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// Copyright (C) 2021 The Android Open Source Project
//
// 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 (
"android/soong/android"
"github.com/google/blueprint"
)
// MonolithicHiddenAPIInfo contains information needed/provided by the hidden API generation of the
// monolithic hidden API files.
//
// Each list of paths includes all the equivalent paths from each of the bootclasspath_fragment
// modules that contribute to the platform-bootclasspath.
type MonolithicHiddenAPIInfo struct {
// FlagsFilesByCategory maps from the flag file category to the paths containing information for
// that category.
FlagsFilesByCategory FlagFilesByCategory
// The paths to the generated annotation-flags.csv files.
AnnotationFlagsPaths android.Paths
// The paths to the generated metadata.csv files.
MetadataPaths android.Paths
// The paths to the generated index.csv files.
IndexPaths android.Paths
// The subsets of the monolithic hiddenapi-stubs-flags.txt file that are provided by each
// bootclasspath_fragment modules.
StubFlagSubsets SignatureCsvSubsets
// The subsets of the monolithic hiddenapi-flags.csv file that are provided by each
// bootclasspath_fragment modules.
FlagSubsets SignatureCsvSubsets
// The classes jars from the libraries on the platform bootclasspath.
ClassesJars android.Paths
}
// newMonolithicHiddenAPIInfo creates a new MonolithicHiddenAPIInfo from the flagFilesByCategory
// plus information provided by each of the fragments.
func newMonolithicHiddenAPIInfo(ctx android.ModuleContext, flagFilesByCategory FlagFilesByCategory, classpathElements ClasspathElements) MonolithicHiddenAPIInfo {
monolithicInfo := MonolithicHiddenAPIInfo{}
monolithicInfo.FlagsFilesByCategory = flagFilesByCategory
// Merge all the information from the classpathElements. The fragments form a DAG so it is possible that
// this will introduce duplicates so they will be resolved after processing all the classpathElements.
for _, element := range classpathElements {
switch e := element.(type) {
case *ClasspathLibraryElement:
classesJars := retrieveClassesJarsFromModule(e.Module())
monolithicInfo.ClassesJars = append(monolithicInfo.ClassesJars, classesJars...)
case *ClasspathFragmentElement:
fragment := e.Module()
if info, ok := android.OtherModuleProvider(ctx, fragment, HiddenAPIInfoProvider); ok {
monolithicInfo.append(ctx, fragment, &info)
} else {
ctx.ModuleErrorf("%s does not provide hidden API information", fragment)
}
}
}
return monolithicInfo
}
// append appends all the files from the supplied info to the corresponding files in this struct.
func (i *MonolithicHiddenAPIInfo) append(ctx android.ModuleContext, otherModule android.Module, other *HiddenAPIInfo) {
i.FlagsFilesByCategory.append(other.FlagFilesByCategory)
i.AnnotationFlagsPaths = append(i.AnnotationFlagsPaths, other.AnnotationFlagsPath)
i.MetadataPaths = append(i.MetadataPaths, other.MetadataPath)
i.IndexPaths = append(i.IndexPaths, other.IndexPath)
apexInfo, ok := android.OtherModuleProvider(ctx, otherModule, android.ApexInfoProvider)
if !ok {
ctx.ModuleErrorf("Could not determine min_version_version of %s\n", otherModule.Name())
return
}
if apexInfo.MinSdkVersion.LessThanOrEqualTo(android.ApiLevelR) {
// Restrict verify_overlaps to R and older modules.
// The runtime in S does not have the same restriction that
// requires the hiddenapi flags to be generated in a monolithic
// invocation.
i.StubFlagSubsets = append(i.StubFlagSubsets, other.StubFlagSubset())
i.FlagSubsets = append(i.FlagSubsets, other.FlagSubset())
}
}
var MonolithicHiddenAPIInfoProvider = blueprint.NewProvider[MonolithicHiddenAPIInfo]()
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