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Diffstat (limited to 'Master/tlpkg/tlperl/lib/ExtUtils/ParseXS/Eval.pm')
-rw-r--r-- | Master/tlpkg/tlperl/lib/ExtUtils/ParseXS/Eval.pm | 97 |
1 files changed, 97 insertions, 0 deletions
diff --git a/Master/tlpkg/tlperl/lib/ExtUtils/ParseXS/Eval.pm b/Master/tlpkg/tlperl/lib/ExtUtils/ParseXS/Eval.pm new file mode 100644 index 00000000000..4b8cbd6337e --- /dev/null +++ b/Master/tlpkg/tlperl/lib/ExtUtils/ParseXS/Eval.pm @@ -0,0 +1,97 @@ +package ExtUtils::ParseXS::Eval; +use strict; +use warnings; + +our $VERSION = '3.24'; + +=head1 NAME + +ExtUtils::ParseXS::Eval - Clean package to evaluate code in + +=head1 SYNOPSIS + + use ExtUtils::ParseXS::Eval; + my $rv = ExtUtils::ParseXS::Eval::eval_typemap_code( + $parsexs_obj, "some Perl code" + ); + +=head1 SUBROUTINES + +=head2 $pxs->eval_output_typemap_code($typemapcode, $other_hashref) + +Sets up various bits of previously global state +(formerly ExtUtils::ParseXS package variables) +for eval'ing output typemap code that may refer to these +variables. + +Warns the contents of C<$@> if any. + +Not all these variables are necessarily considered "public" wrt. use in +typemaps, so beware. Variables set up from the ExtUtils::ParseXS object: + + $Package $Alias $func_name $Full_func_name $pname + +Variables set up from C<$other_hashref>: + + $var $type $ntype $subtype $arg + +=cut + +sub eval_output_typemap_code { + my ($_pxs, $_code, $_other) = @_; + + my ($Package, $ALIAS, $func_name, $Full_func_name, $pname) + = @{$_pxs}{qw(Package ALIAS func_name Full_func_name pname)}; + + my ($var, $type, $ntype, $subtype, $arg) + = @{$_other}{qw(var type ntype subtype arg)}; + + my $rv = eval $_code; + warn $@ if $@; + return $rv; +} + +=head2 $pxs->eval_input_typemap_code($typemapcode, $other_hashref) + +Sets up various bits of previously global state +(formerly ExtUtils::ParseXS package variables) +for eval'ing output typemap code that may refer to these +variables. + +Warns the contents of C<$@> if any. + +Not all these variables are necessarily considered "public" wrt. use in +typemaps, so beware. Variables set up from the ExtUtils::ParseXS object: + + $Package $Alias $func_name $Full_func_name $pname + +Variables set up from C<$other_hashref>: + + $var $type $ntype $subtype $num $init $printed_name $arg $argoff + +=cut + +sub eval_input_typemap_code { + my ($_pxs, $_code, $_other) = @_; + + my ($Package, $ALIAS, $func_name, $Full_func_name, $pname) + = @{$_pxs}{qw(Package ALIAS func_name Full_func_name pname)}; + + my ($var, $type, $num, $init, $printed_name, $arg, $ntype, $argoff, $subtype) + = @{$_other}{qw(var type num init printed_name arg ntype argoff subtype)}; + + my $rv = eval $_code; + warn $@ if $@; + return $rv; +} + +=head1 TODO + +Eventually, with better documentation and possible some cleanup, +this could be part of C<ExtUtils::Typemaps>. + +=cut + +1; + +# vim: ts=2 sw=2 et: |