[antlr-interest] Tree pattern matching in C target

[Jim Idle]

Tree parsers work fine in C - download the examples in the download section
of the web site. However, I think that you mean tree filters, which are not
implemented.

Jim

> -----Original Message-----
> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> bounces at antlr.org] On Behalf Of Piotr Kaleta
> Sent: Monday, October 04, 2010 8:16 AM
> To: antlr-interest at antlr.org
> Subject: Re: [antlr-interest] Tree pattern matching in C target
> 
>  What I meant is simple tree parsers which are able to recognize when
> traversing the tree downwards or upwards, based on special tokens DOWN
> and UP. The examples present both on the website and in "Definite ANTLR
> Reference" (the DefRef.g grammar) shows only the Java parsers with the
> downup() function. It seems however that this function is not present in
the
> generated C source of the parser.
> 
> Regards,
> Piotr Kaleta
> 
> On 10/04/2010 04:51 PM, Jim Idle wrote:
> > Hang on - do you mean just straight forward tree parsers? That all
> > works, so you grammar must be incorrect. It is the pattern searching
> > stuff that is not implemeneted.
> >
> > jim
> >
> >> -----Original Message-----
> >> From: antlr-interest-bounces at antlr.org [mailto:antlr-interest-
> >> bounces at antlr.org] On Behalf Of Alan Lehotsky
> >> Sent: Sunday, October 03, 2010 12:39 PM
> >> To: antlr-interest at antlr.org
> >> Subject: Re: [antlr-interest] Tree pattern matching in C target
> >>
> >>
> >> I'm using the C target and had attempted to use the up/down matching
> code
> >> and couldn't make it work.   Since I was still in the prototyping
stage, I
> > didn't
> >> spend much time trying to figure out why it didn't work. Never
> >> thought of the possibility that it hadn't been implemented.
> >>
> >> It would be a good thing to at least document the absence of this
model.
> >>
> >>
> >>> From: "Jim Idle" <jimi at temporal-wave.com>
> >>> Date: October 3, 2010 12:34:19 PM EDT
> >>> To: <antlr-interest at antlr.org>
> >>> Subject: Re: [antlr-interest] Tree pattern matching in C target
> >>>
> >>>
> >>> No - I have had zero demand for it to be honest.
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> 
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