From: Lothar Scholz <llothar@...>
Date: 2002-06-25T07:32:14+09:00
Subject: Re: Embedded Ruby?

On Mon, 24 Jun 2002 15:08:36 GMT, Ned Konz <ned@bike-nomad.com> wrote:

>On Monday 24 June 2002 05:51 am, Steve Merrick wrote:
>> I start a new job shortly, and I have to maintain an 8051-based
>> assembly-language program. I have already been told that one of my
>> first tasks will be to consider migrating it to a new language, to
>> ease the difficulty of finding people to maintain it. Being
>> 8051-based, resources are at a premium. It occurs to me that
>> embedding Ruby is one possible option. Is there any information
>> available on how to do this? Does one just build the source code
>> (in C), and bundle a Ruby script in with it? Any hints gratefully
>> accepted.
>
>Ruby is a heavy user of RAM. It's unlikely that it would be a good 
>choice for your system. It's also not small itself:
>
>$ size -t /usr/local/lib/libruby.so.1.6 /lib/i686/libc.so.6 
>/lib/i686/libm.so.6
>   text    data     bss     dec     hex filename
> 592269    7572   56788  656629   a04f5 /usr/local/lib/libruby.so.1.6
>1226837   19296   16832 1262965  134575 /lib/i686/libc.so.6
> 133386     452      84  133922   20b22 /lib/i686/libm.so.6
>1952492   27320   73704 2053516  1f558c (TOTALS)
>
>Though I hate to say it, your best bet is probably to use C. There is 
>the SDCC compiler (http://sdcc.sourceforge.net/) which is free and 
>targets the 8051, and there are commercial compilers as well.

Try to use eiffel. Small footprint, easy to program and learn and very
good for writing reliable programs.