Added EOF symbol, making the getTable() saner for ACCEPT and lookahead support in ParseRule

src/Lexer.cpp

@@ -0,0 +1,24 @@
+#include "Lexer.h"
+
+Lexer::Lexer() {
+	//Do nothing
+}
+
+Lexer::Lexer(std::string inputString) {
+	reader.setString(inputString);
+}
+
+Lexer::~Lexer() {
+	//No cleanup necessary
+}
+
+void Lexer::setInput(std::string inputString) {
+	reader.setString(inputString);
+}
+
+Symbol* Lexer::next() {
+	std::string token = reader.word();
+	if (token != "")
+		return new Symbol("\""+token+"\"", true);
+	return new Symbol("$EOF$", false);
+}