Re: Interpreter in PL/1 (J.R. Ferguson)
15 Dec 1996 16:19:36 -0500

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Interpreter in PL/1 (sven) (1996-12-03)
Re: Interpreter in PL/1 (1996-12-15)
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From: (J.R. Ferguson)
Newsgroups: comp.compilers
Date: 15 Dec 1996 16:19:36 -0500
Organization: XS4ALL, networking for the masses
References: 96-12-039
Keywords: PL/I, interpreter

sven <> wrote:

>I am writing an interpreter in PL/1
>I am writing an expression evaluator to process some number crunching
>without having to recompile the whole program back again.
>ex: Put 1+1 into the interpreter, and 2 comes out...
>Does anybody have some more examples of source coding in C, (PL/1??),
>pascal or other non object oriented language of an implementation of an
>interpreter with type checing and flow control?


I may have something for you.

I wrote a real number expression evaluator in C and Pascal. You can
download them from my website (see below). From my home page, click
'Freeware' and then jump to 'Programmers Tools'.

Look for the C-library: JRFC01.ZIP or Pascal library: JRFPAS02.ZIP.
UnZip the file and then look for EVLLIB.

All the Best.
Bob Ferguson.

J.R. Ferguson, Amsterdam, The Netherlands

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