parse_forest_visitor.rb in rley-0.7.08

- old
+ new

@@ -13,12 +13,12 @@
       # an unique prime number (called a signature).
       def add_edge_signatures(prime_enumerator)
         @signatures = subnodes.map { |_| prime_enumerator.next }
       end
 
-      def signature_exist?()
-        @signatures.nil? ? false : true
+      def signature_exist?
+        !@signatures.nil?
       end
     end # class
   end # module
 
   # A visitor class dedicated in the visit of a parse forest.
@@ -67,11 +67,11 @@
     def unsubscribe(aSubscriber)
       subscribers.delete_if { |entry| entry == aSubscriber }
     end
 
     # The signal to begin the visit of the parse forest.
-    def start()
+    def start
       pforest.accept(self)
     end
 
     # Visit event. The visitor is about to visit the pforest.
     # @param aParseForest [ParseForest] the pforest to visit.
@@ -167,11 +167,11 @@
     # @param msg [Symbol] event to notify
     # @param args [Array] arguments of the notification.
     def broadcast(msg, *args)
       subscribers.each do |subscr|
         next unless subscr.respond_to?(msg) || subscr.respond_to?(:accept_all)
-        
+
         subscr.send(msg, *args)
       end
     end
 
     def push_node(aCompositeNode, anEdgeSignature)
@@ -188,10 +188,10 @@
       end
     end
 
     def pop_node
       return if legs.empty?
-      
+
       legs.pop
     end
   end # class
 end # module
 # End of file