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6.6 ʸ»ú¥Æ¡¼¥Ö¥ë

ʸ»ú¥Æ¡¼¥Ö¥ë¤Ï¥Ù¥¯¥È¥ë¤Ë¤è¤¯»÷¤Æ¤¤¤Þ¤¹¤¬¡¢ ʸ»ú¥³¡¼¥É¤Çź»úÉÕ¤±¤¹¤ëÅÀ¤¬°Û¤Ê¤ê¤Þ¤¹¡£ ½¤¾þ»Ò¤òȼ¤ï¤Ê¤¤Ç¤°Õ¤ÎÀµÅö¤Êʸ»ú¥³¡¼¥É¤Ï¡¢Ê¸»ú¥Æ¡¼¥Ö¥ë¤Îź»ú¤Ë»È¤¨¤Þ¤¹¡£ ʸ»ú¥Æ¡¼¥Ö¥ë¤ÎÍ×ÁǤϡ¢Ç¤°Õ¤ÎÇÛÎó¤Î¤è¤¦¤Ë¡¢aref¤äaset¤Ç »²¾È¤Ç¤­¤Þ¤¹¡£ ¤µ¤é¤Ë¡¢Ê¸»ú¥Æ¡¼¥Ö¥ë¤Ç¤Ï¡¢ ÆÃÄê¤Îʸ»ú¥³¡¼¥É¤Ë¤ÏÂбþ¤·¤Ê¤¤Äɲåǡ¼¥¿¤òÊÝ»ý¤¹¤ë¤¿¤á¤ÎÄɲå¹¥í¥Ã¥È¤ò ÊÝ»ý¤Ç¤­¤Þ¤¹¡£ ɾ²Á»þ¤Ë¤Ï¡¢Ê¸»ú¥Æ¡¼¥Ö¥ë¤ÏÄê¿ô¤Ç¤¹¡£

³ÆÊ¸»ú¥Æ¡¼¥Ö¥ë¤Ë¤Ï¡¢¥·¥ó¥Ü¥ë¤Ç¤¢¤ë¥µ¥Ö¥¿¥¤¥×¡Êsubtype¡Ë¤¬¤¢¤ê¤Þ¤¹¡£ ¥µ¥Ö¥¿¥¤¥×¤Ë¤Ï2¤Ä¤ÎÌÜŪ¤¬¤¢¤ê¤Þ¤¹¡£ °Û¤Ê¤ë»È¤¤Êý¤ò¤¹¤ëʸ»ú¥Æ¡¼¥Ö¥ë¤ò¶èÊ̤¹¤ë¤¿¤á¤È¡¢ Äɲå¹¥í¥Ã¥È¤Î¸Ä¿ô¤òÀ©¸æ¤¹¤ë¤¿¤á¤Ç¤¹¡£ ¤¿¤È¤¨¤Ð¡¢É½¼¨¥Æ¡¼¥Ö¥ë¤Ï¥µ¥Ö¥¿¥¤¥×¤¬display-table¤Ç¤¢¤ë ʸ»ú¥Æ¡¼¥Ö¥ë¤Ç¤¢¤ê¡¢ ¹½Ê¸¥Æ¡¼¥Ö¥ë¤Ï¥µ¥Ö¥¿¥¤¥×¤¬syntax-table¤Ç¤¢¤ëʸ»ú¥Æ¡¼¥Ö¥ë¤Ç¤¹¡£ ÀµÅö¤Ê¥µ¥Ö¥¿¥¤¥×¤Ë¤Ï¡¢char-table-extra-slots°À­¤¬¤¢¤ë¤Ï¤º¤Ç¡¢ ¤½¤ÎÃͤÏ0¤«¤é10¤Þ¤Ç¤ÎÀ°¿ô¤Ç¤¹¡£ ¤³¤ÎÀ°¿ô¤¬Ê¸»ú¥Æ¡¼¥Ö¥ë¤ÎÄɲå¹¥í¥Ã¥È¤Î¸Ä¿ô¤ò»ØÄꤷ¤Þ¤¹¡£

ʸ»ú¥Æ¡¼¥Ö¥ë¤Ï¡¢Ê̤Îʸ»ú¥Æ¡¼¥Ö¥ë¤Ç¤¢¤ë¿Æ¤ò»ý¤Æ¤Þ¤¹¡£ ¤½¤Î¾ì¹ç¡¢ÆÃÄê¤Îʸ»úc¤ËÂФ¹¤ëʸ»ú¥Æ¡¼¥Ö¥ë¤Î»ØÄ꤬nil¤Î¤È¤­¤Ë¤Ï¡¢ ¿Æ¤Ë¤ª¤¤¤Æ»ØÄꤵ¤ì¤¿Ãͤò·Ñ¾µ¤·¤Þ¤¹¡£ ¤¤¤¤¤«¤¨¤ì¤Ð¡¢char-table¼«ÂΤËnil¤ò»ØÄꤷ¤Æ¤¢¤ë¤È¡¢ (aref char-table c)¤Ï¡¢ char-table¤Î¿Æ¤ÎÃͤòÊÖ¤·¤Þ¤¹¡£

ʸ»ú¥Æ¡¼¥Ö¥ë¤Ï¡¢¥Ç¥Õ¥©¥ë¥ÈÃͤâ»ý¤Æ¤Þ¤¹¡£ ¤½¤Î¾ì¹ç¡¢Ê¸»ú¥Æ¡¼¥Ö¥ë¤¬»ØÄꤹ¤ëÃͤ¬nil¤Ç¤¢¤ë¤È¡¢ (aref char-table c)¤Ï¥Ç¥Õ¥©¥ë¥ÈÃͤòÊÖ¤·¤Þ¤¹¡£

Function: make-char-table subtype &optional init

¥µ¥Ö¥¿¥¤¥×¤¬subtype¤Ç¤¢¤ë¿·¤¿¤ËºîÀ®¤·¤¿Ê¸»ú¥Æ¡¼¥Ö¥ë¤òÊÖ¤¹¡£ ³ÆÍ×ÁǤòinit¤Ç½é´ü²½¤¹¤ë¡£ ¤Ê¤ª¡¢init¤Î¥Ç¥Õ¥©¥ë¥È¤Ïnil¤Ç¤¢¤ë¡£ ʸ»ú¥Æ¡¼¥Ö¥ëºîÀ®¸å¤Ë¤Ï¡¢Ê¸»ú¥Æ¡¼¥Ö¥ë¤Î¥µ¥Ö¥¿¥¤¥×¤ÏÊѹ¹¤Ç¤­¤Ê¤¤¡£

ʸ»ú¥Æ¡¼¥Ö¥ë¤ÎŤµ¤ò»ØÄꤹ¤ë°ú¿ô¤Ï¤Ê¤¤¡£ ¤Ê¤¼¤Ê¤é¡¢¤¹¤Ù¤Æ¤Îʸ»ú¥Æ¡¼¥Ö¥ë¤Ç¤Ï¡¢ Ǥ°Õ¤ÎÀµÅö¤Êʸ»ú¥³¡¼¥É¤òź»ú¤È¤·¤Æ»È¤¨¤ë¤«¤é¤Ç¤¢¤ë¡£

Function: char-table-p object

¤³¤Î´Ø¿ô¤Ï¡¢object¤¬Ê¸»ú¥Æ¡¼¥Ö¥ë¤Ê¤é¤Ðt¤òÊÖ¤·¡¢ ¤µ¤â¤Ê¤±¤ì¤Ðnil¤òÊÖ¤¹¡£

Function: char-table-subtype char-table

¤³¤Î´Ø¿ô¤Ïchar-table¤Î¥µ¥Ö¥¿¥¤¥×¤òɽ¤¹¥·¥ó¥Ü¥ë¤òÊÖ¤¹¡£

Function: set-char-table-default char-table new-default

¤³¤Î´Ø¿ô¤Ïchar-table¤Î¥Ç¥Õ¥©¥ë¥ÈÃͤònew-default¤Ë¤¹¤ë¡£

ʸ»ú¥Æ¡¼¥Ö¥ë¤Î¥Ç¥Õ¥©¥ë¥ÈÃͤò»²¾È¤¹¤ë¤¿¤á¤ÎÆÃÊ̤ʴؿô¤Ï¤Ê¤¤¡£ ¤½¤ì¤Ë¤Ï(char-table-range char-table nil)¤ò»È¤¦¡£

Function: char-table-parent char-table

¤³¤Î´Ø¿ô¤Ïchar-table¤Î¿Æ¤òÊÖ¤¹¡£ ¿Æ¤Ï¡¢nil¤Ç¤¢¤ë¤«Â¾¤Îʸ»ú¥Æ¡¼¥Ö¥ë¤Ç¤¢¤ë¡£

Function: set-char-table-parent char-table new-parent

¤³¤Î´Ø¿ô¤Ïchar-table¤Î¿Æ¤ònew-parent¤Ë¤¹¤ë¡£

Function: char-table-extra-slot char-table n

¤³¤Î´Ø¿ô¤Ïchar-table¤ÎÄɲå¹¥í¥Ã¥Èn¤ÎÆâÍÆ¤òÊÖ¤¹¡£ ʸ»ú¥Æ¡¼¥Ö¥ëÆâ¤ÎÄɲå¹¥í¥Ã¥È¤Î¸Ä¿ô¤Ï¤½¤Î¥µ¥Ö¥¿¥¤¥×¤Ç·è¤Þ¤ë¡£

Function: set-char-table-extra-slot char-table n value

¤³¤Î´Ø¿ô¤Ïchar-table¤ÎÄɲå¹¥í¥Ã¥Èn¤Ëvalue¤ò³ÊǼ¤¹¤ë¡£

ʸ»ú¥Æ¡¼¥Ö¥ë¤Ç¤Ï¡¢1¤Ä¤Îʸ»ú¥³¡¼¥É¤ËÂФ·¤Æ1¤Ä¤ÎÍ×ÁÇÃͤò»ØÄê¤Ç¤­¤Þ¤¹¡£ ¤Þ¤¿¡¢Ê¸»ú½¸¹çÁ´ÂΤËÂФ·¤Æ1¤Ä¤ÎÃͤò»ØÄꤹ¤ë¤³¤È¤â¤Ç¤­¤Þ¤¹¡£

Function: char-table-range char-table range

¤³¤ì¤Ï¡¢char-table¤Ë¤ª¤¤¤ÆÊ¸»úÈϰÏrange¤Ë»ØÄꤵ¤ì¤Æ¤¤¤ëÃͤòÊÖ¤¹¡£ range¤È¤·¤Æ²Äǽ¤Ê¤â¤Î¤Ï°Ê²¼¤Î¤È¤ª¤ê¡£

nil

¥Ç¥Õ¥©¥ë¥ÈÃͤò»Ø¤¹¡£

char

¡Êchar¤¬ÀµÅö¤Êʸ»ú¥³¡¼¥É¤Ç¤¢¤ë¤È²¾Äꤷ¤Æ¡Ë ʸ»úchar¤ËÂФ¹¤ëÍ×ÁǤò»Ø¤¹¡£

charset

ʸ»ú½¸¹çcharsetÁ´ÂΤËÂФ·¤Æ»ØÄꤷ¤Æ¤¢¤ëÃͤò»Ø¤¹ ¡Êsee Character Sets¡Ë¡£

generic-char

ʸ»ú½¸¹ç¤ËÂФ¹¤ëÈÆÍÑʸ»ú¤òɽ¤¹¡£ °ú¿ô¤È¤·¤ÆÈÆÍÑʸ»ú¤ò»ØÄꤹ¤ë¤³¤È¤Ï¡¢Ê¸»ú½¸¹ç̾¤ò»ØÄꤹ¤ë¤³¤È¤ÈƱÃÍ¡£ ÈÆÍÑʸ»ú¤ÎÀâÌÀ¤Ï¡¢see Splitting Characters¡£

Function: set-char-table-range char-table range value

¤³¤Î´Ø¿ô¤Ïʸ»úÈϰÏrange¤ËÂФ¹¤ëchar-table¤ÎÃͤòÀßÄꤹ¤ë¡£ range¤È¤·¤Æ²Äǽ¤Ê¤â¤Î¤Ï°Ê²¼¤Î¤È¤ª¤ê¡£

nil

¥Ç¥Õ¥©¥ë¥ÈÃͤò»Ø¤¹¡£

t

ʸ»ú¥³¡¼¥É¤ÎÈϰÏÁ´ÂΤò»Ø¤¹¡£

char

¡Êchar¤¬ÀµÅö¤Êʸ»ú¥³¡¼¥É¤Ç¤¢¤ë¤È²¾Äꤷ¤Æ¡Ë ʸ»úchar¤ËÂФ¹¤ëÍ×ÁǤò»Ø¤¹¡£

charset

ʸ»ú½¸¹çcharsetÁ´ÂΤËÂФ·¤Æ»ØÄꤷ¤Æ¤¢¤ëÃͤò»Ø¤¹ ¡Êsee Character Sets¡Ë¡£

generic-char

ʸ»ú½¸¹ç¤ËÂФ¹¤ëÈÆÍÑʸ»ú¤òɽ¤¹¡£ °ú¿ô¤È¤·¤ÆÈÆÍÑʸ»ú¤ò»ØÄꤹ¤ë¤³¤È¤Ï¡¢Ê¸»ú½¸¹ç̾¤ò»ØÄꤹ¤ë¤³¤È¤ÈƱÃÍ¡£ ÈÆÍÑʸ»ú¤ÎÀâÌÀ¤Ï¡¢see Splitting Characters¡£

Function: map-char-table function char-table

¤³¤Î´Ø¿ô¤Ï¡¢char-table¤Î³ÆÍ×ÁǤˤĤ¤¤Æfunction¤ò¸Æ¤Ó½Ð¤¹¡£ function¤ò¥­¡¼¤ÈÃͤÎ2¤Ä¤Î°ú¿ô¤Ç¸Æ¤Ó½Ð¤¹¡£ ¥­¡¼¤Ïchar-table-range¤ËÂФ¹¤ë²Äǽ¤Êrange°ú¿ô¤Ç¤¢¤ê¡¢ ÀµÅö¤Êʸ»ú¤«ÈÆÍÑʸ»ú¤Ç¤¢¤ë¡£ ÃͤÏ(char-table-range char-table key)¤Ç¤¢¤ë¡£

Á´ÂΤȤ·¤Æ¡¢function¤ËÅϤ¹¥­¡¼¡¦ÃͤÎÂФϡ¢ char-table¤Ë³ÊǼ¤µ¤ì¤¿¤¹¤Ù¤Æ¤ÎÃͤòɽ¤¹¡£

Ìá¤êÃͤϤĤͤËnil¤Ç¤¢¤ë¡£ ¤³¤Î´Ø¿ô¤¬Í­ÍѤǤ¢¤ë¤è¤¦¤Ë¤¹¤ë¤Ë¤Ï¡¢ function¤Ë¤ÏÉûºîÍѤ¬¤¢¤ë¤Ù¤­¤Ç¤¢¤ë¡£ ¤¿¤È¤¨¤Ð¡¢¤Ä¤®¤Ï¹½Ê¸¥Æ¡¼¥Ö¥ë¤Î³ÆÍ×ÁǤÎÄ´¤ÙÊý¤Ç¤¢¤ë¡£

(let (accumulator)
  (map-char-table
   #'(lambda (key value)
       (setq accumulator
             (cons (list key value) accumulator)))
   (syntax-table))
  accumulator)
⇒
((475008 nil) (474880 nil) (474752 nil) (474624 nil)
 ... (5 (3)) (4 (3)) (3 (3)) (2 (3)) (1 (3)) (0 (3)))

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