#include "token.h"
#include <string>
#include <iostream>

token::token(token_type t, string s, int v)      
{ type = t;          
  str = s;          
  val = v; }
    
token token::var(string s)
{ return token(tvariable, s, 0); }

token token::num(int v)
{ return token(tnumber, "", v); }

token token::op(string s)
{ return token(toperator, s, 0); }

token token::end()
{ return token(tend, "", 0); }

token_type token::gettype()
{ return type; }

string token::getstring()
{ return str; }

int token::getvalue()
{ return val; }
                       
void token::print()
{ token_type t = gettype();
  if (t == tnumber)
    cout << "number: " << getvalue() << "\n";
  else if (t == tvariable)                
    cout << "variable: " << getstring() << "\n";
  else if (t == toperator)
    cout << "operator: " << getstring() << "\n";
  else if (t == tend)
    cout << "end\n";             
  else
    cout << "bad token\n"; }