Re: C++ enum

[Peter Shook <pshook@...>]

Archibald wrote:
> I want to share my identificators by both program and script. It's easy 
> when I use #define (I simply delete #define part and copy the rest to 
> the script). But how can I do it when I use C++ enum? Is it possible in 
> lua to do it other way than manually giving each identificator it's number?
>
> enum enumItem {  ITEM_SWORD, ITEM_AXE, ITEM_SHIELD };

Try this:

$ lua
Lua 5.0  Copyright (C) 1994-2003 Tecgraf, PUC-Rio
>
>
> function enum(s)
>>   local i = 0
>>   for n in string.gfind(s, '[_%w]+') do
>>     _G[n] = i
>>     i = i + 1
>>   end
>> end
>
> enum'ITEM_SWORD, ITEM_AXE, ITEM_SHIELD'
>
> = ITEM_SWORD, ITEM_AXE, ITEM_SHIELD
0       1       2
>