Implement the sizeof...(pack) expression to compute the length of a

parameter pack.

Note that we're missing proper libclang support for the new
SizeOfPackExpr expression node.

llvm-svn: 122813

1 files changed, 12 insertions, 0 deletions

diff --git a/clang/lib/AST/ExprCXX.cpp b/clang/lib/AST/ExprCXX.cpp
index 4592e5f5715..fcedb8e7bb6 100644
--- a/clang/lib/AST/ExprCXX.cpp
+++ b/clang/lib/AST/ExprCXX.cpp
@@ -1037,3 +1037,15 @@ Stmt::child_iterator PackExpansionExpr::child_begin() {
 Stmt::child_iterator PackExpansionExpr::child_end() {
   return child_iterator(&Pattern + 1);
 }
+
+SourceRange SizeOfPackExpr::getSourceRange() const {
+  return SourceRange(OperatorLoc, RParenLoc);
+}
+
+Stmt::child_iterator SizeOfPackExpr::child_begin() {
+  return child_iterator();
+}
+
+Stmt::child_iterator SizeOfPackExpr::child_end() {
+  return child_iterator();
+}