Appendix A Bison¤Îµ­¹æ°ìÍ÷

error

¥¨¥é¡¼²óÉü¤Î¤¿¤á¤ËͽÌ󤵤ì¤Æ¤¤¤ë¥È¡¼¥¯¥ó̾¤Ç¤¹¡£ ¤³¤Î¥È¡¼¥¯¥ó¤¬Ê¸Ë¡µ¬Â§¤ÎÃæ¤Ç»È¤ï¤ì¤Æ¤¤¤ë¤È¡¢Bison¹½Ê¸²òÀÏ´ï¤Ï¡¢ ¹½Ê¸¥¨¥é¡¼¤òǧ¼±¤·¡¢¥×¥í¥»¥¹¤Î¼Â¹Ô¤òÃæÃǤ·¤Þ¤»¤ó¡£ ¼Â¼ÁŪ¤Ë¤Ï¡¢¥¨¥é¡¼¤ò´Þ¤àʸ¤¬¡¢Í­¸ú¤Ç¤¢¤ë¤Èǧ¼±¤µ¤ì¤Þ¤¹¡£ ¥¨¥é¡¼¤¬µ¯¤­¤ë¤È¡¢error¥È¡¼¥¯¥ó¤¬¸½ºß¤ÎÀèÆɤߥȡ¼¥¯¥ó¤Ë¤Ê¤ê¤Þ¤¹¡£ error¤ËÂбþ¤¹¤ë¥¢¥¯¥·¥ç¥ó¤¬¼Â¹Ô¤µ¤ì¤Æ¡¢ ÀèÆɤߥȡ¼¥¯¥ó¤¬¥¨¥é¡¼¤Î¸¶°ø¤Ë¤Ê¤Ã¤¿¥È¡¼¥¯¥ó¤ËÌᤵ¤ì¤Þ¤¹¡£ See Error Recovery¡£

YYABORT

²óÉüÉÔ²Äǽ¤Ê¹½Ê¸¥¨¥é¡¼¤¬È¯À¸¤·¤¿¾ì¹ç¤Î¤¿¤á¤Î¥Þ¥¯¥í¤Ç¡¢ ¼Â¹Ô¤¹¤ë¤È¤¿¤À¤Á¤Ëyyparse¤¬1¤òÊÖ¤·¤Þ¤¹¡£ ¥¨¥é¡¼Êó¹ð´Ø¿ôyyerror¤Ï¸Æ¤Ó½Ð¤µ¤ì¤Þ¤»¤ó¡£ See The Parser Function yyparse¡£

YYACCEPT

¹½Ê¸²òÀϴ郎¸À¸ì¤ò´°Á´¤ËÆɤ߽ª¤¨¤¿¾ì¹ç¤Î¤¿¤á¤Î¥Þ¥¯¥í¤Ç¡¢ ¼Â¹Ô¤¹¤ë¤È¤¿¤À¤Á¤Ëyyparse¤¬0¤òÊÖ¤·¤Þ¤¹¡£ See The Parser Function yyparse¡£

YYBACKUP

¹½Ê¸²òÀÏ´ï¤Î¥¹¥¿¥Ã¥¯¤«¤é1¸Ä¤ÎÃͤò¼Î¤Æ¡¢ÀèÆɤߥȡ¼¥¯¥ó¤Î¤Õ¤ê¤ò¤µ¤»¤Þ¤¹¡£ See Special Features for Use in Actions¡£

YYERROR

¹½Ê¸¥¨¥é¡¼¤¬¤Á¤ç¤¦¤É¸¡½Ð¤µ¤ì¤¿¾ì¹ç¤Î¤¿¤á¤Î¥Þ¥¯¥í¤Ç¡¢ yyerror¤ò¸Æ¤Ó¡¢²Äǽ¤Ê¤é¤ÐÄ̾ï¤Î¥¨¥é¡¼²óÉü½èÍý ¡Êsee Error Recovery¡Ë¤ò¼Â¹Ô¤·¡¢ÉÔ²Äǽ¤Ê¤é¤Ð yyparse¤¬1¤òÊÖ¤·¤Þ¤¹¡£ See Error Recovery¡£

YYERROR_VERBOSE

BisonÀë¸ÀÉô¤Ç#define¤Ë¤è¤Ã¤Æ¤³¤Î¥Þ¥¯¥í¤òÄêµÁ¤¹¤ë¤È¡¢ yyerror¤¬¸Æ¤Ð¤ì¤¿¤È¤­¤Ëɽ¼¨¤µ¤ì¤ë¥¨¥é¡¼Êó¹ð¤¬¾Ü¤·¤¯¤Ê¤ê¤Þ¤¹¡£

YYINITDEPTH

¹½Ê¸²òÀϴ凉¥¿¥Ã¥¯¤ÎºÇ½é¤ÎÂ礭¤µ¤ò»ØÄꤹ¤ë¥Þ¥¯¥í¤Ç¤¹¡£ See Stack Overflow¡£

YYLEX_PARAM

yyparse¤¬yylex¤ËÅϤ¹¤¿¤á¤Î¡¢Äɲäΰú¿ô¤Þ¤¿¤Ï °ú¿ô¤ÎʤӤò»ØÄꤹ¤ë¤¿¤á¤Î¥Þ¥¯¥í¤Ç¤¹¡£ See Calling Conventions for Pure Parsers¡£

YYLTYPE

yyloc¤Î¥Ç¡¼¥¿·¿¤ò¼¨¤¹¥Þ¥¯¥í¤Ç¡¢4¸Ä¤Î¥á¥ó¥Ð¤«¤é¤Ê¤ë¹½Â¤ÂΤǤ¹¡£ See Textual Positions of Tokens¡£

yyltype

YYLTYPE¤Î¾Êά»þ¤ÎÃͤǤ¹¡£

YYMAXDEPTH

¹½Ê¸²òÀÏ´ï¤Î¥¹¥¿¥Ã¥¯¤ÎºÇÂç¤ÎÂ礭¤µ¤ò»ØÄꤹ¤ë¥Þ¥¯¥í¤Ç¤¹¡£ See Stack Overflow¡£

YYPARSE_PARAM

yyparse¤¬¼õ¤±¼è¤ë¤Ù¤­°ú¿ô¤Î̾Á°¤ò»ØÄꤹ¤ë¥Þ¥¯¥í¤Ç¤¹¡£ See Calling Conventions for Pure Parsers¡£

YYRECOVERING

¹½Ê¸²òÀϴ郎¹½Ê¸¥¨¥é¡¼¤«¤é²óÉü¤·¤Æ¤¤¤ëÅÓÃ椫¤É¤¦¤«¤ò¼¨¤¹ÃͤΥޥ¯¥í¤Ç¤¹¡£ See Special Features for Use in Actions¡£

YYSTYPE

°ÕÌ£ÃͤΥǡ¼¥¿·¿¤ò»ØÄꤹ¤ë¤¿¤á¤Î¥Þ¥¯¥í¤Ç¡¢¾Êά¤¹¤ë¤Èint¤Ë¤Ê¤ê¤Þ¤¹¡£ See Data Types of Semantic Values¡£

yychar

¹­°èŪ¤Êint·¿¤ÎÊÑ¿ô¤Ç¡¢¸½ºß¤ÎÀèÆɤߥȡ¼¥¯¥ó¤ÎÈÖ¹æ¤òµ­²±¤·¤Æ¤¤¤Þ¤¹ ¡ÊºÆÆþ²Äǽ¤Ê¹½Ê¸²òÀÏ´ï¤Ç¤Ï¡¢¤³¤ÎÊÑ¿ô¤Ïyyparse¤Ë¶É½êŪ¤Ç¤¹¡Ë¡£ ¥¨¥é¡¼²óÉüµ¬Â§¤Î¥¢¥¯¥·¥ç¥ó¤Ï¡¢¤³¤ÎÊÑ¿ô¤ÎÃͤòÄ´¤Ù¤é¤ì¤Þ¤¹¡£ See Special Features for Use in Actions¡£

yyclearin

¥¨¥é¡¼²óÉüµ¬Â§¤Î¥¢¥¯¥·¥ç¥ó¤Ç»È¤ï¤ì¤ë¥Þ¥¯¥í¤Ç¤¹¡£ ľÁ°¤ÎÀèÆɤߥȡ¼¥¯¥ó¤ò¾Ãµî¤·¤Þ¤¹¡£ See Error Recovery¡£

yydebug

int·¿¤Î¹­°èÊÑ¿ô¤Ç¡¢½é´üÃͤÏ0¤Ç¤¹¡£ yydebug¤ÎÃͤ¬0¤Ç¤Ê¤¤¤È¡¢¹½Ê¸²òÀÏ´ï¤Ï¡¢ Æɤ߹þ¤ó¤Àµ­¹æ¤È¹½Ê¸²òÀÏ´ï¤Î¥¢¥¯¥·¥ç¥ó¤Ë´Ø¤¹¤ë¾ðÊó¤òɽ¼¨¤·¤Þ¤¹¡£ See Debugging Your Parser¡£

yyerrok

¹½Ê¸¥¨¥é¡¼¤Î¸å¤Ç¡¢¹½Ê¸²òÀÏ´ï¤ò¤¿¤À¤Á¤ËÄ̾ï¤Î¾õÂÖ¤ËÌ᤹¤¿¤á¤Î¥Þ¥¯¥í¤Ç¤¹¡£ See Error Recovery¡£

yyerror

¥¨¥é¡¼¤¬µ¯¤­¤¿¤È¤­¤Ëyyparse¤«¤é¸Æ¤Ó½Ð¤µ¤ì¤ë¡¢¥æ¡¼¥¶¡¼ÄêµÁ´Ø¿ô¤Ç¤¹¡£ ¤³¤Î´Ø¿ô¤Ï1¸Ä¤Î°ú¿ô¤ò¼õ¤±¼è¤ê¡¢¤½¤Î°ú¿ô¤Ï¥¨¥é¡¼¤ÎÊó¹ð¤ò´Þ¤àʸ»úÎó¤Ø¤Î ¥Ý¥¤¥ó¥¿¤Ç¤¹¡£ See The Error Reporting Function yyerror¡£

yylex

¥æ¡¼¥¶¡¼ÄêµÁ¤Î»ú¶ç²òÀÏ´Ø¿ô¤Ç¡¢¼¡¤Î¥È¡¼¥¯¥ó¤òÆÀ¤ë¤¿¤á¤Ë¡¢ °ú¿ô¤Ê¤·¤Ç¸Æ¤Ó½Ð¤µ¤ì¤Þ¤¹¡£ See The Lexical Analyzer Function yylex¡£

yylval

¥È¡¼¥¯¥ó¤Ë´ØÏ¢¤¹¤ë°ÕÌ£Ãͤòyylex¤¬ÃÖ¤¯¤¿¤á¤Î¹­°èÊÑ¿ô¤Ç¤¹ ¡ÊºÆÆþ²Äǽ¤Ê¹½Ê¸²òÀÏ´ï¤Ç¤Ï¡¢¤³¤ì¤Ïyyparse¤Î¶É½êÊÑ¿ô¤Ç¡¢ ¤½¤ÎÈÖÃϤ¬yylex¤ËÅϤµ¤ì¤Þ¤¹¡Ë¡£ See Semantic Values of Tokens¡£

yylloc

¥È¡¼¥¯¥ó¤Ë´ØÏ¢¤¹¤ë¹ÔÈÖ¹æ¤È·åÈÖ¹æ¤òyylex¤¬ÃÖ¤¯¤¿¤á¤Î ¹­°èÊÑ¿ô¤Ç¤¹¡ÊºÆÆþ²Äǽ¤Ê¹½Ê¸²òÀÏ´ï¤Ç¤Ï¡¢¤³¤ÎÊÑ¿ô¤Ïyyparse¤Ë ¶É½êŪ¤Ç¡¢¤½¤ÎÈÖÃϤ¬yylex¤ËÅϤµ¤ì¤Þ¤¹¡Ë¡£ ʸˡ¥¢¥¯¥·¥ç¥ó¤Ç‘@’µ¡Ç½¤ò»È¤ï¤Ê¤¤¤Ê¤é¤Ð¡¢ ¤³¤ÎÃͤò̵»ë¤·¤Æ¤«¤Þ¤¤¤Þ¤»¤ó¡£ See Textual Positions of Tokens¡£

yynerrs

¹½Ê¸¥¨¥é¡¼¤¬È¯À¸¤¹¤ë¤¿¤Ó¤ËBison¤¬Ãͤò1Áý¤ä¤¹¹­°èÊÑ¿ô¤Ç¤¹ ¡ÊºÆÆþ²Äǽ¤Ê¹½Ê¸²òÀÏ´ï¤Ç¤Ï¡¢¤³¤ÎÊÑ¿ô¤Ïyyparse¤Ë¶É½êŪ¤Ç¤¹¡Ë¡£ See The Error Reporting Function yyerror¡£

yyparse

Bison¤Ë¤è¤Ã¤ÆÀ¸À®¤µ¤ì¤ë¹½Ê¸²òÀÏ´ï´Ø¿ô¤Ç¡¢ ¤³¤Î´Ø¿ô¤ò¸Æ¤Ó½Ð¤¹¤³¤È¤Ë¤è¤Ã¤Æ¹½Ê¸²òÀϤ¬»Ï¤Þ¤ê¤Þ¤¹¡£ See The Parser Function yyparse¡£

%left

¥È¡¼¥¯¥ó¤Ëº¸·ë¹çÀ­¤òÍ¿¤¨¤ëBisonÀë¸À¤Ç¤¹¡£ See Operator Precedence¡£

%no_lines

¹½Ê¸²òÀÏ´ï¥Õ¥¡¥¤¥ë¤ÎÃæ¤Ë#line¥Ç¥£¥ì¥¯¥Æ¥£¥Ö¤òÀ¸À®¤·¤Ê¤¤¤¿¤á¤Î BisonÀë¸À¤Ç¤¹¡£ See Decl Summary¡£

%nonassoc

¥È¡¼¥¯¥ó¤ËÈó·ë¹çÀ­¤òÍ¿¤¨¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See Operator Precedence¡£

%prec

»ØÄꤵ¤ì¤¿µ¬Â§¤ËÍ¥Àè½ç°Ì¤òÍ¿¤¨¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See Context-Dependent Precedence¡£

%pure_parser

ºÆÆþ²Äǽ¤Ê¹½Ê¸²òÀÏ´ï¤òÀ¸À®¤¹¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See A Pure (Reentrant) Parser¡£

%raw

Ä̾ï¤ÎYacc¸ß´¹¥È¡¼¥¯¥óÈÖ¹æ¤ÎÂå¤ï¤ê¤Ë¡¢ ¥È¡¼¥¯¥óɽ¤ÎBisonÆâÉô¥È¡¼¥¯¥óÈÖ¹æ¤ò»È¤¦¤¿¤á¤Î¡¢BisonÀë¸À¤Ç¤¹¡£ See Decl Summary¡£

%right

¥È¡¼¥¯¥ó¤Ë±¦·ë¹çÀ­¤òÍ¿¤¨¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See Operator Precedence¡£

%start

³«»Ïµ­¹æ¤ò»ØÄꤹ¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See The Start-Symbol¡£

%token

Í¥Àè½ç°Ì¤ò»ØÄꤻ¤º¤Ë¥È¡¼¥¯¥ó¤òÀë¸À¤¹¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See Token Type Names¡£

%token_table

¹½Ê¸²òÀÏ´ï¥Õ¥¡¥¤¥ë¤ÎÃæ¤Ç¥È¡¼¥¯¥ó̾¤Îɽ¤òÁÞÆþ¤¹¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See Decl Summary¡£

%type

Èó½ªÃ¼µ­¹æ¤òÀë¸À¤¹¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See Nonterminal Symbols¡£

%union

°ÕÌ£ÃͤȤ·¤Æ²Äǽ¤Ê¤¤¤¯¤Ä¤«¤Î¥Ç¡¼¥¿·¿¤ò»ØÄꤹ¤ë¤¿¤á¤ÎBisonÀë¸À¤Ç¤¹¡£ See The Collection of Value Types.

Bisonʸˡ¥Õ¥¡¥¤¥ë¤ÎÃæ¤Ç»È¤¦¡¢¶èÀڤ국¹æ¤¬¤¢¤ê¤Þ¤¹¡£

‘%%’

BisonÀë¸ÀÉô¡¢Ê¸Ë¡µ¬Â§Éô¡¢¡Ê¾Êά²Äǽ¤Ê¡ËC¥×¥í¥°¥é¥àÉô¤ò¶èÀڤ뵭¹æ¤Ç¤¹¡£ See The Overall Layout of a Bison Grammar¡£

‘%{ %}’

ʸˡ¥Õ¥¡¥¤¥ë¤Î‘%{’¤È‘%}’¤Î´Ö¤Ë½ñ¤«¤ì¤¿¤¹¤Ù¤Æ¤Î¥×¥í¥°¥é¥à¤Ï¡¢ ¤½¤Î¤Þ¤Þ¹½Ê¸²òÀÏ´ï¥Õ¥¡¥¤¥ë¤ËÊ£¼Ì¤µ¤ì¤Þ¤¹¡£ ¤³¤Î¤è¤¦¤Ê¥×¥í¥°¥é¥à¤¬¡¢Ê¸Ë¡¥Õ¥¡¥¤¥ë¤ÎCÀë¸ÀÉô¤ò¹½À®¤·¤Þ¤¹¡£ See Outline of a Bison Grammar¡£

‘/*…*/’

C¸À¸ì¤ÈƱÍͤΥ³¥á¥ó¥È¤Ç¤¹¡£

‘:’

µ¬Â§¤Î·ë²Ì¤È¹½À®Í×ÁǤòʬΥ¤¹¤ëµ­¹æ¤Ç¤¹¡£ See Syntax of Grammar Rules¡£

‘;’

µ¬Â§¤Î½ª¤ï¤ê¤Îµ­¹æ¤Ç¤¹¡£ See Syntax of Grammar Rules¡£

‘|’

Ʊ°ì¤ÎÈó½ªÃ¼µ­¹æ¤ò·ë²Ì¤È¤¹¤ëÊ£¿ô¤Îµ¬Â§¤ò¶èÀڤ뵭¹æ¤Ç¤¹¡£ See Syntax of Grammar Rules¡£