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ExtUtils::ParseXS(3perl) Perl Programmers Reference Guide ExtUtils::ParseXS(3perl)
NAME
ExtUtils::ParseXS - converts Perl XS code into C code
SYNOPSIS
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.
../../../typemap:../../typemap:../typemap:typemap
EXPORT
None by default. "process_file()" may be exported upon request.
FUNCTIONS
process_xs()
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.
hiertype
Retains "::" in type names so that C++ hierachical types can be mapped. Default
is false.
except
Adds exception handling stubs to the C code. Default is false.
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.
prototypes
Generates prototype code for all xsubs. Default is false.
versioncheck
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.
linenumbers
Adds "#line" directives to the C output so error messages will look like they came
from the original XS file. Default is true.
optimize
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.
inout
Enable recognition of "IN", "OUT_LIST" and "INOUT_LIST" declarations. Default is
true.
argtypes
Enable recognition of ANSI-like descriptions of function signature. Default is
true.
s I have no clue what this does. Strips function prefixes?
errors()
This function returns the number of [a certain kind of] errors encountered during
processing of the XS file.
AUTHOR
Based on xsubpp code, written by Larry Wall.
Maintained by Ken Williams, <ken AT mathforum.org>
COPYRIGHT
Copyright 2002-2003 Ken Williams. All rights reserved.
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.
SEE ALSO
perl, ExtUtils::xsubpp, ExtUtils::MakeMaker, perlxs, perlxstut.
perl v5.10.0 2011-06-30 ExtUtils::ParseXS(3perl)
Generated by $Id: phpMan.php,v 4.49 2006/02/26 13:18:18 chedong Exp $ Author: Che Dong
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