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Re: Semantic diff for Perl code

by Anonymous Monk
on Sep 15, 2017 at 14:57 UTC ( #1199464=note: print w/replies, xml ) Need Help??

in reply to Semantic diff for Perl code

The most clever strategy I have seen was also based on version-control MS Source Safe and it worked by analyzing the deltas. It looked for references to a subroutine-name within the blocks of changed text. It also examined the human comments which accompanied each revision ... what the developer said about it ... and the number of times a particular block of source code was changed within a small amount of time. There was some "smarts" about calculating how a particular line-number might have changed due to insertions and deletions that surrounded it. But this code was all being done in-house (by the developers at one cell-phone company that had acquired another one), and I never knew of anything to be released.

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