On 01.May.2002 -- 09:38 PM, Torsten Curdt wrote:
> ---------- Forwarded message ----------
> From: Jens Lorenz <[EMAIL PROTECTED]>
>
> From: "Torsten Curdt" <[EMAIL PROTECTED]>
>
> > > One could, of course,
> > > first run the XSP through a transformer that adds line number
> > > comments that are kept 'til the java file is generated,
> > >
> > > find the enclosing line number comments (well, one would suffice)
> > >
> > > output the XSP with the line highlighted that translates to the
> > > faulty java code
> > >
> > > Would be kind of overhead outside development but then, a deployed
> > > application wouldn't compile XSPs too often.
> >
> > hm.. you mean this way?
> >
> > ...
> > <xsp:logic>
> > int a = 5;
> > </xsp:logic>
> > <my:logicsheet-tag/>
> > <xsp:logic>
> > b = a;
> > c = x;
> > </xsp:logic>
> > ...
> >
> > transform it once to add the line numbers. (it would be cool if the XSP
> > logicsheet could already provide this. but I fear that's not possible
> with
> > XSLT)
> > ...
> > <xsp:logic>
> > /* line:4 */ int a = 5;
> > </xsp:logic>
> > <my:logicsheet-tag/>
> > <xsp:logic>
> > /* line:8 */ b = a;
> > /* line:9 */ c = x;
> > </xsp:logic>
> > ....
> >
> > Then apply the logicsheets which might insert or remove lines from the
> > original code:
> >
> > ...
> > /* line:4 */ int a = 5;
> >
> > .....
> >
> > /* line:8 */ b = a;
> > /* line:9 */ c = x;
> > ....
> >
> > Now the exception provides information about the final class line
> numbers.
> > We still would need to obtaint the information as described. but we
> could
> > then also parse the comment to get the original line number an present
> > that one in a nice exception. the malicious line highlighted with +/- 5
> > lines. if there is no line number in comments we know it was introduced
> by
> > a logicsheet and might not be very helpful to display this way.
> >
Like I said before, I don't think it's possible as it makes a number of
assumptions about logicsheets that are unlikely to be valid.
For example, take the sendmail logicsheet:
<sendmail:body>
Hello,
this is a message
send through cocoon.
</sendmail:body>
Now, insert line numbers:
<sendmail:body>
<xsp:logic>/* 500 */</xsp:logic> Hello,
<xsp:logic>/* 501 */</xsp:logic> this is a message
<xsp:logic>/* 502 */</xsp:logic> send through cocoon.
<xsp:logic>/* 503 */</xsp:logic>
</sendmail:body>
<xsp:logic>/* 504 */</xsp:logic>
Will result in message:
"/* 500 */ Hello, /* 501 */ this is a message"...
Other logicsheets might just strip large ranges of line numbers.
Chris.
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