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-rw-r--r--decoder/trule.h3
1 files changed, 3 insertions, 0 deletions
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