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Old 04-06-12, 07:58 PM   #1
Ketho
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Lua 5.1 or 5.2?

I know /run, /script and addons are not yet available for use in order to print _VERSION, but does anyone know if Blizzard said anything yet about updating to Lua 5.2?

Lua 5.2 has been released since December 2011, and maybe it would help a lot for addon authors to anticipate on it if Blizzard were to update it in MoP

Last edited by Ketho : 04-06-12 at 08:18 PM.
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Old 04-06-12, 09:40 PM   #2
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/dump _VERSION prints out "Lua 5.1"

They were probably too far into MoP development to change it by the time it was released.
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Old 06-05-12, 10:20 PM   #3
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How much would 5.2 affect how blizzards own UI functions?

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Old 06-06-12, 12:00 PM   #4
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To mention what would be most impacted would be the SecureHandler system as it relies entirely on being able to create independent secure environments.

http://www.lua.org/manual/5.2/manual.html#8

8.1 – Changes in the Language
  • The concept of environment changed. Only Lua functions have environments. To set the environment of a Lua function, use the variable _ENV or the function load.

    C functions no longer have environments. Use an upvalue with a shared table if you need to keep shared state among several C functions. (You may use luaL_setfuncs to open a C library with all functions sharing a common upvalue.)

    To manipulate the "environment" of a userdata (which is now called user value), use the new functions lua_getuservalue and lua_setuservalue.



8.2 – Changes in the Libraries
  • Functions setfenv and getfenv were removed, because of the changes in environments.
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Old 06-06-12, 07:44 PM   #5
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Mists of Pandaria will be running lua 5.1.

Currently there are no plans to move WoW's lua engine to 5.2.
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Old 06-06-12, 08:12 PM   #6
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Thanks for the confirmation, TSquared.
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Old 06-15-12, 10:00 PM   #7
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Not to be too offtopic but who is TSquared? I mean, other than knowing he's a blizzard employee.
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Old 06-15-12, 11:30 PM   #8
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Maybe Blizzard employees could get bold blue names, the way moderators get bold orange names?
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Old 06-16-12, 05:45 PM   #9
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They might want to stay somewhat anonymous, to avoid PM spam and whatnot.
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Old 06-16-12, 06:14 PM   #10
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TSquared already has private messages turned off to avoid such nonsense.
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