skip non-declarative code when building NFAs

Author: diakopter

src/QRegex/NFA.nqp

@@ -44,6 +44,7 @@ class QRegex::NFA {
 
     method regex_nfa($node, $from, $to) {
         my $method := ($node.rxtype // 'concat');
+        nqp::say("got method $method");
         self.HOW.can(self, $method) 
          ?? self."$method"($node, $from, $to)
          !! self.fate($node, $from, $to);
@@ -157,6 +158,10 @@ class QRegex::NFA {
             self.fate($node, $from, $to)
         }
     }
+    
+    method pastnode($node, $from, $to) {
+        self.addedge($from, $to, $EDGE_EPSILON, 0);
+    }
 
     method past() {
         return 0 unless $!edges;