Added a firstSet(Symbol*) function that takes in a Symbol* and returns a vector of Symbol* s that are the first set of the first Symbol*.

main.cpp

@@ -69,6 +69,7 @@ int main(int argc, char* argv[]) {
 
 	std::cout << programInputFileString << std::endl;
 	NodeTree* parseTree = parser.parseInput(new Lexer(programInputFileString));
+	parser.printFirstSets();
 
 	if (parseTree) {
 		std::cout << parseTree->DOTGraphString() << std::endl;