40#include "llvm/ADT/BitVector.h"
41#include "llvm/ADT/SmallBitVector.h"
42#include "llvm/ADT/SmallString.h"
43#include "llvm/ADT/StringExtras.h"
55 return SourceRange(Ps[0]->getTemplateLoc(), Ps[N-1]->getRAngleLoc());
63 for (
Scope *TempParamScope = S->getTemplateParamParent(); TempParamScope;
64 TempParamScope = TempParamScope->getParent()->getTemplateParamParent()) {
69 auto ParamsAtDepth = [&](
unsigned D) { Depth = std::max(Depth,
D + 1); };
74 if (
auto *LSI = dyn_cast<LambdaScopeInfo>(FSI)) {
75 if (!LSI->TemplateParams.empty()) {
76 ParamsAtDepth(LSI->AutoTemplateParameterDepth);
79 if (LSI->GLTemplateParameterList) {
80 ParamsAtDepth(LSI->GLTemplateParameterList->getDepth());
90 if (!Info.TemplateParams.empty()) {
91 ParamsAtDepth(Info.AutoTemplateParameterDepth);
106 bool AllowFunctionTemplates,
107 bool AllowDependent) {
108 D =
D->getUnderlyingDecl();
110 if (isa<TemplateDecl>(
D)) {
111 if (!AllowFunctionTemplates && isa<FunctionTemplateDecl>(
D))
117 if (
const auto *
Record = dyn_cast<CXXRecordDecl>(
D)) {
129 if (
Record->isInjectedClassName()) {
131 if (
Record->getDescribedClassTemplate())
132 return Record->getDescribedClassTemplate();
134 if (
const auto *Spec = dyn_cast<ClassTemplateSpecializationDecl>(
Record))
135 return Spec->getSpecializedTemplate();
144 if (AllowDependent && isa<UnresolvedUsingValueDecl>(
D))
151 bool AllowFunctionTemplates,
152 bool AllowDependent) {
163 bool AllowFunctionTemplates,
165 bool AllowNonTemplateFunctions) {
169 if (AllowNonTemplateFunctions &&
170 isa<FunctionDecl>((*I)->getUnderlyingDecl()))
179 bool hasTemplateKeyword,
182 bool EnteringContext,
184 bool &MemberOfUnknownSpecialization,
185 bool Disambiguation) {
189 MemberOfUnknownSpecialization =
false;
191 switch (Name.getKind()) {
198 Name.OperatorFunctionId.Operator);
238 bool AnyFunctionTemplates =
false;
241 if (isa<FunctionTemplateDecl>(FoundTemplate))
242 AnyFunctionTemplates =
true;
245 FoundUsingShadow = dyn_cast<UsingShadowDecl>(FoundD);
253 if (!
D && !AnyFunctionTemplates) {
254 R.suppressDiagnostics();
271 unsigned ResultCount = R.
end() - R.
begin();
272 if (!
D && ResultCount > 1) {
283 assert(
D &&
"unambiguous result is not a template name");
286 if (isa<UnresolvedUsingValueDecl>(
D)) {
288 MemberOfUnknownSpecialization =
true;
295 assert(!FoundUsingShadow || FoundUsingShadow->
getTargetDecl() == TD);
302 if (isa<FunctionTemplateDecl>(TD)) {
308 assert(isa<ClassTemplateDecl>(TD) || isa<TemplateTemplateParmDecl>(TD) ||
309 isa<TypeAliasTemplateDecl>(TD) || isa<VarTemplateDecl>(TD) ||
310 isa<BuiltinTemplateDecl>(TD) || isa<ConceptDecl>(TD));
333 if (R.
empty())
return false;
370 Diag(IILoc, diag::err_template_kw_missing)
380 QualType ObjectType,
bool EnteringContext,
383 bool AllowTypoCorrection) {
390 Found.setTemplateNameLookup(
true);
394 bool IsDependent =
false;
395 if (!ObjectType.
isNull()) {
398 assert(SS.
isEmpty() &&
"ObjectType and scope specifier cannot coexist");
404 "Caller should have completed object type");
436 bool ObjectTypeSearchedInScope =
false;
437 bool AllowFunctionTemplatesInLookup =
true;
453 IsDependent |=
Found.wasNotFoundInCurrentInstantiation();
469 if (!ObjectType.
isNull()) {
473 AllowFunctionTemplatesInLookup =
false;
474 ObjectTypeSearchedInScope =
true;
477 IsDependent |=
Found.wasNotFoundInCurrentInstantiation();
480 if (
Found.isAmbiguous())
497 if (AllFunctions || (
Found.empty() && !IsDependent)) {
501 *ATK = (
Found.empty() &&
Found.getLookupName().isIdentifier())
509 if (
Found.empty() && !IsDependent && AllowTypoCorrection) {
517 FilterCCC.WantExpressionKeywords =
false;
518 FilterCCC.WantRemainingKeywords =
false;
519 FilterCCC.WantCXXNamedCasts =
true;
523 if (
auto *ND = Corrected.getFoundDecl())
526 if (
Found.isAmbiguous()) {
528 }
else if (!
Found.empty()) {
529 Found.setLookupName(Corrected.getCorrection());
531 std::string CorrectedStr(Corrected.getAsString(
getLangOpts()));
532 bool DroppedSpecifier = Corrected.WillReplaceSpecifier() &&
533 Name.getAsString() == CorrectedStr;
535 << Name << LookupCtx << DroppedSpecifier
545 Found.empty() ? nullptr :
Found.getRepresentativeDecl();
549 Found.setNotFoundInCurrentInstantiation();
555 if (ExampleLookupResult && RequiredTemplate) {
556 Diag(
Found.getNameLoc(), diag::err_template_kw_refers_to_non_template)
561 diag::note_template_kw_refers_to_non_template)
562 <<
Found.getLookupName();
569 if (S && !ObjectType.
isNull() && !ObjectTypeSearchedInScope &&
586 if (FoundOuter.
empty()) {
596 }
else if (!
Found.isSuppressingAmbiguousDiagnostics()) {
600 if (!
Found.isSingleResult() ||
604 diag::ext_nested_name_member_ref_lookup_ambiguous)
605 <<
Found.getLookupName()
607 Diag(
Found.getRepresentativeDecl()->getLocation(),
608 diag::note_ambig_member_ref_object_type)
611 diag::note_ambig_member_ref_scope);
634 bool MissingTemplateKeyword =
false;
637 if (
auto *DRE = dyn_cast<DeclRefExpr>(
TemplateName.get())) {
638 NameInfo = DRE->getNameInfo();
639 SS.
Adopt(DRE->getQualifierLoc());
641 Found = DRE->getFoundDecl();
642 }
else if (
auto *ME = dyn_cast<MemberExpr>(
TemplateName.get())) {
643 NameInfo = ME->getMemberNameInfo();
644 SS.
Adopt(ME->getQualifierLoc());
646 LookupCtx = ME->getBase()->getType()->getAsCXXRecordDecl();
647 Found = ME->getMemberDecl();
648 }
else if (
auto *DSDRE =
649 dyn_cast<DependentScopeDeclRefExpr>(
TemplateName.get())) {
650 NameInfo = DSDRE->getNameInfo();
651 SS.
Adopt(DSDRE->getQualifierLoc());
652 MissingTemplateKeyword =
true;
653 }
else if (
auto *DSME =
654 dyn_cast<CXXDependentScopeMemberExpr>(
TemplateName.get())) {
655 NameInfo = DSME->getMemberNameInfo();
656 SS.
Adopt(DSME->getQualifierLoc());
657 MissingTemplateKeyword =
true;
659 llvm_unreachable(
"unexpected kind of potential template name");
664 if (MissingTemplateKeyword) {
673 TemplateCandidateFilter(
Sema &S) : S(S) {
674 WantTypeSpecifiers =
false;
675 WantExpressionKeywords =
false;
676 WantRemainingKeywords =
false;
677 WantCXXNamedCasts =
true;
679 bool ValidateCandidate(
const TypoCorrection &Candidate)
override {
685 std::unique_ptr<CorrectionCandidateCallback> clone()
override {
686 return std::make_unique<TemplateCandidateFilter>(*
this);
691 TemplateCandidateFilter CCC(*
this);
694 auto *ND = Corrected.getFoundDecl();
697 if (ND || Corrected.isKeyword()) {
699 std::string CorrectedStr(Corrected.getAsString(
getLangOpts()));
700 bool DroppedSpecifier = Corrected.WillReplaceSpecifier() &&
701 Name.getAsString() == CorrectedStr;
703 PDiag(diag::err_non_template_in_member_template_id_suggest)
704 << Name << LookupCtx << DroppedSpecifier
708 PDiag(diag::err_non_template_in_template_id_suggest)
713 diag::note_non_template_in_template_id_found);
718 Diag(NameInfo.
getLoc(), diag::err_non_template_in_template_id)
721 Diag(
Found->getLocation(), diag::note_non_template_in_template_id_found);
728 bool isAddressOfOperand,
744 nullptr, NameInfo, TemplateArgs);
767 bool InstantiatedFromMember,
772 assert(isa<TagDecl>(Instantiation) || isa<FunctionDecl>(Instantiation) ||
773 isa<VarDecl>(Instantiation));
775 bool IsEntityBeingDefined =
false;
776 if (
const TagDecl *TD = dyn_cast_or_null<TagDecl>(PatternDef))
777 IsEntityBeingDefined = TD->isBeingDefined();
779 if (PatternDef && !IsEntityBeingDefined) {
794 if (!Complain || (PatternDef && PatternDef->
isInvalidDecl()))
798 if (
TagDecl *TD = dyn_cast<TagDecl>(Instantiation))
801 Diag(PointOfInstantiation,
802 diag::err_template_instantiate_within_definition)
808 }
else if (InstantiatedFromMember) {
809 if (isa<FunctionDecl>(Instantiation)) {
810 Diag(PointOfInstantiation,
811 diag::err_explicit_instantiation_undefined_member)
816 assert(isa<TagDecl>(Instantiation) &&
"Must be a TagDecl!");
817 Diag(PointOfInstantiation,
818 diag::err_implicit_instantiate_member_undefined)
823 if (isa<FunctionDecl>(Instantiation)) {
824 Diag(PointOfInstantiation,
825 diag::err_explicit_instantiation_undefined_func_template)
828 }
else if (isa<TagDecl>(Instantiation)) {
829 Diag(PointOfInstantiation, diag::err_template_instantiate_undefined)
834 assert(isa<VarDecl>(Instantiation) &&
"Must be a VarDecl!");
835 if (isa<VarTemplateSpecializationDecl>(Instantiation)) {
836 Diag(PointOfInstantiation,
837 diag::err_explicit_instantiation_undefined_var_template)
841 Diag(PointOfInstantiation,
842 diag::err_explicit_instantiation_undefined_member)
859 bool SupportedForCompatibility) {
872 ? diag::ext_template_param_shadow
873 : (SupportedForCompatibility ? diag::ext_compat_template_param_shadow
874 : diag::err_template_param_shadow);
875 const auto *ND = cast<NamedDecl>(PrevDecl);
876 Diag(
Loc, DiagId) << ND->getDeclName();
881 if (
TemplateDecl *Temp = dyn_cast_or_null<TemplateDecl>(
D)) {
882 D = Temp->getTemplatedDecl();
891 "Only template template arguments can be pack expansions here");
892 assert(
getAsTemplate().get().containsUnexpandedParameterPack() &&
893 "Template template argument pack expansion without packs");
895 Result.EllipsisLoc = EllipsisLoc;
930 llvm_unreachable(
"Unhandled parsed template argument");
935 for (
unsigned I = 0,
Last = TemplateArgsIn.size(); I !=
Last; ++I)
945 RedeclarationKind::ForVisibleRedeclaration);
955 assert(TInfo &&
"template argument with no location");
963 EllipsisLoc = PET.getEllipsisLoc();
964 TL = PET.getPatternLoc();
969 SS.
Adopt(ET.getQualifierLoc());
970 TL = ET.getNamedTypeLoc();
974 TemplateName Name = DTST.getTypePtr()->getTemplateName();
976 DTST.getTemplateNameLoc());
997 unsigned Depth,
unsigned Position,
1000 bool HasTypeConstraint) {
1001 assert(S->isTemplateParamScope() &&
1002 "Template type parameter not in template parameter scope!");
1004 bool IsParameterPack = EllipsisLoc.
isValid();
1007 KeyLoc, ParamNameLoc, Depth, Position,
1008 ParamName,
Typename, IsParameterPack,
1014 LSI->LocalPacks.push_back(Param);
1027 if (DefaultArg && IsParameterPack) {
1028 Diag(EqualLoc, diag::err_template_param_pack_default_arg);
1029 DefaultArg =
nullptr;
1037 assert(DefaultTInfo &&
"expected source information for type");
1065 return TemplateArgs;
1078 diag::err_type_constraint_non_type_concept);
1087 if (!WereArgsSpecified &&
1090 diag::err_type_constraint_missing_arguments)
1109 bool AllowUnexpandedPack) {
1126 if (EllipsisLoc.
isInvalid() && !AllowUnexpandedPack) {
1135 ConceptName, CD, USD ? cast<NamedDecl>(USD) : CD,
1137 ConstrainedParameter, EllipsisLoc);
1140template <
typename ArgumentLocAppender>
1155 Appender(ConstraintArgs);
1164 FoundDecl ? FoundDecl : NamedConcept, NamedConcept,
1167 return ImmediatelyDeclaredConstraint;
1183 ImmediatelyDeclaredConstraint.
get(), BO_LAnd,
1184 EllipsisLoc,
nullptr,
1200 *TemplateArgs) :
nullptr;
1205 *
this,
NS, NameInfo, NamedConcept, FoundDecl,
1208 ParamAsArgument, ConstrainedParameter->
getLocation(),
1211 for (const auto &ArgLoc : TemplateArgs->arguments())
1212 ConstraintArgs.addArgument(ArgLoc);
1215 if (ImmediatelyDeclaredConstraint.
isInvalid())
1225 ImmediatelyDeclaredConstraint.
get());
1236 diag::err_unsupported_placeholder_constraint)
1255 for (unsigned I = 0, C = TL.getNumArgs(); I != C; ++I)
1256 ConstraintArgs.addArgument(TL.getArgLoc(I));
1259 if (ImmediatelyDeclaredConstraint.
isInvalid() ||
1260 !ImmediatelyDeclaredConstraint.
isUsable())
1264 ImmediatelyDeclaredConstraint.
get());
1294 Diag(
Loc, diag::err_template_nontype_parm_rvalue_ref) <<
T;
1304 Diag(
Loc, diag::err_template_nontype_parm_bad_type) <<
T;
1312 Diag(
Loc, diag::err_template_nontype_parm_not_structural) <<
T;
1319 for (
const FieldDecl *FD : RD->fields()) {
1321 Diag(FD->getLocation(), diag::note_not_structural_non_public) <<
T << 0;
1324 if (FD->isMutable()) {
1325 Diag(FD->getLocation(), diag::note_not_structural_mutable_field) <<
T;
1328 if (FD->getType()->isRValueReferenceType()) {
1329 Diag(FD->getLocation(), diag::note_not_structural_rvalue_ref_field)
1336 for (
const auto &BaseSpec : RD->bases()) {
1337 if (BaseSpec.getAccessSpecifier() !=
AS_public) {
1338 Diag(BaseSpec.getBaseTypeLoc(), diag::note_not_structural_non_public)
1349 for (
const FieldDecl *FD : RD->fields()) {
1352 SubLoc = FD->getLocation();
1360 for (
const auto &BaseSpec : RD->bases()) {
1363 SubLoc = BaseSpec.getBaseTypeLoc();
1371 assert(Kind != -1 &&
"couldn't find reason why type is not structural");
1372 Diag(SubLoc, diag::note_not_structural_subobject)
1373 <<
T << Kind << SubType;
1386 Diag(
Loc, diag::err_variably_modified_nontype_template_param)
1410 return T.getUnqualifiedType();
1428 return T.getUnqualifiedType();
1439 Diag(
Loc, diag::err_template_nontype_parm_bad_structural_type) <<
T;
1443 Diag(
Loc, diag::warn_cxx17_compat_template_nontype_parm_type) <<
T;
1444 return T.getUnqualifiedType();
1455 auto CheckValidDeclSpecifiers = [
this, &
D] {
1469 Diag(
Loc, diag::err_invalid_decl_specifier_in_nontype_parm)
1506 CheckValidDeclSpecifiers();
1509 if (isa<AutoType>(
T))
1510 Diag(
D.getIdentifierLoc(),
1511 diag::warn_cxx14_compat_template_nontype_parm_auto_type)
1514 assert(S->isTemplateParamScope() &&
1515 "Non-type template parameter not in template parameter scope!");
1527 bool IsParameterPack =
D.hasEllipsis();
1530 D.getIdentifierLoc(), Depth, Position, ParamName,
T, IsParameterPack,
1535 if (TL.isConstrained())
1544 LSI->LocalPacks.push_back(Param);
1558 if (
Default && IsParameterPack) {
1559 Diag(EqualLoc, diag::err_template_param_pack_default_arg);
1582 assert(S->isTemplateParamScope() &&
1583 "Template template parameter not in template parameter scope!");
1586 bool IsParameterPack = EllipsisLoc.
isValid();
1589 NameLoc.
isInvalid() ? TmpLoc : NameLoc, Depth, Position, IsParameterPack,
1595 LSI->LocalPacks.push_back(Param);
1606 if (Params->
size() == 0) {
1615 if (IsParameterPack && !
Default.isInvalid()) {
1616 Diag(EqualLoc, diag::err_template_param_pack_default_arg);
1631 Diag(DefaultArg.
getLocation(), diag::err_template_arg_not_valid_template)
1649class ConstraintRefersToContainingTemplateChecker
1650 :
public TreeTransform<ConstraintRefersToContainingTemplateChecker> {
1651 bool Result =
false;
1653 unsigned TemplateDepth = 0;
1657 void CheckIfContainingRecord(
const CXXRecordDecl *CheckingRD) {
1663 DC && !DC->isFileContext(); DC = DC->getParent())
1664 if (
const auto *RD = dyn_cast<CXXRecordDecl>(DC))
1665 if (CheckingRD == RD->getMostRecentDecl())
1670 assert(
D->getDepth() <= TemplateDepth &&
1671 "Nothing should reference a value below the actual template depth, "
1672 "depth is likely wrong");
1673 if (
D->getDepth() != TemplateDepth)
1678 TransformType(
D->getType());
1684 ConstraintRefersToContainingTemplateChecker(
Sema &SemaRef,
1686 unsigned TemplateDepth)
1687 : inherited(SemaRef),
Friend(
Friend), TemplateDepth(TemplateDepth) {}
1688 bool getResult()
const {
return Result; }
1694 using inherited::TransformTemplateTypeParmType;
1698 "Nothing should reference a value below the actual template depth, "
1699 "depth is likely wrong");
1702 return inherited::TransformTemplateTypeParmType(
1714 if (
auto *TD = dyn_cast<TypedefNameDecl>(
D))
1715 TransformType(TD->getUnderlyingType());
1716 else if (
auto *NTTPD = dyn_cast<NonTypeTemplateParmDecl>(
D))
1717 CheckNonTypeTemplateParmDecl(NTTPD);
1718 else if (
auto *VD = dyn_cast<ValueDecl>(
D))
1719 TransformType(VD->getType());
1720 else if (
auto *TD = dyn_cast<TemplateDecl>(
D))
1721 TransformTemplateParameterList(TD->getTemplateParameters());
1722 else if (
auto *RD = dyn_cast<CXXRecordDecl>(
D))
1723 CheckIfContainingRecord(RD);
1724 else if (isa<NamedDecl>(
D)) {
1727 llvm_unreachable(
"Don't know how to handle this declaration type yet");
1735 const Expr *Constraint) {
1736 assert(
Friend->getFriendObjectKind() &&
"Only works on a friend");
1737 ConstraintRefersToContainingTemplateChecker Checker(*
this,
Friend,
1739 Checker.TransformExpr(
const_cast<Expr *
>(Constraint));
1740 return Checker.getResult();
1750 Expr *RequiresClause) {
1752 Diag(ExportLoc, diag::warn_template_export_unsupported);
1758 Context, TemplateLoc, LAngleLoc,
1759 llvm::ArrayRef(Params.data(), Params.size()), RAngleLoc, RequiresClause);
1794 return cast<TemplateDecl>(
D)->getTemplateParameters();
1804 assert(TemplateParams && TemplateParams->
size() > 0 &&
1805 "No template parameters");
1807 "Can only declare or define class templates");
1816 "can't build template of enumerated type");
1820 Diag(KWLoc, diag::err_template_unnamed_class);
1835 if (!SemanticContext) {
1840 ? diag::warn_template_qualified_friend_ignored
1841 : diag::err_template_qualified_declarator_no_match)
1884 PrevDecl = (*
Previous.begin())->getUnderlyingDecl();
1896 dyn_cast_or_null<ClassTemplateDecl>(PrevDecl);
1901 if (!PrevClassTemplate && isa_and_nonnull<CXXRecordDecl>(PrevDecl) &&
1902 cast<CXXRecordDecl>(PrevDecl)->isInjectedClassName()) {
1905 = cast<CXXRecordDecl>(PrevDecl)->getDescribedClassTemplate();
1906 if (!PrevClassTemplate && isa<ClassTemplateSpecializationDecl>(PrevDecl)) {
1908 = cast<ClassTemplateSpecializationDecl>(PrevDecl)
1909 ->getSpecializedTemplate();
1932 PrevDecl = PrevClassTemplate =
nullptr;
1933 SemanticContext = OutermostContext;
1947 PrevDecl = (*
Previous.begin())->getUnderlyingDecl();
1951 SemanticContext, S, SS.
isValid()))
1952 PrevDecl = PrevClassTemplate =
nullptr;
1954 if (
auto *Shadow = dyn_cast_or_null<UsingShadowDecl>(
1955 PrevDecl ?
Previous.getRepresentativeDecl() :
nullptr)) {
1957 !(PrevClassTemplate &&
1960 Diag(KWLoc, diag::err_using_decl_conflict_reverse);
1961 Diag(Shadow->getTargetDecl()->getLocation(),
1962 diag::note_using_decl_target);
1963 Diag(Shadow->getIntroducer()->getLocation(), diag::note_using_decl) << 0;
1965 PrevDecl = PrevClassTemplate =
nullptr;
1969 if (PrevClassTemplate) {
1978 TemplateParams, PrevClassTemplate,
1991 Diag(KWLoc, diag::err_use_with_wrong_tag)
2007 auto *Tmpl = cast<CXXRecordDecl>(Hidden)->getDescribedClassTemplate();
2008 assert(Tmpl &&
"original definition of a class template is not a "
2013 Diag(NameLoc, diag::err_redefinition) << Name;
2014 Diag(Def->getLocation(), diag::note_previous_definition);
2021 }
else if (PrevDecl) {
2027 Diag(NameLoc, diag::err_redefinition_different_kind) << Name;
2041 (SS.
isSet() && SemanticContext && SemanticContext->
isRecord() &&
2054 ? diag::err_friend_decl_does_not_match
2055 : diag::err_member_decl_does_not_match)
2056 << Name << SemanticContext <<
true << SS.
getRange();
2066 bool ShouldAddRedecl =
2071 PrevClassTemplate && ShouldAddRedecl ?
2075 if (NumOuterTemplateParamLists > 0)
2078 llvm::ArrayRef(OuterTemplateParamLists, NumOuterTemplateParamLists));
2092 if (ShouldAddRedecl)
2097 if (ModulePrivateLoc.
isValid())
2108 if (PrevClassTemplate &&
2127 if (PrevClassTemplate)
2163 if (PrevClassTemplate)
2204 diag::warn_cxx98_compat_template_parameter_default_in_function_template
2205 : diag::ext_template_parameter_default_in_function_template)
2214 S.
Diag(ParamLoc, diag::err_template_parameter_default_template_member)
2223 S.
Diag(ParamLoc, diag::err_template_parameter_default_friend_template)
2232 llvm_unreachable(
"Invalid TemplateParamListContext!");
2245 for (
unsigned I = 0, N = Params->
size(); I != N; ++I) {
2250 if (TC->hasExplicitTemplateArgs())
2251 for (
auto &ArgLoc : TC->getTemplateArgsAsWritten()->arguments())
2259 if (!NTTP->isParameterPack() &&
2261 NTTP->getTypeSourceInfo(),
2269 = dyn_cast<TemplateTemplateParmDecl>(
P))
2289 bool SawDefaultArgument =
false;
2295 OldParam = OldParams->
begin();
2297 bool RemoveDefaultArguments =
false;
2299 NewParamEnd = NewParams->
end();
2300 NewParam != NewParamEnd; ++NewParam) {
2303 bool RedundantDefaultArg =
false;
2306 bool InconsistentDefaultArg =
false;
2308 std::string PrevModuleName;
2314 bool MissingDefaultArg =
false;
2317 bool SawParameterPack =
false;
2320 = dyn_cast<TemplateTypeParmDecl>(*NewParam)) {
2322 if (NewTypeParm->hasDefaultArgument() &&
2324 *
this, TPC, NewTypeParm->getLocation(),
2325 NewTypeParm->getDefaultArgument().getSourceRange()))
2326 NewTypeParm->removeDefaultArgument();
2330 = OldParams? cast<TemplateTypeParmDecl>(*OldParam) :
nullptr;
2331 if (NewTypeParm->isParameterPack()) {
2332 assert(!NewTypeParm->hasDefaultArgument() &&
2333 "Parameter packs can't have a default argument!");
2334 SawParameterPack =
true;
2336 NewTypeParm->hasDefaultArgument() &&
2339 NewDefaultLoc = NewTypeParm->getDefaultArgumentLoc();
2340 SawDefaultArgument =
true;
2343 RedundantDefaultArg =
true;
2344 else if (!
getASTContext().isSameDefaultTemplateArgument(OldTypeParm,
2346 InconsistentDefaultArg =
true;
2350 PreviousDefaultArgLoc = NewDefaultLoc;
2354 NewTypeParm->setInheritedDefaultArgument(
Context, OldTypeParm);
2356 }
else if (NewTypeParm->hasDefaultArgument()) {
2357 SawDefaultArgument =
true;
2358 PreviousDefaultArgLoc = NewTypeParm->getDefaultArgumentLoc();
2359 }
else if (SawDefaultArgument)
2360 MissingDefaultArg =
true;
2362 = dyn_cast<NonTypeTemplateParmDecl>(*NewParam)) {
2364 if (!NewNonTypeParm->isParameterPack() &&
2366 NewNonTypeParm->getTypeSourceInfo(),
2373 if (NewNonTypeParm->hasDefaultArgument() &&
2375 *
this, TPC, NewNonTypeParm->getLocation(),
2376 NewNonTypeParm->getDefaultArgument().getSourceRange())) {
2377 NewNonTypeParm->removeDefaultArgument();
2382 = OldParams? cast<NonTypeTemplateParmDecl>(*OldParam) :
nullptr;
2383 if (NewNonTypeParm->isParameterPack()) {
2384 assert(!NewNonTypeParm->hasDefaultArgument() &&
2385 "Parameter packs can't have a default argument!");
2386 if (!NewNonTypeParm->isPackExpansion())
2387 SawParameterPack =
true;
2389 NewNonTypeParm->hasDefaultArgument() &&
2392 NewDefaultLoc = NewNonTypeParm->getDefaultArgumentLoc();
2393 SawDefaultArgument =
true;
2395 RedundantDefaultArg =
true;
2397 OldNonTypeParm, NewNonTypeParm)) {
2398 InconsistentDefaultArg =
true;
2402 PreviousDefaultArgLoc = NewDefaultLoc;
2406 NewNonTypeParm->setInheritedDefaultArgument(
Context, OldNonTypeParm);
2408 }
else if (NewNonTypeParm->hasDefaultArgument()) {
2409 SawDefaultArgument =
true;
2410 PreviousDefaultArgLoc = NewNonTypeParm->getDefaultArgumentLoc();
2411 }
else if (SawDefaultArgument)
2412 MissingDefaultArg =
true;
2415 = cast<TemplateTemplateParmDecl>(*NewParam);
2432 = OldParams? cast<TemplateTemplateParmDecl>(*OldParam) :
nullptr;
2435 "Parameter packs can't have a default argument!");
2437 SawParameterPack =
true;
2438 }
else if (OldTemplateParm &&
2444 SawDefaultArgument =
true;
2446 RedundantDefaultArg =
true;
2448 OldTemplateParm, NewTemplateParm)) {
2449 InconsistentDefaultArg =
true;
2453 PreviousDefaultArgLoc = NewDefaultLoc;
2458 PreviousDefaultArgLoc
2461 SawDefaultArgument =
true;
2462 PreviousDefaultArgLoc
2464 }
else if (SawDefaultArgument)
2465 MissingDefaultArg =
true;
2471 if (SawParameterPack && (NewParam + 1) != NewParamEnd &&
2474 Diag((*NewParam)->getLocation(),
2475 diag::err_template_param_pack_must_be_last_template_parameter);
2492 if (RedundantDefaultArg) {
2493 Diag(NewDefaultLoc, diag::err_template_param_default_arg_redefinition);
2494 Diag(OldDefaultLoc, diag::note_template_param_prev_default_arg);
2496 }
else if (InconsistentDefaultArg) {
2500 diag::err_template_param_default_arg_inconsistent_redefinition);
2502 diag::note_template_param_prev_default_arg_in_other_module)
2505 }
else if (MissingDefaultArg &&
2513 Diag((*NewParam)->getLocation(),
2514 diag::err_template_param_default_arg_missing);
2515 Diag(PreviousDefaultArgLoc, diag::note_template_param_prev_default_arg);
2517 RemoveDefaultArguments =
true;
2528 if (RemoveDefaultArguments) {
2530 NewParamEnd = NewParams->
end();
2531 NewParam != NewParamEnd; ++NewParam) {
2533 TTP->removeDefaultArgument();
2535 = dyn_cast<NonTypeTemplateParmDecl>(*NewParam))
2536 NTTP->removeDefaultArgument();
2538 cast<TemplateTemplateParmDecl>(*NewParam)->removeDefaultArgument();
2558 bool IgnoreNonTypeDependent;
2563 DependencyChecker(
unsigned Depth,
bool IgnoreNonTypeDependent)
2564 : Depth(Depth), IgnoreNonTypeDependent(IgnoreNonTypeDependent),
2568 : IgnoreNonTypeDependent(IgnoreNonTypeDependent), Match(
false) {
2571 Depth = PD->getDepth();
2573 dyn_cast<NonTypeTemplateParmDecl>(ND)) {
2574 Depth = PD->getDepth();
2576 Depth = cast<TemplateTemplateParmDecl>(ND)->getDepth();
2581 if (ParmDepth >= Depth) {
2589 bool TraverseStmt(
Stmt *S, DataRecursionQueue *Q =
nullptr) {
2594 if (
auto *
E = dyn_cast_or_null<Expr>(S))
2597 return super::TraverseStmt(S, Q);
2600 bool TraverseTypeLoc(
TypeLoc TL) {
2601 if (IgnoreNonTypeDependent && !TL.
isNull() &&
2604 return super::TraverseTypeLoc(TL);
2613 return IgnoreNonTypeDependent || !Matches(
T->getDepth());
2619 if (Matches(PD->getDepth()))
2621 return super::TraverseTemplateName(N);
2626 dyn_cast<NonTypeTemplateParmDecl>(
E->getDecl()))
2629 return super::VisitDeclRefExpr(
E);
2633 return TraverseType(
T->getReplacementType());
2638 return TraverseTemplateArgument(
T->getArgumentPack());
2642 return TraverseType(
T->getInjectedSpecializationType());
2651 if (!Params->
size())
2654 DependencyChecker Checker(Params,
false);
2655 Checker.TraverseType(
T);
2656 return Checker.Match;
2666 if (
const Type *CurType = NNS->getAsType()) {
2682 bool &IsMemberSpecialization,
bool &
Invalid,
bool SuppressDiagnostic) {
2683 IsMemberSpecialization =
false;
2704 while (!
T.isNull()) {
2705 NestedTypes.push_back(
T);
2711 = dyn_cast<ClassTemplateSpecializationDecl>(
Record)) {
2712 if (!isa<ClassTemplatePartialSpecializationDecl>(Spec) &&
2714 ExplicitSpecLoc = Spec->getLocation();
2717 }
else if (
Record->getTemplateSpecializationKind()
2719 ExplicitSpecLoc =
Record->getLocation();
2732 if (
TemplateDecl *Template = TST->getTemplateName().getAsTemplateDecl()) {
2733 if (
TypeDecl *
Parent = dyn_cast<TypeDecl>(Template->getDeclContext()))
2778 std::reverse(NestedTypes.begin(), NestedTypes.end());
2786 bool SawNonEmptyTemplateParameterList =
false;
2789 if (SawNonEmptyTemplateParameterList) {
2790 if (!SuppressDiagnostic)
2791 Diag(DeclLoc, diag::err_specialize_member_of_template)
2792 << !Recovery <<
Range;
2794 IsMemberSpecialization =
false;
2803 if (CheckExplicitSpecialization(
Range,
true))
2808 if (!ParamLists.empty())
2809 ExpectedTemplateLoc = ParamLists[0]->getTemplateLoc();
2811 ExpectedTemplateLoc = DeclStartLoc;
2813 if (!SuppressDiagnostic)
2814 Diag(DeclLoc, diag::err_template_spec_needs_header)
2821 for (
unsigned TypeIdx = 0, NumTypes = NestedTypes.size(); TypeIdx != NumTypes;
2823 T = NestedTypes[TypeIdx];
2826 bool NeedEmptyTemplateHeader =
false;
2829 bool NeedNonemptyTemplateHeader =
false;
2842 = dyn_cast<ClassTemplatePartialSpecializationDecl>(
Record)) {
2843 ExpectedTemplateParams = Partial->getTemplateParameters();
2844 NeedNonemptyTemplateHeader =
true;
2845 }
else if (
Record->isDependentType()) {
2846 if (
Record->getDescribedClassTemplate()) {
2847 ExpectedTemplateParams =
Record->getDescribedClassTemplate()
2848 ->getTemplateParameters();
2849 NeedNonemptyTemplateHeader =
true;
2852 = dyn_cast<ClassTemplateSpecializationDecl>(
Record)) {
2858 NeedEmptyTemplateHeader =
true;
2861 }
else if (
Record->getTemplateSpecializationKind()) {
2862 if (
Record->getTemplateSpecializationKind()
2864 TypeIdx == NumTypes - 1)
2865 IsMemberSpecialization =
true;
2871 if (
TemplateDecl *Template = TST->getTemplateName().getAsTemplateDecl()) {
2872 ExpectedTemplateParams = Template->getTemplateParameters();
2873 NeedNonemptyTemplateHeader =
true;
2878 NeedNonemptyTemplateHeader =
false;
2888 if (
ParamIdx < ParamLists.size()) {
2889 if (ParamLists[
ParamIdx]->size() == 0) {
2890 if (CheckExplicitSpecialization(ParamLists[
ParamIdx]->getSourceRange(),
2894 SawNonEmptyTemplateParameterList =
true;
2897 if (NeedEmptyTemplateHeader) {
2900 if (TypeIdx == NumTypes - 1)
2901 IsMemberSpecialization =
true;
2903 if (
ParamIdx < ParamLists.size()) {
2904 if (ParamLists[
ParamIdx]->size() > 0) {
2906 if (!SuppressDiagnostic)
2908 diag::err_template_param_list_matches_nontemplate)
2911 ParamLists[
ParamIdx]->getRAngleLoc())
2923 if (DiagnoseMissingExplicitSpecialization(
2930 if (NeedNonemptyTemplateHeader) {
2936 if (
ParamIdx < ParamLists.size() &&
2938 ExpectedTemplateParams =
nullptr;
2943 if (
ParamIdx < ParamLists.size()) {
2945 if (ExpectedTemplateParams &&
2947 ExpectedTemplateParams,
2960 if (!SuppressDiagnostic)
2961 Diag(DeclLoc, diag::err_template_spec_needs_template_parameters)
2972 if (
ParamIdx >= ParamLists.size()) {
2973 if (TemplateId && !IsFriend) {
2989 if (
ParamIdx < ParamLists.size() - 1) {
2990 bool HasAnyExplicitSpecHeader =
false;
2991 bool AllExplicitSpecHeaders =
true;
2992 for (
unsigned I =
ParamIdx,
E = ParamLists.size() - 1; I !=
E; ++I) {
2993 if (ParamLists[I]->size() == 0)
2994 HasAnyExplicitSpecHeader =
true;
2996 AllExplicitSpecHeaders =
false;
2999 if (!SuppressDiagnostic)
3001 AllExplicitSpecHeaders ? diag::ext_template_spec_extra_headers
3002 : diag::err_template_spec_extra_headers)
3004 ParamLists[ParamLists.size() - 2]->getRAngleLoc());
3009 if (ExplicitSpecLoc.
isValid() && HasAnyExplicitSpecHeader &&
3010 !SuppressDiagnostic)
3011 Diag(ExplicitSpecLoc,
3012 diag::note_explicit_template_spec_does_not_need_header)
3013 << NestedTypes.back();
3018 if (!AllExplicitSpecHeaders)
3029 if (ParamLists.back()->size() == 0 &&
3030 CheckExplicitSpecialization(ParamLists[
ParamIdx]->getSourceRange(),
3036 return ParamLists.back();
3040 if (
TemplateDecl *Template = Name.getAsTemplateDecl()) {
3041 Diag(Template->getLocation(), diag::note_template_declared_here)
3042 << (isa<FunctionTemplateDecl>(Template)
3044 : isa<ClassTemplateDecl>(Template)
3046 : isa<VarTemplateDecl>(Template)
3048 : isa<TypeAliasTemplateDecl>(Template) ? 3 : 4)
3049 << Template->getDeclName();
3057 Diag((*I)->getLocation(), diag::note_template_declared_here)
3058 << 0 << (*I)->getDeclName();
3076 QualType OrigType = Converted[1].getAsType();
3080 SemaRef.
Diag(TemplateArgs[1].getLocation(),
3081 diag::err_integer_sequence_integral_element_type);
3096 OrigType, TemplateArgs[1].getLocation())));
3098 if (llvm::APSInt NumArgs = NumArgsArg.
getAsIntegral(); NumArgs >= 0) {
3100 for (llvm::APSInt I(NumArgs.getBitWidth(), NumArgs.isUnsigned());
3104 TA, OrigType, TemplateArgs[2].getLocation()));
3109 SemaRef.
Diag(TemplateArgs[2].getLocation(),
3110 diag::err_integer_sequence_negative_length);
3117 TemplateLoc, SyntheticTemplateArgs);
3124 assert(Converted.size() == 2 &&
3125 "__type_pack_element should be given an index and a parameter pack");
3133 assert(Index >= 0 &&
"the index used with __type_pack_element should be of "
3134 "type std::size_t, and hence be non-negative");
3136 if (Index >= Ts.pack_size()) {
3137 SemaRef.
Diag(TemplateArgs[0].getLocation(),
3138 diag::err_type_pack_element_out_of_bounds);
3143 int64_t N = Index.getExtValue();
3144 return Ts.getPackAsArray()[N].getAsType();
3146 llvm_unreachable(
"unexpected BuiltinTemplateDecl!");
3165 if (BinOp->getOpcode() == BO_LAnd) {
3172 Terms.push_back(Clause);
3181 if (!BinOp)
return Cond;
3183 if (BinOp->getOpcode() != BO_LOr)
return Cond;
3186 Expr *LHS = BinOp->getLHS();
3188 if (!InnerBinOp)
return Cond;
3190 if (InnerBinOp->getOpcode() != BO_EQ ||
3191 !isa<IntegerLiteral>(InnerBinOp->getRHS()))
3201 if (MacroName ==
"CONCEPT_REQUIRES" || MacroName ==
"CONCEPT_REQUIRES_")
3202 return BinOp->getRHS();
3212class FailedBooleanConditionPrinterHelper :
public PrinterHelper {
3217 bool handledStmt(
Stmt *
E, raw_ostream &OS)
override {
3218 const auto *DR = dyn_cast<DeclRefExpr>(
E);
3219 if (DR && DR->getQualifier()) {
3222 DR->getQualifier()->print(OS, Policy,
true);
3226 if (
const auto *IV = dyn_cast<VarTemplateSpecializationDecl>(VD)) {
3229 OS, IV->getTemplateArgs().asArray(), Policy,
3230 IV->getSpecializedTemplate()->getTemplateParameters());
3243std::pair<Expr *, std::string>
3252 Expr *FailedCond =
nullptr;
3253 for (
Expr *Term : Terms) {
3257 if (isa<CXXBoolLiteralExpr>(TermAsWritten) ||
3258 isa<IntegerLiteral>(TermAsWritten))
3267 if (Term->EvaluateAsBooleanCondition(Succeeded,
Context) &&
3269 FailedCond = TermAsWritten;
3276 std::string Description;
3278 llvm::raw_string_ostream Out(Description);
3281 FailedBooleanConditionPrinterHelper Helper(Policy);
3282 FailedCond->
printPretty(Out, &Helper, Policy, 0,
"\n",
nullptr);
3284 return { FailedCond, Description };
3291 = Name.getUnderlying().getAsDependentTemplateName();
3301 if (Name.getAsAssumedTemplateName() &&
3306 if (!Template || isa<FunctionTemplateDecl>(Template) ||
3307 isa<VarTemplateDecl>(Template) || isa<ConceptDecl>(Template)) {
3310 if (Name.getAsSubstTemplateTemplateParmPack())
3314 Diag(TemplateLoc, diag::err_template_id_not_a_type)
3324 SugaredConverted, CanonicalConverted,
3331 dyn_cast<TypeAliasTemplateDecl>(Template)) {
3346 Template, SugaredConverted,
3347 !
getLangOpts().RetainSubstTemplateTypeParmTypeAstNodes);
3363 std::optional<ContextRAII> SavedContext;
3365 SavedContext.emplace(*
this,
AliasTemplate->getDeclContext());
3370 if (CanonType.
isNull()) {
3376 if (*DeductionInfo &&
3377 (*DeductionInfo)->hasSFINAEDiagnostic() &&
3378 (*DeductionInfo)->peekSFINAEDiagnostic().second.getDiagID() ==
3379 diag::err_typename_nested_not_found_enable_if &&
3380 TemplateArgs[0].getArgument().getKind()
3383 std::string FailedDescription;
3384 std::tie(FailedCond, FailedDescription) =
3390 (*DeductionInfo)->takeSFINAEDiagnostic(OldDiag);
3394 (*DeductionInfo)->addSFINAEDiagnostic(
3396 PDiag(diag::err_typename_nested_not_found_requirement)
3397 << FailedDescription
3405 }
else if (
auto *BTD = dyn_cast<BuiltinTemplateDecl>(Template)) {
3407 TemplateLoc, TemplateArgs);
3408 }
else if (Name.isDependent() ||
3410 TemplateArgs, CanonicalConverted)) {
3419 Name, CanonicalConverted);
3427 if (isa<ClassTemplateDecl>(Template)) {
3430 if (Ctx->isFileContext())
break;
3438 if (!isa<ClassTemplatePartialSpecializationDecl>(
Record) &&
3439 !
Record->getDescribedClassTemplate())
3445 QualType Injected = cast<InjectedClassNameType>(ICNT)
3446 ->getInjectedSpecializationType();
3459 dyn_cast<ClassTemplateDecl>(Template)) {
3462 void *InsertPos =
nullptr;
3464 ClassTemplate->findSpecialization(CanonicalConverted, InsertPos);
3496 assert(isa<RecordType>(CanonType) &&
3497 "type of non-dependent specialization is not a RecordType");
3499 llvm_unreachable(
"Unhandled template kind");
3516 auto *ATN = Name.getAsAssumedTemplateName();
3517 assert(ATN &&
"not an assumed template name");
3518 II = ATN->getDeclName().getAsIdentifierInfo();
3534 assert(ATN &&
"not an assumed template name");
3542 std::unique_ptr<CorrectionCandidateCallback> clone()
override {
3543 return std::make_unique<CandidateCallback>(*
this);
3567 bool IsCtorOrDtorName,
bool IsClassName,
3572 if (!IsCtorOrDtorName && !IsClassName && SS.
isSet()) {
3598 TemplateD, TemplateII, TemplateIILoc, LAngleLoc,
3599 TemplateArgsIn, RAngleLoc);
3606 auto *LookupRD = dyn_cast_or_null<CXXRecordDecl>(LookupCtx);
3607 if (LookupRD && LookupRD->getIdentifier() == TemplateII) {
3610 ? diag::err_out_of_line_qualified_id_type_names_constructor
3611 : diag::ext_out_of_line_qualified_id_type_names_constructor)
3641 for (
unsigned I = 0, N = SpecTL.
getNumArgs(); I != N; ++I)
3658 for (
unsigned i = 0, e = SpecTL.
getNumArgs(); i != e; ++i)
3699 Keyword, DTN->getQualifier(), DTN->getIdentifier(),
3712 for (
unsigned I = 0, N = SpecTL.
getNumArgs(); I != N; ++I)
3723 Diag(TemplateLoc, diag::err_tag_reference_non_tag)
3725 Diag(TAT->getLocation(), diag::note_declared_at);
3737 assert(
Id &&
"templated class must have an identifier");
3741 Diag(TagLoc, diag::err_use_with_wrong_tag)
3756 for (
unsigned i = 0, e = SpecTL.
getNumArgs(); i != e; ++i)
3791 return TPT && !
Type.hasQualifiers() &&
3800 dyn_cast<NonTypeTemplateParmDecl>(DRE->
getDecl());
3806 dyn_cast_or_null<TemplateTemplateParmDecl>(
3810 llvm_unreachable(
"unexpected kind of template argument");
3815 if (Params->
size() != Args.size())
3818 unsigned Depth = Params->
getDepth();
3820 for (
unsigned I = 0, N = Args.size(); I != N; ++I) {
3839template<
typename PartialSpecDecl>
3841 if (Partial->getDeclContext()->isDependentContext())
3850 auto *Template = Partial->getSpecializedTemplate();
3851 S.
Diag(Partial->getLocation(),
3852 diag::ext_partial_spec_not_more_specialized_than_primary)
3853 << isa<VarTemplateDecl>(Template);
3862 diag::note_partial_spec_not_more_specialized_than_primary)
3868 Template->getAssociatedConstraints(TemplateAC);
3869 Partial->getAssociatedConstraints(PartialAC);
3876 const llvm::SmallBitVector &DeducibleParams) {
3877 for (
unsigned I = 0, N = DeducibleParams.size(); I != N; ++I) {
3878 if (!DeducibleParams[I]) {
3891template<
typename PartialSpecDecl>
3893 PartialSpecDecl *Partial) {
3906 auto *TemplateParams = Partial->getTemplateParameters();
3907 llvm::SmallBitVector DeducibleParams(TemplateParams->size());
3909 TemplateParams->getDepth(), DeducibleParams);
3911 if (!DeducibleParams.all()) {
3912 unsigned NumNonDeducible = DeducibleParams.size() - DeducibleParams.count();
3913 S.
Diag(Partial->getLocation(), diag::ext_partial_specs_not_deducible)
3914 << isa<VarTemplatePartialSpecializationDecl>(Partial)
3915 << (NumNonDeducible > 1)
3917 Partial->getTemplateArgsAsWritten()->RAngleLoc);
3938 llvm::SmallBitVector DeducibleParams(TemplateParams->size());
3940 for (
unsigned I = 0; I != TemplateParams->size(); ++I) {
3942 auto *Param = TemplateParams->getParam(I);
3944 DeducibleParams[I] =
true;
3947 if (!DeducibleParams.all()) {
3948 unsigned NumNonDeducible = DeducibleParams.size() - DeducibleParams.count();
3949 Diag(TD->
getLocation(), diag::err_deduction_guide_template_not_deducible)
3950 << (NumNonDeducible > 1);
3961 "Variable template specialization is declared with a template id.");
3974 dyn_cast_or_null<VarTemplateDecl>(Name.getAsTemplateDecl());
3977 if (
auto *OTS = Name.getAsOverloadedTemplate())
3978 FnTemplate = *OTS->begin();
3980 FnTemplate = dyn_cast_or_null<FunctionTemplateDecl>(Name.getAsTemplateDecl());
3982 return Diag(
D.getIdentifierLoc(), diag::err_var_spec_no_template_but_method)
3984 return Diag(
D.getIdentifierLoc(), diag::err_var_spec_no_template)
3989 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
4000 false, SugaredConverted, CanonicalConverted,
4008 TemplateArgs.
size(),
4009 CanonicalConverted))
4014 if (!Name.isDependent() &&
4016 TemplateArgs, CanonicalConverted)) {
4017 Diag(TemplateNameLoc, diag::err_partial_spec_fully_specialized)
4023 CanonicalConverted) &&
4030 Diag(TemplateNameLoc, diag::err_partial_spec_args_match_primary_template)
4040 void *InsertPos =
nullptr;
4044 PrevDecl =
VarTemplate->findPartialSpecialization(
4045 CanonicalConverted, TemplateParams, InsertPos);
4047 PrevDecl =
VarTemplate->findSpecialization(CanonicalConverted, InsertPos);
4069 cast_or_null<VarTemplatePartialSpecializationDecl>(PrevDecl);
4074 CanonicalConverted);
4078 VarTemplate->AddPartialSpecialization(Partial, InsertPos);
4117 Diag(TemplateNameLoc, diag::err_specialization_after_instantiation)
4121 diag::note_instantiation_required_here)
4151struct PartialSpecMatchResult {
4161 assert(Template &&
"A variable template id without template?");
4166 Template, TemplateNameLoc,
4168 SugaredConverted, CanonicalConverted,
4175 TemplateArgs, CanonicalConverted))
4180 void *InsertPos =
nullptr;
4194 bool AmbiguousPartialSpec =
false;
4209 for (
unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) {
4223 Matched.push_back(PartialSpecMatchResult());
4224 Matched.back().Partial = Partial;
4229 if (Matched.size() >= 1) {
4231 if (Matched.size() == 1) {
4244 PEnd = Matched.end();
4247 PointOfInstantiation) ==
4255 PEnd = Matched.end();
4258 P->Partial, Best->Partial,
4259 PointOfInstantiation) != Best->Partial) {
4260 AmbiguousPartialSpec =
true;
4267 InstantiationPattern = Best->Partial;
4268 PartialSpecArgs = Best->Args;
4280 Template, InstantiationPattern, PartialSpecArgs, TemplateArgs,
4281 CanonicalConverted, TemplateNameLoc );
4285 if (AmbiguousPartialSpec) {
4288 Diag(PointOfInstantiation, diag::err_partial_spec_ordering_ambiguous)
4293 Diag(
P.Partial->getLocation(), diag::note_partial_spec_match)
4300 dyn_cast<VarTemplatePartialSpecializationDecl>(InstantiationPattern))
4301 Decl->setInstantiationOf(
D, PartialSpecArgs);
4305 assert(
Decl &&
"No variable template specialization?");
4316 if (
Decl.isInvalid())
4333 Diag(
Loc, diag::err_template_missing_args)
4341 bool TemplateKeyword,
4356 assert(NamedConcept &&
"A concept template id without a template?");
4360 NamedConcept, ConceptNameInfo.
getLoc(),
4362 false, SugaredConverted, CanonicalConverted,
4370 CanonicalConverted);
4372 bool AreArgsDependent =
4374 *TemplateArgs, CanonicalConverted);
4382 if (!AreArgsDependent &&
4392 TemplateKWLoc, ConceptNameInfo, FoundDecl, NamedConcept,
4395 Context, CL, CSD, AreArgsDependent ?
nullptr : &Satisfaction);
4414 assert(!R.
isAmbiguous() &&
"ambiguous lookup when building templateid");
4418 if (!TemplateArgs && !isa<FunctionTemplateDecl>(TD)) {
4424 bool KnownDependent =
false;
4433 KnownDependent =
true;
4448 R.
begin(), R.
end(), KnownDependent,
4465 assert(TemplateArgs || TemplateKWLoc.
isValid());
4469 false, TemplateKWLoc))
4498 bool EnteringContext,
4500 bool AllowInjectedClassName) {
4501 if (TemplateKWLoc.
isValid() && S && !S->getTemplateParamParent())
4504 diag::warn_cxx98_compat_template_outside_of_template :
4505 diag::ext_template_outside_of_template)
4515 else if (ObjectType)
4534 bool MemberOfUnknownSpecialization;
4536 ObjectType, EnteringContext,
Result,
4537 MemberOfUnknownSpecialization);
4540 auto *LookupRD = dyn_cast_or_null<CXXRecordDecl>(LookupCtx);
4541 if (!AllowInjectedClassName && SS.
isNotEmpty() && LookupRD &&
4543 Name.Identifier && LookupRD->getIdentifier() == Name.Identifier) {
4553 Diag(Name.getBeginLoc(),
4554 diag::ext_out_of_line_qualified_id_type_names_constructor)
4562 if (!MemberOfUnknownSpecialization) {
4579 Diag(Name.getBeginLoc(), diag::err_no_member)
4582 Diag(Name.getBeginLoc(), diag::err_undeclared_use)
4590 switch (Name.getKind()) {
4598 Qualifier, Name.OperatorFunctionId.Operator));
4612 Diag(Name.getBeginLoc(),
4613 diag::err_template_kw_refers_to_dependent_non_template)
4615 << TemplateKWLoc.
isValid() << TemplateKWLoc;
4652 dyn_cast<DependentScopeDeclRefExpr>(Arg.
getAsExpr())) {
4653 SS.
Adopt(ArgExpr->getQualifierLoc());
4654 NameInfo = ArgExpr->getNameInfo();
4656 dyn_cast<CXXDependentScopeMemberExpr>(Arg.
getAsExpr())) {
4657 if (ArgExpr->isImplicitAccess()) {
4658 SS.
Adopt(ArgExpr->getQualifierLoc());
4659 NameInfo = ArgExpr->getMemberNameInfo();
4668 Result.wasNotFoundInCurrentInstantiation()) {
4669 assert(SS.
getScopeRep() &&
"dependent scope expr must has a scope!");
4673 ? diag::ext_ms_template_type_arg_missing_typename
4674 : diag::err_template_arg_must_be_type_suggest)
4706 SugaredConverted.push_back(Arg);
4707 CanonicalConverted.push_back(Arg);
4713 Diag(SR.
getBegin(), diag::err_template_arg_must_be_type) << SR;
4735 CanonicalConverted.push_back(
4784 for (
unsigned i = 0, e = Param->
getDepth(); i != e; ++i)
4787 bool ForLambdaCallOperator =
false;
4788 if (
const auto *Rec = dyn_cast<CXXRecordDecl>(Template->
getDeclContext()))
4789 ForLambdaCallOperator = Rec->isLambda();
4791 !ForLambdaCallOperator);
4839 for (
unsigned i = 0, e = Param->
getDepth(); i != e; ++i)
4846 TemplateArgLists, Output);
4882 SugaredConverted,
SourceRange(TemplateLoc, RAngleLoc));
4889 for (
unsigned i = 0, e = Param->
getDepth(); i != e; ++i)
4914 HasDefaultArg =
false;
4920 HasDefaultArg =
true;
4923 TypeParm, SugaredConverted,
4924 CanonicalConverted, Output))
4930 = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
4934 HasDefaultArg =
true;
4937 NonTypeParm, SugaredConverted,
4938 CanonicalConverted, Output))
4944 = cast<TemplateTemplateParmDecl>(Param);
4948 HasDefaultArg =
true;
4951 *
this, Template, TemplateLoc, RAngleLoc, TempTempParm, SugaredConverted,
4952 CanonicalConverted, QualifierLoc);
4973 QualLoc = ETLoc.getQualifierLoc();
4974 TLoc = ETLoc.getNamedTypeLoc();
4980 QualLoc, InjLoc.getNameLoc());
4988 dyn_cast<ClassTemplateSpecializationDecl>(RecLoc.getDecl()))
4991 QualLoc, RecLoc.getNameLoc());
4999 unsigned ArgumentPackIndex,
5006 CanonicalConverted);
5013 QualType NTTPType = NTTP->getType();
5014 if (NTTP->isParameterPack() && NTTP->isExpandedParameterPack())
5015 NTTPType = NTTP->getExpansionType(ArgumentPackIndex);
5018 !isa<TemplateTemplateParmDecl>(Template) &&
5033 NTTPType =
SubstType(PET->getPattern(), MLTAL, NTTP->getLocation(),
5034 NTTP->getDeclName());
5036 NTTPType =
SubstType(NTTPType, MLTAL, NTTP->getLocation(),
5037 NTTP->getDeclName());
5044 NTTP->getLocation());
5051 llvm_unreachable(
"Should never see a NULL template argument here");
5058 CanonicalResult, CTAK);
5067 if (Res.
get() !=
E) {
5072 SugaredConverted.push_back(SugaredResult);
5073 CanonicalConverted.push_back(CanonicalResult);
5084 CanonicalConverted.push_back(
5127 SugaredConverted.push_back(SugaredResult);
5128 CanonicalConverted.push_back(CanonicalResult);
5155 Diag(SR.
getBegin(), diag::err_template_arg_nontype_ambig) << SR <<
T;
5157 Diag(SR.
getBegin(), diag::err_template_arg_must_be_expr) << SR;
5163 llvm_unreachable(
"Caller must expand template argument packs");
5194 Template, SugaredConverted,
true),
5213 llvm_unreachable(
"Should never see a NULL template argument here");
5222 CanonicalConverted.push_back(
5238 llvm_unreachable(
"non-type argument with template template parameter");
5241 llvm_unreachable(
"Caller must expand template argument packs");
5248template<
typename TemplateParmDecl>
5251 const TemplateParmDecl *
D,
5256 ->getTemplateParameters()
5257 ->getParam(
D->getIndex()));
5264 D->getDefaultArgumentLoc(), Modules,
5275 S.
Diag(
Loc, diag::err_template_arg_list_different_arity)
5291 bool PartialOrderingTTP) {
5310 bool isTemplateTemplateParameter = isa<TemplateTemplateParmDecl>(Template);
5313 unsigned ArgIdx = 0, NumArgs = NewArgs.
size();
5316 ParamEnd = Params->
end();
5317 Param != ParamEnd; ) {
5321 if (*Expansions == SugaredArgumentPack.size()) {
5324 SugaredConverted.push_back(
5326 SugaredArgumentPack.clear();
5328 CanonicalConverted.push_back(
5330 CanonicalArgumentPack.clear();
5335 }
else if (ArgIdx == NumArgs && !PartialTemplateArgs) {
5337 Diag(TemplateLoc, diag::err_template_arg_list_different_arity)
5346 if (ArgIdx < NumArgs) {
5349 RAngleLoc, SugaredArgumentPack.size(),
5350 SugaredConverted, CanonicalConverted,
5354 CanonicalConverted.back().setIsDefaulted(
5357 CanonicalConverted, Params->
getDepth()));
5359 bool PackExpansionIntoNonPack =
5360 NewArgs[ArgIdx].getArgument().isPackExpansion() &&
5366 if (PackExpansionIntoNonPack && !PartialOrderingTTP &&
5367 (isa<TypeAliasTemplateDecl>(Template) ||
5368 isa<ConceptDecl>(Template))) {
5374 Diag(NewArgs[ArgIdx].getLocation(),
5375 diag::err_template_expansion_into_fixed_list)
5376 << (isa<ConceptDecl>(Template) ? 1 : 0)
5377 << NewArgs[ArgIdx].getSourceRange();
5385 if ((*Param)->isTemplateParameterPack()) {
5390 SugaredArgumentPack.push_back(SugaredConverted.pop_back_val());
5391 CanonicalArgumentPack.push_back(CanonicalConverted.pop_back_val());
5400 if (PackExpansionIntoNonPack) {
5401 if (!SugaredArgumentPack.empty()) {
5404 SugaredConverted.insert(SugaredConverted.end(),
5405 SugaredArgumentPack.begin(),
5406 SugaredArgumentPack.end());
5407 SugaredArgumentPack.clear();
5409 CanonicalConverted.insert(CanonicalConverted.end(),
5410 CanonicalArgumentPack.begin(),
5411 CanonicalArgumentPack.end());
5412 CanonicalArgumentPack.clear();
5415 while (ArgIdx < NumArgs) {
5417 SugaredConverted.push_back(Arg);
5418 CanonicalConverted.push_back(
5430 if (PartialTemplateArgs) {
5431 if ((*Param)->isTemplateParameterPack() && !SugaredArgumentPack.empty()) {
5432 SugaredConverted.push_back(
5434 CanonicalConverted.push_back(
5442 if ((*Param)->isTemplateParameterPack()) {
5444 "Should have dealt with this already");
5449 if (Param + 1 != ParamEnd) {
5452 "Concept templates must have parameter packs at the end.");
5456 SugaredConverted.push_back(
5458 SugaredArgumentPack.clear();
5460 CanonicalConverted.push_back(
5462 CanonicalArgumentPack.clear();
5482 TTP, SugaredConverted,
5483 CanonicalConverted, Arg))
5486 = dyn_cast<NonTypeTemplateParmDecl>(*Param)) {
5492 NTTP, SugaredConverted,
5493 CanonicalConverted, Arg))
5497 = cast<TemplateTemplateParmDecl>(*Param);
5505 *
this, Template, TemplateLoc, RAngleLoc, TempParm, SugaredConverted,
5506 CanonicalConverted, QualifierLoc);
5527 SugaredConverted, CanonicalConverted,
5531 CanonicalConverted.back().setIsDefaulted(
true);
5536 if (isTemplateTemplateParameter)
5550 while (ArgIdx < NumArgs &&
5551 NewArgs[ArgIdx].
getArgument().isPackExpansion()) {
5553 SugaredConverted.push_back(Arg);
5560 if (ArgIdx < NumArgs) {
5561 Diag(TemplateLoc, diag::err_template_arg_list_different_arity)
5572 if (UpdateArgsWithConversions)
5573 TemplateArgs = std::move(NewArgs);
5575 if (!PartialTemplateArgs) {
5582 if (
auto *TD = dyn_cast<TemplateDecl>(NewContext))
5584 auto *RD = dyn_cast<CXXRecordDecl>(NewContext);
5587 if (
const auto *Method =
5589 ThisQuals = Method->getMethodQualifiers();
5595 Template, NewContext,
false, CanonicalConverted,
5612 class UnnamedLocalNoLinkageFinder
5613 :
public TypeVisitor<UnnamedLocalNoLinkageFinder, bool>
5621 UnnamedLocalNoLinkageFinder(
Sema &S,
SourceRange SR) : S(S), SR(SR) { }
5624 return T.isNull() ?
false : inherited::Visit(
T.getTypePtr());
5627#define TYPE(Class, Parent) \
5628 bool Visit##Class##Type(const Class##Type *);
5629#define ABSTRACT_TYPE(Class, Parent) \
5630 bool Visit##Class##Type(const Class##Type *) { return false; }
5631#define NON_CANONICAL_TYPE(Class, Parent) \
5632 bool Visit##Class##Type(const Class##Type *) { return false; }
5633#include "clang/AST/TypeNodes.inc"
5635 bool VisitTagDecl(
const TagDecl *Tag);
5640bool UnnamedLocalNoLinkageFinder::VisitBuiltinType(
const BuiltinType*) {
5644bool UnnamedLocalNoLinkageFinder::VisitComplexType(
const ComplexType*
T) {
5645 return Visit(
T->getElementType());
5648bool UnnamedLocalNoLinkageFinder::VisitPointerType(
const PointerType*
T) {
5652bool UnnamedLocalNoLinkageFinder::VisitBlockPointerType(
5657bool UnnamedLocalNoLinkageFinder::VisitLValueReferenceType(
5662bool UnnamedLocalNoLinkageFinder::VisitRValueReferenceType(
5667bool UnnamedLocalNoLinkageFinder::VisitMemberPointerType(
5672bool UnnamedLocalNoLinkageFinder::VisitConstantArrayType(
5674 return Visit(
T->getElementType());
5677bool UnnamedLocalNoLinkageFinder::VisitIncompleteArrayType(
5679 return Visit(
T->getElementType());
5682bool UnnamedLocalNoLinkageFinder::VisitVariableArrayType(
5684 return Visit(
T->getElementType());
5687bool UnnamedLocalNoLinkageFinder::VisitDependentSizedArrayType(
5689 return Visit(
T->getElementType());
5692bool UnnamedLocalNoLinkageFinder::VisitDependentSizedExtVectorType(
5694 return Visit(
T->getElementType());
5697bool UnnamedLocalNoLinkageFinder::VisitDependentSizedMatrixType(
5699 return Visit(
T->getElementType());
5702bool UnnamedLocalNoLinkageFinder::VisitDependentAddressSpaceType(
5707bool UnnamedLocalNoLinkageFinder::VisitVectorType(
const VectorType*
T) {
5708 return Visit(
T->getElementType());
5711bool UnnamedLocalNoLinkageFinder::VisitDependentVectorType(
5713 return Visit(
T->getElementType());
5716bool UnnamedLocalNoLinkageFinder::VisitExtVectorType(
const ExtVectorType*
T) {
5717 return Visit(
T->getElementType());
5720bool UnnamedLocalNoLinkageFinder::VisitConstantMatrixType(
5722 return Visit(
T->getElementType());
5725bool UnnamedLocalNoLinkageFinder::VisitFunctionProtoType(
5735bool UnnamedLocalNoLinkageFinder::VisitFunctionNoProtoType(
5740bool UnnamedLocalNoLinkageFinder::VisitUnresolvedUsingType(
5745bool UnnamedLocalNoLinkageFinder::VisitTypeOfExprType(
const TypeOfExprType*) {
5749bool UnnamedLocalNoLinkageFinder::VisitTypeOfType(
const TypeOfType*
T) {
5750 return Visit(
T->getUnmodifiedType());
5753bool UnnamedLocalNoLinkageFinder::VisitDecltypeType(
const DecltypeType*) {
5757bool UnnamedLocalNoLinkageFinder::VisitPackIndexingType(
5762bool UnnamedLocalNoLinkageFinder::VisitUnaryTransformType(
5767bool UnnamedLocalNoLinkageFinder::VisitAutoType(
const AutoType *
T) {
5768 return Visit(
T->getDeducedType());
5771bool UnnamedLocalNoLinkageFinder::VisitDeducedTemplateSpecializationType(
5773 return Visit(
T->getDeducedType());
5776bool UnnamedLocalNoLinkageFinder::VisitRecordType(
const RecordType*
T) {
5777 return VisitTagDecl(
T->getDecl());
5780bool UnnamedLocalNoLinkageFinder::VisitEnumType(
const EnumType*
T) {
5781 return VisitTagDecl(
T->getDecl());
5784bool UnnamedLocalNoLinkageFinder::VisitTemplateTypeParmType(
5789bool UnnamedLocalNoLinkageFinder::VisitSubstTemplateTypeParmPackType(
5794bool UnnamedLocalNoLinkageFinder::VisitTemplateSpecializationType(
5799bool UnnamedLocalNoLinkageFinder::VisitInjectedClassNameType(
5801 return VisitTagDecl(
T->getDecl());
5804bool UnnamedLocalNoLinkageFinder::VisitDependentNameType(
5806 return VisitNestedNameSpecifier(
T->getQualifier());
5809bool UnnamedLocalNoLinkageFinder::VisitDependentTemplateSpecializationType(
5811 if (
auto *Q =
T->getQualifier())
5812 return VisitNestedNameSpecifier(Q);
5816bool UnnamedLocalNoLinkageFinder::VisitPackExpansionType(
5818 return Visit(
T->getPattern());
5821bool UnnamedLocalNoLinkageFinder::VisitObjCObjectType(
const ObjCObjectType *) {
5825bool UnnamedLocalNoLinkageFinder::VisitObjCInterfaceType(
5830bool UnnamedLocalNoLinkageFinder::VisitObjCObjectPointerType(
5835bool UnnamedLocalNoLinkageFinder::VisitAtomicType(
const AtomicType*
T) {
5836 return Visit(
T->getValueType());
5839bool UnnamedLocalNoLinkageFinder::VisitPipeType(
const PipeType*
T) {
5843bool UnnamedLocalNoLinkageFinder::VisitBitIntType(
const BitIntType *
T) {
5847bool UnnamedLocalNoLinkageFinder::VisitArrayParameterType(
5849 return VisitConstantArrayType(
T);
5852bool UnnamedLocalNoLinkageFinder::VisitDependentBitIntType(
5857bool UnnamedLocalNoLinkageFinder::VisitTagDecl(
const TagDecl *Tag) {
5858 if (
Tag->getDeclContext()->isFunctionOrMethod()) {
5859 S.
Diag(SR.getBegin(),
5861 diag::warn_cxx98_compat_template_arg_local_type :
5862 diag::ext_template_arg_local_type)
5867 if (!
Tag->hasNameForLinkage()) {
5868 S.
Diag(SR.getBegin(),
5870 diag::warn_cxx98_compat_template_arg_unnamed_type :
5871 diag::ext_template_arg_unnamed_type) << SR;
5872 S.
Diag(
Tag->getLocation(), diag::note_template_unnamed_type_here);
5879bool UnnamedLocalNoLinkageFinder::VisitNestedNameSpecifier(
5897 llvm_unreachable(
"Invalid NestedNameSpecifier::Kind!");
5901 assert(ArgInfo &&
"invalid TypeSourceInfo");
5907 return Diag(SR.
getBegin(), diag::err_variably_modified_template_arg) << Arg;
5909 return Diag(SR.
getBegin(), diag::err_template_arg_overload_type) << SR;
5920 UnnamedLocalNoLinkageFinder Finder(*
this, SR);
5921 (void)Finder.Visit(CanonArg);
5938 Decl *Entity =
nullptr) {
5944 if (Entity && Entity->hasAttr<DLLImportAttr>())
5949 "Incomplete parameter type in isNullPointerValueTemplateArgument!");
5962 EvalResult.
Diag = &Notes;
5970 if (Notes.size() == 1 && Notes[0].second.getDiagID() ==
5971 diag::note_invalid_subexpr_in_const_expr) {
5972 DiagLoc = Notes[0].first;
5976 S.
Diag(DiagLoc, diag::err_template_arg_not_address_constant)
5978 for (
unsigned I = 0, N = Notes.size(); I != N; ++I)
5979 S.
Diag(Notes[I].first, Notes[I].second);
5997 bool ObjCLifetimeConversion;
6000 ObjCLifetimeConversion))
6005 S.
Diag(Arg->
getExprLoc(), diag::err_template_arg_wrongtype_null_constant)
6024 std::string Code =
"static_cast<" + ParamType.
getAsString() +
">(";
6025 S.
Diag(Arg->
getExprLoc(), diag::err_template_arg_untyped_null_constant)
6044 bool ObjCLifetimeConversion;
6048 ObjCLifetimeConversion)) {
6053 if (!ParamRef->getPointeeType()->isFunctionType()) {
6063 unsigned ParamQuals = ParamRef->getPointeeType().getCVRQualifiers();
6066 if ((ParamQuals | ArgQuals) != ParamQuals) {
6068 diag::err_template_arg_ref_bind_ignores_quals)
6105 bool AddressTaken =
false;
6112 bool ExtWarnMSTemplateArg =
false;
6115 while (
UnaryOperator *UnOp = dyn_cast<UnaryOperator>(Arg)) {
6117 if (UnOpKind == UO_Deref)
6118 ExtWarnMSTemplateArg =
true;
6119 if (UnOpKind == UO_AddrOf || UnOpKind == UO_Deref) {
6122 FirstOpKind = UnOpKind;
6123 FirstOpLoc = UnOp->getOperatorLoc();
6129 if (ExtWarnMSTemplateArg)
6133 if (FirstOpKind == UO_AddrOf)
6134 AddressTaken =
true;
6138 assert(FirstOpKind == UO_Deref);
6161 bool ExtraParens =
false;
6163 if (!
Invalid && !ExtraParens) {
6166 ? diag::warn_cxx98_compat_template_arg_extra_parens
6167 : diag::ext_template_arg_extra_parens)
6172 Arg =
Parens->getSubExpr();
6176 dyn_cast<SubstNonTypeTemplateParmExpr>(Arg))
6180 if (UnOp->getOpcode() == UO_AddrOf) {
6181 Arg = UnOp->getSubExpr();
6182 AddressTaken =
true;
6183 AddrOpLoc = UnOp->getOperatorLoc();
6188 dyn_cast<SubstNonTypeTemplateParmExpr>(Arg))
6193 if (
DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(Arg))
6194 Entity = DRE->getDecl();
6196 Entity = CUE->getGuidDecl();
6203 S.
Diag(Arg->
getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
6206 CanonicalConverted =
6223 CanonicalConverted =
6236 if (isa<FieldDecl>(Entity) || isa<IndirectFieldDecl>(Entity)) {
6244 if (
CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(Entity)) {
6245 if (!Method->isStatic()) {
6254 VarDecl *Var = dyn_cast<VarDecl>(Entity);
6255 MSGuidDecl *Guid = dyn_cast<MSGuidDecl>(Entity);
6258 if (!
Func && !Var && !Guid) {
6270 ? diag::warn_cxx98_compat_template_arg_object_internal
6271 : diag::ext_template_arg_object_internal)
6273 S.
Diag(Entity->
getLocation(), diag::note_template_arg_internal_object)
6278 S.
Diag(Entity->
getLocation(), diag::note_template_arg_internal_object)
6307 S.
Diag(AddrOpLoc, diag::err_template_arg_address_of_non_pointer)
6313 S.
Diag(AddrOpLoc, diag::err_template_arg_address_of_non_pointer)
6355 CanonicalConverted =
6371 Expr *Arg = ResultArg;
6372 bool ObjCLifetimeConversion;
6384 bool ExtraParens =
false;
6386 if (!
Invalid && !ExtraParens) {
6389 ? diag::warn_cxx98_compat_template_arg_extra_parens
6390 : diag::ext_template_arg_extra_parens)
6395 Arg =
Parens->getSubExpr();
6399 dyn_cast<SubstNonTypeTemplateParmExpr>(Arg))
6404 if (UnOp->getOpcode() == UO_AddrOf) {
6405 DRE = dyn_cast<DeclRefExpr>(UnOp->getSubExpr());
6411 else if ((DRE = dyn_cast<DeclRefExpr>(Arg))) {
6414 if (isa<NonTypeTemplateParmDecl>(VD)) {
6417 CanonicalConverted =
6421 CanonicalConverted =
6440 S.
Diag(ResultArg->
getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
6452 ObjCLifetimeConversion)) {
6459 S.
Diag(ResultArg->
getBeginLoc(), diag::err_template_arg_not_convertible)
6467 diag::err_template_arg_not_pointer_to_member_form)
6470 if (isa<FieldDecl>(DRE->
getDecl()) ||
6471 isa<IndirectFieldDecl>(DRE->
getDecl()) ||
6472 isa<CXXMethodDecl>(DRE->
getDecl())) {
6473 assert((isa<FieldDecl>(DRE->
getDecl()) ||
6474 isa<IndirectFieldDecl>(DRE->
getDecl()) ||
6475 cast<CXXMethodDecl>(DRE->
getDecl())
6476 ->isImplicitObjectMemberFunction()) &&
6477 "Only non-static member pointers can make it here");
6483 CanonicalConverted =
6488 CanonicalConverted =
6496 S.
Diag(Arg->
getBeginLoc(), diag::err_template_arg_not_pointer_to_member_form)
6518 auto *AT = dyn_cast<AutoType>(DeducedT);
6519 if (AT && AT->isDecltypeAuto()) {
6530 Expr *DeductionArg = Arg;
6531 if (
auto *PE = dyn_cast<PackExpansionExpr>(DeductionArg))
6532 DeductionArg = PE->getPattern();
6535 if (isa<DeducedTemplateSpecializationType>(DeducedT)) {
6539 DeductionArg->
getBeginLoc(),
false, DeductionArg);
6540 Expr *Inits[1] = {DeductionArg};
6563 diag::err_non_type_template_parm_type_deduction_failure)
6575 if (ParamType.
isNull()) {
6583 "non-type template parameter type cannot be qualified");
6609 Diag(StartLoc, diag::err_deduced_non_type_template_arg_type_mismatch)
6620 auto *PE = dyn_cast<PackExpansionExpr>(Arg);
6622 Arg = PE->getPattern();
6634 PE->getNumExpansions());
6652 if (ParamType->
isRecordType() && isa<DeclRefExpr>(InnerArg) &&
6654 NamedDecl *ND = cast<DeclRefExpr>(InnerArg)->getDecl();
6655 if (
auto *TPO = dyn_cast<TemplateParamObjectDecl>(ND)) {
6658 CanonicalConverted =
6662 if (isa<NonTypeTemplateParmDecl>(ND)) {
6664 CanonicalConverted =
6675 bool IsConvertedConstantExpression =
true;
6676 if (isa<InitListExpr>(Arg) || ParamType->
isRecordType()) {
6679 Expr *Inits[1] = {Arg};
6693 IsConvertedConstantExpression =
false;
6702 if (IsConvertedConstantExpression) {
6715 CanonicalConverted =
6723 false, PreNarrowingValue);
6727 if (
Value.isLValue()) {
6740 isa<LifetimeExtendedTemporaryDecl, UnnamedGlobalConstantDecl>(VD))) {
6746 if (
Value.hasLValuePath() &&
Value.getLValuePath().size() == 1 && VD &&
6748 Value.getLValuePath()[0].getAsArrayIndex() == 0 &&
6753 return ArgResult.
get();
6758 if (!
Value.hasLValuePath() ||
Value.getLValuePath().size() ||
6759 Value.isLValueOnePastTheEnd()) {
6760 Diag(StartLoc, diag::err_non_type_template_arg_subobject)
6765 "null reference should not be a constant expression");
6767 "non-null value of type nullptr_t?");
6771 if (
Value.isAddrLabelDiff())
6772 return Diag(StartLoc, diag::err_non_type_template_arg_addr_label_diff);
6776 return ArgResult.
get();
6814 CanonicalConverted =
6824 IntegerType =
Enum->getDecl()->getIntegerType();
6830 CanonicalConverted =
6838 Arg = ArgResult.
get();
6851 Diag(Arg->
getBeginLoc(), diag::err_template_arg_not_integral_or_enumeral)
6864 return S.
Diag(
Loc, diag::err_template_arg_not_ice) <<
T;
6866 } Diagnoser(ArgType);
6902 CanonicalConverted =
6909 IntegerType =
Enum->getDecl()->getIntegerType();
6916 if (
Value.getBitWidth() != AllowedBits)
6920 llvm::APSInt OldValue =
Value;
6927 if (
Value.getBitWidth() != AllowedBits)
6933 (OldValue.isSigned() && OldValue.isNegative())) {
6941 unsigned RequiredBits;
6943 RequiredBits = OldValue.getActiveBits();
6944 else if (OldValue.isUnsigned())
6945 RequiredBits = OldValue.getActiveBits() + 1;
6947 RequiredBits = OldValue.getSignificantBits();
6948 if (RequiredBits > AllowedBits) {
6958 CanonicalConverted =
7008 *
this, Param, ParamType, Arg, SugaredConverted,
7009 CanonicalConverted))
7015 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
7026 "Only object pointers allowed here");
7029 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
7041 assert(ParamRefType->getPointeeType()->isIncompleteOrObjectType() &&
7042 "Only object references allowed here");
7046 ParamRefType->getPointeeType(),
7061 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
7070 CanonicalConverted =
7078 << Arg->
getType() << ParamType;
7086 Diag(Arg->
getExprLoc(), diag::warn_cxx98_compat_template_arg_null);
7100 *
this, Param, ParamType, Arg, SugaredConverted, CanonicalConverted))
7117 assert(Name.isDependent() &&
"Non-dependent template isn't a declaration?");
7136 if (!isa<ClassTemplateDecl>(Template) &&
7137 !isa<TemplateTemplateParmDecl>(Template) &&
7138 !isa<TypeAliasTemplateDecl>(Template) &&
7139 !isa<BuiltinTemplateDecl>(Template)) {
7140 assert(isa<FunctionTemplateDecl>(Template) &&
7141 "Only function templates are possible here");
7143 Diag(Template->
getLocation(), diag::note_template_arg_refers_here_func)
7165 Params, Template, Arg.
getLocation(), IsDeduced)) {
7175 if (ParamsAC.empty())
7180 bool IsParamAtLeastAsConstrained;
7182 IsParamAtLeastAsConstrained))
7184 if (!IsParamAtLeastAsConstrained) {
7186 diag::err_template_template_parameter_not_at_least_as_constrained)
7208 unsigned HereDiagID,
7209 unsigned ExternalDiagID) {
7214 llvm::raw_svector_ostream Out(Str);
7222 std::optional<SourceRange> ParamRange) {
7225 diag::note_template_decl_external);
7226 if (ParamRange && ParamRange->isValid()) {
7228 "Parameter range has location when Decl does not");
7235 diag::note_template_param_external);
7258 ? CK_NullToMemberPointer
7259 : CK_NullToPointer);
7262 "Only declaration template arguments permitted here");
7271 (isa<CXXMethodDecl>(VD) || isa<FieldDecl>(VD) ||
7272 isa<IndirectFieldDecl>(VD)));
7300 assert(isa<TemplateParamObjectDecl>(VD) &&
7301 "arg for class template param not a template parameter object");
7306 "unexpected type for decl template argument");
7308 dyn_cast_if_present<NonTypeTemplateParmDecl>(
TemplateParam)) {
7309 QualType TemplateParamType = NTTP->getType();
7323 "value kind mismatch for non-type template argument");
7343 "unexpected conversion required for non-type template argument");
7370 T = ET->getDecl()->getIntegerType();
7421 llvm_unreachable(
"unexpected template argument value");
7446 return MakeInitList(
7459 return MakeInitList(Elts);
7464 llvm_unreachable(
"Unexpected APValue kind.");
7480 llvm_unreachable(
"Unhandled APValue::ValueKind enum");
7492 llvm_unreachable(
"not a non-type template argument");
7510 llvm_unreachable(
"Unhandled TemplateArgument::ArgKind enum");
7517 const NamedDecl *OldInstFrom,
bool Complain,
7522 unsigned NextDiag = diag::err_template_param_different_kind;
7523 if (TemplateArgLoc.
isValid()) {
7524 S.
Diag(TemplateArgLoc, diag::err_template_arg_template_params_mismatch);
7525 NextDiag = diag::note_template_param_different_kind;
7544 unsigned NextDiag = diag::err_template_parameter_pack_non_pack;
7545 if (TemplateArgLoc.
isValid()) {
7546 S.
Diag(TemplateArgLoc,
7547 diag::err_template_arg_template_params_mismatch);
7548 NextDiag = diag::note_template_parameter_pack_non_pack;
7551 unsigned ParamKind = isa<TemplateTypeParmDecl>(New)? 0
7552 : isa<NonTypeTemplateParmDecl>(New)? 1
7565 = dyn_cast<NonTypeTemplateParmDecl>(Old)) {
7573 (!OldNTTP->getType()->isDependentType() &&
7583 unsigned NextDiag = diag::err_template_nontype_parm_different_type;
7584 if (TemplateArgLoc.
isValid()) {
7585 S.
Diag(TemplateArgLoc,
7586 diag::err_template_arg_template_params_mismatch);
7587 NextDiag = diag::note_template_nontype_parm_different_type;
7592 S.
Diag(OldNTTP->getLocation(),
7593 diag::note_template_nontype_parm_prev_declaration)
7594 << OldNTTP->getType();
7605 dyn_cast<TemplateTemplateParmDecl>(Old)) {
7609 OldTTP->getTemplateParameters(), Complain,
7619 !isa<TemplateTemplateParmDecl>(Old)) {
7620 const Expr *NewC =
nullptr, *OldC =
nullptr;
7622 if (isa<TemplateTypeParmDecl>(New)) {
7623 if (
const auto *TC = cast<TemplateTypeParmDecl>(New)->getTypeConstraint())
7624 NewC = TC->getImmediatelyDeclaredConstraint();
7625 if (
const auto *TC = cast<TemplateTypeParmDecl>(Old)->getTypeConstraint())
7626 OldC = TC->getImmediatelyDeclaredConstraint();
7627 }
else if (isa<NonTypeTemplateParmDecl>(New)) {
7628 if (
const Expr *
E = cast<NonTypeTemplateParmDecl>(New)
7629 ->getPlaceholderTypeConstraint())
7631 if (
const Expr *
E = cast<NonTypeTemplateParmDecl>(Old)
7632 ->getPlaceholderTypeConstraint())
7635 llvm_unreachable(
"unexpected template parameter type");
7637 auto Diagnose = [&] {
7639 diag::err_template_different_type_constraint);
7641 diag::note_template_prev_declaration) << 0;
7644 if (!NewC != !OldC) {
7671 unsigned NextDiag = diag::err_template_param_list_different_arity;
7672 if (TemplateArgLoc.
isValid()) {
7673 S.
Diag(TemplateArgLoc, diag::err_template_arg_template_params_mismatch);
7674 NextDiag = diag::note_template_param_list_different_arity;
7706 OldParmEnd = Old->
end();
7707 OldParm != OldParmEnd; ++OldParm) {
7709 !(*OldParm)->isTemplateParameterPack()) {
7710 if (NewParm == NewParmEnd) {
7719 OldInstFrom, Complain, Kind,
7734 for (; NewParm != NewParmEnd; ++NewParm) {
7736 OldInstFrom, Complain, Kind,
7743 if (NewParm != NewParmEnd) {
7758 diag::err_template_different_requires_clause);
7760 diag::note_template_prev_declaration) << 0;
7763 if (!NewRC != !OldRC) {
7788 S = S->getDeclParent();
7798 Diag(LSD->getExternLoc(), diag::note_extern_c_begins_here);
7818 if (RD->isLocalClass())
7820 diag::err_template_inside_local_class)
7828 diag::err_template_outside_namespace_or_class_scope)
7839 return Record->getTemplateSpecializationKind();
7841 return Function->getTemplateSpecializationKind();
7842 if (
VarDecl *Var = dyn_cast<VarDecl>(
D))
7843 return Var->getTemplateSpecializationKind();
7880 if (isa<ClassTemplateDecl>(Specialized))
7882 else if (isa<VarTemplateDecl>(Specialized))
7884 else if (isa<FunctionTemplateDecl>(Specialized))
7886 else if (isa<CXXMethodDecl>(Specialized))
7888 else if (isa<VarDecl>(Specialized))
7890 else if (isa<RecordDecl>(Specialized))
7892 else if (isa<EnumDecl>(Specialized) && S.
getLangOpts().CPlusPlus11)
7895 S.
Diag(
Loc, diag::err_template_spec_unknown_kind)
7905 S.
Diag(
Loc, diag::err_template_spec_decl_function_scope)
7920 : DC->
Equals(SpecializedContext))) {
7921 if (isa<TranslationUnitDecl>(SpecializedContext))
7922 S.
Diag(
Loc, diag::err_template_spec_redecl_global_scope)
7923 << EntityKind << Specialized;
7925 auto *ND = cast<NamedDecl>(SpecializedContext);
7926 int Diag = diag::err_template_spec_redecl_out_of_scope;
7928 Diag = diag::ext_ms_template_spec_redecl_out_of_scope;
7930 << ND << isa<CXXRecordDecl>(ND);
7933 S.
Diag(Specialized->getLocation(), diag::note_specialized_entity);
7947 DependencyChecker Checker(Depth,
true);
7948 Checker.TraverseStmt(
E);
7949 if (Checker.MatchLoc.isInvalid())
7951 return Checker.MatchLoc;
7957 DependencyChecker Checker(Depth,
true);
7958 Checker.TraverseTypeLoc(TL);
7959 if (Checker.MatchLoc.isInvalid())
7961 return Checker.MatchLoc;
7969 for (
unsigned I = 0; I != NumArgs; ++I) {
7972 S, TemplateNameLoc, Param, Args[I].pack_begin(),
7973 Args[I].pack_size(), IsDefaultArgument))
7986 ArgExpr = Expansion->getPattern();
7990 ArgExpr = ICE->getSubExpr();
8000 if (
DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(ArgExpr))
8001 if (isa<NonTypeTemplateParmDecl>(DRE->getDecl()))
8021 if (ParamUseRange.
isValid()) {
8022 if (IsDefaultArgument) {
8023 S.
Diag(TemplateNameLoc,
8024 diag::err_dependent_non_type_arg_in_partial_spec);
8026 diag::note_dependent_non_type_default_arg_in_partial_spec)
8030 diag::err_dependent_non_type_arg_in_partial_spec)
8038 if (ParamUseRange.
isValid()) {
8040 diag::err_dependent_typed_non_type_arg_in_partial_spec)
8060 for (
unsigned I = 0, N = TemplateParams->
size(); I != N; ++I) {
8062 = dyn_cast<NonTypeTemplateParmDecl>(TemplateParams->
getParam(I));
8067 Param, &TemplateArgs[I],
8068 1, I >= NumExplicit))
8089 = dyn_cast_or_null<ClassTemplateDecl>(Name.getAsTemplateDecl());
8092 Diag(TemplateNameLoc, diag::err_not_class_template_specialization)
8093 << (Name.getAsTemplateDecl() &&
8094 isa<TemplateTemplateParmDecl>(Name.getAsTemplateDecl()));
8098 bool isMemberSpecialization =
false;
8099 bool isPartialSpecialization =
false;
8105 TemplateNameLoc, &TemplateId,
8117 KWLoc, TemplateNameLoc, SS, &TemplateId, TemplateParameterLists,
8126 if (TemplateParams && TemplateParams->
size() > 0) {
8127 isPartialSpecialization =
true;
8130 Diag(KWLoc, diag::err_partial_specialization_friend)
8138 for (
unsigned I = 0, N = TemplateParams->
size(); I != N; ++I) {
8141 if (TTP->hasDefaultArgument()) {
8142 Diag(TTP->getDefaultArgumentLoc(),
8143 diag::err_default_arg_in_partial_spec);
8144 TTP->removeDefaultArgument();
8147 = dyn_cast<NonTypeTemplateParmDecl>(Param)) {
8148 if (NTTP->hasDefaultArgument()) {
8149 Diag(NTTP->getDefaultArgumentLoc(),
8150 diag::err_default_arg_in_partial_spec)
8151 << NTTP->getDefaultArgument().getSourceRange();
8152 NTTP->removeDefaultArgument();
8158 diag::err_default_arg_in_partial_spec)
8164 }
else if (TemplateParams) {
8166 Diag(KWLoc, diag::err_template_spec_friend)
8173 "should have a 'template<>' for this decl");
8180 "Invalid enum tag in class template spec!");
8184 Diag(KWLoc, diag::err_use_with_wrong_tag)
8189 diag::note_previous_use);
8198 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
8200 isPartialSpecialization
8209 false, SugaredConverted, CanonicalConverted,
8215 if (isPartialSpecialization) {
8217 TemplateArgs.
size(),
8218 CanonicalConverted))
8223 if (!Name.isDependent() &&
8225 TemplateArgs, CanonicalConverted)) {
8226 Diag(TemplateNameLoc, diag::err_partial_spec_fully_specialized)
8228 isPartialSpecialization =
false;
8233 void *InsertPos =
nullptr;
8236 if (isPartialSpecialization)
8238 CanonicalConverted, TemplateParams, InsertPos);
8240 PrevDecl =
ClassTemplate->findSpecialization(CanonicalConverted, InsertPos);
8249 isPartialSpecialization))
8254 if (isPartialSpecialization) {
8259 CanonicalConverted);
8272 Diag(TemplateNameLoc, diag::err_partial_spec_args_match_primary_template)
8282 TemplateParameterLists.size() - 1,
8283 TemplateParameterLists.data());
8288 = cast_or_null<ClassTemplatePartialSpecializationDecl>(PrevDecl);
8292 TemplateNameLoc, TemplateParams,
ClassTemplate, CanonicalConverted,
8293 CanonType, PrevPartial);
8296 if (TemplateParameterLists.size() > 1 && SS.
isSet()) {
8298 Context, TemplateParameterLists.drop_back(1));
8302 ClassTemplate->AddPartialSpecialization(Partial, InsertPos);
8319 if (TemplateParameterLists.size() > 0) {
8321 TemplateParameterLists);
8330 CanonicalConverted);
8354 Diag(TemplateNameLoc, diag::err_specialization_after_instantiation)
8358 diag::note_instantiation_required_here)
8396 if (ModulePrivateLoc.
isValid())
8398 << (isPartialSpecialization? 1 : 0)
8424 Name, TemplateNameLoc, TemplateArgs, CanonType);
8460 diag::err_concept_decls_may_only_appear_in_global_namespace_scope);
8464 if (TemplateParameterLists.size() > 1) {
8465 Diag(NameLoc, diag::err_concept_extra_headers);
8471 if (Params->
size() == 0) {
8472 Diag(NameLoc, diag::err_concept_no_parameters);
8479 ParamEnd = Params->
end();
8480 ParamIt != ParamEnd; ++ParamIt) {
8481 Decl const *Param = *ParamIt;
8483 if (++ParamIt == ParamEnd)
8486 diag::err_template_param_pack_must_be_last_template_parameter);
8497 Diag(NameLoc, diag::err_concept_no_associated_constraints);
8534 Expr *ConstraintExpr,
8536 assert(!
C->hasDefinition() &&
"Concept already defined");
8539 C->setDefinition(ConstraintExpr);
8550 bool AddToScope =
true;
8554 if (!WasAlreadyAdded && AddToScope)
8567 auto *OldConcept = dyn_cast<ConceptDecl>(
Previous.getRepresentativeDecl()->getUnderlyingDecl());
8569 auto *Old =
Previous.getRepresentativeDecl();
8579 Diag(NewDecl->
getLocation(), diag::err_redefinition_different_concept)
8606 Diag(
Concept->getLocation(), diag::note_declared_at);
8615 if (MinGW || (isa<FunctionDecl>(
D) &&
8616 cast<FunctionDecl>(
D)->isFunctionTemplateSpecialization()))
8617 D->
dropAttrs<DLLImportAttr, DLLExportAttr>();
8620 FD->setInlineSpecified(
false);
8632 Prev = Prev->getPreviousDecl()) {
8633 PrevDiagLoc = Prev->getLocation();
8635 assert(PrevDiagLoc.
isValid() &&
8636 "Explicit instantiation without point of instantiation?");
8646 bool &HasNoEffect) {
8647 HasNoEffect =
false;
8654 "previous declaration must be implicit!");
8667 if (PrevPointOfInstantiation.
isInvalid()) {
8681 PrevPointOfInstantiation.
isValid()) &&
8682 "Explicit instantiation without point of instantiation?");
8696 Diag(NewLoc, diag::err_specialization_after_instantiation)
8698 Diag(PrevPointOfInstantiation, diag::note_instantiation_required_here)
8703 llvm_unreachable(
"The switch over PrevTSK must be exhaustive.");
8733 diag::err_explicit_instantiation_declaration_after_definition);
8739 diag::note_explicit_instantiation_definition_here);
8743 llvm_unreachable(
"Unexpected TemplateSpecializationKind!");
8759 Diag(NewLoc, diag::warn_explicit_instantiation_after_specialization)
8762 diag::note_previous_template_specialization);
8793 ? diag::ext_explicit_instantiation_duplicate
8794 : diag::err_explicit_instantiation_duplicate)
8797 diag::note_previous_explicit_instantiation);
8803 llvm_unreachable(
"Missing specialization/instantiation case?");
8813 enum DiscardReason { NotAFunctionTemplate, NotAMemberOfEnclosing };
8817 if (!isa<FunctionTemplateDecl>(
D)) {
8819 DiscardedCandidates.push_back(std::make_pair(NotAFunctionTemplate,
D));
8826 DiscardedCandidates.push_back(std::make_pair(NotAMemberOfEnclosing,
D));
8834 Diag(FD->
getLocation(), diag::err_dependent_function_template_spec_no_match)
8836 for (
auto &
P : DiscardedCandidates)
8837 Diag(
P.second->getLocation(),
8838 diag::note_dependent_function_template_spec_discard_reason)
8839 <<
P.first << IsFriend;
8844 ExplicitTemplateArgs);
8857 llvm::SmallDenseMap<FunctionDecl *, TemplateArgumentListInfo, 8>
8858 ConvertedTemplateArgs;
8881 if (
auto *NewMD = dyn_cast<CXXMethodDecl>(FD);
8882 !
getLangOpts().CPlusPlus14 && NewMD && NewMD->isConstexpr() &&
8883 !isa<CXXConstructorDecl, CXXDestructorDecl>(NewMD)) {
8884 auto *OldMD = dyn_cast<CXXMethodDecl>(FunTmpl->getTemplatedDecl());
8885 if (OldMD && OldMD->isConst()) {
8895 if (ExplicitTemplateArgs)
8896 Args = *ExplicitTemplateArgs;
8908 cast<FunctionTemplateDecl>(FunTmpl->getFirstDecl()),
8909 ExplicitTemplateArgs ? &Args :
nullptr, FT,
Specialization, Info);
8914 I.getPair(), FunTmpl->getTemplatedDecl(),
8930 I.getPair(), FunTmpl->getTemplatedDecl(),
8937 if (ExplicitTemplateArgs)
8946 if (QualifiedFriend && Candidates.
empty()) {
8952 if (
auto *OldFD = dyn_cast<FunctionDecl>(OldND->getUnderlyingDecl()))
8963 PDiag(diag::err_function_template_spec_ambiguous)
8964 << FD->
getDeclName() << (ExplicitTemplateArgs !=
nullptr),
8965 PDiag(diag::note_function_template_spec_matched));
8998 auto *SpecializationFPT =
9009 assert(SpecInfo &&
"Function template specialization info missing?");
9047 bool HasNoEffect =
false;
9073 "This must be the only existing declaration of this specialization");
9088 FD->setFunctionTemplateSpecialization(
9091 ExplicitTemplateArgs ? &ConvertedTemplateArgs[
Specialization] :
nullptr);
9110 assert(!
Member->isTemplateDecl() && !
Member->getDescribedTemplate() &&
9111 "Only for non-template members");
9114 NamedDecl *FoundInstantiation =
nullptr;
9124 auto *Method = dyn_cast<CXXMethodDecl>(Candidate->getUnderlyingDecl());
9142 Method->getTrailingRequiresClause() &&
9146 !Satisfaction.IsSatisfied))
9149 Candidates.
addDecl(Candidate);
9153 if (Candidates.
empty())
9162 auto *Method = cast<CXXMethodDecl>(I->getUnderlyingDecl());
9166 BestMethod = Method;
9170 FoundInstantiation = *Best;
9171 Instantiation = BestMethod;
9176 bool Ambiguous =
false;
9179 auto *Method = cast<CXXMethodDecl>(I->getUnderlyingDecl());
9188 Diag(
Member->getLocation(), diag::err_function_member_spec_ambiguous)
9189 <<
Member << (InstantiatedFrom ? InstantiatedFrom : Instantiation);
9190 for (
NamedDecl *Candidate : Candidates) {
9191 Candidate = Candidate->getUnderlyingDecl();
9192 Diag(Candidate->getLocation(), diag::note_function_member_spec_matched)
9197 }
else if (isa<VarDecl>(
Member)) {
9200 (PrevVar = dyn_cast<VarDecl>(
Previous.getFoundDecl())))
9202 FoundInstantiation =
Previous.getRepresentativeDecl();
9203 Instantiation = PrevVar;
9207 }
else if (isa<RecordDecl>(
Member)) {
9210 (PrevRecord = dyn_cast<CXXRecordDecl>(
Previous.getFoundDecl()))) {
9211 FoundInstantiation =
Previous.getRepresentativeDecl();
9212 Instantiation = PrevRecord;
9216 }
else if (isa<EnumDecl>(
Member)) {
9219 (PrevEnum = dyn_cast<EnumDecl>(
Previous.getFoundDecl()))) {
9220 FoundInstantiation =
Previous.getRepresentativeDecl();
9221 Instantiation = PrevEnum;
9227 if (!Instantiation) {
9241 if (InstantiatedFrom && isa<CXXMethodDecl>(
Member)) {
9242 cast<CXXMethodDecl>(
Member)->setInstantiationOfMemberFunction(
9243 cast<CXXMethodDecl>(InstantiatedFrom),
9245 }
else if (InstantiatedFrom && isa<CXXRecordDecl>(
Member)) {
9246 cast<CXXRecordDecl>(
Member)->setInstantiationOfMemberClass(
9247 cast<CXXRecordDecl>(InstantiatedFrom),
9252 Previous.addDecl(FoundInstantiation);
9257 if (!InstantiatedFrom) {
9258 Diag(
Member->getLocation(), diag::err_spec_member_not_instantiated)
9270 assert(MSInfo &&
"Member specialization info missing?");
9272 bool HasNoEffect =
false;
9284 Instantiation,
Member->getLocation(),
9290 if (
auto *MemberFunction = dyn_cast<FunctionDecl>(
Member)) {
9291 FunctionDecl *InstantiationFunction = cast<FunctionDecl>(Instantiation);
9296 if (InstantiationFunction->
isDeleted()) {
9299 InstantiationFunction);
9305 MemberFunction->setInstantiationOfMemberFunction(
9307 }
else if (
auto *MemberVar = dyn_cast<VarDecl>(
Member)) {
9308 MemberVar->setInstantiationOfStaticDataMember(
9310 }
else if (
auto *MemberClass = dyn_cast<CXXRecordDecl>(
Member)) {
9311 MemberClass->setInstantiationOfMemberClass(
9313 }
else if (
auto *MemberEnum = dyn_cast<EnumDecl>(
Member)) {
9314 MemberEnum->setInstantiationOfMemberEnum(
9317 llvm_unreachable(
"unknown member specialization kind");
9323 Previous.addDecl(FoundInstantiation);
9332template<
typename DeclT>
9343 OrigD->setLocation(
Loc);
9348 NamedDecl *Instantiation = cast<NamedDecl>(
Member->getCanonicalDecl());
9349 if (Instantiation ==
Member)
9352 if (
auto *
Function = dyn_cast<CXXMethodDecl>(Instantiation))
9354 else if (
auto *Var = dyn_cast<VarDecl>(Instantiation))
9356 else if (
auto *
Record = dyn_cast<CXXRecordDecl>(Instantiation))
9358 else if (
auto *
Enum = dyn_cast<EnumDecl>(Instantiation))
9361 llvm_unreachable(
"unknown member specialization kind");
9369 bool WasQualifiedName) {
9374 S.
Diag(InstLoc, diag::err_explicit_instantiation_in_class)
9387 if (WasQualifiedName) {
9388 if (CurContext->
Encloses(OrigContext))
9395 if (
NamespaceDecl *NS = dyn_cast<NamespaceDecl>(OrigContext)) {
9396 if (WasQualifiedName)
9399 diag::err_explicit_instantiation_out_of_scope :
9400 diag::warn_explicit_instantiation_out_of_scope_0x)
9405 diag::err_explicit_instantiation_unqualified_wrong_namespace :
9406 diag::warn_explicit_instantiation_unqualified_wrong_namespace_0x)
9411 diag::err_explicit_instantiation_must_be_global :
9412 diag::warn_explicit_instantiation_must_be_global_0x)
9421 bool WasQualifiedName,
9428 S.
Diag(InstLoc, diag::err_explicit_instantiation_internal_linkage) <<
D;
9456 if (isa<TemplateSpecializationType>(
T))
9466 auto *A = cast_or_null<InheritableAttr>(
getDLLAttr(Def));
9467 assert(A &&
"dllExportImportClassTemplateSpecialization called "
9468 "on Def without dllexport or dllimport");
9473 "delayed exports present at explicit instantiation");
9477 for (
auto &B : Def->
bases()) {
9478 if (
auto *BT = dyn_cast_or_null<ClassTemplateSpecializationDecl>(
9479 B.getType()->getAsCXXRecordDecl()))
9499 "Invalid enum tag in class template explicit instantiation!");
9505 Diag(TemplateNameLoc, diag::err_tag_reference_non_tag)
9506 << TD << NTK << llvm::to_underlying(Kind);
9514 Diag(KWLoc, diag::err_use_with_wrong_tag)
9519 diag::note_previous_use);
9536 if (AL.getKind() == ParsedAttr::AT_DLLExport) {
9538 diag::warn_attribute_dllexport_explicit_instantiation_decl);
9539 Diag(AL.getLoc(), diag::note_attribute);
9544 if (
auto *A =
ClassTemplate->getTemplatedDecl()->getAttr<DLLExportAttr>()) {
9546 diag::warn_attribute_dllexport_explicit_instantiation_decl);
9547 Diag(A->getLocation(), diag::note_attribute);
9553 bool DLLImportExplicitInstantiationDef =
false;
9558 ClassTemplate->getTemplatedDecl()->getAttr<DLLImportAttr>();
9560 if (AL.getKind() == ParsedAttr::AT_DLLImport)
9562 if (AL.getKind() == ParsedAttr::AT_DLLExport) {
9570 DLLImportExplicitInstantiationDef =
true;
9582 false, SugaredConverted, CanonicalConverted,
9588 void *InsertPos =
nullptr;
9590 ClassTemplate->findSpecialization(CanonicalConverted, InsertPos);
9600 if (AL.getKind() == ParsedAttr::AT_DLLExport) {
9602 diag::warn_attribute_dllexport_explicit_instantiation_def);
9614 bool HasNoEffect =
false;
9617 PrevDecl, PrevDecl_TSK,
9638 DLLImportExplicitInstantiationDef) {
9640 HasNoEffect =
false;
9655 if (
const auto *A = PrevDecl->
getAttr<MSInheritanceAttr>()) {
9657 Clone->setInherited(
true);
9663 if (!HasNoEffect && !PrevDecl) {
9676 bool PreviouslyDLLExported =
Specialization->hasAttr<DLLExportAttr>();
9701 = cast_or_null<ClassTemplateSpecializationDecl>(
9711 Def = cast_or_null<ClassTemplateSpecializationDecl>(
9719 DLLImportExplicitInstantiationDef)) {
9728 auto *A = cast<InheritableAttr>(
9730 A->setInherited(
true);
9738 bool NewlyDLLExported =
9739 !PreviouslyDLLExported &&
Specialization->hasAttr<DLLExportAttr>();
9755 "Def and Specialization should match for implicit instantiation");
9763 PrevDecl->
hasAttr<DLLExportAttr>()) {
9788 bool IsDependent =
false;
9796 assert(!IsDependent &&
"explicit instantiation of dependent name not yet handled");
9801 TagDecl *Tag = cast<TagDecl>(TagD);
9802 assert(!Tag->isEnum() &&
"shouldn't see enumerations here");
9804 if (Tag->isInvalidDecl())
9810 Diag(TemplateLoc, diag::err_explicit_instantiation_nontemplate_type)
9812 Diag(
Record->getLocation(), diag::note_nontemplate_decl_here);
9823 Diag(TemplateLoc, diag::ext_explicit_instantiation_without_qualified_id)
9838 = cast_or_null<CXXRecordDecl>(
Record->getPreviousDecl());
9843 bool HasNoEffect =
false;
9844 assert(MSInfo &&
"No member specialization information?");
9856 = cast_or_null<CXXRecordDecl>(
Record->getDefinition());
9864 Diag(TemplateLoc, diag::err_explicit_instantiation_undefined_member)
9865 << 0 <<
Record->getDeclName() <<
Record->getDeclContext();
9875 RecordDef = cast_or_null<CXXRecordDecl>(
Record->getDefinition());
9904 if (!
D.isInvalidType())
9906 diag::err_explicit_instantiation_requires_name)
9913 S = S->getDeclParent();
9925 Diag(
D.getIdentifierLoc(), diag::err_explicit_instantiation_of_typedef)
9928 }
else if (
D.getDeclSpec().getStorageClassSpec()
9931 Diag(
D.getIdentifierLoc(), diag::err_explicit_instantiation_storage_class)
9934 D.getMutableDeclSpec().ClearStorageClassSpecs();
9942 if (
D.getDeclSpec().isInlineSpecified())
9943 Diag(
D.getDeclSpec().getInlineSpecLoc(),
9945 diag::err_explicit_instantiation_inline :
9946 diag::warn_explicit_instantiation_inline_0x)
9951 Diag(
D.getDeclSpec().getConstexprSpecLoc(),
9952 diag::err_explicit_instantiation_constexpr);
9988 if (!PrevTemplate) {
9991 Diag(
D.getIdentifierLoc(), diag::err_explicit_instantiation_not_known)
9995 Diag((*P)->getLocation(), diag::note_explicit_instantiation_here);
10001 Diag(
D.getIdentifierLoc(),
10002 diag::err_explicit_instantiation_data_member_not_instantiated)
10017 Diag(
T->getTypeLoc().getBeginLoc(),
10018 diag::err_auto_not_allowed_var_inst);
10026 Diag(
D.getIdentifierLoc(),
10027 diag::err_explicit_instantiation_without_template_id)
10029 Diag(PrevTemplate->getLocation(),
10030 diag::note_explicit_instantiation_here);
10039 D.getIdentifierLoc(), TemplateArgs);
10047 Diag(
D.getIdentifierLoc(), diag::err_explicit_instantiation_dependent);
10053 Prev = cast<VarDecl>(Res.
get());
10067 Diag(
D.getIdentifierLoc(),
10068 diag::ext_explicit_instantiation_without_qualified_id)
10069 << Prev <<
D.getCXXScopeSpec().getRange();
10076 bool HasNoEffect =
false;
10078 PrevTSK, POI, HasNoEffect))
10081 if (!HasNoEffect) {
10084 if (
auto *VTSD = dyn_cast<VarTemplatePartialSpecializationDecl>(Prev)) {
10085 VTSD->setExternKeywordLoc(ExternLoc);
10086 VTSD->setTemplateKeywordLoc(TemplateLoc);
10100 Diag(
T->getTypeLoc().getBeginLoc(),
10101 diag::err_invalid_var_template_spec_type)
10102 << 0 << PrevTemplate << R << Prev->
getType();
10103 Diag(PrevTemplate->getLocation(), diag::note_template_declared_here)
10104 << 2 << PrevTemplate->getDeclName();
10109 return (
Decl*)
nullptr;
10114 bool HasExplicitTemplateArgs =
false;
10118 HasExplicitTemplateArgs =
true;
10133 if (!HasExplicitTemplateArgs) {
10134 if (
CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(Prev)) {
10138 if (Method->getPrimaryTemplate()) {
10139 TemplateMatches.
addDecl(Method,
P.getAccess());
10142 C.FoundDecl =
P.getPair();
10143 C.Function = Method;
10146 if (Method->getTrailingRequiresClause() &&
10165 FunTmpl, (HasExplicitTemplateArgs ? &TemplateArgs :
nullptr), R,
10196 if (!NonTemplateMatches.
empty()) {
10207 Msg = diag::err_explicit_instantiation_ambiguous;
10211 Msg = diag::err_explicit_instantiation_no_candidate;
10227 TemplateMatches.
begin(), TemplateMatches.
end(),
10228 FailedTemplateCandidates,
D.getIdentifierLoc(),
10229 PDiag(diag::err_explicit_instantiation_not_known) << Name,
10230 PDiag(diag::err_explicit_instantiation_ambiguous) << Name,
10231 PDiag(diag::note_explicit_instantiation_candidate));
10247 if (FPT->hasExceptionSpec()) {
10249 diag::err_mismatched_exception_spec_explicit_instantiation;
10251 DiagID = diag::ext_mismatched_exception_spec_explicit_instantiation;
10254 PDiag(diag::note_explicit_instantiation_here),
10264 Diag(
D.getIdentifierLoc(),
10265 diag::err_explicit_instantiation_member_function_not_instantiated)
10274 if (!PrevDecl &&
Specialization->isThisDeclarationADefinition())
10278 bool HasNoEffect =
false;
10289 return (
Decl*)
nullptr;
10300 if (
auto *RD = dyn_cast<CXXRecordDecl>(
Specialization->getDeclContext()))
10301 if (RD->getIdentifier() && RD->getIdentifier()->isStr(
"valarray") &&
10302 RD->isInStdNamespace())
10303 return (
Decl*)
nullptr;
10316 Specialization->setTemplateSpecializationKind(TSK,
D.getIdentifierLoc());
10334 D.getCXXScopeSpec().isSet() &&
10336 Diag(
D.getIdentifierLoc(),
10337 diag::ext_explicit_instantiation_without_qualified_id)
10344 D.getIdentifierLoc(),
D.getCXXScopeSpec().isSet(), TSK);
10347 return (
Decl*)
nullptr;
10356 assert(Name &&
"Expected a name in a dependent tag");
10365 Diag(NameLoc, diag::err_dependent_tag_decl)
10392 if (TypenameLoc.
isValid() && S && !S->getTemplateParamParent())
10395 diag::warn_cxx98_compat_typename_outside_of_template :
10396 diag::ext_typename_outside_of_template)
10406 TypenameLoc, QualifierLoc, II, IdLoc, &TSI,
10420 if (TypenameLoc.
isValid() && S && !S->getTemplateParamParent())
10423 diag::warn_cxx98_compat_typename_outside_of_template :
10424 diag::ext_typename_outside_of_template)
10432 if (LookupRD && LookupRD->getIdentifier() == TemplateII) {
10433 Diag(TemplateIILoc,
10434 diag::ext_out_of_line_qualified_id_type_names_constructor)
10436 << (TemplateKWLoc.
isValid() ? 1 : 0 );
10447 assert(DTN &&
"dependent template has non-dependent name?");
10450 if (!DTN->isIdentifier()) {
10451 Diag(TemplateIILoc, diag::err_template_id_not_a_type) << Template;
10458 DTN->getIdentifier(), TemplateArgs.
arguments());
10470 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
10487 for (
unsigned I = 0, N = TemplateArgs.
size(); I != N; ++I)
10505 if (!II.
isStr(
"type"))
10514 if (!EnableIfTSTLoc || EnableIfTSTLoc.
getNumArgs() == 0)
10527 if (!EnableIfII || !EnableIfII->
isStr(
"enable_if"))
10555 bool DeducedTSTContext) {
10557 DeducedTSTContext);
10562 if (isa<DependentNameType>(
T)) {
10586 SS.
Adopt(QualifierLoc);
10589 if (QualifierLoc) {
10616 unsigned DiagID = 0;
10617 Decl *Referenced =
nullptr;
10618 switch (
Result.getResultKind()) {
10623 Expr *Cond =
nullptr;
10624 if (Ctx &&
isEnableIf(QualifierLoc, II, CondRange, Cond)) {
10629 std::string FailedDescription;
10630 std::tie(FailedCond, FailedDescription) =
10634 diag::err_typename_nested_not_found_requirement)
10635 << FailedDescription
10641 diag::err_typename_nested_not_found_enable_if)
10642 << Ctx << CondRange;
10646 DiagID = Ctx ? diag::err_typename_nested_not_found
10647 : diag::err_unknown_typename;
10656 Diag(IILoc, diag::err_typename_refers_to_using_value_decl)
10657 << Name << Ctx << FullRange;
10659 = dyn_cast<UnresolvedUsingValueDecl>(
Result.getRepresentativeDecl())){
10661 Diag(
Loc, diag::note_using_value_decl_missing_typename)
10691 auto *LookupRD = dyn_cast_or_null<CXXRecordDecl>(Ctx);
10692 auto *FoundRD = dyn_cast<CXXRecordDecl>(
Type);
10694 FoundRD->isInjectedClassName() &&
10696 Diag(IILoc, diag::ext_out_of_line_qualified_id_type_names_constructor)
10713 if (!DeducedTSTContext) {
10718 Diag(IILoc, diag::err_dependent_deduced_tst)
10721 Diag(IILoc, diag::err_deduced_tst)
10733 DiagID = Ctx ? diag::err_typename_nested_not_type
10734 : diag::err_typename_not_type;
10735 Referenced =
Result.getFoundDecl();
10739 DiagID = Ctx ? diag::err_typename_nested_not_type
10740 : diag::err_typename_not_type;
10741 Referenced = *
Result.begin();
10753 Diag(IILoc, DiagID) << FullRange << Name << Ctx;
10755 Diag(IILoc, DiagID) << FullRange << Name;
10758 Ctx ? diag::note_typename_member_refers_here
10759 : diag::note_typename_refers_here)
10766 class CurrentInstantiationRebuilder
10774 CurrentInstantiationRebuilder(
Sema &SemaRef,
10778 Loc(
Loc), Entity(Entity) { }
10800 this->Entity = Entity;
10816 CurrentInstantiationRebuilder Rebuilder(*
this,
Loc, Name);
10817 return Rebuilder.TransformType(
T);
10821 CurrentInstantiationRebuilder Rebuilder(*
this,
E->
getExprLoc(),
10823 return Rebuilder.TransformExpr(
E);
10834 = Rebuilder.TransformNestedNameSpecifierLoc(QualifierLoc);
10844 for (
unsigned I = 0, N = Params->
size(); I != N; ++I) {
10848 if (isa<TemplateTypeParmDecl>(Param))
10853 = dyn_cast<TemplateTemplateParmDecl>(Param)) {
10855 TTP->getTemplateParameters()))
10897 unsigned NumArgs) {
10899 llvm::raw_svector_ostream Out(Str);
10901 if (!Params || Params->
size() == 0 || NumArgs == 0)
10902 return std::string();
10904 for (
unsigned I = 0, N = Params->
size(); I != N; ++I) {
10914 Out <<
Id->getName();
10926 return std::string(Out.str());
10934 auto LPT = std::make_unique<LateParsedTemplate>();
10937 LPT->Toks.swap(Toks);
10984class ExplicitSpecializationVisibilityChecker {
10996 if (
auto *FD = dyn_cast<FunctionDecl>(ND))
10997 return checkImpl(FD);
10998 if (
auto *RD = dyn_cast<CXXRecordDecl>(ND))
10999 return checkImpl(RD);
11000 if (
auto *VD = dyn_cast<VarDecl>(ND))
11001 return checkImpl(VD);
11002 if (
auto *ED = dyn_cast<EnumDecl>(ND))
11003 return checkImpl(ED);
11007 void diagnose(
NamedDecl *
D,
bool IsPartialSpec) {
11008 auto Kind = IsPartialSpec ? Sema::MissingImportKind::PartialSpecialization
11009 : Sema::MissingImportKind::ExplicitSpecialization;
11010 const bool Recover =
true;
11015 if (Modules.empty())
11021 bool CheckMemberSpecialization(
const NamedDecl *
D) {
11022 return Kind == Sema::AcceptableKind::Visible
11027 bool CheckExplicitSpecialization(
const NamedDecl *
D) {
11028 return Kind == Sema::AcceptableKind::Visible
11050 template<
typename SpecDecl>
11051 void checkImpl(SpecDecl *Spec) {
11052 bool IsHiddenExplicitSpecialization =
false;
11054 IsHiddenExplicitSpecialization = Spec->getMemberSpecializationInfo()
11055 ? !CheckMemberSpecialization(Spec)
11056 : !CheckExplicitSpecialization(Spec);
11058 checkInstantiated(Spec);
11061 if (IsHiddenExplicitSpecialization)
11062 diagnose(Spec->getMostRecentDecl(),
false);
11071 auto *SD = dyn_cast<ClassTemplateSpecializationDecl>(RD);
11075 auto From = SD->getSpecializedTemplateOrPartial();
11078 else if (
auto *TD =
11080 if (!CheckDeclaration(TD))
11081 diagnose(TD,
true);
11086 void checkInstantiated(
VarDecl *RD) {
11087 auto *SD = dyn_cast<VarTemplateSpecializationDecl>(RD);
11091 auto From = SD->getSpecializedTemplateOrPartial();
11094 else if (
auto *TD =
11096 if (!CheckDeclaration(TD))
11097 diagnose(TD,
true);
11102 void checkInstantiated(
EnumDecl *FD) {}
11104 template<
typename TemplDecl>
11105 void checkTemplate(TemplDecl *TD) {
11106 if (TD->isMemberSpecialization()) {
11107 if (!CheckMemberSpecialization(TD))
11108 diagnose(TD->getMostRecentDecl(),
false);
11118 ExplicitSpecializationVisibilityChecker(*
this,
Loc,
11128 ExplicitSpecializationVisibilityChecker(*
this,
Loc,
11136 if (
const auto *FD = dyn_cast<FunctionDecl>(N)) {
11144 if (!CSC.isInstantiationRecord() || CSC.PointOfInstantiation.isInvalid())
11146 return CSC.PointOfInstantiation;
Defines the clang::ASTContext interface.
Defines enum values for all the target-independent builtin functions.
enum clang::sema::@1655::IndirectLocalPathEntry::EntryKind Kind
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 SubstDefaultTemplateArgument(Sema &SemaRef, TemplateDecl *Template, SourceLocation TemplateLoc, SourceLocation RAngleLoc, TemplateTypeParmDecl *Param, ArrayRef< TemplateArgument > SugaredConverted, ArrayRef< TemplateArgument > CanonicalConverted, TemplateArgumentLoc &Output)
Substitute template arguments into the default template argument for the given template type paramete...
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 bool RemoveLookupResult(LookupResult &R, NamedDecl *C)
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 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
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.
CanQualType UnresolvedTemplateTy
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...
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.
bool isDecltypeAuto() const
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++ 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...
static ClassTemplatePartialSpecializationDecl * Create(ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, TemplateParameterList *Params, ClassTemplateDecl *SpecializedTemplate, ArrayRef< TemplateArgument > Args, QualType CanonInjectedType, ClassTemplatePartialSpecializationDecl *PrevDecl)
void setMemberSpecialization()
Note that this member template is a specialization.
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)
void setTemplateArgsAsWritten(const ASTTemplateArgumentListInfo *ArgsWritten)
Set the template argument list as written in the sources.
Complex values, per C99 6.2.5p11.
Declaration of a C++20 concept.
Expr * getConstraintExpr() const
bool isTypeConcept() const
ConceptDecl * getCanonicalDecl() override
Retrieves the "canonical" declaration of the given declaration.
static ConceptDecl * Create(ASTContext &C, DeclContext *DC, SourceLocation L, DeclarationName Name, TemplateParameterList *Params, Expr *ConstraintExpr=nullptr)
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...
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.
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
bool isNoreturnSpecified() const
SourceLocation getStorageClassSpecLoc() const
SCS getStorageClassSpec() const
SourceLocation getNoreturnSpecLoc() const
SourceLocation getExplicitSpecLoc() const
TSCS getThreadStorageClassSpec() const
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,...
FriendObjectKind getFriendObjectKind() const
Determines whether this declaration is the object of a friend declaration and, if so,...
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).
FunctionDecl * getAsFunction() LLVM_READONLY
Returns the function itself, or the templated function if this is a function template.
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.
virtual SourceRange getSourceRange() const LLVM_READONLY
Source range that this declaration covers.
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.
void setTypeSourceInfo(TypeSourceInfo *TI)
TypeSourceInfo * getTypeSourceInfo() const
Information about one declarator, including the parsed type information and the identifier.
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)
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.
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, SourceLocation EllipsisLoc={}, 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.
SourceLocation getPointOfInstantiation() const
Retrieve the (first) point of instantiation of a function template specialization or a member of a cl...
FunctionTemplateDecl * getPrimaryTemplate() const
Retrieve the primary template that this function template specialization either specializes or was in...
MemberSpecializationInfo * getMemberSpecializationInfo() const
If this function is an instantiation of a member function of a class template specialization,...
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.
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)
FunctionDecl * getInstantiatedFromMemberFunction() const
If this function is an instantiation of a member function of a class template specialization,...
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.
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.
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.
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.
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
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.
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 addOuterTemplateArguments(Decl *AssociatedDecl, ArgList Args, bool Final)
Add a new outmost level to the multi-level template argument list.
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.
const TemplateArgumentLoc & getDefaultArgument() const
Retrieve the default argument, if any.
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.
unsigned getDepth() const
Get the nesting depth of the template parameter.
void setPlaceholderTypeConstraint(Expr *E)
void setDefaultArgument(const ASTContext &C, const TemplateArgumentLoc &DefArg)
Set the default argument for this template parameter, and whether that default argument was inherited...
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.
OverloadCandidateSet - A set of overload candidates, used in C++ overload resolution (C++ 13....
OverloadCandidate & addCandidate(unsigned NumConversions=0, ConversionSequenceList Conversions=std::nullopt)
Add a new candidate with NumConversions conversion sequence slots to the overload set.
@ CSK_Normal
Normal lookup.
SmallVectorImpl< OverloadCandidate >::iterator iterator
void NoteCandidates(PartialDiagnosticAt PA, Sema &S, OverloadCandidateDisplayKind OCD, ArrayRef< Expr * > Args, StringRef Opc="", SourceLocation Loc=SourceLocation(), llvm::function_ref< bool(OverloadCandidate &)> Filter=[](OverloadCandidate &) { return true;})
When overload resolution fails, prints diagnostic messages containing the candidates in the candidate...
OverloadingResult BestViableFunction(Sema &S, SourceLocation Loc, OverloadCandidateSet::iterator &Best)
Find the best viable function on this overload set, if it exists.
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 parenthesized expression, e.g.
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...
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.
PartialDiagnostic PDiag(unsigned DiagID=0)
Build a partial 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)
QualType getCurrentThisType()
Try to retrieve the type of the 'this' pointer.
DeclResult ActOnClassTemplateSpecialization(Scope *S, unsigned TagSpec, TagUseKind TUK, SourceLocation KWLoc, SourceLocation ModulePrivateLoc, CXXScopeSpec &SS, TemplateIdAnnotation &TemplateId, const ParsedAttributesView &Attr, MultiTemplateParamsArg TemplateParameterLists, SkipBodyInfo *SkipBody=nullptr)
ConceptDecl * ActOnStartConceptDefinition(Scope *S, MultiTemplateParamsArg TemplateParameterLists, const IdentifierInfo *Name, SourceLocation NameLoc)
SmallVector< CodeSynthesisContext, 16 > CodeSynthesisContexts
List of active code synthesis contexts.
LocalInstantiationScope * CurrentInstantiationScope
The current instantiation scope used to store local variables.
TemplateArgumentLoc getTrivialTemplateArgumentLoc(const TemplateArgument &Arg, QualType NTTPType, SourceLocation Loc, NamedDecl *TemplateParam=nullptr)
Allocate a TemplateArgumentLoc where all locations have been initialized to the given location.
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 LookupTemplateName(LookupResult &R, Scope *S, CXXScopeSpec &SS, QualType ObjectType, bool EnteringContext, RequiredTemplateKind RequiredTemplate=SourceLocation(), AssumedTemplateKind *ATK=nullptr, bool AllowTypoCorrection=true)
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 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)
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 ...
FunctionDecl * getMoreConstrainedFunction(FunctionDecl *FD1, FunctionDecl *FD2)
Returns the more constrained function according to the rules of partial ordering by constraints (C++ ...
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 ...
ConceptDecl * ActOnFinishConceptDefinition(Scope *S, ConceptDecl *C, Expr *ConstraintExpr, const ParsedAttributesView &Attrs)
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.
bool CheckConceptUseInDefinition(ConceptDecl *Concept, SourceLocation Loc)
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...
DeclarationNameInfo GetNameForDeclarator(Declarator &D)
GetNameForDeclarator - Determine the full declaration name for the given Declarator.
DiagnosticsEngine & getDiagnostics() const
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
Check the redefinition in C++20 Modules.
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.
bool CheckTemplateTemplateArgument(TemplateTemplateParmDecl *Param, TemplateParameterList *Params, TemplateArgumentLoc &Arg, bool IsDeduced)
Check a template argument against its corresponding template template parameter.
TemplateParameterList * GetTemplateParameterList(TemplateDecl *TD)
Returns the template parameter list with all default template argument information.
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.
bool isTemplateTemplateParameterAtLeastAsSpecializedAs(TemplateParameterList *PParam, TemplateDecl *AArg, SourceLocation Loc, bool IsDeduced)
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={})
bool LookupParsedName(LookupResult &R, Scope *S, CXXScopeSpec *SS, QualType ObjectType, bool AllowBuiltinCreation=false, bool EnteringContext=false)
Performs name lookup for a name that was parsed in the source code, and may contain a C++ scope speci...
ExprResult BuildCXXFoldExpr(UnresolvedLookupExpr *Callee, SourceLocation LParenLoc, Expr *LHS, BinaryOperatorKind Operator, SourceLocation EllipsisLoc, Expr *RHS, SourceLocation RParenLoc, std::optional< unsigned > NumExpansions)
bool isPotentialImplicitMemberAccess(const CXXScopeSpec &SS, LookupResult &R, bool IsAddressOfOperand)
Check whether an expression might be an implicit class member access.
bool DiagnoseUnexpandedParameterPack(SourceLocation Loc, TypeSourceInfo *T, UnexpandedParameterPackContext UPPC)
If the given type contains an unexpanded parameter pack, diagnose the error.
bool 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 ...
bool CheckTemplateArgumentList(TemplateDecl *Template, SourceLocation TemplateLoc, TemplateArgumentListInfo &TemplateArgs, bool PartialTemplateArgs, SmallVectorImpl< TemplateArgument > &SugaredConverted, SmallVectorImpl< TemplateArgument > &CanonicalConverted, bool UpdateArgsWithConversions=true, bool *ConstraintsNotSatisfied=nullptr, bool PartialOrderingTTP=false)
Check that the given template arguments can be provided to the given template, converting the argumen...
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 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)
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 CheckFunctionConstraints(const FunctionDecl *FD, ConstraintSatisfaction &Satisfaction, SourceLocation UsageLoc=SourceLocation(), bool ForOverloadResolution=false)
Check whether the given function decl's trailing requires clause is satisfied, if any.
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)
ExprResult FixOverloadedFunctionReference(Expr *E, DeclAccessPair FoundDecl, FunctionDecl *Fn)
FixOverloadedFunctionReference - E is an expression that refers to a C++ overloaded function (possibl...
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,...
ExprResult BuildPossibleImplicitMemberExpr(const CXXScopeSpec &SS, SourceLocation TemplateKWLoc, LookupResult &R, const TemplateArgumentListInfo *TemplateArgs, const Scope *S)
Builds an expression which might be an implicit member expression.
DeclContext * computeDeclContext(QualType T)
Compute the DeclContext that is associated with the given type.
QualType 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)
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.
bool SubstTemplateArgument(const TemplateArgumentLoc &Input, const MultiLevelTemplateArgumentList &TemplateArgs, TemplateArgumentLoc &Output, SourceLocation Loc={}, const DeclarationName &Entity={})
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.
ExprResult BuildQualifiedTemplateIdExpr(CXXScopeSpec &SS, SourceLocation TemplateKWLoc, const DeclarationNameInfo &NameInfo, const TemplateArgumentListInfo *TemplateArgs, bool IsAddressOfOperand)
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...
@ Unevaluated
The current expression and its subexpressions occur within an unevaluated operand (C++11 [expr]p7),...
QualType BuildDecltypeType(Expr *E, bool AsUnevaluated=true)
If AsUnevaluated is false, E is treated as though it were an evaluated context, such as when building...
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.
bool LookupQualifiedName(LookupResult &R, DeclContext *LookupCtx, bool InUnqualifiedLookup=false)
Perform qualified name lookup into a given context.
bool CheckEquivalentExceptionSpec(FunctionDecl *Old, FunctionDecl *New)
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)
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)
ExprResult CreateRecoveryExpr(SourceLocation Begin, SourceLocation End, ArrayRef< Expr * > SubExprs, QualType T=QualType())
Attempts to produce a RecoveryExpr after some AST node cannot be created.
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)
A wrapper function for checking the semantic restrictions of a redeclaration within a module.
@ 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.
ExprResult BuildExpressionFromDeclTemplateArgument(const TemplateArgument &Arg, QualType ParamType, SourceLocation Loc, NamedDecl *TemplateParam=nullptr)
Given a non-type template argument that refers to a declaration and the type of its corresponding non...
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
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)
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...
bool isInstantiationDependent() const
Whether this template argument is dependent on a template parameter.
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...
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.
SourceLocation getDefaultArgumentLoc() const
Retrieves the location of the default argument declaration.
const TemplateArgumentLoc & getDefaultArgument() const
Retrieve the default argument, 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 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)
void setDefaultArgument(const ASTContext &C, const TemplateArgumentLoc &DefArg)
Set the default argument for this template parameter.
Wrapper for template type parameters.
TemplateTypeParmDecl * getDecl() const
unsigned getIndex() const
unsigned getDepth() const
Represents the declaration of a typedef-name via a C++11 alias-declaration.
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.
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 ...
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
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 isPointerOrReferenceType() const
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
QualType getUnderlyingType() 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.
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, bool KnownInstantiationDependent)
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,...
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...
static VarTemplatePartialSpecializationDecl * Create(ASTContext &Context, DeclContext *DC, SourceLocation StartLoc, SourceLocation IdLoc, TemplateParameterList *Params, VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo, StorageClass S, ArrayRef< TemplateArgument > Args)
void setMemberSpecialization()
Note that this member template is a specialization.
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.
void setTemplateArgsAsWritten(const ASTTemplateArgumentListInfo *ArgsWritten)
Set the template argument list as written in the sources.
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 * takeSugared()
Take ownership of the deduced template argument lists.
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)
@ OR_Deleted
Succeeded, but refers to a deleted function.
@ OR_Success
Overload resolution succeeded.
@ OR_Ambiguous
Ambiguous candidates found.
@ OR_No_Viable_Function
No viable function found.
@ Specialization
We are substituting template parameters for template arguments in order to form a template specializa...
bool isUnresolvedExceptionSpec(ExceptionSpecificationType ESpecType)
@ ovl_fail_constraints_not_satisfied
This candidate was not viable because its associated constraints were not satisfied.
OverloadCandidateDisplayKind
@ OCD_AmbiguousCandidates
Requests that only tied-for-best candidates be shown.
@ OCD_AllCandidates
Requests that all candidates be shown.
@ 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.
SourceLocation getEndLoc() const LLVM_READONLY
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.
OverloadCandidate - A single candidate in an overload set (C++ 13.3).
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.