Implementation of Embarcadero array type traits

Patch authored by John Wiegley.

These are array type traits used for parsing code that employs certain
features of the Embarcadero C++ compiler: __array_rank(T) and
__array_extent(T, Dim).

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@130351 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/tools/libclang/CIndex.cpp b/tools/libclang/CIndex.cpp
index a0e204d..673f3eb 100644
--- a/tools/libclang/CIndex.cpp
+++ b/tools/libclang/CIndex.cpp
@@ -1790,6 +1790,7 @@
   void VisitWhileStmt(WhileStmt *W);
   void VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E);
   void VisitBinaryTypeTraitExpr(BinaryTypeTraitExpr *E);
+  void VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E);
   void VisitExpressionTraitExpr(ExpressionTraitExpr *E);
   void VisitUnresolvedMemberExpr(UnresolvedMemberExpr *U);
   void VisitVAArgExpr(VAArgExpr *E);
@@ -2070,6 +2071,7 @@
   AddStmt(W->getCond());
   AddDecl(W->getConditionVariable());
 }
+
 void EnqueueVisitor::VisitUnaryTypeTraitExpr(UnaryTypeTraitExpr *E) {
   AddTypeLoc(E->getQueriedTypeSourceInfo());
 }
@@ -2079,6 +2081,10 @@
   AddTypeLoc(E->getLhsTypeSourceInfo());
 }
 
+void EnqueueVisitor::VisitArrayTypeTraitExpr(ArrayTypeTraitExpr *E) {
+  AddTypeLoc(E->getQueriedTypeSourceInfo());
+}
+
 void EnqueueVisitor::VisitExpressionTraitExpr(ExpressionTraitExpr *E) {
   EnqueueChildren(E);
 }