[libclang] Implement proper code-completion in an ObjC type parameter position.

rdar://19670303

llvm-svn: 241561

1 files changed, 7 insertions, 2 deletions

diff --git a/clang/lib/Parse/ParseObjc.cpp b/clang/lib/Parse/ParseObjc.cpp
index 4f16d47dfa7..ed6090453da 100644
--- a/clang/lib/Parse/ParseObjc.cpp
+++ b/clang/lib/Parse/ParseObjc.cpp
@@ -1658,8 +1658,13 @@ void Parser::parseObjCTypeArgsOrProtocolQualifiers(
                                                        identifierLocs[i]));
       }
 
-      Actions.CodeCompleteObjCProtocolReferences(identifierLocPairs.data(),
-                                                 identifierLocPairs.size());
+      QualType BaseT = Actions.GetTypeFromParser(baseType);
+      if (!BaseT.isNull() && BaseT->acceptsObjCTypeParams()) {
+        Actions.CodeCompleteOrdinaryName(getCurScope(), Sema::PCC_Type);
+      } else {
+        Actions.CodeCompleteObjCProtocolReferences(identifierLocPairs.data(),
+                                                   identifierLocPairs.size());
+      }
       cutOffParsing();
       return;
     }