Johan Corveleyn wrote on Thu, Dec 02, 2010 at 21:21:20 +0100: > On Thu, Dec 2, 2010 at 6:18 PM, Bill Tutt <b...@tutts.org> wrote: > > If tokens include keyword expansion operations then stop once you > > hit one. The possible source of bugs outways the perf gain in my mind > > here. > > Haven't thought about keyword expansion yet. But as you suggest: I'm > not going to bother doing special stuff for (expanded) keywords. If we > find a mismatch, we'll stop with the optimized scanning, and fall back > to the default algorithm.
Only for the suffix scanning? Or also for the prefix scanning? (I think you meant the former.) For prefix scanning, I think it's common to have $Id$ or similar near the top of the file, so being able to collect matching lines past it too would be beneficial.
