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Diffstat (limited to 'lib/Index/IndexDecl.cpp')
-rw-r--r--lib/Index/IndexDecl.cpp122
1 files changed, 91 insertions, 31 deletions
diff --git a/lib/Index/IndexDecl.cpp b/lib/Index/IndexDecl.cpp
index 0e893505516f9..c1eed1684cbd5 100644
--- a/lib/Index/IndexDecl.cpp
+++ b/lib/Index/IndexDecl.cpp
@@ -14,6 +14,13 @@
using namespace clang;
using namespace index;
+#define TRY_DECL(D,CALL_EXPR) \
+ do { \
+ if (!IndexCtx.shouldIndex(D)) return true; \
+ if (!CALL_EXPR) \
+ return false; \
+ } while (0)
+
#define TRY_TO(CALL_EXPR) \
do { \
if (!CALL_EXPR) \
@@ -120,8 +127,7 @@ public:
D->getDeclContext(), 0);
}
- if (!IndexCtx.handleDecl(D, MethodLoc, Roles, Relations))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D, MethodLoc, Roles, Relations));
IndexCtx.indexTypeSourceInfo(D->getReturnTypeSourceInfo(), D);
bool hasIBActionAndFirst = D->hasAttr<IBActionAttr>();
for (const auto *I : D->parameters()) {
@@ -138,6 +144,53 @@ public:
return true;
}
+ /// Gather the declarations which the given declaration \D overrides in a
+ /// pseudo-override manner.
+ ///
+ /// Pseudo-overrides occur when a class template specialization declares
+ /// a declaration that has the same name as a similar declaration in the
+ /// non-specialized template.
+ void
+ gatherTemplatePseudoOverrides(const NamedDecl *D,
+ SmallVectorImpl<SymbolRelation> &Relations) {
+ if (!IndexCtx.getLangOpts().CPlusPlus)
+ return;
+ const auto *CTSD =
+ dyn_cast<ClassTemplateSpecializationDecl>(D->getLexicalDeclContext());
+ if (!CTSD)
+ return;
+ llvm::PointerUnion<ClassTemplateDecl *,
+ ClassTemplatePartialSpecializationDecl *>
+ Template = CTSD->getSpecializedTemplateOrPartial();
+ if (const auto *CTD = Template.dyn_cast<ClassTemplateDecl *>()) {
+ const CXXRecordDecl *Pattern = CTD->getTemplatedDecl();
+ bool TypeOverride = isa<TypeDecl>(D);
+ for (const NamedDecl *ND : Pattern->lookup(D->getDeclName())) {
+ if (const auto *CTD = dyn_cast<ClassTemplateDecl>(ND))
+ ND = CTD->getTemplatedDecl();
+ if (ND->isImplicit())
+ continue;
+ // Types can override other types.
+ if (!TypeOverride) {
+ if (ND->getKind() != D->getKind())
+ continue;
+ } else if (!isa<TypeDecl>(ND))
+ continue;
+ if (const auto *FD = dyn_cast<FunctionDecl>(ND)) {
+ const auto *DFD = cast<FunctionDecl>(D);
+ // Function overrides are approximated using the number of parameters.
+ if (FD->getStorageClass() != DFD->getStorageClass() ||
+ FD->getNumParams() != DFD->getNumParams())
+ continue;
+ }
+ Relations.emplace_back(
+ SymbolRoleSet(SymbolRole::RelationOverrideOf) |
+ SymbolRoleSet(SymbolRole::RelationSpecializationOf),
+ ND);
+ }
+ }
+ }
+
bool VisitFunctionDecl(const FunctionDecl *D) {
if (D->isDeleted())
return true;
@@ -152,9 +205,13 @@ public:
Relations.emplace_back((unsigned)SymbolRole::RelationOverrideOf, *I);
}
}
+ gatherTemplatePseudoOverrides(D, Relations);
+ if (const auto *Base = D->getPrimaryTemplate())
+ Relations.push_back(
+ SymbolRelation(SymbolRoleSet(SymbolRole::RelationSpecializationOf),
+ Base->getTemplatedDecl()));
- if (!IndexCtx.handleDecl(D, Roles, Relations))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D, Roles, Relations));
handleDeclarator(D);
if (const CXXConstructorDecl *Ctor = dyn_cast<CXXConstructorDecl>(D)) {
@@ -189,16 +246,18 @@ public:
}
bool VisitVarDecl(const VarDecl *D) {
- if (!IndexCtx.handleDecl(D))
- return false;
+ SmallVector<SymbolRelation, 4> Relations;
+ gatherTemplatePseudoOverrides(D, Relations);
+ TRY_DECL(D, IndexCtx.handleDecl(D, SymbolRoleSet(), Relations));
handleDeclarator(D);
IndexCtx.indexBody(D->getInit(), D);
return true;
}
bool VisitFieldDecl(const FieldDecl *D) {
- if (!IndexCtx.handleDecl(D))
- return false;
+ SmallVector<SymbolRelation, 4> Relations;
+ gatherTemplatePseudoOverrides(D, Relations);
+ TRY_DECL(D, IndexCtx.handleDecl(D, SymbolRoleSet(), Relations));
handleDeclarator(D);
if (D->isBitField())
IndexCtx.indexBody(D->getBitWidth(), D);
@@ -212,8 +271,7 @@ public:
// handled in VisitObjCPropertyImplDecl
return true;
}
- if (!IndexCtx.handleDecl(D))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D));
handleDeclarator(D);
return true;
}
@@ -224,17 +282,18 @@ public:
}
bool VisitEnumConstantDecl(const EnumConstantDecl *D) {
- if (!IndexCtx.handleDecl(D))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D));
IndexCtx.indexBody(D->getInitExpr(), D);
return true;
}
bool VisitTypedefNameDecl(const TypedefNameDecl *D) {
- if (!D->isTransparentTag())
- if (!IndexCtx.handleDecl(D))
- return false;
- IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), D);
+ if (!D->isTransparentTag()) {
+ SmallVector<SymbolRelation, 4> Relations;
+ gatherTemplatePseudoOverrides(D, Relations);
+ TRY_DECL(D, IndexCtx.handleDecl(D, SymbolRoleSet(), Relations));
+ IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), D);
+ }
return true;
}
@@ -242,7 +301,9 @@ public:
// Non-free standing tags are handled in indexTypeSourceInfo.
if (D->isFreeStanding()) {
if (D->isThisDeclarationADefinition()) {
- IndexCtx.indexTagDecl(D);
+ SmallVector<SymbolRelation, 4> Relations;
+ gatherTemplatePseudoOverrides(D, Relations);
+ IndexCtx.indexTagDecl(D, Relations);
} else {
auto *Parent = dyn_cast<NamedDecl>(D->getDeclContext());
return IndexCtx.handleReference(D, D->getLocation(), Parent,
@@ -272,7 +333,7 @@ public:
bool VisitObjCInterfaceDecl(const ObjCInterfaceDecl *D) {
if (D->isThisDeclarationADefinition()) {
- TRY_TO(IndexCtx.handleDecl(D));
+ TRY_DECL(D, IndexCtx.handleDecl(D));
SourceLocation SuperLoc = D->getSuperClassLoc();
if (auto *SuperD = D->getSuperClass()) {
bool hasSuperTypedef = false;
@@ -303,7 +364,7 @@ public:
bool VisitObjCProtocolDecl(const ObjCProtocolDecl *D) {
if (D->isThisDeclarationADefinition()) {
- TRY_TO(IndexCtx.handleDecl(D));
+ TRY_DECL(D, IndexCtx.handleDecl(D));
TRY_TO(handleReferencedProtocols(D->getReferencedProtocols(), D,
/*superLoc=*/SourceLocation()));
TRY_TO(IndexCtx.indexDeclContext(D));
@@ -322,8 +383,7 @@ public:
if (Class->isImplicitInterfaceDecl())
IndexCtx.handleDecl(Class);
- if (!IndexCtx.handleDecl(D))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D));
// Visit implicit @synthesize property implementations first as their
// location is reported at the name of the @implementation block. This
@@ -342,6 +402,8 @@ public:
}
bool VisitObjCCategoryDecl(const ObjCCategoryDecl *D) {
+ if (!IndexCtx.shouldIndex(D))
+ return true;
const ObjCInterfaceDecl *C = D->getClassInterface();
if (!C)
return true;
@@ -370,8 +432,7 @@ public:
SourceLocation CategoryLoc = D->getCategoryNameLoc();
if (!CategoryLoc.isValid())
CategoryLoc = D->getLocation();
- if (!IndexCtx.handleDecl(D, CategoryLoc))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D, CategoryLoc));
IndexCtx.indexDeclContext(D);
return true;
}
@@ -393,8 +454,7 @@ public:
if (ObjCMethodDecl *MD = D->getSetterMethodDecl())
if (MD->getLexicalDeclContext() == D->getLexicalDeclContext())
handleObjCMethod(MD, D);
- if (!IndexCtx.handleDecl(D))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D));
if (IBOutletCollectionAttr *attr = D->getAttr<IBOutletCollectionAttr>())
IndexCtx.indexTypeSourceInfo(attr->getInterfaceLoc(), D,
D->getLexicalDeclContext(), false, true);
@@ -415,8 +475,7 @@ public:
Loc = Container->getLocation();
Roles |= (SymbolRoleSet)SymbolRole::Implicit;
}
- if (!IndexCtx.handleDecl(D, Loc, Roles, Relations))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D, Loc, Roles, Relations));
if (D->getPropertyImplementation() == ObjCPropertyImplDecl::Dynamic)
return true;
@@ -450,8 +509,7 @@ public:
} else if (D->getLocation() == IvarLoc) {
IvarRoles = (SymbolRoleSet)SymbolRole::Implicit;
}
- if(!IndexCtx.handleDecl(IvarD, IvarLoc, IvarRoles))
- return false;
+ TRY_DECL(IvarD, IndexCtx.handleDecl(IvarD, IvarLoc, IvarRoles));
} else {
IndexCtx.handleReference(IvarD, D->getPropertyIvarDeclLoc(), nullptr,
D->getDeclContext(), SymbolRoleSet());
@@ -461,8 +519,7 @@ public:
}
bool VisitNamespaceDecl(const NamespaceDecl *D) {
- if (!IndexCtx.handleDecl(D))
- return false;
+ TRY_DECL(D, IndexCtx.handleDecl(D));
IndexCtx.indexDeclContext(D);
return true;
}
@@ -507,6 +564,9 @@ public:
D, SymbolRelation(SymbolRoleSet(SymbolRole::RelationSpecializationOf),
SpecializationOf));
}
+ if (TypeSourceInfo *TSI = D->getTypeAsWritten())
+ IndexCtx.indexTypeSourceInfo(TSI, /*Parent=*/nullptr,
+ D->getLexicalDeclContext());
return true;
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-28 02:09:05 +0000