123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119 |
- // Copyright 2021 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"
- "fmt"
- "github.com/google/blueprint"
- )
- var (
- pctx = android.NewPackageContext("android/soong/multitree")
- )
- func init() {
- RegisterApiSurfaceBuildComponents(android.InitRegistrationContext)
- }
- var PrepareForTestWithApiSurface = android.FixtureRegisterWithContext(RegisterApiSurfaceBuildComponents)
- func RegisterApiSurfaceBuildComponents(ctx android.RegistrationContext) {
- ctx.RegisterModuleType("api_surface", ApiSurfaceFactory)
- }
- type ApiSurface struct {
- android.ModuleBase
- ExportableModuleBase
- properties apiSurfaceProperties
- allOutputs android.Paths
- taggedOutputs map[string]android.Paths
- }
- type apiSurfaceProperties struct {
- Contributions []string
- }
- func ApiSurfaceFactory() android.Module {
- module := &ApiSurface{}
- module.AddProperties(&module.properties)
- android.InitAndroidModule(module)
- InitExportableModule(module)
- return module
- }
- func (surface *ApiSurface) DepsMutator(ctx android.BottomUpMutatorContext) {
- if surface.properties.Contributions != nil {
- ctx.AddVariationDependencies(nil, nil, surface.properties.Contributions...)
- }
- }
- func (surface *ApiSurface) GenerateAndroidBuildActions(ctx android.ModuleContext) {
- contributionFiles := make(map[string]android.Paths)
- var allOutputs android.Paths
- ctx.WalkDeps(func(child, parent android.Module) bool {
- if contribution, ok := child.(ApiContribution); ok {
- copied := contribution.CopyFilesWithTag(ctx)
- for tag, files := range copied {
- contributionFiles[child.Name()+"#"+tag] = files
- }
- for _, paths := range copied {
- allOutputs = append(allOutputs, paths...)
- }
- return false // no transitive dependencies
- }
- return false
- })
- // phony target
- ctx.Build(pctx, android.BuildParams{
- Rule: blueprint.Phony,
- Output: android.PathForPhony(ctx, ctx.ModuleName()),
- Inputs: allOutputs,
- })
- surface.allOutputs = allOutputs
- surface.taggedOutputs = contributionFiles
- }
- func (surface *ApiSurface) OutputFiles(tag string) (android.Paths, error) {
- if tag != "" {
- return nil, fmt.Errorf("unknown tag: %q", tag)
- }
- return surface.allOutputs, nil
- }
- func (surface *ApiSurface) TaggedOutputs() map[string]android.Paths {
- return surface.taggedOutputs
- }
- func (surface *ApiSurface) Exportable() bool {
- return true
- }
- var _ android.OutputFileProducer = (*ApiSurface)(nil)
- var _ Exportable = (*ApiSurface)(nil)
- type ApiContribution interface {
- // copy files necessaryt to construct an API surface
- // For C, it will be map.txt and .h files
- // For Java, it will be api.txt
- CopyFilesWithTag(ctx android.ModuleContext) map[string]android.Paths // output paths
- // Generate Android.bp in out/ to use the exported .txt files
- // GenerateBuildFiles(ctx ModuleContext) Paths //output paths
- }
|