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[Caml-list] Re: Efficient C++ Interfacing?
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Date: 2004-06-08 (19:13)
From: skaller <skaller@u...>
Subject: Re: [Caml-list] Re: Efficient C++ Interfacing?
On Wed, 2004-06-09 at 01:02, Fritz Wuehler wrote:

> > I want to process data with OCaml
> Oh, I thought Felix wanted to be bootstrapped.

It does, eventually. however, to do that
I would have to write some very complex
code in an unstable language (Felix).
[At the moment, Ocaml is better for writing
compilers in :]

> Since Felix is so C++ friendly it should be
> easy to drop OpenC++ in to help bootstrapping.
> Seems a waste to write a C++ parser in Ocaml
> that has to be rewritten in Felix later.

Sure but you're effectively suggesting to use
OpenC++ and which means building a representation
using C++ code.

> This thing was designed to do what Felix
> does, make (C++)++ languages.  It can also
> for example deal with Qt's non-C++ issues,
> which is just another (C++)++.

Felix isn't a (C++)++ language syntactically:
the syntax is unambiguous LALR(1) .. :)

You are right I suspect I could write the
wrapper generator in C++ instead of Ocaml,
and then leverage OpenC++ to do the
parsing. There are also several other C++ parsers
including part of CERN's ROOT system.

However this complicates the tool chain quite
a lot. The wrapper generator excluding the parser
is only a few hundred lines of code at the moment.
The C parser is a bit bigger, but I didn't write it.

John Skaller,
voice: 061-2-9660-0850, 
snail: PO BOX 401 Glebe NSW 2037 Australia
Checkout the Felix programming language

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