[antlr-interest] Re: Tree weirdness C++ mode

[Monty Zukowski]

On Apr 29, 2004, at 1:12 PM, lgcraymer wrote:

>> astFactory->addASTChild(currentAST, #[EMPTY]);
>> ##=#(##,#[EMPTY,"empty"]);
>>
>> Does that seem right?  I suspect this might be different from Java.
>
> Java is the same, and it does make sense from the internals.  It gives
> the user optimization control by leaving the construction operators
> fairly dumb.  My construction stuff will help a bit (2.8; I'm still
> waiting for release approval), but we will need to revisit the tree
> construction internals for ANTLR 3 to make use a bit less error-prone.

Thanks!  I'm glad it's just me...

At the very least there should be a language agnostic way to introduce 
new nodes and add them as the last child.

Also the documentation for tree building didn't say much about ASTPair 
or building trees with the factory v. by tree methods.

Monty Zukowski

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



 
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