%option noyywrap
%option nounput
%{

#include <iostream>
#include <cstdlib>
  using namespace std;
#include "syn_tree.hpp"
#include <vector>
#include "parser.tab.hpp"
  

%}

%%
"begin"        return begin_token;
"end"          return end_token;
"print"        return print_token;
"while"        return while_token;
"do"           return do_token;
"if"           return if_token;
"then"         return then_token;
"else"         return else_token;
[a-zA-Z]+      { yylval.s = new string(yytext); return id_token; }
[0-9]+         { yylval.i = atoi(yytext); return num_token; }
[-+*/();:=.<>] return *yytext;
[ \t\n]        {   }
.  {
  cerr << "Neprepoznat karakter '" << *yytext << "'" << endl;
  exit(EXIT_FAILURE);
}

%%