From: Tanaka Akira <akr@...17n.org>
Date: 2001-07-05T12:03:20+09:00
Subject: [ruby-list:30467] Re: syntax check without execution?

In article <8766d9z6dx.wl@studly.priv.netlab.jp>,
  Shugo Maeda <shugo@ruby-lang.org> writes:

> $B$H$j$"$($:(Bsystem$B$G(Bruby -c$B$r8F$V$H$+!D!#(B

$B$*$)!#$J$k$[$I!#(B

$B$G$b!"$U$H;W$C$?$N$G$9$,!"(B

def valid?
  loop {
    begin
      eval("BEGIN {return true}; #{code}")
    rescue SyntaxError
      return false
    end
  }
end

$B$H$$$&$N$,0BA4$J5$$,$7$F$-$^$7$?!#$3$l$C$F$I$N$/$i$$0BA4$J$s$G$7$g$&(B?

$B$=$l$O$=$l$H$7$F(B Proc#compile $B$,$"$k$H4r$7$$$N$b;v<B$G$9$,!#(B
-- 
[$BEDCf(B $BE/(B][$B$?$J$+(B $B$"$-$i(B][Tanaka Akira]
$B!V$U$($m(B! $B$o$+$a$A$c$s:n@o$G$9$(C"=$B!W(B(Little Worker, $B7KM7@84](B)