// Copyright 2022 Google Inc. All rights reserved. // // 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 multitree import ( "android/soong/android" "encoding/json" ) func init() { android.RegisterParallelSingletonType("update-meta", UpdateMetaSingleton) } func UpdateMetaSingleton() android.Singleton { return &updateMetaSingleton{} } type jsonImported struct { FileGroups map[string][]string `json:",omitempty"` } type metadataJsonFlags struct { Imported jsonImported `json:",omitempty"` Exported map[string][]string `json:",omitempty"` } type updateMetaSingleton struct { importedModules []string generatedMetadataFile android.OutputPath } func (s *updateMetaSingleton) GenerateBuildActions(ctx android.SingletonContext) { metadata := metadataJsonFlags{ Imported: jsonImported{ FileGroups: make(map[string][]string), }, Exported: make(map[string][]string), } ctx.VisitAllModules(func(module android.Module) { if ifg, ok := module.(*importedFileGroup); ok { metadata.Imported.FileGroups[ifg.BaseModuleName()] = ifg.properties.Imported } if e, ok := module.(ExportableModule); ok { if e.IsExported() && e.Exportable() { for tag, files := range e.TaggedOutputs() { // TODO(b/219846705): refactor this to a dictionary metadata.Exported[e.Name()+":"+tag] = append(metadata.Exported[e.Name()+":"+tag], files.Strings()...) } } } }) jsonStr, err := json.Marshal(metadata) if err != nil { ctx.Errorf(err.Error()) } s.generatedMetadataFile = android.PathForOutput(ctx, "multitree", "metadata.json") android.WriteFileRule(ctx, s.generatedMetadataFile, string(jsonStr)) } func (s *updateMetaSingleton) MakeVars(ctx android.MakeVarsContext) { ctx.Strict("MULTITREE_METADATA", s.generatedMetadataFile.String()) }