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-rw-r--r--lib/AST/ASTContext.cpp11
1 files changed, 11 insertions, 0 deletions
diff --git a/lib/AST/ASTContext.cpp b/lib/AST/ASTContext.cpp
index b695a5b709..896a80a90f 100644
--- a/lib/AST/ASTContext.cpp
+++ b/lib/AST/ASTContext.cpp
@@ -1261,6 +1261,17 @@ void ASTContext::setObjCImplementation(ObjCCategoryDecl *CatD,
ObjCImpls[CatD] = ImplD;
}
+ObjCInterfaceDecl *ASTContext::getObjContainingInterface(NamedDecl *ND) const {
+ if (ObjCInterfaceDecl *ID = dyn_cast<ObjCInterfaceDecl>(ND->getDeclContext()))
+ return ID;
+ if (ObjCCategoryDecl *CD = dyn_cast<ObjCCategoryDecl>(ND->getDeclContext()))
+ return CD->getClassInterface();
+ if (ObjCImplDecl *IMD = dyn_cast<ObjCImplDecl>(ND->getDeclContext()))
+ return IMD->getClassInterface();
+
+ return 0;
+}
+
/// \brief Get the copy initialization expression of VarDecl,or NULL if
/// none exists.
Expr *ASTContext::getBlockVarCopyInits(const VarDecl*VD) {