| //===- CXCursor.cpp - Routines for manipulating CXCursors -----------------===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines routines for manipulating CXCursors. It should be the |
| // only file that has internal knowledge of the encoding of the data in |
| // CXCursor. |
| // |
| //===----------------------------------------------------------------------===// |
| |
| #include "CXTranslationUnit.h" |
| #include "CXCursor.h" |
| #include "CXString.h" |
| #include "clang/Frontend/ASTUnit.h" |
| #include "clang/AST/Decl.h" |
| #include "clang/AST/DeclCXX.h" |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/DeclTemplate.h" |
| #include "clang/AST/Expr.h" |
| #include "clang/AST/ExprCXX.h" |
| #include "clang/AST/ExprObjC.h" |
| #include "clang-c/Index.h" |
| #include "llvm/Support/ErrorHandling.h" |
| |
| using namespace clang; |
| using namespace cxcursor; |
| |
| CXCursor cxcursor::MakeCXCursorInvalid(CXCursorKind K, CXTranslationUnit TU) { |
| assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); |
| CXCursor C = { K, 0, { 0, 0, TU } }; |
| return C; |
| } |
| |
| static CXCursorKind GetCursorKind(const Attr *A) { |
| assert(A && "Invalid arguments!"); |
| switch (A->getKind()) { |
| default: break; |
| case attr::IBAction: return CXCursor_IBActionAttr; |
| case attr::IBOutlet: return CXCursor_IBOutletAttr; |
| case attr::IBOutletCollection: return CXCursor_IBOutletCollectionAttr; |
| case attr::Final: return CXCursor_CXXFinalAttr; |
| case attr::Override: return CXCursor_CXXOverrideAttr; |
| case attr::Annotate: return CXCursor_AnnotateAttr; |
| case attr::AsmLabel: return CXCursor_AsmLabelAttr; |
| } |
| |
| return CXCursor_UnexposedAttr; |
| } |
| |
| CXCursor cxcursor::MakeCXCursor(const Attr *A, Decl *Parent, |
| CXTranslationUnit TU) { |
| assert(A && Parent && TU && "Invalid arguments!"); |
| CXCursor C = { GetCursorKind(A), 0, { Parent, (void*)A, TU } }; |
| return C; |
| } |
| |
| CXCursor cxcursor::MakeCXCursor(Decl *D, CXTranslationUnit TU, |
| SourceRange RegionOfInterest, |
| bool FirstInDeclGroup) { |
| assert(D && TU && "Invalid arguments!"); |
| |
| CXCursorKind K = getCursorKindForDecl(D); |
| |
| if (K == CXCursor_ObjCClassMethodDecl || |
| K == CXCursor_ObjCInstanceMethodDecl) { |
| int SelectorIdIndex = -1; |
| // Check if cursor points to a selector id. |
| if (RegionOfInterest.isValid() && |
| RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { |
| SmallVector<SourceLocation, 16> SelLocs; |
| cast<ObjCMethodDecl>(D)->getSelectorLocs(SelLocs); |
| SmallVector<SourceLocation, 16>::iterator |
| I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); |
| if (I != SelLocs.end()) |
| SelectorIdIndex = I - SelLocs.begin(); |
| } |
| CXCursor C = { K, SelectorIdIndex, |
| { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; |
| return C; |
| } |
| |
| CXCursor C = { K, 0, { D, (void*)(intptr_t) (FirstInDeclGroup ? 1 : 0), TU }}; |
| return C; |
| } |
| |
| CXCursor cxcursor::MakeCXCursor(Stmt *S, Decl *Parent, CXTranslationUnit TU, |
| SourceRange RegionOfInterest) { |
| assert(S && TU && "Invalid arguments!"); |
| CXCursorKind K = CXCursor_NotImplemented; |
| |
| switch (S->getStmtClass()) { |
| case Stmt::NoStmtClass: |
| break; |
| |
| case Stmt::CaseStmtClass: |
| K = CXCursor_CaseStmt; |
| break; |
| |
| case Stmt::DefaultStmtClass: |
| K = CXCursor_DefaultStmt; |
| break; |
| |
| case Stmt::IfStmtClass: |
| K = CXCursor_IfStmt; |
| break; |
| |
| case Stmt::SwitchStmtClass: |
| K = CXCursor_SwitchStmt; |
| break; |
| |
| case Stmt::WhileStmtClass: |
| K = CXCursor_WhileStmt; |
| break; |
| |
| case Stmt::DoStmtClass: |
| K = CXCursor_DoStmt; |
| break; |
| |
| case Stmt::ForStmtClass: |
| K = CXCursor_ForStmt; |
| break; |
| |
| case Stmt::GotoStmtClass: |
| K = CXCursor_GotoStmt; |
| break; |
| |
| case Stmt::IndirectGotoStmtClass: |
| K = CXCursor_IndirectGotoStmt; |
| break; |
| |
| case Stmt::ContinueStmtClass: |
| K = CXCursor_ContinueStmt; |
| break; |
| |
| case Stmt::BreakStmtClass: |
| K = CXCursor_BreakStmt; |
| break; |
| |
| case Stmt::ReturnStmtClass: |
| K = CXCursor_ReturnStmt; |
| break; |
| |
| case Stmt::AsmStmtClass: |
| K = CXCursor_AsmStmt; |
| break; |
| |
| case Stmt::MSAsmStmtClass: |
| K = CXCursor_MSAsmStmt; |
| break; |
| |
| case Stmt::ObjCAtTryStmtClass: |
| K = CXCursor_ObjCAtTryStmt; |
| break; |
| |
| case Stmt::ObjCAtCatchStmtClass: |
| K = CXCursor_ObjCAtCatchStmt; |
| break; |
| |
| case Stmt::ObjCAtFinallyStmtClass: |
| K = CXCursor_ObjCAtFinallyStmt; |
| break; |
| |
| case Stmt::ObjCAtThrowStmtClass: |
| K = CXCursor_ObjCAtThrowStmt; |
| break; |
| |
| case Stmt::ObjCAtSynchronizedStmtClass: |
| K = CXCursor_ObjCAtSynchronizedStmt; |
| break; |
| |
| case Stmt::ObjCAutoreleasePoolStmtClass: |
| K = CXCursor_ObjCAutoreleasePoolStmt; |
| break; |
| |
| case Stmt::ObjCForCollectionStmtClass: |
| K = CXCursor_ObjCForCollectionStmt; |
| break; |
| |
| case Stmt::CXXCatchStmtClass: |
| K = CXCursor_CXXCatchStmt; |
| break; |
| |
| case Stmt::CXXTryStmtClass: |
| K = CXCursor_CXXTryStmt; |
| break; |
| |
| case Stmt::CXXForRangeStmtClass: |
| K = CXCursor_CXXForRangeStmt; |
| break; |
| |
| case Stmt::SEHTryStmtClass: |
| K = CXCursor_SEHTryStmt; |
| break; |
| |
| case Stmt::SEHExceptStmtClass: |
| K = CXCursor_SEHExceptStmt; |
| break; |
| |
| case Stmt::SEHFinallyStmtClass: |
| K = CXCursor_SEHFinallyStmt; |
| break; |
| |
| case Stmt::ArrayTypeTraitExprClass: |
| case Stmt::AsTypeExprClass: |
| case Stmt::AtomicExprClass: |
| case Stmt::BinaryConditionalOperatorClass: |
| case Stmt::BinaryTypeTraitExprClass: |
| case Stmt::TypeTraitExprClass: |
| case Stmt::CXXBindTemporaryExprClass: |
| case Stmt::CXXDefaultArgExprClass: |
| case Stmt::CXXScalarValueInitExprClass: |
| case Stmt::CXXUuidofExprClass: |
| case Stmt::ChooseExprClass: |
| case Stmt::DesignatedInitExprClass: |
| case Stmt::ExprWithCleanupsClass: |
| case Stmt::ExpressionTraitExprClass: |
| case Stmt::ExtVectorElementExprClass: |
| case Stmt::ImplicitCastExprClass: |
| case Stmt::ImplicitValueInitExprClass: |
| case Stmt::MaterializeTemporaryExprClass: |
| case Stmt::ObjCIndirectCopyRestoreExprClass: |
| case Stmt::OffsetOfExprClass: |
| case Stmt::ParenListExprClass: |
| case Stmt::PredefinedExprClass: |
| case Stmt::ShuffleVectorExprClass: |
| case Stmt::UnaryExprOrTypeTraitExprClass: |
| case Stmt::UnaryTypeTraitExprClass: |
| case Stmt::VAArgExprClass: |
| case Stmt::ObjCArrayLiteralClass: |
| case Stmt::ObjCDictionaryLiteralClass: |
| case Stmt::ObjCBoxedExprClass: |
| case Stmt::ObjCSubscriptRefExprClass: |
| K = CXCursor_UnexposedExpr; |
| break; |
| |
| case Stmt::OpaqueValueExprClass: |
| if (Expr *Src = cast<OpaqueValueExpr>(S)->getSourceExpr()) |
| return MakeCXCursor(Src, Parent, TU, RegionOfInterest); |
| K = CXCursor_UnexposedExpr; |
| break; |
| |
| case Stmt::PseudoObjectExprClass: |
| return MakeCXCursor(cast<PseudoObjectExpr>(S)->getSyntacticForm(), |
| Parent, TU, RegionOfInterest); |
| |
| case Stmt::CompoundStmtClass: |
| K = CXCursor_CompoundStmt; |
| break; |
| |
| case Stmt::NullStmtClass: |
| K = CXCursor_NullStmt; |
| break; |
| |
| case Stmt::LabelStmtClass: |
| K = CXCursor_LabelStmt; |
| break; |
| |
| case Stmt::AttributedStmtClass: |
| K = CXCursor_UnexposedStmt; |
| break; |
| |
| case Stmt::DeclStmtClass: |
| K = CXCursor_DeclStmt; |
| break; |
| |
| case Stmt::IntegerLiteralClass: |
| K = CXCursor_IntegerLiteral; |
| break; |
| |
| case Stmt::FloatingLiteralClass: |
| K = CXCursor_FloatingLiteral; |
| break; |
| |
| case Stmt::ImaginaryLiteralClass: |
| K = CXCursor_ImaginaryLiteral; |
| break; |
| |
| case Stmt::StringLiteralClass: |
| K = CXCursor_StringLiteral; |
| break; |
| |
| case Stmt::CharacterLiteralClass: |
| K = CXCursor_CharacterLiteral; |
| break; |
| |
| case Stmt::ParenExprClass: |
| K = CXCursor_ParenExpr; |
| break; |
| |
| case Stmt::UnaryOperatorClass: |
| K = CXCursor_UnaryOperator; |
| break; |
| |
| case Stmt::CXXNoexceptExprClass: |
| K = CXCursor_UnaryExpr; |
| break; |
| |
| case Stmt::ArraySubscriptExprClass: |
| K = CXCursor_ArraySubscriptExpr; |
| break; |
| |
| case Stmt::BinaryOperatorClass: |
| K = CXCursor_BinaryOperator; |
| break; |
| |
| case Stmt::CompoundAssignOperatorClass: |
| K = CXCursor_CompoundAssignOperator; |
| break; |
| |
| case Stmt::ConditionalOperatorClass: |
| K = CXCursor_ConditionalOperator; |
| break; |
| |
| case Stmt::CStyleCastExprClass: |
| K = CXCursor_CStyleCastExpr; |
| break; |
| |
| case Stmt::CompoundLiteralExprClass: |
| K = CXCursor_CompoundLiteralExpr; |
| break; |
| |
| case Stmt::InitListExprClass: |
| K = CXCursor_InitListExpr; |
| break; |
| |
| case Stmt::AddrLabelExprClass: |
| K = CXCursor_AddrLabelExpr; |
| break; |
| |
| case Stmt::StmtExprClass: |
| K = CXCursor_StmtExpr; |
| break; |
| |
| case Stmt::GenericSelectionExprClass: |
| K = CXCursor_GenericSelectionExpr; |
| break; |
| |
| case Stmt::GNUNullExprClass: |
| K = CXCursor_GNUNullExpr; |
| break; |
| |
| case Stmt::CXXStaticCastExprClass: |
| K = CXCursor_CXXStaticCastExpr; |
| break; |
| |
| case Stmt::CXXDynamicCastExprClass: |
| K = CXCursor_CXXDynamicCastExpr; |
| break; |
| |
| case Stmt::CXXReinterpretCastExprClass: |
| K = CXCursor_CXXReinterpretCastExpr; |
| break; |
| |
| case Stmt::CXXConstCastExprClass: |
| K = CXCursor_CXXConstCastExpr; |
| break; |
| |
| case Stmt::CXXFunctionalCastExprClass: |
| K = CXCursor_CXXFunctionalCastExpr; |
| break; |
| |
| case Stmt::CXXTypeidExprClass: |
| K = CXCursor_CXXTypeidExpr; |
| break; |
| |
| case Stmt::CXXBoolLiteralExprClass: |
| K = CXCursor_CXXBoolLiteralExpr; |
| break; |
| |
| case Stmt::CXXNullPtrLiteralExprClass: |
| K = CXCursor_CXXNullPtrLiteralExpr; |
| break; |
| |
| case Stmt::CXXThisExprClass: |
| K = CXCursor_CXXThisExpr; |
| break; |
| |
| case Stmt::CXXThrowExprClass: |
| K = CXCursor_CXXThrowExpr; |
| break; |
| |
| case Stmt::CXXNewExprClass: |
| K = CXCursor_CXXNewExpr; |
| break; |
| |
| case Stmt::CXXDeleteExprClass: |
| K = CXCursor_CXXDeleteExpr; |
| break; |
| |
| case Stmt::ObjCStringLiteralClass: |
| K = CXCursor_ObjCStringLiteral; |
| break; |
| |
| case Stmt::ObjCEncodeExprClass: |
| K = CXCursor_ObjCEncodeExpr; |
| break; |
| |
| case Stmt::ObjCSelectorExprClass: |
| K = CXCursor_ObjCSelectorExpr; |
| break; |
| |
| case Stmt::ObjCProtocolExprClass: |
| K = CXCursor_ObjCProtocolExpr; |
| break; |
| |
| case Stmt::ObjCBoolLiteralExprClass: |
| K = CXCursor_ObjCBoolLiteralExpr; |
| break; |
| |
| case Stmt::ObjCBridgedCastExprClass: |
| K = CXCursor_ObjCBridgedCastExpr; |
| break; |
| |
| case Stmt::BlockExprClass: |
| K = CXCursor_BlockExpr; |
| break; |
| |
| case Stmt::PackExpansionExprClass: |
| K = CXCursor_PackExpansionExpr; |
| break; |
| |
| case Stmt::SizeOfPackExprClass: |
| K = CXCursor_SizeOfPackExpr; |
| break; |
| |
| case Stmt::DeclRefExprClass: |
| case Stmt::DependentScopeDeclRefExprClass: |
| case Stmt::SubstNonTypeTemplateParmExprClass: |
| case Stmt::SubstNonTypeTemplateParmPackExprClass: |
| case Stmt::UnresolvedLookupExprClass: |
| K = CXCursor_DeclRefExpr; |
| break; |
| |
| case Stmt::CXXDependentScopeMemberExprClass: |
| case Stmt::CXXPseudoDestructorExprClass: |
| case Stmt::MemberExprClass: |
| case Stmt::ObjCIsaExprClass: |
| case Stmt::ObjCIvarRefExprClass: |
| case Stmt::ObjCPropertyRefExprClass: |
| case Stmt::UnresolvedMemberExprClass: |
| K = CXCursor_MemberRefExpr; |
| break; |
| |
| case Stmt::CallExprClass: |
| case Stmt::CXXOperatorCallExprClass: |
| case Stmt::CXXMemberCallExprClass: |
| case Stmt::CUDAKernelCallExprClass: |
| case Stmt::CXXConstructExprClass: |
| case Stmt::CXXTemporaryObjectExprClass: |
| case Stmt::CXXUnresolvedConstructExprClass: |
| case Stmt::UserDefinedLiteralClass: |
| K = CXCursor_CallExpr; |
| break; |
| |
| case Stmt::LambdaExprClass: |
| K = CXCursor_LambdaExpr; |
| break; |
| |
| case Stmt::ObjCMessageExprClass: { |
| K = CXCursor_ObjCMessageExpr; |
| int SelectorIdIndex = -1; |
| // Check if cursor points to a selector id. |
| if (RegionOfInterest.isValid() && |
| RegionOfInterest.getBegin() == RegionOfInterest.getEnd()) { |
| SmallVector<SourceLocation, 16> SelLocs; |
| cast<ObjCMessageExpr>(S)->getSelectorLocs(SelLocs); |
| SmallVector<SourceLocation, 16>::iterator |
| I=std::find(SelLocs.begin(), SelLocs.end(),RegionOfInterest.getBegin()); |
| if (I != SelLocs.end()) |
| SelectorIdIndex = I - SelLocs.begin(); |
| } |
| CXCursor C = { K, 0, { Parent, S, TU } }; |
| return getSelectorIdentifierCursor(SelectorIdIndex, C); |
| } |
| |
| case Stmt::MSDependentExistsStmtClass: |
| K = CXCursor_UnexposedStmt; |
| break; |
| } |
| |
| CXCursor C = { K, 0, { Parent, S, TU } }; |
| return C; |
| } |
| |
| CXCursor cxcursor::MakeCursorObjCSuperClassRef(ObjCInterfaceDecl *Super, |
| SourceLocation Loc, |
| CXTranslationUnit TU) { |
| assert(Super && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_ObjCSuperClassRef, 0, { Super, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<ObjCInterfaceDecl *, SourceLocation> |
| cxcursor::getCursorObjCSuperClassRef(CXCursor C) { |
| assert(C.kind == CXCursor_ObjCSuperClassRef); |
| return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorObjCProtocolRef(const ObjCProtocolDecl *Proto, |
| SourceLocation Loc, |
| CXTranslationUnit TU) { |
| assert(Proto && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_ObjCProtocolRef, 0, { (void*)Proto, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<ObjCProtocolDecl *, SourceLocation> |
| cxcursor::getCursorObjCProtocolRef(CXCursor C) { |
| assert(C.kind == CXCursor_ObjCProtocolRef); |
| return std::make_pair(static_cast<ObjCProtocolDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorObjCClassRef(const ObjCInterfaceDecl *Class, |
| SourceLocation Loc, |
| CXTranslationUnit TU) { |
| // 'Class' can be null for invalid code. |
| if (!Class) |
| return MakeCXCursorInvalid(CXCursor_InvalidCode); |
| assert(TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_ObjCClassRef, 0, { (void*)Class, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<ObjCInterfaceDecl *, SourceLocation> |
| cxcursor::getCursorObjCClassRef(CXCursor C) { |
| assert(C.kind == CXCursor_ObjCClassRef); |
| return std::make_pair(static_cast<ObjCInterfaceDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorTypeRef(const TypeDecl *Type, SourceLocation Loc, |
| CXTranslationUnit TU) { |
| assert(Type && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_TypeRef, 0, { (void*)Type, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<TypeDecl *, SourceLocation> |
| cxcursor::getCursorTypeRef(CXCursor C) { |
| assert(C.kind == CXCursor_TypeRef); |
| return std::make_pair(static_cast<TypeDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorTemplateRef(const TemplateDecl *Template, |
| SourceLocation Loc, |
| CXTranslationUnit TU) { |
| assert(Template && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_TemplateRef, 0, { (void*)Template, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<TemplateDecl *, SourceLocation> |
| cxcursor::getCursorTemplateRef(CXCursor C) { |
| assert(C.kind == CXCursor_TemplateRef); |
| return std::make_pair(static_cast<TemplateDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorNamespaceRef(const NamedDecl *NS, |
| SourceLocation Loc, |
| CXTranslationUnit TU) { |
| |
| assert(NS && (isa<NamespaceDecl>(NS) || isa<NamespaceAliasDecl>(NS)) && TU && |
| "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_NamespaceRef, 0, { (void*)NS, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<NamedDecl *, SourceLocation> |
| cxcursor::getCursorNamespaceRef(CXCursor C) { |
| assert(C.kind == CXCursor_NamespaceRef); |
| return std::make_pair(static_cast<NamedDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorVariableRef(const VarDecl *Var, SourceLocation Loc, |
| CXTranslationUnit TU) { |
| |
| assert(Var && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_VariableRef, 0, { (void*)Var, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<VarDecl *, SourceLocation> |
| cxcursor::getCursorVariableRef(CXCursor C) { |
| assert(C.kind == CXCursor_VariableRef); |
| return std::make_pair(static_cast<VarDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorMemberRef(const FieldDecl *Field, SourceLocation Loc, |
| CXTranslationUnit TU) { |
| |
| assert(Field && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_MemberRef, 0, { (void*)Field, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<FieldDecl *, SourceLocation> |
| cxcursor::getCursorMemberRef(CXCursor C) { |
| assert(C.kind == CXCursor_MemberRef); |
| return std::make_pair(static_cast<FieldDecl *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorCXXBaseSpecifier(const CXXBaseSpecifier *B, |
| CXTranslationUnit TU){ |
| CXCursor C = { CXCursor_CXXBaseSpecifier, 0, { (void*)B, 0, TU } }; |
| return C; |
| } |
| |
| CXXBaseSpecifier *cxcursor::getCursorCXXBaseSpecifier(CXCursor C) { |
| assert(C.kind == CXCursor_CXXBaseSpecifier); |
| return static_cast<CXXBaseSpecifier*>(C.data[0]); |
| } |
| |
| CXCursor cxcursor::MakePreprocessingDirectiveCursor(SourceRange Range, |
| CXTranslationUnit TU) { |
| CXCursor C = { CXCursor_PreprocessingDirective, 0, |
| { reinterpret_cast<void *>(Range.getBegin().getRawEncoding()), |
| reinterpret_cast<void *>(Range.getEnd().getRawEncoding()), |
| TU } |
| }; |
| return C; |
| } |
| |
| SourceRange cxcursor::getCursorPreprocessingDirective(CXCursor C) { |
| assert(C.kind == CXCursor_PreprocessingDirective); |
| SourceRange Range = SourceRange(SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t> (C.data[0])), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t> (C.data[1]))); |
| ASTUnit *TU = getCursorASTUnit(C); |
| return TU->mapRangeFromPreamble(Range); |
| } |
| |
| CXCursor cxcursor::MakeMacroDefinitionCursor(MacroDefinition *MI, |
| CXTranslationUnit TU) { |
| CXCursor C = { CXCursor_MacroDefinition, 0, { MI, 0, TU } }; |
| return C; |
| } |
| |
| MacroDefinition *cxcursor::getCursorMacroDefinition(CXCursor C) { |
| assert(C.kind == CXCursor_MacroDefinition); |
| return static_cast<MacroDefinition *>(C.data[0]); |
| } |
| |
| CXCursor cxcursor::MakeMacroExpansionCursor(MacroExpansion *MI, |
| CXTranslationUnit TU) { |
| CXCursor C = { CXCursor_MacroExpansion, 0, { MI, 0, TU } }; |
| return C; |
| } |
| |
| MacroExpansion *cxcursor::getCursorMacroExpansion(CXCursor C) { |
| assert(C.kind == CXCursor_MacroExpansion); |
| return static_cast<MacroExpansion *>(C.data[0]); |
| } |
| |
| CXCursor cxcursor::MakeInclusionDirectiveCursor(InclusionDirective *ID, |
| CXTranslationUnit TU) { |
| CXCursor C = { CXCursor_InclusionDirective, 0, { ID, 0, TU } }; |
| return C; |
| } |
| |
| InclusionDirective *cxcursor::getCursorInclusionDirective(CXCursor C) { |
| assert(C.kind == CXCursor_InclusionDirective); |
| return static_cast<InclusionDirective *>(C.data[0]); |
| } |
| |
| CXCursor cxcursor::MakeCursorLabelRef(LabelStmt *Label, SourceLocation Loc, |
| CXTranslationUnit TU) { |
| |
| assert(Label && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| CXCursor C = { CXCursor_LabelRef, 0, { Label, RawLoc, TU } }; |
| return C; |
| } |
| |
| std::pair<LabelStmt*, SourceLocation> |
| cxcursor::getCursorLabelRef(CXCursor C) { |
| assert(C.kind == CXCursor_LabelRef); |
| return std::make_pair(static_cast<LabelStmt *>(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| CXCursor cxcursor::MakeCursorOverloadedDeclRef(OverloadExpr *E, |
| CXTranslationUnit TU) { |
| assert(E && TU && "Invalid arguments!"); |
| OverloadedDeclRefStorage Storage(E); |
| void *RawLoc = reinterpret_cast<void *>(E->getNameLoc().getRawEncoding()); |
| CXCursor C = { |
| CXCursor_OverloadedDeclRef, 0, |
| { Storage.getOpaqueValue(), RawLoc, TU } |
| }; |
| return C; |
| } |
| |
| CXCursor cxcursor::MakeCursorOverloadedDeclRef(Decl *D, |
| SourceLocation Loc, |
| CXTranslationUnit TU) { |
| assert(D && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| OverloadedDeclRefStorage Storage(D); |
| CXCursor C = { |
| CXCursor_OverloadedDeclRef, 0, |
| { Storage.getOpaqueValue(), RawLoc, TU } |
| }; |
| return C; |
| } |
| |
| CXCursor cxcursor::MakeCursorOverloadedDeclRef(TemplateName Name, |
| SourceLocation Loc, |
| CXTranslationUnit TU) { |
| assert(Name.getAsOverloadedTemplate() && TU && "Invalid arguments!"); |
| void *RawLoc = reinterpret_cast<void *>(Loc.getRawEncoding()); |
| OverloadedDeclRefStorage Storage(Name.getAsOverloadedTemplate()); |
| CXCursor C = { |
| CXCursor_OverloadedDeclRef, 0, |
| { Storage.getOpaqueValue(), RawLoc, TU } |
| }; |
| return C; |
| } |
| |
| std::pair<cxcursor::OverloadedDeclRefStorage, SourceLocation> |
| cxcursor::getCursorOverloadedDeclRef(CXCursor C) { |
| assert(C.kind == CXCursor_OverloadedDeclRef); |
| return std::make_pair(OverloadedDeclRefStorage::getFromOpaqueValue(C.data[0]), |
| SourceLocation::getFromRawEncoding( |
| reinterpret_cast<uintptr_t>(C.data[1]))); |
| } |
| |
| Decl *cxcursor::getCursorDecl(CXCursor Cursor) { |
| return (Decl *)Cursor.data[0]; |
| } |
| |
| Expr *cxcursor::getCursorExpr(CXCursor Cursor) { |
| return dyn_cast_or_null<Expr>(getCursorStmt(Cursor)); |
| } |
| |
| Stmt *cxcursor::getCursorStmt(CXCursor Cursor) { |
| if (Cursor.kind == CXCursor_ObjCSuperClassRef || |
| Cursor.kind == CXCursor_ObjCProtocolRef || |
| Cursor.kind == CXCursor_ObjCClassRef) |
| return 0; |
| |
| return (Stmt *)Cursor.data[1]; |
| } |
| |
| Attr *cxcursor::getCursorAttr(CXCursor Cursor) { |
| return (Attr *)Cursor.data[1]; |
| } |
| |
| Decl *cxcursor::getCursorParentDecl(CXCursor Cursor) { |
| return (Decl *)Cursor.data[0]; |
| } |
| |
| ASTContext &cxcursor::getCursorContext(CXCursor Cursor) { |
| return getCursorASTUnit(Cursor)->getASTContext(); |
| } |
| |
| ASTUnit *cxcursor::getCursorASTUnit(CXCursor Cursor) { |
| CXTranslationUnit TU = static_cast<CXTranslationUnit>(Cursor.data[2]); |
| if (!TU) |
| return 0; |
| return static_cast<ASTUnit *>(TU->TUData); |
| } |
| |
| CXTranslationUnit cxcursor::getCursorTU(CXCursor Cursor) { |
| return static_cast<CXTranslationUnit>(Cursor.data[2]); |
| } |
| |
| static void CollectOverriddenMethodsRecurse(CXTranslationUnit TU, |
| ObjCContainerDecl *Container, |
| ObjCMethodDecl *Method, |
| SmallVectorImpl<CXCursor> &Methods, |
| bool MovedToSuper) { |
| if (!Container) |
| return; |
| |
| // In categories look for overriden methods from protocols. A method from |
| // category is not "overriden" since it is considered as the "same" method |
| // (same USR) as the one from the interface. |
| if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(Container)) { |
| // Check whether we have a matching method at this category but only if we |
| // are at the super class level. |
| if (MovedToSuper) |
| if (ObjCMethodDecl * |
| Overridden = Container->getMethod(Method->getSelector(), |
| Method->isInstanceMethod())) |
| if (Method != Overridden) { |
| // We found an override at this category; there is no need to look |
| // into its protocols. |
| Methods.push_back(MakeCXCursor(Overridden, TU)); |
| return; |
| } |
| |
| for (ObjCCategoryDecl::protocol_iterator P = Category->protocol_begin(), |
| PEnd = Category->protocol_end(); |
| P != PEnd; ++P) |
| CollectOverriddenMethodsRecurse(TU, *P, Method, Methods, MovedToSuper); |
| return; |
| } |
| |
| // Check whether we have a matching method at this level. |
| if (ObjCMethodDecl *Overridden = Container->getMethod(Method->getSelector(), |
| Method->isInstanceMethod())) |
| if (Method != Overridden) { |
| // We found an override at this level; there is no need to look |
| // into other protocols or categories. |
| Methods.push_back(MakeCXCursor(Overridden, TU)); |
| return; |
| } |
| |
| if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) { |
| for (ObjCProtocolDecl::protocol_iterator P = Protocol->protocol_begin(), |
| PEnd = Protocol->protocol_end(); |
| P != PEnd; ++P) |
| CollectOverriddenMethodsRecurse(TU, *P, Method, Methods, MovedToSuper); |
| } |
| |
| if (ObjCInterfaceDecl *Interface = dyn_cast<ObjCInterfaceDecl>(Container)) { |
| for (ObjCInterfaceDecl::protocol_iterator P = Interface->protocol_begin(), |
| PEnd = Interface->protocol_end(); |
| P != PEnd; ++P) |
| CollectOverriddenMethodsRecurse(TU, *P, Method, Methods, MovedToSuper); |
| |
| for (ObjCCategoryDecl *Category = Interface->getCategoryList(); |
| Category; Category = Category->getNextClassCategory()) |
| CollectOverriddenMethodsRecurse(TU, Category, Method, Methods, |
| MovedToSuper); |
| |
| if (ObjCInterfaceDecl *Super = Interface->getSuperClass()) |
| return CollectOverriddenMethodsRecurse(TU, Super, Method, Methods, |
| /*MovedToSuper=*/true); |
| } |
| } |
| |
| static inline void CollectOverriddenMethods(CXTranslationUnit TU, |
| ObjCContainerDecl *Container, |
| ObjCMethodDecl *Method, |
| SmallVectorImpl<CXCursor> &Methods) { |
| CollectOverriddenMethodsRecurse(TU, Container, Method, Methods, |
| /*MovedToSuper=*/false); |
| } |
| |
| static void collectOverriddenMethodsSlow(CXTranslationUnit TU, |
| ObjCMethodDecl *Method, |
| SmallVectorImpl<CXCursor> &overridden) { |
| assert(Method->isOverriding()); |
| |
| if (ObjCProtocolDecl * |
| ProtD = dyn_cast<ObjCProtocolDecl>(Method->getDeclContext())) { |
| CollectOverriddenMethods(TU, ProtD, Method, overridden); |
| |
| } else if (ObjCImplDecl * |
| IMD = dyn_cast<ObjCImplDecl>(Method->getDeclContext())) { |
| ObjCInterfaceDecl *ID = IMD->getClassInterface(); |
| if (!ID) |
| return; |
| // Start searching for overridden methods using the method from the |
| // interface as starting point. |
| if (ObjCMethodDecl *IFaceMeth = ID->getMethod(Method->getSelector(), |
| Method->isInstanceMethod())) |
| Method = IFaceMeth; |
| CollectOverriddenMethods(TU, ID, Method, overridden); |
| |
| } else if (ObjCCategoryDecl * |
| CatD = dyn_cast<ObjCCategoryDecl>(Method->getDeclContext())) { |
| ObjCInterfaceDecl *ID = CatD->getClassInterface(); |
| if (!ID) |
| return; |
| // Start searching for overridden methods using the method from the |
| // interface as starting point. |
| if (ObjCMethodDecl *IFaceMeth = ID->getMethod(Method->getSelector(), |
| Method->isInstanceMethod())) |
| Method = IFaceMeth; |
| CollectOverriddenMethods(TU, ID, Method, overridden); |
| |
| } else { |
| CollectOverriddenMethods(TU, |
| dyn_cast_or_null<ObjCContainerDecl>(Method->getDeclContext()), |
| Method, overridden); |
| } |
| } |
| |
| static void collectOnCategoriesAfterLocation(SourceLocation Loc, |
| ObjCInterfaceDecl *Class, |
| CXTranslationUnit TU, |
| ObjCMethodDecl *Method, |
| SmallVectorImpl<CXCursor> &Methods) { |
| if (!Class) |
| return; |
| |
| SourceManager &SM = static_cast<ASTUnit *>(TU->TUData)->getSourceManager(); |
| for (ObjCCategoryDecl *Category = Class->getCategoryList(); |
| Category; Category = Category->getNextClassCategory()) |
| if (SM.isBeforeInTranslationUnit(Loc, Category->getLocation())) |
| CollectOverriddenMethodsRecurse(TU, Category, Method, Methods, true); |
| |
| collectOnCategoriesAfterLocation(Loc, Class->getSuperClass(), TU, |
| Method, Methods); |
| } |
| |
| /// \brief Faster collection that is enabled when ObjCMethodDecl::isOverriding() |
| /// returns false. |
| /// You'd think that in that case there are no overrides but categories can |
| /// "introduce" new overridden methods that are missed by Sema because the |
| /// overrides lookup that it does for methods, inside implementations, will |
| /// stop at the interface level (if there is a method there) and not look |
| /// further in super classes. |
| static void collectOverriddenMethodsFast(CXTranslationUnit TU, |
| ObjCMethodDecl *Method, |
| SmallVectorImpl<CXCursor> &Methods) { |
| assert(!Method->isOverriding()); |
| |
| ObjCContainerDecl *ContD = cast<ObjCContainerDecl>(Method->getDeclContext()); |
| if (isa<ObjCInterfaceDecl>(ContD) || isa<ObjCProtocolDecl>(ContD)) |
| return; |
| ObjCInterfaceDecl *Class = Method->getClassInterface(); |
| if (!Class) |
| return; |
| |
| collectOnCategoriesAfterLocation(Class->getLocation(), Class->getSuperClass(), |
| TU, Method, Methods); |
| } |
| |
| void cxcursor::getOverriddenCursors(CXCursor cursor, |
| SmallVectorImpl<CXCursor> &overridden) { |
| assert(clang_isDeclaration(cursor.kind)); |
| Decl *D = getCursorDecl(cursor); |
| if (!D) |
| return; |
| |
| // Handle C++ member functions. |
| CXTranslationUnit TU = getCursorTU(cursor); |
| if (CXXMethodDecl *CXXMethod = dyn_cast<CXXMethodDecl>(D)) { |
| for (CXXMethodDecl::method_iterator |
| M = CXXMethod->begin_overridden_methods(), |
| MEnd = CXXMethod->end_overridden_methods(); |
| M != MEnd; ++M) |
| overridden.push_back(MakeCXCursor(const_cast<CXXMethodDecl*>(*M), TU)); |
| return; |
| } |
| |
| ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(D); |
| if (!Method) |
| return; |
| |
| if (Method->isRedeclaration()) { |
| Method = cast<ObjCContainerDecl>(Method->getDeclContext())-> |
| getMethod(Method->getSelector(), Method->isInstanceMethod()); |
| } |
| |
| if (!Method->isOverriding()) { |
| collectOverriddenMethodsFast(TU, Method, overridden); |
| } else { |
| collectOverriddenMethodsSlow(TU, Method, overridden); |
| assert(!overridden.empty() && |
| "ObjCMethodDecl's overriding bit is not as expected"); |
| } |
| } |
| |
| std::pair<int, SourceLocation> |
| cxcursor::getSelectorIdentifierIndexAndLoc(CXCursor cursor) { |
| if (cursor.kind == CXCursor_ObjCMessageExpr) { |
| if (cursor.xdata != -1) |
| return std::make_pair(cursor.xdata, |
| cast<ObjCMessageExpr>(getCursorExpr(cursor)) |
| ->getSelectorLoc(cursor.xdata)); |
| } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || |
| cursor.kind == CXCursor_ObjCInstanceMethodDecl) { |
| if (cursor.xdata != -1) |
| return std::make_pair(cursor.xdata, |
| cast<ObjCMethodDecl>(getCursorDecl(cursor)) |
| ->getSelectorLoc(cursor.xdata)); |
| } |
| |
| return std::make_pair(-1, SourceLocation()); |
| } |
| |
| CXCursor cxcursor::getSelectorIdentifierCursor(int SelIdx, CXCursor cursor) { |
| CXCursor newCursor = cursor; |
| |
| if (cursor.kind == CXCursor_ObjCMessageExpr) { |
| if (SelIdx == -1 || |
| unsigned(SelIdx) >= cast<ObjCMessageExpr>(getCursorExpr(cursor)) |
| ->getNumSelectorLocs()) |
| newCursor.xdata = -1; |
| else |
| newCursor.xdata = SelIdx; |
| } else if (cursor.kind == CXCursor_ObjCClassMethodDecl || |
| cursor.kind == CXCursor_ObjCInstanceMethodDecl) { |
| if (SelIdx == -1 || |
| unsigned(SelIdx) >= cast<ObjCMethodDecl>(getCursorDecl(cursor)) |
| ->getNumSelectorLocs()) |
| newCursor.xdata = -1; |
| else |
| newCursor.xdata = SelIdx; |
| } |
| |
| return newCursor; |
| } |
| |
| CXCursor cxcursor::getTypeRefCursor(CXCursor cursor) { |
| if (cursor.kind != CXCursor_CallExpr) |
| return cursor; |
| |
| if (cursor.xdata == 0) |
| return cursor; |
| |
| Expr *E = getCursorExpr(cursor); |
| TypeSourceInfo *Type = 0; |
| if (CXXUnresolvedConstructExpr * |
| UnCtor = dyn_cast<CXXUnresolvedConstructExpr>(E)) { |
| Type = UnCtor->getTypeSourceInfo(); |
| } else if (CXXTemporaryObjectExpr *Tmp = dyn_cast<CXXTemporaryObjectExpr>(E)){ |
| Type = Tmp->getTypeSourceInfo(); |
| } |
| |
| if (!Type) |
| return cursor; |
| |
| CXTranslationUnit TU = getCursorTU(cursor); |
| QualType Ty = Type->getType(); |
| TypeLoc TL = Type->getTypeLoc(); |
| SourceLocation Loc = TL.getBeginLoc(); |
| |
| if (const ElaboratedType *ElabT = Ty->getAs<ElaboratedType>()) { |
| Ty = ElabT->getNamedType(); |
| ElaboratedTypeLoc ElabTL = cast<ElaboratedTypeLoc>(TL); |
| Loc = ElabTL.getNamedTypeLoc().getBeginLoc(); |
| } |
| |
| if (const TypedefType *Typedef = Ty->getAs<TypedefType>()) |
| return MakeCursorTypeRef(Typedef->getDecl(), Loc, TU); |
| if (const TagType *Tag = Ty->getAs<TagType>()) |
| return MakeCursorTypeRef(Tag->getDecl(), Loc, TU); |
| if (const TemplateTypeParmType *TemplP = Ty->getAs<TemplateTypeParmType>()) |
| return MakeCursorTypeRef(TemplP->getDecl(), Loc, TU); |
| |
| return cursor; |
| } |
| |
| bool cxcursor::operator==(CXCursor X, CXCursor Y) { |
| return X.kind == Y.kind && X.data[0] == Y.data[0] && X.data[1] == Y.data[1] && |
| X.data[2] == Y.data[2]; |
| } |
| |
| // FIXME: Remove once we can model DeclGroups and their appropriate ranges |
| // properly in the ASTs. |
| bool cxcursor::isFirstInDeclGroup(CXCursor C) { |
| assert(clang_isDeclaration(C.kind)); |
| return ((uintptr_t) (C.data[1])) != 0; |
| } |
| |
| //===----------------------------------------------------------------------===// |
| // libclang CXCursor APIs |
| //===----------------------------------------------------------------------===// |
| |
| extern "C" { |
| |
| int clang_Cursor_isNull(CXCursor cursor) { |
| return clang_equalCursors(cursor, clang_getNullCursor()); |
| } |
| |
| CXTranslationUnit clang_Cursor_getTranslationUnit(CXCursor cursor) { |
| return getCursorTU(cursor); |
| } |
| |
| int clang_Cursor_getNumArguments(CXCursor C) { |
| if (clang_isDeclaration(C.kind)) { |
| Decl *D = cxcursor::getCursorDecl(C); |
| if (const ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) |
| return MD->param_size(); |
| if (const FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) |
| return FD->param_size(); |
| } |
| |
| return -1; |
| } |
| |
| CXCursor clang_Cursor_getArgument(CXCursor C, unsigned i) { |
| if (clang_isDeclaration(C.kind)) { |
| Decl *D = cxcursor::getCursorDecl(C); |
| if (ObjCMethodDecl *MD = dyn_cast_or_null<ObjCMethodDecl>(D)) { |
| if (i < MD->param_size()) |
| return cxcursor::MakeCXCursor(MD->param_begin()[i], |
| cxcursor::getCursorTU(C)); |
| } else if (FunctionDecl *FD = dyn_cast_or_null<FunctionDecl>(D)) { |
| if (i < FD->param_size()) |
| return cxcursor::MakeCXCursor(FD->param_begin()[i], |
| cxcursor::getCursorTU(C)); |
| } |
| } |
| |
| return clang_getNullCursor(); |
| } |
| |
| } // end: extern "C" |
| |
| //===----------------------------------------------------------------------===// |
| // CXCursorSet. |
| //===----------------------------------------------------------------------===// |
| |
| typedef llvm::DenseMap<CXCursor, unsigned> CXCursorSet_Impl; |
| |
| static inline CXCursorSet packCXCursorSet(CXCursorSet_Impl *setImpl) { |
| return (CXCursorSet) setImpl; |
| } |
| static inline CXCursorSet_Impl *unpackCXCursorSet(CXCursorSet set) { |
| return (CXCursorSet_Impl*) set; |
| } |
| namespace llvm { |
| template<> struct DenseMapInfo<CXCursor> { |
| public: |
| static inline CXCursor getEmptyKey() { |
| return MakeCXCursorInvalid(CXCursor_InvalidFile); |
| } |
| static inline CXCursor getTombstoneKey() { |
| return MakeCXCursorInvalid(CXCursor_NoDeclFound); |
| } |
| static inline unsigned getHashValue(const CXCursor &cursor) { |
| return llvm::DenseMapInfo<std::pair<void*,void*> > |
| ::getHashValue(std::make_pair(cursor.data[0], cursor.data[1])); |
| } |
| static inline bool isEqual(const CXCursor &x, const CXCursor &y) { |
| return x.kind == y.kind && |
| x.data[0] == y.data[0] && |
| x.data[1] == y.data[1]; |
| } |
| }; |
| } |
| |
| extern "C" { |
| CXCursorSet clang_createCXCursorSet() { |
| return packCXCursorSet(new CXCursorSet_Impl()); |
| } |
| |
| void clang_disposeCXCursorSet(CXCursorSet set) { |
| delete unpackCXCursorSet(set); |
| } |
| |
| unsigned clang_CXCursorSet_contains(CXCursorSet set, CXCursor cursor) { |
| CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); |
| if (!setImpl) |
| return 0; |
| return setImpl->find(cursor) == setImpl->end(); |
| } |
| |
| unsigned clang_CXCursorSet_insert(CXCursorSet set, CXCursor cursor) { |
| // Do not insert invalid cursors into the set. |
| if (cursor.kind >= CXCursor_FirstInvalid && |
| cursor.kind <= CXCursor_LastInvalid) |
| return 1; |
| |
| CXCursorSet_Impl *setImpl = unpackCXCursorSet(set); |
| if (!setImpl) |
| return 1; |
| unsigned &entry = (*setImpl)[cursor]; |
| unsigned flag = entry == 0 ? 1 : 0; |
| entry = 1; |
| return flag; |
| } |
| |
| CXCompletionString clang_getCursorCompletionString(CXCursor cursor) { |
| enum CXCursorKind kind = clang_getCursorKind(cursor); |
| if (clang_isDeclaration(kind)) { |
| Decl *decl = getCursorDecl(cursor); |
| if (NamedDecl *namedDecl = dyn_cast_or_null<NamedDecl>(decl)) { |
| ASTUnit *unit = getCursorASTUnit(cursor); |
| CodeCompletionResult Result(namedDecl); |
| CodeCompletionString *String |
| = Result.CreateCodeCompletionString(unit->getASTContext(), |
| unit->getPreprocessor(), |
| unit->getCodeCompletionTUInfo().getAllocator(), |
| unit->getCodeCompletionTUInfo(), |
| true); |
| return String; |
| } |
| } |
| else if (kind == CXCursor_MacroDefinition) { |
| MacroDefinition *definition = getCursorMacroDefinition(cursor); |
| const IdentifierInfo *MacroInfo = definition->getName(); |
| ASTUnit *unit = getCursorASTUnit(cursor); |
| CodeCompletionResult Result(const_cast<IdentifierInfo *>(MacroInfo)); |
| CodeCompletionString *String |
| = Result.CreateCodeCompletionString(unit->getASTContext(), |
| unit->getPreprocessor(), |
| unit->getCodeCompletionTUInfo().getAllocator(), |
| unit->getCodeCompletionTUInfo(), |
| false); |
| return String; |
| } |
| return NULL; |
| } |
| } // end: extern C. |
| |
| namespace { |
| struct OverridenCursorsPool { |
| typedef llvm::SmallVector<CXCursor, 2> CursorVec; |
| std::vector<CursorVec*> AllCursors; |
| std::vector<CursorVec*> AvailableCursors; |
| |
| ~OverridenCursorsPool() { |
| for (std::vector<CursorVec*>::iterator I = AllCursors.begin(), |
| E = AllCursors.end(); I != E; ++I) { |
| delete *I; |
| } |
| } |
| }; |
| } |
| |
| void *cxcursor::createOverridenCXCursorsPool() { |
| return new OverridenCursorsPool(); |
| } |
| |
| void cxcursor::disposeOverridenCXCursorsPool(void *pool) { |
| delete static_cast<OverridenCursorsPool*>(pool); |
| } |
| |
| extern "C" { |
| void clang_getOverriddenCursors(CXCursor cursor, |
| CXCursor **overridden, |
| unsigned *num_overridden) { |
| if (overridden) |
| *overridden = 0; |
| if (num_overridden) |
| *num_overridden = 0; |
| |
| CXTranslationUnit TU = cxcursor::getCursorTU(cursor); |
| |
| if (!overridden || !num_overridden || !TU) |
| return; |
| |
| if (!clang_isDeclaration(cursor.kind)) |
| return; |
| |
| OverridenCursorsPool &pool = |
| *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); |
| |
| OverridenCursorsPool::CursorVec *Vec = 0; |
| |
| if (!pool.AvailableCursors.empty()) { |
| Vec = pool.AvailableCursors.back(); |
| pool.AvailableCursors.pop_back(); |
| } |
| else { |
| Vec = new OverridenCursorsPool::CursorVec(); |
| pool.AllCursors.push_back(Vec); |
| } |
| |
| // Clear out the vector, but don't free the memory contents. This |
| // reduces malloc() traffic. |
| Vec->clear(); |
| |
| // Use the first entry to contain a back reference to the vector. |
| // This is a complete hack. |
| CXCursor backRefCursor = MakeCXCursorInvalid(CXCursor_InvalidFile, TU); |
| backRefCursor.data[0] = Vec; |
| assert(cxcursor::getCursorTU(backRefCursor) == TU); |
| Vec->push_back(backRefCursor); |
| |
| // Get the overriden cursors. |
| cxcursor::getOverriddenCursors(cursor, *Vec); |
| |
| // Did we get any overriden cursors? If not, return Vec to the pool |
| // of available cursor vectors. |
| if (Vec->size() == 1) { |
| pool.AvailableCursors.push_back(Vec); |
| return; |
| } |
| |
| // Now tell the caller about the overriden cursors. |
| assert(Vec->size() > 1); |
| *overridden = &((*Vec)[1]); |
| *num_overridden = Vec->size() - 1; |
| } |
| |
| void clang_disposeOverriddenCursors(CXCursor *overridden) { |
| if (!overridden) |
| return; |
| |
| // Use pointer arithmetic to get back the first faux entry |
| // which has a back-reference to the TU and the vector. |
| --overridden; |
| OverridenCursorsPool::CursorVec *Vec = |
| static_cast<OverridenCursorsPool::CursorVec*>(overridden->data[0]); |
| CXTranslationUnit TU = getCursorTU(*overridden); |
| |
| assert(Vec && TU); |
| |
| OverridenCursorsPool &pool = |
| *static_cast<OverridenCursorsPool*>(TU->OverridenCursorsPool); |
| |
| pool.AvailableCursors.push_back(Vec); |
| } |
| |
| int clang_Cursor_isDynamicCall(CXCursor C) { |
| const Expr *E = 0; |
| if (clang_isExpression(C.kind)) |
| E = getCursorExpr(C); |
| if (!E) |
| return 0; |
| |
| if (const ObjCMessageExpr *MsgE = dyn_cast<ObjCMessageExpr>(E)) |
| return MsgE->getReceiverKind() == ObjCMessageExpr::Instance; |
| |
| const MemberExpr *ME = 0; |
| if (isa<MemberExpr>(E)) |
| ME = cast<MemberExpr>(E); |
| else if (const CallExpr *CE = dyn_cast<CallExpr>(E)) |
| ME = dyn_cast_or_null<MemberExpr>(CE->getCallee()); |
| |
| if (ME) { |
| if (const CXXMethodDecl * |
| MD = dyn_cast_or_null<CXXMethodDecl>(ME->getMemberDecl())) |
| return MD->isVirtual() && !ME->hasQualifier(); |
| } |
| |
| return 0; |
| } |
| |
| } // end: extern "C" |