From 3e82edae3cb6a347a3094b82f961082421fe6cb9 Mon Sep 17 00:00:00 2001
From: Chris Dyer <redpony@gmail.com>
Date: Fri, 13 Jun 2014 00:26:36 -0400
Subject: new trule datastructure that can store t2s with multiple states
 (i.e., t2t rules)

---
 decoder/trule.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/decoder/trule.h b/decoder/trule.h
index cc370757..243b0da9 100644
--- a/decoder/trule.h
+++ b/decoder/trule.h
@@ -144,6 +144,9 @@ class TRule {
   SparseVector<double> scores_;
 
   char arity_;
+  std::vector<WordID> ext_states_; // in t2s or t2t translation, this is of length arity_ and
+                                   // indicates what state the transducer is in after having processed
+                                   // this transduction rule
 
   // these attributes are application-specific and should probably be refactored
   TRulePtr parent_rule_;  // usually NULL, except when doing constrained decoding
-- 
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