XS::Typemap(3perl) Perl Programmers Reference Guide XS::Typemap(3perl)NAME
XS::Typemap - module to test the XS typemaps distributed with perl
SYNOPSIS
use XS::Typemap;
$output = T_IV( $input );
$output = T_PV( $input );
@output = T_ARRAY( @input );
DESCRIPTION
This module is used to test that the XS typemaps distributed with perl are working as advertised. A function is available for each typemap
definition (eventually). In general each function takes a variable, processes it through the OUTPUT typemap and then returns it using the
INPUT typemap.
A test script can then compare the input and output to make sure they are the expected values. When only an input or output function is
provided the function will be named after the typemap entry and have either '_IN' or '_OUT' appended.
All the functions are exported. There is no reason not to do this since the entire purpose is for testing Perl. Namespace pollution will be
limited to the test script.
NOTES
This module is for testing only and should not normally be installed.
AUTHOR
Tim Jenness <t.jenness@jach.hawaii.edu>
Copyright (C) 2001 Tim Jenness All Rights Reserved. This program is free software; you can redistribute it and/or modify it under the same
terms as Perl itself.
perl v5.14.2 2011-09-19 XS::Typemap(3perl)
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XSUBPP(1) Perl Programmers Reference Guide XSUBPP(1)NAME
xsubpp - compiler to convert Perl XS code into C code
SYNOPSIS
xsubpp [-v] [-except] [-s pattern] [-prototypes] [-noversioncheck] [-nolinenumbers] [-nooptimize] [-typemap typemap] [-output filename]...
file.xs
DESCRIPTION
This compiler is typically run by the makefiles created by ExtUtils::MakeMaker or by Module::Build or other Perl module build tools.
xsubpp 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
It will also use a default typemap installed as "ExtUtils::typemap".
OPTIONS
Note that the "XSOPT" MakeMaker option may be used to add these options to any makefiles generated by MakeMaker.
-hiertype
Retains '::' in type names so that C++ hierarchical types can be mapped.
-except
Adds exception handling stubs to the C code.
-typemap typemap
Indicates that a user-supplied typemap should take precedence over the default typemaps. This option may be used multiple times, with
the last typemap having the highest precedence.
-output filename
Specifies the name of the output file to generate. If no file is specified, output will be written to standard output.
-v Prints the xsubpp version number to standard output, then exits.
-prototypes
By default xsubpp will not automatically generate prototype code for all xsubs. This flag will enable prototypes.
-noversioncheck
Disables the run time test that determines if the object file (derived from the ".xs" file) and the ".pm" files have the same version
number.
-nolinenumbers
Prevents the inclusion of '#line' directives in the output.
-nooptimize
Disables certain optimizations. The only optimization that is currently affected is the use of targets by the output C code (see
perlguts). This may significantly slow down the generated code, but this is the way xsubpp of 5.005 and earlier operated.
-noinout
Disable recognition of "IN", "OUT_LIST" and "INOUT_LIST" declarations.
-noargtypes
Disable recognition of ANSI-like descriptions of function signature.
-C++ Currently doesn't do anything at all. This flag has been a no-op for many versions of perl, at least as far back as perl5.003_07.
It's allowed here for backwards compatibility.
ENVIRONMENT
No environment variables are used.
AUTHOR
Originally by Larry Wall. Turned into the "ExtUtils::ParseXS" module by Ken Williams.
MODIFICATION HISTORY
See the file Changes.
SEE ALSO perl(1), perlxs(1), perlxstut(1), ExtUtils::ParseXS
perl v5.18.2 2018-08-17 XSUBPP(1)