diff options
-rw-r--r-- | clang/include/clang/AST/DeclObjC.h | 6 | ||||
-rw-r--r-- | clang/lib/AST/DeclObjC.cpp | 23 |
2 files changed, 29 insertions, 0 deletions
diff --git a/clang/include/clang/AST/DeclObjC.h b/clang/include/clang/AST/DeclObjC.h index aafbe109f93..9b2b6096e81 100644 --- a/clang/include/clang/AST/DeclObjC.h +++ b/clang/include/clang/AST/DeclObjC.h @@ -635,6 +635,12 @@ public: TypeSourceInfo *TInfo, AccessControl ac, Expr *BW = NULL); + /// \brief Return the class interface that this ivar is logically contained + /// in; this is either the interface where the ivar was declared, or the + /// interface the ivar is conceptually a part of in the case of synthesized + /// ivars. + const ObjCInterfaceDecl *getContainingInterface() const; + void setAccessControl(AccessControl ac) { DeclAccess = ac; } AccessControl getAccessControl() const { return AccessControl(DeclAccess); } diff --git a/clang/lib/AST/DeclObjC.cpp b/clang/lib/AST/DeclObjC.cpp index 63f3e047724..821e38bdacf 100644 --- a/clang/lib/AST/DeclObjC.cpp +++ b/clang/lib/AST/DeclObjC.cpp @@ -584,7 +584,30 @@ ObjCIvarDecl *ObjCIvarDecl::Create(ASTContext &C, ObjCContainerDecl *DC, return new (C) ObjCIvarDecl(DC, L, Id, T, TInfo, ac, BW); } +const ObjCInterfaceDecl *ObjCIvarDecl::getContainingInterface() const { + const ObjCContainerDecl *DC = cast<ObjCContainerDecl>(getDeclContext()); + + switch (DC->getKind()) { + default: + case ObjCCategoryImpl: + case ObjCProtocol: + assert(0 && "invalid ivar container!"); + return 0; + + // Ivars can only appear in class extension categories. + case ObjCCategory: { + const ObjCCategoryDecl *CD = cast<ObjCCategoryDecl>(DC); + assert(CD->IsClassExtension() && "invalid container for ivar!"); + return CD->getClassInterface(); + } + + case ObjCImplementation: + return cast<ObjCImplementationDecl>(DC)->getClassInterface(); + case ObjCInterface: + return cast<ObjCInterfaceDecl>(DC); + } +} //===----------------------------------------------------------------------===// // ObjCAtDefsFieldDecl |