５分で始める XS - tsukuba.xs#1

5 XS Tsukuba.xs Beer Talks #1 xaicron 2010 7 24

• @xaicron • http://blog.livedoor.jp/xaicron/ • XS 2010 7 24

2010 7 24

• • PL_Cehck Hack • Perl • /* Polyglot */ • VM 2010 7 24

2010 7 24

XS 2010 7 24

C 2010 7 24

• make, gcc C • Module::Install::XSUtil 2010 7 24

make && make test $ perl Makeﬁle.PL $ make && make test 2010 7 24

2010 7 24

Makeﬁle.PL use inc::Module::Install; use Module::Install::XSUtil; name 'Foo-Bar'; all_from 'lib/Foo/Bar.pm'; use_ppport 3.19; cc_warnings; cc_src_paths qw(xs); tests 't/*.t'; test_requires 'Test::More'; auto_include; WriteAll; 2010 7 24

xs/Bar.xs #deﬁne PERL_NO_GET_CONTEXT #include "EXTERN.h" #include "perl.h" #include "XSUB.h" #include "ppport.h" MODULE = Foo::Bar PACKAGE = Foo::Bar PROTOTYPES: DISABLE int sum(int x, int y) CODE: RETVAL = x + y; OUTPUT: RETVAL 2010 7 24

$ perl Makeﬁle.PL $ make $ perl -Mblib -MFoo::Bar -le “print Foo::Bar::sum(1 ,2)” 3 2010 7 24

2010 7 24

XS 2010 7 24

Foo::Bar / Foo::Baz xs 2010 7 24

$ h2xs -A -b 5.8.1 -n Foo::XS 2010 7 24

• xs/Bar.xs, xs/Baz.xs • foo.h • xs/XS.xs • lib/Foo/Bar.pm, lib/Foo/Baz/pm 2010 7 24

xs/Bar.xs #deﬁne PERL_NO_GET_CONTEXT #include "EXTERN.h" #include "perl.h" #include "XSUB.h" #include "ppport.h" MODULE = Foo::Bar PACKAGE = Foo::Bar PROTOTYPES: DISABLE int sum(int x, int y) CODE: RETVAL = x + y; OUTPUT: RETVAL 2010 7 24

xs/Baz.xs #deﬁne PERL_NO_GET_CONTEXT #include "EXTERN.h" #include "perl.h" #include "XSUB.h" #include "ppport.h" MODULE = Foo::Baz PACKAGE = Foo::Baz PROTOTYPES: DISABLE int double(int x) CODE: RETVAL = x * 2; OUTPUT: RETVAL 2010 7 24

foo.h 2010 7 24

xs/XS.xs #deﬁne PERL_NO_GET_CONTEXT #include "EXTERN.h" #include "perl.h" #include "XSUB.h" #include "ppport.h" #include "foo.h" MODULE = Foo::XS BOOT: FOO_CALL_BOOT(Foo__Bar); FOO_CALL_BOOT(Foo__Baz); 2010 7 24

Foo/Bar.pm Foo/Baz.pm package Foo::Bar; # or Baz use strict; use warnings; use Foo::XS; our $VERSION = ‘0.01’; 1; 2010 7 24

$ perl Makeﬁle.pl $ make test $ perl -Mblib -MFoo::Bar -le “print Foo::Bar::sum(1,2)” 3 $ perl -Mblib -MFoo::Baz -le “print Foo::Baz::double(1)” 2 2010 7 24

2010 7 24

• C XS • SV typemap 2010 7 24

５分で始める XS - tsukuba.xs#1

by Yuji Shimada

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