-"--HASH_WITH_PREFIX_KEY" { yyextra->begin= yytext; return HASH_WITH_PREFIX_KEY; }
-"--HASH-WITH-PREFIX_KEY" { yyextra->begin= yytext; return HASH_WITH_PREFIX_KEY; }
-"--IO_BYTES_WATERMARK" { yyextra->begin= yytext; return IO_BYTES_WATERMARK; }
-"--IO-BYTES-WATERMARK" { yyextra->begin= yytext; return IO_BYTES_WATERMARK; }
-"--IO_KEY_PREFETCH" { yyextra->begin= yytext; return IO_KEY_PREFETCH; }
-"--IO-KEY-PREFETCH" { yyextra->begin= yytext; return IO_KEY_PREFETCH; }
-"--IO_MSG_WATERMARK" { yyextra->begin= yytext; return IO_MSG_WATERMARK; }
-"--IO-MSG-WATERMARK" { yyextra->begin= yytext; return IO_MSG_WATERMARK; }
-"--KETAMA" { yyextra->begin= yytext; return KETAMA; }
-"--KETAMA_HASH=" { yyextra->begin= yytext; return KETAMA_HASH; }
-"--KETAMA-HASH=" { yyextra->begin= yytext; return KETAMA_HASH; }
-"--KETAMA_WEIGHTED" { yyextra->begin= yytext; return KETAMA_WEIGHTED; }
-"--KETAMA-WEIGHTED" { yyextra->begin= yytext; return KETAMA_WEIGHTED; }
+"--IO-BYTES-WATERMARK=" { yyextra->begin= yytext; return IO_BYTES_WATERMARK; }
+"--IO-KEY-PREFETCH=" { yyextra->begin= yytext; return IO_KEY_PREFETCH; }
+"--IO-MSG-WATERMARK=" { yyextra->begin= yytext; return IO_MSG_WATERMARK; }