Re: What's the spec for emacs lisp virtual machine ?

[Barry Margolin <barmar@alum.mit.edu>]

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In article 
<80cc90dc-d66b-4d93-9ff9-dccacec01770@c10g2000yqi.googlegroups.com>,
 Fren Zeee <frenzeee@gmail.com> wrote:

> On Jul 29, 8:51 pm, mdj <mdj....@gmail.com> wrote:
> > Thirdly, it is relatively straightforward to implement a portable
> > bytecode interpreter in C that will then compile on any architecture
> > for which one has a C compiler. This is a great deal less work than
> > developing a 'to-machine-code' compiler for every architecture out
> > there.
> 
> Why is it less than porting the C compiler ? How would it be written ?
> assembler ?

It isn't less, it's very similar.  But since someone has already done 
the C compiler, you don't need to do it at all.  You can simply write a 
byte-code interpreter once, and it will run on all the machines that 
have C compilers.

-- 
Barry Margolin, barmar@alum.mit.edu
Arlington, MA
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