RE: Parser implemented in XSL -- stack overflow

Michael-

  You say:

> xsl:apply-templates is a call, just like call-template, and it requires
a new stack frame.

So, the "problem" in my XSL is not that the style makes pushes necessary
that "normally" woudln't be; rather it's that the processing of siblings in
order causes there to be no pops until the end of the document -- thus the
overflow. 

For my purposes this means I'll have to find an alternative approach to
implementing the generated DFST -- which isn't a huge problem in this case.
In the meantime I encourage you (and other XSL compiler designers) to
consider implementing proper tail recursion in your compilers. I believe it
is fairly straightforward, being a syntactic issue rather than one of
determining the semantics of a particular call. (At least it's
straightforward if you're doing recursive descent.)

Thanks for helping me understand the problem.

Regards,
 Bill


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