&E1, Expr *&E2, bool ConvertArgs=true)
Find a merged pointer type and convert the two expressions to it.
ExprResult BuildExpressionTrait(ExpressionTrait OET, SourceLocation KWLoc, Expr *Queried, SourceLocation RParen)
bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, bool AllowBuiltinCreation=false, bool EnteringContext=false)
Performs name lookup for a name that was parsed in the source code, and may contain a C++ scope speci...
static CastKind ScalarTypeToBooleanCastKind(QualType ScalarTy)
ScalarTypeToBooleanCastKind - Returns the cast kind corresponding to the conversion from scalar type ...
CXXRecordDecl * getCurrentClass(Scope *S, const CXXScopeSpec *SS)
Get the class that is directly named by the current context.
ExprResult BuildCXXUuidof(QualType TypeInfoType, SourceLocation TypeidLoc, TypeSourceInfo *Operand, SourceLocation RParenLoc)
Build a Microsoft __uuidof expression with a type operand.
ExprResult LookupInObjCMethod(LookupResult &LookUp, Scope *S, IdentifierInfo *II, bool AllowBuiltinCreation=false)
The parser has read a name in, and Sema has detected that we're currently inside an ObjC method.
Expr * BuildCXXThisExpr(SourceLocation Loc, QualType Type, bool IsImplicit)
Build a CXXThisExpr and mark it referenced in the current context.
QualType CheckSizelessVectorOperands(ExprResult &LHS, ExprResult &RHS, SourceLocation Loc, bool IsCompAssign, ArithConvKind OperationKind)
CUDAFunctionPreference IdentifyCUDAPreference(const FunctionDecl *Caller, const FunctionDecl *Callee)
Identifies relative preference of a given Caller/Callee combination, based on their host/device attri...
llvm::DenseMap< const VarDecl *, int > RefsMinusAssignments
Increment when we find a reference; decrement when we find an ignored assignment.
std::optional< sema::TemplateDeductionInfo * > isSFINAEContext() const
Determines whether we are currently in a context where template argument substitution failures are no...
QualType DeduceTemplateSpecializationFromInitializer(TypeSourceInfo *TInfo, const InitializedEntity &Entity, const InitializationKind &Kind, MultiExprArg Init)
void MarkThisReferenced(CXXThisExpr *This)
ExprResult DefaultLvalueConversion(Expr *E)
ExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS, LookupResult &R, bool NeedsADL, bool AcceptInvalidDecl=false)
bool CheckDerivedToBaseConversion(QualType Derived, QualType Base, SourceLocation Loc, SourceRange Range, CXXCastPath *BasePath=nullptr, bool IgnoreAccess=false)
Module * getCurrentModule() const
Get the module unit whose scope we are currently within.
static bool isCast(CheckedConversionKind CCK)
ExprResult prepareVectorSplat(QualType VectorTy, Expr *SplattedExpr)
Prepare SplattedExpr for a vector splat operation, adding implicit casts if necessary.
IfExistsResult CheckMicrosoftIfExistsSymbol(Scope *S, CXXScopeSpec &SS, const DeclarationNameInfo &TargetNameInfo)
DeclContext * CurContext
CurContext - This is the current declaration context of parsing.
@ NotForRedeclaration
The lookup is a reference to this name that is not for the purpose of redeclaring the name.
bool FindDeallocationFunction(SourceLocation StartLoc, CXXRecordDecl *RD, DeclarationName Name, FunctionDecl *&Operator, bool Diagnose=true, bool WantSize=false, bool WantAligned=false)
DeclarationNameInfo GetNameFromUnqualifiedId(const UnqualifiedId &Name)
Retrieves the declaration name from a parsed unqualified-id.
ExprResult PerformContextuallyConvertToBool(Expr *From)
PerformContextuallyConvertToBool - Perform a contextual conversion of the expression From to bool (C+...
AccessResult CheckConstructorAccess(SourceLocation Loc, CXXConstructorDecl *D, DeclAccessPair FoundDecl, const InitializedEntity &Entity, bool IsCopyBindingRefToTemp=false)
Checks access to a constructor.
bool DiagnoseConditionalForNull(const Expr *LHSExpr, const Expr *RHSExpr, SourceLocation QuestionLoc)
Emit a specialized diagnostic when one expression is a null pointer constant and the other is not a p...
ParsedType getDestructorTypeForDecltype(const DeclSpec &DS, ParsedType ObjectType)
bool isUnevaluatedContext() const
Determines whether we are currently in a context that is not evaluated as per C++ [expr] p5.
DeclContext * getFunctionLevelDeclContext(bool AllowLambda=false) const
If AllowLambda is true, treat lambda as function.
Stmt * MaybeCreateStmtWithCleanups(Stmt *SubStmt)
AssignConvertType
AssignConvertType - All of the 'assignment' semantic checks return this enum to indicate whether the ...
@ Compatible
Compatible - the types are compatible according to the standard.
@ Incompatible
Incompatible - We reject this conversion outright, it is invalid to represent it in the AST.
ExprResult ActOnCXXNew(SourceLocation StartLoc, bool UseGlobal, SourceLocation PlacementLParen, MultiExprArg PlacementArgs, SourceLocation PlacementRParen, SourceRange TypeIdParens, Declarator &D, Expr *Initializer)
ActOnCXXNew - Parsed a C++ 'new' expression.
@ ACK_Conditional
A conditional (?:) operator.
ExprResult BuildCXXNoexceptExpr(SourceLocation KeyLoc, Expr *Operand, SourceLocation RParen)
bool GlobalNewDeleteDeclared
A flag to remember whether the implicit forms of operator new and delete have been declared.
ExprResult ActOnParenExpr(SourceLocation L, SourceLocation R, Expr *E)
ExprResult CheckPlaceholderExpr(Expr *E)
Check for operands with placeholder types and complain if found.
ExprResult TransformToPotentiallyEvaluated(Expr *E)
ExprResult BuildCXXConstructExpr(SourceLocation ConstructLoc, QualType DeclInitType, NamedDecl *FoundDecl, CXXConstructorDecl *Constructor, MultiExprArg Exprs, bool HadMultipleCandidates, bool IsListInitialization, bool IsStdInitListInitialization, bool RequiresZeroInit, CXXConstructionKind ConstructKind, SourceRange ParenRange)
BuildCXXConstructExpr - Creates a complete call to a constructor, including handling of its default a...
CheckedConversionKind
The kind of conversion being performed.
@ CCK_ForBuiltinOverloadedOp
A conversion for an operand of a builtin overloaded operator.
@ CCK_CStyleCast
A C-style cast.
@ CCK_FunctionalCast
A functional-style cast.
bool inTemplateInstantiation() const
Determine whether we are currently performing template instantiation.
SourceManager & getSourceManager() const
QualType CXXThisTypeOverride
When non-NULL, the C++ 'this' expression is allowed despite the current context not being a non-stati...
ExprResult FixOverloadedFunctionReference(Expr *E, DeclAccessPair FoundDecl, FunctionDecl *Fn)
FixOverloadedFunctionReference - E is an expression that refers to a C++ overloaded function (possibl...
ExprResult PerformMoveOrCopyInitialization(const InitializedEntity &Entity, const NamedReturnInfo &NRInfo, Expr *Value, bool SupressSimplerImplicitMoves=false)
Perform the initialization of a potentially-movable value, which is the result of return value.
ExprResult CheckCXXBooleanCondition(Expr *CondExpr, bool IsConstexpr=false)
CheckCXXBooleanCondition - Returns true if conversion to bool is invalid.
CanThrowResult canThrow(const Stmt *E)
bool isThisOutsideMemberFunctionBody(QualType BaseType)
Determine whether the given type is the type of *this that is used outside of the body of a member fu...
DeclContext * computeDeclContext(QualType T)
Compute the DeclContext that is associated with the given type.
ARCConversionResult CheckObjCConversion(SourceRange castRange, QualType castType, Expr *&op, CheckedConversionKind CCK, bool Diagnose=true, bool DiagnoseCFAudited=false, BinaryOperatorKind Opc=BO_PtrMemD)
Checks for invalid conversions and casts between retainable pointers and other pointer kinds for ARC ...
TypeResult ActOnTemplateIdType(Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, TemplateTy Template, IdentifierInfo *TemplateII, SourceLocation TemplateIILoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc, bool IsCtorOrDtorName=false, bool IsClassName=false, ImplicitTypenameContext AllowImplicitTypename=ImplicitTypenameContext::No)
QualType CheckPointerToMemberOperands(ExprResult &LHS, ExprResult &RHS, ExprValueKind &VK, SourceLocation OpLoc, bool isIndirect)
concepts::ExprRequirement * BuildExprRequirement(Expr *E, bool IsSatisfied, SourceLocation NoexceptLoc, concepts::ExprRequirement::ReturnTypeRequirement ReturnTypeRequirement)
ParsedType getDestructorName(IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec &SS, ParsedType ObjectType, bool EnteringContext)
void AddOverloadCandidate(FunctionDecl *Function, DeclAccessPair FoundDecl, ArrayRef< Expr * > Args, OverloadCandidateSet &CandidateSet, bool SuppressUserConversions=false, bool PartialOverloading=false, bool AllowExplicit=true, bool AllowExplicitConversion=false, ADLCallKind IsADLCandidate=ADLCallKind::NotADL, ConversionSequenceList EarlyConversions=std::nullopt, OverloadCandidateParamOrder PO={}, bool AggregateCandidateDeduction=false)
AddOverloadCandidate - Adds the given function to the set of candidate functions, using the given fun...
QualType CXXCheckConditionalOperands(ExprResult &cond, ExprResult &lhs, ExprResult &rhs, ExprValueKind &VK, ExprObjectKind &OK, SourceLocation questionLoc)
Check the operands of ?: under C++ semantics.
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.
void CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl, const LookupResult &R)
Diagnose variable or built-in function shadowing.
TypeResult ActOnTypenameType(Scope *S, SourceLocation TypenameLoc, const CXXScopeSpec &SS, const IdentifierInfo &II, SourceLocation IdLoc, ImplicitTypenameContext IsImplicitTypename=ImplicitTypenameContext::No)
Called when the parser has parsed a C++ typename specifier, e.g., "typename T::type".
bool isCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind=CompleteTypeKind::Default)
ExprResult BuildPseudoDestructorExpr(Expr *Base, SourceLocation OpLoc, tok::TokenKind OpKind, const CXXScopeSpec &SS, TypeSourceInfo *ScopeType, SourceLocation CCLoc, SourceLocation TildeLoc, PseudoDestructorTypeStorage DestroyedType)
RecordDecl * CXXTypeInfoDecl
The C++ "type_info" declaration, which is defined in <typeinfo>.
@ CCEK_ArrayBound
Array bound in array declarator or new-expression.
CXXConstructorDecl * LookupCopyingConstructor(CXXRecordDecl *Class, unsigned Quals)
Look up the copying constructor for the given class.
ParsedType getTypeName(const IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec *SS=nullptr, bool isClassName=false, bool HasTrailingDot=false, ParsedType ObjectType=nullptr, bool IsCtorOrDtorName=false, bool WantNontrivialTypeSourceInfo=false, bool IsClassTemplateDeductionContext=true, ImplicitTypenameContext AllowImplicitTypename=ImplicitTypenameContext::No, IdentifierInfo **CorrectedII=nullptr)
If the identifier refers to a type name within this scope, return the declaration of that type.
RequiresExprBodyDecl * ActOnStartRequiresExpr(SourceLocation RequiresKWLoc, ArrayRef< ParmVarDecl * > LocalParameters, Scope *BodyScope)
bool CheckPointerConversion(Expr *From, QualType ToType, CastKind &Kind, CXXCastPath &BasePath, bool IgnoreBaseAccess, bool Diagnose=true)
CheckPointerConversion - Check the pointer conversion from the expression From to the type ToType.
SmallVector< ExprWithCleanups::CleanupObject, 8 > ExprCleanupObjects
ExprCleanupObjects - This is the stack of objects requiring cleanup that are created by the current f...
void NoteDeletedFunction(FunctionDecl *FD)
Emit a note explaining that this function is deleted.
void AddKnownFunctionAttributesForReplaceableGlobalAllocationFunction(FunctionDecl *FD)
If this function is a C++ replaceable global allocation function (C++2a [basic.stc....
@ Unevaluated
The current expression and its subexpressions occur within an unevaluated operand (C++11 [expr]p7),...
CUDAFunctionTarget CurrentCUDATarget()
Gets the CUDA target for the current context.
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...
TypeSourceInfo * GetTypeForDeclarator(Declarator &D)
GetTypeForDeclarator - Convert the type for the specified declarator to Type instances.
bool CheckCallReturnType(QualType ReturnType, SourceLocation Loc, CallExpr *CE, FunctionDecl *FD)
CheckCallReturnType - Checks that a call expression's return type is complete.
bool RequireCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind, TypeDiagnoser &Diagnoser)
Ensure that the type T is a complete type.
ReferenceCompareResult CompareReferenceRelationship(SourceLocation Loc, QualType T1, QualType T2, ReferenceConversions *Conv=nullptr)
CompareReferenceRelationship - Compare the two types T1 and T2 to determine whether they are referenc...
PartialDiagnostic PDiag(unsigned DiagID=0)
Build a partial diagnostic.
ExprResult forceUnknownAnyToType(Expr *E, QualType ToType)
Force an expression with unknown-type to an expression of the given type.
bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, bool InUnqualifiedLookup=false)
Perform qualified name lookup into a given context.
llvm::MapVector< FieldDecl *, DeleteLocs > DeleteExprs
Delete-expressions to be analyzed at the end of translation unit.
Expr * MaybeCreateExprWithCleanups(Expr *SubExpr)
MaybeCreateExprWithCleanups - If the current full-expression requires any cleanups,...
void DiscardCleanupsInEvaluationContext()
SmallVector< ExpressionEvaluationContextRecord, 8 > ExprEvalContexts
A stack of expression evaluation contexts.
void PushDeclContext(Scope *S, DeclContext *DC)
Set the current declaration context until it gets popped.
bool isDependentScopeSpecifier(const CXXScopeSpec &SS)
bool isUnavailableAlignedAllocationFunction(const FunctionDecl &FD) const
Determine whether FD is an aligned allocation or deallocation function that is unavailable.
DiagnosticsEngine & Diags
NamespaceDecl * getStdNamespace() const
ExprResult BuildCXXThrow(SourceLocation OpLoc, Expr *Ex, bool IsThrownVarInScope)
ExprResult DefaultFunctionArrayConversion(Expr *E, bool Diagnose=true)
DefaultFunctionArrayConversion (C99 6.3.2.1p3, C99 6.3.2.1p4).
ExprResult PerformCopyInitialization(const InitializedEntity &Entity, SourceLocation EqualLoc, ExprResult Init, bool TopLevelOfInitList=false, bool AllowExplicit=false)
ExprResult ActOnTypeTrait(TypeTrait Kind, SourceLocation KWLoc, ArrayRef< ParsedType > Args, SourceLocation RParenLoc)
Parsed one of the type trait support pseudo-functions.
bool CheckQualifiedFunctionForTypeId(QualType T, SourceLocation Loc)
void EmitRelatedResultTypeNote(const Expr *E)
If the given expression involves a message send to a method with a related result type,...
concepts::NestedRequirement * BuildNestedRequirement(Expr *E)
FunctionDecl * FindDeallocationFunctionForDestructor(SourceLocation StartLoc, CXXRecordDecl *RD)
TemplateDeductionResult DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, ArrayRef< TemplateArgument > TemplateArgs, sema::TemplateDeductionInfo &Info)
Perform template argument deduction to determine whether the given template arguments match the given...
QualType ActOnPackIndexingType(QualType Pattern, Expr *IndexExpr, SourceLocation Loc, SourceLocation EllipsisLoc)
bool isUsualDeallocationFunction(const CXXMethodDecl *FD)
ExprResult BuildArrayTypeTrait(ArrayTypeTrait ATT, SourceLocation KWLoc, TypeSourceInfo *TSInfo, Expr *DimExpr, SourceLocation RParen)
bool DiagnoseAssignmentResult(AssignConvertType ConvTy, SourceLocation Loc, QualType DstType, QualType SrcType, Expr *SrcExpr, AssignmentAction Action, bool *Complained=nullptr)
DiagnoseAssignmentResult - Emit a diagnostic, if required, for the assignment conversion type specifi...
void MarkFunctionReferenced(SourceLocation Loc, FunctionDecl *Func, bool MightBeOdrUse=true)
Mark a function referenced, and check whether it is odr-used (C++ [basic.def.odr]p2,...
bool GatherArgumentsForCall(SourceLocation CallLoc, FunctionDecl *FDecl, const FunctionProtoType *Proto, unsigned FirstParam, ArrayRef< Expr * > Args, SmallVectorImpl< Expr * > &AllArgs, VariadicCallType CallType=VariadicDoesNotApply, bool AllowExplicit=false, bool IsListInitialization=false)
GatherArgumentsForCall - Collector argument expressions for various form of call prototypes.
SemaDiagnosticBuilder targetDiag(SourceLocation Loc, unsigned DiagID, const FunctionDecl *FD=nullptr)
ExprResult CreateRecoveryExpr(SourceLocation Begin, SourceLocation End, ArrayRef< Expr * > SubExprs, QualType T=QualType())
Attempts to produce a RecoveryExpr after some AST node cannot be created.
LazyDeclPtr StdAlignValT
The C++ "std::align_val_t" enum class, which is defined by the C++ standard library.
AssignConvertType CheckAssignmentConstraints(SourceLocation Loc, QualType LHSType, QualType RHSType)
CheckAssignmentConstraints - Perform type checking for assignment, argument passing,...
bool IsDerivedFrom(SourceLocation Loc, QualType Derived, QualType Base)
Determine whether the type Derived is a C++ class that is derived from the type Base.
@ Diagnose
Diagnose issues that are non-constant or that are extensions.
bool CheckCXXThrowOperand(SourceLocation ThrowLoc, QualType ThrowTy, Expr *E)
CheckCXXThrowOperand - Validate the operand of a throw.
TemplateDeductionResult DeduceAutoType(TypeLoc AutoTypeLoc, Expr *Initializer, QualType &Result, sema::TemplateDeductionInfo &Info, bool DependentDeduction=false, bool IgnoreConstraints=false, TemplateSpecCandidateSet *FailedTSC=nullptr)
Deduce the type for an auto type-specifier (C++11 [dcl.spec.auto]p6)
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)
concepts::Requirement * ActOnNestedRequirement(Expr *Constraint)
QualType adjustCCAndNoReturn(QualType ArgFunctionType, QualType FunctionType, bool AdjustExceptionSpec=false)
Adjust the type ArgFunctionType to match the calling convention, noreturn, and optionally the excepti...
bool IsStringLiteralToNonConstPointerConversion(Expr *From, QualType ToType)
Helper function to determine whether this is the (deprecated) C++ conversion from a string literal to...
bool CheckExceptionSpecCompatibility(Expr *From, QualType ToType)
static ConditionResult ConditionError()
IdentifierResolver IdResolver
const TypoExprState & getTypoExprState(TypoExpr *TE) const
ExprResult BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, const TemplateArgumentListInfo *TemplateArgs, const Scope *S, UnresolvedLookupExpr *AsULE=nullptr)
Builds an expression which might be an implicit member expression.
FullExprArg MakeFullExpr(Expr *Arg)
ExprResult ActOnDecltypeExpression(Expr *E)
Process the expression contained within a decltype.
AllocationFunctionScope
The scope in which to find allocation functions.
@ AFS_Both
Look for allocation functions in both the global scope and in the scope of the allocated class.
@ AFS_Class
Only look for allocation functions in the scope of the allocated class.
@ AFS_Global
Only look for allocation functions in the global scope.
bool CheckCXXDefaultArgExpr(SourceLocation CallLoc, FunctionDecl *FD, ParmVarDecl *Param, Expr *Init=nullptr, bool SkipImmediateInvocations=true)
Instantiate or parse a C++ default argument expression as necessary.
ExprResult CorrectDelayedTyposInExpr(Expr *E, VarDecl *InitDecl=nullptr, bool RecoverUncorrectedTypos=false, llvm::function_ref< ExprResult(Expr *)> Filter=[](Expr *E) -> ExprResult { return E;})
Process any TypoExprs in the given Expr and its children, generating diagnostics as appropriate and r...
void CheckVirtualDtorCall(CXXDestructorDecl *dtor, SourceLocation Loc, bool IsDelete, bool CallCanBeVirtual, bool WarnOnNonAbstractTypes, SourceLocation DtorLoc)
ExprResult ActOnFinishFullExpr(Expr *Expr, bool DiscardedValue)
Encodes a location in the source.
bool isValid() const
Return true if this is a valid SourceLocation object.
bool isInSystemHeader(SourceLocation Loc) const
Returns if a SourceLocation is in a system header.
A trivial tuple used to represent a source range.
SourceLocation getEnd() const
SourceLocation getBegin() const
StandardConversionSequence - represents a standard conversion sequence (C++ 13.3.3....
DeclAccessPair FoundCopyConstructor
ImplicitConversionKind Second
Second - The second conversion can be an integral promotion, floating point promotion,...
ImplicitConversionKind First
First – The first conversion can be an lvalue-to-rvalue conversion, array-to-pointer conversion,...
unsigned DeprecatedStringLiteralToCharPtr
Whether this is the deprecated conversion of a string literal to a pointer to non-const character dat...
CXXConstructorDecl * CopyConstructor
CopyConstructor - The copy constructor that is used to perform this conversion, when the conversion i...
unsigned IncompatibleObjC
IncompatibleObjC - Whether this is an Objective-C conversion that we should warn about (if we actuall...
ImplicitConversionKind Third
Third - The third conversion can be a qualification conversion or a function conversion.
ImplicitConversionKind Element
Element - Between the second and third conversion a vector or matrix element conversion may occur.
StmtExpr - This is the GNU Statement Expression extension: ({int X=4; X;}).
Stmt - This represents one statement.
SourceLocation getEndLoc() const LLVM_READONLY
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
StringLiteral - This represents a string literal expression, e.g.
bool isMicrosoft() const
Is this ABI an MSVC-compatible ABI?
bool isItaniumFamily() const
Does this ABI generally fall into the Itanium family of ABIs?
unsigned getNewAlign() const
Return the largest alignment for which a suitably-sized allocation with '::operator new(size_t)' is g...
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
unsigned getIntWidth() const
getIntWidth/Align - Return the size of 'signed int' and 'unsigned int' for this target,...
TargetCXXABI getCXXABI() const
Get the C++ ABI currently in use.
A template argument list.
ArrayRef< TemplateArgument > asArray() const
Produce this as an array ref.
Represents a template argument.
@ Declaration
The template argument is a declaration that was provided for a pointer, reference,...
@ Type
The template argument is a type.
Stores a list of template parameters for a TemplateDecl and its derived classes.
NamedDecl * getParam(unsigned Idx)
unsigned getDepth() const
Get the depth of this template parameter list in the set of template parameter lists.
static TemplateParameterList * Create(const ASTContext &C, SourceLocation TemplateLoc, SourceLocation LAngleLoc, ArrayRef< NamedDecl * > Params, SourceLocation RAngleLoc, Expr *RequiresClause)
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)
Models the abbreviated syntax to constrain a template type parameter: template <convertible_to<string...
Expr * getImmediatelyDeclaredConstraint() const
Get the immediately-declared constraint expression introduced by this type-constraint,...
Represents a declaration of a type.
TyLocType push(QualType T)
Pushes space for a new TypeLoc of the given type.
TypeSourceInfo * getTypeSourceInfo(ASTContext &Context, QualType T)
Creates a TypeSourceInfo for the given type.
void pushTrivial(ASTContext &Context, QualType T, SourceLocation Loc)
Pushes 'T' with all locations pointing to 'Loc'.
SourceRange getSourceRange() const LLVM_READONLY
Get the full source range.
SourceLocation getBeginLoc() const
Get the begin source location.
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.
static TypeTraitExpr * Create(const ASTContext &C, QualType T, SourceLocation Loc, TypeTrait Kind, ArrayRef< TypeSourceInfo * > Args, SourceLocation RParenLoc, bool Value)
Create a new type trait expression.
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 isStructureType() const
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
bool isLiteralType(const ASTContext &Ctx) const
Return true if this is a literal type (C++11 [basic.types]p10)
bool isIncompleteArrayType() const
bool isPlaceholderType() const
Test for a type which does not represent an actual type-system type but is instead used as a placehol...
bool isSignedIntegerType() const
Return true if this is an integer type that is signed, according to C99 6.2.5p4 [char,...
bool isIntegralOrUnscopedEnumerationType() const
Determine whether this type is an integral or unscoped enumeration type.
bool isRValueReferenceType() const
bool isFundamentalType() const
Tests whether the type is categorized as a fundamental type.
bool isVoidPointerType() const
bool isArithmeticType() const
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 isScalarType() const
bool isInterfaceType() const
bool isVariableArrayType() const
bool isSveVLSBuiltinType() const
Determines if this is a sizeless type supported by the 'arm_sve_vector_bits' type attribute,...
bool isIntegralType(const ASTContext &Ctx) const
Determine whether this type is an integral type.
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.
bool isExtVectorType() const
QualType getSveEltType(const ASTContext &Ctx) const
Returns the representative type for the element of an SVE builtin type.
bool isMemberDataPointerType() const
bool isLValueReferenceType() const
bool isDependentType() const
Whether this type is a dependent type, meaning that its definition somehow depends on a template para...
bool isAggregateType() const
Determines whether the type is a C++ aggregate type or C aggregate or union type.
bool isAnyComplexType() const
bool isFixedPointType() const
Return true if this is a fixed point type according to ISO/IEC JTC1 SC22 WG14 N1169.
DeducedType * getContainedDeducedType() const
Get the DeducedType whose type will be deduced for a variable with an initializer of this type.
bool isWebAssemblyTableType() const
Returns true if this is a WebAssembly table type: either an array of reference types,...
bool isCompoundType() const
Tests whether the type is categorized as a compound type.
const Type * getBaseElementTypeUnsafe() const
Get the base element type of this type, potentially discarding type qualifiers.
bool isMemberPointerType() const
bool isMatrixType() const
bool isStandardLayoutType() const
Test if this type is a standard-layout type.
bool isVariablyModifiedType() const
Whether this type is a variably-modified type (C99 6.7.5).
bool isObjCLifetimeType() const
Returns true if objects of this type have lifetime semantics under ARC.
bool isObjectType() const
Determine whether this type is an object type.
Qualifiers::ObjCLifetime getObjCARCImplicitLifetime() const
Return the implicit lifetime for this type, which must not be dependent.
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 hasFloatingRepresentation() const
Determine whether this type has a floating-point representation of some sort, e.g....
bool isMemberFunctionPointerType() const
bool isVectorType() const
bool isRealFloatingType() const
Floating point categories.
bool isFloatingType() const
bool isUnsignedIntegerType() const
Return true if this is an integer type that is unsigned, according to C99 6.2.5p6 [which returns true...
bool isAnyPointerType() const
TypeClass getTypeClass() const
const T * getAs() const
Member-template getAs<specific type>'.
bool isObjCARCImplicitlyUnretainedType() const
Determines if this type, which must satisfy isObjCLifetimeType(), is implicitly __unsafe_unretained r...
bool isNullPtrType() const
bool isRecordType() const
bool isObjCRetainableType() const
TagDecl * getAsTagDecl() const
Retrieves the TagDecl that this type refers to, either because the type is a TagType or because it is...
bool isScopedEnumeralType() const
Determine whether this type is a scoped enumeration type.
Simple class containing the result of Sema::CorrectTypo.
SourceRange getCorrectionRange() const
void WillReplaceSpecifier(bool ForceReplacement)
unsigned getEditDistance(bool Normalized=true) const
Gets the "edit distance" of the typo correction from the typo.
NestedNameSpecifier * getCorrectionSpecifier() const
Gets the NestedNameSpecifier needed to use the typo correction.
void setCorrectionDecl(NamedDecl *CDecl)
Clears the list of NamedDecls before adding the new one.
NamedDecl * getFoundDecl() const
Get the correction declaration found by name lookup (before we looked through using shadow declaratio...
TypoExpr - Internal placeholder for expressions where typo correction still needs to be performed and...
SourceLocation getEndLoc() const LLVM_READONLY
SourceLocation getBeginLoc() const LLVM_READONLY
UnaryOperator - This represents the unary-expression's (except sizeof and alignof),...
Represents a C++ unqualified-id that has been parsed.
IdentifierInfo * Identifier
When Kind == IK_Identifier, the parsed identifier, or when Kind == IK_UserLiteralId,...
SourceLocation StartLocation
The location of the first token that describes this unqualified-id, which will be the location of the...
UnqualifiedIdKind getKind() const
Determine what kind of name we have.
TemplateIdAnnotation * TemplateId
When Kind == IK_TemplateId or IK_ConstructorTemplateId, the template-id annotation that contains the ...
The iterator over UnresolvedSets.
Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...
bool isWeak() const
Determine whether this symbol is weakly-imported, or declared with the weak or weak-ref attr.
VarDecl * getPotentiallyDecomposedVarDecl()
Represents a variable declaration or definition.
SourceRange getSourceRange() const override LLVM_READONLY
Source range that this declaration covers.
bool isUsableInConstantExpressions(const ASTContext &C) const
Determine whether this variable's value can be used in a constant expression, according to the releva...
const Expr * getAnyInitializer() const
Get the initializer for this variable, no matter which declaration it is attached to.
Represents a GCC generic vector type.
unsigned getNumElements() const
bool isTypeConstraint() const
TemplateParameterList * getTypeConstraintTemplateParameterList() const
bool isSubstitutionFailure() const
A requires-expression requirement which queries the validity and properties of an expression ('simple...
@ SS_ConstraintsNotSatisfied
@ SS_TypeRequirementSubstitutionFailure
A requires-expression requirement which is satisfied when a general constraint expression is satisfie...
A static requirement that can be used in a requires-expression to check properties of types and expre...
A requires-expression requirement which queries the existence of a type name or type template special...
ImplicitCaptureStyle ImpCaptureStyle
Capture & getCXXThisCapture()
Retrieve the capture of C++ 'this', if it has been captured.
bool isCXXThisCaptured() const
Determine whether the C++ 'this' is captured.
void addThisCapture(bool isNested, SourceLocation Loc, QualType CaptureType, bool ByCopy)
SourceLocation PotentialThisCaptureLocation
bool hasPotentialThisCapture() const
SourceRange IntroducerRange
Source range covering the lambda introducer [...].
bool lambdaCaptureShouldBeConst() const
void clearPotentialCaptures()
bool hasPotentialCaptures() const
bool isVariableExprMarkedAsNonODRUsed(Expr *CapturingVarExpr) const
CXXRecordDecl * Lambda
The class that describes the lambda.
void visitPotentialCaptures(llvm::function_ref< void(ValueDecl *, Expr *)> Callback) const
unsigned NumExplicitCaptures
The number of captures in the Captures list that are explicit captures.
CXXMethodDecl * CallOperator
The lambda's compiler-generated operator().
Provides information about an attempted template argument deduction, whose success or failure was des...
Defines the clang::TargetInfo interface.
SmallVector< BoundNodes, 1 > match(MatcherT Matcher, const NodeT &Node, ASTContext &Context)
Returns the results of matching Matcher on Node.
Requirement::SubstitutionDiagnostic * createSubstDiagAt(Sema &S, SourceLocation Location, EntityPrinter Printer)
create a Requirement::SubstitutionDiagnostic with only a SubstitutedEntity and DiagLoc using Sema's a...
bool NE(InterpState &S, CodePtr OpPC)
TokenKind
Provides a simple uniform namespace for tokens from all C languages.
The JSON file list parser is used to communicate input to InstallAPI.
@ Bind
'bind' clause, allowed on routine constructs.
@ Self
'self' clause, allowed on Compute and Combined Constructs, plus 'update'.
bool isLambdaCallWithImplicitObjectParameter(const DeclContext *DC)
OverloadedOperatorKind
Enumeration specifying the different kinds of C++ overloaded operators.
ArrayTypeTrait
Names for the array type traits.
unsigned getTypeTraitArity(TypeTrait T) LLVM_READONLY
Return the arity of the type trait T.
@ OR_Deleted
Succeeded, but refers to a deleted function.
@ OR_Success
Overload resolution succeeded.
@ OR_Ambiguous
Ambiguous candidates found.
@ OR_No_Viable_Function
No viable function found.
CanThrowResult
Possible results from evaluation of a noexcept expression.
DeclContext * getLambdaAwareParentOfDeclContext(DeclContext *DC)
std::optional< unsigned > getStackIndexOfNearestEnclosingCaptureCapableLambda(ArrayRef< const sema::FunctionScopeInfo * > FunctionScopes, ValueDecl *VarToCapture, Sema &S)
Examines the FunctionScopeInfo stack to determine the nearest enclosing lambda (to the current lambda...
bool isReservedInAllContexts(ReservedIdentifierStatus Status)
Determine whether an identifier is reserved in all contexts.
bool isUnresolvedExceptionSpec(ExceptionSpecificationType ESpecType)
@ RQ_None
No ref-qualifier was provided.
@ RQ_LValue
An lvalue ref-qualifier was provided (&).
@ RQ_RValue
An rvalue ref-qualifier was provided (&&).
@ OCD_AmbiguousCandidates
Requests that only tied-for-best candidates be shown.
@ OCD_AllCandidates
Requests that all candidates be shown.
ExprObjectKind
A further classification of the kind of object referenced by an l-value or x-value.
@ OK_ObjCProperty
An Objective-C property is a logical field of an Objective-C object which is read and written via Obj...
@ OK_Ordinary
An ordinary object is located at an address in memory.
@ OK_BitField
A bitfield object is a bitfield on a C or C++ record.
@ LCK_StarThis
Capturing the *this object by copy.
@ IK_TemplateId
A template-id, e.g., f<int>.
@ IK_LiteralOperatorId
A user-defined literal name, e.g., operator "" _i.
@ IK_Identifier
An identifier.
bool isLambdaCallWithExplicitObjectParameter(const DeclContext *DC)
bool isLambdaCallOperator(const CXXMethodDecl *MD)
@ Result
The result type of a method or function.
@ ICK_Complex_Conversion
Complex conversions (C99 6.3.1.6)
@ ICK_Floating_Promotion
Floating point promotions (C++ [conv.fpprom])
@ ICK_Boolean_Conversion
Boolean conversions (C++ [conv.bool])
@ ICK_Integral_Conversion
Integral conversions (C++ [conv.integral])
@ ICK_Fixed_Point_Conversion
Fixed point type conversions according to N1169.
@ ICK_Vector_Conversion
Vector conversions.
@ ICK_Block_Pointer_Conversion
Block Pointer conversions.
@ ICK_Pointer_Member
Pointer-to-member conversions (C++ [conv.mem])
@ ICK_Floating_Integral
Floating-integral conversions (C++ [conv.fpint])
@ ICK_SVE_Vector_Conversion
Arm SVE Vector conversions.
@ ICK_HLSL_Vector_Truncation
HLSL vector truncation.
@ ICK_Incompatible_Pointer_Conversion
C-only conversion between pointers with incompatible types.
@ ICK_Array_To_Pointer
Array-to-pointer conversion (C++ [conv.array])
@ ICK_RVV_Vector_Conversion
RISC-V RVV Vector conversions.
@ ICK_Complex_Promotion
Complex promotions (Clang extension)
@ ICK_Num_Conversion_Kinds
The number of conversion kinds.
@ ICK_Function_Conversion
Function pointer conversion (C++17 [conv.fctptr])
@ ICK_Vector_Splat
A vector splat from an arithmetic type.
@ ICK_Zero_Queue_Conversion
Zero constant to queue.
@ ICK_Identity
Identity conversion (no conversion)
@ ICK_Derived_To_Base
Derived-to-base (C++ [over.best.ics])
@ ICK_Lvalue_To_Rvalue
Lvalue-to-rvalue conversion (C++ [conv.lval])
@ ICK_Qualification
Qualification conversions (C++ [conv.qual])
@ ICK_Pointer_Conversion
Pointer conversions (C++ [conv.ptr])
@ ICK_TransparentUnionConversion
Transparent Union Conversions.
@ ICK_Integral_Promotion
Integral promotions (C++ [conv.prom])
@ ICK_Floating_Conversion
Floating point conversions (C++ [conv.double].
@ ICK_Compatible_Conversion
Conversions between compatible types in C99.
@ ICK_C_Only_Conversion
Conversions allowed in C, but not C++.
@ ICK_Writeback_Conversion
Objective-C ARC writeback conversion.
@ ICK_Zero_Event_Conversion
Zero constant to event (OpenCL1.2 6.12.10)
@ ICK_Complex_Real
Complex-real conversions (C99 6.3.1.7)
@ ICK_Function_To_Pointer
Function-to-pointer (C++ [conv.array])
llvm::VersionTuple alignedAllocMinVersion(llvm::Triple::OSType OS)
ActionResult< Expr * > ExprResult
@ Class
The "class" keyword.
LangAS
Defines the address space values used by the address space qualifier of QualType.
CastKind
CastKind - The kind of operation required for a conversion.
bool isPtrSizeAddressSpace(LangAS AS)
ExprValueKind
The categorization of expression values, currently following the C++11 scheme.
@ VK_PRValue
A pr-value expression (in the C++11 taxonomy) produces a temporary value.
@ VK_LValue
An l-value expression is a reference to an object with independent storage.
const char * getTraitSpelling(ExpressionTrait T) LLVM_READONLY
Return the spelling of the type trait TT. Never null.
OpaquePtr< QualType > ParsedType
An opaque type for threading parsed type information through the parser.
std::pair< SourceLocation, PartialDiagnostic > PartialDiagnosticAt
A partial diagnostic along with the source location where this diagnostic occurs.
TemplateDeductionResult
Describes the result of template argument deduction.
@ Success
Template argument deduction was successful.
@ AlreadyDiagnosed
Some error which was already diagnosed.
if(T->getSizeExpr()) TRY_TO(TraverseStmt(T -> getSizeExpr()))
@ Generic
not a target-specific vector type
@ None
No keyword precedes the qualified type name.
@ Class
The "class" keyword introduces the elaborated-type-specifier.
@ Typename
The "typename" keyword precedes the qualified type name, e.g., typename T::type.
@ Other
Other implicit parameter.
TypeTrait
Names for traits that operate specifically on types.
CXXNewInitializationStyle
@ Parens
New-expression has a C++98 paren-delimited initializer.
@ None
New-expression has no initializer as written.
@ Braces
New-expression has a C++11 list-initializer.
@ EST_BasicNoexcept
noexcept
@ EST_Dynamic
throw(T1, T2)
bool isGenericLambdaCallOperatorSpecialization(const CXXMethodDecl *MD)
MutableArrayRef< Expr * > MultiExprArg
The result of a constraint satisfaction check, containing the necessary information to diagnose an un...
static ASTConstraintSatisfaction * Rebuild(const ASTContext &C, const ASTConstraintSatisfaction &Satisfaction)
DeclarationNameInfo - A collector data type for bundling together a DeclarationName and the correspon...
DeclarationName getName() const
getName - Returns the embedded declaration name.
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.
One instance of this struct is used for each type in a declarator that is parsed.
enum clang::DeclaratorChunk::@216 Kind
SourceLocation Loc
Loc - The place where this type was defined.
ExceptionSpecificationType Type
The kind of exception specification this is.
ArrayRef< QualType > Exceptions
Explicitly-specified list of exception types.
Extra information about a function prototype.
ExceptionSpecInfo ExceptionSpec
FunctionType::ExtInfo ExtInfo
Parts of a decomposed MSGuidDecl.
OverloadCandidate - A single candidate in an overload set (C++ 13.3).
ReferenceConversions
The conversions that would be performed on an lvalue of type T2 when binding a reference of type T1 t...
Information about a template-id annotation token.
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.
IdentifierInfo * Name
FIXME: Temporarily stores the name of a specialization.
StandardConversionSequence Before
Represents the standard conversion that occurs before the actual user-defined conversion.
FunctionDecl * ConversionFunction
ConversionFunction - The function that will perform the user-defined conversion.
bool HadMultipleCandidates
HadMultipleCandidates - When this is true, it means that the conversion function was resolved from an...
StandardConversionSequence After
After - Represents the standard conversion that occurs after the actual user-defined conversion.
bool EllipsisConversion
EllipsisConversion - When this is true, it means user-defined conversion sequence starts with a ....
DeclAccessPair FoundConversionFunction
The declaration that we found via name lookup, which might be the same as ConversionFunction or it mi...