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Re: Is there any XSLT debugger stepping in subexpressi

Subject: Re: Is there any XSLT debugger stepping in subexpressions of a complex XPath expression? (Was: Re: XPath (and other W3C drafts))
From: Dimitre Novatchev <dnovatchev@xxxxxxxxx>
Date: Wed, 16 Dec 2009 12:45:09 -0800
Re:  Is there any XSLT debugger stepping in subexpressi
Thanks a lot, Ken,

I will try this.


On Wed, Dec 16, 2009 at 10:10 AM, G. Ken Holman
<gkholman@xxxxxxxxxxxxxxxxxxxx> wrote:
> At 2009-12-16 09:11 -0800, Dimitre Novatchev wrote:
>> To shift to a what I consider a very important, related topic:
>> It has been many years since I have adopted writing complete programs
>> as one XPath expressions, something like this:
>> ...
>> Now this has been facilitated even further by providing "let
>> expressions" in XPath 2.1. I will never have to need to define a
>> separate xsl:variable whose value is a sequence -- this was not
>> possible without having let expressions in XPath.
>> However, I cannot find adequate debugger support for this style of
>> programming.
> Have you considered simply wrapping sub-expressions with trace() since
> trace() simply returns the first argument as its return value?
>> The whole program above is treated as one single statement
> I tell my students this is a safe way to debug their complex expressions
> without disturbing the logic of the XPath expression (except for injecting
> the syntax)
> I hope this helps.
> . . . . . . . . . . . Ken
> --
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Dimitre Novatchev
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