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File Name : ParseXS.pod

=head1 NAME

ExtUtils::ParseXS - converts Perl XS code into C code

=head1 SYNOPSIS

use ExtUtils::ParseXS;

my $pxs = ExtUtils::ParseXS->new;
  $pxs->process_file( filename => 'foo.xs' );

$pxs->process_file( filename => 'foo.xs',
                      output => 'bar.c',
                      'C++' => 1,
                      typemap => 'path/to/typemap',
                      hiertype => 1,
                      except => 1,
                      versioncheck => 1,
                      linenumbers => 1,
                      optimize => 1,
                      prototypes => 1,
                    );

# Legacy non-OO interface using a singleton:
  use ExtUtils::ParseXS qw(process_file);
  process_file( filename => 'foo.xs' );

=head1 DESCRIPTION

C<ExtUtils::ParseXS> will compile XS code into C code by embedding the constructs
necessary to let C functions manipulate Perl values and creates the glue
necessary to let Perl access those functions.  The compiler uses typemaps to
determine how to map C function parameters and variables to Perl values.

The compiler will search for typemap files called I<typemap>.  It will use
the following search path to find default typemaps, with the rightmost
typemap taking precedence.

../../../typemap:../../typemap:../typemap:typemap

=head1 EXPORT

None by default.  C<process_file()> and/or C<report_error_count()>
may be exported upon request. Using the functional interface is
discouraged.

=head1 METHODS

=over 4

=item $pxs->new()

Returns a new, empty XS parser/compiler object.

=item $pxs->process_file()

This method processes an XS file and sends output to a C file.
The method may be called as a function (this is the legacy
interface) and will then use a singleton as invocant.

Named parameters control how the processing is done.
The following parameters are accepted:

=over 4

=item B<C++>

Adds C<extern "C"> to the C code.  Default is false.

=item B<hiertype>

Retains C<::> in type names so that C++ hierarchical types can be
mapped.  Default is false.

=item B<except>

Adds exception handling stubs to the C code.  Default is false.

=item B<typemap>

Indicates that a user-supplied typemap should take precedence over the
default typemaps.  A single typemap may be specified as a string, or
multiple typemaps can be specified in an array reference, with the
last typemap having the highest precedence.

=item B<prototypes>

Generates prototype code for all xsubs.  Default is false.

=item B<versioncheck>

Makes sure at run time that the object file (derived from the C<.xs>
file) and the C<.pm> files have the same version number.  Default is
true.

=item B<linenumbers>

Adds C<#line> directives to the C output so error messages will look
like they came from the original XS file.  Default is true.

=item B<optimize>

Enables certain optimizations.  The only optimization that is currently
affected is the use of I<target>s by the output C code (see L<perlguts>).
Not optimizing may significantly slow down the generated code, but this is the way
B<xsubpp> of 5.005 and earlier operated.  Default is to optimize.

=item B<inout>

Enable recognition of C<IN>, C<OUT_LIST> and C<INOUT_LIST>
declarations.  Default is true.

=item B<argtypes>

Enable recognition of ANSI-like descriptions of function signature.
Default is true.

=item B<s>

I<Maintainer note:> I have no clue what this does.  Strips function prefixes?

=back

=item $pxs->report_error_count()

This method returns the number of [a certain kind of] errors
encountered during processing of the XS file.

The method may be called as a function (this is the legacy
interface) and will then use a singleton as invocant.

=back

=head1 AUTHOR

Based on xsubpp code, written by Larry Wall.

Maintained by:

=over 4

=item *

Ken Williams, <ken@mathforum.org>

=item *

David Golden, <dagolden@cpan.org>

=item *

James Keenan, <jkeenan@cpan.org>

=item *

Steffen Mueller, <smueller@cpan.org>

=back

=head1 COPYRIGHT

This library is free software; you can redistribute it and/or
modify it under the same terms as Perl itself.

Based on the C<ExtUtils::xsubpp> code by Larry Wall and the Perl 5
Porters, which was released under the same license terms.

=head1 SEE ALSO

L<perl>, ExtUtils::xsubpp, ExtUtils::MakeMaker, L<perlxs>, L<perlxstut>.

=cut

Name	Type	Size	Owner/Group	Permission	Last Modified	Actions
.	dir	-	root/root	0755	2025-04-12 12:30:18
..	dir	-	root/root	0755	2025-09-09 12:44:02
CBuilder	dir	-	root/root	0755	2025-04-12 12:30:18
Command	dir	-	root/root	0755	2025-04-12 12:30:17
Liblist	dir	-	root/root	0755	2025-04-12 12:30:17
MM	dir	-	root/root	0755	2025-04-12 12:30:15
MakeMaker	dir	-	root/root	0755	2025-04-12 12:30:17
ParseXS	dir	-	root/root	0755	2025-04-12 12:30:14
Typemaps	dir	-	root/root	0755	2025-04-12 12:30:14
CBuilder.pm	file	8.67 KB	root/root	0644	2017-11-22 04:20:35
Command.pm	file	7.62 KB	root/root	0644	2018-03-19 10:21:53
Install.pm	file	40.06 KB	root/root	0644	2017-05-28 10:51:53
Installed.pm	file	14.03 KB	root/root	0644	2017-05-28 10:51:43
Liblist.pm	file	9.51 KB	root/root	0644	2019-10-13 08:55:21
MANIFEST.SKIP	file	971 B	root/root	0644	2014-12-31 07:02:48
MM.pm	file	2.09 KB	root/root	0644	2018-03-19 10:21:54
MM_AIX.pm	file	1.37 KB	root/root	0644	2018-03-19 10:21:54
MM_Any.pm	file	80.81 KB	root/root	0644	2018-03-19 10:21:54
MM_BeOS.pm	file	1.02 KB	root/root	0644	2018-03-19 10:21:54
MM_Cygwin.pm	file	3.99 KB	root/root	0644	2018-03-19 10:21:54
MM_DOS.pm	file	1.03 KB	root/root	0644	2018-03-19 10:21:53
MM_Darwin.pm	file	936 B	root/root	0644	2018-03-19 10:21:54
MM_MacOS.pm	file	892 B	root/root	0644	2018-03-19 10:21:54
MM_NW5.pm	file	5.34 KB	root/root	0644	2018-03-19 10:21:54
MM_OS2.pm	file	3.14 KB	root/root	0644	2018-03-19 10:21:54
MM_QNX.pm	file	894 B	root/root	0644	2018-03-19 10:21:54
MM_UWIN.pm	file	981 B	root/root	0644	2018-03-19 10:21:54
MM_Unix.pm	file	108.47 KB	root/root	0644	2019-10-13 08:55:21
MM_VMS.pm	file	66.52 KB	root/root	0644	2018-03-19 10:21:54
MM_VOS.pm	file	749 B	root/root	0644	2018-03-19 10:21:53
MM_Win32.pm	file	14.06 KB	root/root	0644	2018-03-19 10:21:54
MM_Win95.pm	file	1.25 KB	root/root	0644	2018-03-19 10:21:53
MY.pm	file	678 B	root/root	0644	2018-03-19 10:21:54
MakeMaker.pm	file	107.94 KB	root/root	0644	2019-10-13 08:55:21
Manifest.pm	file	22.89 KB	root/root	0644	2014-12-31 07:02:48
Mkbootstrap.pm	file	3.23 KB	root/root	0644	2018-03-19 10:21:53
Mksymlists.pm	file	10.74 KB	root/root	0644	2018-03-19 10:21:54
Packlist.pm	file	8.36 KB	root/root	0644	2017-05-28 10:51:43
ParseXS.pm	file	65.01 KB	root/root	0644	2017-07-31 03:46:04
ParseXS.pod	file	4.3 KB	root/root	0644	2017-07-31 03:46:04
Typemaps.pm	file	26.17 KB	root/root	0644	2017-07-31 03:46:04
testlib.pm	file	916 B	root/root	0644	2018-03-19 10:21:54
xsubpp	link	4.96 KB	root/root	0755	2019-10-13 08:58:35

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