4fbee9af0b
This change supports adding dependencies from the aconfig_value_set module to the aconfig_values modules from `srcs`, which are the paths to the Android.bp files where the aconfig_value modules are defined. Test: m nothing --no-skip-soong-tests Bug: 365827715 Change-Id: Idd5f1d9c2625a6362dbaf3adba0a74406e3a9928
121 lines
3.7 KiB
Go
121 lines
3.7 KiB
Go
// Copyright 2023 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 aconfig
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import (
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"android/soong/android"
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"fmt"
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"strings"
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"github.com/google/blueprint"
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)
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// Properties for "aconfig_value_set"
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type ValueSetModule struct {
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android.ModuleBase
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android.DefaultableModuleBase
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properties struct {
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// aconfig_values modules
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Values []string
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// Paths to the Android.bp files where the aconfig_values modules are defined.
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Srcs []string
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}
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}
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func ValueSetFactory() android.Module {
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module := &ValueSetModule{}
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android.InitAndroidModule(module)
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android.InitDefaultableModule(module)
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module.AddProperties(&module.properties)
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return module
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}
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// Dependency tag for values property
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type valueSetType struct {
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blueprint.BaseDependencyTag
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}
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var valueSetTag = valueSetType{}
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// Provider published by aconfig_value_set
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type valueSetProviderData struct {
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// The package of each of the
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// (map of package --> aconfig_module)
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AvailablePackages map[string]android.Paths
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}
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var valueSetProviderKey = blueprint.NewProvider[valueSetProviderData]()
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func (module *ValueSetModule) FindAconfigValuesFromSrc(ctx android.BottomUpMutatorContext) map[string]android.Path {
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moduleDir := ctx.ModuleDir()
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srcs := android.PathsForModuleSrcExcludes(ctx, module.properties.Srcs, []string{ctx.BlueprintsFile()})
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aconfigValuesPrefix := strings.Replace(module.Name(), "aconfig_value_set", "aconfig-values", 1)
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moduleNamesSrcMap := make(map[string]android.Path)
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for _, src := range srcs {
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subDir := strings.TrimPrefix(src.String(), moduleDir+"/")
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packageName, _, found := strings.Cut(subDir, "/")
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if found {
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moduleName := fmt.Sprintf("%s-%s-all", aconfigValuesPrefix, packageName)
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moduleNamesSrcMap[moduleName] = src
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}
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}
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return moduleNamesSrcMap
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}
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func (module *ValueSetModule) DepsMutator(ctx android.BottomUpMutatorContext) {
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// TODO: b/366285733 - Replace the file path based solution with more robust solution.
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aconfigValuesMap := module.FindAconfigValuesFromSrc(ctx)
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for _, moduleName := range android.SortedKeys(aconfigValuesMap) {
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if ctx.OtherModuleExists(moduleName) {
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ctx.AddDependency(ctx.Module(), valueSetTag, moduleName)
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} else {
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ctx.ModuleErrorf("module %q not found. Rename the aconfig_values module defined in %q to %q", moduleName, aconfigValuesMap[moduleName], moduleName)
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}
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}
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deps := ctx.AddDependency(ctx.Module(), valueSetTag, module.properties.Values...)
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for _, dep := range deps {
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_, ok := dep.(*ValuesModule)
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if !ok {
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ctx.PropertyErrorf("values", "values must be a aconfig_values module")
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return
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}
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}
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}
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func (module *ValueSetModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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// Accumulate the packages of the values modules listed, and set that as an
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// valueSetProviderKey provider that aconfig modules can read and use
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// to append values to their aconfig actions.
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packages := make(map[string]android.Paths)
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ctx.VisitDirectDeps(func(dep android.Module) {
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if depData, ok := android.OtherModuleProvider(ctx, dep, valuesProviderKey); ok {
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srcs := make([]android.Path, len(depData.Values))
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copy(srcs, depData.Values)
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packages[depData.Package] = srcs
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}
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})
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android.SetProvider(ctx, valueSetProviderKey, valueSetProviderData{
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AvailablePackages: packages,
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})
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}
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