🚀 go-pugleaf

$B5WLn$G$9!#(B

$BBl@n$5$s(B:
> $B>/$J$/$H$b(B Dragon Book $B$N:n<T$O$=$&9M$($F$$$^$9!#(B

  $B$=$l$O(BDragon Book$B$N$I$NJU$r8+$k$H=q$$$F$"$k$N$G$7$g$&!#8e3X$N(B
$B$?$a65$($F$/$@$5$$!#(B

> Atttribute Grammar$B$r:n$C$?(B Knuth $B$b$=$&$G$7$g$&!#(B

  $BB0@-J8K!$d$5$s$O$^$"$=$&$J$s$G$7$g$&!#(B

> $B$b$7>e$NNc$,$*5$$K>$$5$J$$$J$i!"(B

  $B$$$(!">$$9(B/$B>$$5$J$$$8$c$J$/$FJ8K!$H0UL#$N6-3&$K6=L#$,$"$k$s$G$9!#(B

>   foo (* bar);

  $B$3$l$K$O$^$C$?$/0[O@$J$$$G$9$h!#(B

> $B9=J82r@OIt$H0UL#=hM}It$NJ,N%$OC1$K<BAu$NET9g$G!"K\<AE*$8$c$"$j(B
> $B$^$;$s!#9=J82r@OIt$H;z6g2r@OIt$NJ,N%$bF1MM$G$9$M!#(B

  $B$=$l$OF10U$7$^$9$,!"9=J82r@O$H0UL#2r@O$N6hJL$O$J$$!"$H$$$&$o$1(B
$B$8$c$J$$$G$9$h$M(B? $B6hJL$O$J$$!"$H$$$&$N$J$i$=$l0J>e5DO@$7$h$&$,$J(B
$B$$$G$9$1$I!#(B

> cc0 ($B$h$j6/$$J8K!$rMQ$$$?%W%m%0%i%`(B)$B$HHf$Y$F$NOC$G$9!#5WLn$5$s(B
> $B$O2?$HHf$Y$FCY$$$H;W$o$l$F$$$k$N$G$9$+(B? (m4 $B$H$+$+$J(B?)

     $B%^%/%m%W%m%;%C%5$O$N$m$$$H$$$&@hF~4Q$,$"$j$^$7$F!D(B     $B5WLn(B