Added "arg_iterators" to ObjCMessageExpr (for iterating over the arguments of a message expression)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@48756 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 8 insertions, 0 deletions

diff --git a/include/clang/AST/Expr.h b/include/clang/AST/Expr.h
index 73ed5df66b..37f5d66a14 100644
--- a/include/clang/AST/Expr.h
+++ b/include/clang/AST/Expr.h
@@ -1551,6 +1551,14 @@ public:
   // Iterators
   virtual child_iterator child_begin();
   virtual child_iterator child_end();
+  
+  typedef Expr** arg_iterator;
+  typedef const Expr* const* const_arg_iterator;
+  
+  arg_iterator arg_begin() { return &SubExprs[ARGS_START]; }
+  arg_iterator arg_end()   { return arg_begin() + NumArgs; }
+  const_arg_iterator arg_begin() const { return &SubExprs[ARGS_START]; }
+  const_arg_iterator arg_end() const { return arg_begin() + NumArgs; }  
 };
 
 }  // end namespace clang