Have almost got the RNGLR recognizer. Something is wrong with the GSS, I think when it's built. It seems to sometimes have parents as children, or something.

include/RNGLRParser.h

@@ -1,17 +1,20 @@
-
 #include <iostream>
+#include <queue>
+#include "Parser.h"
+#include "GraphStructuredStack.h"
 
-class RNGLRParser {
+class RNGLRParser: public Parser {
 	public:
-		parseInput(std::string inputString);
-		reducer(int i);
-		shifter(int i);
+		RNGLRParser();
+		~RNGLRParser();
+		NodeTree<Symbol*>* parseInput(std::string inputString);
+		void reducer(int i);
+		void shifter(int i);
 	private:
-		Lexer lexer;
 		std::vector<Symbol*> input;
 		GraphStructuredStack gss;
 		//start node, lefthand side of the reduction, reduction length
-		std::queue<std::pair< std::pair<NodeTree<int>*, Symbol*>, int > toReduce;
+		std::queue<std::pair< std::pair<NodeTree<int>*, Symbol*>, int > > toReduce;
 		//Node coming from, state going to
 		std::queue< std::pair<NodeTree<int>*, int> > toShift;
 };