From: Argyrios Kyrtzidis <akyrtzi@gmail.com>
Date: Sat, 4 Feb 2012 01:04:58 +0000 (+0000)
Subject: [libclang] Stick to the silly notion that a forward class/protocol
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=1836db0f2c7527ac11af0044ab89150f9aaf22e1;p=clang

[libclang] Stick to the silly notion that a forward class/protocol
declaration is a reference. rdar://10749990

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@149733 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index a2c0fb0bdf..675126de09 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -560,6 +560,20 @@ bool CursorVisitor::VisitDeclContext(DeclContext *DC) {
     if (D->getLexicalDeclContext() != DC)
       continue;
     CXCursor Cursor = MakeCXCursor(D, TU, RegionOfInterest);
+
+    // FIXME: ObjCClassRef/ObjCProtocolRef for forward class/protocol
+    // declarations is a mismatch with the compiler semantics.
+    if (Cursor.kind == CXCursor_ObjCInterfaceDecl) {
+      ObjCInterfaceDecl *ID = cast<ObjCInterfaceDecl>(D);
+      if (!ID->isThisDeclarationADefinition())
+        Cursor = MakeCursorObjCClassRef(ID, ID->getLocation(), TU);
+
+    } else if (Cursor.kind == CXCursor_ObjCProtocolDecl) {
+      ObjCProtocolDecl *PD = cast<ObjCProtocolDecl>(D);
+      if (!PD->isThisDeclarationADefinition())
+        Cursor = MakeCursorObjCProtocolRef(PD, PD->getLocation(), TU);
+    }
+
     const llvm::Optional<bool> &V = shouldVisitCursor(Cursor);
     if (!V.hasValue())
       continue;