47#include "llvm/ADT/APInt.h"
48#include "llvm/ADT/STLExtras.h"
49#include "llvm/ADT/STLForwardCompat.h"
50#include "llvm/ADT/StringExtras.h"
51#include "llvm/Support/ErrorHandling.h"
52#include "llvm/Support/TypeSize.h"
86 llvm_unreachable(
"Nested name specifier is not a type for inheriting ctor");
100 "not a constructor name");
122 auto *RD = dyn_cast<CXXRecordDecl>(ND);
123 if (RD && RD->isInjectedClassName()) {
124 InjectedClassName = RD;
128 if (!InjectedClassName) {
133 diag::err_incomplete_nested_name_spec) << CurClass << SS.
getRange();
148 bool EnteringContext) {
194 auto IsAcceptableResult = [&](
NamedDecl *D) ->
bool {
195 auto *
Type = dyn_cast<TypeDecl>(D->getUnderlyingDecl());
206 unsigned NumAcceptableResults = 0;
208 if (IsAcceptableResult(D))
209 ++NumAcceptableResults;
214 if (
auto *RD = dyn_cast<CXXRecordDecl>(D))
215 if (RD->isInjectedClassName())
216 D = cast<NamedDecl>(RD->getParent());
218 if (FoundDeclSet.insert(D).second)
219 FoundDecls.push_back(D);
227 if (Found.isAmbiguous() && NumAcceptableResults == 1) {
228 Diag(NameLoc, diag::ext_dtor_name_ambiguous);
238 if (!IsAcceptableResult(D))
244 if (Found.isAmbiguous())
248 if (IsAcceptableResult(
Type)) {
260 bool IsDependent =
false;
262 auto LookupInObjectType = [&]() ->
ParsedType {
263 if (Failed || SearchType.
isNull())
273 return CheckLookupResult(Found);
291 return CheckLookupResult(Found);
300 return CheckLookupResult(Found);
347 if (
ParsedType T = LookupInNestedNameSpec(PrefixSS))
377 unsigned NumNonExtensionDecls = FoundDecls.size();
401 Diag(SS.
getEndLoc(), diag::ext_qualified_dtor_named_in_lexical_scope)
403 Diag(FoundDecls.back()->getLocation(), diag::note_destructor_type_here)
414 FoundDecls.resize(NumNonExtensionDecls);
417 std::stable_sort(FoundDecls.begin(), FoundDecls.end(),
419 return isa<TypeDecl>(A->getUnderlyingDecl()) >
420 isa<TypeDecl>(B->getUnderlyingDecl());
424 auto MakeFixItHint = [&]{
430 Destroyed = dyn_cast_or_null<CXXRecordDecl>(S->getEntity());
437 if (FoundDecls.empty()) {
439 Diag(NameLoc, diag::err_undeclared_destructor_name)
440 << &II << MakeFixItHint();
441 }
else if (!SearchType.
isNull() && FoundDecls.size() == 1) {
442 if (
auto *TD = dyn_cast<TypeDecl>(FoundDecls[0]->getUnderlyingDecl())) {
443 assert(!SearchType.
isNull() &&
444 "should only reject a type result if we have a search type");
446 Diag(NameLoc, diag::err_destructor_expr_type_mismatch)
447 <<
T << SearchType << MakeFixItHint();
449 Diag(NameLoc, diag::err_destructor_expr_nontype)
450 << &II << MakeFixItHint();
453 Diag(NameLoc, SearchType.
isNull() ? diag::err_destructor_name_nontype
454 : diag::err_destructor_expr_mismatch)
455 << &II << SearchType << MakeFixItHint();
459 if (
auto *TD = dyn_cast<TypeDecl>(FoundD->getUnderlyingDecl()))
460 Diag(FoundD->getLocation(), diag::note_destructor_type_here)
463 Diag(FoundD->getLocation(), diag::note_destructor_nontype_here)
481 "unexpected type in getDestructorType");
510 Name.getSourceRange(),
511 (StringRef(
"operator\"\"") + II->
getName()).str());
513 Diag(
Loc, diag::warn_reserved_extern_symbol)
514 << II << static_cast<int>(Status) << Hint;
516 Diag(
Loc, diag::warn_deprecated_literal_operator_id) << II << Hint;
532 Diag(Name.getBeginLoc(), diag::err_literal_operator_id_outside_namespace)
543 llvm_unreachable(
"unknown nested name specifier kind");
565 return ExprError(
Diag(TypeidLoc, diag::err_variably_modified_typeid) <<
T);
579 bool WasEvaluated =
false;
589 CXXRecordDecl *RecordD = cast<CXXRecordDecl>(RecordT->getDecl());
635 return ExprError(
Diag(TypeidLoc, diag::err_variably_modified_typeid)
642 ? diag::warn_side_effects_typeid
643 : diag::warn_side_effects_unevaluated_context);
656 return ExprError(
Diag(OpLoc, diag::err_openclcxx_not_supported)
662 return ExprError(
Diag(OpLoc, diag::err_need_header_before_typeid));
676 return ExprError(
Diag(OpLoc, diag::err_need_header_before_typeid));
680 return ExprError(
Diag(OpLoc, diag::err_no_typeid_with_fno_rtti));
704 if (
auto *CTE = dyn_cast<CXXTypeidExpr>(
Result.get()))
705 if (CTE->isPotentiallyEvaluated() && !CTE->isMostDerived(
Context))
706 Diag(OpLoc, diag::warn_no_typeid_with_rtti_disabled)
728 if (
const auto *Uuid = TD->getMostRecentDecl()->getAttr<UuidAttr>()) {
729 UuidAttrs.insert(Uuid);
734 if (
const auto *CTSD = dyn_cast<ClassTemplateSpecializationDecl>(TD)) {
737 const UuidAttr *UuidForTA =
nullptr;
744 UuidAttrs.insert(UuidForTA);
755 if (!Operand->getType()->isDependentType()) {
758 if (UuidAttrs.empty())
759 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_without_guid));
760 if (UuidAttrs.size() > 1)
761 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids));
762 Guid = UuidAttrs.back()->getGuidDecl();
780 if (UuidAttrs.empty())
781 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_without_guid));
782 if (UuidAttrs.size() > 1)
783 return ExprError(
Diag(TypeidLoc, diag::err_uuidof_with_multiple_guids));
784 Guid = UuidAttrs.back()->getGuidDecl();
820 assert((Kind == tok::kw_true || Kind == tok::kw_false) &&
821 "Unknown C++ Boolean value!");
835 bool IsThrownVarInScope =
false;
848 if (
const auto *DRE = dyn_cast<DeclRefExpr>(Ex->
IgnoreParens()))
849 if (
const auto *Var = dyn_cast<VarDecl>(DRE->getDecl());
850 Var && Var->hasLocalStorage() &&
851 !Var->getType().isVolatileQualified()) {
852 for (; S; S = S->getParent()) {
853 if (S->isDeclScope(Var)) {
854 IsThrownVarInScope =
true;
871 bool IsThrownVarInScope) {
873 const bool IsOpenMPGPUTarget =
874 getLangOpts().OpenMPIsTargetDevice && (
T.isNVPTX() ||
T.isAMDGCN());
877 if (!IsOpenMPGPUTarget && !
getLangOpts().CXXExceptions &&
880 targetDiag(OpLoc, diag::err_exceptions_disabled) <<
"throw";
884 if (IsOpenMPGPUTarget)
885 targetDiag(OpLoc, diag::warn_throw_not_valid_on_target) <<
T.str();
890 <<
"throw" << llvm::to_underlying(
CUDA().CurrentTarget());
893 Diag(OpLoc, diag::err_omp_simd_region_cannot_use_stmt) <<
"throw";
898 Diag(OpLoc, diag::err_acc_branch_in_out_compute_construct)
942 llvm::DenseMap<CXXRecordDecl *, unsigned> &SubobjectsSeen,
943 llvm::SmallPtrSetImpl<CXXRecordDecl *> &VBases,
944 llvm::SetVector<CXXRecordDecl *> &PublicSubobjectsSeen,
945 bool ParentIsPublic) {
947 CXXRecordDecl *BaseDecl = BS.getType()->getAsCXXRecordDecl();
952 NewSubobject = VBases.insert(BaseDecl).second;
957 ++SubobjectsSeen[BaseDecl];
960 bool PublicPath = ParentIsPublic && BS.getAccessSpecifier() ==
AS_public;
962 PublicSubobjectsSeen.insert(BaseDecl);
972 llvm::DenseMap<CXXRecordDecl *, unsigned> SubobjectsSeen;
973 llvm::SmallSet<CXXRecordDecl *, 2> VBases;
974 llvm::SetVector<CXXRecordDecl *> PublicSubobjectsSeen;
975 SubobjectsSeen[RD] = 1;
976 PublicSubobjectsSeen.insert(RD);
980 for (
CXXRecordDecl *PublicSubobject : PublicSubobjectsSeen) {
982 if (SubobjectsSeen[PublicSubobject] > 1)
985 Objects.push_back(PublicSubobject);
995 bool isPointer =
false;
1015 isPointer ? diag::err_throw_incomplete_ptr
1016 : diag::err_throw_incomplete,
1026 diag::err_throw_abstract_type, E))
1048 PDiag(diag::err_access_dtor_exception) << Ty);
1064 for (
CXXRecordDecl *Subobject : UnambiguousPublicSubobjects) {
1091 for (
unsigned I = 1, E = CD->
getNumParams(); I != E; ++I) {
1105 if (ExnObjAlign < TypeAlign) {
1106 Diag(ThrowLoc, diag::warn_throw_underaligned_obj);
1107 Diag(ThrowLoc, diag::note_throw_underaligned_obj)
1112 if (!isPointer &&
getLangOpts().AssumeNothrowExceptionDtor) {
1114 auto Ty = Dtor->getType();
1118 Diag(ThrowLoc, diag::err_throw_object_throwing_dtor) << RD;
1170 for (
int I = FunctionScopes.size();
1171 I-- && isa<LambdaScopeInfo>(FunctionScopes[I]) &&
1173 cast<LambdaScopeInfo>(FunctionScopes[I])->CallOperator);
1175 CurLSI = cast<LambdaScopeInfo>(FunctionScopes[I]);
1182 if (
C.isCopyCapture()) {
1194 "While computing 'this' capture-type for a generic lambda, when we "
1195 "run out of enclosing LSI's, yet the enclosing DC is a "
1196 "lambda-call-operator we must be (i.e. Current LSI) in a generic "
1197 "lambda call oeprator");
1200 auto IsThisCaptured =
1205 if (
C.capturesThis()) {
1216 bool IsByCopyCapture =
false;
1217 bool IsConstCapture =
false;
1220 IsThisCaptured(Closure, IsByCopyCapture, IsConstCapture)) {
1221 if (IsByCopyCapture) {
1239 if (method && method->isImplicitObjectMemberFunction())
1240 ThisTy = method->getThisType().getNonReferenceType();
1268 : S(S), OldCXXThisTypeOverride(S.CXXThisTypeOverride), Enabled(
false)
1270 if (!Enabled || !ContextDecl)
1275 Record = Template->getTemplatedDecl();
1277 Record = cast<CXXRecordDecl>(ContextDecl);
1285 this->Enabled =
true;
1302 Sema.
Diag(DiagLoc, diag::note_lambda_this_capture_fixit)
1308 bool BuildAndDiagnose,
const unsigned *
const FunctionScopeIndexToStopAt,
1309 const bool ByCopy) {
1314 assert((!ByCopy || Explicit) &&
"cannot implicitly capture *this by value");
1316 const int MaxFunctionScopesIndex = FunctionScopeIndexToStopAt
1317 ? *FunctionScopeIndexToStopAt
1343 unsigned NumCapturingClosures = 0;
1344 for (
int idx = MaxFunctionScopesIndex; idx >= 0; idx--) {
1347 if (CSI->CXXThisCaptureIndex != 0) {
1349 CSI->Captures[CSI->CXXThisCaptureIndex - 1].markUsed(BuildAndDiagnose);
1355 if (BuildAndDiagnose) {
1357 Diag(
Loc, diag::err_this_capture)
1358 << (Explicit && idx == MaxFunctionScopesIndex);
1368 (Explicit && idx == MaxFunctionScopesIndex)) {
1374 NumCapturingClosures++;
1378 if (BuildAndDiagnose) {
1380 Diag(
Loc, diag::err_this_capture)
1381 << (Explicit && idx == MaxFunctionScopesIndex);
1389 if (!BuildAndDiagnose)
return false;
1402 "Only a lambda can capture the enclosing object (referred to by "
1405 for (
int idx = MaxFunctionScopesIndex; NumCapturingClosures;
1406 --idx, --NumCapturingClosures) {
1413 bool isNested = NumCapturingClosures > 1;
1447 if (
const auto *Method = dyn_cast<CXXMethodDecl>(DC);
1448 Method && Method->isExplicitObjectMemberFunction()) {
1449 Diag(
Loc, diag::err_invalid_this_use) << 1;
1451 Diag(
Loc, diag::err_invalid_this_use) << 1;
1453 Diag(
Loc, diag::err_invalid_this_use) << 0;
1467 if (This->isTypeDependent())
1472 auto IsDependent = [&]() {
1474 auto *LSI = dyn_cast<sema::LambdaScopeInfo>(
Scope);
1478 if (LSI->Lambda && !LSI->Lambda->Encloses(
CurContext) &&
1479 LSI->AfterParameterList)
1486 if (LSI->isCXXThisCaptured()) {
1487 if (!LSI->getCXXThisCapture().isCopyCapture())
1490 const auto *MD = LSI->CallOperator;
1491 if (MD->getType().isNull())
1495 return Ty && MD->isExplicitObjectMemberFunction() &&
1502 This->setCapturedByCopyInLambdaWithExplicitObjectParameter(IsDependent);
1526 bool ListInitialization) {
1536 RParenOrBraceLoc, ListInitialization);
1540 if (!
Result.isInvalid() &&
Result.get()->isInstantiationDependent() &&
1541 !
Result.get()->isTypeDependent())
1543 else if (
Result.isInvalid())
1545 RParenOrBraceLoc, exprs, Ty);
1554 bool ListInitialization) {
1558 assert((!ListInitialization || Exprs.size() == 1) &&
1559 "List initialization must have exactly one expression.");
1566 ? ListInitialization
1568 TyBeginLoc, LParenOrBraceLoc, RParenOrBraceLoc)
1582 isa<DeducedTemplateSpecializationType>(Deduced)) {
1588 }
else if (Deduced && !Deduced->
isDeduced()) {
1590 if (ListInitialization) {
1591 auto *ILE = cast<InitListExpr>(Exprs[0]);
1592 Inits =
MultiExprArg(ILE->getInits(), ILE->getNumInits());
1596 return ExprError(
Diag(TyBeginLoc, diag::err_auto_expr_init_no_expression)
1597 << Ty << FullRange);
1598 if (Inits.size() > 1) {
1599 Expr *FirstBad = Inits[1];
1601 diag::err_auto_expr_init_multiple_expressions)
1602 << Ty << FullRange);
1606 Diag(TyBeginLoc, diag::warn_cxx20_compat_auto_expr) << FullRange;
1608 Expr *Deduce = Inits[0];
1609 if (isa<InitListExpr>(Deduce))
1612 << ListInitialization << Ty << FullRange);
1619 return ExprError(
Diag(TyBeginLoc, diag::err_auto_expr_deduction_failure)
1620 << Ty << Deduce->
getType() << FullRange
1634 RParenOrBraceLoc, ListInitialization);
1640 if (Exprs.size() == 1 && !ListInitialization &&
1641 !isa<InitListExpr>(Exprs[0])) {
1642 Expr *Arg = Exprs[0];
1650 if (!ListInitialization)
1651 return ExprError(
Diag(TyBeginLoc, diag::err_value_init_for_array_type)
1661 return ExprError(
Diag(TyBeginLoc, diag::err_init_for_function_type)
1662 << Ty << FullRange);
1669 diag::err_invalid_incomplete_type_use, FullRange))
1682 Inner = BTE->getSubExpr();
1683 if (
auto *CE = dyn_cast<ConstantExpr>(Inner);
1684 CE && CE->isImmediateInvocation())
1685 Inner = CE->getSubExpr();
1686 if (!isa<CXXTemporaryObjectExpr>(Inner) &&
1687 !isa<CXXScalarValueInitExpr>(Inner)) {
1699 :
SourceRange(LParenOrBraceLoc, RParenOrBraceLoc);
1721 for (
const auto *D : R) {
1722 if (
const auto *FD = dyn_cast<FunctionDecl>(D)) {
1739 return llvm::none_of(PreventedBy, [&](
const FunctionDecl *FD) {
1741 "Only single-operand functions should be in PreventedBy");
1756 unsigned UsualParams = 1;
1758 if (S.
getLangOpts().SizedDeallocation && UsualParams < FD->getNumParams() &&
1764 if (S.
getLangOpts().AlignedAllocation && UsualParams < FD->getNumParams() &&
1774 struct UsualDeallocFnInfo {
1775 UsualDeallocFnInfo() : Found(), FD(nullptr) {}
1777 : Found(Found), FD(dyn_cast<
FunctionDecl>(Found->getUnderlyingDecl())),
1783 unsigned NumBaseParams = 1;
1784 if (FD->isDestroyingOperatorDelete()) {
1789 if (NumBaseParams < FD->getNumParams() &&
1791 FD->getParamDecl(NumBaseParams)->getType(),
1797 if (NumBaseParams < FD->getNumParams() &&
1798 FD->getParamDecl(NumBaseParams)->getType()->isAlignValT()) {
1800 HasAlignValT =
true;
1809 explicit operator bool()
const {
return FD; }
1811 bool isBetterThan(
const UsualDeallocFnInfo &
Other,
bool WantSize,
1812 bool WantAlign)
const {
1816 if (Destroying !=
Other.Destroying)
1823 if (HasAlignValT !=
Other.HasAlignValT)
1824 return HasAlignValT == WantAlign;
1826 if (HasSizeT !=
Other.HasSizeT)
1827 return HasSizeT == WantSize;
1830 return CUDAPref >
Other.CUDAPref;
1835 bool Destroying, HasSizeT, HasAlignValT;
1855 UsualDeallocFnInfo Best;
1857 for (
auto I = R.
begin(), E = R.
end(); I != E; ++I) {
1858 UsualDeallocFnInfo Info(S, I.getPair());
1866 BestFns->push_back(Info);
1870 if (Best.isBetterThan(Info, WantSize, WantAlign))
1875 if (BestFns && Info.isBetterThan(Best, WantSize, WantAlign))
1880 BestFns->push_back(Info);
1894 if (!record)
return false;
1907 if (ops.
empty())
return false;
1919 return Best && Best.HasSizeT;
1943 std::optional<Expr *> ArraySize;
1969 if (
Expr *NumElts = (
Expr *)Array.NumElts) {
1970 if (!NumElts->isTypeDependent() && !NumElts->isValueDependent()) {
1985 NumElts,
nullptr, diag::err_new_array_nonconst,
AllowFold)
2002 DirectInitRange = List->getSourceRange();
2005 PlacementLParen, PlacementArgs, PlacementRParen,
2006 TypeIdParens, AllocType, TInfo, ArraySize, DirectInitRange,
2015 return IsCPlusPlus20 || PLE->getNumExprs() == 0;
2016 if (isa<ImplicitValueInitExpr>(
Init))
2019 return !CCE->isListInitialization() &&
2020 CCE->getConstructor()->isDefaultConstructor();
2022 assert(isa<InitListExpr>(
Init) &&
2023 "Shouldn't create list CXXConstructExprs for arrays.");
2035 std::optional<unsigned> AlignmentParam;
2048 StringRef OSName = AvailabilityAttr::getPlatformNameSourceSpelling(
2053 bool IsDelete = Kind == OO_Delete || Kind == OO_Array_Delete;
2054 Diag(
Loc, diag::err_aligned_allocation_unavailable)
2056 << OSVersion.getAsString() << OSVersion.empty();
2057 Diag(
Loc, diag::note_silence_aligned_allocation_unavailable);
2067 std::optional<Expr *> ArraySize,
2073 if (DirectInitRange.
isValid()) {
2074 assert(
Initializer &&
"Have parens but no initializer.");
2081 "Initializer expression that cannot have been implicitly created.");
2088 "paren init for non-call init");
2089 Exprs =
MultiExprArg(List->getExprs(), List->getNumExprs());
2096 switch (InitStyle) {
2107 DirectInitRange.
getEnd());
2113 llvm_unreachable(
"Unknown initialization kind");
2118 if (Deduced && !Deduced->isDeduced() &&
2119 isa<DeducedTemplateSpecializationType>(Deduced)) {
2122 Diag(*ArraySize ? (*ArraySize)->getExprLoc() : TypeRange.
getBegin(),
2123 diag::err_deduced_class_template_compound_type)
2125 << (*ArraySize ? (*ArraySize)->getSourceRange() : TypeRange));
2130 AllocTypeInfo, Entity, Kind, Exprs);
2133 }
else if (Deduced && !Deduced->isDeduced()) {
2137 auto *ILE = cast<InitListExpr>(Exprs[0]);
2138 Inits =
MultiExprArg(ILE->getInits(), ILE->getNumInits());
2142 return ExprError(
Diag(StartLoc, diag::err_auto_new_requires_ctor_arg)
2143 << AllocType << TypeRange);
2144 if (Inits.size() > 1) {
2145 Expr *FirstBad = Inits[1];
2147 diag::err_auto_new_ctor_multiple_expressions)
2148 << AllocType << TypeRange);
2152 << AllocType << TypeRange;
2153 Expr *Deduce = Inits[0];
2154 if (isa<InitListExpr>(Deduce))
2157 << Braced << AllocType << TypeRange);
2164 return ExprError(
Diag(StartLoc, diag::err_auto_new_deduction_failure)
2165 << AllocType << Deduce->
getType() << TypeRange
2182 AllocType = Array->getElementType();
2202 if (ArraySize && *ArraySize &&
2203 (*ArraySize)->getType()->isNonOverloadPlaceholderType()) {
2206 ArraySize = result.
get();
2215 std::optional<uint64_t> KnownArraySize;
2216 if (ArraySize && *ArraySize && !(*ArraySize)->isTypeDependent()) {
2225 (*ArraySize)->getType()->getAs<
RecordType>())
2227 Diag(StartLoc, diag::warn_cxx98_compat_array_size_conversion)
2228 << (*ArraySize)->getType() << 0 <<
"'size_t'";
2235 SizeConvertDiagnoser(
Expr *ArraySize)
2237 ArraySize(ArraySize) {}
2241 return S.
Diag(
Loc, diag::err_array_size_not_integral)
2247 return S.
Diag(
Loc, diag::err_array_size_incomplete_type)
2253 return S.
Diag(
Loc, diag::err_array_size_explicit_conversion) <<
T << ConvTy;
2264 return S.
Diag(
Loc, diag::err_array_size_ambiguous_conversion) <<
T;
2278 ? diag::warn_cxx98_compat_array_size_conversion
2279 : diag::ext_array_size_conversion)
2282 } SizeDiagnoser(*ArraySize);
2290 ArraySize = ConvertedSize.
get();
2291 QualType SizeType = (*ArraySize)->getType();
2309 if (std::optional<llvm::APSInt>
Value =
2310 (*ArraySize)->getIntegerConstantExpr(
Context)) {
2311 if (
Value->isSigned() &&
Value->isNegative()) {
2313 diag::err_typecheck_negative_array_size)
2314 << (*ArraySize)->getSourceRange());
2318 unsigned ActiveSizeBits =
2322 Diag((*ArraySize)->getBeginLoc(), diag::err_array_too_large)
2326 KnownArraySize =
Value->getZExtValue();
2327 }
else if (TypeIdParens.
isValid()) {
2329 Diag((*ArraySize)->getBeginLoc(), diag::ext_new_paren_array_nonconst)
2330 << (*ArraySize)->getSourceRange()
2343 unsigned Alignment =
2346 bool PassAlignment =
getLangOpts().AlignedAllocation &&
2347 Alignment > NewAlignment;
2357 AllocType, ArraySize.has_value(), PassAlignment, PlacementArgs,
2358 OperatorNew, OperatorDelete))
2363 bool UsualArrayDeleteWantsSize =
false;
2365 UsualArrayDeleteWantsSize =
2378 unsigned NumImplicitArgs = PassAlignment ? 2 : 1;
2380 NumImplicitArgs, PlacementArgs, AllPlaceArgs,
2384 if (!AllPlaceArgs.empty())
2385 PlacementArgs = AllPlaceArgs;
2395 llvm::APInt SingleEltSize(
2399 std::optional<llvm::APInt> AllocationSize;
2402 AllocationSize = SingleEltSize;
2406 AllocationSize = llvm::APInt(SizeTyWidth, *KnownArraySize)
2407 .umul_ov(SingleEltSize, Overflow);
2411 "Expected that all the overflows would have been handled already.");
2415 Context, AllocationSize.value_or(llvm::APInt::getZero(SizeTyWidth)),
2434 CK_IntegralCast, &AlignmentLiteral,
2439 CallArgs.reserve(NumImplicitArgs + PlacementArgs.size());
2440 CallArgs.emplace_back(AllocationSize
2441 ?
static_cast<Expr *
>(&AllocationSizeLiteral)
2442 : &OpaqueAllocationSize);
2444 CallArgs.emplace_back(&DesiredAlignment);
2445 CallArgs.insert(CallArgs.end(), PlacementArgs.begin(), PlacementArgs.end());
2449 checkCall(OperatorNew, Proto,
nullptr, CallArgs,
2450 false, StartLoc,
Range, CallType);
2454 if (PlacementArgs.empty() && !PassAlignment &&
2458 if (Alignment > NewAlignment)
2459 Diag(StartLoc, diag::warn_overaligned_type)
2471 SourceRange InitRange(Exprs.front()->getBeginLoc(),
2472 Exprs.back()->getEndLoc());
2473 Diag(StartLoc, diag::err_new_array_init_args) << InitRange;
2493 InitType = AllocType;
2506 dyn_cast_or_null<CXXBindTemporaryExpr>(FullInit.
get()))
2507 FullInit = Binder->getSubExpr();
2514 if (ArraySize && !*ArraySize) {
2522 Diag(TypeRange.
getEnd(), diag::err_new_array_size_unknown_from_init)
2534 if (OperatorDelete) {
2541 PassAlignment, UsualArrayDeleteWantsSize,
2542 PlacementArgs, TypeIdParens, ArraySize, InitStyle,
2554 return Diag(
Loc, diag::err_bad_new_type)
2555 << AllocType << 0 << R;
2557 return Diag(
Loc, diag::err_bad_new_type)
2558 << AllocType << 1 << R;
2561 Loc, AllocType, diag::err_new_incomplete_or_sizeless_type, R))
2564 diag::err_allocation_of_abstract_type))
2567 return Diag(
Loc, diag::err_variably_modified_new_type)
2571 return Diag(
Loc, diag::err_address_space_qualified_new)
2579 return Diag(
Loc, diag::err_arc_new_array_without_ownership)
2594 Alloc != AllocEnd; ++Alloc) {
2631 if (PassAlignment) {
2632 PassAlignment =
false;
2634 Args.erase(Args.begin() + 1);
2636 Operator, &Candidates, AlignArg,
2662 (Args[1]->getType()->isObjectPointerType() ||
2663 Args[1]->getType()->isArrayType())) {
2664 S.
Diag(R.
getNameLoc(), diag::err_need_header_before_placement_new)
2679 if (AlignedCandidates) {
2681 return C.Function->getNumParams() > 1 &&
2682 C.Function->getParamDecl(1)->getType()->isAlignValT();
2686 AlignedArgs.reserve(Args.size() + 1);
2687 AlignedArgs.push_back(Args[0]);
2688 AlignedArgs.push_back(AlignArg);
2689 AlignedArgs.append(Args.begin() + 1, Args.end());
2702 if (AlignedCandidates)
2703 AlignedCandidates->
NoteCandidates(S, AlignedArgs, AlignedCands,
"",
2713 S.
PDiag(diag::err_ovl_ambiguous_call)
2722 Candidates, Best->Function, Args);
2726 llvm_unreachable(
"Unreachable, bad result from BestViableFunction");
2748 AllocArgs.reserve((PassAlignment ? 2 : 1) + PlaceArgs.size());
2758 AllocArgs.push_back(&Size);
2761 if (PassAlignment) {
2767 AllocArgs.push_back(&Align);
2769 AllocArgs.insert(AllocArgs.end(), PlaceArgs.begin(), PlaceArgs.end());
2778 IsArray ? OO_Array_New : OO_New);
2810 if (PlaceArgs.empty()) {
2811 Diag(StartLoc, diag::err_openclcxx_not_supported) <<
"default new";
2813 Diag(StartLoc, diag::err_openclcxx_placement_new);
2818 assert(!R.
empty() &&
"implicitly declared allocation functions not found");
2819 assert(!R.
isAmbiguous() &&
"global allocation functions are ambiguous");
2825 OperatorNew,
nullptr,
2832 OperatorDelete =
nullptr;
2867 while (Filter.hasNext()) {
2868 auto *FD = dyn_cast<FunctionDecl>(Filter.next()->getUnderlyingDecl());
2869 if (FD && FD->isDestroyingOperatorDelete())
2875 bool FoundGlobalDelete = FoundDelete.
empty();
2876 if (FoundDelete.
empty()) {
2903 bool isPlacementNew = !PlaceArgs.empty() || OperatorNew->
param_size() != 1 ||
2906 if (isPlacementNew) {
2923 for (
unsigned I = 1, N = Proto->getNumParams(); I < N; ++I)
2924 ArgTypes.push_back(Proto->getParamType(I));
2928 EPI.
Variadic = Proto->isVariadic();
2930 ExpectedFunctionType
2935 DEnd = FoundDelete.
end();
2939 dyn_cast<FunctionTemplateDecl>((*D)->getUnderlyingDecl())) {
2947 Fn = cast<FunctionDecl>((*D)->getUnderlyingDecl());
2950 ExpectedFunctionType,
2952 ExpectedFunctionType))
2953 Matches.push_back(std::make_pair(D.getPair(), Fn));
2969 *
this, FoundDelete, FoundGlobalDelete,
2973 Matches.push_back(std::make_pair(Selected.Found, Selected.FD));
2977 for (
auto Fn : BestDeallocFns)
2978 Matches.push_back(std::make_pair(Fn.Found, Fn.FD));
2986 if (Matches.size() == 1) {
2987 OperatorDelete = Matches[0].second;
2997 UsualDeallocFnInfo Info(*
this,
3003 bool IsSizedDelete = Info.HasSizeT;
3004 if (IsSizedDelete && !FoundGlobalDelete) {
3005 auto NonSizedDelete =
3008 if (NonSizedDelete && !NonSizedDelete.HasSizeT &&
3009 NonSizedDelete.HasAlignValT == Info.HasAlignValT)
3010 IsSizedDelete =
false;
3013 if (IsSizedDelete) {
3017 PlaceArgs.back()->getEndLoc());
3018 Diag(StartLoc, diag::err_placement_new_non_placement_delete) << R;
3027 }
else if (!Matches.empty()) {
3031 Diag(StartLoc, diag::warn_ambiguous_suitable_delete_function_found)
3032 << DeleteName << AllocElemType;
3034 for (
auto &Match : Matches)
3035 Diag(Match.second->getLocation(),
3036 diag::note_member_declared_here) << DeleteName;
3123 if (TheGlobalModuleFragment) {
3138 if (TheGlobalModuleFragment) {
3139 AlignValT->setModuleOwnershipKind(
3141 AlignValT->setLocalOwningModule(TheGlobalModuleFragment);
3146 AlignValT->setImplicit(
true);
3159 Params.push_back(Param);
3162 bool HasSizedVariant =
getLangOpts().SizedDeallocation &&
3163 (Kind == OO_Delete || Kind == OO_Array_Delete);
3164 bool HasAlignedVariant =
getLangOpts().AlignedAllocation;
3166 int NumSizeVariants = (HasSizedVariant ? 2 : 1);
3167 int NumAlignVariants = (HasAlignedVariant ? 2 : 1);
3168 for (
int Sized = 0; Sized < NumSizeVariants; ++Sized) {
3170 Params.push_back(SizeT);
3172 for (
int Aligned = 0; Aligned < NumAlignVariants; ++Aligned) {
3185 DeclareGlobalAllocationFunctions(OO_New, VoidPtr, SizeT);
3186 DeclareGlobalAllocationFunctions(OO_Array_New, VoidPtr, SizeT);
3187 DeclareGlobalAllocationFunctions(OO_Delete,
Context.
VoidTy, VoidPtr);
3188 DeclareGlobalAllocationFunctions(OO_Array_Delete,
Context.
VoidTy, VoidPtr);
3191 PopGlobalModuleFragment();
3204 Alloc != AllocEnd; ++Alloc) {
3208 if (
Func->getNumParams() == Params.size()) {
3210 for (
auto *
P :
Func->parameters())
3211 FuncParams.push_back(
3217 Func->setVisibleDespiteOwningModule();
3225 false,
false,
true));
3228 bool HasBadAllocExceptionSpec
3229 = (Name.getCXXOverloadedOperator() == OO_New ||
3230 Name.getCXXOverloadedOperator() == OO_Array_New);
3231 if (HasBadAllocExceptionSpec) {
3234 assert(
StdBadAlloc &&
"Must have std::bad_alloc declared");
3246 auto CreateAllocationFunctionDecl = [&](
Attr *ExtraAttr) {
3256 if (HasBadAllocExceptionSpec &&
getLangOpts().NewInfallible &&
3271 if (TheGlobalModuleFragment) {
3278 Alloc->
addAttr(VisibilityAttr::CreateImplicit(
3280 ? VisibilityAttr::Hidden
3282 ? VisibilityAttr::Protected
3283 : VisibilityAttr::Default));
3290 ParamDecls.back()->setImplicit();
3292 Alloc->setParams(ParamDecls);
3301 CreateAllocationFunctionDecl(
nullptr);
3305 CreateAllocationFunctionDecl(CUDAHostAttr::CreateImplicit(
Context));
3306 CreateAllocationFunctionDecl(CUDADeviceAttr::CreateImplicit(
Context));
3311 bool CanProvideSize,
3325 assert(
Result.FD &&
"operator delete missing from global scope?");
3337 return OperatorDelete;
3349 bool WantSize,
bool WantAligned) {
3367 Overaligned, &Matches);
3370 if (Matches.size() == 1) {
3371 Operator = cast<CXXMethodDecl>(Matches[0].FD);
3377 Diag(StartLoc, diag::err_deleted_function_use)
3378 << (Msg !=
nullptr) << (Msg ? Msg->
getString() : StringRef());
3394 if (!Matches.empty()) {
3396 Diag(StartLoc, diag::err_ambiguous_suitable_delete_member_function_found)
3398 for (
auto &Match : Matches)
3399 Diag(Match.FD->getLocation(), diag::note_member_declared_here) << Name;
3406 if (!Found.
empty()) {
3408 Diag(StartLoc, diag::err_no_suitable_delete_member_function_found)
3412 Diag(D->getUnderlyingDecl()->getLocation(),
3413 diag::note_member_declared_here) << Name;
3425class MismatchingNewDeleteDetector {
3427 enum MismatchResult {
3433 MemberInitMismatches,
3442 explicit MismatchingNewDeleteDetector(
bool EndOfTU)
3443 : Field(nullptr), IsArrayForm(
false), EndOfTU(EndOfTU),
3444 HasUndefinedConstructors(
false) {}
3461 MismatchResult analyzeField(
FieldDecl *Field,
bool DeleteWasArrayForm);
3471 bool HasUndefinedConstructors;
3483 MismatchResult analyzeMemberExpr(
const MemberExpr *ME);
3506 MismatchResult analyzeInClassInitializer();
3510MismatchingNewDeleteDetector::MismatchResult
3511MismatchingNewDeleteDetector::analyzeDeleteExpr(
const CXXDeleteExpr *DE) {
3513 assert(DE &&
"Expected delete-expression");
3516 if (
const MemberExpr *ME = dyn_cast<const MemberExpr>(E)) {
3517 return analyzeMemberExpr(ME);
3518 }
else if (
const DeclRefExpr *D = dyn_cast<const DeclRefExpr>(E)) {
3519 if (!hasMatchingVarInit(D))
3520 return VarInitMismatches;
3526MismatchingNewDeleteDetector::getNewExprFromInitListOrExpr(
const Expr *E) {
3527 assert(E !=
nullptr &&
"Expected a valid initializer expression");
3529 if (
const InitListExpr *ILE = dyn_cast<const InitListExpr>(E)) {
3530 if (ILE->getNumInits() == 1)
3531 E = dyn_cast<const CXXNewExpr>(ILE->getInit(0)->IgnoreParenImpCasts());
3534 return dyn_cast_or_null<const CXXNewExpr>(E);
3537bool MismatchingNewDeleteDetector::hasMatchingNewInCtorInit(
3541 (NE = getNewExprFromInitListOrExpr(CI->
getInit()))) {
3542 if (
NE->isArray() == IsArrayForm)
3545 NewExprs.push_back(NE);
3550bool MismatchingNewDeleteDetector::hasMatchingNewInCtor(
3556 HasUndefinedConstructors =
true;
3559 for (
const auto *CI : cast<const CXXConstructorDecl>(
Definition)->inits()) {
3560 if (hasMatchingNewInCtorInit(CI))
3566MismatchingNewDeleteDetector::MismatchResult
3567MismatchingNewDeleteDetector::analyzeInClassInitializer() {
3568 assert(Field !=
nullptr &&
"This should be called only for members");
3569 const Expr *InitExpr =
Field->getInClassInitializer();
3571 return EndOfTU ? NoMismatch : AnalyzeLater;
3572 if (
const CXXNewExpr *NE = getNewExprFromInitListOrExpr(InitExpr)) {
3573 if (
NE->isArray() != IsArrayForm) {
3574 NewExprs.push_back(NE);
3575 return MemberInitMismatches;
3581MismatchingNewDeleteDetector::MismatchResult
3582MismatchingNewDeleteDetector::analyzeField(
FieldDecl *Field,
3583 bool DeleteWasArrayForm) {
3584 assert(Field !=
nullptr &&
"Analysis requires a valid class member.");
3585 this->Field =
Field;
3586 IsArrayForm = DeleteWasArrayForm;
3588 for (
const auto *CD : RD->
ctors()) {
3589 if (hasMatchingNewInCtor(CD))
3592 if (HasUndefinedConstructors)
3593 return EndOfTU ? NoMismatch : AnalyzeLater;
3594 if (!NewExprs.empty())
3595 return MemberInitMismatches;
3596 return Field->hasInClassInitializer() ? analyzeInClassInitializer()
3600MismatchingNewDeleteDetector::MismatchResult
3601MismatchingNewDeleteDetector::analyzeMemberExpr(
const MemberExpr *ME) {
3602 assert(ME !=
nullptr &&
"Expected a member expression");
3604 return analyzeField(F, IsArrayForm);
3608bool MismatchingNewDeleteDetector::hasMatchingVarInit(
const DeclRefExpr *D) {
3611 if (VD->hasInit() && (NE = getNewExprFromInitListOrExpr(VD->getInit())) &&
3612 NE->isArray() != IsArrayForm) {
3613 NewExprs.push_back(NE);
3616 return NewExprs.empty();
3621 const MismatchingNewDeleteDetector &Detector) {
3624 if (!Detector.IsArrayForm)
3633 SemaRef.
Diag(DeleteLoc, diag::warn_mismatched_delete_new)
3634 << Detector.IsArrayForm << H;
3636 for (
const auto *NE : Detector.NewExprs)
3637 SemaRef.
Diag(NE->getExprLoc(), diag::note_allocated_here)
3638 << Detector.IsArrayForm;
3641void Sema::AnalyzeDeleteExprMismatch(
const CXXDeleteExpr *DE) {
3644 MismatchingNewDeleteDetector Detector(
false);
3645 switch (Detector.analyzeDeleteExpr(DE)) {
3646 case MismatchingNewDeleteDetector::VarInitMismatches:
3647 case MismatchingNewDeleteDetector::MemberInitMismatches: {
3651 case MismatchingNewDeleteDetector::AnalyzeLater: {
3656 case MismatchingNewDeleteDetector::NoMismatch:
3662 bool DeleteWasArrayForm) {
3663 MismatchingNewDeleteDetector Detector(
true);
3664 switch (Detector.analyzeField(Field, DeleteWasArrayForm)) {
3665 case MismatchingNewDeleteDetector::VarInitMismatches:
3666 llvm_unreachable(
"This analysis should have been done for class members.");
3667 case MismatchingNewDeleteDetector::AnalyzeLater:
3668 llvm_unreachable(
"Analysis cannot be postponed any point beyond end of "
3669 "translation unit.");
3670 case MismatchingNewDeleteDetector::MemberInitMismatches:
3673 case MismatchingNewDeleteDetector::NoMismatch:
3684 bool ArrayForm,
Expr *ExE) {
3694 bool ArrayFormAsWritten = ArrayForm;
3695 bool UsualArrayDeleteWantsSize =
false;
3713 if (ConvPtrType->getPointeeType()->isIncompleteOrObjectType())
3720 return S.
Diag(
Loc, diag::err_delete_operand) <<
T;
3725 return S.
Diag(
Loc, diag::err_delete_incomplete_class_type) <<
T;
3731 return S.
Diag(
Loc, diag::err_delete_explicit_conversion) <<
T << ConvTy;
3742 return S.
Diag(
Loc, diag::err_ambiguous_delete_operand) <<
T;
3754 llvm_unreachable(
"conversion functions are permitted");
3762 if (!Converter.match(
Type))
3773 diag::err_address_space_qualified_delete)
3782 Diag(StartLoc, diag::ext_delete_void_ptr_operand)
3792 diag::warn_delete_incomplete, Ex.
get())) {
3794 PointeeRD = cast<CXXRecordDecl>(RT->getDecl());
3799 Diag(StartLoc, diag::warn_delete_array_type)
3806 ArrayForm ? OO_Array_Delete : OO_Delete);
3820 UsualArrayDeleteWantsSize =
3825 else if (OperatorDelete && isa<CXXMethodDecl>(OperatorDelete))
3826 UsualArrayDeleteWantsSize =
3827 UsualDeallocFnInfo(*
this,
3846 if (!OperatorDelete) {
3848 Diag(StartLoc, diag::err_openclcxx_not_supported) <<
"default delete";
3853 bool CanProvideSize =
3854 IsComplete && (!ArrayForm || UsualArrayDeleteWantsSize ||
3860 Overaligned, DeleteName);
3867 bool IsVirtualDelete =
false;
3871 PDiag(diag::err_access_dtor) << PointeeElem);
3872 IsVirtualDelete = Dtor->isVirtual();
3901 UsualArrayDeleteWantsSize, OperatorDelete, Ex.
get(), StartLoc);
3902 AnalyzeDeleteExprMismatch(
Result);
3911 IsDelete ? OO_Delete : OO_New);
3915 assert(!R.
empty() &&
"implicitly declared allocation functions not found");
3916 assert(!R.
isAmbiguous() &&
"global allocation functions are ambiguous");
3925 FnOvl != FnOvlEnd; ++FnOvl) {
3928 NamedDecl *D = (*FnOvl)->getUnderlyingDecl();
3952 "class members should not be considered");
3955 S.
Diag(R.
getNameLoc(), diag::err_builtin_operator_new_delete_not_usual)
3956 << (IsDelete ? 1 : 0) <<
Range;
3957 S.
Diag(FnDecl->
getLocation(), diag::note_non_usual_function_declared_here)
3969 S.
PDiag(diag::err_ovl_no_viable_function_in_call)
3977 S.
PDiag(diag::err_ovl_ambiguous_call)
3984 Candidates, Best->Function, Args);
3987 llvm_unreachable(
"Unreachable, bad result from BestViableFunction");
3992 CallExpr *TheCall = cast<CallExpr>(TheCallResult.
get());
3995 << (IsDelete ?
"__builtin_operator_delete" :
"__builtin_operator_new")
4005 OperatorNewOrDelete))
4007 assert(OperatorNewOrDelete &&
"should be found");
4013 for (
unsigned i = 0; i != TheCall->
getNumArgs(); ++i) {
4024 assert(Callee &&
Callee->getCastKind() == CK_BuiltinFnToFnPtr &&
4025 "Callee expected to be implicit cast to a builtin function pointer");
4028 return TheCallResult;
4032 bool IsDelete,
bool CallCanBeVirtual,
4033 bool WarnOnNonAbstractTypes,
4060 Diag(
Loc, diag::warn_delete_abstract_non_virtual_dtor) << (IsDelete ? 0 : 1)
4062 }
else if (WarnOnNonAbstractTypes) {
4065 Diag(
Loc, diag::warn_delete_non_virtual_dtor) << (IsDelete ? 0 : 1)
4069 std::string TypeStr;
4071 Diag(DtorLoc, diag::note_delete_non_virtual)
4101 diag::err_invalid_use_of_function_type)
4105 diag::err_invalid_use_of_array_type)
4123 llvm_unreachable(
"unexpected condition kind");
4150 diag::err_constexpr_if_condition_expression_is_not_constant);
4162 From = Cast->getSubExpr();
4174 if (!ToPtrType->getPointeeType().hasQualifiers()) {
4175 switch (StrLit->getKind()) {
4182 return (ToPointeeType->getKind() == BuiltinType::Char_U ||
4183 ToPointeeType->getKind() == BuiltinType::Char_S);
4188 assert(
false &&
"Unevaluated string literal in expression");
4203 bool HadMultipleCandidates,
4206 default: llvm_unreachable(
"Unhandled cast kind!");
4207 case CK_ConstructorConversion: {
4212 diag::err_allocation_of_abstract_type))
4225 CastLoc, Ty, FoundDecl, cast<CXXConstructorDecl>(Method),
4226 ConstructorArgs, HadMultipleCandidates,
4227 false,
false,
false,
4235 case CK_UserDefinedConversion: {
4245 HadMultipleCandidates);
4250 CK_UserDefinedConversion,
Result.get(),
4251 nullptr,
Result.get()->getValueKind(),
4289 assert(FD &&
"no conversion function for user-defined conversion seq");
4291 CastKind = CK_UserDefinedConversion;
4299 CastKind = CK_ConstructorConversion;
4327 From = CastArg.
get();
4341 PDiag(diag::err_typecheck_ambiguous_condition)
4347 llvm_unreachable(
"bad conversion");
4354 ToType, From->
getType(), From, Action);
4355 assert(Diagnosed &&
"failed to diagnose bad conversion"); (void)Diagnosed;
4395 false,
false,
false,
4402 false,
false,
false,
4435 ToAtomicType = ToType;
4436 ToType = ToAtomic->getValueType();
4439 QualType InitialFromType = FromType;
4441 switch (SCS.
First) {
4444 FromType = FromAtomic->getValueType().getUnqualifiedType();
4457 From = FromRes.
get();
4484 llvm_unreachable(
"Improper first standard conversion");
4521 "only enums with fixed underlying type can promote to bool");
4546 CK = CK_FloatingComplexCast;
4548 CK = CK_FloatingComplexToIntegralComplex;
4550 CK = CK_IntegralComplexToFloatingComplex;
4552 CK = CK_IntegralComplexCast;
4573 "Attempting implicit fixed point conversion without a fixed "
4578 nullptr, CCK).
get();
4582 nullptr, CCK).
get();
4586 nullptr, CCK).
get();
4590 nullptr, CCK).
get();
4594 nullptr, CCK).
get();
4598 nullptr, CCK).
get();
4603 nullptr, CCK).
get();
4612 diag::ext_typecheck_convert_incompatible_pointer)
4617 diag::ext_typecheck_convert_incompatible_pointer)
4624 }
else if (
getLangOpts().allowsNonTrivialObjCLifetimeQualifiers() &&
4625 !
ObjC().CheckObjCARCUnavailableWeakConversion(ToType,
4630 Diag(From->
getBeginLoc(), diag::err_arc_convesion_of_weak_unavailable)
4659 if (Kind == CK_BlockPointerToObjCPointerCast) {
4713 &BasePath, CCK).
get();
4742 QualType ElType = ToComplex->getElementType();
4750 isFloatingComplex ? CK_FloatingCast : CK_FloatingToIntegral).
get();
4754 isFloatingComplex ? CK_IntegralToFloating : CK_IntegralCast).
get();
4758 isFloatingComplex ? CK_FloatingRealToComplex
4759 : CK_IntegralRealToComplex).
get();
4764 QualType ElType = FromComplex->getElementType();
4769 isFloatingComplex ? CK_FloatingComplexToReal
4770 : CK_IntegralComplexToReal,
4779 isFloatingComplex ? CK_FloatingCast
4780 : CK_IntegralToFloating,
4786 isFloatingComplex ? CK_FloatingToIntegral
4802 AddrSpaceL != AddrSpaceR ? CK_AddressSpaceConversion : CK_BitCast;
4815 From = FromRes.
get();
4817 "Improper transparent union conversion");
4825 CK_ZeroToOCLOpaqueType,
4833 "HLSL vector truncation should only apply to ExtVectors");
4836 QualType ElType = FromVec->getElementType();
4854 llvm_unreachable(
"Improper second standard conversion");
4863 "Element conversion for matrix types is not implemented yet.");
4865 "Element conversion is only supported for vector types.");
4868 "Element conversion is only supported for vectors with the same "
4878 FromType = FPExtType;
4892 "only enums with fixed underlying type can promote to bool");
4923 llvm_unreachable(
"Improper element standard conversion");
4927 switch (SCS.
Third) {
4950 CK = CK_AddressSpaceConversion;
4955 CK = CK_AddressSpaceConversion;
4961 << InitialFromType << ToType;
4972 ? diag::ext_deprecated_string_literal_conversion
4973 : diag::warn_deprecated_string_literal_conversion)
4981 llvm_unreachable(
"Improper third standard conversion");
4986 if (!ToAtomicType.
isNull()) {
5022 S.
Diag(
T->getTypeLoc().getBeginLoc(), diag::err_vla_unsupported)
5023 << 1 << TypeTraitID;
5046 default: llvm_unreachable(
"not a UTT");
5048 case UTT_IsCompleteType:
5056 case UTT_IsIntegral:
5057 case UTT_IsFloatingPoint:
5059 case UTT_IsBoundedArray:
5061 case UTT_IsNullPointer:
5062 case UTT_IsReferenceable:
5063 case UTT_IsLvalueReference:
5064 case UTT_IsRvalueReference:
5065 case UTT_IsMemberFunctionPointer:
5066 case UTT_IsMemberObjectPointer:
5068 case UTT_IsScopedEnum:
5071 case UTT_IsFunction:
5072 case UTT_IsReference:
5073 case UTT_IsArithmetic:
5074 case UTT_IsFundamental:
5077 case UTT_IsCompound:
5078 case UTT_IsMemberPointer:
5087 case UTT_IsVolatile:
5089 case UTT_IsUnboundedArray:
5090 case UTT_IsUnsigned:
5093 case UTT_IsInterfaceClass:
5099 case UTT_IsPolymorphic:
5100 case UTT_IsAbstract:
5104 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5113 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5117 case UTT_IsAggregate:
5122 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5127 case UTT_IsTriviallyCopyable:
5128 case UTT_IsStandardLayout:
5133 case UTT_IsTriviallyRelocatable:
5134 case UTT_IsTriviallyEqualityComparable:
5135 case UTT_CanPassInRegs:
5139 case UTT_HasNothrowAssign:
5140 case UTT_HasNothrowMoveAssign:
5141 case UTT_HasNothrowConstructor:
5142 case UTT_HasNothrowCopy:
5143 case UTT_HasTrivialAssign:
5144 case UTT_HasTrivialMoveAssign:
5145 case UTT_HasTrivialDefaultConstructor:
5146 case UTT_HasTrivialMoveConstructor:
5147 case UTT_HasTrivialCopy:
5148 case UTT_HasTrivialDestructor:
5149 case UTT_HasVirtualDestructor:
5155 case UTT_IsDestructible:
5156 case UTT_IsNothrowDestructible:
5157 case UTT_IsTriviallyDestructible:
5158 case UTT_HasUniqueObjectRepresentations:
5163 Loc, ArgTy, diag::err_incomplete_type_used_in_type_trait_expr);
5174 if ((RD->*HasTrivial)() && !(RD->*HasNonTrivial)())
5180 if (
Self.LookupQualifiedName(Res, RD)) {
5181 bool FoundOperator =
false;
5184 Op != OpEnd; ++Op) {
5185 if (isa<FunctionTemplateDecl>(*Op))
5189 if((Operator->*IsDesiredOp)()) {
5190 FoundOperator =
true;
5192 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5197 return FoundOperator;
5206 assert(!
T->
isDependentType() &&
"Cannot evaluate traits of dependent type");
5210 default: llvm_unreachable(
"not a UTT");
5215 case UTT_IsIntegral:
5217 case UTT_IsFloatingPoint:
5222 if (
const auto *CAT =
C.getAsConstantArrayType(
T))
5223 return CAT->getSize() != 0;
5225 case UTT_IsBoundedArray:
5230 if (
const auto *CAT =
C.getAsConstantArrayType(
T))
5231 return CAT->getSize() != 0;
5233 case UTT_IsUnboundedArray:
5239 case UTT_IsNullPointer:
5241 case UTT_IsLvalueReference:
5243 case UTT_IsRvalueReference:
5245 case UTT_IsMemberFunctionPointer:
5247 case UTT_IsMemberObjectPointer:
5251 case UTT_IsScopedEnum:
5257 case UTT_IsFunction:
5262 case UTT_IsReference:
5264 case UTT_IsArithmetic:
5266 case UTT_IsFundamental:
5276 switch (
T.getObjCLifetime()) {
5289 case UTT_IsCompound:
5291 case UTT_IsMemberPointer:
5297 return T.isConstQualified();
5298 case UTT_IsVolatile:
5299 return T.isVolatileQualified();
5301 return T.isTrivialType(
C);
5302 case UTT_IsTriviallyCopyable:
5303 return T.isTriviallyCopyableType(
C);
5304 case UTT_IsStandardLayout:
5307 return T.isPODType(
C);
5314 case UTT_IsPolymorphic:
5318 case UTT_IsAbstract:
5322 case UTT_IsAggregate:
5331 case UTT_IsInterfaceClass:
5336 return RD->
hasAttr<FinalAttr>();
5343 case UTT_IsUnsigned:
5362 case UTT_HasTrivialDefaultConstructor:
5369 if (
CXXRecordDecl *RD =
C.getBaseElementType(
T)->getAsCXXRecordDecl())
5373 case UTT_HasTrivialMoveConstructor:
5379 if (
CXXRecordDecl *RD =
C.getBaseElementType(
T)->getAsCXXRecordDecl())
5382 case UTT_HasTrivialCopy:
5394 case UTT_HasTrivialMoveAssign:
5400 if (
CXXRecordDecl *RD =
C.getBaseElementType(
T)->getAsCXXRecordDecl())
5403 case UTT_HasTrivialAssign:
5416 if (
T.isConstQualified())
5424 case UTT_IsDestructible:
5425 case UTT_IsTriviallyDestructible:
5426 case UTT_IsNothrowDestructible:
5445 if (UTT == UTT_IsTriviallyDestructible &&
T.isDestructedType())
5452 if (
auto *RD =
C.getBaseElementType(
T)->getAsCXXRecordDecl()) {
5463 if (UTT == UTT_IsNothrowDestructible) {
5465 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5472 case UTT_HasTrivialDestructor:
5487 if (
CXXRecordDecl *RD =
C.getBaseElementType(
T)->getAsCXXRecordDecl())
5491 case UTT_HasNothrowAssign:
5499 if (
C.getBaseElementType(
T).isConstQualified())
5512 case UTT_HasNothrowMoveAssign:
5525 case UTT_HasNothrowCopy:
5538 bool FoundConstructor =
false;
5540 for (
const auto *ND :
Self.LookupConstructors(RD)) {
5544 if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl()))
5547 if (isa<UsingDecl>(ND))
5549 auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl());
5550 if (Constructor->isCopyConstructor(FoundTQs)) {
5551 FoundConstructor =
true;
5553 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5563 return FoundConstructor;
5566 case UTT_HasNothrowConstructor:
5574 if (
CXXRecordDecl *RD =
C.getBaseElementType(
T)->getAsCXXRecordDecl()) {
5579 bool FoundConstructor =
false;
5580 for (
const auto *ND :
Self.LookupConstructors(RD)) {
5582 if (isa<FunctionTemplateDecl>(ND->getUnderlyingDecl()))
5585 if (isa<UsingDecl>(ND))
5587 auto *Constructor = cast<CXXConstructorDecl>(ND->getUnderlyingDecl());
5588 if (Constructor->isDefaultConstructor()) {
5589 FoundConstructor =
true;
5591 CPT =
Self.ResolveExceptionSpec(KeyLoc, CPT);
5600 return FoundConstructor;
5603 case UTT_HasVirtualDestructor:
5615 case UTT_IsCompleteType:
5620 case UTT_HasUniqueObjectRepresentations:
5621 return C.hasUniqueObjectRepresentations(
T);
5622 case UTT_IsTriviallyRelocatable:
5623 return T.isTriviallyRelocatableType(
C);
5624 case UTT_IsReferenceable:
5625 return T.isReferenceable();
5626 case UTT_CanPassInRegs:
5629 Self.Diag(KeyLoc, diag::err_builtin_pass_in_regs_non_class) <<
T;
5631 case UTT_IsTriviallyEqualityComparable:
5632 return T.isTriviallyEqualityComparableType(
C);
5641 SourceLocation KeyLoc, llvm::BumpPtrAllocator &OpaqueExprAllocator) {
5682 LhsT =
Self.Context.getRValueReferenceType(LhsT);
5722 if (Kind <=
BTT_Last && Kind != BTT_ReferenceBindsToTemporary &&
5723 Kind != BTT_ReferenceConstructsFromTemporary &&
5724 Kind != BTT_ReferenceConvertsFromTemporary)
5726 Args[1], RParenLoc);
5729 case clang::BTT_ReferenceBindsToTemporary:
5730 case clang::BTT_ReferenceConstructsFromTemporary:
5731 case clang::BTT_ReferenceConvertsFromTemporary:
5732 case clang::TT_IsConstructible:
5733 case clang::TT_IsNothrowConstructible:
5734 case clang::TT_IsTriviallyConstructible: {
5748 assert(!Args.empty());
5753 for (
const auto *TSI : Args) {
5759 diag::err_incomplete_type_used_in_type_trait_expr))
5773 llvm::BumpPtrAllocator OpaqueExprAllocator;
5775 ArgExprs.reserve(Args.size() - 1);
5776 for (
unsigned I = 1, N = Args.size(); I != N; ++I) {
5777 QualType ArgTy = Args[I]->getType();
5796 Kind == clang::BTT_ReferenceConvertsFromTemporary
5807 if (Kind == clang::TT_IsConstructible)
5810 if (Kind == clang::BTT_ReferenceBindsToTemporary ||
5811 Kind == clang::BTT_ReferenceConstructsFromTemporary ||
5812 Kind == clang::BTT_ReferenceConvertsFromTemporary) {
5816 if (!
Init.isDirectReferenceBinding())
5819 if (Kind == clang::BTT_ReferenceBindsToTemporary)
5823 if (
U->isReferenceType())
5831 OpaqueExprAllocator)
5835 if (Kind == clang::TT_IsNothrowConstructible)
5838 if (Kind == clang::TT_IsTriviallyConstructible) {
5841 if (
T.getNonReferenceType().hasNonTrivialObjCLifetime())
5849 llvm_unreachable(
"unhandled type trait");
5852 default: llvm_unreachable(
"not a TT");
5863 case UTT_HasNothrowAssign:
5864 case UTT_HasNothrowMoveAssign:
5865 Replacement = BTT_IsNothrowAssignable;
5867 case UTT_HasNothrowCopy:
5868 case UTT_HasNothrowConstructor:
5869 Replacement = TT_IsNothrowConstructible;
5871 case UTT_HasTrivialAssign:
5872 case UTT_HasTrivialMoveAssign:
5873 Replacement = BTT_IsTriviallyAssignable;
5875 case UTT_HasTrivialCopy:
5876 Replacement = UTT_IsTriviallyCopyable;
5878 case UTT_HasTrivialDefaultConstructor:
5879 case UTT_HasTrivialMoveConstructor:
5880 Replacement = TT_IsTriviallyConstructible;
5882 case UTT_HasTrivialDestructor:
5883 Replacement = UTT_IsTriviallyDestructible;
5888 S.
Diag(KWLoc, diag::warn_deprecated_builtin)
5894 if (Arity && N != Arity) {
5895 Diag(
Loc, diag::err_type_trait_arity)
5900 if (!Arity && N == 0) {
5901 Diag(
Loc, diag::err_type_trait_arity)
5913 return TypeTraitReturnType::Bool;
5923 *
this, Kind, KWLoc, Args[0]->getType()))
5926 DiagnoseBuiltinDeprecation(*
this, Kind, KWLoc);
5928 bool Dependent =
false;
5929 for (
unsigned I = 0, N = Args.size(); I != N; ++I) {
5930 if (Args[I]->getType()->isDependentType()) {
5937 case TypeTraitReturnType::Bool: {
5941 KWLoc, Kind, Args, RParenLoc,
Result);
5944 llvm_unreachable(
"unhandled type trait return type");
5951 ConvertedArgs.reserve(Args.size());
5953 for (
unsigned I = 0, N = Args.size(); I != N; ++I) {
5959 ConvertedArgs.push_back(TInfo);
5971 "Cannot evaluate traits of dependent types");
5974 case BTT_IsBaseOf: {
5982 if (!rhsRecord || !lhsRecord) {
5985 if (!LHSObjTy || !RHSObjTy)
5990 if (!BaseInterface || !DerivedInterface)
5993 if (
Self.RequireCompleteType(
5995 diag::err_incomplete_type_used_in_type_trait_expr))
6001 assert(
Self.Context.hasSameUnqualifiedType(LhsT, RhsT)
6002 == (lhsRecord == rhsRecord));
6008 if (rhsRecord && rhsRecord->getDecl()->isUnion())
6011 if (lhsRecord == rhsRecord)
6018 if (
Self.RequireCompleteType(
6020 diag::err_incomplete_type_used_in_type_trait_expr))
6023 return cast<CXXRecordDecl>(rhsRecord->getDecl())
6024 ->isDerivedFrom(cast<CXXRecordDecl>(lhsRecord->
getDecl()));
6027 return Self.Context.hasSameType(LhsT, RhsT);
6028 case BTT_TypeCompatible: {
6031 QualType Lhs =
Self.getASTContext().getUnqualifiedArrayType(LhsT, LhsQuals);
6032 QualType Rhs =
Self.getASTContext().getUnqualifiedArrayType(RhsT, RhsQuals);
6033 return Self.Context.typesAreCompatible(Lhs, Rhs);
6035 case BTT_IsConvertible:
6036 case BTT_IsConvertibleTo:
6037 case BTT_IsNothrowConvertible: {
6040 llvm::BumpPtrAllocator OpaqueExprAllocator;
6042 OpaqueExprAllocator);
6046 if (BTT != BTT_IsNothrowConvertible)
6052 case BTT_IsAssignable:
6053 case BTT_IsNothrowAssignable:
6054 case BTT_IsTriviallyAssignable: {
6067 Self.RequireCompleteType(
6069 diag::err_incomplete_type_used_in_type_trait_expr))
6072 Self.RequireCompleteType(
6074 diag::err_incomplete_type_used_in_type_trait_expr))
6084 LhsT =
Self.Context.getRValueReferenceType(LhsT);
6086 RhsT =
Self.Context.getRValueReferenceType(RhsT);
6104 Self.CheckUnusedVolatileAssignment(
Result.get());
6109 if (BTT == BTT_IsAssignable)
6112 if (BTT == BTT_IsNothrowAssignable)
6115 if (BTT == BTT_IsTriviallyAssignable) {
6121 return !
Result.get()->hasNonTrivialCall(
Self.Context);
6124 llvm_unreachable(
"unhandled type trait");
6127 case BTT_IsLayoutCompatible: {
6130 diag::err_incomplete_type);
6133 diag::err_incomplete_type);
6138 return Self.IsLayoutCompatible(LhsT, RhsT);
6140 case BTT_IsPointerInterconvertibleBaseOf: {
6142 !
Self.getASTContext().hasSameUnqualifiedType(LhsT, RhsT)) {
6144 diag::err_incomplete_type);
6148 tok::kw___is_pointer_interconvertible_base_of);
6150 tok::kw___is_pointer_interconvertible_base_of);
6152 return Self.IsPointerInterconvertibleBaseOf(Lhs, Rhs);
6154 case BTT_IsDeducible: {
6155 const auto *TSTToBeDeduced = cast<DeducedTemplateSpecializationType>(LhsT);
6157 return Self.DeduceTemplateArgumentsFromType(
6158 TSTToBeDeduced->getTemplateName().getAsTemplateDecl(), RhsT,
6162 llvm_unreachable(
"not a BTT");
6164 llvm_unreachable(
"Unknown type trait or not implemented");
6183 assert(!
T->
isDependentType() &&
"Cannot evaluate traits of dependent type");
6191 T = AT->getElementType();
6197 case ATT_ArrayExtent: {
6200 if (
Self.VerifyIntegerConstantExpression(
6201 DimExpr, &
Value, diag::err_dimension_expr_not_constant_integer)
6204 if (
Value.isSigned() &&
Value.isNegative()) {
6205 Self.Diag(KeyLoc, diag::err_dimension_expr_not_constant_integer)
6209 Dim =
Value.getLimitedValue();
6213 bool Matched =
false;
6220 T = AT->getElementType();
6225 return CAT->getLimitedSize();
6231 llvm_unreachable(
"Unknown type trait or not implemented");
6271 case ET_IsLValueExpr:
return E->
isLValue();
6272 case ET_IsRValueExpr:
6275 llvm_unreachable(
"Expression trait not covered by switch");
6301 "placeholders should have been weeded out by now");
6316 const char *OpSpelling = isIndirect ?
"->*" :
".*";
6324 Diag(
Loc, diag::err_bad_memptr_rhs)
6346 Diag(
Loc, diag::err_bad_memptr_lhs)
6347 << OpSpelling << 1 << LHSType
6356 OpSpelling, (
int)isIndirect)) {
6361 Diag(
Loc, diag::err_bad_memptr_lhs) << OpSpelling
6385 Diag(
Loc, diag::err_pointer_to_member_type) << isIndirect;
6404 switch (Proto->getRefQualifier()) {
6413 if (Proto->isConst() && !Proto->isVolatile())
6415 ? diag::warn_cxx17_compat_pointer_to_const_ref_member_on_rvalue
6416 : diag::ext_pointer_to_const_ref_member_on_rvalue);
6418 Diag(
Loc, diag::err_pointer_to_member_oper_value_classify)
6425 Diag(
Loc, diag::err_pointer_to_member_oper_value_classify)
6438 if (
Result->isFunctionType()) {
6441 }
else if (isIndirect) {
6459 bool &HaveConversion,
6461 HaveConversion =
false;
6484 HaveConversion =
true;
6499 bool FDerivedFromT = FRec && TRec && FRec != TRec &&
6500 Self.IsDerivedFrom(QuestionLoc, FTy, TTy);
6501 if (FRec && TRec && (FRec == TRec || FDerivedFromT ||
6502 Self.IsDerivedFrom(QuestionLoc, TTy, FTy))) {
6506 if (FRec == TRec || FDerivedFromT) {
6511 HaveConversion =
true;
6534 HaveConversion = !InitSeq.
Failed();
6552 Self.AddBuiltinOperatorCandidates(OO_Conditional, QuestionLoc, Args,
6560 LHS.
get(), Best->BuiltinParamTypes[0], Best->Conversions[0],
6567 RHS.
get(), Best->BuiltinParamTypes[1], Best->Conversions[1],
6573 Self.MarkFunctionReferenced(QuestionLoc, Best->Function);
6582 if (
Self.DiagnoseConditionalForNull(LHS.
get(), RHS.
get(), QuestionLoc))
6585 Self.Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands)
6591 Self.Diag(QuestionLoc, diag::err_conditional_ambiguous_ovl)
6599 llvm_unreachable(
"Conditional operator has only built-in overloads");
6628 assert(!EltTy->
isEnumeralType() &&
"Vectors cant be enum types");
6638 assert(!EltTy->
isEnumeralType() &&
"Vectors cant be enum types");
6650 QualType CondElementTy = CondVT->getElementType();
6651 unsigned CondElementCount = CondVT->getNumElements();
6660 if (LHSVT && RHSVT) {
6661 if (isa<ExtVectorType>(CondVT) != isa<ExtVectorType>(LHSVT)) {
6662 Diag(QuestionLoc, diag::err_conditional_vector_cond_result_mismatch)
6663 << isa<ExtVectorType>(CondVT);
6669 Diag(QuestionLoc, diag::err_conditional_vector_mismatched)
6670 << LHSType << RHSType;
6674 }
else if (LHSVT || RHSVT) {
6676 LHS, RHS, QuestionLoc,
false,
true,
6680 if (ResultType.isNull())
6693 Diag(QuestionLoc, diag::err_conditional_vector_operand_type)
6708 assert(!ResultType.isNull() && ResultType->isVectorType() &&
6710 "Result should have been a vector type");
6711 auto *ResultVectorTy = ResultType->castAs<
VectorType>();
6712 QualType ResultElementTy = ResultVectorTy->getElementType();
6713 unsigned ResultElementCount = ResultVectorTy->getNumElements();
6715 if (ResultElementCount != CondElementCount) {
6716 Diag(QuestionLoc, diag::err_conditional_vector_size) << CondType
6723 Diag(QuestionLoc, diag::err_conditional_vector_element_size) << CondType
6741 llvm::ElementCount CondElementCount =
6753 if (LHSBT && RHSBT) {
6756 Diag(QuestionLoc, diag::err_conditional_vector_mismatched)
6757 << LHSType << RHSType;
6760 ResultType = LHSType;
6761 }
else if (LHSBT || RHSBT) {
6764 if (ResultType.isNull())
6773 ResultElementTy = LHSType;
6779 Diag(QuestionLoc, diag::err_conditional_vector_operand_type)
6785 ResultElementTy, CondElementCount.getKnownMinValue());
6791 assert(!ResultType.isNull() && ResultType->isSveVLSBuiltinType() &&
6792 "Result should have been a vector type");
6793 auto *ResultBuiltinTy = ResultType->castAs<
BuiltinType>();
6795 llvm::ElementCount ResultElementCount =
6798 if (ResultElementCount != CondElementCount) {
6799 Diag(QuestionLoc, diag::err_conditional_vector_size)
6800 << CondType << ResultType;
6806 Diag(QuestionLoc, diag::err_conditional_vector_element_size)
6807 << CondType << ResultType;
6844 bool IsVectorConditional =
6847 bool IsSizelessVectorConditional =
6854 ExprResult CondRes = IsVectorConditional || IsSizelessVectorConditional
6880 if (LVoid || RVoid) {
6889 if (IsVectorConditional) {
6892 bool IsThrow = LVoid ? LThrow : RThrow;
6893 Diag(DiagLoc.
getBegin(), diag::err_conditional_vector_has_void)
6894 << DiagLoc << IsThrow;
6898 if (LThrow != RThrow) {
6899 Expr *NonThrow = LThrow ? RHS.
get() : LHS.
get();
6913 Diag(QuestionLoc, diag::err_conditional_void_nonvoid)
6914 << (LVoid ? RTy : LTy) << (LVoid ? 0 : 1)
6920 if (IsVectorConditional)
6923 if (IsSizelessVectorConditional)
6928 Diag(QuestionLoc, diag::err_wasm_table_conditional_expression)
6941 bool HaveL2R, HaveR2L;
6948 if (HaveL2R && HaveR2L) {
6949 Diag(QuestionLoc, diag::err_conditional_ambiguous)
6961 }
else if (HaveR2L) {
6985 ReferenceConversions::Qualification |
6986 ReferenceConversions::NestedQualification |
6987 ReferenceConversions::Function;
6992 !(RefConv & ~AllowedConversions) &&
7000 !(RefConv & ~AllowedConversions) &&
7016 if (Same && LVK == RVK && LVK !=
VK_PRValue &&
7090 diag::err_typecheck_cond_incompatible_operands) << LTy << RTy
7128 Diag(QuestionLoc, diag::err_typecheck_cond_incompatible_operands)
7159 bool T2IsPointerLike = T2->isAnyPointerType() || T2->isMemberPointerType() ||
7160 T2->isNullPtrType();
7161 if (!T1IsPointerLike && !T2IsPointerLike)
7169 if (T1IsPointerLike &&
7173 ? CK_NullToMemberPointer
7174 : CK_NullToPointer).
get();
7177 if (T2IsPointerLike &&
7181 ? CK_NullToMemberPointer
7182 : CK_NullToPointer).
get();
7187 if (!T1IsPointerLike || !T2IsPointerLike)
7190 "nullptr_t should be a null pointer constant");
7193 enum Kind {
Pointer, ObjCPointer, MemberPointer, Array } K;
7198 const Type *ClassOrBound;
7200 Step(Kind K,
const Type *ClassOrBound =
nullptr)
7201 : K(K), ClassOrBound(ClassOrBound) {}
7212 if (
auto *CAT = cast_or_null<ConstantArrayType>(ClassOrBound))
7214 ArraySizeModifier::Normal, 0);
7218 llvm_unreachable(
"unknown step kind");
7240 unsigned NeedConstBefore = 0;
7249 if (!Steps.empty()) {
7259 }
else if (Steps.size() == 1) {
7262 if (MaybeQ1 == MaybeQ2) {
7281 assert(Steps.size() == 1);
7289 assert(Steps.size() == 1);
7293 Steps.back().Quals = Quals;
7294 if (Q1 != Quals || Q2 != Quals)
7295 NeedConstBefore = Steps.size() - 1;
7303 auto *CAT1 = dyn_cast<ConstantArrayType>(Arr1);
7304 auto *CAT2 = dyn_cast<ConstantArrayType>(Arr2);
7305 if (CAT1 && CAT2 && CAT1->getSize() == CAT2->getSize()) {
7308 Steps.emplace_back(Step::Array, CAT1);
7311 bool IAT1 = isa<IncompleteArrayType>(Arr1);
7312 bool IAT2 = isa<IncompleteArrayType>(Arr2);
7313 if ((IAT1 && IAT2) ||
7315 ((
bool)CAT1 != (
bool)CAT2) &&
7316 (Steps.empty() || Steps.back().K != Step::Array))) {
7322 Steps.emplace_back(Step::Array);
7324 NeedConstBefore = Steps.size();
7334 Steps.emplace_back(Step::Pointer);
7343 Steps.emplace_back(Step::ObjCPointer);
7367 else if (Steps.empty())
7373 Steps.emplace_back(Step::MemberPointer,
Class);
7385 Steps.emplace_back(Step::Pointer);
7423 if (Steps.size() == 1) {
7442 FPT1->getParamTypes(), EPI1);
7444 FPT2->getParamTypes(), EPI2);
7450 if (Steps.size() == 1 && Steps.front().K == Step::Pointer &&
7456 Composite2 = Composite1;
7458 Composite1 = Composite2;
7467 Composite1 = Composite2;
7469 Composite2 = Composite1;
7479 for (
unsigned I = 0; I != NeedConstBefore; ++I)
7480 Steps[I].Quals.addConst();
7484 for (
auto &S : llvm::reverse(Steps))
7485 Composite = S.rebuild(
Context, Composite);
7506 E1 = E1Result.
get();
7511 E2 = E2Result.
get();
7521 assert(!isa<CXXBindTemporaryExpr>(E) &&
"Double-bound temporary?");
7532 bool ReturnsRetained;
7537 Expr *Callee =
Call->getCallee()->IgnoreParens();
7543 T = BinOp->getRHS()->getType();
7544 else if (
MemberExpr *Mem = dyn_cast<MemberExpr>(Callee))
7545 T = Mem->getMemberDecl()->getType();
7560 }
else if (isa<StmtExpr>(E)) {
7561 ReturnsRetained =
true;
7565 }
else if (isa<CastExpr>(E) &&
7566 isa<BlockExpr>(cast<CastExpr>(E)->getSubExpr())) {
7575 D = Send->getMethodDecl();
7576 }
else if (
ObjCBoxedExpr *BoxedExpr = dyn_cast<ObjCBoxedExpr>(E)) {
7577 D = BoxedExpr->getBoxingMethod();
7581 if (ArrayLit->getNumElements() == 0 &&
7585 D = ArrayLit->getArrayWithObjectsMethod();
7587 = dyn_cast<ObjCDictionaryLiteral>(E)) {
7590 if (DictLit->getNumElements() == 0 &&
7594 D = DictLit->getDictWithObjectsMethod();
7597 ReturnsRetained = (D && D->
hasAttr<NSReturnsRetainedAttr>());
7602 if (!ReturnsRetained &&
7613 CastKind ck = (ReturnsRetained ? CK_ARCConsumeObject
7614 : CK_ARCReclaimReturnedObject);
7632 RT = cast<RecordType>(
T);
7634 case Type::ConstantArray:
7635 case Type::IncompleteArray:
7636 case Type::VariableArray:
7637 case Type::DependentSizedArray:
7638 T = cast<ArrayType>(
T)->getElementType().getTypePtr();
7658 PDiag(diag::err_access_dtor_temp)
7689 assert(SubExpr &&
"subexpression can't be null!");
7711 assert(SubStmt &&
"sub-statement can't be null!");
7738 "not in a decltype expression");
7755 if (
ParenExpr *PE = dyn_cast<ParenExpr>(E)) {
7759 if (SubExpr.
get() == PE->getSubExpr())
7764 if (BO->getOpcode() == BO_Comma) {
7768 if (RHS.
get() == BO->getRHS())
7771 BO->
getType(), BO->getValueKind(),
7772 BO->getObjectKind(), BO->getOperatorLoc(),
7773 BO->getFPFeatures());
7800 for (
unsigned I = 0, N =
ExprEvalContexts.back().DelayedDecltypeCalls.size();
7803 if (
Call == TopCall)
7813 for (
unsigned I = 0, N =
ExprEvalContexts.back().DelayedDecltypeBinds.size();
7817 if (
Bind == TopBind)
7823 Bind->getType()->getBaseElementTypeUnsafe()->getAsCXXRecordDecl();
7829 PDiag(diag::err_access_dtor_temp)
7830 <<
Bind->getType());
7845 unsigned SkipStart = OperatorArrows.size(), SkipCount = 0;
7848 if (OperatorArrows.size() > Limit) {
7850 SkipStart = (Limit - 1) / 2 + (Limit - 1) % 2;
7851 SkipCount = OperatorArrows.size() - (Limit - 1);
7854 for (
unsigned I = 0; I < OperatorArrows.size(); ) {
7855 if (I == SkipStart) {
7856 S.
Diag(OperatorArrows[I]->getLocation(),
7857 diag::note_operator_arrows_suppressed)
7861 S.
Diag(OperatorArrows[I]->getLocation(), diag::note_operator_arrow_here)
7862 << OperatorArrows[I]->getCallResultType();
7872 bool &MayBePseudoDestructor) {
7883 MayBePseudoDestructor =
false;
7888 if (OpKind == tok::arrow)
7893 MayBePseudoDestructor =
true;
7900 if (OpKind == tok::arrow) {
7902 bool NoArrowOperatorFound =
false;
7903 bool FirstIteration =
true;
7911 if (OperatorArrows.size() >=
getLangOpts().ArrowDepth) {
7912 Diag(OpLoc, diag::err_operator_arrow_depth_exceeded)
7913 << StartingType <<
getLangOpts().ArrowDepth <<
Base->getSourceRange();
7915 Diag(OpLoc, diag::note_operator_arrow_depth)
7928 : &NoArrowOperatorFound);
7929 if (
Result.isInvalid()) {
7930 if (NoArrowOperatorFound) {
7931 if (FirstIteration) {
7932 Diag(OpLoc, diag::err_typecheck_member_reference_suggestion)
7933 << BaseType << 1 <<
Base->getSourceRange()
7935 OpKind = tok::period;
7938 Diag(OpLoc, diag::err_typecheck_member_reference_arrow)
7939 << BaseType <<
Base->getSourceRange();
7943 diag::note_member_reference_arrow_from_operator_arrow);
7950 OperatorArrows.push_back(OpCall->getDirectCallee());
7951 BaseType =
Base->getType();
7953 if (!CTypes.insert(CBaseType).second) {
7954 Diag(OpLoc, diag::err_operator_arrow_circular) << StartingType;
7958 FirstIteration =
false;
7961 if (OpKind == tok::arrow) {
7965 BaseType = AT->getElementType();
7987 MayBePseudoDestructor =
true;
7999 diag::err_incomplete_member_access)) {
8014 if (
Base->hasPlaceholderType()) {
8019 ObjectType =
Base->getType();
8027 if (OpKind == tok::arrow) {
8037 ObjectType =
Base->getType();
8042 }
else if (!
Base->isTypeDependent()) {
8044 S.
Diag(OpLoc, diag::err_typecheck_member_reference_suggestion)
8045 << ObjectType <<
true
8050 OpKind = tok::period;
8092 Diag(OpLoc, diag::ext_pseudo_dtor_on_void) <<
Base->getSourceRange();
8094 Diag(OpLoc, diag::err_pseudo_dtor_base_not_scalar)
8095 << ObjectType <<
Base->getSourceRange();
8103 if (DestructedTypeInfo) {
8116 Diag(OpLoc, diag::err_typecheck_member_reference_suggestion)
8117 << ObjectType << 0 <<
Base->getSourceRange();
8121 *
this, DestructedType))
8126 ObjectType = DestructedType;
8127 OpKind = tok::arrow;
8129 Diag(DestructedTypeStart, diag::err_pseudo_dtor_type_mismatch)
8130 << ObjectType << DestructedType <<
Base->getSourceRange()
8134 DestructedType = ObjectType;
8135 DestructedTypeInfo =
8146 Diag(DestructedTypeStart, diag::err_arc_pseudo_dtor_inconstant_quals)
8147 << ObjectType << DestructedType <<
Base->getSourceRange()
8152 DestructedType = ObjectType;
8154 DestructedTypeStart);
8167 if (ScopeTypeInfo) {
8169 if (!ScopeType->isDependentType() && !ObjectType->
isDependentType() &&
8173 diag::err_pseudo_dtor_type_mismatch)
8174 << ObjectType << ScopeType <<
Base->getSourceRange()
8178 ScopeTypeInfo =
nullptr;
8184 OpKind == tok::arrow, OpLoc,
8204 "Invalid first type name in pseudo-destructor");
8207 "Invalid second type name in pseudo-destructor");
8231 S, &SS,
true,
false, ObjectTypePtrForLookup,
8244 diag::err_pseudo_dtor_destructor_non_type)
8250 DestructedType = ObjectType;
8268 if (
T.isInvalid() || !
T.get()) {
8270 DestructedType = ObjectType;
8277 if (!DestructedType.
isNull()) {
8278 if (!DestructedTypeInfo)
8292 S, &SS,
true,
false, ObjectTypePtrForLookup,
8296 diag::err_pseudo_dtor_destructor_non_type)
8321 if (
T.isInvalid() || !
T.get()) {
8329 if (!ScopeType.isNull() && !ScopeTypeInfo)
8335 ScopeTypeInfo, CCLoc, TildeLoc,
8366 cast<PackIndexingType>(
T.getTypePtr())->getPattern(),
8373 llvm_unreachable(
"Unsupported type in pseudo destructor");
8399 Operand->HasSideEffects(
Context,
false)) {
8402 Diag(Operand->getExprLoc(), diag::warn_side_effects_unevaluated_context);
8418 bool IsCompoundAssign =
false;
8419 bool isIncrementDecrementUnaryOp =
false;
8421 if (BO->getLHS()->getType()->isDependentType() ||
8422 BO->getRHS()->getType()->isDependentType()) {
8423 if (BO->getOpcode() != BO_Assign)
8425 }
else if (!BO->isAssignmentOp())
8428 IsCompoundAssign = BO->isCompoundAssignmentOp();
8429 LHS = dyn_cast<DeclRefExpr>(BO->getLHS());
8431 if (COCE->getOperator() != OO_Equal)
8433 LHS = dyn_cast<DeclRefExpr>(COCE->getArg(0));
8434 }
else if (
UnaryOperator *UO = dyn_cast<UnaryOperator>(E)) {
8435 if (!UO->isIncrementDecrementOp())
8437 isIncrementDecrementUnaryOp =
true;
8438 LHS = dyn_cast<DeclRefExpr>(UO->getSubExpr());
8448 if ((IsCompoundAssign || isIncrementDecrementUnaryOp) &&
8454 iter->getSecond()--;
8519 if (!
T->getDecl()->isComplete()) {
8533 diag::err_incomplete_type);
8559 if (isa<ParmVarDecl>(Var))
return true;
8560 const VarDecl *DefVD =
nullptr;
8594 while (DC && isa<CapturedDecl>(DC))
8598 "The current call operator must be synchronized with Sema's CurContext");
8619 !IsFullExprInstantiationDependent)
8628 if (
const std::optional<unsigned> Index =
8632 const bool IsVarNeverAConstantExpression =
8634 if (!IsFullExprInstantiationDependent || IsVarNeverAConstantExpression) {
8646 DeclRefType,
nullptr)) {
8652 DeclRefType,
nullptr);
8661 if (
const std::optional<unsigned> Index =
8664 const unsigned FunctionScopeIndexOfCapturableLambda = *Index;
8667 &FunctionScopeIndexOfCapturableLambda);
8679 Consumer.getLookupResult().getLookupKind());
8692 if (ND->isCXXClassMember()) {
8696 Record = NNS->getAsType()->getAsCXXRecordDecl();
8699 dyn_cast<CXXRecordDecl>(ND->getDeclContext()->getRedeclContext());
8706 NewSS, R,
Consumer.isAddressOfOperand()))
8710 }
else if (
auto *Ivar = dyn_cast<ObjCIvarDecl>(ND)) {
8712 Ivar->getIdentifier());
8726 : TypoExprs(TypoExprs) {}
8728 TypoExprs.insert(TE);
8733class TransformTypos :
public TreeTransform<TransformTypos> {
8740 llvm::SmallDenseMap<TypoExpr *, ExprResult, 2> TransformCache;
8741 llvm::SmallDenseMap<OverloadExpr *, Expr *, 4> OverloadResolution;
8753 void EmitAllDiagnostics(
bool IsAmbiguous) {
8755 auto &State = SemaRef.getTypoExprState(TE);
8756 if (State.DiagHandler) {
8767 Replacement.isInvalid() ?
nullptr : Replacement.get()))
8770 State.DiagHandler(TC);
8772 SemaRef.clearDelayedTypo(TE);
8790 bool CheckAndAdvanceTypoExprCorrectionStreams() {
8791 for (
auto *TE : TypoExprs) {
8792 auto &State = SemaRef.getTypoExprState(TE);
8793 TransformCache.erase(TE);
8794 if (!State.Consumer->hasMadeAnyCorrectionProgress())
8796 if (!State.Consumer->finished())
8798 State.Consumer->resetCorrectionStream();
8804 if (
auto *OE = dyn_cast_or_null<OverloadExpr>(E))
8805 E = OverloadResolution[OE];
8809 if (
auto *DRE = dyn_cast<DeclRefExpr>(E))
8810 return DRE->getFoundDecl();
8811 if (
auto *ME = dyn_cast<MemberExpr>(E))
8822 if (Trap.hasErrorOccurred() || Res.
isInvalid())
8825 return ExprFilter(Res.
get());
8839 auto SavedTypoExprs = std::move(TypoExprs);
8840 auto SavedAmbiguousTypoExprs = std::move(AmbiguousTypoExprs);
8842 AmbiguousTypoExprs.clear();
8844 FindTypoExprs(TypoExprs).TraverseStmt(FixedExpr);
8845 if (!TypoExprs.empty()) {
8849 RecursiveTransformLoop(FixedExpr, IsAmbiguous);
8857 auto &SemaTypoExprs = SemaRef.TypoExprs;
8858 for (
auto *TE : TypoExprs) {
8859 TransformCache.erase(TE);
8860 SemaRef.clearDelayedTypo(TE);
8862 auto SI = find(SemaTypoExprs, TE);
8863 if (SI != SemaTypoExprs.end()) {
8864 SemaTypoExprs.erase(SI);
8871 SavedTypoExprs.set_union(TypoExprs);
8875 TypoExprs = std::move(SavedTypoExprs);
8876 AmbiguousTypoExprs = std::move(SavedAmbiguousTypoExprs);
8888 auto SavedTypoExprs = std::move(SemaRef.TypoExprs);
8889 SemaRef.TypoExprs.clear();
8892 Res = CheckForRecursiveTypos(TryTransform(E), IsAmbiguous);
8906 if (!CheckAndAdvanceTypoExprCorrectionStreams())
8911 if (!IsAmbiguous && !Res.
isInvalid() && !AmbiguousTypoExprs.empty()) {
8912 auto SavedTransformCache =
8913 llvm::SmallDenseMap<TypoExpr *, ExprResult, 2>(TransformCache);
8917 while (!AmbiguousTypoExprs.empty()) {
8918 auto TE = AmbiguousTypoExprs.back();
8922 SemaRef.getTypoExprState(TE).Consumer->saveCurrentPosition();
8924 TypoCorrection TC = SemaRef.getTypoExprState(TE).Consumer->peekNextCorrection();
8930 TransformCache.erase(TE);
8931 ExprResult AmbigRes = CheckForRecursiveTypos(TryTransform(E), IsAmbiguous);
8933 if (!AmbigRes.
isInvalid() || IsAmbiguous) {
8934 SemaRef.getTypoExprState(TE).Consumer->resetCorrectionStream();
8935 SavedTransformCache.erase(TE);
8940 }
while ((Next = SemaRef.getTypoExprState(TE).Consumer->peekNextCorrection()) &&
8946 AmbiguousTypoExprs.remove(TE);
8947 SemaRef.getTypoExprState(TE).Consumer->restoreSavedPosition();
8948 TransformCache[TE] = SavedTransformCache[TE];
8950 TransformCache = std::move(SavedTransformCache);
8957 auto &SemaTypoExprs = SemaRef.TypoExprs;
8958 for (
auto Iterator = SemaTypoExprs.begin(); Iterator != SemaTypoExprs.end();) {
8959 auto TE = *Iterator;
8960 auto FI = find(TypoExprs, TE);
8961 if (FI != TypoExprs.end()) {
8965 SemaRef.clearDelayedTypo(TE);
8966 Iterator = SemaTypoExprs.erase(Iterator);
8968 SemaRef.TypoExprs = std::move(SavedTypoExprs);
8975 : BaseTransform(SemaRef), InitDecl(InitDecl), ExprFilter(
Filter) {}
8980 Expr *ExecConfig =
nullptr) {
8981 auto Result = BaseTransform::RebuildCallExpr(Callee, LParenLoc, Args,
8982 RParenLoc, ExecConfig);
8983 if (
auto *OE = dyn_cast<OverloadExpr>(Callee)) {
8984 if (Result.isUsable()) {
8985 Expr *ResultCall = Result.get();
8986 if (
auto *BE = dyn_cast<CXXBindTemporaryExpr>(ResultCall))
8987 ResultCall = BE->getSubExpr();
8988 if (
auto *CE = dyn_cast<CallExpr>(ResultCall))
8989 OverloadResolution[OE] = CE->getCallee();
9000 bool IsAmbiguous =
false;
9001 ExprResult Res = RecursiveTransformLoop(E, IsAmbiguous);
9004 FindTypoExprs(TypoExprs).TraverseStmt(E);
9006 EmitAllDiagnostics(IsAmbiguous);
9015 auto &CacheEntry = TransformCache[E];
9016 if (!TypoExprs.insert(E) && !CacheEntry.isUnset()) {
9021 assert(State.Consumer &&
"Cannot transform a cleared TypoExpr");
9025 while (
TypoCorrection TC = State.Consumer->getNextCorrection()) {
9031 State.RecoveryHandler(SemaRef, E, TC) :
9033 if (!
NE.isInvalid()) {
9038 if ((Next = State.Consumer->peekNextCorrection()) &&
9040 AmbiguousTypoExprs.insert(E);
9042 AmbiguousTypoExprs.remove(E);
9044 assert(!
NE.isUnset() &&
9045 "Typo was transformed into a valid-but-null ExprResult");
9046 return CacheEntry =
NE;
9056 bool RecoverUncorrectedTypos,
9064 auto TyposResolved = DelayedTypos.size();
9065 auto Result = TransformTypos(*
this, InitDecl, Filter).Transform(E);
9066 TyposResolved -= DelayedTypos.size();
9069 if (
Result.isInvalid() && RecoverUncorrectedTypos) {
9077 return TT.TransformExpr(E);
9081 assert(TyposResolved == 0 &&
"Corrected typo but got same Expr back?");
9087 bool DiscardedValue,
bool IsConstexpr,
9088 bool IsTemplateArgument) {
9097 if (DiscardedValue) {
9122 CheckCompletedExpr(
FullExpr.get(), CC, IsConstexpr);
9171 while (DC && isa<CapturedDecl>(DC))
9174 if (IsInLambdaDeclContext && CurrentLSI &&
9201 RedeclarationKind::NotForRedeclaration);
9219 llvm_unreachable(
"Invalid LookupResult Kind!");
9247 "Exactly one of TypeName and TemplateId must be specified.");
9315 E,
false, NoexceptLoc,
9343 auto *Param = cast<TemplateTypeParmDecl>(TPL->
getParam(0));
9348 assert(TC &&
"Type Constraint cannot be null here");
9350 assert(IDC &&
"ImmediatelyDeclaredConstraint can't be null here.");
9355 [&](llvm::raw_ostream &
OS) {
9356 IDC->printPretty(OS, nullptr,
9357 getPrintingPolicy());
9359 IsSimple, NoexceptLoc, ReturnTypeRequirement);
9361 SubstitutedConstraintExpr =
9362 cast<ConceptSpecializationExpr>(Constraint.
get());
9367 ReturnTypeRequirement, Status,
9368 SubstitutedConstraintExpr);
9377 IsSimple, NoexceptLoc,
9378 ReturnTypeRequirement);
9411 InvalidConstraintEntity,
9427 if (Param->hasDefaultArg())
9431 Diag(Param->getDefaultArgRange().getBegin(),
9432 diag::err_requires_expr_local_parameter_default_argument);
9435 Param->setDeclContext(Body);
9437 if (Param->getIdentifier()) {
9446 assert(
CurContext &&
"DeclContext imbalance!");
9448 assert(
CurContext &&
"Popped translation unit!");
9457 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.
This file declares semantic analysis for CUDA constructs.
static void collectPublicBases(CXXRecordDecl *RD, llvm::DenseMap< CXXRecordDecl *, unsigned > &SubobjectsSeen, llvm::SmallPtrSetImpl< CXXRecordDecl * > &VBases, llvm::SetVector< CXXRecordDecl * > &PublicSubobjectsSeen, bool ParentIsPublic)
static bool EvaluateBinaryTypeTrait(Sema &Self, TypeTrait BTT, const TypeSourceInfo *Lhs, const TypeSourceInfo *Rhs, SourceLocation KeyLoc)
static bool DiagnoseVLAInCXXTypeTrait(Sema &S, const TypeSourceInfo *T, clang::tok::TokenKind TypeTraitID)
Checks that type T is not a VLA.
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 bool EvaluateUnaryTypeTrait(Sema &Self, TypeTrait UTT, SourceLocation KeyLoc, TypeSourceInfo *TInfo)
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 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 void buildLambdaThisCaptureFixit(Sema &Sema, LambdaScopeInfo *LSI)
static ExprResult CheckConvertibilityForTypeTraits(Sema &Self, const TypeSourceInfo *Lhs, const TypeSourceInfo *Rhs, SourceLocation KeyLoc, llvm::BumpPtrAllocator &OpaqueExprAllocator)
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.
This file declares semantic analysis for Objective-C.
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...
QualType getArrayParameterType(QualType Ty) const
Return the uniqued reference to a specified array parameter type from the original array type.
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 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.
TypeSourceInfo * CreateTypeSourceInfo(QualType T, unsigned Size=0) const
Allocate an uninitialized TypeSourceInfo.
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.
QualType getUnqualifiedArrayType(QualType T, Qualifiers &Quals) const
Return this type as a completely-unqualified array type, capturing the qualifiers in Quals.
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.
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 ...
StringLiteral * getDeletedMessage() const
Get the message that indicates why this function was deleted.
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
QualType getParamType(unsigned i) 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.
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.
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, const 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.
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 isNull() const
Return true if this QualType doesn't point to a type yet.
const Type * getTypePtr() const
Retrieves a pointer to the underlying (unqualified) type.
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
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 isWebAssemblyReferenceType() const
Returns true if it is a WebAssembly Reference Type.
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
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.
A generic diagnostic builder for errors which may or may not be deferred.
SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID, bool DeferHint=false)
Emit a diagnostic.
SemaDiagnosticBuilder DiagIfDeviceCode(SourceLocation Loc, unsigned DiagID)
Creates a SemaDiagnosticBuilder that emits the diagnostic if the current context is "used as device c...
void EraseUnwantedMatches(const FunctionDecl *Caller, llvm::SmallVectorImpl< std::pair< DeclAccessPair, FunctionDecl * > > &Matches)
Finds a function in Matches with highest calling priority from Caller context and erases all function...
CUDAFunctionPreference IdentifyPreference(const FunctionDecl *Caller, const FunctionDecl *Callee)
Identifies relative preference of a given Caller/Callee combination, based on their host/device attri...
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 ...
QualType FindCompositeObjCPointerType(ExprResult &LHS, ExprResult &RHS, SourceLocation QuestionLoc)
FindCompositeObjCPointerType - Helper method to find composite type of two objective-c pointer types ...
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.
void EmitRelatedResultTypeNote(const Expr *E)
If the given expression involves a message send to a method with a related result type,...
CastKind PrepareCastToObjCObjectPointer(ExprResult &E)
Prepare a conversion of the given expression to an ObjC object pointer type.
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.
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 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)
bool BuildTypeConstraint(const CXXScopeSpec &SS, TemplateIdAnnotation *TypeConstraint, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc, bool AllowUnexpandedPack)
bool CheckCXXThisType(SourceLocation Loc, QualType Type)
Check whether the type of 'this' is valid in the current context.
TypeResult ActOnTemplateIdType(Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, TemplateTy Template, const IdentifierInfo *TemplateII, SourceLocation TemplateIILoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc, bool IsCtorOrDtorName=false, bool IsClassName=false, ImplicitTypenameContext AllowImplicitTypename=ImplicitTypenameContext::No)
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....
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...
@ 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...
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 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)
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.
ParsedType getDestructorName(const IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec &SS, ParsedType ObjectType, bool EnteringContext)
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 ImpCastExprToType(Expr *E, QualType Type, CastKind CK, ExprValueKind VK=VK_PRValue, const CXXCastPath *BasePath=nullptr, CheckedConversionKind CCK=CheckedConversionKind::Implicit)
ImpCastExprToType - If Expr is not of type 'Type', insert an implicit cast.
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)
void DiagnoseUseOfDeletedFunction(SourceLocation Loc, SourceRange Range, DeclarationName Name, OverloadCandidateSet &CandidateSet, FunctionDecl *Fn, MultiExprArg Args, bool IsMember=false)
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
LazyDeclPtr StdBadAlloc
The C++ "std::bad_alloc" class, which is defined by the C++ standard library.
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...
void diagnoseUnavailableAlignedAllocation(const FunctionDecl &FD, SourceLocation Loc)
Produce diagnostics if FD is an aligned allocation or deallocation function that is unavailable.
bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, QualType ObjectType, 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...
bool isPotentialImplicitMemberAccess(const CXXScopeSpec &SS, LookupResult &R, bool IsAddressOfOperand)
Check whether an expression might be an implicit class member access.
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 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)
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.
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)
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)
bool isInLifetimeExtendingContext() const
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.
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...
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...
ExprResult BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, const TemplateArgumentListInfo *TemplateArgs, const Scope *S)
Builds an expression which might be an implicit member expression.
DeclContext * computeDeclContext(QualType T)
Compute the DeclContext that is associated with the given type.
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)
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.
ExprResult PerformImplicitConversion(Expr *From, QualType ToType, const ImplicitConversionSequence &ICS, AssignmentAction Action, CheckedConversionKind CCK=CheckedConversionKind::Implicit)
PerformImplicitConversion - Perform an implicit conversion of the expression From to the type ToType ...
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.
concepts::Requirement * ActOnTypeRequirement(SourceLocation TypenameKWLoc, CXXScopeSpec &SS, SourceLocation NameLoc, const IdentifierInfo *TypeName, TemplateIdAnnotation *TemplateId)
void CheckShadow(NamedDecl *D, NamedDecl *ShadowedDecl, const LookupResult &R)
Diagnose variable or built-in function shadowing.
ParsedType getInheritingConstructorName(CXXScopeSpec &SS, SourceLocation NameLoc, const IdentifierInfo &Name)
Handle the result of the special case name lookup for inheriting constructor declarations.
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),...
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)
concepts::NestedRequirement * BuildNestedRequirement(Expr *E)
FunctionDecl * FindDeallocationFunctionForDestructor(SourceLocation StartLoc, CXXRecordDecl *RD)
TemplateDeductionResult DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, ArrayRef< TemplateArgument > TemplateArgs, sema::TemplateDeductionInfo &Info)
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.
ParsedType getConstructorName(const IdentifierInfo &II, SourceLocation NameLoc, Scope *S, CXXScopeSpec &SS, bool EnteringContext)
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
FullExprArg MakeFullExpr(Expr *Arg)
ExprResult ActOnCXXThis(SourceLocation Loc)
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)
void checkCall(NamedDecl *FDecl, const FunctionProtoType *Proto, const Expr *ThisArg, ArrayRef< const Expr * > Args, bool IsMemberFunction, SourceLocation Loc, SourceRange Range, VariadicCallType CallType)
Handles the checks for format strings, non-POD arguments to vararg functions, NULL arguments passed t...
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.
StringRef getString() const
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 isStructureOrClassType() const
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.
SourceLocation StartLocation
The location of the first token that describes this unqualified-id, which will be the location of the...
const IdentifierInfo * Identifier
When Kind == IK_Identifier, the parsed identifier, or when Kind == IK_UserLiteralId,...
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.
if(T->getSizeExpr()) TRY_TO(TraverseStmt(const_cast< Expr * >(T -> getSizeExpr())))
@ 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_HLSL_Array_RValue
HLSL non-decaying array rvalue cast.
@ 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.
const FunctionProtoType * T
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.
@ 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)
CheckedConversionKind
The kind of conversion being performed.
@ CStyleCast
A C-style cast.
@ ForBuiltinOverloadedOp
A conversion for an operand of a builtin overloaded operator.
@ FunctionalCast
A functional-style cast.
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::@221 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.
const IdentifierInfo * Name
FIXME: Temporarily stores the name of a specialization.
unsigned NumArgs
NumArgs - The number of template arguments.
SourceLocation TemplateNameLoc
TemplateNameLoc - The location of the template name within the source.
ParsedTemplateArgument * getTemplateArgs()
Retrieves a pointer to the template arguments.
SourceLocation RAngleLoc
The location of the '>' after the template argument list.
SourceLocation LAngleLoc
The location of the '<' before the template argument list.
SourceLocation TemplateKWLoc
TemplateKWLoc - The location of the template keyword.
ParsedTemplateTy Template
The declaration of the template corresponding to the template-name.
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...