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From: Nick <3-nos...@temporary-address.org.uk>
Newsgroups: comp.lang.forth,comp.lang.lisp,comp.lang.c,comp.lang.scheme,comp.lang.postscript
Subject: Re: why forth over lisp?
Date: Fri, 27 Aug 2010 16:57:22 +0100
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George Neuner <gneun...@comcast.net> writes:

> On Mon, 23 Aug 2010 21:19:18 +0100, Nick
> <3-nos...@temporary-address.org.uk> wrote:
>
>>George Neuner <gneun...@comcast.net> writes:
>>
>>> Lua 5 still is basically a stack machine - it's a variant of what's
>>> generally called a "deep access" stack, in which the machine can
>>> access "deep" stack elements directly.  Lua's variation does away with
>>> push/pop/etc. top-of-stack instructions.
>>
>>I find it hard to attach the term "stack" to something that doesn't have
>>"push/pop/etc". That is, to me, what makes it a stack rather than some
>>other sort of data structure.
>
> Well, its a stack of activation records rather than a stack of
> individual elements.

I've got absolutely no problem with that - but I'd say you push and pop
activation records on and off the stack.

I often push records onto stacks in C - linked lists of structures.
It's still a stack and it's still pushing and popping to me.
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