diff options
Diffstat (limited to 'include/clang/AST/DeclObjC.h')
| -rw-r--r-- | include/clang/AST/DeclObjC.h | 191 |
1 files changed, 86 insertions, 105 deletions
diff --git a/include/clang/AST/DeclObjC.h b/include/clang/AST/DeclObjC.h index c1cc726e3152..5b57411f9785 100644 --- a/include/clang/AST/DeclObjC.h +++ b/include/clang/AST/DeclObjC.h @@ -137,62 +137,17 @@ public: /// the above methods are setMenu:, menu, replaceSubview:with:, and defaultMenu. /// class ObjCMethodDecl : public NamedDecl, public DeclContext { + // This class stores some data in DeclContext::ObjCMethodDeclBits + // to save some space. Use the provided accessors to access it. + public: enum ImplementationControl { None, Required, Optional }; private: - // The conventional meaning of this method; an ObjCMethodFamily. - // This is not serialized; instead, it is computed on demand and - // cached. - mutable unsigned Family : ObjCMethodFamilyBitWidth; - - /// instance (true) or class (false) method. - unsigned IsInstance : 1; - unsigned IsVariadic : 1; - - /// True if this method is the getter or setter for an explicit property. - unsigned IsPropertyAccessor : 1; - - // Method has a definition. - unsigned IsDefined : 1; - - /// Method redeclaration in the same interface. - unsigned IsRedeclaration : 1; - - /// Is redeclared in the same interface. - mutable unsigned HasRedeclaration : 1; - - // NOTE: VC++ treats enums as signed, avoid using ImplementationControl enum - /// \@required/\@optional - unsigned DeclImplementation : 2; - - // NOTE: VC++ treats enums as signed, avoid using the ObjCDeclQualifier enum - /// in, inout, etc. - unsigned objcDeclQualifier : 7; - - /// Indicates whether this method has a related result type. - unsigned RelatedResultType : 1; - - /// Whether the locations of the selector identifiers are in a - /// "standard" position, a enum SelectorLocationsKind. - unsigned SelLocsKind : 2; - - /// Whether this method overrides any other in the class hierarchy. - /// - /// A method is said to override any method in the class's - /// base classes, its protocols, or its categories' protocols, that has - /// the same selector and is of the same kind (class or instance). - /// A method in an implementation is not considered as overriding the same - /// method in the interface or its categories. - unsigned IsOverriding : 1; - - /// Indicates if the method was a definition but its body was skipped. - unsigned HasSkippedBody : 1; - - // Return type of this method. + /// Return type of this method. QualType MethodDeclType; - // Type source information for the return type. + /// Type source information for the return type. TypeSourceInfo *ReturnTInfo; /// Array of ParmVarDecls for the formal parameters of this method @@ -203,7 +158,7 @@ private: /// List of attributes for this method declaration. SourceLocation DeclEndLoc; // the location of the ';' or '{'. - // The following are only used for method definitions, null otherwise. + /// The following are only used for method definitions, null otherwise. LazyDeclStmtPtr Body; /// SelfDecl - Decl for the implicit self parameter. This is lazily @@ -220,21 +175,14 @@ private: bool isVariadic = false, bool isPropertyAccessor = false, bool isImplicitlyDeclared = false, bool isDefined = false, ImplementationControl impControl = None, - bool HasRelatedResultType = false) - : NamedDecl(ObjCMethod, contextDecl, beginLoc, SelInfo), - DeclContext(ObjCMethod), Family(InvalidObjCMethodFamily), - IsInstance(isInstance), IsVariadic(isVariadic), - IsPropertyAccessor(isPropertyAccessor), IsDefined(isDefined), - IsRedeclaration(0), HasRedeclaration(0), DeclImplementation(impControl), - objcDeclQualifier(OBJC_TQ_None), - RelatedResultType(HasRelatedResultType), - SelLocsKind(SelLoc_StandardNoSpace), IsOverriding(0), HasSkippedBody(0), - MethodDeclType(T), ReturnTInfo(ReturnTInfo), DeclEndLoc(endLoc) { - setImplicit(isImplicitlyDeclared); - } + bool HasRelatedResultType = false); SelectorLocationsKind getSelLocsKind() const { - return (SelectorLocationsKind)SelLocsKind; + return static_cast<SelectorLocationsKind>(ObjCMethodDeclBits.SelLocsKind); + } + + void setSelLocsKind(SelectorLocationsKind Kind) { + ObjCMethodDeclBits.SelLocsKind = Kind; } bool hasStandardSelLocs() const { @@ -244,10 +192,10 @@ private: /// Get a pointer to the stored selector identifiers locations array. /// No locations will be stored if HasStandardSelLocs is true. SourceLocation *getStoredSelLocs() { - return reinterpret_cast<SourceLocation*>(getParams() + NumParams); + return reinterpret_cast<SourceLocation *>(getParams() + NumParams); } const SourceLocation *getStoredSelLocs() const { - return reinterpret_cast<const SourceLocation*>(getParams() + NumParams); + return reinterpret_cast<const SourceLocation *>(getParams() + NumParams); } /// Get a pointer to the stored selector identifiers locations array. @@ -297,36 +245,50 @@ public: } ObjCDeclQualifier getObjCDeclQualifier() const { - return ObjCDeclQualifier(objcDeclQualifier); + return static_cast<ObjCDeclQualifier>(ObjCMethodDeclBits.objcDeclQualifier); + } + + void setObjCDeclQualifier(ObjCDeclQualifier QV) { + ObjCMethodDeclBits.objcDeclQualifier = QV; } - void setObjCDeclQualifier(ObjCDeclQualifier QV) { objcDeclQualifier = QV; } /// Determine whether this method has a result type that is related /// to the message receiver's type. - bool hasRelatedResultType() const { return RelatedResultType; } + bool hasRelatedResultType() const { + return ObjCMethodDeclBits.RelatedResultType; + } /// Note whether this method has a related result type. - void SetRelatedResultType(bool RRT = true) { RelatedResultType = RRT; } + void setRelatedResultType(bool RRT = true) { + ObjCMethodDeclBits.RelatedResultType = RRT; + } /// True if this is a method redeclaration in the same interface. - bool isRedeclaration() const { return IsRedeclaration; } + bool isRedeclaration() const { return ObjCMethodDeclBits.IsRedeclaration; } + void setIsRedeclaration(bool RD) { ObjCMethodDeclBits.IsRedeclaration = RD; } void setAsRedeclaration(const ObjCMethodDecl *PrevMethod); + /// True if redeclared in the same interface. + bool hasRedeclaration() const { return ObjCMethodDeclBits.HasRedeclaration; } + void setHasRedeclaration(bool HRD) const { + ObjCMethodDeclBits.HasRedeclaration = HRD; + } + /// Returns the location where the declarator ends. It will be /// the location of ';' for a method declaration and the location of '{' /// for a method definition. SourceLocation getDeclaratorEndLoc() const { return DeclEndLoc; } // Location information, modeled after the Stmt API. - SourceLocation getLocStart() const LLVM_READONLY { return getLocation(); } - SourceLocation getLocEnd() const LLVM_READONLY; + SourceLocation getBeginLoc() const LLVM_READONLY { return getLocation(); } + SourceLocation getEndLoc() const LLVM_READONLY; SourceRange getSourceRange() const override LLVM_READONLY { - return SourceRange(getLocation(), getLocEnd()); + return SourceRange(getLocation(), getEndLoc()); } SourceLocation getSelectorStartLoc() const { if (isImplicit()) - return getLocStart(); + return getBeginLoc(); return getSelectorLoc(0); } @@ -407,6 +369,14 @@ public: NumParams); } + ParmVarDecl *getParamDecl(unsigned Idx) { + assert(Idx < NumParams && "Index out of bounds!"); + return getParams()[Idx]; + } + const ParmVarDecl *getParamDecl(unsigned Idx) const { + return const_cast<ObjCMethodDecl *>(this)->getParamDecl(Idx); + } + /// Sets the method's parameters and selector source locations. /// If the method is implicit (not coming from source) \p SelLocs is /// ignored. @@ -449,18 +419,26 @@ public: /// Determines the family of this method. ObjCMethodFamily getMethodFamily() const; - bool isInstanceMethod() const { return IsInstance; } - void setInstanceMethod(bool isInst) { IsInstance = isInst; } - bool isVariadic() const { return IsVariadic; } - void setVariadic(bool isVar) { IsVariadic = isVar; } + bool isInstanceMethod() const { return ObjCMethodDeclBits.IsInstance; } + void setInstanceMethod(bool isInst) { + ObjCMethodDeclBits.IsInstance = isInst; + } - bool isClassMethod() const { return !IsInstance; } + bool isVariadic() const { return ObjCMethodDeclBits.IsVariadic; } + void setVariadic(bool isVar) { ObjCMethodDeclBits.IsVariadic = isVar; } - bool isPropertyAccessor() const { return IsPropertyAccessor; } - void setPropertyAccessor(bool isAccessor) { IsPropertyAccessor = isAccessor; } + bool isClassMethod() const { return !isInstanceMethod(); } - bool isDefined() const { return IsDefined; } - void setDefined(bool isDefined) { IsDefined = isDefined; } + bool isPropertyAccessor() const { + return ObjCMethodDeclBits.IsPropertyAccessor; + } + + void setPropertyAccessor(bool isAccessor) { + ObjCMethodDeclBits.IsPropertyAccessor = isAccessor; + } + + bool isDefined() const { return ObjCMethodDeclBits.IsDefined; } + void setDefined(bool isDefined) { ObjCMethodDeclBits.IsDefined = isDefined; } /// Whether this method overrides any other in the class hierarchy. /// @@ -469,8 +447,8 @@ public: /// the same selector and is of the same kind (class or instance). /// A method in an implementation is not considered as overriding the same /// method in the interface or its categories. - bool isOverriding() const { return IsOverriding; } - void setOverriding(bool isOverriding) { IsOverriding = isOverriding; } + bool isOverriding() const { return ObjCMethodDeclBits.IsOverriding; } + void setOverriding(bool IsOver) { ObjCMethodDeclBits.IsOverriding = IsOver; } /// Return overridden methods for the given \p Method. /// @@ -484,8 +462,10 @@ public: SmallVectorImpl<const ObjCMethodDecl *> &Overridden) const; /// True if the method was a definition but its body was skipped. - bool hasSkippedBody() const { return HasSkippedBody; } - void setHasSkippedBody(bool Skipped = true) { HasSkippedBody = Skipped; } + bool hasSkippedBody() const { return ObjCMethodDeclBits.HasSkippedBody; } + void setHasSkippedBody(bool Skipped = true) { + ObjCMethodDeclBits.HasSkippedBody = Skipped; + } /// Returns the property associated with this method's selector. /// @@ -496,11 +476,11 @@ public: // Related to protocols declared in \@protocol void setDeclImplementation(ImplementationControl ic) { - DeclImplementation = ic; + ObjCMethodDeclBits.DeclImplementation = ic; } ImplementationControl getImplementationControl() const { - return ImplementationControl(DeclImplementation); + return ImplementationControl(ObjCMethodDeclBits.DeclImplementation); } bool isOptional() const { @@ -534,6 +514,9 @@ public: /// Returns whether this specific method is a definition. bool isThisDeclarationADefinition() const { return hasBody(); } + /// Is this method defined in the NSObject base class? + bool definedInNSObject(const ASTContext &) const; + // Implement isa/cast/dyncast/etc. static bool classof(const Decl *D) { return classofKind(D->getKind()); } static bool classofKind(Kind K) { return K == ObjCMethod; } @@ -984,7 +967,8 @@ public: /// ObjCProtocolDecl, and ObjCImplDecl. /// class ObjCContainerDecl : public NamedDecl, public DeclContext { - SourceLocation AtStart; + // This class stores some data in DeclContext::ObjCContainerDeclBits + // to save some space. Use the provided accessors to access it. // These two locations in the range mark the end of the method container. // The first points to the '@' token, and the second to the 'end' token. @@ -993,10 +977,8 @@ class ObjCContainerDecl : public NamedDecl, public DeclContext { void anchor() override; public: - ObjCContainerDecl(Kind DK, DeclContext *DC, - IdentifierInfo *Id, SourceLocation nameLoc, - SourceLocation atStartLoc) - : NamedDecl(DK, DC, nameLoc, Id), DeclContext(DK), AtStart(atStartLoc) {} + ObjCContainerDecl(Kind DK, DeclContext *DC, IdentifierInfo *Id, + SourceLocation nameLoc, SourceLocation atStartLoc); // Iterator access to instance/class properties. using prop_iterator = specific_decl_iterator<ObjCPropertyDecl>; @@ -1130,20 +1112,19 @@ public: virtual void collectPropertiesToImplement(PropertyMap &PM, PropertyDeclOrder &PO) const {} - SourceLocation getAtStartLoc() const { return AtStart; } - void setAtStartLoc(SourceLocation Loc) { AtStart = Loc; } + SourceLocation getAtStartLoc() const { return ObjCContainerDeclBits.AtStart; } - // Marks the end of the container. - SourceRange getAtEndRange() const { - return AtEnd; + void setAtStartLoc(SourceLocation Loc) { + ObjCContainerDeclBits.AtStart = Loc; } - void setAtEndRange(SourceRange atEnd) { - AtEnd = atEnd; - } + // Marks the end of the container. + SourceRange getAtEndRange() const { return AtEnd; } + + void setAtEndRange(SourceRange atEnd) { AtEnd = atEnd; } SourceRange getSourceRange() const override LLVM_READONLY { - return SourceRange(AtStart, getAtEndRange().getEnd()); + return SourceRange(getAtStartLoc(), getAtEndRange().getEnd()); } // Implement isa/cast/dyncast/etc. @@ -2831,7 +2812,7 @@ public: SourceRange getSourceRange() const override LLVM_READONLY; - SourceLocation getLocStart() const LLVM_READONLY { return AtLoc; } + SourceLocation getBeginLoc() const LLVM_READONLY { return AtLoc; } void setAtLoc(SourceLocation Loc) { AtLoc = Loc; } ObjCPropertyDecl *getPropertyDecl() const { |