Revert "Make bootclasspath_fragments always perform hidden API processing" (71e98fa3) · Commits · e / os / android_build_soong

java/bootclasspath_fragment.go

+19 −3

Original line number	Diff line number	Diff line
		@@ -576,9 +576,25 @@ func (b *BootclasspathFragmentModule) generateHiddenAPIBuildActions(ctx android.
		// Create hidden API input structure.
		input := b.createHiddenAPIFlagInput(ctx, contents, fragments)

		var output *HiddenAPIOutput

		// Hidden API processing is conditional as a temporary workaround as not all
		// bootclasspath_fragments provide the appropriate information needed for hidden API processing
		// which leads to breakages of the build.
		// TODO(b/179354495): Stop hidden API processing being conditional once all bootclasspath_fragment
		// modules have been updated to support it.
		if input.canPerformHiddenAPIProcessing(ctx, b.properties) {
		// Delegate the production of the hidden API all-flags.csv file to a module type specific method.
		common := ctx.Module().(commonBootclasspathFragment)
		output := common.produceHiddenAPIOutput(ctx, contents, input)
		output = common.produceHiddenAPIOutput(ctx, contents, input)
		} else {
		// As hidden API processing cannot be performed fall back to trying to retrieve the legacy
		// encoded boot dex files, i.e. those files encoded by the individual libraries and returned
		// from the DexJarBuildPath() method.
		output = &HiddenAPIOutput{
		EncodedBootDexFilesByModule: retrieveLegacyEncodedBootDexFiles(ctx, contents),
		}
		}

		// Initialize a HiddenAPIInfo structure.
		hiddenAPIInfo := HiddenAPIInfo{

java/hiddenapi_modular.go

+37 −0

Original line number	Diff line number	Diff line
		@@ -20,6 +20,7 @@ import (

		"android/soong/android"
		"github.com/google/blueprint"
		"github.com/google/blueprint/proptools"
		)

		// Contains support for processing hiddenAPI in a modular fashion.
		@@ -696,6 +697,42 @@ func newHiddenAPIFlagInput() HiddenAPIFlagInput {
		return input
		}

		// canPerformHiddenAPIProcessing determines whether hidden API processing should be performed.
		//
		// A temporary workaround to avoid existing bootclasspath_fragments that do not provide the
		// appropriate information needed for hidden API processing breaking the build.
		// TODO(b/179354495): Remove this workaround.
		func (i *HiddenAPIFlagInput) canPerformHiddenAPIProcessing(ctx android.ModuleContext, properties bootclasspathFragmentProperties) bool {
		// Performing hidden API processing without stubs is not supported and it is unlikely to ever be
		// required as the whole point of adding something to the bootclasspath fragment is to add it to
		// the bootclasspath in order to be used by something else in the system. Without any stubs it
		// cannot do that.
		if len(i.StubDexJarsByScope) == 0 {
		return false
		}

		// Hidden API processing is always enabled in tests.
		if ctx.Config().TestProductVariables != nil {
		return true
		}

		// A module that has fragments should have access to the information it needs in order to perform
		// hidden API processing.
		if len(properties.Fragments) != 0 {
		return true
		}

		// The art bootclasspath fragment does not depend on any other fragments but already supports
		// hidden API processing.
		imageName := proptools.String(properties.Image_name)
		if imageName == "art" {
		return true
		}

		// Disable it for everything else.
		return false
		}

		// gatherStubLibInfo gathers information from the stub libs needed by hidden API processing from the
		// dependencies added in hiddenAPIAddStubLibDependencies.
		//

sdk/bootclasspath_fragment_sdk_test.go

+1 −20

Original line number	Diff line number	Diff line
		@@ -133,13 +133,6 @@ prebuilt_bootclasspath_fragment {
		apex_available: ["com.android.art"],
		image_name: "art",
		contents: ["mybootlib"],
		hidden_api: {
		stub_flags: "hiddenapi/stub-flags.csv",
		annotation_flags: "hiddenapi/annotation-flags.csv",
		metadata: "hiddenapi/metadata.csv",
		index: "hiddenapi/index.csv",
		all_flags: "hiddenapi/all-flags.csv",
		},
		}

		java_import {
		@@ -160,13 +153,6 @@ prebuilt_bootclasspath_fragment {
		apex_available: ["com.android.art"],
		image_name: "art",
		contents: ["mysdk_mybootlib@current"],
		hidden_api: {
		stub_flags: "hiddenapi/stub-flags.csv",
		annotation_flags: "hiddenapi/annotation-flags.csv",
		metadata: "hiddenapi/metadata.csv",
		index: "hiddenapi/index.csv",
		all_flags: "hiddenapi/all-flags.csv",
		},
		}

		java_import {
		@@ -185,11 +171,6 @@ sdk_snapshot {
		}
		`),
		checkAllCopyRules(`
		.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/stub-flags.csv -> hiddenapi/stub-flags.csv
		.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/annotation-flags.csv -> hiddenapi/annotation-flags.csv
		.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/metadata.csv -> hiddenapi/metadata.csv
		.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/index.csv -> hiddenapi/index.csv
		.intermediates/mybootclasspathfragment/android_common/modular-hiddenapi/all-flags.csv -> hiddenapi/all-flags.csv
		.intermediates/mybootlib/android_common/javac/mybootlib.jar -> java/mybootlib.jar
		`),
		snapshotTestPreparer(checkSnapshotWithoutSource, preparerForSnapshot),