[antlr-interest] Tree Parser and removing nodes.

[Monty Zukowski]

a: #(A (B | c));
c: #(C! (B)*);

Monty

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

On Aug 12, 2004, at 6:45 PM, ooobles wrote:

>
> I have a tree parser which I'd like to automatically create basically
> the same output tree with a few modifications. One of the changes is
> to move a list of child AST's into a parent list.
>
> eg. I have token A:(B|C)*; and C:(B)*;
>
> A
>   B
>   C
>     B
>     B
>   B
>
> I'd like to remove occurances of C and leave
>
> A
>   B
>   B
>   B
>   B
>
> with the children of B moved up to become children of A.
>
> I'm assuming this has a simple answer that I'm not seeing?
>
>
>
>
> Yahoo! Groups Links
>
>
>
>
>
>
>



 
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