From b9e6e7e24cc48021090b689e143288e2b7f2b5fc Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Mon, 7 Apr 2014 22:56:34 -0400
Subject: track node state for smarter union

---
 decoder/fst_translator.cc | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'decoder/fst_translator.cc')

diff --git a/decoder/fst_translator.cc b/decoder/fst_translator.cc
index 074de4c9..4253b652 100644
--- a/decoder/fst_translator.cc
+++ b/decoder/fst_translator.cc
@@ -67,6 +67,12 @@ struct FSTTranslatorImpl {
       Hypergraph::Edge* hg_edge = forest->AddEdge(kGOAL_RULE, tail);
       forest->ConnectEdgeToHeadNode(hg_edge, goal);
       forest->Reweight(weights);
+
+      // since we don't do any pruning, the node_hash will be the same for
+      // every run of the composer
+      int nc = 0;
+      for (auto& node : forest->nodes_)
+        node.node_hash = ++nc;
     }
     if (add_pass_through_rules)
       fst->ClearPassThroughTranslations();
-- 
cgit v1.2.3