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ExtUtils::ParseXS(3pm)		 Perl Programmers Reference Guide	   ExtUtils::ParseXS(3pm)

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

	 use ExtUtils::ParseXS qw(process_file);

	 process_file( filename => 'foo.xs' );

	 process_file( filename => 'foo.xs',
		       output => 'bar.c',
		       'C++' => 1,
		       typemap => 'path/to/typemap',
		       hiertype => 1,
		       except => 1,
		       prototypes => 1,
		       versioncheck => 1,
		       linenumbers => 1,
		       optimize => 1,
		       prototypes => 1,
       =head1 DESCRIPTION

       "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 typemap.  It will use the following
       search path to find default typemaps, with the rightmost typemap taking precedence.


       None by default.  "process_file()" may be exported upon request.

	   This function processes an XS file and sends output to a C file.  Named parameters
	   control how the processing is done.	The following parameters are accepted:

	   C++ Adds "extern "C"" to the C code.  Default is false.

	       Retains "::" in type names so that C++ hierachical types can be mapped.	Default
	       is false.

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

	       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

	       Generates prototype code for all xsubs.	Default is false.

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

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

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

	       Enable recognition of "IN", "OUT_LIST" and "INOUT_LIST" declarations.  Default is

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

	   s   I have no clue what this does.  Strips function prefixes?

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

       Based on xsubpp code, written by Larry Wall.

       Maintained by:

       o   Ken Williams, <ken@mathforum.org>

       o   David Golden, <dagolden@cpan.org>

       Copyright 2002-2009 by Ken Williams, David Golden and other contributors.  All rights

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

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

       perl, ExtUtils::xsubpp, ExtUtils::MakeMaker, perlxs, perlxstut.

perl v5.12.1				    2010-05-13			   ExtUtils::ParseXS(3pm)
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