[libclang] Indexing: only index implicit template instantiations via an opt-in indexing option.

llvm-svn: 150517
This commit is contained in:
Argyrios Kyrtzidis 2012-02-14 22:23:11 +00:00
parent 33e5adea86
commit 7e747957cd
8 changed files with 59 additions and 25 deletions

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@ -4461,7 +4461,13 @@ typedef enum {
* \brief Function-local symbols should be indexed. If this is not set
* function-local symbols will be ignored.
*/
CXIndexOpt_IndexFunctionLocalSymbols = 0x2
CXIndexOpt_IndexFunctionLocalSymbols = 0x2,
/**
* \brief Implicit function/class template instantiations should be indexed.
* If this is not set, implicit instantiations will be ignored.
*/
CXIndexOpt_IndexImplicitTemplateInstantiations = 0x4
} CXIndexOptFlags;
/**

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@ -89,7 +89,12 @@ void foo3() {
// 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@TS>#t0.0#I | {{.*}} | loc: 50:8
// CHECK-NEXT: [indexDeclaration]: kind: typedef | name: MyInt | USR: c:index-refs.cpp@593@SP>1#T@TS>#t0.0#I@T@MyInt | {{.*}} | loc: 51:15 | semantic-container: [TS:50:8] | lexical-container: [TS:50:8]
// CHECK-NEXT: [indexDeclaration]: kind: struct-template-spec | name: TS | USR: c:@S@TS>#I | {{.*}} | loc: 50:8
// CHECK-NEXT: [indexDeclaration]: kind: typedef | name: MyInt | USR: c:index-refs.cpp@593@S@TS>#I@T@MyInt | {{.*}} | loc: 51:15 | semantic-container: [TS:50:8] | lexical-container: [TS:50:8]
/* when indexing implicit instantiations
[indexDeclaration]: kind: struct-template-spec | name: TS | USR: c:@S@TS>#I | {{.*}} | loc: 50:8
[indexDeclaration]: kind: typedef | name: MyInt | USR: c:index-refs.cpp@593@S@TS>#I@T@MyInt | {{.*}} | loc: 51:15 | semantic-container: [TS:50:8] | lexical-container: [TS:50:8]
*/
// CHECK-NEXT: [indexDeclaration]: kind: function | name: foo3
// CHECK-NEXT: [indexEntityReference]: kind: struct-template-spec | name: TS | USR: c:@S@TS>#I | {{.*}} | loc: 55:3
/* when indexing implicit instantiations
[indexEntityReference]: kind: struct-template-spec | name: TS | USR: c:@S@TS>#I | {{.*}} | loc: 55:3
*/
// CHECK-NEXT: [indexEntityReference]: kind: c++-class-template | name: TS | USR: c:@ST>2#T#T@TS | {{.*}} | loc: 55:3

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@ -97,7 +97,7 @@ public:
}
bool VisitDeclStmt(DeclStmt *S) {
if (IndexCtx.indexFunctionLocalSymbols())
if (IndexCtx.shouldIndexFunctionLocalSymbols())
IndexCtx.indexDeclGroupRef(S->getDeclGroup());
return true;
}

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@ -26,7 +26,7 @@ public:
void handleDeclarator(DeclaratorDecl *D, const NamedDecl *Parent = 0) {
if (!Parent) Parent = D;
if (!IndexCtx.indexFunctionLocalSymbols()) {
if (!IndexCtx.shouldIndexFunctionLocalSymbols()) {
IndexCtx.indexTypeSourceInfo(D->getTypeSourceInfo(), Parent);
IndexCtx.indexNestedNameSpecifierLoc(D->getQualifierLoc(), Parent);
} else {
@ -245,9 +245,11 @@ public:
bool VisitClassTemplateSpecializationDecl(
ClassTemplateSpecializationDecl *D) {
// FIXME: Notify subsequent callbacks that info comes from implicit
// FIXME: Notify subsequent callbacks if info comes from implicit
// instantiation.
if (D->isThisDeclarationADefinition())
if (D->isThisDeclarationADefinition() &&
(IndexCtx.shouldIndexImplicitTemplateInsts() ||
!IndexCtx.isTemplateImplicitInstantiation(D)))
IndexCtx.indexTagDecl(D);
return true;
}

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@ -73,9 +73,15 @@ public:
bool VisitTemplateSpecializationTypeLoc(TemplateSpecializationTypeLoc TL) {
if (const TemplateSpecializationType *T = TL.getTypePtr()) {
if (CXXRecordDecl *RD = T->getAsCXXRecordDecl())
IndexCtx.handleReference(RD, TL.getTemplateNameLoc(),
Parent, ParentDC);
if (IndexCtx.shouldIndexImplicitTemplateInsts()) {
if (CXXRecordDecl *RD = T->getAsCXXRecordDecl())
IndexCtx.handleReference(RD, TL.getTemplateNameLoc(),
Parent, ParentDC);
} else {
if (const TemplateDecl *D = T->getTemplateName().getAsTemplateDecl())
IndexCtx.handleReference(D, TL.getTemplateNameLoc(),
Parent, ParentDC);
}
}
return true;
}

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@ -137,11 +137,17 @@ public:
virtual void HandleInterestingDecl(DeclGroupRef D) {}
virtual void HandleTagDeclDefinition(TagDecl *D) {
if (!IndexCtx.shouldIndexImplicitTemplateInsts())
return;
if (IndexCtx.isTemplateImplicitInstantiation(D))
IndexCtx.indexDecl(D);
}
virtual void HandleCXXImplicitFunctionInstantiation(FunctionDecl *D) {
if (!IndexCtx.shouldIndexImplicitTemplateInsts())
return;
IndexCtx.indexDecl(D);
}
};
@ -194,7 +200,12 @@ public:
indexDiagnostics(CXTU, IndexCtx);
}
virtual TranslationUnitKind getTranslationUnitKind() { return TU_Complete; }
virtual TranslationUnitKind getTranslationUnitKind() {
if (IndexCtx.shouldIndexImplicitTemplateInsts())
return TU_Complete;
else
return TU_Prefix;
}
virtual bool hasCodeCompletionSupport() const { return false; }
};

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@ -35,7 +35,7 @@ IndexingContext::ObjCProtocolListInfo::ObjCProtocolListInfo(
IdxCtx.getIndexLoc(Loc) };
ProtInfos.push_back(ProtInfo);
if (IdxCtx.suppressRefs())
if (IdxCtx.shouldSuppressRefs())
IdxCtx.markEntityOccurrenceInFile(PD, Loc);
}
@ -265,11 +265,11 @@ bool IndexingContext::handleDecl(const NamedDecl *D,
ScratchAlloc SA(*this);
getEntityInfo(D, DInfo.EntInfo, SA);
if ((!indexFunctionLocalSymbols() && !DInfo.EntInfo.USR)
if ((!shouldIndexFunctionLocalSymbols() && !DInfo.EntInfo.USR)
|| Loc.isInvalid())
return false;
if (suppressRefs())
if (shouldSuppressRefs())
markEntityOccurrenceInFile(D, Loc);
DInfo.entityInfo = &DInfo.EntInfo;
@ -357,7 +357,7 @@ bool IndexingContext::handleTypedefName(const TypedefNameDecl *D) {
bool IndexingContext::handleObjCInterface(const ObjCInterfaceDecl *D) {
// For @class forward declarations, suppress them the same way as references.
if (!D->isThisDeclarationADefinition()) {
if (suppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
if (shouldSuppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
return false; // already occurred.
// FIXME: This seems like the wrong definition for redeclaration.
@ -382,7 +382,7 @@ bool IndexingContext::handleObjCInterface(const ObjCInterfaceDecl *D) {
BaseClass.cursor = MakeCursorObjCSuperClassRef(SuperD, SuperLoc, CXTU);
BaseClass.loc = getIndexLoc(SuperLoc);
if (suppressRefs())
if (shouldSuppressRefs())
markEntityOccurrenceInFile(SuperD, SuperLoc);
}
@ -411,7 +411,7 @@ bool IndexingContext::handleObjCImplementation(
bool IndexingContext::handleObjCProtocol(const ObjCProtocolDecl *D) {
if (!D->isThisDeclarationADefinition()) {
if (suppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
if (shouldSuppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
return false; // already occurred.
// FIXME: This seems like the wrong definition for redeclaration.
@ -448,7 +448,7 @@ bool IndexingContext::handleObjCCategory(const ObjCCategoryDecl *D) {
: D->getCategoryNameLoc();
getEntityInfo(IFaceD, ClassEntity, SA);
if (suppressRefs())
if (shouldSuppressRefs())
markEntityOccurrenceInFile(IFaceD, ClassLoc);
ObjCProtocolListInfo ProtInfo(D->getReferencedProtocols(), *this, SA);
@ -479,7 +479,7 @@ bool IndexingContext::handleObjCCategoryImpl(const ObjCCategoryImplDecl *D) {
SourceLocation CategoryLoc = D->getCategoryNameLoc();
getEntityInfo(IFaceD, ClassEntity, SA);
if (suppressRefs())
if (shouldSuppressRefs())
markEntityOccurrenceInFile(IFaceD, ClassLoc);
CatDInfo.ObjCCatDeclInfo.containerInfo = &CatDInfo.ObjCContDeclInfo;
@ -573,14 +573,14 @@ bool IndexingContext::handleReference(const NamedDecl *D, SourceLocation Loc,
return false;
if (Loc.isInvalid())
return false;
if (!indexFunctionLocalSymbols() && D->getParentFunctionOrMethod())
if (!shouldIndexFunctionLocalSymbols() && D->getParentFunctionOrMethod())
return false;
if (isNotFromSourceFile(D->getLocation()))
return false;
if (D->isImplicit() && shouldIgnoreIfImplicit(D))
return false;
if (suppressRefs()) {
if (shouldSuppressRefs()) {
if (markEntityOccurrenceInFile(D, Loc))
return false; // already occurred.
}
@ -660,7 +660,7 @@ bool IndexingContext::handleCXXRecordDecl(const CXXRecordDecl *RD,
CXXDInfo.CXXClassInfo.bases = BaseList.getBases();
CXXDInfo.CXXClassInfo.numBases = BaseList.getNumBases();
if (suppressRefs()) {
if (shouldSuppressRefs()) {
// Go through bases and mark them as referenced.
for (unsigned i = 0, e = BaseList.getNumBases(); i != e; ++i) {
const CXIdxBaseClassInfo *baseInfo = BaseList.getBases()[i];

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@ -322,14 +322,18 @@ public:
void setASTContext(ASTContext &ctx);
void setPreprocessor(Preprocessor &PP);
bool suppressRefs() const {
bool shouldSuppressRefs() const {
return IndexOptions & CXIndexOpt_SuppressRedundantRefs;
}
bool indexFunctionLocalSymbols() const {
bool shouldIndexFunctionLocalSymbols() const {
return IndexOptions & CXIndexOpt_IndexFunctionLocalSymbols;
}
bool shouldIndexImplicitTemplateInsts() const {
return IndexOptions & CXIndexOpt_IndexImplicitTemplateInstantiations;
}
bool shouldAbort();
bool hasDiagnosticCallback() const { return CB.diagnostic; }