Re: Generalized parser without generation

Peter Restall <pete@restall.net>
4 Feb 2004 21:45:41 -0500

          From comp.compilers

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From: Peter Restall <pete@restall.net>
Newsgroups: comp.compilers
Date: 4 Feb 2004 21:45:41 -0500
Organization: Compilers Central
References: 04-02-031
Keywords: parse
Posted-Date: 04 Feb 2004 21:45:41 EST

> A friend of mine has been given a final year project for which his
> supervisor wants the above; that is, a program which can read in a
> description of a grammar then parse a file using it directly. Users
> must be able to add new grammars at any time without compiling.


Don't know whether it's what you're after, but check out the GOLD
parser (http://www.devincook.com/goldparser/). The grammars need to
be 'compiled' into tables that can then be loaded and used by the
parser, but they are stored as external files. Unfortunately the
source isn't available, but the file-format specs are. I'm working on
something similar myself, but I've only managed the lexer so far...I
guess I'm just lazy and easily distracted :)


Regards,


Pete =:-)




--
// ------------------------------- Peter Restall -
const char *mail = "pete@restall.net";
const char *web = "http://asbestos.restall.net/";


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