Marshal.dumpにおけるインスタンス変数の取り扱いについて

dubstep · March 16, 2012, 1:59pm

$B$1$$$8$e!w$$$7$D$+$G$9(B.

nil, true, Symbol, Fixnum, Class, Module
$B$G%$%s%9%?%s%9JQ?t$,Dj5A$5$l(B
$B$F$$$F$b(B, Marshal.dump $B$G$O(B,
$B$=$N>pJs$,%@%s%W$5$l$J$$$h$&$G$9(B.

$B$^$?(B, Bignum, Float$B$O%$%s%9%?%s%9JQ?t$r%@%s%W$7$F$$$k$s$G$9$h$M(B.

$B$3$l$O(B, $B;EMM$J$s$G$7$g$&$+(B?
$B$3$&$J$C$F$$$kM}M3$,%$%^%$%AM}2r$G$-$J$$46(B
$B$8$J$s$G$9$h$M$’(B.

__
---------------------------------------------------->> $B@PDM(B $B7=<y(B
<<—
---------------------------------->> e-mail: [email protected] <<—

casper_the_ghost · March 17, 2012, 2:28am

$B$^$D$b$H(B $B$f$-$R$m$G$9(B

In message “Re: [ruby-dev:45372]
Marshal.dump$B$K$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”
on Fri, 16 Mar 2012 21:58:23 +0900, [email protected] (Keiju
ISHITSUKA) writes:

|nil, true, Symbol, Fixnum, Class, Module $B$G%$%s%9%?%s%9JQ?t$,Dj5A$5$l(B
|$B$F$$$F$b(B, Marshal.dump $B$G$O(B, $B$=$N>pJs$,%@%s%W$5$l$J$$$h$&$G$9(B.
|
|$B$^$?(B, Bignum, Float$B$O%$%s%9%?%s%9JQ?t$r%@%s%W$7$F$$$k$s$G$9$h$M(B.
|
|$B$3$l$O(B, $B;EMM$J$s$G$7$g$&$+(B?
$B$3$&$J$C$F$$$kM}M3$,%$%^%$%AM}2r$G$-$J$$46(B
|$B$8$J$s$G$9$h$M$’(B.

Class$B$H(BModule$B$O!V@hJ}$NF1L>$b$N$r;H$&!W$N$G!"<j85$G%$%s%9%?%s(B
$B%9JQ?t$,$"$m$&$HL5;k$7$^$9!#$$$:$l$K$7$F$b$3$A$i$NDj5A$r;}$C(B
$B$F$$$/$3$H$O$G$-$J$$$N$G!#(B

nil, true, symbol, fixnum$B$O(Bimmediate$B$J$N$G%$%s%9%?%s%9JQ?t$r(B
$B;}$AJb$-$?$/$J$$(B($B%$%s%9%?%s%9JQ?t$rDI2C$7$A$c$&$H!"%0%m!<%P%k(B
$B$K1F6A$rM?$($F$7$^$&(B)$B$H$$$&$N$,$=$NM}M3$G$9!#(BClass$B$d(BModule$B$H(B
$B0c$C$F!"$=$&$G$"$C$F$O$$$1$J$$$H$$$&$o$1$G$O$J$$$N$G$9$,!“F3(B
$BF~$K$O?5=E$G$”$j$?$$$G$9!#$"$H!"$`$7$m(BNumeric$B$N%5%V%/%i%9$G$"(B
$B$k(BBignum$B$H(BFloat$B$G%$%s%9%?%s%9JQ?t$rL5;k$9$k$h$&$K$7$?$$$/$i$$(B
$B$G$9$M!#(B

                            $B$^$D$b$H(B $B$f$-$R$m(B /:|)

casper_the_ghost · March 18, 2012, 12:56am

$B$^$D$b$H(B $B$f$-$R$m$G$9(B

In message “Re: [ruby-dev:45377] Re:
Marshal.dump$B$K$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”
on Sat, 17 Mar 2012 15:06:10 +0900, [email protected]
($B@PDM7=<y(B) writes:

|>$B$"$H!"$`$7$m(BNumeric$B$N%5%V%/%i%9$G$"$k(BBignum$B$H(BFloat$B$G%$%s%9%?%s%9JQ?t(B
|>$B$rL5;k$9$k$h$&$K$7$?$$$/$i$$$G$9$M!#(B
|
|$B;d$b8e<T$@$m$&$H;W$C$?$N$G$9$,(B, Bignum$B$H$+(BFloat$B$G$b%$%s%9%?%s%9JQ?t$r(B
|$B;}$D<BAu$d%5%V%/%i%9$,$"$C$F$b$*$+$7$/$O$J$$$N$G(B, $B$d$O$j8=9T$,L5Fq$J5$(B
|$B$,$7$F$-$^$7$?(B.

$B$^$"!“0JA0$O(BComplex$B$H$+DL>o$N%*%V%8%’%/%H$G$7$?$+$i$M!#(B
Numeric$B$N2<$@$+$i$H$$$&M}M3$G%$%s%9%?%s%9JQ?t$rA4It:o$i$l$?(B
$B$i$=$l$O$=$l$G:$$k$G$7$g$&$,!#$?$@!”(BT_OBJECT$B$G$J$$(BFloat$B$d(B
Bignum$B$O$d$C$Q$jL5;k$7$F$b$$$$$h$&$J5$$,$7$^$9!#(B

$B$J$s$G$J$s$G$7$g$&$M$(!#(Bakr$B$5$s$N(Br13413$B$+$i$=$&$$?$$$J$s$G!"(B
$BH`$KJ9$$$F$$J$$$H!#(B

casper_the_ghost · March 18, 2012, 2:46am

2012$BG/(B3$B7n(B18$BF|(B0:26 Yukihiro M. [email protected]:

| :
|
|$B$H0lEY(BQnil$B$rBeF~$7$F$$$k$N$G$9$,(B, $B$3$l$O$J$<$G$7$g$&$+(B?

$B$J$s$G$J$s$G$7$g$&$M$(!#(Bakr$B$5$s$N(Br13413$B$+$i$=$&$$?$$$J$s$G!"(B
$BH`$KJ9$$$F$$J$$$H!#(B

r13413 $B$G$O(B rb_gc_register_address $B$,4V$KF~$C$F$$$?$N$G!"(B
$B$=$3$G(B GC $B$,5/$-$k$3$H$X$NBP:v$G$9$M!#(B

% svn diff -c 13413 --diff-cmd diff -x ‘-u -p’
…

compat = ALLOC(marshal_compat_t);
compat->newclass = Qnil;
compat->oldclass = Qnil;
rb_gc_register_address(&compat->newclass);
rb_gc_register_address(&compat->oldclass);
compat->newclass = newclass;
compat->oldclass = oldclass;
compat->dumper = dumper;
compat->loader = loader;
…

rb_gc_register_address $BFb$G$O(B ALLOC $B$9$k$N$G(B GC
$B$,5/$-$k2DG=@-$,$“$j!”(B
GC $B$,5/$-$?$H$-$K(B compat->newclass $B$d(B compat->oldclass
$B$K%4%_$,F~$C$F$$$k$H(B
$B$h$m$7$/$J$+$C$?$s$8$c$J$$$G$7$g$&$+!#(B

casper_the_ghost · March 19, 2012, 2:57pm

$B$1$$$8$e!w$$$7$D$+$G$9(B.

In [ruby-dev:45381] the message: “[ruby-dev:45381] Re:
Marshal.dump$B$K(B
$B$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”, on Mar/18 00:26(JST)
Yukihiro M. writes:

$B$^$D$b$H(B $B$f$-$R$m$G$9(B

$B$^$"!"0JA0$O(BComplex$B$H$+DL>o$N%*%V%8%’%/%H$G$7$?$+$i$M!#(B
Numeric$B$N2<$@$+$i$H$$$&M}M3$G%$%s%9%?%s%9JQ?t$rA4It:o$i$l$?(B
$B$i$=$l$O$=$l$G:$$k$G$7$g$&$,!#(B

$B$?$7$+$K(B.

$B$?$@!"(BT_OBJECT$B$G$J$$(BFloat$B$d(BBignum$B$O$d$C$Q$jL5;k$7$F$b$$$$$h$&$J5$$,$7(B
$B$^$9!#(B

$B$=$&$G$9$M$’(B. $B$=$l$i$N(B,
(C$B%l%Y%k(B)$B%5%V%/%i%9$G$O%$%s%9%?%s%9JQ?t$ODj5A(B
$B$9$k$J(B,
$B$b$7$/$O$=$l$J$j$N(Bmashal$B%a%=%C%IDj5A$7$m$C$F5,Dj$9$k$N$O$"$j$+(B
$B$b(B.

|rb_marshal_define_compat() $B$G(B
$B$J$s$G$J$s$G$7$g$&$M$(!#(Bakr$B$5$s$N(Br13413$B$+$i$=$&$$?$$$J$s$G!"(B
$BH`$KJ9$$$F$$J$$$H!#(B

($B<!$KB3$-$^$9(B)

In [ruby-dev:45382] the message: “[ruby-dev:45382] Re:
Marshal.dump$B$K(B
$B$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”, on Mar/18 02:15(JST)
Tanaka
Akira writes:

r13413 $B$G$O(B rb_gc_register_address $B$,4V$KF~$C$F$$$?$N$G!"(B
$B$=$3$G(B GC $B$,5/$-$k$3$H$X$NBP:v$G$9$M!#(B
rb_gc_register_address $BFb$G$O(B ALLOC $B$9$k$N$G(B GC
$B$,5/$-$k2DG=@-$,$"$j!"(B
GC $B$,5/$-$?$H$-$K(B compat->newclass $B$d(B compat->oldclass
$B$K%4%_$,F~$C$F$$$k$H(B
$B$h$m$7$/$J$+$C$?$s$8$c$J$$$G$7$g$&$+!#(B

$B$J$k$[$I(B, $B$=$N>uBV$J$iM}2r$G$-$^$9(B.

$B$H$$$&$3$H$O(B, $B$9$/$J$/$H$b(B,
$B:#$OI,MW$J$$$H$$$&;v$GNI$$$s$G$9$h$M(B?

$B$5$i$K:Y$+$/$J$k$N$G$9$,(B…

marshal_compat_t $B$K4X$o$kA4$F$N=hM}$G$9$,(B,
$B@N$N8_49@-$N$?$a$K$"$k$N$7$g(B
$B$&$+(B? $B;H$C$F$$$k$N$O(B, Range$B$@$1$G$9$7(B
$B$3$N;EAH$$r;H$o$J$/$F$bBeBX$G$-(B,
$B$+$D(B, $B:#$N;EAH$$r;H$&$[$&$,%(%l%,%s%H$J5$$,$7$^$9$,(B?

__
---------------------------------------------------->> $B@PDM(B $B7=<y(B
<<—
---------------------------------->> e-mail: [email protected] <<—

casper_the_ghost · March 19, 2012, 6:46pm

2012$BG/(B3$B7n(B19$BF|(B5:54 $B@PDM7=<y(B [email protected]:

r13413 $B$G$O(B rb_gc_register_address $B$,4V$KF~$C$F$$$?$N$G!“(B
$B$=$3$G(B GC $B$,5/$-$k$3$H$X$NBP:v$G$9$M!#(B
rb_gc_register_address $BFb$G$O(B ALLOC $B$9$k$N$G(B GC
$B$,5/$-$k2DG=@-$,$”$j!"(B
GC $B$,5/$-$?$H$-$K(B compat->newclass $B$d(B compat->oldclass
$B$K%4%_$,F~$C$F$$$k$H(B
$B$h$m$7$/$J$+$C$?$s$8$c$J$$$G$7$g$&$+!#(B

$B$J$k$[$I(B, $B$=$N>uBV$J$iM}2r$G$-$^$9(B.

$B$H$$$&$3$H$O(B, $B$9$/$J$/$H$b(B, $B:#$OI,MW$J$$$H$$$&;v$GNI$$$s$G$9$h$M(B?

$B$=$&;W$$$^$9!#(B

marshal_compat_t $B$K4X$o$kA4$F$N=hM}$G$9$,(B, $B@N$N8_49@-$N$?$a$K$"$k$N$7$g(B
$B$&$+(B? $B;H$C$F$$$k$N$O(B, Range$B$@$1$G$9$7(B
$B$3$N;EAH$$r;H$o$J$/$F$bBeBX$G$-(B,
$B$+$D(B, $B:#$N;EAH$$r;H$&$[$&$,%(%l%,%s%H$J5$$,$7$^$9$,(B?

$B:#$N;EAH$_$H$$$&$N$,2?$r;X$7$F$$$k$N$+$A$g$C$H$o$+$i$J$$$N$G$9$,!"(B
Range $B$r(B T_OBJECT $B$KLa$;$PLdBj$J$$$H;W$$$^$9!#(B

casper_the_ghost · March 18, 2012, 12:09am

$B$1$$$8$e!w$$$7$D$+$G$9(B.

In [ruby-dev:45376] the message: “[ruby-dev:45376] Re:
Marshal.dump$B$K(B
$B$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”, on Mar/17 10:27(JST)
Yukihiro M. writes:

$B$^$D$b$H(B $B$f$-$R$m$G$9(B

Class$B$H(BModule$B$O!V@hJ}$NF1L>$b$N$r;H$&!W$N$G!"<j85$G%$%s%9%?%s(B
$B%9JQ?t$,$"$m$&$HL5;k$7$^$9!#$$$:$l$K$7$F$b$3$A$i$NDj5A$r;}$C(B
$B$F$$$/$3$H$O$G$-$J$$$N$G!#(B

$B$=$l$O$=$&$G$9$M(B.
$BF1L>$N%$%s%9%?%s%9JQ?t$,@hJ}$K$"$C$?>l9g$J$s$+$b$I$&(B
$B$9$k$+G:$_$^$9$7$M(B.

nil, true, symbol, fixnum$B$O(Bimmediate$B$J$N$G%$%s%9%?%s%9JQ?t$r(B
$B;}$AJb$-$?$/$J$$(B($B%$%s%9%?%s%9JQ?t$rDI2C$7$A$c$&$H!"%0%m!<%P%k(B
$B$K1F6A$rM?$($F$7$^$&(B)$B$H$$$&$N$,$=$NM}M3$G$9!#(BClass$B$d(BModule$B$H(B
$B0c$C$F!"$=$&$G$"$C$F$O$$$1$J$$$H$$$&$o$1$G$O$J$$$N$G$9$,!“F3(B
$BF~$K$O?5=E$G$”$j$?$$$G$9!#(B

$B>e5-$N$h$&$JLdBj$b$"$j$^$9$N$G(B, $B$d$O$j(B,
$B%3%T!<$7$J$$J}$,L5Fq$J$-$,$7$^(B
$B$7$?(B.

$B$"$H!"$`$7$m(BNumeric$B$N%5%V%/%i%9$G$"$k(BBignum$B$H(BFloat$B$G%$%s%9%?%s%9JQ?t(B
$B$rL5;k$9$k$h$&$K$7$?$$$/$i$$$G$9$M!#(B

$B;d$b8e<T$@$m$&$H;W$C$?$N$G$9$,(B,
Bignum$B$H$+(BFloat$B$G$b%$%s%9%?%s%9JQ?t$r(B
$B;}$D<BAu$d%5%V%/%i%9$,$"$C$F$b$*$+$7$/$O$J$$$N$G(B,
$B$d$O$j8=9T$,L5Fq$J5$(B
$B$,$7$F$-$^$7$?(B.

$B$H$3$m$G(B, $B$9$4!<$/:Y$+$$OC$J$N$G$9$,(B,

rb_marshal_define_compat() $B$G(B

:
compat = ALLOC(marshal_compat_t);
compat->newclass = Qnil;
compat->oldclass = Qnil;
compat->newclass = newclass;
compat->oldclass = oldclass;
:

$B$H0lEY(BQnil$B$rBeF~$7$F$$$k$N$G$9$,(B, $B$3$l$O$J$<$G$7$g$&$+(B?

__
---------------------------------------------------->> $B@PDM(B $B7=<y(B
<<—
---------------------------------->> e-mail: [email protected] <<—

casper_the_ghost · March 20, 2012, 2:51am

$B$1$$$8$e!w$$$7$D$+$G$9(B.

In [ruby-dev:45401] the message: “[ruby-dev:45401] Re:
Marshal.dump$B$K(B
$B$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”, on Mar/19 09:44(JST)
Tanaka
Akira writes:

$B$H$$$&$3$H$O(B, $B$9$/$J$/$H$b(B, $B:#$OI,MW$J$$$H$$$&;v$GNI$$$s$G$9$h$M(B?
$B$=$&;W$$$^$9!#(B

$BN;2r$G$9(B.

marshal_compat_t $B$K4X$o$kA4$F$N=hM}$G$9$,(B, $B@N$N8_49@-$N$?$a$K$"$k$N$7$g(B
$B$&$+(B? $B;H$C$F$$$k$N$O(B, Range$B$@$1$G$9$7(B
$B$3$N;EAH$_$r;H$o$J$/$F$bBeBX$G$-(B,

$B$+$D(B, $B:#$N;EAH$_$r;H$&$[$&$,%(%l%,%s%H$J5$$,$7$^$9$,(B?

$B:#$N;EAH$_$H$$$&$N$,2?$r;X$7$F$$$k$N$+$A$g$C$H$o$+$i$J$$$N$G$9$,!"(B
Range $B$r(B T_OBJECT $B$KLa$;$PLdBj$J$$$H;W$$$^$9!#(B

$B8@MUB-$i$:$G$9$$$^$;$s(B.
Range#marshal_dump/load $B$H$+(B
Range#_dump_data/_dump_load$B$rDj5A$9$l$PNI(B
$B$$$N$G$O(B? $B$H$$$&0UL#$G$7$?(B.

$B$5$i$K(B, $B$b$&$R$H$D<ALd(B:
w_object$B$G(B

:
else if (FIXNUM_P(obj)) {

#if SIZEOF_LONG <= 4
w_byte(TYPE_FIXNUM, arg);
w_long(FIX2INT(obj), arg);
#else
if (RSHIFT((long)obj, 31) == 0 || RSHIFT((long)obj, 31) == -1) {
w_byte(TYPE_FIXNUM, arg);
w_long(FIX2LONG(obj), arg);
}
else {
w_object(rb_int2big(FIX2LONG(obj)), arg, limit);
}
#endif
}
:

$B$H$"$k$N$G$9$,(B,
$B%5%$%:$G=hM}$rJ,$1$J$/$F(B($BA0H>ItJ,$@$1(B)$B$bF0:n$9$k5$$,$9(B
$B$k$N$G$9$,(B(w_long$B$N(B#ifdef$BFb$b:o=|(B)?

__
---------------------------------------------------->> $B@PDM(B $B7=<y(B
<<—
---------------------------------->> e-mail: [email protected] <<—

casper_the_ghost · March 19, 2012, 10:21pm

$B$^$D$b$H(B $B$f$-$R$m$G$9(B

In message “Re: [ruby-dev:45399] Re:
Marshal.dump$B$K$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”
on Mon, 19 Mar 2012 05:54:02 +0900, [email protected]
($B@PDM7=<y(B) writes:

|>$B$?$@!"(BT_OBJECT$B$G$J$$(BFloat$B$d(BBignum$B$O$d$C$Q$jL5;k$7$F$b$$$$$h$&$J5$$,$7(B
|>$B$^$9!#(B
|
|$B$=$&$G$9$M$’(B. $B$=$l$i$N(B,
(C$B%l%Y%k(B)$B%5%V%/%i%9$G$O%$%s%9%?%s%9JQ?t$ODj5A(B
|$B$9$k$J(B,
$B$b$7$/$O$=$l$J$j$N(Bmashal$B%a%=%C%IDj5A$7$m$C$F5,Dj$9$k$N$O$"$j$+(B
|$B$b(B.

redmine$B$KEPO?$7$F$_$^$7$g$&$+!#(B

casper_the_ghost · March 20, 2012, 3:03am

$B$1$$$8$e!w$$$7$D$+$G$9(B.

In [ruby-dev:45403] the message: “[ruby-dev:45403] Re:
Marshal.dump$B$K(B
$B$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”, on Mar/19 13:16(JST)
Yukihiro M. writes:

$B$^$D$b$H(B $B$f$-$R$m$G$9(B

redmine$B$KEPO?$7$F$_$^$7$g$&$+!#(B

$B$*$^$+$;$7$^$9(B.

__
---------------------------------------------------->> $B@PDM(B $B7=<y(B
<<—
---------------------------------->> e-mail: [email protected] <<—

casper_the_ghost · March 20, 2012, 5:17am

$B$1$$$8$e!w$$$7$D$+$G$9(B.

In [ruby-dev:45407] the message: “[ruby-dev:45407] Re:
Marshal.dump$B$K(B
$B$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”, on Mar/19 18:01(JST)
Tanaka
Akira writes:

$B$=$&$7$?>l9g!"0JA0$N(B Ruby $B$K$$1$k(B Range $B%%V%8%’%/%H$N(B marshal
$B%U%)!<%^%C%H$H(B
$B0[$J$k$b$N$K$J$C$?$j$O$7$J$$$G$7$g$&$+!#(B

$B0[$J$C$F$-$^$9(B.

$B$G$9$N$G(B, ``marshal_compat_t $B$K4X$o$kA4$F$N=hM}$G$9$,(B,
$B@N$N8_49@-$N$?(B
$B$a$K$"$k$N$7$g$&$+(B?’’ $B$H$*J9$-$7$?$+$C$?$N$G$9(B. $B$$$^$O(B,
marshal_dump/load $B$H$+(B dump_data/dump_load $B$N;EAH$$,$"$k$N$G(B,
Range
$B0J30$N%/%i%9$G$o$6$o$6(Bmarshal_compat_t$B$N;EAH$$r;H$&I,MW$O$J$$$o$1$G$9(B
$B$h$M(B?

$B$?$H$($P!"$=$N$h$&$K$7$?(B Ruby $B$G(B marshal $B$7$?(B Range
$B%*%V%8%’%/%H$r(B
$B0JA0$N(B Ruby $B$G(B unmarshal $B$9$k$3$H$O2DG=$G$7$g$&$+!#(B

Marshal$B$C$F$=$3$^$GMW5a$5$l$F$$$k$s$G$7$?$C$1(B?

$B$=$&$7$?>l9g!"(B32bit $B4D6-$H(B 64bit $B4D6-$N(B Ruby $B$G(B marshal
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$B0[$J$k$b$N$K$J$C$?$j$O$7$J$$$G$7$g$&$+!#(B
$B$?$H$($P!"$=$N$h$&$K$7$?(B 64bit Ruby $B$G(B marshal $B$7$?(B 2**48 $B$r(B
32bit Ruby $B$G(B unmarshal $B$9$k$3$H$O2DG=$G$7$g$&$+!#(B

$B$*!<(B. $B$J$k$[$I(B, $B$=$3$^$G;W$$$D$-$^$;$s$G$7$?(B.

marshal$B%U%)!<%^%C%HE*$K$O8_49@-$,$"$k$H;W$$$^$9$,(B, 32bit ruby
$B$G$O(B,
r_object$B$G(BTYPE_FIXNUM$B$G$b(Bfixnum$B$K$J$k$H$O8B$i$:(B
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r_object$BB&$G$=$l$J$j$N=hM}$r$7$J$/$F$O$$$1$J$/$J$C$F$7(B
$B$^$$$^$9$M(B.

__
---------------------------------------------------->> $B@PDM(B $B7=<y(B
<<—
---------------------------------->> e-mail: [email protected] <<—

casper_the_ghost · March 20, 2012, 6:29am

2012$BG/(B3$B7n(B19$BF|(B20:14 $B@PDM7=<y(B [email protected]:

$B$G$9$N$G(B, ``marshal_compat_t $B$K4X$o$kA4$F$N=hM}$G$9$,(B,
$B@N$N8_49@-$N$?(B
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marshal_dump/load $B$H$+(B dump_data/dump_load $B$N;EAH$$,$"$k$N$G(B, Range
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$B$h$M(B?

$B8_49@-$,M}M3$J$N$O$=$N$H$*$j$G$9!#(B

Ruby 1.8 $B$H(B Ruby 1.9 $B$N4V$G(B marshal
$B$7$?%G!<%?$r$d$j$H$j$7$?$$$H$$$C$?(B
$BM}M3$,!V@N$N!W$H$$$$$-$C$F$7$^$C$F$$$$$N$+$I$&$+$O$h$/$o$+$j$^$;$s!#(B

$B$?$H$($P!"$=$N$h$&$K$7$?(B Ruby $B$G(B marshal $B$7$?(B Range
$B%*%V%8%'%/%H$r(B
$B0JA0$N(B Ruby $B$G(B unmarshal $B$9$k$3$H$O2DG=$G$7$g$&$+!#(B

Marshal$B$C$F$=$3$^$GMW5a$5$l$F$$$k$s$G$7$?$C$1(B?

$BMW5a$5$l$F$$$k$h$&$K46$8$F$$$^$9!#(B

$B$J$*!“(BRange $B$r(B T_OBJECT $B$KLa$9$N$O$”$j$&$k$H;W$C$F$$$^$9!#(B

casper_the_ghost · March 20, 2012, 3:05am

2012$BG/(B3$B7n(B19$BF|(B17:49 $B@PDM7=<y(B [email protected]:

$B8@MUB-$i$:$G$9$$$^$;$s(B.
Range#marshal_dump/load $B$H$+(B Range#_dump_data/_dump_load$B$rDj5A$9$l$PNI(B
$B$$$N$G$O(B? $B$H$$$&0UL#$G$7$?(B.

$B$=$&$7$?>l9g!“0JA0$N(B Ruby $B$K$$1$k(B Range $B%%V%8%'%/%H$N(B
marshal $B%U%)!<%^%C%H$H(B
$B0[$J$k$b$N$K$J$C$?$j$O$7$J$$$G$7$g$&$+!#(B
$B$?$H$($P!”$=$N$h$&$K$7$?(B Ruby $B$G(B marshal $B$7$?(B Range
$B%*%V%8%'%/%H$r(B
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       w_byte(TYPE_FIXNUM, arg);
$B$k$N$G$9$,(B(w_long$B$N(B#ifdef$BFb$b:o=|(B)?
$B$=$&$7$?>l9g!“(B32bit $B4D6-$H(B 64bit $B4D6-$N(B Ruby $B$G(B marshal
$B%U%)!<%^%C%H$,(B
$B0[$J$k$b$N$K$J$C$?$j$O$7$J$$$G$7$g$&$+!#(B
$B$?$H$($P!”$=$N$h$&$K$7$?(B 64bit Ruby $B$G(B marshal $B$7$?(B 2**48
$B$r(B
32bit Ruby $B$G(B unmarshal $B$9$k$3$H$O2DG=$G$7$g$&$+!#(B

casper_the_ghost · March 20, 2012, 8:27am

$B$1$$$8$e!w$$$7$D$+$G$9(B.

In [ruby-dev:45409] the message: “[ruby-dev:45409] Re:
Marshal.dump$B$K(B
$B$*$1$k%$%s%9%?%s%9JQ?t$N<h$j07$$$K$D$$$F(B”, on Mar/19 21:25(JST)
Tanaka
Akira writes:

marshal_dump/load $B$H$+(B dump_data/dump_load $B$N;EAH$$,$"$k$N$G(B, Range
$B0J30$N%/%i%9$G$o$6$o$6(Bmarshal_compat_t$B$N;EAH$$r;H$&I,MW$O$J$$$o$1$G$9(B
$B$h$M(B?

$B8_49@-$,M}M3$J$N$O$=$N$H$*$j$G$9!#(B

$BN;2r$7$^$7$?$G$9(B.

Ruby 1.8 $B$H(B Ruby 1.9 $B$N4V$G(B marshal
$B$7$?%G!<%?$r$d$j$H$j$7$?$$$H$$$C$?(B
$BM}M3$,!V@N$N!W$H$$$$$-$C$F$7$^$C$F$$$$$N$+$I$&$+$O$h$/$o$+$j$^$;$s!#(B

$B$=$l$O(B, $B$=$l$O$=$l$[$I@N$G$O$J$$$G$9$7(B, $B$3$^$k;v$K$J$j$=$&(B.

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1.9$B7OF1(B
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$B$"$C$?5$$,$9$k$s$G$9$1$I(B…

Marshal$B$C$F$=$3$^$GMW5a$5$l$F$$$k$s$G$7$?$C$1(B?
$BMW5a$5$l$F$$$k$h$&$K46$8$F$$$^$9!#(B

1.8$B7O$G$O8_49@-$J$$$H$$$d$+$b$7$l$J$$$G$9$M(B.

$B$J$*!"(BRange $B$r(B T_OBJECT $B$KLa$9$N$O$"$j$&$k$H;W$C$F$$$^$9!#(B

$B$$$d(B. $BJL$K(B, $B$I$&$7$FM_$7$$$C$FOC$G$O$J$/(B,
$B$I$&$7$F$3$&$J$C$F$$$k$N$+CN(B
$B$j$?$+$C$?$@$1$G$9$N$G(B.

$B$$$m$$$m$H65$($F$/$@$5$j$"$j$,$H$&$4$6$$$^$7$?(B.

__
---------------------------------------------------->> $B@PDM(B $B7=<y(B
<<—
---------------------------------->> e-mail: [email protected] <<—