40#include "llvm/ADT/SmallBitVector.h"
41#include "llvm/ADT/SmallString.h"
42#include "llvm/ADT/StringExtras.h"
54 return SourceRange(Ps[0]->getTemplateLoc(), Ps[N-1]->getRAngleLoc());
62 for (
Scope *TempParamScope = S->getTemplateParamParent(); TempParamScope;
63 TempParamScope = TempParamScope->getParent()->getTemplateParamParent()) {
68 auto ParamsAtDepth = [&](
unsigned D) { Depth = std::max(Depth, D + 1); };
73 if (
auto *LSI = dyn_cast<LambdaScopeInfo>(FSI)) {
74 if (!LSI->TemplateParams.empty()) {
75 ParamsAtDepth(LSI->AutoTemplateParameterDepth);
78 if (LSI->GLTemplateParameterList) {
79 ParamsAtDepth(LSI->GLTemplateParameterList->getDepth());
89 if (!Info.TemplateParams.empty()) {
90 ParamsAtDepth(Info.AutoTemplateParameterDepth);
105 bool AllowFunctionTemplates,
106 bool AllowDependent) {
109 if (isa<TemplateDecl>(D)) {
110 if (!AllowFunctionTemplates && isa<FunctionTemplateDecl>(D))
116 if (
const auto *
Record = dyn_cast<CXXRecordDecl>(D)) {
128 if (
Record->isInjectedClassName()) {
130 if (
Record->getDescribedClassTemplate())
131 return Record->getDescribedClassTemplate();
133 if (
const auto *Spec = dyn_cast<ClassTemplateSpecializationDecl>(
Record))
134 return Spec->getSpecializedTemplate();
143 if (AllowDependent && isa<UnresolvedUsingValueDecl>(D))
150 bool AllowFunctionTemplates,
151 bool AllowDependent) {
162 bool AllowFunctionTemplates,
164 bool AllowNonTemplateFunctions) {
168 if (AllowNonTemplateFunctions &&
169 isa<FunctionDecl>((*I)->getUnderlyingDecl()))
178 bool hasTemplateKeyword,
181 bool EnteringContext,
183 bool &MemberOfUnknownSpecialization,
184 bool Disambiguation) {
188 MemberOfUnknownSpecialization =
false;
190 switch (Name.getKind()) {
197 Name.OperatorFunctionId.Operator);
236 bool AnyFunctionTemplates =
false;
239 if (isa<FunctionTemplateDecl>(FoundTemplate))
240 AnyFunctionTemplates =
true;
243 FoundUsingShadow = dyn_cast<UsingShadowDecl>(FoundD);
251 if (!D && !AnyFunctionTemplates) {
252 R.suppressDiagnostics();
269 unsigned ResultCount = R.
end() - R.
begin();
270 if (!D && ResultCount > 1) {
281 assert(D &&
"unambiguous result is not a template name");
284 if (isa<UnresolvedUsingValueDecl>(D)) {
286 MemberOfUnknownSpecialization =
true;
293 assert(!FoundUsingShadow || FoundUsingShadow->
getTargetDecl() == TD);
300 if (isa<FunctionTemplateDecl>(TD)) {
306 assert(isa<ClassTemplateDecl>(TD) || isa<TemplateTemplateParmDecl>(TD) ||
307 isa<TypeAliasTemplateDecl>(TD) || isa<VarTemplateDecl>(TD) ||
308 isa<BuiltinTemplateDecl>(TD) || isa<ConceptDecl>(TD));
323 bool MemberOfUnknownSpecialization =
false;
331 MemberOfUnknownSpecialization))
334 if (R.
empty())
return false;
368 Diag(IILoc, diag::err_template_kw_missing)
380 bool EnteringContext,
381 bool &MemberOfUnknownSpecialization,
384 bool AllowTypoCorrection) {
394 MemberOfUnknownSpecialization =
false;
396 bool IsDependent =
false;
397 if (!ObjectType.
isNull()) {
400 assert(SS.
isEmpty() &&
"ObjectType and scope specifier cannot coexist");
406 "Caller should have completed object type");
438 bool ObjectTypeSearchedInScope =
false;
439 bool AllowFunctionTemplatesInLookup =
true;
471 if (!ObjectType.
isNull()) {
475 AllowFunctionTemplatesInLookup =
false;
476 ObjectTypeSearchedInScope =
true;
499 if (AllFunctions || (Found.
empty() && !IsDependent)) {
511 if (Found.
empty() && !IsDependent && AllowTypoCorrection) {
519 FilterCCC.WantExpressionKeywords =
false;
520 FilterCCC.WantRemainingKeywords =
false;
521 FilterCCC.WantCXXNamedCasts =
true;
525 if (
auto *ND = Corrected.getFoundDecl())
530 }
else if (!Found.
empty()) {
533 std::string CorrectedStr(Corrected.getAsString(
getLangOpts()));
534 bool DroppedSpecifier = Corrected.WillReplaceSpecifier() &&
535 Name.getAsString() == CorrectedStr;
537 << Name << LookupCtx << DroppedSpecifier
551 MemberOfUnknownSpecialization =
true;
557 if (ExampleLookupResult && RequiredTemplate) {
558 Diag(Found.
getNameLoc(), diag::err_template_kw_refers_to_non_template)
563 diag::note_template_kw_refers_to_non_template)
571 if (S && !ObjectType.
isNull() && !ObjectTypeSearchedInScope &&
588 if (FoundOuter.
empty()) {
606 diag::ext_nested_name_member_ref_lookup_ambiguous)
610 diag::note_ambig_member_ref_object_type)
613 diag::note_ambig_member_ref_scope);
636 bool MissingTemplateKeyword =
false;
639 if (
auto *DRE = dyn_cast<DeclRefExpr>(
TemplateName.get())) {
640 NameInfo = DRE->getNameInfo();
641 SS.
Adopt(DRE->getQualifierLoc());
643 Found = DRE->getFoundDecl();
644 }
else if (
auto *ME = dyn_cast<MemberExpr>(
TemplateName.get())) {
645 NameInfo = ME->getMemberNameInfo();
646 SS.
Adopt(ME->getQualifierLoc());
648 LookupCtx = ME->getBase()->getType()->getAsCXXRecordDecl();
649 Found = ME->getMemberDecl();
650 }
else if (
auto *DSDRE =
651 dyn_cast<DependentScopeDeclRefExpr>(
TemplateName.get())) {
652 NameInfo = DSDRE->getNameInfo();
653 SS.
Adopt(DSDRE->getQualifierLoc());
654 MissingTemplateKeyword =
true;
655 }
else if (
auto *DSME =
656 dyn_cast<CXXDependentScopeMemberExpr>(
TemplateName.get())) {
657 NameInfo = DSME->getMemberNameInfo();
658 SS.
Adopt(DSME->getQualifierLoc());
659 MissingTemplateKeyword =
true;
661 llvm_unreachable(
"unexpected kind of potential template name");
666 if (MissingTemplateKeyword) {
675 TemplateCandidateFilter(
Sema &S) : S(S) {
676 WantTypeSpecifiers =
false;
677 WantExpressionKeywords =
false;
678 WantRemainingKeywords =
false;
679 WantCXXNamedCasts =
true;
681 bool ValidateCandidate(
const TypoCorrection &Candidate)
override {
687 std::unique_ptr<CorrectionCandidateCallback> clone()
override {
688 return std::make_unique<TemplateCandidateFilter>(*
this);
693 TemplateCandidateFilter CCC(*
this);
696 auto *ND = Corrected.getFoundDecl();
699 if (ND || Corrected.isKeyword()) {
701 std::string CorrectedStr(Corrected.getAsString(
getLangOpts()));
702 bool DroppedSpecifier = Corrected.WillReplaceSpecifier() &&
703 Name.getAsString() == CorrectedStr;
705 PDiag(diag::err_non_template_in_member_template_id_suggest)
706 << Name << LookupCtx << DroppedSpecifier
710 PDiag(diag::err_non_template_in_template_id_suggest)
715 diag::note_non_template_in_template_id_found);
720 Diag(NameInfo.
getLoc(), diag::err_non_template_in_template_id)
723 Diag(Found->
getLocation(), diag::note_non_template_in_template_id_found);
733 bool isAddressOfOperand,
748 bool MightBeCxx11UnevalField =
754 IsEnum = isa_and_nonnull<EnumType>(NNS->getAsType());
756 if (!MightBeCxx11UnevalField && !isAddressOfOperand && !IsEnum &&
757 isa<CXXMethodDecl>(DC) &&
758 cast<CXXMethodDecl>(DC)->isImplicitObjectMemberFunction()) {
759 QualType ThisType = cast<CXXMethodDecl>(DC)->getThisType().getNonReferenceType();
763 NamedDecl *FirstQualifierInScope =
nullptr;
769 FirstQualifierInScope, NameInfo, TemplateArgs);
786 Context, QualifierLoc, TemplateKWLoc, NameInfo, TemplateArgs);
794 bool InstantiatedFromMember,
799 assert(isa<TagDecl>(Instantiation) || isa<FunctionDecl>(Instantiation) ||
800 isa<VarDecl>(Instantiation));
802 bool IsEntityBeingDefined =
false;
803 if (
const TagDecl *TD = dyn_cast_or_null<TagDecl>(PatternDef))
804 IsEntityBeingDefined = TD->isBeingDefined();
806 if (PatternDef && !IsEntityBeingDefined) {
821 if (!Complain || (PatternDef && PatternDef->
isInvalidDecl()))
825 if (
TagDecl *TD = dyn_cast<TagDecl>(Instantiation))
828 Diag(PointOfInstantiation,
829 diag::err_template_instantiate_within_definition)
835 }
else if (InstantiatedFromMember) {
836 if (isa<FunctionDecl>(Instantiation)) {
837 Diag(PointOfInstantiation,
838 diag::err_explicit_instantiation_undefined_member)
843 assert(isa<TagDecl>(Instantiation) &&
"Must be a TagDecl!");
844 Diag(PointOfInstantiation,
845 diag::err_implicit_instantiate_member_undefined)
850 if (isa<FunctionDecl>(Instantiation)) {
851 Diag(PointOfInstantiation,
852 diag::err_explicit_instantiation_undefined_func_template)
855 }
else if (isa<TagDecl>(Instantiation)) {
856 Diag(PointOfInstantiation, diag::err_template_instantiate_undefined)
861 assert(isa<VarDecl>(Instantiation) &&
"Must be a VarDecl!");
862 if (isa<VarTemplateSpecializationDecl>(Instantiation)) {
863 Diag(PointOfInstantiation,
864 diag::err_explicit_instantiation_undefined_var_template)
868 Diag(PointOfInstantiation,
869 diag::err_explicit_instantiation_undefined_member)
886 bool SupportedForCompatibility) {
899 ? diag::ext_template_param_shadow
900 : (SupportedForCompatibility ? diag::ext_compat_template_param_shadow
901 : diag::err_template_param_shadow);
902 const auto *ND = cast<NamedDecl>(PrevDecl);
903 Diag(Loc, DiagId) << ND->getDeclName();
911 if (
TemplateDecl *Temp = dyn_cast_or_null<TemplateDecl>(D)) {
912 D = Temp->getTemplatedDecl();
921 "Only template template arguments can be pack expansions here");
922 assert(
getAsTemplate().get().containsUnexpandedParameterPack() &&
923 "Template template argument pack expansion without packs");
925 Result.EllipsisLoc = EllipsisLoc;
960 llvm_unreachable(
"Unhandled parsed template argument");
967 for (
unsigned I = 0,
Last = TemplateArgsIn.size(); I !=
Last; ++I)
977 RedeclarationKind::ForVisibleRedeclaration);
991 assert(TInfo &&
"template argument with no location");
999 EllipsisLoc = PET.getEllipsisLoc();
1000 TL = PET.getPatternLoc();
1005 SS.
Adopt(ET.getQualifierLoc());
1006 TL = ET.getNamedTypeLoc();
1010 TemplateName Name = DTST.getTypePtr()->getTemplateName();
1016 DTST.getTemplateNameLoc());
1046 unsigned Depth,
unsigned Position,
1049 bool HasTypeConstraint) {
1050 assert(S->isTemplateParamScope() &&
1051 "Template type parameter not in template parameter scope!");
1053 bool IsParameterPack = EllipsisLoc.
isValid();
1056 KeyLoc, ParamNameLoc, Depth, Position,
1057 ParamName,
Typename, IsParameterPack,
1063 LSI->LocalPacks.push_back(Param);
1076 if (DefaultArg && IsParameterPack) {
1077 Diag(EqualLoc, diag::err_template_param_pack_default_arg);
1078 DefaultArg =
nullptr;
1086 assert(DefaultTInfo &&
"expected source information for type");
1113 return TemplateArgs;
1126 diag::err_type_constraint_non_type_concept);
1132 if (!WereArgsSpecified &&
1135 diag::err_type_constraint_missing_arguments)
1154 bool AllowUnexpandedPack) {
1171 if (EllipsisLoc.
isInvalid() && !AllowUnexpandedPack) {
1180 ConceptName, CD, USD ? cast<NamedDecl>(USD) : CD,
1182 ConstrainedParameter, EllipsisLoc);
1185template <
typename ArgumentLocAppender>
1200 Appender(ConstraintArgs);
1209 FoundDecl ? FoundDecl : NamedConcept, NamedConcept,
1212 return ImmediatelyDeclaredConstraint;
1228 ImmediatelyDeclaredConstraint.
get(), BO_LAnd,
1229 EllipsisLoc,
nullptr,
1249 *TemplateArgs) :
nullptr;
1254 *
this,
NS, NameInfo, NamedConcept, FoundDecl,
1257 ParamAsArgument, ConstrainedParameter->
getLocation(),
1260 for (const auto &ArgLoc : TemplateArgs->arguments())
1261 ConstraintArgs.addArgument(ArgLoc);
1264 if (ImmediatelyDeclaredConstraint.
isInvalid())
1274 ImmediatelyDeclaredConstraint.
get());
1285 diag::err_unsupported_placeholder_constraint)
1304 for (unsigned I = 0, C = TL.getNumArgs(); I != C; ++I)
1305 ConstraintArgs.addArgument(TL.getArgLoc(I));
1308 if (ImmediatelyDeclaredConstraint.
isInvalid() ||
1309 !ImmediatelyDeclaredConstraint.
isUsable())
1313 ImmediatelyDeclaredConstraint.
get());
1351 Diag(Loc, diag::err_template_nontype_parm_rvalue_ref) <<
T;
1361 Diag(Loc, diag::err_template_nontype_parm_bad_type) <<
T;
1369 Diag(Loc, diag::err_template_nontype_parm_not_structural) <<
T;
1376 for (
const FieldDecl *FD : RD->fields()) {
1378 Diag(FD->getLocation(), diag::note_not_structural_non_public) <<
T << 0;
1381 if (FD->isMutable()) {
1382 Diag(FD->getLocation(), diag::note_not_structural_mutable_field) <<
T;
1385 if (FD->getType()->isRValueReferenceType()) {
1386 Diag(FD->getLocation(), diag::note_not_structural_rvalue_ref_field)
1393 for (
const auto &BaseSpec : RD->bases()) {
1394 if (BaseSpec.getAccessSpecifier() !=
AS_public) {
1395 Diag(BaseSpec.getBaseTypeLoc(), diag::note_not_structural_non_public)
1406 for (
const FieldDecl *FD : RD->fields()) {
1409 SubLoc = FD->getLocation();
1417 for (
const auto &BaseSpec : RD->bases()) {
1420 SubLoc = BaseSpec.getBaseTypeLoc();
1428 assert(Kind != -1 &&
"couldn't find reason why type is not structural");
1429 Diag(SubLoc, diag::note_not_structural_subobject)
1430 <<
T << Kind << SubType;
1443 Diag(Loc, diag::err_variably_modified_nontype_template_param)
1467 return T.getUnqualifiedType();
1485 return T.getUnqualifiedType();
1496 Diag(Loc, diag::err_template_nontype_parm_bad_structural_type) <<
T;
1500 Diag(Loc, diag::warn_cxx17_compat_template_nontype_parm_type) <<
T;
1501 return T.getUnqualifiedType();
1512 auto CheckValidDeclSpecifiers = [
this, &D] {
1526 Diag(Loc, diag::err_invalid_decl_specifier_in_nontype_parm)
1563 CheckValidDeclSpecifiers();
1566 if (isa<AutoType>(
T))
1568 diag::warn_cxx14_compat_template_nontype_parm_auto_type)
1571 assert(S->isTemplateParamScope() &&
1572 "Non-type template parameter not in template parameter scope!");
1592 if (TL.isConstrained())
1601 LSI->LocalPacks.push_back(Param);
1615 if (
Default && IsParameterPack) {
1616 Diag(EqualLoc, diag::err_template_param_pack_default_arg);
1640 assert(S->isTemplateParamScope() &&
1641 "Template template parameter not in template parameter scope!");
1644 bool IsParameterPack = EllipsisLoc.
isValid();
1647 NameLoc.
isInvalid() ? TmpLoc : NameLoc, Depth, Position, IsParameterPack,
1653 LSI->LocalPacks.push_back(Param);
1664 if (Params->
size() == 0) {
1673 if (IsParameterPack && !
Default.isInvalid()) {
1674 Diag(EqualLoc, diag::err_template_param_pack_default_arg);
1689 Diag(DefaultArg.
getLocation(), diag::err_template_arg_not_valid_template)
1707class ConstraintRefersToContainingTemplateChecker
1708 :
public TreeTransform<ConstraintRefersToContainingTemplateChecker> {
1709 bool Result =
false;
1711 unsigned TemplateDepth = 0;
1715 void CheckIfContainingRecord(
const CXXRecordDecl *CheckingRD) {
1722 if (
const auto *RD = dyn_cast<CXXRecordDecl>(DC))
1723 if (CheckingRD == RD->getMostRecentDecl())
1728 assert(D->
getDepth() <= TemplateDepth &&
1729 "Nothing should reference a value below the actual template depth, "
1730 "depth is likely wrong");
1731 if (D->
getDepth() != TemplateDepth)
1742 ConstraintRefersToContainingTemplateChecker(
Sema &SemaRef,
1744 unsigned TemplateDepth)
1745 : inherited(SemaRef), Friend(Friend), TemplateDepth(TemplateDepth) {}
1746 bool getResult()
const {
return Result; }
1752 using inherited::TransformTemplateTypeParmType;
1756 "Nothing should reference a value below the actual template depth, "
1757 "depth is likely wrong");
1760 return inherited::TransformTemplateTypeParmType(
1772 if (
auto *TD = dyn_cast<TypedefNameDecl>(D))
1773 TransformType(TD->getUnderlyingType());
1774 else if (
auto *NTTPD = dyn_cast<NonTypeTemplateParmDecl>(D))
1775 CheckNonTypeTemplateParmDecl(NTTPD);
1776 else if (
auto *VD = dyn_cast<ValueDecl>(D))
1777 TransformType(VD->getType());
1778 else if (
auto *TD = dyn_cast<TemplateDecl>(D))
1779 TransformTemplateParameterList(TD->getTemplateParameters());
1780 else if (
auto *RD = dyn_cast<CXXRecordDecl>(D))
1781 CheckIfContainingRecord(RD);
1782 else if (isa<NamedDecl>(D)) {
1785 llvm_unreachable(
"Don't know how to handle this declaration type yet");
1793 const Expr *Constraint) {
1795 ConstraintRefersToContainingTemplateChecker Checker(*
this, Friend,
1797 Checker.TransformExpr(
const_cast<Expr *
>(Constraint));
1798 return Checker.getResult();
1811 Expr *RequiresClause) {
1813 Diag(ExportLoc, diag::warn_template_export_unsupported);
1819 Context, TemplateLoc, LAngleLoc,
1820 llvm::ArrayRef(Params.data(), Params.size()), RAngleLoc, RequiresClause);
1855 return cast<TemplateDecl>(D)->getTemplateParameters();
1865 assert(TemplateParams && TemplateParams->
size() > 0 &&
1866 "No template parameters");
1867 assert(TUK !=
TUK_Reference &&
"Can only declare or define class templates");
1876 "can't build template of enumerated type");
1880 Diag(KWLoc, diag::err_template_unnamed_class);
1894 if (!SemanticContext) {
1899 ? diag::warn_template_qualified_friend_ignored
1900 : diag::err_template_qualified_declarator_no_match)
1943 PrevDecl = (*
Previous.begin())->getUnderlyingDecl();
1955 dyn_cast_or_null<ClassTemplateDecl>(PrevDecl);
1960 if (!PrevClassTemplate && PrevDecl && isa<CXXRecordDecl>(PrevDecl) &&
1961 cast<CXXRecordDecl>(PrevDecl)->isInjectedClassName()) {
1964 = cast<CXXRecordDecl>(PrevDecl)->getDescribedClassTemplate();
1965 if (!PrevClassTemplate && isa<ClassTemplateSpecializationDecl>(PrevDecl)) {
1967 = cast<ClassTemplateSpecializationDecl>(PrevDecl)
1968 ->getSpecializedTemplate();
1991 PrevDecl = PrevClassTemplate =
nullptr;
1992 SemanticContext = OutermostContext;
2006 PrevDecl = (*
Previous.begin())->getUnderlyingDecl();
2009 }
else if (PrevDecl &&
2012 PrevDecl = PrevClassTemplate =
nullptr;
2014 if (
auto *Shadow = dyn_cast_or_null<UsingShadowDecl>(
2015 PrevDecl ?
Previous.getRepresentativeDecl() :
nullptr)) {
2017 !(PrevClassTemplate &&
2020 Diag(KWLoc, diag::err_using_decl_conflict_reverse);
2021 Diag(Shadow->getTargetDecl()->getLocation(),
2022 diag::note_using_decl_target);
2023 Diag(Shadow->getIntroducer()->getLocation(), diag::note_using_decl) << 0;
2025 PrevDecl = PrevClassTemplate =
nullptr;
2029 if (PrevClassTemplate) {
2038 TemplateParams, PrevClassTemplate,
2051 Diag(KWLoc, diag::err_use_with_wrong_tag)
2067 auto *Tmpl = cast<CXXRecordDecl>(Hidden)->getDescribedClassTemplate();
2068 assert(Tmpl &&
"original definition of a class template is not a "
2073 Diag(NameLoc, diag::err_redefinition) << Name;
2074 Diag(Def->getLocation(), diag::note_previous_definition);
2081 }
else if (PrevDecl) {
2087 Diag(NameLoc, diag::err_redefinition_different_kind) << Name;
2101 (SS.
isSet() && SemanticContext && SemanticContext->
isRecord() &&
2113 Diag(NameLoc, TUK ==
TUK_Friend ? diag::err_friend_decl_does_not_match
2114 : diag::err_member_decl_does_not_match)
2115 << Name << SemanticContext <<
true << SS.
getRange();
2125 bool ShouldAddRedecl
2130 PrevClassTemplate && ShouldAddRedecl ?
2134 if (NumOuterTemplateParamLists > 0)
2137 llvm::ArrayRef(OuterTemplateParamLists, NumOuterTemplateParamLists));
2151 if (ShouldAddRedecl)
2156 if (ModulePrivateLoc.
isValid())
2167 if (PrevClassTemplate &&
2185 if (PrevClassTemplate)
2221 if (PrevClassTemplate)
2240class ExtractTypeForDeductionGuide
2246 ExtractTypeForDeductionGuide(
2249 :
Base(SemaRef), MaterializedTypedefs(MaterializedTypedefs) {}
2254 ASTContext &Context = SemaRef.getASTContext();
2264 if (isa<TypeAliasDecl>(OrigDecl))
2269 assert(isa<TypedefDecl>(OrigDecl) &&
"Not a Type alias or typedef");
2274 MaterializedTypedefs.push_back(
Decl);
2293 auto DeductionGuideName =
2304 TInfo->
getType(), TInfo, LocEnd, Ctor);
2305 Guide->setImplicit(IsImplicit);
2306 Guide->setParams(Params);
2308 for (
auto *Param : Params)
2309 Param->setDeclContext(Guide);
2310 for (
auto *TD : MaterializedTypedefs)
2311 TD->setDeclContext(Guide);
2314 SemaRef.
Context, DC, Loc, DeductionGuideName, TemplateParams, Guide);
2315 GuideTemplate->setImplicit(IsImplicit);
2316 Guide->setDescribedFunctionTemplate(GuideTemplate);
2318 if (isa<CXXRecordDecl>(DC)) {
2324 return GuideTemplate;
2332 unsigned NewDepth,
unsigned NewIndex) {
2349 if (InstantiatedDefaultArg)
2350 NewTTP->setDefaultArgument(InstantiatedDefaultArg);
2356template <
typename NonTypeTemplateOrTemplateTemplateParmDecl>
2357NonTypeTemplateOrTemplateTemplateParmDecl *
2359 NonTypeTemplateOrTemplateTemplateParmDecl *OldParam,
2361 unsigned NewDepth) {
2364 auto *NewParam = cast<NonTypeTemplateOrTemplateTemplateParmDecl>(
2366 NewParam->setPosition(NewIndex);
2367 NewParam->setDepth(NewDepth);
2373struct ConvertConstructorToDeductionGuideTransform {
2374 ConvertConstructorToDeductionGuideTransform(
Sema &S,
2376 : SemaRef(S), Template(Template) {
2384 NestedPattern = Pattern;
2429 AllParams.reserve(TemplateParams->
size() + InnerParams->
size());
2430 AllParams.insert(AllParams.begin(),
2431 TemplateParams->
begin(), TemplateParams->
end());
2432 SubstArgs.reserve(InnerParams->
size());
2433 Depth1Args.reserve(InnerParams->
size());
2439 Args.
setKind(TemplateSubstitutionKind::Rewrite);
2444 NamedDecl *NewParam = transformTemplateParameter(Param, Args);
2452 if (NestedPattern) {
2454 OuterInstantiationArgs);
2455 Instantiator.setEvaluateConstraints(
false);
2457 NewParam = cast<NamedDecl>(Instantiator.Visit(NewParam));
2462 "Unexpected template parameter depth");
2464 AllParams.push_back(NewParam);
2470 Expr *RequiresClause =
nullptr;
2471 if (
Expr *InnerRC = InnerParams->getRequiresClause()) {
2473 Args.
setKind(TemplateSubstitutionKind::Rewrite);
2484 TemplateParams = TemplateParameterList::Create(
2485 SemaRef.
Context, InnerParams->getTemplateLoc(),
2486 InnerParams->getLAngleLoc(), AllParams, InnerParams->getRAngleLoc(),
2494 Args.
setKind(TemplateSubstitutionKind::Rewrite);
2505 assert(FPTL &&
"no prototype for constructor declaration");
2513 QualType NewType = transformFunctionProtoType(TLB, FPTL, Params, Args,
2514 MaterializedTypedefs);
2519 return buildDeductionGuide(
2522 true, MaterializedTypedefs);
2533 DeductionGuideName, EPI);
2536 TSI = SemaRef.
SubstType(TSI, OuterInstantiationArgs, Loc,
2537 DeductionGuideName);
2544 for (
auto T : ParamTypes) {
2547 TSI = SemaRef.
SubstType(TSI, OuterInstantiationArgs, Loc,
2553 FPTL.
setParam(Params.size(), NewParam);
2554 Params.push_back(NewParam);
2557 return buildDeductionGuide(
2568 if (
auto *TTP = dyn_cast<TemplateTypeParmDecl>(
TemplateParam))
2569 return transformTemplateTypeParam(
2570 SemaRef, DC, TTP, Args, TTP->
getDepth() - 1,
2571 Depth1IndexAdjustment + TTP->
getIndex());
2572 if (
auto *TTP = dyn_cast<TemplateTemplateParmDecl>(
TemplateParam))
2573 return transformTemplateParam(SemaRef, DC, TTP, Args,
2574 Depth1IndexAdjustment + TTP->
getIndex(),
2577 return transformTemplateParam(SemaRef, DC, NTTP, Args,
2578 Depth1IndexAdjustment + NTTP->getIndex(),
2579 NTTP->getDepth() - 1);
2582 QualType transformFunctionProtoType(
2593 transformFunctionTypeParam(OldParam, Args, MaterializedTypedefs);
2594 if (NestedPattern && NewParam)
2595 NewParam = transformFunctionTypeParam(NewParam, OuterInstantiationArgs,
2596 MaterializedTypedefs);
2599 ParamTypes.push_back(NewParam->
getType());
2600 Params.push_back(NewParam);
2622 ReturnType, ParamTypes, TL.
getBeginLoc(), DeductionGuideName, EPI);
2623 if (Result.isNull())
2632 for (
unsigned I = 0, E = NewTL.
getNumParams(); I != E; ++I)
2647 SemaRef.
SubstType(PackTL.getPatternLoc(), Args,
2649 if (!NewDI)
return nullptr;
2652 PackTL.getTypePtr()->getNumExpansions());
2663 NewDI = ExtractTypeForDeductionGuide(SemaRef, MaterializedTypedefs)
2673 NewDefArg =
new (SemaRef.
Context)
2681 auto NewType = NewDI->
getType();
2701 struct TemplateParamsReferencedFinder
2707 : TemplateParams(TemplateParams.begin(), TemplateParams.end()) {}
2725 if (TemplateParams.contains(ND))
2726 ReferencedTemplateParams.insert(ND);
2729 TemplateParamsReferencedFinder Finder(TemplateParams);
2730 Finder.TraverseTemplateArguments(DeducedArgs);
2733 for (
unsigned Index = 0; Index < TemplateParams.size(); ++Index) {
2734 if (Finder.ReferencedTemplateParams.contains(TemplateParams[Index]))
2735 Results.push_back(Index);
2743 assert(Name.getNameKind() ==
2745 "name must be a deduction guide name");
2746 auto Existing = DC->
lookup(Name);
2747 for (
auto *D : Existing)
2756 unsigned NewIndex) {
2757 if (
auto *TTP = dyn_cast<TemplateTypeParmDecl>(
TemplateParam))
2758 return transformTemplateTypeParam(SemaRef, DC, TTP, Args, TTP->
getDepth(),
2760 if (
auto *TTP = dyn_cast<TemplateTemplateParmDecl>(
TemplateParam))
2761 return transformTemplateParam(SemaRef, DC, TTP, Args, NewIndex,
2763 if (
auto *NTTP = dyn_cast<NonTypeTemplateParmDecl>(
TemplateParam))
2764 return transformTemplateParam(SemaRef, DC, NTTP, Args, NewIndex,
2766 llvm_unreachable(
"Unhandled template parameter types");
2783std::pair<TemplateDecl *, llvm::ArrayRef<TemplateArgument>>
2787 ->getUnderlyingType()
2788 .getSingleStepDesugaredType(SemaRef.
Context);
2795 Template = TST->getTemplateName().getAsTemplateDecl();
2796 AliasRhsTemplateArgs = TST->template_arguments();
2797 }
else if (
const auto *RT = RhsType->getAs<
RecordType>()) {
2801 if (
const auto *CTSD = llvm::dyn_cast<ClassTemplateSpecializationDecl>(
2802 RT->getAsCXXRecordDecl())) {
2803 Template = CTSD->getSpecializedTemplate();
2804 AliasRhsTemplateArgs = CTSD->getTemplateArgs().asArray();
2807 assert(
false &&
"unhandled RHS type of the alias");
2809 return {Template, AliasRhsTemplateArgs};
2813void DeclareImplicitDeductionGuidesForTypeAlias(
2817 auto &Context = SemaRef.
Context;
2821 if (hasDeclaredDeductionGuides(
2825 auto [Template, AliasRhsTemplateArgs] =
2833 Guides.suppressDiagnostics();
2835 for (
auto *G : Guides) {
2852 FReturnType = InjectedCNT->getInjectedTST();
2856 assert(FReturnType &&
"expected to see a return type");
2889 AliasRhsTemplateArgs, TDeduceInfo, DeduceResults,
2896 for (
unsigned Index = 0; Index < DeduceResults.size(); ++Index) {
2897 if (
const auto &D = DeduceResults[Index]; !D.isNull())
2898 DeducedArgs.push_back(D);
2900 NonDeducedTemplateParamsInFIndex.push_back(Index);
2902 auto DeducedAliasTemplateParams =
2903 TemplateParamsReferencedInTemplateArgumentList(
2904 AliasTemplate->getTemplateParameters()->asArray(), DeducedArgs);
2912 if (BuildingDeductionGuides.isInvalid())
2929 for (
unsigned AliasTemplateParamIdx : DeducedAliasTemplateParams) {
2930 auto *TP =
AliasTemplate->getTemplateParameters()->getParam(
2931 AliasTemplateParamIdx);
2937 NamedDecl *NewParam = transformTemplateParameter(
2939 FPrimeTemplateParams.size());
2940 FPrimeTemplateParams.push_back(NewParam);
2944 TransformedDeducedAliasArgs[AliasTemplateParamIdx] = NewTemplateArgument;
2948 for (
unsigned FTemplateParamIdx : NonDeducedTemplateParamsInFIndex) {
2955 NamedDecl *NewParam = transformTemplateParameter(
2956 SemaRef, F->
getDeclContext(), TP, Args, FPrimeTemplateParams.size());
2957 FPrimeTemplateParams.push_back(NewParam);
2959 assert(TemplateArgsForBuildingFPrime[FTemplateParamIdx].isNull() &&
2960 "The argument must be null before setting");
2961 TemplateArgsForBuildingFPrime[FTemplateParamIdx] =
2984 for (
unsigned Index = 0; Index < DeduceResults.size(); ++Index) {
2985 const auto &D = DeduceResults[Index];
2988 assert(!TemplateArgsForBuildingFPrime[Index].isNull() &&
2989 "template arguments for non-deduced template parameters should "
2997 assert(TemplateArgsForBuildingFPrime[Index].isNull() &&
2998 "InstantiatedArgs must be null before setting");
2999 TemplateArgsForBuildingFPrime[Index] = (Output.
getArgument());
3004 Context, TemplateArgsForBuildingFPrime);
3007 F, TemplateArgListForBuildingFPrime,
AliasTemplate->getLocation(),
3009 auto *GG = cast<CXXDeductionGuideDecl>(FPrime);
3011 Expr *RequiresClause =
3012 transformRequireClause(SemaRef, F, TemplateArgsForBuildingFPrime);
3018 Context,
AliasTemplate->getTemplateParameters()->getTemplateLoc(),
3020 FPrimeTemplateParams,
3024 buildDeductionGuide(SemaRef,
AliasTemplate, FPrimeTemplateParamList,
3025 GG->getCorrespondingConstructor(),
3026 GG->getExplicitSpecifier(), GG->getTypeSourceInfo(),
3043 RHSTemplate, ParamTypes, Loc);
3044 if (!RHSDeductionGuide)
3051 if (BuildingDeductionGuides.isInvalid())
3060 RHSDeductionGuide->getTemplateParameters()->size());
3061 for (
auto *TP : *RHSDeductionGuide->getTemplateParameters()) {
3067 NamedDecl *NewParam = transformTemplateParameter(
3069 TransformedTemplateParams.size());
3071 TransformedTemplateArgs[TransformedTemplateParams.size()] =
3074 TransformedTemplateParams.push_back(NewParam);
3078 Expr *TransformedRequiresClause = transformRequireClause(
3079 SemaRef, RHSDeductionGuide, TransformedTemplateArgs);
3083 TransformedTemplateParams,
3085 TransformedRequiresClause);
3087 SemaRef.
Context, TransformedTemplateArgs);
3090 RHSDeductionGuide, TransformedTemplateArgList,
3094 llvm::dyn_cast<clang::CXXDeductionGuideDecl>(TransformedDeductionGuide);
3097 GD->getCorrespondingConstructor(), GD->getExplicitSpecifier(),
3101 cast<CXXDeductionGuideDecl>(
Result->getTemplatedDecl())
3113 llvm::FoldingSetNodeID ID;
3114 ID.AddPointer(Template);
3115 for (
auto &
T : ParamTypes)
3117 unsigned Hash = ID.ComputeHash();
3125 if (
auto *
AliasTemplate = llvm::dyn_cast<TypeAliasTemplateDecl>(Template)) {
3126 if (
auto *FTD = DeclareAggregateDeductionGuideForTypeAlias(
3138 DefRecord->getDescribedClassTemplate())
3139 Template = DescribedTemplate;
3146 ConvertConstructorToDeductionGuideTransform Transform(
3147 *
this, cast<ClassTemplateDecl>(Template));
3158 *
this, Loc, Template,
3160 if (BuildingDeductionGuides.isInvalid())
3164 Transform.NestedPattern ? Transform.NestedPattern : Transform.Template;
3167 auto *FTD = cast<FunctionTemplateDecl>(
3168 Transform.buildSimpleDeductionGuide(ParamTypes));
3178 if (
auto *
AliasTemplate = llvm::dyn_cast<TypeAliasTemplateDecl>(Template)) {
3179 DeclareImplicitDeductionGuidesForTypeAlias(*
this,
AliasTemplate, Loc);
3184 if (
TemplateDecl *DescribedTemplate = DefRecord->getDescribedClassTemplate())
3185 Template = DescribedTemplate;
3192 ConvertConstructorToDeductionGuideTransform Transform(
3193 *
this, cast<ClassTemplateDecl>(Template));
3197 if (hasDeclaredDeductionGuides(Transform.DeductionGuideName, DC))
3206 *
this, Loc, Template,
3208 if (BuildingDeductionGuides.isInvalid())
3216 Transform.NestedPattern ? Transform.NestedPattern : Transform.Template;
3219 bool AddedAny =
false;
3221 D = D->getUnderlyingDecl();
3230 if (ProcessedCtors.count(D))
3233 auto *FTD = dyn_cast<FunctionTemplateDecl>(D);
3243 return !P || P->hasUnparsedDefaultArg();
3247 ProcessedCtors.insert(D);
3248 Transform.transformConstructor(FTD, CD);
3257 Transform.buildSimpleDeductionGuide(std::nullopt);
3261 cast<CXXDeductionGuideDecl>(
3262 cast<FunctionTemplateDecl>(
3263 Transform.buildSimpleDeductionGuide(Transform.DeducedType))
3264 ->getTemplatedDecl())
3295 diag::warn_cxx98_compat_template_parameter_default_in_function_template
3296 : diag::ext_template_parameter_default_in_function_template)
3305 S.
Diag(ParamLoc, diag::err_template_parameter_default_template_member)
3314 S.
Diag(ParamLoc, diag::err_template_parameter_default_friend_template)
3323 llvm_unreachable(
"Invalid TemplateParamListContext!");
3336 for (
unsigned I = 0, N = Params->
size(); I != N; ++I) {
3341 if (TC->hasExplicitTemplateArgs())
3342 for (
auto &ArgLoc : TC->getTemplateArgsAsWritten()->arguments())
3350 if (!NTTP->isParameterPack() &&
3352 NTTP->getTypeSourceInfo(),
3360 = dyn_cast<TemplateTemplateParmDecl>(
P))
3408 bool SawDefaultArgument =
false;
3414 OldParam = OldParams->
begin();
3416 bool RemoveDefaultArguments =
false;
3418 NewParamEnd = NewParams->
end();
3419 NewParam != NewParamEnd; ++NewParam) {
3422 bool RedundantDefaultArg =
false;
3425 bool InconsistentDefaultArg =
false;
3427 std::string PrevModuleName;
3433 bool MissingDefaultArg =
false;
3436 bool SawParameterPack =
false;
3439 = dyn_cast<TemplateTypeParmDecl>(*NewParam)) {
3441 if (NewTypeParm->hasDefaultArgument() &&
3443 NewTypeParm->getLocation(),
3444 NewTypeParm->getDefaultArgumentInfo()->getTypeLoc()
3446 NewTypeParm->removeDefaultArgument();
3450 = OldParams? cast<TemplateTypeParmDecl>(*OldParam) :
nullptr;
3451 if (NewTypeParm->isParameterPack()) {
3452 assert(!NewTypeParm->hasDefaultArgument() &&
3453 "Parameter packs can't have a default argument!");
3454 SawParameterPack =
true;
3456 NewTypeParm->hasDefaultArgument() &&
3459 NewDefaultLoc = NewTypeParm->getDefaultArgumentLoc();
3460 SawDefaultArgument =
true;
3463 RedundantDefaultArg =
true;
3464 else if (!
getASTContext().isSameDefaultTemplateArgument(OldTypeParm,
3466 InconsistentDefaultArg =
true;
3470 PreviousDefaultArgLoc = NewDefaultLoc;
3474 NewTypeParm->setInheritedDefaultArgument(
Context, OldTypeParm);
3476 }
else if (NewTypeParm->hasDefaultArgument()) {
3477 SawDefaultArgument =
true;
3478 PreviousDefaultArgLoc = NewTypeParm->getDefaultArgumentLoc();
3479 }
else if (SawDefaultArgument)
3480 MissingDefaultArg =
true;
3482 = dyn_cast<NonTypeTemplateParmDecl>(*NewParam)) {
3484 if (!NewNonTypeParm->isParameterPack() &&
3486 NewNonTypeParm->getTypeSourceInfo(),
3493 if (NewNonTypeParm->hasDefaultArgument() &&
3495 NewNonTypeParm->getLocation(),
3496 NewNonTypeParm->getDefaultArgument()->getSourceRange())) {
3497 NewNonTypeParm->removeDefaultArgument();
3502 = OldParams? cast<NonTypeTemplateParmDecl>(*OldParam) :
nullptr;
3503 if (NewNonTypeParm->isParameterPack()) {
3504 assert(!NewNonTypeParm->hasDefaultArgument() &&
3505 "Parameter packs can't have a default argument!");
3506 if (!NewNonTypeParm->isPackExpansion())
3507 SawParameterPack =
true;
3509 NewNonTypeParm->hasDefaultArgument() &&
3512 NewDefaultLoc = NewNonTypeParm->getDefaultArgumentLoc();
3513 SawDefaultArgument =
true;
3515 RedundantDefaultArg =
true;
3517 OldNonTypeParm, NewNonTypeParm)) {
3518 InconsistentDefaultArg =
true;
3522 PreviousDefaultArgLoc = NewDefaultLoc;
3526 NewNonTypeParm->setInheritedDefaultArgument(
Context, OldNonTypeParm);
3528 }
else if (NewNonTypeParm->hasDefaultArgument()) {
3529 SawDefaultArgument =
true;
3530 PreviousDefaultArgLoc = NewNonTypeParm->getDefaultArgumentLoc();
3531 }
else if (SawDefaultArgument)
3532 MissingDefaultArg =
true;
3535 = cast<TemplateTemplateParmDecl>(*NewParam);
3552 = OldParams? cast<TemplateTemplateParmDecl>(*OldParam) :
nullptr;
3555 "Parameter packs can't have a default argument!");
3557 SawParameterPack =
true;
3558 }
else if (OldTemplateParm &&
3564 SawDefaultArgument =
true;
3566 RedundantDefaultArg =
true;
3568 OldTemplateParm, NewTemplateParm)) {
3569 InconsistentDefaultArg =
true;
3573 PreviousDefaultArgLoc = NewDefaultLoc;
3578 PreviousDefaultArgLoc
3581 SawDefaultArgument =
true;
3582 PreviousDefaultArgLoc
3584 }
else if (SawDefaultArgument)
3585 MissingDefaultArg =
true;
3591 if (SawParameterPack && (NewParam + 1) != NewParamEnd &&
3594 Diag((*NewParam)->getLocation(),
3595 diag::err_template_param_pack_must_be_last_template_parameter);
3612 if (RedundantDefaultArg) {
3613 Diag(NewDefaultLoc, diag::err_template_param_default_arg_redefinition);
3614 Diag(OldDefaultLoc, diag::note_template_param_prev_default_arg);
3616 }
else if (InconsistentDefaultArg) {
3620 diag::err_template_param_default_arg_inconsistent_redefinition);
3622 diag::note_template_param_prev_default_arg_in_other_module)
3625 }
else if (MissingDefaultArg &&
3633 Diag((*NewParam)->getLocation(),
3634 diag::err_template_param_default_arg_missing);
3635 Diag(PreviousDefaultArgLoc, diag::note_template_param_prev_default_arg);
3637 RemoveDefaultArguments =
true;
3648 if (RemoveDefaultArguments) {
3650 NewParamEnd = NewParams->
end();
3651 NewParam != NewParamEnd; ++NewParam) {
3655 = dyn_cast<NonTypeTemplateParmDecl>(*NewParam))
3656 NTTP->removeDefaultArgument();
3658 cast<TemplateTemplateParmDecl>(*NewParam)->removeDefaultArgument();
3678 bool IgnoreNonTypeDependent;
3683 DependencyChecker(
unsigned Depth,
bool IgnoreNonTypeDependent)
3684 : Depth(Depth), IgnoreNonTypeDependent(IgnoreNonTypeDependent),
3688 : IgnoreNonTypeDependent(IgnoreNonTypeDependent), Match(
false) {
3691 Depth = PD->getDepth();
3693 dyn_cast<NonTypeTemplateParmDecl>(ND)) {
3694 Depth = PD->getDepth();
3696 Depth = cast<TemplateTemplateParmDecl>(ND)->getDepth();
3701 if (ParmDepth >= Depth) {
3709 bool TraverseStmt(
Stmt *S, DataRecursionQueue *Q =
nullptr) {
3714 if (
auto *E = dyn_cast_or_null<Expr>(S))
3715 if (IgnoreNonTypeDependent && !E->isTypeDependent())
3717 return super::TraverseStmt(S, Q);
3720 bool TraverseTypeLoc(
TypeLoc TL) {
3721 if (IgnoreNonTypeDependent && !TL.
isNull() &&
3724 return super::TraverseTypeLoc(TL);
3733 return IgnoreNonTypeDependent || !Matches(
T->getDepth());
3739 if (Matches(PD->getDepth()))
3741 return super::TraverseTemplateName(N);
3746 dyn_cast<NonTypeTemplateParmDecl>(E->
getDecl()))
3747 if (Matches(PD->getDepth(), E->
getExprLoc()))
3749 return super::VisitDeclRefExpr(E);
3753 return TraverseType(
T->getReplacementType());
3758 return TraverseTemplateArgument(
T->getArgumentPack());
3762 return TraverseType(
T->getInjectedSpecializationType());
3771 if (!Params->
size())
3774 DependencyChecker Checker(Params,
false);
3775 Checker.TraverseType(
T);
3776 return Checker.Match;
3786 if (
const Type *CurType = NNS->getAsType()) {
3835 bool &IsMemberSpecialization,
bool &
Invalid,
bool SuppressDiagnostic) {
3836 IsMemberSpecialization =
false;
3857 while (!
T.isNull()) {
3858 NestedTypes.push_back(
T);
3864 = dyn_cast<ClassTemplateSpecializationDecl>(
Record)) {
3865 if (!isa<ClassTemplatePartialSpecializationDecl>(Spec) &&
3867 ExplicitSpecLoc = Spec->getLocation();
3870 }
else if (
Record->getTemplateSpecializationKind()
3872 ExplicitSpecLoc =
Record->getLocation();
3885 if (
TemplateDecl *Template = TST->getTemplateName().getAsTemplateDecl()) {
3931 std::reverse(NestedTypes.begin(), NestedTypes.end());
3939 bool SawNonEmptyTemplateParameterList =
false;
3941 auto CheckExplicitSpecialization = [&](
SourceRange Range,
bool Recovery) {
3942 if (SawNonEmptyTemplateParameterList) {
3943 if (!SuppressDiagnostic)
3944 Diag(DeclLoc, diag::err_specialize_member_of_template)
3945 << !Recovery << Range;
3947 IsMemberSpecialization =
false;
3954 auto DiagnoseMissingExplicitSpecialization = [&] (
SourceRange Range) {
3956 if (CheckExplicitSpecialization(Range,
true))
3961 if (!ParamLists.empty())
3962 ExpectedTemplateLoc = ParamLists[0]->getTemplateLoc();
3964 ExpectedTemplateLoc = DeclStartLoc;
3966 if (!SuppressDiagnostic)
3967 Diag(DeclLoc, diag::err_template_spec_needs_header)
3974 for (
unsigned TypeIdx = 0, NumTypes = NestedTypes.size(); TypeIdx != NumTypes;
3976 T = NestedTypes[TypeIdx];
3979 bool NeedEmptyTemplateHeader =
false;
3982 bool NeedNonemptyTemplateHeader =
false;
3995 = dyn_cast<ClassTemplatePartialSpecializationDecl>(
Record)) {
3996 ExpectedTemplateParams = Partial->getTemplateParameters();
3997 NeedNonemptyTemplateHeader =
true;
3998 }
else if (
Record->isDependentType()) {
3999 if (
Record->getDescribedClassTemplate()) {
4000 ExpectedTemplateParams =
Record->getDescribedClassTemplate()
4001 ->getTemplateParameters();
4002 NeedNonemptyTemplateHeader =
true;
4005 = dyn_cast<ClassTemplateSpecializationDecl>(
Record)) {
4011 NeedEmptyTemplateHeader =
true;
4014 }
else if (
Record->getTemplateSpecializationKind()) {
4015 if (
Record->getTemplateSpecializationKind()
4017 TypeIdx == NumTypes - 1)
4018 IsMemberSpecialization =
true;
4024 if (
TemplateDecl *Template = TST->getTemplateName().getAsTemplateDecl()) {
4026 NeedNonemptyTemplateHeader =
true;
4031 NeedNonemptyTemplateHeader =
false;
4041 if (
ParamIdx < ParamLists.size()) {
4042 if (ParamLists[
ParamIdx]->size() == 0) {
4043 if (CheckExplicitSpecialization(ParamLists[
ParamIdx]->getSourceRange(),
4047 SawNonEmptyTemplateParameterList =
true;
4050 if (NeedEmptyTemplateHeader) {
4053 if (TypeIdx == NumTypes - 1)
4054 IsMemberSpecialization =
true;
4056 if (
ParamIdx < ParamLists.size()) {
4057 if (ParamLists[
ParamIdx]->size() > 0) {
4059 if (!SuppressDiagnostic)
4061 diag::err_template_param_list_matches_nontemplate)
4064 ParamLists[
ParamIdx]->getRAngleLoc())
4076 if (DiagnoseMissingExplicitSpecialization(
4083 if (NeedNonemptyTemplateHeader) {
4089 if (
ParamIdx < ParamLists.size() &&
4091 ExpectedTemplateParams =
nullptr;
4096 if (
ParamIdx < ParamLists.size()) {
4098 if (ExpectedTemplateParams &&
4100 ExpectedTemplateParams,
4113 if (!SuppressDiagnostic)
4114 Diag(DeclLoc, diag::err_template_spec_needs_template_parameters)
4125 if (
ParamIdx >= ParamLists.size()) {
4126 if (TemplateId && !IsFriend) {
4142 if (
ParamIdx < ParamLists.size() - 1) {
4143 bool HasAnyExplicitSpecHeader =
false;
4144 bool AllExplicitSpecHeaders =
true;
4145 for (
unsigned I =
ParamIdx, E = ParamLists.size() - 1; I != E; ++I) {
4146 if (ParamLists[I]->size() == 0)
4147 HasAnyExplicitSpecHeader =
true;
4149 AllExplicitSpecHeaders =
false;
4152 if (!SuppressDiagnostic)
4154 AllExplicitSpecHeaders ? diag::ext_template_spec_extra_headers
4155 : diag::err_template_spec_extra_headers)
4157 ParamLists[ParamLists.size() - 2]->getRAngleLoc());
4162 if (ExplicitSpecLoc.
isValid() && HasAnyExplicitSpecHeader &&
4163 !SuppressDiagnostic)
4164 Diag(ExplicitSpecLoc,
4165 diag::note_explicit_template_spec_does_not_need_header)
4166 << NestedTypes.back();
4171 if (!AllExplicitSpecHeaders)
4182 if (ParamLists.back()->size() == 0 &&
4183 CheckExplicitSpecialization(ParamLists[
ParamIdx]->getSourceRange(),
4189 return ParamLists.back();
4193 if (
TemplateDecl *Template = Name.getAsTemplateDecl()) {
4195 << (isa<FunctionTemplateDecl>(Template)
4197 : isa<ClassTemplateDecl>(Template)
4199 : isa<VarTemplateDecl>(Template)
4201 : isa<TypeAliasTemplateDecl>(Template) ? 3 : 4)
4210 Diag((*I)->getLocation(), diag::note_template_declared_here)
4211 << 0 << (*I)->getDeclName();
4229 QualType OrigType = Converted[1].getAsType();
4233 SemaRef.
Diag(TemplateArgs[1].getLocation(),
4234 diag::err_integer_sequence_integral_element_type);
4249 OrigType, TemplateArgs[1].getLocation())));
4251 if (llvm::APSInt NumArgs = NumArgsArg.
getAsIntegral(); NumArgs >= 0) {
4253 for (llvm::APSInt I(NumArgs.getBitWidth(), NumArgs.isUnsigned());
4257 TA, OrigType, TemplateArgs[2].getLocation()));
4262 SemaRef.
Diag(TemplateArgs[2].getLocation(),
4263 diag::err_integer_sequence_negative_length);
4270 TemplateLoc, SyntheticTemplateArgs);
4277 assert(Converted.size() == 2 &&
4278 "__type_pack_element should be given an index and a parameter pack");
4286 assert(Index >= 0 &&
"the index used with __type_pack_element should be of "
4287 "type std::size_t, and hence be non-negative");
4289 if (Index >= Ts.pack_size()) {
4290 SemaRef.
Diag(TemplateArgs[0].getLocation(),
4291 diag::err_type_pack_element_out_of_bounds);
4296 int64_t N = Index.getExtValue();
4297 return Ts.getPackAsArray()[N].getAsType();
4299 llvm_unreachable(
"unexpected BuiltinTemplateDecl!");
4318 if (BinOp->getOpcode() == BO_LAnd) {
4325 Terms.push_back(Clause);
4334 if (!BinOp)
return Cond;
4336 if (BinOp->getOpcode() != BO_LOr)
return Cond;
4339 Expr *LHS = BinOp->getLHS();
4341 if (!InnerBinOp)
return Cond;
4343 if (InnerBinOp->getOpcode() != BO_EQ ||
4344 !isa<IntegerLiteral>(InnerBinOp->getRHS()))
4354 if (MacroName ==
"CONCEPT_REQUIRES" || MacroName ==
"CONCEPT_REQUIRES_")
4355 return BinOp->getRHS();
4365class FailedBooleanConditionPrinterHelper :
public PrinterHelper {
4370 bool handledStmt(
Stmt *E, raw_ostream &OS)
override {
4371 const auto *DR = dyn_cast<DeclRefExpr>(E);
4372 if (DR && DR->getQualifier()) {
4375 DR->getQualifier()->print(OS, Policy,
true);
4379 if (
const auto *IV = dyn_cast<VarTemplateSpecializationDecl>(VD)) {
4382 OS, IV->getTemplateArgs().asArray(), Policy,
4383 IV->getSpecializedTemplate()->getTemplateParameters());
4396std::pair<Expr *, std::string>
4405 Expr *FailedCond =
nullptr;
4406 for (
Expr *Term : Terms) {
4410 if (isa<CXXBoolLiteralExpr>(TermAsWritten) ||
4411 isa<IntegerLiteral>(TermAsWritten))
4420 if (Term->EvaluateAsBooleanCondition(Succeeded,
Context) &&
4422 FailedCond = TermAsWritten;
4429 std::string Description;
4431 llvm::raw_string_ostream Out(Description);
4434 FailedBooleanConditionPrinterHelper Helper(Policy);
4435 FailedCond->
printPretty(Out, &Helper, Policy, 0,
"\n",
nullptr);
4437 return { FailedCond, Description };
4444 = Name.getUnderlying().getAsDependentTemplateName();
4454 if (Name.getAsAssumedTemplateName() &&
4459 if (!Template || isa<FunctionTemplateDecl>(Template) ||
4460 isa<VarTemplateDecl>(Template) || isa<ConceptDecl>(Template)) {
4463 if (Name.getAsSubstTemplateTemplateParmPack())
4467 Diag(TemplateLoc, diag::err_template_id_not_a_type)
4477 SugaredConverted, CanonicalConverted,
4484 dyn_cast<TypeAliasTemplateDecl>(Template)) {
4506 std::optional<ContextRAII> SavedContext;
4508 SavedContext.emplace(*
this,
AliasTemplate->getDeclContext());
4513 if (CanonType.
isNull()) {
4519 if (*DeductionInfo &&
4520 (*DeductionInfo)->hasSFINAEDiagnostic() &&
4521 (*DeductionInfo)->peekSFINAEDiagnostic().second.getDiagID() ==
4522 diag::err_typename_nested_not_found_enable_if &&
4523 TemplateArgs[0].getArgument().getKind()
4526 std::string FailedDescription;
4527 std::tie(FailedCond, FailedDescription) =
4533 (*DeductionInfo)->takeSFINAEDiagnostic(OldDiag);
4537 (*DeductionInfo)->addSFINAEDiagnostic(
4539 PDiag(diag::err_typename_nested_not_found_requirement)
4540 << FailedDescription
4548 }
else if (
auto *BTD = dyn_cast<BuiltinTemplateDecl>(Template)) {
4550 TemplateLoc, TemplateArgs);
4551 }
else if (Name.isDependent() ||
4553 TemplateArgs, CanonicalConverted)) {
4562 Name, CanonicalConverted);
4570 if (isa<ClassTemplateDecl>(Template)) {
4573 if (Ctx->isFileContext())
break;
4581 if (!isa<ClassTemplatePartialSpecializationDecl>(
Record) &&
4582 !
Record->getDescribedClassTemplate())
4588 QualType Injected = cast<InjectedClassNameType>(ICNT)
4589 ->getInjectedSpecializationType();
4602 dyn_cast<ClassTemplateDecl>(Template)) {
4605 void *InsertPos =
nullptr;
4607 ClassTemplate->findSpecialization(CanonicalConverted, InsertPos);
4639 assert(isa<RecordType>(CanonType) &&
4640 "type of non-dependent specialization is not a RecordType");
4642 llvm_unreachable(
"Unhandled template kind");
4659 auto *ATN = Name.getAsAssumedTemplateName();
4660 assert(ATN &&
"not an assumed template name");
4661 II = ATN->getDeclName().getAsIdentifierInfo();
4677 assert(ATN &&
"not an assumed template name");
4685 std::unique_ptr<CorrectionCandidateCallback> clone()
override {
4686 return std::make_unique<CandidateCallback>(*
this);
4710 bool IsCtorOrDtorName,
bool IsClassName,
4715 if (!IsCtorOrDtorName && !IsClassName && SS.
isSet()) {
4741 TemplateD, TemplateII, TemplateIILoc, LAngleLoc,
4742 TemplateArgsIn, RAngleLoc);
4749 auto *LookupRD = dyn_cast_or_null<CXXRecordDecl>(LookupCtx);
4750 if (LookupRD && LookupRD->getIdentifier() == TemplateII) {
4753 ? diag::err_out_of_line_qualified_id_type_names_constructor
4754 : diag::ext_out_of_line_qualified_id_type_names_constructor)
4784 for (
unsigned I = 0, N = SpecTL.
getNumArgs(); I != N; ++I)
4801 for (
unsigned i = 0, e = SpecTL.
getNumArgs(); i != e; ++i)
4842 Keyword, DTN->getQualifier(), DTN->getIdentifier(),
4855 for (
unsigned I = 0, N = SpecTL.
getNumArgs(); I != N; ++I)
4866 Diag(TemplateLoc, diag::err_tag_reference_non_tag)
4868 Diag(TAT->getLocation(), diag::note_declared_at);
4880 assert(
Id &&
"templated class must have an identifier");
4884 Diag(TagLoc, diag::err_use_with_wrong_tag)
4899 for (
unsigned i = 0, e = SpecTL.
getNumArgs(); i != e; ++i)
4934 return TPT && !
Type.hasQualifiers() &&
4943 dyn_cast<NonTypeTemplateParmDecl>(DRE->
getDecl());
4949 dyn_cast_or_null<TemplateTemplateParmDecl>(
4953 llvm_unreachable(
"unexpected kind of template argument");
4958 if (Params->
size() != Args.size())
4961 unsigned Depth = Params->
getDepth();
4963 for (
unsigned I = 0, N = Args.size(); I != N; ++I) {
4982template<
typename PartialSpecDecl>
4984 if (Partial->getDeclContext()->isDependentContext())
4993 auto *Template = Partial->getSpecializedTemplate();
4994 S.
Diag(Partial->getLocation(),
4995 diag::ext_partial_spec_not_more_specialized_than_primary)
4996 << isa<VarTemplateDecl>(Template);
5005 diag::note_partial_spec_not_more_specialized_than_primary)
5012 Partial->getAssociatedConstraints(PartialAC);
5019 const llvm::SmallBitVector &DeducibleParams) {
5020 for (
unsigned I = 0, N = DeducibleParams.size(); I != N; ++I) {
5021 if (!DeducibleParams[I]) {
5034template<
typename PartialSpecDecl>
5036 PartialSpecDecl *Partial) {
5049 auto *TemplateParams = Partial->getTemplateParameters();
5050 llvm::SmallBitVector DeducibleParams(TemplateParams->size());
5052 TemplateParams->getDepth(), DeducibleParams);
5054 if (!DeducibleParams.all()) {
5055 unsigned NumNonDeducible = DeducibleParams.size() - DeducibleParams.count();
5056 S.
Diag(Partial->getLocation(), diag::ext_partial_specs_not_deducible)
5057 << isa<VarTemplatePartialSpecializationDecl>(Partial)
5058 << (NumNonDeducible > 1)
5060 Partial->getTemplateArgsAsWritten()->RAngleLoc);
5081 llvm::SmallBitVector DeducibleParams(TemplateParams->size());
5083 for (
unsigned I = 0; I != TemplateParams->size(); ++I) {
5085 auto *Param = TemplateParams->getParam(I);
5087 DeducibleParams[I] =
true;
5090 if (!DeducibleParams.all()) {
5091 unsigned NumNonDeducible = DeducibleParams.size() - DeducibleParams.count();
5092 Diag(TD->
getLocation(), diag::err_deduction_guide_template_not_deducible)
5093 << (NumNonDeducible > 1);
5104 "Variable template specialization is declared with a template id.");
5117 dyn_cast_or_null<VarTemplateDecl>(Name.getAsTemplateDecl());
5120 if (
auto *OTS = Name.getAsOverloadedTemplate())
5121 FnTemplate = *OTS->begin();
5123 FnTemplate = dyn_cast_or_null<FunctionTemplateDecl>(Name.getAsTemplateDecl());
5132 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
5143 false, SugaredConverted, CanonicalConverted,
5151 TemplateArgs.
size(),
5152 CanonicalConverted))
5157 if (!Name.isDependent() &&
5159 TemplateArgs, CanonicalConverted)) {
5160 Diag(TemplateNameLoc, diag::err_partial_spec_fully_specialized)
5166 CanonicalConverted) &&
5173 Diag(TemplateNameLoc, diag::err_partial_spec_args_match_primary_template)
5183 void *InsertPos =
nullptr;
5187 PrevDecl =
VarTemplate->findPartialSpecialization(
5188 CanonicalConverted, TemplateParams, InsertPos);
5190 PrevDecl =
VarTemplate->findSpecialization(CanonicalConverted, InsertPos);
5212 cast_or_null<VarTemplatePartialSpecializationDecl>(PrevDecl);
5217 CanonicalConverted, TemplateArgs);
5220 VarTemplate->AddPartialSpecialization(Partial, InsertPos);
5259 Diag(TemplateNameLoc, diag::err_specialization_after_instantiation)
5263 diag::note_instantiation_required_here)
5294struct PartialSpecMatchResult {
5304 assert(Template &&
"A variable template id without template?");
5309 Template, TemplateNameLoc,
5311 SugaredConverted, CanonicalConverted,
5318 TemplateArgs, CanonicalConverted))
5323 void *InsertPos =
nullptr;
5337 bool AmbiguousPartialSpec =
false;
5352 for (
unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) {
5366 Matched.push_back(PartialSpecMatchResult());
5367 Matched.back().Partial = Partial;
5372 if (Matched.size() >= 1) {
5374 if (Matched.size() == 1) {
5387 PEnd = Matched.end();
5390 PointOfInstantiation) ==
5398 PEnd = Matched.end();
5401 P->Partial, Best->Partial,
5402 PointOfInstantiation) != Best->Partial) {
5403 AmbiguousPartialSpec =
true;
5410 InstantiationPattern = Best->Partial;
5411 PartialSpecArgs = Best->Args;
5423 Template, InstantiationPattern, PartialSpecArgs, TemplateArgs,
5424 CanonicalConverted, TemplateNameLoc );
5428 if (AmbiguousPartialSpec) {
5431 Diag(PointOfInstantiation, diag::err_partial_spec_ordering_ambiguous)
5436 Diag(
P.Partial->getLocation(), diag::note_partial_spec_match)
5443 dyn_cast<VarTemplatePartialSpecializationDecl>(InstantiationPattern))
5444 Decl->setInstantiationOf(D, PartialSpecArgs);
5448 assert(
Decl &&
"No variable template specialization?");
5459 if (
Decl.isInvalid())
5476 Diag(Loc, diag::err_template_missing_args)
5490 assert(NamedConcept &&
"A concept template id without a template?");
5494 NamedConcept, ConceptNameInfo.
getLoc(),
5496 false, SugaredConverted, CanonicalConverted,
5502 CanonicalConverted);
5504 bool AreArgsDependent =
5506 *TemplateArgs, CanonicalConverted);
5514 if (!AreArgsDependent &&
5524 TemplateKWLoc, ConceptNameInfo, FoundDecl, NamedConcept,
5527 Context, CL, CSD, AreArgsDependent ?
nullptr : &Satisfaction);
5546 assert(!R.
isAmbiguous() &&
"ambiguous lookup when building templateid");
5550 if (!TemplateArgs && !isa<FunctionTemplateDecl>(TD)) {
5555 bool KnownDependent =
false;
5564 KnownDependent =
true;
5579 R.
begin(), R.
end(), KnownDependent);
5591 assert(TemplateArgs || TemplateKWLoc.
isValid());
5598 bool MemberOfUnknownSpecialization;
5601 false, MemberOfUnknownSpecialization,
5614 auto DiagnoseTypeTemplateDecl = [&](
TemplateDecl *Temp,
5615 bool isTypeAliasTemplateDecl) {
5616 Diag(NameInfo.
getLoc(), diag::err_template_kw_refers_to_type_template)
5618 << isTypeAliasTemplateDecl;
5624 return DiagnoseTypeTemplateDecl(Temp,
false);
5627 return DiagnoseTypeTemplateDecl(Temp,
true);
5651 bool EnteringContext,
5653 bool AllowInjectedClassName) {
5654 if (TemplateKWLoc.
isValid() && S && !S->getTemplateParamParent())
5657 diag::warn_cxx98_compat_template_outside_of_template :
5658 diag::ext_template_outside_of_template)
5668 else if (ObjectType)
5687 bool MemberOfUnknownSpecialization;
5689 ObjectType, EnteringContext,
Result,
5690 MemberOfUnknownSpecialization);
5693 auto *LookupRD = dyn_cast_or_null<CXXRecordDecl>(LookupCtx);
5694 if (!AllowInjectedClassName && SS.
isNotEmpty() && LookupRD &&
5696 Name.Identifier && LookupRD->getIdentifier() == Name.Identifier) {
5706 Diag(Name.getBeginLoc(),
5707 diag::ext_out_of_line_qualified_id_type_names_constructor)
5715 if (!MemberOfUnknownSpecialization) {
5730 RTK,
nullptr,
false) &&
5733 Diag(Name.getBeginLoc(), diag::err_no_member)
5736 Diag(Name.getBeginLoc(), diag::err_undeclared_use)
5744 switch (Name.getKind()) {
5752 Qualifier, Name.OperatorFunctionId.Operator));
5766 Diag(Name.getBeginLoc(),
5767 diag::err_template_kw_refers_to_dependent_non_template)
5769 << TemplateKWLoc.
isValid() << TemplateKWLoc;
5806 dyn_cast<DependentScopeDeclRefExpr>(Arg.
getAsExpr())) {
5807 SS.
Adopt(ArgExpr->getQualifierLoc());
5808 NameInfo = ArgExpr->getNameInfo();
5810 dyn_cast<CXXDependentScopeMemberExpr>(Arg.
getAsExpr())) {
5811 if (ArgExpr->isImplicitAccess()) {
5812 SS.
Adopt(ArgExpr->getQualifierLoc());
5813 NameInfo = ArgExpr->getMemberNameInfo();
5822 Result.getResultKind() ==
5824 assert(SS.
getScopeRep() &&
"dependent scope expr must has a scope!");
5828 ? diag::ext_ms_template_type_arg_missing_typename
5829 : diag::err_template_arg_must_be_type_suggest)
5861 SugaredConverted.push_back(Arg);
5862 CanonicalConverted.push_back(Arg);
5868 Diag(SR.
getBegin(), diag::err_template_arg_must_be_type) << SR;
5890 CanonicalConverted.push_back(
5935 for (
unsigned i = 0, e = Param->
getDepth(); i != e; ++i)
5938 bool ForLambdaCallOperator =
false;
5939 if (
const auto *Rec = dyn_cast<CXXRecordDecl>(Template->
getDeclContext()))
5940 ForLambdaCallOperator = Rec->isLambda();
5942 !ForLambdaCallOperator);
5944 SemaRef.
SubstType(ArgType, TemplateArgLists,
5987 for (
unsigned i = 0, e = Param->
getDepth(); i != e; ++i)
6029 SugaredConverted,
SourceRange(TemplateLoc, RAngleLoc));
6036 for (
unsigned i = 0, e = Param->
getDepth(); i != e; ++i)
6064 HasDefaultArg =
false;
6070 HasDefaultArg =
true;
6072 *
this, Template, TemplateLoc, RAngleLoc, TypeParm, SugaredConverted,
6073 CanonicalConverted);
6081 = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
6085 HasDefaultArg =
true;
6087 *
this, Template, TemplateLoc, RAngleLoc, NonTypeParm, SugaredConverted,
6088 CanonicalConverted);
6097 = cast<TemplateTemplateParmDecl>(Param);
6101 HasDefaultArg =
true;
6104 *
this, Template, TemplateLoc, RAngleLoc, TempTempParm, SugaredConverted,
6105 CanonicalConverted, QualifierLoc);
6126 QualLoc = ETLoc.getQualifierLoc();
6127 TLoc = ETLoc.getNamedTypeLoc();
6133 QualLoc, InjLoc.getNameLoc());
6141 dyn_cast<ClassTemplateSpecializationDecl>(RecLoc.getDecl()))
6144 QualLoc, RecLoc.getNameLoc());
6178 unsigned ArgumentPackIndex,
6185 CanonicalConverted);
6192 QualType NTTPType = NTTP->getType();
6193 if (NTTP->isParameterPack() && NTTP->isExpandedParameterPack())
6194 NTTPType = NTTP->getExpansionType(ArgumentPackIndex);
6197 !isa<TemplateTemplateParmDecl>(Template) &&
6212 NTTPType =
SubstType(PET->getPattern(), MLTAL, NTTP->getLocation(),
6213 NTTP->getDeclName());
6215 NTTPType =
SubstType(NTTPType, MLTAL, NTTP->getLocation(),
6216 NTTP->getDeclName());
6223 NTTP->getLocation());
6230 llvm_unreachable(
"Should never see a NULL template argument here");
6237 CanonicalResult, CTAK);
6246 if (Res.
get() != E) {
6251 SugaredConverted.push_back(SugaredResult);
6252 CanonicalConverted.push_back(CanonicalResult);
6263 CanonicalConverted.push_back(
6306 SugaredConverted.push_back(SugaredResult);
6307 CanonicalConverted.push_back(CanonicalResult);
6334 Diag(SR.
getBegin(), diag::err_template_arg_nontype_ambig) << SR <<
T;
6336 Diag(SR.
getBegin(), diag::err_template_arg_must_be_expr) << SR;
6342 llvm_unreachable(
"Caller must expand template argument packs");
6373 Template, SugaredConverted,
true),
6392 llvm_unreachable(
"Should never see a NULL template argument here");
6400 CanonicalConverted.push_back(
6416 llvm_unreachable(
"non-type argument with template template parameter");
6419 llvm_unreachable(
"Caller must expand template argument packs");
6426template<
typename TemplateParmDecl>
6429 const TemplateParmDecl *D,
6434 ->getTemplateParameters()
6435 ->getParam(D->getIndex()));
6442 D->getDefaultArgumentLoc(), Modules,
6453 S.
Diag(Loc, diag::err_template_arg_list_different_arity)
6487 bool isTemplateTemplateParameter = isa<TemplateTemplateParmDecl>(Template);
6490 unsigned ArgIdx = 0, NumArgs = NewArgs.
size();
6493 ParamEnd = Params->
end();
6494 Param != ParamEnd; ) {
6498 if (*Expansions == SugaredArgumentPack.size()) {
6501 SugaredConverted.push_back(
6503 SugaredArgumentPack.clear();
6505 CanonicalConverted.push_back(
6507 CanonicalArgumentPack.clear();
6512 }
else if (ArgIdx == NumArgs && !PartialTemplateArgs) {
6514 Diag(TemplateLoc, diag::err_template_arg_list_different_arity)
6523 if (ArgIdx < NumArgs) {
6526 RAngleLoc, SugaredArgumentPack.size(),
6527 SugaredConverted, CanonicalConverted,
6531 CanonicalConverted.back().setIsDefaulted(
6534 CanonicalConverted, Params->
getDepth()));
6536 bool PackExpansionIntoNonPack =
6537 NewArgs[ArgIdx].getArgument().isPackExpansion() &&
6539 if (PackExpansionIntoNonPack && (isa<TypeAliasTemplateDecl>(Template) ||
6540 isa<ConceptDecl>(Template))) {
6546 Diag(NewArgs[ArgIdx].getLocation(),
6547 diag::err_template_expansion_into_fixed_list)
6548 << (isa<ConceptDecl>(Template) ? 1 : 0)
6549 << NewArgs[ArgIdx].getSourceRange();
6557 if ((*Param)->isTemplateParameterPack()) {
6562 SugaredArgumentPack.push_back(SugaredConverted.pop_back_val());
6563 CanonicalArgumentPack.push_back(CanonicalConverted.pop_back_val());
6572 if (PackExpansionIntoNonPack) {
6573 if (!SugaredArgumentPack.empty()) {
6576 SugaredConverted.insert(SugaredConverted.end(),
6577 SugaredArgumentPack.begin(),
6578 SugaredArgumentPack.end());
6579 SugaredArgumentPack.clear();
6581 CanonicalConverted.insert(CanonicalConverted.end(),
6582 CanonicalArgumentPack.begin(),
6583 CanonicalArgumentPack.end());
6584 CanonicalArgumentPack.clear();
6587 while (ArgIdx < NumArgs) {
6589 SugaredConverted.push_back(Arg);
6590 CanonicalConverted.push_back(
6602 if (PartialTemplateArgs) {
6603 if ((*Param)->isTemplateParameterPack() && !SugaredArgumentPack.empty()) {
6604 SugaredConverted.push_back(
6606 CanonicalConverted.push_back(
6614 if ((*Param)->isTemplateParameterPack()) {
6616 "Should have dealt with this already");
6621 if (Param + 1 != ParamEnd) {
6624 "Concept templates must have parameter packs at the end.");
6628 SugaredConverted.push_back(
6630 SugaredArgumentPack.clear();
6632 CanonicalConverted.push_back(
6634 CanonicalArgumentPack.clear();
6654 *
this, Template, TemplateLoc, RAngleLoc, TTP, SugaredConverted,
6655 CanonicalConverted);
6662 = dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
6668 *
this, Template, TemplateLoc, RAngleLoc, NTTP, SugaredConverted,
6669 CanonicalConverted);
6677 = cast<TemplateTemplateParmDecl>(*Param);
6685 *
this, Template, TemplateLoc, RAngleLoc, TempParm, SugaredConverted,
6686 CanonicalConverted, QualifierLoc);
6707 SugaredConverted, CanonicalConverted,
6711 CanonicalConverted.back().setIsDefaulted(
true);
6716 if (isTemplateTemplateParameter)
6730 while (ArgIdx < NumArgs &&
6731 NewArgs[ArgIdx].
getArgument().isPackExpansion()) {
6733 SugaredConverted.push_back(Arg);
6740 if (ArgIdx < NumArgs) {
6741 Diag(TemplateLoc, diag::err_template_arg_list_different_arity)
6752 if (UpdateArgsWithConversions)
6753 TemplateArgs = std::move(NewArgs);
6755 if (!PartialTemplateArgs) {
6762 if (
auto *TD = dyn_cast<TemplateDecl>(NewContext))
6764 auto *RD = dyn_cast<CXXRecordDecl>(NewContext);
6767 if (
const auto *Method =
6769 ThisQuals = Method->getMethodQualifiers();
6775 Template, NewContext,
false, CanonicalConverted,
6792 class UnnamedLocalNoLinkageFinder
6793 :
public TypeVisitor<UnnamedLocalNoLinkageFinder, bool>
6801 UnnamedLocalNoLinkageFinder(
Sema &S,
SourceRange SR) : S(S), SR(SR) { }
6804 return T.isNull() ?
false : inherited::Visit(
T.getTypePtr());
6807#define TYPE(Class, Parent) \
6808 bool Visit##Class##Type(const Class##Type *);
6809#define ABSTRACT_TYPE(Class, Parent) \
6810 bool Visit##Class##Type(const Class##Type *) { return false; }
6811#define NON_CANONICAL_TYPE(Class, Parent) \
6812 bool Visit##Class##Type(const Class##Type *) { return false; }
6813#include "clang/AST/TypeNodes.inc"
6815 bool VisitTagDecl(
const TagDecl *Tag);
6820bool UnnamedLocalNoLinkageFinder::VisitBuiltinType(
const BuiltinType*) {
6824bool UnnamedLocalNoLinkageFinder::VisitComplexType(
const ComplexType*
T) {
6825 return Visit(
T->getElementType());
6828bool UnnamedLocalNoLinkageFinder::VisitPointerType(
const PointerType*
T) {
6832bool UnnamedLocalNoLinkageFinder::VisitBlockPointerType(
6837bool UnnamedLocalNoLinkageFinder::VisitLValueReferenceType(
6842bool UnnamedLocalNoLinkageFinder::VisitRValueReferenceType(
6847bool UnnamedLocalNoLinkageFinder::VisitMemberPointerType(
6852bool UnnamedLocalNoLinkageFinder::VisitConstantArrayType(
6854 return Visit(
T->getElementType());
6857bool UnnamedLocalNoLinkageFinder::VisitIncompleteArrayType(
6859 return Visit(
T->getElementType());
6862bool UnnamedLocalNoLinkageFinder::VisitVariableArrayType(
6864 return Visit(
T->getElementType());
6867bool UnnamedLocalNoLinkageFinder::VisitDependentSizedArrayType(
6869 return Visit(
T->getElementType());
6872bool UnnamedLocalNoLinkageFinder::VisitDependentSizedExtVectorType(
6874 return Visit(
T->getElementType());
6877bool UnnamedLocalNoLinkageFinder::VisitDependentSizedMatrixType(
6879 return Visit(
T->getElementType());
6882bool UnnamedLocalNoLinkageFinder::VisitDependentAddressSpaceType(
6887bool UnnamedLocalNoLinkageFinder::VisitVectorType(
const VectorType*
T) {
6888 return Visit(
T->getElementType());
6891bool UnnamedLocalNoLinkageFinder::VisitDependentVectorType(
6893 return Visit(
T->getElementType());
6896bool UnnamedLocalNoLinkageFinder::VisitExtVectorType(
const ExtVectorType*
T) {
6897 return Visit(
T->getElementType());
6900bool UnnamedLocalNoLinkageFinder::VisitConstantMatrixType(
6902 return Visit(
T->getElementType());
6905bool UnnamedLocalNoLinkageFinder::VisitFunctionProtoType(
6915bool UnnamedLocalNoLinkageFinder::VisitFunctionNoProtoType(
6920bool UnnamedLocalNoLinkageFinder::VisitUnresolvedUsingType(
6925bool UnnamedLocalNoLinkageFinder::VisitTypeOfExprType(
const TypeOfExprType*) {
6929bool UnnamedLocalNoLinkageFinder::VisitTypeOfType(
const TypeOfType*
T) {
6930 return Visit(
T->getUnmodifiedType());
6933bool UnnamedLocalNoLinkageFinder::VisitDecltypeType(
const DecltypeType*) {
6937bool UnnamedLocalNoLinkageFinder::VisitPackIndexingType(
6942bool UnnamedLocalNoLinkageFinder::VisitUnaryTransformType(
6947bool UnnamedLocalNoLinkageFinder::VisitAutoType(
const AutoType *
T) {
6948 return Visit(
T->getDeducedType());
6951bool UnnamedLocalNoLinkageFinder::VisitDeducedTemplateSpecializationType(
6953 return Visit(
T->getDeducedType());
6956bool UnnamedLocalNoLinkageFinder::VisitRecordType(
const RecordType*
T) {
6957 return VisitTagDecl(
T->getDecl());
6960bool UnnamedLocalNoLinkageFinder::VisitEnumType(
const EnumType*
T) {
6961 return VisitTagDecl(
T->getDecl());
6964bool UnnamedLocalNoLinkageFinder::VisitTemplateTypeParmType(
6969bool UnnamedLocalNoLinkageFinder::VisitSubstTemplateTypeParmPackType(
6974bool UnnamedLocalNoLinkageFinder::VisitTemplateSpecializationType(
6979bool UnnamedLocalNoLinkageFinder::VisitInjectedClassNameType(
6981 return VisitTagDecl(
T->getDecl());
6984bool UnnamedLocalNoLinkageFinder::VisitDependentNameType(
6986 return VisitNestedNameSpecifier(
T->getQualifier());
6989bool UnnamedLocalNoLinkageFinder::VisitDependentTemplateSpecializationType(
6991 if (
auto *Q =
T->getQualifier())
6992 return VisitNestedNameSpecifier(Q);
6996bool UnnamedLocalNoLinkageFinder::VisitPackExpansionType(
6998 return Visit(
T->getPattern());
7001bool UnnamedLocalNoLinkageFinder::VisitObjCObjectType(
const ObjCObjectType *) {
7005bool UnnamedLocalNoLinkageFinder::VisitObjCInterfaceType(
7010bool UnnamedLocalNoLinkageFinder::VisitObjCObjectPointerType(
7015bool UnnamedLocalNoLinkageFinder::VisitAtomicType(
const AtomicType*
T) {
7016 return Visit(
T->getValueType());
7019bool UnnamedLocalNoLinkageFinder::VisitPipeType(
const PipeType*
T) {
7023bool UnnamedLocalNoLinkageFinder::VisitBitIntType(
const BitIntType *
T) {
7027bool UnnamedLocalNoLinkageFinder::VisitArrayParameterType(
7029 return VisitConstantArrayType(
T);
7032bool UnnamedLocalNoLinkageFinder::VisitDependentBitIntType(
7037bool UnnamedLocalNoLinkageFinder::VisitTagDecl(
const TagDecl *Tag) {
7039 S.
Diag(SR.getBegin(),
7041 diag::warn_cxx98_compat_template_arg_local_type :
7042 diag::ext_template_arg_local_type)
7048 S.
Diag(SR.getBegin(),
7050 diag::warn_cxx98_compat_template_arg_unnamed_type :
7051 diag::ext_template_arg_unnamed_type) << SR;
7059bool UnnamedLocalNoLinkageFinder::VisitNestedNameSpecifier(
7077 llvm_unreachable(
"Invalid NestedNameSpecifier::Kind!");
7086 assert(ArgInfo &&
"invalid TypeSourceInfo");
7092 return Diag(SR.
getBegin(), diag::err_variably_modified_template_arg) << Arg;
7094 return Diag(SR.
getBegin(), diag::err_template_arg_overload_type) << SR;
7105 UnnamedLocalNoLinkageFinder Finder(*
this, SR);
7106 (void)Finder.Visit(CanonArg);
7123 Decl *Entity =
nullptr) {
7129 if (Entity && Entity->hasAttr<DLLImportAttr>())
7134 "Incomplete parameter type in isNullPointerValueTemplateArgument!");
7147 EvalResult.
Diag = &Notes;
7155 if (Notes.size() == 1 && Notes[0].second.getDiagID() ==
7156 diag::note_invalid_subexpr_in_const_expr) {
7157 DiagLoc = Notes[0].first;
7161 S.
Diag(DiagLoc, diag::err_template_arg_not_address_constant)
7163 for (
unsigned I = 0, N = Notes.size(); I != N; ++I)
7164 S.
Diag(Notes[I].first, Notes[I].second);
7182 bool ObjCLifetimeConversion;
7185 ObjCLifetimeConversion))
7190 S.
Diag(Arg->
getExprLoc(), diag::err_template_arg_wrongtype_null_constant)
7209 std::string Code =
"static_cast<" + ParamType.
getAsString() +
">(";
7210 S.
Diag(Arg->
getExprLoc(), diag::err_template_arg_untyped_null_constant)
7229 bool ObjCLifetimeConversion;
7233 ObjCLifetimeConversion)) {
7238 if (!ParamRef->getPointeeType()->isFunctionType()) {
7248 unsigned ParamQuals = ParamRef->getPointeeType().getCVRQualifiers();
7251 if ((ParamQuals | ArgQuals) != ParamQuals) {
7253 diag::err_template_arg_ref_bind_ignores_quals)
7290 bool AddressTaken =
false;
7297 bool ExtWarnMSTemplateArg =
false;
7300 while (
UnaryOperator *UnOp = dyn_cast<UnaryOperator>(Arg)) {
7302 if (UnOpKind == UO_Deref)
7303 ExtWarnMSTemplateArg =
true;
7304 if (UnOpKind == UO_AddrOf || UnOpKind == UO_Deref) {
7307 FirstOpKind = UnOpKind;
7308 FirstOpLoc = UnOp->getOperatorLoc();
7314 if (ExtWarnMSTemplateArg)
7318 if (FirstOpKind == UO_AddrOf)
7319 AddressTaken =
true;
7323 assert(FirstOpKind == UO_Deref);
7346 bool ExtraParens =
false;
7348 if (!
Invalid && !ExtraParens) {
7351 ? diag::warn_cxx98_compat_template_arg_extra_parens
7352 : diag::ext_template_arg_extra_parens)
7357 Arg =
Parens->getSubExpr();
7361 dyn_cast<SubstNonTypeTemplateParmExpr>(Arg))
7365 if (UnOp->getOpcode() == UO_AddrOf) {
7366 Arg = UnOp->getSubExpr();
7367 AddressTaken =
true;
7368 AddrOpLoc = UnOp->getOperatorLoc();
7373 dyn_cast<SubstNonTypeTemplateParmExpr>(Arg))
7378 if (
DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Arg))
7379 Entity = DRE->getDecl();
7381 Entity = CUE->getGuidDecl();
7388 S.
Diag(Arg->
getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
7391 CanonicalConverted =
7408 CanonicalConverted =
7421 if (isa<FieldDecl>(Entity) || isa<IndirectFieldDecl>(Entity)) {
7429 if (
CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(Entity)) {
7430 if (!Method->isStatic()) {
7439 VarDecl *Var = dyn_cast<VarDecl>(Entity);
7440 MSGuidDecl *Guid = dyn_cast<MSGuidDecl>(Entity);
7443 if (!
Func && !Var && !Guid) {
7455 ? diag::warn_cxx98_compat_template_arg_object_internal
7456 : diag::ext_template_arg_object_internal)
7458 S.
Diag(Entity->
getLocation(), diag::note_template_arg_internal_object)
7463 S.
Diag(Entity->
getLocation(), diag::note_template_arg_internal_object)
7492 S.
Diag(AddrOpLoc, diag::err_template_arg_address_of_non_pointer)
7498 S.
Diag(AddrOpLoc, diag::err_template_arg_address_of_non_pointer)
7540 CanonicalConverted =
7556 Expr *Arg = ResultArg;
7557 bool ObjCLifetimeConversion;
7569 bool ExtraParens =
false;
7571 if (!
Invalid && !ExtraParens) {
7574 ? diag::warn_cxx98_compat_template_arg_extra_parens
7575 : diag::ext_template_arg_extra_parens)
7580 Arg =
Parens->getSubExpr();
7584 dyn_cast<SubstNonTypeTemplateParmExpr>(Arg))
7589 if (UnOp->getOpcode() == UO_AddrOf) {
7590 DRE = dyn_cast<DeclRefExpr>(UnOp->getSubExpr());
7596 else if ((DRE = dyn_cast<DeclRefExpr>(Arg))) {
7599 if (isa<NonTypeTemplateParmDecl>(VD)) {
7602 CanonicalConverted =
7606 CanonicalConverted =
7625 S.
Diag(ResultArg->
getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
7637 ObjCLifetimeConversion)) {
7644 S.
Diag(ResultArg->
getBeginLoc(), diag::err_template_arg_not_convertible)
7652 diag::err_template_arg_not_pointer_to_member_form)
7655 if (isa<FieldDecl>(DRE->
getDecl()) ||
7656 isa<IndirectFieldDecl>(DRE->
getDecl()) ||
7657 isa<CXXMethodDecl>(DRE->
getDecl())) {
7658 assert((isa<FieldDecl>(DRE->
getDecl()) ||
7659 isa<IndirectFieldDecl>(DRE->
getDecl()) ||
7660 cast<CXXMethodDecl>(DRE->
getDecl())
7661 ->isImplicitObjectMemberFunction()) &&
7662 "Only non-static member pointers can make it here");
7668 CanonicalConverted =
7673 CanonicalConverted =
7681 S.
Diag(Arg->
getBeginLoc(), diag::err_template_arg_not_pointer_to_member_form)
7710 auto *AT = dyn_cast<AutoType>(DeducedT);
7711 if (AT && AT->isDecltypeAuto()) {
7722 Expr *DeductionArg = Arg;
7723 if (
auto *PE = dyn_cast<PackExpansionExpr>(DeductionArg))
7724 DeductionArg = PE->getPattern();
7727 if (isa<DeducedTemplateSpecializationType>(DeducedT)) {
7731 DeductionArg->
getBeginLoc(),
false, DeductionArg);
7732 Expr *Inits[1] = {DeductionArg};
7755 diag::err_non_type_template_parm_type_deduction_failure)
7767 if (ParamType.
isNull()) {
7775 "non-type template parameter type cannot be qualified");
7801 Diag(StartLoc, diag::err_deduced_non_type_template_arg_type_mismatch)
7812 auto *PE = dyn_cast<PackExpansionExpr>(Arg);
7814 Arg = PE->getPattern();
7826 PE->getNumExpansions());
7844 if (ParamType->
isRecordType() && isa<DeclRefExpr>(InnerArg) &&
7846 NamedDecl *ND = cast<DeclRefExpr>(InnerArg)->getDecl();
7847 if (
auto *TPO = dyn_cast<TemplateParamObjectDecl>(ND)) {
7850 CanonicalConverted =
7854 if (isa<NonTypeTemplateParmDecl>(ND)) {
7856 CanonicalConverted =
7867 bool IsConvertedConstantExpression =
true;
7868 if (isa<InitListExpr>(Arg) || ParamType->
isRecordType()) {
7871 Expr *Inits[1] = {Arg};
7885 IsConvertedConstantExpression =
false;
7894 if (IsConvertedConstantExpression) {
7907 CanonicalConverted =
7915 false, PreNarrowingValue);
7919 if (
Value.isLValue()) {
7932 isa<LifetimeExtendedTemporaryDecl, UnnamedGlobalConstantDecl>(VD))) {
7938 if (
Value.hasLValuePath() &&
Value.getLValuePath().size() == 1 && VD &&
7940 Value.getLValuePath()[0].getAsArrayIndex() == 0 &&
7945 return ArgResult.
get();
7950 if (!
Value.hasLValuePath() ||
Value.getLValuePath().size() ||
7951 Value.isLValueOnePastTheEnd()) {
7952 Diag(StartLoc, diag::err_non_type_template_arg_subobject)
7957 "null reference should not be a constant expression");
7959 "non-null value of type nullptr_t?");
7963 if (
Value.isAddrLabelDiff())
7964 return Diag(StartLoc, diag::err_non_type_template_arg_addr_label_diff);
7968 return ArgResult.
get();
8006 CanonicalConverted =
8016 IntegerType =
Enum->getDecl()->getIntegerType();
8022 CanonicalConverted =
8030 Arg = ArgResult.
get();
8043 Diag(Arg->
getBeginLoc(), diag::err_template_arg_not_integral_or_enumeral)
8056 return S.
Diag(Loc, diag::err_template_arg_not_ice) <<
T;
8058 } Diagnoser(ArgType);
8094 CanonicalConverted =
8101 IntegerType =
Enum->getDecl()->getIntegerType();
8108 if (
Value.getBitWidth() != AllowedBits)
8112 llvm::APSInt OldValue =
Value;
8119 if (
Value.getBitWidth() != AllowedBits)
8125 (OldValue.isSigned() && OldValue.isNegative())) {
8133 unsigned RequiredBits;
8135 RequiredBits = OldValue.getActiveBits();
8136 else if (OldValue.isUnsigned())
8137 RequiredBits = OldValue.getActiveBits() + 1;
8139 RequiredBits = OldValue.getSignificantBits();
8140 if (RequiredBits > AllowedBits) {
8150 CanonicalConverted =
8200 *
this, Param, ParamType, Arg, SugaredConverted,
8201 CanonicalConverted))
8207 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
8218 "Only object pointers allowed here");
8221 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
8233 assert(ParamRefType->getPointeeType()->isIncompleteOrObjectType() &&
8234 "Only object references allowed here");
8238 ParamRefType->getPointeeType(),
8253 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
8262 CanonicalConverted =
8270 << Arg->
getType() << ParamType;
8278 Diag(Arg->
getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
8292 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
8313 assert(Name.isDependent() &&
"Non-dependent template isn't a declaration?");
8332 if (!isa<ClassTemplateDecl>(Template) &&
8333 !isa<TemplateTemplateParmDecl>(Template) &&
8334 !isa<TypeAliasTemplateDecl>(Template) &&
8335 !isa<BuiltinTemplateDecl>(Template)) {
8336 assert(isa<FunctionTemplateDecl>(Template) &&
8337 "Only function templates are possible here");
8339 Diag(Template->
getLocation(), diag::note_template_arg_refers_here_func)
8374 if (ParamsAC.empty())
8379 bool IsParamAtLeastAsConstrained;
8381 IsParamAtLeastAsConstrained))
8383 if (!IsParamAtLeastAsConstrained) {
8385 diag::err_template_template_parameter_not_at_least_as_constrained)
8407 unsigned HereDiagID,
8408 unsigned ExternalDiagID) {
8413 llvm::raw_svector_ostream Out(Str);
8421 std::optional<SourceRange> ParamRange) {
8424 diag::note_template_decl_external);
8425 if (ParamRange && ParamRange->isValid()) {
8427 "Parameter range has location when Decl does not");
8434 diag::note_template_param_external);
8462 ? CK_NullToMemberPointer
8463 : CK_NullToPointer);
8466 "Only declaration template arguments permitted here");
8475 (isa<CXXMethodDecl>(VD) || isa<FieldDecl>(VD) ||
8476 isa<IndirectFieldDecl>(VD)));
8504 assert(isa<TemplateParamObjectDecl>(VD) &&
8505 "arg for class template param not a template parameter object");
8510 "unexpected type for decl template argument");
8515 "value kind mismatch for non-type template argument");
8535 "unexpected conversion required for non-type template argument");
8562 T = ET->getDecl()->getIntegerType();
8613 llvm_unreachable(
"unexpected template argument value");
8638 return MakeInitList(
8651 return MakeInitList(Elts);
8656 llvm_unreachable(
"Unexpected APValue kind.");
8672 llvm_unreachable(
"Unhandled APValue::ValueKind enum");
8684 llvm_unreachable(
"not a non-type template argument");
8702 llvm_unreachable(
"Unhandled TemplateArgument::ArgKind enum");
8709 const NamedDecl *OldInstFrom,
bool Complain,
8714 unsigned NextDiag = diag::err_template_param_different_kind;
8715 if (TemplateArgLoc.
isValid()) {
8716 S.
Diag(TemplateArgLoc, diag::err_template_arg_template_params_mismatch);
8717 NextDiag = diag::note_template_param_different_kind;
8736 unsigned NextDiag = diag::err_template_parameter_pack_non_pack;
8737 if (TemplateArgLoc.
isValid()) {
8738 S.
Diag(TemplateArgLoc,
8739 diag::err_template_arg_template_params_mismatch);
8740 NextDiag = diag::note_template_parameter_pack_non_pack;
8743 unsigned ParamKind = isa<TemplateTypeParmDecl>(New)? 0
8744 : isa<NonTypeTemplateParmDecl>(New)? 1
8757 = dyn_cast<NonTypeTemplateParmDecl>(Old)) {
8765 (!OldNTTP->getType()->isDependentType() &&
8775 unsigned NextDiag = diag::err_template_nontype_parm_different_type;
8776 if (TemplateArgLoc.
isValid()) {
8777 S.
Diag(TemplateArgLoc,
8778 diag::err_template_arg_template_params_mismatch);
8779 NextDiag = diag::note_template_nontype_parm_different_type;
8784 S.
Diag(OldNTTP->getLocation(),
8785 diag::note_template_nontype_parm_prev_declaration)
8786 << OldNTTP->getType();
8797 dyn_cast<TemplateTemplateParmDecl>(Old)) {
8801 OldTTP->getTemplateParameters(), Complain,
8811 !isa<TemplateTemplateParmDecl>(Old)) {
8812 const Expr *NewC =
nullptr, *OldC =
nullptr;
8814 if (isa<TemplateTypeParmDecl>(New)) {
8815 if (
const auto *TC = cast<TemplateTypeParmDecl>(New)->getTypeConstraint())
8816 NewC = TC->getImmediatelyDeclaredConstraint();
8817 if (
const auto *TC = cast<TemplateTypeParmDecl>(Old)->getTypeConstraint())
8818 OldC = TC->getImmediatelyDeclaredConstraint();
8819 }
else if (isa<NonTypeTemplateParmDecl>(New)) {
8820 if (
const Expr *E = cast<NonTypeTemplateParmDecl>(New)
8821 ->getPlaceholderTypeConstraint())
8823 if (
const Expr *E = cast<NonTypeTemplateParmDecl>(Old)
8824 ->getPlaceholderTypeConstraint())
8827 llvm_unreachable(
"unexpected template parameter type");
8829 auto Diagnose = [&] {
8831 diag::err_template_different_type_constraint);
8833 diag::note_template_prev_declaration) << 0;
8836 if (!NewC != !OldC) {
8863 unsigned NextDiag = diag::err_template_param_list_different_arity;
8864 if (TemplateArgLoc.
isValid()) {
8865 S.
Diag(TemplateArgLoc, diag::err_template_arg_template_params_mismatch);
8866 NextDiag = diag::note_template_param_list_different_arity;
8921 OldParmEnd = Old->
end();
8922 OldParm != OldParmEnd; ++OldParm) {
8924 !(*OldParm)->isTemplateParameterPack()) {
8925 if (NewParm == NewParmEnd) {
8934 OldInstFrom, Complain, Kind,
8949 for (; NewParm != NewParmEnd; ++NewParm) {
8951 OldInstFrom, Complain, Kind,
8958 if (NewParm != NewParmEnd) {
8973 diag::err_template_different_requires_clause);
8975 diag::note_template_prev_declaration) << 0;
8978 if (!NewRC != !OldRC) {
9007 S = S->getDeclParent();
9017 Diag(LSD->getExternLoc(), diag::note_extern_c_begins_here);
9037 if (RD->isLocalClass())
9039 diag::err_template_inside_local_class)
9047 diag::err_template_outside_namespace_or_class_scope)
9058 return Record->getTemplateSpecializationKind();
9060 return Function->getTemplateSpecializationKind();
9061 if (
VarDecl *Var = dyn_cast<VarDecl>(D))
9062 return Var->getTemplateSpecializationKind();
9099 if (isa<ClassTemplateDecl>(Specialized))
9101 else if (isa<VarTemplateDecl>(Specialized))
9103 else if (isa<FunctionTemplateDecl>(Specialized))
9105 else if (isa<CXXMethodDecl>(Specialized))
9107 else if (isa<VarDecl>(Specialized))
9109 else if (isa<RecordDecl>(Specialized))
9111 else if (isa<EnumDecl>(Specialized) && S.
getLangOpts().CPlusPlus11)
9114 S.
Diag(Loc, diag::err_template_spec_unknown_kind)
9124 S.
Diag(Loc, diag::err_template_spec_decl_function_scope)
9139 : DC->
Equals(SpecializedContext))) {
9140 if (isa<TranslationUnitDecl>(SpecializedContext))
9141 S.
Diag(Loc, diag::err_template_spec_redecl_global_scope)
9142 << EntityKind << Specialized;
9144 auto *ND = cast<NamedDecl>(SpecializedContext);
9145 int Diag = diag::err_template_spec_redecl_out_of_scope;
9147 Diag = diag::ext_ms_template_spec_redecl_out_of_scope;
9148 S.
Diag(Loc,
Diag) << EntityKind << Specialized
9149 << ND << isa<CXXRecordDecl>(ND);
9152 S.
Diag(Specialized->getLocation(), diag::note_specialized_entity);
9166 DependencyChecker Checker(Depth,
true);
9167 Checker.TraverseStmt(E);
9168 if (Checker.MatchLoc.isInvalid())
9170 return Checker.MatchLoc;
9176 DependencyChecker Checker(Depth,
true);
9177 Checker.TraverseTypeLoc(TL);
9178 if (Checker.MatchLoc.isInvalid())
9180 return Checker.MatchLoc;
9188 for (
unsigned I = 0; I != NumArgs; ++I) {
9191 S, TemplateNameLoc, Param, Args[I].pack_begin(),
9192 Args[I].pack_size(), IsDefaultArgument))
9205 ArgExpr = Expansion->getPattern();
9209 ArgExpr = ICE->getSubExpr();
9219 if (
DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(ArgExpr))
9220 if (isa<NonTypeTemplateParmDecl>(DRE->getDecl()))
9240 if (ParamUseRange.
isValid()) {
9241 if (IsDefaultArgument) {
9242 S.
Diag(TemplateNameLoc,
9243 diag::err_dependent_non_type_arg_in_partial_spec);
9245 diag::note_dependent_non_type_default_arg_in_partial_spec)
9249 diag::err_dependent_non_type_arg_in_partial_spec)
9257 if (ParamUseRange.
isValid()) {
9259 diag::err_dependent_typed_non_type_arg_in_partial_spec)
9290 for (
unsigned I = 0, N = TemplateParams->
size(); I != N; ++I) {
9292 = dyn_cast<NonTypeTemplateParmDecl>(TemplateParams->
getParam(I));
9297 Param, &TemplateArgs[I],
9298 1, I >= NumExplicit))
9310 assert(TUK !=
TUK_Reference &&
"References are not specializations");
9315 ? TemplateParameterLists[0]->getTemplateLoc() : KWLoc;
9323 = dyn_cast_or_null<ClassTemplateDecl>(Name.getAsTemplateDecl());
9326 Diag(TemplateNameLoc, diag::err_not_class_template_specialization)
9327 << (Name.getAsTemplateDecl() &&
9328 isa<TemplateTemplateParmDecl>(Name.getAsTemplateDecl()));
9332 bool isMemberSpecialization =
false;
9333 bool isPartialSpecialization =
false;
9339 TemplateNameLoc, &TemplateId,
9351 KWLoc, TemplateNameLoc, SS, &TemplateId,
9352 TemplateParameterLists, TUK ==
TUK_Friend, isMemberSpecialization,
9361 if (TemplateParams && TemplateParams->
size() > 0) {
9362 isPartialSpecialization =
true;
9365 Diag(KWLoc, diag::err_partial_specialization_friend)
9373 for (
unsigned I = 0, N = TemplateParams->
size(); I != N; ++I) {
9378 diag::err_default_arg_in_partial_spec);
9382 = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
9383 if (
Expr *DefArg = NTTP->getDefaultArgument()) {
9384 Diag(NTTP->getDefaultArgumentLoc(),
9385 diag::err_default_arg_in_partial_spec)
9386 << DefArg->getSourceRange();
9387 NTTP->removeDefaultArgument();
9393 diag::err_default_arg_in_partial_spec)
9399 }
else if (TemplateParams) {
9401 Diag(KWLoc, diag::err_template_spec_friend)
9407 assert(TUK ==
TUK_Friend &&
"should have a 'template<>' for this decl");
9414 "Invalid enum tag in class template spec!");
9418 Diag(KWLoc, diag::err_use_with_wrong_tag)
9423 diag::note_previous_use);
9432 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
9434 isPartialSpecialization
9443 false, SugaredConverted, CanonicalConverted,
9449 if (isPartialSpecialization) {
9451 TemplateArgs.
size(),
9452 CanonicalConverted))
9457 if (!Name.isDependent() &&
9459 TemplateArgs, CanonicalConverted)) {
9460 Diag(TemplateNameLoc, diag::err_partial_spec_fully_specialized)
9462 isPartialSpecialization =
false;
9467 void *InsertPos =
nullptr;
9470 if (isPartialSpecialization)
9472 CanonicalConverted, TemplateParams, InsertPos);
9474 PrevDecl =
ClassTemplate->findSpecialization(CanonicalConverted, InsertPos);
9483 isPartialSpecialization))
9488 if (isPartialSpecialization) {
9493 CanonicalConverted);
9506 Diag(TemplateNameLoc, diag::err_partial_spec_args_match_primary_template)
9516 TemplateParameterLists.size() - 1,
9517 TemplateParameterLists.data());
9522 = cast_or_null<ClassTemplatePartialSpecializationDecl>(PrevDecl);
9526 TemplateNameLoc, TemplateParams,
ClassTemplate, CanonicalConverted,
9527 TemplateArgs, CanonType, PrevPartial);
9529 if (TemplateParameterLists.size() > 1 && SS.
isSet()) {
9531 Context, TemplateParameterLists.drop_back(1));
9535 ClassTemplate->AddPartialSpecialization(Partial, InsertPos);
9551 if (TemplateParameterLists.size() > 0) {
9553 TemplateParameterLists);
9562 CanonicalConverted);
9586 Diag(TemplateNameLoc, diag::err_specialization_after_instantiation)
9590 diag::note_instantiation_required_here)
9628 if (ModulePrivateLoc.
isValid())
9630 << (isPartialSpecialization? 1 : 0)
9642 TemplateArgs, CanonType);
9698 diag::err_concept_decls_may_only_appear_in_global_namespace_scope);
9702 if (TemplateParameterLists.size() > 1) {
9703 Diag(NameLoc, diag::err_concept_extra_headers);
9709 if (Params->
size() == 0) {
9710 Diag(NameLoc, diag::err_concept_no_parameters);
9717 ParamEnd = Params->
end();
9718 ParamIt != ParamEnd; ++ParamIt) {
9719 Decl const *Param = *ParamIt;
9721 if (++ParamIt == ParamEnd)
9724 diag::err_template_param_pack_must_be_last_template_parameter);
9738 Diag(NameLoc, diag::err_concept_no_associated_constraints);
9749 bool AddToScope =
true;
9765 auto *OldConcept = dyn_cast<ConceptDecl>(
Previous.getRepresentativeDecl()->getUnderlyingDecl());
9767 auto *Old =
Previous.getRepresentativeDecl();
9777 Diag(NewDecl->
getLocation(), diag::err_redefinition_different_concept)
9803 if (MinGW || (isa<FunctionDecl>(D) &&
9804 cast<FunctionDecl>(D)->isFunctionTemplateSpecialization()))
9805 D->
dropAttrs<DLLImportAttr, DLLExportAttr>();
9808 FD->setInlineSpecified(
false);
9819 for (
Decl *Prev = D; Prev && !PrevDiagLoc.
isValid();
9820 Prev = Prev->getPreviousDecl()) {
9821 PrevDiagLoc = Prev->getLocation();
9823 assert(PrevDiagLoc.
isValid() &&
9824 "Explicit instantiation without point of instantiation?");
9856 bool &HasNoEffect) {
9857 HasNoEffect =
false;
9864 "previous declaration must be implicit!");
9877 if (PrevPointOfInstantiation.
isInvalid()) {
9891 PrevPointOfInstantiation.
isValid()) &&
9892 "Explicit instantiation without point of instantiation?");
9906 Diag(NewLoc, diag::err_specialization_after_instantiation)
9908 Diag(PrevPointOfInstantiation, diag::note_instantiation_required_here)
9913 llvm_unreachable(
"The switch over PrevTSK must be exhaustive.");
9943 diag::err_explicit_instantiation_declaration_after_definition);
9949 diag::note_explicit_instantiation_definition_here);
9953 llvm_unreachable(
"Unexpected TemplateSpecializationKind!");
9969 Diag(NewLoc, diag::warn_explicit_instantiation_after_specialization)
9972 diag::note_previous_template_specialization);
10003 ? diag::ext_explicit_instantiation_duplicate
10004 : diag::err_explicit_instantiation_duplicate)
10007 diag::note_previous_explicit_instantiation);
10008 HasNoEffect =
true;
10013 llvm_unreachable(
"Missing specialization/instantiation case?");
10038 enum DiscardReason { NotAFunctionTemplate, NotAMemberOfEnclosing };
10042 if (!isa<FunctionTemplateDecl>(D)) {
10044 DiscardedCandidates.push_back(std::make_pair(NotAFunctionTemplate, D));
10051 DiscardedCandidates.push_back(std::make_pair(NotAMemberOfEnclosing, D));
10059 Diag(FD->
getLocation(), diag::err_dependent_function_template_spec_no_match)
10061 for (
auto &
P : DiscardedCandidates)
10062 Diag(
P.second->getLocation(),
10063 diag::note_dependent_function_template_spec_discard_reason)
10064 <<
P.first << IsFriend;
10069 ExplicitTemplateArgs);
10104 llvm::SmallDenseMap<FunctionDecl *, TemplateArgumentListInfo, 8>
10105 ConvertedTemplateArgs;
10126 dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
10127 if (OldMD && OldMD->
isConst()) {
10137 if (ExplicitTemplateArgs)
10138 Args = *ExplicitTemplateArgs;
10150 cast<FunctionTemplateDecl>(FunTmpl->getFirstDecl()),
10151 ExplicitTemplateArgs ? &Args :
nullptr, FT,
Specialization, Info);
10156 I.getPair(), FunTmpl->getTemplatedDecl(),
10172 I.getPair(), FunTmpl->getTemplatedDecl(),
10179 if (ExplicitTemplateArgs)
10188 if (QualifiedFriend && Candidates.
empty()) {
10194 if (
auto *OldFD = dyn_cast<FunctionDecl>(OldND->getUnderlyingDecl()))
10205 PDiag(diag::err_function_template_spec_ambiguous)
10206 << FD->
getDeclName() << (ExplicitTemplateArgs !=
nullptr),
10207 PDiag(diag::note_function_template_spec_matched));
10240 auto *SpecializationFPT =
10251 assert(SpecInfo &&
"Function template specialization info missing?");
10289 bool HasNoEffect =
false;
10315 "This must be the only existing declaration of this specialization");
10330 FD->setFunctionTemplateSpecialization(
10333 ExplicitTemplateArgs ? &ConvertedTemplateArgs[
Specialization] :
nullptr);
10366 assert(!isa<TemplateDecl>(
Member) &&
"Only for non-template members");
10369 NamedDecl *FoundInstantiation =
nullptr;
10379 NamedDecl *D = (*I)->getUnderlyingDecl();
10387 FoundInstantiation = *I;
10388 Instantiation = Method;
10389 InstantiatedFrom = Method->getInstantiatedFromMemberFunction();
10390 MSInfo = Method->getMemberSpecializationInfo();
10395 }
else if (isa<VarDecl>(
Member)) {
10398 (PrevVar = dyn_cast<VarDecl>(
Previous.getFoundDecl())))
10400 FoundInstantiation =
Previous.getRepresentativeDecl();
10401 Instantiation = PrevVar;
10405 }
else if (isa<RecordDecl>(
Member)) {
10408 (PrevRecord = dyn_cast<CXXRecordDecl>(
Previous.getFoundDecl()))) {
10409 FoundInstantiation =
Previous.getRepresentativeDecl();
10410 Instantiation = PrevRecord;
10414 }
else if (isa<EnumDecl>(
Member)) {
10417 (PrevEnum = dyn_cast<EnumDecl>(
Previous.getFoundDecl()))) {
10418 FoundInstantiation =
Previous.getRepresentativeDecl();
10419 Instantiation = PrevEnum;
10425 if (!Instantiation) {
10439 if (InstantiatedFrom && isa<CXXMethodDecl>(
Member)) {
10440 cast<CXXMethodDecl>(
Member)->setInstantiationOfMemberFunction(
10441 cast<CXXMethodDecl>(InstantiatedFrom),
10443 }
else if (InstantiatedFrom && isa<CXXRecordDecl>(
Member)) {
10444 cast<CXXRecordDecl>(
Member)->setInstantiationOfMemberClass(
10445 cast<CXXRecordDecl>(InstantiatedFrom),
10450 Previous.addDecl(FoundInstantiation);
10455 if (!InstantiatedFrom) {
10456 Diag(
Member->getLocation(), diag::err_spec_member_not_instantiated)
10468 assert(MSInfo &&
"Member specialization info missing?");
10470 bool HasNoEffect =
false;
10482 Instantiation,
Member->getLocation(),
10488 if (
auto *MemberFunction = dyn_cast<FunctionDecl>(
Member)) {
10489 FunctionDecl *InstantiationFunction = cast<FunctionDecl>(Instantiation);
10494 if (InstantiationFunction->
isDeleted()) {
10497 InstantiationFunction);
10503 MemberFunction->setInstantiationOfMemberFunction(
10505 }
else if (
auto *MemberVar = dyn_cast<VarDecl>(
Member)) {
10506 MemberVar->setInstantiationOfStaticDataMember(
10508 }
else if (
auto *MemberClass = dyn_cast<CXXRecordDecl>(
Member)) {
10509 MemberClass->setInstantiationOfMemberClass(
10511 }
else if (
auto *MemberEnum = dyn_cast<EnumDecl>(
Member)) {
10512 MemberEnum->setInstantiationOfMemberEnum(
10515 llvm_unreachable(
"unknown member specialization kind");
10521 Previous.addDecl(FoundInstantiation);
10530template<
typename DeclT>
10541 OrigD->setLocation(Loc);
10546 NamedDecl *Instantiation = cast<NamedDecl>(
Member->getCanonicalDecl());
10547 if (Instantiation ==
Member)
10550 if (
auto *
Function = dyn_cast<CXXMethodDecl>(Instantiation))
10552 else if (
auto *Var = dyn_cast<VarDecl>(Instantiation))
10554 else if (
auto *
Record = dyn_cast<CXXRecordDecl>(Instantiation))
10556 else if (
auto *
Enum = dyn_cast<EnumDecl>(Instantiation))
10559 llvm_unreachable(
"unknown member specialization kind");
10567 bool WasQualifiedName) {
10572 S.
Diag(InstLoc, diag::err_explicit_instantiation_in_class)
10585 if (WasQualifiedName) {
10586 if (CurContext->
Encloses(OrigContext))
10593 if (
NamespaceDecl *NS = dyn_cast<NamespaceDecl>(OrigContext)) {
10594 if (WasQualifiedName)
10597 diag::err_explicit_instantiation_out_of_scope :
10598 diag::warn_explicit_instantiation_out_of_scope_0x)
10603 diag::err_explicit_instantiation_unqualified_wrong_namespace :
10604 diag::warn_explicit_instantiation_unqualified_wrong_namespace_0x)
10609 diag::err_explicit_instantiation_must_be_global :
10610 diag::warn_explicit_instantiation_must_be_global_0x)
10619 bool WasQualifiedName,
10626 S.
Diag(InstLoc, diag::err_explicit_instantiation_internal_linkage) << D;
10654 if (isa<TemplateSpecializationType>(
T))
10664 auto *A = cast_or_null<InheritableAttr>(
getDLLAttr(Def));
10665 assert(A &&
"dllExportImportClassTemplateSpecialization called "
10666 "on Def without dllexport or dllimport");
10671 "delayed exports present at explicit instantiation");
10675 for (
auto &B : Def->
bases()) {
10676 if (
auto *BT = dyn_cast_or_null<ClassTemplateSpecializationDecl>(
10677 B.getType()->getAsCXXRecordDecl()))
10698 "Invalid enum tag in class template explicit instantiation!");
10704 Diag(TemplateNameLoc, diag::err_tag_reference_non_tag)
10705 << TD << NTK << llvm::to_underlying(Kind);
10711 Kind,
false, KWLoc,
10713 Diag(KWLoc, diag::err_use_with_wrong_tag)
10718 diag::note_previous_use);
10735 if (AL.getKind() == ParsedAttr::AT_DLLExport) {
10737 diag::warn_attribute_dllexport_explicit_instantiation_decl);
10738 Diag(AL.getLoc(), diag::note_attribute);
10743 if (
auto *A =
ClassTemplate->getTemplatedDecl()->getAttr<DLLExportAttr>()) {
10745 diag::warn_attribute_dllexport_explicit_instantiation_decl);
10746 Diag(A->getLocation(), diag::note_attribute);
10752 bool DLLImportExplicitInstantiationDef =
false;
10757 ClassTemplate->getTemplatedDecl()->getAttr<DLLImportAttr>();
10759 if (AL.getKind() == ParsedAttr::AT_DLLImport)
10761 if (AL.getKind() == ParsedAttr::AT_DLLExport) {
10769 DLLImportExplicitInstantiationDef =
true;
10781 false, SugaredConverted, CanonicalConverted,
10787 void *InsertPos =
nullptr;
10789 ClassTemplate->findSpecialization(CanonicalConverted, InsertPos);
10799 if (AL.getKind() == ParsedAttr::AT_DLLExport) {
10801 diag::warn_attribute_dllexport_explicit_instantiation_def);
10813 bool HasNoEffect =
false;
10816 PrevDecl, PrevDecl_TSK,
10833 PrevDecl =
nullptr;
10837 DLLImportExplicitInstantiationDef) {
10839 HasNoEffect =
false;
10854 if (
const auto *A = PrevDecl->
getAttr<MSInheritanceAttr>()) {
10856 Clone->setInherited(
true);
10862 if (!HasNoEffect && !PrevDecl) {
10886 bool PreviouslyDLLExported =
Specialization->hasAttr<DLLExportAttr>();
10911 = cast_or_null<ClassTemplateSpecializationDecl>(
10921 Def = cast_or_null<ClassTemplateSpecializationDecl>(
10929 DLLImportExplicitInstantiationDef)) {
10939 auto *A = cast<InheritableAttr>(
10941 A->setInherited(
true);
10949 bool NewlyDLLExported =
10950 !PreviouslyDLLExported &&
Specialization->hasAttr<DLLExportAttr>();
10967 "Def and Specialization should match for implicit instantiation");
10975 PrevDecl->
hasAttr<DLLExportAttr>()) {
11000 bool Owned =
false;
11001 bool IsDependent =
false;
11007 assert(!IsDependent &&
"explicit instantiation of dependent name not yet handled");
11012 TagDecl *Tag = cast<TagDecl>(TagD);
11013 assert(!Tag->
isEnum() &&
"shouldn't see enumerations here");
11021 Diag(TemplateLoc, diag::err_explicit_instantiation_nontemplate_type)
11023 Diag(
Record->getLocation(), diag::note_nontemplate_decl_here);
11034 Diag(TemplateLoc, diag::ext_explicit_instantiation_without_qualified_id)
11049 = cast_or_null<CXXRecordDecl>(
Record->getPreviousDecl());
11054 bool HasNoEffect =
false;
11055 assert(MSInfo &&
"No member specialization information?");
11067 = cast_or_null<CXXRecordDecl>(
Record->getDefinition());
11075 Diag(TemplateLoc, diag::err_explicit_instantiation_undefined_member)
11076 << 0 <<
Record->getDeclName() <<
Record->getDeclContext();
11086 RecordDef = cast_or_null<CXXRecordDecl>(
Record->getDefinition());
11117 diag::err_explicit_instantiation_requires_name)
11124 S = S->getDeclParent();
11156 diag::err_explicit_instantiation_inline :
11157 diag::warn_explicit_instantiation_inline_0x)
11163 diag::err_explicit_instantiation_constexpr);
11198 if (!PrevTemplate) {
11205 Diag((*P)->getLocation(), diag::note_explicit_instantiation_here);
11212 diag::err_explicit_instantiation_data_member_not_instantiated)
11227 Diag(
T->getTypeLoc().getBeginLoc(),
11228 diag::err_auto_not_allowed_var_inst);
11237 diag::err_explicit_instantiation_without_template_id)
11239 Diag(PrevTemplate->getLocation(),
11240 diag::note_explicit_instantiation_here);
11263 Prev = cast<VarDecl>(Res.
get());
11278 diag::ext_explicit_instantiation_without_qualified_id)
11286 bool HasNoEffect =
false;
11288 PrevTSK, POI, HasNoEffect))
11291 if (!HasNoEffect) {
11305 Diag(
T->getTypeLoc().getBeginLoc(),
11306 diag::err_invalid_var_template_spec_type)
11307 << 0 << PrevTemplate << R << Prev->
getType();
11308 Diag(PrevTemplate->getLocation(), diag::note_template_declared_here)
11309 << 2 << PrevTemplate->getDeclName();
11314 return (
Decl*)
nullptr;
11319 bool HasExplicitTemplateArgs =
false;
11323 HasExplicitTemplateArgs =
true;
11337 if (!HasExplicitTemplateArgs) {
11338 if (
CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(Prev)) {
11342 if (Method->getPrimaryTemplate()) {
11343 TemplateMatches.
addDecl(Method,
P.getAccess());
11346 assert(!NonTemplateMatch &&
"Multiple NonTemplateMatches");
11347 NonTemplateMatch = Method;
11360 FunTmpl, (HasExplicitTemplateArgs ? &TemplateArgs :
nullptr), R,
11394 TemplateMatches.
begin(), TemplateMatches.
end(), FailedCandidates,
11396 PDiag(diag::err_explicit_instantiation_not_known) << Name,
11397 PDiag(diag::err_explicit_instantiation_ambiguous) << Name,
11398 PDiag(diag::note_explicit_instantiation_candidate));
11414 if (FPT->hasExceptionSpec()) {
11416 diag::err_mismatched_exception_spec_explicit_instantiation;
11418 DiagID = diag::ext_mismatched_exception_spec_explicit_instantiation;
11421 PDiag(diag::note_explicit_instantiation_here),
11432 diag::err_explicit_instantiation_member_function_not_instantiated)
11441 if (!PrevDecl &&
Specialization->isThisDeclarationADefinition())
11445 bool HasNoEffect =
false;
11456 return (
Decl*)
nullptr;
11467 if (
auto *RD = dyn_cast<CXXRecordDecl>(
Specialization->getDeclContext()))
11468 if (RD->getIdentifier() && RD->getIdentifier()->isStr(
"valarray") &&
11469 RD->isInStdNamespace())
11470 return (
Decl*)
nullptr;
11504 diag::ext_explicit_instantiation_without_qualified_id)
11514 return (
Decl*)
nullptr;
11523 assert(Name &&
"Expected a name in a dependent tag");
11532 Diag(NameLoc, diag::err_dependent_tag_decl)
11559 if (TypenameLoc.
isValid() && S && !S->getTemplateParamParent())
11562 diag::warn_cxx98_compat_typename_outside_of_template :
11563 diag::ext_typename_outside_of_template)
11573 TypenameLoc, QualifierLoc, II, IdLoc, &TSI,
11587 if (TypenameLoc.
isValid() && S && !S->getTemplateParamParent())
11590 diag::warn_cxx98_compat_typename_outside_of_template :
11591 diag::ext_typename_outside_of_template)
11599 if (LookupRD && LookupRD->getIdentifier() == TemplateII) {
11600 Diag(TemplateIILoc,
11601 diag::ext_out_of_line_qualified_id_type_names_constructor)
11603 << (TemplateKWLoc.
isValid() ? 1 : 0 );
11614 assert(DTN &&
"dependent template has non-dependent name?");
11618 DTN->getIdentifier(), TemplateArgs.
arguments());
11630 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
11647 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
11665 if (!II.
isStr(
"type"))
11674 if (!EnableIfTSTLoc || EnableIfTSTLoc.
getNumArgs() == 0)
11687 if (!EnableIfII || !EnableIfII->
isStr(
"enable_if"))
11715 bool DeducedTSTContext) {
11717 DeducedTSTContext);
11722 if (isa<DependentNameType>(
T)) {
11746 SS.
Adopt(QualifierLoc);
11749 if (QualifierLoc) {
11776 unsigned DiagID = 0;
11777 Decl *Referenced =
nullptr;
11778 switch (
Result.getResultKind()) {
11783 Expr *Cond =
nullptr;
11784 if (Ctx &&
isEnableIf(QualifierLoc, II, CondRange, Cond)) {
11789 std::string FailedDescription;
11790 std::tie(FailedCond, FailedDescription) =
11794 diag::err_typename_nested_not_found_requirement)
11795 << FailedDescription
11801 diag::err_typename_nested_not_found_enable_if)
11802 << Ctx << CondRange;
11806 DiagID = Ctx ? diag::err_typename_nested_not_found
11807 : diag::err_unknown_typename;
11816 Diag(IILoc, diag::err_typename_refers_to_using_value_decl)
11817 << Name << Ctx << FullRange;
11819 = dyn_cast<UnresolvedUsingValueDecl>(
Result.getRepresentativeDecl())){
11821 Diag(Loc, diag::note_using_value_decl_missing_typename)
11851 auto *LookupRD = dyn_cast_or_null<CXXRecordDecl>(Ctx);
11852 auto *FoundRD = dyn_cast<CXXRecordDecl>(
Type);
11854 FoundRD->isInjectedClassName() &&
11856 Diag(IILoc, diag::ext_out_of_line_qualified_id_type_names_constructor)
11873 if (!DeducedTSTContext) {
11878 Diag(IILoc, diag::err_dependent_deduced_tst)
11881 Diag(IILoc, diag::err_deduced_tst)
11893 DiagID = Ctx ? diag::err_typename_nested_not_type
11894 : diag::err_typename_not_type;
11895 Referenced =
Result.getFoundDecl();
11899 DiagID = Ctx ? diag::err_typename_nested_not_type
11900 : diag::err_typename_not_type;
11901 Referenced = *
Result.begin();
11913 Diag(IILoc, DiagID) << FullRange << Name << Ctx;
11915 Diag(IILoc, DiagID) << FullRange << Name;
11918 Ctx ? diag::note_typename_member_refers_here
11919 : diag::note_typename_refers_here)
11926 class CurrentInstantiationRebuilder
11934 CurrentInstantiationRebuilder(
Sema &SemaRef,
11938 Loc(Loc), Entity(Entity) { }
11960 this->Entity = Entity;
12002 CurrentInstantiationRebuilder Rebuilder(*
this, Loc, Name);
12003 return Rebuilder.TransformType(
T);
12007 CurrentInstantiationRebuilder Rebuilder(*
this, E->
getExprLoc(),
12009 return Rebuilder.TransformExpr(E);
12020 = Rebuilder.TransformNestedNameSpecifierLoc(QualifierLoc);
12032 for (
unsigned I = 0, N = Params->
size(); I != N; ++I) {
12036 if (isa<TemplateTypeParmDecl>(Param))
12041 = dyn_cast<TemplateTemplateParmDecl>(Param)) {
12043 TTP->getTemplateParameters()))
12087 unsigned NumArgs) {
12089 llvm::raw_svector_ostream Out(Str);
12091 if (!Params || Params->
size() == 0 || NumArgs == 0)
12092 return std::string();
12094 for (
unsigned I = 0, N = Params->
size(); I != N; ++I) {
12104 Out <<
Id->getName();
12116 return std::string(Out.str());
12124 auto LPT = std::make_unique<LateParsedTemplate>();
12127 LPT->Toks.swap(Toks);
12174class ExplicitSpecializationVisibilityChecker {
12183 : S(S), Loc(Loc), Kind(Kind) {}
12186 if (
auto *FD = dyn_cast<FunctionDecl>(ND))
12187 return checkImpl(FD);
12188 if (
auto *RD = dyn_cast<CXXRecordDecl>(ND))
12189 return checkImpl(RD);
12190 if (
auto *VD = dyn_cast<VarDecl>(ND))
12191 return checkImpl(VD);
12192 if (
auto *ED = dyn_cast<EnumDecl>(ND))
12193 return checkImpl(ED);
12197 void diagnose(
NamedDecl *D,
bool IsPartialSpec) {
12198 auto Kind = IsPartialSpec ? Sema::MissingImportKind::PartialSpecialization
12199 : Sema::MissingImportKind::ExplicitSpecialization;
12200 const bool Recover =
true;
12205 if (Modules.empty())
12211 bool CheckMemberSpecialization(
const NamedDecl *D) {
12212 return Kind == Sema::AcceptableKind::Visible
12217 bool CheckExplicitSpecialization(
const NamedDecl *D) {
12218 return Kind == Sema::AcceptableKind::Visible
12223 bool CheckDeclaration(
const NamedDecl *D) {
12240 template<
typename SpecDecl>
12241 void checkImpl(SpecDecl *Spec) {
12242 bool IsHiddenExplicitSpecialization =
false;
12244 IsHiddenExplicitSpecialization = Spec->getMemberSpecializationInfo()
12245 ? !CheckMemberSpecialization(Spec)
12246 : !CheckExplicitSpecialization(Spec);
12248 checkInstantiated(Spec);
12251 if (IsHiddenExplicitSpecialization)
12252 diagnose(Spec->getMostRecentDecl(),
false);
12261 auto *SD = dyn_cast<ClassTemplateSpecializationDecl>(RD);
12265 auto From = SD->getSpecializedTemplateOrPartial();
12268 else if (
auto *TD =
12270 if (!CheckDeclaration(TD))
12271 diagnose(TD,
true);
12276 void checkInstantiated(
VarDecl *RD) {
12277 auto *SD = dyn_cast<VarTemplateSpecializationDecl>(RD);
12281 auto From = SD->getSpecializedTemplateOrPartial();
12284 else if (
auto *TD =
12286 if (!CheckDeclaration(TD))
12287 diagnose(TD,
true);
12292 void checkInstantiated(
EnumDecl *FD) {}
12294 template<
typename TemplDecl>
12295 void checkTemplate(TemplDecl *TD) {
12296 if (TD->isMemberSpecialization()) {
12297 if (!CheckMemberSpecialization(TD))
12298 diagnose(TD->getMostRecentDecl(),
false);
12308 ExplicitSpecializationVisibilityChecker(*
this, Loc,
12318 ExplicitSpecializationVisibilityChecker(*
this, Loc,
12330 if (
const auto *FD = dyn_cast<FunctionDecl>(N)) {
12338 if (!CSC.isInstantiationRecord() || CSC.PointOfInstantiation.isInvalid())
12340 return CSC.PointOfInstantiation;
Defines the clang::ASTContext interface.
Defines enum values for all the target-independent builtin functions.
static Decl::Kind getKind(const Decl *D)
Defines the C++ template declaration subclasses.
Defines the clang::Expr interface and subclasses for C++ expressions.
Defines the clang::LangOptions interface.
static DiagnosticBuilder Diag(DiagnosticsEngine *Diags, const LangOptions &Features, FullSourceLoc TokLoc, const char *TokBegin, const char *TokRangeBegin, const char *TokRangeEnd, unsigned DiagID)
Produce a diagnostic highlighting some portion of a literal.
llvm::MachO::Record Record
Implements a partial diagnostic that can be emitted anwyhere in a DiagnosticBuilder stream.
MatchFinder::MatchResult MatchResult
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 SetNestedNameSpecifier(Sema &S, DeclaratorDecl *DD, Declarator &D)
static bool DependsOnTemplateParameters(QualType T, TemplateParameterList *Params)
Determines whether a given type depends on the given parameter list.
static TemplateSpecializationKind getTemplateSpecializationKind(Decl *D)
Determine what kind of template specialization the given declaration is.
static Expr * BuildExpressionFromNonTypeTemplateArgumentValue(Sema &S, QualType T, const APValue &Val, SourceLocation Loc)
static void maybeDiagnoseTemplateParameterShadow(Sema &SemaRef, Scope *S, SourceLocation Loc, const IdentifierInfo *Name)
static TemplateArgumentLoc convertTypeTemplateArgumentToTemplate(ASTContext &Context, TypeLoc TLoc)
Convert a template-argument that we parsed as a type into a template, if possible.
static bool CheckTemplateSpecializationScope(Sema &S, NamedDecl *Specialized, NamedDecl *PrevDecl, SourceLocation Loc, bool IsPartialSpecialization)
Check whether a specialization is well-formed in the current context.
static bool ScopeSpecifierHasTemplateId(const CXXScopeSpec &SS)
Determine whether the given scope specifier has a template-id in it.
static SourceRange findTemplateParameterInType(unsigned Depth, Expr *E)
static Sema::SemaDiagnosticBuilder noteLocation(Sema &S, const NamedDecl &Decl, unsigned HereDiagID, unsigned ExternalDiagID)
static SourceRange getRangeOfTypeInNestedNameSpecifier(ASTContext &Context, QualType T, const CXXScopeSpec &SS)
static Expr * BuildExpressionFromIntegralTemplateArgumentValue(Sema &S, QualType OrigT, const llvm::APSInt &Int, SourceLocation Loc)
Construct a new expression that refers to the given integral template argument with the given source-...
static SourceRange findTemplateParameter(unsigned Depth, TypeLoc TL)
static NullPointerValueKind isNullPointerValueTemplateArgument(Sema &S, NonTypeTemplateParmDecl *Param, QualType ParamType, Expr *Arg, Decl *Entity=nullptr)
Determine whether the given template argument is a null pointer value of the appropriate type.
static ExprResult formImmediatelyDeclaredConstraint(Sema &S, NestedNameSpecifierLoc NS, DeclarationNameInfo NameInfo, ConceptDecl *NamedConcept, NamedDecl *FoundDecl, SourceLocation LAngleLoc, SourceLocation RAngleLoc, QualType ConstrainedType, SourceLocation ParamNameLoc, ArgumentLocAppender Appender, SourceLocation EllipsisLoc)
static bool CheckNonTypeTemplatePartialSpecializationArgs(Sema &S, SourceLocation TemplateNameLoc, NonTypeTemplateParmDecl *Param, const TemplateArgument *Args, unsigned NumArgs, bool IsDefaultArgument)
Subroutine of Sema::CheckTemplatePartialSpecializationArgs that checks non-type template partial spec...
static void StripImplicitInstantiation(NamedDecl *D, bool MinGW)
Strips various properties off an implicit instantiation that has just been explicitly specialized.
static bool isEnableIf(NestedNameSpecifierLoc NNS, const IdentifierInfo &II, SourceRange &CondRange, Expr *&Cond)
Determine whether this failed name lookup should be treated as being disabled by a usage of std::enab...
static void DiagnoseTemplateParameterListArityMismatch(Sema &S, TemplateParameterList *New, TemplateParameterList *Old, Sema::TemplateParameterListEqualKind Kind, SourceLocation TemplateArgLoc)
Diagnose a known arity mismatch when comparing template argument lists.
static bool isTemplateArgumentTemplateParameter(const TemplateArgument &Arg, unsigned Depth, unsigned Index)
static TemplateArgumentListInfo makeTemplateArgumentListInfo(Sema &S, TemplateIdAnnotation &TemplateId)
Convert the parser's template argument list representation into our form.
static bool CheckTemplateArgumentIsCompatibleWithParameter(Sema &S, NonTypeTemplateParmDecl *Param, QualType ParamType, Expr *ArgIn, Expr *Arg, QualType ArgType)
Checks whether the given template argument is compatible with its template parameter.
static bool CheckTemplateArgumentAddressOfObjectOrFunction(Sema &S, NonTypeTemplateParmDecl *Param, QualType ParamType, Expr *ArgIn, TemplateArgument &SugaredConverted, TemplateArgument &CanonicalConverted)
Checks whether the given template argument is the address of an object or function according to C++ [...
static void collectConjunctionTerms(Expr *Clause, SmallVectorImpl< Expr * > &Terms)
Collect all of the separable terms in the given condition, which might be a conjunction.
static void checkMoreSpecializedThanPrimary(Sema &S, PartialSpecDecl *Partial)
static bool CheckTemplateArgumentPointerToMember(Sema &S, NonTypeTemplateParmDecl *Param, QualType ParamType, Expr *&ResultArg, TemplateArgument &SugaredConverted, TemplateArgument &CanonicalConverted)
Checks whether the given template argument is a pointer to member constant according to C++ [temp....
static SourceLocation DiagLocForExplicitInstantiation(NamedDecl *D, SourceLocation PointOfInstantiation)
Compute the diagnostic location for an explicit instantiation.
static TemplateParameterList * GetTemplateParameterList(TemplateDecl *TD)
static bool isEnableIfAliasTemplate(TypeAliasTemplateDecl *AliasTemplate)
Determine whether this alias template is "enable_if_t".
static bool DiagnoseUnexpandedParameterPacks(Sema &S, TemplateTemplateParmDecl *TTP)
Check for unexpanded parameter packs within the template parameters of a template template parameter,...
static bool CheckExplicitInstantiationScope(Sema &S, NamedDecl *D, SourceLocation InstLoc, bool WasQualifiedName)
Check the scope of an explicit instantiation.
static TemplateArgumentLoc translateTemplateArgument(Sema &SemaRef, const ParsedTemplateArgument &Arg)
static bool isSameAsPrimaryTemplate(TemplateParameterList *Params, ArrayRef< TemplateArgument > Args)
static void checkTemplatePartialSpecialization(Sema &S, PartialSpecDecl *Partial)
static TypeSourceInfo * SubstDefaultTemplateArgument(Sema &SemaRef, TemplateDecl *Template, SourceLocation TemplateLoc, SourceLocation RAngleLoc, TemplateTypeParmDecl *Param, ArrayRef< TemplateArgument > SugaredConverted, ArrayRef< TemplateArgument > CanonicalConverted)
Substitute template arguments into the default template argument for the given template type paramete...
static bool CheckExplicitInstantiation(Sema &S, NamedDecl *D, SourceLocation InstLoc, bool WasQualifiedName, TemplateSpecializationKind TSK)
Common checks for whether an explicit instantiation of D is valid.
static Expr * lookThroughRangesV3Condition(Preprocessor &PP, Expr *Cond)
static bool DiagnoseDefaultTemplateArgument(Sema &S, Sema::TemplateParamListContext TPC, SourceLocation ParamLoc, SourceRange DefArgRange)
Diagnose the presence of a default template argument on a template parameter, which is ill-formed in ...
static QualType checkBuiltinTemplateIdType(Sema &SemaRef, BuiltinTemplateDecl *BTD, ArrayRef< TemplateArgument > Converted, SourceLocation TemplateLoc, TemplateArgumentListInfo &TemplateArgs)
static void noteNonDeducibleParameters(Sema &S, TemplateParameterList *TemplateParams, const llvm::SmallBitVector &DeducibleParams)
static void completeMemberSpecializationImpl(Sema &S, DeclT *OrigD, SourceLocation Loc)
Complete the explicit specialization of a member of a class template by updating the instantiated mem...
static bool diagnoseMissingArgument(Sema &S, SourceLocation Loc, TemplateDecl *TD, const TemplateParmDecl *D, TemplateArgumentListInfo &Args)
Diagnose a missing template argument.
static bool MatchTemplateParameterKind(Sema &S, NamedDecl *New, const Sema::TemplateCompareNewDeclInfo &NewInstFrom, NamedDecl *Old, const NamedDecl *OldInstFrom, bool Complain, Sema::TemplateParameterListEqualKind Kind, SourceLocation TemplateArgLoc)
Match two template parameters within template parameter lists.
static void dllExportImportClassTemplateSpecialization(Sema &S, ClassTemplateSpecializationDecl *Def)
Make a dllexport or dllimport attr on a class template specialization take effect.
Defines the clang::SourceLocation class and associated facilities.
Defines utilities for dealing with stack allocation and stack space.
static const TemplateArgument & getArgument(const TemplateArgument &A)
APValue - This class implements a discriminated union of [uninitialized] [APSInt] [APFloat],...
const LValueBase getLValueBase() const
APSInt & getComplexIntImag()
ValueKind getKind() const
APFixedPoint & getFixedPoint()
const ValueDecl * getMemberPointerDecl() const
APValue & getVectorElt(unsigned I)
unsigned getVectorLength() const
bool isMemberPointer() const
std::string getAsString(const ASTContext &Ctx, QualType Ty) const
@ Indeterminate
This object has an indeterminate value (C++ [basic.indet]).
@ None
There is no such object (it's outside its lifetime).
bool isNullPointer() const
APSInt & getComplexIntReal()
APFloat & getComplexFloatImag()
APFloat & getComplexFloatReal()
virtual bool HandleTopLevelDecl(DeclGroupRef D)
HandleTopLevelDecl - Handle the specified top-level declaration.
virtual void AssignInheritanceModel(CXXRecordDecl *RD)
Callback invoked when an MSInheritanceAttr has been attached to a CXXRecordDecl.
Holds long-lived AST nodes (such as types and decls) that can be referred to throughout the semantic ...
TranslationUnitDecl * getTranslationUnitDecl() const
unsigned getIntWidth(QualType T) const
QualType getDependentTemplateSpecializationType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, const IdentifierInfo *Name, ArrayRef< TemplateArgumentLoc > Args) const
bool hasSimilarType(QualType T1, QualType T2)
Determine if two types are similar, according to the C++ rules.
TemplateArgument getCanonicalTemplateArgument(const TemplateArgument &Arg) const
Retrieve the "canonical" template argument.
DeclarationNameTable DeclarationNames
TemplateName getCanonicalTemplateName(const TemplateName &Name) const
Retrieves the "canonical" template name that refers to a given template.
QualType getTemplateSpecializationType(TemplateName T, ArrayRef< TemplateArgument > Args, QualType Canon=QualType()) const
QualType getInjectedClassNameType(CXXRecordDecl *Decl, QualType TST) const
getInjectedClassNameType - Return the unique reference to the injected class name type for the specif...
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.
TemplateName getQualifiedTemplateName(NestedNameSpecifier *NNS, bool TemplateKeyword, TemplateName Template) const
Retrieve the template name that represents a qualified template name such as std::vector.
QualType getPointerType(QualType T) const
Return the uniqued reference to the type for a pointer to the specified type.
QualType getTypeDeclType(const TypeDecl *Decl, const TypeDecl *PrevDecl=nullptr) const
Return the unique reference to the type for the specified type declaration.
const LangOptions & getLangOpts() const
TemplateArgument getInjectedTemplateArg(NamedDecl *ParamDecl)
QualType getDecayedType(QualType T) const
Return the uniqued reference to the decayed version of the given type.
QualType getBaseElementType(const ArrayType *VAT) const
Return the innermost element type of an array type.
QualType getCanonicalTemplateSpecializationType(TemplateName T, ArrayRef< TemplateArgument > Args) const
QualType getDeducedTemplateSpecializationType(TemplateName Template, QualType DeducedType, bool IsDependent) const
C++17 deduced class template specialization type.
TypeSourceInfo * getTrivialTypeSourceInfo(QualType T, SourceLocation Loc=SourceLocation()) const
Allocate a TypeSourceInfo where all locations have been initialized to a given location,...
bool isSameEntity(const NamedDecl *X, const NamedDecl *Y) const
Determine whether the two declarations refer to the same entity.
TypeSourceInfo * getTemplateSpecializationTypeInfo(TemplateName T, SourceLocation TLoc, const TemplateArgumentListInfo &Args, QualType Canon=QualType()) const
QualType getQualifiedType(SplitQualType split) const
Un-split a SplitQualType.
QualType getElaboratedType(ElaboratedTypeKeyword Keyword, NestedNameSpecifier *NNS, QualType NamedType, TagDecl *OwnedTagDecl=nullptr) const
bool hasSameUnqualifiedType(QualType T1, QualType T2) const
Determine whether the given types are equivalent after cvr-qualifiers have been removed.
uint64_t getTypeSize(QualType T) const
Return the size of the specified (complete) type T, in bits.
TemplateName getDependentTemplateName(NestedNameSpecifier *NNS, const IdentifierInfo *Name) const
Retrieve the template name that represents a dependent template name such as MetaFun::template apply.
TypeSourceInfo * CreateTypeSourceInfo(QualType T, unsigned Size=0) const
Allocate an uninitialized TypeSourceInfo.
QualType getArrayDecayedType(QualType T) const
Return the properly qualified result of decaying the specified array type to a pointer.
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
const TargetInfo & getTargetInfo() const
TemplateName getOverloadedTemplateName(UnresolvedSetIterator Begin, UnresolvedSetIterator End) const
Retrieve the template name that corresponds to a non-empty lookup.
QualType getUnconstrainedType(QualType T) const
Remove any type constraints from a template parameter type, for equivalence comparison of template pa...
QualType getTypedefType(const TypedefNameDecl *Decl, QualType Underlying=QualType()) const
Return the unique reference to the type for the specified typedef-name decl.
void setPrimaryMergedDecl(Decl *D, Decl *Primary)
TemplateName getAssumedTemplateName(DeclarationName Name) const
Retrieve a template name representing an unqualified-id that has been assumed to name a template for ...
Represents a constant array type that does not decay to a pointer when used as a function parameter.
A structure for storing the information associated with a name that has been assumed to be a template...
DeclarationName getDeclName() const
Get the name of the template.
Attr - This represents one attribute.
AutoTypeKeyword getAutoKeyword() const
const NestedNameSpecifierLoc getNestedNameSpecifierLoc() const
SourceLocation getRAngleLoc() const
ConceptDecl * getNamedConcept() const
SourceLocation getLAngleLoc() const
NamedDecl * getFoundDecl() const
DeclarationNameInfo getConceptNameInfo() const
Represents a C++11 auto or C++14 decltype(auto) type, possibly constrained by a type-constraint.
A fixed int type of a specified bitwidth.
Represents the builtin template declaration which is used to implement __make_integer_seq and other b...
BuiltinTemplateKind getBuiltinTemplateKind() const
This class is used for builtin types like 'int'.
static CStyleCastExpr * Create(const ASTContext &Context, QualType T, ExprValueKind VK, CastKind K, Expr *Op, const CXXCastPath *BasePath, FPOptionsOverride FPO, TypeSourceInfo *WrittenTy, SourceLocation L, SourceLocation R)
static CXXBoolLiteralExpr * Create(const ASTContext &C, bool Val, QualType Ty, SourceLocation Loc)
Represents a C++ constructor within a class.
ExplicitSpecifier getExplicitSpecifier()
Represents a C++ deduction guide declaration.
static CXXDeductionGuideDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, ExplicitSpecifier ES, const DeclarationNameInfo &NameInfo, QualType T, TypeSourceInfo *TInfo, SourceLocation EndLocation, CXXConstructorDecl *Ctor=nullptr, DeductionCandidate Kind=DeductionCandidate::Normal)
Represents a C++ member access expression where the actual member referenced could not be resolved be...
static CXXDependentScopeMemberExpr * Create(const ASTContext &Ctx, Expr *Base, QualType BaseType, bool IsArrow, SourceLocation OperatorLoc, NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, NamedDecl *FirstQualifierFoundInScope, DeclarationNameInfo MemberNameInfo, const TemplateArgumentListInfo *TemplateArgs)
Represents a static or instance method of a struct/union/class.
The null pointer literal (C++11 [lex.nullptr])
Represents a C++ struct/union/class.
CXXRecordDecl * getMostRecentDecl()
CXXRecordDecl * getInstantiatedFromMemberClass() const
If this record is an instantiation of a member class, retrieves the member class from which it was in...
CXXRecordDecl * getDefinition() const
static CXXRecordDecl * Create(const ASTContext &C, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, IdentifierInfo *Id, CXXRecordDecl *PrevDecl=nullptr, bool DelayTypeCreation=false)
TemplateSpecializationKind getTemplateSpecializationKind() const
Determine whether this particular class is a specialization or instantiation of a class template or m...
void setDescribedClassTemplate(ClassTemplateDecl *Template)
MemberSpecializationInfo * getMemberSpecializationInfo() const
If this class is an instantiation of a member class of a class template specialization,...
void setTemplateSpecializationKind(TemplateSpecializationKind TSK)
Set the kind of specialization or template instantiation this is.
CXXRecordDecl * getPreviousDecl()
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.
SourceRange getRange() const
SourceLocation getBeginLoc() const
bool isSet() const
Deprecated.
NestedNameSpecifierLoc getWithLocInContext(ASTContext &Context) const
Retrieve a nested-name-specifier with location information, copied into the given AST context.
NestedNameSpecifier * getScopeRep() const
Retrieve the representation of the nested-name-specifier.
bool isInvalid() const
An error occurred during parsing of the scope specifier.
bool isEmpty() const
No scope specifier.
void Adopt(NestedNameSpecifierLoc Other)
Adopt an existing nested-name-specifier (with source-range information).
A Microsoft C++ __uuidof expression, which gets the _GUID that corresponds to the supplied type or ex...
Declaration of a class template.
CXXRecordDecl * getTemplatedDecl() const
Get the underlying class declarations of the template.
static ClassTemplateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, NamedDecl *Decl)
Create a class template node.
ClassTemplateDecl * getInstantiatedFromMemberTemplate() const
QualType getInjectedClassNameSpecialization()
Retrieve the template specialization type of the injected-class-name for this class template.
ClassTemplatePartialSpecializationDecl * getInstantiatedFromMember() const
Retrieve the member class template partial specialization from which this particular class template p...
void setMemberSpecialization()
Note that this member template is a specialization.
static ClassTemplatePartialSpecializationDecl * Create(ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, TemplateParameterList *Params, ClassTemplateDecl *SpecializedTemplate, ArrayRef< TemplateArgument > Args, const TemplateArgumentListInfo &ArgInfos, QualType CanonInjectedType, ClassTemplatePartialSpecializationDecl *PrevDecl)
Represents a class template specialization, which refers to a class template with a given set of temp...
SourceLocation getPointOfInstantiation() const
Get the point of instantiation (if any), or null if none.
static ClassTemplateSpecializationDecl * Create(ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, ClassTemplateDecl *SpecializedTemplate, ArrayRef< TemplateArgument > Args, ClassTemplateSpecializationDecl *PrevDecl)
Complex values, per C99 6.2.5p11.
Declaration of a C++20 concept.
Expr * getConstraintExpr() const
bool isTypeConcept() const
static ConceptDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, Expr *ConstraintExpr)
ConceptDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
static ConceptReference * Create(const ASTContext &C, NestedNameSpecifierLoc NNS, SourceLocation TemplateKWLoc, DeclarationNameInfo ConceptNameInfo, NamedDecl *FoundDecl, ConceptDecl *NamedConcept, const ASTTemplateArgumentListInfo *ArgsAsWritten)
static ConceptSpecializationExpr * Create(const ASTContext &C, ConceptReference *ConceptRef, ImplicitConceptSpecializationDecl *SpecDecl, const ConstraintSatisfaction *Satisfaction)
const TypeClass * getTypePtr() const
Represents the canonical version of C arrays with a specified constant size.
static ConstantExpr * Create(const ASTContext &Context, Expr *E, const APValue &Result)
Represents a concrete matrix type with constant number of rows and columns.
The result of a constraint satisfaction check, containing the necessary information to diagnose an un...
Base class for callback objects used by Sema::CorrectTypo to check the validity of a potential typo c...
A POD class for pairing a NamedDecl* with an access specifier.
static DeclAccessPair make(NamedDecl *D, AccessSpecifier AS)
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 Equals(const DeclContext *DC) const
Determine whether this declaration context is equivalent to the declaration context DC.
bool isFileContext() const
void makeDeclVisibleInContext(NamedDecl *D)
Makes a declaration visible within this context.
bool isTransparentContext() const
isTransparentContext - Determines whether this context is a "transparent" context,...
bool isDependentContext() const
Determines whether this context is dependent on a template parameter.
bool InEnclosingNamespaceSetOf(const DeclContext *NS) const
Test if this context is part of the enclosing namespace set of the context NS, as defined in C++0x [n...
lookup_result lookup(DeclarationName Name) const
lookup - Find the declarations (if any) with the given Name in this context.
bool isTranslationUnit() const
DeclContext * getRedeclContext()
getRedeclContext - Retrieve the context in which an entity conflicts with other entities of the same ...
void addDecl(Decl *D)
Add the declaration D into this context.
DeclContext * getEnclosingNamespaceContext()
Retrieve the nearest enclosing namespace context.
bool isFunctionOrMethod() const
DeclContext * getLookupParent()
Find the parent context of this context that will be used for unqualified name lookup.
bool isExternCContext() const
Determines whether this context or some of its ancestors is a linkage specification context that spec...
const LinkageSpecDecl * getExternCContext() const
Retrieve the nearest enclosing C linkage specification context.
bool Encloses(const DeclContext *DC) const
Determine whether this declaration context encloses the declaration context DC.
A reference to a declared variable, function, enum, etc.
NamedDecl * getFoundDecl()
Get the NamedDecl through which this reference occurred.
NestedNameSpecifier * getQualifier() const
If the name was qualified, retrieves the nested-name-specifier that precedes the name.
Captures information about "declaration specifiers".
bool isVirtualSpecified() const
void ClearStorageClassSpecs()
bool isNoreturnSpecified() const
SourceLocation getStorageClassSpecLoc() const
SCS getStorageClassSpec() const
SourceLocation getBeginLoc() const LLVM_READONLY
SourceRange getSourceRange() const LLVM_READONLY
SourceLocation getNoreturnSpecLoc() const
SourceLocation getExplicitSpecLoc() const
TSCS getThreadStorageClassSpec() const
ParsedAttributes & getAttributes()
bool isInlineSpecified() const
SourceLocation getThreadStorageClassSpecLoc() const
SourceLocation getVirtualSpecLoc() const
SourceLocation getConstexprSpecLoc() const
SourceLocation getInlineSpecLoc() const
bool hasExplicitSpecifier() const
bool hasConstexprSpecifier() const
Decl - This represents one declaration (or definition), e.g.
Decl * getPreviousDecl()
Retrieve the previous declaration that declares the same entity as this declaration,...
SourceLocation getEndLoc() const LLVM_READONLY
FriendObjectKind getFriendObjectKind() const
Determines whether this declaration is the object of a friend declaration and, if so,...
bool isImplicit() const
isImplicit - Indicates whether the declaration was implicitly generated by the implementation.
bool isParameterPack() const
Whether this declaration is a parameter pack.
void setInvalidDecl(bool Invalid=true)
setInvalidDecl - Indicates the Decl had a semantic error.
@ FOK_None
Not a friend object.
bool isTemplated() const
Determine whether this declaration is a templated entity (whether it is.
Module * getOwningModule() const
Get the module that owns this declaration (for visibility purposes).
unsigned getTemplateDepth() const
Determine the number of levels of template parameter surrounding this declaration.
Module * getImportedOwningModule() const
Get the imported owning module, if this decl is from an imported (non-local) module.
static DeclContext * castToDeclContext(const Decl *)
void setObjectOfFriendDecl(bool PerformFriendInjection=false)
Changes the namespace of this declaration to reflect that it's the object of a friend declaration.
bool isTemplateParameter() const
isTemplateParameter - Determines whether this declaration is a template parameter.
bool isInvalidDecl() const
void setAccess(AccessSpecifier AS)
SourceLocation getLocation() const
bool isTemplateParameterPack() const
isTemplateParameter - Determines whether this declaration is a template parameter pack.
DeclContext * getDeclContext()
AccessSpecifier getAccess() const
SourceLocation getBeginLoc() const LLVM_READONLY
void print(raw_ostream &Out, unsigned Indentation=0, bool PrintInstantiation=false) const
DeclContext * getLexicalDeclContext()
getLexicalDeclContext - The declaration context where this Decl was lexically declared (LexicalDC).
void setLexicalDeclContext(DeclContext *DC)
virtual Decl * getCanonicalDecl()
Retrieves the "canonical" declaration of the given declaration.
The name of a declaration.
IdentifierInfo * getAsIdentifierInfo() const
Retrieve the IdentifierInfo * stored in this declaration name, or null if this declaration name isn't...
std::string getAsString() const
Retrieve the human-readable string for this name.
bool isIdentifier() const
Predicate functions for querying what type of name this is.
SourceLocation getInnerLocStart() const
Return start of source range ignoring outer template declarations.
SourceLocation getBeginLoc() const LLVM_READONLY
void setTypeSourceInfo(TypeSourceInfo *TI)
TypeSourceInfo * getTypeSourceInfo() const
Information about one declarator, including the parsed type information and the identifier.
const DeclSpec & getDeclSpec() const
getDeclSpec - Return the declaration-specifier that this declarator was declared with.
SourceLocation getIdentifierLoc() const
SourceLocation getEllipsisLoc() const
SourceLocation getBeginLoc() const LLVM_READONLY
UnqualifiedId & getName()
Retrieve the name specified by this declarator.
const CXXScopeSpec & getCXXScopeSpec() const
getCXXScopeSpec - Return the C++ scope specifier (global scope or nested-name-specifier) that is part...
bool isInvalidType() const
SourceRange getSourceRange() const LLVM_READONLY
Get the source range that spans this declarator.
DeclSpec & getMutableDeclSpec()
getMutableDeclSpec - Return a non-const version of the DeclSpec.
const IdentifierInfo * getIdentifier() const
Represents the type decltype(expr) (C++11).
Represents a C++17 deduced template specialization type.
Common base class for placeholders for types that get replaced by placeholder type deduction: C++11 a...
Represents an extended address space qualifier where the input address space value is dependent.
void setNameLoc(SourceLocation Loc)
void setElaboratedKeywordLoc(SourceLocation Loc)
void setQualifierLoc(NestedNameSpecifierLoc QualifierLoc)
Represents a qualified type name for which the type name is dependent.
A qualified reference to a name whose declaration cannot yet be resolved.
static DependentScopeDeclRefExpr * Create(const ASTContext &Context, NestedNameSpecifierLoc QualifierLoc, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs)
Represents an array type in C++ whose size is a value-dependent expression.
Represents an extended vector type where either the type or size is dependent.
Represents a matrix type where the type and the number of rows and columns is dependent on a template...
Represents a dependent template name that cannot be resolved prior to template instantiation.
bool isIdentifier() const
Determine whether this template name refers to an identifier.
NestedNameSpecifier * getQualifier() const
Return the nested name specifier that qualifies this name.
const IdentifierInfo * getIdentifier() const
Returns the identifier to which this template name refers.
void setQualifierLoc(NestedNameSpecifierLoc QualifierLoc)
unsigned getNumArgs() const
void setTemplateKeywordLoc(SourceLocation Loc)
void setElaboratedKeywordLoc(SourceLocation Loc)
void setRAngleLoc(SourceLocation Loc)
void setLAngleLoc(SourceLocation Loc)
void setArgLocInfo(unsigned i, TemplateArgumentLocInfo AI)
void setTemplateNameLoc(SourceLocation Loc)
Represents a template specialization type whose template cannot be resolved, e.g.
Represents a vector type where either the type or size is dependent.
void setElaboratedKeywordLoc(SourceLocation Loc)
TypeLoc getNamedTypeLoc() const
void setQualifierLoc(NestedNameSpecifierLoc QualifierLoc)
Represents a type that was referred to using an elaborated type keyword, e.g., struct S,...
RAII object that enters a new expression evaluation context.
MemberSpecializationInfo * getMemberSpecializationInfo() const
If this enumeration is an instantiation of a member enumeration of a class template specialization,...
EnumDecl * getInstantiatedFromMemberEnum() const
Returns the enumeration (declared within the template) from which this enumeration type was instantia...
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of enums.
Store information needed for an explicit specifier.
This represents one expression.
Expr * IgnoreParenCasts() LLVM_READONLY
Skip past any parentheses and casts which might surround this expression until reaching a fixed point...
bool isValueDependent() const
Determines whether the value of this expression depends on.
ExprValueKind getValueKind() const
getValueKind - The value kind that this expression produces.
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...
bool isLValue() const
isLValue - True if this expression is an "l-value" according to the rules of the current language.
@ NPC_NeverValueDependent
Specifies that the expression should never be value-dependent.
bool EvaluateAsRValue(EvalResult &Result, const ASTContext &Ctx, bool InConstantContext=false) const
EvaluateAsRValue - Return true if this is a constant which we can fold to an rvalue using any crazy t...
Expr * IgnoreImpCasts() LLVM_READONLY
Skip past any implicit casts which might surround this expression until reaching a fixed point.
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...
ExtVectorType - Extended vector type.
Represents a member of a struct/union/class.
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.
static FixedPointLiteral * CreateFromRawInt(const ASTContext &C, const llvm::APInt &V, QualType type, SourceLocation l, unsigned Scale)
static FloatingLiteral * Create(const ASTContext &C, const llvm::APFloat &V, bool isexact, QualType Type, SourceLocation L)
FriendDecl - Represents the declaration of a friend entity, which can be a function,...
static FriendDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, FriendUnion Friend_, SourceLocation FriendL, ArrayRef< TemplateParameterList * > FriendTypeTPLists=std::nullopt)
Represents a function declaration or definition.
ConstexprSpecKind getConstexprKind() const
bool isFunctionTemplateSpecialization() const
Determine whether this function is a function template specialization.
FunctionTemplateDecl * getDescribedFunctionTemplate() const
Retrieves the function template that is described by this function declaration.
SourceLocation getPointOfInstantiation() const
Retrieve the (first) point of instantiation of a function template specialization or a member of a cl...
QualType getReturnType() const
ArrayRef< ParmVarDecl * > parameters() const
FunctionTemplateDecl * getPrimaryTemplate() const
Retrieve the primary template that this function template specialization either specializes or was in...
FunctionDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
bool isDeleted() const
Whether this function has been deleted.
TemplatedKind getTemplatedKind() const
What kind of templated function this is.
bool isConstexpr() const
Whether this is a (C++11) constexpr function or constexpr constructor.
void setDependentTemplateSpecialization(ASTContext &Context, const UnresolvedSetImpl &Templates, const TemplateArgumentListInfo *TemplateArgs)
Specifies that this function declaration is actually a dependent function template specialization.
void setLateTemplateParsed(bool ILT=true)
State that this templated function will be late parsed.
TemplateSpecializationKind getTemplateSpecializationKind() const
Determine what kind of template instantiation this function represents.
void setDeletedAsWritten(bool D=true, StringLiteral *Message=nullptr)
Represents a K&R-style 'int foo()' function, which has no information available about its arguments.
Represents a prototype with parameter type info, e.g.
void Profile(llvm::FoldingSetNodeID &ID, const ASTContext &Ctx)
bool isVariadic() const
Whether this function prototype is variadic.
ExtProtoInfo getExtProtoInfo() const
ArrayRef< QualType > getParamTypes() const
ArrayRef< QualType > param_types() const
Declaration of a template function.
FunctionDecl * getTemplatedDecl() const
Get the underlying function declaration of the template.
static FunctionTemplateDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, NamedDecl *Decl)
Create a function template node.
Provides information about a function template specialization, which is a FunctionDecl that has been ...
bool isExplicitSpecialization() const
void setTemplateSpecializationKind(TemplateSpecializationKind TSK)
Set the template specialization kind.
SourceLocation getPointOfInstantiation() const
Retrieve the first point of instantiation of this function template specialization.
TemplateSpecializationKind getTemplateSpecializationKind() const
Determine what kind of template specialization this is.
unsigned getNumParams() const
SourceLocation getLocalRangeEnd() const
void setLocalRangeBegin(SourceLocation L)
void setLParenLoc(SourceLocation Loc)
void setParam(unsigned i, ParmVarDecl *VD)
ArrayRef< ParmVarDecl * > getParams() const
void setRParenLoc(SourceLocation Loc)
void setLocalRangeEnd(SourceLocation L)
void setExceptionSpecRange(SourceRange R)
SourceLocation getLocalRangeBegin() const
SourceLocation getLParenLoc() const
SourceLocation getRParenLoc() const
QualType getReturnType() const
One of these records is kept for each identifier that is lexed.
bool isStr(const char(&Str)[StrLen]) const
Return true if this is the identifier for the specified string.
StringRef getName() const
Return the actual identifier string.
void AddDecl(NamedDecl *D)
AddDecl - Link the decl to its shadowed decl chain.
ImplicitCastExpr - Allows us to explicitly represent implicit type conversions, which have no direct ...
static ImplicitConceptSpecializationDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation SL, ArrayRef< TemplateArgument > ConvertedArgs)
Represents a C array with an unspecified size.
const TypeClass * getTypePtr() const
Describes an C or C++ initializer list.
Describes the kind of initialization being performed, along with location information for tokens rela...
static InitializationKind CreateForInit(SourceLocation Loc, bool DirectInit, Expr *Init)
Create an initialization from an initializer (which, for direct initialization from a parenthesized l...
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.
Describes an entity that is being initialized.
static InitializedEntity InitializeTemplateParameter(QualType T, NonTypeTemplateParmDecl *Param)
Create the initialization entity for a template parameter.
Wrapper for source info for injected class names of class templates.
The injected class name of a C++ class template or class template partial specialization.
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'.
An lvalue reference type, per C++11 [dcl.ref].
A C++ lambda expression, which produces a function object (of unspecified type) that can be invoked l...
Represents a linkage specification.
A stack-allocated class that identifies which local variable declaration instantiations are present i...
NamedDecl * getPartiallySubstitutedPack(const TemplateArgument **ExplicitArgs=nullptr, unsigned *NumExplicitArgs=nullptr) const
Retrieve the partially-substitued template parameter pack.
void InstantiatedLocal(const Decl *D, Decl *Inst)
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.
bool wasNotFoundInCurrentInstantiation() const
Determine whether no result was found because we could not search into dependent base classes of the ...
LLVM_ATTRIBUTE_REINITIALIZES void clear()
Clears out any current state.
void setTemplateNameLookup(bool TemplateName)
Sets whether this is a template-name lookup.
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.
NamedDecl * getFoundDecl() const
Fetch the unique decl found by this lookup.
bool isSingleResult() const
Determines if this names a single result which is not an unresolved value using decl.
CXXRecordDecl * getNamingClass() const
Returns the 'naming class' for this lookup, i.e.
Sema::LookupNameKind getLookupKind() const
Gets the kind of lookup to perform.
bool isSuppressingAmbiguousDiagnostics() const
Determines whether this lookup is suppressing ambiguous lookup diagnostics.
NamedDecl * getRepresentativeDecl() const
Fetches a representative decl. Useful for lazy diagnostics.
void suppressDiagnostics()
Suppress the diagnostics that would normally fire because of this lookup.
DeclarationName getLookupName() const
Gets the name to look up.
const DeclarationNameInfo & getLookupNameInfo() const
Gets the name info to look up.
A pointer to member type per C++ 8.3.3 - Pointers to members.
QualType getPointeeType() const
Provides information a specialization of a member of a class template, which may be a member function...
TemplateSpecializationKind getTemplateSpecializationKind() const
Determine what kind of template specialization this is.
SourceLocation getPointOfInstantiation() const
Retrieve the first point of instantiation of this member.
std::string getFullModuleName(bool AllowStringLiterals=false) const
Retrieve the full name of this module, including the path from its top-level module.
Data structure that captures multiple levels of template argument lists for use in template instantia...
const ArgList & getInnermost() const
Retrieve the innermost template argument list.
void addOuterRetainedLevel()
Add an outermost level that we are not substituting.
void addOuterTemplateArguments(Decl *AssociatedDecl, ArgList Args, bool Final)
Add a new outmost level to the multi-level template argument list.
void setKind(TemplateSubstitutionKind K)
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.
StringRef getName() const
Get the name of identifier for this declaration as a StringRef.
DeclarationName getDeclName() const
Get the actual, stored name of the declaration, which may be a special name.
NamedDecl * getMostRecentDecl()
Linkage getFormalLinkage() const
Get the linkage from a semantic point of view.
void setModulePrivate()
Specify that this declaration was marked as being private to the module in which it was defined.
bool hasLinkage() const
Determine whether this declaration has linkage.
Represent a C++ namespace.
A C++ nested-name-specifier augmented with source location information.
TypeLoc getTypeLoc() const
For a nested-name-specifier that refers to a type, retrieve the type with source-location information...
NestedNameSpecifierLoc getPrefix() const
Return the prefix of this nested-name-specifier.
NestedNameSpecifier * getNestedNameSpecifier() const
Retrieve the nested-name-specifier to which this instance refers.
Represents a C++ nested name specifier, such as "\::std::vector<int>::".
bool isDependent() const
Whether this nested name specifier refers to a dependent type or not.
SpecifierKind getKind() const
Determine what kind of nested name specifier is stored.
static NestedNameSpecifier * Create(const ASTContext &Context, NestedNameSpecifier *Prefix, const IdentifierInfo *II)
Builds a specifier combining a prefix and an identifier.
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.
NonTypeTemplateParmDecl - Declares a non-type template parameter, e.g., "Size" in.
SourceLocation getDefaultArgumentLoc() const
Retrieve the location of the default argument, if any.
bool hasDefaultArgument() const
Determine whether this template parameter has a default argument.
static NonTypeTemplateParmDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, unsigned D, unsigned P, const IdentifierInfo *Id, QualType T, bool ParameterPack, TypeSourceInfo *TInfo)
bool isParameterPack() const
Whether this parameter is a non-type template parameter pack.
unsigned getIndex() const
Get the index of the template parameter within its parameter list.
Expr * getDefaultArgument() const
Retrieve the default argument, if any.
void setDefaultArgument(Expr *DefArg)
Set the default argument for this template parameter, and whether that default argument was inherited...
unsigned getDepth() const
Get the nesting depth of the template parameter.
void setPlaceholderTypeConstraint(Expr *E)
Interfaces are the core concept in Objective-C for object oriented design.
Represents a pointer to an Objective C object.
Represents a class type in Objective C.
static OpaquePtr make(TemplateName P)
OpaqueValueExpr - An expression referring to an opaque object of a fixed type and value class.
A structure for storing the information associated with an overloaded template name.
NamedDecl *const * iterator
Represents a C++11 pack expansion that produces a sequence of expressions.
Represents a pack expansion of types.
A single parameter index whose accessors require each use to make explicit the parameter index encodi...
ParenExpr - This represents a parethesized expression, e.g.
Represents a parameter to a function.
unsigned getFunctionScopeIndex() const
Returns the index of this parameter in its prototype or method scope.
void setScopeInfo(unsigned scopeDepth, unsigned parameterIndex)
static ParmVarDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, QualType T, TypeSourceInfo *TInfo, StorageClass S, Expr *DefArg)
bool hasDefaultArg() const
Determines whether this parameter has a default argument, either parsed or not.
unsigned getFunctionScopeDepth() const
ParsedAttr - Represents a syntactic attribute.
Represents the parsed form of a C++ template argument.
KindType getKind() const
Determine what kind of template argument we have.
SourceLocation getLocation() const
Retrieve the location of the template argument.
ParsedTemplateTy getAsTemplate() const
Retrieve the template template argument's template name.
ParsedTemplateArgument getTemplatePackExpansion(SourceLocation EllipsisLoc) const
Retrieve a pack expansion of the given template template argument.
ParsedType getAsType() const
Retrieve the template type argument's type.
@ Type
A template type parameter, stored as a type.
@ Template
A template template argument, stored as a template name.
@ NonType
A non-type template parameter, stored as an expression.
SourceLocation getEllipsisLoc() const
Retrieve the location of the ellipsis that makes a template template argument into a pack expansion.
Expr * getAsExpr() const
Retrieve the non-type template argument's expression.
const CXXScopeSpec & getScopeSpec() const
Retrieve the nested-name-specifier that precedes the template name in a template template argument.
PointerType - C99 6.7.5.1 - Pointer Declarators.
QualType getPointeeType() const
Engages in a tight little dance with the lexer to efficiently preprocess tokens.
StringRef getImmediateMacroName(SourceLocation Loc)
Retrieve the name of the immediate macro expansion.
A (possibly-)qualified type.
bool hasQualifiers() const
Determine whether this type has any qualifiers.
QualType getNonLValueExprType(const ASTContext &Context) const
Determine the type of a (typically non-lvalue) expression with the specified result type.
bool isNull() const
Return true if this QualType doesn't point to a type yet.
const Type * getTypePtr() const
Retrieves a pointer to the underlying (unqualified) type.
Qualifiers::ObjCLifetime getObjCLifetime() const
Returns lifetime attribute of this type.
QualType getNonReferenceType() const
If Type is a reference type (e.g., const int&), returns the type that the reference refers to ("const...
QualType getUnqualifiedType() const
Retrieve the unqualified variant of the given type, removing as little sugar as possible.
void * getAsOpaquePtr() const
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)
The collection of all-type qualifiers we support.
@ OCL_Strong
Assigning into this object requires the old value to be released and the new value to be retained.
void setObjCLifetime(ObjCLifetime type)
An rvalue reference type, per C++11 [dcl.ref].
Represents a struct/union/class.
RecordDecl * getDefinition() const
Returns the RecordDecl that actually defines this struct/union/class.
Wrapper for source info for record types.
A helper class that allows the use of isa/cast/dyncast to detect TagType objects of structs/unions/cl...
A class that does preorder or postorder depth-first traversal on the entire Clang AST and visits each...
bool TraverseTemplateName(TemplateName Template)
Recursively visit a template name and dispatch to the appropriate method.
bool isMemberSpecialization() const
Determines whether this template was a specialization of a member template.
void setMemberSpecialization()
Note that this member template is a specialization.
decl_type * getPreviousDecl()
Return the previous declaration of this declaration or NULL if this is the first declaration.
void setPreviousDecl(decl_type *PrevDecl)
Set the previous declaration.
Base for LValueReferenceType and RValueReferenceType.
QualType getPointeeType() const
Scope - A scope is a transient data structure that is used while parsing the program.
unsigned getFlags() const
getFlags - Return the flags for this scope.
const Scope * getParent() const
getParent - Return the scope that this is nested in.
@ TemplateParamScope
This is a scope that corresponds to the template parameters of a C++ template.
A generic diagnostic builder for errors which may or may not be deferred.
SemaDiagnosticBuilder Diag(SourceLocation Loc, unsigned DiagID, bool DeferHint=false)
Emit a diagnostic.
CUDAFunctionTarget IdentifyTarget(const FunctionDecl *D, bool IgnoreImplicitHDAttr=false)
Determines whether the given function is a CUDA device/host/kernel/etc.
void inheritTargetAttrs(FunctionDecl *FD, const FunctionTemplateDecl &TD)
Copies target attributes from the template TD to the function FD.
RAII object used to change the argument pack substitution index within a Sema object.
RAII object used to temporarily allow the C++ 'this' expression to be used, with the given qualifiers...
Whether and why a template name is required in this lookup.
SourceLocation getTemplateKeywordLoc() const
bool hasTemplateKeyword() const
Abstract base class used for diagnosing integer constant expression violations.
Sema - This implements semantic analysis and AST building for C.
bool hasReachableDefinition(NamedDecl *D, NamedDecl **Suggested, bool OnlyNeedComplete=false)
Determine if D has a reachable definition.
ParsedType CreateParsedType(QualType T, TypeSourceInfo *TInfo)
Package the given type and TSI into a ParsedType.
VarTemplateSpecializationDecl * BuildVarTemplateInstantiation(VarTemplateDecl *VarTemplate, VarDecl *FromVar, const TemplateArgumentList *PartialSpecArgs, const TemplateArgumentListInfo &TemplateArgsInfo, SmallVectorImpl< TemplateArgument > &Converted, SourceLocation PointOfInstantiation, LateInstantiatedAttrVec *LateAttrs=nullptr, LocalInstantiationScope *StartingScope=nullptr)
bool SubstTypeConstraint(TemplateTypeParmDecl *Inst, const TypeConstraint *TC, const MultiLevelTemplateArgumentList &TemplateArgs, bool EvaluateConstraint)
DeclResult ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, SourceLocation ModulePrivateLoc, CXXScopeSpec &SS, TemplateIdAnnotation &TemplateId, const ParsedAttributesView &Attr, MultiTemplateParamsArg TemplateParameterLists, SkipBodyInfo *SkipBody=nullptr)
SmallVector< CodeSynthesisContext, 16 > CodeSynthesisContexts
List of active code synthesis contexts.
LocalInstantiationScope * CurrentInstantiationScope
The current instantiation scope used to store local variables.
bool isDeclInScope(NamedDecl *D, DeclContext *Ctx, Scope *S=nullptr, bool AllowInlineNamespace=false) const
isDeclInScope - If 'Ctx' is a function/method, isDeclInScope returns true if 'D' is in Scope 'S',...
ExprResult CreateBuiltinUnaryOp(SourceLocation OpLoc, UnaryOperatorKind Opc, Expr *InputExpr, bool IsAfterAmp=false)
LookupNameKind
Describes the kind of name lookup to perform.
@ LookupOrdinaryName
Ordinary name lookup, which finds ordinary names (functions, variables, typedefs, etc....
@ LookupMemberName
Member name lookup, which finds the names of class/struct/union members.
@ LookupTagName
Tag name lookup, which finds the names of enums, classes, structs, and unions.
ExprResult ActOnConstantExpression(ExprResult Res)
TemplateName SubstTemplateName(NestedNameSpecifierLoc QualifierLoc, TemplateName Name, SourceLocation Loc, const MultiLevelTemplateArgumentList &TemplateArgs)
bool SetMemberAccessSpecifier(NamedDecl *MemberDecl, NamedDecl *PrevMemberDecl, AccessSpecifier LexicalAS)
SetMemberAccessSpecifier - Set the access specifier of a member.
bool BuildTypeConstraint(const CXXScopeSpec &SS, TemplateIdAnnotation *TypeConstraint, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc, bool AllowUnexpandedPack)
bool isTemplateTemplateParameterAtLeastAsSpecializedAs(TemplateParameterList *PParam, TemplateDecl *AArg, SourceLocation Loc)
bool diagnoseQualifiedDeclaration(CXXScopeSpec &SS, DeclContext *DC, DeclarationName Name, SourceLocation Loc, TemplateIdAnnotation *TemplateId, bool IsMemberSpecialization)
Diagnose a declaration whose declarator-id has the given nested-name-specifier.
TemplateParameterList * ActOnTemplateParameterList(unsigned Depth, SourceLocation ExportLoc, SourceLocation TemplateLoc, SourceLocation LAngleLoc, ArrayRef< NamedDecl * > Params, SourceLocation RAngleLoc, Expr *RequiresClause)
ActOnTemplateParameterList - Builds a TemplateParameterList, optionally constrained by RequiresClause...
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)
Decl * ActOnConceptDefinition(Scope *S, MultiTemplateParamsArg TemplateParameterLists, const IdentifierInfo *Name, SourceLocation NameLoc, Expr *ConstraintExpr)
NamedDecl * ActOnTemplateTemplateParameter(Scope *S, SourceLocation TmpLoc, TemplateParameterList *Params, bool Typename, SourceLocation EllipsisLoc, IdentifierInfo *ParamName, SourceLocation ParamNameLoc, unsigned Depth, unsigned Position, SourceLocation EqualLoc, ParsedTemplateArgument DefaultArg)
ActOnTemplateTemplateParameter - Called when a C++ template template parameter (e....
bool ActOnTypeConstraint(const CXXScopeSpec &SS, TemplateIdAnnotation *TypeConstraint, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc)
bool hasVisibleDeclaration(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine whether any declaration of an entity is visible.
bool DiagnoseClassNameShadow(DeclContext *DC, DeclarationNameInfo Info)
DiagnoseClassNameShadow - Implement C++ [class.mem]p13: If T is the name of a class,...
void NoteAllFoundTemplates(TemplateName Name)
bool DiagnoseUninstantiableTemplate(SourceLocation PointOfInstantiation, NamedDecl *Instantiation, bool InstantiatedFromMember, const NamedDecl *Pattern, const NamedDecl *PatternDef, TemplateSpecializationKind TSK, bool Complain=true)
Determine whether we would be unable to instantiate this template (because it either has no definitio...
TypeResult ActOnDependentTag(Scope *S, unsigned TagSpec, TagUseKind TUK, const CXXScopeSpec &SS, const IdentifierInfo *Name, SourceLocation TagLoc, SourceLocation NameLoc)
TemplateDecl * AdjustDeclIfTemplate(Decl *&Decl)
AdjustDeclIfTemplate - If the given decl happens to be a template, reset the parameter D to reference...
void InstantiateClassTemplateSpecializationMembers(SourceLocation PointOfInstantiation, ClassTemplateSpecializationDecl *ClassTemplateSpec, TemplateSpecializationKind TSK)
Instantiate the definitions of all of the members of the given class template specialization,...
bool RequireCompleteDeclContext(CXXScopeSpec &SS, DeclContext *DC)
Require that the context specified by SS be complete.
bool TemplateParameterListsAreEqual(const TemplateCompareNewDeclInfo &NewInstFrom, TemplateParameterList *New, const NamedDecl *OldInstFrom, TemplateParameterList *Old, bool Complain, TemplateParameterListEqualKind Kind, SourceLocation TemplateArgLoc=SourceLocation())
Determine whether the given template parameter lists are equivalent.
TemplateArgumentLoc SubstDefaultTemplateArgumentIfAvailable(TemplateDecl *Template, SourceLocation TemplateLoc, SourceLocation RAngleLoc, Decl *Param, ArrayRef< TemplateArgument > SugaredConverted, ArrayRef< TemplateArgument > CanonicalConverted, bool &HasDefaultArg)
If the given template parameter has a default template argument, substitute into that default templat...
ExprResult RebuildExprInCurrentInstantiation(Expr *E)
DeclResult ActOnVarTemplateSpecialization(Scope *S, Declarator &D, TypeSourceInfo *DI, LookupResult &Previous, SourceLocation TemplateKWLoc, TemplateParameterList *TemplateParams, StorageClass SC, bool IsPartialSpecialization)
ClassTemplatePartialSpecializationDecl * getMoreSpecializedPartialSpecialization(ClassTemplatePartialSpecializationDecl *PS1, ClassTemplatePartialSpecializationDecl *PS2, SourceLocation Loc)
Returns the more specialized class template partial specialization according to the rules of partial ...
FunctionTemplateDecl * DeclareAggregateDeductionGuideFromInitList(TemplateDecl *Template, MutableArrayRef< QualType > ParamTypes, SourceLocation Loc)
FunctionDecl * InstantiateFunctionDeclaration(FunctionTemplateDecl *FTD, const TemplateArgumentList *Args, SourceLocation Loc, CodeSynthesisContext::SynthesisKind CSC=CodeSynthesisContext::ExplicitTemplateArgumentSubstitution)
Instantiate (or find existing instantiation of) a function template with a given set of template argu...
void referenceDLLExportedClassMethods()
static NamedDecl * getAsTemplateNameDecl(NamedDecl *D, bool AllowFunctionTemplates=true, bool AllowDependent=true)
Try to interpret the lookup result D as a template-name.
NamedDecl * HandleDeclarator(Scope *S, Declarator &D, MultiTemplateParamsArg TemplateParameterLists)
ExprResult VerifyIntegerConstantExpression(Expr *E, llvm::APSInt *Result, VerifyICEDiagnoser &Diagnoser, AllowFoldKind CanFold=NoFold)
VerifyIntegerConstantExpression - Verifies that an expression is an ICE, and reports the appropriate ...
TemplateParameterList * MatchTemplateParametersToScopeSpecifier(SourceLocation DeclStartLoc, SourceLocation DeclLoc, const CXXScopeSpec &SS, TemplateIdAnnotation *TemplateId, ArrayRef< TemplateParameterList * > ParamLists, bool IsFriend, bool &IsMemberSpecialization, bool &Invalid, bool SuppressDiagnostic=false)
Match the given template parameter lists to the given scope specifier, returning the template paramet...
void AddAlignmentAttributesForRecord(RecordDecl *RD)
AddAlignmentAttributesForRecord - Adds any needed alignment attributes to a the record decl,...
bool RequireStructuralType(QualType T, SourceLocation Loc)
Require the given type to be a structural type, and diagnose if it is not.
ExprResult EvaluateConvertedConstantExpression(Expr *E, QualType T, APValue &Value, CCEKind CCE, bool RequireInt, const APValue &PreNarrowingValue)
EvaluateConvertedConstantExpression - Evaluate an Expression That is a converted constant expression ...
FPOptionsOverride CurFPFeatureOverrides()
ExprResult ActOnDependentIdExpression(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, bool isAddressOfOperand, const TemplateArgumentListInfo *TemplateArgs)
ActOnDependentIdExpression - Handle a dependent id-expression that was just parsed.
bool hasVisibleExplicitSpecialization(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine if there is a visible declaration of D that is an explicit specialization declaration for a...
bool IsInsideALocalClassWithinATemplateFunction()
Decl * ActOnTemplateDeclarator(Scope *S, MultiTemplateParamsArg TemplateParameterLists, Declarator &D)
NamedDecl * LookupSingleName(Scope *S, DeclarationName Name, SourceLocation Loc, LookupNameKind NameKind, RedeclarationKind Redecl=RedeclarationKind::NotForRedeclaration)
Look up a name, looking for a single declaration.
LateParsedTemplateMapT LateParsedTemplateMap
void UnmarkAsLateParsedTemplate(FunctionDecl *FD)
CheckTemplateArgumentKind
Specifies the context in which a particular template argument is being checked.
@ CTAK_Specified
The template argument was specified in the code or was instantiated with some deduced template argume...
@ CTAK_Deduced
The template argument was deduced via template argument deduction.
void CheckTemplatePartialSpecialization(ClassTemplatePartialSpecializationDecl *Partial)
TemplateNameKind isTemplateName(Scope *S, CXXScopeSpec &SS, bool hasTemplateKeyword, const UnqualifiedId &Name, ParsedType ObjectType, bool EnteringContext, TemplateTy &Template, bool &MemberOfUnknownSpecialization, bool Disambiguation=false)
ParsedTemplateArgument ActOnTemplateTypeArgument(TypeResult ParsedType)
Convert a parsed type into a parsed template argument.
bool DiagnoseUnknownTemplateName(const IdentifierInfo &II, SourceLocation IILoc, Scope *S, const CXXScopeSpec *SS, TemplateTy &SuggestedTemplate, TemplateNameKind &SuggestedKind)
bool IsQualificationConversion(QualType FromType, QualType ToType, bool CStyle, bool &ObjCLifetimeConversion)
IsQualificationConversion - Determines whether the conversion from an rvalue of type FromType to ToTy...
bool ConstraintExpressionDependsOnEnclosingTemplate(const FunctionDecl *Friend, unsigned TemplateDepth, const Expr *Constraint)
bool CheckTemplatePartialSpecializationArgs(SourceLocation Loc, TemplateDecl *PrimaryTemplate, unsigned NumExplicitArgs, ArrayRef< TemplateArgument > Args)
Check the non-type template arguments of a class template partial specialization according to C++ [te...
QualType BuildFunctionType(QualType T, MutableArrayRef< QualType > ParamTypes, SourceLocation Loc, DeclarationName Entity, const FunctionProtoType::ExtProtoInfo &EPI)
Build a function type.
DeclarationNameInfo GetNameForDeclarator(Declarator &D)
GetNameForDeclarator - Determine the full declaration name for the given Declarator.
ExprResult SubstExpr(Expr *E, const MultiLevelTemplateArgumentList &TemplateArgs)
DiagnosticsEngine & getDiagnostics() const
TypeSourceInfo * CheckPackExpansion(TypeSourceInfo *Pattern, SourceLocation EllipsisLoc, std::optional< unsigned > NumExpansions)
Construct a pack expansion type from the pattern of the pack expansion.
ExprResult BuildExpressionFromNonTypeTemplateArgument(const TemplateArgument &Arg, SourceLocation Loc)
void propagateDLLAttrToBaseClassTemplate(CXXRecordDecl *Class, Attr *ClassAttr, ClassTemplateSpecializationDecl *BaseTemplateSpec, SourceLocation BaseLoc)
Perform propagation of DLL attributes from a derived class to a templated base class for MS compatibi...
FunctionDecl * ResolveAddressOfOverloadedFunction(Expr *AddressOfExpr, QualType TargetType, bool Complain, DeclAccessPair &Found, bool *pHadMultipleCandidates=nullptr)
ResolveAddressOfOverloadedFunction - Try to resolve the address of an overloaded function (C++ [over....
void PushOnScopeChains(NamedDecl *D, Scope *S, bool AddToContext=true)
Add this decl to the scope shadowed decl chains.
void checkSpecializationReachability(SourceLocation Loc, NamedDecl *Spec)
bool hasVisibleDefaultArgument(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine if the template parameter D has a visible default argument.
ASTContext & getASTContext() const
void translateTemplateArguments(const ASTTemplateArgsPtr &In, TemplateArgumentListInfo &Out)
Translates template arguments as provided by the parser into template arguments used by semantic anal...
UnresolvedSetIterator getMostSpecialized(UnresolvedSetIterator SBegin, UnresolvedSetIterator SEnd, TemplateSpecCandidateSet &FailedCandidates, SourceLocation Loc, const PartialDiagnostic &NoneDiag, const PartialDiagnostic &AmbigDiag, const PartialDiagnostic &CandidateDiag, bool Complain=true, QualType TargetType=QualType())
Retrieve the most specialized of the given function template specializations.
bool IsIntegralPromotion(Expr *From, QualType FromType, QualType ToType)
IsIntegralPromotion - Determines whether the conversion from the expression From (whose potentially-a...
TypeSourceInfo * SubstType(TypeSourceInfo *T, const MultiLevelTemplateArgumentList &TemplateArgs, SourceLocation Loc, DeclarationName Entity, bool AllowDeducedTST=false)
Perform substitution on the type T with a given set of template arguments.
bool IsRedefinitionInModule(const NamedDecl *New, const NamedDecl *Old) const
ExprResult BuildTemplateIdExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, bool RequiresADL, const TemplateArgumentListInfo *TemplateArgs)
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.
void InstantiateVariableDefinition(SourceLocation PointOfInstantiation, VarDecl *Var, bool Recursive=false, bool DefinitionRequired=false, bool AtEndOfTU=false)
Instantiate the definition of the given variable from its template.
void MarkAsLateParsedTemplate(FunctionDecl *FD, Decl *FnD, CachedTokens &Toks)
bool RequireLiteralType(SourceLocation Loc, QualType T, TypeDiagnoser &Diagnoser)
Ensure that the type T is a literal type.
PrintingPolicy getPrintingPolicy() const
Retrieve a suitable printing policy for diagnostics.
bool isAcceptableTagRedeclaration(const TagDecl *Previous, TagTypeKind NewTag, bool isDefinition, SourceLocation NewTagLoc, const IdentifierInfo *Name)
Determine whether a tag with a given kind is acceptable as a redeclaration of the given tag declarati...
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)
unsigned NumSFINAEErrors
The number of SFINAE diagnostics that have been trapped.
TemplateParameterListEqualKind
Enumeration describing how template parameter lists are compared for equality.
@ TPL_TemplateTemplateParmMatch
We are matching the template parameter lists of two template template parameters as part of matching ...
@ TPL_TemplateTemplateArgumentMatch
We are matching the template parameter lists of a template template argument against the template par...
@ TPL_TemplateMatch
We are matching the template parameter lists of two templates that might be redeclarations.
@ TPL_TemplateParamsEquivalent
We are determining whether the template-parameters are equivalent according to C++ [temp....
NamedDecl * ActOnTypeParameter(Scope *S, bool Typename, SourceLocation EllipsisLoc, SourceLocation KeyLoc, IdentifierInfo *ParamName, SourceLocation ParamNameLoc, unsigned Depth, unsigned Position, SourceLocation EqualLoc, ParsedType DefaultArg, bool HasTypeConstraint)
ActOnTypeParameter - Called when a C++ template type parameter (e.g., "typename T") has been parsed.
bool CheckFunctionTemplateSpecialization(FunctionDecl *FD, TemplateArgumentListInfo *ExplicitTemplateArgs, LookupResult &Previous, bool QualifiedFriend=false)
Perform semantic analysis for the given function template specialization.
@ FoundFunctions
This is assumed to be a template name because lookup found one or more functions (but no function tem...
@ None
This is not assumed to be a template name.
@ FoundNothing
This is assumed to be a template name because lookup found nothing.
bool InstantiateClassTemplateSpecialization(SourceLocation PointOfInstantiation, ClassTemplateSpecializationDecl *ClassTemplateSpec, TemplateSpecializationKind TSK, bool Complain=true)
bool RebuildNestedNameSpecifierInCurrentInstantiation(CXXScopeSpec &SS)
ArrayRef< InventedTemplateParameterInfo > getInventedParameterInfos() const
void inferGslOwnerPointerAttribute(CXXRecordDecl *Record)
Add [[gsl::Owner]] and [[gsl::Pointer]] attributes for std:: types.
FPOptions & getCurFPFeatures()
SourceLocation getLocForEndOfToken(SourceLocation Loc, unsigned Offset=0)
Calls Lexer::getLocForEndOfToken()
bool EnsureTemplateArgumentListConstraints(TemplateDecl *Template, const MultiLevelTemplateArgumentList &TemplateArgs, SourceRange TemplateIDRange)
Ensure that the given template arguments satisfy the constraints associated with the given template,...
@ UPPC_PartialSpecialization
Partial specialization.
@ UPPC_DefaultArgument
A default argument.
@ UPPC_ExplicitSpecialization
Explicit specialization.
@ UPPC_NonTypeTemplateParameterType
The type of a non-type template parameter.
@ UPPC_TypeConstraint
A type constraint.
const LangOptions & getLangOpts() const
void DiagnoseTemplateParameterShadow(SourceLocation Loc, Decl *PrevDecl, bool SupportedForCompatibility=false)
DiagnoseTemplateParameterShadow - Produce a diagnostic complaining that the template parameter 'PrevD...
TypoCorrection CorrectTypo(const DeclarationNameInfo &Typo, Sema::LookupNameKind LookupKind, Scope *S, CXXScopeSpec *SS, CorrectionCandidateCallback &CCC, CorrectTypoKind Mode, DeclContext *MemberContext=nullptr, bool EnteringContext=false, const ObjCObjectPointerType *OPT=nullptr, bool RecordFailure=true)
Try to "correct" a typo in the source code by finding visible declarations whose names are similar to...
bool RebuildTemplateParamsInCurrentInstantiation(TemplateParameterList *Params)
Rebuild the template parameters now that we know we're in a current instantiation.
const FunctionProtoType * ResolveExceptionSpec(SourceLocation Loc, const FunctionProtoType *FPT)
void NoteTemplateLocation(const NamedDecl &Decl, std::optional< SourceRange > ParamRange={})
ExprResult BuildCXXFoldExpr(UnresolvedLookupExpr *Callee, SourceLocation LParenLoc, Expr *LHS, BinaryOperatorKind Operator, SourceLocation EllipsisLoc, Expr *RHS, SourceLocation RParenLoc, std::optional< unsigned > NumExpansions)
bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, UnexpandedParameterPackContext UPPC)
If the given type contains an unexpanded parameter pack, diagnose the error.
bool hasVisibleMemberSpecialization(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine if there is a visible declaration of D that is a member specialization declaration (as oppo...
void checkClassLevelDLLAttribute(CXXRecordDecl *Class)
Check class-level dllimport/dllexport attribute.
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
void InstantiateClassMembers(SourceLocation PointOfInstantiation, CXXRecordDecl *Instantiation, const MultiLevelTemplateArgumentList &TemplateArgs, TemplateSpecializationKind TSK)
Instantiates the definitions of all of the member of the given class, which is an instantiation of a ...
std::pair< Expr *, std::string > findFailedBooleanCondition(Expr *Cond)
Find the failed Boolean condition within a given Boolean constant expression, and describe it with a ...
llvm::DenseMap< unsigned, CXXDeductionGuideDecl * > AggregateDeductionCandidates
QualType CheckTypenameType(ElaboratedTypeKeyword Keyword, SourceLocation KeywordLoc, NestedNameSpecifierLoc QualifierLoc, const IdentifierInfo &II, SourceLocation IILoc, TypeSourceInfo **TSI, bool DeducedTSTContext)
void MarkAnyDeclReferenced(SourceLocation Loc, Decl *D, bool MightBeOdrUse)
Perform marking for a reference to an arbitrary declaration.
void ProcessDeclAttributeList(Scope *S, Decl *D, const ParsedAttributesView &AttrList, const ProcessDeclAttributeOptions &Options=ProcessDeclAttributeOptions())
ProcessDeclAttributeList - Apply all the decl attributes in the specified attribute list to the speci...
void MarkVTableUsed(SourceLocation Loc, CXXRecordDecl *Class, bool DefinitionRequired=false)
Note that the vtable for the given class was used at the given location.
bool hasAnyAcceptableTemplateNames(LookupResult &R, bool AllowFunctionTemplates=true, bool AllowDependent=true, bool AllowNonTemplateFunctions=false)
ExprResult BuildConvertedConstantExpression(Expr *From, QualType T, CCEKind CCE, NamedDecl *Dest=nullptr)
bool CheckDependentFunctionTemplateSpecialization(FunctionDecl *FD, const TemplateArgumentListInfo *ExplicitTemplateArgs, LookupResult &Previous)
Perform semantic analysis for the given dependent function template specialization.
QualType getElaboratedType(ElaboratedTypeKeyword Keyword, const CXXScopeSpec &SS, QualType T, TagDecl *OwnedTagDecl=nullptr)
Retrieve a version of the type 'T' that is elaborated by Keyword, qualified by the nested-name-specif...
bool hasExplicitCallingConv(QualType T)
NonTagKind getNonTagTypeDeclKind(const Decl *D, TagTypeKind TTK)
Given a non-tag type declaration, returns an enum useful for indicating what kind of non-tag type thi...
bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, bool AllowBuiltinCreation=false, bool EnteringContext=false)
Performs name lookup for a name that was parsed in the source code, and may contain a C++ scope speci...
bool CheckTemplateTypeArgument(TemplateTypeParmDecl *Param, TemplateArgumentLoc &Arg, SmallVectorImpl< TemplateArgument > &SugaredConverted, SmallVectorImpl< TemplateArgument > &CanonicalConverted)
bool AreConstraintExpressionsEqual(const NamedDecl *Old, const Expr *OldConstr, const TemplateCompareNewDeclInfo &New, const Expr *NewConstr)
TemplateArgumentLoc getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, QualType NTTPType, SourceLocation Loc)
Allocate a TemplateArgumentLoc where all locations have been initialized to the given location.
void AddPushedVisibilityAttribute(Decl *RD)
AddPushedVisibilityAttribute - If '#pragma GCC visibility' was used, add an appropriate visibility at...
std::optional< sema::TemplateDeductionInfo * > isSFINAEContext() const
Determines whether we are currently in a context where template argument substitution failures are no...
DeclResult CheckClassTemplate(Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, const ParsedAttributesView &Attr, TemplateParameterList *TemplateParams, AccessSpecifier AS, SourceLocation ModulePrivateLoc, SourceLocation FriendLoc, unsigned NumOuterTemplateParamLists, TemplateParameterList **OuterTemplateParamLists, SkipBodyInfo *SkipBody=nullptr)
QualType DeduceTemplateSpecializationFromInitializer(TypeSourceInfo *TInfo, const InitializedEntity &Entity, const InitializationKind &Kind, MultiExprArg Init)
bool MaybeEmitAmbiguousAtomicConstraintsDiagnostic(NamedDecl *D1, ArrayRef< const Expr * > AC1, NamedDecl *D2, ArrayRef< const Expr * > AC2)
If D1 was not at least as constrained as D2, but would've been if a pair of atomic constraints involv...
ExprResult DefaultLvalueConversion(Expr *E)
ExprResult BuildDeclarationNameExpr(const CXXScopeSpec &SS, LookupResult &R, bool NeedsADL, bool AcceptInvalidDecl=false)
void NoteOverloadCandidate(const NamedDecl *Found, const FunctionDecl *Fn, OverloadCandidateRewriteKind RewriteKind=OverloadCandidateRewriteKind(), QualType DestType=QualType(), bool TakingAddress=false)
bool hasReachableDefaultArgument(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine if the template parameter D has a reachable default argument.
DeclContext * CurContext
CurContext - This is the current declaration context of parsing.
void ActOnDocumentableDecl(Decl *D)
Should be called on all declarations that might have attached documentation comments.
DeclarationNameInfo GetNameFromUnqualifiedId(const UnqualifiedId &Name)
Retrieves the declaration name from a parsed unqualified-id.
TypeSourceInfo * RebuildTypeInCurrentInstantiation(TypeSourceInfo *T, SourceLocation Loc, DeclarationName Name)
Rebuilds a type within the context of the current instantiation.
void CompleteMemberSpecialization(NamedDecl *Member, LookupResult &Previous)
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.
TemplateNameKindForDiagnostics getTemplateNameKindForDiagnostics(TemplateName Name)
void notePreviousDefinition(const NamedDecl *Old, SourceLocation New)
bool CheckSpecializationInstantiationRedecl(SourceLocation NewLoc, TemplateSpecializationKind ActOnExplicitInstantiationNewTSK, NamedDecl *PrevDecl, TemplateSpecializationKind PrevTSK, SourceLocation PrevPtOfInstantiation, bool &SuppressNew)
Diagnose cases where we have an explicit template specialization before/after an explicit template in...
bool CheckTypeConstraint(TemplateIdAnnotation *TypeConstraint)
TemplateNameKind ActOnTemplateName(Scope *S, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const UnqualifiedId &Name, ParsedType ObjectType, bool EnteringContext, TemplateTy &Template, bool AllowInjectedClassName=false)
Form a template name from a name that is syntactically required to name a template,...
bool hasVisibleDefinition(NamedDecl *D, NamedDecl **Suggested, bool OnlyNeedComplete=false)
Determine if D has a visible definition.
NonTagKind
Common ways to introduce type names without a tag for use in diagnostics.
void diagnoseExprIntendedAsTemplateName(Scope *S, ExprResult TemplateName, SourceLocation Less, SourceLocation Greater)
void DeclareImplicitDeductionGuides(TemplateDecl *Template, SourceLocation Loc)
Declare implicit deduction guides for a class template if we've not already done so.
ExprResult FixOverloadedFunctionReference(Expr *E, DeclAccessPair FoundDecl, FunctionDecl *Fn)
FixOverloadedFunctionReference - E is an expression that refers to a C++ overloaded function (possibl...
bool CheckTemplateTemplateArgument(TemplateTemplateParmDecl *Param, TemplateParameterList *Params, TemplateArgumentLoc &Arg)
Check a template argument against its corresponding template template parameter.
DeclResult CheckVarTemplateId(VarTemplateDecl *Template, SourceLocation TemplateLoc, SourceLocation TemplateNameLoc, const TemplateArgumentListInfo &TemplateArgs)
Get the specialization of the given variable template corresponding to the specified argument list,...
Decl * SubstDecl(Decl *D, DeclContext *Owner, const MultiLevelTemplateArgumentList &TemplateArgs)
DeclContext * computeDeclContext(QualType T)
Compute the DeclContext that is associated with the given type.
QualType CheckNonTypeTemplateParameterType(TypeSourceInfo *&TSI, SourceLocation Loc)
Check that the type of a non-type template parameter is well-formed.
QualType CheckTemplateIdType(TemplateName Template, SourceLocation TemplateLoc, TemplateArgumentListInfo &TemplateArgs)
void diagnoseMissingImport(SourceLocation Loc, const NamedDecl *Decl, MissingImportKind MIK, bool Recover=true)
Diagnose that the specified declaration needs to be visible but isn't, and suggest a module import th...
void FilterAcceptableTemplateNames(LookupResult &R, bool AllowFunctionTemplates=true, bool AllowDependent=true)
TypeSourceInfo * SubstAutoTypeSourceInfoDependent(TypeSourceInfo *TypeWithAuto)
bool IsAtLeastAsConstrained(NamedDecl *D1, MutableArrayRef< const Expr * > AC1, NamedDecl *D2, MutableArrayRef< const Expr * > AC2, bool &Result)
Check whether the given declaration's associated constraints are at least as constrained than another...
bool CheckTemplateDeclScope(Scope *S, TemplateParameterList *TemplateParams)
Check whether a template can be declared within this scope.
void AddMsStructLayoutForRecord(RecordDecl *RD)
AddMsStructLayoutForRecord - Adds ms_struct layout attribute to record.
TemplateParameterList * SubstTemplateParams(TemplateParameterList *Params, DeclContext *Owner, const MultiLevelTemplateArgumentList &TemplateArgs, bool EvaluateConstraints=true)
SourceLocation getTopMostPointOfInstantiation(const NamedDecl *) const
Returns the top most location responsible for the definition of N.
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.
ParsedTemplateArgument ActOnPackExpansion(const ParsedTemplateArgument &Arg, SourceLocation EllipsisLoc)
Invoked when parsing a template argument followed by an ellipsis, which creates a pack expansion.
void ActOnUndeclaredTypeTemplateName(Scope *S, TemplateTy &Name, TemplateNameKind &TNK, SourceLocation NameLoc, IdentifierInfo *&II)
Try to resolve an undeclared template name as a type template.
bool CheckMemberSpecialization(NamedDecl *Member, LookupResult &Previous)
Perform semantic analysis for the given non-template member specialization.
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 BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs)
bool InstantiateClass(SourceLocation PointOfInstantiation, CXXRecordDecl *Instantiation, CXXRecordDecl *Pattern, const MultiLevelTemplateArgumentList &TemplateArgs, TemplateSpecializationKind TSK, bool Complain=true)
Instantiate the definition of a class from a given pattern.
bool hasReachableMemberSpecialization(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine if there is a reachable declaration of D that is a member specialization declaration (as op...
RedeclarationKind forRedeclarationInCurContext() const
bool AttachTypeConstraint(NestedNameSpecifierLoc NS, DeclarationNameInfo NameInfo, ConceptDecl *NamedConcept, NamedDecl *FoundDecl, const TemplateArgumentListInfo *TemplateArgs, TemplateTypeParmDecl *ConstrainedParameter, SourceLocation EllipsisLoc)
Attach a type-constraint to a template parameter.
void InstantiateFunctionDefinition(SourceLocation PointOfInstantiation, FunctionDecl *Function, bool Recursive=false, bool DefinitionRequired=false, bool AtEndOfTU=false)
Instantiate the definition of the given function from its template.
@ CCEK_TemplateArg
Value of a non-type template parameter.
void InstantiateAttrsForDecl(const MultiLevelTemplateArgumentList &TemplateArgs, const Decl *Pattern, Decl *Inst, LateInstantiatedAttrVec *LateAttrs=nullptr, LocalInstantiationScope *OuterMostScope=nullptr)
void mergeDeclAttributes(NamedDecl *New, Decl *Old, AvailabilityMergeKind AMK=AMK_Redeclaration)
mergeDeclAttributes - Copy attributes from the Old decl to the New one.
void MarkUnusedFileScopedDecl(const DeclaratorDecl *D)
If it's a file scoped decl that must warn if not used, keep track of it.
bool CheckTemplateArgumentList(TemplateDecl *Template, SourceLocation TemplateLoc, TemplateArgumentListInfo &TemplateArgs, bool PartialTemplateArgs, SmallVectorImpl< TemplateArgument > &SugaredConverted, SmallVectorImpl< TemplateArgument > &CanonicalConverted, bool UpdateArgsWithConversions=true, bool *ConstraintsNotSatisfied=nullptr)
Check that the given template arguments can be provided to the given template, converting the argumen...
void MarkUsedTemplateParameters(const Expr *E, bool OnlyDeduced, unsigned Depth, llvm::SmallBitVector &Used)
Mark which template parameters are used in a given expression.
DeclResult ActOnExplicitInstantiation(Scope *S, SourceLocation ExternLoc, SourceLocation TemplateLoc, unsigned TagSpec, SourceLocation KWLoc, const CXXScopeSpec &SS, TemplateTy Template, SourceLocation TemplateNameLoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgs, SourceLocation RAngleLoc, const ParsedAttributesView &Attr)
@ ConstantEvaluated
The current context is "potentially evaluated" in C++11 terms, but the expression is evaluated at com...
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...
ExprResult BuildDependentDeclRefExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs)
TypeSourceInfo * GetTypeForDeclarator(Declarator &D)
GetTypeForDeclarator - Convert the type for the specified declarator to Type instances.
void diagnoseTypo(const TypoCorrection &Correction, const PartialDiagnostic &TypoDiag, bool ErrorRecovery=true)
DeclResult ActOnTag(Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, CXXScopeSpec &SS, IdentifierInfo *Name, SourceLocation NameLoc, const ParsedAttributesView &Attr, AccessSpecifier AS, SourceLocation ModulePrivateLoc, MultiTemplateParamsArg TemplateParameterLists, bool &OwnedDecl, bool &IsDependent, SourceLocation ScopedEnumKWLoc, bool ScopedEnumUsesClassTag, TypeResult UnderlyingType, bool IsTypeSpecifier, bool IsTemplateParamOrArg, OffsetOfKind OOK, SkipBodyInfo *SkipBody=nullptr)
This is invoked when we see 'struct foo' or 'struct {'.
bool CheckTemplateArgument(NamedDecl *Param, TemplateArgumentLoc &Arg, NamedDecl *Template, SourceLocation TemplateLoc, SourceLocation RAngleLoc, unsigned ArgumentPackIndex, SmallVectorImpl< TemplateArgument > &SugaredConverted, SmallVectorImpl< TemplateArgument > &CanonicalConverted, CheckTemplateArgumentKind CTAK)
Check that the given template argument corresponds to the given template parameter.
NestedNameSpecifierLoc SubstNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS, const MultiLevelTemplateArgumentList &TemplateArgs)
bool RequireCompleteType(SourceLocation Loc, QualType T, CompleteTypeKind Kind, TypeDiagnoser &Diagnoser)
Ensure that the type T is a complete type.
PartialDiagnostic PDiag(unsigned DiagID=0)
Build a partial diagnostic.
bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, bool InUnqualifiedLookup=false)
Perform qualified name lookup into a given context.
bool CheckEquivalentExceptionSpec(FunctionDecl *Old, FunctionDecl *New)
bool LookupTemplateName(LookupResult &R, Scope *S, CXXScopeSpec &SS, QualType ObjectType, bool EnteringContext, bool &MemberOfUnknownSpecialization, RequiredTemplateKind RequiredTemplate=SourceLocation(), AssumedTemplateKind *ATK=nullptr, bool AllowTypoCorrection=true)
void makeMergedDefinitionVisible(NamedDecl *ND)
Make a merged definition of an existing hidden definition ND visible at the specified location.
bool isDependentScopeSpecifier(const CXXScopeSpec &SS)
bool hasReachableExplicitSpecialization(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine if there is a reachable declaration of D that is an explicit specialization declaration for...
bool isDeductionGuideName(Scope *S, const IdentifierInfo &Name, SourceLocation NameLoc, CXXScopeSpec &SS, ParsedTemplateTy *Template=nullptr)
Determine whether a particular identifier might be the name in a C++1z deduction-guide declaration.
ExprResult DefaultFunctionArrayConversion(Expr *E, bool Diagnose=true)
DefaultFunctionArrayConversion (C99 6.3.2.1p3, C99 6.3.2.1p4).
NamedDecl * ActOnNonTypeTemplateParameter(Scope *S, Declarator &D, unsigned Depth, unsigned Position, SourceLocation EqualLoc, Expr *DefaultArg)
void diagnoseMissingTemplateArguments(TemplateName Name, SourceLocation Loc)
void CheckFunctionOrTemplateParamDeclarator(Scope *S, Declarator &D)
Common checks for a parameter-declaration that should apply to both function parameters and non-type ...
TemplateParamListContext
The context in which we are checking a template parameter list.
@ TPC_FriendFunctionTemplate
@ TPC_ClassTemplateMember
@ TPC_FriendClassTemplate
@ TPC_FriendFunctionTemplateDefinition
void checkSpecializationVisibility(SourceLocation Loc, NamedDecl *Spec)
We've found a use of a templated declaration that would trigger an implicit instantiation.
void FilterLookupForScope(LookupResult &R, DeclContext *Ctx, Scope *S, bool ConsiderLinkage, bool AllowInlineNamespace)
Filters out lookup results that don't fall within the given scope as determined by isDeclInScope.
TemplateDeductionResult DeduceTemplateArguments(ClassTemplatePartialSpecializationDecl *Partial, ArrayRef< TemplateArgument > TemplateArgs, sema::TemplateDeductionInfo &Info)
bool resolveAssumedTemplateNameAsType(Scope *S, TemplateName &Name, SourceLocation NameLoc, bool Diagnose=true)
static Scope * getScopeForDeclContext(Scope *S, DeclContext *DC)
Finds the scope corresponding to the given decl context, if it happens to be an enclosing scope.
ExprResult CheckConceptTemplateId(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &ConceptNameInfo, NamedDecl *FoundDecl, ConceptDecl *NamedConcept, const TemplateArgumentListInfo *TemplateArgs)
sema::LambdaScopeInfo * getEnclosingLambda() const
Get the innermost lambda enclosing the current location, if any.
void CheckConceptRedefinition(ConceptDecl *NewDecl, LookupResult &Previous, bool &AddToScope)
void runWithSufficientStackSpace(SourceLocation Loc, llvm::function_ref< void()> Fn)
Run some code with "sufficient" stack space.
SmallVector< CXXRecordDecl *, 4 > DelayedDllExportClasses
bool CheckTemplateParameterList(TemplateParameterList *NewParams, TemplateParameterList *OldParams, TemplateParamListContext TPC, SkipBodyInfo *SkipBody=nullptr)
Checks the validity of a template parameter list, possibly considering the template parameter list fr...
bool isMoreSpecializedThanPrimary(ClassTemplatePartialSpecializationDecl *T, sema::TemplateDeductionInfo &Info)
void ProcessAPINotes(Decl *D)
Map any API notes provided for this declaration to attributes on the declaration.
std::string getTemplateArgumentBindingsText(const TemplateParameterList *Params, const TemplateArgumentList &Args)
Produces a formatted string that describes the binding of template parameters to template arguments.
bool CheckRedeclarationInModule(NamedDecl *New, NamedDecl *Old)
bool SubstTemplateArgument(const TemplateArgumentLoc &Input, const MultiLevelTemplateArgumentList &TemplateArgs, TemplateArgumentLoc &Output)
ExprResult BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg, QualType ParamType, SourceLocation Loc)
Given a non-type template argument that refers to a declaration and the type of its corresponding non...
@ Diagnose
Diagnose issues that are non-constant or that are extensions.
unsigned getTemplateDepth(Scope *S) const
Determine the number of levels of enclosing template parameters.
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)
QualType adjustCCAndNoReturn(QualType ArgFunctionType, QualType FunctionType, bool AdjustExceptionSpec=false)
Adjust the type ArgFunctionType to match the calling convention, noreturn, and optionally the excepti...
void NoteTemplateParameterLocation(const NamedDecl &Decl)
IdentifierResolver IdResolver
ArrayRef< sema::FunctionScopeInfo * > getFunctionScopes() const
DeclContextLookupResult LookupConstructors(CXXRecordDecl *Class)
Look up the constructors for the given class.
void CheckDeductionGuideTemplate(FunctionTemplateDecl *TD)
bool IsFunctionConversion(QualType FromType, QualType ToType, QualType &ResultTy)
Determine whether the conversion from FromType to ToType is a valid conversion that strips "noexcept"...
TypeResult ActOnTagTemplateIdType(TagUseKind TUK, TypeSpecifierType TagSpec, SourceLocation TagLoc, CXXScopeSpec &SS, SourceLocation TemplateKWLoc, TemplateTy TemplateD, SourceLocation TemplateLoc, SourceLocation LAngleLoc, ASTTemplateArgsPtr TemplateArgsIn, SourceLocation RAngleLoc)
Parsed an elaborated-type-specifier that refers to a template-id, such as class T::template apply.
MultiLevelTemplateArgumentList getTemplateInstantiationArgs(const NamedDecl *D, const DeclContext *DC=nullptr, bool Final=false, std::optional< ArrayRef< TemplateArgument > > Innermost=std::nullopt, bool RelativeToPrimary=false, const FunctionDecl *Pattern=nullptr, bool ForConstraintInstantiation=false, bool SkipForSpecialization=false)
Retrieve the template argument list(s) that should be used to instantiate the definition of the given...
bool hasReachableDeclaration(const NamedDecl *D, llvm::SmallVectorImpl< Module * > *Modules=nullptr)
Determine whether any declaration of an entity is reachable.
void MarkDeducedTemplateParameters(const FunctionTemplateDecl *FunctionTemplate, llvm::SmallBitVector &Deduced)
bool DiagnoseUnexpandedParameterPacks(SourceLocation Loc, UnexpandedParameterPackContext UPPC, ArrayRef< UnexpandedParameterPack > Unexpanded)
Diagnose unexpanded parameter packs.
void warnOnReservedIdentifier(const NamedDecl *D)
void inferNullableClassAttribute(CXXRecordDecl *CRD)
Add _Nullable attributes for std:: types.
ExprResult ActOnFinishFullExpr(Expr *Expr, bool DiscardedValue)
Encodes a location in the source.
bool isValid() const
Return true if this is a valid SourceLocation object.
A trivial tuple used to represent a source range.
SourceLocation getEnd() const
SourceLocation getBegin() const
Stmt - This represents one statement.
SourceLocation getEndLoc() const LLVM_READONLY
void printPretty(raw_ostream &OS, PrinterHelper *Helper, const PrintingPolicy &Policy, unsigned Indentation=0, StringRef NewlineSymbol="\n", const ASTContext *Context=nullptr) const
SourceRange getSourceRange() const LLVM_READONLY
SourceLocation tokens are not useful in isolation - they are low level value objects created/interpre...
SourceLocation getBeginLoc() const LLVM_READONLY
Represents a reference to a non-type template parameter that has been substituted with a template arg...
Represents the result of substituting a set of types for a template type parameter pack.
Represents the result of substituting a type for a template type parameter.
Represents the declaration of a struct/union/class/enum.
StringRef getKindName() const
void startDefinition()
Starts the definition of this tag declaration.
void setTemplateParameterListsInfo(ASTContext &Context, ArrayRef< TemplateParameterList * > TPLists)
bool hasNameForLinkage() const
Is this tag type named, either directly or via being defined in a typedef of this type?
TagKind getTagKind() const
bool isBeingDefined() const
Determines whether this type is in the process of being defined.
bool isMicrosoft() const
Is this ABI an MSVC-compatible ABI?
const llvm::Triple & getTriple() const
Returns the target triple of the primary target.
TargetCXXABI getCXXABI() const
Get the C++ ABI currently in use.
virtual bool shouldDLLImportComdatSymbols() const
Does this target aim for semantic compatibility with Microsoft C++ code using dllimport/export attrib...
A convenient class for passing around template argument information.
SourceLocation getRAngleLoc() const
void setLAngleLoc(SourceLocation Loc)
void setRAngleLoc(SourceLocation Loc)
void addArgument(const TemplateArgumentLoc &Loc)
llvm::ArrayRef< TemplateArgumentLoc > arguments() const
SourceLocation getLAngleLoc() const
A template argument list.
const TemplateArgument * data() const
Retrieve a pointer to the template argument list.
static TemplateArgumentList * CreateCopy(ASTContext &Context, ArrayRef< TemplateArgument > Args)
Create a new template argument list that copies the given set of template arguments.
unsigned size() const
Retrieve the number of template arguments in this template argument list.
Location wrapper for a TemplateArgument.
SourceLocation getLocation() const
SourceLocation getTemplateEllipsisLoc() const
const TemplateArgument & getArgument() const
SourceLocation getTemplateNameLoc() const
TypeSourceInfo * getTypeSourceInfo() const
SourceRange getSourceRange() const LLVM_READONLY
NestedNameSpecifierLoc getTemplateQualifierLoc() const
Expr * getSourceExpression() const
Represents a template argument.
QualType getStructuralValueType() const
Get the type of a StructuralValue.
Expr * getAsExpr() const
Retrieve the template argument as an expression.
bool isDependent() const
Whether this template argument is dependent on a template parameter such that its result can change f...
pack_iterator pack_begin() const
Iterator referencing the first argument of a template argument pack.
QualType getNonTypeTemplateArgumentType() const
If this is a non-type template argument, get its type.
QualType getAsType() const
Retrieve the type for a type template argument.
llvm::APSInt getAsIntegral() const
Retrieve the template argument as an integral value.
static TemplateArgument CreatePackCopy(ASTContext &Context, ArrayRef< TemplateArgument > Args)
Create a new template argument pack by copying the given set of template arguments.
TemplateName getAsTemplate() const
Retrieve the template name for a template name argument.
TemplateArgument getPackExpansionPattern() const
When the template argument is a pack expansion, returns the pattern of the pack expansion.
bool isNull() const
Determine whether this template argument has no value.
unsigned pack_size() const
The number of template arguments in the given template argument pack.
void print(const PrintingPolicy &Policy, raw_ostream &Out, bool IncludeType) const
Print this template argument to the given output stream.
QualType getIntegralType() const
Retrieve the type of the integral value.
ValueDecl * getAsDecl() const
Retrieve the declaration for a declaration non-type template argument.
@ Declaration
The template argument is a declaration that was provided for a pointer, reference,...
@ Template
The template argument is a template name that was provided for a template template parameter.
@ StructuralValue
The template argument is a non-type template argument that can't be represented by the special-case D...
@ Pack
The template argument is actually a parameter pack.
@ TemplateExpansion
The template argument is a pack expansion of a template name that was provided for a template templat...
@ NullPtr
The template argument is a null pointer or null pointer to member that was provided for a non-type te...
@ Type
The template argument is a type.
@ Null
Represents an empty template argument, e.g., one that has not been deduced.
@ Integral
The template argument is an integral value stored in an llvm::APSInt that was provided for an integra...
@ Expression
The template argument is an expression, and we've not resolved it to one of the other forms yet,...
ArgKind getKind() const
Return the kind of stored template argument.
bool isPackExpansion() const
Determine whether this template argument is a pack expansion.
TemplateName getAsTemplateOrTemplatePattern() const
Retrieve the template argument as a template name; if the argument is a pack expansion,...
const APValue & getAsStructuralValue() const
Get the value of a StructuralValue.
The base class of all kinds of template declarations (e.g., class, function, etc.).
bool hasAssociatedConstraints() const
NamedDecl * getTemplatedDecl() const
Get the underlying, templated declaration.
void getAssociatedConstraints(llvm::SmallVectorImpl< const Expr * > &AC) const
Get the total constraint-expression associated with this template, including constraint-expressions d...
TemplateParameterList * getTemplateParameters() const
Get the list of template parameters.
Represents a C++ template name within the type system.
bool isNull() const
Determine whether this template name is NULL.
TemplateDecl * getAsTemplateDecl() const
Retrieve the underlying template declaration that this template name refers to, if known.
DependentTemplateName * getAsDependentTemplateName() const
Retrieve the underlying dependent template name structure, if any.
AssumedTemplateStorage * getAsAssumedTemplateName() const
Retrieve information on a name that has been assumed to be a template-name in order to permit a call ...
UsingShadowDecl * getAsUsingShadowDecl() const
Retrieve the using shadow declaration through which the underlying template declaration is introduced...
Stores a list of template parameters for a TemplateDecl and its derived classes.
NamedDecl * getParam(unsigned Idx)
SourceRange getSourceRange() const LLVM_READONLY
unsigned getDepth() const
Get the depth of this template parameter list in the set of template parameter lists.
bool hasAssociatedConstraints() const
unsigned getMinRequiredArguments() const
Returns the minimum number of arguments needed to form a template specialization.
static TemplateParameterList * Create(const ASTContext &C, SourceLocation TemplateLoc, SourceLocation LAngleLoc, ArrayRef< NamedDecl * > Params, SourceLocation RAngleLoc, Expr *RequiresClause)
NamedDecl *const * const_iterator
Iterates through the template parameters in this list.
Expr * getRequiresClause()
The constraint-expression of the associated requires-clause.
SourceLocation getRAngleLoc() const
SourceLocation getLAngleLoc() const
void getAssociatedConstraints(llvm::SmallVectorImpl< const Expr * > &AC) const
All associated constraints derived from this template parameter list, including the requires clause a...
static bool shouldIncludeTypeForArgument(const PrintingPolicy &Policy, const TemplateParameterList *TPL, unsigned Idx)
SourceLocation getTemplateLoc() const
TemplateSpecCandidateSet - A set of generalized overload candidates, used in template specializations...
void NoteCandidates(Sema &S, SourceLocation Loc)
NoteCandidates - When no template specialization match is found, prints diagnostic messages containin...
SourceLocation getLocation() const
TemplateSpecCandidate & addCandidate()
Add a new candidate with NumConversions conversion sequence slots to the overload set.
unsigned getNumArgs() const
void setArgLocInfo(unsigned i, TemplateArgumentLocInfo AI)
void setTemplateKeywordLoc(SourceLocation Loc)
TemplateArgumentLoc getArgLoc(unsigned i) const
void setTemplateNameLoc(SourceLocation Loc)
void setLAngleLoc(SourceLocation Loc)
void setRAngleLoc(SourceLocation Loc)
Represents a type template specialization; the template must be a class template, a type alias templa...
ArrayRef< TemplateArgument > template_arguments() const
TemplateName getTemplateName() const
Retrieve the name of the template that we are specializing.
static bool anyDependentTemplateArguments(ArrayRef< TemplateArgumentLoc > Args, ArrayRef< TemplateArgument > Converted)
Determine whether any of the given template arguments are dependent.
TemplateTemplateParmDecl - Declares a template template parameter, e.g., "T" in.
TemplateParameterList * getExpansionTemplateParameters(unsigned I) const
Retrieve a particular expansion type within an expanded parameter pack.
bool isPackExpansion() const
Whether this parameter pack is a pack expansion.
const TemplateArgumentLoc & getDefaultArgument() const
Retrieve the default argument, if any.
void setInheritedDefaultArgument(const ASTContext &C, TemplateTemplateParmDecl *Prev)
bool isParameterPack() const
Whether this template template parameter is a template parameter pack.
unsigned getIndex() const
Get the index of the template parameter within its parameter list.
void setDefaultArgument(const ASTContext &C, const TemplateArgumentLoc &DefArg)
Set the default argument for this template parameter, and whether that default argument was inherited...
unsigned getDepth() const
Get the nesting depth of the template parameter.
bool isExpandedParameterPack() const
Whether this parameter is a template template parameter pack that has a known list of different templ...
static TemplateTemplateParmDecl * Create(const ASTContext &C, DeclContext *DC, SourceLocation L, unsigned D, unsigned P, bool ParameterPack, IdentifierInfo *Id, bool Typename, TemplateParameterList *Params)
void removeDefaultArgument()
Removes the default argument of this template parameter.
bool hasDefaultArgument() const
Determine whether this template parameter has a default argument.
Declaration of a template type parameter.
bool wasDeclaredWithTypename() const
Whether this template type parameter was declared with the 'typename' keyword.
SourceLocation getDefaultArgumentLoc() const
Retrieves the location of the default argument declaration.
unsigned getIndex() const
Retrieve the index of the template parameter.
bool hasTypeConstraint() const
Determine whether this template parameter has a type-constraint.
TypeSourceInfo * getDefaultArgumentInfo() const
Retrieves the default argument's source information, if any.
const TypeConstraint * getTypeConstraint() const
Returns the type constraint associated with this template parameter (if any).
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)
bool hasDefaultArgument() const
Determine whether this template parameter has a default argument.
bool isExpandedParameterPack() const
Whether this parameter is a template type parameter pack that has a known list of different type-cons...
void removeDefaultArgument()
Removes the default argument of this template parameter.
void setDefaultArgument(TypeSourceInfo *DefArg)
Set the default argument for this template parameter.
bool isParameterPack() const
Returns whether this is a parameter pack.
unsigned getDepth() const
Retrieve the depth of the template parameter.
void setTypeConstraint(ConceptReference *CR, Expr *ImmediatelyDeclaredConstraint)
unsigned getNumExpansionParameters() const
Retrieves the number of parameters in an expanded parameter pack.
Wrapper for template type parameters.
TemplateTypeParmDecl * getDecl() const
TemplateTypeParmDecl * getDecl() const
unsigned getIndex() const
unsigned getDepth() const
Represents the declaration of a typedef-name via a C++11 alias-declaration.
static TypeAliasDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, TypeSourceInfo *TInfo)
Declaration of an alias template.
Models the abbreviated syntax to constrain a template type parameter: template <convertible_to<string...
Represents a declaration of a type.
const Type * getTypeForDecl() const
SourceLocation getBeginLoc() const LLVM_READONLY
TyLocType push(QualType T)
Pushes space for a new TypeLoc of the given type.
TypeSpecTypeLoc pushTypeSpec(QualType T)
Pushes space for a typespec TypeLoc.
TypeSourceInfo * getTypeSourceInfo(ASTContext &Context, QualType T)
Creates a TypeSourceInfo for the given type.
Base wrapper for a particular "section" of type source info.
QualType getType() const
Get the type for which this source info wrapper provides information.
T getAs() const
Convert to the specified TypeLoc type, returning a null TypeLoc if this TypeLoc is not of the desired...
T castAs() const
Convert to the specified TypeLoc type, asserting that this TypeLoc is of the desired type.
SourceRange getSourceRange() const LLVM_READONLY
Get the full source range.
AutoTypeLoc getContainedAutoTypeLoc() const
Get the typeloc of an AutoType whose type will be deduced for a variable with an initializer of this ...
T getAsAdjusted() const
Convert to the specified TypeLoc type, returning a null TypeLoc if this TypeLoc is not of the desired...
SourceLocation getBeginLoc() const
Get the begin source location.
Represents a typeof (or typeof) expression (a C23 feature and GCC extension) or a typeof_unqual expre...
Represents typeof(type), a C23 feature and GCC extension, or `typeof_unqual(type),...
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.
A reasonable base class for TypeLocs that correspond to types that are written as a type-specifier.
SourceLocation getNameLoc() const
void setNameLoc(SourceLocation Loc)
static ElaboratedTypeKeyword getKeywordForTagTypeKind(TagTypeKind Tag)
Converts a TagTypeKind into an elaborated type keyword.
static TagTypeKind getTagTypeKindForTypeSpec(unsigned TypeSpec)
Converts a type specifier (DeclSpec::TST) into a tag type kind.
The base class of the type hierarchy.
bool isIncompleteOrObjectType() const
Return true if this is an incomplete or object type, in other words, not a function type.
CXXRecordDecl * getAsCXXRecordDecl() const
Retrieves the CXXRecordDecl that this type refers to, either because the type is a RecordType or beca...
bool isBooleanType() const
bool isSignedIntegerOrEnumerationType() const
Determines whether this is an integer type that is signed or an enumeration types whose underlying ty...
bool isUnsignedIntegerOrEnumerationType() const
Determines whether this is an integer type that is unsigned or an enumeration types whose underlying ...
bool isRValueReferenceType() const
bool isVoidPointerType() const
bool isPointerType() const
const T * castAs() const
Member-template castAs<specific type>.
bool isReferenceType() const
bool isEnumeralType() const
bool isScalarType() const
bool isIntegralType(const ASTContext &Ctx) const
Determine whether this type is an integral type.
const Type * getArrayElementTypeNoTypeQual() const
If this is an array type, return the element type of the array, potentially with type qualifiers miss...
QualType getPointeeType() const
If this is a pointer, ObjC object pointer, or block pointer, this returns the respective pointee.
bool isIntegralOrEnumerationType() const
Determine whether this type is an integral or enumeration type.
bool isAnyCharacterType() const
Determine whether this type is any of the built-in character types.
bool isObjCObjectOrInterfaceType() const
AutoType * getContainedAutoType() const
Get the AutoType whose type will be deduced for a variable with an initializer of this type.
bool isInstantiationDependentType() const
Determine whether this type is an instantiation-dependent type, meaning that the type involves a temp...
bool isLValueReferenceType() const
bool isBitIntType() const
bool isStructuralType() const
Determine if this type is a structural type, per C++20 [temp.param]p7.
bool isDependentType() const
Whether this type is a dependent type, meaning that its definition somehow depends on a template para...
bool isChar16Type() const
DeducedType * getContainedDeducedType() const
Get the DeducedType whose type will be deduced for a variable with an initializer of this type.
QualType getCanonicalTypeInternal() const
bool isMemberPointerType() const
bool isChar32Type() const
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 isUndeducedType() const
Determine whether this type is an undeduced type, meaning that it somehow involves a C++11 'auto' typ...
bool hasUnnamedOrLocalType() const
Whether this type is or contains a local or unnamed type.
bool isIncompleteType(NamedDecl **Def=nullptr) const
Types are partitioned into 3 broad categories (C99 6.2.5p1): object types, function types,...
bool isFunctionType() const
bool isVectorType() const
bool isWideCharType() const
const T * getAs() const
Member-template getAs<specific type>'.
bool isNullPtrType() const
bool isRecordType() const
static TypedefDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, const IdentifierInfo *Id, TypeSourceInfo *TInfo)
Base class for declarations which introduce a typedef-name.
TypeSourceInfo * getTypeSourceInfo() const
QualType getUnderlyingType() const
Wrapper for source info for typedefs.
TypedefNameDecl * getTypedefNameDecl() const
Simple class containing the result of Sema::CorrectTypo.
NamedDecl * getCorrectionDecl() const
Gets the pointer to the declaration of the typo correction.
DeclClass * getCorrectionDeclAs() const
NamedDecl * getFoundDecl() const
Get the correction declaration found by name lookup (before we looked through using shadow declaratio...
UnaryOperator - This represents the unary-expression's (except sizeof and alignof),...
Represents a C++ unqualified-id that has been parsed.
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 ...
A reference to a name which we were able to look up during parsing but could not resolve to a specifi...
static UnresolvedLookupExpr * Create(const ASTContext &Context, CXXRecordDecl *NamingClass, NestedNameSpecifierLoc QualifierLoc, const DeclarationNameInfo &NameInfo, bool RequiresADL, UnresolvedSetIterator Begin, UnresolvedSetIterator End, bool KnownDependent)
void addDecl(NamedDecl *D)
The iterator over UnresolvedSets.
A set of unresolved declarations.
Represents the dependent type named by a dependently-scoped typename using declaration,...
Represents a dependent using declaration which was not marked with typename.
Represents a shadow declaration implicitly introduced into a scope by a (resolved) using-declaration ...
NamedDecl * getTargetDecl() const
Gets the underlying declaration which has been brought into the local scope.
Represent the declaration of a variable (in which case it is an lvalue) a function (in which case it ...
void setType(QualType newType)
Represents a variable declaration or definition.
TLSKind getTLSKind() const
bool isStaticDataMember() const
Determines whether this is a static data member.
VarDecl * getInstantiatedFromStaticDataMember() const
If this variable is an instantiated static data member of a class template specialization,...
void setTemplateSpecializationKind(TemplateSpecializationKind TSK, SourceLocation PointOfInstantiation=SourceLocation())
For a static data member that was instantiated from a static data member of a class template,...
StorageClass getStorageClass() const
Returns the storage class as written in the source.
SourceLocation getPointOfInstantiation() const
If this variable is an instantiation of a variable template or a static data member of a class templa...
TemplateSpecializationKind getTemplateSpecializationKind() const
If this variable is an instantiation of a variable template or a static data member of a class templa...
MemberSpecializationInfo * getMemberSpecializationInfo() const
If this variable is an instantiation of a static data member of a class template specialization,...
Declaration of a variable template.
VarDecl * getTemplatedDecl() const
Get the underlying variable declarations of the template.
llvm::FoldingSetVector< VarTemplatePartialSpecializationDecl > & getPartialSpecializations() const
Retrieve the set of partial specializations of this class template.
VarTemplateSpecializationDecl * findSpecialization(ArrayRef< TemplateArgument > Args, void *&InsertPos)
Return the specialization with the provided arguments if it exists, otherwise return the insertion po...
void setMemberSpecialization()
Note that this member template is a specialization.
static VarTemplatePartialSpecializationDecl * Create(ASTContext &Context, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, TemplateParameterList *Params, VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo, StorageClass S, ArrayRef< TemplateArgument > Args, const TemplateArgumentListInfo &ArgInfos)
VarTemplatePartialSpecializationDecl * getInstantiatedFromMember() const
Retrieve the member variable template partial specialization from which this particular variable temp...
Represents a variable template specialization, which refers to a variable template with a given set o...
SourceLocation getPointOfInstantiation() const
Get the point of instantiation (if any), or null if none.
static VarTemplateSpecializationDecl * Create(ASTContext &Context, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo, StorageClass S, ArrayRef< TemplateArgument > Args)
TemplateSpecializationKind getSpecializationKind() const
Determine the kind of specialization that this declaration represents.
Represents a C array with a specified size that is not an integer-constant-expression.
Represents a GCC generic vector type.
Retains information about a function, method, or block that is currently being parsed.
Provides information about an attempted template argument deduction, whose success or failure was des...
TemplateArgumentList * takeCanonical()
bool hasSFINAEDiagnostic() const
Is a SFINAE diagnostic available?
void takeSFINAEDiagnostic(PartialDiagnosticAt &PD)
Take ownership of the SFINAE diagnostic.
Defines the clang::TargetInfo interface.
The JSON file list parser is used to communicate input to InstallAPI.
TypeSpecifierType
Specifies the kind of type.
bool isa(CodeGen::Address addr)
@ Rewrite
We are substituting template parameters for (typically) other template parameters in order to rewrite...
@ Specialization
We are substituting template parameters for template arguments in order to form a template specializa...
bool isUnresolvedExceptionSpec(ExceptionSpecificationType ESpecType)
@ IK_TemplateId
A template-id, e.g., f<int>.
@ IK_LiteralOperatorId
A user-defined literal name, e.g., operator "" _i.
@ IK_Identifier
An identifier.
@ IK_OperatorFunctionId
An overloaded operator name, e.g., operator+.
StorageClass
Storage classes.
@ CRK_None
Candidate is not a rewritten candidate.
@ Internal
Internal linkage, which indicates that the entity can be referred to from within the translation unit...
TemplateDecl * getAsTypeTemplateDecl(Decl *D)
@ Result
The result type of a method or function.
InheritableAttr * getDLLAttr(Decl *D)
Return a DLL attribute from the declaration.
ActionResult< Expr * > ExprResult
TagTypeKind
The kind of a tag type.
@ Enum
The "enum" keyword.
MutableArrayRef< TemplateParameterList * > MultiTemplateParamsArg
DeductionFailureInfo MakeDeductionFailureInfo(ASTContext &Context, TemplateDeductionResult TDK, sema::TemplateDeductionInfo &Info)
Convert from Sema's representation of template deduction information to the form used in overload-can...
@ BTK__type_pack_element
This names the __type_pack_element BuiltinTemplateDecl.
@ BTK__make_integer_seq
This names the __make_integer_seq BuiltinTemplateDecl.
llvm::PointerUnion< TemplateTypeParmDecl *, NonTypeTemplateParmDecl *, TemplateTemplateParmDecl * > TemplateParameter
Stores a template parameter of any kind.
CastKind
CastKind - The kind of operation required for a conversion.
std::optional< unsigned > getExpandedPackSize(const NamedDecl *Param)
Check whether the template parameter is a pack expansion, and if so, determine the number of paramete...
SourceRange getTemplateParamsRange(TemplateParameterList const *const *Params, unsigned NumParams)
Retrieves the range of the given template parameter lists.
bool isSubstitutedDefaultArgument(ASTContext &Ctx, TemplateArgument Arg, const NamedDecl *Param, ArrayRef< TemplateArgument > Args, unsigned Depth)
Make a best-effort determination of whether the type T can be produced by substituting Args into the ...
TemplateNameKind
Specifies the kind of template name that an identifier refers to.
@ TNK_Var_template
The name refers to a variable template whose specialization produces a variable.
@ TNK_Type_template
The name refers to a template whose specialization produces a type.
@ TNK_Dependent_template_name
The name refers to a dependent template name:
@ TNK_Function_template
The name refers to a function template or a set of overloaded functions that includes at least one fu...
@ TNK_Concept_template
The name refers to a concept.
@ TNK_Non_template
The name does not refer to a template.
@ TNK_Undeclared_template
Lookup for the name failed, but we're assuming it was a template name anyway.
ActionResult< ParsedType > TypeResult
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_XValue
An x-value expression is a reference to an object with independent storage but which can be "moved",...
@ VK_LValue
An l-value expression is a reference to an object with independent storage.
const FunctionProtoType * T
void printTemplateArgumentList(raw_ostream &OS, ArrayRef< TemplateArgument > Args, const PrintingPolicy &Policy, const TemplateParameterList *TPL=nullptr)
Print a template argument list, including the '<' and '>' enclosing the template arguments.
bool declaresSameEntity(const Decl *D1, const Decl *D2)
Determine whether two declarations declare the same entity.
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.
@ ConstraintsNotSatisfied
The deduced arguments did not satisfy the constraints associated with the template.
@ CUDATargetMismatch
CUDA Target attributes do not match.
@ Success
Template argument deduction was successful.
@ AlreadyDiagnosed
Some error which was already diagnosed.
ActionResult< Decl * > DeclResult
TemplateSpecializationKind
Describes the kind of template specialization that a particular template specialization declaration r...
@ TSK_ExplicitInstantiationDefinition
This template specialization was instantiated from a template due to an explicit instantiation defini...
@ TSK_ExplicitInstantiationDeclaration
This template specialization was instantiated from a template due to an explicit instantiation declar...
@ TSK_ExplicitSpecialization
This template specialization was declared or defined by an explicit specialization (C++ [temp....
@ TSK_ImplicitInstantiation
This template specialization was implicitly instantiated from a template.
@ TSK_Undeclared
This template specialization was formed from a template-id but has not yet been declared,...
ElaboratedTypeKeyword
The elaboration keyword that precedes a qualified type name or introduces an elaborated-type-specifie...
@ None
No keyword precedes the qualified type name.
@ Enum
The "enum" keyword introduces the elaborated-type-specifier.
@ Typename
The "typename" keyword precedes the qualified type name, e.g., typename T::type.
@ Parens
New-expression has a C++98 paren-delimited initializer.
AccessSpecifier
A C++ access specifier (public, private, protected), plus the special value "none" which means differ...
Represents an explicit template argument list in C++, e.g., the "<int>" in "sort<int>".
static const ASTTemplateArgumentListInfo * Create(const ASTContext &C, const TemplateArgumentListInfo &List)
DeclarationNameInfo - A collector data type for bundling together a DeclarationName and the correspon...
SourceLocation getLoc() const
getLoc - Returns the main location of the declaration name.
DeclarationName getName() const
getName - Returns the embedded declaration name.
SourceLocation getBeginLoc() const
getBeginLoc - Retrieve the location of the first token.
EvalResult is a struct with detailed info about an evaluated expression.
APValue Val
Val - This is the value the expression can be folded to.
SmallVectorImpl< PartialDiagnosticAt > * Diag
Diag - If this is non-null, it will be filled in with a stack of notes indicating why evaluation fail...
bool HasSideEffects
Whether the evaluated expression has side effects.
Extra information about a function prototype.
unsigned HasTrailingReturn
Describes how types, statements, expressions, and declarations should be printed.
unsigned PrintCanonicalTypes
Whether to print types as written or canonically.
unsigned TerseOutput
Provide a 'terse' output.
A context in which code is being synthesized (where a source location alone is not sufficient to iden...
@ BuildingDeductionGuides
We are building deduction guides for a class.
A stack object to be created when performing template instantiation.
bool isInvalid() const
Determines whether we have exceeded the maximum recursive template instantiations.
Location information for a TemplateArgument.
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.
ParsedTemplateTy Template
The declaration of the template corresponding to the template-name.
void set(DeclAccessPair Found, Decl *Spec, DeductionFailureInfo Info)
Contains all information for a given match.