265 lines
9.4 KiB
Go
265 lines
9.4 KiB
Go
// Copyright 2017 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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import (
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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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"android/soong/remoteexec"
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)
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var d8, d8RE = remoteexec.MultiCommandStaticRules(pctx, "d8",
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blueprint.RuleParams{
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Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
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`$d8Template${config.D8Cmd} ${config.DexFlags} --output $outDir $d8Flags $in && ` +
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`$zipTemplate${config.SoongZipCmd} $zipFlags -o $outDir/classes.dex.jar -C $outDir -f "$outDir/classes*.dex" && ` +
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`${config.MergeZipsCmd} -D -stripFile "**/*.class" $out $outDir/classes.dex.jar $in`,
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CommandDeps: []string{
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"${config.D8Cmd}",
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"${config.SoongZipCmd}",
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"${config.MergeZipsCmd}",
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},
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}, map[string]*remoteexec.REParams{
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"$d8Template": &remoteexec.REParams{
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Labels: map[string]string{"type": "compile", "compiler": "d8"},
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Inputs: []string{"${config.D8Jar}"},
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ExecStrategy: "${config.RED8ExecStrategy}",
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ToolchainInputs: []string{"${config.JavaCmd}"},
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Platform: map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
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},
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"$zipTemplate": &remoteexec.REParams{
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Labels: map[string]string{"type": "tool", "name": "soong_zip"},
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Inputs: []string{"${config.SoongZipCmd}", "$outDir"},
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OutputFiles: []string{"$outDir/classes.dex.jar"},
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ExecStrategy: "${config.RED8ExecStrategy}",
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Platform: map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
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},
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}, []string{"outDir", "d8Flags", "zipFlags"}, nil)
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var r8, r8RE = remoteexec.MultiCommandStaticRules(pctx, "r8",
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blueprint.RuleParams{
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Command: `rm -rf "$outDir" && mkdir -p "$outDir" && ` +
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`rm -f "$outDict" && ` +
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`$r8Template${config.R8Cmd} ${config.DexFlags} -injars $in --output $outDir ` +
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`--force-proguard-compatibility ` +
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`--no-data-resources ` +
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`-printmapping $outDict ` +
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`$r8Flags && ` +
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`touch "$outDict" && ` +
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`$zipTemplate${config.SoongZipCmd} $zipFlags -o $outDir/classes.dex.jar -C $outDir -f "$outDir/classes*.dex" && ` +
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`${config.MergeZipsCmd} -D -stripFile "**/*.class" $out $outDir/classes.dex.jar $in`,
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CommandDeps: []string{
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"${config.R8Cmd}",
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"${config.SoongZipCmd}",
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"${config.MergeZipsCmd}",
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},
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}, map[string]*remoteexec.REParams{
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"$r8Template": &remoteexec.REParams{
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Labels: map[string]string{"type": "compile", "compiler": "r8"},
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Inputs: []string{"$implicits", "${config.R8Jar}"},
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ExecStrategy: "${config.RER8ExecStrategy}",
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ToolchainInputs: []string{"${config.JavaCmd}"},
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Platform: map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
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},
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"$zipTemplate": &remoteexec.REParams{
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Labels: map[string]string{"type": "tool", "name": "soong_zip"},
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Inputs: []string{"${config.SoongZipCmd}", "$outDir"},
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OutputFiles: []string{"$outDir/classes.dex.jar"},
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ExecStrategy: "${config.RER8ExecStrategy}",
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Platform: map[string]string{remoteexec.PoolKey: "${config.REJavaPool}"},
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},
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}, []string{"outDir", "outDict", "r8Flags", "zipFlags"}, []string{"implicits"})
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func (j *Module) dexCommonFlags(ctx android.ModuleContext) []string {
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flags := j.deviceProperties.Dxflags
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// Translate all the DX flags to D8 ones until all the build files have been migrated
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// to D8 flags. See: b/69377755
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flags = android.RemoveListFromList(flags,
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[]string{"--core-library", "--dex", "--multi-dex"})
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if ctx.Config().Getenv("NO_OPTIMIZE_DX") != "" {
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flags = append(flags, "--debug")
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}
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if ctx.Config().Getenv("GENERATE_DEX_DEBUG") != "" {
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flags = append(flags,
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"--debug",
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"--verbose")
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}
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minSdkVersion, err := j.minSdkVersion().effectiveVersion(ctx)
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if err != nil {
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ctx.PropertyErrorf("min_sdk_version", "%s", err)
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}
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flags = append(flags, "--min-api "+minSdkVersion.asNumberString())
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return flags
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}
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func (j *Module) d8Flags(ctx android.ModuleContext, flags javaBuilderFlags) ([]string, android.Paths) {
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d8Flags := j.dexCommonFlags(ctx)
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d8Flags = append(d8Flags, flags.bootClasspath.FormRepeatedClassPath("--lib ")...)
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d8Flags = append(d8Flags, flags.classpath.FormRepeatedClassPath("--lib ")...)
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var d8Deps android.Paths
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d8Deps = append(d8Deps, flags.bootClasspath...)
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d8Deps = append(d8Deps, flags.classpath...)
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return d8Flags, d8Deps
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}
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func (j *Module) r8Flags(ctx android.ModuleContext, flags javaBuilderFlags) (r8Flags []string, r8Deps android.Paths) {
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opt := j.deviceProperties.Optimize
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// When an app contains references to APIs that are not in the SDK specified by
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// its LOCAL_SDK_VERSION for example added by support library or by runtime
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// classes added by desugaring, we artifically raise the "SDK version" "linked" by
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// ProGuard, to
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// - suppress ProGuard warnings of referencing symbols unknown to the lower SDK version.
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// - prevent ProGuard stripping subclass in the support library that extends class added in the higher SDK version.
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// See b/20667396
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var proguardRaiseDeps classpath
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ctx.VisitDirectDepsWithTag(proguardRaiseTag, func(dep android.Module) {
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proguardRaiseDeps = append(proguardRaiseDeps, dep.(Dependency).HeaderJars()...)
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})
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r8Flags = append(r8Flags, j.dexCommonFlags(ctx)...)
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r8Flags = append(r8Flags, proguardRaiseDeps.FormJavaClassPath("-libraryjars"))
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r8Flags = append(r8Flags, flags.bootClasspath.FormJavaClassPath("-libraryjars"))
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r8Flags = append(r8Flags, flags.classpath.FormJavaClassPath("-libraryjars"))
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r8Deps = append(r8Deps, proguardRaiseDeps...)
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r8Deps = append(r8Deps, flags.bootClasspath...)
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r8Deps = append(r8Deps, flags.classpath...)
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flagFiles := android.Paths{
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android.PathForSource(ctx, "build/make/core/proguard.flags"),
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}
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if j.shouldInstrumentStatic(ctx) {
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flagFiles = append(flagFiles,
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android.PathForSource(ctx, "build/make/core/proguard.jacoco.flags"))
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}
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flagFiles = append(flagFiles, j.extraProguardFlagFiles...)
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// TODO(ccross): static android library proguard files
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flagFiles = append(flagFiles, android.PathsForModuleSrc(ctx, j.deviceProperties.Optimize.Proguard_flags_files)...)
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r8Flags = append(r8Flags, android.JoinWithPrefix(flagFiles.Strings(), "-include "))
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r8Deps = append(r8Deps, flagFiles...)
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// TODO(b/70942988): This is included from build/make/core/proguard.flags
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r8Deps = append(r8Deps, android.PathForSource(ctx,
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"build/make/core/proguard_basic_keeps.flags"))
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r8Flags = append(r8Flags, j.deviceProperties.Optimize.Proguard_flags...)
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// TODO(ccross): Don't shrink app instrumentation tests by default.
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if !Bool(opt.Shrink) {
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r8Flags = append(r8Flags, "-dontshrink")
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}
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if !Bool(opt.Optimize) {
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r8Flags = append(r8Flags, "-dontoptimize")
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}
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// TODO(ccross): error if obufscation + app instrumentation test.
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if !Bool(opt.Obfuscate) {
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r8Flags = append(r8Flags, "-dontobfuscate")
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}
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// TODO(ccross): if this is an instrumentation test of an obfuscated app, use the
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// dictionary of the app and move the app from libraryjars to injars.
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// Don't strip out debug information for eng builds.
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if ctx.Config().Eng() {
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r8Flags = append(r8Flags, "--debug")
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}
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return r8Flags, r8Deps
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}
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func (j *Module) compileDex(ctx android.ModuleContext, flags javaBuilderFlags,
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classesJar android.Path, jarName string) android.ModuleOutPath {
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useR8 := j.deviceProperties.EffectiveOptimizeEnabled()
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// Compile classes.jar into classes.dex and then javalib.jar
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javalibJar := android.PathForModuleOut(ctx, "dex", jarName)
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outDir := android.PathForModuleOut(ctx, "dex")
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zipFlags := "--ignore_missing_files"
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if proptools.Bool(j.deviceProperties.Uncompress_dex) {
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zipFlags += " -L 0"
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}
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if useR8 {
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proguardDictionary := android.PathForModuleOut(ctx, "proguard_dictionary")
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j.proguardDictionary = proguardDictionary
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r8Flags, r8Deps := j.r8Flags(ctx, flags)
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rule := r8
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args := map[string]string{
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"r8Flags": strings.Join(r8Flags, " "),
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"zipFlags": zipFlags,
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"outDict": j.proguardDictionary.String(),
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"outDir": outDir.String(),
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}
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if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_R8") {
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rule = r8RE
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args["implicits"] = strings.Join(r8Deps.Strings(), ",")
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: rule,
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Description: "r8",
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Output: javalibJar,
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ImplicitOutput: proguardDictionary,
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Input: classesJar,
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Implicits: r8Deps,
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Args: args,
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})
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} else {
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d8Flags, d8Deps := j.d8Flags(ctx, flags)
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rule := d8
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if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_D8") {
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rule = d8RE
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}
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ctx.Build(pctx, android.BuildParams{
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Rule: rule,
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Description: "d8",
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Output: javalibJar,
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Input: classesJar,
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Implicits: d8Deps,
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Args: map[string]string{
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"d8Flags": strings.Join(d8Flags, " "),
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"zipFlags": zipFlags,
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"outDir": outDir.String(),
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},
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})
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}
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if proptools.Bool(j.deviceProperties.Uncompress_dex) {
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alignedJavalibJar := android.PathForModuleOut(ctx, "aligned", jarName)
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TransformZipAlign(ctx, alignedJavalibJar, javalibJar)
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javalibJar = alignedJavalibJar
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}
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return javalibJar
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}
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