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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)
android.SetProvider(ctx, 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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