From 4025e1cdd57ac678eab2f10deceeaa2a04549144 Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Tue, 1 Apr 2014 18:49:22 -0400
Subject: deal with multiple grammars in t2s

---
 decoder/tree_fragment.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/decoder/tree_fragment.h b/decoder/tree_fragment.h
index ceb7fa60..f1c4c106 100644
--- a/decoder/tree_fragment.h
+++ b/decoder/tree_fragment.h
@@ -139,6 +139,10 @@ class BreadthFirstIterator : public std::iterator<std::forward_iterator_tag, uns
     q_.pop_back();
     return *this;
   }
+  unsigned child_node() const {
+    assert(IsRHS(sym));
+    return q_.back().node;
+  }
   BreadthFirstIterator remainder() const {
     assert(IsRHS(sym));
     return BreadthFirstIterator(tf_, q_.back());
-- 
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