Re: Has anyone hand-written a scanner/parser module?

"Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Sun, 16 Nov 2008 10:20:08 +0100

          From comp.compilers
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From: "Dmitry A. Kazakov" <mailbox@dmitry-kazakov.de>
Newsgroups: comp.compilers
Date: Sun, 16 Nov 2008 10:20:08 +0100
Organization: cbb software GmbH
References: 08-11-061
Keywords: lex, parse, practice
Posted-Date: 16 Nov 2008 17:52:15 EST

On Sat, 15 Nov 2008 09:49:38 -0800 (PST), tuxisthebirdforme@gmail.com
wrote:


> I know most people anymore use lex/yacc or some derivative of these
> tools to create scanner/parser modules for their compiler projects. I
> was wondering if anyone has developed a scanner or parser that they
> personally hand-wrote?


I did, a table-driven parser.


> If so, I would like to know what language you
> used and what type of grammar you parsed.


Do you mean the language in which the parser was written, or the
language[s] being parsed?


Anyway, it is not based on any grammar. Of course, one could try to figure
out a more or less exact class of grammars it can handle. But I am too lazy
to do it.


> If you feel divulgent,
> please tell me a little bit about you're implementation or what you
> did for intermediate representation. I'm curious and just a bit nosy
> and would like to know how you're experience went doing things this
> way.


The source is free:


http://www.dmitry-kazakov.de/ada/components.htm#Parsers_etc


--
Regards,
Dmitry A. Kazakov
http://www.dmitry-kazakov.de


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