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// Copyright 2018 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 (
"errors"
"fmt"
"path"
"path/filepath"
"reflect"
"sort"
"strings"
"sync"
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
"android/soong/android"
"android/soong/dexpreopt"
)
// A tag to associated a dependency with a specific api scope.
type scopeDependencyTag struct {
blueprint.BaseDependencyTag
name string
apiScope *apiScope
// Function for extracting appropriate path information from the dependency.
depInfoExtractor func(paths *scopePaths, ctx android.ModuleContext, dep android.Module) error
}
// Extract tag specific information from the dependency.
func (tag scopeDependencyTag) extractDepInfo(ctx android.ModuleContext, dep android.Module, paths *scopePaths) {
err := tag.depInfoExtractor(paths, ctx, dep)
if err != nil {
ctx.ModuleErrorf("has an invalid {scopeDependencyTag: %s} dependency on module %s: %s", tag.name, ctx.OtherModuleName(dep), err.Error())
}
}
var _ android.ReplaceSourceWithPrebuilt = (*scopeDependencyTag)(nil)
func (tag scopeDependencyTag) ReplaceSourceWithPrebuilt() bool {
return false
}
// Provides information about an api scope, e.g. public, system, test.
type apiScope struct {
// The name of the api scope, e.g. public, system, test
name string
// The api scope that this scope extends.
//
// This organizes the scopes into an extension hierarchy.
//
// If set this means that the API provided by this scope includes the API provided by the scope
// set in this field.
extends *apiScope
// The next api scope that a library that uses this scope can access.
//
// This organizes the scopes into an access hierarchy.
//
// If set this means that a library that can access this API can also access the API provided by
// the scope set in this field.
//
// A module that sets sdk_version: "<scope>_current" should have access to the <scope> API of
// every java_sdk_library that it depends on. If the library does not provide an API for <scope>
// then it will traverse up this access hierarchy to find an API that it does provide.
//
// If this is not set then it defaults to the scope set in extends.
canAccess *apiScope
// The legacy enabled status for a specific scope can be dependent on other
// properties that have been specified on the library so it is provided by
// a function that can determine the status by examining those properties.
legacyEnabledStatus func(module *SdkLibrary) bool
// The default enabled status for non-legacy behavior, which is triggered by
// explicitly enabling at least one api scope.
defaultEnabledStatus bool
// Gets a pointer to the scope specific properties.
scopeSpecificProperties func(module *SdkLibrary) *ApiScopeProperties
// The name of the field in the dynamically created structure.
fieldName string
// The name of the property in the java_sdk_library_import
propertyName string
// The tag to use to depend on the prebuilt stubs library module
prebuiltStubsTag scopeDependencyTag
// The tag to use to depend on the everything stubs library module.
everythingStubsTag scopeDependencyTag
// The tag to use to depend on the exportable stubs library module.
exportableStubsTag scopeDependencyTag
// The tag to use to depend on the stubs source module (if separate from the API module).
stubsSourceTag scopeDependencyTag
// The tag to use to depend on the stubs source and API module.
stubsSourceAndApiTag scopeDependencyTag
// The tag to use to depend on the module that provides the latest version of the API .txt file.
latestApiModuleTag scopeDependencyTag
// The tag to use to depend on the module that provides the latest version of the API removed.txt
// file.
latestRemovedApiModuleTag scopeDependencyTag
// The scope specific prefix to add to the api file base of "current.txt" or "removed.txt".
apiFilePrefix string
// The scope specific suffix to add to the sdk library module name to construct a scope specific
// module name.
moduleSuffix string
// SDK version that the stubs library is built against. Note that this is always
// *current. Older stubs library built with a numbered SDK version is created from
// the prebuilt jar.
sdkVersion string
// The annotation that identifies this API level, empty for the public API scope.
annotation string
// Extra arguments to pass to droidstubs for this scope.
//
// This is not used directly but is used to construct the droidstubsArgs.
extraArgs []string
// The args that must be passed to droidstubs to generate the API and stubs source
// for this scope, constructed dynamically by initApiScope().
//
// The API only includes the additional members that this scope adds over the scope
// that it extends.
//
// The stubs source must include the definitions of everything that is in this
// api scope and all the scopes that this one extends.
droidstubsArgs []string
// Whether the api scope can be treated as unstable, and should skip compat checks.
unstable bool
// Represents the SDK kind of this scope.
kind android.SdkKind
}
// Initialize a scope, creating and adding appropriate dependency tags
func initApiScope(scope *apiScope) *apiScope {
name := scope.name
scopeByName[name] = scope
allScopeNames = append(allScopeNames, name)
scope.propertyName = strings.ReplaceAll(name, "-", "_")
scope.fieldName = proptools.FieldNameForProperty(scope.propertyName)
scope.prebuiltStubsTag = scopeDependencyTag{
name: name + "-stubs",
apiScope: scope,
depInfoExtractor: (*scopePaths).extractStubsLibraryInfoFromDependency,
}
scope.everythingStubsTag = scopeDependencyTag{
name: name + "-stubs-everything",
apiScope: scope,
depInfoExtractor: (*scopePaths).extractEverythingStubsLibraryInfoFromDependency,
}
scope.exportableStubsTag = scopeDependencyTag{
name: name + "-stubs-exportable",
apiScope: scope,
depInfoExtractor: (*scopePaths).extractExportableStubsLibraryInfoFromDependency,
}
scope.stubsSourceTag = scopeDependencyTag{
name: name + "-stubs-source",
apiScope: scope,
depInfoExtractor: (*scopePaths).extractStubsSourceInfoFromDep,
}
scope.stubsSourceAndApiTag = scopeDependencyTag{
name: name + "-stubs-source-and-api",
apiScope: scope,
depInfoExtractor: (*scopePaths).extractStubsSourceAndApiInfoFromApiStubsProvider,
}
scope.latestApiModuleTag = scopeDependencyTag{
name: name + "-latest-api",
apiScope: scope,
depInfoExtractor: (*scopePaths).extractLatestApiPath,
}
scope.latestRemovedApiModuleTag = scopeDependencyTag{
name: name + "-latest-removed-api",
apiScope: scope,
depInfoExtractor: (*scopePaths).extractLatestRemovedApiPath,
}
// To get the args needed to generate the stubs source append all the args from
// this scope and all the scopes it extends as each set of args adds additional
// members to the stubs.
var scopeSpecificArgs []string
if scope.annotation != "" {
scopeSpecificArgs = []string{"--show-annotation", scope.annotation}
}
for s := scope; s != nil; s = s.extends {
scopeSpecificArgs = append(scopeSpecificArgs, s.extraArgs...)
// Ensure that the generated stubs includes all the API elements from the API scope
// that this scope extends.
if s != scope && s.annotation != "" {
scopeSpecificArgs = append(scopeSpecificArgs, "--show-for-stub-purposes-annotation", s.annotation)
}
}
// By default, a library that can access a scope can also access the scope it extends.
if scope.canAccess == nil {
scope.canAccess = scope.extends
}
// Escape any special characters in the arguments. This is needed because droidstubs
// passes these directly to the shell command.
scope.droidstubsArgs = proptools.ShellEscapeList(scopeSpecificArgs)
return scope
}
func (scope *apiScope) stubsLibraryModuleNameSuffix() string {
return ".stubs" + scope.moduleSuffix
}
func (scope *apiScope) exportableStubsLibraryModuleNameSuffix() string {
return ".stubs.exportable" + scope.moduleSuffix
}
func (scope *apiScope) apiLibraryModuleName(baseName string) string {
return scope.stubsLibraryModuleName(baseName) + ".from-text"
}
func (scope *apiScope) sourceStubsLibraryModuleName(baseName string) string {
return scope.stubsLibraryModuleName(baseName) + ".from-source"
}
func (scope *apiScope) exportableSourceStubsLibraryModuleName(baseName string) string {
return scope.exportableStubsLibraryModuleName(baseName) + ".from-source"
}
func (scope *apiScope) stubsLibraryModuleName(baseName string) string {
return baseName + scope.stubsLibraryModuleNameSuffix()
}
func (scope *apiScope) exportableStubsLibraryModuleName(baseName string) string {
return baseName + scope.exportableStubsLibraryModuleNameSuffix()
}
func (scope *apiScope) stubsSourceModuleName(baseName string) string {
return baseName + ".stubs.source" + scope.moduleSuffix
}
func (scope *apiScope) String() string {
return scope.name
}
// snapshotRelativeDir returns the snapshot directory into which the files related to scopes will
// be stored.
func (scope *apiScope) snapshotRelativeDir() string {
return filepath.Join("sdk_library", scope.name)
}
// snapshotRelativeCurrentApiTxtPath returns the snapshot path to the API .txt file for the named
// library.
func (scope *apiScope) snapshotRelativeCurrentApiTxtPath(name string) string {
return filepath.Join(scope.snapshotRelativeDir(), name+".txt")
}
// snapshotRelativeRemovedApiTxtPath returns the snapshot path to the removed API .txt file for the
// named library.
func (scope *apiScope) snapshotRelativeRemovedApiTxtPath(name string) string {
return filepath.Join(scope.snapshotRelativeDir(), name+"-removed.txt")
}
type apiScopes []*apiScope
func (scopes apiScopes) Strings(accessor func(*apiScope) string) []string {
var list []string
for _, scope := range scopes {
list = append(list, accessor(scope))
}
return list
}
// Method that maps the apiScopes properties to the index of each apiScopes elements.
// apiScopes property to be used as the key can be specified with the input accessor.
// Only a string property of apiScope can be used as the key of the map.
func (scopes apiScopes) MapToIndex(accessor func(*apiScope) string) map[string]int {
ret := make(map[string]int)
for i, scope := range scopes {
ret[accessor(scope)] = i
}
return ret
}
func (scopes apiScopes) ConvertStubsLibraryExportableToEverything(name string) string {
for _, scope := range scopes {
if strings.HasSuffix(name, scope.exportableStubsLibraryModuleNameSuffix()) {
return strings.TrimSuffix(name, scope.exportableStubsLibraryModuleNameSuffix()) +
scope.stubsLibraryModuleNameSuffix()
}
}
return name
}
var (
scopeByName = make(map[string]*apiScope)
allScopeNames []string
apiScopePublic = initApiScope(&apiScope{
name: "public",
// Public scope is enabled by default for both legacy and non-legacy modes.
legacyEnabledStatus: func(module *SdkLibrary) bool {
return true
},
defaultEnabledStatus: true,
scopeSpecificProperties: func(module *SdkLibrary) *ApiScopeProperties {
return &module.sdkLibraryProperties.Public
},
sdkVersion: "current",
kind: android.SdkPublic,
})
apiScopeSystem = initApiScope(&apiScope{
name: "system",
extends: apiScopePublic,
legacyEnabledStatus: (*SdkLibrary).generateTestAndSystemScopesByDefault,
scopeSpecificProperties: func(module *SdkLibrary) *ApiScopeProperties {
return &module.sdkLibraryProperties.System
},
apiFilePrefix: "system-",
moduleSuffix: ".system",
sdkVersion: "system_current",
annotation: "android.annotation.SystemApi(client=android.annotation.SystemApi.Client.PRIVILEGED_APPS)",
kind: android.SdkSystem,
})
apiScopeTest = initApiScope(&apiScope{
name: "test",
extends: apiScopeSystem,
legacyEnabledStatus: (*SdkLibrary).generateTestAndSystemScopesByDefault,
scopeSpecificProperties: func(module *SdkLibrary) *ApiScopeProperties {
return &module.sdkLibraryProperties.Test
},
apiFilePrefix: "test-",
moduleSuffix: ".test",
sdkVersion: "test_current",
annotation: "android.annotation.TestApi",
unstable: true,
kind: android.SdkTest,
})
apiScopeModuleLib = initApiScope(&apiScope{
name: "module-lib",
extends: apiScopeSystem,
// The module-lib scope is disabled by default in legacy mode.
//
// Enabling this would break existing usages.
legacyEnabledStatus: func(module *SdkLibrary) bool {
return false
},
scopeSpecificProperties: func(module *SdkLibrary) *ApiScopeProperties {
return &module.sdkLibraryProperties.Module_lib
},
apiFilePrefix: "module-lib-",
moduleSuffix: ".module_lib",
sdkVersion: "module_current",
annotation: "android.annotation.SystemApi(client=android.annotation.SystemApi.Client.MODULE_LIBRARIES)",
kind: android.SdkModule,
})
apiScopeSystemServer = initApiScope(&apiScope{
name: "system-server",
extends: apiScopePublic,
// The system-server scope can access the module-lib scope.
//
// A module that provides a system-server API is appended to the standard bootclasspath that is
// used by the system server. So, it should be able to access module-lib APIs provided by
// libraries on the bootclasspath.
canAccess: apiScopeModuleLib,
// The system-server scope is disabled by default in legacy mode.
//
// Enabling this would break existing usages.
legacyEnabledStatus: func(module *SdkLibrary) bool {
return false
},
scopeSpecificProperties: func(module *SdkLibrary) *ApiScopeProperties {
return &module.sdkLibraryProperties.System_server
},
apiFilePrefix: "system-server-",
moduleSuffix: ".system_server",
sdkVersion: "system_server_current",
annotation: "android.annotation.SystemApi(client=android.annotation.SystemApi.Client.SYSTEM_SERVER)",
extraArgs: []string{
"--hide-annotation", "android.annotation.Hide",
// com.android.* classes are okay in this interface"
"--hide", "InternalClasses",
},
kind: android.SdkSystemServer,
})
AllApiScopes = apiScopes{
apiScopePublic,
apiScopeSystem,
apiScopeTest,
apiScopeModuleLib,
apiScopeSystemServer,
}
apiLibraryAdditionalProperties = map[string]string{
"legacy.i18n.module.platform.api": "i18n.module.public.api.stubs.source.api.contribution",
"stable.i18n.module.platform.api": "i18n.module.public.api.stubs.source.api.contribution",
"conscrypt.module.platform.api": "conscrypt.module.public.api.stubs.source.api.contribution",
}
)
var (
javaSdkLibrariesLock sync.Mutex
)
// TODO: these are big features that are currently missing
// 1) disallowing linking to the runtime shared lib
// 2) HTML generation
func init() {
RegisterSdkLibraryBuildComponents(android.InitRegistrationContext)
android.RegisterMakeVarsProvider(pctx, func(ctx android.MakeVarsContext) {
javaSdkLibraries := javaSdkLibraries(ctx.Config())
sort.Strings(*javaSdkLibraries)
ctx.Strict("JAVA_SDK_LIBRARIES", strings.Join(*javaSdkLibraries, " "))
})
// Register sdk member types.
android.RegisterSdkMemberType(javaSdkLibrarySdkMemberType)
}
func RegisterSdkLibraryBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("java_sdk_library", SdkLibraryFactory)
ctx.RegisterModuleType("java_sdk_library_import", sdkLibraryImportFactory)
}
// Properties associated with each api scope.
type ApiScopeProperties struct {
// Indicates whether the api surface is generated.
//
// If this is set for any scope then all scopes must explicitly specify if they
// are enabled. This is to prevent new usages from depending on legacy behavior.
//
// Otherwise, if this is not set for any scope then the default behavior is
// scope specific so please refer to the scope specific property documentation.
Enabled *bool
// The sdk_version to use for building the stubs.
//
// If not specified then it will use an sdk_version determined as follows:
//
// 1) If the sdk_version specified on the java_sdk_library is none then this
// will be none. This is used for java_sdk_library instances that are used
// to create stubs that contribute to the core_current sdk version.
// 2) Otherwise, it is assumed that this library extends but does not
// contribute directly to a specific sdk_version and so this uses the
// sdk_version appropriate for the api scope. e.g. public will use
// sdk_version: current, system will use sdk_version: system_current, etc.
//
// This does not affect the sdk_version used for either generating the stubs source
// or the API file. They both have to use the same sdk_version as is used for
// compiling the implementation library.
Sdk_version *string
// Extra libs used when compiling stubs for this scope.
Libs []string
}
type sdkLibraryProperties struct {
// List of source files that are needed to compile the API, but are not part of runtime library.
Api_srcs []string `android:"arch_variant"`
// Visibility for impl library module. If not specified then defaults to the
// visibility property.
Impl_library_visibility []string
// Visibility for stubs library modules. If not specified then defaults to the
// visibility property.
Stubs_library_visibility []string
// Visibility for stubs source modules. If not specified then defaults to the
// visibility property.
Stubs_source_visibility []string
// List of Java libraries that will be in the classpath when building the implementation lib
Impl_only_libs []string `android:"arch_variant"`
// List of Java libraries that will included in the implementation lib.
Impl_only_static_libs []string `android:"arch_variant"`
// List of Java libraries that will be in the classpath when building stubs
Stub_only_libs []string `android:"arch_variant"`
// List of Java libraries that will included in stub libraries
Stub_only_static_libs []string `android:"arch_variant"`
// list of package names that will be documented and publicized as API.
// This allows the API to be restricted to a subset of the source files provided.
// If this is unspecified then all the source files will be treated as being part
// of the API.
Api_packages []string
// the relative path to the directory containing the api specification files.
// Defaults to "api".
Api_dir *string
// Determines whether a runtime implementation library is built; defaults to false.
//
// If true then it also prevents the module from being used as a shared module, i.e.
// it is as if shared_library: false, was set.
Api_only *bool
// local files that are used within user customized droiddoc options.
Droiddoc_option_files []string
// additional droiddoc options.
// Available variables for substitution:
//
// $(location <label>): the path to the droiddoc_option_files with name <label>
Droiddoc_options []string
// is set to true, Metalava will allow framework SDK to contain annotations.
Annotations_enabled *bool
// a list of top-level directories containing files to merge qualifier annotations
// (i.e. those intended to be included in the stubs written) from.
Merge_annotations_dirs []string
// a list of top-level directories containing Java stub files to merge show/hide annotations from.
Merge_inclusion_annotations_dirs []string
// If set to true then don't create dist rules.
No_dist *bool
// The stem for the artifacts that are copied to the dist, if not specified
// then defaults to the base module name.
//
// For each scope the following artifacts are copied to the apistubs/<scope>
// directory in the dist.
// * stubs impl jar -> <dist-stem>.jar
// * API specification file -> api/<dist-stem>.txt
// * Removed API specification file -> api/<dist-stem>-removed.txt
//
// Also used to construct the name of the filegroup (created by prebuilt_apis)
// that references the latest released API and remove API specification files.
// * API specification filegroup -> <dist-stem>.api.<scope>.latest
// * Removed API specification filegroup -> <dist-stem>-removed.api.<scope>.latest
// * API incompatibilities baseline filegroup -> <dist-stem>-incompatibilities.api.<scope>.latest
Dist_stem *string
// The subdirectory for the artifacts that are copied to the dist directory. If not specified
// then defaults to "unknown". Should be set to "android" for anything that should be published
// in the public Android SDK.
Dist_group *string
// A compatibility mode that allows historical API-tracking files to not exist.
// Do not use.
Unsafe_ignore_missing_latest_api bool
// indicates whether system and test apis should be generated.
Generate_system_and_test_apis bool `blueprint:"mutated"`
// The properties specific to the public api scope
//
// Unless explicitly specified by using public.enabled the public api scope is
// enabled by default in both legacy and non-legacy mode.
Public ApiScopeProperties
// The properties specific to the system api scope
//
// In legacy mode the system api scope is enabled by default when sdk_version
// is set to something other than "none".
//
// In non-legacy mode the system api scope is disabled by default.
System ApiScopeProperties
// The properties specific to the test api scope
//
// In legacy mode the test api scope is enabled by default when sdk_version
// is set to something other than "none".
//
// In non-legacy mode the test api scope is disabled by default.
Test ApiScopeProperties
// The properties specific to the module-lib api scope
//
// Unless explicitly specified by using module_lib.enabled the module_lib api
// scope is disabled by default.
Module_lib ApiScopeProperties
// The properties specific to the system-server api scope
//
// Unless explicitly specified by using system_server.enabled the
// system_server api scope is disabled by default.
System_server ApiScopeProperties
// Determines if the stubs are preferred over the implementation library
// for linking, even when the client doesn't specify sdk_version. When this
// is set to true, such clients are provided with the widest API surface that
// this lib provides. Note however that this option doesn't affect the clients
// that are in the same APEX as this library. In that case, the clients are
// always linked with the implementation library. Default is false.
Default_to_stubs *bool
// Properties related to api linting.
Api_lint struct {
// Enable api linting.
Enabled *bool
// If API lint is enabled, this flag controls whether a set of legitimate lint errors
// are turned off. The default is true.
Legacy_errors_allowed *bool
}
// a list of aconfig_declarations module names that the stubs generated in this module
// depend on.
Aconfig_declarations []string
// Determines if the module generates the stubs from the api signature files
// instead of the source Java files. Defaults to true.
Build_from_text_stub *bool
// TODO: determines whether to create HTML doc or not
// Html_doc *bool
}
// Paths to outputs from java_sdk_library and java_sdk_library_import.
//
// Fields that are android.Paths are always set (during GenerateAndroidBuildActions).
// OptionalPaths are always set by java_sdk_library but may not be set by
// java_sdk_library_import as not all instances provide that information.
type scopePaths struct {
// The path (represented as Paths for convenience when returning) to the stubs header jar.
//
// That is the jar that is created by turbine.
stubsHeaderPath android.Paths
// The path (represented as Paths for convenience when returning) to the stubs implementation jar.
//
// This is not the implementation jar, it still only contains stubs.
stubsImplPath android.Paths
// The dex jar for the stubs.
//
// This is not the implementation jar, it still only contains stubs.
stubsDexJarPath OptionalDexJarPath
// The exportable dex jar for the stubs.
// This is not the implementation jar, it still only contains stubs.
// Includes unflagged apis and flagged apis enabled by release configurations.
exportableStubsDexJarPath OptionalDexJarPath
// The API specification file, e.g. system_current.txt.
currentApiFilePath android.OptionalPath
// The specification of API elements removed since the last release.
removedApiFilePath android.OptionalPath
// The stubs source jar.
stubsSrcJar android.OptionalPath
// Extracted annotations.
annotationsZip android.OptionalPath
// The path to the latest API file.
latestApiPaths android.Paths
// The path to the latest removed API file.
latestRemovedApiPaths android.Paths
}
func (paths *scopePaths) extractStubsLibraryInfoFromDependency(ctx android.ModuleContext, dep android.Module) error {
if lib, ok := android.OtherModuleProvider(ctx, dep, JavaInfoProvider); ok {
paths.stubsHeaderPath = lib.HeaderJars
paths.stubsImplPath = lib.ImplementationJars
libDep := dep.(UsesLibraryDependency)
paths.stubsDexJarPath = libDep.DexJarBuildPath(ctx)
paths.exportableStubsDexJarPath = libDep.DexJarBuildPath(ctx)
return nil
} else {
return fmt.Errorf("expected module that has JavaInfoProvider, e.g. java_library")
}
}
func (paths *scopePaths) extractEverythingStubsLibraryInfoFromDependency(ctx android.ModuleContext, dep android.Module) error {
if lib, ok := android.OtherModuleProvider(ctx, dep, JavaInfoProvider); ok {
paths.stubsHeaderPath = lib.HeaderJars
if !ctx.Config().ReleaseHiddenApiExportableStubs() {
paths.stubsImplPath = lib.ImplementationJars
}
libDep := dep.(UsesLibraryDependency)
paths.stubsDexJarPath = libDep.DexJarBuildPath(ctx)
return nil
} else {
return fmt.Errorf("expected module that has JavaInfoProvider, e.g. java_library")
}
}
func (paths *scopePaths) extractExportableStubsLibraryInfoFromDependency(ctx android.ModuleContext, dep android.Module) error {
if lib, ok := android.OtherModuleProvider(ctx, dep, JavaInfoProvider); ok {
if ctx.Config().ReleaseHiddenApiExportableStubs() {
paths.stubsImplPath = lib.ImplementationJars
}
libDep := dep.(UsesLibraryDependency)
paths.exportableStubsDexJarPath = libDep.DexJarBuildPath(ctx)
return nil
} else {
return fmt.Errorf("expected module that has JavaInfoProvider, e.g. java_library")
}
}
func (paths *scopePaths) treatDepAsApiStubsProvider(dep android.Module, action func(provider ApiStubsProvider) error) error {
if apiStubsProvider, ok := dep.(ApiStubsProvider); ok {
err := action(apiStubsProvider)
if err != nil {
return err
}
return nil
} else {
return fmt.Errorf("expected module that implements ExportableApiStubsSrcProvider, e.g. droidstubs")
}
}
func (paths *scopePaths) treatDepAsApiStubsSrcProvider(dep android.Module, action func(provider ApiStubsSrcProvider) error) error {
if apiStubsProvider, ok := dep.(ApiStubsSrcProvider); ok {
err := action(apiStubsProvider)
if err != nil {
return err
}
return nil
} else {
return fmt.Errorf("expected module that implements ApiStubsSrcProvider, e.g. droidstubs")
}
}
func (paths *scopePaths) extractApiInfoFromApiStubsProvider(provider ApiStubsProvider, stubsType StubsType) error {
var annotationsZip, currentApiFilePath, removedApiFilePath android.Path
annotationsZip, annotationsZipErr := provider.AnnotationsZip(stubsType)
currentApiFilePath, currentApiFilePathErr := provider.ApiFilePath(stubsType)
removedApiFilePath, removedApiFilePathErr := provider.RemovedApiFilePath(stubsType)
combinedError := errors.Join(annotationsZipErr, currentApiFilePathErr, removedApiFilePathErr)
if combinedError == nil {
paths.annotationsZip = android.OptionalPathForPath(annotationsZip)
paths.currentApiFilePath = android.OptionalPathForPath(currentApiFilePath)
paths.removedApiFilePath = android.OptionalPathForPath(removedApiFilePath)
}
return combinedError
}
func (paths *scopePaths) extractStubsSourceInfoFromApiStubsProviders(provider ApiStubsSrcProvider, stubsType StubsType) error {
stubsSrcJar, err := provider.StubsSrcJar(stubsType)
if err == nil {
paths.stubsSrcJar = android.OptionalPathForPath(stubsSrcJar)
}
return err
}
func (paths *scopePaths) extractStubsSourceInfoFromDep(ctx android.ModuleContext, dep android.Module) error {
stubsType := Everything
if ctx.Config().ReleaseHiddenApiExportableStubs() {
stubsType = Exportable
}
return paths.treatDepAsApiStubsSrcProvider(dep, func(provider ApiStubsSrcProvider) error {
return paths.extractStubsSourceInfoFromApiStubsProviders(provider, stubsType)
})
}
func (paths *scopePaths) extractStubsSourceAndApiInfoFromApiStubsProvider(ctx android.ModuleContext, dep android.Module) error {
stubsType := Everything
if ctx.Config().ReleaseHiddenApiExportableStubs() {
stubsType = Exportable
}
return paths.treatDepAsApiStubsProvider(dep, func(provider ApiStubsProvider) error {
extractApiInfoErr := paths.extractApiInfoFromApiStubsProvider(provider, stubsType)
extractStubsSourceInfoErr := paths.extractStubsSourceInfoFromApiStubsProviders(provider, stubsType)
return errors.Join(extractApiInfoErr, extractStubsSourceInfoErr)
})
}
func extractOutputPaths(dep android.Module) (android.Paths, error) {
var paths android.Paths
if sourceFileProducer, ok := dep.(android.SourceFileProducer); ok {
paths = sourceFileProducer.Srcs()
return paths, nil
} else {
return nil, fmt.Errorf("module %q does not produce source files", dep)
}
}
func (paths *scopePaths) extractLatestApiPath(ctx android.ModuleContext, dep android.Module) error {
outputPaths, err := extractOutputPaths(dep)
paths.latestApiPaths = outputPaths
return err
}
func (paths *scopePaths) extractLatestRemovedApiPath(ctx android.ModuleContext, dep android.Module) error {
outputPaths, err := extractOutputPaths(dep)
paths.latestRemovedApiPaths = outputPaths
return err
}
type commonToSdkLibraryAndImportProperties struct {
// Specifies whether this module can be used as an Android shared library; defaults
// to true.
//
// An Android shared library is one that can be referenced in a <uses-library> element
// in an AndroidManifest.xml.
Shared_library *bool
// Files containing information about supported java doc tags.
Doctag_files []string `android:"path"`
// Signals that this shared library is part of the bootclasspath starting
// on the version indicated in this attribute.
//
// This will make platforms at this level and above to ignore
// <uses-library> tags with this library name because the library is already
// available
On_bootclasspath_since *string
// Signals that this shared library was part of the bootclasspath before
// (but not including) the version indicated in this attribute.
//
// The system will automatically add a <uses-library> tag with this library to
// apps that target any SDK less than the version indicated in this attribute.
On_bootclasspath_before *string
// Indicates that PackageManager should ignore this shared library if the
// platform is below the version indicated in this attribute.
//
// This means that the device won't recognise this library as installed.
Min_device_sdk *string
// Indicates that PackageManager should ignore this shared library if the
// platform is above the version indicated in this attribute.
//
// This means that the device won't recognise this library as installed.
Max_device_sdk *string
}
// commonSdkLibraryAndImportModule defines the interface that must be provided by a module that
// embeds the commonToSdkLibraryAndImport struct.
type commonSdkLibraryAndImportModule interface {
android.Module
// Returns the name of the root java_sdk_library that creates the child stub libraries
// This is the `name` as it appears in Android.bp, and not the name in Soong's build graph
// (with the prebuilt_ prefix)
//
// e.g. in the following java_sdk_library_import
// java_sdk_library_import {
// name: "framework-foo.v1",
// source_module_name: "framework-foo",
// }
// the values returned by
// 1. Name(): prebuilt_framework-foo.v1 # unique
// 2. BaseModuleName(): framework-foo # the source
// 3. RootLibraryName: framework-foo.v1 # the undecordated `name` from Android.bp
RootLibraryName() string
}
func (m *SdkLibrary) RootLibraryName() string {
return m.BaseModuleName()
}
func (m *SdkLibraryImport) RootLibraryName() string {
// m.BaseModuleName refers to the source of the import
// use moduleBase.Name to get the name of the module as it appears in the .bp file
return m.ModuleBase.Name()
}
// Common code between sdk library and sdk library import
type commonToSdkLibraryAndImport struct {
module commonSdkLibraryAndImportModule
scopePaths map[*apiScope]*scopePaths
commonSdkLibraryProperties commonToSdkLibraryAndImportProperties
// Paths to commonSdkLibraryProperties.Doctag_files
doctagPaths android.Paths
// Functionality related to this being used as a component of a java_sdk_library.
EmbeddableSdkLibraryComponent
// Path to the header jars of the implementation library
// This is non-empty only when api_only is false.
implLibraryHeaderJars android.Paths
// The reference to the implementation library created by the source module.
// Is nil if the source module does not exist.
implLibraryModule *Library
}
func (c *commonToSdkLibraryAndImport) initCommon(module commonSdkLibraryAndImportModule) {
c.module = module
module.AddProperties(&c.commonSdkLibraryProperties)
// Initialize this as an sdk library component.
c.initSdkLibraryComponent(module)
}
func (c *commonToSdkLibraryAndImport) initCommonAfterDefaultsApplied() bool {
namePtr := proptools.StringPtr(c.module.RootLibraryName())
c.sdkLibraryComponentProperties.SdkLibraryName = namePtr
// Only track this sdk library if this can be used as a shared library.
if c.sharedLibrary() {
// Use the name specified in the module definition as the owner.
c.sdkLibraryComponentProperties.SdkLibraryToImplicitlyTrack = namePtr
}
return true
}
// uniqueApexVariations provides common implementation of the ApexModule.UniqueApexVariations
// method.
func (c *commonToSdkLibraryAndImport) uniqueApexVariations() bool {
// A java_sdk_library that is a shared library produces an XML file that makes the shared library
// usable from an AndroidManifest.xml's <uses-library> entry. That XML file contains the name of
// the APEX and so it needs a unique variation per APEX.
return c.sharedLibrary()
}
func (c *commonToSdkLibraryAndImport) generateCommonBuildActions(ctx android.ModuleContext) SdkLibraryInfo {
c.doctagPaths = android.PathsForModuleSrc(ctx, c.commonSdkLibraryProperties.Doctag_files)
everythingStubPaths := make(map[android.SdkKind]OptionalDexJarPath)
exportableStubPaths := make(map[android.SdkKind]OptionalDexJarPath)
removedApiFilePaths := make(map[android.SdkKind]android.OptionalPath)
for kind := android.SdkNone; kind <= android.SdkPrivate; kind += 1 {
everythingStubPath := makeUnsetDexJarPath()
exportableStubPath := makeUnsetDexJarPath()
removedApiFilePath := android.OptionalPath{}
if scopePath := c.findClosestScopePath(sdkKindToApiScope(kind)); scopePath != nil {
everythingStubPath = scopePath.stubsDexJarPath
exportableStubPath = scopePath.exportableStubsDexJarPath
removedApiFilePath = scopePath.removedApiFilePath
}
everythingStubPaths[kind] = everythingStubPath
exportableStubPaths[kind] = exportableStubPath
removedApiFilePaths[kind] = removedApiFilePath
}
return SdkLibraryInfo{
EverythingStubDexJarPaths: everythingStubPaths,
ExportableStubDexJarPaths: exportableStubPaths,
RemovedTxtFiles: removedApiFilePaths,
SharedLibrary: c.sharedLibrary(),
}
}
// The component names for different outputs of the java_sdk_library.
//
// They are similar to the names used for the child modules it creates
const (
stubsSourceComponentName = "stubs.source"
apiTxtComponentName = "api.txt"
removedApiTxtComponentName = "removed-api.txt"
annotationsComponentName = "annotations.zip"
)
func (module *commonToSdkLibraryAndImport) setOutputFiles(ctx android.ModuleContext) {
if module.doctagPaths != nil {
ctx.SetOutputFiles(module.doctagPaths, ".doctags")
}
for _, scopeName := range android.SortedKeys(scopeByName) {
paths := module.findScopePaths(scopeByName[scopeName])
if paths == nil {
continue
}
componentToOutput := map[string]android.OptionalPath{
stubsSourceComponentName: paths.stubsSrcJar,
apiTxtComponentName: paths.currentApiFilePath,
removedApiTxtComponentName: paths.removedApiFilePath,
annotationsComponentName: paths.annotationsZip,
}
for _, component := range android.SortedKeys(componentToOutput) {
if componentToOutput[component].Valid() {
ctx.SetOutputFiles(android.Paths{componentToOutput[component].Path()}, "."+scopeName+"."+component)
}
}
}
}
func (c *commonToSdkLibraryAndImport) getScopePathsCreateIfNeeded(scope *apiScope) *scopePaths {
if c.scopePaths == nil {
c.scopePaths = make(map[*apiScope]*scopePaths)
}
paths := c.scopePaths[scope]
if paths == nil {
paths = &scopePaths{}
c.scopePaths[scope] = paths
}
return paths
}
func (c *commonToSdkLibraryAndImport) findScopePaths(scope *apiScope) *scopePaths {
if c.scopePaths == nil {
return nil
}
return c.scopePaths[scope]
}
// If this does not support the requested api scope then find the closest available
// scope it does support. Returns nil if no such scope is available.
func (c *commonToSdkLibraryAndImport) findClosestScopePath(scope *apiScope) *scopePaths {
for s := scope; s != nil; s = s.canAccess {
if paths := c.findScopePaths(s); paths != nil {
return paths
}
}
// This should never happen outside tests as public should be the base scope for every
// scope and is enabled by default.
return nil
}
// sdkKindToApiScope maps from android.SdkKind to apiScope.
func sdkKindToApiScope(kind android.SdkKind) *apiScope {
var apiScope *apiScope
switch kind {
case android.SdkSystem:
apiScope = apiScopeSystem
case android.SdkModule:
apiScope = apiScopeModuleLib
case android.SdkTest:
apiScope = apiScopeTest
case android.SdkSystemServer:
apiScope = apiScopeSystemServer
default:
apiScope = apiScopePublic
}
return apiScope
}
func (c *commonToSdkLibraryAndImport) sdkComponentPropertiesForChildLibrary() interface{} {
componentProps := &struct {
SdkLibraryName *string
SdkLibraryToImplicitlyTrack *string
}{}
namePtr := proptools.StringPtr(c.module.RootLibraryName())
componentProps.SdkLibraryName = namePtr
if c.sharedLibrary() {
// Mark the stubs library as being components of this java_sdk_library so that
// any app that includes code which depends (directly or indirectly) on the stubs
// library will have the appropriate <uses-library> invocation inserted into its
// manifest if necessary.
componentProps.SdkLibraryToImplicitlyTrack = namePtr
}
return componentProps
}
func (c *commonToSdkLibraryAndImport) sharedLibrary() bool {
return proptools.BoolDefault(c.commonSdkLibraryProperties.Shared_library, true)
}
// Check if the stub libraries should be compiled for dex
func (c *commonToSdkLibraryAndImport) stubLibrariesCompiledForDex() bool {
// Always compile the dex file files for the stub libraries if they will be used on the
// bootclasspath.
return !c.sharedLibrary()
}
// Properties related to the use of a module as an component of a java_sdk_library.
type SdkLibraryComponentProperties struct {
// The name of the java_sdk_library/_import module.
SdkLibraryName *string `blueprint:"mutated"`
// The name of the java_sdk_library/_import to add to a <uses-library> entry
// in the AndroidManifest.xml of any Android app that includes code that references
// this module. If not set then no java_sdk_library/_import is tracked.
SdkLibraryToImplicitlyTrack *string `blueprint:"mutated"`
}
// Structure to be embedded in a module struct that needs to support the
// SdkLibraryComponentDependency interface.
type EmbeddableSdkLibraryComponent struct {
sdkLibraryComponentProperties SdkLibraryComponentProperties
}
func (e *EmbeddableSdkLibraryComponent) initSdkLibraryComponent(module android.Module) {
module.AddProperties(&e.sdkLibraryComponentProperties)
}
// to satisfy SdkLibraryComponentDependency
func (e *EmbeddableSdkLibraryComponent) SdkLibraryName() *string {
return e.sdkLibraryComponentProperties.SdkLibraryName
}
// to satisfy SdkLibraryComponentDependency
func (e *EmbeddableSdkLibraryComponent) OptionalSdkLibraryImplementation() *string {
// For shared libraries, this is the same as the SDK library name. If a Java library or app
// depends on a component library (e.g. a stub library) it still needs to know the name of the
// run-time library and the corresponding module that provides the implementation. This name is
// passed to manifest_fixer (to be added to AndroidManifest.xml) and added to CLC (to be used
// in dexpreopt).
//
// For non-shared SDK (component or not) libraries this returns `nil`, as they are not
// <uses-library> and should not be added to the manifest or to CLC.
return e.sdkLibraryComponentProperties.SdkLibraryToImplicitlyTrack
}
// Implemented by modules that are (or possibly could be) a component of a java_sdk_library
// (including the java_sdk_library) itself.
type SdkLibraryComponentDependency interface {
UsesLibraryDependency
// SdkLibraryName returns the name of the java_sdk_library/_import module.
SdkLibraryName() *string
// The name of the implementation library for the optional SDK library or nil, if there isn't one.
OptionalSdkLibraryImplementation() *string
}
// Make sure that all the module types that are components of java_sdk_library/_import
// and which can be referenced (directly or indirectly) from an android app implement
// the SdkLibraryComponentDependency interface.
var _ SdkLibraryComponentDependency = (*Library)(nil)
var _ SdkLibraryComponentDependency = (*Import)(nil)
var _ SdkLibraryComponentDependency = (*SdkLibrary)(nil)
var _ SdkLibraryComponentDependency = (*SdkLibraryImport)(nil)
type SdkLibraryInfo struct {
// GeneratingLibs is the names of the library modules that this sdk library
// generates. Note that this only includes the name of the modules that other modules can
// depend on, and is not a holistic list of generated modules.
GeneratingLibs []string
// Map of sdk kind to the dex jar for the "everything" stubs.
// It is needed by the hiddenapi processing tool which processes dex files.
EverythingStubDexJarPaths map[android.SdkKind]OptionalDexJarPath
// Map of sdk kind to the dex jar for the "exportable" stubs.
// It is needed by the hiddenapi processing tool which processes dex files.
ExportableStubDexJarPaths map[android.SdkKind]OptionalDexJarPath
// Map of sdk kind to the optional path to the removed.txt file.
RemovedTxtFiles map[android.SdkKind]android.OptionalPath
// Whether if this can be used as a shared library.
SharedLibrary bool
}
var SdkLibraryInfoProvider = blueprint.NewProvider[SdkLibraryInfo]()
func getGeneratingLibs(ctx android.ModuleContext, sdkVersion android.SdkSpec, sdkLibraryModuleName string, sdkInfo SdkLibraryInfo) []string {
apiLevel := sdkVersion.ApiLevel
if apiLevel.IsPreview() {
return sdkInfo.GeneratingLibs
}
generatingPrebuilts := []string{}
for _, apiScope := range AllApiScopes {
scopePrebuiltModuleName := prebuiltApiModuleName("sdk", sdkLibraryModuleName, apiScope.name, apiLevel.String())
if ctx.OtherModuleExists(scopePrebuiltModuleName) {
generatingPrebuilts = append(generatingPrebuilts, scopePrebuiltModuleName)
}
}
return generatingPrebuilts
}
type SdkLibrary struct {
Library
sdkLibraryProperties sdkLibraryProperties
// Map from api scope to the scope specific property structure.
scopeToProperties map[*apiScope]*ApiScopeProperties
commonToSdkLibraryAndImport
builtInstalledForApex []dexpreopterInstall
}
func (module *SdkLibrary) generateTestAndSystemScopesByDefault() bool {
return module.sdkLibraryProperties.Generate_system_and_test_apis
}
var _ UsesLibraryDependency = (*SdkLibrary)(nil)
// To satisfy the UsesLibraryDependency interface
func (module *SdkLibrary) DexJarBuildPath(ctx android.ModuleErrorfContext) OptionalDexJarPath {
if module.implLibraryModule != nil {
return module.implLibraryModule.DexJarBuildPath(ctx)
}
return makeUnsetDexJarPath()
}
// To satisfy the UsesLibraryDependency interface
func (module *SdkLibrary) DexJarInstallPath() android.Path {
if module.implLibraryModule != nil {
return module.implLibraryModule.DexJarInstallPath()
}
return nil
}
func (module *SdkLibrary) getGeneratedApiScopes(ctx android.EarlyModuleContext) apiScopes {
// Check to see if any scopes have been explicitly enabled. If any have then all
// must be.
anyScopesExplicitlyEnabled := false
for _, scope := range AllApiScopes {
scopeProperties := module.scopeToProperties[scope]
if scopeProperties.Enabled != nil {
anyScopesExplicitlyEnabled = true
break
}
}
var generatedScopes apiScopes
enabledScopes := make(map[*apiScope]struct{})
for _, scope := range AllApiScopes {
scopeProperties := module.scopeToProperties[scope]
// If any scopes are explicitly enabled then ignore the legacy enabled status.
// This is to ensure that any new usages of this module type do not rely on legacy
// behaviour.
defaultEnabledStatus := false
if anyScopesExplicitlyEnabled {
defaultEnabledStatus = scope.defaultEnabledStatus
} else {
defaultEnabledStatus = scope.legacyEnabledStatus(module)
}
enabled := proptools.BoolDefault(scopeProperties.Enabled, defaultEnabledStatus)
if enabled {
enabledScopes[scope] = struct{}{}
generatedScopes = append(generatedScopes, scope)
}
}
// Now check to make sure that any scope that is extended by an enabled scope is also
// enabled.
for _, scope := range AllApiScopes {
if _, ok := enabledScopes[scope]; ok {
extends := scope.extends
if extends != nil {
if _, ok := enabledScopes[extends]; !ok {
ctx.ModuleErrorf("enabled api scope %q depends on disabled scope %q", scope, extends)
}
}
}
}
return generatedScopes
}
var _ android.ModuleWithMinSdkVersionCheck = (*SdkLibrary)(nil)
func (module *SdkLibrary) CheckMinSdkVersion(ctx android.ModuleContext) {
CheckMinSdkVersion(ctx, &module.Library)
}
func CheckMinSdkVersion(ctx android.ModuleContext, module *Library) {
android.CheckMinSdkVersion(ctx, module.MinSdkVersion(ctx), func(c android.BaseModuleContext, do android.PayloadDepsCallback) {
ctx.WalkDeps(func(child android.Module, parent android.Module) bool {
isExternal := !module.depIsInSameApex(ctx, child)
if am, ok := child.(android.ApexModule); ok {
if !do(ctx, parent, am, isExternal) {
return false
}
}
return !isExternal
})
})
}
type sdkLibraryComponentTag struct {
blueprint.BaseDependencyTag
name string
}
// Mark this tag so dependencies that use it are excluded from visibility enforcement.
func (t sdkLibraryComponentTag) ExcludeFromVisibilityEnforcement() {}
var xmlPermissionsFileTag = sdkLibraryComponentTag{name: "xml-permissions-file"}
func IsXmlPermissionsFileDepTag(depTag blueprint.DependencyTag) bool {
if dt, ok := depTag.(sdkLibraryComponentTag); ok {
return dt == xmlPermissionsFileTag
}
return false
}
var implLibraryTag = sdkLibraryComponentTag{name: "impl-library"}
var _ android.InstallNeededDependencyTag = sdkLibraryComponentTag{}
func (t sdkLibraryComponentTag) InstallDepNeeded() bool {
return t.name == "xml-permissions-file" || t.name == "impl-library"
}
// Add the dependencies on the child modules in the component deps mutator.
func (module *SdkLibrary) ComponentDepsMutator(ctx android.BottomUpMutatorContext) {
for _, apiScope := range module.getGeneratedApiScopes(ctx) {
// Add dependencies to the stubs library
stubModuleName := module.stubsLibraryModuleName(apiScope)
ctx.AddVariationDependencies(nil, apiScope.everythingStubsTag, stubModuleName)
exportableStubModuleName := module.exportableStubsLibraryModuleName(apiScope)
ctx.AddVariationDependencies(nil, apiScope.exportableStubsTag, exportableStubModuleName)
// Add a dependency on the stubs source in order to access both stubs source and api information.
ctx.AddVariationDependencies(nil, apiScope.stubsSourceAndApiTag, module.droidstubsModuleName(apiScope))
if module.compareAgainstLatestApi(apiScope) {
// Add dependencies on the latest finalized version of the API .txt file.
latestApiModuleName := module.latestApiModuleName(apiScope)
ctx.AddDependency(module, apiScope.latestApiModuleTag, latestApiModuleName)
// Add dependencies on the latest finalized version of the remove API .txt file.
latestRemovedApiModuleName := module.latestRemovedApiModuleName(apiScope)
ctx.AddDependency(module, apiScope.latestRemovedApiModuleTag, latestRemovedApiModuleName)
}
}
if module.requiresRuntimeImplementationLibrary() {
// Add dependency to the rule for generating the implementation library.
ctx.AddDependency(module, implLibraryTag, module.implLibraryModuleName())
if module.sharedLibrary() {
// Add dependency to the rule for generating the xml permissions file
ctx.AddDependency(module, xmlPermissionsFileTag, module.xmlPermissionsModuleName())
}
}
}
// Add other dependencies as normal.
func (module *SdkLibrary) DepsMutator(ctx android.BottomUpMutatorContext) {
// If the module does not create an implementation library or defaults to stubs,
// mark the top level sdk library as stubs module as the module will provide stubs via
// "magic" when listed as a dependency in the Android.bp files.
notCreateImplLib := proptools.Bool(module.sdkLibraryProperties.Api_only)
preferStubs := proptools.Bool(module.sdkLibraryProperties.Default_to_stubs)
module.properties.Is_stubs_module = proptools.BoolPtr(notCreateImplLib || preferStubs)
var missingApiModules []string
for _, apiScope := range module.getGeneratedApiScopes(ctx) {
if apiScope.unstable {
continue
}
if m := module.latestApiModuleName(apiScope); !ctx.OtherModuleExists(m) {
missingApiModules = append(missingApiModules, m)
}
if m := module.latestRemovedApiModuleName(apiScope); !ctx.OtherModuleExists(m) {
missingApiModules = append(missingApiModules, m)
}
if m := module.latestIncompatibilitiesModuleName(apiScope); !ctx.OtherModuleExists(m) {
missingApiModules = append(missingApiModules, m)
}
}
if len(missingApiModules) != 0 && !module.sdkLibraryProperties.Unsafe_ignore_missing_latest_api {
m := module.Name() + " is missing tracking files for previously released library versions.\n"
m += "You need to do one of the following:\n"
m += "- Add `unsafe_ignore_missing_latest_api: true` to your blueprint (to disable compat tracking)\n"
m += "- Add a set of prebuilt txt files representing the last released version of this library for compat checking.\n"
m += " (the current set of API files can be used as a seed for this compatibility tracking\n"
m += "\n"
m += "The following filegroup modules are missing:\n "
m += strings.Join(missingApiModules, "\n ") + "\n"
m += "Please see the documentation of the prebuilt_apis module type (and a usage example in prebuilts/sdk) for a convenient way to generate these."
ctx.ModuleErrorf(m)
}
}
func (module *SdkLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext) {
if disableSourceApexVariant(ctx) {
// Prebuilts are active, do not create the installation rules for the source javalib.
// Even though the source javalib is not used, we need to hide it to prevent duplicate installation rules.
// TODO (b/331665856): Implement a principled solution for this.
module.HideFromMake()
module.SkipInstall()
}
module.stem = proptools.StringDefault(module.overridableProperties.Stem, ctx.ModuleName())
module.provideHiddenAPIPropertyInfo(ctx)
// Collate the components exported by this module. All scope specific modules are exported but
// the impl and xml component modules are not.
exportedComponents := map[string]struct{}{}
// Record the paths to the header jars of the library (stubs and impl).
// When this java_sdk_library is depended upon from others via "libs" property,
// the recorded paths will be returned depending on the link type of the caller.
ctx.VisitDirectDeps(func(to android.Module) {
tag := ctx.OtherModuleDependencyTag(to)
// Extract information from any of the scope specific dependencies.
if scopeTag, ok := tag.(scopeDependencyTag); ok {
apiScope := scopeTag.apiScope
scopePaths := module.getScopePathsCreateIfNeeded(apiScope)
// Extract information from the dependency. The exact information extracted
// is determined by the nature of the dependency which is determined by the tag.
scopeTag.extractDepInfo(ctx, to, scopePaths)
exportedComponents[ctx.OtherModuleName(to)] = struct{}{}
ctx.Phony(ctx.ModuleName(), scopePaths.stubsHeaderPath...)
}
if tag == implLibraryTag {
if dep, ok := android.OtherModuleProvider(ctx, to, JavaInfoProvider); ok {
module.implLibraryHeaderJars = append(module.implLibraryHeaderJars, dep.HeaderJars...)
module.implLibraryModule = to.(*Library)
}
}
})
sdkLibInfo := module.generateCommonBuildActions(ctx)
apexInfo, _ := android.ModuleProvider(ctx, android.ApexInfoProvider)
if !apexInfo.IsForPlatform() {
module.hideApexVariantFromMake = true
}
if module.implLibraryModule != nil {
if ctx.Device() {
module.classesJarPaths = android.Paths{module.implLibraryModule.implementationJarFile}
module.bootDexJarPath = module.implLibraryModule.bootDexJarPath
module.uncompressDexState = module.implLibraryModule.uncompressDexState
module.active = module.implLibraryModule.active
}
module.outputFile = module.implLibraryModule.outputFile
module.dexJarFile = makeDexJarPathFromPath(module.implLibraryModule.dexJarFile.Path())
module.headerJarFile = module.implLibraryModule.headerJarFile
module.implementationAndResourcesJar = module.implLibraryModule.implementationAndResourcesJar
module.builtInstalledForApex = module.implLibraryModule.builtInstalledForApex
module.dexpreopter.configPath = module.implLibraryModule.dexpreopter.configPath
module.dexpreopter.outputProfilePathOnHost = module.implLibraryModule.dexpreopter.outputProfilePathOnHost
// Properties required for Library.AndroidMkEntries
module.logtagsSrcs = module.implLibraryModule.logtagsSrcs
module.dexpreopter.builtInstalled = module.implLibraryModule.dexpreopter.builtInstalled
module.jacocoReportClassesFile = module.implLibraryModule.jacocoReportClassesFile
module.dexer.proguardDictionary = module.implLibraryModule.dexer.proguardDictionary
module.dexer.proguardUsageZip = module.implLibraryModule.dexer.proguardUsageZip
module.linter.reports = module.implLibraryModule.linter.reports
if lintInfo, ok := android.OtherModuleProvider(ctx, module.implLibraryModule, LintProvider); ok {
android.SetProvider(ctx, LintProvider, lintInfo)
}
if !module.Host() {
module.hostdexInstallFile = module.implLibraryModule.hostdexInstallFile
}
if installFilesInfo, ok := android.OtherModuleProvider(ctx, module.implLibraryModule, android.InstallFilesProvider); ok {
if installFilesInfo.CheckbuildTarget != nil {
ctx.CheckbuildFile(installFilesInfo.CheckbuildTarget)
}
}
android.SetProvider(ctx, blueprint.SrcsFileProviderKey, blueprint.SrcsFileProviderData{SrcPaths: module.implLibraryModule.uniqueSrcFiles.Strings()})
}
// Make the set of components exported by this module available for use elsewhere.
exportedComponentInfo := android.ExportedComponentsInfo{Components: android.SortedKeys(exportedComponents)}
android.SetProvider(ctx, android.ExportedComponentsInfoProvider, exportedComponentInfo)
// Provide additional information for inclusion in an sdk's generated .info file.
additionalSdkInfo := map[string]interface{}{}
additionalSdkInfo["dist_stem"] = module.distStem()
baseModuleName := module.distStem()
scopes := map[string]interface{}{}
additionalSdkInfo["scopes"] = scopes
for scope, scopePaths := range module.scopePaths {
scopeInfo := map[string]interface{}{}
scopes[scope.name] = scopeInfo
scopeInfo["current_api"] = scope.snapshotRelativeCurrentApiTxtPath(baseModuleName)
scopeInfo["removed_api"] = scope.snapshotRelativeRemovedApiTxtPath(baseModuleName)
if p := scopePaths.latestApiPaths; len(p) > 0 {
// The last path in the list is the one that applies to this scope, the
// preceding ones, if any, are for the scope(s) that it extends.
scopeInfo["latest_api"] = p[len(p)-1].String()
}
if p := scopePaths.latestRemovedApiPaths; len(p) > 0 {
// The last path in the list is the one that applies to this scope, the
// preceding ones, if any, are for the scope(s) that it extends.
scopeInfo["latest_removed_api"] = p[len(p)-1].String()
}
}
android.SetProvider(ctx, android.AdditionalSdkInfoProvider, android.AdditionalSdkInfo{additionalSdkInfo})
module.setOutputFiles(ctx)
var generatingLibs []string
for _, apiScope := range AllApiScopes {
if _, ok := module.scopePaths[apiScope]; ok {
generatingLibs = append(generatingLibs, module.stubsLibraryModuleName(apiScope))
}
}
if module.requiresRuntimeImplementationLibrary() && module.implLibraryModule != nil {
generatingLibs = append(generatingLibs, module.implLibraryModuleName())
setOutputFiles(ctx, module.implLibraryModule.Module)
}
sdkLibInfo.GeneratingLibs = generatingLibs
android.SetProvider(ctx, SdkLibraryInfoProvider, sdkLibInfo)
}
func (module *SdkLibrary) BuiltInstalledForApex() []dexpreopterInstall {
return module.builtInstalledForApex
}
func (module *SdkLibrary) AndroidMkEntries() []android.AndroidMkEntries {
if !module.requiresRuntimeImplementationLibrary() {
return nil
}
entriesList := module.Library.AndroidMkEntries()
entries := &entriesList[0]
entries.Required = append(entries.Required, module.implLibraryModuleName())
if module.sharedLibrary() {
entries.Required = append(entries.Required, module.xmlPermissionsModuleName())
}
return entriesList
}
// The dist path of the stub artifacts
func (module *SdkLibrary) apiDistPath(apiScope *apiScope) string {
return path.Join("apistubs", module.distGroup(), apiScope.name)
}
// Get the sdk version for use when compiling the stubs library.
func (module *SdkLibrary) sdkVersionForStubsLibrary(mctx android.EarlyModuleContext, apiScope *apiScope) string {
scopeProperties := module.scopeToProperties[apiScope]
if scopeProperties.Sdk_version != nil {
return proptools.String(scopeProperties.Sdk_version)
}
sdkDep := decodeSdkDep(mctx, android.SdkContext(&module.Library))
if sdkDep.hasStandardLibs() {
// If building against a standard sdk then use the sdk version appropriate for the scope.
return apiScope.sdkVersion
} else {
// Otherwise, use no system module.
return "none"
}
}
func (module *SdkLibrary) distStem() string {
return proptools.StringDefault(module.sdkLibraryProperties.Dist_stem, module.BaseModuleName())
}
// distGroup returns the subdirectory of the dist path of the stub artifacts.
func (module *SdkLibrary) distGroup() string {
return proptools.StringDefault(module.sdkLibraryProperties.Dist_group, "unknown")
}
func latestPrebuiltApiModuleName(name string, apiScope *apiScope) string {
return PrebuiltApiModuleName(name, apiScope.name, "latest")
}
func latestPrebuiltApiCombinedModuleName(name string, apiScope *apiScope) string {
return PrebuiltApiCombinedModuleName(name, apiScope.name, "latest")
}
func (module *SdkLibrary) latestApiFilegroupName(apiScope *apiScope) string {
return ":" + module.latestApiModuleName(apiScope)
}
func (module *SdkLibrary) latestApiModuleName(apiScope *apiScope) string {
return latestPrebuiltApiCombinedModuleName(module.distStem(), apiScope)
}
func (module *SdkLibrary) latestRemovedApiFilegroupName(apiScope *apiScope) string {
return ":" + module.latestRemovedApiModuleName(apiScope)
}
func (module *SdkLibrary) latestRemovedApiModuleName(apiScope *apiScope) string {
return latestPrebuiltApiCombinedModuleName(module.distStem()+"-removed", apiScope)
}
func (module *SdkLibrary) latestIncompatibilitiesFilegroupName(apiScope *apiScope) string {
return ":" + module.latestIncompatibilitiesModuleName(apiScope)
}
func (module *SdkLibrary) latestIncompatibilitiesModuleName(apiScope *apiScope) string {
return latestPrebuiltApiModuleName(module.distStem()+"-incompatibilities", apiScope)
}
// The listed modules' stubs contents do not match the corresponding txt files,
// but require additional api contributions to generate the full stubs.
// This method returns the name of the additional api contribution module
// for corresponding sdk_library modules.
func (module *SdkLibrary) apiLibraryAdditionalApiContribution() string {
if val, ok := apiLibraryAdditionalProperties[module.Name()]; ok {
return val
}
return ""
}
func childModuleVisibility(childVisibility []string) []string {
if childVisibility == nil {
// No child visibility set. The child will use the visibility of the sdk_library.
return nil
}
// Prepend an override to ignore the sdk_library's visibility, and rely on the child visibility.
var visibility []string
visibility = append(visibility, "//visibility:override")
visibility = append(visibility, childVisibility...)
return visibility
}
func (module *SdkLibrary) compareAgainstLatestApi(apiScope *apiScope) bool {
return !(apiScope.unstable || module.sdkLibraryProperties.Unsafe_ignore_missing_latest_api)
}
// Implements android.ApexModule
func (module *SdkLibrary) DepIsInSameApex(mctx android.BaseModuleContext, dep android.Module) bool {
depTag := mctx.OtherModuleDependencyTag(dep)
if depTag == xmlPermissionsFileTag {
return true
}
if dep.Name() == module.implLibraryModuleName() {
return true
}
return module.Library.DepIsInSameApex(mctx, dep)
}
// Implements android.ApexModule
func (module *SdkLibrary) UniqueApexVariations() bool {
return module.uniqueApexVariations()
}
func (module *SdkLibrary) ModuleBuildFromTextStubs() bool {
return proptools.BoolDefault(module.sdkLibraryProperties.Build_from_text_stub, true)
}
var javaSdkLibrariesKey = android.NewOnceKey("javaSdkLibraries")
func javaSdkLibraries(config android.Config) *[]string {
return config.Once(javaSdkLibrariesKey, func() interface{} {
return &[]string{}
}).(*[]string)
}
func (module *SdkLibrary) getApiDir() string {
return proptools.StringDefault(module.sdkLibraryProperties.Api_dir, "api")
}
// For a java_sdk_library module, create internal modules for stubs, docs,
// runtime libs and xml file. If requested, the stubs and docs are created twice
// once for public API level and once for system API level
func (module *SdkLibrary) CreateInternalModules(mctx android.DefaultableHookContext) {
if len(module.properties.Srcs) == 0 {
mctx.PropertyErrorf("srcs", "java_sdk_library must specify srcs")
return
}
// If this builds against standard libraries (i.e. is not part of the core libraries)
// then assume it provides both system and test apis.
sdkDep := decodeSdkDep(mctx, android.SdkContext(&module.Library))
hasSystemAndTestApis := sdkDep.hasStandardLibs()
module.sdkLibraryProperties.Generate_system_and_test_apis = hasSystemAndTestApis
missingCurrentApi := false
generatedScopes := module.getGeneratedApiScopes(mctx)
apiDir := module.getApiDir()
for _, scope := range generatedScopes {
for _, api := range []string{"current.txt", "removed.txt"} {
path := path.Join(mctx.ModuleDir(), apiDir, scope.apiFilePrefix+api)
p := android.ExistentPathForSource(mctx, path)
if !p.Valid() {
if mctx.Config().AllowMissingDependencies() {
mctx.AddMissingDependencies([]string{path})
} else {
mctx.ModuleErrorf("Current api file %#v doesn't exist", path)
missingCurrentApi = true
}
}
}
}
if missingCurrentApi {
script := "build/soong/scripts/gen-java-current-api-files.sh"
p := android.ExistentPathForSource(mctx, script)
if !p.Valid() {
panic(fmt.Sprintf("script file %s doesn't exist", script))
}
mctx.ModuleErrorf("One or more current api files are missing. "+
"You can update them by:\n"+
"%s %q %s && m update-api",
script, filepath.Join(mctx.ModuleDir(), apiDir),
strings.Join(generatedScopes.Strings(func(s *apiScope) string { return s.apiFilePrefix }), " "))
return
}
for _, scope := range generatedScopes {
// Use the stubs source name for legacy reasons.
module.createDroidstubs(mctx, scope, module.droidstubsModuleName(scope), scope.droidstubsArgs)
module.createFromSourceStubsLibrary(mctx, scope)
module.createExportableFromSourceStubsLibrary(mctx, scope)
if mctx.Config().BuildFromTextStub() && module.ModuleBuildFromTextStubs() {
module.createApiLibrary(mctx, scope)
}
module.createTopLevelStubsLibrary(mctx, scope)
module.createTopLevelExportableStubsLibrary(mctx, scope)
}
if module.requiresRuntimeImplementationLibrary() {
// Create child module to create an implementation library.
//
// This temporarily creates a second implementation library that can be explicitly
// referenced.
//
// TODO(b/156618935) - update comment once only one implementation library is created.
module.createImplLibrary(mctx)
// Only create an XML permissions file that declares the library as being usable
// as a shared library if required.
if module.sharedLibrary() {
module.createXmlFile(mctx)
}
// record java_sdk_library modules so that they are exported to make
javaSdkLibraries := javaSdkLibraries(mctx.Config())
javaSdkLibrariesLock.Lock()
defer javaSdkLibrariesLock.Unlock()
*javaSdkLibraries = append(*javaSdkLibraries, module.BaseModuleName())
}
// Add the impl_only_libs and impl_only_static_libs *after* we're done using them in submodules.
module.properties.Libs = append(module.properties.Libs, module.sdkLibraryProperties.Impl_only_libs...)
module.properties.Static_libs.AppendSimpleValue(module.sdkLibraryProperties.Impl_only_static_libs)
}
func (module *SdkLibrary) InitSdkLibraryProperties() {
module.addHostAndDeviceProperties()
module.AddProperties(&module.sdkLibraryProperties)
module.initSdkLibraryComponent(module)
module.properties.Installable = proptools.BoolPtr(true)
module.deviceProperties.IsSDKLibrary = true
}
func (module *SdkLibrary) requiresRuntimeImplementationLibrary() bool {
return !proptools.Bool(module.sdkLibraryProperties.Api_only)
}
func moduleStubLinkType(j *Module) (stub bool, ret sdkLinkType) {
kind := android.ToSdkKind(proptools.String(j.properties.Stub_contributing_api))
switch kind {
case android.SdkPublic:
return true, javaSdk
case android.SdkSystem:
return true, javaSystem
case android.SdkModule:
return true, javaModule
case android.SdkTest:
return true, javaSystem
case android.SdkSystemServer:
return true, javaSystemServer
// Default value for all modules other than java_sdk_library-generated stub submodules
case android.SdkInvalid:
return false, javaPlatform
default:
panic(fmt.Sprintf("stub_contributing_api set as an unsupported sdk kind %s", kind.String()))
}
}
// java_sdk_library is a special Java library that provides optional platform APIs to apps.
// In practice, it can be viewed as a combination of several modules: 1) stubs library that clients
// are linked against to, 2) droiddoc module that internally generates API stubs source files,
// 3) the real runtime shared library that implements the APIs, and 4) XML file for adding
// the runtime lib to the classpath at runtime if requested via <uses-library>.
func SdkLibraryFactory() android.Module {
module := &SdkLibrary{}
// Initialize information common between source and prebuilt.
module.initCommon(module)
module.InitSdkLibraryProperties()
android.InitApexModule(module)
InitJavaModule(module, android.HostAndDeviceSupported)
// Initialize the map from scope to scope specific properties.
scopeToProperties := make(map[*apiScope]*ApiScopeProperties)
for _, scope := range AllApiScopes {
scopeToProperties[scope] = scope.scopeSpecificProperties(module)
}
module.scopeToProperties = scopeToProperties
// Add the properties containing visibility rules so that they are checked.
android.AddVisibilityProperty(module, "impl_library_visibility", &module.sdkLibraryProperties.Impl_library_visibility)
android.AddVisibilityProperty(module, "stubs_library_visibility", &module.sdkLibraryProperties.Stubs_library_visibility)
android.AddVisibilityProperty(module, "stubs_source_visibility", &module.sdkLibraryProperties.Stubs_source_visibility)
module.SetDefaultableHook(func(ctx android.DefaultableHookContext) {
// If no implementation is required then it cannot be used as a shared library
// either.
if !module.requiresRuntimeImplementationLibrary() {
// If shared_library has been explicitly set to true then it is incompatible
// with api_only: true.
if proptools.Bool(module.commonSdkLibraryProperties.Shared_library) {
ctx.PropertyErrorf("api_only/shared_library", "inconsistent settings, shared_library and api_only cannot both be true")
}
// Set shared_library: false.
module.commonSdkLibraryProperties.Shared_library = proptools.BoolPtr(false)
}
if module.initCommonAfterDefaultsApplied() {
module.CreateInternalModules(ctx)
}
})
return module
}
//
// SDK library prebuilts
//
// Properties associated with each api scope.
type sdkLibraryScopeProperties struct {
Jars []string `android:"path"`
Sdk_version *string
// List of shared java libs that this module has dependencies to
Libs []string
// The stubs source.
Stub_srcs []string `android:"path"`
// The current.txt
Current_api *string `android:"path"`
// The removed.txt
Removed_api *string `android:"path"`
// Annotation zip
Annotations *string `android:"path"`
}
type sdkLibraryImportProperties struct {
// List of shared java libs, common to all scopes, that this module has
// dependencies to
Libs []string
// If set to true, compile dex files for the stubs. Defaults to false.
Compile_dex *bool
// If not empty, classes are restricted to the specified packages and their sub-packages.
Permitted_packages []string
// Name of the source soong module that gets shadowed by this prebuilt
// If unspecified, follows the naming convention that the source module of
// the prebuilt is Name() without "prebuilt_" prefix
Source_module_name *string
}
type SdkLibraryImport struct {
android.ModuleBase
android.DefaultableModuleBase
prebuilt android.Prebuilt
android.ApexModuleBase
hiddenAPI
dexpreopter
properties sdkLibraryImportProperties
// Map from api scope to the scope specific property structure.
scopeProperties map[*apiScope]*sdkLibraryScopeProperties
commonToSdkLibraryAndImport
// The reference to the xml permissions module created by the source module.
// Is nil if the source module does not exist.
xmlPermissionsFileModule *sdkLibraryXml
// Build path to the dex implementation jar obtained from the prebuilt_apex, if any.
dexJarFile OptionalDexJarPath
dexJarFileErr error
// Expected install file path of the source module(sdk_library)
// or dex implementation jar obtained from the prebuilt_apex, if any.
installFile android.Path
}
// The type of a structure that contains a field of type sdkLibraryScopeProperties
// for each apiscope in allApiScopes, e.g. something like:
//
// struct {
// Public sdkLibraryScopeProperties
// System sdkLibraryScopeProperties
// ...
// }
var allScopeStructType = createAllScopePropertiesStructType()
// Dynamically create a structure type for each apiscope in allApiScopes.
func createAllScopePropertiesStructType() reflect.Type {
var fields []reflect.StructField
for _, apiScope := range AllApiScopes {
field := reflect.StructField{
Name: apiScope.fieldName,
Type: reflect.TypeOf(sdkLibraryScopeProperties{}),
}
fields = append(fields, field)
}
return reflect.StructOf(fields)
}
// Create an instance of the scope specific structure type and return a map
// from apiscope to a pointer to each scope specific field.
func createPropertiesInstance() (interface{}, map[*apiScope]*sdkLibraryScopeProperties) {
allScopePropertiesPtr := reflect.New(allScopeStructType)
allScopePropertiesStruct := allScopePropertiesPtr.Elem()
scopeProperties := make(map[*apiScope]*sdkLibraryScopeProperties)
for _, apiScope := range AllApiScopes {
field := allScopePropertiesStruct.FieldByName(apiScope.fieldName)
scopeProperties[apiScope] = field.Addr().Interface().(*sdkLibraryScopeProperties)
}
return allScopePropertiesPtr.Interface(), scopeProperties
}
// java_sdk_library_import imports a prebuilt java_sdk_library.
func sdkLibraryImportFactory() android.Module {
module := &SdkLibraryImport{}
allScopeProperties, scopeToProperties := createPropertiesInstance()
module.scopeProperties = scopeToProperties
module.AddProperties(&module.properties, allScopeProperties, &module.importDexpreoptProperties)
// Initialize information common between source and prebuilt.
module.initCommon(module)
android.InitPrebuiltModule(module, &[]string{""})
android.InitApexModule(module)
InitJavaModule(module, android.HostAndDeviceSupported)
module.SetDefaultableHook(func(mctx android.DefaultableHookContext) {
if module.initCommonAfterDefaultsApplied() {
module.createInternalModules(mctx)
}
})
return module
}
var _ PermittedPackagesForUpdatableBootJars = (*SdkLibraryImport)(nil)
func (module *SdkLibraryImport) PermittedPackagesForUpdatableBootJars() []string {
return module.properties.Permitted_packages
}
func (module *SdkLibraryImport) Prebuilt() *android.Prebuilt {
return &module.prebuilt
}
func (module *SdkLibraryImport) Name() string {
return module.prebuilt.Name(module.ModuleBase.Name())
}
func (module *SdkLibraryImport) BaseModuleName() string {
return proptools.StringDefault(module.properties.Source_module_name, module.ModuleBase.Name())
}
func (module *SdkLibraryImport) createInternalModules(mctx android.DefaultableHookContext) {
// If the build is configured to use prebuilts then force this to be preferred.
if mctx.Config().AlwaysUsePrebuiltSdks() {
module.prebuilt.ForcePrefer()
}
for apiScope, scopeProperties := range module.scopeProperties {
if len(scopeProperties.Jars) == 0 {
continue
}
module.createJavaImportForStubs(mctx, apiScope, scopeProperties)
if len(scopeProperties.Stub_srcs) > 0 {
module.createPrebuiltStubsSources(mctx, apiScope, scopeProperties)
}
if scopeProperties.Current_api != nil {
module.createPrebuiltApiContribution(mctx, apiScope, scopeProperties)
}
}
javaSdkLibraries := javaSdkLibraries(mctx.Config())
javaSdkLibrariesLock.Lock()
defer javaSdkLibrariesLock.Unlock()
*javaSdkLibraries = append(*javaSdkLibraries, module.BaseModuleName())
}
// Add the dependencies on the child module in the component deps mutator so that it
// creates references to the prebuilt and not the source modules.
func (module *SdkLibraryImport) ComponentDepsMutator(ctx android.BottomUpMutatorContext) {
for apiScope, scopeProperties := range module.scopeProperties {
if len(scopeProperties.Jars) == 0 {
continue
}
// Add dependencies to the prebuilt stubs library
ctx.AddVariationDependencies(nil, apiScope.prebuiltStubsTag, android.PrebuiltNameFromSource(module.stubsLibraryModuleName(apiScope)))
if len(scopeProperties.Stub_srcs) > 0 {
// Add dependencies to the prebuilt stubs source library
ctx.AddVariationDependencies(nil, apiScope.stubsSourceTag, android.PrebuiltNameFromSource(module.droidstubsModuleName(apiScope)))
}
}
}
// Add other dependencies as normal.
func (module *SdkLibraryImport) DepsMutator(ctx android.BottomUpMutatorContext) {
implName := module.implLibraryModuleName()
if ctx.OtherModuleExists(implName) {
ctx.AddVariationDependencies(nil, implLibraryTag, implName)
xmlPermissionsModuleName := module.xmlPermissionsModuleName()
if module.sharedLibrary() && ctx.OtherModuleExists(xmlPermissionsModuleName) {
// Add dependency to the rule for generating the xml permissions file
ctx.AddDependency(module, xmlPermissionsFileTag, xmlPermissionsModuleName)
}
}
}
var _ android.ApexModule = (*SdkLibraryImport)(nil)
// Implements android.ApexModule
func (module *SdkLibraryImport) DepIsInSameApex(mctx android.BaseModuleContext, dep android.Module) bool {
depTag := mctx.OtherModuleDependencyTag(dep)
if depTag == xmlPermissionsFileTag {
return true
}
// None of the other dependencies of the java_sdk_library_import are in the same apex
// as the one that references this module.
return false
}
// Implements android.ApexModule
func (module *SdkLibraryImport) ShouldSupportSdkVersion(ctx android.BaseModuleContext,
sdkVersion android.ApiLevel) error {
// we don't check prebuilt modules for sdk_version
return nil
}
// Implements android.ApexModule
func (module *SdkLibraryImport) UniqueApexVariations() bool {
return module.uniqueApexVariations()
}
// MinSdkVersion - Implements hiddenAPIModule
func (module *SdkLibraryImport) MinSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel {
return android.NoneApiLevel
}
var _ hiddenAPIModule = (*SdkLibraryImport)(nil)
func (module *SdkLibraryImport) GenerateAndroidBuildActions(ctx android.ModuleContext) {
// Assume that source module(sdk_library) is installed in /<sdk_library partition>/framework
module.installFile = android.PathForModuleInstall(ctx, "framework", module.Stem()+".jar")
// Record the paths to the prebuilt stubs library and stubs source.
ctx.VisitDirectDeps(func(to android.Module) {
tag := ctx.OtherModuleDependencyTag(to)
// Extract information from any of the scope specific dependencies.
if scopeTag, ok := tag.(scopeDependencyTag); ok {
apiScope := scopeTag.apiScope
scopePaths := module.getScopePathsCreateIfNeeded(apiScope)
// Extract information from the dependency. The exact information extracted
// is determined by the nature of the dependency which is determined by the tag.
scopeTag.extractDepInfo(ctx, to, scopePaths)
} else if tag == implLibraryTag {
if implLibrary, ok := to.(*Library); ok {
module.implLibraryModule = implLibrary
} else {
ctx.ModuleErrorf("implementation library must be of type *java.Library but was %T", to)
}
} else if tag == xmlPermissionsFileTag {
if xmlPermissionsFileModule, ok := to.(*sdkLibraryXml); ok {
module.xmlPermissionsFileModule = xmlPermissionsFileModule
} else {
ctx.ModuleErrorf("xml permissions file module must be of type *sdkLibraryXml but was %T", to)
}
}
})
sdkLibInfo := module.generateCommonBuildActions(ctx)
// Populate the scope paths with information from the properties.
for apiScope, scopeProperties := range module.scopeProperties {
if len(scopeProperties.Jars) == 0 {
continue
}
paths := module.getScopePathsCreateIfNeeded(apiScope)
paths.annotationsZip = android.OptionalPathForModuleSrc(ctx, scopeProperties.Annotations)
paths.currentApiFilePath = android.OptionalPathForModuleSrc(ctx, scopeProperties.Current_api)
paths.removedApiFilePath = android.OptionalPathForModuleSrc(ctx, scopeProperties.Removed_api)
}
if ctx.Device() {
// Shared libraries deapexed from prebuilt apexes are no longer supported.
// Set the dexJarBuildPath to a fake path.
// This allows soong analysis pass, but will be an error during ninja execution if there are
// any rdeps.
ai, _ := android.ModuleProvider(ctx, android.ApexInfoProvider)
if ai.ForPrebuiltApex {
module.dexJarFile = makeDexJarPathFromPath(android.PathForModuleInstall(ctx, "intentionally_no_longer_supported"))
module.initHiddenAPI(ctx, module.dexJarFile, module.findScopePaths(apiScopePublic).stubsImplPath[0], nil)
}
}
var generatingLibs []string
for _, apiScope := range AllApiScopes {
if scopeProperties, ok := module.scopeProperties[apiScope]; ok {
if len(scopeProperties.Jars) == 0 {
continue
}
generatingLibs = append(generatingLibs, module.stubsLibraryModuleName(apiScope))
}
}
module.setOutputFiles(ctx)
if module.implLibraryModule != nil {
generatingLibs = append(generatingLibs, module.implLibraryModuleName())
setOutputFiles(ctx, module.implLibraryModule.Module)
}
sdkLibInfo.GeneratingLibs = generatingLibs
android.SetProvider(ctx, SdkLibraryInfoProvider, sdkLibInfo)
}
var _ UsesLibraryDependency = (*SdkLibraryImport)(nil)
// to satisfy UsesLibraryDependency interface
func (module *SdkLibraryImport) DexJarBuildPath(ctx android.ModuleErrorfContext) OptionalDexJarPath {
// The dex implementation jar extracted from the .apex file should be used in preference to the
// source.
if module.dexJarFileErr != nil {
ctx.ModuleErrorf(module.dexJarFileErr.Error())
}
if module.dexJarFile.IsSet() {
return module.dexJarFile
}
if module.implLibraryModule == nil {
return makeUnsetDexJarPath()
} else {
return module.implLibraryModule.DexJarBuildPath(ctx)
}
}
// to satisfy UsesLibraryDependency interface
func (module *SdkLibraryImport) DexJarInstallPath() android.Path {
return module.installFile
}
// to satisfy UsesLibraryDependency interface
func (module *SdkLibraryImport) ClassLoaderContexts() dexpreopt.ClassLoaderContextMap {
return nil
}
// to satisfy apex.javaDependency interface
func (module *SdkLibraryImport) JacocoReportClassesFile() android.Path {
if module.implLibraryModule == nil {
return nil
} else {
return module.implLibraryModule.JacocoReportClassesFile()
}
}
// to satisfy apex.javaDependency interface
func (module *SdkLibraryImport) Stem() string {
return module.BaseModuleName()
}
var _ ApexDependency = (*SdkLibraryImport)(nil)
// to satisfy java.ApexDependency interface
func (module *SdkLibraryImport) HeaderJars() android.Paths {
if module.implLibraryModule == nil {
return nil
} else {
return module.implLibraryModule.HeaderJars()
}
}
// to satisfy java.ApexDependency interface
func (module *SdkLibraryImport) ImplementationAndResourcesJars() android.Paths {
if module.implLibraryModule == nil {
return nil
} else {
return module.implLibraryModule.ImplementationAndResourcesJars()
}
}
// to satisfy java.DexpreopterInterface interface
func (module *SdkLibraryImport) IsInstallable() bool {
return true
}
var _ android.RequiredFilesFromPrebuiltApex = (*SdkLibraryImport)(nil)
func (module *SdkLibraryImport) RequiredFilesFromPrebuiltApex(ctx android.BaseModuleContext) []string {
name := module.BaseModuleName()
return requiredFilesFromPrebuiltApexForImport(name, &module.dexpreopter)
}
func (j *SdkLibraryImport) UseProfileGuidedDexpreopt() bool {
return proptools.Bool(j.importDexpreoptProperties.Dex_preopt.Profile_guided)
}
type sdkLibrarySdkMemberType struct {
android.SdkMemberTypeBase
}
func (s *sdkLibrarySdkMemberType) AddDependencies(ctx android.SdkDependencyContext, dependencyTag blueprint.DependencyTag, names []string) {
ctx.AddVariationDependencies(nil, dependencyTag, names...)
}
func (s *sdkLibrarySdkMemberType) IsInstance(module android.Module) bool {
_, ok := module.(*SdkLibrary)
return ok
}
func (s *sdkLibrarySdkMemberType) AddPrebuiltModule(ctx android.SdkMemberContext, member android.SdkMember) android.BpModule {
return ctx.SnapshotBuilder().AddPrebuiltModule(member, "java_sdk_library_import")
}
func (s *sdkLibrarySdkMemberType) CreateVariantPropertiesStruct() android.SdkMemberProperties {
return &sdkLibrarySdkMemberProperties{}
}
var javaSdkLibrarySdkMemberType = &sdkLibrarySdkMemberType{
android.SdkMemberTypeBase{
PropertyName: "java_sdk_libs",
SupportsSdk: true,
},
}
type sdkLibrarySdkMemberProperties struct {
android.SdkMemberPropertiesBase
// Stem name for files in the sdk snapshot.
//
// This is used to construct the path names of various sdk library files in the sdk snapshot to
// make sure that they match the finalized versions of those files in prebuilts/sdk.
//
// This property is marked as keep so that it will be kept in all instances of this struct, will
// not be cleared but will be copied to common structs. That is needed because this field is used
// to construct many file names for other parts of this struct and so it needs to be present in
// all structs. If it was not marked as keep then it would be cleared in some structs and so would
// be unavailable for generating file names if there were other properties that were still set.
Stem string `sdk:"keep"`
// Scope to per scope properties.
Scopes map[*apiScope]*scopeProperties
// The Java stubs source files.
Stub_srcs []string
// The naming scheme.
Naming_scheme *string
// True if the java_sdk_library_import is for a shared library, false
// otherwise.
Shared_library *bool
// True if the stub imports should produce dex jars.
Compile_dex *bool
// The paths to the doctag files to add to the prebuilt.
Doctag_paths android.Paths
Permitted_packages []string
// Signals that this shared library is part of the bootclasspath starting
// on the version indicated in this attribute.
//
// This will make platforms at this level and above to ignore
// <uses-library> tags with this library name because the library is already
// available
On_bootclasspath_since *string
// Signals that this shared library was part of the bootclasspath before
// (but not including) the version indicated in this attribute.
//
// The system will automatically add a <uses-library> tag with this library to
// apps that target any SDK less than the version indicated in this attribute.
On_bootclasspath_before *string
// Indicates that PackageManager should ignore this shared library if the
// platform is below the version indicated in this attribute.
//
// This means that the device won't recognise this library as installed.
Min_device_sdk *string
// Indicates that PackageManager should ignore this shared library if the
// platform is above the version indicated in this attribute.
//
// This means that the device won't recognise this library as installed.
Max_device_sdk *string
DexPreoptProfileGuided *bool `supported_build_releases:"UpsideDownCake+"`
}
type scopeProperties struct {
Jars android.Paths
StubsSrcJar android.Path
CurrentApiFile android.Path
RemovedApiFile android.Path
AnnotationsZip android.Path `supported_build_releases:"Tiramisu+"`
SdkVersion string
}
func (s *sdkLibrarySdkMemberProperties) PopulateFromVariant(ctx android.SdkMemberContext, variant android.Module) {
sdk := variant.(*SdkLibrary)
// Copy the stem name for files in the sdk snapshot.
s.Stem = sdk.distStem()
s.Scopes = make(map[*apiScope]*scopeProperties)
for _, apiScope := range AllApiScopes {
paths := sdk.findScopePaths(apiScope)
if paths == nil {
continue
}
jars := paths.stubsImplPath
if len(jars) > 0 {
properties := scopeProperties{}
properties.Jars = jars
properties.SdkVersion = sdk.sdkVersionForStubsLibrary(ctx.SdkModuleContext(), apiScope)
properties.StubsSrcJar = paths.stubsSrcJar.Path()
if paths.currentApiFilePath.Valid() {
properties.CurrentApiFile = paths.currentApiFilePath.Path()
}
if paths.removedApiFilePath.Valid() {
properties.RemovedApiFile = paths.removedApiFilePath.Path()
}
// The annotations zip is only available for modules that set annotations_enabled: true.
if paths.annotationsZip.Valid() {
properties.AnnotationsZip = paths.annotationsZip.Path()
}
s.Scopes[apiScope] = &properties
}
}
s.Shared_library = proptools.BoolPtr(sdk.sharedLibrary())
s.Compile_dex = sdk.dexProperties.Compile_dex
s.Doctag_paths = sdk.doctagPaths
s.Permitted_packages = sdk.PermittedPackagesForUpdatableBootJars()
s.On_bootclasspath_since = sdk.commonSdkLibraryProperties.On_bootclasspath_since
s.On_bootclasspath_before = sdk.commonSdkLibraryProperties.On_bootclasspath_before
s.Min_device_sdk = sdk.commonSdkLibraryProperties.Min_device_sdk
s.Max_device_sdk = sdk.commonSdkLibraryProperties.Max_device_sdk
implLibrary := sdk.implLibraryModule
if implLibrary != nil && implLibrary.dexpreopter.dexpreoptProperties.Dex_preopt_result.Profile_guided {
s.DexPreoptProfileGuided = proptools.BoolPtr(true)
}
}
func (s *sdkLibrarySdkMemberProperties) AddToPropertySet(ctx android.SdkMemberContext, propertySet android.BpPropertySet) {
if s.Naming_scheme != nil {
propertySet.AddProperty("naming_scheme", proptools.String(s.Naming_scheme))
}
if s.Shared_library != nil {
propertySet.AddProperty("shared_library", *s.Shared_library)
}
if s.Compile_dex != nil {
propertySet.AddProperty("compile_dex", *s.Compile_dex)
}
if len(s.Permitted_packages) > 0 {
propertySet.AddProperty("permitted_packages", s.Permitted_packages)
}
dexPreoptSet := propertySet.AddPropertySet("dex_preopt")
if s.DexPreoptProfileGuided != nil {
dexPreoptSet.AddProperty("profile_guided", proptools.Bool(s.DexPreoptProfileGuided))
}
stem := s.Stem
for _, apiScope := range AllApiScopes {
if properties, ok := s.Scopes[apiScope]; ok {
scopeSet := propertySet.AddPropertySet(apiScope.propertyName)
scopeDir := apiScope.snapshotRelativeDir()
var jars []string
for _, p := range properties.Jars {
dest := filepath.Join(scopeDir, stem+"-stubs.jar")
ctx.SnapshotBuilder().CopyToSnapshot(p, dest)
jars = append(jars, dest)
}
scopeSet.AddProperty("jars", jars)
if ctx.SdkModuleContext().Config().IsEnvTrue("SOONG_SDK_SNAPSHOT_USE_SRCJAR") {
// Copy the stubs source jar into the snapshot zip as is.
srcJarSnapshotPath := filepath.Join(scopeDir, stem+".srcjar")
ctx.SnapshotBuilder().CopyToSnapshot(properties.StubsSrcJar, srcJarSnapshotPath)
scopeSet.AddProperty("stub_srcs", []string{srcJarSnapshotPath})
} else {
// Merge the stubs source jar into the snapshot zip so that when it is unpacked
// the source files are also unpacked.
snapshotRelativeDir := filepath.Join(scopeDir, stem+"_stub_sources")
ctx.SnapshotBuilder().UnzipToSnapshot(properties.StubsSrcJar, snapshotRelativeDir)
scopeSet.AddProperty("stub_srcs", []string{snapshotRelativeDir})
}
if properties.CurrentApiFile != nil {
currentApiSnapshotPath := apiScope.snapshotRelativeCurrentApiTxtPath(stem)
ctx.SnapshotBuilder().CopyToSnapshot(properties.CurrentApiFile, currentApiSnapshotPath)
scopeSet.AddProperty("current_api", currentApiSnapshotPath)
}
if properties.RemovedApiFile != nil {
removedApiSnapshotPath := apiScope.snapshotRelativeRemovedApiTxtPath(stem)
ctx.SnapshotBuilder().CopyToSnapshot(properties.RemovedApiFile, removedApiSnapshotPath)
scopeSet.AddProperty("removed_api", removedApiSnapshotPath)
}
if properties.AnnotationsZip != nil {
annotationsSnapshotPath := filepath.Join(scopeDir, stem+"_annotations.zip")
ctx.SnapshotBuilder().CopyToSnapshot(properties.AnnotationsZip, annotationsSnapshotPath)
scopeSet.AddProperty("annotations", annotationsSnapshotPath)
}
if properties.SdkVersion != "" {
scopeSet.AddProperty("sdk_version", properties.SdkVersion)
}
}
}
if len(s.Doctag_paths) > 0 {
dests := []string{}
for _, p := range s.Doctag_paths {
dest := filepath.Join("doctags", p.Rel())
ctx.SnapshotBuilder().CopyToSnapshot(p, dest)
dests = append(dests, dest)
}
propertySet.AddProperty("doctag_files", dests)
}
}