Perl 5 internals ã®ä¸–ç•Œã«ã‚ˆã†ã“ã - daisuke makiShibuya Perl Mongersテクニカルトーク#9マイリスト: mylist/7281253発表資料ãªã©: http://mt.endeworks.jp/d-6/2008/06/shibuyapm-9.html
perlguts - Introduction to the Perl API - Perldoc Browser
CONTENTS NAME DESCRIPTION Variables Datatypes What is an "IV"? Working with SVs Offsets What's Really Stored in an SV? Read-Only Values Copy on Write THINKFIRST before writing to a string buffer Working with AVs More efficient working with new or vanilla AVs Real AVs - and those that are not Working with HVs Hash API Extensions AVs, HVs and undefined values References Blessed References and Class
ãŠã•ã‹ãªãƒ©ãƒœ - [XS]Perl変数ã¨Perlæ§‹é€ ä½“ã®å¯¾å¿œã«ã¤ã„ã¦
本当ã¯PVã«é™ã£ãŸè©±ã‚’ãŒã£ã¤ã‚Šã—よã†ã¨æ€ã£ãŸã‚“ã ã‘ã©ã€é †åºãŒæ€ã„ã£ãã‚Šperlgutsã¨ã‹ã¶ã‚‹ã®ã§æ¢ã‚ã¾ã—ãŸã€‚ ç¹°ã‚Šè¿”ã™ã‚ˆã†ã§ã™ãŒã€XSã®ä¸èº«ã¨ã„ã†ã®ã¯ã€å§‹ã‚ãŸã°ã‹ã‚Šã®äººã«ã¨ã£ã¦ã¯ä½•ãŒãªã‚“ã ã‹ã•ã£ã±ã‚Šåˆ†ã‹ã‚‰ãªã„ã¨æ€ã„ã¾ã™ã€‚特ã«é…列やãƒãƒƒã‚·ãƒ¥ã‚„リファレンスã€ã‚ªãƒ–ジェクトãªã©ã¯ã©ã†ã‚„ã£ã¦æ‰±ãˆã°ã„ã„ã®ã‹ä¸å®‰ã«æ€ã£ã¦ã„ã‚‹æ–¹ã¯å¤šã„ã®ã§ã¯ãªã„ã§ã—ょã†ã‹ã€‚今日ã¯ãã®è©±ã‚’ç°¡å˜ã«ã—ã¾ã™ã€‚ ã“れらã¯ã€Perl内部ã§ã¯æ§‹é€ 体ã§å®Ÿç¾ã•ã‚Œã¦ã„ã¾ã™ã€‚主ã«æ¬¡ã®æ§‹é€ 体ãŒç”¨æ„ã•ã‚Œã¦ã„ã¾ã™ã€‚ SV スカラ値 AV é…列 HV ãƒãƒƒã‚·ãƒ¥å€¤ RV リファレンス値 æ§‹é€ ä½“ã£ã¦ä½•ï¼Ÿã£ã¦ã„ã†äººã¯K&Rã‚’è²·ã£ã¦èªã‚“ã§ä¸‹ã•ã„。Cã®æ¦‚念ã§ã™ã€‚僕ãŒXSã«ã¤ã„ã¦æ›¸ãã¨ãã¯ã€Cã«ã¤ã„ã¦ã®ä¸€é€šã‚Šã®äºˆå‚™çŸ¥è˜ãŒã‚ã‚‹ã“ã¨ã‚’å‰æã¨ã—ã¾ã™ã€‚Perlã®å€¤ã«ã¯ä»–ã«ã‚‚ã‚°ãƒãƒ–ã‚„ç„¡å関数ãªã©ãŒã‚ã‚Šã¾ã™ãŒåˆ¥é …ã«è²ã‚Šã¾ã™ã€‚ 次ã«ä¸å®‰ãªã®ãŒã€ã“れらã®æ“作ã§ã—
XSã§ãƒ¡ãƒ¢ãƒªãƒ¼ã‚¯ã‚’é¿ã‘ã‚‹ãŸã£ãŸä¸€ã¤ã®æ–¹æ³• - Islands in the byte stream (legacy)
XSã§ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã‚’é¿ã‘る基本原則ã¯ã€ãã‚Œã»ã©é›£ã—ããªã„。ã™ãªã‚ã¡ã€ä½œã£ãŸSV(ãŠã‚ˆã³SVファミリ)ã¯ã™ãsv_2mortal()ã™ã‚‹ã®ã§ã‚る。mortalãªSVã¯ã‚¹ã‚³ãƒ¼ãƒ—*1ã‹ã‚‰æŠœã‘ã‚‹ã¨ãã«è§£æ”¾ã•ã‚Œã‚‹ãŸã‚ã€ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã¯èµ·ã“らãªã„。ã¤ã¾ã‚Šã€ã‚るスコープ内ã§æ–°ã—ã作ã£ãŸã™ã¹ã¦ã®SVã‚’mortalãªçŠ¶æ…‹ã«ã—ã¦ãŠãã¨ã„ã†ã“ã¨ã 。 ã“ã®åŽŸå‰‡ã®ã‚‚ã¨ã§ã‚³ãƒ¼ãƒ‰ã‚’書ãã¨ã€èª¤ã£ã¦ãƒªãƒ•ã‚¡ãƒ¬ãƒ³ã‚¹ã‚«ã‚¦ãƒ³ãƒˆã‚’増やã•ãªã‹ã£ãŸã‚±ãƒ¼ã‚¹ã§ã¯è¦å‘ŠãŒé »ç¹ã«èµ·ãる。ã—ã‹ã—ã€å°‘ãªãã¨ã‚‚メモリリークã¯èµ·ã“らãªã„*2。メモリリークã®æ¤œå‡ºã¯é›£ã—ã„ã®ã§ã€è¦å‘ŠãŒå‡ºã‚‹ã®ã¯ç¦éŸ³ã§ã‚ã‚ã†ã€‚ ã‚‚ã¡ã‚ã‚“ã“ã‚Œã¯åŽŸå‰‡ã§ã€ãƒ¡ãƒ¢ãƒªãƒªãƒ¼ã‚¯ã«ã¾ã¤ã‚ã‚‹ã“ã¨ã§è¦šãˆãªã‘ã‚Œã°ãªã‚‰ãªã„ã“ã¨ã¯æ±ºã—ã¦å°‘ãªããªã„。 ãŸã¨ãˆã°ã€XSUBã®æˆ»ã‚Šå€¤ã‚’SV*ã«ã™ã‚‹ã¨ãã€sv_2mortal(RETVAL)ã—ã¦ã¯ã„ã‘ãªã„。ã“ã‚Œã¯Perlã®ä»•æ§˜ã§ã¯ãªãxsubppãŒå‹æ‰‹ã«sv_2mort
ãŠã•ã‹ãªãƒ©ãƒœ - [XS]XSã®ãŠã•ã‚‰ã„ã¨typemapã«ã¤ã„ã¦
å‰å›žã®XSã‚’ã¨ã«ã‹ã作ã£ã¦ã¿ã‚‹ç·¨ã®ç¶šç·¨ã§ã‚る。ã©ã“ã‹ã«ç›®æ¬¡ã®ã‚¨ãƒ³ãƒˆãƒªã‚’作るã‹ã€Wikiã«ã—ãŸæ–¹ãŒã„ã„よã†ãªæ°—ãŒã—ã¦ããŸã€‚今後ã€è‡ªèº«ã®å¦ç¿’・復習もã‹ãã¦XSã«ã¤ã„ã¦è§£èª¬ã—ã¦ã„ã。対象ã¯å–り急ãŽperl-5.8.8以上ã¨ã™ã‚‹ã€‚ãªãŠã€ä»Šå›žã¯è©±ãŒæ€ã„ã£ãã‚Šã‚ã•ã£ã¦ã®æ–¹å‘ã«ãã‚ŒãŸã®ã§ã€å…ˆã«ãŠè©«ã³ã—ã¦ãŠã。 XSã¨ã¯ä½•ã‹ã€‚XSã¯PerlãŒç”¨æ„ã—ãŸAPIã«ã€C/C++ã§ã‚¢ã‚¯ã‚»ã‚¹ã™ã‚‹ãŸã‚ã®ãƒžã‚¯ãƒè¨€èªžã§ã‚る。ãã—ã¦ãƒžã‚¯ãƒè¨€èªžã®è¨˜è¿°ãƒ•ã‚©ãƒ¼ãƒžãƒƒãƒˆã®åå‰ã§ã‚る。「PerlAPIã‚’å©ãCプãƒã‚°ãƒ©ãƒ ã€ã‚’ç·ã˜ã¦XSã¨å‘¼ã¶å‘ãã‚‚ã‚ã‚‹ãŒåŽ³å¯†ã«ã¯ã“ã‚Œã¯æ£ã—ããªã„ã“ã¨ã¯å‰ã«è¿°ã¹ãŸã€‚ XSファイルã¯ä¸»ã«ï¼“ã¤ã®ãƒ‘ートã«åˆ†ã‘られる。Perlã‹ã‚‰é–¢æ•°ã¨ã—ã¦å‘¼ã³å‡ºã•ã‚ŒãŸæ™‚ã®å¼•æ•°ã‚’å—ã‘å–る処ç†ã€ãã—ã¦æ ¸ã¨ãªã‚‹ãƒ«ãƒ¼ãƒãƒ³ã€ãã—ã¦æ¼”ç®—çµæžœã‚’Perlã«è¿”ã™éƒ¨åˆ†ã§ã‚る。ã—ã‹ã—引数ã¨æˆ»ã‚Šå€¤ã«é–¢ã—ã¦ã¯æœ€åˆã¯ã‚ã¾ã‚Šç¥žçµŒè³ªã«ãªã‚‹å¿…è¦ã¯ãªã„。ã“れらã¯å¤§æŠµ
ãŠã•ã‹ãªãƒ©ãƒœ - Perlã§XSを使ã£ã¦ã¿ã‚ˆã†
ã¨æ€ã†äººã¯å¤šã„ã¨æ€ã†ã€‚æ°—ã«ãªã£ã¦ã„る人ã¯å¤šã„ã ã‚ã†ã€‚ã—ã‹ã—ã€XSã«é–¢ã™ã‚‹è©³ç´°ãªãƒ‰ã‚ュメントã¯ã€ã‚°ã‚°ã£ã¦ã¿ã‚‹ã¨é©šæ„•ã™ã‚‹ãらã„å°‘ãªã„。ãã—ã¦èªã¿ã«ãã„。ç†ç”±ã¯å¾Œè¿°ã™ã‚‹ã€‚ ç§ã‚‚XSã«é–¢ã™ã‚‹ãƒ‰ã‚ュメントを書ããŸã„ã®ã ãŒã€ã‚«ãƒãƒ¼ã™ã‚‹ç¯„囲ãŒåºƒå¤§ã™ãŽã¦ã©ã“ã‹ã‚‰æ‰‹ã‚’付ã‘ãŸã‚‰ã„ã„ã®ã‹å…¨ã分ã‹ã‚‰ãªã„。本ãŒæ›¸ã‘ãã†ãªå‹¢ã„ã 。エントリを分ã‘ã¦æ›¸ãã®ã‹ã€æ—¢å˜ã¨ã¯åˆ¥ã®ãƒãƒ¥ãƒ¼ãƒˆãƒªã‚¢ãƒ«æ–‡æ›¸ã®ã‚ˆã†ãªã‚‚ã®ã‚’書ãã®ã‹ã€æ‚©ã‚“ã§ã„ã‚‹ã¨ã“ã‚ã§ã‚る。ãã®ä»£ã‚ã‚Šã€ä»Šå›žã¯XSã£ã¦é£Ÿãˆã‚‹ï¼Ÿã£ã¦äººã«ã¯æœ‰ç”¨ãªã‚¨ãƒ³ãƒˆãƒªã«ã—ãŸã„ã¨æ€ã†ã€‚ãã—ã¦ç°¡å˜ãªã‚µãƒ³ãƒ—ルを書ã„ã¦ã¿ãŸã„ã¨æ€ã†ã€‚ 少々ã®ã“ã¨ãªã‚‰åˆ†ã‹ã‚‹ã—ã‚°ã‚°ã‚‹ã—大丈夫ã ãœï¼ã¨ã„ã†äººã¯ã€ä»¥ä¸‹ã®ã‚¨ãƒ³ãƒˆãƒªã€ãŠã‚ˆã³ãƒªãƒ³ã‚¯å…ˆã‚’å‚ç…§ã™ã‚‹ã¨è‰¯ã„ã¨æ€ã†ã€‚ XS by id:naoya ã¾ãšã¯XSã£ã¦ä½•ï¼Ÿã£ã¦ã“ã¨ã ãŒã€ã“ã®æ™‚点ã§ä½•ãŒãªã‚“ã ã‹ã•ã£ã±ã‚Šåˆ†ã‹ã‚‰ãªã„人ãŒå¤šã„ã¨æ€ã†ã€‚ãれもãã®ã¯ãšã€XSã¨ã„ã†è¨€è‘‰ãŒåŒ…括的
Perl and C++
Gluing C++ And Perl Together August 27, 2001 Perl XS (the Perl native glue) and C++ hookup is not clearly covered in any one reference that I can find. So here's some coverage. 1. Preparing the Installation XS totally supports C++. XS is not the problem. Getting MakeMaker happy is the problem. And even that is just a few words. Here's the steps to create a working C++ project from scratch: Run h2x
1
リリースã€éšœå®³æƒ…å ±ãªã©ã®ã‚µãƒ¼ãƒ“スã®ãŠçŸ¥ã‚‰ã›
最新ã®äººæ°—エントリーã®é…ä¿¡
j次ã®ãƒ–ックマーク
kå‰ã®ãƒ–ックマーク
lã‚ã¨ã§èªã‚€
eコメント一覧を開ã
oページを開ã
Client Challenge
{{#tags}}- {{label}}
{{/tags}}