I actually attended a project in university on writing a C compiler (written in Java) and we printed out XML code for debugging, that represented the AST. That was a real benefit cause you can still see the structure of the AST in the XML tree. It is even easy to do that - one tree traversal is enough.

chris

On Tue, 27 Feb 2007 11:11:09 -0500, "Denis Bueno" <dbueno@gmail.com> wrote:
> [Meant to send to the list the first time. Sorry for the dupe.]
> 
> On 2/27/07, Denis Bueno <dbueno@gmail.com> wrote:
>> On 2/27/07, Joel Reymont <joelr1@gmail.com> wrote:
>> > Are you printing out the AST to make sure you can reproduce the
>> > original file you parsed?
> 
> Yes. I wanted to make sure my AST-printing functions would print
> correct source code in the source language. This makes it very easy to
> inspect AST fragments.
> 
> -Denis
> 
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