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Re: glr.c cleanup

From: Joel E. Denny
Subject: Re: glr.c cleanup
Date: Thu, 8 Dec 2005 02:58:56 -0500 (EST)

On Thu, 8 Dec 2005, Hans Aberg wrote:

> On 8 Dec 2005, at 02:11, Joel E. Denny wrote:
> > > The "p" might be convenient if both variables are to be used side by side.
> > > However, also consider the multilingual issue: it won't be needed under
> > > C++.
> > 
> > Because it will always be a pointer?  Or because it will always be an
> > object?
> Under C++, I think one should have:
> namespace yy {
>    class stack;
>    ...
> }

This corresponds to yyGLRStack.  yystack is *the* instance, and it's local 
to yyparse().  For any function that needs a pointer to that yystack, 
yystackp is the parameter name.  For C, none of these are in the user 
interface.  Does this make sense?

> > > So in order to keep multilingual similarity, that suggests just naming it
> > > "yystack", without a "p". Names with a "p" added should then be reserved
> > > for C implementation variables, but not in the interface.
> > 
> > I don't believe yystack is part of the interface.
> Under C++, one would be able to choose stack, with at least two standard
> choices: std::vector, and std::deque.

I see.  I need to study this thing some day.


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