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Re: [cdt-dev] query regarding parse actions 

On Nov 30, 2006, at 6:13 AM, Chris Recoskie wrote:


Currently this is not easy to do.  You would have to modify the
implementation of the parser itself, or subclass it (which wouldn't be
terribly pretty either)  in order to do this as things stand now.
We are experimenting with using generated parsers that are generated from a grammar. This would make what you want to do more easily possible. That 
work should start appearing in CDT 4.0.
With the Fortran 2003 parser we at working on, we have a similar requirement. We need to build the AST generation environment so that we can hook it up to different AST generators. What we are thinking of doing is having every action call to an API. This would allow for substitution and subclassing. 

Cheers,
Craig



===========================

Chris Recoskie
Team Lead, IBM CDT Team
IBM Toronto
http://www.eclipse.org/cdt




  From:   "chinmay narayan" <chinu.pandey@xxxxxxxxx>

  To:     cdt-dev@xxxxxxxxxxx

  Date:   30/11/2006 08:06 AM

  Subject [cdt-dev] query regarding parse actions
  :





Hi all,
is it possible to extend the actions that are done while parsing the
language through CDT parser. What i mean is, Parser.parse function
continuosly reads the token and build the AST correspondingly.. i want
to add some other work , is it possible to extend the actions taken by
the Parser? is it possible to do without changing the parser class as
such..? or do i need to implement some base class?

plz guid me..
regards
chinmay
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