public static final int ID = 0;
    public static final int TIPO_INTEIRO = 1;
    public static final int NUMERO_INTEIRO = 2;
    public static final int TIPO_REAL= 3;
    public static final int NUMERO_REAL = 4;
    public static final int TIPO_LOGICO = 5;
    public static final int VALOR_LOGICO = 6;
    public static final int OPE_ARIT = 7;
    public static final int OPE_REL = 8;
    public static final int PARENTESE_DIR = 9;
    public static final int PARENTESE_ESQ = 10;
    public static final int SOMA = 11;
    public static final int SUBTRACAO = 12;
    public static final int MULTIPLICACAO = 13;
    public static final int DIVISAO = 14;
    public static final int IGUAL = 15;
    public static final int IF = 16;
    public static final int ELSE = 17;
    public static final int DO = 18;
    public static final int WHILE = 19;
    public static final int THEN = 20;
    public static final int SUBROUTINE = 21;
    public static final int FUNCTION = 22;
    public static final int CALL = 23;
    public static final int END = 24;
    public static final int CONTINUE = 25;
    public static final int EXIT = 26;
    public static final int PRINT = 27;
    public static final int VIRGULA = 28;
    public static final int PONTO = 29;
    public static final int VERDADEIRO = 30;
    public static final int FALSO = 31;
    public static final int MAIOR_QUE = 32;
    public static final int MENOR_QUE = 33;
    public static final int IGUAL_A = 34;
    public static final int MAIOR_OU_IGUAL = 35;
    public static final int MENOR_OU_IGUAL = 36;
    public static final int DIFERENTE = 37;
    public static final int OR = 38;
    public static final int AND = 39;
    public static final int EOT = 1000;