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>-----Original Message-----
>From: blackbox{([at]})nowhere.xy>Of Martin, Marc
>Sent: Thursday, 12 July 2007 7:47 AM
>To: BlackBox Mailing List
>Subject: [BlackBox] - STDOUT - Niklaus, Niklaus, NIKLAUS!
>
>> How come the name Niklaus (Wirth presumably?) is in the subject? He
>> didn't invent the Component Pascal language.
>
>Well, he was the one who removed READLN and WRITELN from
>Modula-2 and Oberon, which Component Pascal is based.
>
Yes - and for very good reason. Removing IO from the language makes the
compilers more portable / less OS-dependent. By moving IO statements out of
the compiler and into the libraries, porting the language to new platforms
means that the work of implementing IO facilities could be done by
developers without compiler writing skills.
He took the principle one step further with Oberon, and attempted to make
the whole operating platform portable. For the late 1980's that was very
prophetic. Only yesterday I was reading how VMs / virtualisation (e.g.
VMWare, Virtual PC - not necessarily JVM or .NET) are the 'next big thing'.
>Interestingly, the newer Zonnon language brings back READLN
>and WRITELN! I don't know who's using this, though. It
>doesn't appear that the compiler even corresponds to the
>latest definition of the language.
>
I revisit Zonnon every few months - it has a lot of potential but it isn't
'ready yet'. The primary attraction for me over Blackbox or GPCP is its
level of integration into Visual Studio 2005. However, from what I know
about the VS integration facilities, and experience I've had beta-testing
GPCP in VS 2003, I suspect this is a major cause of any implementation
problems experienced by the developers.
>But anyway, I don't see what the big deal is... I've written
>codes in Pascal, Modula-2, Oberon-2, and Component Pascal, and
>the output files get written one way or another! :-)
>
Yes indeed. No offence intended to anyone but the saying 'A poor workman
always blames his tools' comes to mind. I am *currently* actively writing
code in Gardens Point Component Pascal, Delphi 2006, Blackbox Component
Pascal and, yes, Modula-2. The *KEY PRINCIPLE* to code reuse is to
quarantine all of your UI / IO code into one or two separate modules instead
of having all of your modules littered with platform-specific IO statements.
Chris Burrows
CFB Software
http://www.cfbsoftware.com/gpcp
--- BlackBox
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Received on Wed Aug 08 2007 - 02:45:39 UTC