d99540b254
kapt claims to support a comma separated list of annotation
processors, but it errors if multiple annotation processors
are given. Surrounding the the list with {} does not error,
but it also doesn't even warn if the second element in the
list is garbage, so it may not be running the second
processor. Repeat the processor argument for each
annotation processor class instead.
Bug: 154736649
Test: TestKapt
Test: m checkbuild
Change-Id: I4c7c161dbf867d7fba1aaf16fd5e502647e3f682
Merged-In: I4c7c161dbf867d7fba1aaf16fd5e502647e3f682
(cherry picked from commit 5a11686e64)
610 lines
21 KiB
Go
610 lines
21 KiB
Go
// Copyright 2015 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package java
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// This file generates the final rules for compiling all Java. All properties related to
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// compiling should have been translated into javaBuilderFlags or another argument to the Transform*
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// functions.
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import (
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"path/filepath"
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"strconv"
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"strings"
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"github.com/google/blueprint"
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"github.com/google/blueprint/proptools"
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"android/soong/android"
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)
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var (
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pctx = android.NewPackageContext("android/soong/java")
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// Compiling java is not conducive to proper dependency tracking. The path-matches-class-name
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// requirement leads to unpredictable generated source file names, and a single .java file
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// will get compiled into multiple .class files if it contains inner classes. To work around
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// this, all java rules write into separate directories and then are combined into a .jar file
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// (if the rule produces .class files) or a .srcjar file (if the rule produces .java files).
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// .srcjar files are unzipped into a temporary directory when compiled with javac.
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javac = pctx.AndroidRemoteStaticRule("javac", android.RemoteRuleSupports{Goma: true, RBE: true, RBEFlag: android.RBE_JAVAC},
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blueprint.RuleParams{
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Command: `rm -rf "$outDir" "$annoDir" "$srcJarDir" && mkdir -p "$outDir" "$annoDir" "$srcJarDir" && ` +
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`${config.ZipSyncCmd} -d $srcJarDir -l $srcJarDir/list -f "*.java" $srcJars && ` +
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`(if [ -s $srcJarDir/list ] || [ -s $out.rsp ] ; then ` +
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`${config.SoongJavacWrapper} ${config.JavacWrapper}${config.JavacCmd} ` +
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`${config.JavacHeapFlags} ${config.JavacVmFlags} ${config.CommonJdkFlags} ` +
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`$processorpath $processor $javacFlags $bootClasspath $classpath ` +
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`-source $javaVersion -target $javaVersion ` +
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`-d $outDir -s $annoDir @$out.rsp @$srcJarDir/list ; fi ) && ` +
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`${config.SoongZipCmd} -jar -o $out -C $outDir -D $outDir && ` +
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`rm -rf "$srcJarDir"`,
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CommandDeps: []string{
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"${config.JavacCmd}",
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"${config.SoongZipCmd}",
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"${config.ZipSyncCmd}",
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},
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CommandOrderOnly: []string{"${config.SoongJavacWrapper}"},
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Rspfile: "$out.rsp",
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RspfileContent: "$in",
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},
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"javacFlags", "bootClasspath", "classpath", "processorpath", "processor", "srcJars", "srcJarDir",
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"outDir", "annoDir", "javaVersion")
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_ = pctx.VariableFunc("kytheCorpus",
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func(ctx android.PackageVarContext) string { return ctx.Config().XrefCorpusName() })
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_ = pctx.VariableFunc("kytheCuEncoding",
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func(ctx android.PackageVarContext) string { return ctx.Config().XrefCuEncoding() })
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_ = pctx.SourcePathVariable("kytheVnames", "build/soong/vnames.json")
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// Run it with -add-opens=java.base/java.nio=ALL-UNNAMED to avoid JDK9's warning about
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// "Illegal reflective access by com.google.protobuf.Utf8$UnsafeProcessor ...
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// to field java.nio.Buffer.address"
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kytheExtract = pctx.AndroidStaticRule("kythe",
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blueprint.RuleParams{
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Command: `${config.ZipSyncCmd} -d $srcJarDir ` +
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`-l $srcJarDir/list -f "*.java" $srcJars && ` +
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`( [ ! -s $srcJarDir/list -a ! -s $out.rsp ] || ` +
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`KYTHE_ROOT_DIRECTORY=. KYTHE_OUTPUT_FILE=$out ` +
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`KYTHE_CORPUS=${kytheCorpus} ` +
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`KYTHE_VNAMES=${kytheVnames} ` +
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`KYTHE_KZIP_ENCODING=${kytheCuEncoding} ` +
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`${config.SoongJavacWrapper} ${config.JavaCmd} ` +
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`--add-opens=java.base/java.nio=ALL-UNNAMED ` +
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`-jar ${config.JavaKytheExtractorJar} ` +
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`${config.JavacHeapFlags} ${config.CommonJdkFlags} ` +
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`$processorpath $processor $javacFlags $bootClasspath $classpath ` +
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`-source $javaVersion -target $javaVersion ` +
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`-d $outDir -s $annoDir @$out.rsp @$srcJarDir/list)`,
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CommandDeps: []string{
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"${config.JavaCmd}",
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"${config.JavaKytheExtractorJar}",
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"${kytheVnames}",
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"${config.ZipSyncCmd}",
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},
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CommandOrderOnly: []string{"${config.SoongJavacWrapper}"},
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Rspfile: "$out.rsp",
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RspfileContent: "$in",
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},
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"javacFlags", "bootClasspath", "classpath", "processorpath", "processor", "srcJars", "srcJarDir",
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"outDir", "annoDir", "javaVersion")
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turbine = pctx.AndroidStaticRule("turbine",
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blueprint.RuleParams{
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Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
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`${config.JavaCmd} ${config.JavaVmFlags} -jar ${config.TurbineJar} --output $out.tmp ` +
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`--temp_dir "$outDir" --sources @$out.rsp --source_jars $srcJars ` +
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`--javacopts ${config.CommonJdkFlags} ` +
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`$javacFlags -source $javaVersion -target $javaVersion -- $bootClasspath $classpath && ` +
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`${config.Ziptime} $out.tmp && ` +
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`(if cmp -s $out.tmp $out ; then rm $out.tmp ; else mv $out.tmp $out ; fi )`,
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CommandDeps: []string{
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"${config.TurbineJar}",
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"${config.JavaCmd}",
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"${config.Ziptime}",
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},
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Rspfile: "$out.rsp",
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RspfileContent: "$in",
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Restat: true,
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},
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"javacFlags", "bootClasspath", "classpath", "srcJars", "outDir", "javaVersion")
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jar = pctx.AndroidStaticRule("jar",
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blueprint.RuleParams{
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Command: `${config.SoongZipCmd} -jar -o $out @$out.rsp`,
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CommandDeps: []string{"${config.SoongZipCmd}"},
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Rspfile: "$out.rsp",
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RspfileContent: "$jarArgs",
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},
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"jarArgs")
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zip = pctx.AndroidStaticRule("zip",
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blueprint.RuleParams{
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Command: `${config.SoongZipCmd} -o $out @$out.rsp`,
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CommandDeps: []string{"${config.SoongZipCmd}"},
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Rspfile: "$out.rsp",
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RspfileContent: "$jarArgs",
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},
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"jarArgs")
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combineJar = pctx.AndroidStaticRule("combineJar",
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blueprint.RuleParams{
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Command: `${config.MergeZipsCmd} --ignore-duplicates -j $jarArgs $out $in`,
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CommandDeps: []string{"${config.MergeZipsCmd}"},
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},
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"jarArgs")
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jarjar = pctx.AndroidStaticRule("jarjar",
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blueprint.RuleParams{
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Command: "${config.JavaCmd} ${config.JavaVmFlags}" +
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// b/146418363 Enable Android specific jarjar transformer to drop compat annotations
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// for newly repackaged classes. Dropping @UnsupportedAppUsage on repackaged classes
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// avoids adding new hiddenapis after jarjar'ing.
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" -DremoveAndroidCompatAnnotations=true" +
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" -jar ${config.JarjarCmd} process $rulesFile $in $out",
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CommandDeps: []string{"${config.JavaCmd}", "${config.JarjarCmd}", "$rulesFile"},
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},
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"rulesFile")
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packageCheck = pctx.AndroidStaticRule("packageCheck",
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blueprint.RuleParams{
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Command: "rm -f $out && " +
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"${config.PackageCheckCmd} $in $packages && " +
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"touch $out",
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CommandDeps: []string{"${config.PackageCheckCmd}"},
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},
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"packages")
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jetifier = pctx.AndroidStaticRule("jetifier",
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blueprint.RuleParams{
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Command: "${config.JavaCmd} ${config.JavaVmFlags} -jar ${config.JetifierJar} -l error -o $out -i $in",
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CommandDeps: []string{"${config.JavaCmd}", "${config.JetifierJar}"},
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},
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)
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zipalign = pctx.AndroidStaticRule("zipalign",
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blueprint.RuleParams{
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Command: "if ! ${config.ZipAlign} -c -p 4 $in > /dev/null; then " +
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"${config.ZipAlign} -f -p 4 $in $out; " +
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"else " +
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"cp -f $in $out; " +
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"fi",
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CommandDeps: []string{"${config.ZipAlign}"},
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},
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)
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)
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func init() {
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pctx.Import("android/soong/android")
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pctx.Import("android/soong/java/config")
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}
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type javaBuilderFlags struct {
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javacFlags string
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bootClasspath classpath
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classpath classpath
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java9Classpath classpath
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processorPath classpath
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processors []string
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systemModules *systemModules
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aidlFlags string
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aidlDeps android.Paths
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javaVersion javaVersion
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errorProneExtraJavacFlags string
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errorProneProcessorPath classpath
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kotlincFlags string
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kotlincClasspath classpath
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proto android.ProtoFlags
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}
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func TransformJavaToClasses(ctx android.ModuleContext, outputFile android.WritablePath, shardIdx int,
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srcFiles, srcJars android.Paths, flags javaBuilderFlags, deps android.Paths) {
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// Compile java sources into .class files
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desc := "javac"
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if shardIdx >= 0 {
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desc += strconv.Itoa(shardIdx)
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}
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transformJavaToClasses(ctx, outputFile, shardIdx, srcFiles, srcJars, flags, deps, "javac", desc)
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}
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func RunErrorProne(ctx android.ModuleContext, outputFile android.WritablePath,
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srcFiles, srcJars android.Paths, flags javaBuilderFlags) {
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flags.processorPath = append(flags.errorProneProcessorPath, flags.processorPath...)
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if len(flags.errorProneExtraJavacFlags) > 0 {
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if len(flags.javacFlags) > 0 {
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flags.javacFlags += " " + flags.errorProneExtraJavacFlags
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} else {
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flags.javacFlags = flags.errorProneExtraJavacFlags
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}
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}
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transformJavaToClasses(ctx, outputFile, -1, srcFiles, srcJars, flags, nil,
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"errorprone", "errorprone")
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}
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// Emits the rule to generate Xref input file (.kzip file) for the given set of source files and source jars
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// to compile with given set of builder flags, etc.
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func emitXrefRule(ctx android.ModuleContext, xrefFile android.WritablePath, idx int,
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srcFiles, srcJars android.Paths,
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flags javaBuilderFlags, deps android.Paths) {
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deps = append(deps, srcJars...)
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classpath := flags.classpath
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var bootClasspath string
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if flags.javaVersion.usesJavaModules() {
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var systemModuleDeps android.Paths
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bootClasspath, systemModuleDeps = flags.systemModules.FormJavaSystemModulesPath(ctx.Device())
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deps = append(deps, systemModuleDeps...)
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classpath = append(flags.java9Classpath, classpath...)
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} else {
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deps = append(deps, flags.bootClasspath...)
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if len(flags.bootClasspath) == 0 && ctx.Device() {
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// explicitly specify -bootclasspath "" if the bootclasspath is empty to
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// ensure java does not fall back to the default bootclasspath.
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bootClasspath = `-bootclasspath ""`
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} else {
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bootClasspath = flags.bootClasspath.FormJavaClassPath("-bootclasspath")
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}
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}
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deps = append(deps, classpath...)
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deps = append(deps, flags.processorPath...)
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processor := "-proc:none"
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if len(flags.processors) > 0 {
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processor = "-processor " + strings.Join(flags.processors, ",")
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}
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intermediatesDir := "xref"
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if idx >= 0 {
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intermediatesDir += strconv.Itoa(idx)
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}
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ctx.Build(pctx,
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android.BuildParams{
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Rule: kytheExtract,
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Description: "Xref Java extractor",
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Output: xrefFile,
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Inputs: srcFiles,
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Implicits: deps,
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Args: map[string]string{
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"annoDir": android.PathForModuleOut(ctx, intermediatesDir, "anno").String(),
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"bootClasspath": bootClasspath,
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"classpath": classpath.FormJavaClassPath("-classpath"),
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"javacFlags": flags.javacFlags,
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"javaVersion": flags.javaVersion.String(),
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"outDir": android.PathForModuleOut(ctx, "javac", "classes.xref").String(),
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"processorpath": flags.processorPath.FormJavaClassPath("-processorpath"),
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"processor": processor,
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"srcJarDir": android.PathForModuleOut(ctx, intermediatesDir, "srcjars.xref").String(),
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"srcJars": strings.Join(srcJars.Strings(), " "),
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},
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})
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}
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func TransformJavaToHeaderClasses(ctx android.ModuleContext, outputFile android.WritablePath,
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srcFiles, srcJars android.Paths, flags javaBuilderFlags) {
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var deps android.Paths
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deps = append(deps, srcJars...)
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classpath := flags.classpath
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var bootClasspath string
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if flags.javaVersion.usesJavaModules() {
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var systemModuleDeps android.Paths
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bootClasspath, systemModuleDeps = flags.systemModules.FormTurbineSystemModulesPath(ctx.Device())
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deps = append(deps, systemModuleDeps...)
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classpath = append(flags.java9Classpath, classpath...)
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} else {
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deps = append(deps, flags.bootClasspath...)
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if len(flags.bootClasspath) == 0 && ctx.Device() {
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// explicitly specify -bootclasspath "" if the bootclasspath is empty to
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// ensure turbine does not fall back to the default bootclasspath.
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bootClasspath = `--bootclasspath ""`
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} else {
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bootClasspath = flags.bootClasspath.FormTurbineClassPath("--bootclasspath ")
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}
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}
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deps = append(deps, classpath...)
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deps = append(deps, flags.processorPath...)
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ctx.Build(pctx, android.BuildParams{
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Rule: turbine,
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Description: "turbine",
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Output: outputFile,
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Inputs: srcFiles,
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Implicits: deps,
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Args: map[string]string{
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"javacFlags": flags.javacFlags,
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"bootClasspath": bootClasspath,
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"srcJars": strings.Join(srcJars.Strings(), " "),
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"classpath": classpath.FormTurbineClassPath("--classpath "),
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"outDir": android.PathForModuleOut(ctx, "turbine", "classes").String(),
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"javaVersion": flags.javaVersion.String(),
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},
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})
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}
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// transformJavaToClasses takes source files and converts them to a jar containing .class files.
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// srcFiles is a list of paths to sources, srcJars is a list of paths to jar files that contain
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// sources. flags contains various command line flags to be passed to the compiler.
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//
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// This method may be used for different compilers, including javac and Error Prone. The rule
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// argument specifies which command line to use and desc sets the description of the rule that will
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// be printed at build time. The stem argument provides the file name of the output jar, and
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// suffix will be appended to various intermediate files and directories to avoid collisions when
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// this function is called twice in the same module directory.
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func transformJavaToClasses(ctx android.ModuleContext, outputFile android.WritablePath,
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shardIdx int, srcFiles, srcJars android.Paths,
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flags javaBuilderFlags, deps android.Paths,
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intermediatesDir, desc string) {
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deps = append(deps, srcJars...)
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classpath := flags.classpath
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var bootClasspath string
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if flags.javaVersion.usesJavaModules() {
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var systemModuleDeps android.Paths
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bootClasspath, systemModuleDeps = flags.systemModules.FormJavaSystemModulesPath(ctx.Device())
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deps = append(deps, systemModuleDeps...)
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classpath = append(flags.java9Classpath, classpath...)
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} else {
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deps = append(deps, flags.bootClasspath...)
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if len(flags.bootClasspath) == 0 && ctx.Device() {
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// explicitly specify -bootclasspath "" if the bootclasspath is empty to
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// ensure java does not fall back to the default bootclasspath.
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bootClasspath = `-bootclasspath ""`
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} else {
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bootClasspath = flags.bootClasspath.FormJavaClassPath("-bootclasspath")
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}
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}
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deps = append(deps, classpath...)
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deps = append(deps, flags.processorPath...)
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processor := "-proc:none"
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if len(flags.processors) > 0 {
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processor = "-processor " + strings.Join(flags.processors, ",")
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}
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srcJarDir := "srcjars"
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outDir := "classes"
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annoDir := "anno"
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if shardIdx >= 0 {
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shardDir := "shard" + strconv.Itoa(shardIdx)
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srcJarDir = filepath.Join(shardDir, srcJarDir)
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outDir = filepath.Join(shardDir, outDir)
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annoDir = filepath.Join(shardDir, annoDir)
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: javac,
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Description: desc,
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Output: outputFile,
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Inputs: srcFiles,
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Implicits: deps,
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Args: map[string]string{
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"javacFlags": flags.javacFlags,
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"bootClasspath": bootClasspath,
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"classpath": classpath.FormJavaClassPath("-classpath"),
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"processorpath": flags.processorPath.FormJavaClassPath("-processorpath"),
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"processor": processor,
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"srcJars": strings.Join(srcJars.Strings(), " "),
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"srcJarDir": android.PathForModuleOut(ctx, intermediatesDir, srcJarDir).String(),
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"outDir": android.PathForModuleOut(ctx, intermediatesDir, outDir).String(),
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"annoDir": android.PathForModuleOut(ctx, intermediatesDir, annoDir).String(),
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"javaVersion": flags.javaVersion.String(),
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},
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})
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}
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func TransformResourcesToJar(ctx android.ModuleContext, outputFile android.WritablePath,
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jarArgs []string, deps android.Paths) {
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ctx.Build(pctx, android.BuildParams{
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Rule: jar,
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Description: "jar",
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Output: outputFile,
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Implicits: deps,
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Args: map[string]string{
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"jarArgs": strings.Join(proptools.NinjaAndShellEscapeList(jarArgs), " "),
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},
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})
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}
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func TransformJarsToJar(ctx android.ModuleContext, outputFile android.WritablePath, desc string,
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jars android.Paths, manifest android.OptionalPath, stripDirEntries bool, filesToStrip []string,
|
|
dirsToStrip []string) {
|
|
|
|
var deps android.Paths
|
|
|
|
var jarArgs []string
|
|
if manifest.Valid() {
|
|
jarArgs = append(jarArgs, "-m ", manifest.String())
|
|
deps = append(deps, manifest.Path())
|
|
}
|
|
|
|
for _, dir := range dirsToStrip {
|
|
jarArgs = append(jarArgs, "-stripDir ", dir)
|
|
}
|
|
|
|
for _, file := range filesToStrip {
|
|
jarArgs = append(jarArgs, "-stripFile ", file)
|
|
}
|
|
|
|
// Remove any module-info.class files that may have come from prebuilt jars, they cause problems
|
|
// for downstream tools like desugar.
|
|
jarArgs = append(jarArgs, "-stripFile module-info.class")
|
|
|
|
if stripDirEntries {
|
|
jarArgs = append(jarArgs, "-D")
|
|
}
|
|
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: combineJar,
|
|
Description: desc,
|
|
Output: outputFile,
|
|
Inputs: jars,
|
|
Implicits: deps,
|
|
Args: map[string]string{
|
|
"jarArgs": strings.Join(jarArgs, " "),
|
|
},
|
|
})
|
|
}
|
|
|
|
func TransformJarJar(ctx android.ModuleContext, outputFile android.WritablePath,
|
|
classesJar android.Path, rulesFile android.Path) {
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: jarjar,
|
|
Description: "jarjar",
|
|
Output: outputFile,
|
|
Input: classesJar,
|
|
Implicit: rulesFile,
|
|
Args: map[string]string{
|
|
"rulesFile": rulesFile.String(),
|
|
},
|
|
})
|
|
}
|
|
|
|
func CheckJarPackages(ctx android.ModuleContext, outputFile android.WritablePath,
|
|
classesJar android.Path, permittedPackages []string) {
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: packageCheck,
|
|
Description: "packageCheck",
|
|
Output: outputFile,
|
|
Input: classesJar,
|
|
Args: map[string]string{
|
|
"packages": strings.Join(permittedPackages, " "),
|
|
},
|
|
})
|
|
}
|
|
|
|
func TransformJetifier(ctx android.ModuleContext, outputFile android.WritablePath,
|
|
inputFile android.Path) {
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: jetifier,
|
|
Description: "jetifier",
|
|
Output: outputFile,
|
|
Input: inputFile,
|
|
})
|
|
}
|
|
|
|
func GenerateMainClassManifest(ctx android.ModuleContext, outputFile android.WritablePath, mainClass string) {
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: android.WriteFile,
|
|
Description: "manifest",
|
|
Output: outputFile,
|
|
Args: map[string]string{
|
|
"content": "Main-Class: " + mainClass + "\n",
|
|
},
|
|
})
|
|
}
|
|
|
|
func TransformZipAlign(ctx android.ModuleContext, outputFile android.WritablePath, inputFile android.Path) {
|
|
ctx.Build(pctx, android.BuildParams{
|
|
Rule: zipalign,
|
|
Description: "align",
|
|
Input: inputFile,
|
|
Output: outputFile,
|
|
})
|
|
}
|
|
|
|
type classpath android.Paths
|
|
|
|
func (x *classpath) formJoinedClassPath(optName string, sep string) string {
|
|
if optName != "" && !strings.HasSuffix(optName, "=") && !strings.HasSuffix(optName, " ") {
|
|
optName += " "
|
|
}
|
|
if len(*x) > 0 {
|
|
return optName + strings.Join(x.Strings(), sep)
|
|
} else {
|
|
return ""
|
|
}
|
|
}
|
|
func (x *classpath) FormJavaClassPath(optName string) string {
|
|
return x.formJoinedClassPath(optName, ":")
|
|
}
|
|
|
|
func (x *classpath) FormTurbineClassPath(optName string) string {
|
|
return x.formJoinedClassPath(optName, " ")
|
|
}
|
|
|
|
// FormRepeatedClassPath returns a list of arguments with the given optName prefixed to each element of the classpath.
|
|
func (x *classpath) FormRepeatedClassPath(optName string) []string {
|
|
if x == nil || *x == nil {
|
|
return nil
|
|
}
|
|
flags := make([]string, len(*x))
|
|
for i, v := range *x {
|
|
flags[i] = optName + v.String()
|
|
}
|
|
|
|
return flags
|
|
}
|
|
|
|
// Convert a classpath to an android.Paths
|
|
func (x *classpath) Paths() android.Paths {
|
|
return append(android.Paths(nil), (*x)...)
|
|
}
|
|
|
|
func (x *classpath) Strings() []string {
|
|
if x == nil {
|
|
return nil
|
|
}
|
|
ret := make([]string, len(*x))
|
|
for i, path := range *x {
|
|
ret[i] = path.String()
|
|
}
|
|
return ret
|
|
}
|
|
|
|
type systemModules struct {
|
|
dir android.Path
|
|
deps android.Paths
|
|
}
|
|
|
|
// Returns a --system argument in the form javac expects with -source 1.9 and the list of files to
|
|
// depend on. If forceEmpty is true, returns --system=none if the list is empty to ensure javac
|
|
// does not fall back to the default system modules.
|
|
func (x *systemModules) FormJavaSystemModulesPath(forceEmpty bool) (string, android.Paths) {
|
|
if x != nil {
|
|
return "--system=" + x.dir.String(), x.deps
|
|
} else if forceEmpty {
|
|
return "--system=none", nil
|
|
} else {
|
|
return "", nil
|
|
}
|
|
}
|
|
|
|
// Returns a --system argument in the form turbine expects with -source 1.9 and the list of files to
|
|
// depend on. If forceEmpty is true, returns --bootclasspath "" if the list is empty to ensure turbine
|
|
// does not fall back to the default bootclasspath.
|
|
func (x *systemModules) FormTurbineSystemModulesPath(forceEmpty bool) (string, android.Paths) {
|
|
if x != nil {
|
|
return "--system " + x.dir.String(), x.deps
|
|
} else if forceEmpty {
|
|
return `--bootclasspath ""`, nil
|
|
} else {
|
|
return "", nil
|
|
}
|
|
}
|