nitcc: add `Prefixes` operator

[nit.git] / contrib / nitcc / src / re2nfa.nit

diff --git a/contrib/nitcc/src/re2nfa.nit b/contrib/nitcc/src/re2nfa.nit
index d523e51..12cd600 100644 (file)
--- a/contrib/nitcc/src/re2nfa.nit
+++ b/contrib/nitcc/src/re2nfa.nit
@@ -173,6 +173,16 @@ redef class Nre_longest
        end
 end
 
+redef class Nre_prefixes
+       redef fun make_rfa
+       do
+               var a = children[2].make_rfa
+               a.trim
+               a.accept.add_all a.states
+               return a
+       end
+end
+
 redef class Nre_conc
        redef fun make_rfa
        do