Next: General Programming, Previous: Introduction, Up: Introduction [Contents][Index]
Flex¤Ï¥×¥í¥°¥é¥Þ¤ËÂФ·¤Æ¡¢ »ú¶ç²òÀϽèÍýÉôʬ¤ò¤¤ì¤¤¤Ëµ½Ò¤·¡¢ ¤½¤Îµ½Ò¤Ë¤·¤¿¤¬¤Ã¤¿¸úΨŪ¤Ê»ú¶ç¥¹¥¥ã¥Ê¤òÀ¸À®¤¹¤ëÊýË¡¤òÄ󶡤·¤Þ¤¹¡£ ¥×¥í¥°¥é¥Þ¤ÏFlex¤ËÂФ·¤Æ¡¢ ɬÍפʥ¹¥¥ã¥Ê¤Ë´Ø¤¹¤ëµ½Ò¾ðÊó¤òÄ󶡤·¤Þ¤¹¡£ Flex¤Ï¤½¤Îµ½Ò¾ðÊó¤ò»È¤Ã¤Æ¡¢ C¸À¸ì¤Ç½ñ¤«¤ì¤¿¥¹¥¥ã¥Ê¤òÀ¸À®¤·¤Þ¤¹¡£ µ½Ò¤Ë»È¤ï¤ì¤ë¸À¸ì¤Ï¾åµé¸À¸ì¤Ç¤¢¤ê¡¢ ¥¹¥¥ã¥Ê¤Îµ½Ò¤Ë´Ø¤·¤Æ¤ÏC¸À¸ì¤è¤ê¤â¤Ï¤ë¤«¤ËŬ¤·¤Æ¤¤¤Þ¤¹¡£ ¤½¤Î¾åµé¸À¸ì¤ò»È¤¦¤³¤È¤Ç¡¢ ¥×¥í¥°¥é¥Þ¤Ï¡¢ ʸ»ú¤ò¤É¤Î¤è¤¦¤Ë¥°¥ë¡¼¥×²½¤·¡¢ ¥°¥ë¡¼¥×²½¤¬´°Î»¤·¤¿»þ¤Ë¤É¤Î¤è¤¦¤Ê¥¢¥¯¥·¥ç¥ó¤òȯÀ¸¤µ¤»¤ë¤«¤ò»ØÄꤹ¤ë¤³¤È¤¬¤Ç¤¤Þ¤¹¡£
Ãí¡§¤³¤Î¥Þ¥Ë¥å¥¢¥ë¤Î¤Û¤È¤ó¤É¤ÎÉôʬ¤ÏFlex¡¢Lex¤ÎξÊý¤òÂоݤˤ·¤Æ¤¤¤Þ¤¹¡£ Lex¤Ï ¡ÊFlex¤Ë¤ÏÎô¤ê¤Þ¤¹¤¬¡Ë ¤Û¤È¤ó¤É¤ÎUnix¥·¥¹¥Æ¥à¾å¤Ë¤¢¤ëɸ½à¤Î¥¹¥¥ã¥ÊÀ¸À®¥æ¡¼¥Æ¥£¥ê¥Æ¥£¤Ç¤¹¡£ ξ¼Ô¤Î´Ö¤Ë°ã¤¤¤¬¤¢¤ë¾ì¹ç¤Ë¤Ï¡¢ Flex¤òÍ¥À褵¤»¤Æ¤¤¤Þ¤¹¡£ Lex¤Ë¤Ä¤¤¤Æ¤Ïɸ½àLex¤Ç´Êñ¤ËÀâÌÀ¤·¤Æ¤¢¤ê¤Þ¤¹¡£
¤³¤³¤Ç¤â£±¤Ä¤ÎÎɤ¤Î㤬¥³¥ó¥Ñ¥¤¥é¤Ç¤¹¡£ Á°¤ËµÄÏÀ¤·¤¿¤è¤¦¤Ë¡¢ ¥³¥ó¥Ñ¥¤¥é¤Î¹½Ê¸¥Á¥§¥Ã¥«¤Ï¡¢ ʸ»ú¤¬Ï¢Â³¤·¤¿¤â¤Î¤Ç¤Ï¤Ê¤¯¡¢ ¸À¸ìʸˡ¤Î¹½À®Í×ÁǤòɽ¤¹¥È¡¼¥¯¥ó¤¬Ï¢Â³¤·¤¿¤â¤Î¤ò¡¢ ÆþÎϤȤ·¤Æ¼õ¤±¼è¤ëɬÍפ¬¤¢¤ê¤Þ¤¹¡£ Flex¤Ï¤³¤Î¤è¤¦¤Ê¾ì¹ç¤ËºÇŬ¤Ç¤¹¡£ Flex¤Ë¤è¤Ã¤ÆÀ¸À®¤µ¤ì¤¿¥¹¥¥ã¥Ê¤¬¹½Ê¸¥Á¥§¥Ã¥«¤È¥Õ¥¡¥¤¥ë¤ÎÃç²ðÌò¤È¤Ê¤ê¡¢ ¹½Ê¸¥Á¥§¥Ã¥«¤¬¼¡¤Î°ÕÌ£¤Î¤¢¤ë¥È¡¼¥¯¥ó¤òÍ׵᤹¤ë¤Î¤òÂÔ¤Á¤Þ¤¹¡£ Flex¤Ï¥Õ¥¡¥¤¥ë¤òÆÉ¤ß¡¢ ¥×¥í¥°¥é¥Þ¤¬Í¿¤¨¤ëµ½Ò¤Ë¤·¤¿¤¬¤Ã¤ÆÊ¸»ú¤ò¥°¥ë¡¼¥×²½¤·¤Æ¡¢ ¥Þ¥Ã¥Á¤·¤¿¥È¡¼¥¯¥ó¤òÊֵѤ·¤Þ¤¹¡£ ¤³¤Î½èÍý¤Ï¡¢ ¥¹¥¥ã¥Ê¤â¤·¤¯¤Ï¥Ñ¡¼¥µ¤¬½ªÎ»¤¹¤ë¤Þ¤Ç³¤¤Þ¤¹¡£
C¤Î¥³¥ó¥Ñ¥¤¥é¤òºîÀ®¤¹¤ë¾ì¹ç¡¢ ¤³¤Î¤è¤¦¤Ê¤³¤È¤ò¹Ô¤¦¤¿¤á¤ËɬÍפȤʤëFlex¤Îµ½Ò¾ðÊó¤Ï¡¢ ¥³¡¼¥É¤Î¹Ô¿ô¤Ë¤·¤Æ100¹Ô¤«¤é300¹Ô¤¯¤é¤¤¤Ë¤Ê¤ë¤«¤â¤·¤ì¤Þ¤»¤ó¡£ ¤³¤Îµ½Ò¾ðÊó¤Î¤Û¤È¤ó¤É¤Ï¡¢ ¥·¥ó¥Ü¥ë¡¦¥Æ¡¼¥Ö¥ë¤Î´ÉÍý¡¢¼±Ê̻Ҥθ¡º÷¡¢·¿¤Î¥Þ¥Ã¥Ô¥ó¥°¡¢¤¢¤ë¿ô¤ÎÃÍÅù¤ÎÄɲþðÊó¤ÎÊֵѤò¹Ô¤¦¤¿¤á¤ÎÊä½õŪ¤ÊC¥³¡¼¥É¤Ë¤Ê¤ë¤Ç¤·¤ç¤¦¡£ ¤³¤¦¤·¤¿¥³¡¼¥É¼«ÂΤϵ½Ò¾ðÊó¤Î°ìÉô¤Ç¤Ï¤¢¤ê¤Þ¤»¤ó¤¬¡¢ Ä̾ ¥³¥ó¥Ñ¥¤¥é¤Ë¤è¤Ã¤ÆÉ¬ÍפȤµ¤ì¤ë¤â¤Î¤Ç¤¹¡£
³µÇ°Åª¤Ë¤ÏFlex¤Ï¡¢ ¸¶ºàÎÁ¡Êʸ»ú¡Ë¤ò¼è¤ê¹þ¤ß¡¢ ¾ÃÈñ¼Ô¡Ê¥Ñ¡¼¥µÅù¡Ë¤¬¤¹¤°¤Ë»È¤¦¤³¤È¤¬¤Ç¤¤ë´°À®Éʡʥȡ¼¥¯¥ó¡Ë¤òÀ½Â¤¤¹¤ë¹©¾ì¤Î¤è¤¦¤Ê¤â¤Î¤Ç¤¹¡£