| // Copyright (c) 2023, the R8 project authors. Please see the AUTHORS file |
| // for details. All rights reserved. Use of this source code is governed by a |
| // BSD-style license that can be found in the LICENSE file. |
| |
| import com.google.gson.Gson |
| import java.io.ByteArrayOutputStream |
| import java.net.URI |
| import java.nio.charset.Charset |
| import java.nio.file.Files.readString |
| import java.nio.file.Paths |
| import java.util.UUID |
| import javax.inject.Inject |
| import net.ltgt.gradle.errorprone.errorprone |
| import org.gradle.api.artifacts.ModuleVersionIdentifier |
| import org.gradle.api.artifacts.component.ModuleComponentIdentifier |
| import org.gradle.api.provider.Provider |
| import org.gradle.api.provider.ValueSource |
| import org.gradle.api.provider.ValueSourceParameters |
| import org.gradle.api.tasks.bundling.Jar |
| import org.gradle.process.ExecOperations |
| import org.jetbrains.kotlin.gradle.tasks.KotlinCompile |
| import org.spdx.sbom.gradle.SpdxSbomTask |
| import org.spdx.sbom.gradle.extensions.DefaultSpdxSbomTaskExtension |
| |
| plugins { |
| `kotlin-dsl` |
| id("dependencies-plugin") |
| id("net.ltgt.errorprone") version "3.0.1" |
| id("org.spdx.sbom") version "0.4.0" |
| } |
| |
| // Properties that you can set in your ~/.gradle/gradle.properties: |
| |
| // Causes builds to not fail on warnings. |
| val treatWarningsAsErrors = !project.hasProperty("disable_warnings_as_errors") |
| |
| // Disable Error Prone checks (can make compiles marginally faster). |
| var enableErrorProne = !project.hasProperty("disable_errorprone") |
| |
| // Use a separate sourceSet for files that have been modified when doing incremental builds. |
| // Speeds up compile times where the list of files isn't changed from 1-2 minutes -> 1-2 seconds. |
| // |
| // Modified files are determined using git, and the list of modified files never shrinks (since |
| // that would cause build errors). However, it is safe to fully reset the list of modified files, |
| // which you can do by deleting d8_r8/main/build/turbo-paths.txt. |
| // |
| // What's the catch? |
| // Unmodified sources that depend on modified ones will *not be rebuilt* when modified sources |
| // change. This is where the speed-up comes from, but can lead to runtime crashes if signatures |
| // change without references to them being updated. |
| // Be sure to fix problems reported by IntelliJ when using this mode. |
| var enableTurboBuilds = project.hasProperty("enable_r8_turbo_builds") |
| |
| val MAIN_JAVA_PATH_PREFIX = "src/main/java/" |
| |
| interface TurboPathsValueSourceParameters : ValueSourceParameters { |
| val pathPrefix: Property<String> |
| val turboPathsFile: Property<File> |
| val extraGlobs: ListProperty<String> |
| val mainOutputDir: Property<File> |
| } |
| |
| enum class TurboReason { |
| FIRST_BUILD, |
| PATHS_CHANGED, |
| PATHS_UNCHANGED, |
| CORRUPT_FILE, |
| TOO_MANY_PATHS, |
| } |
| |
| data class TurboState(val paths: List<String>, val reason: TurboReason) |
| |
| abstract class TurboPathsValueSource : ValueSource<TurboState, TurboPathsValueSourceParameters> { |
| @get:Inject abstract val execOperations: ExecOperations |
| |
| fun isDirectoryEmpty(path: File): Boolean { |
| if (!path.exists()) { |
| return true |
| } |
| |
| val files = path.listFiles() |
| return files == null || files.isEmpty() |
| } |
| |
| override fun obtain(): TurboState? { |
| val prefix = parameters.pathPrefix.get() |
| val turboPathsFile = parameters.turboPathsFile.get() |
| val extraGlobs = parameters.extraGlobs.get() |
| val mainOutputDir = parameters.mainOutputDir.get() |
| |
| // Check for first build (since the turbo sourceSet requires the main one |
| // to have been built already). |
| if (isDirectoryEmpty(mainOutputDir)) { |
| return TurboState(listOf(), TurboReason.FIRST_BUILD) |
| } |
| |
| var mergeBase = "origin/main" |
| val pathSet: MutableSet<String> = mutableSetOf() |
| |
| if (turboPathsFile.exists()) { |
| val lines = turboPathsFile.readLines() |
| if (!lines.isEmpty() && lines[0].startsWith("mergebase=")) { |
| mergeBase = lines[0].removePrefix("mergebase=") |
| pathSet.addAll(lines.drop(1)) |
| } else { |
| // Corrupt file. |
| turboPathsFile.delete() |
| return TurboState(listOf(), TurboReason.CORRUPT_FILE) |
| } |
| } |
| |
| val prevNumSource = pathSet.size |
| val output = ByteArrayOutputStream() |
| execOperations.exec { |
| commandLine = listOf("git", "diff", "--name-only", "--merge-base", mergeBase) |
| standardOutput = output |
| } |
| val result = String(output.toByteArray(), Charset.defaultCharset()) |
| val gitPaths = |
| result |
| .lines() |
| .filter { it.startsWith(prefix) && it.endsWith(".java") } |
| .map { it.trim().removePrefix(prefix) } |
| pathSet.addAll(gitPaths) |
| |
| val ret = pathSet.toMutableList() |
| ret.sort() |
| // Allow users to specify extra globs. |
| ret += extraGlobs |
| |
| if (mergeBase == "origin/main") { |
| output.reset() |
| execOperations.exec { |
| commandLine = listOf("git", "rev-parse", "origin/main") |
| standardOutput = output |
| } |
| mergeBase = String(output.toByteArray(), Charset.defaultCharset()).trim() |
| } |
| |
| if (pathSet.size > 200 && gitPaths.size < 40) { |
| // File has gotten too big. Start fresh. |
| turboPathsFile.delete() |
| return TurboState(listOf(), TurboReason.TOO_MANY_PATHS) |
| } |
| |
| turboPathsFile.writeText("mergebase=$mergeBase\n" + ret.joinToString("\n")) |
| val changed = prevNumSource != pathSet.size |
| val reason = |
| if (pathSet.isEmpty()) TurboReason.FIRST_BUILD |
| else if (changed) TurboReason.PATHS_CHANGED else TurboReason.PATHS_UNCHANGED |
| return TurboState(ret, reason) |
| } |
| } |
| |
| val turboPathsProvider: Provider<TurboState> = |
| providers.of(TurboPathsValueSource::class.java) { |
| parameters.pathPrefix.set(MAIN_JAVA_PATH_PREFIX) |
| |
| // Wipe this file to remove files from the active set. |
| parameters.turboPathsFile.set(layout.buildDirectory.file("turbo-paths.txt").get().asFile) |
| |
| parameters.extraGlobs.set( |
| project.findProperty("turbo_build_globs")?.toString()?.split(',') ?: emptyList() |
| ) |
| |
| parameters.mainOutputDir.set(sourceSets["main"].java.destinationDirectory.get().getAsFile()) |
| } |
| |
| // Add all changed files to the "turbo" source set. |
| val turboState = if (enableTurboBuilds) turboPathsProvider.get() else null |
| |
| if (turboState != null) { |
| val numFiles = turboState.paths.size |
| val msg = |
| when (turboState.reason) { |
| TurboReason.FIRST_BUILD -> "First build detected. Build will be slow." |
| TurboReason.PATHS_CHANGED -> "Paths in active set have changed. Build will be slow." |
| TurboReason.PATHS_UNCHANGED -> "Paths unchanged. Size=$numFiles. Build should be fast!" |
| TurboReason.CORRUPT_FILE -> "turbo-paths.txt was invalid. Build will be slow." |
| TurboReason.TOO_MANY_PATHS -> "Paths were compacted. Build will be slow." |
| } |
| logger.warn("Turbo: $msg") |
| } else { |
| logger.warn("Turbo: enable_r8_turbo_builds=false") |
| } |
| |
| java { |
| sourceSets { |
| val srcDir = getRoot().resolveAll("src", "main", "java") |
| |
| main { |
| resources.srcDirs(getRoot().resolveAll("third_party", "api_database", "api_database")) |
| java { |
| srcDir(srcDir) |
| if (turboState != null && !turboState.paths.isEmpty()) { |
| exclude(turboState.paths) |
| } |
| } |
| } |
| |
| // Must be created unconditionally so that other targets can depend on it. |
| create("turbo") { |
| java { |
| srcDir(srcDir) |
| if (turboState != null && !turboState.paths.isEmpty()) { |
| include(turboState.paths) |
| } else { |
| exclude("*") |
| } |
| } |
| } |
| } |
| |
| sourceCompatibility = JvmCompatibility.sourceCompatibility |
| targetCompatibility = JvmCompatibility.targetCompatibility |
| toolchain { |
| languageVersion = JavaLanguageVersion.of(JvmCompatibility.release) |
| } |
| withSourcesJar() |
| } |
| |
| dependencies { |
| implementation(":assistant") |
| implementation(":keepanno") |
| implementation(":resourceshrinker") |
| compileOnly(Deps.androidxCollection) |
| compileOnly(Deps.androidxTracingDriver) |
| compileOnly(Deps.androidxTracingDriverWire) |
| compileOnly(Deps.asm) |
| compileOnly(Deps.asmCommons) |
| compileOnly(Deps.asmUtil) |
| compileOnly(Deps.fastUtil) |
| compileOnly(Deps.gson) |
| compileOnly(Deps.guava) |
| compileOnly(Deps.kotlinMetadata) |
| compileOnly(Deps.protobuf) |
| errorprone(Deps.errorprone) |
| } |
| |
| if (enableTurboBuilds) { |
| tasks.named("compileJava") { |
| // Makes compileTurboJava run first, but does not cause compileJava to re-run if |
| // compileTurboJava changes. |
| dependsOn(tasks.named("compileTurboJava")) |
| } |
| |
| // Does not include main's output directory, which must also be added when compilation avoidance |
| // causes only a subset of sources to be recompiled. |
| val mainClasspath = sourceSets["main"].compileClasspath.getAsPath() |
| |
| tasks.named<JavaCompile>("compileTurboJava") { |
| // Add the main's classes to the classpath without letting gradle know about this dependency |
| // (as it's a circular one). |
| options.compilerArgs.add("-classpath") |
| options.compilerArgs.add( |
| "" + |
| sourceSets["turbo"].java.destinationDirectory.get() + |
| File.pathSeparator + |
| mainClasspath + |
| File.pathSeparator + |
| sourceSets["main"].java.destinationDirectory.get() |
| ) |
| } |
| |
| tasks.named<JavaCompile>("compileJava") { |
| // Add the turbo's classes to the classpath without letting gradle know about this dependency |
| // (or else it will cause it to rebuild whenever files in it change). |
| options.compilerArgs.add("-classpath") |
| options.compilerArgs.add( |
| "" + |
| sourceSets["main"].java.destinationDirectory.get() + |
| File.pathSeparator + |
| mainClasspath + |
| File.pathSeparator + |
| sourceSets["turbo"].java.destinationDirectory.get() |
| ) |
| } |
| } |
| |
| if (project.hasProperty("spdxVersion")) { |
| project.version = project.property("spdxVersion")!! |
| } |
| |
| spdxSbom { |
| targets { |
| create("r8") { |
| // Use of both compileClasspath and runtimeClasspath due to how the |
| // dependencies jar is built and dependencies above therefore use |
| // compileOnly for actual runtime dependencies. |
| configurations.set(listOf("compileClasspath", "runtimeClasspath")) |
| scm { |
| uri.set("https://r8.googlesource.com/r8/") |
| if (project.hasProperty("spdxRevision")) { |
| revision.set(project.property("spdxRevision").toString()) |
| } |
| } |
| document { |
| name.set("R8 Compiler Suite") |
| // Generate version 5 UUID from fixed namespace UUID and name generated from revision |
| // (git hash) and artifact name. |
| if (project.hasProperty("spdxRevision")) { |
| namespace.set( |
| "https://spdx.google/" |
| + uuid5( |
| UUID.fromString("df17ea25-709b-4edc-8dc1-d3ca82c74e8e"), |
| project.property("spdxRevision").toString() + "-r8" |
| ) |
| ) |
| } |
| creator.set("Organization: Google LLC") |
| packageSupplier.set("Organization: Google LLC") |
| } |
| } |
| } |
| } |
| |
| val assistantJarTask = projectTask("assistant", "jar") |
| val keepAnnoJarTask = projectTask("keepanno", "jar") |
| val keepAnnoDepsJarExceptAsm = projectTask("keepanno", "depsJarExceptAsm") |
| val keepAnnoToolsJar = projectTask("keepanno", "toolsJar") |
| val resourceShrinkerJarTask = projectTask("resourceshrinker", "jar") |
| val resourceShrinkerDepsTask = projectTask("resourceshrinker", "depsJar") |
| |
| fun mainJarDependencies() : FileCollection { |
| return sourceSets |
| .main |
| .get() |
| .compileClasspath |
| .filter({ "$it".contains("third_party") |
| && "$it".contains("dependencies") |
| && !"$it".contains("errorprone") |
| }) |
| } |
| |
| tasks { |
| jar { |
| from(sourceSets["turbo"].output) |
| } |
| |
| withType<Exec> { |
| doFirst { |
| println("Executing command: ${commandLine.joinToString(" ")}") |
| } |
| } |
| |
| withType<ProcessResources> { |
| dependsOn(gradle.includedBuild("shared").task(":downloadDeps")) |
| } |
| |
| withType<SpdxSbomTask> { |
| taskExtension.set(object : DefaultSpdxSbomTaskExtension() { |
| override fun mapRepoUri(input: URI?, moduleId: ModuleVersionIdentifier): URI? { |
| |
| // Locate the file origin.json with URL for download location. |
| fun getOriginJson() : java.nio.file.Path { |
| var repositoryDir = |
| moduleId.group.replace('.', '/') + "/" + moduleId.name + "/" + moduleId.version |
| return Paths.get("third_party", "dependencies", repositoryDir, "origin.json"); |
| } |
| |
| // Simple data model of the content of origin.json generated by the tool to download |
| // and create a local repository. E.g.: |
| /* |
| { |
| "artifacts": [ |
| { |
| "file": "org/ow2/asm/asm/9.5/asm-9.5.pom", |
| "repo": "https://repo1.maven.org/maven2/", |
| "artifact": "org.ow2.asm:asm:pom:9.5" |
| }, |
| { |
| "file": "org/ow2/asm/asm/9.5/asm-9.5.jar", |
| "repo": "https://repo1.maven.org/maven2/", |
| "artifact": "org.ow2.asm:asm:jar:9.5" |
| } |
| ] |
| } |
| */ |
| data class Artifact(val file: String, val repo: String, val artifact: String) |
| data class Artifacts(val artifacts: List<Artifact>) |
| |
| // Read origin.json. |
| val json = readString(getOriginJson()); |
| val artifacts = Gson().fromJson(json, Artifacts::class.java); |
| return URI.create(artifacts.artifacts.get(0).repo) |
| } |
| }) |
| } |
| |
| val consolidatedLicense by registering { |
| dependsOn(gradle.includedBuild("shared").task(":downloadDeps")) |
| dependsOn(gradle.includedBuild("shared").task(":downloadTestDeps")) |
| val root = getRoot() |
| val r8License = root.resolve("LICENSE") |
| val libraryLicense = root.resolve("LIBRARY-LICENSE") |
| val libraryLicenseFiles = fileTree(root.resolve("library-licensing")) |
| inputs.files( |
| listOf(r8License, libraryLicense), |
| libraryLicenseFiles, |
| mainJarDependencies().map(::zipTree)) |
| |
| val license = getRoot().resolveAll("build", "generatedLicense", "LICENSE") |
| outputs.files(license) |
| val dependencies = mutableListOf<String>() |
| configurations |
| .findByName("runtimeClasspath")!! |
| .resolvedConfiguration |
| .resolvedArtifacts |
| .forEach { |
| val identifier = it.id.componentIdentifier |
| if (identifier is ModuleComponentIdentifier) { |
| dependencies.add("${identifier.group}:${identifier.module}") |
| } |
| } |
| |
| doLast { |
| val libraryLicenses = libraryLicense.readText() |
| dependencies.forEach { |
| if (!libraryLicenses.contains("- artifact: $it")) { |
| throw GradleException("No license for $it in LIBRARY_LICENSE") |
| } |
| } |
| license.getParentFile().mkdirs() |
| license.createNewFile() |
| license.writeText(buildString { |
| append("This file lists all licenses for code distributed.\n") |
| .append("All non-library code has the following 3-Clause BSD license.\n") |
| .append("\n") |
| .append("\n") |
| .append(r8License.readText()) |
| .append("\n") |
| .append("\n") |
| .append("Summary of distributed libraries:\n") |
| .append("\n") |
| .append(libraryLicenses) |
| .append("\n") |
| .append("\n") |
| .append("Licenses details:\n") |
| libraryLicenseFiles.sorted().forEach { file -> |
| append("\n").append("\n").append(file.readText()) |
| } |
| }) |
| } |
| } |
| |
| val swissArmyKnife by registering(Jar::class) { |
| dependsOn(keepAnnoJarTask) |
| dependsOn(assistantJarTask) |
| dependsOn(resourceShrinkerJarTask) |
| dependsOn(gradle.includedBuild("shared").task(":downloadDeps")) |
| from(sourceSets.main.get().output) |
| exclude("com/android/tools/r8/threading/providers/**") |
| from(keepAnnoJarTask.outputs.files.map(::zipTree)) |
| from(assistantJarTask.outputs.files.map(::zipTree)) |
| from(resourceShrinkerJarTask.outputs.files.map(::zipTree)) |
| from(getRoot().resolve("LICENSE")) |
| entryCompression = ZipEntryCompression.STORED |
| manifest { |
| attributes["Main-Class"] = "com.android.tools.r8.SwissArmyKnife" |
| } |
| exclude("META-INF/*.kotlin_module") |
| exclude("**/*.kotlin_metadata") |
| exclude("keepspec.proto") |
| destinationDirectory.set(getRoot().resolveAll("build", "libs")) |
| archiveFileName.set("r8-full-exclude-deps.jar") |
| } |
| |
| val threadingModuleBlockingJar by registering(Zip::class) { |
| from(sourceSets.main.get().output) |
| include("com/android/tools/r8/threading/providers/blocking/**") |
| destinationDirectory.set(getRoot().resolveAll("build", "libs")) |
| archiveFileName.set("threading-module-blocking.jar") |
| } |
| |
| val threadingModuleSingleThreadedJar by registering(Zip::class) { |
| from(sourceSets.main.get().output) |
| include("com/android/tools/r8/threading/providers/singlethreaded/**") |
| destinationDirectory.set(getRoot().resolveAll("build", "libs")) |
| archiveFileName.set("threading-module-single-threaded.jar") |
| } |
| |
| val depsJar by registering(Zip::class) { |
| from(sourceSets["turbo"].output) |
| dependsOn(gradle.includedBuild("shared").task(":downloadDeps")) |
| dependsOn(resourceShrinkerDepsTask) |
| dependsOn(threadingModuleBlockingJar) |
| dependsOn(threadingModuleSingleThreadedJar) |
| from(threadingModuleBlockingJar.get().outputs.getFiles().map(::zipTree)) |
| from(threadingModuleSingleThreadedJar.get().outputs.getFiles().map(::zipTree)) |
| from(mainJarDependencies().map(::zipTree)) |
| from(resourceShrinkerDepsTask.outputs.files.map(::zipTree)) |
| from(consolidatedLicense) |
| exclude("**/module-info.class") |
| exclude("**/*.kotlin_metadata") |
| exclude("META-INF/*.kotlin_module") |
| exclude("META-INF/com.android.tools/**") |
| exclude("META-INF/LICENSE*") |
| exclude("META-INF/MANIFEST.MF") |
| exclude("META-INF/kotlinx_coroutines_core.version") |
| exclude("META-INF/androidx/**/LICENSE.txt") |
| exclude("META-INF/maven/**") |
| exclude("META-INF/proguard/**") |
| exclude("META-INF/versions/**") |
| exclude("META-INF/services/kotlin.reflect.**") |
| exclude("**/*.xml") |
| exclude("com/android/version.properties") |
| exclude("NOTICE") |
| exclude("README.md") |
| exclude("javax/annotation/**") |
| exclude("wireless/**") |
| exclude("google/protobuf/**") |
| exclude("DebugProbesKt.bin") |
| |
| // Disabling compression makes this step go from 4s -> 2s as of Nov 2025, |
| // as measured by "gradle --profile". |
| entryCompression = ZipEntryCompression.STORED |
| |
| duplicatesStrategy = DuplicatesStrategy.EXCLUDE |
| archiveFileName.set("deps.jar") |
| } |
| |
| val swissArmyKnifeWithoutLicense by registering(Zip::class) { |
| dependsOn(swissArmyKnife) |
| from(swissArmyKnife.get().outputs.files.map(::zipTree)) |
| exclude("LICENSE") |
| exclude("androidx/") |
| exclude("androidx/annotation/") |
| exclude("androidx/annotation/keep/**") |
| archiveFileName.set("swiss-army-no-license.jar") |
| } |
| |
| fun relocateDepsExceptAsm(pkg: String): List<String> { |
| return listOf("--map", |
| "android.aapt.**->${pkg}.android.aapt", |
| "--map", |
| "androidx.annotation.**->${pkg}.androidx.annotation", |
| "--map", |
| "androidx.collection.**->${pkg}.androidx.collection", |
| "--map", |
| "androidx.tracing.**->${pkg}.androidx.tracing", |
| "--map", |
| "com.android.**->${pkg}.com.android", |
| "--map", |
| "com.android.build.shrinker.**->${pkg}.resourceshrinker", |
| "--map", |
| "com.google.common.**->${pkg}.com.google.common", |
| "--map", |
| "com.google.gson.**->${pkg}.com.google.gson", |
| "--map", |
| "com.google.thirdparty.**->${pkg}.com.google.thirdparty", |
| "--map", |
| "com.squareup.wire.**->${pkg}.com.squareup.wire", |
| "--map", |
| "it.unimi.dsi.fastutil.**->${pkg}.it.unimi.dsi.fastutil", |
| "--map", |
| "kotlin.**->${pkg}.jetbrains.kotlin", |
| "--map", |
| "kotlinx.**->${pkg}.jetbrains.kotlinx", |
| "--map", |
| "okio.**->${pkg}.okio", |
| "--map", |
| "org.jetbrains.**->${pkg}.org.jetbrains", |
| "--map", |
| "org.intellij.**->${pkg}.org.intellij", |
| "--map", |
| "org.checkerframework.**->${pkg}.org.checkerframework", |
| "--map", |
| "com.google.j2objc.**->${pkg}.com.google.j2objc", |
| "--map", |
| "com.google.protobuf.**->${pkg}.com.google.protobuf", |
| "--map", |
| "perfetto.protos.**->${pkg}.perfetto.protos", |
| "--map", |
| "org.jspecify.annotations.**->${pkg}.org.jspecify.annotations", |
| "--map", |
| "_COROUTINE.**->${pkg}._COROUTINE") |
| } |
| |
| val r8WithRelocatedDeps by registering(Exec::class) { |
| dependsOn(depsJar) |
| dependsOn(swissArmyKnifeWithoutLicense) |
| val swissArmy = swissArmyKnifeWithoutLicense.get().outputs.files.singleFile |
| val deps = depsJar.get().outputs.files.singleFile |
| inputs.files(listOf(swissArmy, deps)) |
| val output = getRoot().resolveAll("build", "libs", "r8.jar") |
| outputs.file(output) |
| val pkg = "com.android.tools.r8" |
| commandLine = baseCompilerCommandLine( |
| swissArmy, |
| deps, |
| "relocator", |
| listOf("--input", |
| "$swissArmy", |
| "--input", |
| "$deps", |
| "--output", |
| "$output", |
| // Add identity mapping to enforce no relocation of things already in package |
| // com.android.tools.r8. |
| "--map", |
| "com.android.tools.r8.**->${pkg}", |
| // Add identity for the public annotation surface of keepanno |
| "--map", |
| "com.android.tools.r8.keepanno.annotations.**->${pkg}.keepanno.annotations", |
| // Explicitly move all other keepanno utilities. |
| "--map", |
| "com.android.tools.r8.keepanno.**->${pkg}.relocated.keepanno", |
| "--map", |
| "org.objectweb.asm.**->${pkg}.org.objectweb.asm") |
| + relocateDepsExceptAsm(pkg) |
| ) |
| } |
| |
| |
| val keepAnnoToolsWithRelocatedDeps by registering(Exec::class) { |
| dependsOn(depsJar) |
| dependsOn(swissArmyKnifeWithoutLicense) |
| dependsOn(keepAnnoDepsJarExceptAsm) |
| dependsOn(keepAnnoToolsJar) |
| val swissArmy = swissArmyKnifeWithoutLicense.get().outputs.files.singleFile |
| val deps = depsJar.get().outputs.files.singleFile |
| val keepAnnoDeps = keepAnnoDepsJarExceptAsm.outputs.files.singleFile |
| val tools = keepAnnoToolsJar.outputs.files.singleFile |
| inputs.files(listOf(tools, keepAnnoDeps)) |
| val output = getRoot().resolveAll("build", "libs", "keepanno-tools.jar") |
| outputs.file(output) |
| val pkg = "com.android.tools.r8.keepanno" |
| commandLine = baseCompilerCommandLine( |
| swissArmy, |
| deps, |
| "relocator", |
| listOf("--input", |
| "$tools", |
| "--input", |
| "$keepAnnoDeps", |
| "--output", |
| "$output", |
| // Add identity mapping to enforce no relocation of things already in package |
| // com.android.tools.r8.keepanno |
| "--map", |
| "com.android.tools.r8.keepanno.**->${pkg}") |
| + relocateDepsExceptAsm(pkg) |
| ) |
| } |
| } |
| |
| tasks.withType<KotlinCompile> { |
| enabled = false |
| } |
| |
| fun enableCheck(task: JavaCompile, warning: String) { |
| if (treatWarningsAsErrors) { |
| task.options.errorprone.error(warning) |
| } else { |
| task.options.errorprone.warn(warning) |
| } |
| } |
| |
| tasks.withType<JavaCompile> { |
| dependsOn(gradle.includedBuild("shared").task(":downloadDeps")) |
| println("NOTE: Running with JDK: " + org.gradle.internal.jvm.Jvm.current().javaHome) |
| |
| // Enable error prone for D8/R8 main sources. |
| options.errorprone.isEnabled.set(enableErrorProne) |
| |
| if (enableErrorProne) { |
| // Non-default / Experimental checks - explicitly enforced. |
| enableCheck(this, "RemoveUnusedImports") |
| enableCheck(this, "InconsistentOverloads") |
| enableCheck(this, "MissingDefault") |
| enableCheck(this, "MultipleTopLevelClasses") |
| enableCheck(this, "NarrowingCompoundAssignment") |
| |
| // Warnings that cause unwanted edits (e.g., inability to write informative asserts). |
| options.errorprone.disable("AlreadyChecked") |
| |
| // JavaDoc related warnings. Would be nice to resolve but of no real consequence. |
| options.errorprone.disable("InvalidLink") |
| options.errorprone.disable("InvalidBlockTag") |
| options.errorprone.disable("InvalidInlineTag") |
| options.errorprone.disable("EmptyBlockTag") |
| options.errorprone.disable("MissingSummary") |
| options.errorprone.disable("UnrecognisedJavadocTag") |
| options.errorprone.disable("AlmostJavadoc") |
| |
| // Moving away from identity and canonical items is not planned. |
| options.errorprone.disable("IdentityHashMapUsage") |
| |
| if (treatWarningsAsErrors) { |
| options.errorprone.allErrorsAsWarnings = true |
| } |
| } |
| |
| // Make all warnings errors. Warnings that we have chosen not to fix (or suppress) are disabled |
| // outright below. |
| if (treatWarningsAsErrors) { |
| options.compilerArgs.add("-Werror") |
| } |
| |
| // Increase number of reported errors to 1000 (default is 100). |
| options.compilerArgs.add("-Xmaxerrs") |
| options.compilerArgs.add("1000") |
| } |