Re: Finalizers and Lua.org demo page

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Subject: Re: Finalizers and Lua.org demo page
From: Egor Skriptunoff <egor.skriptunoff@...>
Date: 2017年7月25日 22:18:48 +0300

On Tue, Jul 25, 2017 at 8:37 PM, Mikhail Zajcev wrote:

> Yes, deep copy of whole _G into env is a solution.

> Don't forget to create new metatable for strings and set its
> __index field to env.string to prevent user from accessing original
> "string" library as debug.getmetatable"".__index

demo.lua with sandboxing: http://codepad.org/E87tf77T

1) I still can access one of original tables: getmetatable("")

2) _ENV._G == _ENV, it is a "first-level circular references", so _G will not be available?

Follow-Ups:
- Re: Finalizers and Lua.org demo page, Mikhail Zajcev

References:
- Finalizers and Lua.org demo page, Egor Skriptunoff
- Re: Finalizers and Lua.org demo page, Luiz Henrique de Figueiredo
- Re: Finalizers and Lua.org demo page, Luiz Henrique de Figueiredo
- Re: Finalizers and Lua.org demo page, Luiz Henrique de Figueiredo
- Re: Finalizers and Lua.org demo page, Luiz Henrique de Figueiredo
- Re: Finalizers and Lua.org demo page, Egor Skriptunoff
- Re: Finalizers and Lua.org demo page, Mikhail Zajcev
- Re: Finalizers and Lua.org demo page, Egor Skriptunoff
- Re: Finalizers and Lua.org demo page, Mikhail Zajcev
- Re: Finalizers and Lua.org demo page, Egor Skriptunoff
- Re: Finalizers and Lua.org demo page, Mikhail Zajcev

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