1 files changed, 17 insertions, 2 deletions
diff --git a/extractor/grammar.cc b/extractor/grammar.cc
index 79a0541d..8124a804 100644
--- a/extractor/grammar.cc
+++ b/extractor/grammar.cc
@@ -1,17 +1,32 @@
 #include "grammar.h"
 
+#include <iomanip>
+
 #include "rule.h"
 
+using namespace std;
+
 Grammar::Grammar(const vector<Rule>& rules,
                  const vector<string>& feature_names) :
   rules(rules), feature_names(feature_names) {}
 
+vector<Rule> Grammar::GetRules() const {
+  return rules;
+}
+
+vector<string> Grammar::GetFeatureNames() const {
+  return feature_names;
+}
+
 ostream& operator<<(ostream& os, const Grammar& grammar) {
-  for (Rule rule: grammar.rules) {
+  vector<Rule> rules = grammar.GetRules();
+  vector<string> feature_names = grammar.GetFeatureNames();
+  os << setprecision(12);
+  for (Rule rule: rules) {
     os << "[X] ||| " << rule.source_phrase << " ||| "
                      << rule.target_phrase << " |||";
     for (size_t i = 0; i < rule.scores.size(); ++i) {
-      os << " " << grammar.feature_names[i] << "=" << rule.scores[i];
+      os << " " << feature_names[i] << "=" << rule.scores[i];
     }
     os << " |||";
     for (auto link: rule.alignment) {