Subject: [CSG111] Re: CSG111 MP5: Exercise 3 Clarification
From: Therapon Skotiniotis (skotthe@ccs.neu.edu)
Date: Sat Mar 04 2006 - 17:04:19 EST
On Sat, Mar 04, 2006 at 02:45:34PM -0500, Wendy wrote:
> Hi,
>
> I am a little confused about what is being asked in number 3. As interp is
> provided, I'm assuming the main goal here is to add the grammer. But do I
> add to lang, or create a new lang-like file?
Add.
> If I add to lang, I've noticed
> there are a few things missing and few things that will overlap There is no
> addition, multiplication, or division in the language for the assignment,
> but there is a Exercise 4.22 (its assumed to be in the grammer of
> expression). I'm assuming we're ignoring these operatoins as we did last
> time.
Yes, + * etc. are easy to do. You've already done that before. Just work
with -
> as for the overlapping, grammatical elements such as if are already
> defined as an expression. Are we to modify this definition, thus forcing if
> to be a statement and not an expression. Is this correct?
Yes. Make any modifications you need so that at the end your interpreter
will implement the Statement language.
-- Theo
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