Stop generating unnecessary hidden API rules
The rules to extract hidden API information from an individual module
in order to create module specific files are no longer necessary as
the monolithic files are created directly from the module's class jars
and not the module specific files.
Bug: 179354495
Test: verified that the monolithic out/soong/hiddenapi/... files are
unchanged by this change
Change-Id: I573ac17f3ea5da5a2a7e4f08718160dacca71c0c
This commit is contained in:
Paul Duffin
parent
537ea3d04c
commit
afaa47c74a
4 changed files with 45 additions and 81 deletions
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@ -1223,9 +1223,11 @@ func (j *Module) compile(ctx android.ModuleContext, aaptSrcJar android.Path) {
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return
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}
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// Hidden API CSV generation and dex encoding
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dexOutputFile = j.hiddenAPIExtractAndEncode(ctx, dexOutputFile, j.implementationJarFile,
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proptools.Bool(j.dexProperties.Uncompress_dex))
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// Update hidden API paths.
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j.hiddenAPIUpdatePaths(ctx, dexOutputFile, j.implementationJarFile)
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// Encode hidden API flags in dex file.
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dexOutputFile = j.hiddenAPIEncodeDex(ctx, dexOutputFile, proptools.Bool(j.dexProperties.Uncompress_dex))
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// merge dex jar with resources if necessary
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if j.resourceJar != nil {
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@ -56,35 +56,6 @@ type hiddenAPI struct {
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// this file so using the encoded dex jar here would result in a cycle in the ninja rules.
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bootDexJarPath android.Path
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// The path to the CSV file that contains mappings from Java signature to various flags derived
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// from annotations in the source, e.g. whether it is public or the sdk version above which it
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// can no longer be used.
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//
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// It is created by the Class2NonSdkList tool which processes the .class files in the class
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// implementation jar looking for UnsupportedAppUsage and CovariantReturnType annotations. The
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// tool also consumes the hiddenAPISingletonPathsStruct.stubFlags file in order to perform
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// consistency checks on the information in the annotations and to filter out bridge methods
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// that are already part of the public API.
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flagsCSVPath android.Path
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// The path to the CSV file that contains mappings from Java signature to the value of properties
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// specified on UnsupportedAppUsage annotations in the source.
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//
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// Like the flagsCSVPath file this is also created by the Class2NonSdkList in the same way.
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// Although the two files could potentially be created in a single invocation of the
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// Class2NonSdkList at the moment they are created using their own invocation, with the behavior
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// being determined by the property that is used.
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metadataCSVPath android.Path
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// The path to the CSV file that contains mappings from Java signature to source location
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// information.
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//
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// It is created by the merge_csv tool which processes the class implementation jar, extracting
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// all the files ending in .uau (which are CSV files) and merges them together. The .uau files are
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// created by the unsupported app usage annotation processor during compilation of the class
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// implementation jar.
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indexCSVPath android.Path
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// The paths to the classes jars that contain classes and class members annotated with
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// the UnsupportedAppUsage annotation that need to be extracted as part of the hidden API
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// processing.
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@ -182,25 +153,14 @@ func isModuleInBootClassPath(ctx android.BaseModuleContext, module android.Modul
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return active
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}
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// hiddenAPIExtractAndEncode is called by any module that could contribute to the hiddenapi
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// processing.
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// hiddenAPIEncodeDex is called by any module that needs to encode dex files.
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//
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// It ignores any module that has not had initHiddenApi() called on it and which is not in the boot
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// jar list.
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// jar list. In that case it simply returns the supplied dex jar path.
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//
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// Otherwise, it generates ninja rules to do the following:
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// 1. Extract information needed for hiddenapi processing from the module and output it into CSV
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// files.
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// 2. Conditionally adds the supplied dex file to the list of files used to generate the
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// hiddenAPISingletonPathsStruct.stubsFlag file.
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// 3. Conditionally creates a copy of the supplied dex file into which it has encoded the hiddenapi
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// flags and returns this instead of the supplied dex jar, otherwise simply returns the supplied
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// dex jar.
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func (h *hiddenAPI) hiddenAPIExtractAndEncode(ctx android.ModuleContext, dexJar android.OutputPath,
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implementationJar android.Path, uncompressDex bool) android.OutputPath {
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// Call before checking if this is active as it will update the hiddenAPI structure.
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h.hiddenAPIExtractInformation(ctx, dexJar, implementationJar)
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// Otherwise, it creates a copy of the supplied dex file into which it has encoded the hiddenapi
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// flags and returns this instead of the supplied dex jar.
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func (h *hiddenAPI) hiddenAPIEncodeDex(ctx android.ModuleContext, dexJar android.OutputPath, uncompressDex bool) android.OutputPath {
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if !h.active {
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return dexJar
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@ -217,12 +177,12 @@ func (h *hiddenAPI) hiddenAPIExtractAndEncode(ctx android.ModuleContext, dexJar
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return dexJar
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}
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// hiddenAPIExtractInformation generates ninja rules to extract the information from the classes
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// hiddenAPIUpdatePaths generates ninja rules to extract the information from the classes
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// jar, and outputs it to the appropriate module specific CSV file.
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//
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// It also makes the dex jar available for use when generating the
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// hiddenAPISingletonPathsStruct.stubFlags.
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func (h *hiddenAPI) hiddenAPIExtractInformation(ctx android.ModuleContext, dexJar, classesJar android.Path) {
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func (h *hiddenAPI) hiddenAPIUpdatePaths(ctx android.ModuleContext, dexJar, classesJar android.Path) {
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// Save the classes jars even if this is not active as they may be used by modular hidden API
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// processing.
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@ -236,35 +196,20 @@ func (h *hiddenAPI) hiddenAPIExtractInformation(ctx android.ModuleContext, dexJa
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// Save the unencoded dex jar so it can be used when generating the
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// hiddenAPISingletonPathsStruct.stubFlags file.
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h.bootDexJarPath = dexJar
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if !h.active {
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return
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}
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// More than one library with the same classes may need to be encoded but only one should be
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// used as a source of information for hidden API processing otherwise it will result in
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// duplicate entries in the files.
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if !h.primary {
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return
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}
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stubFlagsCSV := hiddenAPISingletonPaths(ctx).stubFlags
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flagsCSV := android.PathForModuleOut(ctx, "hiddenapi", "flags.csv")
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h.flagsCSVPath = flagsCSV
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buildRuleToGenerateAnnotationFlags(ctx, "hiddenapi flags", classesJars, stubFlagsCSV, flagsCSV)
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metadataCSV := android.PathForModuleOut(ctx, "hiddenapi", "metadata.csv")
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h.metadataCSVPath = metadataCSV
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buildRuleToGenerateMetadata(ctx, "hiddenapi metadata", classesJars, stubFlagsCSV, metadataCSV)
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indexCSV := android.PathForModuleOut(ctx, "hiddenapi", "index.csv")
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h.indexCSVPath = indexCSV
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buildRuleToGenerateIndex(ctx, "Merged Hidden API index", classesJars, indexCSV)
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}
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// buildRuleToGenerateAnnotationFlags builds a ninja rule to generate the annotation-flags.csv file
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// from the classes jars and stub-flags.csv files.
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//
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// The annotation-flags.csv file contains mappings from Java signature to various flags derived from
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// annotations in the source, e.g. whether it is public or the sdk version above which it can no
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// longer be used.
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//
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// It is created by the Class2NonSdkList tool which processes the .class files in the class
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// implementation jar looking for UnsupportedAppUsage and CovariantReturnType annotations. The
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// tool also consumes the hiddenAPISingletonPathsStruct.stubFlags file in order to perform
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// consistency checks on the information in the annotations and to filter out bridge methods
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// that are already part of the public API.
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func buildRuleToGenerateAnnotationFlags(ctx android.ModuleContext, desc string, classesJars android.Paths, stubFlagsCSV android.Path, outputPath android.WritablePath) {
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ctx.Build(pctx, android.BuildParams{
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Rule: hiddenAPIGenerateCSVRule,
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@ -281,6 +226,14 @@ func buildRuleToGenerateAnnotationFlags(ctx android.ModuleContext, desc string,
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// buildRuleToGenerateMetadata builds a ninja rule to generate the metadata.csv file from
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// the classes jars and stub-flags.csv files.
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//
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// The metadata.csv file contains mappings from Java signature to the value of properties specified
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// on UnsupportedAppUsage annotations in the source.
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//
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// Like the annotation-flags.csv file this is also created by the Class2NonSdkList in the same way.
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// Although the two files could potentially be created in a single invocation of the
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// Class2NonSdkList at the moment they are created using their own invocation, with the behavior
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// being determined by the property that is used.
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func buildRuleToGenerateMetadata(ctx android.ModuleContext, desc string, classesJars android.Paths, stubFlagsCSV android.Path, metadataCSV android.WritablePath) {
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ctx.Build(pctx, android.BuildParams{
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Rule: hiddenAPIGenerateCSVRule,
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@ -295,8 +248,15 @@ func buildRuleToGenerateMetadata(ctx android.ModuleContext, desc string, classes
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})
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}
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// buildRuleToGenerateMetadata builds a ninja rule to generate the index.csv file from the classes
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// buildRuleToGenerateIndex builds a ninja rule to generate the index.csv file from the classes
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// jars.
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//
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// The index.csv file contains mappings from Java signature to source location information.
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//
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// It is created by the merge_csv tool which processes the class implementation jar, extracting
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// all the files ending in .uau (which are CSV files) and merges them together. The .uau files are
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// created by the unsupported app usage annotation processor during compilation of the class
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// implementation jar.
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func buildRuleToGenerateIndex(ctx android.ModuleContext, desc string, classesJars android.Paths, indexCSV android.WritablePath) {
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rule := android.NewRuleBuilder(pctx, ctx)
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rule.Command().
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10
java/java.go
10
java/java.go
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@ -1315,7 +1315,7 @@ func (j *Import) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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di := ctx.OtherModuleProvider(deapexerModule, android.DeapexerProvider).(android.DeapexerInfo)
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if dexOutputPath := di.PrebuiltExportPath(j.BaseModuleName(), ".dexjar"); dexOutputPath != nil {
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j.dexJarFile = dexOutputPath
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j.hiddenAPIExtractInformation(ctx, dexOutputPath, outputFile)
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j.hiddenAPIUpdatePaths(ctx, dexOutputPath, outputFile)
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} else {
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// This should never happen as a variant for a prebuilt_apex is only created if the
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// prebuilt_apex has been configured to export the java library dex file.
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@ -1346,9 +1346,11 @@ func (j *Import) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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return
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}
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// Hidden API CSV generation and dex encoding
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dexOutputFile = j.hiddenAPIExtractAndEncode(ctx, dexOutputFile, outputFile,
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proptools.Bool(j.dexProperties.Uncompress_dex))
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// Update hidden API paths.
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j.hiddenAPIUpdatePaths(ctx, dexOutputFile, outputFile)
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// Encode hidden API flags in dex file.
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dexOutputFile = j.hiddenAPIEncodeDex(ctx, dexOutputFile, proptools.Bool(j.dexProperties.Uncompress_dex))
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j.dexJarFile = dexOutputFile
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}
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@ -2128,7 +2128,7 @@ func (module *SdkLibraryImport) GenerateAndroidBuildActions(ctx android.ModuleCo
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if dexOutputPath := di.PrebuiltExportPath(module.BaseModuleName(), ".dexjar"); dexOutputPath != nil {
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module.dexJarFile = dexOutputPath
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module.initHiddenAPI(ctx, module.configurationName)
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module.hiddenAPIExtractInformation(ctx, dexOutputPath, module.findScopePaths(apiScopePublic).stubsImplPath[0])
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module.hiddenAPIUpdatePaths(ctx, dexOutputPath, module.findScopePaths(apiScopePublic).stubsImplPath[0])
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} else {
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// This should never happen as a variant for a prebuilt_apex is only created if the
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// prebuilt_apex has been configured to export the java library dex file.
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