| //===---------------- SemaCodeComplete.cpp - Code Completion ----*- C++ -*-===// |
| // |
| // The LLVM Compiler Infrastructure |
| // |
| // This file is distributed under the University of Illinois Open Source |
| // License. See LICENSE.TXT for details. |
| // |
| //===----------------------------------------------------------------------===// |
| // |
| // This file defines the code-completion semantic actions. |
| // |
| //===----------------------------------------------------------------------===// |
| #include "clang/Sema/SemaInternal.h" |
| #include "clang/Sema/Lookup.h" |
| #include "clang/Sema/Overload.h" |
| #include "clang/Sema/CodeCompleteConsumer.h" |
| #include "clang/Sema/ExternalSemaSource.h" |
| #include "clang/Sema/Scope.h" |
| #include "clang/Sema/ScopeInfo.h" |
| #include "clang/AST/DeclObjC.h" |
| #include "clang/AST/ExprCXX.h" |
| #include "clang/AST/ExprObjC.h" |
| #include "clang/Lex/MacroInfo.h" |
| #include "clang/Lex/Preprocessor.h" |
| #include "llvm/ADT/DenseSet.h" |
| #include "llvm/ADT/SmallPtrSet.h" |
| #include "llvm/ADT/StringExtras.h" |
| #include "llvm/ADT/StringSwitch.h" |
| #include "llvm/ADT/Twine.h" |
| #include <list> |
| #include <map> |
| #include <vector> |
| |
| using namespace clang; |
| using namespace sema; |
| |
| namespace { |
| /// \brief A container of code-completion results. |
| class ResultBuilder { |
| public: |
| /// \brief The type of a name-lookup filter, which can be provided to the |
| /// name-lookup routines to specify which declarations should be included in |
| /// the result set (when it returns true) and which declarations should be |
| /// filtered out (returns false). |
| typedef bool (ResultBuilder::*LookupFilter)(NamedDecl *) const; |
| |
| typedef CodeCompletionResult Result; |
| |
| private: |
| /// \brief The actual results we have found. |
| std::vector<Result> Results; |
| |
| /// \brief A record of all of the declarations we have found and placed |
| /// into the result set, used to ensure that no declaration ever gets into |
| /// the result set twice. |
| llvm::SmallPtrSet<Decl*, 16> AllDeclsFound; |
| |
| typedef std::pair<NamedDecl *, unsigned> DeclIndexPair; |
| |
| /// \brief An entry in the shadow map, which is optimized to store |
| /// a single (declaration, index) mapping (the common case) but |
| /// can also store a list of (declaration, index) mappings. |
| class ShadowMapEntry { |
| typedef SmallVector<DeclIndexPair, 4> DeclIndexPairVector; |
| |
| /// \brief Contains either the solitary NamedDecl * or a vector |
| /// of (declaration, index) pairs. |
| llvm::PointerUnion<NamedDecl *, DeclIndexPairVector*> DeclOrVector; |
| |
| /// \brief When the entry contains a single declaration, this is |
| /// the index associated with that entry. |
| unsigned SingleDeclIndex; |
| |
| public: |
| ShadowMapEntry() : DeclOrVector(), SingleDeclIndex(0) { } |
| |
| void Add(NamedDecl *ND, unsigned Index) { |
| if (DeclOrVector.isNull()) { |
| // 0 - > 1 elements: just set the single element information. |
| DeclOrVector = ND; |
| SingleDeclIndex = Index; |
| return; |
| } |
| |
| if (NamedDecl *PrevND = DeclOrVector.dyn_cast<NamedDecl *>()) { |
| // 1 -> 2 elements: create the vector of results and push in the |
| // existing declaration. |
| DeclIndexPairVector *Vec = new DeclIndexPairVector; |
| Vec->push_back(DeclIndexPair(PrevND, SingleDeclIndex)); |
| DeclOrVector = Vec; |
| } |
| |
| // Add the new element to the end of the vector. |
| DeclOrVector.get<DeclIndexPairVector*>()->push_back( |
| DeclIndexPair(ND, Index)); |
| } |
| |
| void Destroy() { |
| if (DeclIndexPairVector *Vec |
| = DeclOrVector.dyn_cast<DeclIndexPairVector *>()) { |
| delete Vec; |
| DeclOrVector = ((NamedDecl *)0); |
| } |
| } |
| |
| // Iteration. |
| class iterator; |
| iterator begin() const; |
| iterator end() const; |
| }; |
| |
| /// \brief A mapping from declaration names to the declarations that have |
| /// this name within a particular scope and their index within the list of |
| /// results. |
| typedef llvm::DenseMap<DeclarationName, ShadowMapEntry> ShadowMap; |
| |
| /// \brief The semantic analysis object for which results are being |
| /// produced. |
| Sema &SemaRef; |
| |
| /// \brief The allocator used to allocate new code-completion strings. |
| CodeCompletionAllocator &Allocator; |
| |
| /// \brief If non-NULL, a filter function used to remove any code-completion |
| /// results that are not desirable. |
| LookupFilter Filter; |
| |
| /// \brief Whether we should allow declarations as |
| /// nested-name-specifiers that would otherwise be filtered out. |
| bool AllowNestedNameSpecifiers; |
| |
| /// \brief If set, the type that we would prefer our resulting value |
| /// declarations to have. |
| /// |
| /// Closely matching the preferred type gives a boost to a result's |
| /// priority. |
| CanQualType PreferredType; |
| |
| /// \brief A list of shadow maps, which is used to model name hiding at |
| /// different levels of, e.g., the inheritance hierarchy. |
| std::list<ShadowMap> ShadowMaps; |
| |
| /// \brief If we're potentially referring to a C++ member function, the set |
| /// of qualifiers applied to the object type. |
| Qualifiers ObjectTypeQualifiers; |
| |
| /// \brief Whether the \p ObjectTypeQualifiers field is active. |
| bool HasObjectTypeQualifiers; |
| |
| /// \brief The selector that we prefer. |
| Selector PreferredSelector; |
| |
| /// \brief The completion context in which we are gathering results. |
| CodeCompletionContext CompletionContext; |
| |
| /// \brief If we are in an instance method definition, the @implementation |
| /// object. |
| ObjCImplementationDecl *ObjCImplementation; |
| |
| void AdjustResultPriorityForDecl(Result &R); |
| |
| void MaybeAddConstructorResults(Result R); |
| |
| public: |
| explicit ResultBuilder(Sema &SemaRef, CodeCompletionAllocator &Allocator, |
| const CodeCompletionContext &CompletionContext, |
| LookupFilter Filter = 0) |
| : SemaRef(SemaRef), Allocator(Allocator), Filter(Filter), |
| AllowNestedNameSpecifiers(false), HasObjectTypeQualifiers(false), |
| CompletionContext(CompletionContext), |
| ObjCImplementation(0) |
| { |
| // If this is an Objective-C instance method definition, dig out the |
| // corresponding implementation. |
| switch (CompletionContext.getKind()) { |
| case CodeCompletionContext::CCC_Expression: |
| case CodeCompletionContext::CCC_ObjCMessageReceiver: |
| case CodeCompletionContext::CCC_ParenthesizedExpression: |
| case CodeCompletionContext::CCC_Statement: |
| case CodeCompletionContext::CCC_Recovery: |
| if (ObjCMethodDecl *Method = SemaRef.getCurMethodDecl()) |
| if (Method->isInstanceMethod()) |
| if (ObjCInterfaceDecl *Interface = Method->getClassInterface()) |
| ObjCImplementation = Interface->getImplementation(); |
| break; |
| |
| default: |
| break; |
| } |
| } |
| |
| /// \brief Whether we should include code patterns in the completion |
| /// results. |
| bool includeCodePatterns() const { |
| return SemaRef.CodeCompleter && |
| SemaRef.CodeCompleter->includeCodePatterns(); |
| } |
| |
| /// \brief Set the filter used for code-completion results. |
| void setFilter(LookupFilter Filter) { |
| this->Filter = Filter; |
| } |
| |
| Result *data() { return Results.empty()? 0 : &Results.front(); } |
| unsigned size() const { return Results.size(); } |
| bool empty() const { return Results.empty(); } |
| |
| /// \brief Specify the preferred type. |
| void setPreferredType(QualType T) { |
| PreferredType = SemaRef.Context.getCanonicalType(T); |
| } |
| |
| /// \brief Set the cv-qualifiers on the object type, for us in filtering |
| /// calls to member functions. |
| /// |
| /// When there are qualifiers in this set, they will be used to filter |
| /// out member functions that aren't available (because there will be a |
| /// cv-qualifier mismatch) or prefer functions with an exact qualifier |
| /// match. |
| void setObjectTypeQualifiers(Qualifiers Quals) { |
| ObjectTypeQualifiers = Quals; |
| HasObjectTypeQualifiers = true; |
| } |
| |
| /// \brief Set the preferred selector. |
| /// |
| /// When an Objective-C method declaration result is added, and that |
| /// method's selector matches this preferred selector, we give that method |
| /// a slight priority boost. |
| void setPreferredSelector(Selector Sel) { |
| PreferredSelector = Sel; |
| } |
| |
| /// \brief Retrieve the code-completion context for which results are |
| /// being collected. |
| const CodeCompletionContext &getCompletionContext() const { |
| return CompletionContext; |
| } |
| |
| /// \brief Specify whether nested-name-specifiers are allowed. |
| void allowNestedNameSpecifiers(bool Allow = true) { |
| AllowNestedNameSpecifiers = Allow; |
| } |
| |
| /// \brief Return the semantic analysis object for which we are collecting |
| /// code completion results. |
| Sema &getSema() const { return SemaRef; } |
| |
| /// \brief Retrieve the allocator used to allocate code completion strings. |
| CodeCompletionAllocator &getAllocator() const { return Allocator; } |
| |
| /// \brief Determine whether the given declaration is at all interesting |
| /// as a code-completion result. |
| /// |
| /// \param ND the declaration that we are inspecting. |
| /// |
| /// \param AsNestedNameSpecifier will be set true if this declaration is |
| /// only interesting when it is a nested-name-specifier. |
| bool isInterestingDecl(NamedDecl *ND, bool &AsNestedNameSpecifier) const; |
| |
| /// \brief Check whether the result is hidden by the Hiding declaration. |
| /// |
| /// \returns true if the result is hidden and cannot be found, false if |
| /// the hidden result could still be found. When false, \p R may be |
| /// modified to describe how the result can be found (e.g., via extra |
| /// qualification). |
| bool CheckHiddenResult(Result &R, DeclContext *CurContext, |
| NamedDecl *Hiding); |
| |
| /// \brief Add a new result to this result set (if it isn't already in one |
| /// of the shadow maps), or replace an existing result (for, e.g., a |
| /// redeclaration). |
| /// |
| /// \param CurContext the result to add (if it is unique). |
| /// |
| /// \param R the context in which this result will be named. |
| void MaybeAddResult(Result R, DeclContext *CurContext = 0); |
| |
| /// \brief Add a new result to this result set, where we already know |
| /// the hiding declation (if any). |
| /// |
| /// \param R the result to add (if it is unique). |
| /// |
| /// \param CurContext the context in which this result will be named. |
| /// |
| /// \param Hiding the declaration that hides the result. |
| /// |
| /// \param InBaseClass whether the result was found in a base |
| /// class of the searched context. |
| void AddResult(Result R, DeclContext *CurContext, NamedDecl *Hiding, |
| bool InBaseClass); |
| |
| /// \brief Add a new non-declaration result to this result set. |
| void AddResult(Result R); |
| |
| /// \brief Enter into a new scope. |
| void EnterNewScope(); |
| |
| /// \brief Exit from the current scope. |
| void ExitScope(); |
| |
| /// \brief Ignore this declaration, if it is seen again. |
| void Ignore(Decl *D) { AllDeclsFound.insert(D->getCanonicalDecl()); } |
| |
| /// \name Name lookup predicates |
| /// |
| /// These predicates can be passed to the name lookup functions to filter the |
| /// results of name lookup. All of the predicates have the same type, so that |
| /// |
| //@{ |
| bool IsOrdinaryName(NamedDecl *ND) const; |
| bool IsOrdinaryNonTypeName(NamedDecl *ND) const; |
| bool IsIntegralConstantValue(NamedDecl *ND) const; |
| bool IsOrdinaryNonValueName(NamedDecl *ND) const; |
| bool IsNestedNameSpecifier(NamedDecl *ND) const; |
| bool IsEnum(NamedDecl *ND) const; |
| bool IsClassOrStruct(NamedDecl *ND) const; |
| bool IsUnion(NamedDecl *ND) const; |
| bool IsNamespace(NamedDecl *ND) const; |
| bool IsNamespaceOrAlias(NamedDecl *ND) const; |
| bool IsType(NamedDecl *ND) const; |
| bool IsMember(NamedDecl *ND) const; |
| bool IsObjCIvar(NamedDecl *ND) const; |
| bool IsObjCMessageReceiver(NamedDecl *ND) const; |
| bool IsObjCCollection(NamedDecl *ND) const; |
| bool IsImpossibleToSatisfy(NamedDecl *ND) const; |
| //@} |
| }; |
| } |
| |
| class ResultBuilder::ShadowMapEntry::iterator { |
| llvm::PointerUnion<NamedDecl*, const DeclIndexPair*> DeclOrIterator; |
| unsigned SingleDeclIndex; |
| |
| public: |
| typedef DeclIndexPair value_type; |
| typedef value_type reference; |
| typedef std::ptrdiff_t difference_type; |
| typedef std::input_iterator_tag iterator_category; |
| |
| class pointer { |
| DeclIndexPair Value; |
| |
| public: |
| pointer(const DeclIndexPair &Value) : Value(Value) { } |
| |
| const DeclIndexPair *operator->() const { |
| return &Value; |
| } |
| }; |
| |
| iterator() : DeclOrIterator((NamedDecl *)0), SingleDeclIndex(0) { } |
| |
| iterator(NamedDecl *SingleDecl, unsigned Index) |
| : DeclOrIterator(SingleDecl), SingleDeclIndex(Index) { } |
| |
| iterator(const DeclIndexPair *Iterator) |
| : DeclOrIterator(Iterator), SingleDeclIndex(0) { } |
| |
| iterator &operator++() { |
| if (DeclOrIterator.is<NamedDecl *>()) { |
| DeclOrIterator = (NamedDecl *)0; |
| SingleDeclIndex = 0; |
| return *this; |
| } |
| |
| const DeclIndexPair *I = DeclOrIterator.get<const DeclIndexPair*>(); |
| ++I; |
| DeclOrIterator = I; |
| return *this; |
| } |
| |
| /*iterator operator++(int) { |
| iterator tmp(*this); |
| ++(*this); |
| return tmp; |
| }*/ |
| |
| reference operator*() const { |
| if (NamedDecl *ND = DeclOrIterator.dyn_cast<NamedDecl *>()) |
| return reference(ND, SingleDeclIndex); |
| |
| return *DeclOrIterator.get<const DeclIndexPair*>(); |
| } |
| |
| pointer operator->() const { |
| return pointer(**this); |
| } |
| |
| friend bool operator==(const iterator &X, const iterator &Y) { |
| return X.DeclOrIterator.getOpaqueValue() |
| == Y.DeclOrIterator.getOpaqueValue() && |
| X.SingleDeclIndex == Y.SingleDeclIndex; |
| } |
| |
| friend bool operator!=(const iterator &X, const iterator &Y) { |
| return !(X == Y); |
| } |
| }; |
| |
| ResultBuilder::ShadowMapEntry::iterator |
| ResultBuilder::ShadowMapEntry::begin() const { |
| if (DeclOrVector.isNull()) |
| return iterator(); |
| |
| if (NamedDecl *ND = DeclOrVector.dyn_cast<NamedDecl *>()) |
| return iterator(ND, SingleDeclIndex); |
| |
| return iterator(DeclOrVector.get<DeclIndexPairVector *>()->begin()); |
| } |
| |
| ResultBuilder::ShadowMapEntry::iterator |
| ResultBuilder::ShadowMapEntry::end() const { |
| if (DeclOrVector.is<NamedDecl *>() || DeclOrVector.isNull()) |
| return iterator(); |
| |
| return iterator(DeclOrVector.get<DeclIndexPairVector *>()->end()); |
| } |
| |
| /// \brief Compute the qualification required to get from the current context |
| /// (\p CurContext) to the target context (\p TargetContext). |
| /// |
| /// \param Context the AST context in which the qualification will be used. |
| /// |
| /// \param CurContext the context where an entity is being named, which is |
| /// typically based on the current scope. |
| /// |
| /// \param TargetContext the context in which the named entity actually |
| /// resides. |
| /// |
| /// \returns a nested name specifier that refers into the target context, or |
| /// NULL if no qualification is needed. |
| static NestedNameSpecifier * |
| getRequiredQualification(ASTContext &Context, |
| DeclContext *CurContext, |
| DeclContext *TargetContext) { |
| SmallVector<DeclContext *, 4> TargetParents; |
| |
| for (DeclContext *CommonAncestor = TargetContext; |
| CommonAncestor && !CommonAncestor->Encloses(CurContext); |
| CommonAncestor = CommonAncestor->getLookupParent()) { |
| if (CommonAncestor->isTransparentContext() || |
| CommonAncestor->isFunctionOrMethod()) |
| continue; |
| |
| TargetParents.push_back(CommonAncestor); |
| } |
| |
| NestedNameSpecifier *Result = 0; |
| while (!TargetParents.empty()) { |
| DeclContext *Parent = TargetParents.back(); |
| TargetParents.pop_back(); |
| |
| if (NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(Parent)) { |
| if (!Namespace->getIdentifier()) |
| continue; |
| |
| Result = NestedNameSpecifier::Create(Context, Result, Namespace); |
| } |
| else if (TagDecl *TD = dyn_cast<TagDecl>(Parent)) |
| Result = NestedNameSpecifier::Create(Context, Result, |
| false, |
| Context.getTypeDeclType(TD).getTypePtr()); |
| } |
| return Result; |
| } |
| |
| bool ResultBuilder::isInterestingDecl(NamedDecl *ND, |
| bool &AsNestedNameSpecifier) const { |
| AsNestedNameSpecifier = false; |
| |
| ND = ND->getUnderlyingDecl(); |
| unsigned IDNS = ND->getIdentifierNamespace(); |
| |
| // Skip unnamed entities. |
| if (!ND->getDeclName()) |
| return false; |
| |
| // Friend declarations and declarations introduced due to friends are never |
| // added as results. |
| if (IDNS & (Decl::IDNS_OrdinaryFriend | Decl::IDNS_TagFriend)) |
| return false; |
| |
| // Class template (partial) specializations are never added as results. |
| if (isa<ClassTemplateSpecializationDecl>(ND) || |
| isa<ClassTemplatePartialSpecializationDecl>(ND)) |
| return false; |
| |
| // Using declarations themselves are never added as results. |
| if (isa<UsingDecl>(ND)) |
| return false; |
| |
| // Some declarations have reserved names that we don't want to ever show. |
| if (const IdentifierInfo *Id = ND->getIdentifier()) { |
| // __va_list_tag is a freak of nature. Find it and skip it. |
| if (Id->isStr("__va_list_tag") || Id->isStr("__builtin_va_list")) |
| return false; |
| |
| // Filter out names reserved for the implementation (C99 7.1.3, |
| // C++ [lib.global.names]) if they come from a system header. |
| // |
| // FIXME: Add predicate for this. |
| if (Id->getLength() >= 2) { |
| const char *Name = Id->getNameStart(); |
| if (Name[0] == '_' && |
| (Name[1] == '_' || (Name[1] >= 'A' && Name[1] <= 'Z')) && |
| (ND->getLocation().isInvalid() || |
| SemaRef.SourceMgr.isInSystemHeader( |
| SemaRef.SourceMgr.getSpellingLoc(ND->getLocation())))) |
| return false; |
| } |
| } |
| |
| // Skip out-of-line declarations and definitions. |
| // NOTE: Unless it's an Objective-C property, method, or ivar, where |
| // the contexts can be messy. |
| if (!ND->getDeclContext()->Equals(ND->getLexicalDeclContext()) && |
| !(isa<ObjCPropertyDecl>(ND) || isa<ObjCIvarDecl>(ND) || |
| isa<ObjCMethodDecl>(ND))) |
| return false; |
| |
| if (Filter == &ResultBuilder::IsNestedNameSpecifier || |
| ((isa<NamespaceDecl>(ND) || isa<NamespaceAliasDecl>(ND)) && |
| Filter != &ResultBuilder::IsNamespace && |
| Filter != &ResultBuilder::IsNamespaceOrAlias && |
| Filter != 0)) |
| AsNestedNameSpecifier = true; |
| |
| // Filter out any unwanted results. |
| if (Filter && !(this->*Filter)(ND)) { |
| // Check whether it is interesting as a nested-name-specifier. |
| if (AllowNestedNameSpecifiers && SemaRef.getLangOptions().CPlusPlus && |
| IsNestedNameSpecifier(ND) && |
| (Filter != &ResultBuilder::IsMember || |
| (isa<CXXRecordDecl>(ND) && |
| cast<CXXRecordDecl>(ND)->isInjectedClassName()))) { |
| AsNestedNameSpecifier = true; |
| return true; |
| } |
| |
| return false; |
| } |
| // ... then it must be interesting! |
| return true; |
| } |
| |
| bool ResultBuilder::CheckHiddenResult(Result &R, DeclContext *CurContext, |
| NamedDecl *Hiding) { |
| // In C, there is no way to refer to a hidden name. |
| // FIXME: This isn't true; we can find a tag name hidden by an ordinary |
| // name if we introduce the tag type. |
| if (!SemaRef.getLangOptions().CPlusPlus) |
| return true; |
| |
| DeclContext *HiddenCtx = R.Declaration->getDeclContext()->getRedeclContext(); |
| |
| // There is no way to qualify a name declared in a function or method. |
| if (HiddenCtx->isFunctionOrMethod()) |
| return true; |
| |
| if (HiddenCtx == Hiding->getDeclContext()->getRedeclContext()) |
| return true; |
| |
| // We can refer to the result with the appropriate qualification. Do it. |
| R.Hidden = true; |
| R.QualifierIsInformative = false; |
| |
| if (!R.Qualifier) |
| R.Qualifier = getRequiredQualification(SemaRef.Context, |
| CurContext, |
| R.Declaration->getDeclContext()); |
| return false; |
| } |
| |
| /// \brief A simplified classification of types used to determine whether two |
| /// types are "similar enough" when adjusting priorities. |
| SimplifiedTypeClass clang::getSimplifiedTypeClass(CanQualType T) { |
| switch (T->getTypeClass()) { |
| case Type::Builtin: |
| switch (cast<BuiltinType>(T)->getKind()) { |
| case BuiltinType::Void: |
| return STC_Void; |
| |
| case BuiltinType::NullPtr: |
| return STC_Pointer; |
| |
| case BuiltinType::Overload: |
| case BuiltinType::Dependent: |
| return STC_Other; |
| |
| case BuiltinType::ObjCId: |
| case BuiltinType::ObjCClass: |
| case BuiltinType::ObjCSel: |
| return STC_ObjectiveC; |
| |
| default: |
| return STC_Arithmetic; |
| } |
| return STC_Other; |
| |
| case Type::Complex: |
| return STC_Arithmetic; |
| |
| case Type::Pointer: |
| return STC_Pointer; |
| |
| case Type::BlockPointer: |
| return STC_Block; |
| |
| case Type::LValueReference: |
| case Type::RValueReference: |
| return getSimplifiedTypeClass(T->getAs<ReferenceType>()->getPointeeType()); |
| |
| case Type::ConstantArray: |
| case Type::IncompleteArray: |
| case Type::VariableArray: |
| case Type::DependentSizedArray: |
| return STC_Array; |
| |
| case Type::DependentSizedExtVector: |
| case Type::Vector: |
| case Type::ExtVector: |
| return STC_Arithmetic; |
| |
| case Type::FunctionProto: |
| case Type::FunctionNoProto: |
| return STC_Function; |
| |
| case Type::Record: |
| return STC_Record; |
| |
| case Type::Enum: |
| return STC_Arithmetic; |
| |
| case Type::ObjCObject: |
| case Type::ObjCInterface: |
| case Type::ObjCObjectPointer: |
| return STC_ObjectiveC; |
| |
| default: |
| return STC_Other; |
| } |
| } |
| |
| /// \brief Get the type that a given expression will have if this declaration |
| /// is used as an expression in its "typical" code-completion form. |
| QualType clang::getDeclUsageType(ASTContext &C, NamedDecl *ND) { |
| ND = cast<NamedDecl>(ND->getUnderlyingDecl()); |
| |
| if (TypeDecl *Type = dyn_cast<TypeDecl>(ND)) |
| return C.getTypeDeclType(Type); |
| if (ObjCInterfaceDecl *Iface = dyn_cast<ObjCInterfaceDecl>(ND)) |
| return C.getObjCInterfaceType(Iface); |
| |
| QualType T; |
| if (FunctionDecl *Function = dyn_cast<FunctionDecl>(ND)) |
| T = Function->getCallResultType(); |
| else if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(ND)) |
| T = Method->getSendResultType(); |
| else if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(ND)) |
| T = FunTmpl->getTemplatedDecl()->getCallResultType(); |
| else if (EnumConstantDecl *Enumerator = dyn_cast<EnumConstantDecl>(ND)) |
| T = C.getTypeDeclType(cast<EnumDecl>(Enumerator->getDeclContext())); |
| else if (ObjCPropertyDecl *Property = dyn_cast<ObjCPropertyDecl>(ND)) |
| T = Property->getType(); |
| else if (ValueDecl *Value = dyn_cast<ValueDecl>(ND)) |
| T = Value->getType(); |
| else |
| return QualType(); |
| |
| // Dig through references, function pointers, and block pointers to |
| // get down to the likely type of an expression when the entity is |
| // used. |
| do { |
| if (const ReferenceType *Ref = T->getAs<ReferenceType>()) { |
| T = Ref->getPointeeType(); |
| continue; |
| } |
| |
| if (const PointerType *Pointer = T->getAs<PointerType>()) { |
| if (Pointer->getPointeeType()->isFunctionType()) { |
| T = Pointer->getPointeeType(); |
| continue; |
| } |
| |
| break; |
| } |
| |
| if (const BlockPointerType *Block = T->getAs<BlockPointerType>()) { |
| T = Block->getPointeeType(); |
| continue; |
| } |
| |
| if (const FunctionType *Function = T->getAs<FunctionType>()) { |
| T = Function->getResultType(); |
| continue; |
| } |
| |
| break; |
| } while (true); |
| |
| return T; |
| } |
| |
| void ResultBuilder::AdjustResultPriorityForDecl(Result &R) { |
| // If this is an Objective-C method declaration whose selector matches our |
| // preferred selector, give it a priority boost. |
| if (!PreferredSelector.isNull()) |
| if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(R.Declaration)) |
| if (PreferredSelector == Method->getSelector()) |
| R.Priority += CCD_SelectorMatch; |
| |
| // If we have a preferred type, adjust the priority for results with exactly- |
| // matching or nearly-matching types. |
| if (!PreferredType.isNull()) { |
| QualType T = getDeclUsageType(SemaRef.Context, R.Declaration); |
| if (!T.isNull()) { |
| CanQualType TC = SemaRef.Context.getCanonicalType(T); |
| // Check for exactly-matching types (modulo qualifiers). |
| if (SemaRef.Context.hasSameUnqualifiedType(PreferredType, TC)) |
| R.Priority /= CCF_ExactTypeMatch; |
| // Check for nearly-matching types, based on classification of each. |
| else if ((getSimplifiedTypeClass(PreferredType) |
| == getSimplifiedTypeClass(TC)) && |
| !(PreferredType->isEnumeralType() && TC->isEnumeralType())) |
| R.Priority /= CCF_SimilarTypeMatch; |
| } |
| } |
| } |
| |
| void ResultBuilder::MaybeAddConstructorResults(Result R) { |
| if (!SemaRef.getLangOptions().CPlusPlus || !R.Declaration || |
| !CompletionContext.wantConstructorResults()) |
| return; |
| |
| ASTContext &Context = SemaRef.Context; |
| NamedDecl *D = R.Declaration; |
| CXXRecordDecl *Record = 0; |
| if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(D)) |
| Record = ClassTemplate->getTemplatedDecl(); |
| else if ((Record = dyn_cast<CXXRecordDecl>(D))) { |
| // Skip specializations and partial specializations. |
| if (isa<ClassTemplateSpecializationDecl>(Record)) |
| return; |
| } else { |
| // There are no constructors here. |
| return; |
| } |
| |
| Record = Record->getDefinition(); |
| if (!Record) |
| return; |
| |
| |
| QualType RecordTy = Context.getTypeDeclType(Record); |
| DeclarationName ConstructorName |
| = Context.DeclarationNames.getCXXConstructorName( |
| Context.getCanonicalType(RecordTy)); |
| for (DeclContext::lookup_result Ctors = Record->lookup(ConstructorName); |
| Ctors.first != Ctors.second; ++Ctors.first) { |
| R.Declaration = *Ctors.first; |
| R.CursorKind = getCursorKindForDecl(R.Declaration); |
| Results.push_back(R); |
| } |
| } |
| |
| void ResultBuilder::MaybeAddResult(Result R, DeclContext *CurContext) { |
| assert(!ShadowMaps.empty() && "Must enter into a results scope"); |
| |
| if (R.Kind != Result::RK_Declaration) { |
| // For non-declaration results, just add the result. |
| Results.push_back(R); |
| return; |
| } |
| |
| // Look through using declarations. |
| if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(R.Declaration)) { |
| MaybeAddResult(Result(Using->getTargetDecl(), R.Qualifier), CurContext); |
| return; |
| } |
| |
| Decl *CanonDecl = R.Declaration->getCanonicalDecl(); |
| unsigned IDNS = CanonDecl->getIdentifierNamespace(); |
| |
| bool AsNestedNameSpecifier = false; |
| if (!isInterestingDecl(R.Declaration, AsNestedNameSpecifier)) |
| return; |
| |
| // C++ constructors are never found by name lookup. |
| if (isa<CXXConstructorDecl>(R.Declaration)) |
| return; |
| |
| ShadowMap &SMap = ShadowMaps.back(); |
| ShadowMapEntry::iterator I, IEnd; |
| ShadowMap::iterator NamePos = SMap.find(R.Declaration->getDeclName()); |
| if (NamePos != SMap.end()) { |
| I = NamePos->second.begin(); |
| IEnd = NamePos->second.end(); |
| } |
| |
| for (; I != IEnd; ++I) { |
| NamedDecl *ND = I->first; |
| unsigned Index = I->second; |
| if (ND->getCanonicalDecl() == CanonDecl) { |
| // This is a redeclaration. Always pick the newer declaration. |
| Results[Index].Declaration = R.Declaration; |
| |
| // We're done. |
| return; |
| } |
| } |
| |
| // This is a new declaration in this scope. However, check whether this |
| // declaration name is hidden by a similarly-named declaration in an outer |
| // scope. |
| std::list<ShadowMap>::iterator SM, SMEnd = ShadowMaps.end(); |
| --SMEnd; |
| for (SM = ShadowMaps.begin(); SM != SMEnd; ++SM) { |
| ShadowMapEntry::iterator I, IEnd; |
| ShadowMap::iterator NamePos = SM->find(R.Declaration->getDeclName()); |
| if (NamePos != SM->end()) { |
| I = NamePos->second.begin(); |
| IEnd = NamePos->second.end(); |
| } |
| for (; I != IEnd; ++I) { |
| // A tag declaration does not hide a non-tag declaration. |
| if (I->first->hasTagIdentifierNamespace() && |
| (IDNS & (Decl::IDNS_Member | Decl::IDNS_Ordinary | |
| Decl::IDNS_ObjCProtocol))) |
| continue; |
| |
| // Protocols are in distinct namespaces from everything else. |
| if (((I->first->getIdentifierNamespace() & Decl::IDNS_ObjCProtocol) |
| || (IDNS & Decl::IDNS_ObjCProtocol)) && |
| I->first->getIdentifierNamespace() != IDNS) |
| continue; |
| |
| // The newly-added result is hidden by an entry in the shadow map. |
| if (CheckHiddenResult(R, CurContext, I->first)) |
| return; |
| |
| break; |
| } |
| } |
| |
| // Make sure that any given declaration only shows up in the result set once. |
| if (!AllDeclsFound.insert(CanonDecl)) |
| return; |
| |
| // If the filter is for nested-name-specifiers, then this result starts a |
| // nested-name-specifier. |
| if (AsNestedNameSpecifier) { |
| R.StartsNestedNameSpecifier = true; |
| R.Priority = CCP_NestedNameSpecifier; |
| } else |
| AdjustResultPriorityForDecl(R); |
| |
| // If this result is supposed to have an informative qualifier, add one. |
| if (R.QualifierIsInformative && !R.Qualifier && |
| !R.StartsNestedNameSpecifier) { |
| DeclContext *Ctx = R.Declaration->getDeclContext(); |
| if (NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(Ctx)) |
| R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, Namespace); |
| else if (TagDecl *Tag = dyn_cast<TagDecl>(Ctx)) |
| R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, false, |
| SemaRef.Context.getTypeDeclType(Tag).getTypePtr()); |
| else |
| R.QualifierIsInformative = false; |
| } |
| |
| // Insert this result into the set of results and into the current shadow |
| // map. |
| SMap[R.Declaration->getDeclName()].Add(R.Declaration, Results.size()); |
| Results.push_back(R); |
| |
| if (!AsNestedNameSpecifier) |
| MaybeAddConstructorResults(R); |
| } |
| |
| void ResultBuilder::AddResult(Result R, DeclContext *CurContext, |
| NamedDecl *Hiding, bool InBaseClass = false) { |
| if (R.Kind != Result::RK_Declaration) { |
| // For non-declaration results, just add the result. |
| Results.push_back(R); |
| return; |
| } |
| |
| // Look through using declarations. |
| if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(R.Declaration)) { |
| AddResult(Result(Using->getTargetDecl(), R.Qualifier), CurContext, Hiding); |
| return; |
| } |
| |
| bool AsNestedNameSpecifier = false; |
| if (!isInterestingDecl(R.Declaration, AsNestedNameSpecifier)) |
| return; |
| |
| // C++ constructors are never found by name lookup. |
| if (isa<CXXConstructorDecl>(R.Declaration)) |
| return; |
| |
| if (Hiding && CheckHiddenResult(R, CurContext, Hiding)) |
| return; |
| |
| // Make sure that any given declaration only shows up in the result set once. |
| if (!AllDeclsFound.insert(R.Declaration->getCanonicalDecl())) |
| return; |
| |
| // If the filter is for nested-name-specifiers, then this result starts a |
| // nested-name-specifier. |
| if (AsNestedNameSpecifier) { |
| R.StartsNestedNameSpecifier = true; |
| R.Priority = CCP_NestedNameSpecifier; |
| } |
| else if (Filter == &ResultBuilder::IsMember && !R.Qualifier && InBaseClass && |
| isa<CXXRecordDecl>(R.Declaration->getDeclContext() |
| ->getRedeclContext())) |
| R.QualifierIsInformative = true; |
| |
| // If this result is supposed to have an informative qualifier, add one. |
| if (R.QualifierIsInformative && !R.Qualifier && |
| !R.StartsNestedNameSpecifier) { |
| DeclContext *Ctx = R.Declaration->getDeclContext(); |
| if (NamespaceDecl *Namespace = dyn_cast<NamespaceDecl>(Ctx)) |
| R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, Namespace); |
| else if (TagDecl *Tag = dyn_cast<TagDecl>(Ctx)) |
| R.Qualifier = NestedNameSpecifier::Create(SemaRef.Context, 0, false, |
| SemaRef.Context.getTypeDeclType(Tag).getTypePtr()); |
| else |
| R.QualifierIsInformative = false; |
| } |
| |
| // Adjust the priority if this result comes from a base class. |
| if (InBaseClass) |
| R.Priority += CCD_InBaseClass; |
| |
| AdjustResultPriorityForDecl(R); |
| |
| if (HasObjectTypeQualifiers) |
| if (CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(R.Declaration)) |
| if (Method->isInstance()) { |
| Qualifiers MethodQuals |
| = Qualifiers::fromCVRMask(Method->getTypeQualifiers()); |
| if (ObjectTypeQualifiers == MethodQuals) |
| R.Priority += CCD_ObjectQualifierMatch; |
| else if (ObjectTypeQualifiers - MethodQuals) { |
| // The method cannot be invoked, because doing so would drop |
| // qualifiers. |
| return; |
| } |
| } |
| |
| // Insert this result into the set of results. |
| Results.push_back(R); |
| |
| if (!AsNestedNameSpecifier) |
| MaybeAddConstructorResults(R); |
| } |
| |
| void ResultBuilder::AddResult(Result R) { |
| assert(R.Kind != Result::RK_Declaration && |
| "Declaration results need more context"); |
| Results.push_back(R); |
| } |
| |
| /// \brief Enter into a new scope. |
| void ResultBuilder::EnterNewScope() { |
| ShadowMaps.push_back(ShadowMap()); |
| } |
| |
| /// \brief Exit from the current scope. |
| void ResultBuilder::ExitScope() { |
| for (ShadowMap::iterator E = ShadowMaps.back().begin(), |
| EEnd = ShadowMaps.back().end(); |
| E != EEnd; |
| ++E) |
| E->second.Destroy(); |
| |
| ShadowMaps.pop_back(); |
| } |
| |
| /// \brief Determines whether this given declaration will be found by |
| /// ordinary name lookup. |
| bool ResultBuilder::IsOrdinaryName(NamedDecl *ND) const { |
| ND = cast<NamedDecl>(ND->getUnderlyingDecl()); |
| |
| unsigned IDNS = Decl::IDNS_Ordinary; |
| if (SemaRef.getLangOptions().CPlusPlus) |
| IDNS |= Decl::IDNS_Tag | Decl::IDNS_Namespace | Decl::IDNS_Member; |
| else if (SemaRef.getLangOptions().ObjC1) { |
| if (isa<ObjCIvarDecl>(ND)) |
| return true; |
| } |
| |
| return ND->getIdentifierNamespace() & IDNS; |
| } |
| |
| /// \brief Determines whether this given declaration will be found by |
| /// ordinary name lookup but is not a type name. |
| bool ResultBuilder::IsOrdinaryNonTypeName(NamedDecl *ND) const { |
| ND = cast<NamedDecl>(ND->getUnderlyingDecl()); |
| if (isa<TypeDecl>(ND) || isa<ObjCInterfaceDecl>(ND)) |
| return false; |
| |
| unsigned IDNS = Decl::IDNS_Ordinary; |
| if (SemaRef.getLangOptions().CPlusPlus) |
| IDNS |= Decl::IDNS_Tag | Decl::IDNS_Namespace | Decl::IDNS_Member; |
| else if (SemaRef.getLangOptions().ObjC1) { |
| if (isa<ObjCIvarDecl>(ND)) |
| return true; |
| } |
| |
| return ND->getIdentifierNamespace() & IDNS; |
| } |
| |
| bool ResultBuilder::IsIntegralConstantValue(NamedDecl *ND) const { |
| if (!IsOrdinaryNonTypeName(ND)) |
| return 0; |
| |
| if (ValueDecl *VD = dyn_cast<ValueDecl>(ND->getUnderlyingDecl())) |
| if (VD->getType()->isIntegralOrEnumerationType()) |
| return true; |
| |
| return false; |
| } |
| |
| /// \brief Determines whether this given declaration will be found by |
| /// ordinary name lookup. |
| bool ResultBuilder::IsOrdinaryNonValueName(NamedDecl *ND) const { |
| ND = cast<NamedDecl>(ND->getUnderlyingDecl()); |
| |
| unsigned IDNS = Decl::IDNS_Ordinary; |
| if (SemaRef.getLangOptions().CPlusPlus) |
| IDNS |= Decl::IDNS_Tag | Decl::IDNS_Namespace; |
| |
| return (ND->getIdentifierNamespace() & IDNS) && |
| !isa<ValueDecl>(ND) && !isa<FunctionTemplateDecl>(ND) && |
| !isa<ObjCPropertyDecl>(ND); |
| } |
| |
| /// \brief Determines whether the given declaration is suitable as the |
| /// start of a C++ nested-name-specifier, e.g., a class or namespace. |
| bool ResultBuilder::IsNestedNameSpecifier(NamedDecl *ND) const { |
| // Allow us to find class templates, too. |
| if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(ND)) |
| ND = ClassTemplate->getTemplatedDecl(); |
| |
| return SemaRef.isAcceptableNestedNameSpecifier(ND); |
| } |
| |
| /// \brief Determines whether the given declaration is an enumeration. |
| bool ResultBuilder::IsEnum(NamedDecl *ND) const { |
| return isa<EnumDecl>(ND); |
| } |
| |
| /// \brief Determines whether the given declaration is a class or struct. |
| bool ResultBuilder::IsClassOrStruct(NamedDecl *ND) const { |
| // Allow us to find class templates, too. |
| if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(ND)) |
| ND = ClassTemplate->getTemplatedDecl(); |
| |
| if (RecordDecl *RD = dyn_cast<RecordDecl>(ND)) |
| return RD->getTagKind() == TTK_Class || |
| RD->getTagKind() == TTK_Struct; |
| |
| return false; |
| } |
| |
| /// \brief Determines whether the given declaration is a union. |
| bool ResultBuilder::IsUnion(NamedDecl *ND) const { |
| // Allow us to find class templates, too. |
| if (ClassTemplateDecl *ClassTemplate = dyn_cast<ClassTemplateDecl>(ND)) |
| ND = ClassTemplate->getTemplatedDecl(); |
| |
| if (RecordDecl *RD = dyn_cast<RecordDecl>(ND)) |
| return RD->getTagKind() == TTK_Union; |
| |
| return false; |
| } |
| |
| /// \brief Determines whether the given declaration is a namespace. |
| bool ResultBuilder::IsNamespace(NamedDecl *ND) const { |
| return isa<NamespaceDecl>(ND); |
| } |
| |
| /// \brief Determines whether the given declaration is a namespace or |
| /// namespace alias. |
| bool ResultBuilder::IsNamespaceOrAlias(NamedDecl *ND) const { |
| return isa<NamespaceDecl>(ND) || isa<NamespaceAliasDecl>(ND); |
| } |
| |
| /// \brief Determines whether the given declaration is a type. |
| bool ResultBuilder::IsType(NamedDecl *ND) const { |
| if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(ND)) |
| ND = Using->getTargetDecl(); |
| |
| return isa<TypeDecl>(ND) || isa<ObjCInterfaceDecl>(ND); |
| } |
| |
| /// \brief Determines which members of a class should be visible via |
| /// "." or "->". Only value declarations, nested name specifiers, and |
| /// using declarations thereof should show up. |
| bool ResultBuilder::IsMember(NamedDecl *ND) const { |
| if (UsingShadowDecl *Using = dyn_cast<UsingShadowDecl>(ND)) |
| ND = Using->getTargetDecl(); |
| |
| return isa<ValueDecl>(ND) || isa<FunctionTemplateDecl>(ND) || |
| isa<ObjCPropertyDecl>(ND); |
| } |
| |
| static bool isObjCReceiverType(ASTContext &C, QualType T) { |
| T = C.getCanonicalType(T); |
| switch (T->getTypeClass()) { |
| case Type::ObjCObject: |
| case Type::ObjCInterface: |
| case Type::ObjCObjectPointer: |
| return true; |
| |
| case Type::Builtin: |
| switch (cast<BuiltinType>(T)->getKind()) { |
| case BuiltinType::ObjCId: |
| case BuiltinType::ObjCClass: |
| case BuiltinType::ObjCSel: |
| return true; |
| |
| default: |
| break; |
| } |
| return false; |
| |
| default: |
| break; |
| } |
| |
| if (!C.getLangOptions().CPlusPlus) |
| return false; |
| |
| // FIXME: We could perform more analysis here to determine whether a |
| // particular class type has any conversions to Objective-C types. For now, |
| // just accept all class types. |
| return T->isDependentType() || T->isRecordType(); |
| } |
| |
| bool ResultBuilder::IsObjCMessageReceiver(NamedDecl *ND) const { |
| QualType T = getDeclUsageType(SemaRef.Context, ND); |
| if (T.isNull()) |
| return false; |
| |
| T = SemaRef.Context.getBaseElementType(T); |
| return isObjCReceiverType(SemaRef.Context, T); |
| } |
| |
| bool ResultBuilder::IsObjCCollection(NamedDecl *ND) const { |
| if ((SemaRef.getLangOptions().CPlusPlus && !IsOrdinaryName(ND)) || |
| (!SemaRef.getLangOptions().CPlusPlus && !IsOrdinaryNonTypeName(ND))) |
| return false; |
| |
| QualType T = getDeclUsageType(SemaRef.Context, ND); |
| if (T.isNull()) |
| return false; |
| |
| T = SemaRef.Context.getBaseElementType(T); |
| return T->isObjCObjectType() || T->isObjCObjectPointerType() || |
| T->isObjCIdType() || |
| (SemaRef.getLangOptions().CPlusPlus && T->isRecordType()); |
| } |
| |
| bool ResultBuilder::IsImpossibleToSatisfy(NamedDecl *ND) const { |
| return false; |
| } |
| |
| /// \rief Determines whether the given declaration is an Objective-C |
| /// instance variable. |
| bool ResultBuilder::IsObjCIvar(NamedDecl *ND) const { |
| return isa<ObjCIvarDecl>(ND); |
| } |
| |
| namespace { |
| /// \brief Visible declaration consumer that adds a code-completion result |
| /// for each visible declaration. |
| class CodeCompletionDeclConsumer : public VisibleDeclConsumer { |
| ResultBuilder &Results; |
| DeclContext *CurContext; |
| |
| public: |
| CodeCompletionDeclConsumer(ResultBuilder &Results, DeclContext *CurContext) |
| : Results(Results), CurContext(CurContext) { } |
| |
| virtual void FoundDecl(NamedDecl *ND, NamedDecl *Hiding, DeclContext *Ctx, |
| bool InBaseClass) { |
| bool Accessible = true; |
| if (Ctx) |
| Accessible = Results.getSema().IsSimplyAccessible(ND, Ctx); |
| |
| ResultBuilder::Result Result(ND, 0, false, Accessible); |
| Results.AddResult(Result, CurContext, Hiding, InBaseClass); |
| } |
| }; |
| } |
| |
| /// \brief Add type specifiers for the current language as keyword results. |
| static void AddTypeSpecifierResults(const LangOptions &LangOpts, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| Results.AddResult(Result("short", CCP_Type)); |
| Results.AddResult(Result("long", CCP_Type)); |
| Results.AddResult(Result("signed", CCP_Type)); |
| Results.AddResult(Result("unsigned", CCP_Type)); |
| Results.AddResult(Result("void", CCP_Type)); |
| Results.AddResult(Result("char", CCP_Type)); |
| Results.AddResult(Result("int", CCP_Type)); |
| Results.AddResult(Result("float", CCP_Type)); |
| Results.AddResult(Result("double", CCP_Type)); |
| Results.AddResult(Result("enum", CCP_Type)); |
| Results.AddResult(Result("struct", CCP_Type)); |
| Results.AddResult(Result("union", CCP_Type)); |
| Results.AddResult(Result("const", CCP_Type)); |
| Results.AddResult(Result("volatile", CCP_Type)); |
| |
| if (LangOpts.C99) { |
| // C99-specific |
| Results.AddResult(Result("_Complex", CCP_Type)); |
| Results.AddResult(Result("_Imaginary", CCP_Type)); |
| Results.AddResult(Result("_Bool", CCP_Type)); |
| Results.AddResult(Result("restrict", CCP_Type)); |
| } |
| |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| if (LangOpts.CPlusPlus) { |
| // C++-specific |
| Results.AddResult(Result("bool", CCP_Type + |
| (LangOpts.ObjC1? CCD_bool_in_ObjC : 0))); |
| Results.AddResult(Result("class", CCP_Type)); |
| Results.AddResult(Result("wchar_t", CCP_Type)); |
| |
| // typename qualified-id |
| Builder.AddTypedTextChunk("typename"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("qualifier"); |
| Builder.AddTextChunk("::"); |
| Builder.AddPlaceholderChunk("name"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| if (LangOpts.CPlusPlus0x) { |
| Results.AddResult(Result("auto", CCP_Type)); |
| Results.AddResult(Result("char16_t", CCP_Type)); |
| Results.AddResult(Result("char32_t", CCP_Type)); |
| |
| Builder.AddTypedTextChunk("decltype"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| |
| // GNU extensions |
| if (LangOpts.GNUMode) { |
| // FIXME: Enable when we actually support decimal floating point. |
| // Results.AddResult(Result("_Decimal32")); |
| // Results.AddResult(Result("_Decimal64")); |
| // Results.AddResult(Result("_Decimal128")); |
| |
| Builder.AddTypedTextChunk("typeof"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| Builder.AddTypedTextChunk("typeof"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| |
| static void AddStorageSpecifiers(Sema::ParserCompletionContext CCC, |
| const LangOptions &LangOpts, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| // Note: we don't suggest either "auto" or "register", because both |
| // are pointless as storage specifiers. Elsewhere, we suggest "auto" |
| // in C++0x as a type specifier. |
| Results.AddResult(Result("extern")); |
| Results.AddResult(Result("static")); |
| } |
| |
| static void AddFunctionSpecifiers(Sema::ParserCompletionContext CCC, |
| const LangOptions &LangOpts, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| switch (CCC) { |
| case Sema::PCC_Class: |
| case Sema::PCC_MemberTemplate: |
| if (LangOpts.CPlusPlus) { |
| Results.AddResult(Result("explicit")); |
| Results.AddResult(Result("friend")); |
| Results.AddResult(Result("mutable")); |
| Results.AddResult(Result("virtual")); |
| } |
| // Fall through |
| |
| case Sema::PCC_ObjCInterface: |
| case Sema::PCC_ObjCImplementation: |
| case Sema::PCC_Namespace: |
| case Sema::PCC_Template: |
| if (LangOpts.CPlusPlus || LangOpts.C99) |
| Results.AddResult(Result("inline")); |
| break; |
| |
| case Sema::PCC_ObjCInstanceVariableList: |
| case Sema::PCC_Expression: |
| case Sema::PCC_Statement: |
| case Sema::PCC_ForInit: |
| case Sema::PCC_Condition: |
| case Sema::PCC_RecoveryInFunction: |
| case Sema::PCC_Type: |
| case Sema::PCC_ParenthesizedExpression: |
| case Sema::PCC_LocalDeclarationSpecifiers: |
| break; |
| } |
| } |
| |
| static void AddObjCExpressionResults(ResultBuilder &Results, bool NeedAt); |
| static void AddObjCStatementResults(ResultBuilder &Results, bool NeedAt); |
| static void AddObjCVisibilityResults(const LangOptions &LangOpts, |
| ResultBuilder &Results, |
| bool NeedAt); |
| static void AddObjCImplementationResults(const LangOptions &LangOpts, |
| ResultBuilder &Results, |
| bool NeedAt); |
| static void AddObjCInterfaceResults(const LangOptions &LangOpts, |
| ResultBuilder &Results, |
| bool NeedAt); |
| static void AddObjCTopLevelResults(ResultBuilder &Results, bool NeedAt); |
| |
| static void AddTypedefResult(ResultBuilder &Results) { |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| Builder.AddTypedTextChunk("typedef"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("name"); |
| Results.AddResult(CodeCompletionResult(Builder.TakeString())); |
| } |
| |
| static bool WantTypesInContext(Sema::ParserCompletionContext CCC, |
| const LangOptions &LangOpts) { |
| switch (CCC) { |
| case Sema::PCC_Namespace: |
| case Sema::PCC_Class: |
| case Sema::PCC_ObjCInstanceVariableList: |
| case Sema::PCC_Template: |
| case Sema::PCC_MemberTemplate: |
| case Sema::PCC_Statement: |
| case Sema::PCC_RecoveryInFunction: |
| case Sema::PCC_Type: |
| case Sema::PCC_ParenthesizedExpression: |
| case Sema::PCC_LocalDeclarationSpecifiers: |
| return true; |
| |
| case Sema::PCC_Expression: |
| case Sema::PCC_Condition: |
| return LangOpts.CPlusPlus; |
| |
| case Sema::PCC_ObjCInterface: |
| case Sema::PCC_ObjCImplementation: |
| return false; |
| |
| case Sema::PCC_ForInit: |
| return LangOpts.CPlusPlus || LangOpts.ObjC1 || LangOpts.C99; |
| } |
| |
| return false; |
| } |
| |
| /// \brief Retrieve a printing policy suitable for code completion. |
| static PrintingPolicy getCompletionPrintingPolicy(Sema &S) { |
| PrintingPolicy Policy = S.getPrintingPolicy(); |
| Policy.AnonymousTagLocations = false; |
| Policy.SuppressStrongLifetime = true; |
| Policy.SuppressUnwrittenScope = true; |
| return Policy; |
| } |
| |
| /// \brief Retrieve the string representation of the given type as a string |
| /// that has the appropriate lifetime for code completion. |
| /// |
| /// This routine provides a fast path where we provide constant strings for |
| /// common type names. |
| static const char *GetCompletionTypeString(QualType T, |
| ASTContext &Context, |
| const PrintingPolicy &Policy, |
| CodeCompletionAllocator &Allocator) { |
| if (!T.getLocalQualifiers()) { |
| // Built-in type names are constant strings. |
| if (const BuiltinType *BT = dyn_cast<BuiltinType>(T)) |
| return BT->getName(Policy); |
| |
| // Anonymous tag types are constant strings. |
| if (const TagType *TagT = dyn_cast<TagType>(T)) |
| if (TagDecl *Tag = TagT->getDecl()) |
| if (!Tag->getIdentifier() && !Tag->getTypedefNameForAnonDecl()) { |
| switch (Tag->getTagKind()) { |
| case TTK_Struct: return "struct <anonymous>"; |
| case TTK_Class: return "class <anonymous>"; |
| case TTK_Union: return "union <anonymous>"; |
| case TTK_Enum: return "enum <anonymous>"; |
| } |
| } |
| } |
| |
| // Slow path: format the type as a string. |
| std::string Result; |
| T.getAsStringInternal(Result, Policy); |
| return Allocator.CopyString(Result); |
| } |
| |
| /// \brief Add language constructs that show up for "ordinary" names. |
| static void AddOrdinaryNameResults(Sema::ParserCompletionContext CCC, |
| Scope *S, |
| Sema &SemaRef, |
| ResultBuilder &Results) { |
| CodeCompletionAllocator &Allocator = Results.getAllocator(); |
| CodeCompletionBuilder Builder(Allocator); |
| PrintingPolicy Policy = getCompletionPrintingPolicy(SemaRef); |
| |
| typedef CodeCompletionResult Result; |
| switch (CCC) { |
| case Sema::PCC_Namespace: |
| if (SemaRef.getLangOptions().CPlusPlus) { |
| if (Results.includeCodePatterns()) { |
| // namespace <identifier> { declarations } |
| Builder.AddTypedTextChunk("namespace"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("identifier"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("declarations"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // namespace identifier = identifier ; |
| Builder.AddTypedTextChunk("namespace"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("name"); |
| Builder.AddChunk(CodeCompletionString::CK_Equal); |
| Builder.AddPlaceholderChunk("namespace"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // Using directives |
| Builder.AddTypedTextChunk("using"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("namespace"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("identifier"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // asm(string-literal) |
| Builder.AddTypedTextChunk("asm"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("string-literal"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| if (Results.includeCodePatterns()) { |
| // Explicit template instantiation |
| Builder.AddTypedTextChunk("template"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("declaration"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| |
| if (SemaRef.getLangOptions().ObjC1) |
| AddObjCTopLevelResults(Results, true); |
| |
| AddTypedefResult(Results); |
| // Fall through |
| |
| case Sema::PCC_Class: |
| if (SemaRef.getLangOptions().CPlusPlus) { |
| // Using declaration |
| Builder.AddTypedTextChunk("using"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("qualifier"); |
| Builder.AddTextChunk("::"); |
| Builder.AddPlaceholderChunk("name"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // using typename qualifier::name (only in a dependent context) |
| if (SemaRef.CurContext->isDependentContext()) { |
| Builder.AddTypedTextChunk("using"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("typename"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("qualifier"); |
| Builder.AddTextChunk("::"); |
| Builder.AddPlaceholderChunk("name"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| if (CCC == Sema::PCC_Class) { |
| AddTypedefResult(Results); |
| |
| // public: |
| Builder.AddTypedTextChunk("public"); |
| Builder.AddChunk(CodeCompletionString::CK_Colon); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // protected: |
| Builder.AddTypedTextChunk("protected"); |
| Builder.AddChunk(CodeCompletionString::CK_Colon); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // private: |
| Builder.AddTypedTextChunk("private"); |
| Builder.AddChunk(CodeCompletionString::CK_Colon); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| // Fall through |
| |
| case Sema::PCC_Template: |
| case Sema::PCC_MemberTemplate: |
| if (SemaRef.getLangOptions().CPlusPlus && Results.includeCodePatterns()) { |
| // template < parameters > |
| Builder.AddTypedTextChunk("template"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftAngle); |
| Builder.AddPlaceholderChunk("parameters"); |
| Builder.AddChunk(CodeCompletionString::CK_RightAngle); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results); |
| AddFunctionSpecifiers(CCC, SemaRef.getLangOptions(), Results); |
| break; |
| |
| case Sema::PCC_ObjCInterface: |
| AddObjCInterfaceResults(SemaRef.getLangOptions(), Results, true); |
| AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results); |
| AddFunctionSpecifiers(CCC, SemaRef.getLangOptions(), Results); |
| break; |
| |
| case Sema::PCC_ObjCImplementation: |
| AddObjCImplementationResults(SemaRef.getLangOptions(), Results, true); |
| AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results); |
| AddFunctionSpecifiers(CCC, SemaRef.getLangOptions(), Results); |
| break; |
| |
| case Sema::PCC_ObjCInstanceVariableList: |
| AddObjCVisibilityResults(SemaRef.getLangOptions(), Results, true); |
| break; |
| |
| case Sema::PCC_RecoveryInFunction: |
| case Sema::PCC_Statement: { |
| AddTypedefResult(Results); |
| |
| if (SemaRef.getLangOptions().CPlusPlus && Results.includeCodePatterns() && |
| SemaRef.getLangOptions().CXXExceptions) { |
| Builder.AddTypedTextChunk("try"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Builder.AddTextChunk("catch"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("declaration"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| if (SemaRef.getLangOptions().ObjC1) |
| AddObjCStatementResults(Results, true); |
| |
| if (Results.includeCodePatterns()) { |
| // if (condition) { statements } |
| Builder.AddTypedTextChunk("if"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| if (SemaRef.getLangOptions().CPlusPlus) |
| Builder.AddPlaceholderChunk("condition"); |
| else |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // switch (condition) { } |
| Builder.AddTypedTextChunk("switch"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| if (SemaRef.getLangOptions().CPlusPlus) |
| Builder.AddPlaceholderChunk("condition"); |
| else |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // Switch-specific statements. |
| if (!SemaRef.getCurFunction()->SwitchStack.empty()) { |
| // case expression: |
| Builder.AddTypedTextChunk("case"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_Colon); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // default: |
| Builder.AddTypedTextChunk("default"); |
| Builder.AddChunk(CodeCompletionString::CK_Colon); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| if (Results.includeCodePatterns()) { |
| /// while (condition) { statements } |
| Builder.AddTypedTextChunk("while"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| if (SemaRef.getLangOptions().CPlusPlus) |
| Builder.AddPlaceholderChunk("condition"); |
| else |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // do { statements } while ( expression ); |
| Builder.AddTypedTextChunk("do"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Builder.AddTextChunk("while"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // for ( for-init-statement ; condition ; expression ) { statements } |
| Builder.AddTypedTextChunk("for"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| if (SemaRef.getLangOptions().CPlusPlus || SemaRef.getLangOptions().C99) |
| Builder.AddPlaceholderChunk("init-statement"); |
| else |
| Builder.AddPlaceholderChunk("init-expression"); |
| Builder.AddChunk(CodeCompletionString::CK_SemiColon); |
| Builder.AddPlaceholderChunk("condition"); |
| Builder.AddChunk(CodeCompletionString::CK_SemiColon); |
| Builder.AddPlaceholderChunk("inc-expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| if (S->getContinueParent()) { |
| // continue ; |
| Builder.AddTypedTextChunk("continue"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| if (S->getBreakParent()) { |
| // break ; |
| Builder.AddTypedTextChunk("break"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // "return expression ;" or "return ;", depending on whether we |
| // know the function is void or not. |
| bool isVoid = false; |
| if (FunctionDecl *Function = dyn_cast<FunctionDecl>(SemaRef.CurContext)) |
| isVoid = Function->getResultType()->isVoidType(); |
| else if (ObjCMethodDecl *Method |
| = dyn_cast<ObjCMethodDecl>(SemaRef.CurContext)) |
| isVoid = Method->getResultType()->isVoidType(); |
| else if (SemaRef.getCurBlock() && |
| !SemaRef.getCurBlock()->ReturnType.isNull()) |
| isVoid = SemaRef.getCurBlock()->ReturnType->isVoidType(); |
| Builder.AddTypedTextChunk("return"); |
| if (!isVoid) { |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| } |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // goto identifier ; |
| Builder.AddTypedTextChunk("goto"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("label"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // Using directives |
| Builder.AddTypedTextChunk("using"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("namespace"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("identifier"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // Fall through (for statement expressions). |
| case Sema::PCC_ForInit: |
| case Sema::PCC_Condition: |
| AddStorageSpecifiers(CCC, SemaRef.getLangOptions(), Results); |
| // Fall through: conditions and statements can have expressions. |
| |
| case Sema::PCC_ParenthesizedExpression: |
| if (SemaRef.getLangOptions().ObjCAutoRefCount && |
| CCC == Sema::PCC_ParenthesizedExpression) { |
| // (__bridge <type>)<expression> |
| Builder.AddTypedTextChunk("__bridge"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // (__bridge_transfer <Objective-C type>)<expression> |
| Builder.AddTypedTextChunk("__bridge_transfer"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("Objective-C type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // (__bridge_retained <CF type>)<expression> |
| Builder.AddTypedTextChunk("__bridge_retained"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("CF type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| // Fall through |
| |
| case Sema::PCC_Expression: { |
| if (SemaRef.getLangOptions().CPlusPlus) { |
| // 'this', if we're in a non-static member function. |
| QualType ThisTy = SemaRef.getCurrentThisType(); |
| if (!ThisTy.isNull()) { |
| Builder.AddResultTypeChunk(GetCompletionTypeString(ThisTy, |
| SemaRef.Context, |
| Policy, |
| Allocator)); |
| Builder.AddTypedTextChunk("this"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // true |
| Builder.AddResultTypeChunk("bool"); |
| Builder.AddTypedTextChunk("true"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // false |
| Builder.AddResultTypeChunk("bool"); |
| Builder.AddTypedTextChunk("false"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| if (SemaRef.getLangOptions().RTTI) { |
| // dynamic_cast < type-id > ( expression ) |
| Builder.AddTypedTextChunk("dynamic_cast"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftAngle); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightAngle); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // static_cast < type-id > ( expression ) |
| Builder.AddTypedTextChunk("static_cast"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftAngle); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightAngle); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // reinterpret_cast < type-id > ( expression ) |
| Builder.AddTypedTextChunk("reinterpret_cast"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftAngle); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightAngle); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // const_cast < type-id > ( expression ) |
| Builder.AddTypedTextChunk("const_cast"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftAngle); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightAngle); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| if (SemaRef.getLangOptions().RTTI) { |
| // typeid ( expression-or-type ) |
| Builder.AddResultTypeChunk("std::type_info"); |
| Builder.AddTypedTextChunk("typeid"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression-or-type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // new T ( ... ) |
| Builder.AddTypedTextChunk("new"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expressions"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // new T [ ] ( ... ) |
| Builder.AddTypedTextChunk("new"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBracket); |
| Builder.AddPlaceholderChunk("size"); |
| Builder.AddChunk(CodeCompletionString::CK_RightBracket); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expressions"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // delete expression |
| Builder.AddResultTypeChunk("void"); |
| Builder.AddTypedTextChunk("delete"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // delete [] expression |
| Builder.AddResultTypeChunk("void"); |
| Builder.AddTypedTextChunk("delete"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBracket); |
| Builder.AddChunk(CodeCompletionString::CK_RightBracket); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| if (SemaRef.getLangOptions().CXXExceptions) { |
| // throw expression |
| Builder.AddResultTypeChunk("void"); |
| Builder.AddTypedTextChunk("throw"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // FIXME: Rethrow? |
| |
| if (SemaRef.getLangOptions().CPlusPlus0x) { |
| // nullptr |
| Builder.AddResultTypeChunk("std::nullptr_t"); |
| Builder.AddTypedTextChunk("nullptr"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // alignof |
| Builder.AddResultTypeChunk("size_t"); |
| Builder.AddTypedTextChunk("alignof"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // noexcept |
| Builder.AddResultTypeChunk("bool"); |
| Builder.AddTypedTextChunk("noexcept"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // sizeof... expression |
| Builder.AddResultTypeChunk("size_t"); |
| Builder.AddTypedTextChunk("sizeof..."); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("parameter-pack"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| |
| if (SemaRef.getLangOptions().ObjC1) { |
| // Add "super", if we're in an Objective-C class with a superclass. |
| if (ObjCMethodDecl *Method = SemaRef.getCurMethodDecl()) { |
| // The interface can be NULL. |
| if (ObjCInterfaceDecl *ID = Method->getClassInterface()) |
| if (ID->getSuperClass()) { |
| std::string SuperType; |
| SuperType = ID->getSuperClass()->getNameAsString(); |
| if (Method->isInstanceMethod()) |
| SuperType += " *"; |
| |
| Builder.AddResultTypeChunk(Allocator.CopyString(SuperType)); |
| Builder.AddTypedTextChunk("super"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| |
| AddObjCExpressionResults(Results, true); |
| } |
| |
| // sizeof expression |
| Builder.AddResultTypeChunk("size_t"); |
| Builder.AddTypedTextChunk("sizeof"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression-or-type"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| break; |
| } |
| |
| case Sema::PCC_Type: |
| case Sema::PCC_LocalDeclarationSpecifiers: |
| break; |
| } |
| |
| if (WantTypesInContext(CCC, SemaRef.getLangOptions())) |
| AddTypeSpecifierResults(SemaRef.getLangOptions(), Results); |
| |
| if (SemaRef.getLangOptions().CPlusPlus && CCC != Sema::PCC_Type) |
| Results.AddResult(Result("operator")); |
| } |
| |
| /// \brief If the given declaration has an associated type, add it as a result |
| /// type chunk. |
| static void AddResultTypeChunk(ASTContext &Context, |
| const PrintingPolicy &Policy, |
| NamedDecl *ND, |
| CodeCompletionBuilder &Result) { |
| if (!ND) |
| return; |
| |
| // Skip constructors and conversion functions, which have their return types |
| // built into their names. |
| if (isa<CXXConstructorDecl>(ND) || isa<CXXConversionDecl>(ND)) |
| return; |
| |
| // Determine the type of the declaration (if it has a type). |
| QualType T; |
| if (FunctionDecl *Function = dyn_cast<FunctionDecl>(ND)) |
| T = Function->getResultType(); |
| else if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(ND)) |
| T = Method->getResultType(); |
| else if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(ND)) |
| T = FunTmpl->getTemplatedDecl()->getResultType(); |
| else if (EnumConstantDecl *Enumerator = dyn_cast<EnumConstantDecl>(ND)) |
| T = Context.getTypeDeclType(cast<TypeDecl>(Enumerator->getDeclContext())); |
| else if (isa<UnresolvedUsingValueDecl>(ND)) { |
| /* Do nothing: ignore unresolved using declarations*/ |
| } else if (ValueDecl *Value = dyn_cast<ValueDecl>(ND)) { |
| T = Value->getType(); |
| } else if (ObjCPropertyDecl *Property = dyn_cast<ObjCPropertyDecl>(ND)) |
| T = Property->getType(); |
| |
| if (T.isNull() || Context.hasSameType(T, Context.DependentTy)) |
| return; |
| |
| Result.AddResultTypeChunk(GetCompletionTypeString(T, Context, Policy, |
| Result.getAllocator())); |
| } |
| |
| static void MaybeAddSentinel(ASTContext &Context, NamedDecl *FunctionOrMethod, |
| CodeCompletionBuilder &Result) { |
| if (SentinelAttr *Sentinel = FunctionOrMethod->getAttr<SentinelAttr>()) |
| if (Sentinel->getSentinel() == 0) { |
| if (Context.getLangOptions().ObjC1 && |
| Context.Idents.get("nil").hasMacroDefinition()) |
| Result.AddTextChunk(", nil"); |
| else if (Context.Idents.get("NULL").hasMacroDefinition()) |
| Result.AddTextChunk(", NULL"); |
| else |
| Result.AddTextChunk(", (void*)0"); |
| } |
| } |
| |
| static std::string formatObjCParamQualifiers(unsigned ObjCQuals) { |
| std::string Result; |
| if (ObjCQuals & Decl::OBJC_TQ_In) |
| Result += "in "; |
| else if (ObjCQuals & Decl::OBJC_TQ_Inout) |
| Result += "inout "; |
| else if (ObjCQuals & Decl::OBJC_TQ_Out) |
| Result += "out "; |
| if (ObjCQuals & Decl::OBJC_TQ_Bycopy) |
| Result += "bycopy "; |
| else if (ObjCQuals & Decl::OBJC_TQ_Byref) |
| Result += "byref "; |
| if (ObjCQuals & Decl::OBJC_TQ_Oneway) |
| Result += "oneway "; |
| return Result; |
| } |
| |
| static std::string FormatFunctionParameter(ASTContext &Context, |
| const PrintingPolicy &Policy, |
| ParmVarDecl *Param, |
| bool SuppressName = false, |
| bool SuppressBlock = false) { |
| bool ObjCMethodParam = isa<ObjCMethodDecl>(Param->getDeclContext()); |
| if (Param->getType()->isDependentType() || |
| !Param->getType()->isBlockPointerType()) { |
| // The argument for a dependent or non-block parameter is a placeholder |
| // containing that parameter's type. |
| std::string Result; |
| |
| if (Param->getIdentifier() && !ObjCMethodParam && !SuppressName) |
| Result = Param->getIdentifier()->getName(); |
| |
| Param->getType().getAsStringInternal(Result, Policy); |
| |
| if (ObjCMethodParam) { |
| Result = "(" + formatObjCParamQualifiers(Param->getObjCDeclQualifier()) |
| + Result + ")"; |
| if (Param->getIdentifier() && !SuppressName) |
| Result += Param->getIdentifier()->getName(); |
| } |
| return Result; |
| } |
| |
| // The argument for a block pointer parameter is a block literal with |
| // the appropriate type. |
| FunctionTypeLoc *Block = 0; |
| FunctionProtoTypeLoc *BlockProto = 0; |
| TypeLoc TL; |
| if (TypeSourceInfo *TSInfo = Param->getTypeSourceInfo()) { |
| TL = TSInfo->getTypeLoc().getUnqualifiedLoc(); |
| while (true) { |
| // Look through typedefs. |
| if (!SuppressBlock) { |
| if (TypedefTypeLoc *TypedefTL = dyn_cast<TypedefTypeLoc>(&TL)) { |
| if (TypeSourceInfo *InnerTSInfo |
| = TypedefTL->getTypedefNameDecl()->getTypeSourceInfo()) { |
| TL = InnerTSInfo->getTypeLoc().getUnqualifiedLoc(); |
| continue; |
| } |
| } |
| |
| // Look through qualified types |
| if (QualifiedTypeLoc *QualifiedTL = dyn_cast<QualifiedTypeLoc>(&TL)) { |
| TL = QualifiedTL->getUnqualifiedLoc(); |
| continue; |
| } |
| } |
| |
| // Try to get the function prototype behind the block pointer type, |
| // then we're done. |
| if (BlockPointerTypeLoc *BlockPtr |
| = dyn_cast<BlockPointerTypeLoc>(&TL)) { |
| TL = BlockPtr->getPointeeLoc().IgnoreParens(); |
| Block = dyn_cast<FunctionTypeLoc>(&TL); |
| BlockProto = dyn_cast<FunctionProtoTypeLoc>(&TL); |
| } |
| break; |
| } |
| } |
| |
| if (!Block) { |
| // We were unable to find a FunctionProtoTypeLoc with parameter names |
| // for the block; just use the parameter type as a placeholder. |
| std::string Result; |
| if (!ObjCMethodParam && Param->getIdentifier()) |
| Result = Param->getIdentifier()->getName(); |
| |
| Param->getType().getUnqualifiedType().getAsStringInternal(Result, Policy); |
| |
| if (ObjCMethodParam) { |
| Result = "(" + formatObjCParamQualifiers(Param->getObjCDeclQualifier()) |
| + Result + ")"; |
| if (Param->getIdentifier()) |
| Result += Param->getIdentifier()->getName(); |
| } |
| |
| return Result; |
| } |
| |
| // We have the function prototype behind the block pointer type, as it was |
| // written in the source. |
| std::string Result; |
| QualType ResultType = Block->getTypePtr()->getResultType(); |
| if (!ResultType->isVoidType() || SuppressBlock) |
| ResultType.getAsStringInternal(Result, Policy); |
| |
| // Format the parameter list. |
| std::string Params; |
| if (!BlockProto || Block->getNumArgs() == 0) { |
| if (BlockProto && BlockProto->getTypePtr()->isVariadic()) |
| Params = "(...)"; |
| else |
| Params = "(void)"; |
| } else { |
| Params += "("; |
| for (unsigned I = 0, N = Block->getNumArgs(); I != N; ++I) { |
| if (I) |
| Params += ", "; |
| Params += FormatFunctionParameter(Context, Policy, Block->getArg(I), |
| /*SuppressName=*/false, |
| /*SuppressBlock=*/true); |
| |
| if (I == N - 1 && BlockProto->getTypePtr()->isVariadic()) |
| Params += ", ..."; |
| } |
| Params += ")"; |
| } |
| |
| if (SuppressBlock) { |
| // Format as a parameter. |
| Result = Result + " (^"; |
| if (Param->getIdentifier()) |
| Result += Param->getIdentifier()->getName(); |
| Result += ")"; |
| Result += Params; |
| } else { |
| // Format as a block literal argument. |
| Result = '^' + Result; |
| Result += Params; |
| |
| if (Param->getIdentifier()) |
| Result += Param->getIdentifier()->getName(); |
| } |
| |
| return Result; |
| } |
| |
| /// \brief Add function parameter chunks to the given code completion string. |
| static void AddFunctionParameterChunks(ASTContext &Context, |
| const PrintingPolicy &Policy, |
| FunctionDecl *Function, |
| CodeCompletionBuilder &Result, |
| unsigned Start = 0, |
| bool InOptional = false) { |
| typedef CodeCompletionString::Chunk Chunk; |
| bool FirstParameter = true; |
| |
| for (unsigned P = Start, N = Function->getNumParams(); P != N; ++P) { |
| ParmVarDecl *Param = Function->getParamDecl(P); |
| |
| if (Param->hasDefaultArg() && !InOptional) { |
| // When we see an optional default argument, put that argument and |
| // the remaining default arguments into a new, optional string. |
| CodeCompletionBuilder Opt(Result.getAllocator()); |
| if (!FirstParameter) |
| Opt.AddChunk(Chunk(CodeCompletionString::CK_Comma)); |
| AddFunctionParameterChunks(Context, Policy, Function, Opt, P, true); |
| Result.AddOptionalChunk(Opt.TakeString()); |
| break; |
| } |
| |
| if (FirstParameter) |
| FirstParameter = false; |
| else |
| Result.AddChunk(Chunk(CodeCompletionString::CK_Comma)); |
| |
| InOptional = false; |
| |
| // Format the placeholder string. |
| std::string PlaceholderStr = FormatFunctionParameter(Context, Policy, |
| Param); |
| |
| if (Function->isVariadic() && P == N - 1) |
| PlaceholderStr += ", ..."; |
| |
| // Add the placeholder string. |
| Result.AddPlaceholderChunk( |
| Result.getAllocator().CopyString(PlaceholderStr)); |
| } |
| |
| if (const FunctionProtoType *Proto |
| = Function->getType()->getAs<FunctionProtoType>()) |
| if (Proto->isVariadic()) { |
| if (Proto->getNumArgs() == 0) |
| Result.AddPlaceholderChunk("..."); |
| |
| MaybeAddSentinel(Context, Function, Result); |
| } |
| } |
| |
| /// \brief Add template parameter chunks to the given code completion string. |
| static void AddTemplateParameterChunks(ASTContext &Context, |
| const PrintingPolicy &Policy, |
| TemplateDecl *Template, |
| CodeCompletionBuilder &Result, |
| unsigned MaxParameters = 0, |
| unsigned Start = 0, |
| bool InDefaultArg = false) { |
| typedef CodeCompletionString::Chunk Chunk; |
| bool FirstParameter = true; |
| |
| TemplateParameterList *Params = Template->getTemplateParameters(); |
| TemplateParameterList::iterator PEnd = Params->end(); |
| if (MaxParameters) |
| PEnd = Params->begin() + MaxParameters; |
| for (TemplateParameterList::iterator P = Params->begin() + Start; |
| P != PEnd; ++P) { |
| bool HasDefaultArg = false; |
| std::string PlaceholderStr; |
| if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(*P)) { |
| if (TTP->wasDeclaredWithTypename()) |
| PlaceholderStr = "typename"; |
| else |
| PlaceholderStr = "class"; |
| |
| if (TTP->getIdentifier()) { |
| PlaceholderStr += ' '; |
| PlaceholderStr += TTP->getIdentifier()->getName(); |
| } |
| |
| HasDefaultArg = TTP->hasDefaultArgument(); |
| } else if (NonTypeTemplateParmDecl *NTTP |
| = dyn_cast<NonTypeTemplateParmDecl>(*P)) { |
| if (NTTP->getIdentifier()) |
| PlaceholderStr = NTTP->getIdentifier()->getName(); |
| NTTP->getType().getAsStringInternal(PlaceholderStr, Policy); |
| HasDefaultArg = NTTP->hasDefaultArgument(); |
| } else { |
| assert(isa<TemplateTemplateParmDecl>(*P)); |
| TemplateTemplateParmDecl *TTP = cast<TemplateTemplateParmDecl>(*P); |
| |
| // Since putting the template argument list into the placeholder would |
| // be very, very long, we just use an abbreviation. |
| PlaceholderStr = "template<...> class"; |
| if (TTP->getIdentifier()) { |
| PlaceholderStr += ' '; |
| PlaceholderStr += TTP->getIdentifier()->getName(); |
| } |
| |
| HasDefaultArg = TTP->hasDefaultArgument(); |
| } |
| |
| if (HasDefaultArg && !InDefaultArg) { |
| // When we see an optional default argument, put that argument and |
| // the remaining default arguments into a new, optional string. |
| CodeCompletionBuilder Opt(Result.getAllocator()); |
| if (!FirstParameter) |
| Opt.AddChunk(Chunk(CodeCompletionString::CK_Comma)); |
| AddTemplateParameterChunks(Context, Policy, Template, Opt, MaxParameters, |
| P - Params->begin(), true); |
| Result.AddOptionalChunk(Opt.TakeString()); |
| break; |
| } |
| |
| InDefaultArg = false; |
| |
| if (FirstParameter) |
| FirstParameter = false; |
| else |
| Result.AddChunk(Chunk(CodeCompletionString::CK_Comma)); |
| |
| // Add the placeholder string. |
| Result.AddPlaceholderChunk( |
| Result.getAllocator().CopyString(PlaceholderStr)); |
| } |
| } |
| |
| /// \brief Add a qualifier to the given code-completion string, if the |
| /// provided nested-name-specifier is non-NULL. |
| static void |
| AddQualifierToCompletionString(CodeCompletionBuilder &Result, |
| NestedNameSpecifier *Qualifier, |
| bool QualifierIsInformative, |
| ASTContext &Context, |
| const PrintingPolicy &Policy) { |
| if (!Qualifier) |
| return; |
| |
| std::string PrintedNNS; |
| { |
| llvm::raw_string_ostream OS(PrintedNNS); |
| Qualifier->print(OS, Policy); |
| } |
| if (QualifierIsInformative) |
| Result.AddInformativeChunk(Result.getAllocator().CopyString(PrintedNNS)); |
| else |
| Result.AddTextChunk(Result.getAllocator().CopyString(PrintedNNS)); |
| } |
| |
| static void |
| AddFunctionTypeQualsToCompletionString(CodeCompletionBuilder &Result, |
| FunctionDecl *Function) { |
| const FunctionProtoType *Proto |
| = Function->getType()->getAs<FunctionProtoType>(); |
| if (!Proto || !Proto->getTypeQuals()) |
| return; |
| |
| // FIXME: Add ref-qualifier! |
| |
| // Handle single qualifiers without copying |
| if (Proto->getTypeQuals() == Qualifiers::Const) { |
| Result.AddInformativeChunk(" const"); |
| return; |
| } |
| |
| if (Proto->getTypeQuals() == Qualifiers::Volatile) { |
| Result.AddInformativeChunk(" volatile"); |
| return; |
| } |
| |
| if (Proto->getTypeQuals() == Qualifiers::Restrict) { |
| Result.AddInformativeChunk(" restrict"); |
| return; |
| } |
| |
| // Handle multiple qualifiers. |
| std::string QualsStr; |
| if (Proto->getTypeQuals() & Qualifiers::Const) |
| QualsStr += " const"; |
| if (Proto->getTypeQuals() & Qualifiers::Volatile) |
| QualsStr += " volatile"; |
| if (Proto->getTypeQuals() & Qualifiers::Restrict) |
| QualsStr += " restrict"; |
| Result.AddInformativeChunk(Result.getAllocator().CopyString(QualsStr)); |
| } |
| |
| /// \brief Add the name of the given declaration |
| static void AddTypedNameChunk(ASTContext &Context, const PrintingPolicy &Policy, |
| NamedDecl *ND, CodeCompletionBuilder &Result) { |
| typedef CodeCompletionString::Chunk Chunk; |
| |
| DeclarationName Name = ND->getDeclName(); |
| if (!Name) |
| return; |
| |
| switch (Name.getNameKind()) { |
| case DeclarationName::CXXOperatorName: { |
| const char *OperatorName = 0; |
| switch (Name.getCXXOverloadedOperator()) { |
| case OO_None: |
| case OO_Conditional: |
| case NUM_OVERLOADED_OPERATORS: |
| OperatorName = "operator"; |
| break; |
| |
| #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ |
| case OO_##Name: OperatorName = "operator" Spelling; break; |
| #define OVERLOADED_OPERATOR_MULTI(Name,Spelling,Unary,Binary,MemberOnly) |
| #include "clang/Basic/OperatorKinds.def" |
| |
| case OO_New: OperatorName = "operator new"; break; |
| case OO_Delete: OperatorName = "operator delete"; break; |
| case OO_Array_New: OperatorName = "operator new[]"; break; |
| case OO_Array_Delete: OperatorName = "operator delete[]"; break; |
| case OO_Call: OperatorName = "operator()"; break; |
| case OO_Subscript: OperatorName = "operator[]"; break; |
| } |
| Result.AddTypedTextChunk(OperatorName); |
| break; |
| } |
| |
| case DeclarationName::Identifier: |
| case DeclarationName::CXXConversionFunctionName: |
| case DeclarationName::CXXDestructorName: |
| case DeclarationName::CXXLiteralOperatorName: |
| Result.AddTypedTextChunk( |
| Result.getAllocator().CopyString(ND->getNameAsString())); |
| break; |
| |
| case DeclarationName::CXXUsingDirective: |
| case DeclarationName::ObjCZeroArgSelector: |
| case DeclarationName::ObjCOneArgSelector: |
| case DeclarationName::ObjCMultiArgSelector: |
| break; |
| |
| case DeclarationName::CXXConstructorName: { |
| CXXRecordDecl *Record = 0; |
| QualType Ty = Name.getCXXNameType(); |
| if (const RecordType *RecordTy = Ty->getAs<RecordType>()) |
| Record = cast<CXXRecordDecl>(RecordTy->getDecl()); |
| else if (const InjectedClassNameType *InjectedTy |
| = Ty->getAs<InjectedClassNameType>()) |
| Record = InjectedTy->getDecl(); |
| else { |
| Result.AddTypedTextChunk( |
| Result.getAllocator().CopyString(ND->getNameAsString())); |
| break; |
| } |
| |
| Result.AddTypedTextChunk( |
| Result.getAllocator().CopyString(Record->getNameAsString())); |
| if (ClassTemplateDecl *Template = Record->getDescribedClassTemplate()) { |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftAngle)); |
| AddTemplateParameterChunks(Context, Policy, Template, Result); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightAngle)); |
| } |
| break; |
| } |
| } |
| } |
| |
| /// \brief If possible, create a new code completion string for the given |
| /// result. |
| /// |
| /// \returns Either a new, heap-allocated code completion string describing |
| /// how to use this result, or NULL to indicate that the string or name of the |
| /// result is all that is needed. |
| CodeCompletionString * |
| CodeCompletionResult::CreateCodeCompletionString(Sema &S, |
| CodeCompletionAllocator &Allocator) { |
| typedef CodeCompletionString::Chunk Chunk; |
| CodeCompletionBuilder Result(Allocator, Priority, Availability); |
| |
| PrintingPolicy Policy = getCompletionPrintingPolicy(S); |
| if (Kind == RK_Pattern) { |
| Pattern->Priority = Priority; |
| Pattern->Availability = Availability; |
| return Pattern; |
| } |
| |
| if (Kind == RK_Keyword) { |
| Result.AddTypedTextChunk(Keyword); |
| return Result.TakeString(); |
| } |
| |
| if (Kind == RK_Macro) { |
| MacroInfo *MI = S.PP.getMacroInfo(Macro); |
| assert(MI && "Not a macro?"); |
| |
| Result.AddTypedTextChunk( |
| Result.getAllocator().CopyString(Macro->getName())); |
| |
| if (!MI->isFunctionLike()) |
| return Result.TakeString(); |
| |
| // Format a function-like macro with placeholders for the arguments. |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen)); |
| bool CombineVariadicArgument = false; |
| MacroInfo::arg_iterator A = MI->arg_begin(), AEnd = MI->arg_end(); |
| if (MI->isVariadic() && AEnd - A > 1) { |
| AEnd -= 2; |
| CombineVariadicArgument = true; |
| } |
| for (MacroInfo::arg_iterator A = MI->arg_begin(); A != AEnd; ++A) { |
| if (A != MI->arg_begin()) |
| Result.AddChunk(Chunk(CodeCompletionString::CK_Comma)); |
| |
| if (!MI->isVariadic() || A + 1 != AEnd) { |
| // Non-variadic argument. |
| Result.AddPlaceholderChunk( |
| Result.getAllocator().CopyString((*A)->getName())); |
| continue; |
| } |
| |
| // Variadic argument; cope with the difference between GNU and C99 |
| // variadic macros, providing a single placeholder for the rest of the |
| // arguments. |
| if ((*A)->isStr("__VA_ARGS__")) |
| Result.AddPlaceholderChunk("..."); |
| else { |
| std::string Arg = (*A)->getName(); |
| Arg += "..."; |
| Result.AddPlaceholderChunk(Result.getAllocator().CopyString(Arg)); |
| } |
| } |
| |
| if (CombineVariadicArgument) { |
| // Handle the next-to-last argument, combining it with the variadic |
| // argument. |
| std::string LastArg = (*A)->getName(); |
| ++A; |
| if ((*A)->isStr("__VA_ARGS__")) |
| LastArg += ", ..."; |
| else |
| LastArg += ", " + (*A)->getName().str() + "..."; |
| Result.AddPlaceholderChunk(Result.getAllocator().CopyString(LastArg)); |
| } |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen)); |
| return Result.TakeString(); |
| } |
| |
| assert(Kind == RK_Declaration && "Missed a result kind?"); |
| NamedDecl *ND = Declaration; |
| |
| if (StartsNestedNameSpecifier) { |
| Result.AddTypedTextChunk( |
| Result.getAllocator().CopyString(ND->getNameAsString())); |
| Result.AddTextChunk("::"); |
| return Result.TakeString(); |
| } |
| |
| for (Decl::attr_iterator i = ND->attr_begin(); i != ND->attr_end(); ++i) { |
| if (AnnotateAttr *Attr = dyn_cast_or_null<AnnotateAttr>(*i)) { |
| Result.AddAnnotation(Result.getAllocator().CopyString(Attr->getAnnotation())); |
| } |
| } |
| |
| AddResultTypeChunk(S.Context, Policy, ND, Result); |
| |
| if (FunctionDecl *Function = dyn_cast<FunctionDecl>(ND)) { |
| AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative, |
| S.Context, Policy); |
| AddTypedNameChunk(S.Context, Policy, ND, Result); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen)); |
| AddFunctionParameterChunks(S.Context, Policy, Function, Result); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen)); |
| AddFunctionTypeQualsToCompletionString(Result, Function); |
| return Result.TakeString(); |
| } |
| |
| if (FunctionTemplateDecl *FunTmpl = dyn_cast<FunctionTemplateDecl>(ND)) { |
| AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative, |
| S.Context, Policy); |
| FunctionDecl *Function = FunTmpl->getTemplatedDecl(); |
| AddTypedNameChunk(S.Context, Policy, Function, Result); |
| |
| // Figure out which template parameters are deduced (or have default |
| // arguments). |
| SmallVector<bool, 16> Deduced; |
| S.MarkDeducedTemplateParameters(FunTmpl, Deduced); |
| unsigned LastDeducibleArgument; |
| for (LastDeducibleArgument = Deduced.size(); LastDeducibleArgument > 0; |
| --LastDeducibleArgument) { |
| if (!Deduced[LastDeducibleArgument - 1]) { |
| // C++0x: Figure out if the template argument has a default. If so, |
| // the user doesn't need to type this argument. |
| // FIXME: We need to abstract template parameters better! |
| bool HasDefaultArg = false; |
| NamedDecl *Param = FunTmpl->getTemplateParameters()->getParam( |
| LastDeducibleArgument - 1); |
| if (TemplateTypeParmDecl *TTP = dyn_cast<TemplateTypeParmDecl>(Param)) |
| HasDefaultArg = TTP->hasDefaultArgument(); |
| else if (NonTypeTemplateParmDecl *NTTP |
| = dyn_cast<NonTypeTemplateParmDecl>(Param)) |
| HasDefaultArg = NTTP->hasDefaultArgument(); |
| else { |
| assert(isa<TemplateTemplateParmDecl>(Param)); |
| HasDefaultArg |
| = cast<TemplateTemplateParmDecl>(Param)->hasDefaultArgument(); |
| } |
| |
| if (!HasDefaultArg) |
| break; |
| } |
| } |
| |
| if (LastDeducibleArgument) { |
| // Some of the function template arguments cannot be deduced from a |
| // function call, so we introduce an explicit template argument list |
| // containing all of the arguments up to the first deducible argument. |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftAngle)); |
| AddTemplateParameterChunks(S.Context, Policy, FunTmpl, Result, |
| LastDeducibleArgument); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightAngle)); |
| } |
| |
| // Add the function parameters |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen)); |
| AddFunctionParameterChunks(S.Context, Policy, Function, Result); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen)); |
| AddFunctionTypeQualsToCompletionString(Result, Function); |
| return Result.TakeString(); |
| } |
| |
| if (TemplateDecl *Template = dyn_cast<TemplateDecl>(ND)) { |
| AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative, |
| S.Context, Policy); |
| Result.AddTypedTextChunk( |
| Result.getAllocator().CopyString(Template->getNameAsString())); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftAngle)); |
| AddTemplateParameterChunks(S.Context, Policy, Template, Result); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightAngle)); |
| return Result.TakeString(); |
| } |
| |
| if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(ND)) { |
| Selector Sel = Method->getSelector(); |
| if (Sel.isUnarySelector()) { |
| Result.AddTypedTextChunk(Result.getAllocator().CopyString( |
| Sel.getNameForSlot(0))); |
| return Result.TakeString(); |
| } |
| |
| std::string SelName = Sel.getNameForSlot(0).str(); |
| SelName += ':'; |
| if (StartParameter == 0) |
| Result.AddTypedTextChunk(Result.getAllocator().CopyString(SelName)); |
| else { |
| Result.AddInformativeChunk(Result.getAllocator().CopyString(SelName)); |
| |
| // If there is only one parameter, and we're past it, add an empty |
| // typed-text chunk since there is nothing to type. |
| if (Method->param_size() == 1) |
| Result.AddTypedTextChunk(""); |
| } |
| unsigned Idx = 0; |
| for (ObjCMethodDecl::param_iterator P = Method->param_begin(), |
| PEnd = Method->param_end(); |
| P != PEnd; (void)++P, ++Idx) { |
| if (Idx > 0) { |
| std::string Keyword; |
| if (Idx > StartParameter) |
| Result.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| if (IdentifierInfo *II = Sel.getIdentifierInfoForSlot(Idx)) |
| Keyword += II->getName(); |
| Keyword += ":"; |
| if (Idx < StartParameter || AllParametersAreInformative) |
| Result.AddInformativeChunk(Result.getAllocator().CopyString(Keyword)); |
| else |
| Result.AddTypedTextChunk(Result.getAllocator().CopyString(Keyword)); |
| } |
| |
| // If we're before the starting parameter, skip the placeholder. |
| if (Idx < StartParameter) |
| continue; |
| |
| std::string Arg; |
| |
| if ((*P)->getType()->isBlockPointerType() && !DeclaringEntity) |
| Arg = FormatFunctionParameter(S.Context, Policy, *P, true); |
| else { |
| (*P)->getType().getAsStringInternal(Arg, Policy); |
| Arg = "(" + formatObjCParamQualifiers((*P)->getObjCDeclQualifier()) |
| + Arg + ")"; |
| if (IdentifierInfo *II = (*P)->getIdentifier()) |
| if (DeclaringEntity || AllParametersAreInformative) |
| Arg += II->getName(); |
| } |
| |
| if (Method->isVariadic() && (P + 1) == PEnd) |
| Arg += ", ..."; |
| |
| if (DeclaringEntity) |
| Result.AddTextChunk(Result.getAllocator().CopyString(Arg)); |
| else if (AllParametersAreInformative) |
| Result.AddInformativeChunk(Result.getAllocator().CopyString(Arg)); |
| else |
| Result.AddPlaceholderChunk(Result.getAllocator().CopyString(Arg)); |
| } |
| |
| if (Method->isVariadic()) { |
| if (Method->param_size() == 0) { |
| if (DeclaringEntity) |
| Result.AddTextChunk(", ..."); |
| else if (AllParametersAreInformative) |
| Result.AddInformativeChunk(", ..."); |
| else |
| Result.AddPlaceholderChunk(", ..."); |
| } |
| |
| MaybeAddSentinel(S.Context, Method, Result); |
| } |
| |
| return Result.TakeString(); |
| } |
| |
| if (Qualifier) |
| AddQualifierToCompletionString(Result, Qualifier, QualifierIsInformative, |
| S.Context, Policy); |
| |
| Result.AddTypedTextChunk( |
| Result.getAllocator().CopyString(ND->getNameAsString())); |
| return Result.TakeString(); |
| } |
| |
| CodeCompletionString * |
| CodeCompleteConsumer::OverloadCandidate::CreateSignatureString( |
| unsigned CurrentArg, |
| Sema &S, |
| CodeCompletionAllocator &Allocator) const { |
| typedef CodeCompletionString::Chunk Chunk; |
| PrintingPolicy Policy = getCompletionPrintingPolicy(S); |
| |
| // FIXME: Set priority, availability appropriately. |
| CodeCompletionBuilder Result(Allocator, 1, CXAvailability_Available); |
| FunctionDecl *FDecl = getFunction(); |
| AddResultTypeChunk(S.Context, Policy, FDecl, Result); |
| const FunctionProtoType *Proto |
| = dyn_cast<FunctionProtoType>(getFunctionType()); |
| if (!FDecl && !Proto) { |
| // Function without a prototype. Just give the return type and a |
| // highlighted ellipsis. |
| const FunctionType *FT = getFunctionType(); |
| Result.AddTextChunk(GetCompletionTypeString(FT->getResultType(), |
| S.Context, Policy, |
| Result.getAllocator())); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen)); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_CurrentParameter, "...")); |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen)); |
| return Result.TakeString(); |
| } |
| |
| if (FDecl) |
| Result.AddTextChunk( |
| Result.getAllocator().CopyString(FDecl->getNameAsString())); |
| else |
| Result.AddTextChunk( |
| Result.getAllocator().CopyString( |
| Proto->getResultType().getAsString(Policy))); |
| |
| Result.AddChunk(Chunk(CodeCompletionString::CK_LeftParen)); |
| unsigned NumParams = FDecl? FDecl->getNumParams() : Proto->getNumArgs(); |
| for (unsigned I = 0; I != NumParams; ++I) { |
| if (I) |
| Result.AddChunk(Chunk(CodeCompletionString::CK_Comma)); |
| |
| std::string ArgString; |
| QualType ArgType; |
| |
| if (FDecl) { |
| ArgString = FDecl->getParamDecl(I)->getNameAsString(); |
| ArgType = FDecl->getParamDecl(I)->getOriginalType(); |
| } else { |
| ArgType = Proto->getArgType(I); |
| } |
| |
| ArgType.getAsStringInternal(ArgString, Policy); |
| |
| if (I == CurrentArg) |
| Result.AddChunk(Chunk(CodeCompletionString::CK_CurrentParameter, |
| Result.getAllocator().CopyString(ArgString))); |
| else |
| Result.AddTextChunk(Result.getAllocator().CopyString(ArgString)); |
| } |
| |
| if (Proto && Proto->isVariadic()) { |
| Result.AddChunk(Chunk(CodeCompletionString::CK_Comma)); |
| if (CurrentArg < NumParams) |
| Result.AddTextChunk("..."); |
| else |
| Result.AddChunk(Chunk(CodeCompletionString::CK_CurrentParameter, "...")); |
| } |
| Result.AddChunk(Chunk(CodeCompletionString::CK_RightParen)); |
| |
| return Result.TakeString(); |
| } |
| |
| unsigned clang::getMacroUsagePriority(StringRef MacroName, |
| const LangOptions &LangOpts, |
| bool PreferredTypeIsPointer) { |
| unsigned Priority = CCP_Macro; |
| |
| // Treat the "nil", "Nil" and "NULL" macros as null pointer constants. |
| if (MacroName.equals("nil") || MacroName.equals("NULL") || |
| MacroName.equals("Nil")) { |
| Priority = CCP_Constant; |
| if (PreferredTypeIsPointer) |
| Priority = Priority / CCF_SimilarTypeMatch; |
| } |
| // Treat "YES", "NO", "true", and "false" as constants. |
| else if (MacroName.equals("YES") || MacroName.equals("NO") || |
| MacroName.equals("true") || MacroName.equals("false")) |
| Priority = CCP_Constant; |
| // Treat "bool" as a type. |
| else if (MacroName.equals("bool")) |
| Priority = CCP_Type + (LangOpts.ObjC1? CCD_bool_in_ObjC : 0); |
| |
| |
| return Priority; |
| } |
| |
| CXCursorKind clang::getCursorKindForDecl(Decl *D) { |
| if (!D) |
| return CXCursor_UnexposedDecl; |
| |
| switch (D->getKind()) { |
| case Decl::Enum: return CXCursor_EnumDecl; |
| case Decl::EnumConstant: return CXCursor_EnumConstantDecl; |
| case Decl::Field: return CXCursor_FieldDecl; |
| case Decl::Function: |
| return CXCursor_FunctionDecl; |
| case Decl::ObjCCategory: return CXCursor_ObjCCategoryDecl; |
| case Decl::ObjCCategoryImpl: return CXCursor_ObjCCategoryImplDecl; |
| // FIXME |
| return CXCursor_UnexposedDecl; |
| case Decl::ObjCImplementation: return CXCursor_ObjCImplementationDecl; |
| |
| case Decl::ObjCInterface: |
| if (cast<ObjCInterfaceDecl>(D)->isThisDeclarationADefinition()) |
| return CXCursor_ObjCInterfaceDecl; |
| |
| // Forward declarations are not directly exposed. |
| return CXCursor_UnexposedDecl; |
| |
| case Decl::ObjCIvar: return CXCursor_ObjCIvarDecl; |
| case Decl::ObjCMethod: |
| return cast<ObjCMethodDecl>(D)->isInstanceMethod() |
| ? CXCursor_ObjCInstanceMethodDecl : CXCursor_ObjCClassMethodDecl; |
| case Decl::CXXMethod: return CXCursor_CXXMethod; |
| case Decl::CXXConstructor: return CXCursor_Constructor; |
| case Decl::CXXDestructor: return CXCursor_Destructor; |
| case Decl::CXXConversion: return CXCursor_ConversionFunction; |
| case Decl::ObjCProperty: return CXCursor_ObjCPropertyDecl; |
| case Decl::ObjCProtocol: |
| if (cast<ObjCProtocolDecl>(D)->isThisDeclarationADefinition()) |
| return CXCursor_ObjCProtocolDecl; |
| |
| return CXCursor_UnexposedDecl; |
| |
| case Decl::ParmVar: return CXCursor_ParmDecl; |
| case Decl::Typedef: return CXCursor_TypedefDecl; |
| case Decl::TypeAlias: return CXCursor_TypeAliasDecl; |
| case Decl::Var: return CXCursor_VarDecl; |
| case Decl::Namespace: return CXCursor_Namespace; |
| case Decl::NamespaceAlias: return CXCursor_NamespaceAlias; |
| case Decl::TemplateTypeParm: return CXCursor_TemplateTypeParameter; |
| case Decl::NonTypeTemplateParm:return CXCursor_NonTypeTemplateParameter; |
| case Decl::TemplateTemplateParm:return CXCursor_TemplateTemplateParameter; |
| case Decl::FunctionTemplate: return CXCursor_FunctionTemplate; |
| case Decl::ClassTemplate: return CXCursor_ClassTemplate; |
| case Decl::AccessSpec: return CXCursor_CXXAccessSpecifier; |
| case Decl::ClassTemplatePartialSpecialization: |
| return CXCursor_ClassTemplatePartialSpecialization; |
| case Decl::UsingDirective: return CXCursor_UsingDirective; |
| |
| case Decl::Using: |
| case Decl::UnresolvedUsingValue: |
| case Decl::UnresolvedUsingTypename: |
| return CXCursor_UsingDeclaration; |
| |
| case Decl::ObjCPropertyImpl: |
| switch (cast<ObjCPropertyImplDecl>(D)->getPropertyImplementation()) { |
| case ObjCPropertyImplDecl::Dynamic: |
| return CXCursor_ObjCDynamicDecl; |
| |
| case ObjCPropertyImplDecl::Synthesize: |
| return CXCursor_ObjCSynthesizeDecl; |
| } |
| break; |
| |
| default: |
| if (TagDecl *TD = dyn_cast<TagDecl>(D)) { |
| switch (TD->getTagKind()) { |
| case TTK_Struct: return CXCursor_StructDecl; |
| case TTK_Class: return CXCursor_ClassDecl; |
| case TTK_Union: return CXCursor_UnionDecl; |
| case TTK_Enum: return CXCursor_EnumDecl; |
| } |
| } |
| } |
| |
| return CXCursor_UnexposedDecl; |
| } |
| |
| static void AddMacroResults(Preprocessor &PP, ResultBuilder &Results, |
| bool TargetTypeIsPointer = false) { |
| typedef CodeCompletionResult Result; |
| |
| Results.EnterNewScope(); |
| |
| for (Preprocessor::macro_iterator M = PP.macro_begin(), |
| MEnd = PP.macro_end(); |
| M != MEnd; ++M) { |
| Results.AddResult(Result(M->first, |
| getMacroUsagePriority(M->first->getName(), |
| PP.getLangOptions(), |
| TargetTypeIsPointer))); |
| } |
| |
| Results.ExitScope(); |
| |
| } |
| |
| static void AddPrettyFunctionResults(const LangOptions &LangOpts, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| |
| Results.EnterNewScope(); |
| |
| Results.AddResult(Result("__PRETTY_FUNCTION__", CCP_Constant)); |
| Results.AddResult(Result("__FUNCTION__", CCP_Constant)); |
| if (LangOpts.C99 || LangOpts.CPlusPlus0x) |
| Results.AddResult(Result("__func__", CCP_Constant)); |
| Results.ExitScope(); |
| } |
| |
| static void HandleCodeCompleteResults(Sema *S, |
| CodeCompleteConsumer *CodeCompleter, |
| CodeCompletionContext Context, |
| CodeCompletionResult *Results, |
| unsigned NumResults) { |
| if (CodeCompleter) |
| CodeCompleter->ProcessCodeCompleteResults(*S, Context, Results, NumResults); |
| } |
| |
| static enum CodeCompletionContext::Kind mapCodeCompletionContext(Sema &S, |
| Sema::ParserCompletionContext PCC) { |
| switch (PCC) { |
| case Sema::PCC_Namespace: |
| return CodeCompletionContext::CCC_TopLevel; |
| |
| case Sema::PCC_Class: |
| return CodeCompletionContext::CCC_ClassStructUnion; |
| |
| case Sema::PCC_ObjCInterface: |
| return CodeCompletionContext::CCC_ObjCInterface; |
| |
| case Sema::PCC_ObjCImplementation: |
| return CodeCompletionContext::CCC_ObjCImplementation; |
| |
| case Sema::PCC_ObjCInstanceVariableList: |
| return CodeCompletionContext::CCC_ObjCIvarList; |
| |
| case Sema::PCC_Template: |
| case Sema::PCC_MemberTemplate: |
| if (S.CurContext->isFileContext()) |
| return CodeCompletionContext::CCC_TopLevel; |
| else if (S.CurContext->isRecord()) |
| return CodeCompletionContext::CCC_ClassStructUnion; |
| else |
| return CodeCompletionContext::CCC_Other; |
| |
| case Sema::PCC_RecoveryInFunction: |
| return CodeCompletionContext::CCC_Recovery; |
| |
| case Sema::PCC_ForInit: |
| if (S.getLangOptions().CPlusPlus || S.getLangOptions().C99 || |
| S.getLangOptions().ObjC1) |
| return CodeCompletionContext::CCC_ParenthesizedExpression; |
| else |
| return CodeCompletionContext::CCC_Expression; |
| |
| case Sema::PCC_Expression: |
| case Sema::PCC_Condition: |
| return CodeCompletionContext::CCC_Expression; |
| |
| case Sema::PCC_Statement: |
| return CodeCompletionContext::CCC_Statement; |
| |
| case Sema::PCC_Type: |
| return CodeCompletionContext::CCC_Type; |
| |
| case Sema::PCC_ParenthesizedExpression: |
| return CodeCompletionContext::CCC_ParenthesizedExpression; |
| |
| case Sema::PCC_LocalDeclarationSpecifiers: |
| return CodeCompletionContext::CCC_Type; |
| } |
| |
| return CodeCompletionContext::CCC_Other; |
| } |
| |
| /// \brief If we're in a C++ virtual member function, add completion results |
| /// that invoke the functions we override, since it's common to invoke the |
| /// overridden function as well as adding new functionality. |
| /// |
| /// \param S The semantic analysis object for which we are generating results. |
| /// |
| /// \param InContext This context in which the nested-name-specifier preceding |
| /// the code-completion point |
| static void MaybeAddOverrideCalls(Sema &S, DeclContext *InContext, |
| ResultBuilder &Results) { |
| // Look through blocks. |
| DeclContext *CurContext = S.CurContext; |
| while (isa<BlockDecl>(CurContext)) |
| CurContext = CurContext->getParent(); |
| |
| |
| CXXMethodDecl *Method = dyn_cast<CXXMethodDecl>(CurContext); |
| if (!Method || !Method->isVirtual()) |
| return; |
| |
| // We need to have names for all of the parameters, if we're going to |
| // generate a forwarding call. |
| for (CXXMethodDecl::param_iterator P = Method->param_begin(), |
| PEnd = Method->param_end(); |
| P != PEnd; |
| ++P) { |
| if (!(*P)->getDeclName()) |
| return; |
| } |
| |
| PrintingPolicy Policy = getCompletionPrintingPolicy(S); |
| for (CXXMethodDecl::method_iterator M = Method->begin_overridden_methods(), |
| MEnd = Method->end_overridden_methods(); |
| M != MEnd; ++M) { |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| CXXMethodDecl *Overridden = const_cast<CXXMethodDecl *>(*M); |
| if (Overridden->getCanonicalDecl() == Method->getCanonicalDecl()) |
| continue; |
| |
| // If we need a nested-name-specifier, add one now. |
| if (!InContext) { |
| NestedNameSpecifier *NNS |
| = getRequiredQualification(S.Context, CurContext, |
| Overridden->getDeclContext()); |
| if (NNS) { |
| std::string Str; |
| llvm::raw_string_ostream OS(Str); |
| NNS->print(OS, Policy); |
| Builder.AddTextChunk(Results.getAllocator().CopyString(OS.str())); |
| } |
| } else if (!InContext->Equals(Overridden->getDeclContext())) |
| continue; |
| |
| Builder.AddTypedTextChunk(Results.getAllocator().CopyString( |
| Overridden->getNameAsString())); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| bool FirstParam = true; |
| for (CXXMethodDecl::param_iterator P = Method->param_begin(), |
| PEnd = Method->param_end(); |
| P != PEnd; ++P) { |
| if (FirstParam) |
| FirstParam = false; |
| else |
| Builder.AddChunk(CodeCompletionString::CK_Comma); |
| |
| Builder.AddPlaceholderChunk(Results.getAllocator().CopyString( |
| (*P)->getIdentifier()->getName())); |
| } |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(CodeCompletionResult(Builder.TakeString(), |
| CCP_SuperCompletion, |
| CXCursor_CXXMethod)); |
| Results.Ignore(Overridden); |
| } |
| } |
| |
| void Sema::CodeCompleteOrdinaryName(Scope *S, |
| ParserCompletionContext CompletionContext) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| mapCodeCompletionContext(*this, CompletionContext)); |
| Results.EnterNewScope(); |
| |
| // Determine how to filter results, e.g., so that the names of |
| // values (functions, enumerators, function templates, etc.) are |
| // only allowed where we can have an expression. |
| switch (CompletionContext) { |
| case PCC_Namespace: |
| case PCC_Class: |
| case PCC_ObjCInterface: |
| case PCC_ObjCImplementation: |
| case PCC_ObjCInstanceVariableList: |
| case PCC_Template: |
| case PCC_MemberTemplate: |
| case PCC_Type: |
| case PCC_LocalDeclarationSpecifiers: |
| Results.setFilter(&ResultBuilder::IsOrdinaryNonValueName); |
| break; |
| |
| case PCC_Statement: |
| case PCC_ParenthesizedExpression: |
| case PCC_Expression: |
| case PCC_ForInit: |
| case PCC_Condition: |
| if (WantTypesInContext(CompletionContext, getLangOptions())) |
| Results.setFilter(&ResultBuilder::IsOrdinaryName); |
| else |
| Results.setFilter(&ResultBuilder::IsOrdinaryNonTypeName); |
| |
| if (getLangOptions().CPlusPlus) |
| MaybeAddOverrideCalls(*this, /*InContext=*/0, Results); |
| break; |
| |
| case PCC_RecoveryInFunction: |
| // Unfiltered |
| break; |
| } |
| |
| // If we are in a C++ non-static member function, check the qualifiers on |
| // the member function to filter/prioritize the results list. |
| if (CXXMethodDecl *CurMethod = dyn_cast<CXXMethodDecl>(CurContext)) |
| if (CurMethod->isInstance()) |
| Results.setObjectTypeQualifiers( |
| Qualifiers::fromCVRMask(CurMethod->getTypeQualifiers())); |
| |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| AddOrdinaryNameResults(CompletionContext, S, *this, Results); |
| Results.ExitScope(); |
| |
| switch (CompletionContext) { |
| case PCC_ParenthesizedExpression: |
| case PCC_Expression: |
| case PCC_Statement: |
| case PCC_RecoveryInFunction: |
| if (S->getFnParent()) |
| AddPrettyFunctionResults(PP.getLangOptions(), Results); |
| break; |
| |
| case PCC_Namespace: |
| case PCC_Class: |
| case PCC_ObjCInterface: |
| case PCC_ObjCImplementation: |
| case PCC_ObjCInstanceVariableList: |
| case PCC_Template: |
| case PCC_MemberTemplate: |
| case PCC_ForInit: |
| case PCC_Condition: |
| case PCC_Type: |
| case PCC_LocalDeclarationSpecifiers: |
| break; |
| } |
| |
| if (CodeCompleter->includeMacros()) |
| AddMacroResults(PP, Results); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| static void AddClassMessageCompletions(Sema &SemaRef, Scope *S, |
| ParsedType Receiver, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression, |
| bool IsSuper, |
| ResultBuilder &Results); |
| |
| void Sema::CodeCompleteDeclSpec(Scope *S, DeclSpec &DS, |
| bool AllowNonIdentifiers, |
| bool AllowNestedNameSpecifiers) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| AllowNestedNameSpecifiers |
| ? CodeCompletionContext::CCC_PotentiallyQualifiedName |
| : CodeCompletionContext::CCC_Name); |
| Results.EnterNewScope(); |
| |
| // Type qualifiers can come after names. |
| Results.AddResult(Result("const")); |
| Results.AddResult(Result("volatile")); |
| if (getLangOptions().C99) |
| Results.AddResult(Result("restrict")); |
| |
| if (getLangOptions().CPlusPlus) { |
| if (AllowNonIdentifiers) { |
| Results.AddResult(Result("operator")); |
| } |
| |
| // Add nested-name-specifiers. |
| if (AllowNestedNameSpecifiers) { |
| Results.allowNestedNameSpecifiers(); |
| Results.setFilter(&ResultBuilder::IsImpossibleToSatisfy); |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupNestedNameSpecifierName, Consumer, |
| CodeCompleter->includeGlobals()); |
| Results.setFilter(0); |
| } |
| } |
| Results.ExitScope(); |
| |
| // If we're in a context where we might have an expression (rather than a |
| // declaration), and what we've seen so far is an Objective-C type that could |
| // be a receiver of a class message, this may be a class message send with |
| // the initial opening bracket '[' missing. Add appropriate completions. |
| if (AllowNonIdentifiers && !AllowNestedNameSpecifiers && |
| DS.getTypeSpecType() == DeclSpec::TST_typename && |
| DS.getStorageClassSpecAsWritten() == DeclSpec::SCS_unspecified && |
| !DS.isThreadSpecified() && !DS.isExternInLinkageSpec() && |
| DS.getTypeSpecComplex() == DeclSpec::TSC_unspecified && |
| DS.getTypeSpecSign() == DeclSpec::TSS_unspecified && |
| DS.getTypeQualifiers() == 0 && |
| S && |
| (S->getFlags() & Scope::DeclScope) != 0 && |
| (S->getFlags() & (Scope::ClassScope | Scope::TemplateParamScope | |
| Scope::FunctionPrototypeScope | |
| Scope::AtCatchScope)) == 0) { |
| ParsedType T = DS.getRepAsType(); |
| if (!T.get().isNull() && T.get()->isObjCObjectOrInterfaceType()) |
| AddClassMessageCompletions(*this, S, T, 0, 0, false, false, Results); |
| } |
| |
| // Note that we intentionally suppress macro results here, since we do not |
| // encourage using macros to produce the names of entities. |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(), Results.size()); |
| } |
| |
| struct Sema::CodeCompleteExpressionData { |
| CodeCompleteExpressionData(QualType PreferredType = QualType()) |
| : PreferredType(PreferredType), IntegralConstantExpression(false), |
| ObjCCollection(false) { } |
| |
| QualType PreferredType; |
| bool IntegralConstantExpression; |
| bool ObjCCollection; |
| SmallVector<Decl *, 4> IgnoreDecls; |
| }; |
| |
| /// \brief Perform code-completion in an expression context when we know what |
| /// type we're looking for. |
| /// |
| /// \param IntegralConstantExpression Only permit integral constant |
| /// expressions. |
| void Sema::CodeCompleteExpression(Scope *S, |
| const CodeCompleteExpressionData &Data) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Expression); |
| if (Data.ObjCCollection) |
| Results.setFilter(&ResultBuilder::IsObjCCollection); |
| else if (Data.IntegralConstantExpression) |
| Results.setFilter(&ResultBuilder::IsIntegralConstantValue); |
| else if (WantTypesInContext(PCC_Expression, getLangOptions())) |
| Results.setFilter(&ResultBuilder::IsOrdinaryName); |
| else |
| Results.setFilter(&ResultBuilder::IsOrdinaryNonTypeName); |
| |
| if (!Data.PreferredType.isNull()) |
| Results.setPreferredType(Data.PreferredType.getNonReferenceType()); |
| |
| // Ignore any declarations that we were told that we don't care about. |
| for (unsigned I = 0, N = Data.IgnoreDecls.size(); I != N; ++I) |
| Results.Ignore(Data.IgnoreDecls[I]); |
| |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| Results.EnterNewScope(); |
| AddOrdinaryNameResults(PCC_Expression, S, *this, Results); |
| Results.ExitScope(); |
| |
| bool PreferredTypeIsPointer = false; |
| if (!Data.PreferredType.isNull()) |
| PreferredTypeIsPointer = Data.PreferredType->isAnyPointerType() |
| || Data.PreferredType->isMemberPointerType() |
| || Data.PreferredType->isBlockPointerType(); |
| |
| if (S->getFnParent() && |
| !Data.ObjCCollection && |
| !Data.IntegralConstantExpression) |
| AddPrettyFunctionResults(PP.getLangOptions(), Results); |
| |
| if (CodeCompleter->includeMacros()) |
| AddMacroResults(PP, Results, PreferredTypeIsPointer); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext(CodeCompletionContext::CCC_Expression, |
| Data.PreferredType), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompletePostfixExpression(Scope *S, ExprResult E) { |
| if (E.isInvalid()) |
| CodeCompleteOrdinaryName(S, PCC_RecoveryInFunction); |
| else if (getLangOptions().ObjC1) |
| CodeCompleteObjCInstanceMessage(S, E.take(), 0, 0, false); |
| } |
| |
| /// \brief The set of properties that have already been added, referenced by |
| /// property name. |
| typedef llvm::SmallPtrSet<IdentifierInfo*, 16> AddedPropertiesSet; |
| |
| static void AddObjCProperties(ObjCContainerDecl *Container, |
| bool AllowCategories, |
| bool AllowNullaryMethods, |
| DeclContext *CurContext, |
| AddedPropertiesSet &AddedProperties, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| |
| // Add properties in this container. |
| for (ObjCContainerDecl::prop_iterator P = Container->prop_begin(), |
| PEnd = Container->prop_end(); |
| P != PEnd; |
| ++P) { |
| if (AddedProperties.insert(P->getIdentifier())) |
| Results.MaybeAddResult(Result(*P, 0), CurContext); |
| } |
| |
| // Add nullary methods |
| if (AllowNullaryMethods) { |
| ASTContext &Context = Container->getASTContext(); |
| PrintingPolicy Policy = getCompletionPrintingPolicy(Results.getSema()); |
| for (ObjCContainerDecl::method_iterator M = Container->meth_begin(), |
| MEnd = Container->meth_end(); |
| M != MEnd; ++M) { |
| if (M->getSelector().isUnarySelector()) |
| if (IdentifierInfo *Name = M->getSelector().getIdentifierInfoForSlot(0)) |
| if (AddedProperties.insert(Name)) { |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| AddResultTypeChunk(Context, Policy, *M, Builder); |
| Builder.AddTypedTextChunk( |
| Results.getAllocator().CopyString(Name->getName())); |
| |
| CXAvailabilityKind Availability = CXAvailability_Available; |
| switch (M->getAvailability()) { |
| case AR_Available: |
| case AR_NotYetIntroduced: |
| Availability = CXAvailability_Available; |
| break; |
| |
| case AR_Deprecated: |
| Availability = CXAvailability_Deprecated; |
| break; |
| |
| case AR_Unavailable: |
| Availability = CXAvailability_NotAvailable; |
| break; |
| } |
| |
| Results.MaybeAddResult(Result(Builder.TakeString(), |
| CCP_MemberDeclaration + CCD_MethodAsProperty, |
| M->isInstanceMethod() |
| ? CXCursor_ObjCInstanceMethodDecl |
| : CXCursor_ObjCClassMethodDecl, |
| Availability), |
| CurContext); |
| } |
| } |
| } |
| |
| |
| // Add properties in referenced protocols. |
| if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) { |
| for (ObjCProtocolDecl::protocol_iterator P = Protocol->protocol_begin(), |
| PEnd = Protocol->protocol_end(); |
| P != PEnd; ++P) |
| AddObjCProperties(*P, AllowCategories, AllowNullaryMethods, CurContext, |
| AddedProperties, Results); |
| } else if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(Container)){ |
| if (AllowCategories) { |
| // Look through categories. |
| for (ObjCCategoryDecl *Category = IFace->getCategoryList(); |
| Category; Category = Category->getNextClassCategory()) |
| AddObjCProperties(Category, AllowCategories, AllowNullaryMethods, |
| CurContext, AddedProperties, Results); |
| } |
| |
| // Look through protocols. |
| for (ObjCInterfaceDecl::all_protocol_iterator |
| I = IFace->all_referenced_protocol_begin(), |
| E = IFace->all_referenced_protocol_end(); I != E; ++I) |
| AddObjCProperties(*I, AllowCategories, AllowNullaryMethods, CurContext, |
| AddedProperties, Results); |
| |
| // Look in the superclass. |
| if (IFace->getSuperClass()) |
| AddObjCProperties(IFace->getSuperClass(), AllowCategories, |
| AllowNullaryMethods, CurContext, |
| AddedProperties, Results); |
| } else if (const ObjCCategoryDecl *Category |
| = dyn_cast<ObjCCategoryDecl>(Container)) { |
| // Look through protocols. |
| for (ObjCCategoryDecl::protocol_iterator P = Category->protocol_begin(), |
| PEnd = Category->protocol_end(); |
| P != PEnd; ++P) |
| AddObjCProperties(*P, AllowCategories, AllowNullaryMethods, CurContext, |
| AddedProperties, Results); |
| } |
| } |
| |
| void Sema::CodeCompleteMemberReferenceExpr(Scope *S, Expr *BaseE, |
| SourceLocation OpLoc, |
| bool IsArrow) { |
| if (!BaseE || !CodeCompleter) |
| return; |
| |
| typedef CodeCompletionResult Result; |
| |
| Expr *Base = static_cast<Expr *>(BaseE); |
| QualType BaseType = Base->getType(); |
| |
| if (IsArrow) { |
| if (const PointerType *Ptr = BaseType->getAs<PointerType>()) |
| BaseType = Ptr->getPointeeType(); |
| else if (BaseType->isObjCObjectPointerType()) |
| /*Do nothing*/ ; |
| else |
| return; |
| } |
| |
| enum CodeCompletionContext::Kind contextKind; |
| |
| if (IsArrow) { |
| contextKind = CodeCompletionContext::CCC_ArrowMemberAccess; |
| } |
| else { |
| if (BaseType->isObjCObjectPointerType() || |
| BaseType->isObjCObjectOrInterfaceType()) { |
| contextKind = CodeCompletionContext::CCC_ObjCPropertyAccess; |
| } |
| else { |
| contextKind = CodeCompletionContext::CCC_DotMemberAccess; |
| } |
| } |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext(contextKind, |
| BaseType), |
| &ResultBuilder::IsMember); |
| Results.EnterNewScope(); |
| if (const RecordType *Record = BaseType->getAs<RecordType>()) { |
| // Indicate that we are performing a member access, and the cv-qualifiers |
| // for the base object type. |
| Results.setObjectTypeQualifiers(BaseType.getQualifiers()); |
| |
| // Access to a C/C++ class, struct, or union. |
| Results.allowNestedNameSpecifiers(); |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(Record->getDecl(), LookupMemberName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| if (getLangOptions().CPlusPlus) { |
| if (!Results.empty()) { |
| // The "template" keyword can follow "->" or "." in the grammar. |
| // However, we only want to suggest the template keyword if something |
| // is dependent. |
| bool IsDependent = BaseType->isDependentType(); |
| if (!IsDependent) { |
| for (Scope *DepScope = S; DepScope; DepScope = DepScope->getParent()) |
| if (DeclContext *Ctx = (DeclContext *)DepScope->getEntity()) { |
| IsDependent = Ctx->isDependentContext(); |
| break; |
| } |
| } |
| |
| if (IsDependent) |
| Results.AddResult(Result("template")); |
| } |
| } |
| } else if (!IsArrow && BaseType->getAsObjCInterfacePointerType()) { |
| // Objective-C property reference. |
| AddedPropertiesSet AddedProperties; |
| |
| // Add property results based on our interface. |
| const ObjCObjectPointerType *ObjCPtr |
| = BaseType->getAsObjCInterfacePointerType(); |
| assert(ObjCPtr && "Non-NULL pointer guaranteed above!"); |
| AddObjCProperties(ObjCPtr->getInterfaceDecl(), true, |
| /*AllowNullaryMethods=*/true, CurContext, |
| AddedProperties, Results); |
| |
| // Add properties from the protocols in a qualified interface. |
| for (ObjCObjectPointerType::qual_iterator I = ObjCPtr->qual_begin(), |
| E = ObjCPtr->qual_end(); |
| I != E; ++I) |
| AddObjCProperties(*I, true, /*AllowNullaryMethods=*/true, CurContext, |
| AddedProperties, Results); |
| } else if ((IsArrow && BaseType->isObjCObjectPointerType()) || |
| (!IsArrow && BaseType->isObjCObjectType())) { |
| // Objective-C instance variable access. |
| ObjCInterfaceDecl *Class = 0; |
| if (const ObjCObjectPointerType *ObjCPtr |
| = BaseType->getAs<ObjCObjectPointerType>()) |
| Class = ObjCPtr->getInterfaceDecl(); |
| else |
| Class = BaseType->getAs<ObjCObjectType>()->getInterface(); |
| |
| // Add all ivars from this class and its superclasses. |
| if (Class) { |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| Results.setFilter(&ResultBuilder::IsObjCIvar); |
| LookupVisibleDecls(Class, LookupMemberName, Consumer, |
| CodeCompleter->includeGlobals()); |
| } |
| } |
| |
| // FIXME: How do we cope with isa? |
| |
| Results.ExitScope(); |
| |
| // Hand off the results found for code completion. |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteTag(Scope *S, unsigned TagSpec) { |
| if (!CodeCompleter) |
| return; |
| |
| typedef CodeCompletionResult Result; |
| ResultBuilder::LookupFilter Filter = 0; |
| enum CodeCompletionContext::Kind ContextKind |
| = CodeCompletionContext::CCC_Other; |
| switch ((DeclSpec::TST)TagSpec) { |
| case DeclSpec::TST_enum: |
| Filter = &ResultBuilder::IsEnum; |
| ContextKind = CodeCompletionContext::CCC_EnumTag; |
| break; |
| |
| case DeclSpec::TST_union: |
| Filter = &ResultBuilder::IsUnion; |
| ContextKind = CodeCompletionContext::CCC_UnionTag; |
| break; |
| |
| case DeclSpec::TST_struct: |
| case DeclSpec::TST_class: |
| Filter = &ResultBuilder::IsClassOrStruct; |
| ContextKind = CodeCompletionContext::CCC_ClassOrStructTag; |
| break; |
| |
| default: |
| llvm_unreachable("Unknown type specifier kind in CodeCompleteTag"); |
| } |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), ContextKind); |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| |
| // First pass: look for tags. |
| Results.setFilter(Filter); |
| LookupVisibleDecls(S, LookupTagName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| if (CodeCompleter->includeGlobals()) { |
| // Second pass: look for nested name specifiers. |
| Results.setFilter(&ResultBuilder::IsNestedNameSpecifier); |
| LookupVisibleDecls(S, LookupNestedNameSpecifierName, Consumer); |
| } |
| |
| HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteTypeQualifiers(DeclSpec &DS) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_TypeQualifiers); |
| Results.EnterNewScope(); |
| if (!(DS.getTypeQualifiers() & DeclSpec::TQ_const)) |
| Results.AddResult("const"); |
| if (!(DS.getTypeQualifiers() & DeclSpec::TQ_volatile)) |
| Results.AddResult("volatile"); |
| if (getLangOptions().C99 && |
| !(DS.getTypeQualifiers() & DeclSpec::TQ_restrict)) |
| Results.AddResult("restrict"); |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(), Results.size()); |
| } |
| |
| void Sema::CodeCompleteCase(Scope *S) { |
| if (getCurFunction()->SwitchStack.empty() || !CodeCompleter) |
| return; |
| |
| SwitchStmt *Switch = getCurFunction()->SwitchStack.back(); |
| QualType type = Switch->getCond()->IgnoreImplicit()->getType(); |
| if (!type->isEnumeralType()) { |
| CodeCompleteExpressionData Data(type); |
| Data.IntegralConstantExpression = true; |
| CodeCompleteExpression(S, Data); |
| return; |
| } |
| |
| // Code-complete the cases of a switch statement over an enumeration type |
| // by providing the list of |
| EnumDecl *Enum = type->castAs<EnumType>()->getDecl(); |
| |
| // Determine which enumerators we have already seen in the switch statement. |
| // FIXME: Ideally, we would also be able to look *past* the code-completion |
| // token, in case we are code-completing in the middle of the switch and not |
| // at the end. However, we aren't able to do so at the moment. |
| llvm::SmallPtrSet<EnumConstantDecl *, 8> EnumeratorsSeen; |
| NestedNameSpecifier *Qualifier = 0; |
| for (SwitchCase *SC = Switch->getSwitchCaseList(); SC; |
| SC = SC->getNextSwitchCase()) { |
| CaseStmt *Case = dyn_cast<CaseStmt>(SC); |
| if (!Case) |
| continue; |
| |
| Expr *CaseVal = Case->getLHS()->IgnoreParenCasts(); |
| if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(CaseVal)) |
| if (EnumConstantDecl *Enumerator |
| = dyn_cast<EnumConstantDecl>(DRE->getDecl())) { |
| // We look into the AST of the case statement to determine which |
| // enumerator was named. Alternatively, we could compute the value of |
| // the integral constant expression, then compare it against the |
| // values of each enumerator. However, value-based approach would not |
| // work as well with C++ templates where enumerators declared within a |
| // template are type- and value-dependent. |
| EnumeratorsSeen.insert(Enumerator); |
| |
| // If this is a qualified-id, keep track of the nested-name-specifier |
| // so that we can reproduce it as part of code completion, e.g., |
| // |
| // switch (TagD.getKind()) { |
| // case TagDecl::TK_enum: |
| // break; |
| // case XXX |
| // |
| // At the XXX, our completions are TagDecl::TK_union, |
| // TagDecl::TK_struct, and TagDecl::TK_class, rather than TK_union, |
| // TK_struct, and TK_class. |
| Qualifier = DRE->getQualifier(); |
| } |
| } |
| |
| if (getLangOptions().CPlusPlus && !Qualifier && EnumeratorsSeen.empty()) { |
| // If there are no prior enumerators in C++, check whether we have to |
| // qualify the names of the enumerators that we suggest, because they |
| // may not be visible in this scope. |
| Qualifier = getRequiredQualification(Context, CurContext, |
| Enum->getDeclContext()); |
| |
| // FIXME: Scoped enums need to start with "EnumDecl" as the context! |
| } |
| |
| // Add any enumerators that have not yet been mentioned. |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Expression); |
| Results.EnterNewScope(); |
| for (EnumDecl::enumerator_iterator E = Enum->enumerator_begin(), |
| EEnd = Enum->enumerator_end(); |
| E != EEnd; ++E) { |
| if (EnumeratorsSeen.count(*E)) |
| continue; |
| |
| CodeCompletionResult R(*E, Qualifier); |
| R.Priority = CCP_EnumInCase; |
| Results.AddResult(R, CurContext, 0, false); |
| } |
| Results.ExitScope(); |
| |
| //We need to make sure we're setting the right context, |
| //so only say we include macros if the code completer says we do |
| enum CodeCompletionContext::Kind kind = CodeCompletionContext::CCC_Other; |
| if (CodeCompleter->includeMacros()) { |
| AddMacroResults(PP, Results); |
| kind = CodeCompletionContext::CCC_OtherWithMacros; |
| } |
| |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| kind, |
| Results.data(),Results.size()); |
| } |
| |
| namespace { |
| struct IsBetterOverloadCandidate { |
| Sema &S; |
| SourceLocation Loc; |
| |
| public: |
| explicit IsBetterOverloadCandidate(Sema &S, SourceLocation Loc) |
| : S(S), Loc(Loc) { } |
| |
| bool |
| operator()(const OverloadCandidate &X, const OverloadCandidate &Y) const { |
| return isBetterOverloadCandidate(S, X, Y, Loc); |
| } |
| }; |
| } |
| |
| static bool anyNullArguments(Expr **Args, unsigned NumArgs) { |
| if (NumArgs && !Args) |
| return true; |
| |
| for (unsigned I = 0; I != NumArgs; ++I) |
| if (!Args[I]) |
| return true; |
| |
| return false; |
| } |
| |
| void Sema::CodeCompleteCall(Scope *S, Expr *FnIn, |
| Expr **ArgsIn, unsigned NumArgs) { |
| if (!CodeCompleter) |
| return; |
| |
| // When we're code-completing for a call, we fall back to ordinary |
| // name code-completion whenever we can't produce specific |
| // results. We may want to revisit this strategy in the future, |
| // e.g., by merging the two kinds of results. |
| |
| Expr *Fn = (Expr *)FnIn; |
| Expr **Args = (Expr **)ArgsIn; |
| |
| // Ignore type-dependent call expressions entirely. |
| if (!Fn || Fn->isTypeDependent() || anyNullArguments(Args, NumArgs) || |
| Expr::hasAnyTypeDependentArguments(Args, NumArgs)) { |
| CodeCompleteOrdinaryName(S, PCC_Expression); |
| return; |
| } |
| |
| // Build an overload candidate set based on the functions we find. |
| SourceLocation Loc = Fn->getExprLoc(); |
| OverloadCandidateSet CandidateSet(Loc); |
| |
| // FIXME: What if we're calling something that isn't a function declaration? |
| // FIXME: What if we're calling a pseudo-destructor? |
| // FIXME: What if we're calling a member function? |
| |
| typedef CodeCompleteConsumer::OverloadCandidate ResultCandidate; |
| SmallVector<ResultCandidate, 8> Results; |
| |
| Expr *NakedFn = Fn->IgnoreParenCasts(); |
| if (UnresolvedLookupExpr *ULE = dyn_cast<UnresolvedLookupExpr>(NakedFn)) |
| AddOverloadedCallCandidates(ULE, Args, NumArgs, CandidateSet, |
| /*PartialOverloading=*/ true); |
| else if (DeclRefExpr *DRE = dyn_cast<DeclRefExpr>(NakedFn)) { |
| FunctionDecl *FDecl = dyn_cast<FunctionDecl>(DRE->getDecl()); |
| if (FDecl) { |
| if (!getLangOptions().CPlusPlus || |
| !FDecl->getType()->getAs<FunctionProtoType>()) |
| Results.push_back(ResultCandidate(FDecl)); |
| else |
| // FIXME: access? |
| AddOverloadCandidate(FDecl, DeclAccessPair::make(FDecl, AS_none), |
| Args, NumArgs, CandidateSet, |
| false, /*PartialOverloading*/true); |
| } |
| } |
| |
| QualType ParamType; |
| |
| if (!CandidateSet.empty()) { |
| // Sort the overload candidate set by placing the best overloads first. |
| std::stable_sort(CandidateSet.begin(), CandidateSet.end(), |
| IsBetterOverloadCandidate(*this, Loc)); |
| |
| // Add the remaining viable overload candidates as code-completion reslults. |
| for (OverloadCandidateSet::iterator Cand = CandidateSet.begin(), |
| CandEnd = CandidateSet.end(); |
| Cand != CandEnd; ++Cand) { |
| if (Cand->Viable) |
| Results.push_back(ResultCandidate(Cand->Function)); |
| } |
| |
| // From the viable candidates, try to determine the type of this parameter. |
| for (unsigned I = 0, N = Results.size(); I != N; ++I) { |
| if (const FunctionType *FType = Results[I].getFunctionType()) |
| if (const FunctionProtoType *Proto = dyn_cast<FunctionProtoType>(FType)) |
| if (NumArgs < Proto->getNumArgs()) { |
| if (ParamType.isNull()) |
| ParamType = Proto->getArgType(NumArgs); |
| else if (!Context.hasSameUnqualifiedType( |
| ParamType.getNonReferenceType(), |
| Proto->getArgType(NumArgs).getNonReferenceType())) { |
| ParamType = QualType(); |
| break; |
| } |
| } |
| } |
| } else { |
| // Try to determine the parameter type from the type of the expression |
| // being called. |
| QualType FunctionType = Fn->getType(); |
| if (const PointerType *Ptr = FunctionType->getAs<PointerType>()) |
| FunctionType = Ptr->getPointeeType(); |
| else if (const BlockPointerType *BlockPtr |
| = FunctionType->getAs<BlockPointerType>()) |
| FunctionType = BlockPtr->getPointeeType(); |
| else if (const MemberPointerType *MemPtr |
| = FunctionType->getAs<MemberPointerType>()) |
| FunctionType = MemPtr->getPointeeType(); |
| |
| if (const FunctionProtoType *Proto |
| = FunctionType->getAs<FunctionProtoType>()) { |
| if (NumArgs < Proto->getNumArgs()) |
| ParamType = Proto->getArgType(NumArgs); |
| } |
| } |
| |
| if (ParamType.isNull()) |
| CodeCompleteOrdinaryName(S, PCC_Expression); |
| else |
| CodeCompleteExpression(S, ParamType); |
| |
| if (!Results.empty()) |
| CodeCompleter->ProcessOverloadCandidates(*this, NumArgs, Results.data(), |
| Results.size()); |
| } |
| |
| void Sema::CodeCompleteInitializer(Scope *S, Decl *D) { |
| ValueDecl *VD = dyn_cast_or_null<ValueDecl>(D); |
| if (!VD) { |
| CodeCompleteOrdinaryName(S, PCC_Expression); |
| return; |
| } |
| |
| CodeCompleteExpression(S, VD->getType()); |
| } |
| |
| void Sema::CodeCompleteReturn(Scope *S) { |
| QualType ResultType; |
| if (isa<BlockDecl>(CurContext)) { |
| if (BlockScopeInfo *BSI = getCurBlock()) |
| ResultType = BSI->ReturnType; |
| } else if (FunctionDecl *Function = dyn_cast<FunctionDecl>(CurContext)) |
| ResultType = Function->getResultType(); |
| else if (ObjCMethodDecl *Method = dyn_cast<ObjCMethodDecl>(CurContext)) |
| ResultType = Method->getResultType(); |
| |
| if (ResultType.isNull()) |
| CodeCompleteOrdinaryName(S, PCC_Expression); |
| else |
| CodeCompleteExpression(S, ResultType); |
| } |
| |
| void Sema::CodeCompleteAfterIf(Scope *S) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| mapCodeCompletionContext(*this, PCC_Statement)); |
| Results.setFilter(&ResultBuilder::IsOrdinaryName); |
| Results.EnterNewScope(); |
| |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| AddOrdinaryNameResults(PCC_Statement, S, *this, Results); |
| |
| // "else" block |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| Builder.AddTypedTextChunk("else"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Builder.TakeString()); |
| |
| // "else if" block |
| Builder.AddTypedTextChunk("else"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("if"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| if (getLangOptions().CPlusPlus) |
| Builder.AddPlaceholderChunk("condition"); |
| else |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Builder.TakeString()); |
| |
| Results.ExitScope(); |
| |
| if (S->getFnParent()) |
| AddPrettyFunctionResults(PP.getLangOptions(), Results); |
| |
| if (CodeCompleter->includeMacros()) |
| AddMacroResults(PP, Results); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteAssignmentRHS(Scope *S, Expr *LHS) { |
| if (LHS) |
| CodeCompleteExpression(S, static_cast<Expr *>(LHS)->getType()); |
| else |
| CodeCompleteOrdinaryName(S, PCC_Expression); |
| } |
| |
| void Sema::CodeCompleteQualifiedId(Scope *S, CXXScopeSpec &SS, |
| bool EnteringContext) { |
| if (!SS.getScopeRep() || !CodeCompleter) |
| return; |
| |
| DeclContext *Ctx = computeDeclContext(SS, EnteringContext); |
| if (!Ctx) |
| return; |
| |
| // Try to instantiate any non-dependent declaration contexts before |
| // we look in them. |
| if (!isDependentScopeSpecifier(SS) && RequireCompleteDeclContext(SS, Ctx)) |
| return; |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Name); |
| Results.EnterNewScope(); |
| |
| // The "template" keyword can follow "::" in the grammar, but only |
| // put it into the grammar if the nested-name-specifier is dependent. |
| NestedNameSpecifier *NNS = (NestedNameSpecifier *)SS.getScopeRep(); |
| if (!Results.empty() && NNS->isDependent()) |
| Results.AddResult("template"); |
| |
| // Add calls to overridden virtual functions, if there are any. |
| // |
| // FIXME: This isn't wonderful, because we don't know whether we're actually |
| // in a context that permits expressions. This is a general issue with |
| // qualified-id completions. |
| if (!EnteringContext) |
| MaybeAddOverrideCalls(*this, Ctx, Results); |
| Results.ExitScope(); |
| |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(Ctx, LookupOrdinaryName, Consumer); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteUsing(Scope *S) { |
| if (!CodeCompleter) |
| return; |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_PotentiallyQualifiedName, |
| &ResultBuilder::IsNestedNameSpecifier); |
| Results.EnterNewScope(); |
| |
| // If we aren't in class scope, we could see the "namespace" keyword. |
| if (!S->isClassScope()) |
| Results.AddResult(CodeCompletionResult("namespace")); |
| |
| // After "using", we can see anything that would start a |
| // nested-name-specifier. |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_PotentiallyQualifiedName, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteUsingDirective(Scope *S) { |
| if (!CodeCompleter) |
| return; |
| |
| // After "using namespace", we expect to see a namespace name or namespace |
| // alias. |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Namespace, |
| &ResultBuilder::IsNamespaceOrAlias); |
| Results.EnterNewScope(); |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Namespace, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteNamespaceDecl(Scope *S) { |
| if (!CodeCompleter) |
| return; |
| |
| DeclContext *Ctx = (DeclContext *)S->getEntity(); |
| if (!S->getParent()) |
| Ctx = Context.getTranslationUnitDecl(); |
| |
| bool SuppressedGlobalResults |
| = Ctx && !CodeCompleter->includeGlobals() && isa<TranslationUnitDecl>(Ctx); |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| SuppressedGlobalResults |
| ? CodeCompletionContext::CCC_Namespace |
| : CodeCompletionContext::CCC_Other, |
| &ResultBuilder::IsNamespace); |
| |
| if (Ctx && Ctx->isFileContext() && !SuppressedGlobalResults) { |
| // We only want to see those namespaces that have already been defined |
| // within this scope, because its likely that the user is creating an |
| // extended namespace declaration. Keep track of the most recent |
| // definition of each namespace. |
| std::map<NamespaceDecl *, NamespaceDecl *> OrigToLatest; |
| for (DeclContext::specific_decl_iterator<NamespaceDecl> |
| NS(Ctx->decls_begin()), NSEnd(Ctx->decls_end()); |
| NS != NSEnd; ++NS) |
| OrigToLatest[NS->getOriginalNamespace()] = *NS; |
| |
| // Add the most recent definition (or extended definition) of each |
| // namespace to the list of results. |
| Results.EnterNewScope(); |
| for (std::map<NamespaceDecl *, NamespaceDecl *>::iterator |
| NS = OrigToLatest.begin(), NSEnd = OrigToLatest.end(); |
| NS != NSEnd; ++NS) |
| Results.AddResult(CodeCompletionResult(NS->second, 0), |
| CurContext, 0, false); |
| Results.ExitScope(); |
| } |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteNamespaceAliasDecl(Scope *S) { |
| if (!CodeCompleter) |
| return; |
| |
| // After "namespace", we expect to see a namespace or alias. |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Namespace, |
| &ResultBuilder::IsNamespaceOrAlias); |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteOperatorName(Scope *S) { |
| if (!CodeCompleter) |
| return; |
| |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Type, |
| &ResultBuilder::IsType); |
| Results.EnterNewScope(); |
| |
| // Add the names of overloadable operators. |
| #define OVERLOADED_OPERATOR(Name,Spelling,Token,Unary,Binary,MemberOnly) \ |
| if (std::strcmp(Spelling, "?")) \ |
| Results.AddResult(Result(Spelling)); |
| #include "clang/Basic/OperatorKinds.def" |
| |
| // Add any type names visible from the current scope |
| Results.allowNestedNameSpecifiers(); |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| // Add any type specifiers |
| AddTypeSpecifierResults(getLangOptions(), Results); |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Type, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteConstructorInitializer(Decl *ConstructorD, |
| CXXCtorInitializer** Initializers, |
| unsigned NumInitializers) { |
| PrintingPolicy Policy = getCompletionPrintingPolicy(*this); |
| CXXConstructorDecl *Constructor |
| = static_cast<CXXConstructorDecl *>(ConstructorD); |
| if (!Constructor) |
| return; |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_PotentiallyQualifiedName); |
| Results.EnterNewScope(); |
| |
| // Fill in any already-initialized fields or base classes. |
| llvm::SmallPtrSet<FieldDecl *, 4> InitializedFields; |
| llvm::SmallPtrSet<CanQualType, 4> InitializedBases; |
| for (unsigned I = 0; I != NumInitializers; ++I) { |
| if (Initializers[I]->isBaseInitializer()) |
| InitializedBases.insert( |
| Context.getCanonicalType(QualType(Initializers[I]->getBaseClass(), 0))); |
| else |
| InitializedFields.insert(cast<FieldDecl>( |
| Initializers[I]->getAnyMember())); |
| } |
| |
| // Add completions for base classes. |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| bool SawLastInitializer = (NumInitializers == 0); |
| CXXRecordDecl *ClassDecl = Constructor->getParent(); |
| for (CXXRecordDecl::base_class_iterator Base = ClassDecl->bases_begin(), |
| BaseEnd = ClassDecl->bases_end(); |
| Base != BaseEnd; ++Base) { |
| if (!InitializedBases.insert(Context.getCanonicalType(Base->getType()))) { |
| SawLastInitializer |
| = NumInitializers > 0 && |
| Initializers[NumInitializers - 1]->isBaseInitializer() && |
| Context.hasSameUnqualifiedType(Base->getType(), |
| QualType(Initializers[NumInitializers - 1]->getBaseClass(), 0)); |
| continue; |
| } |
| |
| Builder.AddTypedTextChunk( |
| Results.getAllocator().CopyString( |
| Base->getType().getAsString(Policy))); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("args"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(CodeCompletionResult(Builder.TakeString(), |
| SawLastInitializer? CCP_NextInitializer |
| : CCP_MemberDeclaration)); |
| SawLastInitializer = false; |
| } |
| |
| // Add completions for virtual base classes. |
| for (CXXRecordDecl::base_class_iterator Base = ClassDecl->vbases_begin(), |
| BaseEnd = ClassDecl->vbases_end(); |
| Base != BaseEnd; ++Base) { |
| if (!InitializedBases.insert(Context.getCanonicalType(Base->getType()))) { |
| SawLastInitializer |
| = NumInitializers > 0 && |
| Initializers[NumInitializers - 1]->isBaseInitializer() && |
| Context.hasSameUnqualifiedType(Base->getType(), |
| QualType(Initializers[NumInitializers - 1]->getBaseClass(), 0)); |
| continue; |
| } |
| |
| Builder.AddTypedTextChunk( |
| Builder.getAllocator().CopyString( |
| Base->getType().getAsString(Policy))); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("args"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(CodeCompletionResult(Builder.TakeString(), |
| SawLastInitializer? CCP_NextInitializer |
| : CCP_MemberDeclaration)); |
| SawLastInitializer = false; |
| } |
| |
| // Add completions for members. |
| for (CXXRecordDecl::field_iterator Field = ClassDecl->field_begin(), |
| FieldEnd = ClassDecl->field_end(); |
| Field != FieldEnd; ++Field) { |
| if (!InitializedFields.insert(cast<FieldDecl>(Field->getCanonicalDecl()))) { |
| SawLastInitializer |
| = NumInitializers > 0 && |
| Initializers[NumInitializers - 1]->isAnyMemberInitializer() && |
| Initializers[NumInitializers - 1]->getAnyMember() == *Field; |
| continue; |
| } |
| |
| if (!Field->getDeclName()) |
| continue; |
| |
| Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( |
| Field->getIdentifier()->getName())); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("args"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(CodeCompletionResult(Builder.TakeString(), |
| SawLastInitializer? CCP_NextInitializer |
| : CCP_MemberDeclaration, |
| CXCursor_MemberRef)); |
| SawLastInitializer = false; |
| } |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(), |
| Results.data(), Results.size()); |
| } |
| |
| // Macro that expands to @Keyword or Keyword, depending on whether NeedAt is |
| // true or false. |
| #define OBJC_AT_KEYWORD_NAME(NeedAt,Keyword) NeedAt? "@" #Keyword : #Keyword |
| static void AddObjCImplementationResults(const LangOptions &LangOpts, |
| ResultBuilder &Results, |
| bool NeedAt) { |
| typedef CodeCompletionResult Result; |
| // Since we have an implementation, we can end it. |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,end))); |
| |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| if (LangOpts.ObjC2) { |
| // @dynamic |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,dynamic)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("property"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // @synthesize |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,synthesize)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("property"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| |
| static void AddObjCInterfaceResults(const LangOptions &LangOpts, |
| ResultBuilder &Results, |
| bool NeedAt) { |
| typedef CodeCompletionResult Result; |
| |
| // Since we have an interface or protocol, we can end it. |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,end))); |
| |
| if (LangOpts.ObjC2) { |
| // @property |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,property))); |
| |
| // @required |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,required))); |
| |
| // @optional |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,optional))); |
| } |
| } |
| |
| static void AddObjCTopLevelResults(ResultBuilder &Results, bool NeedAt) { |
| typedef CodeCompletionResult Result; |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| |
| // @class name ; |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,class)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("name"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| if (Results.includeCodePatterns()) { |
| // @interface name |
| // FIXME: Could introduce the whole pattern, including superclasses and |
| // such. |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,interface)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("class"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // @protocol name |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,protocol)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("protocol"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // @implementation name |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,implementation)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("class"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // @compatibility_alias name |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,compatibility_alias)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("alias"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("class"); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| void Sema::CodeCompleteObjCAtDirective(Scope *S) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| if (isa<ObjCImplDecl>(CurContext)) |
| AddObjCImplementationResults(getLangOptions(), Results, false); |
| else if (CurContext->isObjCContainer()) |
| AddObjCInterfaceResults(getLangOptions(), Results, false); |
| else |
| AddObjCTopLevelResults(Results, false); |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| static void AddObjCExpressionResults(ResultBuilder &Results, bool NeedAt) { |
| typedef CodeCompletionResult Result; |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| |
| // @encode ( type-name ) |
| const char *EncodeType = "char[]"; |
| if (Results.getSema().getLangOptions().CPlusPlus || |
| Results.getSema().getLangOptions().ConstStrings) |
| EncodeType = " const char[]"; |
| Builder.AddResultTypeChunk(EncodeType); |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,encode)); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("type-name"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // @protocol ( protocol-name ) |
| Builder.AddResultTypeChunk("Protocol *"); |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,protocol)); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("protocol-name"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| // @selector ( selector ) |
| Builder.AddResultTypeChunk("SEL"); |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,selector)); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("selector"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| static void AddObjCStatementResults(ResultBuilder &Results, bool NeedAt) { |
| typedef CodeCompletionResult Result; |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| |
| if (Results.includeCodePatterns()) { |
| // @try { statements } @catch ( declaration ) { statements } @finally |
| // { statements } |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,try)); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Builder.AddTextChunk("@catch"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("parameter"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Builder.AddTextChunk("@finally"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| |
| // @throw |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,throw)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| Results.AddResult(Result(Builder.TakeString())); |
| |
| if (Results.includeCodePatterns()) { |
| // @synchronized ( expression ) { statements } |
| Builder.AddTypedTextChunk(OBJC_AT_KEYWORD_NAME(NeedAt,synchronized)); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddPlaceholderChunk("statements"); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| Results.AddResult(Result(Builder.TakeString())); |
| } |
| } |
| |
| static void AddObjCVisibilityResults(const LangOptions &LangOpts, |
| ResultBuilder &Results, |
| bool NeedAt) { |
| typedef CodeCompletionResult Result; |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,private))); |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,protected))); |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,public))); |
| if (LangOpts.ObjC2) |
| Results.AddResult(Result(OBJC_AT_KEYWORD_NAME(NeedAt,package))); |
| } |
| |
| void Sema::CodeCompleteObjCAtVisibility(Scope *S) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| AddObjCVisibilityResults(getLangOptions(), Results, false); |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCAtStatement(Scope *S) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| AddObjCStatementResults(Results, false); |
| AddObjCExpressionResults(Results, false); |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCAtExpression(Scope *S) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| AddObjCExpressionResults(Results, false); |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| /// \brief Determine whether the addition of the given flag to an Objective-C |
| /// property's attributes will cause a conflict. |
| static bool ObjCPropertyFlagConflicts(unsigned Attributes, unsigned NewFlag) { |
| // Check if we've already added this flag. |
| if (Attributes & NewFlag) |
| return true; |
| |
| Attributes |= NewFlag; |
| |
| // Check for collisions with "readonly". |
| if ((Attributes & ObjCDeclSpec::DQ_PR_readonly) && |
| (Attributes & (ObjCDeclSpec::DQ_PR_readwrite | |
| ObjCDeclSpec::DQ_PR_assign | |
| ObjCDeclSpec::DQ_PR_unsafe_unretained | |
| ObjCDeclSpec::DQ_PR_copy | |
| ObjCDeclSpec::DQ_PR_retain | |
| ObjCDeclSpec::DQ_PR_strong))) |
| return true; |
| |
| // Check for more than one of { assign, copy, retain, strong }. |
| unsigned AssignCopyRetMask = Attributes & (ObjCDeclSpec::DQ_PR_assign | |
| ObjCDeclSpec::DQ_PR_unsafe_unretained | |
| ObjCDeclSpec::DQ_PR_copy | |
| ObjCDeclSpec::DQ_PR_retain| |
| ObjCDeclSpec::DQ_PR_strong); |
| if (AssignCopyRetMask && |
| AssignCopyRetMask != ObjCDeclSpec::DQ_PR_assign && |
| AssignCopyRetMask != ObjCDeclSpec::DQ_PR_unsafe_unretained && |
| AssignCopyRetMask != ObjCDeclSpec::DQ_PR_copy && |
| AssignCopyRetMask != ObjCDeclSpec::DQ_PR_retain && |
| AssignCopyRetMask != ObjCDeclSpec::DQ_PR_strong) |
| return true; |
| |
| return false; |
| } |
| |
| void Sema::CodeCompleteObjCPropertyFlags(Scope *S, ObjCDeclSpec &ODS) { |
| if (!CodeCompleter) |
| return; |
| |
| unsigned Attributes = ODS.getPropertyAttributes(); |
| |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_readonly)) |
| Results.AddResult(CodeCompletionResult("readonly")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_assign)) |
| Results.AddResult(CodeCompletionResult("assign")); |
| if (!ObjCPropertyFlagConflicts(Attributes, |
| ObjCDeclSpec::DQ_PR_unsafe_unretained)) |
| Results.AddResult(CodeCompletionResult("unsafe_unretained")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_readwrite)) |
| Results.AddResult(CodeCompletionResult("readwrite")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_retain)) |
| Results.AddResult(CodeCompletionResult("retain")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_strong)) |
| Results.AddResult(CodeCompletionResult("strong")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_copy)) |
| Results.AddResult(CodeCompletionResult("copy")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_nonatomic)) |
| Results.AddResult(CodeCompletionResult("nonatomic")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_atomic)) |
| Results.AddResult(CodeCompletionResult("atomic")); |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_setter)) { |
| CodeCompletionBuilder Setter(Results.getAllocator()); |
| Setter.AddTypedTextChunk("setter"); |
| Setter.AddTextChunk(" = "); |
| Setter.AddPlaceholderChunk("method"); |
| Results.AddResult(CodeCompletionResult(Setter.TakeString())); |
| } |
| if (!ObjCPropertyFlagConflicts(Attributes, ObjCDeclSpec::DQ_PR_getter)) { |
| CodeCompletionBuilder Getter(Results.getAllocator()); |
| Getter.AddTypedTextChunk("getter"); |
| Getter.AddTextChunk(" = "); |
| Getter.AddPlaceholderChunk("method"); |
| Results.AddResult(CodeCompletionResult(Getter.TakeString())); |
| } |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| /// \brief Descripts the kind of Objective-C method that we want to find |
| /// via code completion. |
| enum ObjCMethodKind { |
| MK_Any, //< Any kind of method, provided it means other specified criteria. |
| MK_ZeroArgSelector, //< Zero-argument (unary) selector. |
| MK_OneArgSelector //< One-argument selector. |
| }; |
| |
| static bool isAcceptableObjCSelector(Selector Sel, |
| ObjCMethodKind WantKind, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AllowSameLength = true) { |
| if (NumSelIdents > Sel.getNumArgs()) |
| return false; |
| |
| switch (WantKind) { |
| case MK_Any: break; |
| case MK_ZeroArgSelector: return Sel.isUnarySelector(); |
| case MK_OneArgSelector: return Sel.getNumArgs() == 1; |
| } |
| |
| if (!AllowSameLength && NumSelIdents && NumSelIdents == Sel.getNumArgs()) |
| return false; |
| |
| for (unsigned I = 0; I != NumSelIdents; ++I) |
| if (SelIdents[I] != Sel.getIdentifierInfoForSlot(I)) |
| return false; |
| |
| return true; |
| } |
| |
| static bool isAcceptableObjCMethod(ObjCMethodDecl *Method, |
| ObjCMethodKind WantKind, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AllowSameLength = true) { |
| return isAcceptableObjCSelector(Method->getSelector(), WantKind, SelIdents, |
| NumSelIdents, AllowSameLength); |
| } |
| |
| namespace { |
| /// \brief A set of selectors, which is used to avoid introducing multiple |
| /// completions with the same selector into the result set. |
| typedef llvm::SmallPtrSet<Selector, 16> VisitedSelectorSet; |
| } |
| |
| /// \brief Add all of the Objective-C methods in the given Objective-C |
| /// container to the set of results. |
| /// |
| /// The container will be a class, protocol, category, or implementation of |
| /// any of the above. This mether will recurse to include methods from |
| /// the superclasses of classes along with their categories, protocols, and |
| /// implementations. |
| /// |
| /// \param Container the container in which we'll look to find methods. |
| /// |
| /// \param WantInstance whether to add instance methods (only); if false, this |
| /// routine will add factory methods (only). |
| /// |
| /// \param CurContext the context in which we're performing the lookup that |
| /// finds methods. |
| /// |
| /// \param AllowSameLength Whether we allow a method to be added to the list |
| /// when it has the same number of parameters as we have selector identifiers. |
| /// |
| /// \param Results the structure into which we'll add results. |
| static void AddObjCMethods(ObjCContainerDecl *Container, |
| bool WantInstanceMethods, |
| ObjCMethodKind WantKind, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| DeclContext *CurContext, |
| VisitedSelectorSet &Selectors, |
| bool AllowSameLength, |
| ResultBuilder &Results, |
| bool InOriginalClass = true) { |
| typedef CodeCompletionResult Result; |
| for (ObjCContainerDecl::method_iterator M = Container->meth_begin(), |
| MEnd = Container->meth_end(); |
| M != MEnd; ++M) { |
| if ((*M)->isInstanceMethod() == WantInstanceMethods) { |
| // Check whether the selector identifiers we've been given are a |
| // subset of the identifiers for this particular method. |
| if (!isAcceptableObjCMethod(*M, WantKind, SelIdents, NumSelIdents, |
| AllowSameLength)) |
| continue; |
| |
| if (!Selectors.insert((*M)->getSelector())) |
| continue; |
| |
| Result R = Result(*M, 0); |
| R.StartParameter = NumSelIdents; |
| R.AllParametersAreInformative = (WantKind != MK_Any); |
| if (!InOriginalClass) |
| R.Priority += CCD_InBaseClass; |
| Results.MaybeAddResult(R, CurContext); |
| } |
| } |
| |
| // Visit the protocols of protocols. |
| if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) { |
| if (Protocol->hasDefinition()) { |
| const ObjCList<ObjCProtocolDecl> &Protocols |
| = Protocol->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); |
| I != E; ++I) |
| AddObjCMethods(*I, WantInstanceMethods, WantKind, SelIdents, |
| NumSelIdents, CurContext, Selectors, AllowSameLength, |
| Results, false); |
| } |
| } |
| |
| ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(Container); |
| if (!IFace || !IFace->hasDefinition()) |
| return; |
| |
| // Add methods in protocols. |
| const ObjCList<ObjCProtocolDecl> &Protocols= IFace->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); |
| I != E; ++I) |
| AddObjCMethods(*I, WantInstanceMethods, WantKind, SelIdents, NumSelIdents, |
| CurContext, Selectors, AllowSameLength, Results, false); |
| |
| // Add methods in categories. |
| for (ObjCCategoryDecl *CatDecl = IFace->getCategoryList(); CatDecl; |
| CatDecl = CatDecl->getNextClassCategory()) { |
| AddObjCMethods(CatDecl, WantInstanceMethods, WantKind, SelIdents, |
| NumSelIdents, CurContext, Selectors, AllowSameLength, |
| Results, InOriginalClass); |
| |
| // Add a categories protocol methods. |
| const ObjCList<ObjCProtocolDecl> &Protocols |
| = CatDecl->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); |
| I != E; ++I) |
| AddObjCMethods(*I, WantInstanceMethods, WantKind, SelIdents, |
| NumSelIdents, CurContext, Selectors, AllowSameLength, |
| Results, false); |
| |
| // Add methods in category implementations. |
| if (ObjCCategoryImplDecl *Impl = CatDecl->getImplementation()) |
| AddObjCMethods(Impl, WantInstanceMethods, WantKind, SelIdents, |
| NumSelIdents, CurContext, Selectors, AllowSameLength, |
| Results, InOriginalClass); |
| } |
| |
| // Add methods in superclass. |
| if (IFace->getSuperClass()) |
| AddObjCMethods(IFace->getSuperClass(), WantInstanceMethods, WantKind, |
| SelIdents, NumSelIdents, CurContext, Selectors, |
| AllowSameLength, Results, false); |
| |
| // Add methods in our implementation, if any. |
| if (ObjCImplementationDecl *Impl = IFace->getImplementation()) |
| AddObjCMethods(Impl, WantInstanceMethods, WantKind, SelIdents, |
| NumSelIdents, CurContext, Selectors, AllowSameLength, |
| Results, InOriginalClass); |
| } |
| |
| |
| void Sema::CodeCompleteObjCPropertyGetter(Scope *S) { |
| typedef CodeCompletionResult Result; |
| |
| // Try to find the interface where getters might live. |
| ObjCInterfaceDecl *Class = dyn_cast_or_null<ObjCInterfaceDecl>(CurContext); |
| if (!Class) { |
| if (ObjCCategoryDecl *Category |
| = dyn_cast_or_null<ObjCCategoryDecl>(CurContext)) |
| Class = Category->getClassInterface(); |
| |
| if (!Class) |
| return; |
| } |
| |
| // Find all of the potential getters. |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| |
| VisitedSelectorSet Selectors; |
| AddObjCMethods(Class, true, MK_ZeroArgSelector, 0, 0, CurContext, Selectors, |
| /*AllowSameLength=*/true, Results); |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCPropertySetter(Scope *S) { |
| typedef CodeCompletionResult Result; |
| |
| // Try to find the interface where setters might live. |
| ObjCInterfaceDecl *Class |
| = dyn_cast_or_null<ObjCInterfaceDecl>(CurContext); |
| if (!Class) { |
| if (ObjCCategoryDecl *Category |
| = dyn_cast_or_null<ObjCCategoryDecl>(CurContext)) |
| Class = Category->getClassInterface(); |
| |
| if (!Class) |
| return; |
| } |
| |
| // Find all of the potential getters. |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| |
| VisitedSelectorSet Selectors; |
| AddObjCMethods(Class, true, MK_OneArgSelector, 0, 0, CurContext, |
| Selectors, /*AllowSameLength=*/true, Results); |
| |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCPassingType(Scope *S, ObjCDeclSpec &DS, |
| bool IsParameter) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Type); |
| Results.EnterNewScope(); |
| |
| // Add context-sensitive, Objective-C parameter-passing keywords. |
| bool AddedInOut = false; |
| if ((DS.getObjCDeclQualifier() & |
| (ObjCDeclSpec::DQ_In | ObjCDeclSpec::DQ_Inout)) == 0) { |
| Results.AddResult("in"); |
| Results.AddResult("inout"); |
| AddedInOut = true; |
| } |
| if ((DS.getObjCDeclQualifier() & |
| (ObjCDeclSpec::DQ_Out | ObjCDeclSpec::DQ_Inout)) == 0) { |
| Results.AddResult("out"); |
| if (!AddedInOut) |
| Results.AddResult("inout"); |
| } |
| if ((DS.getObjCDeclQualifier() & |
| (ObjCDeclSpec::DQ_Bycopy | ObjCDeclSpec::DQ_Byref | |
| ObjCDeclSpec::DQ_Oneway)) == 0) { |
| Results.AddResult("bycopy"); |
| Results.AddResult("byref"); |
| Results.AddResult("oneway"); |
| } |
| |
| // If we're completing the return type of an Objective-C method and the |
| // identifier IBAction refers to a macro, provide a completion item for |
| // an action, e.g., |
| // IBAction)<#selector#>:(id)sender |
| if (DS.getObjCDeclQualifier() == 0 && !IsParameter && |
| Context.Idents.get("IBAction").hasMacroDefinition()) { |
| typedef CodeCompletionString::Chunk Chunk; |
| CodeCompletionBuilder Builder(Results.getAllocator(), CCP_CodePattern, |
| CXAvailability_Available); |
| Builder.AddTypedTextChunk("IBAction"); |
| Builder.AddChunk(Chunk(CodeCompletionString::CK_RightParen)); |
| Builder.AddPlaceholderChunk("selector"); |
| Builder.AddChunk(Chunk(CodeCompletionString::CK_Colon)); |
| Builder.AddChunk(Chunk(CodeCompletionString::CK_LeftParen)); |
| Builder.AddTextChunk("id"); |
| Builder.AddChunk(Chunk(CodeCompletionString::CK_RightParen)); |
| Builder.AddTextChunk("sender"); |
| Results.AddResult(CodeCompletionResult(Builder.TakeString())); |
| } |
| |
| // Add various builtin type names and specifiers. |
| AddOrdinaryNameResults(PCC_Type, S, *this, Results); |
| Results.ExitScope(); |
| |
| // Add the various type names |
| Results.setFilter(&ResultBuilder::IsOrdinaryNonValueName); |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| if (CodeCompleter->includeMacros()) |
| AddMacroResults(PP, Results); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Type, |
| Results.data(), Results.size()); |
| } |
| |
| /// \brief When we have an expression with type "id", we may assume |
| /// that it has some more-specific class type based on knowledge of |
| /// common uses of Objective-C. This routine returns that class type, |
| /// or NULL if no better result could be determined. |
| static ObjCInterfaceDecl *GetAssumedMessageSendExprType(Expr *E) { |
| ObjCMessageExpr *Msg = dyn_cast_or_null<ObjCMessageExpr>(E); |
| if (!Msg) |
| return 0; |
| |
| Selector Sel = Msg->getSelector(); |
| if (Sel.isNull()) |
| return 0; |
| |
| IdentifierInfo *Id = Sel.getIdentifierInfoForSlot(0); |
| if (!Id) |
| return 0; |
| |
| ObjCMethodDecl *Method = Msg->getMethodDecl(); |
| if (!Method) |
| return 0; |
| |
| // Determine the class that we're sending the message to. |
| ObjCInterfaceDecl *IFace = 0; |
| switch (Msg->getReceiverKind()) { |
| case ObjCMessageExpr::Class: |
| if (const ObjCObjectType *ObjType |
| = Msg->getClassReceiver()->getAs<ObjCObjectType>()) |
| IFace = ObjType->getInterface(); |
| break; |
| |
| case ObjCMessageExpr::Instance: { |
| QualType T = Msg->getInstanceReceiver()->getType(); |
| if (const ObjCObjectPointerType *Ptr = T->getAs<ObjCObjectPointerType>()) |
| IFace = Ptr->getInterfaceDecl(); |
| break; |
| } |
| |
| case ObjCMessageExpr::SuperInstance: |
| case ObjCMessageExpr::SuperClass: |
| break; |
| } |
| |
| if (!IFace) |
| return 0; |
| |
| ObjCInterfaceDecl *Super = IFace->getSuperClass(); |
| if (Method->isInstanceMethod()) |
| return llvm::StringSwitch<ObjCInterfaceDecl *>(Id->getName()) |
| .Case("retain", IFace) |
| .Case("strong", IFace) |
| .Case("autorelease", IFace) |
| .Case("copy", IFace) |
| .Case("copyWithZone", IFace) |
| .Case("mutableCopy", IFace) |
| .Case("mutableCopyWithZone", IFace) |
| .Case("awakeFromCoder", IFace) |
| .Case("replacementObjectFromCoder", IFace) |
| .Case("class", IFace) |
| .Case("classForCoder", IFace) |
| .Case("superclass", Super) |
| .Default(0); |
| |
| return llvm::StringSwitch<ObjCInterfaceDecl *>(Id->getName()) |
| .Case("new", IFace) |
| .Case("alloc", IFace) |
| .Case("allocWithZone", IFace) |
| .Case("class", IFace) |
| .Case("superclass", Super) |
| .Default(0); |
| } |
| |
| // Add a special completion for a message send to "super", which fills in the |
| // most likely case of forwarding all of our arguments to the superclass |
| // function. |
| /// |
| /// \param S The semantic analysis object. |
| /// |
| /// \param S NeedSuperKeyword Whether we need to prefix this completion with |
| /// the "super" keyword. Otherwise, we just need to provide the arguments. |
| /// |
| /// \param SelIdents The identifiers in the selector that have already been |
| /// provided as arguments for a send to "super". |
| /// |
| /// \param NumSelIdents The number of identifiers in \p SelIdents. |
| /// |
| /// \param Results The set of results to augment. |
| /// |
| /// \returns the Objective-C method declaration that would be invoked by |
| /// this "super" completion. If NULL, no completion was added. |
| static ObjCMethodDecl *AddSuperSendCompletion(Sema &S, bool NeedSuperKeyword, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| ResultBuilder &Results) { |
| ObjCMethodDecl *CurMethod = S.getCurMethodDecl(); |
| if (!CurMethod) |
| return 0; |
| |
| ObjCInterfaceDecl *Class = CurMethod->getClassInterface(); |
| if (!Class) |
| return 0; |
| |
| // Try to find a superclass method with the same selector. |
| ObjCMethodDecl *SuperMethod = 0; |
| while ((Class = Class->getSuperClass()) && !SuperMethod) { |
| // Check in the class |
| SuperMethod = Class->getMethod(CurMethod->getSelector(), |
| CurMethod->isInstanceMethod()); |
| |
| // Check in categories or class extensions. |
| if (!SuperMethod) { |
| for (ObjCCategoryDecl *Category = Class->getCategoryList(); Category; |
| Category = Category->getNextClassCategory()) |
| if ((SuperMethod = Category->getMethod(CurMethod->getSelector(), |
| CurMethod->isInstanceMethod()))) |
| break; |
| } |
| } |
| |
| if (!SuperMethod) |
| return 0; |
| |
| // Check whether the superclass method has the same signature. |
| if (CurMethod->param_size() != SuperMethod->param_size() || |
| CurMethod->isVariadic() != SuperMethod->isVariadic()) |
| return 0; |
| |
| for (ObjCMethodDecl::param_iterator CurP = CurMethod->param_begin(), |
| CurPEnd = CurMethod->param_end(), |
| SuperP = SuperMethod->param_begin(); |
| CurP != CurPEnd; ++CurP, ++SuperP) { |
| // Make sure the parameter types are compatible. |
| if (!S.Context.hasSameUnqualifiedType((*CurP)->getType(), |
| (*SuperP)->getType())) |
| return 0; |
| |
| // Make sure we have a parameter name to forward! |
| if (!(*CurP)->getIdentifier()) |
| return 0; |
| } |
| |
| // We have a superclass method. Now, form the send-to-super completion. |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| |
| // Give this completion a return type. |
| AddResultTypeChunk(S.Context, getCompletionPrintingPolicy(S), SuperMethod, |
| Builder); |
| |
| // If we need the "super" keyword, add it (plus some spacing). |
| if (NeedSuperKeyword) { |
| Builder.AddTypedTextChunk("super"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| } |
| |
| Selector Sel = CurMethod->getSelector(); |
| if (Sel.isUnarySelector()) { |
| if (NeedSuperKeyword) |
| Builder.AddTextChunk(Builder.getAllocator().CopyString( |
| Sel.getNameForSlot(0))); |
| else |
| Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( |
| Sel.getNameForSlot(0))); |
| } else { |
| ObjCMethodDecl::param_iterator CurP = CurMethod->param_begin(); |
| for (unsigned I = 0, N = Sel.getNumArgs(); I != N; ++I, ++CurP) { |
| if (I > NumSelIdents) |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| |
| if (I < NumSelIdents) |
| Builder.AddInformativeChunk( |
| Builder.getAllocator().CopyString( |
| Sel.getNameForSlot(I) + ":")); |
| else if (NeedSuperKeyword || I > NumSelIdents) { |
| Builder.AddTextChunk( |
| Builder.getAllocator().CopyString( |
| Sel.getNameForSlot(I) + ":")); |
| Builder.AddPlaceholderChunk(Builder.getAllocator().CopyString( |
| (*CurP)->getIdentifier()->getName())); |
| } else { |
| Builder.AddTypedTextChunk( |
| Builder.getAllocator().CopyString( |
| Sel.getNameForSlot(I) + ":")); |
| Builder.AddPlaceholderChunk(Builder.getAllocator().CopyString( |
| (*CurP)->getIdentifier()->getName())); |
| } |
| } |
| } |
| |
| Results.AddResult(CodeCompletionResult(Builder.TakeString(), CCP_SuperCompletion, |
| SuperMethod->isInstanceMethod() |
| ? CXCursor_ObjCInstanceMethodDecl |
| : CXCursor_ObjCClassMethodDecl)); |
| return SuperMethod; |
| } |
| |
| void Sema::CodeCompleteObjCMessageReceiver(Scope *S) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_ObjCMessageReceiver, |
| &ResultBuilder::IsObjCMessageReceiver); |
| |
| CodeCompletionDeclConsumer Consumer(Results, CurContext); |
| Results.EnterNewScope(); |
| LookupVisibleDecls(S, LookupOrdinaryName, Consumer, |
| CodeCompleter->includeGlobals()); |
| |
| // If we are in an Objective-C method inside a class that has a superclass, |
| // add "super" as an option. |
| if (ObjCMethodDecl *Method = getCurMethodDecl()) |
| if (ObjCInterfaceDecl *Iface = Method->getClassInterface()) |
| if (Iface->getSuperClass()) { |
| Results.AddResult(Result("super")); |
| |
| AddSuperSendCompletion(*this, /*NeedSuperKeyword=*/true, 0, 0, Results); |
| } |
| |
| Results.ExitScope(); |
| |
| if (CodeCompleter->includeMacros()) |
| AddMacroResults(PP, Results); |
| HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(), |
| Results.data(), Results.size()); |
| |
| } |
| |
| void Sema::CodeCompleteObjCSuperMessage(Scope *S, SourceLocation SuperLoc, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression) { |
| ObjCInterfaceDecl *CDecl = 0; |
| if (ObjCMethodDecl *CurMethod = getCurMethodDecl()) { |
| // Figure out which interface we're in. |
| CDecl = CurMethod->getClassInterface(); |
| if (!CDecl) |
| return; |
| |
| // Find the superclass of this class. |
| CDecl = CDecl->getSuperClass(); |
| if (!CDecl) |
| return; |
| |
| if (CurMethod->isInstanceMethod()) { |
| // We are inside an instance method, which means that the message |
| // send [super ...] is actually calling an instance method on the |
| // current object. |
| return CodeCompleteObjCInstanceMessage(S, 0, |
| SelIdents, NumSelIdents, |
| AtArgumentExpression, |
| CDecl); |
| } |
| |
| // Fall through to send to the superclass in CDecl. |
| } else { |
| // "super" may be the name of a type or variable. Figure out which |
| // it is. |
| IdentifierInfo *Super = &Context.Idents.get("super"); |
| NamedDecl *ND = LookupSingleName(S, Super, SuperLoc, |
| LookupOrdinaryName); |
| if ((CDecl = dyn_cast_or_null<ObjCInterfaceDecl>(ND))) { |
| // "super" names an interface. Use it. |
| } else if (TypeDecl *TD = dyn_cast_or_null<TypeDecl>(ND)) { |
| if (const ObjCObjectType *Iface |
| = Context.getTypeDeclType(TD)->getAs<ObjCObjectType>()) |
| CDecl = Iface->getInterface(); |
| } else if (ND && isa<UnresolvedUsingTypenameDecl>(ND)) { |
| // "super" names an unresolved type; we can't be more specific. |
| } else { |
| // Assume that "super" names some kind of value and parse that way. |
| CXXScopeSpec SS; |
| UnqualifiedId id; |
| id.setIdentifier(Super, SuperLoc); |
| ExprResult SuperExpr = ActOnIdExpression(S, SS, id, false, false); |
| return CodeCompleteObjCInstanceMessage(S, (Expr *)SuperExpr.get(), |
| SelIdents, NumSelIdents, |
| AtArgumentExpression); |
| } |
| |
| // Fall through |
| } |
| |
| ParsedType Receiver; |
| if (CDecl) |
| Receiver = ParsedType::make(Context.getObjCInterfaceType(CDecl)); |
| return CodeCompleteObjCClassMessage(S, Receiver, SelIdents, |
| NumSelIdents, AtArgumentExpression, |
| /*IsSuper=*/true); |
| } |
| |
| /// \brief Given a set of code-completion results for the argument of a message |
| /// send, determine the preferred type (if any) for that argument expression. |
| static QualType getPreferredArgumentTypeForMessageSend(ResultBuilder &Results, |
| unsigned NumSelIdents) { |
| typedef CodeCompletionResult Result; |
| ASTContext &Context = Results.getSema().Context; |
| |
| QualType PreferredType; |
| unsigned BestPriority = CCP_Unlikely * 2; |
| Result *ResultsData = Results.data(); |
| for (unsigned I = 0, N = Results.size(); I != N; ++I) { |
| Result &R = ResultsData[I]; |
| if (R.Kind == Result::RK_Declaration && |
| isa<ObjCMethodDecl>(R.Declaration)) { |
| if (R.Priority <= BestPriority) { |
| ObjCMethodDecl *Method = cast<ObjCMethodDecl>(R.Declaration); |
| if (NumSelIdents <= Method->param_size()) { |
| QualType MyPreferredType = Method->param_begin()[NumSelIdents - 1] |
| ->getType(); |
| if (R.Priority < BestPriority || PreferredType.isNull()) { |
| BestPriority = R.Priority; |
| PreferredType = MyPreferredType; |
| } else if (!Context.hasSameUnqualifiedType(PreferredType, |
| MyPreferredType)) { |
| PreferredType = QualType(); |
| } |
| } |
| } |
| } |
| } |
| |
| return PreferredType; |
| } |
| |
| static void AddClassMessageCompletions(Sema &SemaRef, Scope *S, |
| ParsedType Receiver, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression, |
| bool IsSuper, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| ObjCInterfaceDecl *CDecl = 0; |
| |
| // If the given name refers to an interface type, retrieve the |
| // corresponding declaration. |
| if (Receiver) { |
| QualType T = SemaRef.GetTypeFromParser(Receiver, 0); |
| if (!T.isNull()) |
| if (const ObjCObjectType *Interface = T->getAs<ObjCObjectType>()) |
| CDecl = Interface->getInterface(); |
| } |
| |
| // Add all of the factory methods in this Objective-C class, its protocols, |
| // superclasses, categories, implementation, etc. |
| Results.EnterNewScope(); |
| |
| // If this is a send-to-super, try to add the special "super" send |
| // completion. |
| if (IsSuper) { |
| if (ObjCMethodDecl *SuperMethod |
| = AddSuperSendCompletion(SemaRef, false, SelIdents, NumSelIdents, |
| Results)) |
| Results.Ignore(SuperMethod); |
| } |
| |
| // If we're inside an Objective-C method definition, prefer its selector to |
| // others. |
| if (ObjCMethodDecl *CurMethod = SemaRef.getCurMethodDecl()) |
| Results.setPreferredSelector(CurMethod->getSelector()); |
| |
| VisitedSelectorSet Selectors; |
| if (CDecl) |
| AddObjCMethods(CDecl, false, MK_Any, SelIdents, NumSelIdents, |
| SemaRef.CurContext, Selectors, AtArgumentExpression, |
| Results); |
| else { |
| // We're messaging "id" as a type; provide all class/factory methods. |
| |
| // If we have an external source, load the entire class method |
| // pool from the AST file. |
| if (SemaRef.ExternalSource) { |
| for (uint32_t I = 0, |
| N = SemaRef.ExternalSource->GetNumExternalSelectors(); |
| I != N; ++I) { |
| Selector Sel = SemaRef.ExternalSource->GetExternalSelector(I); |
| if (Sel.isNull() || SemaRef.MethodPool.count(Sel)) |
| continue; |
| |
| SemaRef.ReadMethodPool(Sel); |
| } |
| } |
| |
| for (Sema::GlobalMethodPool::iterator M = SemaRef.MethodPool.begin(), |
| MEnd = SemaRef.MethodPool.end(); |
| M != MEnd; ++M) { |
| for (ObjCMethodList *MethList = &M->second.second; |
| MethList && MethList->Method; |
| MethList = MethList->Next) { |
| if (!isAcceptableObjCMethod(MethList->Method, MK_Any, SelIdents, |
| NumSelIdents)) |
| continue; |
| |
| Result R(MethList->Method, 0); |
| R.StartParameter = NumSelIdents; |
| R.AllParametersAreInformative = false; |
| Results.MaybeAddResult(R, SemaRef.CurContext); |
| } |
| } |
| } |
| |
| Results.ExitScope(); |
| } |
| |
| void Sema::CodeCompleteObjCClassMessage(Scope *S, ParsedType Receiver, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression, |
| bool IsSuper) { |
| |
| QualType T = this->GetTypeFromParser(Receiver); |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext(CodeCompletionContext::CCC_ObjCClassMessage, |
| T, SelIdents, NumSelIdents)); |
| |
| AddClassMessageCompletions(*this, S, Receiver, SelIdents, NumSelIdents, |
| AtArgumentExpression, IsSuper, Results); |
| |
| // If we're actually at the argument expression (rather than prior to the |
| // selector), we're actually performing code completion for an expression. |
| // Determine whether we have a single, best method. If so, we can |
| // code-complete the expression using the corresponding parameter type as |
| // our preferred type, improving completion results. |
| if (AtArgumentExpression) { |
| QualType PreferredType = getPreferredArgumentTypeForMessageSend(Results, |
| NumSelIdents); |
| if (PreferredType.isNull()) |
| CodeCompleteOrdinaryName(S, PCC_Expression); |
| else |
| CodeCompleteExpression(S, PreferredType); |
| return; |
| } |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(), Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCInstanceMessage(Scope *S, Expr *Receiver, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents, |
| bool AtArgumentExpression, |
| ObjCInterfaceDecl *Super) { |
| typedef CodeCompletionResult Result; |
| |
| Expr *RecExpr = static_cast<Expr *>(Receiver); |
| |
| // If necessary, apply function/array conversion to the receiver. |
| // C99 6.7.5.3p[7,8]. |
| if (RecExpr) { |
| ExprResult Conv = DefaultFunctionArrayLvalueConversion(RecExpr); |
| if (Conv.isInvalid()) // conversion failed. bail. |
| return; |
| RecExpr = Conv.take(); |
| } |
| QualType ReceiverType = RecExpr? RecExpr->getType() |
| : Super? Context.getObjCObjectPointerType( |
| Context.getObjCInterfaceType(Super)) |
| : Context.getObjCIdType(); |
| |
| // If we're messaging an expression with type "id" or "Class", check |
| // whether we know something special about the receiver that allows |
| // us to assume a more-specific receiver type. |
| if (ReceiverType->isObjCIdType() || ReceiverType->isObjCClassType()) |
| if (ObjCInterfaceDecl *IFace = GetAssumedMessageSendExprType(RecExpr)) { |
| if (ReceiverType->isObjCClassType()) |
| return CodeCompleteObjCClassMessage(S, |
| ParsedType::make(Context.getObjCInterfaceType(IFace)), |
| SelIdents, NumSelIdents, |
| AtArgumentExpression, Super); |
| |
| ReceiverType = Context.getObjCObjectPointerType( |
| Context.getObjCInterfaceType(IFace)); |
| } |
| |
| // Build the set of methods we can see. |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext(CodeCompletionContext::CCC_ObjCInstanceMessage, |
| ReceiverType, SelIdents, NumSelIdents)); |
| |
| Results.EnterNewScope(); |
| |
| // If this is a send-to-super, try to add the special "super" send |
| // completion. |
| if (Super) { |
| if (ObjCMethodDecl *SuperMethod |
| = AddSuperSendCompletion(*this, false, SelIdents, NumSelIdents, |
| Results)) |
| Results.Ignore(SuperMethod); |
| } |
| |
| // If we're inside an Objective-C method definition, prefer its selector to |
| // others. |
| if (ObjCMethodDecl *CurMethod = getCurMethodDecl()) |
| Results.setPreferredSelector(CurMethod->getSelector()); |
| |
| // Keep track of the selectors we've already added. |
| VisitedSelectorSet Selectors; |
| |
| // Handle messages to Class. This really isn't a message to an instance |
| // method, so we treat it the same way we would treat a message send to a |
| // class method. |
| if (ReceiverType->isObjCClassType() || |
| ReceiverType->isObjCQualifiedClassType()) { |
| if (ObjCMethodDecl *CurMethod = getCurMethodDecl()) { |
| if (ObjCInterfaceDecl *ClassDecl = CurMethod->getClassInterface()) |
| AddObjCMethods(ClassDecl, false, MK_Any, SelIdents, NumSelIdents, |
| CurContext, Selectors, AtArgumentExpression, Results); |
| } |
| } |
| // Handle messages to a qualified ID ("id<foo>"). |
| else if (const ObjCObjectPointerType *QualID |
| = ReceiverType->getAsObjCQualifiedIdType()) { |
| // Search protocols for instance methods. |
| for (ObjCObjectPointerType::qual_iterator I = QualID->qual_begin(), |
| E = QualID->qual_end(); |
| I != E; ++I) |
| AddObjCMethods(*I, true, MK_Any, SelIdents, NumSelIdents, CurContext, |
| Selectors, AtArgumentExpression, Results); |
| } |
| // Handle messages to a pointer to interface type. |
| else if (const ObjCObjectPointerType *IFacePtr |
| = ReceiverType->getAsObjCInterfacePointerType()) { |
| // Search the class, its superclasses, etc., for instance methods. |
| AddObjCMethods(IFacePtr->getInterfaceDecl(), true, MK_Any, SelIdents, |
| NumSelIdents, CurContext, Selectors, AtArgumentExpression, |
| Results); |
| |
| // Search protocols for instance methods. |
| for (ObjCObjectPointerType::qual_iterator I = IFacePtr->qual_begin(), |
| E = IFacePtr->qual_end(); |
| I != E; ++I) |
| AddObjCMethods(*I, true, MK_Any, SelIdents, NumSelIdents, CurContext, |
| Selectors, AtArgumentExpression, Results); |
| } |
| // Handle messages to "id". |
| else if (ReceiverType->isObjCIdType()) { |
| // We're messaging "id", so provide all instance methods we know |
| // about as code-completion results. |
| |
| // If we have an external source, load the entire class method |
| // pool from the AST file. |
| if (ExternalSource) { |
| for (uint32_t I = 0, N = ExternalSource->GetNumExternalSelectors(); |
| I != N; ++I) { |
| Selector Sel = ExternalSource->GetExternalSelector(I); |
| if (Sel.isNull() || MethodPool.count(Sel)) |
| continue; |
| |
| ReadMethodPool(Sel); |
| } |
| } |
| |
| for (GlobalMethodPool::iterator M = MethodPool.begin(), |
| MEnd = MethodPool.end(); |
| M != MEnd; ++M) { |
| for (ObjCMethodList *MethList = &M->second.first; |
| MethList && MethList->Method; |
| MethList = MethList->Next) { |
| if (!isAcceptableObjCMethod(MethList->Method, MK_Any, SelIdents, |
| NumSelIdents)) |
| continue; |
| |
| if (!Selectors.insert(MethList->Method->getSelector())) |
| continue; |
| |
| Result R(MethList->Method, 0); |
| R.StartParameter = NumSelIdents; |
| R.AllParametersAreInformative = false; |
| Results.MaybeAddResult(R, CurContext); |
| } |
| } |
| } |
| Results.ExitScope(); |
| |
| |
| // If we're actually at the argument expression (rather than prior to the |
| // selector), we're actually performing code completion for an expression. |
| // Determine whether we have a single, best method. If so, we can |
| // code-complete the expression using the corresponding parameter type as |
| // our preferred type, improving completion results. |
| if (AtArgumentExpression) { |
| QualType PreferredType = getPreferredArgumentTypeForMessageSend(Results, |
| NumSelIdents); |
| if (PreferredType.isNull()) |
| CodeCompleteOrdinaryName(S, PCC_Expression); |
| else |
| CodeCompleteExpression(S, PreferredType); |
| return; |
| } |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| Results.getCompletionContext(), |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCForCollection(Scope *S, |
| DeclGroupPtrTy IterationVar) { |
| CodeCompleteExpressionData Data; |
| Data.ObjCCollection = true; |
| |
| if (IterationVar.getAsOpaquePtr()) { |
| DeclGroupRef DG = IterationVar.getAsVal<DeclGroupRef>(); |
| for (DeclGroupRef::iterator I = DG.begin(), End = DG.end(); I != End; ++I) { |
| if (*I) |
| Data.IgnoreDecls.push_back(*I); |
| } |
| } |
| |
| CodeCompleteExpression(S, Data); |
| } |
| |
| void Sema::CodeCompleteObjCSelector(Scope *S, IdentifierInfo **SelIdents, |
| unsigned NumSelIdents) { |
| // If we have an external source, load the entire class method |
| // pool from the AST file. |
| if (ExternalSource) { |
| for (uint32_t I = 0, N = ExternalSource->GetNumExternalSelectors(); |
| I != N; ++I) { |
| Selector Sel = ExternalSource->GetExternalSelector(I); |
| if (Sel.isNull() || MethodPool.count(Sel)) |
| continue; |
| |
| ReadMethodPool(Sel); |
| } |
| } |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_SelectorName); |
| Results.EnterNewScope(); |
| for (GlobalMethodPool::iterator M = MethodPool.begin(), |
| MEnd = MethodPool.end(); |
| M != MEnd; ++M) { |
| |
| Selector Sel = M->first; |
| if (!isAcceptableObjCSelector(Sel, MK_Any, SelIdents, NumSelIdents)) |
| continue; |
| |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| if (Sel.isUnarySelector()) { |
| Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( |
| Sel.getNameForSlot(0))); |
| Results.AddResult(Builder.TakeString()); |
| continue; |
| } |
| |
| std::string Accumulator; |
| for (unsigned I = 0, N = Sel.getNumArgs(); I != N; ++I) { |
| if (I == NumSelIdents) { |
| if (!Accumulator.empty()) { |
| Builder.AddInformativeChunk(Builder.getAllocator().CopyString( |
| Accumulator)); |
| Accumulator.clear(); |
| } |
| } |
| |
| Accumulator += Sel.getNameForSlot(I); |
| Accumulator += ':'; |
| } |
| Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( Accumulator)); |
| Results.AddResult(Builder.TakeString()); |
| } |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_SelectorName, |
| Results.data(), Results.size()); |
| } |
| |
| /// \brief Add all of the protocol declarations that we find in the given |
| /// (translation unit) context. |
| static void AddProtocolResults(DeclContext *Ctx, DeclContext *CurContext, |
| bool OnlyForwardDeclarations, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| |
| for (DeclContext::decl_iterator D = Ctx->decls_begin(), |
| DEnd = Ctx->decls_end(); |
| D != DEnd; ++D) { |
| // Record any protocols we find. |
| if (ObjCProtocolDecl *Proto = dyn_cast<ObjCProtocolDecl>(*D)) |
| if (!OnlyForwardDeclarations || !Proto->hasDefinition()) |
| Results.AddResult(Result(Proto, 0), CurContext, 0, false); |
| } |
| } |
| |
| void Sema::CodeCompleteObjCProtocolReferences(IdentifierLocPair *Protocols, |
| unsigned NumProtocols) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_ObjCProtocolName); |
| |
| if (CodeCompleter && CodeCompleter->includeGlobals()) { |
| Results.EnterNewScope(); |
| |
| // Tell the result set to ignore all of the protocols we have |
| // already seen. |
| // FIXME: This doesn't work when caching code-completion results. |
| for (unsigned I = 0; I != NumProtocols; ++I) |
| if (ObjCProtocolDecl *Protocol = LookupProtocol(Protocols[I].first, |
| Protocols[I].second)) |
| Results.Ignore(Protocol); |
| |
| // Add all protocols. |
| AddProtocolResults(Context.getTranslationUnitDecl(), CurContext, false, |
| Results); |
| |
| Results.ExitScope(); |
| } |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_ObjCProtocolName, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCProtocolDecl(Scope *) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_ObjCProtocolName); |
| |
| if (CodeCompleter && CodeCompleter->includeGlobals()) { |
| Results.EnterNewScope(); |
| |
| // Add all protocols. |
| AddProtocolResults(Context.getTranslationUnitDecl(), CurContext, true, |
| Results); |
| |
| Results.ExitScope(); |
| } |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_ObjCProtocolName, |
| Results.data(),Results.size()); |
| } |
| |
| /// \brief Add all of the Objective-C interface declarations that we find in |
| /// the given (translation unit) context. |
| static void AddInterfaceResults(DeclContext *Ctx, DeclContext *CurContext, |
| bool OnlyForwardDeclarations, |
| bool OnlyUnimplemented, |
| ResultBuilder &Results) { |
| typedef CodeCompletionResult Result; |
| |
| for (DeclContext::decl_iterator D = Ctx->decls_begin(), |
| DEnd = Ctx->decls_end(); |
| D != DEnd; ++D) { |
| // Record any interfaces we find. |
| if (ObjCInterfaceDecl *Class = dyn_cast<ObjCInterfaceDecl>(*D)) |
| if ((!OnlyForwardDeclarations || !Class->hasDefinition()) && |
| (!OnlyUnimplemented || !Class->getImplementation())) |
| Results.AddResult(Result(Class, 0), CurContext, 0, false); |
| } |
| } |
| |
| void Sema::CodeCompleteObjCInterfaceDecl(Scope *S) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| |
| if (CodeCompleter->includeGlobals()) { |
| // Add all classes. |
| AddInterfaceResults(Context.getTranslationUnitDecl(), CurContext, false, |
| false, Results); |
| } |
| |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_ObjCInterfaceName, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCSuperclass(Scope *S, IdentifierInfo *ClassName, |
| SourceLocation ClassNameLoc) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_ObjCInterfaceName); |
| Results.EnterNewScope(); |
| |
| // Make sure that we ignore the class we're currently defining. |
| NamedDecl *CurClass |
| = LookupSingleName(TUScope, ClassName, ClassNameLoc, LookupOrdinaryName); |
| if (CurClass && isa<ObjCInterfaceDecl>(CurClass)) |
| Results.Ignore(CurClass); |
| |
| if (CodeCompleter->includeGlobals()) { |
| // Add all classes. |
| AddInterfaceResults(Context.getTranslationUnitDecl(), CurContext, false, |
| false, Results); |
| } |
| |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_ObjCInterfaceName, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCImplementationDecl(Scope *S) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| |
| if (CodeCompleter->includeGlobals()) { |
| // Add all unimplemented classes. |
| AddInterfaceResults(Context.getTranslationUnitDecl(), CurContext, false, |
| true, Results); |
| } |
| |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_ObjCInterfaceName, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCInterfaceCategory(Scope *S, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassNameLoc) { |
| typedef CodeCompletionResult Result; |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_ObjCCategoryName); |
| |
| // Ignore any categories we find that have already been implemented by this |
| // interface. |
| llvm::SmallPtrSet<IdentifierInfo *, 16> CategoryNames; |
| NamedDecl *CurClass |
| = LookupSingleName(TUScope, ClassName, ClassNameLoc, LookupOrdinaryName); |
| if (ObjCInterfaceDecl *Class = dyn_cast_or_null<ObjCInterfaceDecl>(CurClass)) |
| for (ObjCCategoryDecl *Category = Class->getCategoryList(); Category; |
| Category = Category->getNextClassCategory()) |
| CategoryNames.insert(Category->getIdentifier()); |
| |
| // Add all of the categories we know about. |
| Results.EnterNewScope(); |
| TranslationUnitDecl *TU = Context.getTranslationUnitDecl(); |
| for (DeclContext::decl_iterator D = TU->decls_begin(), |
| DEnd = TU->decls_end(); |
| D != DEnd; ++D) |
| if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(*D)) |
| if (CategoryNames.insert(Category->getIdentifier())) |
| Results.AddResult(Result(Category, 0), CurContext, 0, false); |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_ObjCCategoryName, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCImplementationCategory(Scope *S, |
| IdentifierInfo *ClassName, |
| SourceLocation ClassNameLoc) { |
| typedef CodeCompletionResult Result; |
| |
| // Find the corresponding interface. If we couldn't find the interface, the |
| // program itself is ill-formed. However, we'll try to be helpful still by |
| // providing the list of all of the categories we know about. |
| NamedDecl *CurClass |
| = LookupSingleName(TUScope, ClassName, ClassNameLoc, LookupOrdinaryName); |
| ObjCInterfaceDecl *Class = dyn_cast_or_null<ObjCInterfaceDecl>(CurClass); |
| if (!Class) |
| return CodeCompleteObjCInterfaceCategory(S, ClassName, ClassNameLoc); |
| |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_ObjCCategoryName); |
| |
| // Add all of the categories that have have corresponding interface |
| // declarations in this class and any of its superclasses, except for |
| // already-implemented categories in the class itself. |
| llvm::SmallPtrSet<IdentifierInfo *, 16> CategoryNames; |
| Results.EnterNewScope(); |
| bool IgnoreImplemented = true; |
| while (Class) { |
| for (ObjCCategoryDecl *Category = Class->getCategoryList(); Category; |
| Category = Category->getNextClassCategory()) |
| if ((!IgnoreImplemented || !Category->getImplementation()) && |
| CategoryNames.insert(Category->getIdentifier())) |
| Results.AddResult(Result(Category, 0), CurContext, 0, false); |
| |
| Class = Class->getSuperClass(); |
| IgnoreImplemented = false; |
| } |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_ObjCCategoryName, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCPropertyDefinition(Scope *S) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| |
| // Figure out where this @synthesize lives. |
| ObjCContainerDecl *Container |
| = dyn_cast_or_null<ObjCContainerDecl>(CurContext); |
| if (!Container || |
| (!isa<ObjCImplementationDecl>(Container) && |
| !isa<ObjCCategoryImplDecl>(Container))) |
| return; |
| |
| // Ignore any properties that have already been implemented. |
| for (DeclContext::decl_iterator D = Container->decls_begin(), |
| DEnd = Container->decls_end(); |
| D != DEnd; ++D) |
| if (ObjCPropertyImplDecl *PropertyImpl = dyn_cast<ObjCPropertyImplDecl>(*D)) |
| Results.Ignore(PropertyImpl->getPropertyDecl()); |
| |
| // Add any properties that we find. |
| AddedPropertiesSet AddedProperties; |
| Results.EnterNewScope(); |
| if (ObjCImplementationDecl *ClassImpl |
| = dyn_cast<ObjCImplementationDecl>(Container)) |
| AddObjCProperties(ClassImpl->getClassInterface(), false, |
| /*AllowNullaryMethods=*/false, CurContext, |
| AddedProperties, Results); |
| else |
| AddObjCProperties(cast<ObjCCategoryImplDecl>(Container)->getCategoryDecl(), |
| false, /*AllowNullaryMethods=*/false, CurContext, |
| AddedProperties, Results); |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCPropertySynthesizeIvar(Scope *S, |
| IdentifierInfo *PropertyName) { |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| |
| // Figure out where this @synthesize lives. |
| ObjCContainerDecl *Container |
| = dyn_cast_or_null<ObjCContainerDecl>(CurContext); |
| if (!Container || |
| (!isa<ObjCImplementationDecl>(Container) && |
| !isa<ObjCCategoryImplDecl>(Container))) |
| return; |
| |
| // Figure out which interface we're looking into. |
| ObjCInterfaceDecl *Class = 0; |
| if (ObjCImplementationDecl *ClassImpl |
| = dyn_cast<ObjCImplementationDecl>(Container)) |
| Class = ClassImpl->getClassInterface(); |
| else |
| Class = cast<ObjCCategoryImplDecl>(Container)->getCategoryDecl() |
| ->getClassInterface(); |
| |
| // Determine the type of the property we're synthesizing. |
| QualType PropertyType = Context.getObjCIdType(); |
| if (Class) { |
| if (ObjCPropertyDecl *Property |
| = Class->FindPropertyDeclaration(PropertyName)) { |
| PropertyType |
| = Property->getType().getNonReferenceType().getUnqualifiedType(); |
| |
| // Give preference to ivars |
| Results.setPreferredType(PropertyType); |
| } |
| } |
| |
| // Add all of the instance variables in this class and its superclasses. |
| Results.EnterNewScope(); |
| bool SawSimilarlyNamedIvar = false; |
| std::string NameWithPrefix; |
| NameWithPrefix += '_'; |
| NameWithPrefix += PropertyName->getName(); |
| std::string NameWithSuffix = PropertyName->getName().str(); |
| NameWithSuffix += '_'; |
| for(; Class; Class = Class->getSuperClass()) { |
| for (ObjCIvarDecl *Ivar = Class->all_declared_ivar_begin(); Ivar; |
| Ivar = Ivar->getNextIvar()) { |
| Results.AddResult(Result(Ivar, 0), CurContext, 0, false); |
| |
| // Determine whether we've seen an ivar with a name similar to the |
| // property. |
| if ((PropertyName == Ivar->getIdentifier() || |
| NameWithPrefix == Ivar->getName() || |
| NameWithSuffix == Ivar->getName())) { |
| SawSimilarlyNamedIvar = true; |
| |
| // Reduce the priority of this result by one, to give it a slight |
| // advantage over other results whose names don't match so closely. |
| if (Results.size() && |
| Results.data()[Results.size() - 1].Kind |
| == CodeCompletionResult::RK_Declaration && |
| Results.data()[Results.size() - 1].Declaration == Ivar) |
| Results.data()[Results.size() - 1].Priority--; |
| } |
| } |
| } |
| |
| if (!SawSimilarlyNamedIvar) { |
| // Create ivar result _propName, that the user can use to synthesize |
| // an ivar of the appropriate type. |
| unsigned Priority = CCP_MemberDeclaration + 1; |
| typedef CodeCompletionResult Result; |
| CodeCompletionAllocator &Allocator = Results.getAllocator(); |
| CodeCompletionBuilder Builder(Allocator, Priority,CXAvailability_Available); |
| |
| PrintingPolicy Policy = getCompletionPrintingPolicy(*this); |
| Builder.AddResultTypeChunk(GetCompletionTypeString(PropertyType, Context, |
| Policy, Allocator)); |
| Builder.AddTypedTextChunk(Allocator.CopyString(NameWithPrefix)); |
| Results.AddResult(Result(Builder.TakeString(), Priority, |
| CXCursor_ObjCIvarDecl)); |
| } |
| |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| // Mapping from selectors to the methods that implement that selector, along |
| // with the "in original class" flag. |
| typedef llvm::DenseMap<Selector, std::pair<ObjCMethodDecl *, bool> > |
| KnownMethodsMap; |
| |
| /// \brief Find all of the methods that reside in the given container |
| /// (and its superclasses, protocols, etc.) that meet the given |
| /// criteria. Insert those methods into the map of known methods, |
| /// indexed by selector so they can be easily found. |
| static void FindImplementableMethods(ASTContext &Context, |
| ObjCContainerDecl *Container, |
| bool WantInstanceMethods, |
| QualType ReturnType, |
| KnownMethodsMap &KnownMethods, |
| bool InOriginalClass = true) { |
| if (ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(Container)) { |
| // Recurse into protocols. |
| if (!IFace->hasDefinition()) |
| return; |
| |
| const ObjCList<ObjCProtocolDecl> &Protocols |
| = IFace->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); |
| I != E; ++I) |
| FindImplementableMethods(Context, *I, WantInstanceMethods, ReturnType, |
| KnownMethods, InOriginalClass); |
| |
| // Add methods from any class extensions and categories. |
| for (const ObjCCategoryDecl *Cat = IFace->getCategoryList(); Cat; |
| Cat = Cat->getNextClassCategory()) |
| FindImplementableMethods(Context, const_cast<ObjCCategoryDecl*>(Cat), |
| WantInstanceMethods, ReturnType, |
| KnownMethods, false); |
| |
| // Visit the superclass. |
| if (IFace->getSuperClass()) |
| FindImplementableMethods(Context, IFace->getSuperClass(), |
| WantInstanceMethods, ReturnType, |
| KnownMethods, false); |
| } |
| |
| if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(Container)) { |
| // Recurse into protocols. |
| const ObjCList<ObjCProtocolDecl> &Protocols |
| = Category->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); |
| I != E; ++I) |
| FindImplementableMethods(Context, *I, WantInstanceMethods, ReturnType, |
| KnownMethods, InOriginalClass); |
| |
| // If this category is the original class, jump to the interface. |
| if (InOriginalClass && Category->getClassInterface()) |
| FindImplementableMethods(Context, Category->getClassInterface(), |
| WantInstanceMethods, ReturnType, KnownMethods, |
| false); |
| } |
| |
| if (ObjCProtocolDecl *Protocol = dyn_cast<ObjCProtocolDecl>(Container)) { |
| if (Protocol->hasDefinition()) { |
| // Recurse into protocols. |
| const ObjCList<ObjCProtocolDecl> &Protocols |
| = Protocol->getReferencedProtocols(); |
| for (ObjCList<ObjCProtocolDecl>::iterator I = Protocols.begin(), |
| E = Protocols.end(); |
| I != E; ++I) |
| FindImplementableMethods(Context, *I, WantInstanceMethods, ReturnType, |
| KnownMethods, false); |
| } |
| } |
| |
| // Add methods in this container. This operation occurs last because |
| // we want the methods from this container to override any methods |
| // we've previously seen with the same selector. |
| for (ObjCContainerDecl::method_iterator M = Container->meth_begin(), |
| MEnd = Container->meth_end(); |
| M != MEnd; ++M) { |
| if ((*M)->isInstanceMethod() == WantInstanceMethods) { |
| if (!ReturnType.isNull() && |
| !Context.hasSameUnqualifiedType(ReturnType, (*M)->getResultType())) |
| continue; |
| |
| KnownMethods[(*M)->getSelector()] = std::make_pair(*M, InOriginalClass); |
| } |
| } |
| } |
| |
| /// \brief Add the parenthesized return or parameter type chunk to a code |
| /// completion string. |
| static void AddObjCPassingTypeChunk(QualType Type, |
| ASTContext &Context, |
| const PrintingPolicy &Policy, |
| CodeCompletionBuilder &Builder) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk(GetCompletionTypeString(Type, Context, Policy, |
| Builder.getAllocator())); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| /// \brief Determine whether the given class is or inherits from a class by |
| /// the given name. |
| static bool InheritsFromClassNamed(ObjCInterfaceDecl *Class, |
| StringRef Name) { |
| if (!Class) |
| return false; |
| |
| if (Class->getIdentifier() && Class->getIdentifier()->getName() == Name) |
| return true; |
| |
| return InheritsFromClassNamed(Class->getSuperClass(), Name); |
| } |
| |
| /// \brief Add code completions for Objective-C Key-Value Coding (KVC) and |
| /// Key-Value Observing (KVO). |
| static void AddObjCKeyValueCompletions(ObjCPropertyDecl *Property, |
| bool IsInstanceMethod, |
| QualType ReturnType, |
| ASTContext &Context, |
| VisitedSelectorSet &KnownSelectors, |
| ResultBuilder &Results) { |
| IdentifierInfo *PropName = Property->getIdentifier(); |
| if (!PropName || PropName->getLength() == 0) |
| return; |
| |
| PrintingPolicy Policy = getCompletionPrintingPolicy(Results.getSema()); |
| |
| // Builder that will create each code completion. |
| typedef CodeCompletionResult Result; |
| CodeCompletionAllocator &Allocator = Results.getAllocator(); |
| CodeCompletionBuilder Builder(Allocator); |
| |
| // The selector table. |
| SelectorTable &Selectors = Context.Selectors; |
| |
| // The property name, copied into the code completion allocation region |
| // on demand. |
| struct KeyHolder { |
| CodeCompletionAllocator &Allocator; |
| StringRef Key; |
| const char *CopiedKey; |
| |
| KeyHolder(CodeCompletionAllocator &Allocator, StringRef Key) |
| : Allocator(Allocator), Key(Key), CopiedKey(0) { } |
| |
| operator const char *() { |
| if (CopiedKey) |
| return CopiedKey; |
| |
| return CopiedKey = Allocator.CopyString(Key); |
| } |
| } Key(Allocator, PropName->getName()); |
| |
| // The uppercased name of the property name. |
| std::string UpperKey = PropName->getName(); |
| if (!UpperKey.empty()) |
| UpperKey[0] = toupper(UpperKey[0]); |
| |
| bool ReturnTypeMatchesProperty = ReturnType.isNull() || |
| Context.hasSameUnqualifiedType(ReturnType.getNonReferenceType(), |
| Property->getType()); |
| bool ReturnTypeMatchesVoid |
| = ReturnType.isNull() || ReturnType->isVoidType(); |
| |
| // Add the normal accessor -(type)key. |
| if (IsInstanceMethod && |
| KnownSelectors.insert(Selectors.getNullarySelector(PropName)) && |
| ReturnTypeMatchesProperty && !Property->getGetterMethodDecl()) { |
| if (ReturnType.isNull()) |
| AddObjCPassingTypeChunk(Property->getType(), Context, Policy, Builder); |
| |
| Builder.AddTypedTextChunk(Key); |
| Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| |
| // If we have an integral or boolean property (or the user has provided |
| // an integral or boolean return type), add the accessor -(type)isKey. |
| if (IsInstanceMethod && |
| ((!ReturnType.isNull() && |
| (ReturnType->isIntegerType() || ReturnType->isBooleanType())) || |
| (ReturnType.isNull() && |
| (Property->getType()->isIntegerType() || |
| Property->getType()->isBooleanType())))) { |
| std::string SelectorName = (Twine("is") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getNullarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("BOOL"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk( |
| Allocator.CopyString(SelectorId->getName())); |
| Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Add the normal mutator. |
| if (IsInstanceMethod && ReturnTypeMatchesVoid && |
| !Property->getSetterMethodDecl()) { |
| std::string SelectorName = (Twine("set") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk( |
| Allocator.CopyString(SelectorId->getName())); |
| Builder.AddTypedTextChunk(":"); |
| AddObjCPassingTypeChunk(Property->getType(), Context, Policy, Builder); |
| Builder.AddTextChunk(Key); |
| Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Indexed and unordered accessors |
| unsigned IndexedGetterPriority = CCP_CodePattern; |
| unsigned IndexedSetterPriority = CCP_CodePattern; |
| unsigned UnorderedGetterPriority = CCP_CodePattern; |
| unsigned UnorderedSetterPriority = CCP_CodePattern; |
| if (const ObjCObjectPointerType *ObjCPointer |
| = Property->getType()->getAs<ObjCObjectPointerType>()) { |
| if (ObjCInterfaceDecl *IFace = ObjCPointer->getInterfaceDecl()) { |
| // If this interface type is not provably derived from a known |
| // collection, penalize the corresponding completions. |
| if (!InheritsFromClassNamed(IFace, "NSMutableArray")) { |
| IndexedSetterPriority += CCD_ProbablyNotObjCCollection; |
| if (!InheritsFromClassNamed(IFace, "NSArray")) |
| IndexedGetterPriority += CCD_ProbablyNotObjCCollection; |
| } |
| |
| if (!InheritsFromClassNamed(IFace, "NSMutableSet")) { |
| UnorderedSetterPriority += CCD_ProbablyNotObjCCollection; |
| if (!InheritsFromClassNamed(IFace, "NSSet")) |
| UnorderedGetterPriority += CCD_ProbablyNotObjCCollection; |
| } |
| } |
| } else { |
| IndexedGetterPriority += CCD_ProbablyNotObjCCollection; |
| IndexedSetterPriority += CCD_ProbablyNotObjCCollection; |
| UnorderedGetterPriority += CCD_ProbablyNotObjCCollection; |
| UnorderedSetterPriority += CCD_ProbablyNotObjCCollection; |
| } |
| |
| // Add -(NSUInteger)countOf<key> |
| if (IsInstanceMethod && |
| (ReturnType.isNull() || ReturnType->isIntegerType())) { |
| std::string SelectorName = (Twine("countOf") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getNullarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSUInteger"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk( |
| Allocator.CopyString(SelectorId->getName())); |
| Results.AddResult(Result(Builder.TakeString(), |
| std::min(IndexedGetterPriority, |
| UnorderedGetterPriority), |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Indexed getters |
| // Add -(id)objectInKeyAtIndex:(NSUInteger)index |
| if (IsInstanceMethod && |
| (ReturnType.isNull() || ReturnType->isObjCObjectPointerType())) { |
| std::string SelectorName |
| = (Twine("objectIn") + UpperKey + "AtIndex").str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("id"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSUInteger"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("index"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedGetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Add -(NSArray *)keyAtIndexes:(NSIndexSet *)indexes |
| if (IsInstanceMethod && |
| (ReturnType.isNull() || |
| (ReturnType->isObjCObjectPointerType() && |
| ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() && |
| ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() |
| ->getName() == "NSArray"))) { |
| std::string SelectorName |
| = (Twine(Property->getName()) + "AtIndexes").str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSArray *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSIndexSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("indexes"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedGetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Add -(void)getKey:(type **)buffer range:(NSRange)inRange |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName = (Twine("get") + UpperKey).str(); |
| IdentifierInfo *SelectorIds[2] = { |
| &Context.Idents.get(SelectorName), |
| &Context.Idents.get("range") |
| }; |
| |
| if (KnownSelectors.insert(Selectors.getSelector(2, SelectorIds))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("object-type"); |
| Builder.AddTextChunk(" **"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("buffer"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTypedTextChunk("range:"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSRange"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("inRange"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedGetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Mutable indexed accessors |
| |
| // - (void)insertObject:(type *)object inKeyAtIndex:(NSUInteger)index |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName = (Twine("in") + UpperKey + "AtIndex").str(); |
| IdentifierInfo *SelectorIds[2] = { |
| &Context.Idents.get("insertObject"), |
| &Context.Idents.get(SelectorName) |
| }; |
| |
| if (KnownSelectors.insert(Selectors.getSelector(2, SelectorIds))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk("insertObject:"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("object-type"); |
| Builder.AddTextChunk(" *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("object"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("NSUInteger"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("index"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (void)insertKey:(NSArray *)array atIndexes:(NSIndexSet *)indexes |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName = (Twine("insert") + UpperKey).str(); |
| IdentifierInfo *SelectorIds[2] = { |
| &Context.Idents.get(SelectorName), |
| &Context.Idents.get("atIndexes") |
| }; |
| |
| if (KnownSelectors.insert(Selectors.getSelector(2, SelectorIds))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSArray *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("array"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTypedTextChunk("atIndexes:"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("NSIndexSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("indexes"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // -(void)removeObjectFromKeyAtIndex:(NSUInteger)index |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName |
| = (Twine("removeObjectFrom") + UpperKey + "AtIndex").str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSUInteger"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("index"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // -(void)removeKeyAtIndexes:(NSIndexSet *)indexes |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName |
| = (Twine("remove") + UpperKey + "AtIndexes").str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSIndexSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("indexes"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (void)replaceObjectInKeyAtIndex:(NSUInteger)index withObject:(id)object |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName |
| = (Twine("replaceObjectIn") + UpperKey + "AtIndex").str(); |
| IdentifierInfo *SelectorIds[2] = { |
| &Context.Idents.get(SelectorName), |
| &Context.Idents.get("withObject") |
| }; |
| |
| if (KnownSelectors.insert(Selectors.getSelector(2, SelectorIds))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("NSUInteger"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("index"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTypedTextChunk("withObject:"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("id"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("object"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (void)replaceKeyAtIndexes:(NSIndexSet *)indexes withKey:(NSArray *)array |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName1 |
| = (Twine("replace") + UpperKey + "AtIndexes").str(); |
| std::string SelectorName2 = (Twine("with") + UpperKey).str(); |
| IdentifierInfo *SelectorIds[2] = { |
| &Context.Idents.get(SelectorName1), |
| &Context.Idents.get(SelectorName2) |
| }; |
| |
| if (KnownSelectors.insert(Selectors.getSelector(2, SelectorIds))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName1 + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("NSIndexSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("indexes"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName2 + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSArray *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("array"); |
| Results.AddResult(Result(Builder.TakeString(), IndexedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Unordered getters |
| // - (NSEnumerator *)enumeratorOfKey |
| if (IsInstanceMethod && |
| (ReturnType.isNull() || |
| (ReturnType->isObjCObjectPointerType() && |
| ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() && |
| ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() |
| ->getName() == "NSEnumerator"))) { |
| std::string SelectorName = (Twine("enumeratorOf") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getNullarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSEnumerator *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName)); |
| Results.AddResult(Result(Builder.TakeString(), UnorderedGetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (type *)memberOfKey:(type *)object |
| if (IsInstanceMethod && |
| (ReturnType.isNull() || ReturnType->isObjCObjectPointerType())) { |
| std::string SelectorName = (Twine("memberOf") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("object-type"); |
| Builder.AddTextChunk(" *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| if (ReturnType.isNull()) { |
| Builder.AddPlaceholderChunk("object-type"); |
| Builder.AddTextChunk(" *"); |
| } else { |
| Builder.AddTextChunk(GetCompletionTypeString(ReturnType, Context, |
| Policy, |
| Builder.getAllocator())); |
| } |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("object"); |
| Results.AddResult(Result(Builder.TakeString(), UnorderedGetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Mutable unordered accessors |
| // - (void)addKeyObject:(type *)object |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName |
| = (Twine("add") + UpperKey + Twine("Object")).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("object-type"); |
| Builder.AddTextChunk(" *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("object"); |
| Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (void)addKey:(NSSet *)objects |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName = (Twine("add") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("objects"); |
| Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (void)removeKeyObject:(type *)object |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName |
| = (Twine("remove") + UpperKey + Twine("Object")).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("object-type"); |
| Builder.AddTextChunk(" *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("object"); |
| Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (void)removeKey:(NSSet *)objects |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName = (Twine("remove") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("objects"); |
| Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // - (void)intersectKey:(NSSet *)objects |
| if (IsInstanceMethod && ReturnTypeMatchesVoid) { |
| std::string SelectorName = (Twine("intersect") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getUnarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("void"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName + ":")); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Builder.AddTextChunk("objects"); |
| Results.AddResult(Result(Builder.TakeString(), UnorderedSetterPriority, |
| CXCursor_ObjCInstanceMethodDecl)); |
| } |
| } |
| |
| // Key-Value Observing |
| // + (NSSet *)keyPathsForValuesAffectingKey |
| if (!IsInstanceMethod && |
| (ReturnType.isNull() || |
| (ReturnType->isObjCObjectPointerType() && |
| ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() && |
| ReturnType->getAs<ObjCObjectPointerType>()->getInterfaceDecl() |
| ->getName() == "NSSet"))) { |
| std::string SelectorName |
| = (Twine("keyPathsForValuesAffecting") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getNullarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("NSSet *"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName)); |
| Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern, |
| CXCursor_ObjCClassMethodDecl)); |
| } |
| } |
| |
| // + (BOOL)automaticallyNotifiesObserversForKey |
| if (!IsInstanceMethod && |
| (ReturnType.isNull() || |
| ReturnType->isIntegerType() || |
| ReturnType->isBooleanType())) { |
| std::string SelectorName |
| = (Twine("automaticallyNotifiesObserversOf") + UpperKey).str(); |
| IdentifierInfo *SelectorId = &Context.Idents.get(SelectorName); |
| if (KnownSelectors.insert(Selectors.getNullarySelector(SelectorId))) { |
| if (ReturnType.isNull()) { |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddTextChunk("BOOL"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| } |
| |
| Builder.AddTypedTextChunk(Allocator.CopyString(SelectorName)); |
| Results.AddResult(Result(Builder.TakeString(), CCP_CodePattern, |
| CXCursor_ObjCClassMethodDecl)); |
| } |
| } |
| } |
| |
| void Sema::CodeCompleteObjCMethodDecl(Scope *S, |
| bool IsInstanceMethod, |
| ParsedType ReturnTy) { |
| // Determine the return type of the method we're declaring, if |
| // provided. |
| QualType ReturnType = GetTypeFromParser(ReturnTy); |
| Decl *IDecl = 0; |
| if (CurContext->isObjCContainer()) { |
| ObjCContainerDecl *OCD = dyn_cast<ObjCContainerDecl>(CurContext); |
| IDecl = cast<Decl>(OCD); |
| } |
| // Determine where we should start searching for methods. |
| ObjCContainerDecl *SearchDecl = 0; |
| bool IsInImplementation = false; |
| if (Decl *D = IDecl) { |
| if (ObjCImplementationDecl *Impl = dyn_cast<ObjCImplementationDecl>(D)) { |
| SearchDecl = Impl->getClassInterface(); |
| IsInImplementation = true; |
| } else if (ObjCCategoryImplDecl *CatImpl |
| = dyn_cast<ObjCCategoryImplDecl>(D)) { |
| SearchDecl = CatImpl->getCategoryDecl(); |
| IsInImplementation = true; |
| } else |
| SearchDecl = dyn_cast<ObjCContainerDecl>(D); |
| } |
| |
| if (!SearchDecl && S) { |
| if (DeclContext *DC = static_cast<DeclContext *>(S->getEntity())) |
| SearchDecl = dyn_cast<ObjCContainerDecl>(DC); |
| } |
| |
| if (!SearchDecl) { |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| 0, 0); |
| return; |
| } |
| |
| // Find all of the methods that we could declare/implement here. |
| KnownMethodsMap KnownMethods; |
| FindImplementableMethods(Context, SearchDecl, IsInstanceMethod, |
| ReturnType, KnownMethods); |
| |
| // Add declarations or definitions for each of the known methods. |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| Results.EnterNewScope(); |
| PrintingPolicy Policy = getCompletionPrintingPolicy(*this); |
| for (KnownMethodsMap::iterator M = KnownMethods.begin(), |
| MEnd = KnownMethods.end(); |
| M != MEnd; ++M) { |
| ObjCMethodDecl *Method = M->second.first; |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| |
| // If the result type was not already provided, add it to the |
| // pattern as (type). |
| if (ReturnType.isNull()) |
| AddObjCPassingTypeChunk(Method->getResultType(), Context, Policy, |
| Builder); |
| |
| Selector Sel = Method->getSelector(); |
| |
| // Add the first part of the selector to the pattern. |
| Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( |
| Sel.getNameForSlot(0))); |
| |
| // Add parameters to the pattern. |
| unsigned I = 0; |
| for (ObjCMethodDecl::param_iterator P = Method->param_begin(), |
| PEnd = Method->param_end(); |
| P != PEnd; (void)++P, ++I) { |
| // Add the part of the selector name. |
| if (I == 0) |
| Builder.AddTypedTextChunk(":"); |
| else if (I < Sel.getNumArgs()) { |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTypedTextChunk( |
| Builder.getAllocator().CopyString(Sel.getNameForSlot(I) + ":")); |
| } else |
| break; |
| |
| // Add the parameter type. |
| AddObjCPassingTypeChunk((*P)->getOriginalType(), Context, Policy, |
| Builder); |
| |
| if (IdentifierInfo *Id = (*P)->getIdentifier()) |
| Builder.AddTextChunk(Builder.getAllocator().CopyString( Id->getName())); |
| } |
| |
| if (Method->isVariadic()) { |
| if (Method->param_size() > 0) |
| Builder.AddChunk(CodeCompletionString::CK_Comma); |
| Builder.AddTextChunk("..."); |
| } |
| |
| if (IsInImplementation && Results.includeCodePatterns()) { |
| // We will be defining the method here, so add a compound statement. |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_LeftBrace); |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| if (!Method->getResultType()->isVoidType()) { |
| // If the result type is not void, add a return clause. |
| Builder.AddTextChunk("return"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("expression"); |
| Builder.AddChunk(CodeCompletionString::CK_SemiColon); |
| } else |
| Builder.AddPlaceholderChunk("statements"); |
| |
| Builder.AddChunk(CodeCompletionString::CK_VerticalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_RightBrace); |
| } |
| |
| unsigned Priority = CCP_CodePattern; |
| if (!M->second.second) |
| Priority += CCD_InBaseClass; |
| |
| Results.AddResult(Result(Builder.TakeString(), Priority, |
| Method->isInstanceMethod() |
| ? CXCursor_ObjCInstanceMethodDecl |
| : CXCursor_ObjCClassMethodDecl)); |
| } |
| |
| // Add Key-Value-Coding and Key-Value-Observing accessor methods for all of |
| // the properties in this class and its categories. |
| if (Context.getLangOptions().ObjC2) { |
| SmallVector<ObjCContainerDecl *, 4> Containers; |
| Containers.push_back(SearchDecl); |
| |
| VisitedSelectorSet KnownSelectors; |
| for (KnownMethodsMap::iterator M = KnownMethods.begin(), |
| MEnd = KnownMethods.end(); |
| M != MEnd; ++M) |
| KnownSelectors.insert(M->first); |
| |
| |
| ObjCInterfaceDecl *IFace = dyn_cast<ObjCInterfaceDecl>(SearchDecl); |
| if (!IFace) |
| if (ObjCCategoryDecl *Category = dyn_cast<ObjCCategoryDecl>(SearchDecl)) |
| IFace = Category->getClassInterface(); |
| |
| if (IFace) { |
| for (ObjCCategoryDecl *Category = IFace->getCategoryList(); Category; |
| Category = Category->getNextClassCategory()) |
| Containers.push_back(Category); |
| } |
| |
| for (unsigned I = 0, N = Containers.size(); I != N; ++I) { |
| for (ObjCContainerDecl::prop_iterator P = Containers[I]->prop_begin(), |
| PEnd = Containers[I]->prop_end(); |
| P != PEnd; ++P) { |
| AddObjCKeyValueCompletions(*P, IsInstanceMethod, ReturnType, Context, |
| KnownSelectors, Results); |
| } |
| } |
| } |
| |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompleteObjCMethodDeclSelector(Scope *S, |
| bool IsInstanceMethod, |
| bool AtParameterName, |
| ParsedType ReturnTy, |
| IdentifierInfo **SelIdents, |
| unsigned NumSelIdents) { |
| // If we have an external source, load the entire class method |
| // pool from the AST file. |
| if (ExternalSource) { |
| for (uint32_t I = 0, N = ExternalSource->GetNumExternalSelectors(); |
| I != N; ++I) { |
| Selector Sel = ExternalSource->GetExternalSelector(I); |
| if (Sel.isNull() || MethodPool.count(Sel)) |
| continue; |
| |
| ReadMethodPool(Sel); |
| } |
| } |
| |
| // Build the set of methods we can see. |
| typedef CodeCompletionResult Result; |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_Other); |
| |
| if (ReturnTy) |
| Results.setPreferredType(GetTypeFromParser(ReturnTy).getNonReferenceType()); |
| |
| Results.EnterNewScope(); |
| for (GlobalMethodPool::iterator M = MethodPool.begin(), |
| MEnd = MethodPool.end(); |
| M != MEnd; ++M) { |
| for (ObjCMethodList *MethList = IsInstanceMethod ? &M->second.first : |
| &M->second.second; |
| MethList && MethList->Method; |
| MethList = MethList->Next) { |
| if (!isAcceptableObjCMethod(MethList->Method, MK_Any, SelIdents, |
| NumSelIdents)) |
| continue; |
| |
| if (AtParameterName) { |
| // Suggest parameter names we've seen before. |
| if (NumSelIdents && NumSelIdents <= MethList->Method->param_size()) { |
| ParmVarDecl *Param = MethList->Method->param_begin()[NumSelIdents-1]; |
| if (Param->getIdentifier()) { |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( |
| Param->getIdentifier()->getName())); |
| Results.AddResult(Builder.TakeString()); |
| } |
| } |
| |
| continue; |
| } |
| |
| Result R(MethList->Method, 0); |
| R.StartParameter = NumSelIdents; |
| R.AllParametersAreInformative = false; |
| R.DeclaringEntity = true; |
| Results.MaybeAddResult(R, CurContext); |
| } |
| } |
| |
| Results.ExitScope(); |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_Other, |
| Results.data(),Results.size()); |
| } |
| |
| void Sema::CodeCompletePreprocessorDirective(bool InConditional) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_PreprocessorDirective); |
| Results.EnterNewScope(); |
| |
| // #if <condition> |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| Builder.AddTypedTextChunk("if"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("condition"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #ifdef <macro> |
| Builder.AddTypedTextChunk("ifdef"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("macro"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #ifndef <macro> |
| Builder.AddTypedTextChunk("ifndef"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("macro"); |
| Results.AddResult(Builder.TakeString()); |
| |
| if (InConditional) { |
| // #elif <condition> |
| Builder.AddTypedTextChunk("elif"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("condition"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #else |
| Builder.AddTypedTextChunk("else"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #endif |
| Builder.AddTypedTextChunk("endif"); |
| Results.AddResult(Builder.TakeString()); |
| } |
| |
| // #include "header" |
| Builder.AddTypedTextChunk("include"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("\""); |
| Builder.AddPlaceholderChunk("header"); |
| Builder.AddTextChunk("\""); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #include <header> |
| Builder.AddTypedTextChunk("include"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("<"); |
| Builder.AddPlaceholderChunk("header"); |
| Builder.AddTextChunk(">"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #define <macro> |
| Builder.AddTypedTextChunk("define"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("macro"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #define <macro>(<args>) |
| Builder.AddTypedTextChunk("define"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("macro"); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("args"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #undef <macro> |
| Builder.AddTypedTextChunk("undef"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("macro"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #line <number> |
| Builder.AddTypedTextChunk("line"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("number"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #line <number> "filename" |
| Builder.AddTypedTextChunk("line"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("number"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("\""); |
| Builder.AddPlaceholderChunk("filename"); |
| Builder.AddTextChunk("\""); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #error <message> |
| Builder.AddTypedTextChunk("error"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("message"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #pragma <arguments> |
| Builder.AddTypedTextChunk("pragma"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("arguments"); |
| Results.AddResult(Builder.TakeString()); |
| |
| if (getLangOptions().ObjC1) { |
| // #import "header" |
| Builder.AddTypedTextChunk("import"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("\""); |
| Builder.AddPlaceholderChunk("header"); |
| Builder.AddTextChunk("\""); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #import <header> |
| Builder.AddTypedTextChunk("import"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("<"); |
| Builder.AddPlaceholderChunk("header"); |
| Builder.AddTextChunk(">"); |
| Results.AddResult(Builder.TakeString()); |
| } |
| |
| // #include_next "header" |
| Builder.AddTypedTextChunk("include_next"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("\""); |
| Builder.AddPlaceholderChunk("header"); |
| Builder.AddTextChunk("\""); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #include_next <header> |
| Builder.AddTypedTextChunk("include_next"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddTextChunk("<"); |
| Builder.AddPlaceholderChunk("header"); |
| Builder.AddTextChunk(">"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // #warning <message> |
| Builder.AddTypedTextChunk("warning"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddPlaceholderChunk("message"); |
| Results.AddResult(Builder.TakeString()); |
| |
| // Note: #ident and #sccs are such crazy anachronisms that we don't provide |
| // completions for them. And __include_macros is a Clang-internal extension |
| // that we don't want to encourage anyone to use. |
| |
| // FIXME: we don't support #assert or #unassert, so don't suggest them. |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_PreprocessorDirective, |
| Results.data(), Results.size()); |
| } |
| |
| void Sema::CodeCompleteInPreprocessorConditionalExclusion(Scope *S) { |
| CodeCompleteOrdinaryName(S, |
| S->getFnParent()? Sema::PCC_RecoveryInFunction |
| : Sema::PCC_Namespace); |
| } |
| |
| void Sema::CodeCompletePreprocessorMacroName(bool IsDefinition) { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| IsDefinition? CodeCompletionContext::CCC_MacroName |
| : CodeCompletionContext::CCC_MacroNameUse); |
| if (!IsDefinition && (!CodeCompleter || CodeCompleter->includeMacros())) { |
| // Add just the names of macros, not their arguments. |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| Results.EnterNewScope(); |
| for (Preprocessor::macro_iterator M = PP.macro_begin(), |
| MEnd = PP.macro_end(); |
| M != MEnd; ++M) { |
| Builder.AddTypedTextChunk(Builder.getAllocator().CopyString( |
| M->first->getName())); |
| Results.AddResult(Builder.TakeString()); |
| } |
| Results.ExitScope(); |
| } else if (IsDefinition) { |
| // FIXME: Can we detect when the user just wrote an include guard above? |
| } |
| |
| HandleCodeCompleteResults(this, CodeCompleter, Results.getCompletionContext(), |
| Results.data(), Results.size()); |
| } |
| |
| void Sema::CodeCompletePreprocessorExpression() { |
| ResultBuilder Results(*this, CodeCompleter->getAllocator(), |
| CodeCompletionContext::CCC_PreprocessorExpression); |
| |
| if (!CodeCompleter || CodeCompleter->includeMacros()) |
| AddMacroResults(PP, Results); |
| |
| // defined (<macro>) |
| Results.EnterNewScope(); |
| CodeCompletionBuilder Builder(Results.getAllocator()); |
| Builder.AddTypedTextChunk("defined"); |
| Builder.AddChunk(CodeCompletionString::CK_HorizontalSpace); |
| Builder.AddChunk(CodeCompletionString::CK_LeftParen); |
| Builder.AddPlaceholderChunk("macro"); |
| Builder.AddChunk(CodeCompletionString::CK_RightParen); |
| Results.AddResult(Builder.TakeString()); |
| Results.ExitScope(); |
| |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_PreprocessorExpression, |
| Results.data(), Results.size()); |
| } |
| |
| void Sema::CodeCompletePreprocessorMacroArgument(Scope *S, |
| IdentifierInfo *Macro, |
| MacroInfo *MacroInfo, |
| unsigned Argument) { |
| // FIXME: In the future, we could provide "overload" results, much like we |
| // do for function calls. |
| |
| // Now just ignore this. There will be another code-completion callback |
| // for the expanded tokens. |
| } |
| |
| void Sema::CodeCompleteNaturalLanguage() { |
| HandleCodeCompleteResults(this, CodeCompleter, |
| CodeCompletionContext::CCC_NaturalLanguage, |
| 0, 0); |
| } |
| |
| void Sema::GatherGlobalCodeCompletions(CodeCompletionAllocator &Allocator, |
| SmallVectorImpl<CodeCompletionResult> &Results) { |
| ResultBuilder Builder(*this, Allocator, CodeCompletionContext::CCC_Recovery); |
| if (!CodeCompleter || CodeCompleter->includeGlobals()) { |
| CodeCompletionDeclConsumer Consumer(Builder, |
| Context.getTranslationUnitDecl()); |
| LookupVisibleDecls(Context.getTranslationUnitDecl(), LookupAnyName, |
| Consumer); |
| } |
| |
| if (!CodeCompleter || CodeCompleter->includeMacros()) |
| AddMacroResults(PP, Builder); |
| |
| Results.clear(); |
| Results.insert(Results.end(), |
| Builder.data(), Builder.data() + Builder.size()); |
| } |