ruby-dev

At Thu, 1 Mar 2007 00:57:53 +0900,
Hidetoshi NAGAI wrote:
> From: "Nobuyoshi Nakada" <nobu@ruby-lang.org>
> Subject: [ruby-dev:30437] Re: fail to autoload at $SAFE==4
> Date: Tue, 27 Feb 2007 15:02:33 +0900
> Message-ID: <cebd6fd10702262202j5380614dyd3074a0853993c44@mail.gmail.com>
> > 今気づきましたが、動的にスクリプトを$LOAD_PATHに作るという可能性
> > を考えるなら、ロード済みの.soの有無をロード中の.rbの有無よりも優
> > 先させてはまずいので、最後のif文はこうですね。
> >
> >     if (rb_feature_p(feature, feature + strlen(feature), Qtrue))
>
> すみません．きちんとチェックしていませんでした．
> この if 文の形で commit されてしまいましたが，
> これだと更にまずいみたいで，
> -----------------------------------------------------------------------
> ruby -r tk -e 'TkButton.new'
> /usr/local/lib/ruby/1.8/tk/label.rb:6: uninitialized constant TkLabel
> (NameError)
>         from /usr/local/lib/ruby/1.8/tk/button.rb:5:in `require'
>         from /usr/local/lib/ruby/1.8/tk/button.rb:5
>         from -e:1
> -----------------------------------------------------------------------
> なんてことになってしまいます．
>
> TkButton に対する autoload で tk/button.rb を load した際に
> "require 'tk/label'" が実行され，tk/label.rb の上の
> "class TkLabel<TkWindow" で NameError 発生，という流れです．
>
> 上記の if 文の部分が "if (rb_feature_p(feature, 0, Qfalse) == 'r')"
> であれば，このようにはなりません．

　この件はどうしましょうか。

--
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"Different eyes see different things,
    Different hearts beat on different strings --
       But there are times for you and me when all such things agree"

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[ruby-dev:30468] Re: fail to autoload at $SAFE==4

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