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Commit 21f62ef8 authored by Paul Duffin's avatar Paul Duffin Committed by Gerrit Code Review
Browse files

Merge "Generate monolithic hidden API files direct from class jars"

parents 2bc8b3a6 537ea3d0

apex/apex_test.go

+16 −16
Original line number Diff line number Diff line
@@ -4564,7 +4564,7 @@ func TestBootDexJarsFromSourcesAndPrebuilts(t *testing.T) { 
	checkHiddenAPIIndexInputs := func(t *testing.T, ctx *android.TestContext, expectedInputs string) {

		t.Helper()

		platformBootclasspath := ctx.ModuleForTests("platform-bootclasspath", "android_common")

		indexRule := platformBootclasspath.Rule("platform-bootclasspath-monolithic-hiddenapi-index")

		indexRule := platformBootclasspath.Rule("monolithic_hidden_API_index")

		java.CheckHiddenAPIRuleInputs(t, expectedInputs, indexRule)

	}
@@ -4602,10 +4602,10 @@ func TestBootDexJarsFromSourcesAndPrebuilts(t *testing.T) { 
		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")

		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")



		// Make sure that the dex file from the prebuilt_apex contributes to the hiddenapi index file.

		// Verify the correct module jars contribute to the hiddenapi index file.

		checkHiddenAPIIndexInputs(t, ctx, `

.intermediates/libbar/android_common_myapex/hiddenapi/index.csv

.intermediates/libfoo/android_common_myapex/hiddenapi/index.csv

.intermediates/libbar.stubs/android_common/combined/libbar.stubs.jar

.intermediates/libfoo/android_common_myapex/combined/libfoo.jar

`)

	})
@@ -4636,10 +4636,10 @@ func TestBootDexJarsFromSourcesAndPrebuilts(t *testing.T) { 
		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")

		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")



		// Make sure that the dex file from the apex_set contributes to the hiddenapi index file.

		// Verify the correct module jars contribute to the hiddenapi index file.

		checkHiddenAPIIndexInputs(t, ctx, `

.intermediates/libbar/android_common_myapex/hiddenapi/index.csv

.intermediates/libfoo/android_common_myapex/hiddenapi/index.csv

.intermediates/libbar.stubs/android_common/combined/libbar.stubs.jar

.intermediates/libfoo/android_common_myapex/combined/libfoo.jar

`)

	})
@@ -4743,10 +4743,10 @@ func TestBootDexJarsFromSourcesAndPrebuilts(t *testing.T) { 
		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")

		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")



		// Make sure that the dex file from the prebuilt_apex contributes to the hiddenapi index file.

		// Verify the correct module jars contribute to the hiddenapi index file.

		checkHiddenAPIIndexInputs(t, ctx, `

.intermediates/prebuilt_libbar/android_common_myapex/hiddenapi/index.csv

.intermediates/prebuilt_libfoo/android_common_myapex/hiddenapi/index.csv

.intermediates/prebuilt_libbar.stubs/android_common/combined/libbar.stubs.jar

.intermediates/prebuilt_libfoo/android_common_myapex/combined/libfoo.jar

`)

	})
@@ -4810,10 +4810,10 @@ func TestBootDexJarsFromSourcesAndPrebuilts(t *testing.T) { 
		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/libfoo/android_common_apex10000/hiddenapi/libfoo.jar")

		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/libbar/android_common_myapex/hiddenapi/libbar.jar")



		// Make sure that the dex file from the prebuilt_apex contributes to the hiddenapi index file.

		// Verify the correct module jars contribute to the hiddenapi index file.

		checkHiddenAPIIndexInputs(t, ctx, `

.intermediates/libbar/android_common_myapex/hiddenapi/index.csv

.intermediates/libfoo/android_common_apex10000/hiddenapi/index.csv

.intermediates/libbar/android_common_myapex/javac/libbar.jar

.intermediates/libfoo/android_common_apex10000/javac/libfoo.jar

`)

	})
@@ -4879,10 +4879,10 @@ func TestBootDexJarsFromSourcesAndPrebuilts(t *testing.T) { 
		checkBootDexJarPath(t, ctx, "libfoo", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libfoo.jar")

		checkBootDexJarPath(t, ctx, "libbar", "out/soong/.intermediates/myapex.deapexer/android_common/deapexer/javalib/libbar.jar")



		// Make sure that the dex file from the prebuilt_apex contributes to the hiddenapi index file.

		// Verify the correct module jars contribute to the hiddenapi index file.

		checkHiddenAPIIndexInputs(t, ctx, `

.intermediates/prebuilt_libbar/android_common_myapex/hiddenapi/index.csv

.intermediates/prebuilt_libfoo/android_common_myapex/hiddenapi/index.csv

.intermediates/prebuilt_libbar.stubs/android_common/combined/libbar.stubs.jar

.intermediates/prebuilt_libfoo/android_common_myapex/combined/libfoo.jar

`)

	})

}

java/bootclasspath_fragment.go

+6 −4
Original line number Diff line number Diff line
@@ -129,7 +129,7 @@ type commonBootclasspathFragment interface { 
	// produceHiddenAPIAllFlagsFile produces the all-flags.csv and intermediate files.

	//

	// Updates the supplied flagFileInfo with the paths to the generated files set.

	produceHiddenAPIAllFlagsFile(ctx android.ModuleContext, contents []android.Module, stubJarsByKind map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo)

	produceHiddenAPIAllFlagsFile(ctx android.ModuleContext, contents []hiddenAPIModule, stubJarsByKind map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo)

}



func bootclasspathFragmentFactory() android.Module {
@@ -461,9 +461,11 @@ func (b *BootclasspathFragmentModule) generateHiddenAPIBuildActions(ctx android. 
	// Resolve the properties to paths.

	flagFileInfo := b.properties.Hidden_api.hiddenAPIFlagFileInfo(ctx)



	hiddenAPIModules := gatherHiddenAPIModuleFromContents(ctx, contents)



	// Delegate the production of the hidden API all flags file to a module type specific method.

	common := ctx.Module().(commonBootclasspathFragment)

	common.produceHiddenAPIAllFlagsFile(ctx, contents, stubJarsByKind, &flagFileInfo)

	common.produceHiddenAPIAllFlagsFile(ctx, hiddenAPIModules, stubJarsByKind, &flagFileInfo)



	// Store the information for use by platform_bootclasspath.

	ctx.SetProvider(hiddenAPIFlagFileInfoProvider, flagFileInfo)
@@ -471,7 +473,7 @@ func (b *BootclasspathFragmentModule) generateHiddenAPIBuildActions(ctx android. 


// produceHiddenAPIAllFlagsFile produces the hidden API all-flags.csv file (and supporting files)

// for the fragment.

func (b *BootclasspathFragmentModule) produceHiddenAPIAllFlagsFile(ctx android.ModuleContext, contents []android.Module, stubJarsByKind map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo) {

func (b *BootclasspathFragmentModule) produceHiddenAPIAllFlagsFile(ctx android.ModuleContext, contents []hiddenAPIModule, stubJarsByKind map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo) {

	// If no stubs have been provided then don't perform hidden API processing. This is a temporary

	// workaround to avoid existing bootclasspath_fragments that do not provide stubs breaking the

	// build.
@@ -718,7 +720,7 @@ func (module *prebuiltBootclasspathFragmentModule) Name() string { 


// produceHiddenAPIAllFlagsFile returns a path to the prebuilt all-flags.csv or nil if none is

// specified.

func (module *prebuiltBootclasspathFragmentModule) produceHiddenAPIAllFlagsFile(ctx android.ModuleContext, _ []android.Module, _ map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo) {

func (module *prebuiltBootclasspathFragmentModule) produceHiddenAPIAllFlagsFile(ctx android.ModuleContext, contents []hiddenAPIModule, stubJarsByKind map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo) {

	pathsForOptionalSrc := func(src *string) android.Paths {

		if src == nil {

			// TODO(b/179354495): Fail if this is not provided once prebuilts have been updated.

java/hiddenapi.go

+7 −15
Original line number Diff line number Diff line
@@ -91,31 +91,22 @@ type hiddenAPI struct { 
	classesJarPaths android.Paths

}



func (h *hiddenAPI) flagsCSV() android.Path {

	return h.flagsCSVPath

}



func (h *hiddenAPI) metadataCSV() android.Path {

	return h.metadataCSVPath

}



func (h *hiddenAPI) bootDexJar() android.Path {

	return h.bootDexJarPath

}



func (h *hiddenAPI) indexCSV() android.Path {

	return h.indexCSVPath

}



func (h *hiddenAPI) classesJars() android.Paths {

	return h.classesJarPaths

}



// hiddenAPIModule is the interface a module that embeds the hiddenAPI structure must implement.

type hiddenAPIModule interface {

	android.Module

	hiddenAPIIntf

}



type hiddenAPIIntf interface {

	bootDexJar() android.Path

	flagsCSV() android.Path

	indexCSV() android.Path

	metadataCSV() android.Path

	classesJars() android.Paths

}
@@ -312,6 +303,7 @@ func buildRuleToGenerateIndex(ctx android.ModuleContext, desc string, classesJar 
		BuiltTool("merge_csv").

		Flag("--zip_input").

		Flag("--key_field signature").

		FlagWithArg("--header=", "signature,file,startline,startcol,endline,endcol,properties").

		FlagWithOutput("--output=", indexCSV).

		Inputs(classesJars)

	rule.Build(desc, desc)

java/hiddenapi_modular.go

+51 −26
Original line number Diff line number Diff line
@@ -422,12 +422,12 @@ func pathForValidation(ctx android.PathContext, path android.WritablePath) andro 
// an entry for every single member in the dex implementation jars of the individual modules. Every

// signature in any of the other files MUST be included in this file.

//

// moduleSpecificFlagsPaths are the paths to the flags files generated by each module using

// information from the baseFlagsPath as well as from annotations within the source.

// annotationFlags is the path to the annotation flags file generated from annotation information

// in each module.

//

// augmentationInfo is a struct containing paths to files that augment the information provided by

// the moduleSpecificFlagsPaths.

func buildRuleToGenerateHiddenApiFlags(ctx android.BuilderContext, name, desc string, outputPath android.WritablePath, baseFlagsPath android.Path, moduleSpecificFlagsPaths android.Paths, flagFileInfo *hiddenAPIFlagFileInfo) {

// flagFileInfo is a struct containing paths to files that augment the information provided by

// the annotationFlags.

func buildRuleToGenerateHiddenApiFlags(ctx android.BuilderContext, name, desc string, outputPath android.WritablePath, baseFlagsPath android.Path, annotationFlags android.Path, flagFileInfo *hiddenAPIFlagFileInfo) {



	// The file which is used to record that the flags file is valid.

	var validFile android.WritablePath
@@ -457,7 +457,7 @@ func buildRuleToGenerateHiddenApiFlags(ctx android.BuilderContext, name, desc st 
	command := rule.Command().

		BuiltTool("generate_hiddenapi_lists").

		FlagWithInput("--csv ", baseFlagsPath).

		Inputs(moduleSpecificFlagsPaths).

		Input(annotationFlags).

		FlagWithOutput("--output ", tempPath)



	// Add the options for the different categories of flag files.
@@ -495,31 +495,18 @@ func buildRuleToGenerateHiddenApiFlags(ctx android.BuilderContext, name, desc st 
// * metadata.csv

// * index.csv

// * all-flags.csv

func hiddenAPIGenerateAllFlagsForBootclasspathFragment(ctx android.ModuleContext, contents []android.Module, stubJarsByKind map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo) {



func hiddenAPIGenerateAllFlagsForBootclasspathFragment(ctx android.ModuleContext, contents []hiddenAPIModule, stubJarsByKind map[android.SdkKind]android.Paths, flagFileInfo *hiddenAPIFlagFileInfo) {

	hiddenApiSubDir := "modular-hiddenapi"



	bootDexJars := android.Paths{}

	classesJars := android.Paths{}

	for _, module := range contents {

		if hiddenAPI, ok := module.(hiddenAPIIntf); ok {

			classesJars = append(classesJars, hiddenAPI.classesJars()...)

			bootDexJar := hiddenAPI.bootDexJar()

			if bootDexJar == nil {

				ctx.ModuleErrorf("module %s does not provide a dex jar", module)

			} else {

				bootDexJars = append(bootDexJars, bootDexJar)

			}

		} else {

			ctx.ModuleErrorf("module %s does not implement hiddenAPIIntf", module)

		}

	}



	// Generate the stub-flags.csv.

	bootDexJars := extractBootDexJarsFromHiddenAPIModules(ctx, contents)

	stubFlagsCSV := android.PathForModuleOut(ctx, hiddenApiSubDir, "stub-flags.csv")

	rule := ruleToGenerateHiddenAPIStubFlagsFile(ctx, stubFlagsCSV, bootDexJars, stubJarsByKind)

	rule.Build("modularHiddenAPIStubFlagsFile", "modular hiddenapi stub flags")



	// Extract the classes jars from the contents.

	classesJars := extractClassJarsFromHiddenAPIModules(ctx, contents)



	// Generate the set of flags from the annotations in the source code.

	annotationFlagsCSV := android.PathForModuleOut(ctx, hiddenApiSubDir, "annotation-flags.csv")

	buildRuleToGenerateAnnotationFlags(ctx, "modular hiddenapi annotation flags", classesJars, stubFlagsCSV, annotationFlagsCSV)
@@ -528,7 +515,7 @@ func hiddenAPIGenerateAllFlagsForBootclasspathFragment(ctx android.ModuleContext 
	metadataCSV := android.PathForModuleOut(ctx, hiddenApiSubDir, "metadata.csv")

	buildRuleToGenerateMetadata(ctx, "modular hiddenapi metadata", classesJars, stubFlagsCSV, metadataCSV)



	// Generate the index file from the annotations in the source code.

	// Generate the index file from the CSV files in the classes jars.

	indexCSV := android.PathForModuleOut(ctx, hiddenApiSubDir, "index.csv")

	buildRuleToGenerateIndex(ctx, "modular hiddenapi index", classesJars, indexCSV)
@@ -542,7 +529,7 @@ func hiddenAPIGenerateAllFlagsForBootclasspathFragment(ctx android.ModuleContext 
	// Generate the all-flags.csv which are the flags that will, in future, be encoded into the dex

	// files.

	outputPath := android.PathForModuleOut(ctx, hiddenApiSubDir, "all-flags.csv")

	buildRuleToGenerateHiddenApiFlags(ctx, "modularHiddenApiAllFlags", "modular hiddenapi all flags", outputPath, stubFlagsCSV, android.Paths{annotationFlagsCSV}, flagFileInfo)

	buildRuleToGenerateHiddenApiFlags(ctx, "modularHiddenApiAllFlags", "modular hiddenapi all flags", outputPath, stubFlagsCSV, annotationFlagsCSV, flagFileInfo)



	// Store the paths in the info for use by other modules and sdk snapshot generation.

	flagFileInfo.StubFlagsPaths = android.Paths{stubFlagsCSV}
@@ -551,3 +538,41 @@ func hiddenAPIGenerateAllFlagsForBootclasspathFragment(ctx android.ModuleContext 
	flagFileInfo.IndexPaths = android.Paths{indexCSV}

	flagFileInfo.AllFlagsPaths = android.Paths{outputPath}

}



// gatherHiddenAPIModuleFromContents gathers the hiddenAPIModule from the supplied contents.

func gatherHiddenAPIModuleFromContents(ctx android.ModuleContext, contents []android.Module) []hiddenAPIModule {

	hiddenAPIModules := []hiddenAPIModule{}

	for _, module := range contents {

		if hiddenAPI, ok := module.(hiddenAPIModule); ok {

			hiddenAPIModules = append(hiddenAPIModules, hiddenAPI)

		} else if _, ok := module.(*DexImport); ok {

			// Ignore this for the purposes of hidden API processing

		} else {

			ctx.ModuleErrorf("module %s does not implement hiddenAPIModule", module)

		}

	}

	return hiddenAPIModules

}



// extractBootDexJarsFromHiddenAPIModules extracts the boot dex jars from the supplied modules.

func extractBootDexJarsFromHiddenAPIModules(ctx android.ModuleContext, contents []hiddenAPIModule) android.Paths {

	bootDexJars := android.Paths{}

	for _, module := range contents {

		bootDexJar := module.bootDexJar()

		if bootDexJar == nil {

			ctx.ModuleErrorf("module %s does not provide a dex jar", module)

		} else {

			bootDexJars = append(bootDexJars, bootDexJar)

		}

	}

	return bootDexJars

}



// extractClassJarsFromHiddenAPIModules extracts the class jars from the supplied modules.

func extractClassJarsFromHiddenAPIModules(ctx android.ModuleContext, contents []hiddenAPIModule) android.Paths {

	classesJars := android.Paths{}

	for _, module := range contents {

		classesJars = append(classesJars, module.classesJars()...)

	}

	return classesJars

}

java/platform_bootclasspath.go

+32 −112
Original line number Diff line number Diff line
@@ -257,17 +257,6 @@ func (b *platformBootclasspathModule) getImageConfig(ctx android.EarlyModuleCont 
	return defaultBootImageConfig(ctx)

}



// hiddenAPISupportingModule encapsulates the information provided by any module that contributes to

// the hidden API processing.

type hiddenAPISupportingModule struct {

	module android.Module



	bootDexJar  android.Path

	flagsCSV    android.Path

	indexCSV    android.Path

	metadataCSV android.Path

}



// generateHiddenAPIBuildActions generates all the hidden API related build rules.

func (b *platformBootclasspathModule) generateHiddenAPIBuildActions(ctx android.ModuleContext, modules []android.Module, fragments []android.Module) {
@@ -290,67 +279,6 @@ func (b *platformBootclasspathModule) generateHiddenAPIBuildActions(ctx android. 
		return

	}



	// nilPathHandler will check the supplied path and if it is nil then it will either immediately

	// report an error, or it will defer the error reporting until it is actually used, depending

	// whether missing dependencies are allowed.

	var nilPathHandler func(path android.Path, name string, module android.Module) android.Path

	if ctx.Config().AllowMissingDependencies() {

		nilPathHandler = func(path android.Path, name string, module android.Module) android.Path {

			if path == nil {

				outputPath := android.PathForModuleOut(ctx, "missing", module.Name(), name)

				path = outputPath



				// Create an error rule that pretends to create the output file but will actually fail if it

				// is run.

				ctx.Build(pctx, android.BuildParams{

					Rule:   android.ErrorRule,

					Output: outputPath,

					Args: map[string]string{

						"error": fmt.Sprintf("missing hidden API file: %s for %s", name, module),

					},

				})

			}

			return path

		}

	} else {

		nilPathHandler = func(path android.Path, name string, module android.Module) android.Path {

			if path == nil {

				ctx.ModuleErrorf("module %s does not provide a %s file", module, name)

			}

			return path

		}

	}



	hiddenAPISupportingModules := []hiddenAPISupportingModule{}

	for _, module := range modules {

		if h, ok := module.(hiddenAPIIntf); ok {

			hiddenAPISupportingModule := hiddenAPISupportingModule{

				module:      module,

				bootDexJar:  nilPathHandler(h.bootDexJar(), "bootDexJar", module),

				flagsCSV:    nilPathHandler(h.flagsCSV(), "flagsCSV", module),

				indexCSV:    nilPathHandler(h.indexCSV(), "indexCSV", module),

				metadataCSV: nilPathHandler(h.metadataCSV(), "metadataCSV", module),

			}



			// If any errors were reported when trying to populate the hiddenAPISupportingModule struct

			// then don't add it to the list.

			if ctx.Failed() {

				continue

			}



			hiddenAPISupportingModules = append(hiddenAPISupportingModules, hiddenAPISupportingModule)

		} else if _, ok := module.(*DexImport); ok {

			// Ignore this for the purposes of hidden API processing

		} else {

			ctx.ModuleErrorf("module %s of type %s does not support hidden API processing", module, ctx.OtherModuleType(module))

		}

	}



	moduleSpecificFlagsPaths := android.Paths{}

	for _, module := range hiddenAPISupportingModules {

		moduleSpecificFlagsPaths = append(moduleSpecificFlagsPaths, module.flagsCSV)

	}



	flagFileInfo := b.properties.Hidden_api.hiddenAPIFlagFileInfo(ctx)

	for _, fragment := range fragments {

		if ctx.OtherModuleHasProvider(fragment, hiddenAPIFlagFileInfoProvider) {
@@ -362,61 +290,53 @@ func (b *platformBootclasspathModule) generateHiddenAPIBuildActions(ctx android. 
	// Store the information for testing.

	ctx.SetProvider(hiddenAPIFlagFileInfoProvider, flagFileInfo)



	outputPath := hiddenAPISingletonPaths(ctx).flags

	baseFlagsPath := hiddenAPISingletonPaths(ctx).stubFlags

	buildRuleToGenerateHiddenApiFlags(ctx, "hiddenAPIFlagsFile", "hiddenapi flags", outputPath, baseFlagsPath, moduleSpecificFlagsPaths, &flagFileInfo)



	b.generateHiddenAPIStubFlagsRules(ctx, hiddenAPISupportingModules)

	b.generateHiddenAPIIndexRules(ctx, hiddenAPISupportingModules)

	b.generatedHiddenAPIMetadataRules(ctx, hiddenAPISupportingModules)

}



func (b *platformBootclasspathModule) generateHiddenAPIStubFlagsRules(ctx android.ModuleContext, modules []hiddenAPISupportingModule) {

	bootDexJars := android.Paths{}

	for _, module := range modules {

		bootDexJars = append(bootDexJars, module.bootDexJar)

	}

	hiddenAPIModules := gatherHiddenAPIModuleFromContents(ctx, modules)



	sdkKindToStubPaths := hiddenAPIGatherStubLibDexJarPaths(ctx, nil)



	outputPath := hiddenAPISingletonPaths(ctx).stubFlags

	rule := ruleToGenerateHiddenAPIStubFlagsFile(ctx, outputPath, bootDexJars, sdkKindToStubPaths)

	// Generate the monolithic stub-flags.csv file.

	bootDexJars := extractBootDexJarsFromHiddenAPIModules(ctx, hiddenAPIModules)

	stubFlags := hiddenAPISingletonPaths(ctx).stubFlags

	rule := ruleToGenerateHiddenAPIStubFlagsFile(ctx, stubFlags, bootDexJars, sdkKindToStubPaths)

	rule.Build("platform-bootclasspath-monolithic-hiddenapi-stub-flags", "monolithic hidden API stub flags")

}



func (b *platformBootclasspathModule) generateHiddenAPIIndexRules(ctx android.ModuleContext, modules []hiddenAPISupportingModule) {

	indexes := android.Paths{}

	for _, module := range modules {

		indexes = append(indexes, module.indexCSV)

	}

	// Extract the classes jars from the contents.

	classesJars := extractClassJarsFromHiddenAPIModules(ctx, hiddenAPIModules)



	rule := android.NewRuleBuilder(pctx, ctx)

	rule.Command().

		BuiltTool("merge_csv").

		Flag("--key_field signature").

		FlagWithArg("--header=", "signature,file,startline,startcol,endline,endcol,properties").

		FlagWithOutput("--output=", hiddenAPISingletonPaths(ctx).index).

		Inputs(indexes)

	rule.Build("platform-bootclasspath-monolithic-hiddenapi-index", "monolithic hidden API index")

}

	// Generate the annotation-flags.csv file from all the module annotations.

	annotationFlags := android.PathForModuleOut(ctx, "hiddenapi-monolithic", "annotation-flags.csv")

	buildRuleToGenerateAnnotationFlags(ctx, "monolithic hiddenapi flags", classesJars, stubFlags, annotationFlags)



func (b *platformBootclasspathModule) generatedHiddenAPIMetadataRules(ctx android.ModuleContext, modules []hiddenAPISupportingModule) {

	metadataCSVFiles := android.Paths{}

	for _, module := range modules {

		metadataCSVFiles = append(metadataCSVFiles, module.metadataCSV)

	}

	// Generate the monotlithic hiddenapi-flags.csv file.

	allFlags := hiddenAPISingletonPaths(ctx).flags

	buildRuleToGenerateHiddenApiFlags(ctx, "hiddenAPIFlagsFile", "hiddenapi flags", allFlags, stubFlags, annotationFlags, &flagFileInfo)



	rule := android.NewRuleBuilder(pctx, ctx)

	// Generate an intermediate monolithic hiddenapi-metadata.csv file directly from the annotations

	// in the source code.

	intermediateMetadataCSV := android.PathForModuleOut(ctx, "hiddenapi-monolithic", "intermediate-metadata.csv")

	buildRuleToGenerateMetadata(ctx, "monolithic hidden API metadata", classesJars, stubFlags, intermediateMetadataCSV)



	outputPath := hiddenAPISingletonPaths(ctx).metadata

	// Reformat the intermediate file to add | quotes just in case that is important for the tools

	// that consume the metadata file.

	// TODO(b/179354495): Investigate whether it is possible to remove this reformatting step.

	metadataCSV := hiddenAPISingletonPaths(ctx).metadata

	b.buildRuleMergeCSV(ctx, "reformat monolithic hidden API metadata", android.Paths{intermediateMetadataCSV}, metadataCSV)



	// Generate the monolithic hiddenapi-index.csv file directly from the CSV files in the classes

	// jars.

	indexCSV := hiddenAPISingletonPaths(ctx).index

	buildRuleToGenerateIndex(ctx, "monolithic hidden API index", classesJars, indexCSV)

}



func (b *platformBootclasspathModule) buildRuleMergeCSV(ctx android.ModuleContext, desc string, inputPaths android.Paths, outputPath android.WritablePath) {

	rule := android.NewRuleBuilder(pctx, ctx)

	rule.Command().

		BuiltTool("merge_csv").

		Flag("--key_field signature").

		FlagWithOutput("--output=", outputPath).

		Inputs(metadataCSVFiles)

		Inputs(inputPaths)



	rule.Build("platform-bootclasspath-monolithic-hiddenapi-metadata", "monolithic hidden API metadata")

	rule.Build(desc, desc)

}



// generateHiddenApiMakeVars generates make variables needed by hidden API related make rules, e.g.