// Copyright 2021 Google Inc. 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. package java import ( "fmt" "path/filepath" "strconv" "strings" "android/soong/ui/metrics/bp2build_metrics_proto" "github.com/google/blueprint/pathtools" "github.com/google/blueprint/proptools" "android/soong/android" "android/soong/dexpreopt" "android/soong/java/config" ) // This file contains the definition and the implementation of the base module that most // source-based Java module structs embed. // TODO: // Autogenerated files: // Renderscript // Post-jar passes: // Proguard // Rmtypedefs // DroidDoc // Findbugs // Properties that are common to most Java modules, i.e. whether it's a host or device module. type CommonProperties struct { // list of source files used to compile the Java module. May be .java, .kt, .logtags, .proto, // or .aidl files. Srcs []string `android:"path,arch_variant"` // list Kotlin of source files containing Kotlin code that should be treated as common code in // a codebase that supports Kotlin multiplatform. See // https://kotlinlang.org/docs/reference/multiplatform.html. May be only be .kt files. Common_srcs []string `android:"path,arch_variant"` // list of source files that should not be used to build the Java module. // This is most useful in the arch/multilib variants to remove non-common files Exclude_srcs []string `android:"path,arch_variant"` // list of directories containing Java resources Java_resource_dirs []string `android:"arch_variant"` // list of directories that should be excluded from java_resource_dirs Exclude_java_resource_dirs []string `android:"arch_variant"` // list of files to use as Java resources Java_resources []string `android:"path,arch_variant"` // list of files that should be excluded from java_resources and java_resource_dirs Exclude_java_resources []string `android:"path,arch_variant"` // list of module-specific flags that will be used for javac compiles Javacflags []string `android:"arch_variant"` // list of module-specific flags that will be used for kotlinc compiles Kotlincflags []string `android:"arch_variant"` // list of java libraries that will be in the classpath Libs []string `android:"arch_variant"` // list of java libraries that will be compiled into the resulting jar Static_libs []string `android:"arch_variant"` // list of java libraries that should not be used to build this module Exclude_static_libs []string `android:"arch_variant"` // manifest file to be included in resulting jar Manifest *string `android:"path"` // if not blank, run jarjar using the specified rules file Jarjar_rules *string `android:"path,arch_variant"` // If not blank, set the java version passed to javac as -source and -target Java_version *string // If set to true, allow this module to be dexed and installed on devices. Has no // effect on host modules, which are always considered installable. Installable *bool // If set to true, include sources used to compile the module in to the final jar Include_srcs *bool // If not empty, classes are restricted to the specified packages and their sub-packages. // This restriction is checked after applying jarjar rules and including static libs. Permitted_packages []string // List of modules to use as annotation processors Plugins []string // List of modules to export to libraries that directly depend on this library as annotation // processors. Note that if the plugins set generates_api: true this will disable the turbine // optimization on modules that depend on this module, which will reduce parallelism and cause // more recompilation. Exported_plugins []string // The number of Java source entries each Javac instance can process Javac_shard_size *int64 // Add host jdk tools.jar to bootclasspath Use_tools_jar *bool Openjdk9 struct { // List of source files that should only be used when passing -source 1.9 or higher Srcs []string `android:"path"` // List of javac flags that should only be used when passing -source 1.9 or higher Javacflags []string } // When compiling language level 9+ .java code in packages that are part of // a system module, patch_module names the module that your sources and // dependencies should be patched into. The Android runtime currently // doesn't implement the JEP 261 module system so this option is only // supported at compile time. It should only be needed to compile tests in // packages that exist in libcore and which are inconvenient to move // elsewhere. Patch_module *string Jacoco struct { // List of classes to include for instrumentation with jacoco to collect coverage // information at runtime when building with coverage enabled. If unset defaults to all // classes. // Supports '*' as the last character of an entry in the list as a wildcard match. // If preceded by '.' it matches all classes in the package and subpackages, otherwise // it matches classes in the package that have the class name as a prefix. Include_filter []string // List of classes to exclude from instrumentation with jacoco to collect coverage // information at runtime when building with coverage enabled. Overrides classes selected // by the include_filter property. // Supports '*' as the last character of an entry in the list as a wildcard match. // If preceded by '.' it matches all classes in the package and subpackages, otherwise // it matches classes in the package that have the class name as a prefix. Exclude_filter []string } Errorprone struct { // List of javac flags that should only be used when running errorprone. Javacflags []string // List of java_plugin modules that provide extra errorprone checks. Extra_check_modules []string // This property can be in 3 states. When set to true, errorprone will // be run during the regular build. When set to false, errorprone will // never be run. When unset, errorprone will be run when the RUN_ERROR_PRONE // environment variable is true. Setting this to false will improve build // performance more than adding -XepDisableAllChecks in javacflags. Enabled *bool } Proto struct { // List of extra options that will be passed to the proto generator. Output_params []string } // If true, then jacocoagent is automatically added as a libs dependency so that // r8 will not strip instrumentation classes out of dexed libraries. Instrument bool `blueprint:"mutated"` // If true, then the module supports statically including the jacocoagent // into the library. Supports_static_instrumentation bool `blueprint:"mutated"` // List of files to include in the META-INF/services folder of the resulting jar. Services []string `android:"path,arch_variant"` // If true, package the kotlin stdlib into the jar. Defaults to true. Static_kotlin_stdlib *bool `android:"arch_variant"` // A list of java_library instances that provide additional hiddenapi annotations for the library. Hiddenapi_additional_annotations []string // Additional srcJars tacked in by GeneratedJavaLibraryModule Generated_srcjars []android.Path `android:"mutated"` // If true, then only the headers are built and not the implementation jar. Headers_only *bool } // Properties that are specific to device modules. Host module factories should not add these when // constructing a new module. type DeviceProperties struct { // If not blank, set to the version of the sdk to compile against. // Defaults to an empty string, which compiles the module against the private platform APIs. // Values are of one of the following forms: // 1) numerical API level, "current", "none", or "core_platform" // 2) An SDK kind with an API level: "_" // See build/soong/android/sdk_version.go for the complete and up to date list of SDK kinds. // If the SDK kind is empty, it will be set to public. Sdk_version *string // if not blank, set the minimum version of the sdk that the compiled artifacts will run against. // Defaults to sdk_version if not set. See sdk_version for possible values. Min_sdk_version *string // if not blank, set the maximum version of the sdk that the compiled artifacts will run against. // Defaults to empty string "". See sdk_version for possible values. Max_sdk_version *string // if not blank, set the maxSdkVersion properties of permission and uses-permission tags. // Defaults to empty string "". See sdk_version for possible values. Replace_max_sdk_version_placeholder *string // if not blank, set the targetSdkVersion in the AndroidManifest.xml. // Defaults to sdk_version if not set. See sdk_version for possible values. Target_sdk_version *string // Whether to compile against the platform APIs instead of an SDK. // If true, then sdk_version must be empty. The value of this field // is ignored when module's type isn't android_app, android_test, or android_test_helper_app. Platform_apis *bool Aidl struct { // Top level directories to pass to aidl tool Include_dirs []string // Directories rooted at the Android.bp file to pass to aidl tool Local_include_dirs []string // directories that should be added as include directories for any aidl sources of modules // that depend on this module, as well as to aidl for this module. Export_include_dirs []string // whether to generate traces (for systrace) for this interface Generate_traces *bool // whether to generate Binder#GetTransaction name method. Generate_get_transaction_name *bool // whether all interfaces should be annotated with required permissions. Enforce_permissions *bool // allowlist for interfaces that (temporarily) do not require annotation for permissions. Enforce_permissions_exceptions []string `android:"path"` // list of flags that will be passed to the AIDL compiler Flags []string } // If true, export a copy of the module as a -hostdex module for host testing. Hostdex *bool Target struct { Hostdex struct { // Additional required dependencies to add to -hostdex modules. Required []string } } // When targeting 1.9 and above, override the modules to use with --system, // otherwise provides defaults libraries to add to the bootclasspath. System_modules *string IsSDKLibrary bool `blueprint:"mutated"` // If true, generate the signature file of APK Signing Scheme V4, along side the signed APK file. // Defaults to false. V4_signature *bool // Only for libraries created by a sysprop_library module, SyspropPublicStub is the name of the // public stubs library. SyspropPublicStub string `blueprint:"mutated"` HiddenAPIPackageProperties HiddenAPIFlagFileProperties } // Device properties that can be overridden by overriding module (e.g. override_android_app) type OverridableDeviceProperties struct { // set the name of the output. If not set, `name` is used. // To override a module with this property set, overriding module might need to set this as well. // Otherwise, both the overridden and the overriding modules will have the same output name, which // can cause the duplicate output error. Stem *string } // Functionality common to Module and Import // // It is embedded in Module so its functionality can be used by methods in Module // but it is currently only initialized by Import and Library. type embeddableInModuleAndImport struct { // Functionality related to this being used as a component of a java_sdk_library. EmbeddableSdkLibraryComponent } func (e *embeddableInModuleAndImport) initModuleAndImport(module android.Module) { e.initSdkLibraryComponent(module) } // Module/Import's DepIsInSameApex(...) delegates to this method. // // This cannot implement DepIsInSameApex(...) directly as that leads to ambiguity with // the one provided by ApexModuleBase. func (e *embeddableInModuleAndImport) depIsInSameApex(ctx android.BaseModuleContext, dep android.Module) bool { // dependencies other than the static linkage are all considered crossing APEX boundary if staticLibTag == ctx.OtherModuleDependencyTag(dep) { return true } return false } // OptionalDexJarPath can be either unset, hold a valid path to a dex jar file, // or an invalid path describing the reason it is invalid. // // It is unset if a dex jar isn't applicable, i.e. no build rule has been // requested to create one. // // If a dex jar has been requested to be built then it is set, and it may be // either a valid android.Path, or invalid with a reason message. The latter // happens if the source that should produce the dex file isn't able to. // // E.g. it is invalid with a reason message if there is a prebuilt APEX that // could produce the dex jar through a deapexer module, but the APEX isn't // installable so doing so wouldn't be safe. type OptionalDexJarPath struct { isSet bool path android.OptionalPath } // IsSet returns true if a path has been set, either invalid or valid. func (o OptionalDexJarPath) IsSet() bool { return o.isSet } // Valid returns true if there is a path that is valid. func (o OptionalDexJarPath) Valid() bool { return o.isSet && o.path.Valid() } // Path returns the valid path, or panics if it's either not set or is invalid. func (o OptionalDexJarPath) Path() android.Path { if !o.isSet { panic("path isn't set") } return o.path.Path() } // PathOrNil returns the path if it's set and valid, or else nil. func (o OptionalDexJarPath) PathOrNil() android.Path { if o.Valid() { return o.Path() } return nil } // InvalidReason returns the reason for an invalid path, which is never "". It // returns "" for an unset or valid path. func (o OptionalDexJarPath) InvalidReason() string { if !o.isSet { return "" } return o.path.InvalidReason() } func (o OptionalDexJarPath) String() string { if !o.isSet { return "" } return o.path.String() } // makeUnsetDexJarPath returns an unset OptionalDexJarPath. func makeUnsetDexJarPath() OptionalDexJarPath { return OptionalDexJarPath{isSet: false} } // makeDexJarPathFromOptionalPath returns an OptionalDexJarPath that is set with // the given OptionalPath, which may be valid or invalid. func makeDexJarPathFromOptionalPath(path android.OptionalPath) OptionalDexJarPath { return OptionalDexJarPath{isSet: true, path: path} } // makeDexJarPathFromPath returns an OptionalDexJarPath that is set with the // valid given path. It returns an unset OptionalDexJarPath if the given path is // nil. func makeDexJarPathFromPath(path android.Path) OptionalDexJarPath { if path == nil { return makeUnsetDexJarPath() } return makeDexJarPathFromOptionalPath(android.OptionalPathForPath(path)) } // Module contains the properties and members used by all java module types type Module struct { android.ModuleBase android.DefaultableModuleBase android.ApexModuleBase android.BazelModuleBase // Functionality common to Module and Import. embeddableInModuleAndImport properties CommonProperties protoProperties android.ProtoProperties deviceProperties DeviceProperties overridableDeviceProperties OverridableDeviceProperties // jar file containing header classes including static library dependencies, suitable for // inserting into the bootclasspath/classpath of another compile headerJarFile android.Path // jar file containing implementation classes including static library dependencies but no // resources implementationJarFile android.Path // jar file containing only resources including from static library dependencies resourceJar android.Path // args and dependencies to package source files into a srcjar srcJarArgs []string srcJarDeps android.Paths // the source files of this module and all its static dependencies transitiveSrcFiles *android.DepSet[android.Path] // jar file containing implementation classes and resources including static library // dependencies implementationAndResourcesJar android.Path // output file containing classes.dex and resources dexJarFile OptionalDexJarPath // output file containing uninstrumented classes that will be instrumented by jacoco jacocoReportClassesFile android.Path // output file of the module, which may be a classes jar or a dex jar outputFile android.Path extraOutputFiles android.Paths exportAidlIncludeDirs android.Paths ignoredAidlPermissionList android.Paths logtagsSrcs android.Paths // installed file for binary dependency installFile android.Path // installed file for hostdex copy hostdexInstallFile android.InstallPath // list of unique .java and .kt source files uniqueSrcFiles android.Paths // list of srcjars that was passed to javac compiledSrcJars android.Paths // manifest file to use instead of properties.Manifest overrideManifest android.OptionalPath // list of plugins that this java module is exporting exportedPluginJars android.Paths // list of plugins that this java module is exporting exportedPluginClasses []string // if true, the exported plugins generate API and require disabling turbine. exportedDisableTurbine bool // list of source files, collected from srcFiles with unique java and all kt files, // will be used by android.IDEInfo struct expandIDEInfoCompiledSrcs []string // expanded Jarjar_rules expandJarjarRules android.Path // Extra files generated by the module type to be added as java resources. extraResources android.Paths hiddenAPI dexer dexpreopter usesLibrary linter // list of the xref extraction files kytheFiles android.Paths // Collect the module directory for IDE info in java/jdeps.go. modulePaths []string hideApexVariantFromMake bool sdkVersion android.SdkSpec minSdkVersion android.ApiLevel maxSdkVersion android.ApiLevel sourceExtensions []string annoSrcJars android.Paths // output file name based on Stem property. // This should be set in every ModuleWithStem's GenerateAndroidBuildActions // or the module should override Stem(). stem string // Aconfig "cache files" that went directly into this module. Transitive ones are // tracked via JavaInfo.TransitiveAconfigFiles // TODO: Extract to something standalone to propagate tags via GeneratedJavaLibraryModule aconfigIntermediates android.Paths // Aconfig files for all transitive deps. Also exposed via JavaInfo transitiveAconfigFiles *android.DepSet[android.Path] } func (j *Module) CheckStableSdkVersion(ctx android.BaseModuleContext) error { sdkVersion := j.SdkVersion(ctx) if sdkVersion.Stable() { return nil } if sdkVersion.Kind == android.SdkCorePlatform { if useLegacyCorePlatformApi(ctx, j.BaseModuleName()) { return fmt.Errorf("non stable SDK %v - uses legacy core platform", sdkVersion) } else { // Treat stable core platform as stable. return nil } } else { return fmt.Errorf("non stable SDK %v", sdkVersion) } } // checkSdkVersions enforces restrictions around SDK dependencies. func (j *Module) checkSdkVersions(ctx android.ModuleContext) { if j.RequiresStableAPIs(ctx) { if sc, ok := ctx.Module().(android.SdkContext); ok { if !sc.SdkVersion(ctx).Specified() { ctx.PropertyErrorf("sdk_version", "sdk_version must have a value when the module is located at vendor or product(only if PRODUCT_ENFORCE_PRODUCT_PARTITION_INTERFACE is set).") } } } // Make sure this module doesn't statically link to modules with lower-ranked SDK link type. // See rank() for details. ctx.VisitDirectDeps(func(module android.Module) { tag := ctx.OtherModuleDependencyTag(module) switch module.(type) { // TODO(satayev): cover other types as well, e.g. imports case *Library, *AndroidLibrary: switch tag { case bootClasspathTag, sdkLibTag, libTag, staticLibTag, java9LibTag: j.checkSdkLinkType(ctx, module.(moduleWithSdkDep), tag.(dependencyTag)) } } }) } func (j *Module) checkPlatformAPI(ctx android.ModuleContext) { if sc, ok := ctx.Module().(android.SdkContext); ok { usePlatformAPI := proptools.Bool(j.deviceProperties.Platform_apis) sdkVersionSpecified := sc.SdkVersion(ctx).Specified() if usePlatformAPI && sdkVersionSpecified { ctx.PropertyErrorf("platform_apis", "This module has conflicting settings. sdk_version is not empty, which means this module cannot use platform APIs. However platform_apis is set to true.") } else if !usePlatformAPI && !sdkVersionSpecified { ctx.PropertyErrorf("platform_apis", "This module has conflicting settings. sdk_version is empty, which means that this module is build against platform APIs. However platform_apis is not set to true") } } } func (j *Module) checkHeadersOnly(ctx android.ModuleContext) { if _, ok := ctx.Module().(android.SdkContext); ok { headersOnly := proptools.Bool(j.properties.Headers_only) installable := proptools.Bool(j.properties.Installable) if headersOnly && installable { ctx.PropertyErrorf("headers_only", "This module has conflicting settings. headers_only is true which, which means this module doesn't generate an implementation jar. However installable is set to true.") } } } func (j *Module) addHostProperties() { j.AddProperties( &j.properties, &j.protoProperties, &j.usesLibraryProperties, ) } func (j *Module) addHostAndDeviceProperties() { j.addHostProperties() j.AddProperties( &j.deviceProperties, &j.overridableDeviceProperties, &j.dexer.dexProperties, &j.dexpreoptProperties, &j.linter.properties, ) } // provideHiddenAPIPropertyInfo populates a HiddenAPIPropertyInfo from hidden API properties and // makes it available through the hiddenAPIPropertyInfoProvider. func (j *Module) provideHiddenAPIPropertyInfo(ctx android.ModuleContext) { hiddenAPIInfo := newHiddenAPIPropertyInfo() // Populate with flag file paths from the properties. hiddenAPIInfo.extractFlagFilesFromProperties(ctx, &j.deviceProperties.HiddenAPIFlagFileProperties) // Populate with package rules from the properties. hiddenAPIInfo.extractPackageRulesFromProperties(&j.deviceProperties.HiddenAPIPackageProperties) ctx.SetProvider(hiddenAPIPropertyInfoProvider, hiddenAPIInfo) } func (j *Module) OutputFiles(tag string) (android.Paths, error) { switch tag { case "": return append(android.Paths{j.outputFile}, j.extraOutputFiles...), nil case android.DefaultDistTag: return android.Paths{j.outputFile}, nil case ".jar": return android.Paths{j.implementationAndResourcesJar}, nil case ".hjar": return android.Paths{j.headerJarFile}, nil case ".proguard_map": if j.dexer.proguardDictionary.Valid() { return android.Paths{j.dexer.proguardDictionary.Path()}, nil } return nil, fmt.Errorf("%q was requested, but no output file was found.", tag) case ".generated_srcjars": return j.properties.Generated_srcjars, nil case ".lint": if j.linter.outputs.xml != nil { return android.Paths{j.linter.outputs.xml}, nil } return nil, fmt.Errorf("%q was requested, but no output file was found.", tag) default: return nil, fmt.Errorf("unsupported module reference tag %q", tag) } } var _ android.OutputFileProducer = (*Module)(nil) func InitJavaModule(module android.DefaultableModule, hod android.HostOrDeviceSupported) { initJavaModule(module, hod, false) } func InitJavaModuleMultiTargets(module android.DefaultableModule, hod android.HostOrDeviceSupported) { initJavaModule(module, hod, true) } func initJavaModule(module android.DefaultableModule, hod android.HostOrDeviceSupported, multiTargets bool) { multilib := android.MultilibCommon if multiTargets { android.InitAndroidMultiTargetsArchModule(module, hod, multilib) } else { android.InitAndroidArchModule(module, hod, multilib) } android.InitDefaultableModule(module) } func (j *Module) shouldInstrument(ctx android.BaseModuleContext) bool { return j.properties.Instrument && ctx.Config().IsEnvTrue("EMMA_INSTRUMENT") && ctx.DeviceConfig().JavaCoverageEnabledForPath(ctx.ModuleDir()) } func (j *Module) shouldInstrumentStatic(ctx android.BaseModuleContext) bool { return j.properties.Supports_static_instrumentation && j.shouldInstrument(ctx) && (ctx.Config().IsEnvTrue("EMMA_INSTRUMENT_STATIC") || ctx.Config().UnbundledBuild()) } func (j *Module) shouldInstrumentInApex(ctx android.BaseModuleContext) bool { // Force enable the instrumentation for java code that is built for APEXes ... // except for the jacocoagent itself (because instrumenting jacocoagent using jacocoagent // doesn't make sense) or framework libraries (e.g. libraries found in the InstrumentFrameworkModules list) unless EMMA_INSTRUMENT_FRAMEWORK is true. apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo) isJacocoAgent := ctx.ModuleName() == "jacocoagent" if j.DirectlyInAnyApex() && !isJacocoAgent && !apexInfo.IsForPlatform() { if !inList(ctx.ModuleName(), config.InstrumentFrameworkModules) { return true } else if ctx.Config().IsEnvTrue("EMMA_INSTRUMENT_FRAMEWORK") { return true } } return false } func (j *Module) setInstrument(value bool) { j.properties.Instrument = value } func (j *Module) SdkVersion(ctx android.EarlyModuleContext) android.SdkSpec { return android.SdkSpecFrom(ctx, String(j.deviceProperties.Sdk_version)) } func (j *Module) SystemModules() string { return proptools.String(j.deviceProperties.System_modules) } func (j *Module) MinSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel { if j.deviceProperties.Min_sdk_version != nil { return android.ApiLevelFrom(ctx, *j.deviceProperties.Min_sdk_version) } return j.SdkVersion(ctx).ApiLevel } func (j *Module) GetDeviceProperties() *DeviceProperties { return &j.deviceProperties } func (j *Module) MaxSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel { if j.deviceProperties.Max_sdk_version != nil { return android.ApiLevelFrom(ctx, *j.deviceProperties.Max_sdk_version) } // Default is PrivateApiLevel return android.SdkSpecPrivate.ApiLevel } func (j *Module) ReplaceMaxSdkVersionPlaceholder(ctx android.EarlyModuleContext) android.ApiLevel { if j.deviceProperties.Replace_max_sdk_version_placeholder != nil { return android.ApiLevelFrom(ctx, *j.deviceProperties.Replace_max_sdk_version_placeholder) } // Default is PrivateApiLevel return android.SdkSpecPrivate.ApiLevel } func (j *Module) MinSdkVersionString() string { return j.minSdkVersion.String() } func (j *Module) TargetSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel { if j.deviceProperties.Target_sdk_version != nil { return android.ApiLevelFrom(ctx, *j.deviceProperties.Target_sdk_version) } return j.SdkVersion(ctx).ApiLevel } func (j *Module) AvailableFor(what string) bool { if what == android.AvailableToPlatform && Bool(j.deviceProperties.Hostdex) { // Exception: for hostdex: true libraries, the platform variant is created // even if it's not marked as available to platform. In that case, the platform // variant is used only for the hostdex and not installed to the device. return true } return j.ApexModuleBase.AvailableFor(what) } func (j *Module) deps(ctx android.BottomUpMutatorContext) { if ctx.Device() { j.linter.deps(ctx) sdkDeps(ctx, android.SdkContext(j), j.dexer) if j.deviceProperties.SyspropPublicStub != "" { // This is a sysprop implementation library that has a corresponding sysprop public // stubs library, and a dependency on it so that dependencies on the implementation can // be forwarded to the public stubs library when necessary. ctx.AddVariationDependencies(nil, syspropPublicStubDepTag, j.deviceProperties.SyspropPublicStub) } } libDeps := ctx.AddVariationDependencies(nil, libTag, j.properties.Libs...) j.properties.Static_libs = android.RemoveListFromList(j.properties.Static_libs, j.properties.Exclude_static_libs) ctx.AddVariationDependencies(nil, staticLibTag, j.properties.Static_libs...) // Add dependency on libraries that provide additional hidden api annotations. ctx.AddVariationDependencies(nil, hiddenApiAnnotationsTag, j.properties.Hiddenapi_additional_annotations...) if ctx.DeviceConfig().VndkVersion() != "" && ctx.Config().EnforceInterPartitionJavaSdkLibrary() { // Require java_sdk_library at inter-partition java dependency to ensure stable // interface between partitions. If inter-partition java_library dependency is detected, // raise build error because java_library doesn't have a stable interface. // // Inputs: // PRODUCT_ENFORCE_INTER_PARTITION_JAVA_SDK_LIBRARY // if true, enable enforcement // PRODUCT_INTER_PARTITION_JAVA_LIBRARY_ALLOWLIST // exception list of java_library names to allow inter-partition dependency for idx := range j.properties.Libs { if libDeps[idx] == nil { continue } if javaDep, ok := libDeps[idx].(javaSdkLibraryEnforceContext); ok { // java_sdk_library is always allowed at inter-partition dependency. // So, skip check. if _, ok := javaDep.(*SdkLibrary); ok { continue } j.checkPartitionsForJavaDependency(ctx, "libs", javaDep) } } } // For library dependencies that are component libraries (like stubs), add the implementation // as a dependency (dexpreopt needs to be against the implementation library, not stubs). for _, dep := range libDeps { if dep != nil { if component, ok := dep.(SdkLibraryComponentDependency); ok { if lib := component.OptionalSdkLibraryImplementation(); lib != nil { // Add library as optional if it's one of the optional compatibility libs. tag := usesLibReqTag if android.InList(*lib, dexpreopt.OptionalCompatUsesLibs) { tag = usesLibOptTag } ctx.AddVariationDependencies(nil, tag, *lib) } } } } ctx.AddFarVariationDependencies(ctx.Config().BuildOSCommonTarget.Variations(), pluginTag, j.properties.Plugins...) ctx.AddFarVariationDependencies(ctx.Config().BuildOSCommonTarget.Variations(), errorpronePluginTag, j.properties.Errorprone.Extra_check_modules...) ctx.AddFarVariationDependencies(ctx.Config().BuildOSCommonTarget.Variations(), exportedPluginTag, j.properties.Exported_plugins...) android.ProtoDeps(ctx, &j.protoProperties) if j.hasSrcExt(".proto") { protoDeps(ctx, &j.protoProperties) } if j.hasSrcExt(".kt") { // TODO(ccross): move this to a mutator pass that can tell if generated sources contain // Kotlin files ctx.AddVariationDependencies(nil, kotlinStdlibTag, "kotlin-stdlib", "kotlin-stdlib-jdk7", "kotlin-stdlib-jdk8") ctx.AddVariationDependencies(nil, kotlinAnnotationsTag, "kotlin-annotations") } // Framework libraries need special handling in static coverage builds: they should not have // static dependency on jacoco, otherwise there would be multiple conflicting definitions of // the same jacoco classes coming from different bootclasspath jars. if inList(ctx.ModuleName(), config.InstrumentFrameworkModules) { if ctx.Config().IsEnvTrue("EMMA_INSTRUMENT_FRAMEWORK") { j.properties.Instrument = true } } else if j.shouldInstrumentStatic(ctx) { ctx.AddVariationDependencies(nil, staticLibTag, "jacocoagent") } if j.useCompose() { ctx.AddVariationDependencies(ctx.Config().BuildOSCommonTarget.Variations(), kotlinPluginTag, "androidx.compose.compiler_compiler-hosted") } } func hasSrcExt(srcs []string, ext string) bool { for _, src := range srcs { if filepath.Ext(src) == ext { return true } } return false } func (j *Module) hasSrcExt(ext string) bool { return hasSrcExt(j.properties.Srcs, ext) } func (j *Module) individualAidlFlags(ctx android.ModuleContext, aidlFile android.Path) string { var flags string if Bool(j.deviceProperties.Aidl.Enforce_permissions) { if !android.InList(aidlFile.String(), j.ignoredAidlPermissionList.Strings()) { flags = "-Wmissing-permission-annotation -Werror" } } return flags } func (j *Module) aidlFlags(ctx android.ModuleContext, aidlPreprocess android.OptionalPath, aidlIncludeDirs android.Paths, aidlSrcs android.Paths) (string, android.Paths) { aidlIncludes := android.PathsForModuleSrc(ctx, j.deviceProperties.Aidl.Local_include_dirs) aidlIncludes = append(aidlIncludes, android.PathsForModuleSrc(ctx, j.deviceProperties.Aidl.Export_include_dirs)...) aidlIncludes = append(aidlIncludes, android.PathsForSource(ctx, j.deviceProperties.Aidl.Include_dirs)...) var flags []string var deps android.Paths var includeDirs android.Paths flags = append(flags, j.deviceProperties.Aidl.Flags...) if aidlPreprocess.Valid() { flags = append(flags, "-p"+aidlPreprocess.String()) deps = append(deps, aidlPreprocess.Path()) } else if len(aidlIncludeDirs) > 0 { includeDirs = append(includeDirs, aidlIncludeDirs...) } if len(j.exportAidlIncludeDirs) > 0 { includeDirs = append(includeDirs, j.exportAidlIncludeDirs...) } if len(aidlIncludes) > 0 { includeDirs = append(includeDirs, aidlIncludes...) } includeDirs = append(includeDirs, android.PathForModuleSrc(ctx)) if src := android.ExistentPathForSource(ctx, ctx.ModuleDir(), "src"); src.Valid() { includeDirs = append(includeDirs, src.Path()) } flags = append(flags, android.JoinWithPrefix(includeDirs.Strings(), "-I")) // add flags for dirs containing AIDL srcs that haven't been specified yet flags = append(flags, genAidlIncludeFlags(ctx, aidlSrcs, includeDirs)) sdkVersion := (j.SdkVersion(ctx)).Kind defaultTrace := ((sdkVersion == android.SdkSystemServer) || (sdkVersion == android.SdkCore) || (sdkVersion == android.SdkCorePlatform) || (sdkVersion == android.SdkModule) || (sdkVersion == android.SdkSystem)) if proptools.BoolDefault(j.deviceProperties.Aidl.Generate_traces, defaultTrace) { flags = append(flags, "-t") } if Bool(j.deviceProperties.Aidl.Generate_get_transaction_name) { flags = append(flags, "--transaction_names") } if Bool(j.deviceProperties.Aidl.Enforce_permissions) { exceptions := j.deviceProperties.Aidl.Enforce_permissions_exceptions j.ignoredAidlPermissionList = android.PathsForModuleSrcExcludes(ctx, exceptions, nil) } aidlMinSdkVersion := j.MinSdkVersion(ctx).String() flags = append(flags, "--min_sdk_version="+aidlMinSdkVersion) return strings.Join(flags, " "), deps } func (j *Module) collectBuilderFlags(ctx android.ModuleContext, deps deps) javaBuilderFlags { var flags javaBuilderFlags // javaVersion flag. flags.javaVersion = getJavaVersion(ctx, String(j.properties.Java_version), android.SdkContext(j)) epEnabled := j.properties.Errorprone.Enabled if (ctx.Config().RunErrorProne() && epEnabled == nil) || Bool(epEnabled) { if config.ErrorProneClasspath == nil && !ctx.Config().RunningInsideUnitTest() { ctx.ModuleErrorf("cannot build with Error Prone, missing external/error_prone?") } errorProneFlags := []string{ "-Xplugin:ErrorProne", "${config.ErrorProneChecks}", } errorProneFlags = append(errorProneFlags, j.properties.Errorprone.Javacflags...) flags.errorProneExtraJavacFlags = "${config.ErrorProneHeapFlags} ${config.ErrorProneFlags} " + "'" + strings.Join(errorProneFlags, " ") + "'" flags.errorProneProcessorPath = classpath(android.PathsForSource(ctx, config.ErrorProneClasspath)) } // classpath flags.bootClasspath = append(flags.bootClasspath, deps.bootClasspath...) flags.classpath = append(flags.classpath, deps.classpath...) flags.dexClasspath = append(flags.dexClasspath, deps.dexClasspath...) flags.java9Classpath = append(flags.java9Classpath, deps.java9Classpath...) flags.processorPath = append(flags.processorPath, deps.processorPath...) flags.errorProneProcessorPath = append(flags.errorProneProcessorPath, deps.errorProneProcessorPath...) flags.processors = append(flags.processors, deps.processorClasses...) flags.processors = android.FirstUniqueStrings(flags.processors) if len(flags.bootClasspath) == 0 && ctx.Host() && !flags.javaVersion.usesJavaModules() && decodeSdkDep(ctx, android.SdkContext(j)).hasStandardLibs() { // Give host-side tools a version of OpenJDK's standard libraries // close to what they're targeting. As of Dec 2017, AOSP is only // bundling OpenJDK 8 and 9, so nothing < 8 is available. // // When building with OpenJDK 8, the following should have no // effect since those jars would be available by default. // // When building with OpenJDK 9 but targeting a version < 1.8, // putting them on the bootclasspath means that: // a) code can't (accidentally) refer to OpenJDK 9 specific APIs // b) references to existing APIs are not reinterpreted in an // OpenJDK 9-specific way, eg. calls to subclasses of // java.nio.Buffer as in http://b/70862583 java8Home := ctx.Config().Getenv("ANDROID_JAVA8_HOME") flags.bootClasspath = append(flags.bootClasspath, android.PathForSource(ctx, java8Home, "jre/lib/jce.jar"), android.PathForSource(ctx, java8Home, "jre/lib/rt.jar")) if Bool(j.properties.Use_tools_jar) { flags.bootClasspath = append(flags.bootClasspath, android.PathForSource(ctx, java8Home, "lib/tools.jar")) } } // systemModules flags.systemModules = deps.systemModules return flags } func (j *Module) collectJavacFlags( ctx android.ModuleContext, flags javaBuilderFlags, srcFiles android.Paths) javaBuilderFlags { // javac flags. javacFlags := j.properties.Javacflags if ctx.Config().MinimizeJavaDebugInfo() && !ctx.Host() { // For non-host binaries, override the -g flag passed globally to remove // local variable debug info to reduce disk and memory usage. javacFlags = append(javacFlags, "-g:source,lines") } javacFlags = append(javacFlags, "-Xlint:-dep-ann") if flags.javaVersion.usesJavaModules() { javacFlags = append(javacFlags, j.properties.Openjdk9.Javacflags...) } else if len(j.properties.Openjdk9.Javacflags) > 0 { // java version defaults higher than openjdk 9, these conditionals should no longer be necessary ctx.PropertyErrorf("openjdk9.javacflags", "JDK version defaults to higher than 9") } if flags.javaVersion.usesJavaModules() { if j.properties.Patch_module != nil { // Manually specify build directory in case it is not under the repo root. // (javac doesn't seem to expand into symbolic links when searching for patch-module targets, so // just adding a symlink under the root doesn't help.) patchPaths := []string{".", ctx.Config().SoongOutDir()} // b/150878007 // // Workaround to support *Bazel-executed* JDK9 javac in Bazel's // execution root for --patch-module. If this javac command line is // invoked within Bazel's execution root working directory, the top // level directories (e.g. libcore/, tools/, frameworks/) are all // symlinks. JDK9 javac does not traverse into symlinks, which causes // --patch-module to fail source file lookups when invoked in the // execution root. // // Short of patching javac or enumerating *all* directories as possible // input dirs, manually add the top level dir of the source files to be // compiled. topLevelDirs := map[string]bool{} for _, srcFilePath := range srcFiles { srcFileParts := strings.Split(srcFilePath.String(), "/") // Ignore source files that are already in the top level directory // as well as generated files in the out directory. The out // directory may be an absolute path, which means srcFileParts[0] is the // empty string, so check that as well. Note that "out" in Bazel's execution // root is *not* a symlink, which doesn't cause problems for --patch-modules // anyway, so it's fine to not apply this workaround for generated // source files. if len(srcFileParts) > 1 && srcFileParts[0] != "" && srcFileParts[0] != "out" { topLevelDirs[srcFileParts[0]] = true } } patchPaths = append(patchPaths, android.SortedKeys(topLevelDirs)...) classPath := flags.classpath.FormJavaClassPath("") if classPath != "" { patchPaths = append(patchPaths, classPath) } javacFlags = append( javacFlags, "--patch-module="+String(j.properties.Patch_module)+"="+strings.Join(patchPaths, ":")) } } if len(javacFlags) > 0 { // optimization. ctx.Variable(pctx, "javacFlags", strings.Join(javacFlags, " ")) flags.javacFlags = "$javacFlags" } return flags } func (j *Module) AddJSONData(d *map[string]interface{}) { (&j.ModuleBase).AddJSONData(d) (*d)["Java"] = map[string]interface{}{ "SourceExtensions": j.sourceExtensions, } } func (j *Module) addGeneratedSrcJars(path android.Path) { j.properties.Generated_srcjars = append(j.properties.Generated_srcjars, path) } func (j *Module) compile(ctx android.ModuleContext, extraSrcJars, extraClasspathJars, extraCombinedJars android.Paths) { j.exportAidlIncludeDirs = android.PathsForModuleSrc(ctx, j.deviceProperties.Aidl.Export_include_dirs) deps := j.collectDeps(ctx) flags := j.collectBuilderFlags(ctx, deps) if flags.javaVersion.usesJavaModules() { j.properties.Srcs = append(j.properties.Srcs, j.properties.Openjdk9.Srcs...) } else if len(j.properties.Openjdk9.Javacflags) > 0 { // java version defaults higher than openjdk 9, these conditionals should no longer be necessary ctx.PropertyErrorf("openjdk9.srcs", "JDK version defaults to higher than 9") } srcFiles := android.PathsForModuleSrcExcludes(ctx, j.properties.Srcs, j.properties.Exclude_srcs) j.sourceExtensions = []string{} for _, ext := range []string{".kt", ".proto", ".aidl", ".java", ".logtags"} { if hasSrcExt(srcFiles.Strings(), ext) { j.sourceExtensions = append(j.sourceExtensions, ext) } } if hasSrcExt(srcFiles.Strings(), ".proto") { flags = protoFlags(ctx, &j.properties, &j.protoProperties, flags) } kotlinCommonSrcFiles := android.PathsForModuleSrcExcludes(ctx, j.properties.Common_srcs, nil) if len(kotlinCommonSrcFiles.FilterOutByExt(".kt")) > 0 { ctx.PropertyErrorf("common_srcs", "common_srcs must be .kt files") } aidlSrcs := srcFiles.FilterByExt(".aidl") flags.aidlFlags, flags.aidlDeps = j.aidlFlags(ctx, deps.aidlPreprocess, deps.aidlIncludeDirs, aidlSrcs) nonGeneratedSrcJars := srcFiles.FilterByExt(".srcjar") srcFiles = j.genSources(ctx, srcFiles, flags) // Collect javac flags only after computing the full set of srcFiles to // ensure that the --patch-module lookup paths are complete. flags = j.collectJavacFlags(ctx, flags, srcFiles) srcJars := srcFiles.FilterByExt(".srcjar") srcJars = append(srcJars, deps.srcJars...) srcJars = append(srcJars, extraSrcJars...) srcJars = append(srcJars, j.properties.Generated_srcjars...) srcFiles = srcFiles.FilterOutByExt(".srcjar") if j.properties.Jarjar_rules != nil { j.expandJarjarRules = android.PathForModuleSrc(ctx, *j.properties.Jarjar_rules) } jarName := j.Stem() + ".jar" var uniqueJavaFiles android.Paths set := make(map[string]bool) for _, v := range srcFiles.FilterByExt(".java") { if _, found := set[v.String()]; !found { set[v.String()] = true uniqueJavaFiles = append(uniqueJavaFiles, v) } } var uniqueKtFiles android.Paths for _, v := range srcFiles.FilterByExt(".kt") { if _, found := set[v.String()]; !found { set[v.String()] = true uniqueKtFiles = append(uniqueKtFiles, v) } } var uniqueSrcFiles android.Paths uniqueSrcFiles = append(uniqueSrcFiles, uniqueJavaFiles...) uniqueSrcFiles = append(uniqueSrcFiles, uniqueKtFiles...) j.uniqueSrcFiles = uniqueSrcFiles // We don't currently run annotation processors in turbine, which means we can't use turbine // generated header jars when an annotation processor that generates API is enabled. One // exception (handled further below) is when kotlin sources are enabled, in which case turbine // is used to run all of the annotation processors. disableTurbine := deps.disableTurbine // Collect .java and .kt files for AIDEGen j.expandIDEInfoCompiledSrcs = append(j.expandIDEInfoCompiledSrcs, uniqueSrcFiles.Strings()...) var kotlinJars android.Paths var kotlinHeaderJars android.Paths // Prepend extraClasspathJars to classpath so that the resource processor R.jar comes before // any dependencies so that it can override any non-final R classes from dependencies with the // final R classes from the app. flags.classpath = append(android.CopyOf(extraClasspathJars), flags.classpath...) // If compiling headers then compile them and skip the rest if proptools.Bool(j.properties.Headers_only) { if srcFiles.HasExt(".kt") { ctx.ModuleErrorf("Compiling headers_only with .kt not supported") } if ctx.Config().IsEnvFalse("TURBINE_ENABLED") || disableTurbine { ctx.ModuleErrorf("headers_only is enabled but Turbine is disabled.") } _, j.headerJarFile = j.compileJavaHeader(ctx, uniqueJavaFiles, srcJars, deps, flags, jarName, extraCombinedJars) if ctx.Failed() { return } ctx.SetProvider(JavaInfoProvider, JavaInfo{ HeaderJars: android.PathsIfNonNil(j.headerJarFile), TransitiveLibsHeaderJars: j.transitiveLibsHeaderJars, TransitiveStaticLibsHeaderJars: j.transitiveStaticLibsHeaderJars, AidlIncludeDirs: j.exportAidlIncludeDirs, ExportedPlugins: j.exportedPluginJars, ExportedPluginClasses: j.exportedPluginClasses, ExportedPluginDisableTurbine: j.exportedDisableTurbine, }) j.outputFile = j.headerJarFile return } if srcFiles.HasExt(".kt") { // When using kotlin sources turbine is used to generate annotation processor sources, // including for annotation processors that generate API, so we can use turbine for // java sources too. disableTurbine = false // user defined kotlin flags. kotlincFlags := j.properties.Kotlincflags CheckKotlincFlags(ctx, kotlincFlags) // Workaround for KT-46512 kotlincFlags = append(kotlincFlags, "-Xsam-conversions=class") // If there are kotlin files, compile them first but pass all the kotlin and java files // kotlinc will use the java files to resolve types referenced by the kotlin files, but // won't emit any classes for them. kotlincFlags = append(kotlincFlags, "-no-stdlib") if ctx.Device() { kotlincFlags = append(kotlincFlags, "-no-jdk") } for _, plugin := range deps.kotlinPlugins { kotlincFlags = append(kotlincFlags, "-Xplugin="+plugin.String()) } flags.kotlincDeps = append(flags.kotlincDeps, deps.kotlinPlugins...) if len(kotlincFlags) > 0 { // optimization. ctx.Variable(pctx, "kotlincFlags", strings.Join(kotlincFlags, " ")) flags.kotlincFlags += "$kotlincFlags" } // Collect common .kt files for AIDEGen j.expandIDEInfoCompiledSrcs = append(j.expandIDEInfoCompiledSrcs, kotlinCommonSrcFiles.Strings()...) flags.classpath = append(flags.classpath, deps.kotlinStdlib...) flags.classpath = append(flags.classpath, deps.kotlinAnnotations...) flags.kotlincClasspath = append(flags.kotlincClasspath, flags.bootClasspath...) flags.kotlincClasspath = append(flags.kotlincClasspath, flags.classpath...) if len(flags.processorPath) > 0 { // Use kapt for annotation processing kaptSrcJar := android.PathForModuleOut(ctx, "kapt", "kapt-sources.jar") kaptResJar := android.PathForModuleOut(ctx, "kapt", "kapt-res.jar") kotlinKapt(ctx, kaptSrcJar, kaptResJar, uniqueSrcFiles, kotlinCommonSrcFiles, srcJars, flags) srcJars = append(srcJars, kaptSrcJar) kotlinJars = append(kotlinJars, kaptResJar) // Disable annotation processing in javac, it's already been handled by kapt flags.processorPath = nil flags.processors = nil } kotlinJar := android.PathForModuleOut(ctx, "kotlin", jarName) kotlinHeaderJar := android.PathForModuleOut(ctx, "kotlin_headers", jarName) kotlinCompile(ctx, kotlinJar, kotlinHeaderJar, uniqueSrcFiles, kotlinCommonSrcFiles, srcJars, flags) if ctx.Failed() { return } // Make javac rule depend on the kotlinc rule flags.classpath = append(classpath{kotlinHeaderJar}, flags.classpath...) kotlinJars = append(kotlinJars, kotlinJar) kotlinHeaderJars = append(kotlinHeaderJars, kotlinHeaderJar) // Jar kotlin classes into the final jar after javac if BoolDefault(j.properties.Static_kotlin_stdlib, true) { kotlinJars = append(kotlinJars, deps.kotlinStdlib...) kotlinJars = append(kotlinJars, deps.kotlinAnnotations...) kotlinHeaderJars = append(kotlinHeaderJars, deps.kotlinStdlib...) kotlinHeaderJars = append(kotlinHeaderJars, deps.kotlinAnnotations...) } else { flags.dexClasspath = append(flags.dexClasspath, deps.kotlinStdlib...) flags.dexClasspath = append(flags.dexClasspath, deps.kotlinAnnotations...) } } jars := append(android.Paths(nil), kotlinJars...) j.compiledSrcJars = srcJars enableSharding := false var headerJarFileWithoutDepsOrJarjar android.Path if ctx.Device() && !ctx.Config().IsEnvFalse("TURBINE_ENABLED") && !disableTurbine { if j.properties.Javac_shard_size != nil && *(j.properties.Javac_shard_size) > 0 { enableSharding = true // Formerly, there was a check here that prevented annotation processors // from being used when sharding was enabled, as some annotation processors // do not function correctly in sharded environments. It was removed to // allow for the use of annotation processors that do function correctly // with sharding enabled. See: b/77284273. } extraJars := append(android.CopyOf(extraCombinedJars), kotlinHeaderJars...) headerJarFileWithoutDepsOrJarjar, j.headerJarFile = j.compileJavaHeader(ctx, uniqueJavaFiles, srcJars, deps, flags, jarName, extraJars) if ctx.Failed() { return } } if len(uniqueJavaFiles) > 0 || len(srcJars) > 0 { hasErrorproneableFiles := false for _, ext := range j.sourceExtensions { if ext != ".proto" && ext != ".aidl" { // Skip running errorprone on pure proto or pure aidl modules. Some modules take a long time to // compile, and it's not useful to have warnings on these generated sources. hasErrorproneableFiles = true break } } var extraJarDeps android.Paths if Bool(j.properties.Errorprone.Enabled) { // If error-prone is enabled, enable errorprone flags on the regular // build. flags = enableErrorproneFlags(flags) } else if hasErrorproneableFiles && ctx.Config().RunErrorProne() && j.properties.Errorprone.Enabled == nil { // Otherwise, if the RUN_ERROR_PRONE environment variable is set, create // a new jar file just for compiling with the errorprone compiler to. // This is because we don't want to cause the java files to get completely // rebuilt every time the state of the RUN_ERROR_PRONE variable changes. // We also don't want to run this if errorprone is enabled by default for // this module, or else we could have duplicated errorprone messages. errorproneFlags := enableErrorproneFlags(flags) errorprone := android.PathForModuleOut(ctx, "errorprone", jarName) errorproneAnnoSrcJar := android.PathForModuleOut(ctx, "errorprone", "anno.srcjar") transformJavaToClasses(ctx, errorprone, -1, uniqueJavaFiles, srcJars, errorproneAnnoSrcJar, errorproneFlags, nil, "errorprone", "errorprone") extraJarDeps = append(extraJarDeps, errorprone) } if enableSharding { if headerJarFileWithoutDepsOrJarjar != nil { flags.classpath = append(classpath{headerJarFileWithoutDepsOrJarjar}, flags.classpath...) } shardSize := int(*(j.properties.Javac_shard_size)) var shardSrcs []android.Paths if len(uniqueJavaFiles) > 0 { shardSrcs = android.ShardPaths(uniqueJavaFiles, shardSize) for idx, shardSrc := range shardSrcs { classes := j.compileJavaClasses(ctx, jarName, idx, shardSrc, nil, flags, extraJarDeps) jars = append(jars, classes) } } // Assume approximately 5 sources per srcjar. // For framework-minus-apex in AOSP at the time this was written, there are 266 srcjars, with a mean // of 5.8 sources per srcjar, but a median of 1, a standard deviation of 10, and a max of 48 source files. if len(srcJars) > 0 { startIdx := len(shardSrcs) shardSrcJarsList := android.ShardPaths(srcJars, shardSize/5) for idx, shardSrcJars := range shardSrcJarsList { classes := j.compileJavaClasses(ctx, jarName, startIdx+idx, nil, shardSrcJars, flags, extraJarDeps) jars = append(jars, classes) } } } else { classes := j.compileJavaClasses(ctx, jarName, -1, uniqueJavaFiles, srcJars, flags, extraJarDeps) jars = append(jars, classes) } if ctx.Failed() { return } } j.srcJarArgs, j.srcJarDeps = resourcePathsToJarArgs(srcFiles), srcFiles var includeSrcJar android.WritablePath if Bool(j.properties.Include_srcs) { includeSrcJar = android.PathForModuleOut(ctx, ctx.ModuleName()+".srcjar") TransformResourcesToJar(ctx, includeSrcJar, j.srcJarArgs, j.srcJarDeps) } dirArgs, dirDeps := ResourceDirsToJarArgs(ctx, j.properties.Java_resource_dirs, j.properties.Exclude_java_resource_dirs, j.properties.Exclude_java_resources) fileArgs, fileDeps := ResourceFilesToJarArgs(ctx, j.properties.Java_resources, j.properties.Exclude_java_resources) extraArgs, extraDeps := resourcePathsToJarArgs(j.extraResources), j.extraResources var resArgs []string var resDeps android.Paths resArgs = append(resArgs, dirArgs...) resDeps = append(resDeps, dirDeps...) resArgs = append(resArgs, fileArgs...) resDeps = append(resDeps, fileDeps...) resArgs = append(resArgs, extraArgs...) resDeps = append(resDeps, extraDeps...) if len(resArgs) > 0 { resourceJar := android.PathForModuleOut(ctx, "res", jarName) TransformResourcesToJar(ctx, resourceJar, resArgs, resDeps) j.resourceJar = resourceJar if ctx.Failed() { return } } var resourceJars android.Paths if j.resourceJar != nil { resourceJars = append(resourceJars, j.resourceJar) } if Bool(j.properties.Include_srcs) { resourceJars = append(resourceJars, includeSrcJar) } resourceJars = append(resourceJars, deps.staticResourceJars...) if len(resourceJars) > 1 { combinedJar := android.PathForModuleOut(ctx, "res-combined", jarName) TransformJarsToJar(ctx, combinedJar, "for resources", resourceJars, android.OptionalPath{}, false, nil, nil) j.resourceJar = combinedJar } else if len(resourceJars) == 1 { j.resourceJar = resourceJars[0] } if len(deps.staticJars) > 0 { jars = append(jars, deps.staticJars...) } manifest := j.overrideManifest if !manifest.Valid() && j.properties.Manifest != nil { manifest = android.OptionalPathForPath(android.PathForModuleSrc(ctx, *j.properties.Manifest)) } services := android.PathsForModuleSrc(ctx, j.properties.Services) if len(services) > 0 { servicesJar := android.PathForModuleOut(ctx, "services", jarName) var zipargs []string for _, file := range services { serviceFile := file.String() zipargs = append(zipargs, "-C", filepath.Dir(serviceFile), "-f", serviceFile) } rule := zip args := map[string]string{ "jarArgs": "-P META-INF/services/ " + strings.Join(proptools.NinjaAndShellEscapeList(zipargs), " "), } if ctx.Config().UseRBE() && ctx.Config().IsEnvTrue("RBE_ZIP") { rule = zipRE args["implicits"] = strings.Join(services.Strings(), ",") } ctx.Build(pctx, android.BuildParams{ Rule: rule, Output: servicesJar, Implicits: services, Args: args, }) jars = append(jars, servicesJar) } jars = append(android.CopyOf(extraCombinedJars), jars...) // Combine the classes built from sources, any manifests, and any static libraries into // classes.jar. If there is only one input jar this step will be skipped. var outputFile android.OutputPath if len(jars) == 1 && !manifest.Valid() { // Optimization: skip the combine step as there is nothing to do // TODO(ccross): this leaves any module-info.class files, but those should only come from // prebuilt dependencies until we support modules in the platform build, so there shouldn't be // any if len(jars) == 1. // moduleStubLinkType determines if the module is the TopLevelStubLibrary generated // from sdk_library. The TopLevelStubLibrary contains only one static lib, // either with .from-source or .from-text suffix. // outputFile should be agnostic to the build configuration, // thus "combine" the single static lib in order to prevent the static lib from being exposed // to the copy rules. stub, _ := moduleStubLinkType(ctx.ModuleName()) // Transform the single path to the jar into an OutputPath as that is required by the following // code. if moduleOutPath, ok := jars[0].(android.ModuleOutPath); ok && !stub { // The path contains an embedded OutputPath so reuse that. outputFile = moduleOutPath.OutputPath } else if outputPath, ok := jars[0].(android.OutputPath); ok && !stub { // The path is an OutputPath so reuse it directly. outputFile = outputPath } else { // The file is not in the out directory so create an OutputPath into which it can be copied // and which the following code can use to refer to it. combinedJar := android.PathForModuleOut(ctx, "combined", jarName) ctx.Build(pctx, android.BuildParams{ Rule: android.Cp, Input: jars[0], Output: combinedJar, }) outputFile = combinedJar.OutputPath } } else { combinedJar := android.PathForModuleOut(ctx, "combined", jarName) TransformJarsToJar(ctx, combinedJar, "for javac", jars, manifest, false, nil, nil) outputFile = combinedJar.OutputPath } // jarjar implementation jar if necessary if j.expandJarjarRules != nil { // Transform classes.jar into classes-jarjar.jar jarjarFile := android.PathForModuleOut(ctx, "jarjar", jarName).OutputPath TransformJarJar(ctx, jarjarFile, outputFile, j.expandJarjarRules) outputFile = jarjarFile // jarjar resource jar if necessary if j.resourceJar != nil { resourceJarJarFile := android.PathForModuleOut(ctx, "res-jarjar", jarName) TransformJarJar(ctx, resourceJarJarFile, j.resourceJar, j.expandJarjarRules) j.resourceJar = resourceJarJarFile } if ctx.Failed() { return } } // Check package restrictions if necessary. if len(j.properties.Permitted_packages) > 0 { // Time stamp file created by the package check rule. pkgckFile := android.PathForModuleOut(ctx, "package-check.stamp") // Create a rule to copy the output jar to another path and add a validate dependency that // will check that the jar only contains the permitted packages. The new location will become // the output file of this module. inputFile := outputFile outputFile = android.PathForModuleOut(ctx, "package-check", jarName).OutputPath ctx.Build(pctx, android.BuildParams{ Rule: android.Cp, Input: inputFile, Output: outputFile, // Make sure that any dependency on the output file will cause ninja to run the package check // rule. Validation: pkgckFile, }) // Check packages and create a timestamp file when complete. CheckJarPackages(ctx, pkgckFile, outputFile, j.properties.Permitted_packages) if ctx.Failed() { return } } j.implementationJarFile = outputFile if j.headerJarFile == nil { // If this module couldn't generate a header jar (for example due to api generating annotation processors) // then use the implementation jar. Run it through zip2zip first to remove any files in META-INF/services // so that javac on modules that depend on this module don't pick up annotation processors (which may be // missing their implementations) from META-INF/services/javax.annotation.processing.Processor. headerJarFile := android.PathForModuleOut(ctx, "javac-header", jarName) convertImplementationJarToHeaderJar(ctx, j.implementationJarFile, headerJarFile) j.headerJarFile = headerJarFile } // enforce syntax check to jacoco filters for any build (http://b/183622051) specs := j.jacocoModuleToZipCommand(ctx) if ctx.Failed() { return } if j.shouldInstrument(ctx) { outputFile = j.instrument(ctx, flags, outputFile, jarName, specs) } // merge implementation jar with resources if necessary implementationAndResourcesJar := outputFile if j.resourceJar != nil { jars := android.Paths{j.resourceJar, implementationAndResourcesJar} combinedJar := android.PathForModuleOut(ctx, "withres", jarName).OutputPath TransformJarsToJar(ctx, combinedJar, "for resources", jars, manifest, false, nil, nil) implementationAndResourcesJar = combinedJar } j.implementationAndResourcesJar = implementationAndResourcesJar // Enable dex compilation for the APEX variants, unless it is disabled explicitly compileDex := j.dexProperties.Compile_dex apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo) if j.DirectlyInAnyApex() && !apexInfo.IsForPlatform() { if compileDex == nil { compileDex = proptools.BoolPtr(true) } if j.deviceProperties.Hostdex == nil { j.deviceProperties.Hostdex = proptools.BoolPtr(true) } } if ctx.Device() && (Bool(j.properties.Installable) || Bool(compileDex)) { if j.hasCode(ctx) { if j.shouldInstrumentStatic(ctx) { j.dexer.extraProguardFlagFiles = append(j.dexer.extraProguardFlagFiles, android.PathForSource(ctx, "build/make/core/proguard.jacoco.flags")) } // Dex compilation var dexOutputFile android.OutputPath params := &compileDexParams{ flags: flags, sdkVersion: j.SdkVersion(ctx), minSdkVersion: j.MinSdkVersion(ctx), classesJar: implementationAndResourcesJar, jarName: jarName, } dexOutputFile = j.dexer.compileDex(ctx, params) if ctx.Failed() { return } // merge dex jar with resources if necessary if j.resourceJar != nil { jars := android.Paths{dexOutputFile, j.resourceJar} combinedJar := android.PathForModuleOut(ctx, "dex-withres", jarName).OutputPath TransformJarsToJar(ctx, combinedJar, "for dex resources", jars, android.OptionalPath{}, false, nil, nil) if *j.dexProperties.Uncompress_dex { combinedAlignedJar := android.PathForModuleOut(ctx, "dex-withres-aligned", jarName).OutputPath TransformZipAlign(ctx, combinedAlignedJar, combinedJar, nil) dexOutputFile = combinedAlignedJar } else { dexOutputFile = combinedJar } } // Initialize the hiddenapi structure. j.initHiddenAPI(ctx, makeDexJarPathFromPath(dexOutputFile), j.implementationJarFile, j.dexProperties.Uncompress_dex) // Encode hidden API flags in dex file, if needed. dexOutputFile = j.hiddenAPIEncodeDex(ctx, dexOutputFile) j.dexJarFile = makeDexJarPathFromPath(dexOutputFile) // Dexpreopting j.dexpreopt(ctx, dexOutputFile) outputFile = dexOutputFile } else { // There is no code to compile into a dex jar, make sure the resources are propagated // to the APK if this is an app. outputFile = implementationAndResourcesJar j.dexJarFile = makeDexJarPathFromPath(j.resourceJar) } if ctx.Failed() { return } } else { outputFile = implementationAndResourcesJar } if ctx.Device() { lintSDKVersion := func(apiLevel android.ApiLevel) int { if !apiLevel.IsPreview() { return apiLevel.FinalInt() } else { // When running metalava, we pass --version-codename. When that value // is not REL, metalava will add 1 to the --current-version argument. // On old branches, PLATFORM_SDK_VERSION is the latest version (for that // branch) and the codename is REL, except potentially on the most // recent non-master branch. On that branch, it goes through two other // phases before it gets to the phase previously described: // - PLATFORM_SDK_VERSION has not been updated yet, and the codename // is not rel. This happens for most of the internal branch's life // while the branch has been cut but is still under active development. // - PLATFORM_SDK_VERSION has been set, but the codename is still not // REL. This happens briefly during the release process. During this // state the code to add --current-version is commented out, and then // that commenting out is reverted after the codename is set to REL. // On the master branch, the PLATFORM_SDK_VERSION always represents a // prior version and the codename is always non-REL. // // We need to add one here to match metalava adding 1. Technically // this means that in the state described in the second bullet point // above, this number is 1 higher than it should be. return ctx.Config().PlatformSdkVersion().FinalInt() + 1 } } j.linter.name = ctx.ModuleName() j.linter.srcs = append(srcFiles, nonGeneratedSrcJars...) j.linter.srcJars, _ = android.FilterPathList(srcJars, nonGeneratedSrcJars) j.linter.classpath = append(append(android.Paths(nil), flags.bootClasspath...), flags.classpath...) j.linter.classes = j.implementationJarFile j.linter.minSdkVersion = lintSDKVersion(j.MinSdkVersion(ctx)) j.linter.targetSdkVersion = lintSDKVersion(j.TargetSdkVersion(ctx)) j.linter.compileSdkVersion = lintSDKVersion(j.SdkVersion(ctx).ApiLevel) j.linter.compileSdkKind = j.SdkVersion(ctx).Kind j.linter.javaLanguageLevel = flags.javaVersion.String() j.linter.kotlinLanguageLevel = "1.3" if !apexInfo.IsForPlatform() && ctx.Config().UnbundledBuildApps() { j.linter.buildModuleReportZip = true } j.linter.lint(ctx) } j.collectTransitiveSrcFiles(ctx, srcFiles) ctx.CheckbuildFile(outputFile) j.collectTransitiveAconfigFiles(ctx) ctx.SetProvider(JavaInfoProvider, JavaInfo{ HeaderJars: android.PathsIfNonNil(j.headerJarFile), TransitiveLibsHeaderJars: j.transitiveLibsHeaderJars, TransitiveStaticLibsHeaderJars: j.transitiveStaticLibsHeaderJars, ImplementationAndResourcesJars: android.PathsIfNonNil(j.implementationAndResourcesJar), ImplementationJars: android.PathsIfNonNil(j.implementationJarFile), ResourceJars: android.PathsIfNonNil(j.resourceJar), AidlIncludeDirs: j.exportAidlIncludeDirs, SrcJarArgs: j.srcJarArgs, SrcJarDeps: j.srcJarDeps, TransitiveSrcFiles: j.transitiveSrcFiles, ExportedPlugins: j.exportedPluginJars, ExportedPluginClasses: j.exportedPluginClasses, ExportedPluginDisableTurbine: j.exportedDisableTurbine, JacocoReportClassesFile: j.jacocoReportClassesFile, TransitiveAconfigFiles: j.transitiveAconfigFiles, }) // Save the output file with no relative path so that it doesn't end up in a subdirectory when used as a resource j.outputFile = outputFile.WithoutRel() } func (j *Module) useCompose() bool { return android.InList("androidx.compose.runtime_runtime", j.properties.Static_libs) } func (j *Module) collectProguardSpecInfo(ctx android.ModuleContext) ProguardSpecInfo { transitiveUnconditionalExportedFlags := []*android.DepSet[android.Path]{} transitiveProguardFlags := []*android.DepSet[android.Path]{} ctx.VisitDirectDeps(func(m android.Module) { depProguardInfo := ctx.OtherModuleProvider(m, ProguardSpecInfoProvider).(ProguardSpecInfo) depTag := ctx.OtherModuleDependencyTag(m) if depProguardInfo.UnconditionallyExportedProguardFlags != nil { transitiveUnconditionalExportedFlags = append(transitiveUnconditionalExportedFlags, depProguardInfo.UnconditionallyExportedProguardFlags) transitiveProguardFlags = append(transitiveProguardFlags, depProguardInfo.UnconditionallyExportedProguardFlags) } if depTag == staticLibTag && depProguardInfo.ProguardFlagsFiles != nil { transitiveProguardFlags = append(transitiveProguardFlags, depProguardInfo.ProguardFlagsFiles) } }) directUnconditionalExportedFlags := android.Paths{} proguardFlagsForThisModule := android.PathsForModuleSrc(ctx, j.dexProperties.Optimize.Proguard_flags_files) exportUnconditionally := proptools.Bool(j.dexProperties.Optimize.Export_proguard_flags_files) if exportUnconditionally { // if we explicitly export, then our unconditional exports are the same as our transitive flags transitiveUnconditionalExportedFlags = transitiveProguardFlags directUnconditionalExportedFlags = proguardFlagsForThisModule } return ProguardSpecInfo{ Export_proguard_flags_files: exportUnconditionally, ProguardFlagsFiles: android.NewDepSet[android.Path]( android.POSTORDER, proguardFlagsForThisModule, transitiveProguardFlags, ), UnconditionallyExportedProguardFlags: android.NewDepSet[android.Path]( android.POSTORDER, directUnconditionalExportedFlags, transitiveUnconditionalExportedFlags, ), } } // Returns a copy of the supplied flags, but with all the errorprone-related // fields copied to the regular build's fields. func enableErrorproneFlags(flags javaBuilderFlags) javaBuilderFlags { flags.processorPath = append(flags.errorProneProcessorPath, flags.processorPath...) if len(flags.errorProneExtraJavacFlags) > 0 { if len(flags.javacFlags) > 0 { flags.javacFlags += " " + flags.errorProneExtraJavacFlags } else { flags.javacFlags = flags.errorProneExtraJavacFlags } } return flags } func (j *Module) compileJavaClasses(ctx android.ModuleContext, jarName string, idx int, srcFiles, srcJars android.Paths, flags javaBuilderFlags, extraJarDeps android.Paths) android.WritablePath { kzipName := pathtools.ReplaceExtension(jarName, "kzip") annoSrcJar := android.PathForModuleOut(ctx, "javac", "anno.srcjar") if idx >= 0 { kzipName = strings.TrimSuffix(jarName, filepath.Ext(jarName)) + strconv.Itoa(idx) + ".kzip" annoSrcJar = android.PathForModuleOut(ctx, "javac", "anno-"+strconv.Itoa(idx)+".srcjar") jarName += strconv.Itoa(idx) } classes := android.PathForModuleOut(ctx, "javac", jarName).OutputPath TransformJavaToClasses(ctx, classes, idx, srcFiles, srcJars, annoSrcJar, flags, extraJarDeps) if ctx.Config().EmitXrefRules() { extractionFile := android.PathForModuleOut(ctx, kzipName) emitXrefRule(ctx, extractionFile, idx, srcFiles, srcJars, flags, extraJarDeps) j.kytheFiles = append(j.kytheFiles, extractionFile) } if len(flags.processorPath) > 0 { j.annoSrcJars = append(j.annoSrcJars, annoSrcJar) } return classes } // Check for invalid kotlinc flags. Only use this for flags explicitly passed by the user, // since some of these flags may be used internally. func CheckKotlincFlags(ctx android.ModuleContext, flags []string) { for _, flag := range flags { flag = strings.TrimSpace(flag) if !strings.HasPrefix(flag, "-") { ctx.PropertyErrorf("kotlincflags", "Flag `%s` must start with `-`", flag) } else if strings.HasPrefix(flag, "-Xintellij-plugin-root") { ctx.PropertyErrorf("kotlincflags", "Bad flag: `%s`, only use internal compiler for consistency.", flag) } else if inList(flag, config.KotlincIllegalFlags) { ctx.PropertyErrorf("kotlincflags", "Flag `%s` already used by build system", flag) } else if flag == "-include-runtime" { ctx.PropertyErrorf("kotlincflags", "Bad flag: `%s`, do not include runtime.", flag) } else { args := strings.Split(flag, " ") if args[0] == "-kotlin-home" { ctx.PropertyErrorf("kotlincflags", "Bad flag: `%s`, kotlin home already set to default (path to kotlinc in the repo).", flag) } } } } func (j *Module) compileJavaHeader(ctx android.ModuleContext, srcFiles, srcJars android.Paths, deps deps, flags javaBuilderFlags, jarName string, extraJars android.Paths) (headerJar, jarjarAndDepsHeaderJar android.Path) { var jars android.Paths if len(srcFiles) > 0 || len(srcJars) > 0 { // Compile java sources into turbine.jar. turbineJar := android.PathForModuleOut(ctx, "turbine", jarName) TransformJavaToHeaderClasses(ctx, turbineJar, srcFiles, srcJars, flags) if ctx.Failed() { return nil, nil } jars = append(jars, turbineJar) headerJar = turbineJar } jars = append(jars, extraJars...) // Combine any static header libraries into classes-header.jar. If there is only // one input jar this step will be skipped. jars = append(jars, deps.staticHeaderJars...) // we cannot skip the combine step for now if there is only one jar // since we have to strip META-INF/TRANSITIVE dir from turbine.jar combinedJar := android.PathForModuleOut(ctx, "turbine-combined", jarName) TransformJarsToJar(ctx, combinedJar, "for turbine", jars, android.OptionalPath{}, false, nil, []string{"META-INF/TRANSITIVE"}) jarjarAndDepsHeaderJar = combinedJar if j.expandJarjarRules != nil { // Transform classes.jar into classes-jarjar.jar jarjarFile := android.PathForModuleOut(ctx, "turbine-jarjar", jarName) TransformJarJar(ctx, jarjarFile, jarjarAndDepsHeaderJar, j.expandJarjarRules) jarjarAndDepsHeaderJar = jarjarFile if ctx.Failed() { return nil, nil } } return headerJar, jarjarAndDepsHeaderJar } func (j *Module) instrument(ctx android.ModuleContext, flags javaBuilderFlags, classesJar android.Path, jarName string, specs string) android.OutputPath { jacocoReportClassesFile := android.PathForModuleOut(ctx, "jacoco-report-classes", jarName) instrumentedJar := android.PathForModuleOut(ctx, "jacoco", jarName).OutputPath jacocoInstrumentJar(ctx, instrumentedJar, jacocoReportClassesFile, classesJar, specs) j.jacocoReportClassesFile = jacocoReportClassesFile return instrumentedJar } type providesTransitiveHeaderJars struct { // set of header jars for all transitive libs deps transitiveLibsHeaderJars *android.DepSet[android.Path] // set of header jars for all transitive static libs deps transitiveStaticLibsHeaderJars *android.DepSet[android.Path] } func (j *providesTransitiveHeaderJars) TransitiveLibsHeaderJars() *android.DepSet[android.Path] { return j.transitiveLibsHeaderJars } func (j *providesTransitiveHeaderJars) TransitiveStaticLibsHeaderJars() *android.DepSet[android.Path] { return j.transitiveStaticLibsHeaderJars } func (j *providesTransitiveHeaderJars) collectTransitiveHeaderJars(ctx android.ModuleContext) { directLibs := android.Paths{} directStaticLibs := android.Paths{} transitiveLibs := []*android.DepSet[android.Path]{} transitiveStaticLibs := []*android.DepSet[android.Path]{} ctx.VisitDirectDeps(func(module android.Module) { // don't add deps of the prebuilt version of the same library if ctx.ModuleName() == android.RemoveOptionalPrebuiltPrefix(module.Name()) { return } dep := ctx.OtherModuleProvider(module, JavaInfoProvider).(JavaInfo) if dep.TransitiveLibsHeaderJars != nil { transitiveLibs = append(transitiveLibs, dep.TransitiveLibsHeaderJars) } if dep.TransitiveStaticLibsHeaderJars != nil { transitiveStaticLibs = append(transitiveStaticLibs, dep.TransitiveStaticLibsHeaderJars) } tag := ctx.OtherModuleDependencyTag(module) _, isUsesLibDep := tag.(usesLibraryDependencyTag) if tag == libTag || tag == r8LibraryJarTag || isUsesLibDep { directLibs = append(directLibs, dep.HeaderJars...) } else if tag == staticLibTag { directStaticLibs = append(directStaticLibs, dep.HeaderJars...) } }) j.transitiveLibsHeaderJars = android.NewDepSet(android.POSTORDER, directLibs, transitiveLibs) j.transitiveStaticLibsHeaderJars = android.NewDepSet(android.POSTORDER, directStaticLibs, transitiveStaticLibs) } func (j *Module) HeaderJars() android.Paths { if j.headerJarFile == nil { return nil } return android.Paths{j.headerJarFile} } func (j *Module) ImplementationJars() android.Paths { if j.implementationJarFile == nil { return nil } return android.Paths{j.implementationJarFile} } func (j *Module) DexJarBuildPath() OptionalDexJarPath { return j.dexJarFile } func (j *Module) DexJarInstallPath() android.Path { return j.installFile } func (j *Module) ImplementationAndResourcesJars() android.Paths { if j.implementationAndResourcesJar == nil { return nil } return android.Paths{j.implementationAndResourcesJar} } func (j *Module) AidlIncludeDirs() android.Paths { // exportAidlIncludeDirs is type android.Paths already return j.exportAidlIncludeDirs } func (j *Module) ClassLoaderContexts() dexpreopt.ClassLoaderContextMap { return j.classLoaderContexts } // Collect information for opening IDE project files in java/jdeps.go. func (j *Module) IDEInfo(dpInfo *android.IdeInfo) { dpInfo.Deps = append(dpInfo.Deps, j.CompilerDeps()...) dpInfo.Srcs = append(dpInfo.Srcs, j.expandIDEInfoCompiledSrcs...) dpInfo.SrcJars = append(dpInfo.SrcJars, j.compiledSrcJars.Strings()...) dpInfo.Aidl_include_dirs = append(dpInfo.Aidl_include_dirs, j.deviceProperties.Aidl.Include_dirs...) if j.expandJarjarRules != nil { dpInfo.Jarjar_rules = append(dpInfo.Jarjar_rules, j.expandJarjarRules.String()) } dpInfo.Paths = append(dpInfo.Paths, j.modulePaths...) dpInfo.Static_libs = append(dpInfo.Static_libs, j.properties.Static_libs...) dpInfo.Libs = append(dpInfo.Libs, j.properties.Libs...) dpInfo.SrcJars = append(dpInfo.SrcJars, j.annoSrcJars.Strings()...) } func (j *Module) CompilerDeps() []string { jdeps := []string{} jdeps = append(jdeps, j.properties.Libs...) jdeps = append(jdeps, j.properties.Static_libs...) return jdeps } func (j *Module) hasCode(ctx android.ModuleContext) bool { srcFiles := android.PathsForModuleSrcExcludes(ctx, j.properties.Srcs, j.properties.Exclude_srcs) return len(srcFiles) > 0 || len(ctx.GetDirectDepsWithTag(staticLibTag)) > 0 } // Implements android.ApexModule func (j *Module) DepIsInSameApex(ctx android.BaseModuleContext, dep android.Module) bool { return j.depIsInSameApex(ctx, dep) } // Implements android.ApexModule func (j *Module) ShouldSupportSdkVersion(ctx android.BaseModuleContext, sdkVersion android.ApiLevel) error { sdkVersionSpec := j.SdkVersion(ctx) minSdkVersion := j.MinSdkVersion(ctx) if !minSdkVersion.Specified() { return fmt.Errorf("min_sdk_version is not specified") } // If the module is compiling against core (via sdk_version), skip comparison check. if sdkVersionSpec.Kind == android.SdkCore { return nil } if minSdkVersion.GreaterThan(sdkVersion) { return fmt.Errorf("newer SDK(%v)", minSdkVersion) } return nil } func (j *Module) Stem() string { if j.stem == "" { panic("Stem() called before stem property was set") } return j.stem } func (j *Module) JacocoReportClassesFile() android.Path { return j.jacocoReportClassesFile } func (j *Module) collectTransitiveSrcFiles(ctx android.ModuleContext, mine android.Paths) { var fromDeps []*android.DepSet[android.Path] ctx.VisitDirectDeps(func(module android.Module) { tag := ctx.OtherModuleDependencyTag(module) if tag == staticLibTag { depInfo := ctx.OtherModuleProvider(module, JavaInfoProvider).(JavaInfo) if depInfo.TransitiveSrcFiles != nil { fromDeps = append(fromDeps, depInfo.TransitiveSrcFiles) } } }) j.transitiveSrcFiles = android.NewDepSet(android.POSTORDER, mine, fromDeps) } func (j *Module) IsInstallable() bool { return Bool(j.properties.Installable) } func (j *Module) collectTransitiveAconfigFiles(ctx android.ModuleContext) { // Aconfig files from this module mine := j.aconfigIntermediates // Aconfig files from transitive dependencies fromDeps := []*android.DepSet[android.Path]{} ctx.VisitDirectDeps(func(module android.Module) { dep := ctx.OtherModuleProvider(module, JavaInfoProvider).(JavaInfo) if dep.TransitiveAconfigFiles != nil { fromDeps = append(fromDeps, dep.TransitiveAconfigFiles) } }) // DepSet containing aconfig files myself and from dependencies j.transitiveAconfigFiles = android.NewDepSet(android.POSTORDER, mine, fromDeps) } func (j *Module) AddAconfigIntermediate(path android.Path) { j.aconfigIntermediates = append(j.aconfigIntermediates, path) } func (j *Module) getTransitiveAconfigFiles() *android.DepSet[android.Path] { if j.transitiveAconfigFiles == nil { panic(fmt.Errorf("java.Moduile: getTransitiveAconfigFiles called before collectTransitiveAconfigFiles module=%s", j.Name())) } return j.transitiveAconfigFiles } type sdkLinkType int const ( // TODO(jiyong) rename these for better readability. Make the allowed // and disallowed link types explicit // order is important here. See rank() javaCore sdkLinkType = iota javaSdk javaSystem javaModule javaSystemServer javaPlatform ) func (lt sdkLinkType) String() string { switch lt { case javaCore: return "core Java API" case javaSdk: return "Android API" case javaSystem: return "system API" case javaModule: return "module API" case javaSystemServer: return "system server API" case javaPlatform: return "private API" default: panic(fmt.Errorf("unrecognized linktype: %d", lt)) } } // rank determines the total order among sdkLinkType. An SDK link type of rank A can link to // another SDK link type of rank B only when B <= A. For example, a module linking to Android SDK // can't statically depend on modules that use Platform API. func (lt sdkLinkType) rank() int { return int(lt) } type moduleWithSdkDep interface { android.Module getSdkLinkType(ctx android.BaseModuleContext, name string) (ret sdkLinkType, stubs bool) } func (m *Module) getSdkLinkType(ctx android.BaseModuleContext, name string) (ret sdkLinkType, stubs bool) { switch name { case android.SdkCore.DefaultJavaLibraryName(), "legacy.core.platform.api.stubs", "stable.core.platform.api.stubs", "stub-annotations", "private-stub-annotations-jar", "core-lambda-stubs", "core-generated-annotation-stubs": return javaCore, true case android.SdkPublic.DefaultJavaLibraryName(): return javaSdk, true case android.SdkSystem.DefaultJavaLibraryName(): return javaSystem, true case android.SdkModule.DefaultJavaLibraryName(): return javaModule, true case android.SdkSystemServer.DefaultJavaLibraryName(): return javaSystemServer, true case android.SdkTest.DefaultJavaLibraryName(): return javaSystem, true } if stub, linkType := moduleStubLinkType(name); stub { return linkType, true } ver := m.SdkVersion(ctx) switch ver.Kind { case android.SdkCore: return javaCore, false case android.SdkSystem: return javaSystem, false case android.SdkPublic: return javaSdk, false case android.SdkModule: return javaModule, false case android.SdkSystemServer: return javaSystemServer, false case android.SdkPrivate, android.SdkNone, android.SdkCorePlatform, android.SdkTest: return javaPlatform, false } if !ver.Valid() { panic(fmt.Errorf("sdk_version is invalid. got %q", ver.Raw)) } return javaSdk, false } // checkSdkLinkType make sures the given dependency doesn't have a lower SDK link type rank than // this module's. See the comment on rank() for details and an example. func (j *Module) checkSdkLinkType( ctx android.ModuleContext, dep moduleWithSdkDep, tag dependencyTag) { if ctx.Host() { return } myLinkType, stubs := j.getSdkLinkType(ctx, ctx.ModuleName()) if stubs { return } depLinkType, _ := dep.getSdkLinkType(ctx, ctx.OtherModuleName(dep)) if myLinkType.rank() < depLinkType.rank() { ctx.ModuleErrorf("compiles against %v, but dependency %q is compiling against %v. "+ "In order to fix this, consider adjusting sdk_version: OR platform_apis: "+ "property of the source or target module so that target module is built "+ "with the same or smaller API set when compared to the source.", myLinkType, ctx.OtherModuleName(dep), depLinkType) } } func (j *Module) collectDeps(ctx android.ModuleContext) deps { var deps deps if ctx.Device() { sdkDep := decodeSdkDep(ctx, android.SdkContext(j)) if sdkDep.invalidVersion { ctx.AddMissingDependencies(sdkDep.bootclasspath) ctx.AddMissingDependencies(sdkDep.java9Classpath) } else if sdkDep.useFiles { // sdkDep.jar is actually equivalent to turbine header.jar. deps.classpath = append(deps.classpath, sdkDep.jars...) deps.dexClasspath = append(deps.dexClasspath, sdkDep.jars...) deps.aidlPreprocess = sdkDep.aidl } else { deps.aidlPreprocess = sdkDep.aidl } } sdkLinkType, _ := j.getSdkLinkType(ctx, ctx.ModuleName()) j.collectTransitiveHeaderJars(ctx) ctx.VisitDirectDeps(func(module android.Module) { otherName := ctx.OtherModuleName(module) tag := ctx.OtherModuleDependencyTag(module) if IsJniDepTag(tag) { // Handled by AndroidApp.collectAppDeps return } if tag == certificateTag { // Handled by AndroidApp.collectAppDeps return } if dep, ok := module.(SdkLibraryDependency); ok { switch tag { case sdkLibTag, libTag: depHeaderJars := dep.SdkHeaderJars(ctx, j.SdkVersion(ctx)) deps.classpath = append(deps.classpath, depHeaderJars...) deps.dexClasspath = append(deps.dexClasspath, depHeaderJars...) case staticLibTag: ctx.ModuleErrorf("dependency on java_sdk_library %q can only be in libs", otherName) } } else if ctx.OtherModuleHasProvider(module, JavaInfoProvider) { dep := ctx.OtherModuleProvider(module, JavaInfoProvider).(JavaInfo) if sdkLinkType != javaPlatform && ctx.OtherModuleHasProvider(module, SyspropPublicStubInfoProvider) { // dep is a sysprop implementation library, but this module is not linking against // the platform, so it gets the sysprop public stubs library instead. Replace // dep with the JavaInfo from the SyspropPublicStubInfoProvider. syspropDep := ctx.OtherModuleProvider(module, SyspropPublicStubInfoProvider).(SyspropPublicStubInfo) dep = syspropDep.JavaInfo } switch tag { case bootClasspathTag: deps.bootClasspath = append(deps.bootClasspath, dep.HeaderJars...) case sdkLibTag, libTag, instrumentationForTag: if _, ok := module.(*Plugin); ok { ctx.ModuleErrorf("a java_plugin (%s) cannot be used as a libs dependency", otherName) } deps.classpath = append(deps.classpath, dep.HeaderJars...) deps.dexClasspath = append(deps.dexClasspath, dep.HeaderJars...) deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs...) addPlugins(&deps, dep.ExportedPlugins, dep.ExportedPluginClasses...) deps.disableTurbine = deps.disableTurbine || dep.ExportedPluginDisableTurbine case java9LibTag: deps.java9Classpath = append(deps.java9Classpath, dep.HeaderJars...) case staticLibTag: if _, ok := module.(*Plugin); ok { ctx.ModuleErrorf("a java_plugin (%s) cannot be used as a static_libs dependency", otherName) } deps.classpath = append(deps.classpath, dep.HeaderJars...) deps.staticJars = append(deps.staticJars, dep.ImplementationJars...) deps.staticHeaderJars = append(deps.staticHeaderJars, dep.HeaderJars...) deps.staticResourceJars = append(deps.staticResourceJars, dep.ResourceJars...) deps.aidlIncludeDirs = append(deps.aidlIncludeDirs, dep.AidlIncludeDirs...) addPlugins(&deps, dep.ExportedPlugins, dep.ExportedPluginClasses...) // Turbine doesn't run annotation processors, so any module that uses an // annotation processor that generates API is incompatible with the turbine // optimization. deps.disableTurbine = deps.disableTurbine || dep.ExportedPluginDisableTurbine case pluginTag: if plugin, ok := module.(*Plugin); ok { if plugin.pluginProperties.Processor_class != nil { addPlugins(&deps, dep.ImplementationAndResourcesJars, *plugin.pluginProperties.Processor_class) } else { addPlugins(&deps, dep.ImplementationAndResourcesJars) } // Turbine doesn't run annotation processors, so any module that uses an // annotation processor that generates API is incompatible with the turbine // optimization. deps.disableTurbine = deps.disableTurbine || Bool(plugin.pluginProperties.Generates_api) } else { ctx.PropertyErrorf("plugins", "%q is not a java_plugin module", otherName) } case errorpronePluginTag: if _, ok := module.(*Plugin); ok { deps.errorProneProcessorPath = append(deps.errorProneProcessorPath, dep.ImplementationAndResourcesJars...) } else { ctx.PropertyErrorf("plugins", "%q is not a java_plugin module", otherName) } case exportedPluginTag: if plugin, ok := module.(*Plugin); ok { j.exportedPluginJars = append(j.exportedPluginJars, dep.ImplementationAndResourcesJars...) if plugin.pluginProperties.Processor_class != nil { j.exportedPluginClasses = append(j.exportedPluginClasses, *plugin.pluginProperties.Processor_class) } // Turbine doesn't run annotation processors, so any module that uses an // annotation processor that generates API is incompatible with the turbine // optimization. j.exportedDisableTurbine = Bool(plugin.pluginProperties.Generates_api) } else { ctx.PropertyErrorf("exported_plugins", "%q is not a java_plugin module", otherName) } case kotlinStdlibTag: deps.kotlinStdlib = append(deps.kotlinStdlib, dep.HeaderJars...) case kotlinAnnotationsTag: deps.kotlinAnnotations = dep.HeaderJars case kotlinPluginTag: deps.kotlinPlugins = append(deps.kotlinPlugins, dep.ImplementationAndResourcesJars...) case syspropPublicStubDepTag: // This is a sysprop implementation library, forward the JavaInfoProvider from // the corresponding sysprop public stub library as SyspropPublicStubInfoProvider. ctx.SetProvider(SyspropPublicStubInfoProvider, SyspropPublicStubInfo{ JavaInfo: dep, }) } } else if dep, ok := module.(android.SourceFileProducer); ok { switch tag { case sdkLibTag, libTag: checkProducesJars(ctx, dep) deps.classpath = append(deps.classpath, dep.Srcs()...) deps.dexClasspath = append(deps.classpath, dep.Srcs()...) case staticLibTag: checkProducesJars(ctx, dep) deps.classpath = append(deps.classpath, dep.Srcs()...) deps.staticJars = append(deps.staticJars, dep.Srcs()...) deps.staticHeaderJars = append(deps.staticHeaderJars, dep.Srcs()...) } } else { switch tag { case bootClasspathTag: // If a system modules dependency has been added to the bootclasspath // then add its libs to the bootclasspath. sm := module.(SystemModulesProvider) deps.bootClasspath = append(deps.bootClasspath, sm.HeaderJars()...) case systemModulesTag: if deps.systemModules != nil { panic("Found two system module dependencies") } sm := module.(SystemModulesProvider) outputDir, outputDeps := sm.OutputDirAndDeps() deps.systemModules = &systemModules{outputDir, outputDeps} case instrumentationForTag: ctx.PropertyErrorf("instrumentation_for", "dependency %q of type %q does not provide JavaInfo so is unsuitable for use with this property", ctx.OtherModuleName(module), ctx.OtherModuleType(module)) } } addCLCFromDep(ctx, module, j.classLoaderContexts) }) return deps } func addPlugins(deps *deps, pluginJars android.Paths, pluginClasses ...string) { deps.processorPath = append(deps.processorPath, pluginJars...) deps.processorClasses = append(deps.processorClasses, pluginClasses...) } // TODO(b/132357300) Generalize SdkLibrarComponentDependency to non-SDK libraries and merge with // this interface. type ProvidesUsesLib interface { ProvidesUsesLib() *string } func (j *Module) ProvidesUsesLib() *string { return j.usesLibraryProperties.Provides_uses_lib } type ModuleWithStem interface { Stem() string } var _ ModuleWithStem = (*Module)(nil) func (j *Module) ConvertWithBp2build(ctx android.Bp2buildMutatorContext) { switch ctx.ModuleType() { case "java_library", "java_library_host", "java_library_static", "tradefed_java_library_host": if lib, ok := ctx.Module().(*Library); ok { javaLibraryBp2Build(ctx, lib) } case "java_binary_host": if binary, ok := ctx.Module().(*Binary); ok { javaBinaryHostBp2Build(ctx, binary) } case "java_test_host": if testHost, ok := ctx.Module().(*TestHost); ok { javaTestHostBp2Build(ctx, testHost) } default: ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_TYPE_UNSUPPORTED, "") } }