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authorJose Antonio Ortega Ruiz <jao@gnu.org>2015-09-10 04:22:10 +0200
committerJose Antonio Ortega Ruiz <jao@gnu.org>2015-09-10 04:22:10 +0200
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parent2f91e2e4efc776a3b8808c534491edaea6642f93 (diff)
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Speeding up debugger check (addresses #64)
Soooo, the long delay experienced when evaluating long string lists in Guile had nothing to do with the time took by emacs to read the response from the scheme process; that process is always a breeze, no matter or its format or number of newlines. The delay was provoked by an innocent looking function that scans the received string (which includes a prompt at the end as an EOT marker) to check whether Guile (or any other scheme) has just entered the debugger (that's done inside `geiser-con--connection-update-debugging`). For some reason, `string-match` on that kind of string using Guile's regexp for a debug prompt takes forever. Instead of trying to optimize the regular expression, i've just applied it to the *second* line of the received string, which is the one that contains the response's prompt.
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