binarized cfg names improved

git-svn-id: https://ws10smt.googlecode.com/svn/trunk@538 ec762483-ff6d-05da-a07a-a48fb63a330f

3 files changed, 20 insertions, 9 deletions

diff --git a/decoder/cfg.cc b/decoder/cfg.cc
index aa9e5f30..8fc5b10f 100755
--- a/decoder/cfg.cc
+++ b/decoder/cfg.cc
@@ -22,8 +22,8 @@ WordID BinName(CFG::BinRhs const& b,CFG::NTs const& N,CFG::NTs const& M)
     int n=w; if (n>0) o << TD::Convert(n); \
     else {                                   \
       int i=-n; \
-      CFG::NT const&nt = i<nn?N[i]:M[i-nn];    \
-      o << nt.from << i; }                     \
+      if (i<nn) o<<N[i].from<<i; else o<<M[i-nn].from; \
+    }                                                  \
   } while(0)
 
   BinNameOWORD(b.first);
diff --git a/decoder/cfg_format.h b/decoder/cfg_format.h
index ccf6e3fa..d56d42f2 100755
--- a/decoder/cfg_format.h
+++ b/decoder/cfg_format.h
@@ -67,7 +67,8 @@ struct CFGFormat {
     o<<nt_prefix;
     if (nt_span)
       cfg.print_nt_name(o,id);
-    o<<id;
+    else
+      o<<id;
   }
 
   template <class CFG>
diff --git a/decoder/nt_span.h b/decoder/nt_span.h
index 46234b07..a918f301 100755
--- a/decoder/nt_span.h
+++ b/decoder/nt_span.h
@@ -8,10 +8,15 @@
 struct Span {
   int l,r;
   Span() : l(-1) {  }
+  bool is_null() const { return l<0; }
+  void print(std::ostream &o,char const* for_null="") const {
+    if (is_null())
+      o<<for_null;
+    else
+      o<<'<'<<l<<','<<r<<'>';
+  }
   friend inline std::ostream &operator<<(std::ostream &o,Span const& s) {
-    if (s.l<0)
-      return o;
-    return o<<'<'<<s.l<<','<<s.r<<'>';
+    s.print(o);return o;
   }
 };
 
@@ -20,10 +25,15 @@ struct NTSpan {
   WordID nt; // awkward: this is a positive index, used in TD.  but represented as negative in mixed terminal/NT space in rules/hgs.
   NTSpan() : nt(0) {  }
   // prints as possibly empty name (whatever you set of nt,s will show)
+  void print(std::ostream &o,char const* for_span_null="_",char const* for_null="") const {
+    if (nt>0) {
+      o<<TD::Convert(nt);
+      s.print(o,for_span_null);
+    } else
+      s.print(o,for_null);
+  }
   friend inline std::ostream &operator<<(std::ostream &o,NTSpan const& t) {
-    if (t.nt>0)
-      o<<TD::Convert(t.nt);
-    return o << t.s;
+    t.print(o);return o;
   }
 };