readline: replace quadratic regex with linear one#26778
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readline: replace quadratic regex with linear one#26778Hakerh400 wants to merge 1 commit intonodejs:masterfrom Hakerh400:regex
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Hakerh400:regex
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my 2 bits: I think the test should assert it functions correctly, but not the time complexity of the code. So, testing input designed to trigger quadratic isn't necessary, IMO, but if the test is fast, its not bad to do. A comment as to why the code is written this way would be useful, so someone doesn't come along later and think "aha, I can refactor this into one line with a better regex". |
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Added a comment and updated the test. |
addaleax
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Mar 19, 2019
Simplify regular expression in _wordLeft readline method.
BridgeAR
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Mar 26, 2019
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targos
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Mar 30, 2019
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Simplify regular expression in _wordLeft and _deleteWordLeft readline methods. PR-URL: #26778 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Michaël Zasso <targos@protonmail.com>
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Simplify regular expression in _wordLeft and _deleteWordLeft readline methods. PR-URL: #26778 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Michaël Zasso <targos@protonmail.com>
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Simplify regular expression in _wordLeft and _deleteWordLeft readline methods. PR-URL: #26778 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Michaël Zasso <targos@protonmail.com> Signed-off-by: Beth Griggs <Bethany.Griggs@uk.ibm.com>
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Simplify regular expression in _wordLeft and _deleteWordLeft readline methods. PR-URL: #26778 Reviewed-By: Ruben Bridgewater <ruben@bridgewater.de> Reviewed-By: Michaël Zasso <targos@protonmail.com> Signed-off-by: Beth Griggs <Bethany.Griggs@uk.ibm.com>
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Simplify regular expression in _wordLeft readline method.
Note: If the test can be improved in any way, let me know. Tried using
FakeInput, but writing one million characters takes a very long time. Or should a benchmark be used instead of the test?Fixes #26596
Checklist
make -j4 test(UNIX), orvcbuild test(Windows) passes