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Re: [xsl] saxon:try()

2008-01-04 08:05:57
On 04/01/2008, Colin Paul Adams 
<colin(_at_)colina(_dot_)demon(_dot_)co(_dot_)uk> wrote:
"Andrew" == Andrew Welch 
<andrew(_dot_)j(_dot_)welch(_at_)gmail(_dot_)com> writes:

    Andrew> On 04/01/2008, Colin Paul Adams 
<colin(_at_)colina(_dot_)demon(_dot_)co(_dot_)uk> wrote:
    >> If you DIDN'T access the variable within the transformation at
    >> all, when should the error be raised? Prior to the execution of
    >> the initial template? That would be a bit harsh.

    Andrew> Not sure if it aids the thread, but Saxon will throw an
    Andrew> error for:

    Andrew> <xsl:variable name="foo" as="element()"> <xsl:copy-of
    Andrew> select="//@foo"/> </..

    Andrew> ...using static analysis alone - regardless of whether the
    Andrew> variable is used.

You mean a static error at compile time? I don't suppose Florent
intended ex:error-safe to be able to catch static errors. If he did,
he will be severely disappointed.

I think Florent's well aware of most things - he contributes to Kernow
and his code is much better than mine :)

I was just replying to this:

    >> If you DIDN'T access the variable within the transformation at
   >> all, when should the error be raised? Prior to the execution of
   >> the initial template? That would be a bit harsh.

Mostly the error wouldn't get raised and the transform would complete,
but if it's possible to detect statically then the transform won't
compile (in Saxon anyway).


-- 
Andrew Welch
http://andrewjwelch.com
Kernow: http://kernowforsaxon.sf.net/

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