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Thu Nov 27 07:02:52 EST 2003 · https://mail.python.org/pipermail/python-dev/2003-November/040461.html

Greg Ewing <greg at cosc.canterbury.ac.nz> writes:

> Hunter Peress <hunterp at fastmail.fm>:
>
>> a[1] +  b[2] + c[3]...currently gives an error message that doesnt say
>> which variable the list index error occurs in or at which index it occurs
>> at
>
> This would be considerably improved if the error message could
> just point out the position in the line instead of just the line
> number.

Any ideas how to do that?  I guess you could obfuscate c_lnotab even
more...

> Especially when a statement spans more than one line -- currently
> you can't even tell which line of a multi-line statement was the
> culprit!

This is occasionally very annoying, and is probably fixable -- would
require pretty serious compiler hackery, though.

Cheers,
mwh

-- 
3. Syntactic sugar causes cancer of the semicolon.
  -- Alan Perlis, http://www.cs.yale.edu/homes/perlis-alan/quotes.html

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[Python-Dev] less quick patch for better debugging.