# phpman > perldoc > ExtUtils::ParseXS::Eval

## NAME
    [ExtUtils::ParseXS::Eval](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AParseXS%3A%3AEval/markdown) - Clean package to evaluate code in

## SYNOPSIS
      use [ExtUtils::ParseXS::Eval](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AParseXS%3A%3AEval/markdown);
      my $rv = [ExtUtils::ParseXS::Eval::eval_typemap_code](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AParseXS%3A%3AEval%3A%3Aevaltypemapcode/markdown)(
        $parsexs_obj, "some Perl code"
      );

## SUBROUTINES
  $pxs->eval_output_typemap_code($typemapcode, $other_hashref)
    Sets up various bits of previously global state (formerly [ExtUtils::ParseXS](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AParseXS/markdown) package variables)
    for eval'ing output typemap code that may refer to these variables.

    Warns the contents of $@ if any.

    Not all these variables are necessarily considered "public" wrt. use in typemaps, so beware.
    Variables set up from the [ExtUtils::ParseXS](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AParseXS/markdown) object:

      $Package $ALIAS $func_name $Full_func_name $pname

    Variables set up from $other_hashref:

      $var $type $ntype $subtype $arg

  $pxs->eval_input_typemap_code($typemapcode, $other_hashref)
    Sets up various bits of previously global state (formerly [ExtUtils::ParseXS](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AParseXS/markdown) package variables)
    for eval'ing output typemap code that may refer to these variables.

    Warns the contents of $@ if any.

    Not all these variables are necessarily considered "public" wrt. use in typemaps, so beware.
    Variables set up from the [ExtUtils::ParseXS](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3AParseXS/markdown) object:

      $Package $ALIAS $func_name $Full_func_name $pname

    Variables set up from $other_hashref:

      $var $type $ntype $subtype $num $init $printed_name $arg $argoff

## TODO
    Eventually, with better documentation and possible some cleanup, this could be part of
    "[ExtUtils::Typemaps](https://www.chedong.com/phpMan.php/perldoc/ExtUtils%3A%3ATypemaps/markdown)".