office-gobmx/bin/find-unused-typedefs.sh
Andrea Gelmini fc2590cfa1 Fix typos
Change-Id: Id81b16ff26283611f0b84929d831c827f847ab73
Reviewed-on: https://gerrit.libreoffice.org/24317
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Markus Mohrhard <markus.mohrhard@googlemail.com>
2016-04-30 15:06:45 +00:00

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#
# This is a pretty brute-force approach. It takes several hours to run on a top-spec MacbookAir.
# It also produces some false positives, so it requires careful examination and testing of the results.
#
# Algorithm Summary:
# First we find all #defines,
# then we search for each of them in turn,
# and if we find only one instance of a #define, we print it out.
#
# Algorithm Detail:
# (1) find #defines, excluding the externals folder
# (2) extract just the constant name from the search results
# (3) trim blank lines
# (4) sort the results, mostly so I have an idea how far along the process is
# (5) for each result:
# (6) grep for the constant
# (7) use awk to check if only one match for a given constant was found
# (8) if so, generate a sed command to remove the #define
#
bin/find-unused-typedefs.py \
| sort -u \
| xargs -Ixxx -n 1 -P 8 sh -c \
'( git grep -w xxx | awk -f bin/find-unused-defines.awk -v p1=xxx ) && echo xxx 1>&2'