Re: Conditional Assembly (Pre-Compilers)

From: Jim Carlock (anonymous_at_127.0.0.1)
Date: 08/31/04 

Date: Tue, 31 Aug 2004 13:25:43 GMT

<Beth wrote>
Basically, just to "supplement" Randy's post, here's a few
simple practical ideas for the use of "conditional assembly"
to demonstrate _why_ a programmer might want to make use of
such a thing in a direct, practical context...
<snip>...</snip>
</Beth wrote>

And I am adding something that seems to have been missed in
the discussion.

"Conditional compilation" occurs in what is defined as a
precompiler. The precompiler parses through the #defines
and #const and changes them to values as appropriate. The
discussion of "conditional compilation" should make a
distinction between a compiler and a precompiler and the
topic of a precompiler should not be left out.

A precompiler consists of a separate program which parses
source code prior to the actual compilation of the source
code. It is usually a separate program. Most precompilers
seem to be separate files (or at least some sort of library).

Just throwing in 1 cent that was not mentioned.

Hope that helps. 

-- 
Jim Carlock
http://www.microcosmotalk.com/
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