[antlr-interest] Re: ACE C preprocessor by Gosling

[Terence Parr]

On Wednesday, May 29, 2002, at 11:44  AM, jsrs701 wrote:

> --- In antlr-interest at y..., "clinton_olsen" <clinton_olsen at y...>
> wrote:
>> I'd like to qualify this with the fact that _any_ parser is
>> typically not suited to to do a pre-processor.  This needs to be
>> done in the lexer for the reasons stated by Greg.
>
> Well, that does depend on what kind of preprocessor you're doing.
>
> One of these days, I'm gonna take a crack at rebuilding James
> Gosling's ACE preprocessor using ANTLR.  ACE is not a character-
> stream preprocessor (the way the original cpp is), but a syntax tree
> preprocessor.  (You can get more info on it at his homepage,
> http://java.sun.com/people/jag/ .  I HIGHLY recommend EVERYONE on
> this list read the paper; it is HIGHLY relevant to ANTLR.  After
> seeing this, you'll want all of your preprocessors to operate on
> syntax trees instead of character streams!)

Heh, that's pretty slick.  Reminds me of some stuff I'm thinking about 
for the "emitter" stage of translation.

Ter
--
Co-founder, http://www.jguru.com
Creator, ANTLR Parser Generator: http://www.antlr.org


 

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