diff options
Diffstat (limited to 'clang/tools/libclang/CXCursor.cpp')
| -rw-r--r-- | clang/tools/libclang/CXCursor.cpp | 1156 |
1 files changed, 1156 insertions, 0 deletions
diff --git a/clang/tools/libclang/CXCursor.cpp b/clang/tools/libclang/CXCursor.cpp new file mode 100644 index 0000000..a298759 --- /dev/null +++ b/clang/tools/libclang/CXCursor.cpp @@ -0,0 +1,1156 @@ +//===- 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) { + assert(K >= CXCursor_FirstInvalid && K <= CXCursor_LastInvalid); + CXCursor C = { K, 0, { 0, 0, 0 } }; + 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::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::ObjCNumericLiteralClass: + 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); +} + +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 (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); + } +} + +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()); + 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()); + return String; + } + return NULL; +} + +} // end: extern "C" |