#ifndef __TOKEN
#define __TOKEN

#include <string>

enum token_type { toperator, tnumber, tvariable, tend, terror };

class token
{ protected:
    token_type type;
    string str;
    int val;

  public:
    token(token_type t, string s, int v);
    static token var(string s);
    static token num(int v);
    static token op(string s);
    static token end();
    token_type gettype();
    string getstring();
    int getvalue();
    void print();
};

#endif