digito [0-9]
letra [a-zA-Z]
alfanumerico [a-zA-Z0-9]
puntuacion [\.,:;-_\[\]\{\}Ώ?‘!()""'']
id letra|letra[alfanumerico|_]*
operador [“or” | “and” | “not” | “<” | “<=” | “>” | “>=” | “==” | “!=” | “+” | “*” | “/” | “-“]

%%

{id}    { printf ("T_ID:%s ", yytext); }
"\""[{alfanumerico}|{puntuacion}]*"\""  {printf("T_LITCADENA:%s ", yytext);}
"\'"[{alfanumerico}|{puntuacion}]"\'" {printf("T_LITCARACTER:%s ", yytext);}
[0|[1-9]{digito}]*  {printf("T_LITENTERO:%s ", yytext);}
[Tt][Rr][Uu][Ee] | [Ff][Aa][Ll][Ss][Ee]	{printf("T_LITBOOLEANO:%s ", yytext);}
"--"[{letra} | {digito} | {puntuacion}]*\n {printf("T_COMENTARIO:%s ", yytext);}
char {printf("T_TIPOCHAR ");}
int {printf("T_TIPOENTERO ");}
bool {printf("T_TIPOBOOLEANO ");}
void {printf("T_TIPOVOID ");}
"=" {printf("T_OPERIGUAL ");}
"!=" {printf("T_OPERDISTINTO ");}
">=" {printf("T_OPERMAYORIGUAL ");}
"<=" {printf("T_OPERMENORIGUAL ");}
and {printf("T_OPERAND ");}
or {printf("T_OPEROR ");}
not {printf("T_OPERNOT ");}
put {printf("T_FUNESCRIBIR ");}
read {printf("T_FUNLEER ");}
if {printf("T_IF ");}
then {printf("T_THEN ");}
else {printf("T_ELSE ");}
while {printf("T_WHILE ");}
return {printf("T_RETURN ");}
%%