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- // 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"
- "strings"
- "github.com/google/blueprint"
- )
- var (
- apiImportNameSuffix = ".apiimport"
- )
- func init() {
- RegisterApiImportsModule(android.InitRegistrationContext)
- android.RegisterMakeVarsProvider(pctx, makeVarsProvider)
- }
- func RegisterApiImportsModule(ctx android.RegistrationContext) {
- ctx.RegisterModuleType("api_imports", apiImportsFactory)
- }
- type ApiImports struct {
- android.ModuleBase
- properties apiImportsProperties
- }
- type apiImportsProperties struct {
- Shared_libs []string // List of C shared libraries from API surfaces
- Header_libs []string // List of C header libraries from API surfaces
- Apex_shared_libs []string // List of C shared libraries with APEX stubs
- }
- // 'api_imports' is a module which describes modules available from API surfaces.
- // This module is required to get the list of all imported API modules, because
- // it is discouraged to loop and fetch all modules from its type information. The
- // only module with name 'api_imports' will be used from the build.
- func apiImportsFactory() android.Module {
- module := &ApiImports{}
- module.AddProperties(&module.properties)
- android.InitAndroidModule(module)
- return module
- }
- func (imports *ApiImports) GenerateAndroidBuildActions(ctx android.ModuleContext) {
- // ApiImport module does not generate any build actions
- }
- type ApiImportInfo struct {
- SharedLibs, HeaderLibs, ApexSharedLibs map[string]string
- }
- var ApiImportsProvider = blueprint.NewMutatorProvider(ApiImportInfo{}, "deps")
- // Store module lists into ApiImportInfo and share it over mutator provider.
- func (imports *ApiImports) DepsMutator(ctx android.BottomUpMutatorContext) {
- generateNameMapWithSuffix := func(names []string) map[string]string {
- moduleNameMap := make(map[string]string)
- for _, name := range names {
- moduleNameMap[name] = name + apiImportNameSuffix
- }
- return moduleNameMap
- }
- sharedLibs := generateNameMapWithSuffix(imports.properties.Shared_libs)
- headerLibs := generateNameMapWithSuffix(imports.properties.Header_libs)
- apexSharedLibs := generateNameMapWithSuffix(imports.properties.Apex_shared_libs)
- ctx.SetProvider(ApiImportsProvider, ApiImportInfo{
- SharedLibs: sharedLibs,
- HeaderLibs: headerLibs,
- ApexSharedLibs: apexSharedLibs,
- })
- }
- func GetApiImportSuffix() string {
- return apiImportNameSuffix
- }
- func makeVarsProvider(ctx android.MakeVarsContext) {
- ctx.VisitAllModules(func(m android.Module) {
- if i, ok := m.(*ApiImports); ok {
- ctx.Strict("API_IMPORTED_SHARED_LIBRARIES", strings.Join(i.properties.Shared_libs, " "))
- ctx.Strict("API_IMPORTED_HEADER_LIBRARIES", strings.Join(i.properties.Header_libs, " "))
- }
- })
- }
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