diff options
Diffstat (limited to 'apex/deapexer.go')
| -rw-r--r-- | apex/deapexer.go | 84 |
1 files changed, 10 insertions, 74 deletions
diff --git a/apex/deapexer.go b/apex/deapexer.go index a6731080c..3b8233d33 100644 --- a/apex/deapexer.go +++ b/apex/deapexer.go @@ -15,37 +15,9 @@ package apex import ( - "strings" - "android/soong/android" ) -// Contains 'deapexer' a private module type used by 'prebuilt_apex' to make dex files contained -// within a .apex file referenced by `prebuilt_apex` available for use by their associated -// `java_import` modules. -// -// An 'apex' module references `java_library` modules from which .dex files are obtained that are -// stored in the resulting `.apex` file. The resulting `.apex` file is then made available as a -// prebuilt by referencing it from a `prebuilt_apex`. For each such `java_library` that is used by -// modules outside the `.apex` file a `java_import` prebuilt is made available referencing a jar -// that contains the Java classes. -// -// When building a Java module type, e.g. `java_module` or `android_app` against such prebuilts the -// `java_import` provides the classes jar (jar containing `.class` files) against which the -// module's `.java` files are compiled. That classes jar usually contains only stub classes. The -// resulting classes jar is converted into a dex jar (jar containing `.dex` files). Then if -// necessary the dex jar is further processed by `dexpreopt` to produce an optimized form of the -// library specific to the current Android version. This process requires access to implementation -// dex jars for each `java_import`. The `java_import` will obtain the implementation dex jar from -// the `.apex` file in the associated `prebuilt_apex`. -// -// This is intentionally not registered by name as it is not intended to be used from within an -// `Android.bp` file. - -// DeapexerProperties specifies the properties supported by the deapexer module. -// -// As these are never intended to be supplied in a .bp file they use a different naming convention -// to make it clear that they are different. type DeapexerProperties struct { // List of common modules that may need access to files exported by this module. // @@ -72,46 +44,9 @@ type SelectedApexProperties struct { Selected_apex *string `android:"path" blueprint:"mutated"` } -type Deapexer struct { - android.ModuleBase - - properties DeapexerProperties - selectedApexProperties SelectedApexProperties - - inputApex android.Path -} - -// Returns the name of the deapexer module corresponding to an APEX module with the given name. -func deapexerModuleName(apexModuleName string) string { - return apexModuleName + ".deapexer" -} - -// Returns the name of the APEX module corresponding to an deapexer module with -// the given name. This reverses deapexerModuleName. -func apexModuleName(deapexerModuleName string) string { - return strings.TrimSuffix(deapexerModuleName, ".deapexer") -} - -func privateDeapexerFactory() android.Module { - module := &Deapexer{} - module.AddProperties(&module.properties, &module.selectedApexProperties) - android.InitAndroidMultiTargetsArchModule(module, android.DeviceSupported, android.MultilibCommon) - return module -} - -func (p *Deapexer) DepsMutator(ctx android.BottomUpMutatorContext) { - // Add dependencies from the java modules to which this exports files from the `.apex` file onto - // this module so that they can access the `DeapexerInfo` object that this provides. - // TODO: b/308174306 - Once all the mainline modules have been flagged, drop this dependency edge - for _, lib := range p.properties.CommonModules { - dep := prebuiltApexExportedModuleName(ctx, lib) - ctx.AddReverseDependency(ctx.Module(), android.DeapexerTag, dep) - } -} - -func (p *Deapexer) GenerateAndroidBuildActions(ctx android.ModuleContext) { - p.inputApex = android.OptionalPathForModuleSrc(ctx, p.selectedApexProperties.Selected_apex).Path() - +// deapex creates the build rules to deapex a prebuilt .apex file +// it returns a pointer to a DeapexerInfo object +func deapex(ctx android.ModuleContext, apexFile android.Path, deapexerProps DeapexerProperties) *android.DeapexerInfo { // Create and remember the directory into which the .apex file's contents will be unpacked. deapexerOutput := android.PathForModuleOut(ctx, "deapexer") @@ -119,7 +54,7 @@ func (p *Deapexer) GenerateAndroidBuildActions(ctx android.ModuleContext) { // Create mappings from apex relative path to the extracted file's path. exportedPaths := make(android.Paths, 0, len(exports)) - for _, path := range p.properties.ExportedFiles { + for _, path := range deapexerProps.ExportedFiles { // Populate the exports that this makes available. extractedPath := deapexerOutput.Join(ctx, path) exports[path] = extractedPath @@ -131,9 +66,8 @@ func (p *Deapexer) GenerateAndroidBuildActions(ctx android.ModuleContext) { // apex relative path to extracted file path available for other modules. if len(exports) > 0 { // Make the information available for other modules. - di := android.NewDeapexerInfo(apexModuleName(ctx.ModuleName()), exports, p.properties.CommonModules) - di.AddDexpreoptProfileGuidedExportedModuleNames(p.properties.DexpreoptProfileGuidedModules...) - android.SetProvider(ctx, android.DeapexerProvider, di) + di := android.NewDeapexerInfo(ctx.ModuleName(), exports, deapexerProps.CommonModules) + di.AddDexpreoptProfileGuidedExportedModuleNames(deapexerProps.DexpreoptProfileGuidedModules...) // Create a sorted list of the files that this exports. exportedPaths = android.SortedUniquePaths(exportedPaths) @@ -147,11 +81,13 @@ func (p *Deapexer) GenerateAndroidBuildActions(ctx android.ModuleContext) { BuiltTool("deapexer"). BuiltTool("debugfs"). BuiltTool("fsck.erofs"). - Input(p.inputApex). + Input(apexFile). Text(deapexerOutput.String()) for _, p := range exportedPaths { command.Output(p.(android.WritablePath)) } - builder.Build("deapexer", "deapex "+apexModuleName(ctx.ModuleName())) + builder.Build("deapexer", "deapex "+ctx.ModuleName()) + return &di } + return nil } |