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-rw-r--r--lib/Sema/SemaTemplateInstantiate.cpp329
1 files changed, 173 insertions, 156 deletions
diff --git a/lib/Sema/SemaTemplateInstantiate.cpp b/lib/Sema/SemaTemplateInstantiate.cpp
index a48e2466a84d..bc2ee42400b7 100644
--- a/lib/Sema/SemaTemplateInstantiate.cpp
+++ b/lib/Sema/SemaTemplateInstantiate.cpp
@@ -18,13 +18,14 @@
#include "clang/AST/ASTMutationListener.h"
#include "clang/AST/DeclTemplate.h"
#include "clang/AST/Expr.h"
+#include "clang/AST/PrettyDeclStackTrace.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Sema/DeclSpec.h"
#include "clang/Sema/Initialization.h"
#include "clang/Sema/Lookup.h"
-#include "clang/Sema/PrettyDeclStackTrace.h"
#include "clang/Sema/Template.h"
#include "clang/Sema/TemplateDeduction.h"
+#include "clang/Sema/TemplateInstCallback.h"
using namespace clang;
using namespace sema;
@@ -33,7 +34,7 @@ using namespace sema;
// Template Instantiation Support
//===----------------------------------------------------------------------===/
-/// \brief Retrieve the template argument list(s) that should be used to
+/// Retrieve the template argument list(s) that should be used to
/// instantiate the definition of the given declaration.
///
/// \param D the declaration for which we are computing template instantiation
@@ -199,6 +200,10 @@ bool Sema::CodeSynthesisContext::isInstantiationRecord() const {
case DeclaringSpecialMember:
case DefiningSynthesizedFunction:
return false;
+
+ // This function should never be called when Kind's value is Memoization.
+ case Memoization:
+ break;
}
llvm_unreachable("Invalid SynthesisKind!");
@@ -235,6 +240,7 @@ Sema::InstantiatingTemplate::InstantiatingTemplate(
!SemaRef.InstantiatingSpecializations
.insert(std::make_pair(Inst.Entity->getCanonicalDecl(), Inst.Kind))
.second;
+ atTemplateBegin(SemaRef.TemplateInstCallbacks, SemaRef, Inst);
}
}
@@ -394,8 +400,10 @@ void Sema::InstantiatingTemplate::Clear() {
std::make_pair(Active.Entity, Active.Kind));
}
- SemaRef.popCodeSynthesisContext();
+ atTemplateEnd(SemaRef.TemplateInstCallbacks, SemaRef,
+ SemaRef.CodeSynthesisContexts.back());
+ SemaRef.popCodeSynthesisContext();
Invalid = true;
}
}
@@ -419,7 +427,7 @@ bool Sema::InstantiatingTemplate::CheckInstantiationDepth(
return true;
}
-/// \brief Prints the current instantiation stack through a series of
+/// Prints the current instantiation stack through a series of
/// notes.
void Sema::PrintInstantiationStack() {
// Determine which template instantiations to skip, if any.
@@ -626,7 +634,7 @@ void Sema::PrintInstantiationStack() {
<< cast<CXXRecordDecl>(Active->Entity) << Active->SpecialMember;
break;
- case CodeSynthesisContext::DefiningSynthesizedFunction:
+ case CodeSynthesisContext::DefiningSynthesizedFunction: {
// FIXME: For synthesized members other than special members, produce a note.
auto *MD = dyn_cast<CXXMethodDecl>(Active->Entity);
auto CSM = MD ? getSpecialMember(MD) : CXXInvalid;
@@ -637,6 +645,10 @@ void Sema::PrintInstantiationStack() {
}
break;
}
+
+ case CodeSynthesisContext::Memoization:
+ break;
+ }
}
}
@@ -682,6 +694,9 @@ Optional<TemplateDeductionInfo *> Sema::isSFINAEContext() const {
// This happens in a context unrelated to template instantiation, so
// there is no SFINAE.
return None;
+
+ case CodeSynthesisContext::Memoization:
+ break;
}
// The inner context was transparent for SFINAE. If it occurred within a
@@ -693,19 +708,6 @@ Optional<TemplateDeductionInfo *> Sema::isSFINAEContext() const {
return None;
}
-/// \brief Retrieve the depth and index of a parameter pack.
-static std::pair<unsigned, unsigned>
-getDepthAndIndex(NamedDecl *ND) {
- if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(ND))
- return std::make_pair(TTP->getDepth(), TTP->getIndex());
-
- if (NonTypeTemplateParmDecl *NTTP = dyn_cast<NonTypeTemplateParmDecl>(ND))
- return std::make_pair(NTTP->getDepth(), NTTP->getIndex());
-
- TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(ND);
- return std::make_pair(TTP->getDepth(), TTP->getIndex());
-}
-
//===----------------------------------------------------------------------===/
// Template Instantiation for Types
//===----------------------------------------------------------------------===/
@@ -725,20 +727,20 @@ namespace {
: inherited(SemaRef), TemplateArgs(TemplateArgs), Loc(Loc),
Entity(Entity) { }
- /// \brief Determine whether the given type \p T has already been
+ /// Determine whether the given type \p T has already been
/// transformed.
///
/// For the purposes of template instantiation, a type has already been
/// transformed if it is NULL or if it is not dependent.
bool AlreadyTransformed(QualType T);
- /// \brief Returns the location of the entity being instantiated, if known.
+ /// Returns the location of the entity being instantiated, if known.
SourceLocation getBaseLocation() { return Loc; }
- /// \brief Returns the name of the entity being instantiated, if any.
+ /// Returns the name of the entity being instantiated, if any.
DeclarationName getBaseEntity() { return Entity; }
- /// \brief Sets the "base" location and entity when that
+ /// Sets the "base" location and entity when that
/// information is known based on another transformation.
void setBase(SourceLocation Loc, DeclarationName Entity) {
this->Loc = Loc;
@@ -793,7 +795,7 @@ namespace {
}
}
- /// \brief Transform the given declaration by instantiating a reference to
+ /// Transform the given declaration by instantiating a reference to
/// this declaration.
Decl *TransformDecl(SourceLocation Loc, Decl *D);
@@ -824,15 +826,15 @@ namespace {
SemaRef.PerformDependentDiagnostics(DC, TemplateArgs);
}
- /// \brief Transform the definition of the given declaration by
+ /// Transform the definition of the given declaration by
/// instantiating it.
Decl *TransformDefinition(SourceLocation Loc, Decl *D);
- /// \brief Transform the first qualifier within a scope by instantiating the
+ /// Transform the first qualifier within a scope by instantiating the
/// declaration.
NamedDecl *TransformFirstQualifierInScope(NamedDecl *D, SourceLocation Loc);
- /// \brief Rebuild the exception declaration and register the declaration
+ /// Rebuild the exception declaration and register the declaration
/// as an instantiated local.
VarDecl *RebuildExceptionDecl(VarDecl *ExceptionDecl,
TypeSourceInfo *Declarator,
@@ -840,12 +842,12 @@ namespace {
SourceLocation NameLoc,
IdentifierInfo *Name);
- /// \brief Rebuild the Objective-C exception declaration and register the
+ /// Rebuild the Objective-C exception declaration and register the
/// declaration as an instantiated local.
VarDecl *RebuildObjCExceptionDecl(VarDecl *ExceptionDecl,
TypeSourceInfo *TSInfo, QualType T);
- /// \brief Check for tag mismatches when instantiating an
+ /// Check for tag mismatches when instantiating an
/// elaborated type.
QualType RebuildElaboratedType(SourceLocation KeywordLoc,
ElaboratedTypeKeyword Keyword,
@@ -870,14 +872,14 @@ namespace {
ExprResult TransformSubstNonTypeTemplateParmPackExpr(
SubstNonTypeTemplateParmPackExpr *E);
- /// \brief Rebuild a DeclRefExpr for a ParmVarDecl reference.
+ /// Rebuild a DeclRefExpr for a ParmVarDecl reference.
ExprResult RebuildParmVarDeclRefExpr(ParmVarDecl *PD, SourceLocation Loc);
- /// \brief Transform a reference to a function parameter pack.
+ /// Transform a reference to a function parameter pack.
ExprResult TransformFunctionParmPackRefExpr(DeclRefExpr *E,
ParmVarDecl *PD);
- /// \brief Transform a FunctionParmPackExpr which was built when we couldn't
+ /// Transform a FunctionParmPackExpr which was built when we couldn't
/// expand a function parameter pack reference which refers to an expanded
/// pack.
ExprResult TransformFunctionParmPackExpr(FunctionParmPackExpr *E);
@@ -900,12 +902,12 @@ namespace {
Optional<unsigned> NumExpansions,
bool ExpectParameterPack);
- /// \brief Transforms a template type parameter type by performing
+ /// Transforms a template type parameter type by performing
/// substitution of the corresponding template type argument.
QualType TransformTemplateTypeParmType(TypeLocBuilder &TLB,
TemplateTypeParmTypeLoc TL);
- /// \brief Transforms an already-substituted template type parameter pack
+ /// Transforms an already-substituted template type parameter pack
/// into either itself (if we aren't substituting into its pack expansion)
/// or the appropriate substituted argument.
QualType TransformSubstTemplateTypeParmPackType(TypeLocBuilder &TLB,
@@ -1197,11 +1199,11 @@ TemplateInstantiator::TransformTemplateParmRefExpr(DeclRefExpr *E,
NTTP->getDeclName());
if (TargetType.isNull())
return ExprError();
-
- return new (SemaRef.Context) SubstNonTypeTemplateParmPackExpr(TargetType,
- NTTP,
- E->getLocation(),
- Arg);
+
+ return new (SemaRef.Context) SubstNonTypeTemplateParmPackExpr(
+ TargetType.getNonLValueExprType(SemaRef.Context),
+ TargetType->isReferenceType() ? VK_LValue : VK_RValue, NTTP,
+ E->getLocation(), Arg);
}
Arg = getPackSubstitutedTemplateArgument(getSema(), Arg);
@@ -1246,7 +1248,7 @@ ExprResult TemplateInstantiator::transformNonTypeTemplateParmRef(
arg.getKind() == TemplateArgument::NullPtr) {
ValueDecl *VD;
if (arg.getKind() == TemplateArgument::Declaration) {
- VD = cast<ValueDecl>(arg.getAsDecl());
+ VD = arg.getAsDecl();
// Find the instantiation of the template argument. This is
// required for nested templates.
@@ -1525,7 +1527,7 @@ TemplateInstantiator::TransformSubstTemplateTypeParmPackType(
return Result;
}
-/// \brief Perform substitution on the type T with a given set of template
+/// Perform substitution on the type T with a given set of template
/// arguments.
///
/// This routine substitutes the given template arguments into the
@@ -1820,7 +1822,7 @@ ParmVarDecl *Sema::SubstParmVarDecl(ParmVarDecl *OldParm,
return NewParm;
}
-/// \brief Substitute the given template arguments into the given set of
+/// Substitute the given template arguments into the given set of
/// parameters, producing the set of parameter types that would be generated
/// from such a substitution.
bool Sema::SubstParmTypes(
@@ -1840,7 +1842,7 @@ bool Sema::SubstParmTypes(
Loc, Params, nullptr, ExtParamInfos, ParamTypes, OutParams, ParamInfos);
}
-/// \brief Perform substitution on the base class specifiers of the
+/// Perform substitution on the base class specifiers of the
/// given class template specialization.
///
/// Produces a diagnostic and returns true on error, returns false and
@@ -1960,7 +1962,7 @@ namespace clang {
}
}
-/// \brief Instantiate the definition of a class from a given pattern.
+/// Instantiate the definition of a class from a given pattern.
///
/// \param PointOfInstantiation The point of instantiation within the
/// source code.
@@ -1996,7 +1998,7 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
return true;
Pattern = PatternDef;
- // \brief Record the point of instantiation.
+ // Record the point of instantiation.
if (MemberSpecializationInfo *MSInfo
= Instantiation->getMemberSpecializationInfo()) {
MSInfo->setTemplateSpecializationKind(TSK);
@@ -2011,7 +2013,7 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
if (Inst.isInvalid())
return true;
assert(!Inst.isAlreadyInstantiating() && "should have been caught by caller");
- PrettyDeclStackTraceEntry CrashInfo(*this, Instantiation, SourceLocation(),
+ PrettyDeclStackTraceEntry CrashInfo(Context, Instantiation, SourceLocation(),
"instantiating class definition");
// Enter the scope of this instantiation. We don't use
@@ -2068,6 +2070,11 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
if (Member->getDeclContext() != Pattern)
continue;
+ // BlockDecls can appear in a default-member-initializer. They must be the
+ // child of a BlockExpr, so we only know how to instantiate them from there.
+ if (isa<BlockDecl>(Member))
+ continue;
+
if (Member->isInvalidDecl()) {
Instantiation->setInvalidDecl();
continue;
@@ -2110,7 +2117,7 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
// Finish checking fields.
ActOnFields(nullptr, Instantiation->getLocation(), Instantiation, Fields,
- SourceLocation(), SourceLocation(), nullptr);
+ SourceLocation(), SourceLocation(), ParsedAttributesView());
CheckCompletedCXXClass(Instantiation);
// Default arguments are parsed, if not instantiated. We can go instantiate
@@ -2196,7 +2203,7 @@ Sema::InstantiateClass(SourceLocation PointOfInstantiation,
return Instantiation->isInvalidDecl();
}
-/// \brief Instantiate the definition of an enum from a given pattern.
+/// Instantiate the definition of an enum from a given pattern.
///
/// \param PointOfInstantiation The point of instantiation within the
/// source code.
@@ -2234,7 +2241,7 @@ bool Sema::InstantiateEnum(SourceLocation PointOfInstantiation,
return true;
if (Inst.isAlreadyInstantiating())
return false;
- PrettyDeclStackTraceEntry CrashInfo(*this, Instantiation, SourceLocation(),
+ PrettyDeclStackTraceEntry CrashInfo(Context, Instantiation, SourceLocation(),
"instantiating enum definition");
// The instantiation is visible here, even if it was first declared in an
@@ -2262,7 +2269,7 @@ bool Sema::InstantiateEnum(SourceLocation PointOfInstantiation,
}
-/// \brief Instantiate the definition of a field from the given pattern.
+/// Instantiate the definition of a field from the given pattern.
///
/// \param PointOfInstantiation The point of instantiation within the
/// source code.
@@ -2310,7 +2317,7 @@ bool Sema::InstantiateInClassInitializer(
<< Instantiation;
return true;
}
- PrettyDeclStackTraceEntry CrashInfo(*this, Instantiation, SourceLocation(),
+ PrettyDeclStackTraceEntry CrashInfo(Context, Instantiation, SourceLocation(),
"instantiating default member init");
// Enter the scope of this instantiation. We don't use PushDeclContext because
@@ -2340,7 +2347,7 @@ bool Sema::InstantiateInClassInitializer(
}
namespace {
- /// \brief A partial specialization whose template arguments have matched
+ /// A partial specialization whose template arguments have matched
/// a given template-id.
struct PartialSpecMatchResult {
ClassTemplatePartialSpecializationDecl *Partial;
@@ -2379,127 +2386,137 @@ getPatternForClassTemplateSpecialization(
if (Inst.isInvalid() || Inst.isAlreadyInstantiating())
return nullptr;
- ClassTemplateDecl *Template = ClassTemplateSpec->getSpecializedTemplate();
- CXXRecordDecl *Pattern = nullptr;
-
- // C++ [temp.class.spec.match]p1:
- // When a class template is used in a context that requires an
- // instantiation of the class, it is necessary to determine
- // whether the instantiation is to be generated using the primary
- // template or one of the partial specializations. This is done by
- // matching the template arguments of the class template
- // specialization with the template argument lists of the partial
- // specializations.
- typedef PartialSpecMatchResult MatchResult;
- SmallVector<MatchResult, 4> Matched;
- SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs;
- Template->getPartialSpecializations(PartialSpecs);
- TemplateSpecCandidateSet FailedCandidates(PointOfInstantiation);
- for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) {
- ClassTemplatePartialSpecializationDecl *Partial = PartialSpecs[I];
- TemplateDeductionInfo Info(FailedCandidates.getLocation());
- if (Sema::TemplateDeductionResult Result = S.DeduceTemplateArguments(
- Partial, ClassTemplateSpec->getTemplateArgs(), Info)) {
- // Store the failed-deduction information for use in diagnostics, later.
- // TODO: Actually use the failed-deduction info?
- FailedCandidates.addCandidate().set(
- DeclAccessPair::make(Template, AS_public), Partial,
- MakeDeductionFailureInfo(S.Context, Result, Info));
- (void)Result;
- } else {
- Matched.push_back(PartialSpecMatchResult());
- Matched.back().Partial = Partial;
- Matched.back().Args = Info.take();
+ llvm::PointerUnion<ClassTemplateDecl *,
+ ClassTemplatePartialSpecializationDecl *>
+ Specialized = ClassTemplateSpec->getSpecializedTemplateOrPartial();
+ if (!Specialized.is<ClassTemplatePartialSpecializationDecl *>()) {
+ // Find best matching specialization.
+ ClassTemplateDecl *Template = ClassTemplateSpec->getSpecializedTemplate();
+
+ // C++ [temp.class.spec.match]p1:
+ // When a class template is used in a context that requires an
+ // instantiation of the class, it is necessary to determine
+ // whether the instantiation is to be generated using the primary
+ // template or one of the partial specializations. This is done by
+ // matching the template arguments of the class template
+ // specialization with the template argument lists of the partial
+ // specializations.
+ typedef PartialSpecMatchResult MatchResult;
+ SmallVector<MatchResult, 4> Matched;
+ SmallVector<ClassTemplatePartialSpecializationDecl *, 4> PartialSpecs;
+ Template->getPartialSpecializations(PartialSpecs);
+ TemplateSpecCandidateSet FailedCandidates(PointOfInstantiation);
+ for (unsigned I = 0, N = PartialSpecs.size(); I != N; ++I) {
+ ClassTemplatePartialSpecializationDecl *Partial = PartialSpecs[I];
+ TemplateDeductionInfo Info(FailedCandidates.getLocation());
+ if (Sema::TemplateDeductionResult Result = S.DeduceTemplateArguments(
+ Partial, ClassTemplateSpec->getTemplateArgs(), Info)) {
+ // Store the failed-deduction information for use in diagnostics, later.
+ // TODO: Actually use the failed-deduction info?
+ FailedCandidates.addCandidate().set(
+ DeclAccessPair::make(Template, AS_public), Partial,
+ MakeDeductionFailureInfo(S.Context, Result, Info));
+ (void)Result;
+ } else {
+ Matched.push_back(PartialSpecMatchResult());
+ Matched.back().Partial = Partial;
+ Matched.back().Args = Info.take();
+ }
}
- }
- // If we're dealing with a member template where the template parameters
- // have been instantiated, this provides the original template parameters
- // from which the member template's parameters were instantiated.
+ // If we're dealing with a member template where the template parameters
+ // have been instantiated, this provides the original template parameters
+ // from which the member template's parameters were instantiated.
- if (Matched.size() >= 1) {
- SmallVectorImpl<MatchResult>::iterator Best = Matched.begin();
- if (Matched.size() == 1) {
- // -- If exactly one matching specialization is found, the
- // instantiation is generated from that specialization.
- // We don't need to do anything for this.
- } else {
- // -- If more than one matching specialization is found, the
- // partial order rules (14.5.4.2) are used to determine
- // whether one of the specializations is more specialized
- // than the others. If none of the specializations is more
- // specialized than all of the other matching
- // specializations, then the use of the class template is
- // ambiguous and the program is ill-formed.
- for (SmallVectorImpl<MatchResult>::iterator P = Best + 1,
- PEnd = Matched.end();
- P != PEnd; ++P) {
- if (S.getMoreSpecializedPartialSpecialization(
- P->Partial, Best->Partial, PointOfInstantiation) == P->Partial)
- Best = P;
- }
-
- // Determine if the best partial specialization is more specialized than
- // the others.
- bool Ambiguous = false;
- for (SmallVectorImpl<MatchResult>::iterator P = Matched.begin(),
- PEnd = Matched.end();
- P != PEnd; ++P) {
- if (P != Best &&
- S.getMoreSpecializedPartialSpecialization(P->Partial, Best->Partial,
- PointOfInstantiation) !=
- Best->Partial) {
- Ambiguous = true;
- break;
+ if (Matched.size() >= 1) {
+ SmallVectorImpl<MatchResult>::iterator Best = Matched.begin();
+ if (Matched.size() == 1) {
+ // -- If exactly one matching specialization is found, the
+ // instantiation is generated from that specialization.
+ // We don't need to do anything for this.
+ } else {
+ // -- If more than one matching specialization is found, the
+ // partial order rules (14.5.4.2) are used to determine
+ // whether one of the specializations is more specialized
+ // than the others. If none of the specializations is more
+ // specialized than all of the other matching
+ // specializations, then the use of the class template is
+ // ambiguous and the program is ill-formed.
+ for (SmallVectorImpl<MatchResult>::iterator P = Best + 1,
+ PEnd = Matched.end();
+ P != PEnd; ++P) {
+ if (S.getMoreSpecializedPartialSpecialization(
+ P->Partial, Best->Partial, PointOfInstantiation) ==
+ P->Partial)
+ Best = P;
}
- }
-
- if (Ambiguous) {
- // Partial ordering did not produce a clear winner. Complain.
- Inst.Clear();
- ClassTemplateSpec->setInvalidDecl();
- S.Diag(PointOfInstantiation, diag::err_partial_spec_ordering_ambiguous)
- << ClassTemplateSpec;
-
- // Print the matching partial specializations.
+
+ // Determine if the best partial specialization is more specialized than
+ // the others.
+ bool Ambiguous = false;
for (SmallVectorImpl<MatchResult>::iterator P = Matched.begin(),
PEnd = Matched.end();
- P != PEnd; ++P)
- S.Diag(P->Partial->getLocation(), diag::note_partial_spec_match)
- << S.getTemplateArgumentBindingsText(
- P->Partial->getTemplateParameters(), *P->Args);
+ P != PEnd; ++P) {
+ if (P != Best && S.getMoreSpecializedPartialSpecialization(
+ P->Partial, Best->Partial,
+ PointOfInstantiation) != Best->Partial) {
+ Ambiguous = true;
+ break;
+ }
+ }
+
+ if (Ambiguous) {
+ // Partial ordering did not produce a clear winner. Complain.
+ Inst.Clear();
+ ClassTemplateSpec->setInvalidDecl();
+ S.Diag(PointOfInstantiation,
+ diag::err_partial_spec_ordering_ambiguous)
+ << ClassTemplateSpec;
+
+ // Print the matching partial specializations.
+ for (SmallVectorImpl<MatchResult>::iterator P = Matched.begin(),
+ PEnd = Matched.end();
+ P != PEnd; ++P)
+ S.Diag(P->Partial->getLocation(), diag::note_partial_spec_match)
+ << S.getTemplateArgumentBindingsText(
+ P->Partial->getTemplateParameters(), *P->Args);
- return nullptr;
+ return nullptr;
+ }
}
+
+ ClassTemplateSpec->setInstantiationOf(Best->Partial, Best->Args);
+ } else {
+ // -- If no matches are found, the instantiation is generated
+ // from the primary template.
}
-
+ }
+
+ CXXRecordDecl *Pattern = nullptr;
+ Specialized = ClassTemplateSpec->getSpecializedTemplateOrPartial();
+ if (auto *PartialSpec =
+ Specialized.dyn_cast<ClassTemplatePartialSpecializationDecl *>()) {
// Instantiate using the best class template partial specialization.
- ClassTemplatePartialSpecializationDecl *OrigPartialSpec = Best->Partial;
- while (OrigPartialSpec->getInstantiatedFromMember()) {
+ while (PartialSpec->getInstantiatedFromMember()) {
// If we've found an explicit specialization of this class template,
// stop here and use that as the pattern.
- if (OrigPartialSpec->isMemberSpecialization())
+ if (PartialSpec->isMemberSpecialization())
break;
-
- OrigPartialSpec = OrigPartialSpec->getInstantiatedFromMember();
+
+ PartialSpec = PartialSpec->getInstantiatedFromMember();
}
-
- Pattern = OrigPartialSpec;
- ClassTemplateSpec->setInstantiationOf(Best->Partial, Best->Args);
+ Pattern = PartialSpec;
} else {
- // -- If no matches are found, the instantiation is generated
- // from the primary template.
- ClassTemplateDecl *OrigTemplate = Template;
- while (OrigTemplate->getInstantiatedFromMemberTemplate()) {
+ ClassTemplateDecl *Template = ClassTemplateSpec->getSpecializedTemplate();
+ while (Template->getInstantiatedFromMemberTemplate()) {
// If we've found an explicit specialization of this class template,
// stop here and use that as the pattern.
- if (OrigTemplate->isMemberSpecialization())
+ if (Template->isMemberSpecialization())
break;
-
- OrigTemplate = OrigTemplate->getInstantiatedFromMemberTemplate();
+
+ Template = Template->getInstantiatedFromMemberTemplate();
}
-
- Pattern = OrigTemplate->getTemplatedDecl();
+ Pattern = Template->getTemplatedDecl();
}
return Pattern;
@@ -2525,7 +2542,7 @@ bool Sema::InstantiateClassTemplateSpecialization(
Complain);
}
-/// \brief Instantiates the definitions of all of the member
+/// Instantiates the definitions of all of the member
/// of the given class, which is an instantiation of a class template
/// or a member class of a template.
void
@@ -2732,7 +2749,7 @@ Sema::InstantiateClassMembers(SourceLocation PointOfInstantiation,
}
}
-/// \brief Instantiate the definitions of all of the members of the
+/// Instantiate the definitions of all of the members of the
/// given class template specialization, which was named as part of an
/// explicit instantiation.
void
@@ -2808,7 +2825,7 @@ Sema::SubstNestedNameSpecifierLoc(NestedNameSpecifierLoc NNS,
return Instantiator.TransformNestedNameSpecifierLoc(NNS);
}
-/// \brief Do template substitution on declaration name info.
+/// Do template substitution on declaration name info.
DeclarationNameInfo
Sema::SubstDeclarationNameInfo(const DeclarationNameInfo &NameInfo,
const MultiLevelTemplateArgumentList &TemplateArgs) {