#!/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): //tool # Linux/MacOS (symlink): ${RUNFILES}///tool if "$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[@]}"