ruby-dev

まつもと ゆきひろです

In message "[ruby-dev:720] Re: 64bit int support (Re: _muldi3 included in libgcc.a)"
    on 97/10/10, "EGUCHI Osamu" <eguchi@shizuokanet.or.jp> writes:

|えぐち です。

|で、その marshal.c:w_object() ですが、

|----
|
|としないと、ruby64 では Fixnum を書き出さないと言う問題があるようです。
|もちろん、まだ発生しない ruby64 が出来たときに露見する未来のバグです。

そうですね．この辺が64bitに対応しかけてそのままになっていた
部分です．ご指摘感謝します．

|また、ruby32 の Fixnum に収まる場合は TYPE_FIXNUM で書き出すべき？

そうすべきでしょうね．それとbignumを読み込んで来てFixnumの範
囲であればFixnumに戻すと言うのも必要でしょうね．

|＃TYPE_INTEGER として Fixnum と Bignum を区別しない方が
|＃互換性問題から開放されたかもしれないですが、しかたないですね。

ううん，そうかも…．
                                まつもと ゆきひろ /:|)

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