|  | // Copyright 2019 The Android Open Source Project | 
|  | // | 
|  | // 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 rust | 
|  |  | 
|  | import ( | 
|  | "fmt" | 
|  | "strings" | 
|  |  | 
|  | "android/soong/bazel" | 
|  | "android/soong/bloaty" | 
|  | "android/soong/testing" | 
|  | "android/soong/ui/metrics/bp2build_metrics_proto" | 
|  |  | 
|  | "github.com/google/blueprint" | 
|  | "github.com/google/blueprint/proptools" | 
|  |  | 
|  | "android/soong/android" | 
|  | "android/soong/cc" | 
|  | cc_config "android/soong/cc/config" | 
|  | "android/soong/fuzz" | 
|  | "android/soong/multitree" | 
|  | "android/soong/rust/config" | 
|  | "android/soong/snapshot" | 
|  | ) | 
|  |  | 
|  | var pctx = android.NewPackageContext("android/soong/rust") | 
|  |  | 
|  | func init() { | 
|  | android.RegisterModuleType("rust_defaults", defaultsFactory) | 
|  | android.PreDepsMutators(func(ctx android.RegisterMutatorsContext) { | 
|  | ctx.BottomUp("rust_libraries", LibraryMutator).Parallel() | 
|  | ctx.BottomUp("rust_stdlinkage", LibstdMutator).Parallel() | 
|  | ctx.BottomUp("rust_begin", BeginMutator).Parallel() | 
|  | }) | 
|  | android.PostDepsMutators(func(ctx android.RegisterMutatorsContext) { | 
|  | ctx.BottomUp("rust_sanitizers", rustSanitizerRuntimeMutator).Parallel() | 
|  | }) | 
|  | pctx.Import("android/soong/android") | 
|  | pctx.Import("android/soong/rust/config") | 
|  | pctx.ImportAs("cc_config", "android/soong/cc/config") | 
|  | android.InitRegistrationContext.RegisterParallelSingletonType("kythe_rust_extract", kytheExtractRustFactory) | 
|  | } | 
|  |  | 
|  | type Flags struct { | 
|  | GlobalRustFlags []string // Flags that apply globally to rust | 
|  | GlobalLinkFlags []string // Flags that apply globally to linker | 
|  | RustFlags       []string // Flags that apply to rust | 
|  | LinkFlags       []string // Flags that apply to linker | 
|  | ClippyFlags     []string // Flags that apply to clippy-driver, during the linting | 
|  | RustdocFlags    []string // Flags that apply to rustdoc | 
|  | Toolchain       config.Toolchain | 
|  | Coverage        bool | 
|  | Clippy          bool | 
|  | EmitXrefs       bool // If true, emit rules to aid cross-referencing | 
|  | } | 
|  |  | 
|  | type BaseProperties struct { | 
|  | AndroidMkRlibs         []string `blueprint:"mutated"` | 
|  | AndroidMkDylibs        []string `blueprint:"mutated"` | 
|  | AndroidMkProcMacroLibs []string `blueprint:"mutated"` | 
|  | AndroidMkStaticLibs    []string `blueprint:"mutated"` | 
|  |  | 
|  | ImageVariationPrefix string `blueprint:"mutated"` | 
|  | VndkVersion          string `blueprint:"mutated"` | 
|  | SubName              string `blueprint:"mutated"` | 
|  |  | 
|  | // SubName is used by CC for tracking image variants / SDK versions. RustSubName is used for Rust-specific | 
|  | // subnaming which shouldn't be visible to CC modules (such as the rlib stdlinkage subname). This should be | 
|  | // appended before SubName. | 
|  | RustSubName string `blueprint:"mutated"` | 
|  |  | 
|  | // Set by imageMutator | 
|  | CoreVariantNeeded          bool     `blueprint:"mutated"` | 
|  | VendorRamdiskVariantNeeded bool     `blueprint:"mutated"` | 
|  | RamdiskVariantNeeded       bool     `blueprint:"mutated"` | 
|  | RecoveryVariantNeeded      bool     `blueprint:"mutated"` | 
|  | ExtraVariants              []string `blueprint:"mutated"` | 
|  |  | 
|  | // Allows this module to use non-APEX version of libraries. Useful | 
|  | // for building binaries that are started before APEXes are activated. | 
|  | Bootstrap *bool | 
|  |  | 
|  | // Used by vendor snapshot to record dependencies from snapshot modules. | 
|  | SnapshotSharedLibs []string `blueprint:"mutated"` | 
|  | SnapshotStaticLibs []string `blueprint:"mutated"` | 
|  | SnapshotRlibs      []string `blueprint:"mutated"` | 
|  | SnapshotDylibs     []string `blueprint:"mutated"` | 
|  |  | 
|  | // Make this module available when building for ramdisk. | 
|  | // On device without a dedicated recovery partition, the module is only | 
|  | // available after switching root into | 
|  | // /first_stage_ramdisk. To expose the module before switching root, install | 
|  | // the recovery variant instead. | 
|  | Ramdisk_available *bool | 
|  |  | 
|  | // Make this module available when building for vendor ramdisk. | 
|  | // On device without a dedicated recovery partition, the module is only | 
|  | // available after switching root into | 
|  | // /first_stage_ramdisk. To expose the module before switching root, install | 
|  | // the recovery variant instead | 
|  | Vendor_ramdisk_available *bool | 
|  |  | 
|  | // Normally Soong uses the directory structure to decide which modules | 
|  | // should be included (framework) or excluded (non-framework) from the | 
|  | // different snapshots (vendor, recovery, etc.), but this property | 
|  | // allows a partner to exclude a module normally thought of as a | 
|  | // framework module from the vendor snapshot. | 
|  | Exclude_from_vendor_snapshot *bool | 
|  |  | 
|  | // Normally Soong uses the directory structure to decide which modules | 
|  | // should be included (framework) or excluded (non-framework) from the | 
|  | // different snapshots (vendor, recovery, etc.), but this property | 
|  | // allows a partner to exclude a module normally thought of as a | 
|  | // framework module from the recovery snapshot. | 
|  | Exclude_from_recovery_snapshot *bool | 
|  |  | 
|  | // Make this module available when building for recovery | 
|  | Recovery_available *bool | 
|  |  | 
|  | // Minimum sdk version that the artifact should support when it runs as part of mainline modules(APEX). | 
|  | Min_sdk_version *string | 
|  |  | 
|  | HideFromMake   bool `blueprint:"mutated"` | 
|  | PreventInstall bool `blueprint:"mutated"` | 
|  |  | 
|  | Installable *bool | 
|  | } | 
|  |  | 
|  | type Module struct { | 
|  | fuzz.FuzzModule | 
|  |  | 
|  | VendorProperties cc.VendorProperties | 
|  |  | 
|  | Properties BaseProperties | 
|  |  | 
|  | hod        android.HostOrDeviceSupported | 
|  | multilib   android.Multilib | 
|  | testModule bool | 
|  |  | 
|  | makeLinkType string | 
|  |  | 
|  | afdo             *afdo | 
|  | compiler         compiler | 
|  | coverage         *coverage | 
|  | clippy           *clippy | 
|  | sanitize         *sanitize | 
|  | cachedToolchain  config.Toolchain | 
|  | sourceProvider   SourceProvider | 
|  | subAndroidMkOnce map[SubAndroidMkProvider]bool | 
|  |  | 
|  | // Output file to be installed, may be stripped or unstripped. | 
|  | outputFile android.OptionalPath | 
|  |  | 
|  | // Cross-reference input file | 
|  | kytheFiles android.Paths | 
|  |  | 
|  | docTimestampFile android.OptionalPath | 
|  |  | 
|  | hideApexVariantFromMake bool | 
|  |  | 
|  | // For apex variants, this is set as apex.min_sdk_version | 
|  | apexSdkVersion android.ApiLevel | 
|  |  | 
|  | transitiveAndroidMkSharedLibs *android.DepSet[string] | 
|  |  | 
|  | android.BazelModuleBase | 
|  | } | 
|  |  | 
|  | func (mod *Module) Header() bool { | 
|  | //TODO: If Rust libraries provide header variants, this needs to be updated. | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) SetPreventInstall() { | 
|  | mod.Properties.PreventInstall = true | 
|  | } | 
|  |  | 
|  | func (mod *Module) SetHideFromMake() { | 
|  | mod.Properties.HideFromMake = true | 
|  | } | 
|  |  | 
|  | func (mod *Module) HiddenFromMake() bool { | 
|  | return mod.Properties.HideFromMake | 
|  | } | 
|  |  | 
|  | func (mod *Module) SanitizePropDefined() bool { | 
|  | // Because compiler is not set for some Rust modules where sanitize might be set, check that compiler is also not | 
|  | // nil since we need compiler to actually sanitize. | 
|  | return mod.sanitize != nil && mod.compiler != nil | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsPrebuilt() bool { | 
|  | if _, ok := mod.compiler.(*prebuiltLibraryDecorator); ok { | 
|  | return true | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) OutputFiles(tag string) (android.Paths, error) { | 
|  | switch tag { | 
|  | case "": | 
|  | if mod.sourceProvider != nil && (mod.compiler == nil || mod.compiler.Disabled()) { | 
|  | return mod.sourceProvider.Srcs(), nil | 
|  | } else { | 
|  | if mod.OutputFile().Valid() { | 
|  | return android.Paths{mod.OutputFile().Path()}, nil | 
|  | } | 
|  | return android.Paths{}, nil | 
|  | } | 
|  | case "unstripped": | 
|  | if mod.compiler != nil { | 
|  | return android.PathsIfNonNil(mod.compiler.unstrippedOutputFilePath()), nil | 
|  | } | 
|  | return nil, nil | 
|  | default: | 
|  | return nil, fmt.Errorf("unsupported module reference tag %q", tag) | 
|  | } | 
|  | } | 
|  |  | 
|  | func (mod *Module) SelectedStl() string { | 
|  | return "" | 
|  | } | 
|  |  | 
|  | func (mod *Module) NonCcVariants() bool { | 
|  | if mod.compiler != nil { | 
|  | if _, ok := mod.compiler.(libraryInterface); ok { | 
|  | return false | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("NonCcVariants called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) Static() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | return library.static() | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) Shared() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | return library.shared() | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) Dylib() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | return library.dylib() | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) Source() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok && mod.sourceProvider != nil { | 
|  | return library.source() | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) RlibStd() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok && library.rlib() { | 
|  | return library.rlibStd() | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("RlibStd() called on non-rlib module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) Rlib() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | return library.rlib() | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) Binary() bool { | 
|  | if binary, ok := mod.compiler.(binaryInterface); ok { | 
|  | return binary.binary() | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) StaticExecutable() bool { | 
|  | if !mod.Binary() { | 
|  | return false | 
|  | } | 
|  | return mod.StaticallyLinked() | 
|  | } | 
|  |  | 
|  | func (mod *Module) Object() bool { | 
|  | // Rust has no modules which produce only object files. | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) Toc() android.OptionalPath { | 
|  | if mod.compiler != nil { | 
|  | if lib, ok := mod.compiler.(libraryInterface); ok { | 
|  | return lib.toc() | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("Toc() called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) UseSdk() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) RelativeInstallPath() string { | 
|  | if mod.compiler != nil { | 
|  | return mod.compiler.relativeInstallPath() | 
|  | } | 
|  | return "" | 
|  | } | 
|  |  | 
|  | func (mod *Module) UseVndk() bool { | 
|  | return mod.Properties.VndkVersion != "" | 
|  | } | 
|  |  | 
|  | func (mod *Module) Bootstrap() bool { | 
|  | return Bool(mod.Properties.Bootstrap) | 
|  | } | 
|  |  | 
|  | func (mod *Module) MustUseVendorVariant() bool { | 
|  | return true | 
|  | } | 
|  |  | 
|  | func (mod *Module) SubName() string { | 
|  | return mod.Properties.SubName | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsVndk() bool { | 
|  | // TODO(b/165791368) | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsVndkExt() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsVndkSp() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsVndkPrebuiltLibrary() bool { | 
|  | // Rust modules do not provide VNDK prebuilts | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsVendorPublicLibrary() bool { | 
|  | return mod.VendorProperties.IsVendorPublicLibrary | 
|  | } | 
|  |  | 
|  | func (mod *Module) SdkAndPlatformVariantVisibleToMake() bool { | 
|  | // Rust modules to not provide Sdk variants | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (c *Module) IsVndkPrivate() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (c *Module) IsLlndk() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (c *Module) IsLlndkPublic() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) KernelHeadersDecorator() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (m *Module) NeedsLlndkVariants() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (m *Module) NeedsVendorPublicLibraryVariants() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) HasLlndkStubs() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) StubsVersion() string { | 
|  | panic(fmt.Errorf("StubsVersion called on non-versioned module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) SdkVersion() string { | 
|  | return "" | 
|  | } | 
|  |  | 
|  | func (mod *Module) AlwaysSdk() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsSdkVariant() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) SplitPerApiLevel() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) XrefRustFiles() android.Paths { | 
|  | return mod.kytheFiles | 
|  | } | 
|  |  | 
|  | type Deps struct { | 
|  | Dylibs          []string | 
|  | Rlibs           []string | 
|  | Rustlibs        []string | 
|  | Stdlibs         []string | 
|  | ProcMacros      []string | 
|  | SharedLibs      []string | 
|  | StaticLibs      []string | 
|  | WholeStaticLibs []string | 
|  | HeaderLibs      []string | 
|  |  | 
|  | // Used for data dependencies adjacent to tests | 
|  | DataLibs []string | 
|  | DataBins []string | 
|  |  | 
|  | CrtBegin, CrtEnd []string | 
|  | } | 
|  |  | 
|  | type PathDeps struct { | 
|  | DyLibs        RustLibraries | 
|  | RLibs         RustLibraries | 
|  | SharedLibs    android.Paths | 
|  | SharedLibDeps android.Paths | 
|  | StaticLibs    android.Paths | 
|  | ProcMacros    RustLibraries | 
|  | AfdoProfiles  android.Paths | 
|  |  | 
|  | // depFlags and depLinkFlags are rustc and linker (clang) flags. | 
|  | depFlags     []string | 
|  | depLinkFlags []string | 
|  |  | 
|  | // linkDirs are link paths passed via -L to rustc. linkObjects are objects passed directly to the linker. | 
|  | // Both of these are exported and propagate to dependencies. | 
|  | linkDirs    []string | 
|  | linkObjects []string | 
|  |  | 
|  | // Used by bindgen modules which call clang | 
|  | depClangFlags         []string | 
|  | depIncludePaths       android.Paths | 
|  | depGeneratedHeaders   android.Paths | 
|  | depSystemIncludePaths android.Paths | 
|  |  | 
|  | CrtBegin android.Paths | 
|  | CrtEnd   android.Paths | 
|  |  | 
|  | // Paths to generated source files | 
|  | SrcDeps          android.Paths | 
|  | srcProviderFiles android.Paths | 
|  | } | 
|  |  | 
|  | type RustLibraries []RustLibrary | 
|  |  | 
|  | type RustLibrary struct { | 
|  | Path      android.Path | 
|  | CrateName string | 
|  | } | 
|  |  | 
|  | type exportedFlagsProducer interface { | 
|  | exportLinkDirs(...string) | 
|  | exportLinkObjects(...string) | 
|  | } | 
|  |  | 
|  | type xref interface { | 
|  | XrefRustFiles() android.Paths | 
|  | } | 
|  |  | 
|  | type flagExporter struct { | 
|  | linkDirs    []string | 
|  | linkObjects []string | 
|  | } | 
|  |  | 
|  | func (flagExporter *flagExporter) exportLinkDirs(dirs ...string) { | 
|  | flagExporter.linkDirs = android.FirstUniqueStrings(append(flagExporter.linkDirs, dirs...)) | 
|  | } | 
|  |  | 
|  | func (flagExporter *flagExporter) exportLinkObjects(flags ...string) { | 
|  | flagExporter.linkObjects = android.FirstUniqueStrings(append(flagExporter.linkObjects, flags...)) | 
|  | } | 
|  |  | 
|  | func (flagExporter *flagExporter) setProvider(ctx ModuleContext) { | 
|  | ctx.SetProvider(FlagExporterInfoProvider, FlagExporterInfo{ | 
|  | LinkDirs:    flagExporter.linkDirs, | 
|  | LinkObjects: flagExporter.linkObjects, | 
|  | }) | 
|  | } | 
|  |  | 
|  | var _ exportedFlagsProducer = (*flagExporter)(nil) | 
|  |  | 
|  | func NewFlagExporter() *flagExporter { | 
|  | return &flagExporter{} | 
|  | } | 
|  |  | 
|  | type FlagExporterInfo struct { | 
|  | Flags       []string | 
|  | LinkDirs    []string // TODO: this should be android.Paths | 
|  | LinkObjects []string // TODO: this should be android.Paths | 
|  | } | 
|  |  | 
|  | var FlagExporterInfoProvider = blueprint.NewProvider(FlagExporterInfo{}) | 
|  |  | 
|  | func (mod *Module) isCoverageVariant() bool { | 
|  | return mod.coverage.Properties.IsCoverageVariant | 
|  | } | 
|  |  | 
|  | var _ cc.Coverage = (*Module)(nil) | 
|  |  | 
|  | func (mod *Module) IsNativeCoverageNeeded(ctx android.BaseModuleContext) bool { | 
|  | return mod.coverage != nil && mod.coverage.Properties.NeedCoverageVariant | 
|  | } | 
|  |  | 
|  | func (mod *Module) VndkVersion() string { | 
|  | return mod.Properties.VndkVersion | 
|  | } | 
|  |  | 
|  | func (mod *Module) PreventInstall() bool { | 
|  | return mod.Properties.PreventInstall | 
|  | } | 
|  |  | 
|  | func (mod *Module) MarkAsCoverageVariant(coverage bool) { | 
|  | mod.coverage.Properties.IsCoverageVariant = coverage | 
|  | } | 
|  |  | 
|  | func (mod *Module) EnableCoverageIfNeeded() { | 
|  | mod.coverage.Properties.CoverageEnabled = mod.coverage.Properties.NeedCoverageBuild | 
|  | } | 
|  |  | 
|  | func defaultsFactory() android.Module { | 
|  | return DefaultsFactory() | 
|  | } | 
|  |  | 
|  | type Defaults struct { | 
|  | android.ModuleBase | 
|  | android.DefaultsModuleBase | 
|  | } | 
|  |  | 
|  | func DefaultsFactory(props ...interface{}) android.Module { | 
|  | module := &Defaults{} | 
|  |  | 
|  | module.AddProperties(props...) | 
|  | module.AddProperties( | 
|  | &BaseProperties{}, | 
|  | &cc.AfdoProperties{}, | 
|  | &cc.VendorProperties{}, | 
|  | &BenchmarkProperties{}, | 
|  | &BindgenProperties{}, | 
|  | &BaseCompilerProperties{}, | 
|  | &BinaryCompilerProperties{}, | 
|  | &LibraryCompilerProperties{}, | 
|  | &ProcMacroCompilerProperties{}, | 
|  | &PrebuiltProperties{}, | 
|  | &SourceProviderProperties{}, | 
|  | &TestProperties{}, | 
|  | &cc.CoverageProperties{}, | 
|  | &cc.RustBindgenClangProperties{}, | 
|  | &ClippyProperties{}, | 
|  | &SanitizeProperties{}, | 
|  | &fuzz.FuzzProperties{}, | 
|  | ) | 
|  |  | 
|  | android.InitDefaultsModule(module) | 
|  | return module | 
|  | } | 
|  |  | 
|  | func (mod *Module) CrateName() string { | 
|  | return mod.compiler.crateName() | 
|  | } | 
|  |  | 
|  | func (mod *Module) CcLibrary() bool { | 
|  | if mod.compiler != nil { | 
|  | if _, ok := mod.compiler.(libraryInterface); ok { | 
|  | return true | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) CcLibraryInterface() bool { | 
|  | if mod.compiler != nil { | 
|  | // use build{Static,Shared}() instead of {static,shared}() here because this might be called before | 
|  | // VariantIs{Static,Shared} is set. | 
|  | if lib, ok := mod.compiler.(libraryInterface); ok && (lib.buildShared() || lib.buildStatic()) { | 
|  | return true | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) RustLibraryInterface() bool { | 
|  | if mod.compiler != nil { | 
|  | if _, ok := mod.compiler.(libraryInterface); ok { | 
|  | return true | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsFuzzModule() bool { | 
|  | if _, ok := mod.compiler.(*fuzzDecorator); ok { | 
|  | return true | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) FuzzModuleStruct() fuzz.FuzzModule { | 
|  | return mod.FuzzModule | 
|  | } | 
|  |  | 
|  | func (mod *Module) FuzzPackagedModule() fuzz.FuzzPackagedModule { | 
|  | if fuzzer, ok := mod.compiler.(*fuzzDecorator); ok { | 
|  | return fuzzer.fuzzPackagedModule | 
|  | } | 
|  | panic(fmt.Errorf("FuzzPackagedModule called on non-fuzz module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) FuzzSharedLibraries() android.RuleBuilderInstalls { | 
|  | if fuzzer, ok := mod.compiler.(*fuzzDecorator); ok { | 
|  | return fuzzer.sharedLibraries | 
|  | } | 
|  | panic(fmt.Errorf("FuzzSharedLibraries called on non-fuzz module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) UnstrippedOutputFile() android.Path { | 
|  | if mod.compiler != nil { | 
|  | return mod.compiler.unstrippedOutputFilePath() | 
|  | } | 
|  | return nil | 
|  | } | 
|  |  | 
|  | func (mod *Module) IncludeDirs() android.Paths { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(*libraryDecorator); ok { | 
|  | return library.includeDirs | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("IncludeDirs called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) SetStatic() { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | library.setStatic() | 
|  | return | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("SetStatic called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) SetShared() { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | library.setShared() | 
|  | return | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("SetShared called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) BuildStaticVariant() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | return library.buildStatic() | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("BuildStaticVariant called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) BuildSharedVariant() bool { | 
|  | if mod.compiler != nil { | 
|  | if library, ok := mod.compiler.(libraryInterface); ok { | 
|  | return library.buildShared() | 
|  | } | 
|  | } | 
|  | panic(fmt.Errorf("BuildSharedVariant called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | func (mod *Module) Module() android.Module { | 
|  | return mod | 
|  | } | 
|  |  | 
|  | func (mod *Module) OutputFile() android.OptionalPath { | 
|  | return mod.outputFile | 
|  | } | 
|  |  | 
|  | func (mod *Module) CoverageFiles() android.Paths { | 
|  | if mod.compiler != nil { | 
|  | return android.Paths{} | 
|  | } | 
|  | panic(fmt.Errorf("CoverageFiles called on non-library module: %q", mod.BaseModuleName())) | 
|  | } | 
|  |  | 
|  | // Rust does not produce gcno files, and therefore does not produce a coverage archive. | 
|  | func (mod *Module) CoverageOutputFile() android.OptionalPath { | 
|  | return android.OptionalPath{} | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsNdk(config android.Config) bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) IsStubs() bool { | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) installable(apexInfo android.ApexInfo) bool { | 
|  | if !proptools.BoolDefault(mod.Installable(), mod.EverInstallable()) { | 
|  | return false | 
|  | } | 
|  |  | 
|  | // The apex variant is not installable because it is included in the APEX and won't appear | 
|  | // in the system partition as a standalone file. | 
|  | if !apexInfo.IsForPlatform() { | 
|  | return false | 
|  | } | 
|  |  | 
|  | return mod.OutputFile().Valid() && !mod.Properties.PreventInstall | 
|  | } | 
|  |  | 
|  | func (ctx moduleContext) apexVariationName() string { | 
|  | return ctx.Provider(android.ApexInfoProvider).(android.ApexInfo).ApexVariationName | 
|  | } | 
|  |  | 
|  | var _ cc.LinkableInterface = (*Module)(nil) | 
|  |  | 
|  | func (mod *Module) Init() android.Module { | 
|  | mod.AddProperties(&mod.Properties) | 
|  | mod.AddProperties(&mod.VendorProperties) | 
|  |  | 
|  | if mod.afdo != nil { | 
|  | mod.AddProperties(mod.afdo.props()...) | 
|  | } | 
|  | if mod.compiler != nil { | 
|  | mod.AddProperties(mod.compiler.compilerProps()...) | 
|  | } | 
|  | if mod.coverage != nil { | 
|  | mod.AddProperties(mod.coverage.props()...) | 
|  | } | 
|  | if mod.clippy != nil { | 
|  | mod.AddProperties(mod.clippy.props()...) | 
|  | } | 
|  | if mod.sourceProvider != nil { | 
|  | mod.AddProperties(mod.sourceProvider.SourceProviderProps()...) | 
|  | } | 
|  | if mod.sanitize != nil { | 
|  | mod.AddProperties(mod.sanitize.props()...) | 
|  | } | 
|  |  | 
|  | android.InitAndroidArchModule(mod, mod.hod, mod.multilib) | 
|  | android.InitApexModule(mod) | 
|  |  | 
|  | android.InitDefaultableModule(mod) | 
|  | return mod | 
|  | } | 
|  |  | 
|  | func newBaseModule(hod android.HostOrDeviceSupported, multilib android.Multilib) *Module { | 
|  | return &Module{ | 
|  | hod:      hod, | 
|  | multilib: multilib, | 
|  | } | 
|  | } | 
|  | func newModule(hod android.HostOrDeviceSupported, multilib android.Multilib) *Module { | 
|  | module := newBaseModule(hod, multilib) | 
|  | module.afdo = &afdo{} | 
|  | module.coverage = &coverage{} | 
|  | module.clippy = &clippy{} | 
|  | module.sanitize = &sanitize{} | 
|  | return module | 
|  | } | 
|  |  | 
|  | type ModuleContext interface { | 
|  | android.ModuleContext | 
|  | ModuleContextIntf | 
|  | } | 
|  |  | 
|  | type BaseModuleContext interface { | 
|  | android.BaseModuleContext | 
|  | ModuleContextIntf | 
|  | } | 
|  |  | 
|  | type DepsContext interface { | 
|  | android.BottomUpMutatorContext | 
|  | ModuleContextIntf | 
|  | } | 
|  |  | 
|  | type ModuleContextIntf interface { | 
|  | RustModule() *Module | 
|  | toolchain() config.Toolchain | 
|  | } | 
|  |  | 
|  | type depsContext struct { | 
|  | android.BottomUpMutatorContext | 
|  | } | 
|  |  | 
|  | type moduleContext struct { | 
|  | android.ModuleContext | 
|  | } | 
|  |  | 
|  | type baseModuleContext struct { | 
|  | android.BaseModuleContext | 
|  | } | 
|  |  | 
|  | func (ctx *moduleContext) RustModule() *Module { | 
|  | return ctx.Module().(*Module) | 
|  | } | 
|  |  | 
|  | func (ctx *moduleContext) toolchain() config.Toolchain { | 
|  | return ctx.RustModule().toolchain(ctx) | 
|  | } | 
|  |  | 
|  | func (ctx *depsContext) RustModule() *Module { | 
|  | return ctx.Module().(*Module) | 
|  | } | 
|  |  | 
|  | func (ctx *depsContext) toolchain() config.Toolchain { | 
|  | return ctx.RustModule().toolchain(ctx) | 
|  | } | 
|  |  | 
|  | func (ctx *baseModuleContext) RustModule() *Module { | 
|  | return ctx.Module().(*Module) | 
|  | } | 
|  |  | 
|  | func (ctx *baseModuleContext) toolchain() config.Toolchain { | 
|  | return ctx.RustModule().toolchain(ctx) | 
|  | } | 
|  |  | 
|  | func (mod *Module) nativeCoverage() bool { | 
|  | // Bug: http://b/137883967 - native-bridge modules do not currently work with coverage | 
|  | if mod.Target().NativeBridge == android.NativeBridgeEnabled { | 
|  | return false | 
|  | } | 
|  | return mod.compiler != nil && mod.compiler.nativeCoverage() | 
|  | } | 
|  |  | 
|  | func (mod *Module) EverInstallable() bool { | 
|  | return mod.compiler != nil && | 
|  | // Check to see whether the module is actually ever installable. | 
|  | mod.compiler.everInstallable() | 
|  | } | 
|  |  | 
|  | func (mod *Module) Installable() *bool { | 
|  | return mod.Properties.Installable | 
|  | } | 
|  |  | 
|  | func (mod *Module) ProcMacro() bool { | 
|  | if pm, ok := mod.compiler.(procMacroInterface); ok { | 
|  | return pm.ProcMacro() | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | func (mod *Module) toolchain(ctx android.BaseModuleContext) config.Toolchain { | 
|  | if mod.cachedToolchain == nil { | 
|  | mod.cachedToolchain = config.FindToolchain(ctx.Os(), ctx.Arch()) | 
|  | } | 
|  | return mod.cachedToolchain | 
|  | } | 
|  |  | 
|  | func (mod *Module) ccToolchain(ctx android.BaseModuleContext) cc_config.Toolchain { | 
|  | return cc_config.FindToolchain(ctx.Os(), ctx.Arch()) | 
|  | } | 
|  |  | 
|  | func (d *Defaults) GenerateAndroidBuildActions(ctx android.ModuleContext) { | 
|  | } | 
|  |  | 
|  | func (mod *Module) GenerateAndroidBuildActions(actx android.ModuleContext) { | 
|  | ctx := &moduleContext{ | 
|  | ModuleContext: actx, | 
|  | } | 
|  |  | 
|  | apexInfo := actx.Provider(android.ApexInfoProvider).(android.ApexInfo) | 
|  | if !apexInfo.IsForPlatform() { | 
|  | mod.hideApexVariantFromMake = true | 
|  | } | 
|  |  | 
|  | toolchain := mod.toolchain(ctx) | 
|  | mod.makeLinkType = cc.GetMakeLinkType(actx, mod) | 
|  |  | 
|  | mod.Properties.SubName = cc.GetSubnameProperty(actx, mod) | 
|  |  | 
|  | if !toolchain.Supported() { | 
|  | // This toolchain's unsupported, there's nothing to do for this mod. | 
|  | return | 
|  | } | 
|  |  | 
|  | deps := mod.depsToPaths(ctx) | 
|  | flags := Flags{ | 
|  | Toolchain: toolchain, | 
|  | } | 
|  |  | 
|  | // Calculate rustc flags | 
|  | if mod.afdo != nil { | 
|  | flags, deps = mod.afdo.flags(actx, flags, deps) | 
|  | } | 
|  | if mod.compiler != nil { | 
|  | flags = mod.compiler.compilerFlags(ctx, flags) | 
|  | flags = mod.compiler.cfgFlags(ctx, flags) | 
|  | flags = mod.compiler.featureFlags(ctx, flags) | 
|  | } | 
|  | if mod.coverage != nil { | 
|  | flags, deps = mod.coverage.flags(ctx, flags, deps) | 
|  | } | 
|  | if mod.clippy != nil { | 
|  | flags, deps = mod.clippy.flags(ctx, flags, deps) | 
|  | } | 
|  | if mod.sanitize != nil { | 
|  | flags, deps = mod.sanitize.flags(ctx, flags, deps) | 
|  | } | 
|  |  | 
|  | // SourceProvider needs to call GenerateSource() before compiler calls | 
|  | // compile() so it can provide the source. A SourceProvider has | 
|  | // multiple variants (e.g. source, rlib, dylib). Only the "source" | 
|  | // variant is responsible for effectively generating the source. The | 
|  | // remaining variants relies on the "source" variant output. | 
|  | if mod.sourceProvider != nil { | 
|  | if mod.compiler.(libraryInterface).source() { | 
|  | mod.sourceProvider.GenerateSource(ctx, deps) | 
|  | mod.sourceProvider.setSubName(ctx.ModuleSubDir()) | 
|  | } else { | 
|  | sourceMod := actx.GetDirectDepWithTag(mod.Name(), sourceDepTag) | 
|  | sourceLib := sourceMod.(*Module).compiler.(*libraryDecorator) | 
|  | mod.sourceProvider.setOutputFiles(sourceLib.sourceProvider.Srcs()) | 
|  | } | 
|  | } | 
|  |  | 
|  | if mod.compiler != nil && !mod.compiler.Disabled() { | 
|  | mod.compiler.initialize(ctx) | 
|  | buildOutput := mod.compiler.compile(ctx, flags, deps) | 
|  | if ctx.Failed() { | 
|  | return | 
|  | } | 
|  | mod.outputFile = android.OptionalPathForPath(buildOutput.outputFile) | 
|  | if buildOutput.kytheFile != nil { | 
|  | mod.kytheFiles = append(mod.kytheFiles, buildOutput.kytheFile) | 
|  | } | 
|  | bloaty.MeasureSizeForPaths(ctx, mod.compiler.strippedOutputFilePath(), android.OptionalPathForPath(mod.compiler.unstrippedOutputFilePath())) | 
|  |  | 
|  | mod.docTimestampFile = mod.compiler.rustdoc(ctx, flags, deps) | 
|  | if mod.docTimestampFile.Valid() { | 
|  | ctx.CheckbuildFile(mod.docTimestampFile.Path()) | 
|  | } | 
|  |  | 
|  | // glob exported headers for snapshot, if BOARD_VNDK_VERSION is current or | 
|  | // RECOVERY_SNAPSHOT_VERSION is current. | 
|  | if lib, ok := mod.compiler.(snapshotLibraryInterface); ok { | 
|  | if cc.ShouldCollectHeadersForSnapshot(ctx, mod, apexInfo) { | 
|  | lib.collectHeadersForSnapshot(ctx, deps) | 
|  | } | 
|  | } | 
|  |  | 
|  | apexInfo := actx.Provider(android.ApexInfoProvider).(android.ApexInfo) | 
|  | if !proptools.BoolDefault(mod.Installable(), mod.EverInstallable()) && !mod.ProcMacro() { | 
|  | // If the module has been specifically configure to not be installed then | 
|  | // hide from make as otherwise it will break when running inside make as the | 
|  | // output path to install will not be specified. Not all uninstallable | 
|  | // modules can be hidden from make as some are needed for resolving make | 
|  | // side dependencies. In particular, proc-macros need to be captured in the | 
|  | // host snapshot. | 
|  | mod.HideFromMake() | 
|  | } else if !mod.installable(apexInfo) { | 
|  | mod.SkipInstall() | 
|  | } | 
|  |  | 
|  | // Still call install though, the installs will be stored as PackageSpecs to allow | 
|  | // using the outputs in a genrule. | 
|  | if mod.OutputFile().Valid() { | 
|  | mod.compiler.install(ctx) | 
|  | if ctx.Failed() { | 
|  | return | 
|  | } | 
|  | } | 
|  |  | 
|  | ctx.Phony("rust", ctx.RustModule().OutputFile().Path()) | 
|  | } | 
|  | if mod.testModule { | 
|  | ctx.SetProvider(testing.TestModuleProviderKey, testing.TestModuleProviderData{}) | 
|  | } | 
|  | } | 
|  |  | 
|  | func (mod *Module) deps(ctx DepsContext) Deps { | 
|  | deps := Deps{} | 
|  |  | 
|  | if mod.compiler != nil { | 
|  | deps = mod.compiler.compilerDeps(ctx, deps) | 
|  | } | 
|  | if mod.sourceProvider != nil { | 
|  | deps = mod.sourceProvider.SourceProviderDeps(ctx, deps) | 
|  | } | 
|  |  | 
|  | if mod.coverage != nil { | 
|  | deps = mod.coverage.deps(ctx, deps) | 
|  | } | 
|  |  | 
|  | if mod.sanitize != nil { | 
|  | deps = mod.sanitize.deps(ctx, deps) | 
|  | } | 
|  |  | 
|  | deps.Rlibs = android.LastUniqueStrings(deps.Rlibs) | 
|  | deps.Dylibs = android.LastUniqueStrings(deps.Dylibs) | 
|  | deps.Rustlibs = android.LastUniqueStrings(deps.Rustlibs) | 
|  | deps.ProcMacros = android.LastUniqueStrings(deps.ProcMacros) | 
|  | deps.SharedLibs = android.LastUniqueStrings(deps.SharedLibs) | 
|  | deps.StaticLibs = android.LastUniqueStrings(deps.StaticLibs) | 
|  | deps.Stdlibs = android.LastUniqueStrings(deps.Stdlibs) | 
|  | deps.WholeStaticLibs = android.LastUniqueStrings(deps.WholeStaticLibs) | 
|  | return deps | 
|  |  | 
|  | } | 
|  |  | 
|  | type dependencyTag struct { | 
|  | blueprint.BaseDependencyTag | 
|  | name      string | 
|  | library   bool | 
|  | procMacro bool | 
|  | dynamic   bool | 
|  | } | 
|  |  | 
|  | // InstallDepNeeded returns true for rlibs, dylibs, and proc macros so that they or their transitive | 
|  | // dependencies (especially C/C++ shared libs) are installed as dependencies of a rust binary. | 
|  | func (d dependencyTag) InstallDepNeeded() bool { | 
|  | return d.library || d.procMacro | 
|  | } | 
|  |  | 
|  | var _ android.InstallNeededDependencyTag = dependencyTag{} | 
|  |  | 
|  | func (d dependencyTag) LicenseAnnotations() []android.LicenseAnnotation { | 
|  | if d.library && d.dynamic { | 
|  | return []android.LicenseAnnotation{android.LicenseAnnotationSharedDependency} | 
|  | } | 
|  | return nil | 
|  | } | 
|  |  | 
|  | var _ android.LicenseAnnotationsDependencyTag = dependencyTag{} | 
|  |  | 
|  | var ( | 
|  | customBindgenDepTag = dependencyTag{name: "customBindgenTag"} | 
|  | rlibDepTag          = dependencyTag{name: "rlibTag", library: true} | 
|  | dylibDepTag         = dependencyTag{name: "dylib", library: true, dynamic: true} | 
|  | procMacroDepTag     = dependencyTag{name: "procMacro", procMacro: true} | 
|  | testPerSrcDepTag    = dependencyTag{name: "rust_unit_tests"} | 
|  | sourceDepTag        = dependencyTag{name: "source"} | 
|  | dataLibDepTag       = dependencyTag{name: "data lib"} | 
|  | dataBinDepTag       = dependencyTag{name: "data bin"} | 
|  | ) | 
|  |  | 
|  | func IsDylibDepTag(depTag blueprint.DependencyTag) bool { | 
|  | tag, ok := depTag.(dependencyTag) | 
|  | return ok && tag == dylibDepTag | 
|  | } | 
|  |  | 
|  | func IsRlibDepTag(depTag blueprint.DependencyTag) bool { | 
|  | tag, ok := depTag.(dependencyTag) | 
|  | return ok && tag == rlibDepTag | 
|  | } | 
|  |  | 
|  | type autoDep struct { | 
|  | variation string | 
|  | depTag    dependencyTag | 
|  | } | 
|  |  | 
|  | var ( | 
|  | rlibVariation  = "rlib" | 
|  | dylibVariation = "dylib" | 
|  | rlibAutoDep    = autoDep{variation: rlibVariation, depTag: rlibDepTag} | 
|  | dylibAutoDep   = autoDep{variation: dylibVariation, depTag: dylibDepTag} | 
|  | ) | 
|  |  | 
|  | type autoDeppable interface { | 
|  | autoDep(ctx android.BottomUpMutatorContext) autoDep | 
|  | } | 
|  |  | 
|  | func (mod *Module) begin(ctx BaseModuleContext) { | 
|  | if mod.coverage != nil { | 
|  | mod.coverage.begin(ctx) | 
|  | } | 
|  | if mod.sanitize != nil { | 
|  | mod.sanitize.begin(ctx) | 
|  | } | 
|  | } | 
|  |  | 
|  | func (mod *Module) Prebuilt() *android.Prebuilt { | 
|  | if p, ok := mod.compiler.(rustPrebuilt); ok { | 
|  | return p.prebuilt() | 
|  | } | 
|  | return nil | 
|  | } | 
|  |  | 
|  | func rustMakeLibName(ctx android.ModuleContext, c cc.LinkableInterface, dep cc.LinkableInterface, depName string) string { | 
|  | if rustDep, ok := dep.(*Module); ok { | 
|  | // Use base module name for snapshots when exporting to Makefile. | 
|  | if snapshotPrebuilt, ok := rustDep.compiler.(cc.SnapshotInterface); ok { | 
|  | baseName := rustDep.BaseModuleName() | 
|  | return baseName + snapshotPrebuilt.SnapshotAndroidMkSuffix() + rustDep.AndroidMkSuffix() | 
|  | } | 
|  | } | 
|  | return cc.MakeLibName(ctx, c, dep, depName) | 
|  | } | 
|  |  | 
|  | func collectIncludedProtos(mod *Module, dep *Module) { | 
|  | if protoMod, ok := mod.sourceProvider.(*protobufDecorator); ok { | 
|  | if _, ok := dep.sourceProvider.(*protobufDecorator); ok { | 
|  | protoMod.additionalCrates = append(protoMod.additionalCrates, dep.CrateName()) | 
|  | } | 
|  | } | 
|  | } | 
|  | func (mod *Module) depsToPaths(ctx android.ModuleContext) PathDeps { | 
|  | var depPaths PathDeps | 
|  |  | 
|  | directRlibDeps := []*Module{} | 
|  | directDylibDeps := []*Module{} | 
|  | directProcMacroDeps := []*Module{} | 
|  | directSharedLibDeps := []cc.SharedLibraryInfo{} | 
|  | directStaticLibDeps := [](cc.LinkableInterface){} | 
|  | directSrcProvidersDeps := []*Module{} | 
|  | directSrcDeps := [](android.SourceFileProducer){} | 
|  |  | 
|  | // For the dependency from platform to apex, use the latest stubs | 
|  | mod.apexSdkVersion = android.FutureApiLevel | 
|  | apexInfo := ctx.Provider(android.ApexInfoProvider).(android.ApexInfo) | 
|  | if !apexInfo.IsForPlatform() { | 
|  | mod.apexSdkVersion = apexInfo.MinSdkVersion | 
|  | } | 
|  |  | 
|  | if android.InList("hwaddress", ctx.Config().SanitizeDevice()) { | 
|  | // In hwasan build, we override apexSdkVersion to the FutureApiLevel(10000) | 
|  | // so that even Q(29/Android10) apexes could use the dynamic unwinder by linking the newer stubs(e.g libc(R+)). | 
|  | // (b/144430859) | 
|  | mod.apexSdkVersion = android.FutureApiLevel | 
|  | } | 
|  |  | 
|  | skipModuleList := map[string]bool{} | 
|  |  | 
|  | var apiImportInfo multitree.ApiImportInfo | 
|  | hasApiImportInfo := false | 
|  |  | 
|  | ctx.VisitDirectDeps(func(dep android.Module) { | 
|  | if dep.Name() == "api_imports" { | 
|  | apiImportInfo = ctx.OtherModuleProvider(dep, multitree.ApiImportsProvider).(multitree.ApiImportInfo) | 
|  | hasApiImportInfo = true | 
|  | } | 
|  | }) | 
|  |  | 
|  | if hasApiImportInfo { | 
|  | targetStubModuleList := map[string]string{} | 
|  | targetOrigModuleList := map[string]string{} | 
|  |  | 
|  | // Search for dependency which both original module and API imported library with APEX stub exists | 
|  | ctx.VisitDirectDeps(func(dep android.Module) { | 
|  | depName := ctx.OtherModuleName(dep) | 
|  | if apiLibrary, ok := apiImportInfo.ApexSharedLibs[depName]; ok { | 
|  | targetStubModuleList[apiLibrary] = depName | 
|  | } | 
|  | }) | 
|  | ctx.VisitDirectDeps(func(dep android.Module) { | 
|  | depName := ctx.OtherModuleName(dep) | 
|  | if origLibrary, ok := targetStubModuleList[depName]; ok { | 
|  | targetOrigModuleList[origLibrary] = depName | 
|  | } | 
|  | }) | 
|  |  | 
|  | // Decide which library should be used between original and API imported library | 
|  | ctx.VisitDirectDeps(func(dep android.Module) { | 
|  | depName := ctx.OtherModuleName(dep) | 
|  | if apiLibrary, ok := targetOrigModuleList[depName]; ok { | 
|  | if cc.ShouldUseStubForApex(ctx, dep) { | 
|  | skipModuleList[depName] = true | 
|  | } else { | 
|  | skipModuleList[apiLibrary] = true | 
|  | } | 
|  | } | 
|  | }) | 
|  | } | 
|  |  | 
|  | var transitiveAndroidMkSharedLibs []*android.DepSet[string] | 
|  | var directAndroidMkSharedLibs []string | 
|  |  | 
|  | ctx.VisitDirectDeps(func(dep android.Module) { | 
|  | depName := ctx.OtherModuleName(dep) | 
|  | depTag := ctx.OtherModuleDependencyTag(dep) | 
|  |  | 
|  | if _, exists := skipModuleList[depName]; exists { | 
|  | return | 
|  | } | 
|  |  | 
|  | if depTag == android.DarwinUniversalVariantTag { | 
|  | return | 
|  | } | 
|  |  | 
|  | if rustDep, ok := dep.(*Module); ok && !rustDep.CcLibraryInterface() { | 
|  | //Handle Rust Modules | 
|  | makeLibName := rustMakeLibName(ctx, mod, rustDep, depName+rustDep.Properties.RustSubName) | 
|  |  | 
|  | switch depTag { | 
|  | case dylibDepTag: | 
|  | dylib, ok := rustDep.compiler.(libraryInterface) | 
|  | if !ok || !dylib.dylib() { | 
|  | ctx.ModuleErrorf("mod %q not an dylib library", depName) | 
|  | return | 
|  | } | 
|  | directDylibDeps = append(directDylibDeps, rustDep) | 
|  | mod.Properties.AndroidMkDylibs = append(mod.Properties.AndroidMkDylibs, makeLibName) | 
|  | mod.Properties.SnapshotDylibs = append(mod.Properties.SnapshotDylibs, cc.BaseLibName(depName)) | 
|  |  | 
|  | case rlibDepTag: | 
|  |  | 
|  | rlib, ok := rustDep.compiler.(libraryInterface) | 
|  | if !ok || !rlib.rlib() { | 
|  | ctx.ModuleErrorf("mod %q not an rlib library", makeLibName) | 
|  | return | 
|  | } | 
|  | directRlibDeps = append(directRlibDeps, rustDep) | 
|  | mod.Properties.AndroidMkRlibs = append(mod.Properties.AndroidMkRlibs, makeLibName) | 
|  | mod.Properties.SnapshotRlibs = append(mod.Properties.SnapshotRlibs, cc.BaseLibName(depName)) | 
|  |  | 
|  | case procMacroDepTag: | 
|  | directProcMacroDeps = append(directProcMacroDeps, rustDep) | 
|  | mod.Properties.AndroidMkProcMacroLibs = append(mod.Properties.AndroidMkProcMacroLibs, makeLibName) | 
|  |  | 
|  | case sourceDepTag: | 
|  | if _, ok := mod.sourceProvider.(*protobufDecorator); ok { | 
|  | collectIncludedProtos(mod, rustDep) | 
|  | } | 
|  | } | 
|  |  | 
|  | transitiveAndroidMkSharedLibs = append(transitiveAndroidMkSharedLibs, rustDep.transitiveAndroidMkSharedLibs) | 
|  |  | 
|  | if android.IsSourceDepTagWithOutputTag(depTag, "") { | 
|  | // Since these deps are added in path_properties.go via AddDependencies, we need to ensure the correct | 
|  | // OS/Arch variant is used. | 
|  | var helper string | 
|  | if ctx.Host() { | 
|  | helper = "missing 'host_supported'?" | 
|  | } else { | 
|  | helper = "device module defined?" | 
|  | } | 
|  |  | 
|  | if dep.Target().Os != ctx.Os() { | 
|  | ctx.ModuleErrorf("OS mismatch on dependency %q (%s)", dep.Name(), helper) | 
|  | return | 
|  | } else if dep.Target().Arch.ArchType != ctx.Arch().ArchType { | 
|  | ctx.ModuleErrorf("Arch mismatch on dependency %q (%s)", dep.Name(), helper) | 
|  | return | 
|  | } | 
|  | directSrcProvidersDeps = append(directSrcProvidersDeps, rustDep) | 
|  | } | 
|  |  | 
|  | //Append the dependencies exportedDirs, except for proc-macros which target a different arch/OS | 
|  | if depTag != procMacroDepTag { | 
|  | exportedInfo := ctx.OtherModuleProvider(dep, FlagExporterInfoProvider).(FlagExporterInfo) | 
|  | depPaths.linkDirs = append(depPaths.linkDirs, exportedInfo.LinkDirs...) | 
|  | depPaths.depFlags = append(depPaths.depFlags, exportedInfo.Flags...) | 
|  | depPaths.linkObjects = append(depPaths.linkObjects, exportedInfo.LinkObjects...) | 
|  | } | 
|  |  | 
|  | if depTag == dylibDepTag || depTag == rlibDepTag || depTag == procMacroDepTag { | 
|  | linkFile := rustDep.UnstrippedOutputFile() | 
|  | linkDir := linkPathFromFilePath(linkFile) | 
|  | if lib, ok := mod.compiler.(exportedFlagsProducer); ok { | 
|  | lib.exportLinkDirs(linkDir) | 
|  | } | 
|  | } | 
|  | if depTag == sourceDepTag { | 
|  | if _, ok := mod.sourceProvider.(*protobufDecorator); ok && mod.Source() { | 
|  | if _, ok := rustDep.sourceProvider.(*protobufDecorator); ok { | 
|  | exportedInfo := ctx.OtherModuleProvider(dep, cc.FlagExporterInfoProvider).(cc.FlagExporterInfo) | 
|  | depPaths.depIncludePaths = append(depPaths.depIncludePaths, exportedInfo.IncludeDirs...) | 
|  | } | 
|  | } | 
|  | } | 
|  | } else if ccDep, ok := dep.(cc.LinkableInterface); ok { | 
|  | //Handle C dependencies | 
|  | makeLibName := cc.MakeLibName(ctx, mod, ccDep, depName) | 
|  | if _, ok := ccDep.(*Module); !ok { | 
|  | if ccDep.Module().Target().Os != ctx.Os() { | 
|  | ctx.ModuleErrorf("OS mismatch between %q and %q", ctx.ModuleName(), depName) | 
|  | return | 
|  | } | 
|  | if ccDep.Module().Target().Arch.ArchType != ctx.Arch().ArchType { | 
|  | ctx.ModuleErrorf("Arch mismatch between %q and %q", ctx.ModuleName(), depName) | 
|  | return | 
|  | } | 
|  | } | 
|  | linkObject := ccDep.OutputFile() | 
|  | if !linkObject.Valid() { | 
|  | if !ctx.Config().AllowMissingDependencies() { | 
|  | ctx.ModuleErrorf("Invalid output file when adding dep %q to %q", depName, ctx.ModuleName()) | 
|  | } else { | 
|  | ctx.AddMissingDependencies([]string{depName}) | 
|  | } | 
|  | return | 
|  | } | 
|  |  | 
|  | linkPath := linkPathFromFilePath(linkObject.Path()) | 
|  |  | 
|  | exportDep := false | 
|  | switch { | 
|  | case cc.IsStaticDepTag(depTag): | 
|  | if cc.IsWholeStaticLib(depTag) { | 
|  | // rustc will bundle static libraries when they're passed with "-lstatic=<lib>". This will fail | 
|  | // if the library is not prefixed by "lib". | 
|  | if mod.Binary() { | 
|  | // Binaries may sometimes need to link whole static libraries that don't start with 'lib'. | 
|  | // Since binaries don't need to 'rebundle' these like libraries and only use these for the | 
|  | // final linkage, pass the args directly to the linker to handle these cases. | 
|  | depPaths.depLinkFlags = append(depPaths.depLinkFlags, []string{"-Wl,--whole-archive", linkObject.Path().String(), "-Wl,--no-whole-archive"}...) | 
|  | } else if libName, ok := libNameFromFilePath(linkObject.Path()); ok { | 
|  | depPaths.depFlags = append(depPaths.depFlags, "-lstatic="+libName) | 
|  | } else { | 
|  | ctx.ModuleErrorf("'%q' cannot be listed as a whole_static_library in Rust modules unless the output is prefixed by 'lib'", depName, ctx.ModuleName()) | 
|  | } | 
|  | } | 
|  |  | 
|  | // Add this to linkObjects to pass the library directly to the linker as well. This propagates | 
|  | // to dependencies to avoid having to redeclare static libraries for dependents of the dylib variant. | 
|  | depPaths.linkObjects = append(depPaths.linkObjects, linkObject.String()) | 
|  | depPaths.linkDirs = append(depPaths.linkDirs, linkPath) | 
|  |  | 
|  | exportedInfo := ctx.OtherModuleProvider(dep, cc.FlagExporterInfoProvider).(cc.FlagExporterInfo) | 
|  | depPaths.depIncludePaths = append(depPaths.depIncludePaths, exportedInfo.IncludeDirs...) | 
|  | depPaths.depSystemIncludePaths = append(depPaths.depSystemIncludePaths, exportedInfo.SystemIncludeDirs...) | 
|  | depPaths.depClangFlags = append(depPaths.depClangFlags, exportedInfo.Flags...) | 
|  | depPaths.depGeneratedHeaders = append(depPaths.depGeneratedHeaders, exportedInfo.GeneratedHeaders...) | 
|  | directStaticLibDeps = append(directStaticLibDeps, ccDep) | 
|  |  | 
|  | // Record baseLibName for snapshots. | 
|  | mod.Properties.SnapshotStaticLibs = append(mod.Properties.SnapshotStaticLibs, cc.BaseLibName(depName)) | 
|  |  | 
|  | mod.Properties.AndroidMkStaticLibs = append(mod.Properties.AndroidMkStaticLibs, makeLibName) | 
|  | case cc.IsSharedDepTag(depTag): | 
|  | // For the shared lib dependencies, we may link to the stub variant | 
|  | // of the dependency depending on the context (e.g. if this | 
|  | // dependency crosses the APEX boundaries). | 
|  | sharedLibraryInfo, exportedInfo := cc.ChooseStubOrImpl(ctx, dep) | 
|  |  | 
|  | // Re-get linkObject as ChooseStubOrImpl actually tells us which | 
|  | // object (either from stub or non-stub) to use. | 
|  | linkObject = android.OptionalPathForPath(sharedLibraryInfo.SharedLibrary) | 
|  | if !linkObject.Valid() { | 
|  | if !ctx.Config().AllowMissingDependencies() { | 
|  | ctx.ModuleErrorf("Invalid output file when adding dep %q to %q", depName, ctx.ModuleName()) | 
|  | } else { | 
|  | ctx.AddMissingDependencies([]string{depName}) | 
|  | } | 
|  | return | 
|  | } | 
|  | linkPath = linkPathFromFilePath(linkObject.Path()) | 
|  |  | 
|  | depPaths.linkDirs = append(depPaths.linkDirs, linkPath) | 
|  | depPaths.linkObjects = append(depPaths.linkObjects, linkObject.String()) | 
|  | depPaths.depIncludePaths = append(depPaths.depIncludePaths, exportedInfo.IncludeDirs...) | 
|  | depPaths.depSystemIncludePaths = append(depPaths.depSystemIncludePaths, exportedInfo.SystemIncludeDirs...) | 
|  | depPaths.depClangFlags = append(depPaths.depClangFlags, exportedInfo.Flags...) | 
|  | depPaths.depGeneratedHeaders = append(depPaths.depGeneratedHeaders, exportedInfo.GeneratedHeaders...) | 
|  | directSharedLibDeps = append(directSharedLibDeps, sharedLibraryInfo) | 
|  |  | 
|  | // Record baseLibName for snapshots. | 
|  | mod.Properties.SnapshotSharedLibs = append(mod.Properties.SnapshotSharedLibs, cc.BaseLibName(depName)) | 
|  |  | 
|  | directAndroidMkSharedLibs = append(directAndroidMkSharedLibs, makeLibName) | 
|  | exportDep = true | 
|  | case cc.IsHeaderDepTag(depTag): | 
|  | exportedInfo := ctx.OtherModuleProvider(dep, cc.FlagExporterInfoProvider).(cc.FlagExporterInfo) | 
|  | depPaths.depIncludePaths = append(depPaths.depIncludePaths, exportedInfo.IncludeDirs...) | 
|  | depPaths.depSystemIncludePaths = append(depPaths.depSystemIncludePaths, exportedInfo.SystemIncludeDirs...) | 
|  | depPaths.depGeneratedHeaders = append(depPaths.depGeneratedHeaders, exportedInfo.GeneratedHeaders...) | 
|  | case depTag == cc.CrtBeginDepTag: | 
|  | depPaths.CrtBegin = append(depPaths.CrtBegin, linkObject.Path()) | 
|  | case depTag == cc.CrtEndDepTag: | 
|  | depPaths.CrtEnd = append(depPaths.CrtEnd, linkObject.Path()) | 
|  | } | 
|  |  | 
|  | // Make sure these dependencies are propagated | 
|  | if lib, ok := mod.compiler.(exportedFlagsProducer); ok && exportDep { | 
|  | lib.exportLinkDirs(linkPath) | 
|  | lib.exportLinkObjects(linkObject.String()) | 
|  | } | 
|  | } else { | 
|  | switch { | 
|  | case depTag == cc.CrtBeginDepTag: | 
|  | depPaths.CrtBegin = append(depPaths.CrtBegin, android.OutputFileForModule(ctx, dep, "")) | 
|  | case depTag == cc.CrtEndDepTag: | 
|  | depPaths.CrtEnd = append(depPaths.CrtEnd, android.OutputFileForModule(ctx, dep, "")) | 
|  | } | 
|  | } | 
|  |  | 
|  | if srcDep, ok := dep.(android.SourceFileProducer); ok { | 
|  | if android.IsSourceDepTagWithOutputTag(depTag, "") { | 
|  | // These are usually genrules which don't have per-target variants. | 
|  | directSrcDeps = append(directSrcDeps, srcDep) | 
|  | } | 
|  | } | 
|  | }) | 
|  |  | 
|  | mod.transitiveAndroidMkSharedLibs = android.NewDepSet[string](android.PREORDER, directAndroidMkSharedLibs, transitiveAndroidMkSharedLibs) | 
|  |  | 
|  | var rlibDepFiles RustLibraries | 
|  | for _, dep := range directRlibDeps { | 
|  | rlibDepFiles = append(rlibDepFiles, RustLibrary{Path: dep.UnstrippedOutputFile(), CrateName: dep.CrateName()}) | 
|  | } | 
|  | var dylibDepFiles RustLibraries | 
|  | for _, dep := range directDylibDeps { | 
|  | dylibDepFiles = append(dylibDepFiles, RustLibrary{Path: dep.UnstrippedOutputFile(), CrateName: dep.CrateName()}) | 
|  | } | 
|  | var procMacroDepFiles RustLibraries | 
|  | for _, dep := range directProcMacroDeps { | 
|  | procMacroDepFiles = append(procMacroDepFiles, RustLibrary{Path: dep.UnstrippedOutputFile(), CrateName: dep.CrateName()}) | 
|  | } | 
|  |  | 
|  | var staticLibDepFiles android.Paths | 
|  | for _, dep := range directStaticLibDeps { | 
|  | staticLibDepFiles = append(staticLibDepFiles, dep.OutputFile().Path()) | 
|  | } | 
|  |  | 
|  | var sharedLibFiles android.Paths | 
|  | var sharedLibDepFiles android.Paths | 
|  | for _, dep := range directSharedLibDeps { | 
|  | sharedLibFiles = append(sharedLibFiles, dep.SharedLibrary) | 
|  | if dep.TableOfContents.Valid() { | 
|  | sharedLibDepFiles = append(sharedLibDepFiles, dep.TableOfContents.Path()) | 
|  | } else { | 
|  | sharedLibDepFiles = append(sharedLibDepFiles, dep.SharedLibrary) | 
|  | } | 
|  | } | 
|  |  | 
|  | var srcProviderDepFiles android.Paths | 
|  | for _, dep := range directSrcProvidersDeps { | 
|  | srcs, _ := dep.OutputFiles("") | 
|  | srcProviderDepFiles = append(srcProviderDepFiles, srcs...) | 
|  | } | 
|  | for _, dep := range directSrcDeps { | 
|  | srcs := dep.Srcs() | 
|  | srcProviderDepFiles = append(srcProviderDepFiles, srcs...) | 
|  | } | 
|  |  | 
|  | depPaths.RLibs = append(depPaths.RLibs, rlibDepFiles...) | 
|  | depPaths.DyLibs = append(depPaths.DyLibs, dylibDepFiles...) | 
|  | depPaths.SharedLibs = append(depPaths.SharedLibs, sharedLibFiles...) | 
|  | depPaths.SharedLibDeps = append(depPaths.SharedLibDeps, sharedLibDepFiles...) | 
|  | depPaths.StaticLibs = append(depPaths.StaticLibs, staticLibDepFiles...) | 
|  | depPaths.ProcMacros = append(depPaths.ProcMacros, procMacroDepFiles...) | 
|  | depPaths.SrcDeps = append(depPaths.SrcDeps, srcProviderDepFiles...) | 
|  |  | 
|  | // Dedup exported flags from dependencies | 
|  | depPaths.linkDirs = android.FirstUniqueStrings(depPaths.linkDirs) | 
|  | depPaths.linkObjects = android.FirstUniqueStrings(depPaths.linkObjects) | 
|  | depPaths.depFlags = android.FirstUniqueStrings(depPaths.depFlags) | 
|  | depPaths.depClangFlags = android.FirstUniqueStrings(depPaths.depClangFlags) | 
|  | depPaths.depIncludePaths = android.FirstUniquePaths(depPaths.depIncludePaths) | 
|  | depPaths.depSystemIncludePaths = android.FirstUniquePaths(depPaths.depSystemIncludePaths) | 
|  |  | 
|  | return depPaths | 
|  | } | 
|  |  | 
|  | func (mod *Module) InstallInData() bool { | 
|  | if mod.compiler == nil { | 
|  | return false | 
|  | } | 
|  | return mod.compiler.inData() | 
|  | } | 
|  |  | 
|  | func (mod *Module) InstallInRamdisk() bool { | 
|  | return mod.InRamdisk() | 
|  | } | 
|  |  | 
|  | func (mod *Module) InstallInVendorRamdisk() bool { | 
|  | return mod.InVendorRamdisk() | 
|  | } | 
|  |  | 
|  | func (mod *Module) InstallInRecovery() bool { | 
|  | return mod.InRecovery() | 
|  | } | 
|  |  | 
|  | func linkPathFromFilePath(filepath android.Path) string { | 
|  | return strings.Split(filepath.String(), filepath.Base())[0] | 
|  | } | 
|  |  | 
|  | // usePublicApi returns true if the rust variant should link against NDK (publicapi) | 
|  | func (r *Module) usePublicApi() bool { | 
|  | return r.Device() && r.UseSdk() | 
|  | } | 
|  |  | 
|  | // useVendorApi returns true if the rust variant should link against LLNDK (vendorapi) | 
|  | func (r *Module) useVendorApi() bool { | 
|  | return r.Device() && (r.InVendor() || r.InProduct()) | 
|  | } | 
|  |  | 
|  | func (mod *Module) DepsMutator(actx android.BottomUpMutatorContext) { | 
|  | ctx := &depsContext{ | 
|  | BottomUpMutatorContext: actx, | 
|  | } | 
|  |  | 
|  | deps := mod.deps(ctx) | 
|  | var commonDepVariations []blueprint.Variation | 
|  | var snapshotInfo *cc.SnapshotInfo | 
|  |  | 
|  | apiImportInfo := cc.GetApiImports(mod, actx) | 
|  | if mod.usePublicApi() || mod.useVendorApi() { | 
|  | for idx, lib := range deps.SharedLibs { | 
|  | deps.SharedLibs[idx] = cc.GetReplaceModuleName(lib, apiImportInfo.SharedLibs) | 
|  | } | 
|  | } | 
|  |  | 
|  | if ctx.Os() == android.Android { | 
|  | deps.SharedLibs, _ = cc.RewriteLibs(mod, &snapshotInfo, actx, ctx.Config(), deps.SharedLibs) | 
|  | } | 
|  |  | 
|  | stdLinkage := "dylib-std" | 
|  | if mod.compiler.stdLinkage(ctx) == RlibLinkage { | 
|  | stdLinkage = "rlib-std" | 
|  | } | 
|  |  | 
|  | rlibDepVariations := commonDepVariations | 
|  |  | 
|  | if lib, ok := mod.compiler.(libraryInterface); !ok || !lib.sysroot() { | 
|  | rlibDepVariations = append(rlibDepVariations, | 
|  | blueprint.Variation{Mutator: "rust_stdlinkage", Variation: stdLinkage}) | 
|  | } | 
|  |  | 
|  | // rlibs | 
|  | rlibDepVariations = append(rlibDepVariations, blueprint.Variation{Mutator: "rust_libraries", Variation: rlibVariation}) | 
|  | for _, lib := range deps.Rlibs { | 
|  | depTag := rlibDepTag | 
|  | lib = cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Rlibs) | 
|  |  | 
|  | actx.AddVariationDependencies(rlibDepVariations, depTag, lib) | 
|  | } | 
|  |  | 
|  | // dylibs | 
|  | dylibDepVariations := append(commonDepVariations, blueprint.Variation{Mutator: "rust_libraries", Variation: dylibVariation}) | 
|  | for _, lib := range deps.Dylibs { | 
|  | addDylibDependency(actx, lib, mod, &snapshotInfo, dylibDepVariations, dylibDepTag) | 
|  | } | 
|  |  | 
|  | // rustlibs | 
|  | if deps.Rustlibs != nil { | 
|  | if !mod.compiler.Disabled() { | 
|  | for _, lib := range deps.Rustlibs { | 
|  | autoDep := mod.compiler.(autoDeppable).autoDep(ctx) | 
|  | if autoDep.depTag == rlibDepTag { | 
|  | // Handle the rlib deptag case | 
|  | addRlibDependency(actx, lib, mod, &snapshotInfo, rlibDepVariations) | 
|  | } else { | 
|  | // autoDep.depTag is a dylib depTag. Not all rustlibs may be available as a dylib however. | 
|  | // Check for the existence of the dylib deptag variant. Select it if available, | 
|  | // otherwise select the rlib variant. | 
|  | autoDepVariations := append(commonDepVariations, | 
|  | blueprint.Variation{Mutator: "rust_libraries", Variation: autoDep.variation}) | 
|  |  | 
|  | replacementLib := cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Dylibs) | 
|  |  | 
|  | if actx.OtherModuleDependencyVariantExists(autoDepVariations, replacementLib) { | 
|  | addDylibDependency(actx, lib, mod, &snapshotInfo, autoDepVariations, autoDep.depTag) | 
|  | } else { | 
|  | // If there's no dylib dependency available, try to add the rlib dependency instead. | 
|  | addRlibDependency(actx, lib, mod, &snapshotInfo, rlibDepVariations) | 
|  | } | 
|  | } | 
|  | } | 
|  | } else if _, ok := mod.sourceProvider.(*protobufDecorator); ok { | 
|  | for _, lib := range deps.Rustlibs { | 
|  | replacementLib := cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Dylibs) | 
|  | srcProviderVariations := append(commonDepVariations, | 
|  | blueprint.Variation{Mutator: "rust_libraries", Variation: "source"}) | 
|  |  | 
|  | if actx.OtherModuleDependencyVariantExists(srcProviderVariations, replacementLib) { | 
|  | actx.AddVariationDependencies(srcProviderVariations, sourceDepTag, lib) | 
|  | } | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | // stdlibs | 
|  | if deps.Stdlibs != nil { | 
|  | if mod.compiler.stdLinkage(ctx) == RlibLinkage { | 
|  | for _, lib := range deps.Stdlibs { | 
|  | lib = cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).Rlibs) | 
|  | actx.AddVariationDependencies(append(commonDepVariations, []blueprint.Variation{{Mutator: "rust_libraries", Variation: "rlib"}}...), | 
|  | rlibDepTag, lib) | 
|  | } | 
|  | } else { | 
|  | for _, lib := range deps.Stdlibs { | 
|  | addDylibDependency(actx, lib, mod, &snapshotInfo, dylibDepVariations, dylibDepTag) | 
|  | } | 
|  | } | 
|  | } | 
|  |  | 
|  | for _, lib := range deps.SharedLibs { | 
|  | depTag := cc.SharedDepTag() | 
|  | name, version := cc.StubsLibNameAndVersion(lib) | 
|  |  | 
|  | variations := []blueprint.Variation{ | 
|  | {Mutator: "link", Variation: "shared"}, | 
|  | } | 
|  | // For core variant, add a dep on the implementation (if it exists) and its .apiimport (if it exists) | 
|  | // GenerateAndroidBuildActions will pick the correct impl/stub based on the api_domain boundary | 
|  | if _, ok := apiImportInfo.ApexSharedLibs[name]; !ok || ctx.OtherModuleExists(name) { | 
|  | cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, name, version, false) | 
|  | } | 
|  |  | 
|  | if apiLibraryName, ok := apiImportInfo.ApexSharedLibs[name]; ok { | 
|  | cc.AddSharedLibDependenciesWithVersions(ctx, mod, variations, depTag, apiLibraryName, version, false) | 
|  | } | 
|  | } | 
|  |  | 
|  | for _, lib := range deps.WholeStaticLibs { | 
|  | depTag := cc.StaticDepTag(true) | 
|  | lib = cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).StaticLibs) | 
|  |  | 
|  | actx.AddVariationDependencies([]blueprint.Variation{ | 
|  | {Mutator: "link", Variation: "static"}, | 
|  | }, depTag, lib) | 
|  | } | 
|  |  | 
|  | for _, lib := range deps.StaticLibs { | 
|  | depTag := cc.StaticDepTag(false) | 
|  | lib = cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, &snapshotInfo, actx).StaticLibs) | 
|  |  | 
|  | actx.AddVariationDependencies([]blueprint.Variation{ | 
|  | {Mutator: "link", Variation: "static"}, | 
|  | }, depTag, lib) | 
|  | } | 
|  |  | 
|  | actx.AddVariationDependencies(nil, cc.HeaderDepTag(), deps.HeaderLibs...) | 
|  |  | 
|  | crtVariations := cc.GetCrtVariations(ctx, mod) | 
|  | for _, crt := range deps.CrtBegin { | 
|  | actx.AddVariationDependencies(crtVariations, cc.CrtBeginDepTag, | 
|  | cc.GetReplaceModuleName(crt, cc.GetSnapshot(mod, &snapshotInfo, actx).Objects)) | 
|  | } | 
|  | for _, crt := range deps.CrtEnd { | 
|  | actx.AddVariationDependencies(crtVariations, cc.CrtEndDepTag, | 
|  | cc.GetReplaceModuleName(crt, cc.GetSnapshot(mod, &snapshotInfo, actx).Objects)) | 
|  | } | 
|  |  | 
|  | if mod.sourceProvider != nil { | 
|  | if bindgen, ok := mod.sourceProvider.(*bindgenDecorator); ok && | 
|  | bindgen.Properties.Custom_bindgen != "" { | 
|  | actx.AddFarVariationDependencies(ctx.Config().BuildOSTarget.Variations(), customBindgenDepTag, | 
|  | bindgen.Properties.Custom_bindgen) | 
|  | } | 
|  | } | 
|  |  | 
|  | actx.AddVariationDependencies([]blueprint.Variation{ | 
|  | {Mutator: "link", Variation: "shared"}, | 
|  | }, dataLibDepTag, deps.DataLibs...) | 
|  |  | 
|  | actx.AddVariationDependencies(nil, dataBinDepTag, deps.DataBins...) | 
|  |  | 
|  | // proc_macros are compiler plugins, and so we need the host arch variant as a dependendcy. | 
|  | actx.AddFarVariationDependencies(ctx.Config().BuildOSTarget.Variations(), procMacroDepTag, deps.ProcMacros...) | 
|  |  | 
|  | mod.afdo.addDep(ctx, actx) | 
|  | } | 
|  |  | 
|  | // addRlibDependency will add an rlib dependency, rewriting to the snapshot library if available. | 
|  | func addRlibDependency(actx android.BottomUpMutatorContext, lib string, mod *Module, snapshotInfo **cc.SnapshotInfo, variations []blueprint.Variation) { | 
|  | lib = cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, snapshotInfo, actx).Rlibs) | 
|  | actx.AddVariationDependencies(variations, rlibDepTag, lib) | 
|  | } | 
|  |  | 
|  | func addDylibDependency(actx android.BottomUpMutatorContext, lib string, mod *Module, snapshotInfo **cc.SnapshotInfo, variations []blueprint.Variation, depTag dependencyTag) { | 
|  | lib = cc.GetReplaceModuleName(lib, cc.GetSnapshot(mod, snapshotInfo, actx).Dylibs) | 
|  | actx.AddVariationDependencies(variations, depTag, lib) | 
|  | } | 
|  |  | 
|  | func BeginMutator(ctx android.BottomUpMutatorContext) { | 
|  | if mod, ok := ctx.Module().(*Module); ok && mod.Enabled() { | 
|  | mod.beginMutator(ctx) | 
|  | } | 
|  | } | 
|  |  | 
|  | func (mod *Module) beginMutator(actx android.BottomUpMutatorContext) { | 
|  | ctx := &baseModuleContext{ | 
|  | BaseModuleContext: actx, | 
|  | } | 
|  |  | 
|  | mod.begin(ctx) | 
|  | } | 
|  |  | 
|  | func (mod *Module) Name() string { | 
|  | name := mod.ModuleBase.Name() | 
|  | if p, ok := mod.compiler.(interface { | 
|  | Name(string) string | 
|  | }); ok { | 
|  | name = p.Name(name) | 
|  | } | 
|  | return name | 
|  | } | 
|  |  | 
|  | func (mod *Module) disableClippy() { | 
|  | if mod.clippy != nil { | 
|  | mod.clippy.Properties.Clippy_lints = proptools.StringPtr("none") | 
|  | } | 
|  | } | 
|  |  | 
|  | var _ android.HostToolProvider = (*Module)(nil) | 
|  | var _ snapshot.RelativeInstallPath = (*Module)(nil) | 
|  |  | 
|  | func (mod *Module) HostToolPath() android.OptionalPath { | 
|  | if !mod.Host() { | 
|  | return android.OptionalPath{} | 
|  | } | 
|  | if binary, ok := mod.compiler.(*binaryDecorator); ok { | 
|  | return android.OptionalPathForPath(binary.baseCompiler.path) | 
|  | } else if pm, ok := mod.compiler.(*procMacroDecorator); ok { | 
|  | // Even though proc-macros aren't strictly "tools", since they target the compiler | 
|  | // and act as compiler plugins, we treat them similarly. | 
|  | return android.OptionalPathForPath(pm.baseCompiler.path) | 
|  | } | 
|  | return android.OptionalPath{} | 
|  | } | 
|  |  | 
|  | var _ android.ApexModule = (*Module)(nil) | 
|  |  | 
|  | func (mod *Module) MinSdkVersion() string { | 
|  | return String(mod.Properties.Min_sdk_version) | 
|  | } | 
|  |  | 
|  | // Implements android.ApexModule | 
|  | func (mod *Module) ShouldSupportSdkVersion(ctx android.BaseModuleContext, sdkVersion android.ApiLevel) error { | 
|  | minSdkVersion := mod.MinSdkVersion() | 
|  | if minSdkVersion == "apex_inherit" { | 
|  | return nil | 
|  | } | 
|  | if minSdkVersion == "" { | 
|  | return fmt.Errorf("min_sdk_version is not specificed") | 
|  | } | 
|  |  | 
|  | // Not using nativeApiLevelFromUser because the context here is not | 
|  | // necessarily a native context. | 
|  | ver, err := android.ApiLevelFromUser(ctx, minSdkVersion) | 
|  | if err != nil { | 
|  | return err | 
|  | } | 
|  |  | 
|  | if ver.GreaterThan(sdkVersion) { | 
|  | return fmt.Errorf("newer SDK(%v)", ver) | 
|  | } | 
|  | return nil | 
|  | } | 
|  |  | 
|  | // Implements android.ApexModule | 
|  | func (mod *Module) DepIsInSameApex(ctx android.BaseModuleContext, dep android.Module) bool { | 
|  | depTag := ctx.OtherModuleDependencyTag(dep) | 
|  |  | 
|  | if ccm, ok := dep.(*cc.Module); ok { | 
|  | if ccm.HasStubsVariants() { | 
|  | if cc.IsSharedDepTag(depTag) { | 
|  | // dynamic dep to a stubs lib crosses APEX boundary | 
|  | return false | 
|  | } | 
|  | if cc.IsRuntimeDepTag(depTag) { | 
|  | // runtime dep to a stubs lib also crosses APEX boundary | 
|  | return false | 
|  | } | 
|  |  | 
|  | if cc.IsHeaderDepTag(depTag) { | 
|  | return false | 
|  | } | 
|  | } | 
|  | if mod.Static() && cc.IsSharedDepTag(depTag) { | 
|  | // shared_lib dependency from a static lib is considered as crossing | 
|  | // the APEX boundary because the dependency doesn't actually is | 
|  | // linked; the dependency is used only during the compilation phase. | 
|  | return false | 
|  | } | 
|  | } | 
|  |  | 
|  | if depTag == procMacroDepTag || depTag == customBindgenDepTag { | 
|  | return false | 
|  | } | 
|  |  | 
|  | return true | 
|  | } | 
|  |  | 
|  | // Overrides ApexModule.IsInstallabeToApex() | 
|  | func (mod *Module) IsInstallableToApex() bool { | 
|  | if mod.compiler != nil { | 
|  | if lib, ok := mod.compiler.(libraryInterface); ok && (lib.shared() || lib.dylib()) { | 
|  | return true | 
|  | } | 
|  | if _, ok := mod.compiler.(*binaryDecorator); ok { | 
|  | return true | 
|  | } | 
|  | } | 
|  | return false | 
|  | } | 
|  |  | 
|  | // If a library file has a "lib" prefix, extract the library name without the prefix. | 
|  | func libNameFromFilePath(filepath android.Path) (string, bool) { | 
|  | libName := strings.TrimSuffix(filepath.Base(), filepath.Ext()) | 
|  | if strings.HasPrefix(libName, "lib") { | 
|  | libName = libName[3:] | 
|  | return libName, true | 
|  | } | 
|  | return "", false | 
|  | } | 
|  |  | 
|  | func kytheExtractRustFactory() android.Singleton { | 
|  | return &kytheExtractRustSingleton{} | 
|  | } | 
|  |  | 
|  | type kytheExtractRustSingleton struct { | 
|  | } | 
|  |  | 
|  | func (k kytheExtractRustSingleton) GenerateBuildActions(ctx android.SingletonContext) { | 
|  | var xrefTargets android.Paths | 
|  | ctx.VisitAllModules(func(module android.Module) { | 
|  | if rustModule, ok := module.(xref); ok { | 
|  | xrefTargets = append(xrefTargets, rustModule.XrefRustFiles()...) | 
|  | } | 
|  | }) | 
|  | if len(xrefTargets) > 0 { | 
|  | ctx.Phony("xref_rust", xrefTargets...) | 
|  | } | 
|  | } | 
|  |  | 
|  | func (c *Module) Partition() string { | 
|  | return "" | 
|  | } | 
|  |  | 
|  | func (m *Module) ConvertWithBp2build(ctx android.Bp2buildMutatorContext) { | 
|  | if ctx.ModuleType() == "rust_library_host" || ctx.ModuleType() == "rust_library" { | 
|  | libraryBp2build(ctx, m) | 
|  | } else if ctx.ModuleType() == "rust_proc_macro" { | 
|  | procMacroBp2build(ctx, m) | 
|  | } else if ctx.ModuleType() == "rust_binary_host" { | 
|  | binaryBp2build(ctx, m) | 
|  | } else if ctx.ModuleType() == "rust_protobuf_host" || ctx.ModuleType() == "rust_protobuf" { | 
|  | protoLibraryBp2build(ctx, m) | 
|  | } else if ctx.ModuleType() == "rust_ffi_static" { | 
|  | ffiStaticBp2build(ctx, m) | 
|  | } else { | 
|  | ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_TYPE_UNSUPPORTED, "") | 
|  | } | 
|  | } | 
|  |  | 
|  | // This is a workaround by assuming the conventions that rust crate repos are structured | 
|  | // while waiting for the sandboxing work to complete. | 
|  | // TODO(b/297344471): When crate_root prop is set which enforces inputs sandboxing, | 
|  | // always use `srcs` and `compile_data` props to generate `srcs` and `compile_data` attributes | 
|  | // instead of using globs. | 
|  | func srcsAndCompileDataAttrs(ctx android.Bp2buildMutatorContext, c baseCompiler) (bazel.LabelList, bazel.LabelList) { | 
|  | var srcs bazel.LabelList | 
|  | var compileData bazel.LabelList | 
|  |  | 
|  | if c.Properties.Srcs[0] == "src/lib.rs" { | 
|  | srcs = android.BazelLabelForModuleSrc(ctx, []string{"src/**/*.rs"}) | 
|  | compileData = android.BazelLabelForModuleSrc( | 
|  | ctx, | 
|  | []string{ | 
|  | "src/**/*.proto", | 
|  | "examples/**/*.rs", | 
|  | "**/*.md", | 
|  | }, | 
|  | ) | 
|  | } else { | 
|  | srcs = android.BazelLabelForModuleSrc(ctx, c.Properties.Srcs) | 
|  | } | 
|  |  | 
|  | return srcs, compileData | 
|  | } | 
|  |  | 
|  | var Bool = proptools.Bool | 
|  | var BoolDefault = proptools.BoolDefault | 
|  | var String = proptools.String | 
|  | var StringPtr = proptools.StringPtr | 
|  |  | 
|  | var _ android.OutputFileProducer = (*Module)(nil) |