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-rw-r--r--clang/tools/libclang/IndexingContext.cpp1080
1 files changed, 1080 insertions, 0 deletions
diff --git a/clang/tools/libclang/IndexingContext.cpp b/clang/tools/libclang/IndexingContext.cpp
new file mode 100644
index 0000000..ace5c75
--- /dev/null
+++ b/clang/tools/libclang/IndexingContext.cpp
@@ -0,0 +1,1080 @@
+//===- CIndexHigh.cpp - Higher level API functions ------------------------===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "IndexingContext.h"
+#include "CXTranslationUnit.h"
+#include "CIndexDiagnostic.h"
+
+#include "clang/Frontend/ASTUnit.h"
+#include "clang/AST/DeclCXX.h"
+#include "clang/AST/DeclTemplate.h"
+
+using namespace clang;
+using namespace cxindex;
+using namespace cxcursor;
+
+IndexingContext::ObjCProtocolListInfo::ObjCProtocolListInfo(
+ const ObjCProtocolList &ProtList,
+ IndexingContext &IdxCtx,
+ ScratchAlloc &SA) {
+ ObjCInterfaceDecl::protocol_loc_iterator LI = ProtList.loc_begin();
+ for (ObjCInterfaceDecl::protocol_iterator
+ I = ProtList.begin(), E = ProtList.end(); I != E; ++I, ++LI) {
+ SourceLocation Loc = *LI;
+ ObjCProtocolDecl *PD = *I;
+ ProtEntities.push_back(EntityInfo());
+ IdxCtx.getEntityInfo(PD, ProtEntities.back(), SA);
+ CXIdxObjCProtocolRefInfo ProtInfo = { 0,
+ MakeCursorObjCProtocolRef(PD, Loc, IdxCtx.CXTU),
+ IdxCtx.getIndexLoc(Loc) };
+ ProtInfos.push_back(ProtInfo);
+
+ if (IdxCtx.shouldSuppressRefs())
+ IdxCtx.markEntityOccurrenceInFile(PD, Loc);
+ }
+
+ for (unsigned i = 0, e = ProtInfos.size(); i != e; ++i)
+ ProtInfos[i].protocol = &ProtEntities[i];
+
+ for (unsigned i = 0, e = ProtInfos.size(); i != e; ++i)
+ Prots.push_back(&ProtInfos[i]);
+}
+
+
+IBOutletCollectionInfo::IBOutletCollectionInfo(
+ const IBOutletCollectionInfo &other)
+ : AttrInfo(CXIdxAttr_IBOutletCollection, other.cursor, other.loc, other.A) {
+
+ IBCollInfo.attrInfo = this;
+ IBCollInfo.classCursor = other.IBCollInfo.classCursor;
+ IBCollInfo.classLoc = other.IBCollInfo.classLoc;
+ if (other.IBCollInfo.objcClass) {
+ ClassInfo = other.ClassInfo;
+ IBCollInfo.objcClass = &ClassInfo;
+ } else
+ IBCollInfo.objcClass = 0;
+}
+
+AttrListInfo::AttrListInfo(const Decl *D, IndexingContext &IdxCtx)
+ : SA(IdxCtx), ref_cnt(0) {
+
+ if (!D->hasAttrs())
+ return;
+
+ for (AttrVec::const_iterator AttrI = D->attr_begin(), AttrE = D->attr_end();
+ AttrI != AttrE; ++AttrI) {
+ const Attr *A = *AttrI;
+ CXCursor C = MakeCXCursor(A, const_cast<Decl *>(D), IdxCtx.CXTU);
+ CXIdxLoc Loc = IdxCtx.getIndexLoc(A->getLocation());
+ switch (C.kind) {
+ default:
+ Attrs.push_back(AttrInfo(CXIdxAttr_Unexposed, C, Loc, A));
+ break;
+ case CXCursor_IBActionAttr:
+ Attrs.push_back(AttrInfo(CXIdxAttr_IBAction, C, Loc, A));
+ break;
+ case CXCursor_IBOutletAttr:
+ Attrs.push_back(AttrInfo(CXIdxAttr_IBOutlet, C, Loc, A));
+ break;
+ case CXCursor_IBOutletCollectionAttr:
+ IBCollAttrs.push_back(IBOutletCollectionInfo(C, Loc, A));
+ break;
+ }
+ }
+
+ for (unsigned i = 0, e = IBCollAttrs.size(); i != e; ++i) {
+ IBOutletCollectionInfo &IBInfo = IBCollAttrs[i];
+ CXAttrs.push_back(&IBInfo);
+
+ const IBOutletCollectionAttr *
+ IBAttr = cast<IBOutletCollectionAttr>(IBInfo.A);
+ IBInfo.IBCollInfo.attrInfo = &IBInfo;
+ IBInfo.IBCollInfo.classLoc = IdxCtx.getIndexLoc(IBAttr->getInterfaceLoc());
+ IBInfo.IBCollInfo.objcClass = 0;
+ IBInfo.IBCollInfo.classCursor = clang_getNullCursor();
+ QualType Ty = IBAttr->getInterface();
+ if (const ObjCInterfaceType *InterTy = Ty->getAs<ObjCInterfaceType>()) {
+ if (const ObjCInterfaceDecl *InterD = InterTy->getInterface()) {
+ IdxCtx.getEntityInfo(InterD, IBInfo.ClassInfo, SA);
+ IBInfo.IBCollInfo.objcClass = &IBInfo.ClassInfo;
+ IBInfo.IBCollInfo.classCursor = MakeCursorObjCClassRef(InterD,
+ IBAttr->getInterfaceLoc(), IdxCtx.CXTU);
+ }
+ }
+ }
+
+ for (unsigned i = 0, e = Attrs.size(); i != e; ++i)
+ CXAttrs.push_back(&Attrs[i]);
+}
+
+IntrusiveRefCntPtr<AttrListInfo>
+AttrListInfo::create(const Decl *D, IndexingContext &IdxCtx) {
+ ScratchAlloc SA(IdxCtx);
+ AttrListInfo *attrs = SA.allocate<AttrListInfo>();
+ return new (attrs) AttrListInfo(D, IdxCtx);
+}
+
+IndexingContext::CXXBasesListInfo::CXXBasesListInfo(const CXXRecordDecl *D,
+ IndexingContext &IdxCtx,
+ ScratchAlloc &SA) {
+ for (CXXRecordDecl::base_class_const_iterator
+ I = D->bases_begin(), E = D->bases_end(); I != E; ++I) {
+ const CXXBaseSpecifier &Base = *I;
+ BaseEntities.push_back(EntityInfo());
+ const NamedDecl *BaseD = 0;
+ QualType T = Base.getType();
+ SourceLocation Loc = getBaseLoc(Base);
+
+ if (const TypedefType *TDT = T->getAs<TypedefType>()) {
+ BaseD = TDT->getDecl();
+ } else if (const TemplateSpecializationType *
+ TST = T->getAs<TemplateSpecializationType>()) {
+ BaseD = TST->getTemplateName().getAsTemplateDecl();
+ } else if (const RecordType *RT = T->getAs<RecordType>()) {
+ BaseD = RT->getDecl();
+ }
+
+ if (BaseD)
+ IdxCtx.getEntityInfo(BaseD, BaseEntities.back(), SA);
+ CXIdxBaseClassInfo BaseInfo = { 0,
+ MakeCursorCXXBaseSpecifier(&Base, IdxCtx.CXTU),
+ IdxCtx.getIndexLoc(Loc) };
+ BaseInfos.push_back(BaseInfo);
+ }
+
+ for (unsigned i = 0, e = BaseInfos.size(); i != e; ++i) {
+ if (BaseEntities[i].name && BaseEntities[i].USR)
+ BaseInfos[i].base = &BaseEntities[i];
+ }
+
+ for (unsigned i = 0, e = BaseInfos.size(); i != e; ++i)
+ CXBases.push_back(&BaseInfos[i]);
+}
+
+SourceLocation IndexingContext::CXXBasesListInfo::getBaseLoc(
+ const CXXBaseSpecifier &Base) const {
+ SourceLocation Loc = Base.getSourceRange().getBegin();
+ TypeLoc TL;
+ if (Base.getTypeSourceInfo())
+ TL = Base.getTypeSourceInfo()->getTypeLoc();
+ if (TL.isNull())
+ return Loc;
+
+ if (const QualifiedTypeLoc *QL = dyn_cast<QualifiedTypeLoc>(&TL))
+ TL = QL->getUnqualifiedLoc();
+
+ if (const ElaboratedTypeLoc *EL = dyn_cast<ElaboratedTypeLoc>(&TL))
+ return EL->getNamedTypeLoc().getBeginLoc();
+ if (const DependentNameTypeLoc *DL = dyn_cast<DependentNameTypeLoc>(&TL))
+ return DL->getNameLoc();
+ if (const DependentTemplateSpecializationTypeLoc *
+ DTL = dyn_cast<DependentTemplateSpecializationTypeLoc>(&TL))
+ return DTL->getTemplateNameLoc();
+
+ return Loc;
+}
+
+const char *ScratchAlloc::toCStr(StringRef Str) {
+ if (Str.empty())
+ return "";
+ if (Str.data()[Str.size()] == '\0')
+ return Str.data();
+ return copyCStr(Str);
+}
+
+const char *ScratchAlloc::copyCStr(StringRef Str) {
+ char *buf = IdxCtx.StrScratch.Allocate<char>(Str.size() + 1);
+ std::uninitialized_copy(Str.begin(), Str.end(), buf);
+ buf[Str.size()] = '\0';
+ return buf;
+}
+
+void IndexingContext::setASTContext(ASTContext &ctx) {
+ Ctx = &ctx;
+ static_cast<ASTUnit*>(CXTU->TUData)->setASTContext(&ctx);
+}
+
+void IndexingContext::setPreprocessor(Preprocessor &PP) {
+ static_cast<ASTUnit*>(CXTU->TUData)->setPreprocessor(&PP);
+}
+
+bool IndexingContext::shouldAbort() {
+ if (!CB.abortQuery)
+ return false;
+ return CB.abortQuery(ClientData, 0);
+}
+
+void IndexingContext::enteredMainFile(const FileEntry *File) {
+ if (File && CB.enteredMainFile) {
+ CXIdxClientFile idxFile = CB.enteredMainFile(ClientData, (CXFile)File, 0);
+ FileMap[File] = idxFile;
+ }
+}
+
+void IndexingContext::ppIncludedFile(SourceLocation hashLoc,
+ StringRef filename,
+ const FileEntry *File,
+ bool isImport, bool isAngled) {
+ if (!CB.ppIncludedFile)
+ return;
+
+ ScratchAlloc SA(*this);
+ CXIdxIncludedFileInfo Info = { getIndexLoc(hashLoc),
+ SA.toCStr(filename),
+ (CXFile)File,
+ isImport, isAngled };
+ CXIdxClientFile idxFile = CB.ppIncludedFile(ClientData, &Info);
+ FileMap[File] = idxFile;
+}
+
+void IndexingContext::startedTranslationUnit() {
+ CXIdxClientContainer idxCont = 0;
+ if (CB.startedTranslationUnit)
+ idxCont = CB.startedTranslationUnit(ClientData, 0);
+ addContainerInMap(Ctx->getTranslationUnitDecl(), idxCont);
+}
+
+void IndexingContext::handleDiagnosticSet(CXDiagnostic CXDiagSet) {
+ if (!CB.diagnostic)
+ return;
+
+ CB.diagnostic(ClientData, CXDiagSet, 0);
+}
+
+bool IndexingContext::handleDecl(const NamedDecl *D,
+ SourceLocation Loc, CXCursor Cursor,
+ DeclInfo &DInfo,
+ const DeclContext *LexicalDC) {
+ if (!CB.indexDeclaration || !D)
+ return false;
+ if (D->isImplicit() && shouldIgnoreIfImplicit(D))
+ return false;
+
+ ScratchAlloc SA(*this);
+ getEntityInfo(D, DInfo.EntInfo, SA);
+ if ((!shouldIndexFunctionLocalSymbols() && !DInfo.EntInfo.USR)
+ || Loc.isInvalid())
+ return false;
+
+ if (!LexicalDC)
+ LexicalDC = D->getLexicalDeclContext();
+
+ if (shouldSuppressRefs())
+ markEntityOccurrenceInFile(D, Loc);
+
+ DInfo.entityInfo = &DInfo.EntInfo;
+ DInfo.cursor = Cursor;
+ DInfo.loc = getIndexLoc(Loc);
+ DInfo.isImplicit = D->isImplicit();
+
+ DInfo.attributes = DInfo.EntInfo.attributes;
+ DInfo.numAttributes = DInfo.EntInfo.numAttributes;
+
+ getContainerInfo(D->getDeclContext(), DInfo.SemanticContainer);
+ DInfo.semanticContainer = &DInfo.SemanticContainer;
+
+ if (LexicalDC == D->getDeclContext()) {
+ DInfo.lexicalContainer = &DInfo.SemanticContainer;
+ } else if (isTemplateImplicitInstantiation(D)) {
+ // Implicit instantiations have the lexical context of where they were
+ // instantiated first. We choose instead the semantic context because:
+ // 1) at the time that we see the instantiation we have not seen the
+ // function where it occurred yet.
+ // 2) the lexical context of the first instantiation is not useful
+ // information anyway.
+ DInfo.lexicalContainer = &DInfo.SemanticContainer;
+ } else {
+ getContainerInfo(LexicalDC, DInfo.LexicalContainer);
+ DInfo.lexicalContainer = &DInfo.LexicalContainer;
+ }
+
+ if (DInfo.isContainer) {
+ getContainerInfo(getEntityContainer(D), DInfo.DeclAsContainer);
+ DInfo.declAsContainer = &DInfo.DeclAsContainer;
+ }
+
+ CB.indexDeclaration(ClientData, &DInfo);
+ return true;
+}
+
+bool IndexingContext::handleObjCContainer(const ObjCContainerDecl *D,
+ SourceLocation Loc, CXCursor Cursor,
+ ObjCContainerDeclInfo &ContDInfo) {
+ ContDInfo.ObjCContDeclInfo.declInfo = &ContDInfo;
+ return handleDecl(D, Loc, Cursor, ContDInfo);
+}
+
+bool IndexingContext::handleFunction(const FunctionDecl *D) {
+ DeclInfo DInfo(!D->isFirstDeclaration(), D->isThisDeclarationADefinition(),
+ D->isThisDeclarationADefinition());
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleVar(const VarDecl *D) {
+ DeclInfo DInfo(!D->isFirstDeclaration(), D->isThisDeclarationADefinition(),
+ /*isContainer=*/false);
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleField(const FieldDecl *D) {
+ DeclInfo DInfo(/*isRedeclaration=*/false, /*isDefinition=*/true,
+ /*isContainer=*/false);
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleEnumerator(const EnumConstantDecl *D) {
+ DeclInfo DInfo(/*isRedeclaration=*/false, /*isDefinition=*/true,
+ /*isContainer=*/false);
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleTagDecl(const TagDecl *D) {
+ if (const CXXRecordDecl *CXXRD = dyn_cast<CXXRecordDecl>(D))
+ return handleCXXRecordDecl(CXXRD, D);
+
+ DeclInfo DInfo(!D->isFirstDeclaration(), D->isThisDeclarationADefinition(),
+ D->isThisDeclarationADefinition());
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleTypedefName(const TypedefNameDecl *D) {
+ DeclInfo DInfo(!D->isFirstDeclaration(), /*isDefinition=*/true,
+ /*isContainer=*/false);
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleObjCInterface(const ObjCInterfaceDecl *D) {
+ // For @class forward declarations, suppress them the same way as references.
+ if (!D->isThisDeclarationADefinition()) {
+ if (shouldSuppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
+ return false; // already occurred.
+
+ // FIXME: This seems like the wrong definition for redeclaration.
+ bool isRedeclaration = D->hasDefinition() || D->getPreviousDecl();
+ ObjCContainerDeclInfo ContDInfo(/*isForwardRef=*/true, isRedeclaration,
+ /*isImplementation=*/false);
+ return handleObjCContainer(D, D->getLocation(),
+ MakeCursorObjCClassRef(D, D->getLocation(),
+ CXTU),
+ ContDInfo);
+ }
+
+ ScratchAlloc SA(*this);
+
+ CXIdxBaseClassInfo BaseClass;
+ EntityInfo BaseEntity;
+ BaseClass.cursor = clang_getNullCursor();
+ if (ObjCInterfaceDecl *SuperD = D->getSuperClass()) {
+ getEntityInfo(SuperD, BaseEntity, SA);
+ SourceLocation SuperLoc = D->getSuperClassLoc();
+ BaseClass.base = &BaseEntity;
+ BaseClass.cursor = MakeCursorObjCSuperClassRef(SuperD, SuperLoc, CXTU);
+ BaseClass.loc = getIndexLoc(SuperLoc);
+
+ if (shouldSuppressRefs())
+ markEntityOccurrenceInFile(SuperD, SuperLoc);
+ }
+
+ ObjCProtocolList EmptyProtoList;
+ ObjCProtocolListInfo ProtInfo(D->isThisDeclarationADefinition()
+ ? D->getReferencedProtocols()
+ : EmptyProtoList,
+ *this, SA);
+
+ ObjCInterfaceDeclInfo InterInfo(D);
+ InterInfo.ObjCProtoListInfo = ProtInfo.getListInfo();
+ InterInfo.ObjCInterDeclInfo.containerInfo = &InterInfo.ObjCContDeclInfo;
+ InterInfo.ObjCInterDeclInfo.superInfo = D->getSuperClass() ? &BaseClass : 0;
+ InterInfo.ObjCInterDeclInfo.protocols = &InterInfo.ObjCProtoListInfo;
+
+ return handleObjCContainer(D, D->getLocation(), getCursor(D), InterInfo);
+}
+
+bool IndexingContext::handleObjCImplementation(
+ const ObjCImplementationDecl *D) {
+ ObjCContainerDeclInfo ContDInfo(/*isForwardRef=*/false,
+ /*isRedeclaration=*/true,
+ /*isImplementation=*/true);
+ return handleObjCContainer(D, D->getLocation(), getCursor(D), ContDInfo);
+}
+
+bool IndexingContext::handleObjCProtocol(const ObjCProtocolDecl *D) {
+ if (!D->isThisDeclarationADefinition()) {
+ if (shouldSuppressRefs() && markEntityOccurrenceInFile(D, D->getLocation()))
+ return false; // already occurred.
+
+ // FIXME: This seems like the wrong definition for redeclaration.
+ bool isRedeclaration = D->hasDefinition() || D->getPreviousDecl();
+ ObjCContainerDeclInfo ContDInfo(/*isForwardRef=*/true,
+ isRedeclaration,
+ /*isImplementation=*/false);
+ return handleObjCContainer(D, D->getLocation(),
+ MakeCursorObjCProtocolRef(D, D->getLocation(),
+ CXTU),
+ ContDInfo);
+ }
+
+ ScratchAlloc SA(*this);
+ ObjCProtocolList EmptyProtoList;
+ ObjCProtocolListInfo ProtListInfo(D->isThisDeclarationADefinition()
+ ? D->getReferencedProtocols()
+ : EmptyProtoList,
+ *this, SA);
+
+ ObjCProtocolDeclInfo ProtInfo(D);
+ ProtInfo.ObjCProtoRefListInfo = ProtListInfo.getListInfo();
+
+ return handleObjCContainer(D, D->getLocation(), getCursor(D), ProtInfo);
+}
+
+bool IndexingContext::handleObjCCategory(const ObjCCategoryDecl *D) {
+ ScratchAlloc SA(*this);
+
+ ObjCCategoryDeclInfo CatDInfo(/*isImplementation=*/false);
+ EntityInfo ClassEntity;
+ const ObjCInterfaceDecl *IFaceD = D->getClassInterface();
+ SourceLocation ClassLoc = D->getLocation();
+ SourceLocation CategoryLoc = D->IsClassExtension() ? ClassLoc
+ : D->getCategoryNameLoc();
+ getEntityInfo(IFaceD, ClassEntity, SA);
+
+ if (shouldSuppressRefs())
+ markEntityOccurrenceInFile(IFaceD, ClassLoc);
+
+ ObjCProtocolListInfo ProtInfo(D->getReferencedProtocols(), *this, SA);
+
+ CatDInfo.ObjCCatDeclInfo.containerInfo = &CatDInfo.ObjCContDeclInfo;
+ if (IFaceD) {
+ CatDInfo.ObjCCatDeclInfo.objcClass = &ClassEntity;
+ CatDInfo.ObjCCatDeclInfo.classCursor =
+ MakeCursorObjCClassRef(IFaceD, ClassLoc, CXTU);
+ } else {
+ CatDInfo.ObjCCatDeclInfo.objcClass = 0;
+ CatDInfo.ObjCCatDeclInfo.classCursor = clang_getNullCursor();
+ }
+ CatDInfo.ObjCCatDeclInfo.classLoc = getIndexLoc(ClassLoc);
+ CatDInfo.ObjCProtoListInfo = ProtInfo.getListInfo();
+ CatDInfo.ObjCCatDeclInfo.protocols = &CatDInfo.ObjCProtoListInfo;
+
+ return handleObjCContainer(D, CategoryLoc, getCursor(D), CatDInfo);
+}
+
+bool IndexingContext::handleObjCCategoryImpl(const ObjCCategoryImplDecl *D) {
+ ScratchAlloc SA(*this);
+
+ const ObjCCategoryDecl *CatD = D->getCategoryDecl();
+ ObjCCategoryDeclInfo CatDInfo(/*isImplementation=*/true);
+ EntityInfo ClassEntity;
+ const ObjCInterfaceDecl *IFaceD = CatD->getClassInterface();
+ SourceLocation ClassLoc = D->getLocation();
+ SourceLocation CategoryLoc = D->getCategoryNameLoc();
+ getEntityInfo(IFaceD, ClassEntity, SA);
+
+ if (shouldSuppressRefs())
+ markEntityOccurrenceInFile(IFaceD, ClassLoc);
+
+ CatDInfo.ObjCCatDeclInfo.containerInfo = &CatDInfo.ObjCContDeclInfo;
+ if (IFaceD) {
+ CatDInfo.ObjCCatDeclInfo.objcClass = &ClassEntity;
+ CatDInfo.ObjCCatDeclInfo.classCursor =
+ MakeCursorObjCClassRef(IFaceD, ClassLoc, CXTU);
+ } else {
+ CatDInfo.ObjCCatDeclInfo.objcClass = 0;
+ CatDInfo.ObjCCatDeclInfo.classCursor = clang_getNullCursor();
+ }
+ CatDInfo.ObjCCatDeclInfo.classLoc = getIndexLoc(ClassLoc);
+ CatDInfo.ObjCCatDeclInfo.protocols = 0;
+
+ return handleObjCContainer(D, CategoryLoc, getCursor(D), CatDInfo);
+}
+
+bool IndexingContext::handleObjCMethod(const ObjCMethodDecl *D) {
+ DeclInfo DInfo(!D->isCanonicalDecl(), D->isThisDeclarationADefinition(),
+ D->isThisDeclarationADefinition());
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleSynthesizedObjCProperty(
+ const ObjCPropertyImplDecl *D) {
+ ObjCPropertyDecl *PD = D->getPropertyDecl();
+ return handleReference(PD, D->getLocation(), getCursor(D), 0, D->getDeclContext());
+}
+
+bool IndexingContext::handleSynthesizedObjCMethod(const ObjCMethodDecl *D,
+ SourceLocation Loc,
+ const DeclContext *LexicalDC) {
+ DeclInfo DInfo(/*isRedeclaration=*/true, /*isDefinition=*/true,
+ /*isContainer=*/false);
+ return handleDecl(D, Loc, getCursor(D), DInfo, LexicalDC);
+}
+
+bool IndexingContext::handleObjCProperty(const ObjCPropertyDecl *D) {
+ ScratchAlloc SA(*this);
+
+ ObjCPropertyDeclInfo DInfo;
+ EntityInfo GetterEntity;
+ EntityInfo SetterEntity;
+
+ DInfo.ObjCPropDeclInfo.declInfo = &DInfo;
+
+ if (ObjCMethodDecl *Getter = D->getGetterMethodDecl()) {
+ getEntityInfo(Getter, GetterEntity, SA);
+ DInfo.ObjCPropDeclInfo.getter = &GetterEntity;
+ } else {
+ DInfo.ObjCPropDeclInfo.getter = 0;
+ }
+ if (ObjCMethodDecl *Setter = D->getSetterMethodDecl()) {
+ getEntityInfo(Setter, SetterEntity, SA);
+ DInfo.ObjCPropDeclInfo.setter = &SetterEntity;
+ } else {
+ DInfo.ObjCPropDeclInfo.setter = 0;
+ }
+
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleNamespace(const NamespaceDecl *D) {
+ DeclInfo DInfo(/*isRedeclaration=*/!D->isOriginalNamespace(),
+ /*isDefinition=*/true,
+ /*isContainer=*/true);
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleClassTemplate(const ClassTemplateDecl *D) {
+ return handleCXXRecordDecl(D->getTemplatedDecl(), D);
+}
+
+bool IndexingContext::handleFunctionTemplate(const FunctionTemplateDecl *D) {
+ DeclInfo DInfo(/*isRedeclaration=*/!D->isCanonicalDecl(),
+ /*isDefinition=*/D->isThisDeclarationADefinition(),
+ /*isContainer=*/D->isThisDeclarationADefinition());
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleTypeAliasTemplate(const TypeAliasTemplateDecl *D) {
+ DeclInfo DInfo(/*isRedeclaration=*/!D->isCanonicalDecl(),
+ /*isDefinition=*/true, /*isContainer=*/false);
+ return handleDecl(D, D->getLocation(), getCursor(D), DInfo);
+}
+
+bool IndexingContext::handleReference(const NamedDecl *D, SourceLocation Loc,
+ const NamedDecl *Parent,
+ const DeclContext *DC,
+ const Expr *E,
+ CXIdxEntityRefKind Kind) {
+ if (!D)
+ return false;
+
+ CXCursor Cursor = E ? MakeCXCursor(const_cast<Expr*>(E),
+ const_cast<Decl*>(cast<Decl>(DC)), CXTU)
+ : getRefCursor(D, Loc);
+ return handleReference(D, Loc, Cursor, Parent, DC, E, Kind);
+}
+
+bool IndexingContext::handleReference(const NamedDecl *D, SourceLocation Loc,
+ CXCursor Cursor,
+ const NamedDecl *Parent,
+ const DeclContext *DC,
+ const Expr *E,
+ CXIdxEntityRefKind Kind) {
+ if (!CB.indexEntityReference)
+ return false;
+
+ if (!D)
+ return false;
+ if (Loc.isInvalid())
+ return false;
+ if (!shouldIndexFunctionLocalSymbols() && D->getParentFunctionOrMethod())
+ return false;
+ if (isNotFromSourceFile(D->getLocation()))
+ return false;
+ if (D->isImplicit() && shouldIgnoreIfImplicit(D))
+ return false;
+
+ if (shouldSuppressRefs()) {
+ if (markEntityOccurrenceInFile(D, Loc))
+ return false; // already occurred.
+ }
+
+ ScratchAlloc SA(*this);
+ EntityInfo RefEntity, ParentEntity;
+ getEntityInfo(D, RefEntity, SA);
+ if (!RefEntity.USR)
+ return false;
+
+ getEntityInfo(Parent, ParentEntity, SA);
+
+ ContainerInfo Container;
+ getContainerInfo(DC, Container);
+
+ CXIdxEntityRefInfo Info = { Kind,
+ Cursor,
+ getIndexLoc(Loc),
+ &RefEntity,
+ Parent ? &ParentEntity : 0,
+ &Container };
+ CB.indexEntityReference(ClientData, &Info);
+ return true;
+}
+
+bool IndexingContext::isNotFromSourceFile(SourceLocation Loc) const {
+ if (Loc.isInvalid())
+ return true;
+ SourceManager &SM = Ctx->getSourceManager();
+ SourceLocation FileLoc = SM.getFileLoc(Loc);
+ FileID FID = SM.getFileID(FileLoc);
+ return SM.getFileEntryForID(FID) == 0;
+}
+
+void IndexingContext::addContainerInMap(const DeclContext *DC,
+ CXIdxClientContainer container) {
+ if (!DC)
+ return;
+
+ ContainerMapTy::iterator I = ContainerMap.find(DC);
+ if (I == ContainerMap.end()) {
+ if (container)
+ ContainerMap[DC] = container;
+ return;
+ }
+ // Allow changing the container of a previously seen DeclContext so we
+ // can handle invalid user code, like a function re-definition.
+ if (container)
+ I->second = container;
+ else
+ ContainerMap.erase(I);
+}
+
+CXIdxClientEntity IndexingContext::getClientEntity(const Decl *D) const {
+ if (!D)
+ return 0;
+ EntityMapTy::const_iterator I = EntityMap.find(D);
+ if (I == EntityMap.end())
+ return 0;
+ return I->second;
+}
+
+void IndexingContext::setClientEntity(const Decl *D, CXIdxClientEntity client) {
+ if (!D)
+ return;
+ EntityMap[D] = client;
+}
+
+bool IndexingContext::handleCXXRecordDecl(const CXXRecordDecl *RD,
+ const NamedDecl *OrigD) {
+ if (RD->isThisDeclarationADefinition()) {
+ ScratchAlloc SA(*this);
+ CXXClassDeclInfo CXXDInfo(/*isRedeclaration=*/!OrigD->isCanonicalDecl(),
+ /*isDefinition=*/RD->isThisDeclarationADefinition());
+ CXXBasesListInfo BaseList(RD, *this, SA);
+ CXXDInfo.CXXClassInfo.declInfo = &CXXDInfo;
+ CXXDInfo.CXXClassInfo.bases = BaseList.getBases();
+ CXXDInfo.CXXClassInfo.numBases = BaseList.getNumBases();
+
+ 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];
+ if (baseInfo->base) {
+ const NamedDecl *BaseD = BaseList.BaseEntities[i].Dcl;
+ SourceLocation
+ Loc = SourceLocation::getFromRawEncoding(baseInfo->loc.int_data);
+ markEntityOccurrenceInFile(BaseD, Loc);
+ }
+ }
+ }
+
+ return handleDecl(OrigD, OrigD->getLocation(), getCursor(OrigD), CXXDInfo);
+ }
+
+ DeclInfo DInfo(/*isRedeclaration=*/!OrigD->isCanonicalDecl(),
+ /*isDefinition=*/RD->isThisDeclarationADefinition(),
+ /*isContainer=*/RD->isThisDeclarationADefinition());
+ return handleDecl(OrigD, OrigD->getLocation(), getCursor(OrigD), DInfo);
+}
+
+bool IndexingContext::markEntityOccurrenceInFile(const NamedDecl *D,
+ SourceLocation Loc) {
+ if (!D || Loc.isInvalid())
+ return true;
+
+ SourceManager &SM = Ctx->getSourceManager();
+ D = getEntityDecl(D);
+
+ std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(SM.getFileLoc(Loc));
+ FileID FID = LocInfo.first;
+ if (FID.isInvalid())
+ return true;
+
+ const FileEntry *FE = SM.getFileEntryForID(FID);
+ if (!FE)
+ return true;
+ RefFileOccurence RefOccur(FE, D);
+ std::pair<llvm::DenseSet<RefFileOccurence>::iterator, bool>
+ res = RefFileOccurences.insert(RefOccur);
+ if (!res.second)
+ return true; // already in map.
+
+ return false;
+}
+
+const NamedDecl *IndexingContext::getEntityDecl(const NamedDecl *D) const {
+ assert(D);
+ D = cast<NamedDecl>(D->getCanonicalDecl());
+
+ if (const ObjCImplementationDecl *
+ ImplD = dyn_cast<ObjCImplementationDecl>(D)) {
+ return getEntityDecl(ImplD->getClassInterface());
+
+ } else if (const ObjCCategoryImplDecl *
+ CatImplD = dyn_cast<ObjCCategoryImplDecl>(D)) {
+ return getEntityDecl(CatImplD->getCategoryDecl());
+ } else if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
+ if (FunctionTemplateDecl *TemplD = FD->getDescribedFunctionTemplate())
+ return getEntityDecl(TemplD);
+ } else if (const CXXRecordDecl *RD = dyn_cast<CXXRecordDecl>(D)) {
+ if (ClassTemplateDecl *TemplD = RD->getDescribedClassTemplate())
+ return getEntityDecl(TemplD);
+ }
+
+ return D;
+}
+
+const DeclContext *
+IndexingContext::getEntityContainer(const Decl *D) const {
+ const DeclContext *DC = dyn_cast<DeclContext>(D);
+ if (DC)
+ return DC;
+
+ if (const ClassTemplateDecl *ClassTempl = dyn_cast<ClassTemplateDecl>(D)) {
+ DC = ClassTempl->getTemplatedDecl();
+ } if (const FunctionTemplateDecl *
+ FuncTempl = dyn_cast<FunctionTemplateDecl>(D)) {
+ DC = FuncTempl->getTemplatedDecl();
+ }
+
+ return DC;
+}
+
+CXIdxClientContainer
+IndexingContext::getClientContainerForDC(const DeclContext *DC) const {
+ if (!DC)
+ return 0;
+
+ ContainerMapTy::const_iterator I = ContainerMap.find(DC);
+ if (I == ContainerMap.end())
+ return 0;
+
+ return I->second;
+}
+
+CXIdxClientFile IndexingContext::getIndexFile(const FileEntry *File) {
+ if (!File)
+ return 0;
+
+ FileMapTy::iterator FI = FileMap.find(File);
+ if (FI != FileMap.end())
+ return FI->second;
+
+ return 0;
+}
+
+CXIdxLoc IndexingContext::getIndexLoc(SourceLocation Loc) const {
+ CXIdxLoc idxLoc = { {0, 0}, 0 };
+ if (Loc.isInvalid())
+ return idxLoc;
+
+ idxLoc.ptr_data[0] = (void*)this;
+ idxLoc.int_data = Loc.getRawEncoding();
+ return idxLoc;
+}
+
+void IndexingContext::translateLoc(SourceLocation Loc,
+ CXIdxClientFile *indexFile, CXFile *file,
+ unsigned *line, unsigned *column,
+ unsigned *offset) {
+ if (Loc.isInvalid())
+ return;
+
+ SourceManager &SM = Ctx->getSourceManager();
+ Loc = SM.getFileLoc(Loc);
+
+ std::pair<FileID, unsigned> LocInfo = SM.getDecomposedLoc(Loc);
+ FileID FID = LocInfo.first;
+ unsigned FileOffset = LocInfo.second;
+
+ if (FID.isInvalid())
+ return;
+
+ const FileEntry *FE = SM.getFileEntryForID(FID);
+ if (indexFile)
+ *indexFile = getIndexFile(FE);
+ if (file)
+ *file = (void *)FE;
+ if (line)
+ *line = SM.getLineNumber(FID, FileOffset);
+ if (column)
+ *column = SM.getColumnNumber(FID, FileOffset);
+ if (offset)
+ *offset = FileOffset;
+}
+
+void IndexingContext::getEntityInfo(const NamedDecl *D,
+ EntityInfo &EntityInfo,
+ ScratchAlloc &SA) {
+ if (!D)
+ return;
+
+ D = getEntityDecl(D);
+ EntityInfo.cursor = getCursor(D);
+ EntityInfo.Dcl = D;
+ EntityInfo.IndexCtx = this;
+ EntityInfo.kind = CXIdxEntity_Unexposed;
+ EntityInfo.templateKind = CXIdxEntity_NonTemplate;
+ EntityInfo.lang = CXIdxEntityLang_C;
+
+ if (D->hasAttrs()) {
+ EntityInfo.AttrList = AttrListInfo::create(D, *this);
+ EntityInfo.attributes = EntityInfo.AttrList->getAttrs();
+ EntityInfo.numAttributes = EntityInfo.AttrList->getNumAttrs();
+ }
+
+ if (const TagDecl *TD = dyn_cast<TagDecl>(D)) {
+ switch (TD->getTagKind()) {
+ case TTK_Struct:
+ EntityInfo.kind = CXIdxEntity_Struct; break;
+ case TTK_Union:
+ EntityInfo.kind = CXIdxEntity_Union; break;
+ case TTK_Class:
+ EntityInfo.kind = CXIdxEntity_CXXClass;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ case TTK_Enum:
+ EntityInfo.kind = CXIdxEntity_Enum; break;
+ }
+
+ if (const CXXRecordDecl *CXXRec = dyn_cast<CXXRecordDecl>(D))
+ if (!CXXRec->isCLike())
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+
+ if (isa<ClassTemplatePartialSpecializationDecl>(D)) {
+ EntityInfo.templateKind = CXIdxEntity_TemplatePartialSpecialization;
+ } else if (isa<ClassTemplateSpecializationDecl>(D)) {
+ EntityInfo.templateKind = CXIdxEntity_TemplateSpecialization;
+ }
+
+ } else {
+ switch (D->getKind()) {
+ case Decl::Typedef:
+ EntityInfo.kind = CXIdxEntity_Typedef; break;
+ case Decl::Function:
+ EntityInfo.kind = CXIdxEntity_Function;
+ break;
+ case Decl::ParmVar:
+ EntityInfo.kind = CXIdxEntity_Variable;
+ break;
+ case Decl::Var:
+ EntityInfo.kind = CXIdxEntity_Variable;
+ if (isa<CXXRecordDecl>(D->getDeclContext())) {
+ EntityInfo.kind = CXIdxEntity_CXXStaticVariable;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ }
+ break;
+ case Decl::Field:
+ EntityInfo.kind = CXIdxEntity_Field;
+ if (const CXXRecordDecl *
+ CXXRec = dyn_cast<CXXRecordDecl>(D->getDeclContext())) {
+ // FIXME: isPOD check is not sufficient, a POD can contain methods,
+ // we want a isCStructLike check.
+ if (!CXXRec->isPOD())
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ }
+ break;
+ case Decl::EnumConstant:
+ EntityInfo.kind = CXIdxEntity_EnumConstant; break;
+ case Decl::ObjCInterface:
+ EntityInfo.kind = CXIdxEntity_ObjCClass;
+ EntityInfo.lang = CXIdxEntityLang_ObjC;
+ break;
+ case Decl::ObjCProtocol:
+ EntityInfo.kind = CXIdxEntity_ObjCProtocol;
+ EntityInfo.lang = CXIdxEntityLang_ObjC;
+ break;
+ case Decl::ObjCCategory:
+ EntityInfo.kind = CXIdxEntity_ObjCCategory;
+ EntityInfo.lang = CXIdxEntityLang_ObjC;
+ break;
+ case Decl::ObjCMethod:
+ if (cast<ObjCMethodDecl>(D)->isInstanceMethod())
+ EntityInfo.kind = CXIdxEntity_ObjCInstanceMethod;
+ else
+ EntityInfo.kind = CXIdxEntity_ObjCClassMethod;
+ EntityInfo.lang = CXIdxEntityLang_ObjC;
+ break;
+ case Decl::ObjCProperty:
+ EntityInfo.kind = CXIdxEntity_ObjCProperty;
+ EntityInfo.lang = CXIdxEntityLang_ObjC;
+ break;
+ case Decl::ObjCIvar:
+ EntityInfo.kind = CXIdxEntity_ObjCIvar;
+ EntityInfo.lang = CXIdxEntityLang_ObjC;
+ break;
+ case Decl::Namespace:
+ EntityInfo.kind = CXIdxEntity_CXXNamespace;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ case Decl::NamespaceAlias:
+ EntityInfo.kind = CXIdxEntity_CXXNamespaceAlias;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ case Decl::CXXConstructor:
+ EntityInfo.kind = CXIdxEntity_CXXConstructor;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ case Decl::CXXDestructor:
+ EntityInfo.kind = CXIdxEntity_CXXDestructor;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ case Decl::CXXConversion:
+ EntityInfo.kind = CXIdxEntity_CXXConversionFunction;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ case Decl::CXXMethod: {
+ const CXXMethodDecl *MD = cast<CXXMethodDecl>(D);
+ if (MD->isStatic())
+ EntityInfo.kind = CXIdxEntity_CXXStaticMethod;
+ else
+ EntityInfo.kind = CXIdxEntity_CXXInstanceMethod;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ }
+ case Decl::ClassTemplate:
+ EntityInfo.kind = CXIdxEntity_CXXClass;
+ EntityInfo.templateKind = CXIdxEntity_Template;
+ break;
+ case Decl::FunctionTemplate:
+ EntityInfo.kind = CXIdxEntity_Function;
+ EntityInfo.templateKind = CXIdxEntity_Template;
+ if (const CXXMethodDecl *MD = dyn_cast_or_null<CXXMethodDecl>(
+ cast<FunctionTemplateDecl>(D)->getTemplatedDecl())) {
+ if (isa<CXXConstructorDecl>(MD))
+ EntityInfo.kind = CXIdxEntity_CXXConstructor;
+ else if (isa<CXXDestructorDecl>(MD))
+ EntityInfo.kind = CXIdxEntity_CXXDestructor;
+ else if (isa<CXXConversionDecl>(MD))
+ EntityInfo.kind = CXIdxEntity_CXXConversionFunction;
+ else {
+ if (MD->isStatic())
+ EntityInfo.kind = CXIdxEntity_CXXStaticMethod;
+ else
+ EntityInfo.kind = CXIdxEntity_CXXInstanceMethod;
+ }
+ }
+ break;
+ case Decl::TypeAliasTemplate:
+ EntityInfo.kind = CXIdxEntity_CXXTypeAlias;
+ EntityInfo.templateKind = CXIdxEntity_Template;
+ break;
+ case Decl::TypeAlias:
+ EntityInfo.kind = CXIdxEntity_CXXTypeAlias;
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+ break;
+ default:
+ break;
+ }
+ }
+
+ if (EntityInfo.kind == CXIdxEntity_Unexposed)
+ return;
+
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
+ if (FD->getTemplatedKind() ==
+ FunctionDecl::TK_FunctionTemplateSpecialization)
+ EntityInfo.templateKind = CXIdxEntity_TemplateSpecialization;
+ }
+
+ if (EntityInfo.templateKind != CXIdxEntity_NonTemplate)
+ EntityInfo.lang = CXIdxEntityLang_CXX;
+
+ if (IdentifierInfo *II = D->getIdentifier()) {
+ EntityInfo.name = SA.toCStr(II->getName());
+
+ } else if (isa<TagDecl>(D) || isa<FieldDecl>(D) || isa<NamespaceDecl>(D)) {
+ EntityInfo.name = 0; // anonymous tag/field/namespace.
+
+ } else {
+ SmallString<256> StrBuf;
+ {
+ llvm::raw_svector_ostream OS(StrBuf);
+ D->printName(OS);
+ }
+ EntityInfo.name = SA.copyCStr(StrBuf.str());
+ }
+
+ {
+ SmallString<512> StrBuf;
+ bool Ignore = getDeclCursorUSR(D, StrBuf);
+ if (Ignore) {
+ EntityInfo.USR = 0;
+ } else {
+ EntityInfo.USR = SA.copyCStr(StrBuf.str());
+ }
+ }
+}
+
+void IndexingContext::getContainerInfo(const DeclContext *DC,
+ ContainerInfo &ContInfo) {
+ ContInfo.cursor = getCursor(cast<Decl>(DC));
+ ContInfo.DC = DC;
+ ContInfo.IndexCtx = this;
+}
+
+CXCursor IndexingContext::getRefCursor(const NamedDecl *D, SourceLocation Loc) {
+ if (const TypeDecl *TD = dyn_cast<TypeDecl>(D))
+ return MakeCursorTypeRef(TD, Loc, CXTU);
+ if (const ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(D))
+ return MakeCursorObjCClassRef(ID, Loc, CXTU);
+ if (const ObjCProtocolDecl *PD = dyn_cast<ObjCProtocolDecl>(D))
+ return MakeCursorObjCProtocolRef(PD, Loc, CXTU);
+ if (const TemplateDecl *Template = dyn_cast<TemplateDecl>(D))
+ return MakeCursorTemplateRef(Template, Loc, CXTU);
+ if (const NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(D))
+ return MakeCursorNamespaceRef(Namespace, Loc, CXTU);
+ if (const NamespaceAliasDecl *Namespace = dyn_cast<NamespaceAliasDecl>(D))
+ return MakeCursorNamespaceRef(Namespace, Loc, CXTU);
+ if (const FieldDecl *Field = dyn_cast<FieldDecl>(D))
+ return MakeCursorMemberRef(Field, Loc, CXTU);
+ if (const VarDecl *Var = dyn_cast<VarDecl>(D))
+ return MakeCursorVariableRef(Var, Loc, CXTU);
+
+ return clang_getNullCursor();
+}
+
+bool IndexingContext::shouldIgnoreIfImplicit(const Decl *D) {
+ if (isa<ObjCInterfaceDecl>(D))
+ return false;
+ if (isa<ObjCCategoryDecl>(D))
+ return false;
+ if (isa<ObjCIvarDecl>(D))
+ return false;
+ if (isa<ObjCMethodDecl>(D))
+ return false;
+ return true;
+}
+
+bool IndexingContext::isTemplateImplicitInstantiation(const Decl *D) {
+ if (const ClassTemplateSpecializationDecl *
+ SD = dyn_cast<ClassTemplateSpecializationDecl>(D)) {
+ return SD->getSpecializationKind() == TSK_ImplicitInstantiation;
+ }
+ if (const FunctionDecl *FD = dyn_cast<FunctionDecl>(D)) {
+ return FD->getTemplateSpecializationKind() == TSK_ImplicitInstantiation;
+ }
+ return false;
+}