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#487 TIP #290 register custom error handlers
This is the patch for TIP #290 ("Registration of Custom
Error Handler Scripts") against 8.5a5
See http://www.tcl.tk/cgi-bin/tct/tip/290 for details
on the proposed feature
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added updating of error information before the custom
handler is run, so that the ::errorInfo variable contains it
when the handler is run.
updated patch - see above (31.10.2006)
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updated the patch to the new specification. Changes:
- handler is called on every exceptional return, not just
TCL_ERROR (as it was before)
- return code and result are appended as arguments to the
handler
- registration command is now a subcommand of trace:
trace set exception ?-caught? ?-uncaught? ?command?
trace info exception
trace unset exception
The new patch is against CVS HEAD
patch against today's CVS head
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fixed error for old trace commands ('trace variable', 'trace
vdelete', 'trace vinfo')... just a missed comma.
fixed tests/trace.test to give correct message