Implement rewrite rules for ObjC string constants.



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@43665 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Parse/ParseObjc.cpp b/Parse/ParseObjc.cpp
index 23d5f0e..6464ca1 100644
--- a/Parse/ParseObjc.cpp
+++ b/Parse/ParseObjc.cpp
@@ -1155,7 +1155,7 @@
   switch (Tok.getKind()) {
     case tok::string_literal:    // primary-expression: string-literal
     case tok::wide_string_literal:
-      return ParsePostfixExpressionSuffix(ParseObjCStringLiteral());
+      return ParsePostfixExpressionSuffix(ParseObjCStringLiteral(AtLoc));
     default:
       break;
   }
@@ -1285,12 +1285,12 @@
                                       &KeyExprs[0]);
 }
 
-Parser::ExprResult Parser::ParseObjCStringLiteral() {
+Parser::ExprResult Parser::ParseObjCStringLiteral(SourceLocation AtLoc) {
   ExprResult Res = ParseStringLiteralExpression();
 
   if (Res.isInvalid) return Res;
 
-  return Actions.ParseObjCStringLiteral(Res.Val);
+  return Actions.ParseObjCStringLiteral(AtLoc, Res.Val);
 }
 
 ///    objc-encode-expression: