From 255c0958ddc2d06c61160ea654260f146e79092e Mon Sep 17 00:00:00 2001 From: Fariborz Jahanian Date: Tue, 13 Jan 2009 23:34:40 +0000 Subject: Implemenent objective-c's NSObject attribute as a way of ddeclaraing c-type objects as an objective-c object. llvm-svn: 62197 --- clang/lib/Sema/SemaDeclAttr.cpp | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'clang/lib/Sema/SemaDeclAttr.cpp') diff --git a/clang/lib/Sema/SemaDeclAttr.cpp b/clang/lib/Sema/SemaDeclAttr.cpp index 759ef0950b5..f444c71e4f5 100644 --- a/clang/lib/Sema/SemaDeclAttr.cpp +++ b/clang/lib/Sema/SemaDeclAttr.cpp @@ -578,6 +578,22 @@ static void HandleObjCGCAttr(Decl *d, const AttributeList &Attr, Sema &S) { d->addAttr(new ObjCGCAttr(type)); } +static void HandleObjCNSObject(Decl *d, const AttributeList &Attr, Sema &S) { + if (Attr.getNumArgs() != 0) { + S.Diag(Attr.getLoc(), diag::err_attribute_wrong_number_arguments) << 1; + return; + } + if (TypedefDecl *TD = dyn_cast(d)) { + QualType T = TD->getUnderlyingType(); + if (!T->isPointerType() || + !T->getAsPointerType()->getPointeeType()->isRecordType()) { + S.Diag(TD->getLocation(), diag::err_nsobject_attribute); + return; + } + } + d->addAttr(new ObjCNSObjectAttr); +} + static void HandleBlocksAttr(Decl *d, const AttributeList &Attr, Sema &S) { if (!Attr.getParameterName()) { S.Diag(Attr.getLoc(), diag::err_attribute_argument_n_not_string) @@ -1228,6 +1244,7 @@ static void ProcessDeclAttribute(Decl *D, const AttributeList &Attr, Sema &S) { HandleTransparentUnionAttr(D, Attr, S); break; case AttributeList::AT_objc_gc: HandleObjCGCAttr (D, Attr, S); break; + case AttributeList::AT_nsobject: HandleObjCNSObject (D, Attr, S); break; case AttributeList::AT_blocks: HandleBlocksAttr (D, Attr, S); break; case AttributeList::AT_sentinel: HandleSentinelAttr (D, Attr, S); break; case AttributeList::AT_const: HandleConstAttr (D, Attr, S); break; -- cgit v1.2.3