Parser support for C++ using directives, from Piotr Rak

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@61486 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 16 insertions, 0 deletions

diff --git a/lib/Parse/Parser.cpp b/lib/Parse/Parser.cpp
index e5b40d9a44..3c79d6405c 100644
--- a/lib/Parse/Parser.cpp
+++ b/lib/Parse/Parser.cpp
@@ -43,6 +43,21 @@ ActionBase::~ActionBase() {}
 ///  Out-of-line virtual destructor to provide home for Action class.
 Action::~Action() {}
 
+// Defined out-of-line here because of dependecy on AttributeList
+Action::DeclTy *Action::ActOnUsingDirective(Scope *CurScope,
+                                            SourceLocation UsingLoc,
+                                            SourceLocation NamespcLoc,
+                                            const CXXScopeSpec &SS,
+                                            SourceLocation IdentLoc,
+                                            IdentifierInfo *NamespcName,
+                                            AttributeList *AttrList) {
+
+  // FIXME: Parser seems to assume that Action::ActOn* takes ownership over
+  // passed AttributeList, however other actions don't free it, is it
+  // temporary state or bug?
+  delete AttrList;
+  return 0;
+}
 
 DiagnosticBuilder Parser::Diag(SourceLocation Loc, unsigned DiagID) {
   return Diags.Report(FullSourceLoc(Loc,PP.getSourceManager()), DiagID);
@@ -358,6 +373,7 @@ Parser::DeclTy *Parser::ParseExternalDeclaration() {
       ConsumeToken();
     }
     return 0;
+  case tok::kw_using:
   case tok::kw_namespace:
   case tok::kw_typedef:
   case tok::kw_template: