Lee Jones wrote:
Hi,
Does anyone know of a version of Lua for freedos? Unfortunatly I've
only found a binary for version 4, I am looking for a binary for the
newer version 5.1.1. If there is no binary can lua be compiled in
freedos? Thanks
I don't know about a DOS binary for 5.1.1 (I don't use Lua) but I did
find this news item from 2001 on our web site, which is probably what
you are referring to:
LUA for DOS
Aug 15 2001 by jhall
Ken Yap has patched the Lua script language to compile using BC31 on
DOS. I have posted his patch at ibiblio. Here is Ken's announcement:
This contains patch and bat files to compile LUA with Borland C 3.1
under DOS. To use: Get the LUA distribution from www.lua.org. Unpack
it. You will find a directory called lua. Unpack [the patch] in this
directory. It will create this file, a patch file and 4 bat files.
Patch the source either with the Unix patch program or by hand, it's
just a one line change. Go to each of the directories in turn and run
the bat files. The executables are lua.exe (interpreter) and luac.exe
(compiler).
And what is Lua? From the web site: Lua is a powerful, light-weight
programming language designed for extending applications. Lua is also
frequently used as a general-purpose, stand-alone language. Lua is
free software.
Lua combines simple procedural syntax with powerful data description
constructs based on associative arrays and extensible semantics. Lua
is dynamically typed, interpreted from bytecodes, and has automatic
memory management with garbage collection, making it ideal for
configuration, scripting, and rapid prototyping.
A fundamental concept in the design of Lua is to provide
meta-mechanisms for implementing features, instead of providing a host
of features directly in the language. For example, although Lua is not
a pure object-oriented language, it does provide meta-mechanisms for
implementing classes and inheritance. Lua's meta-mechanisms bring an
economy of concepts and keep the language small, while allowing the
semantics to be extended in unconventional ways. Extensible semantics
is a distinguishing feature of Lua.
Lua is a language engine that you can embed into your application.
This means that, besides syntax and semantics, Lua has an API that
allows the application to exchange data with Lua programs and also to
extend Lua with C functions. In this sense, Lua can be regarded as a
language framework for building domain-specific languages.
And the download pointed to:
http://www.ibiblio.org/pub/micro/pc-stuff/freedos/files/util/system/lua/
This included a patch to the then-current version of Lua to compile on
DOS. Not sure what chose changes entailed, but you might have a look at
those patches and see if you can apply them to Lua 5.1.1. I don't know
of another place to find a DOS binary of Lua.
-jh
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