[m-rev.] lex and moose changed

Fergus Henderson fjh at cs.mu.OZ.AU
Thu Aug 2 14:29:22 AEST 2001


On 02-Aug-2001, Michael Day <mikeday at bigpond.net.au> wrote:
> 
> > As a suggested application, here's a token type I'd like to have produced by
> > the lexer:
> >
> > 	:- type token --->
> > 		plus ; minus ; times ; divide ; int(int) ; ident(string).
> >
> > Hopefully this is simple enough to be easy to code, and complex enough to
> > illustrate the differences between the approaches.
> 
> What do people think about scanning using predicates and backtracking?

I like that approach.

-- 
Fergus Henderson <fjh at cs.mu.oz.au>  |  "I have always known that the pursuit
The University of Melbourne         |  of excellence is a lethal habit"
WWW: <http://www.cs.mu.oz.au/~fjh>  |     -- the last words of T. S. Garp.
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