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| author | Kaz Kylheku <kaz@kylheku.com> | 2010-01-26 14:12:35 -0800 |
|---|---|---|
| committer | Kaz Kylheku <kaz@kylheku.com> | 2010-01-26 14:12:35 -0800 |
| commit | a0d9dcfe97e824e25174a3bfc9116e505eac0a51 (patch) | |
| tree | 3b6bd544c75344f0bdb81f0c34226be77519c129 /parser.h | |
| parent | 16a6ea72db8469f64f31903bea7b223f0072bca6 (diff) | |
| download | txr-a0d9dcfe97e824e25174a3bfc9116e505eac0a51.tar.gz txr-a0d9dcfe97e824e25174a3bfc9116e505eac0a51.tar.bz2 txr-a0d9dcfe97e824e25174a3bfc9116e505eac0a51.zip | |
Optimization in derivative-based regex engine.
Exponential memory consumption behavior was observed when
matching the input aaaaaa....
against the regex a?a?a?a?....aaaa....
The fix is to eliminate common subexpressions
from the derivative for the or operator.
Diffstat (limited to 'parser.h')
0 files changed, 0 insertions, 0 deletions