[clang] [Clang] Unify interface for accessing template arguments as written for class/variable template specializations (PR #81642)
Krystian Stasiowski via cfe-commits
cfe-commits at lists.llvm.org
Tue Feb 13 10:18:57 PST 2024
https://github.com/sdkrystian created https://github.com/llvm/llvm-project/pull/81642
Our current method of storing the template arguments as written for `(Class/Var)Template(Partial)SpecializationDecl` suffers from a number of flaws:
- We use `TypeSourceInfo` to store `TemplateArgumentLocs` for class template/variable template partial/explicit specializations. For variable template specializations, this is a rather unintuitive hack (as we store a non-type specialization as a type). Moreover, we don't ever *need* the type as written -- in almost all cases, we only want the template arguments (e.g. in tooling use-cases).
- The template arguments as written are stored in a number of redundant data members. For example, `(Class/Var)TemplatePartialSpecialization` have their own `ArgsAsWritten` member that stores an `ASTTemplateArgumentListInfo` (the template arguments). `VarTemplateSpecializationDecl` has yet _another_ redundant member "`TemplateArgsInfo`" that also stores an `ASTTemplateArgumentListInfo`.
This patch eliminates all `(Class/Var)Template(Partial)SpecializationDecl` members which store the template arguments as written, and turns the `ExplicitInfo` member into a `llvm::PointerUnion<const ASTTemplateArgumentListInfo*, ExplicitInstantiationInfo*>` (to avoid unnecessary allocations when the declaration isn't an explicit instantiation). The template arguments as written are now accessed via `getTemplateArgsWritten` in all cases.
This patch is near-complete. I still need to eliminate any instances of the template keyword location being stored for non-explicit-instantiation declarations (since we already store the outer template parameter lists). With respect to the clang Index tests, I still need to update the tests such that we check for references to entities in the explicit template argument list of specializations.
The "most breaking" change is to AST Matchers, insofar that `hasTypeLoc` will no longer match class template specializations (since they no longer store the type as written). I wasn't entirely sure what to replace the tests for this behavior with, so I just commented them out... guidance/feedback would be appreciated on this.
>From 582e5be1154dbb229e0c1d2948aa1bd63dee44e5 Mon Sep 17 00:00:00 2001
From: Krystian Stasiowski <sdkrystian at gmail.com>
Date: Fri, 9 Feb 2024 14:00:49 -0500
Subject: [PATCH] [Clang] Unify interface for accessing template arguments as
written for class/variable template specializations
---
clang/include/clang/AST/DeclTemplate.h | 186 ++++++++----------
clang/include/clang/AST/RecursiveASTVisitor.h | 27 +--
clang/include/clang/ASTMatchers/ASTMatchers.h | 7 +-
.../clang/ASTMatchers/ASTMatchersInternal.h | 4 -
clang/lib/AST/ASTImporter.cpp | 55 +++---
clang/lib/AST/DeclPrinter.cpp | 15 +-
clang/lib/AST/DeclTemplate.cpp | 145 ++++++++------
clang/lib/AST/TypePrinter.cpp | 24 +--
clang/lib/Index/IndexDecl.cpp | 9 +-
clang/lib/Sema/Sema.cpp | 2 +-
clang/lib/Sema/SemaTemplate.cpp | 47 ++---
.../lib/Sema/SemaTemplateInstantiateDecl.cpp | 155 ++++++---------
clang/lib/Serialization/ASTReaderDecl.cpp | 20 +-
clang/lib/Serialization/ASTWriterDecl.cpp | 16 +-
clang/test/AST/ast-dump-template-decls.cpp | 18 +-
clang/test/CXX/drs/dr7xx.cpp | 2 +-
clang/test/Index/Core/index-source.cpp | 11 --
clang/test/Index/index-refs.cpp | 1 -
clang/tools/libclang/CIndex.cpp | 29 ++-
.../ASTMatchers/ASTMatchersNodeTest.cpp | 12 --
.../ASTMatchers/ASTMatchersTraversalTest.cpp | 18 +-
21 files changed, 361 insertions(+), 442 deletions(-)
diff --git a/clang/include/clang/AST/DeclTemplate.h b/clang/include/clang/AST/DeclTemplate.h
index e3b6a7efb1127a..b5c2d459715120 100644
--- a/clang/include/clang/AST/DeclTemplate.h
+++ b/clang/include/clang/AST/DeclTemplate.h
@@ -1792,10 +1792,9 @@ class ClassTemplateSpecializationDecl
llvm::PointerUnion<ClassTemplateDecl *, SpecializedPartialSpecialization *>
SpecializedTemplate;
- /// Further info for explicit template specialization/instantiation.
- struct ExplicitSpecializationInfo {
- /// The type-as-written.
- TypeSourceInfo *TypeAsWritten = nullptr;
+ struct ExplicitInstantiationInfo {
+ /// The template arguments as written..
+ const ASTTemplateArgumentListInfo *TemplateArgsAsWritten = nullptr;
/// The location of the extern keyword.
SourceLocation ExternLoc;
@@ -1803,12 +1802,14 @@ class ClassTemplateSpecializationDecl
/// The location of the template keyword.
SourceLocation TemplateKeywordLoc;
- ExplicitSpecializationInfo() = default;
+ ExplicitInstantiationInfo() = default;
};
/// Further info for explicit template specialization/instantiation.
/// Does not apply to implicit specializations.
- ExplicitSpecializationInfo *ExplicitInfo = nullptr;
+ llvm::PointerUnion<const ASTTemplateArgumentListInfo *,
+ ExplicitInstantiationInfo *>
+ ExplicitInfo = nullptr;
/// The template arguments used to describe this specialization.
const TemplateArgumentList *TemplateArgs;
@@ -1985,44 +1986,45 @@ class ClassTemplateSpecializationDecl
SpecializedTemplate = TemplDecl;
}
- /// Sets the type of this specialization as it was written by
- /// the user. This will be a class template specialization type.
- void setTypeAsWritten(TypeSourceInfo *T) {
- if (!ExplicitInfo)
- ExplicitInfo = new (getASTContext()) ExplicitSpecializationInfo;
- ExplicitInfo->TypeAsWritten = T;
- }
-
- /// Gets the type of this specialization as it was written by
- /// the user, if it was so written.
- TypeSourceInfo *getTypeAsWritten() const {
- return ExplicitInfo ? ExplicitInfo->TypeAsWritten : nullptr;
+ const ASTTemplateArgumentListInfo *getTemplateArgsAsWritten() const {
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ return Info->TemplateArgsAsWritten;
+ return ExplicitInfo.get<const ASTTemplateArgumentListInfo *>();
}
/// Gets the location of the extern keyword, if present.
SourceLocation getExternLoc() const {
- return ExplicitInfo ? ExplicitInfo->ExternLoc : SourceLocation();
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ return Info->ExternLoc;
+ return SourceLocation();
}
- /// Sets the location of the extern keyword.
- void setExternLoc(SourceLocation Loc) {
- if (!ExplicitInfo)
- ExplicitInfo = new (getASTContext()) ExplicitSpecializationInfo;
- ExplicitInfo->ExternLoc = Loc;
+ /// Gets the location of the template keyword, if present.
+ SourceLocation getTemplateKeywordLoc() const {
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ return Info->TemplateKeywordLoc;
+ return SourceLocation();
}
- /// Sets the location of the template keyword.
- void setTemplateKeywordLoc(SourceLocation Loc) {
- if (!ExplicitInfo)
- ExplicitInfo = new (getASTContext()) ExplicitSpecializationInfo;
- ExplicitInfo->TemplateKeywordLoc = Loc;
+ void
+ setTemplateArgsAsWritten(const ASTTemplateArgumentListInfo *ArgsWritten) {
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ Info->TemplateArgsAsWritten = ArgsWritten;
+ else
+ ExplicitInfo = ArgsWritten;
}
- /// Gets the location of the template keyword, if present.
- SourceLocation getTemplateKeywordLoc() const {
- return ExplicitInfo ? ExplicitInfo->TemplateKeywordLoc : SourceLocation();
+ void setTemplateArgsAsWritten(const TemplateArgumentListInfo &ArgsInfo) {
+ setTemplateArgsAsWritten(
+ ASTTemplateArgumentListInfo::Create(getASTContext(), ArgsInfo));
}
+ /// Sets the location of the extern keyword.
+ void setExternLoc(SourceLocation Loc);
+
+ /// Sets the location of the template keyword.
+ void setTemplateKeywordLoc(SourceLocation Loc);
+
SourceRange getSourceRange() const override LLVM_READONLY;
void Profile(llvm::FoldingSetNodeID &ID) const {
@@ -2050,10 +2052,6 @@ class ClassTemplatePartialSpecializationDecl
/// The list of template parameters
TemplateParameterList* TemplateParams = nullptr;
- /// The source info for the template arguments as written.
- /// FIXME: redundant with TypeAsWritten?
- const ASTTemplateArgumentListInfo *ArgsAsWritten = nullptr;
-
/// The class template partial specialization from which this
/// class template partial specialization was instantiated.
///
@@ -2062,15 +2060,11 @@ class ClassTemplatePartialSpecializationDecl
llvm::PointerIntPair<ClassTemplatePartialSpecializationDecl *, 1, bool>
InstantiatedFromMember;
- ClassTemplatePartialSpecializationDecl(ASTContext &Context, TagKind TK,
- DeclContext *DC,
- SourceLocation StartLoc,
- SourceLocation IdLoc,
- TemplateParameterList *Params,
- ClassTemplateDecl *SpecializedTemplate,
- ArrayRef<TemplateArgument> Args,
- const ASTTemplateArgumentListInfo *ArgsAsWritten,
- ClassTemplatePartialSpecializationDecl *PrevDecl);
+ ClassTemplatePartialSpecializationDecl(
+ ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc,
+ SourceLocation IdLoc, TemplateParameterList *Params,
+ ClassTemplateDecl *SpecializedTemplate, ArrayRef<TemplateArgument> Args,
+ ClassTemplatePartialSpecializationDecl *PrevDecl);
ClassTemplatePartialSpecializationDecl(ASTContext &C)
: ClassTemplateSpecializationDecl(C, ClassTemplatePartialSpecialization),
@@ -2085,11 +2079,8 @@ class ClassTemplatePartialSpecializationDecl
static ClassTemplatePartialSpecializationDecl *
Create(ASTContext &Context, TagKind TK, DeclContext *DC,
SourceLocation StartLoc, SourceLocation IdLoc,
- TemplateParameterList *Params,
- ClassTemplateDecl *SpecializedTemplate,
- ArrayRef<TemplateArgument> Args,
- const TemplateArgumentListInfo &ArgInfos,
- QualType CanonInjectedType,
+ TemplateParameterList *Params, ClassTemplateDecl *SpecializedTemplate,
+ ArrayRef<TemplateArgument> Args, QualType CanonInjectedType,
ClassTemplatePartialSpecializationDecl *PrevDecl);
static ClassTemplatePartialSpecializationDecl *
@@ -2120,11 +2111,6 @@ class ClassTemplatePartialSpecializationDecl
return TemplateParams->hasAssociatedConstraints();
}
- /// Get the template arguments as written.
- const ASTTemplateArgumentListInfo *getTemplateArgsAsWritten() const {
- return ArgsAsWritten;
- }
-
/// Retrieve the member class template partial specialization from
/// which this particular class template partial specialization was
/// instantiated.
@@ -2596,10 +2582,9 @@ class VarTemplateSpecializationDecl : public VarDecl,
llvm::PointerUnion<VarTemplateDecl *, SpecializedPartialSpecialization *>
SpecializedTemplate;
- /// Further info for explicit template specialization/instantiation.
- struct ExplicitSpecializationInfo {
- /// The type-as-written.
- TypeSourceInfo *TypeAsWritten = nullptr;
+ struct ExplicitInstantiationInfo {
+ /// The template arguments as written..
+ const ASTTemplateArgumentListInfo *TemplateArgsAsWritten = nullptr;
/// The location of the extern keyword.
SourceLocation ExternLoc;
@@ -2607,12 +2592,14 @@ class VarTemplateSpecializationDecl : public VarDecl,
/// The location of the template keyword.
SourceLocation TemplateKeywordLoc;
- ExplicitSpecializationInfo() = default;
+ ExplicitInstantiationInfo() = default;
};
/// Further info for explicit template specialization/instantiation.
/// Does not apply to implicit specializations.
- ExplicitSpecializationInfo *ExplicitInfo = nullptr;
+ llvm::PointerUnion<const ASTTemplateArgumentListInfo *,
+ ExplicitInstantiationInfo *>
+ ExplicitInfo = nullptr;
/// The template arguments used to describe this specialization.
const TemplateArgumentList *TemplateArgs;
@@ -2670,14 +2657,6 @@ class VarTemplateSpecializationDecl : public VarDecl,
/// specialization.
const TemplateArgumentList &getTemplateArgs() const { return *TemplateArgs; }
- // TODO: Always set this when creating the new specialization?
- void setTemplateArgsInfo(const TemplateArgumentListInfo &ArgsInfo);
- void setTemplateArgsInfo(const ASTTemplateArgumentListInfo *ArgsInfo);
-
- const ASTTemplateArgumentListInfo *getTemplateArgsInfo() const {
- return TemplateArgsInfo;
- }
-
/// Determine the kind of specialization that this
/// declaration represents.
TemplateSpecializationKind getSpecializationKind() const {
@@ -2781,44 +2760,45 @@ class VarTemplateSpecializationDecl : public VarDecl,
SpecializedTemplate = TemplDecl;
}
- /// Sets the type of this specialization as it was written by
- /// the user.
- void setTypeAsWritten(TypeSourceInfo *T) {
- if (!ExplicitInfo)
- ExplicitInfo = new (getASTContext()) ExplicitSpecializationInfo;
- ExplicitInfo->TypeAsWritten = T;
- }
-
- /// Gets the type of this specialization as it was written by
- /// the user, if it was so written.
- TypeSourceInfo *getTypeAsWritten() const {
- return ExplicitInfo ? ExplicitInfo->TypeAsWritten : nullptr;
+ const ASTTemplateArgumentListInfo *getTemplateArgsAsWritten() const {
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ return Info->TemplateArgsAsWritten;
+ return ExplicitInfo.get<const ASTTemplateArgumentListInfo *>();
}
/// Gets the location of the extern keyword, if present.
SourceLocation getExternLoc() const {
- return ExplicitInfo ? ExplicitInfo->ExternLoc : SourceLocation();
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ return Info->ExternLoc;
+ return SourceLocation();
}
- /// Sets the location of the extern keyword.
- void setExternLoc(SourceLocation Loc) {
- if (!ExplicitInfo)
- ExplicitInfo = new (getASTContext()) ExplicitSpecializationInfo;
- ExplicitInfo->ExternLoc = Loc;
+ /// Gets the location of the template keyword, if present.
+ SourceLocation getTemplateKeywordLoc() const {
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ return Info->TemplateKeywordLoc;
+ return SourceLocation();
}
- /// Sets the location of the template keyword.
- void setTemplateKeywordLoc(SourceLocation Loc) {
- if (!ExplicitInfo)
- ExplicitInfo = new (getASTContext()) ExplicitSpecializationInfo;
- ExplicitInfo->TemplateKeywordLoc = Loc;
+ void
+ setTemplateArgsAsWritten(const ASTTemplateArgumentListInfo *ArgsWritten) {
+ if (auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>())
+ Info->TemplateArgsAsWritten = ArgsWritten;
+ else
+ ExplicitInfo = ArgsWritten;
}
- /// Gets the location of the template keyword, if present.
- SourceLocation getTemplateKeywordLoc() const {
- return ExplicitInfo ? ExplicitInfo->TemplateKeywordLoc : SourceLocation();
+ void setTemplateArgsAsWritten(const TemplateArgumentListInfo &ArgsInfo) {
+ setTemplateArgsAsWritten(
+ ASTTemplateArgumentListInfo::Create(getASTContext(), ArgsInfo));
}
+ /// Sets the location of the extern keyword.
+ void setExternLoc(SourceLocation Loc);
+
+ /// Sets the location of the template keyword.
+ void setTemplateKeywordLoc(SourceLocation Loc);
+
SourceRange getSourceRange() const override LLVM_READONLY;
void Profile(llvm::FoldingSetNodeID &ID) const {
@@ -2846,10 +2826,6 @@ class VarTemplatePartialSpecializationDecl
/// The list of template parameters
TemplateParameterList *TemplateParams = nullptr;
- /// The source info for the template arguments as written.
- /// FIXME: redundant with TypeAsWritten?
- const ASTTemplateArgumentListInfo *ArgsAsWritten = nullptr;
-
/// The variable template partial specialization from which this
/// variable template partial specialization was instantiated.
///
@@ -2862,8 +2838,7 @@ class VarTemplatePartialSpecializationDecl
ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc, TemplateParameterList *Params,
VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo,
- StorageClass S, ArrayRef<TemplateArgument> Args,
- const ASTTemplateArgumentListInfo *ArgInfos);
+ StorageClass S, ArrayRef<TemplateArgument> Args);
VarTemplatePartialSpecializationDecl(ASTContext &Context)
: VarTemplateSpecializationDecl(VarTemplatePartialSpecialization,
@@ -2880,8 +2855,8 @@ class VarTemplatePartialSpecializationDecl
Create(ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc, TemplateParameterList *Params,
VarTemplateDecl *SpecializedTemplate, QualType T,
- TypeSourceInfo *TInfo, StorageClass S, ArrayRef<TemplateArgument> Args,
- const TemplateArgumentListInfo &ArgInfos);
+ TypeSourceInfo *TInfo, StorageClass S,
+ ArrayRef<TemplateArgument> Args);
static VarTemplatePartialSpecializationDecl *CreateDeserialized(ASTContext &C,
unsigned ID);
@@ -2897,11 +2872,6 @@ class VarTemplatePartialSpecializationDecl
return TemplateParams;
}
- /// Get the template arguments as written.
- const ASTTemplateArgumentListInfo *getTemplateArgsAsWritten() const {
- return ArgsAsWritten;
- }
-
/// \brief All associated constraints of this partial specialization,
/// including the requires clause and any constraints derived from
/// constrained-parameters.
diff --git a/clang/include/clang/AST/RecursiveASTVisitor.h b/clang/include/clang/AST/RecursiveASTVisitor.h
index 5080551ada4fc6..562a304cb23b1e 100644
--- a/clang/include/clang/AST/RecursiveASTVisitor.h
+++ b/clang/include/clang/AST/RecursiveASTVisitor.h
@@ -2009,6 +2009,15 @@ DEF_TRAVERSE_DECL(RecordDecl, { TRY_TO(TraverseRecordHelper(D)); })
DEF_TRAVERSE_DECL(CXXRecordDecl, { TRY_TO(TraverseCXXRecordHelper(D)); })
+template <typename Derived>
+bool RecursiveASTVisitor<Derived>::TraverseTemplateArgumentLocsHelper(
+ const TemplateArgumentLoc *TAL, unsigned Count) {
+ for (unsigned I = 0; I < Count; ++I) {
+ TRY_TO(TraverseTemplateArgumentLoc(TAL[I]));
+ }
+ return true;
+}
+
#define DEF_TRAVERSE_TMPL_SPEC_DECL(TMPLDECLKIND, DECLKIND) \
DEF_TRAVERSE_DECL(TMPLDECLKIND##TemplateSpecializationDecl, { \
/* For implicit instantiations ("set<int> x;"), we don't want to \
@@ -2018,9 +2027,12 @@ DEF_TRAVERSE_DECL(CXXRecordDecl, { TRY_TO(TraverseCXXRecordHelper(D)); })
TemplateSpecializationType). For explicit instantiations \
("template set<int>;"), we do need a callback, since this \
is the only callback that's made for this instantiation. \
- We use getTypeAsWritten() to distinguish. */ \
- if (TypeSourceInfo *TSI = D->getTypeAsWritten()) \
- TRY_TO(TraverseTypeLoc(TSI->getTypeLoc())); \
+ We use getTemplateArgsAsWritten() to distinguish. */ \
+ if (const auto *ArgsWritten = D->getTemplateArgsAsWritten()) { \
+ /* The args that remains unspecialized. */ \
+ TRY_TO(TraverseTemplateArgumentLocsHelper( \
+ ArgsWritten->getTemplateArgs(), ArgsWritten->NumTemplateArgs)); \
+ } \
\
if (getDerived().shouldVisitTemplateInstantiations() || \
D->getTemplateSpecializationKind() == TSK_ExplicitSpecialization) { \
@@ -2040,15 +2052,6 @@ DEF_TRAVERSE_DECL(CXXRecordDecl, { TRY_TO(TraverseCXXRecordHelper(D)); })
DEF_TRAVERSE_TMPL_SPEC_DECL(Class, CXXRecord)
DEF_TRAVERSE_TMPL_SPEC_DECL(Var, Var)
-template <typename Derived>
-bool RecursiveASTVisitor<Derived>::TraverseTemplateArgumentLocsHelper(
- const TemplateArgumentLoc *TAL, unsigned Count) {
- for (unsigned I = 0; I < Count; ++I) {
- TRY_TO(TraverseTemplateArgumentLoc(TAL[I]));
- }
- return true;
-}
-
#define DEF_TRAVERSE_TMPL_PART_SPEC_DECL(TMPLDECLKIND, DECLKIND) \
DEF_TRAVERSE_DECL(TMPLDECLKIND##TemplatePartialSpecializationDecl, { \
/* The partial specialization. */ \
diff --git a/clang/include/clang/ASTMatchers/ASTMatchers.h b/clang/include/clang/ASTMatchers/ASTMatchers.h
index dc1f49525a004a..4cdc9ec4cc5178 100644
--- a/clang/include/clang/ASTMatchers/ASTMatchers.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchers.h
@@ -4066,7 +4066,7 @@ AST_POLYMORPHIC_MATCHER_P_OVERLOAD(
/// Matcher<CXXCtorInitializer>, Matcher<CXXFunctionalCastExpr>,
/// Matcher<CXXNewExpr>, Matcher<CXXTemporaryObjectExpr>,
/// Matcher<CXXUnresolvedConstructExpr>,
-/// Matcher<ClassTemplateSpecializationDecl>, Matcher<CompoundLiteralExpr>,
+/// Matcher<CompoundLiteralExpr>,
/// Matcher<DeclaratorDecl>, Matcher<ExplicitCastExpr>,
/// Matcher<ObjCPropertyDecl>, Matcher<TemplateArgumentLoc>,
/// Matcher<TypedefNameDecl>
@@ -4075,9 +4075,8 @@ AST_POLYMORPHIC_MATCHER_P(
AST_POLYMORPHIC_SUPPORTED_TYPES(
BlockDecl, CXXBaseSpecifier, CXXCtorInitializer, CXXFunctionalCastExpr,
CXXNewExpr, CXXTemporaryObjectExpr, CXXUnresolvedConstructExpr,
- ClassTemplateSpecializationDecl, CompoundLiteralExpr, DeclaratorDecl,
- ExplicitCastExpr, ObjCPropertyDecl, TemplateArgumentLoc,
- TypedefNameDecl),
+ CompoundLiteralExpr, DeclaratorDecl, ExplicitCastExpr, ObjCPropertyDecl,
+ TemplateArgumentLoc, TypedefNameDecl),
internal::Matcher<TypeLoc>, Inner) {
TypeSourceInfo *source = internal::GetTypeSourceInfo(Node);
if (source == nullptr) {
diff --git a/clang/include/clang/ASTMatchers/ASTMatchersInternal.h b/clang/include/clang/ASTMatchers/ASTMatchersInternal.h
index 47d912c73dd7eb..dca642acfa38bc 100644
--- a/clang/include/clang/ASTMatchers/ASTMatchersInternal.h
+++ b/clang/include/clang/ASTMatchers/ASTMatchersInternal.h
@@ -186,10 +186,6 @@ inline TypeSourceInfo *GetTypeSourceInfo(const BlockDecl &Node) {
inline TypeSourceInfo *GetTypeSourceInfo(const CXXNewExpr &Node) {
return Node.getAllocatedTypeSourceInfo();
}
-inline TypeSourceInfo *
-GetTypeSourceInfo(const ClassTemplateSpecializationDecl &Node) {
- return Node.getTypeAsWritten();
-}
/// Unifies obtaining the FunctionProtoType pointer from both
/// FunctionProtoType and FunctionDecl nodes..
diff --git a/clang/lib/AST/ASTImporter.cpp b/clang/lib/AST/ASTImporter.cpp
index 023aaa7f0572b4..d1b141026497ed 100644
--- a/clang/lib/AST/ASTImporter.cpp
+++ b/clang/lib/AST/ASTImporter.cpp
@@ -6148,15 +6148,16 @@ ExpectedDecl ASTNodeImporter::VisitClassTemplateSpecializationDecl(
if (!IdLocOrErr)
return IdLocOrErr.takeError();
+ // Import TemplateArgumentListInfo.
+ TemplateArgumentListInfo ToTAInfo;
+ if (const auto *ASTTemplateArgs = D->getTemplateArgsAsWritten()) {
+ if (Error Err = ImportTemplateArgumentListInfo(*ASTTemplateArgs, ToTAInfo))
+ return std::move(Err);
+ }
+
// Create the specialization.
ClassTemplateSpecializationDecl *D2 = nullptr;
if (PartialSpec) {
- // Import TemplateArgumentListInfo.
- TemplateArgumentListInfo ToTAInfo;
- const auto &ASTTemplateArgs = *PartialSpec->getTemplateArgsAsWritten();
- if (Error Err = ImportTemplateArgumentListInfo(ASTTemplateArgs, ToTAInfo))
- return std::move(Err);
-
QualType CanonInjType;
if (Error Err = importInto(
CanonInjType, PartialSpec->getInjectedSpecializationType()))
@@ -6166,7 +6167,7 @@ ExpectedDecl ASTNodeImporter::VisitClassTemplateSpecializationDecl(
if (GetImportedOrCreateDecl<ClassTemplatePartialSpecializationDecl>(
D2, D, Importer.getToContext(), D->getTagKind(), DC, *BeginLocOrErr,
*IdLocOrErr, ToTPList, ClassTemplate,
- llvm::ArrayRef(TemplateArgs.data(), TemplateArgs.size()), ToTAInfo,
+ llvm::ArrayRef(TemplateArgs.data(), TemplateArgs.size()),
CanonInjType,
cast_or_null<ClassTemplatePartialSpecializationDecl>(PrevDecl)))
return D2;
@@ -6220,22 +6221,18 @@ ExpectedDecl ASTNodeImporter::VisitClassTemplateSpecializationDecl(
else
return LocOrErr.takeError();
- if (auto *TSI = D->getTypeAsWritten()) {
- if (auto TInfoOrErr = import(TSI))
- D2->setTypeAsWritten(*TInfoOrErr);
- else
- return TInfoOrErr.takeError();
+ if (D->getTemplateArgsAsWritten())
+ D2->setTemplateArgsAsWritten(ToTAInfo);
- if (auto LocOrErr = import(D->getTemplateKeywordLoc()))
- D2->setTemplateKeywordLoc(*LocOrErr);
- else
- return LocOrErr.takeError();
+ if (auto LocOrErr = import(D->getTemplateKeywordLoc()))
+ D2->setTemplateKeywordLoc(*LocOrErr);
+ else
+ return LocOrErr.takeError();
- if (auto LocOrErr = import(D->getExternLoc()))
- D2->setExternLoc(*LocOrErr);
- else
- return LocOrErr.takeError();
- }
+ if (auto LocOrErr = import(D->getExternLoc()))
+ D2->setExternLoc(*LocOrErr);
+ else
+ return LocOrErr.takeError();
if (D->getPointOfInstantiation().isValid()) {
if (auto POIOrErr = import(D->getPointOfInstantiation()))
@@ -6455,7 +6452,7 @@ ExpectedDecl ASTNodeImporter::VisitVarTemplateSpecializationDecl(
VarTemplateSpecializationDecl *D2 = nullptr;
TemplateArgumentListInfo ToTAInfo;
- if (const ASTTemplateArgumentListInfo *Args = D->getTemplateArgsInfo()) {
+ if (const auto *Args = D->getTemplateArgsAsWritten()) {
if (Error Err = ImportTemplateArgumentListInfo(*Args, ToTAInfo))
return std::move(Err);
}
@@ -6463,14 +6460,6 @@ ExpectedDecl ASTNodeImporter::VisitVarTemplateSpecializationDecl(
using PartVarSpecDecl = VarTemplatePartialSpecializationDecl;
// Create a new specialization.
if (auto *FromPartial = dyn_cast<PartVarSpecDecl>(D)) {
- // Import TemplateArgumentListInfo
- TemplateArgumentListInfo ArgInfos;
- const auto *FromTAArgsAsWritten = FromPartial->getTemplateArgsAsWritten();
- // NOTE: FromTAArgsAsWritten and template parameter list are non-null.
- if (Error Err =
- ImportTemplateArgumentListInfo(*FromTAArgsAsWritten, ArgInfos))
- return std::move(Err);
-
auto ToTPListOrErr = import(FromPartial->getTemplateParameters());
if (!ToTPListOrErr)
return ToTPListOrErr.takeError();
@@ -6479,7 +6468,7 @@ ExpectedDecl ASTNodeImporter::VisitVarTemplateSpecializationDecl(
if (GetImportedOrCreateDecl(ToPartial, D, Importer.getToContext(), DC,
*BeginLocOrErr, *IdLocOrErr, *ToTPListOrErr,
VarTemplate, QualType(), nullptr,
- D->getStorageClass(), TemplateArgs, ArgInfos))
+ D->getStorageClass(), TemplateArgs))
return ToPartial;
if (Expected<PartVarSpecDecl *> ToInstOrErr =
@@ -6522,7 +6511,9 @@ ExpectedDecl ASTNodeImporter::VisitVarTemplateSpecializationDecl(
}
D2->setSpecializationKind(D->getSpecializationKind());
- D2->setTemplateArgsInfo(ToTAInfo);
+
+ if (D->getTemplateArgsAsWritten())
+ D2->setTemplateArgsAsWritten(ToTAInfo);
if (auto LocOrErr = import(D->getQualifierLoc()))
D2->setQualifierInfo(*LocOrErr);
diff --git a/clang/lib/AST/DeclPrinter.cpp b/clang/lib/AST/DeclPrinter.cpp
index 43d221968ea3fb..76808e58acedfe 100644
--- a/clang/lib/AST/DeclPrinter.cpp
+++ b/clang/lib/AST/DeclPrinter.cpp
@@ -1139,14 +1139,13 @@ void DeclPrinter::VisitCXXRecordDecl(CXXRecordDecl *D) {
Out << *D;
if (auto S = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
- ArrayRef<TemplateArgument> Args = S->getTemplateArgs().asArray();
- if (!Policy.PrintCanonicalTypes)
- if (const auto* TSI = S->getTypeAsWritten())
- if (const auto *TST =
- dyn_cast<TemplateSpecializationType>(TSI->getType()))
- Args = TST->template_arguments();
- printTemplateArguments(
- Args, S->getSpecializedTemplate()->getTemplateParameters());
+ const TemplateParameterList *TParams =
+ S->getSpecializedTemplate()->getTemplateParameters();
+ const auto *TArgAsWritten = S->getTemplateArgsAsWritten();
+ if (TArgAsWritten && !Policy.PrintCanonicalTypes)
+ printTemplateArguments(TArgAsWritten->arguments(), TParams);
+ else
+ printTemplateArguments(S->getTemplateArgs().asArray(), TParams);
}
}
diff --git a/clang/lib/AST/DeclTemplate.cpp b/clang/lib/AST/DeclTemplate.cpp
index 3c217d6a6a5ae3..9a91e050512c74 100644
--- a/clang/lib/AST/DeclTemplate.cpp
+++ b/clang/lib/AST/DeclTemplate.cpp
@@ -986,8 +986,15 @@ ClassTemplateSpecializationDecl::getSpecializedTemplate() const {
SourceRange
ClassTemplateSpecializationDecl::getSourceRange() const {
+ using CTPSDecl = ClassTemplatePartialSpecializationDecl;
if (ExplicitInfo) {
SourceLocation Begin = getTemplateKeywordLoc();
+ if (Begin.isInvalid()) {
+ if (getNumTemplateParameterLists())
+ Begin = getTemplateParameterList(0)->getTemplateLoc();
+ else if (const auto *CTPSD = dyn_cast<CTPSDecl>(this))
+ Begin = CTPSD->getTemplateParameters()->getTemplateLoc();
+ }
if (Begin.isValid()) {
// Here we have an explicit (partial) specialization or instantiation.
assert(getSpecializationKind() == TSK_ExplicitSpecialization ||
@@ -997,13 +1004,12 @@ ClassTemplateSpecializationDecl::getSourceRange() const {
Begin = getExternLoc();
SourceLocation End = getBraceRange().getEnd();
if (End.isInvalid())
- End = getTypeAsWritten()->getTypeLoc().getEndLoc();
+ End = getTemplateArgsAsWritten()->getRAngleLoc();
return SourceRange(Begin, End);
}
// An implicit instantiation of a class template partial specialization
// uses ExplicitInfo to record the TypeAsWritten, but the source
// locations should be retrieved from the instantiation pattern.
- using CTPSDecl = ClassTemplatePartialSpecializationDecl;
auto *ctpsd = const_cast<CTPSDecl *>(cast<CTPSDecl>(this));
CTPSDecl *inst_from = ctpsd->getInstantiatedFromMember();
assert(inst_from != nullptr);
@@ -1023,6 +1029,33 @@ ClassTemplateSpecializationDecl::getSourceRange() const {
}
}
+void ClassTemplateSpecializationDecl::setExternLoc(SourceLocation Loc) {
+ auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>();
+ if (!Info) {
+ // Don't allocate if the location is invalid.
+ if (Loc.isInvalid())
+ return;
+ Info = new (getASTContext()) ExplicitInstantiationInfo;
+ Info->TemplateArgsAsWritten = getTemplateArgsAsWritten();
+ ExplicitInfo = Info;
+ }
+ Info->ExternLoc = Loc;
+}
+
+void ClassTemplateSpecializationDecl::setTemplateKeywordLoc(
+ SourceLocation Loc) {
+ auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>();
+ if (!Info) {
+ // Don't allocate if the location is invalid.
+ if (Loc.isInvalid())
+ return;
+ Info = new (getASTContext()) ExplicitInstantiationInfo;
+ Info->TemplateArgsAsWritten = getTemplateArgsAsWritten();
+ ExplicitInfo = Info;
+ }
+ Info->TemplateKeywordLoc = Loc;
+}
+
//===----------------------------------------------------------------------===//
// ConceptDecl Implementation
//===----------------------------------------------------------------------===//
@@ -1089,43 +1122,29 @@ void ImplicitConceptSpecializationDecl::setTemplateArguments(
//===----------------------------------------------------------------------===//
void ClassTemplatePartialSpecializationDecl::anchor() {}
-ClassTemplatePartialSpecializationDecl::
-ClassTemplatePartialSpecializationDecl(ASTContext &Context, TagKind TK,
- DeclContext *DC,
- SourceLocation StartLoc,
- SourceLocation IdLoc,
- TemplateParameterList *Params,
- ClassTemplateDecl *SpecializedTemplate,
- ArrayRef<TemplateArgument> Args,
- const ASTTemplateArgumentListInfo *ArgInfos,
- ClassTemplatePartialSpecializationDecl *PrevDecl)
- : ClassTemplateSpecializationDecl(Context,
- ClassTemplatePartialSpecialization,
- TK, DC, StartLoc, IdLoc,
- SpecializedTemplate, Args, PrevDecl),
- TemplateParams(Params), ArgsAsWritten(ArgInfos),
- InstantiatedFromMember(nullptr, false) {
+ClassTemplatePartialSpecializationDecl::ClassTemplatePartialSpecializationDecl(
+ ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc,
+ SourceLocation IdLoc, TemplateParameterList *Params,
+ ClassTemplateDecl *SpecializedTemplate, ArrayRef<TemplateArgument> Args,
+ ClassTemplatePartialSpecializationDecl *PrevDecl)
+ : ClassTemplateSpecializationDecl(
+ Context, ClassTemplatePartialSpecialization, TK, DC, StartLoc, IdLoc,
+ SpecializedTemplate, Args, PrevDecl),
+ TemplateParams(Params), InstantiatedFromMember(nullptr, false) {
if (AdoptTemplateParameterList(Params, this))
setInvalidDecl();
}
ClassTemplatePartialSpecializationDecl *
-ClassTemplatePartialSpecializationDecl::
-Create(ASTContext &Context, TagKind TK,DeclContext *DC,
- SourceLocation StartLoc, SourceLocation IdLoc,
- TemplateParameterList *Params,
- ClassTemplateDecl *SpecializedTemplate,
- ArrayRef<TemplateArgument> Args,
- const TemplateArgumentListInfo &ArgInfos,
- QualType CanonInjectedType,
- ClassTemplatePartialSpecializationDecl *PrevDecl) {
- const ASTTemplateArgumentListInfo *ASTArgInfos =
- ASTTemplateArgumentListInfo::Create(Context, ArgInfos);
-
- auto *Result = new (Context, DC)
- ClassTemplatePartialSpecializationDecl(Context, TK, DC, StartLoc, IdLoc,
- Params, SpecializedTemplate, Args,
- ASTArgInfos, PrevDecl);
+ClassTemplatePartialSpecializationDecl::Create(
+ ASTContext &Context, TagKind TK, DeclContext *DC, SourceLocation StartLoc,
+ SourceLocation IdLoc, TemplateParameterList *Params,
+ ClassTemplateDecl *SpecializedTemplate, ArrayRef<TemplateArgument> Args,
+ QualType CanonInjectedType,
+ ClassTemplatePartialSpecializationDecl *PrevDecl) {
+ auto *Result = new (Context, DC) ClassTemplatePartialSpecializationDecl(
+ Context, TK, DC, StartLoc, IdLoc, Params, SpecializedTemplate, Args,
+ PrevDecl);
Result->setSpecializationKind(TSK_ExplicitSpecialization);
Result->setMayHaveOutOfDateDef(false);
@@ -1372,26 +1391,39 @@ VarTemplateDecl *VarTemplateSpecializationDecl::getSpecializedTemplate() const {
return SpecializedTemplate.get<VarTemplateDecl *>();
}
-void VarTemplateSpecializationDecl::setTemplateArgsInfo(
- const TemplateArgumentListInfo &ArgsInfo) {
- TemplateArgsInfo =
- ASTTemplateArgumentListInfo::Create(getASTContext(), ArgsInfo);
-}
-
-void VarTemplateSpecializationDecl::setTemplateArgsInfo(
- const ASTTemplateArgumentListInfo *ArgsInfo) {
- TemplateArgsInfo =
- ASTTemplateArgumentListInfo::Create(getASTContext(), ArgsInfo);
-}
-
SourceRange VarTemplateSpecializationDecl::getSourceRange() const {
if (isExplicitSpecialization() && !hasInit()) {
- if (const ASTTemplateArgumentListInfo *Info = getTemplateArgsInfo())
+ if (const ASTTemplateArgumentListInfo *Info = getTemplateArgsAsWritten())
return SourceRange(getOuterLocStart(), Info->getRAngleLoc());
}
return VarDecl::getSourceRange();
}
+void VarTemplateSpecializationDecl::setExternLoc(SourceLocation Loc) {
+ auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>();
+ if (!Info) {
+ // Don't allocate if the location is invalid.
+ if (Loc.isInvalid())
+ return;
+ Info = new (getASTContext()) ExplicitInstantiationInfo;
+ Info->TemplateArgsAsWritten = getTemplateArgsAsWritten();
+ ExplicitInfo = Info;
+ }
+ Info->ExternLoc = Loc;
+}
+
+void VarTemplateSpecializationDecl::setTemplateKeywordLoc(SourceLocation Loc) {
+ auto *Info = ExplicitInfo.dyn_cast<ExplicitInstantiationInfo *>();
+ if (!Info) {
+ // Don't allocate if the location is invalid.
+ if (Loc.isInvalid())
+ return;
+ Info = new (getASTContext()) ExplicitInstantiationInfo;
+ Info->TemplateArgsAsWritten = getTemplateArgsAsWritten();
+ ExplicitInfo = Info;
+ }
+ Info->TemplateKeywordLoc = Loc;
+}
//===----------------------------------------------------------------------===//
// VarTemplatePartialSpecializationDecl Implementation
@@ -1403,13 +1435,11 @@ VarTemplatePartialSpecializationDecl::VarTemplatePartialSpecializationDecl(
ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc, TemplateParameterList *Params,
VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo,
- StorageClass S, ArrayRef<TemplateArgument> Args,
- const ASTTemplateArgumentListInfo *ArgInfos)
+ StorageClass S, ArrayRef<TemplateArgument> Args)
: VarTemplateSpecializationDecl(VarTemplatePartialSpecialization, Context,
DC, StartLoc, IdLoc, SpecializedTemplate, T,
TInfo, S, Args),
- TemplateParams(Params), ArgsAsWritten(ArgInfos),
- InstantiatedFromMember(nullptr, false) {
+ TemplateParams(Params), InstantiatedFromMember(nullptr, false) {
if (AdoptTemplateParameterList(Params, DC))
setInvalidDecl();
}
@@ -1419,15 +1449,10 @@ VarTemplatePartialSpecializationDecl::Create(
ASTContext &Context, DeclContext *DC, SourceLocation StartLoc,
SourceLocation IdLoc, TemplateParameterList *Params,
VarTemplateDecl *SpecializedTemplate, QualType T, TypeSourceInfo *TInfo,
- StorageClass S, ArrayRef<TemplateArgument> Args,
- const TemplateArgumentListInfo &ArgInfos) {
- const ASTTemplateArgumentListInfo *ASTArgInfos
- = ASTTemplateArgumentListInfo::Create(Context, ArgInfos);
-
- auto *Result =
- new (Context, DC) VarTemplatePartialSpecializationDecl(
- Context, DC, StartLoc, IdLoc, Params, SpecializedTemplate, T, TInfo,
- S, Args, ASTArgInfos);
+ StorageClass S, ArrayRef<TemplateArgument> Args) {
+ auto *Result = new (Context, DC) VarTemplatePartialSpecializationDecl(
+ Context, DC, StartLoc, IdLoc, Params, SpecializedTemplate, T, TInfo, S,
+ Args);
Result->setSpecializationKind(TSK_ExplicitSpecialization);
return Result;
}
diff --git a/clang/lib/AST/TypePrinter.cpp b/clang/lib/AST/TypePrinter.cpp
index 7dcc4348f8e036..4fd5435ffea387 100644
--- a/clang/lib/AST/TypePrinter.cpp
+++ b/clang/lib/AST/TypePrinter.cpp
@@ -1454,21 +1454,17 @@ void TypePrinter::printTag(TagDecl *D, raw_ostream &OS) {
// If this is a class template specialization, print the template
// arguments.
- if (const auto *Spec = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
- ArrayRef<TemplateArgument> Args;
- TypeSourceInfo *TAW = Spec->getTypeAsWritten();
- if (!Policy.PrintCanonicalTypes && TAW) {
- const TemplateSpecializationType *TST =
- cast<TemplateSpecializationType>(TAW->getType());
- Args = TST->template_arguments();
- } else {
- const TemplateArgumentList &TemplateArgs = Spec->getTemplateArgs();
- Args = TemplateArgs.asArray();
- }
+ if (auto S = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
+ const TemplateParameterList *TParams =
+ S->getSpecializedTemplate()->getTemplateParameters();
+ const auto *TArgAsWritten = S->getTemplateArgsAsWritten();
IncludeStrongLifetimeRAII Strong(Policy);
- printTemplateArgumentList(
- OS, Args, Policy,
- Spec->getSpecializedTemplate()->getTemplateParameters());
+ if (TArgAsWritten && !Policy.PrintCanonicalTypes)
+ printTemplateArgumentList(OS, TArgAsWritten->arguments(), Policy,
+ TParams);
+ else
+ printTemplateArgumentList(OS, S->getTemplateArgs().asArray(), Policy,
+ TParams);
}
spaceBeforePlaceHolder(OS);
diff --git a/clang/lib/Index/IndexDecl.cpp b/clang/lib/Index/IndexDecl.cpp
index 1c04aa17d53fb2..8eb88f5a1e94ee 100644
--- a/clang/lib/Index/IndexDecl.cpp
+++ b/clang/lib/Index/IndexDecl.cpp
@@ -673,9 +673,12 @@ class IndexingDeclVisitor : public ConstDeclVisitor<IndexingDeclVisitor, bool> {
IndexCtx.indexTagDecl(
D, SymbolRelation(SymbolRoleSet(SymbolRole::RelationSpecializationOf),
SpecializationOf));
- if (TypeSourceInfo *TSI = D->getTypeAsWritten())
- IndexCtx.indexTypeSourceInfo(TSI, /*Parent=*/nullptr,
- D->getLexicalDeclContext());
+ // Template specialization arguments.
+ if (const ASTTemplateArgumentListInfo *TemplateArgInfo =
+ D->getTemplateArgsAsWritten()) {
+ for (const auto &Arg : TemplateArgInfo->arguments())
+ handleTemplateArgumentLoc(Arg, D, D->getLexicalDeclContext());
+ }
return true;
}
diff --git a/clang/lib/Sema/Sema.cpp b/clang/lib/Sema/Sema.cpp
index cfb653e665ea03..45c48d48b1066c 100644
--- a/clang/lib/Sema/Sema.cpp
+++ b/clang/lib/Sema/Sema.cpp
@@ -1411,7 +1411,7 @@ void Sema::ActOnEndOfTranslationUnit() {
SourceRange DiagRange = DiagD->getLocation();
if (const auto *VTSD = dyn_cast<VarTemplateSpecializationDecl>(DiagD)) {
if (const ASTTemplateArgumentListInfo *ASTTAL =
- VTSD->getTemplateArgsInfo())
+ VTSD->getTemplateArgsAsWritten())
DiagRange.setEnd(ASTTAL->RAngleLoc);
}
if (DiagD->isReferenced()) {
diff --git a/clang/lib/Sema/SemaTemplate.cpp b/clang/lib/Sema/SemaTemplate.cpp
index 9e516da2aa27a1..f6d5c979f5e582 100644
--- a/clang/lib/Sema/SemaTemplate.cpp
+++ b/clang/lib/Sema/SemaTemplate.cpp
@@ -4723,7 +4723,8 @@ DeclResult Sema::ActOnVarTemplateSpecialization(
VarTemplatePartialSpecializationDecl::Create(
Context, VarTemplate->getDeclContext(), TemplateKWLoc,
TemplateNameLoc, TemplateParams, VarTemplate, DI->getType(), DI, SC,
- CanonicalConverted, TemplateArgs);
+ CanonicalConverted);
+ Partial->setTemplateArgsAsWritten(TemplateArgs);
if (!PrevPartial)
VarTemplate->AddPartialSpecialization(Partial, InsertPos);
@@ -4741,7 +4742,7 @@ DeclResult Sema::ActOnVarTemplateSpecialization(
Specialization = VarTemplateSpecializationDecl::Create(
Context, VarTemplate->getDeclContext(), TemplateKWLoc, TemplateNameLoc,
VarTemplate, DI->getType(), DI, SC, CanonicalConverted);
- Specialization->setTemplateArgsInfo(TemplateArgs);
+ Specialization->setTemplateArgsAsWritten(TemplateArgs);
if (!PrevDecl)
VarTemplate->AddSpecialization(Specialization, InsertPos);
@@ -9022,7 +9023,8 @@ DeclResult Sema::ActOnClassTemplateSpecialization(
ClassTemplatePartialSpecializationDecl::Create(
Context, Kind, ClassTemplate->getDeclContext(), KWLoc,
TemplateNameLoc, TemplateParams, ClassTemplate, CanonicalConverted,
- TemplateArgs, CanonType, PrevPartial);
+ CanonType, PrevPartial);
+ Partial->setTemplateArgsAsWritten(TemplateArgs);
SetNestedNameSpecifier(*this, Partial, SS);
if (TemplateParameterLists.size() > 1 && SS.isSet()) {
Partial->setTemplateParameterListsInfo(
@@ -9045,6 +9047,7 @@ DeclResult Sema::ActOnClassTemplateSpecialization(
Specialization = ClassTemplateSpecializationDecl::Create(
Context, Kind, ClassTemplate->getDeclContext(), KWLoc, TemplateNameLoc,
ClassTemplate, CanonicalConverted, PrevDecl);
+ Specialization->setTemplateArgsAsWritten(TemplateArgs);
SetNestedNameSpecifier(*this, Specialization, SS);
if (TemplateParameterLists.size() > 0) {
Specialization->setTemplateParameterListsInfo(Context,
@@ -9127,20 +9130,10 @@ DeclResult Sema::ActOnClassTemplateSpecialization(
<< (isPartialSpecialization? 1 : 0)
<< FixItHint::CreateRemoval(ModulePrivateLoc);
- // Build the fully-sugared type for this class template
- // specialization as the user wrote in the specialization
- // itself. This means that we'll pretty-print the type retrieved
- // from the specialization's declaration the way that the user
- // actually wrote the specialization, rather than formatting the
- // name based on the "canonical" representation used to store the
- // template arguments in the specialization.
- TypeSourceInfo *WrittenTy
- = Context.getTemplateSpecializationTypeInfo(Name, TemplateNameLoc,
- TemplateArgs, CanonType);
- if (TUK != TUK_Friend) {
- Specialization->setTypeAsWritten(WrittenTy);
+ if (TUK != TUK_Friend)
+ // FIXME: We really shouldn't be setting this unless this is an explicit
+ // instantiation. We already store the outer template parameter lists.
Specialization->setTemplateKeywordLoc(TemplateKWLoc);
- }
// C++ [temp.expl.spec]p9:
// A template explicit specialization is in the scope of the
@@ -9157,6 +9150,15 @@ DeclResult Sema::ActOnClassTemplateSpecialization(
Specialization->startDefinition();
if (TUK == TUK_Friend) {
+ // Build the fully-sugared type for this class template
+ // specialization as the user wrote in the specialization
+ // itself. This means that we'll pretty-print the type retrieved
+ // from the specialization's declaration the way that the user
+ // actually wrote the specialization, rather than formatting the
+ // name based on the "canonical" representation used to store the
+ // template arguments in the specialization.
+ TypeSourceInfo *WrittenTy = Context.getTemplateSpecializationTypeInfo(
+ Name, TemplateNameLoc, TemplateArgs, CanonType);
FriendDecl *Friend = FriendDecl::Create(Context, CurContext,
TemplateNameLoc,
WrittenTy,
@@ -10328,18 +10330,7 @@ DeclResult Sema::ActOnExplicitInstantiation(
}
}
- // Build the fully-sugared type for this explicit instantiation as
- // the user wrote in the explicit instantiation itself. This means
- // that we'll pretty-print the type retrieved from the
- // specialization's declaration the way that the user actually wrote
- // the explicit instantiation, rather than formatting the name based
- // on the "canonical" representation used to store the template
- // arguments in the specialization.
- TypeSourceInfo *WrittenTy
- = Context.getTemplateSpecializationTypeInfo(Name, TemplateNameLoc,
- TemplateArgs,
- Context.getTypeDeclType(Specialization));
- Specialization->setTypeAsWritten(WrittenTy);
+ Specialization->setTemplateArgsAsWritten(TemplateArgs);
// Set source locations for keywords.
Specialization->setExternLoc(ExternLoc);
diff --git a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
index d67b21b4449e01..f03980ca7ac9d8 100644
--- a/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
+++ b/clang/lib/Sema/SemaTemplateInstantiateDecl.cpp
@@ -3812,15 +3812,16 @@ TemplateDeclInstantiator::VisitClassTemplateSpecializationDecl(
// Substitute into the template arguments of the class template explicit
// specialization.
- TemplateSpecializationTypeLoc Loc = D->getTypeAsWritten()->getTypeLoc().
- castAs<TemplateSpecializationTypeLoc>();
- TemplateArgumentListInfo InstTemplateArgs(Loc.getLAngleLoc(),
- Loc.getRAngleLoc());
- SmallVector<TemplateArgumentLoc, 4> ArgLocs;
- for (unsigned I = 0; I != Loc.getNumArgs(); ++I)
- ArgLocs.push_back(Loc.getArgLoc(I));
- if (SemaRef.SubstTemplateArguments(ArgLocs, TemplateArgs, InstTemplateArgs))
- return nullptr;
+ TemplateArgumentListInfo InstTemplateArgs;
+ if (const ASTTemplateArgumentListInfo *TemplateArgsInfo =
+ D->getTemplateArgsAsWritten()) {
+ InstTemplateArgs.setLAngleLoc(TemplateArgsInfo->getLAngleLoc());
+ InstTemplateArgs.setRAngleLoc(TemplateArgsInfo->getRAngleLoc());
+
+ if (SemaRef.SubstTemplateArguments(TemplateArgsInfo->arguments(),
+ TemplateArgs, InstTemplateArgs))
+ return nullptr;
+ }
// Check that the template argument list is well-formed for this
// class template.
@@ -3874,6 +3875,7 @@ TemplateDeclInstantiator::VisitClassTemplateSpecializationDecl(
ClassTemplateSpecializationDecl::Create(
SemaRef.Context, D->getTagKind(), Owner, D->getBeginLoc(),
D->getLocation(), InstClassTemplate, CanonicalConverted, PrevDecl);
+ InstD->setTemplateArgsAsWritten(InstTemplateArgs);
// Add this partial specialization to the set of class template partial
// specializations.
@@ -3890,21 +3892,9 @@ TemplateDeclInstantiator::VisitClassTemplateSpecializationDecl(
TemplateName(InstClassTemplate), CanonicalConverted,
SemaRef.Context.getRecordType(InstD));
- // Build the fully-sugared type for this class template
- // specialization as the user wrote in the specialization
- // itself. This means that we'll pretty-print the type retrieved
- // from the specialization's declaration the way that the user
- // actually wrote the specialization, rather than formatting the
- // name based on the "canonical" representation used to store the
- // template arguments in the specialization.
- TypeSourceInfo *WrittenTy = SemaRef.Context.getTemplateSpecializationTypeInfo(
- TemplateName(InstClassTemplate), D->getLocation(), InstTemplateArgs,
- CanonType);
-
InstD->setAccess(D->getAccess());
InstD->setInstantiationOfMemberClass(D, TSK_ImplicitInstantiation);
InstD->setSpecializationKind(D->getSpecializationKind());
- InstD->setTypeAsWritten(WrittenTy);
InstD->setExternLoc(D->getExternLoc());
InstD->setTemplateKeywordLoc(D->getTemplateKeywordLoc());
@@ -3939,7 +3929,7 @@ Decl *TemplateDeclInstantiator::VisitVarTemplateSpecializationDecl(
// Substitute the current template arguments.
if (const ASTTemplateArgumentListInfo *TemplateArgsInfo =
- D->getTemplateArgsInfo()) {
+ D->getTemplateArgsAsWritten()) {
VarTemplateArgsInfo.setLAngleLoc(TemplateArgsInfo->getLAngleLoc());
VarTemplateArgsInfo.setRAngleLoc(TemplateArgsInfo->getRAngleLoc());
@@ -3997,7 +3987,7 @@ Decl *TemplateDeclInstantiator::VisitVarTemplateSpecializationDecl(
VarTemplateSpecializationDecl *Var = VarTemplateSpecializationDecl::Create(
SemaRef.Context, Owner, D->getInnerLocStart(), D->getLocation(),
VarTemplate, DI->getType(), DI, D->getStorageClass(), Converted);
- Var->setTemplateArgsInfo(TemplateArgsInfo);
+ Var->setTemplateArgsAsWritten(TemplateArgsInfo);
if (!PrevDecl) {
void *InsertPos = nullptr;
VarTemplate->findSpecialization(Converted, InsertPos);
@@ -4239,19 +4229,21 @@ TemplateDeclInstantiator::InstantiateClassTemplatePartialSpecialization(
QualType CanonType = SemaRef.Context.getTemplateSpecializationType(
TemplateName(ClassTemplate), CanonicalConverted);
- // Build the fully-sugared type for this class template
- // specialization as the user wrote in the specialization
- // itself. This means that we'll pretty-print the type retrieved
- // from the specialization's declaration the way that the user
- // actually wrote the specialization, rather than formatting the
- // name based on the "canonical" representation used to store the
- // template arguments in the specialization.
- TypeSourceInfo *WrittenTy
- = SemaRef.Context.getTemplateSpecializationTypeInfo(
- TemplateName(ClassTemplate),
- PartialSpec->getLocation(),
- InstTemplateArgs,
- CanonType);
+ // Create the class template partial specialization declaration.
+ ClassTemplatePartialSpecializationDecl *InstPartialSpec =
+ ClassTemplatePartialSpecializationDecl::Create(
+ SemaRef.Context, PartialSpec->getTagKind(), Owner,
+ PartialSpec->getBeginLoc(), PartialSpec->getLocation(), InstParams,
+ ClassTemplate, CanonicalConverted, CanonType,
+ /*PrevDecl=*/nullptr);
+
+ InstPartialSpec->setTemplateArgsAsWritten(InstTemplateArgs);
+
+ // Substitute the nested name specifier, if any.
+ if (SubstQualifier(PartialSpec, InstPartialSpec))
+ return nullptr;
+
+ InstPartialSpec->setInstantiatedFromMember(PartialSpec);
if (PrevDecl) {
// We've already seen a partial specialization with the same template
@@ -4269,28 +4261,14 @@ TemplateDeclInstantiator::InstantiateClassTemplatePartialSpecialization(
//
// Outer<int, int> outer; // error: the partial specializations of Inner
// // have the same signature.
- SemaRef.Diag(PartialSpec->getLocation(), diag::err_partial_spec_redeclared)
- << WrittenTy->getType();
+ SemaRef.Diag(InstPartialSpec->getLocation(),
+ diag::err_partial_spec_redeclared)
+ << InstPartialSpec;
SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here)
<< SemaRef.Context.getTypeDeclType(PrevDecl);
return nullptr;
}
-
- // Create the class template partial specialization declaration.
- ClassTemplatePartialSpecializationDecl *InstPartialSpec =
- ClassTemplatePartialSpecializationDecl::Create(
- SemaRef.Context, PartialSpec->getTagKind(), Owner,
- PartialSpec->getBeginLoc(), PartialSpec->getLocation(), InstParams,
- ClassTemplate, CanonicalConverted, InstTemplateArgs, CanonType,
- nullptr);
- // Substitute the nested name specifier, if any.
- if (SubstQualifier(PartialSpec, InstPartialSpec))
- return nullptr;
-
- InstPartialSpec->setInstantiatedFromMember(PartialSpec);
- InstPartialSpec->setTypeAsWritten(WrittenTy);
-
// Check the completed partial specialization.
SemaRef.CheckTemplatePartialSpecialization(InstPartialSpec);
@@ -4359,46 +4337,6 @@ TemplateDeclInstantiator::InstantiateVarTemplatePartialSpecialization(
VarTemplate->findPartialSpecialization(CanonicalConverted, InstParams,
InsertPos);
- // Build the canonical type that describes the converted template
- // arguments of the variable template partial specialization.
- QualType CanonType = SemaRef.Context.getTemplateSpecializationType(
- TemplateName(VarTemplate), CanonicalConverted);
-
- // Build the fully-sugared type for this variable template
- // specialization as the user wrote in the specialization
- // itself. This means that we'll pretty-print the type retrieved
- // from the specialization's declaration the way that the user
- // actually wrote the specialization, rather than formatting the
- // name based on the "canonical" representation used to store the
- // template arguments in the specialization.
- TypeSourceInfo *WrittenTy = SemaRef.Context.getTemplateSpecializationTypeInfo(
- TemplateName(VarTemplate), PartialSpec->getLocation(), InstTemplateArgs,
- CanonType);
-
- if (PrevDecl) {
- // We've already seen a partial specialization with the same template
- // parameters and template arguments. This can happen, for example, when
- // substituting the outer template arguments ends up causing two
- // variable template partial specializations of a member variable template
- // to have identical forms, e.g.,
- //
- // template<typename T, typename U>
- // struct Outer {
- // template<typename X, typename Y> pair<X,Y> p;
- // template<typename Y> pair<T, Y> p;
- // template<typename Y> pair<U, Y> p;
- // };
- //
- // Outer<int, int> outer; // error: the partial specializations of Inner
- // // have the same signature.
- SemaRef.Diag(PartialSpec->getLocation(),
- diag::err_var_partial_spec_redeclared)
- << WrittenTy->getType();
- SemaRef.Diag(PrevDecl->getLocation(),
- diag::note_var_prev_partial_spec_here);
- return nullptr;
- }
-
// Do substitution on the type of the declaration
TypeSourceInfo *DI = SemaRef.SubstType(
PartialSpec->getTypeSourceInfo(), TemplateArgs,
@@ -4418,16 +4356,39 @@ TemplateDeclInstantiator::InstantiateVarTemplatePartialSpecialization(
VarTemplatePartialSpecializationDecl::Create(
SemaRef.Context, Owner, PartialSpec->getInnerLocStart(),
PartialSpec->getLocation(), InstParams, VarTemplate, DI->getType(),
- DI, PartialSpec->getStorageClass(), CanonicalConverted,
- InstTemplateArgs);
+ DI, PartialSpec->getStorageClass(), CanonicalConverted);
+
+ InstPartialSpec->setTemplateArgsAsWritten(InstTemplateArgs);
// Substitute the nested name specifier, if any.
if (SubstQualifier(PartialSpec, InstPartialSpec))
return nullptr;
InstPartialSpec->setInstantiatedFromMember(PartialSpec);
- InstPartialSpec->setTypeAsWritten(WrittenTy);
+ if (PrevDecl) {
+ // We've already seen a partial specialization with the same template
+ // parameters and template arguments. This can happen, for example, when
+ // substituting the outer template arguments ends up causing two
+ // variable template partial specializations of a member variable template
+ // to have identical forms, e.g.,
+ //
+ // template<typename T, typename U>
+ // struct Outer {
+ // template<typename X, typename Y> pair<X,Y> p;
+ // template<typename Y> pair<T, Y> p;
+ // template<typename Y> pair<U, Y> p;
+ // };
+ //
+ // Outer<int, int> outer; // error: the partial specializations of Inner
+ // // have the same signature.
+ SemaRef.Diag(PartialSpec->getLocation(),
+ diag::err_var_partial_spec_redeclared)
+ << InstPartialSpec;
+ SemaRef.Diag(PrevDecl->getLocation(),
+ diag::note_var_prev_partial_spec_here);
+ return nullptr;
+ }
// Check the completed partial specialization.
SemaRef.CheckTemplatePartialSpecialization(InstPartialSpec);
@@ -5684,7 +5645,7 @@ void Sema::InstantiateVariableDefinition(SourceLocation PointOfInstantiation,
TemplateArgumentListInfo TemplateArgInfo;
if (const ASTTemplateArgumentListInfo *ArgInfo =
- VarSpec->getTemplateArgsInfo()) {
+ VarSpec->getTemplateArgsAsWritten()) {
TemplateArgInfo.setLAngleLoc(ArgInfo->getLAngleLoc());
TemplateArgInfo.setRAngleLoc(ArgInfo->getRAngleLoc());
for (const TemplateArgumentLoc &Arg : ArgInfo->arguments())
diff --git a/clang/lib/Serialization/ASTReaderDecl.cpp b/clang/lib/Serialization/ASTReaderDecl.cpp
index ffba04f28782ea..74bf965f2438ad 100644
--- a/clang/lib/Serialization/ASTReaderDecl.cpp
+++ b/clang/lib/Serialization/ASTReaderDecl.cpp
@@ -2545,10 +2545,13 @@ ASTDeclReader::VisitClassTemplateSpecializationDeclImpl(
}
// Explicit info.
- if (TypeSourceInfo *TyInfo = readTypeSourceInfo()) {
+ if (Record.readBool()) {
+ // FIXME: We don't need to allocate this if ExternLoc and TemplateKeywordLoc
+ // are invalid!
auto *ExplicitInfo =
- new (C) ClassTemplateSpecializationDecl::ExplicitSpecializationInfo;
- ExplicitInfo->TypeAsWritten = TyInfo;
+ new (C) ClassTemplateSpecializationDecl::ExplicitInstantiationInfo;
+ ExplicitInfo->TemplateArgsAsWritten =
+ Record.readASTTemplateArgumentListInfo();
ExplicitInfo->ExternLoc = readSourceLocation();
ExplicitInfo->TemplateKeywordLoc = readSourceLocation();
D->ExplicitInfo = ExplicitInfo;
@@ -2563,7 +2566,6 @@ void ASTDeclReader::VisitClassTemplatePartialSpecializationDecl(
// need them for profiling
TemplateParameterList *Params = Record.readTemplateParameterList();
D->TemplateParams = Params;
- D->ArgsAsWritten = Record.readASTTemplateArgumentListInfo();
RedeclarableResult Redecl = VisitClassTemplateSpecializationDeclImpl(D);
@@ -2614,10 +2616,13 @@ ASTDeclReader::VisitVarTemplateSpecializationDeclImpl(
}
// Explicit info.
- if (TypeSourceInfo *TyInfo = readTypeSourceInfo()) {
+ if (Record.readBool()) {
+ // FIXME: We don't need to allocate this if ExternLoc and TemplateKeywordLoc
+ // are invalid!
auto *ExplicitInfo =
- new (C) VarTemplateSpecializationDecl::ExplicitSpecializationInfo;
- ExplicitInfo->TypeAsWritten = TyInfo;
+ new (C) VarTemplateSpecializationDecl::ExplicitInstantiationInfo;
+ ExplicitInfo->TemplateArgsAsWritten =
+ Record.readASTTemplateArgumentListInfo();
ExplicitInfo->ExternLoc = readSourceLocation();
ExplicitInfo->TemplateKeywordLoc = readSourceLocation();
D->ExplicitInfo = ExplicitInfo;
@@ -2662,7 +2667,6 @@ void ASTDeclReader::VisitVarTemplatePartialSpecializationDecl(
VarTemplatePartialSpecializationDecl *D) {
TemplateParameterList *Params = Record.readTemplateParameterList();
D->TemplateParams = Params;
- D->ArgsAsWritten = Record.readASTTemplateArgumentListInfo();
RedeclarableResult Redecl = VisitVarTemplateSpecializationDeclImpl(D);
diff --git a/clang/lib/Serialization/ASTWriterDecl.cpp b/clang/lib/Serialization/ASTWriterDecl.cpp
index f224075643e998..f99f0855ba1d56 100644
--- a/clang/lib/Serialization/ASTWriterDecl.cpp
+++ b/clang/lib/Serialization/ASTWriterDecl.cpp
@@ -1707,8 +1707,11 @@ void ASTDeclWriter::VisitClassTemplateSpecializationDecl(
}
// Explicit info.
- Record.AddTypeSourceInfo(D->getTypeAsWritten());
- if (D->getTypeAsWritten()) {
+ const ASTTemplateArgumentListInfo *ArgsWritten =
+ D->getTemplateArgsAsWritten();
+ Record.push_back(static_cast<bool>(ArgsWritten));
+ if (ArgsWritten) {
+ Record.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten());
Record.AddSourceLocation(D->getExternLoc());
Record.AddSourceLocation(D->getTemplateKeywordLoc());
}
@@ -1719,7 +1722,6 @@ void ASTDeclWriter::VisitClassTemplateSpecializationDecl(
void ASTDeclWriter::VisitClassTemplatePartialSpecializationDecl(
ClassTemplatePartialSpecializationDecl *D) {
Record.AddTemplateParameterList(D->getTemplateParameters());
- Record.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten());
VisitClassTemplateSpecializationDecl(D);
@@ -1754,8 +1756,11 @@ void ASTDeclWriter::VisitVarTemplateSpecializationDecl(
}
// Explicit info.
- Record.AddTypeSourceInfo(D->getTypeAsWritten());
- if (D->getTypeAsWritten()) {
+ const ASTTemplateArgumentListInfo *ArgsWritten =
+ D->getTemplateArgsAsWritten();
+ Record.push_back(static_cast<bool>(ArgsWritten));
+ if (ArgsWritten) {
+ Record.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten());
Record.AddSourceLocation(D->getExternLoc());
Record.AddSourceLocation(D->getTemplateKeywordLoc());
}
@@ -1780,7 +1785,6 @@ void ASTDeclWriter::VisitVarTemplateSpecializationDecl(
void ASTDeclWriter::VisitVarTemplatePartialSpecializationDecl(
VarTemplatePartialSpecializationDecl *D) {
Record.AddTemplateParameterList(D->getTemplateParameters());
- Record.AddASTTemplateArgumentListInfo(D->getTemplateArgsAsWritten());
VisitVarTemplateSpecializationDecl(D);
diff --git a/clang/test/AST/ast-dump-template-decls.cpp b/clang/test/AST/ast-dump-template-decls.cpp
index 142bc9e6ad9a0e..37f6d8a0472d30 100644
--- a/clang/test/AST/ast-dump-template-decls.cpp
+++ b/clang/test/AST/ast-dump-template-decls.cpp
@@ -1,12 +1,12 @@
// Test without serialization:
// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown -ast-dump %s \
-// RUN: | FileCheck -strict-whitespace %s --check-prefix=DIRECT
+// RUN: | FileCheck -strict-whitespace %s
//
// Test with serialization:
// RUN: %clang_cc1 -std=c++17 -triple x86_64-unknown-unknown -emit-pch -o %t %s
// RUN: %clang_cc1 -x c++ -std=c++17 -triple x86_64-unknown-unknown -include-pch %t -ast-dump-all /dev/null \
// RUN: | sed -e "s/ <undeserialized declarations>//" -e "s/ imported//" \
-// RUN: | FileCheck --strict-whitespace %s --check-prefix=SERIALIZED
+// RUN: | FileCheck --strict-whitespace %s
template <typename Ty>
// CHECK: FunctionTemplateDecl 0x{{[^ ]*}} <{{.*}}:1, line:[[@LINE+2]]:10> col:6 a
@@ -189,15 +189,13 @@ T unTempl = 1;
template<>
int unTempl<int>;
-// FIXME (#61680) - serializing and loading AST should not affect reported source range
-// DIRECT: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:16> col:5 unTempl 'int'
-// SERIALIZED: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:5> col:5 unTempl 'int'
+// CHECK: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:16> col:5 unTempl 'int'
// CHECK-NEXT: `-TemplateArgument type 'int'
// CHECK-NEXT: `-BuiltinType 0x{{[^ ]*}} 'int'
template<>
float unTempl<float> = 1;
-// CHECK: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:24> col:7 unTempl 'float' cinit
+// CHECK: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:24> col:7 unTempl 'float'
// CHECK-NEXT: |-TemplateArgument type 'float'
// CHECK-NEXT: | `-BuiltinType 0x{{[^ ]*}} 'float'
// CHECK-NEXT: `-ImplicitCastExpr 0x{{[^ ]*}} <col:24> 'float' <IntegralToFloating>
@@ -222,7 +220,7 @@ int binTempl<int, U>;
template<class U>
float binTempl<float, U> = 1;
-// CHECK: VarTemplatePartialSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:24> col:7 binTempl 'float' cinit
+// CHECK: VarTemplatePartialSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:28> col:7 binTempl 'float'
// CHECK-NEXT: |-TemplateTypeParmDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:10, col:16> col:16 referenced class depth 0 index 0 U
// CHECK-NEXT: |-TemplateArgument type 'float'
// CHECK-NEXT: | `-BuiltinType 0x{{[^ ]*}} 'float'
@@ -233,9 +231,7 @@ float binTempl<float, U> = 1;
template<>
int binTempl<int, int>;
-// FIXME (#61680) - serializing and loading AST should not affect reported source range
-// DIRECT: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:22> col:5 binTempl 'int'
-// SERIALIZED: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:5> col:5 binTempl 'int'
+// CHECK: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:22> col:5 binTempl 'int'
// CHECK-NEXT: |-TemplateArgument type 'int'
// CHECK-NEXT: | `-BuiltinType 0x{{[^ ]*}} 'int'
// CHECK-NEXT: `-TemplateArgument type 'int'
@@ -243,7 +239,7 @@ int binTempl<int, int>;
template<>
float binTempl<float, float> = 1;
-// CHECK: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:32> col:7 binTempl 'float' cinit
+// CHECK: VarTemplateSpecializationDecl 0x{{[^ ]*}} <line:{{[0-9]+}}:1, line:{{[0-9]+}}:32> col:7 binTempl 'float'
// CHECK-NEXT: |-TemplateArgument type 'float'
// CHECK-NEXT: | `-BuiltinType 0x{{[^ ]*}} 'float'
// CHECK-NEXT: |-TemplateArgument type 'float'
diff --git a/clang/test/CXX/drs/dr7xx.cpp b/clang/test/CXX/drs/dr7xx.cpp
index 2cbdc218ab7b5b..b09d97af25de86 100644
--- a/clang/test/CXX/drs/dr7xx.cpp
+++ b/clang/test/CXX/drs/dr7xx.cpp
@@ -279,7 +279,7 @@ namespace dr727 { // dr727: partial
// cxx98-11-error at -1 {{variable templates are a C++14 extension}}
// cxx98-14-error at -2 {{inline variables are a C++17 extension}}
template<> static inline int v2<T>; // #dr727-v2-T
- // cxx98-14-error at -1 {{inline variables are a C++17 extension}}
+ // cxx98-14-error at -1 {{inline variables are a C++17 extension}}
template<> static inline int v2<U>;
// cxx98-14-error at -1 {{inline variables are a C++17 extension}}
// expected-error at -2 {{duplicate member 'v2'}}
diff --git a/clang/test/Index/Core/index-source.cpp b/clang/test/Index/Core/index-source.cpp
index 8f9fbc4c8d29c4..de2f6e11f778ae 100644
--- a/clang/test/Index/Core/index-source.cpp
+++ b/clang/test/Index/Core/index-source.cpp
@@ -285,20 +285,16 @@ template<>
class SpecializationDecl<int>;
// CHECK: [[@LINE-1]]:7 | class(Gen,TS)/C++ | SpecializationDecl | c:@S at SpecializationDecl>#I | <no-cgname> | Decl,RelSpecialization | rel: 1
// CHECK-NEXT: RelSpecialization | SpecializationDecl | c:@ST>1#T at SpecializationDecl
-// CHECK: [[@LINE-3]]:7 | class(Gen,TS)/C++ | SpecializationDecl | c:@S at SpecializationDecl>#I | <no-cgname> | Ref | rel: 0
template<>
class SpecializationDecl<int> { };
// CHECK: [[@LINE-1]]:7 | class(Gen,TS)/C++ | SpecializationDecl | c:@S at SpecializationDecl>#I | <no-cgname> | Def,RelSpecialization | rel: 1
// CHECK-NEXT: RelSpecialization | SpecializationDecl | c:@ST>1#T at SpecializationDecl
-// CHECK-NEXT: [[@LINE-3]]:7 | class(Gen,TS)/C++ | SpecializationDecl | c:@S at SpecializationDecl>#I | <no-cgname> | Ref | rel: 0
template<typename T>
class PartialSpecilizationClass<Cls, T>;
// CHECK: [[@LINE-1]]:7 | class(Gen,TPS)/C++ | PartialSpecilizationClass | c:@SP>1#T at PartialSpecilizationClass>#$@S at Cls#t0.0 | <no-cgname> | Decl,RelSpecialization | rel: 1
// CHECK-NEXT: RelSpecialization | PartialSpecilizationClass | c:@ST>2#T#T at PartialSpecilizationClass
-// CHECK: [[@LINE-3]]:7 | class(Gen)/C++ | PartialSpecilizationClass | c:@ST>2#T#T at PartialSpecilizationClass | <no-cgname> | Ref | rel: 0
-// CHECK-NEXT: [[@LINE-4]]:33 | class/C++ | Cls | c:@S at Cls | <no-cgname> | Ref | rel: 0
template<>
class PartialSpecilizationClass<Cls, Cls> : Cls { };
@@ -306,9 +302,6 @@ class PartialSpecilizationClass<Cls, Cls> : Cls { };
// CHECK-NEXT: RelSpecialization | PartialSpecilizationClass | c:@ST>2#T#T at PartialSpecilizationClass
// CHECK-NEXT: [[@LINE-3]]:45 | class/C++ | Cls | c:@S at Cls | <no-cgname> | Ref,RelBase,RelCont | rel: 1
// CHECK-NEXT: RelBase,RelCont | PartialSpecilizationClass | c:@S at PartialSpecilizationClass>#$@S at Cls#S0_
-// CHECK-NEXT: [[@LINE-5]]:7 | class(Gen,TS)/C++ | PartialSpecilizationClass | c:@S at PartialSpecilizationClass>#$@S at Cls#S0_ | <no-cgname> | Ref | rel: 0
-// CHECK-NEXT: [[@LINE-6]]:33 | class/C++ | Cls | c:@S at Cls | <no-cgname> | Ref | rel: 0
-// CHECK-NEXT: [[@LINE-7]]:38 | class/C++ | Cls | c:@S at Cls | <no-cgname> | Ref | rel: 0
template<typename T, int x>
void functionSp() { }
@@ -332,10 +325,6 @@ class ClassWithCorrectSpecialization { };
template<>
class ClassWithCorrectSpecialization<SpecializationDecl<Cls>, Record::C> { };
-// CHECK: [[@LINE-1]]:38 | class(Gen)/C++ | SpecializationDecl | c:@ST>1#T at SpecializationDecl | <no-cgname> | Ref | rel: 0
-// CHECK: [[@LINE-2]]:57 | class/C++ | Cls | c:@S at Cls | <no-cgname> | Ref | rel: 0
-// CHECK: [[@LINE-3]]:71 | static-property/C++ | C | c:@S at Record@C | __ZN6Record1CE | Ref,Read | rel: 0
-// CHECK: [[@LINE-4]]:63 | struct/C++ | Record | c:@S at Record | <no-cgname> | Ref | rel: 0
namespace ns {
// CHECK: [[@LINE-1]]:11 | namespace/C++ | ns | c:@N at ns | <no-cgname> | Decl | rel: 0
diff --git a/clang/test/Index/index-refs.cpp b/clang/test/Index/index-refs.cpp
index 0e613e48522b12..14946849777d44 100644
--- a/clang/test/Index/index-refs.cpp
+++ b/clang/test/Index/index-refs.cpp
@@ -108,7 +108,6 @@ int ginitlist[] = {EnumVal};
// CHECK: [indexDeclaration]: kind: c++-class-template | name: TS | {{.*}} | loc: 47:8
// CHECK-NEXT: [indexDeclaration]: kind: struct-template-partial-spec | name: TS | USR: c:@SP>1#T at TS>#t0.0#I | {{.*}} | loc: 50:8
// CHECK-NEXT: [indexDeclaration]: kind: typedef | name: MyInt | USR: c:index-refs.cpp at SP>1#T at TS>#t0.0#I at T@MyInt | {{.*}} | loc: 51:15 | semantic-container: [TS:50:8] | lexical-container: [TS:50:8]
-// CHECK-NEXT: [indexEntityReference]: kind: c++-class-template | name: TS | USR: c:@ST>2#T#T at TS | lang: C++ | cursor: TemplateRef=TS:47:8 | loc: 50:8 | <parent>:: <<NULL>> | container: [TU] | refkind: direct | role: ref
/* when indexing implicit instantiations
[indexDeclaration]: kind: struct-template-spec | name: TS | USR: c:@S at TS>#I | {{.*}} | loc: 50:8
[indexDeclaration]: kind: typedef | name: MyInt | USR: c:index-refs.cpp at 593@S at TS>#I at T@MyInt | {{.*}} | loc: 51:15 | semantic-container: [TS:50:8] | lexical-container: [TS:50:8]
diff --git a/clang/tools/libclang/CIndex.cpp b/clang/tools/libclang/CIndex.cpp
index 4ded92cbe9aea4..e2cab22c89452d 100644
--- a/clang/tools/libclang/CIndex.cpp
+++ b/clang/tools/libclang/CIndex.cpp
@@ -742,14 +742,10 @@ bool CursorVisitor::VisitClassTemplateSpecializationDecl(
}
// Visit the template arguments used in the specialization.
- if (TypeSourceInfo *SpecType = D->getTypeAsWritten()) {
- TypeLoc TL = SpecType->getTypeLoc();
- if (TemplateSpecializationTypeLoc TSTLoc =
- TL.getAs<TemplateSpecializationTypeLoc>()) {
- for (unsigned I = 0, N = TSTLoc.getNumArgs(); I != N; ++I)
- if (VisitTemplateArgumentLoc(TSTLoc.getArgLoc(I)))
- return true;
- }
+ if (const auto *ArgsWritten = D->getTemplateArgsAsWritten()) {
+ for (const TemplateArgumentLoc &Arg : ArgsWritten->arguments())
+ if (VisitTemplateArgumentLoc(Arg))
+ return true;
}
return ShouldVisitBody && VisitCXXRecordDecl(D);
@@ -5552,16 +5548,19 @@ CXString clang_getCursorDisplayName(CXCursor C) {
if (const ClassTemplateSpecializationDecl *ClassSpec =
dyn_cast<ClassTemplateSpecializationDecl>(D)) {
- // If the type was explicitly written, use that.
- if (TypeSourceInfo *TSInfo = ClassSpec->getTypeAsWritten())
- return cxstring::createDup(TSInfo->getType().getAsString(Policy));
-
SmallString<128> Str;
llvm::raw_svector_ostream OS(Str);
OS << *ClassSpec;
- printTemplateArgumentList(
- OS, ClassSpec->getTemplateArgs().asArray(), Policy,
- ClassSpec->getSpecializedTemplate()->getTemplateParameters());
+ // If the template arguments were written explicitly, use them..
+ if (const auto *ArgsWritten = ClassSpec->getTemplateArgsAsWritten()) {
+ printTemplateArgumentList(
+ OS, ArgsWritten->arguments(), Policy,
+ ClassSpec->getSpecializedTemplate()->getTemplateParameters());
+ } else {
+ printTemplateArgumentList(
+ OS, ClassSpec->getTemplateArgs().asArray(), Policy,
+ ClassSpec->getSpecializedTemplate()->getTemplateParameters());
+ }
return cxstring::createDup(OS.str());
}
diff --git a/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp
index ae30c03126d768..27d47264ec5ce8 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersNodeTest.cpp
@@ -2213,18 +2213,6 @@ TEST_P(ASTMatchersTest, ReferenceTypeLocTest_BindsToAnyRvalueReferenceTypeLoc) {
EXPECT_TRUE(matches("float&& r = 3.0;", matcher));
}
-TEST_P(
- ASTMatchersTest,
- TemplateSpecializationTypeLocTest_BindsToTemplateSpecializationExplicitInstantiation) {
- if (!GetParam().isCXX()) {
- return;
- }
- EXPECT_TRUE(
- matches("template <typename T> class C {}; template class C<int>;",
- classTemplateSpecializationDecl(
- hasName("C"), hasTypeLoc(templateSpecializationTypeLoc()))));
-}
-
TEST_P(ASTMatchersTest,
TemplateSpecializationTypeLocTest_BindsToVarDeclTemplateSpecialization) {
if (!GetParam().isCXX()) {
diff --git a/clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp b/clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
index 6911d7600a7188..6741a04fa60dac 100644
--- a/clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
+++ b/clang/unittests/ASTMatchers/ASTMatchersTraversalTest.cpp
@@ -430,12 +430,6 @@ TEST(HasTypeLoc, MatchesCXXUnresolvedConstructExpr) {
cxxUnresolvedConstructExpr(hasTypeLoc(loc(asString("T"))))));
}
-TEST(HasTypeLoc, MatchesClassTemplateSpecializationDecl) {
- EXPECT_TRUE(matches(
- "template <typename T> class Foo; template <> class Foo<int> {};",
- classTemplateSpecializationDecl(hasTypeLoc(loc(asString("Foo<int>"))))));
-}
-
TEST(HasTypeLoc, MatchesCompoundLiteralExpr) {
EXPECT_TRUE(
matches("int* x = (int[2]) { 0, 1 };",
@@ -6316,6 +6310,15 @@ TEST(HasAnyTemplateArgumentLoc, BindsToSpecializationWithDoubleArgument) {
hasTypeLoc(loc(asString("double")))))))))));
}
+TEST(HasAnyTemplateArgumentLoc, BindsToExplicitSpecializationWithIntArgument) {
+ EXPECT_TRUE(
+ matches("template<typename T> class A {}; template<> class A<int> {};",
+ classTemplateSpecializationDecl(
+ hasName("A"), hasAnyTemplateArgument(templateArgument(
+ refersToType(asString("int")))))));
+}
+
+#if 0
TEST(HasAnyTemplateArgumentLoc, BindsToExplicitSpecializationWithIntArgument) {
EXPECT_TRUE(matches(
"template<typename T> class A {}; template<> class A<int> {};",
@@ -6371,6 +6374,7 @@ TEST(HasAnyTemplateArgumentLoc,
hasTypeLoc(templateSpecializationTypeLoc(hasAnyTemplateArgumentLoc(
hasTypeLoc(loc(asString("double")))))))));
}
+#endif
TEST(HasTemplateArgumentLoc, BindsToSpecializationWithIntArgument) {
EXPECT_TRUE(
@@ -6390,6 +6394,7 @@ TEST(HasTemplateArgumentLoc, BindsToSpecializationWithDoubleArgument) {
0, hasTypeLoc(loc(asString("double")))))))))));
}
+#if 0
TEST(HasTemplateArgumentLoc, BindsToExplicitSpecializationWithIntArgument) {
EXPECT_TRUE(matches(
"template<typename T> class A {}; template<> class A<int> {};",
@@ -6478,6 +6483,7 @@ TEST(HasTemplateArgumentLoc, DoesNotBindWithBadIndex) {
hasTypeLoc(templateSpecializationTypeLoc(hasTemplateArgumentLoc(
100, hasTypeLoc(loc(asString("int")))))))));
}
+#endif
TEST(HasTemplateArgumentLoc, BindsToDeclRefExprWithIntArgument) {
EXPECT_TRUE(matches(R"(
More information about the cfe-commits
mailing list