75 lines
2.2 KiB
Go
75 lines
2.2 KiB
Go
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// Copyright 2022 Google Inc. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package multitree
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import (
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"android/soong/android"
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"encoding/json"
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)
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func init() {
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android.RegisterSingletonType("update-meta", UpdateMetaSingleton)
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}
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func UpdateMetaSingleton() android.Singleton {
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return &updateMetaSingleton{}
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}
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type jsonImported struct {
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FileGroups map[string][]string `json:",omitempty"`
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}
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type metadataJsonFlags struct {
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Imported jsonImported `json:",omitempty"`
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Exported map[string][]string `json:",omitempty"`
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}
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type updateMetaSingleton struct {
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importedModules []string
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generatedMetadataFile android.OutputPath
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}
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func (s *updateMetaSingleton) GenerateBuildActions(ctx android.SingletonContext) {
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metadata := metadataJsonFlags{
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Imported: jsonImported{
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FileGroups: make(map[string][]string),
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},
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Exported: make(map[string][]string),
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}
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ctx.VisitAllModules(func(module android.Module) {
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if ifg, ok := module.(*importedFileGroup); ok {
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metadata.Imported.FileGroups[ifg.BaseModuleName()] = ifg.properties.Imported
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}
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if e, ok := module.(ExportableModule); ok {
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if e.IsExported() && e.Exportable() {
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for tag, files := range e.TaggedOutputs() {
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// TODO(b/219846705): refactor this to a dictionary
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metadata.Exported[e.Name()+":"+tag] = append(metadata.Exported[e.Name()+":"+tag], files.Strings()...)
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}
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}
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}
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})
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jsonStr, err := json.Marshal(metadata)
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if err != nil {
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ctx.Errorf(err.Error())
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}
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s.generatedMetadataFile = android.PathForOutput(ctx, "multitree", "metadata.json")
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android.WriteFileRule(ctx, s.generatedMetadataFile, string(jsonStr))
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}
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func (s *updateMetaSingleton) MakeVars(ctx android.MakeVarsContext) {
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ctx.Strict("MULTITREE_METADATA", s.generatedMetadataFile.String())
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}
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