blob: a37b6f95d567d23c54bc5954193260eb06a0bd9c [file] [log] [blame]
#!/bin/bash
# Copyright 2017 The Bazel Authors. All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# A wrapper around the desugar binary that sets
# jdk.internal.lambda.dumpProxyClasses and configures Java 8 library rewriting
# through additional flags.
# exit on errors and uninitialized variables
set -eu
RUNFILES="${RUNFILES:-$0.runfiles}"
RUNFILES_MANIFEST_FILE="${RUNFILES_MANIFEST_FILE:-$RUNFILES/MANIFEST}"
IS_WINDOWS=false
case "$(uname | tr [:upper:] [:lower:])" in
msys*|mingw*|cygwin*)
IS_WINDOWS=true
esac
if "$IS_WINDOWS" && ! type rlocation &> /dev/null; then
function rlocation() {
# Use 'sed' instead of 'awk', so if the absolute path ($2) has spaces, it
# will be printed completely.
local result="$(grep "$1" "${RUNFILES_MANIFEST_FILE}" | head -1)"
# If the entry has a space, it is a mapping from a runfiles-path to absolute
# path, otherwise it resolves to itself.
echo "$result" | grep -q " " \
&& echo "$result" | sed 's/^[^ ]* //' \
|| echo "$result"
}
fi
# Find script to call:
# Windows (in MANIFEST): <repository_name>/<path/to>/tool
# Linux/MacOS (symlink): ${RUNFILES}/<repository_name>/<path/to>/tool
if "$IS_WINDOWS"; then
DESUGAR="$(rlocation "[^/]*/src/tools/android/java/com/google/devtools/build/android/desugar/Desugar")"
else
DESUGAR="$(find "${RUNFILES}" -path "*/src/tools/android/java/com/google/devtools/build/android/desugar/Desugar" | head -1)"
fi
readonly TMPDIR="$(mktemp -d)"
trap "rm -rf ${TMPDIR}" EXIT
readonly DESUGAR_JAVA8_LIBS_CONFIG=(--rewrite_core_library_prefix java/time/ \
--rewrite_core_library_prefix java/lang/Double8 \
--rewrite_core_library_prefix java/lang/Integer8 \
--rewrite_core_library_prefix java/lang/Long8 \
--rewrite_core_library_prefix java/lang/Math8 \
--rewrite_core_library_prefix java/util/stream/ \
--rewrite_core_library_prefix java/util/function/ \
--rewrite_core_library_prefix java/util/Desugar \
--rewrite_core_library_prefix java/util/DoubleSummaryStatistics \
--rewrite_core_library_prefix java/util/IntSummaryStatistics \
--rewrite_core_library_prefix java/util/LongSummaryStatistics \
--rewrite_core_library_prefix java/util/Objects \
--rewrite_core_library_prefix java/util/Optional \
--rewrite_core_library_prefix java/util/PrimitiveIterator \
--rewrite_core_library_prefix java/util/Spliterator \
--rewrite_core_library_prefix java/util/StringJoiner \
--rewrite_core_library_prefix java/util/concurrent/atomic/DesugarAtomic \
--retarget_core_library_member "java/lang/Double#max->java/lang/Double8" \
--retarget_core_library_member "java/lang/Double#min->java/lang/Double8" \
--retarget_core_library_member "java/lang/Double#sum->java/lang/Double8" \
--retarget_core_library_member "java/lang/Integer#max->java/lang/Integer8" \
--retarget_core_library_member "java/lang/Integer#min->java/lang/Integer8" \
--retarget_core_library_member "java/lang/Integer#sum->java/lang/Integer8" \
--retarget_core_library_member "java/lang/Long#max->java/lang/Long8" \
--retarget_core_library_member "java/lang/Long#min->java/lang/Long8" \
--retarget_core_library_member "java/lang/Long#sum->java/lang/Long8" \
--retarget_core_library_member "java/lang/Math#toIntExact->java/lang/Math8" \
--retarget_core_library_member "java/util/Arrays#stream->java/util/DesugarArrays" \
--retarget_core_library_member "java/util/Arrays#spliterator->java/util/DesugarArrays" \
--retarget_core_library_member "java/util/Calendar#toInstant->java/util/DesugarCalendar" \
--retarget_core_library_member "java/util/Date#from->java/util/DesugarDate" \
--retarget_core_library_member "java/util/Date#toInstant->java/util/DesugarDate" \
--retarget_core_library_member "java/util/GregorianCalendar#from->java/util/DesugarGregorianCalendar" \
--retarget_core_library_member "java/util/GregorianCalendar#toZonedDateTime->java/util/DesugarGregorianCalendar" \
--retarget_core_library_member "java/util/LinkedHashSet#spliterator->java/util/DesugarLinkedHashSet" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicInteger#getAndUpdate->java/util/concurrent/atomic/DesugarAtomicInteger" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicInteger#updateAndGet->java/util/concurrent/atomic/DesugarAtomicInteger" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicInteger#getAndAccumulate->java/util/concurrent/atomic/DesugarAtomicInteger" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicInteger#accumulateAndGet->java/util/concurrent/atomic/DesugarAtomicInteger" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicLong#getAndUpdate->java/util/concurrent/atomic/DesugarAtomicLong" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicLong#updateAndGet->java/util/concurrent/atomic/DesugarAtomicLong" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicLong#getAndAccumulate->java/util/concurrent/atomic/DesugarAtomicLong" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicLong#accumulateAndGet->java/util/concurrent/atomic/DesugarAtomicLong" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicReference#getAndUpdate->java/util/concurrent/atomic/DesugarAtomicReference" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicReference#updateAndGet->java/util/concurrent/atomic/DesugarAtomicReference" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicReference#getAndAccumulate->java/util/concurrent/atomic/DesugarAtomicReference" \
--retarget_core_library_member "java/util/concurrent/atomic/AtomicReference#accumulateAndGet->java/util/concurrent/atomic/DesugarAtomicReference" \
--emulate_core_library_interface java/util/Collection \
--emulate_core_library_interface java/util/Map \
--emulate_core_library_interface java/util/Map\$Entry \
--emulate_core_library_interface java/util/Iterator \
--emulate_core_library_interface java/util/Comparator \
--dont_rewrite_core_library_invocation "java/util/Iterator#remove")
# Check for params file. Desugar doesn't accept a mix of params files and flags
# directly on the command line, so we need to build a new params file that adds
# the flags we want.
if [[ "$#" -gt 0 ]]; then
arg="$1";
case "${arg}" in
@*)
params="${TMPDIR}/desugar.params"
cat "${arg:1}" > "${params}" # cp would create file readonly
for o in "${DESUGAR_JAVA8_LIBS_CONFIG[@]}"; do
echo "${o}" >> "${params}"
done
"${DESUGAR}" \
"--jvm_flags=--add-opens=java.base/java.lang.invoke=ALL-UNNAMED" \
"--jvm_flag=-Djdk.internal.lambda.dumpProxyClasses=${TMPDIR}" \
"@${params}"
# temp dir deleted by TRAP installed above
exit 0
;;
esac
fi
"${DESUGAR}" \
"--jvm_flags=--add-opens=java.base/java.lang.invoke=ALL-UNNAMED" \
"--jvm_flag=-Djdk.internal.lambda.dumpProxyClasses=${TMPDIR}" \
"$@" \
"${DESUGAR_JAVA8_LIBS_CONFIG[@]}"