Null rules work in RNGLR now, but there seems to be a bug where somehow some states/rules get no lookahead.

include/ParseRule.h

@@ -33,8 +33,6 @@ class ParseRule {
 		int getRightSize();
 		int getIndex();
 
-		std::vector<NodeTree<Symbol*>*>* nullReductions();
-
 		bool advancePointer();
 		bool isAtEnd();
 

include/RNGLRParser.h

@@ -11,6 +11,8 @@ class RNGLRParser: public Parser {
 		void reducer(int i);
 		void shifter(int i);
 		void addStates(std::vector< State* >* stateSets, State* state);
+		bool reducesToNull(ParseRule* rule);
+		bool reducesToNull(ParseRule* rule, std::vector<Symbol*> avoidList);
 	private:
 		std::vector<Symbol*> input;
 		GraphStructuredStack gss;