diff options
| -rw-r--r-- | clang/include/clang/AST/Type.h | 58 |
1 files changed, 54 insertions, 4 deletions
diff --git a/clang/include/clang/AST/Type.h b/clang/include/clang/AST/Type.h index beedbfb2748..03171b859b5 100644 --- a/clang/include/clang/AST/Type.h +++ b/clang/include/clang/AST/Type.h @@ -1101,7 +1101,12 @@ public: - +/// ObjCInterfaceType - Interfaces are the core concept in Objective-C for +/// object oriented design. They basically correspond to C++ classes. There +/// are two kinds of interface types, normal interfaces like "NSString" and +/// qualified interfaces, which are qualified with a protocol list like +/// "NSString<NSCopyable, NSAmazing>". Qualified interface types are instances +/// of ObjCQualifiedInterfaceType, which is a subclass of ObjCInterfaceType. class ObjCInterfaceType : public Type { ObjCInterfaceDecl *Decl; protected: @@ -1112,8 +1117,25 @@ public: ObjCInterfaceDecl *getDecl() const { return Decl; } - virtual void getAsStringInternal(std::string &InnerString) const; + /// qual_iterator and friends: this provides access to the (potentially empty) + /// list of protocols qualifying this interface. If this is an instance of + /// ObjCQualifiedInterfaceType it returns the list, otherwise it returns an + /// empty list if there are no qualifying protocols. + typedef llvm::SmallVector<ObjCProtocolDecl*, 8>::const_iterator qual_iterator; + inline qual_iterator qual_begin() const; + inline qual_iterator qual_end() const; + bool qual_empty() const { return getTypeClass() != ObjCQualifiedInterface; } + + /// getNumProtocols - Return the number of qualifying protocols in this + /// interface type, or 0 if there are none. + inline unsigned getNumProtocols() const; + + /// getProtocols - Return the specified qualifying protocol. + inline ObjCProtocolDecl *getProtocols(unsigned i) const; + + + virtual void getAsStringInternal(std::string &InnerString) const; static bool classof(const Type *T) { return T->getTypeClass() == ObjCInterface || T->getTypeClass() == ObjCQualifiedInterface; @@ -1131,7 +1153,7 @@ class ObjCQualifiedInterfaceType : public ObjCInterfaceType, // List of protocols for this protocol conforming object type // List is sorted on protocol name. No protocol is enterred more than once. - llvm::SmallVector<ObjCProtocolDecl*, 8> Protocols; + llvm::SmallVector<ObjCProtocolDecl*, 4> Protocols; ObjCQualifiedInterfaceType(ObjCInterfaceDecl *D, ObjCProtocolDecl **Protos, unsigned NumP) : @@ -1147,7 +1169,6 @@ public: return Protocols.size(); } - typedef llvm::SmallVector<ObjCProtocolDecl*, 8>::const_iterator qual_iterator; qual_iterator qual_begin() const { return Protocols.begin(); } qual_iterator qual_end() const { return Protocols.end(); } @@ -1163,6 +1184,35 @@ public: } static bool classof(const ObjCQualifiedInterfaceType *) { return true; } }; + +inline ObjCInterfaceType::qual_iterator ObjCInterfaceType::qual_begin() const { + if (const ObjCQualifiedInterfaceType *QIT = + dyn_cast<ObjCQualifiedInterfaceType>(this)) + return QIT->qual_begin(); + return 0; +} +inline ObjCInterfaceType::qual_iterator ObjCInterfaceType::qual_end() const { + if (const ObjCQualifiedInterfaceType *QIT = + dyn_cast<ObjCQualifiedInterfaceType>(this)) + return QIT->qual_end(); + return 0; +} + +/// getNumProtocols - Return the number of qualifying protocols in this +/// interface type, or 0 if there are none. +inline unsigned ObjCInterfaceType::getNumProtocols() const { + if (const ObjCQualifiedInterfaceType *QIT = + dyn_cast<ObjCQualifiedInterfaceType>(this)) + return QIT->getNumProtocols(); + return 0; +} + +/// getProtocols - Return the specified qualifying protocol. +inline ObjCProtocolDecl *ObjCInterfaceType::getProtocols(unsigned i) const { + return cast<ObjCQualifiedInterfaceType>(this)->getProtocols(i); +} + + /// ObjCQualifiedIdType - to represent id<protocol-list>. /// |
