Constify ASTContext::getObjContainingInterface

llvm-svn: 174282

2 files changed, 9 insertions, 5 deletions

diff --git a/clang/include/clang/AST/ASTContext.h b/clang/include/clang/AST/ASTContext.h
index 00af4cb08a1..eb14ff5b04b 100644
--- a/clang/include/clang/AST/ASTContext.h
+++ b/clang/include/clang/AST/ASTContext.h
@@ -1982,7 +1982,7 @@ public:
   /// \brief Returns the Objective-C interface that \p ND belongs to if it is
   /// an Objective-C method/property/ivar etc. that is part of an interface,
   /// otherwise returns null.
-  ObjCInterfaceDecl *getObjContainingInterface(NamedDecl *ND) const;
+  const ObjCInterfaceDecl *getObjContainingInterface(const NamedDecl *ND) const;
   
   /// \brief Set the copy inialization expression of a block var decl.
   void setBlockVarCopyInits(VarDecl*VD, Expr* Init);
diff --git a/clang/lib/AST/ASTContext.cpp b/clang/lib/AST/ASTContext.cpp
index 5d155730384..f97e6e9119c 100644
--- a/clang/lib/AST/ASTContext.cpp
+++ b/clang/lib/AST/ASTContext.cpp
@@ -1805,12 +1805,16 @@ void ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD,
   ObjCImpls[CatD] = ImplD;
 }
 
-ObjCInterfaceDecl *ASTContext::getObjContainingInterface(NamedDecl *ND) const {
-  if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(ND->getDeclContext()))
+const ObjCInterfaceDecl *ASTContext::getObjContainingInterface(
+                                              const NamedDecl *ND) const {
+  if (const ObjCInterfaceDecl *ID =
+          dyn_cast<ObjCInterfaceDecl>(ND->getDeclContext()))
     return ID;
-  if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(ND->getDeclContext()))
+  if (const ObjCCategoryDecl *CD =
+          dyn_cast<ObjCCategoryDecl>(ND->getDeclContext()))
     return CD->getClassInterface();
-  if (ObjCImplDecl *IMD = dyn_cast<ObjCImplDecl>(ND->getDeclContext()))
+  if (const ObjCImplDecl *IMD =
+          dyn_cast<ObjCImplDecl>(ND->getDeclContext()))
     return IMD->getClassInterface();
 
   return 0;