[antlr-interest] ANTLR 3.0 question about common actions

Monty Zukowski monty at codetransform.com
Wed Jul 28 14:00:11 PDT 2004

On Jul 28, 2004, at 1:19 PM, Terence Parr wrote:

> There are two problems with the existing ANTLR regarding
> actions/targets.  A grammar built for one language has to be manually
> updated to work for another output target.  In other words, tree
> construction for C++ won't work with C# or Java as a back-end.  You
> have to update it if you have any actions other than the ^ and ! AST
> operators in your grammar.

Hmm, meta-syntactic macros?  Allow the grammar to have a section of 
templates (or macros) applied to actions.  Just retarget the macros, 
could be in a separate file.


ANTLR & Java Consultant -- http://www.codetransform.com
ANSI C/GCC transformation toolkit -- 
Embrace the Decay -- http://www.codetransform.com/EmbraceDecay.html

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