Re: Lua 4.0 (alpha) available, read patterns

[Jon Kleiser <jon.kleiser@...>]

At 12:02 -0300 on 26-04-00, Luiz Henrique de Figueiredo wrote:

>  >From: Jon Kleiser <jon.kleiser@usit.uio.no>
>
>  >I have now built a PowerMac Lua 4.0 (alpha) application, and that was
>  >really easy. The only warning that CodeWarrior Pro 5 gave me, was
>  >about some possibly superfluous ";" at the end of a simple while
>  >line, which I ignored.
>
> Could you please send us the exact location so that we can se if 
> it's something
> that can be "fixed"?

The message I got was:

   Warning : possible unwanted ';'
   print.c line 175   while (*p++!=OP_END);

It's about print.c in /src/luac, which I later removed from my 
(interpreter) project.


>  >As I tried to run one of my bigger scripts, I got the "error: read
>  >patterns are deprecated" message. My script used read(fileRef,
>  >"....") to read four bytes.
>
> Now you can use read(fileRef,4) to read 4 bytes!

Nice! But I can't find it in the docs ... ;-)


>  >I've found
>  >    #define read_pattern(L, f, p) (lua_error(L, ...
>  >in the file liolib.c, but can somebody please tell me what to do with
>  >this line to enable the old read patterns ...?
>
> You have to #define LUA_COMPAT_READPATTERN to enable the old read patterns.
> It says so in "config", but I guess you're not using "make".
> --lhf

Thanks. I may try that one of these days.

/Jon

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Jon Kleiser / ADB-seksjonen / USIT / University of Oslo / Norway
Mail: Jon.Kleiser@usit.uio.no / Tel: +47-22 85 28 04 / Fax: +47-22 85 29 70
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