code: def p_forever_statement(self, p):
          'forever_statement : FOREVER basic_statement'
          p[0] = ForeverStatement(p[2], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1)f p_forever_statement(self, p):
          'forever_statement : FOREVER basic_statement'
          p[0] = ForeverStatement(p[2], lineno=p.lineno(1))
          p.set_lineno(0, p.lineno(1))
docs: forever_statement : FOREVER basic_statement