326 lines
9.9 KiB
Go
326 lines
9.9 KiB
Go
// Copyright 2019 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 java
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import (
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"path/filepath"
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"android/soong/android"
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"github.com/google/blueprint"
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"fmt"
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)
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func init() {
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registerPlatformCompatConfigBuildComponents(android.InitRegistrationContext)
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android.RegisterSdkMemberType(&compatConfigMemberType{
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SdkMemberTypeBase: android.SdkMemberTypeBase{
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PropertyName: "compat_configs",
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SupportsSdk: true,
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},
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})
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}
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func registerPlatformCompatConfigBuildComponents(ctx android.RegistrationContext) {
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ctx.RegisterSingletonType("platform_compat_config_singleton", platformCompatConfigSingletonFactory)
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ctx.RegisterModuleType("platform_compat_config", PlatformCompatConfigFactory)
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ctx.RegisterModuleType("prebuilt_platform_compat_config", prebuiltCompatConfigFactory)
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ctx.RegisterModuleType("global_compat_config", globalCompatConfigFactory)
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}
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var PrepareForTestWithPlatformCompatConfig = android.FixtureRegisterWithContext(registerPlatformCompatConfigBuildComponents)
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func platformCompatConfigPath(ctx android.PathContext) android.OutputPath {
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return android.PathForOutput(ctx, "compat_config", "merged_compat_config.xml")
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}
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type platformCompatConfigProperties struct {
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Src *string `android:"path"`
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}
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type platformCompatConfig struct {
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android.ModuleBase
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android.SdkBase
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properties platformCompatConfigProperties
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installDirPath android.InstallPath
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configFile android.OutputPath
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metadataFile android.OutputPath
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}
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func (p *platformCompatConfig) compatConfigMetadata() android.Path {
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return p.metadataFile
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}
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func (p *platformCompatConfig) CompatConfig() android.OutputPath {
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return p.configFile
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}
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func (p *platformCompatConfig) SubDir() string {
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return "compatconfig"
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}
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type platformCompatConfigMetadataProvider interface {
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compatConfigMetadata() android.Path
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}
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type PlatformCompatConfigIntf interface {
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android.Module
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CompatConfig() android.OutputPath
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// Sub dir under etc dir.
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SubDir() string
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}
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var _ PlatformCompatConfigIntf = (*platformCompatConfig)(nil)
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var _ platformCompatConfigMetadataProvider = (*platformCompatConfig)(nil)
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func (p *platformCompatConfig) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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rule := android.NewRuleBuilder(pctx, ctx)
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configFileName := p.Name() + ".xml"
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metadataFileName := p.Name() + "_meta.xml"
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p.configFile = android.PathForModuleOut(ctx, configFileName).OutputPath
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p.metadataFile = android.PathForModuleOut(ctx, metadataFileName).OutputPath
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path := android.PathForModuleSrc(ctx, String(p.properties.Src))
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rule.Command().
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BuiltTool("process-compat-config").
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FlagWithInput("--jar ", path).
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FlagWithOutput("--device-config ", p.configFile).
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FlagWithOutput("--merged-config ", p.metadataFile)
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p.installDirPath = android.PathForModuleInstall(ctx, "etc", "compatconfig")
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rule.Build(configFileName, "Extract compat/compat_config.xml and install it")
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}
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func (p *platformCompatConfig) AndroidMkEntries() []android.AndroidMkEntries {
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return []android.AndroidMkEntries{android.AndroidMkEntries{
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Class: "ETC",
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OutputFile: android.OptionalPathForPath(p.configFile),
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Include: "$(BUILD_PREBUILT)",
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ExtraEntries: []android.AndroidMkExtraEntriesFunc{
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func(ctx android.AndroidMkExtraEntriesContext, entries *android.AndroidMkEntries) {
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entries.SetString("LOCAL_MODULE_PATH", p.installDirPath.ToMakePath().String())
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entries.SetString("LOCAL_INSTALLED_MODULE_STEM", p.configFile.Base())
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},
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},
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}}
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}
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func PlatformCompatConfigFactory() android.Module {
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module := &platformCompatConfig{}
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module.AddProperties(&module.properties)
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android.InitSdkAwareModule(module)
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android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon)
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return module
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}
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type compatConfigMemberType struct {
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android.SdkMemberTypeBase
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}
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func (b *compatConfigMemberType) AddDependencies(mctx android.BottomUpMutatorContext, dependencyTag blueprint.DependencyTag, names []string) {
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mctx.AddVariationDependencies(nil, dependencyTag, names...)
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}
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func (b *compatConfigMemberType) IsInstance(module android.Module) bool {
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_, ok := module.(*platformCompatConfig)
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return ok
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}
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func (b *compatConfigMemberType) AddPrebuiltModule(ctx android.SdkMemberContext, member android.SdkMember) android.BpModule {
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return ctx.SnapshotBuilder().AddPrebuiltModule(member, "prebuilt_platform_compat_config")
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}
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func (b *compatConfigMemberType) CreateVariantPropertiesStruct() android.SdkMemberProperties {
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return &compatConfigSdkMemberProperties{}
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}
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type compatConfigSdkMemberProperties struct {
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android.SdkMemberPropertiesBase
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Metadata android.Path
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}
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func (b *compatConfigSdkMemberProperties) PopulateFromVariant(ctx android.SdkMemberContext, variant android.Module) {
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module := variant.(*platformCompatConfig)
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b.Metadata = module.metadataFile
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}
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func (b *compatConfigSdkMemberProperties) AddToPropertySet(ctx android.SdkMemberContext, propertySet android.BpPropertySet) {
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builder := ctx.SnapshotBuilder()
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if b.Metadata != nil {
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snapshotRelativePath := filepath.Join("compat_configs", ctx.Name(), b.Metadata.Base())
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builder.CopyToSnapshot(b.Metadata, snapshotRelativePath)
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propertySet.AddProperty("metadata", snapshotRelativePath)
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}
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}
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var _ android.SdkMemberType = (*compatConfigMemberType)(nil)
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// A prebuilt version of the platform compat config module.
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type prebuiltCompatConfigModule struct {
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android.ModuleBase
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android.SdkBase
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prebuilt android.Prebuilt
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properties prebuiltCompatConfigProperties
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metadataFile android.Path
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}
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type prebuiltCompatConfigProperties struct {
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Metadata *string `android:"path"`
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}
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func (module *prebuiltCompatConfigModule) Prebuilt() *android.Prebuilt {
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return &module.prebuilt
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}
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func (module *prebuiltCompatConfigModule) Name() string {
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return module.prebuilt.Name(module.ModuleBase.Name())
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}
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func (module *prebuiltCompatConfigModule) compatConfigMetadata() android.Path {
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return module.metadataFile
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}
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var _ platformCompatConfigMetadataProvider = (*prebuiltCompatConfigModule)(nil)
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func (module *prebuiltCompatConfigModule) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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module.metadataFile = module.prebuilt.SingleSourcePath(ctx)
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}
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// A prebuilt version of platform_compat_config that provides the metadata.
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func prebuiltCompatConfigFactory() android.Module {
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m := &prebuiltCompatConfigModule{}
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m.AddProperties(&m.properties)
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android.InitSingleSourcePrebuiltModule(m, &m.properties, "Metadata")
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android.InitSdkAwareModule(m)
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android.InitAndroidArchModule(m, android.DeviceSupported, android.MultilibCommon)
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return m
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}
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// compat singleton rules
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type platformCompatConfigSingleton struct {
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metadata android.Path
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}
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// isModulePreferredByCompatConfig checks to see whether the module is preferred for use by
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// platform compat config.
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func isModulePreferredByCompatConfig(module android.Module) bool {
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// A versioned prebuilt_platform_compat_config, i.e. foo-platform-compat-config@current should be
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// ignored.
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if android.IsModuleInVersionedSdk(module) {
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return false
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}
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return android.IsModulePreferred(module)
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}
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func (p *platformCompatConfigSingleton) GenerateBuildActions(ctx android.SingletonContext) {
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var compatConfigMetadata android.Paths
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ctx.VisitAllModules(func(module android.Module) {
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if !module.Enabled() {
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return
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}
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if c, ok := module.(platformCompatConfigMetadataProvider); ok {
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if !isModulePreferredByCompatConfig(module) {
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return
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}
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metadata := c.compatConfigMetadata()
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compatConfigMetadata = append(compatConfigMetadata, metadata)
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}
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})
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if compatConfigMetadata == nil {
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// nothing to do.
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return
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}
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rule := android.NewRuleBuilder(pctx, ctx)
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outputPath := platformCompatConfigPath(ctx)
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rule.Command().
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BuiltTool("process-compat-config").
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FlagForEachInput("--xml ", compatConfigMetadata).
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FlagWithOutput("--merged-config ", outputPath)
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rule.Build("merged-compat-config", "Merge compat config")
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p.metadata = outputPath
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}
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func (p *platformCompatConfigSingleton) MakeVars(ctx android.MakeVarsContext) {
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if p.metadata != nil {
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ctx.Strict("INTERNAL_PLATFORM_MERGED_COMPAT_CONFIG", p.metadata.String())
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}
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}
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func platformCompatConfigSingletonFactory() android.Singleton {
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return &platformCompatConfigSingleton{}
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}
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//============== merged_compat_config =================
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type globalCompatConfigProperties struct {
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// name of the file into which the metadata will be copied.
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Filename *string
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}
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type globalCompatConfig struct {
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android.ModuleBase
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properties globalCompatConfigProperties
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outputFilePath android.OutputPath
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}
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func (c *globalCompatConfig) GenerateAndroidBuildActions(ctx android.ModuleContext) {
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filename := String(c.properties.Filename)
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inputPath := platformCompatConfigPath(ctx)
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c.outputFilePath = android.PathForModuleOut(ctx, filename).OutputPath
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// This ensures that outputFilePath has the correct name for others to
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// use, as the source file may have a different name.
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ctx.Build(pctx, android.BuildParams{
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Rule: android.Cp,
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Output: c.outputFilePath,
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Input: inputPath,
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})
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}
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func (h *globalCompatConfig) OutputFiles(tag string) (android.Paths, error) {
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switch tag {
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case "":
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return android.Paths{h.outputFilePath}, nil
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default:
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return nil, fmt.Errorf("unsupported module reference tag %q", tag)
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}
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}
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// global_compat_config provides access to the merged compat config xml file generated by the build.
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func globalCompatConfigFactory() android.Module {
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module := &globalCompatConfig{}
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module.AddProperties(&module.properties)
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android.InitAndroidArchModule(module, android.HostAndDeviceSupported, android.MultilibCommon)
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return module
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}
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