[libclang/AST] Index references of protocols in "@protocol(...)" syntax.

To do that, keep track of the location of the protocol id in the ObjCProtocolExpr
AST node.

rdar://11190837

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@156890 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/Parse/ParseObjc.cpp b/lib/Parse/ParseObjc.cpp
index 9aca5cd539..65bcdf4c2c 100644
--- a/lib/Parse/ParseObjc.cpp
+++ b/lib/Parse/ParseObjc.cpp
@@ -2743,12 +2743,13 @@ Parser::ParseObjCProtocolExpression(SourceLocation AtLoc) {
     return ExprError(Diag(Tok, diag::err_expected_ident));
 
   IdentifierInfo *protocolId = Tok.getIdentifierInfo();
-  ConsumeToken();
+  SourceLocation ProtoIdLoc = ConsumeToken();
 
   T.consumeClose();
 
   return Owned(Actions.ParseObjCProtocolExpression(protocolId, AtLoc, ProtoLoc,
                                                    T.getOpenLocation(),
+                                                   ProtoIdLoc,
                                                    T.getCloseLocation()));
 }