Use the same technique developed for the simpler libaudiohal to
factorize the audio HAL impl.
Generated with script:
set -euo pipefail
cd hardware/interfaces/audio
# Make 2.0 and 4.0 files mostly identical by removing all 2.0, V4.0...
# and replacing it by CPP_VERSION and FILE_VERSION
# This allow both implementation to be mostly identical, except for code difference
# Also remove IncludeGuard.h as it will be included from compiler flag
# Also update license to 2018
find -name *.cpp -o -name *h |
grep -v -e service.cpp |
xargs sed -Ei \
-e 's/(#.*)V[42]_0_(.*_H_?)$/\1\2/' \
-e 's/(LOG_TAG.*)[24]_0/\1/' \
-e '/#ifndef AUDIO_HAL_VERSION/,/#endif/d' \
-e '/^#.*def.*AUDIO_HAL_VERSION\b/d' \
-e's/V[42]_0/CPP_VERSION/' \
-e 's/(#include ).(android.*)[24].0(.*).$/\1PATH(\2FILE_VERSION\3)/' \
-e 's|(#include) .(.*)[24].0/(default/.*).$|\1 "\2\3"|' \
-e 's/\bAUDIO_HAL_VERSION\b/CPP_VERSION/' \
-e '/IncludeGuard.h/d' \
-e 's/(Copyright .C. 201)./\18/'
# set MAJOR_VERSION instead of having a different macro for each version
# this allow to do preprocessor arithmetic (eg: MAJOR_VERSION >= 4)
for v in 2 4; do
find -ipath '*/'$v'.0/*/Android.bp' |
xargs sed -i -e '/cflags:/,/^$/d' -e '/vndk/{:a;/}/!{N;ba};d}' -e '$i\
cflags: [\
"-DMAJOR_VERSION='$v'",\
"-DMINOR_VERSION=0",\
"-include common/all-versions/VersionMacro.h",\
]'; done
# replace# ifdef VERSION_X by #if MAJOR_VERSION == X
find -path *all-versions/*.h |
xargs sed -Ei -e 's/def.*AUDIO_HAL_VERSION_([24])_0.*/ MAJOR_VERSION == \1/' \
-e 'T;s/ +/ /'
# copy all-versions impl in each version impl
find -path '*/[24].0/*.[hc]*' |
grep -ve all-versions -e test |
xargs -P99 -n4 sed -i -Ee '/include <.*all-versions.default/!b' \
-e 's#.*<#find -path */#' -e 's/>$/|xargs tail -n +16/' -e e
# remove all-versions impl
rm -r {core,effect}/all-versions/
# merge version impl into a single all-version
for dir in core/*.0/vts/functional/*.0/ ;do
dest=$(echo $dir | sed 's#/..0/#/all-versions/#')
mkdir -p $dest
mv -T $dir $dest
done
find -mindepth 3 -path '*/2.0/*' -a \( -name '*cpp' -o -name '*h' \) |
grep -v 'all-versions' |
sed -E 'h;s/2/4/g;H;s/4.0/all-versions/;s/4.0//;H;g;s/\n/ /g;'|
xargs -P99 -L1 sh -c '
set -euo pipefail
mkdir -p $(dirname $2);
diff --old-group-format="#if MAJOR_VERSION == 2
%<#endif
" \
--new-group-format="#if MAJOR_VERSION == 4
%>#endif
" $0 $1 > $2 || true;
rm $0 $1'
# merge the X.0 Android.bp & OWNERS in the all-versions
for dir in common effect core; do
for sub in default vts/functional; do
test -f $dir/2.0/$sub/Android.bp || continue
awk 1 $dir/*.0/$sub/Android.bp >> $dir/all-versions/$sub/Android.bp
# delete licenses except for the first one and add whitelines
sed -i -e '/^}$/{N;/^}\n$/!s/\n/&\n/}' $dir/all-versions/$sub/Android.bp
sed -i -e '1,17b;/^\/\//,/^$/{d}' $dir/all-versions/$sub/Android.bp
done
for sub in default vts; do
test -d $dir/2.0/$sub || continue
test -f $dir/2.0/$sub/OWNERS &&
awk 1 $dir/*.0/$sub/OWNERS | sort -u > $dir/all-versions/$sub/OWNERS ||
true
rm -r $dir/*.0/$sub
done
done
# delete all-versions-impl dependencies
find -name 'Android.bp' | xargs sed -i -e '/all-versions-impl/d'
# cleanup unused files
rm common/all-versions/default/include/common/all-versions/default/HidlUtils*
rm common/all-versions/util/include/common/all-versions/IncludeGuard.h
find -depth -type d -empty -delete
# Clamp consecutive number of empty lines to 2
find -name *.cpp -o -name *h | xargs sed -Ei ':a;/^\n*$/{N;ba};s/\n\n+/\n\n/'
# transform #endif\n#if to #elif
find -name *.cpp -o -name *h | xargs sed -i '/^#endif/{N;s/.*\n#if/#elif/}'
# remove leftover include guard in cpp
find -name *.cpp |xargs sed -Ei '/^#.*_H_?$/d'
# apply clang-format
find -name *cpp -o -name *h |
xargs ../../../prebuilts/clang/host/linux-x86/clang-stable/bin/clang-format --style file -i
# clang format breaks PATH(a/b) to PATH(a / b), remove the space surrounding /
find -name *cpp -o -name *h | xargs sed -i "/#include PATH/s# / #/#g"
Test: compile
Bug: 118203066
Change-Id: I3692a444307afc5f71064fe0b9e6b8af3c9ff1dd
Signed-off-by: Kevin Rocard <krocard@google.com>
96d2cd9d5c