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ToDo:


2008-06-09

_ ¥·¥ì¥ó

http://d.hatena.ne.jp/atty/20080609#p1

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(01:59)

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¤Þ¤º Yajit ¤¬¸Æ¤ó¤ÀÈó JIT Ruby/C ´Ø¿ô¤¬Îã³°Åꤲ¤¿¾ì¹ç¡£ ¤³¤ì¤Ï¤â¤¦ JIT ´Ø¿ô¤Ç¤ÏÎã³°¼õ¤±¼è¤ì¤Þ¤»¤ó¡ª ¤È¤«¤Ç¤¤¤¤µ¤¤¬¤¹¤ë¡£¤¤¤¤¤ó¤À¤è¤½¤ì¤Ç! ¤³¤ÎÀ©Ìó¤Ï¤¿¤Ö¤ó¡¢ Ruby ¤Ç½ñ¤¤¤¿ Proc ¥ª¥Ö¥¸¥§¥¯¥È¤ò JIT ´Ø¿ô¤«¤é¸Æ¤ó¤À¾ì¹ç¤Î return ¤È¤«¤¬ ¤ï¤±¤ï¤«¤é¤ó¤³¤È¤Ë¤Ê¤ë(¤¿¤Ö¤óÍî¤Á¤ë?)¤ò°ÕÌ£¤¹¤ë¡Ä¤È»×¤¦¡£

¤Þ¤¡¤¿¤Ö¤ó¤Á¤ã¤ó¤È¤ä¤í¤¦¤È¤¹¤ë¤È¡¢¶²¤é¤¯¤À¤±¤É¡¢ Á°¼Ô¤Ï Ruby ¦¤¤¤¸¤é¤ó¤È¤¤¤±¤Ê¤¤¤È»×¤¦¤ó¤À¤è¤Í¡£ ¤À¤«¤é¤È¤ê¤¢¤¨¤ºËº¤ì¤ë¡£ ¸å¼Ô¤Ï Proc object Æ°¤«¤¹»þ¤Ï JIT ¤·¤Æ¤«¤é¸Æ¤Ö¡¢¤È¤«¤ä¤ì¤Ð¤Þ¤¡¤Ê¤ó¤È¤«¤Ê¤é¤ó¤Ç¤â¤Ê¤¤µ¤¤â¤¹¤ë¡£

¤¤¤ä rb_rescue ¤È¤«¤Ç¤Ç¤­¤¿¤ê¤¹¤ë¤Î¤«¤Ê¡Ä rb_rescue ¤â¤Þ¤¿ rb_rescue2 ¤È¤«¤¢¤Ã¤Æ°à¤¨¤ë¤Ê¡£ ¤Þ¤¡¤¤¤º¤ì¤Ë¤»¤è¤á¤É¤¤¤Î¤Ç˺¤ì¤ë¡£

¤Ç¤Þ¤¡¤È¤ê¤¢¤¨¤º¡¢¤½¤ÎÀ©¸Â¤Î¤â¤È¤Ç¤Ê¤é break ¤È¤«¤Ï¤Ç¤­¤ë¤ó¤¸¤ã¤Ê¤¤¤«¤Ê¡£

¤¢¤È raise ¤¬¤¢¤Ã¤¿¤é¡¢¤È¤ê¤¢¤¨¤º rb_raise ¸Æ¤ó¤Ç¤ä¤ë¤¯¤é¤¤¤Ï ¤·¤Æ¤¢¤²¤Æ¤â¤¤¤¤¤È»×¤¦¡£ ¤¤¤«¤Ë¤âÌÌÅݤ½¤¦¤Ê rescue ¤À¤Î¤Ê¤ó¤À¤Î¤Ï¤È¤ê¤¢¤¨¤ºËº¤ì¤ëÊý¸þ¤Ç¡£

¤·¤«¤·Ì¤¤À¤Ë Ruby ¤ÎÎã³°¤¬¤è¤¯¤ï¤«¤Ã¤Æ¤Ê¤¤¡£ vm_throw ¤Î throw_state ¤Ã¤Æ¿§¡¹Æñ²ò¤À¤Ê¡Ä

http://www.dzeta.jp/~junjis/code_reading/index.php?Ruby1.9%2F%CE%E3%B3%B0%BD%E8%CD%FD%A4%F2%C6%C9%A4%E0

http://rhg.rubyforge.org/svn/ja/chapter13.txt

(23:13)

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