[bug-epsilon] [task #3310] support EOF as a terminal

[Luca Saiu]

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 of the project: epsilon.




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[task #3310] Full Item Snapshot:

URL: <http://savannah.gnu.org/task/?func=detailitem&item_id=3310>
Project: epsilon
Submitted by: Luca Saiu
On: Tue 06/01/2004 at 21:14

Category:  epsilonlex
Should Start On:  Tue 06/01/2004 at 00:00
Should be Finished on:  Tue 06/01/2004 at 00:00
Priority:  1 - Later
Resolution:  None
Assigned to:  None
Percent Complete:  0%
Status:  Open
Effort:  0.00


Summary:  support EOF as a terminal

Original Submission:  It would be nice to recognize end-of-file as a terminal; 
for example it's an obvious way to handle C++-style comments at the end of a 
file.

It shouldn't be hard to implement.

Should we recognize it as a token only if requested via an option? I think not, 
it's easy to give it an 'ignore' action, and if the user forgets it he/she will 
get an exception at the first run of the scanner.

Ocamllex has it, and epsilonlex should have it too.











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