Tokenizing input

Token.h

@@ -5,18 +5,39 @@
 
 class Token {
 public:
-    enum Kind {
-        integer,
-        real,
-        eof
+    enum Kind {        
+        PLUS,
+        MINUS,
+        STAR,
+        SLASH,
+        PERCENT,
+        
+        LEFT_PAREN,
+        RIGHT_PAREN,
+        DOT,
+        COMMA,
+
+        INTEGER,
+
+        NEW_LINE,
+
+        END,
+        INVALID
     };
 
 private:
     Kind kind;
+    std::string lexme;
 
 public:
-    Token(Kind kind);
+    Token(Kind kind, std::string lexme);
+    Kind getKind();
+    std::string getLexme();
+    bool operator==(Token const& other);
+    bool operator!=(Token const& other);
     std::string toString();
+
+    static Token Invalid;
 };
 
 #endif