| // Copyright 2015 Google Inc. All rights reserved. | 
 | // | 
 | // Licensed under the Apache License, Version 2.0 (the "License"); | 
 | // you may not use this file except in compliance with the License. | 
 | // You may obtain a copy of the License at | 
 | // | 
 | //     http://www.apache.org/licenses/LICENSE-2.0 | 
 | // | 
 | // Unless required by applicable law or agreed to in writing, software | 
 | // distributed under the License is distributed on an "AS IS" BASIS, | 
 | // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | 
 | // See the License for the specific language governing permissions and | 
 | // limitations under the License. | 
 |  | 
 | package android | 
 |  | 
 | import ( | 
 | 	"fmt" | 
 | 	"reflect" | 
 | 	"runtime" | 
 | 	"strings" | 
 |  | 
 | 	"github.com/google/blueprint/proptools" | 
 | ) | 
 |  | 
 | func init() { | 
 | 	registerVariableBuildComponents(InitRegistrationContext) | 
 | } | 
 |  | 
 | func registerVariableBuildComponents(ctx RegistrationContext) { | 
 | 	ctx.PreDepsMutators(func(ctx RegisterMutatorsContext) { | 
 | 		ctx.BottomUp("variable", VariableMutator).Parallel() | 
 | 	}) | 
 | } | 
 |  | 
 | var PrepareForTestWithVariables = FixtureRegisterWithContext(registerVariableBuildComponents) | 
 |  | 
 | type variableProperties struct { | 
 | 	Product_variables struct { | 
 | 		Platform_sdk_version struct { | 
 | 			Asflags []string | 
 | 			Cflags  []string | 
 | 			Cmd     *string | 
 | 		} | 
 |  | 
 | 		Platform_sdk_version_or_codename struct { | 
 | 			Java_resource_dirs []string | 
 | 		} | 
 |  | 
 | 		Platform_sdk_extension_version struct { | 
 | 			Cmd *string | 
 | 		} | 
 |  | 
 | 		Platform_version_name struct { | 
 | 			Base_dir *string | 
 | 		} | 
 |  | 
 | 		Shipping_api_level struct { | 
 | 			Cflags []string | 
 | 		} | 
 |  | 
 | 		// unbundled_build is a catch-all property to annotate modules that don't build in one or | 
 | 		// more unbundled branches, usually due to dependencies missing from the manifest. | 
 | 		Unbundled_build struct { | 
 | 			Enabled proptools.Configurable[bool] `android:"arch_variant,replace_instead_of_append"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		// similar to `Unbundled_build`, but `Always_use_prebuilt_sdks` means that it uses prebuilt | 
 | 		// sdk specifically. | 
 | 		Always_use_prebuilt_sdks struct { | 
 | 			Enabled proptools.Configurable[bool] `android:"arch_variant,replace_instead_of_append"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		Malloc_low_memory struct { | 
 | 			Cflags              []string `android:"arch_variant"` | 
 | 			Shared_libs         []string `android:"arch_variant"` | 
 | 			Whole_static_libs   []string `android:"arch_variant"` | 
 | 			Static_libs         []string `android:"arch_variant"` | 
 | 			Exclude_static_libs []string `android:"arch_variant"` | 
 | 			Srcs                []string `android:"arch_variant"` | 
 | 			Header_libs         []string `android:"arch_variant"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		Malloc_zero_contents struct { | 
 | 			Cflags []string `android:"arch_variant"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		Malloc_pattern_fill_contents struct { | 
 | 			Cflags []string `android:"arch_variant"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		Safestack struct { | 
 | 			Cflags []string `android:"arch_variant"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		Binder32bit struct { | 
 | 			Cflags []string | 
 | 		} | 
 |  | 
 | 		Override_rs_driver struct { | 
 | 			Cflags []string | 
 | 		} | 
 |  | 
 | 		// treble_linker_namespaces is true when the system/vendor linker namespace separation is | 
 | 		// enabled. | 
 | 		Treble_linker_namespaces struct { | 
 | 			Cflags []string | 
 | 		} | 
 | 		// enforce_vintf_manifest is true when a device is required to have a vintf manifest. | 
 | 		Enforce_vintf_manifest struct { | 
 | 			Cflags []string | 
 | 		} | 
 |  | 
 | 		Build_from_text_stub struct { | 
 | 			Static_libs         []string | 
 | 			Exclude_static_libs []string | 
 | 		} | 
 |  | 
 | 		// debuggable is true for eng and userdebug builds, and can be used to turn on additional | 
 | 		// debugging features that don't significantly impact runtime behavior.  userdebug builds | 
 | 		// are used for dogfooding and performance testing, and should be as similar to user builds | 
 | 		// as possible. | 
 | 		Debuggable struct { | 
 | 			Cflags          []string | 
 | 			Cppflags        []string | 
 | 			Init_rc         []string | 
 | 			Required        []string | 
 | 			Host_required   []string | 
 | 			Target_required []string | 
 | 			Strip           struct { | 
 | 				All                          *bool | 
 | 				Keep_symbols                 *bool | 
 | 				Keep_symbols_and_debug_frame *bool | 
 | 			} | 
 | 			Static_libs         []string | 
 | 			Exclude_static_libs []string | 
 | 			Whole_static_libs   []string | 
 | 			Shared_libs         []string | 
 | 			Jni_libs            []string | 
 |  | 
 | 			Cmdline []string | 
 |  | 
 | 			Srcs         []string | 
 | 			Exclude_srcs []string | 
 | 			Cmd          *string | 
 |  | 
 | 			Deps []string | 
 | 		} | 
 |  | 
 | 		// eng is true for -eng builds, and can be used to turn on additional heavyweight debugging | 
 | 		// features. | 
 | 		Eng struct { | 
 | 			Cflags   []string | 
 | 			Cppflags []string | 
 | 			Lto      struct { | 
 | 				Never *bool | 
 | 			} | 
 | 			Sanitize struct { | 
 | 				Address *bool | 
 | 			} | 
 | 			Optimize struct { | 
 | 				Enabled *bool | 
 | 			} | 
 | 		} | 
 |  | 
 | 		Uml struct { | 
 | 			Cppflags []string | 
 | 		} | 
 |  | 
 | 		Arc struct { | 
 | 			Cflags            []string `android:"arch_variant"` | 
 | 			Exclude_srcs      []string `android:"arch_variant"` | 
 | 			Header_libs       []string `android:"arch_variant"` | 
 | 			Include_dirs      []string `android:"arch_variant"` | 
 | 			Shared_libs       []string `android:"arch_variant"` | 
 | 			Static_libs       []string `android:"arch_variant"` | 
 | 			Srcs              []string `android:"arch_variant"` | 
 | 			Whole_static_libs []string `android:"arch_variant"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		Native_coverage struct { | 
 | 			Src          *string  `android:"arch_variant"` | 
 | 			Srcs         []string `android:"arch_variant"` | 
 | 			Exclude_srcs []string `android:"arch_variant"` | 
 | 		} `android:"arch_variant"` | 
 |  | 
 | 		// release_aidl_use_unfrozen is "true" when a device can | 
 | 		// use the unfrozen versions of AIDL interfaces. | 
 | 		Release_aidl_use_unfrozen struct { | 
 | 			Cflags                 []string | 
 | 			Cmd                    *string | 
 | 			Required               []string | 
 | 			Vintf_fragment_modules []string | 
 | 		} | 
 | 	} `android:"arch_variant"` | 
 | } | 
 |  | 
 | var defaultProductVariables interface{} = variableProperties{} | 
 |  | 
 | type ProductVariables struct { | 
 | 	// Suffix to add to generated Makefiles | 
 | 	Make_suffix *string `json:",omitempty"` | 
 |  | 
 | 	BuildId              *string `json:",omitempty"` | 
 | 	BuildFingerprintFile *string `json:",omitempty"` | 
 | 	BuildNumberFile      *string `json:",omitempty"` | 
 | 	BuildHostnameFile    *string `json:",omitempty"` | 
 | 	BuildThumbprintFile  *string `json:",omitempty"` | 
 | 	DisplayBuildNumber   *bool   `json:",omitempty"` | 
 |  | 
 | 	Platform_display_version_name          *string  `json:",omitempty"` | 
 | 	Platform_version_name                  *string  `json:",omitempty"` | 
 | 	Platform_sdk_version                   *int     `json:",omitempty"` | 
 | 	Platform_sdk_codename                  *string  `json:",omitempty"` | 
 | 	Platform_sdk_version_or_codename       *string  `json:",omitempty"` | 
 | 	Platform_sdk_final                     *bool    `json:",omitempty"` | 
 | 	Platform_sdk_extension_version         *int     `json:",omitempty"` | 
 | 	Platform_base_sdk_extension_version    *int     `json:",omitempty"` | 
 | 	Platform_version_active_codenames      []string `json:",omitempty"` | 
 | 	Platform_version_all_preview_codenames []string `json:",omitempty"` | 
 | 	Platform_systemsdk_versions            []string `json:",omitempty"` | 
 | 	Platform_security_patch                *string  `json:",omitempty"` | 
 | 	Platform_preview_sdk_version           *string  `json:",omitempty"` | 
 | 	Platform_base_os                       *string  `json:",omitempty"` | 
 | 	Platform_version_last_stable           *string  `json:",omitempty"` | 
 | 	Platform_version_known_codenames       *string  `json:",omitempty"` | 
 |  | 
 | 	DeviceName                            *string  `json:",omitempty"` | 
 | 	DeviceProduct                         *string  `json:",omitempty"` | 
 | 	DeviceArch                            *string  `json:",omitempty"` | 
 | 	DeviceArchVariant                     *string  `json:",omitempty"` | 
 | 	DeviceCpuVariant                      *string  `json:",omitempty"` | 
 | 	DeviceAbi                             []string `json:",omitempty"` | 
 | 	DeviceVndkVersion                     *string  `json:",omitempty"` | 
 | 	DeviceCurrentApiLevelForVendorModules *string  `json:",omitempty"` | 
 | 	DeviceSystemSdkVersions               []string `json:",omitempty"` | 
 | 	DeviceMaxPageSizeSupported            *string  `json:",omitempty"` | 
 | 	DeviceNoBionicPageSizeMacro           *bool    `json:",omitempty"` | 
 |  | 
 | 	VendorApiLevel *string `json:",omitempty"` | 
 |  | 
 | 	DeviceSecondaryArch        *string  `json:",omitempty"` | 
 | 	DeviceSecondaryArchVariant *string  `json:",omitempty"` | 
 | 	DeviceSecondaryCpuVariant  *string  `json:",omitempty"` | 
 | 	DeviceSecondaryAbi         []string `json:",omitempty"` | 
 |  | 
 | 	NativeBridgeArch         *string  `json:",omitempty"` | 
 | 	NativeBridgeArchVariant  *string  `json:",omitempty"` | 
 | 	NativeBridgeCpuVariant   *string  `json:",omitempty"` | 
 | 	NativeBridgeAbi          []string `json:",omitempty"` | 
 | 	NativeBridgeRelativePath *string  `json:",omitempty"` | 
 |  | 
 | 	NativeBridgeSecondaryArch         *string  `json:",omitempty"` | 
 | 	NativeBridgeSecondaryArchVariant  *string  `json:",omitempty"` | 
 | 	NativeBridgeSecondaryCpuVariant   *string  `json:",omitempty"` | 
 | 	NativeBridgeSecondaryAbi          []string `json:",omitempty"` | 
 | 	NativeBridgeSecondaryRelativePath *string  `json:",omitempty"` | 
 |  | 
 | 	HostArch          *string `json:",omitempty"` | 
 | 	HostSecondaryArch *string `json:",omitempty"` | 
 | 	HostMusl          *bool   `json:",omitempty"` | 
 |  | 
 | 	CrossHost              *string `json:",omitempty"` | 
 | 	CrossHostArch          *string `json:",omitempty"` | 
 | 	CrossHostSecondaryArch *string `json:",omitempty"` | 
 |  | 
 | 	DeviceResourceOverlays     []string `json:",omitempty"` | 
 | 	ProductResourceOverlays    []string `json:",omitempty"` | 
 | 	EnforceRROTargets          []string `json:",omitempty"` | 
 | 	EnforceRROExcludedOverlays []string `json:",omitempty"` | 
 |  | 
 | 	AAPTCharacteristics *string  `json:",omitempty"` | 
 | 	AAPTConfig          []string `json:",omitempty"` | 
 | 	AAPTPreferredConfig *string  `json:",omitempty"` | 
 | 	AAPTPrebuiltDPI     []string `json:",omitempty"` | 
 |  | 
 | 	DefaultAppCertificate           *string  `json:",omitempty"` | 
 | 	ExtraOtaKeys                    []string `json:",omitempty"` | 
 | 	ExtraOtaRecoveryKeys            []string `json:",omitempty"` | 
 | 	MainlineSepolicyDevCertificates *string  `json:",omitempty"` | 
 |  | 
 | 	AppsDefaultVersionName *string `json:",omitempty"` | 
 |  | 
 | 	Allow_missing_dependencies   *bool    `json:",omitempty"` | 
 | 	Unbundled_build              *bool    `json:",omitempty"` | 
 | 	Unbundled_build_apps         []string `json:",omitempty"` | 
 | 	Unbundled_build_image        *bool    `json:",omitempty"` | 
 | 	Always_use_prebuilt_sdks     *bool    `json:",omitempty"` | 
 | 	Skip_boot_jars_check         *bool    `json:",omitempty"` | 
 | 	Malloc_low_memory            *bool    `json:",omitempty"` | 
 | 	Malloc_zero_contents         *bool    `json:",omitempty"` | 
 | 	Malloc_pattern_fill_contents *bool    `json:",omitempty"` | 
 | 	Safestack                    *bool    `json:",omitempty"` | 
 | 	HostStaticBinaries           *bool    `json:",omitempty"` | 
 | 	Binder32bit                  *bool    `json:",omitempty"` | 
 | 	UseGoma                      *bool    `json:",omitempty"` | 
 | 	UseABFS                      *bool    `json:",omitempty"` | 
 | 	UseRBE                       *bool    `json:",omitempty"` | 
 | 	UseRBEJAVAC                  *bool    `json:",omitempty"` | 
 | 	UseRBER8                     *bool    `json:",omitempty"` | 
 | 	UseRBED8                     *bool    `json:",omitempty"` | 
 | 	Debuggable                   *bool    `json:",omitempty"` | 
 | 	Eng                          *bool    `json:",omitempty"` | 
 | 	Treble_linker_namespaces     *bool    `json:",omitempty"` | 
 | 	Enforce_vintf_manifest       *bool    `json:",omitempty"` | 
 | 	Uml                          *bool    `json:",omitempty"` | 
 | 	Arc                          *bool    `json:",omitempty"` | 
 | 	MinimizeJavaDebugInfo        *bool    `json:",omitempty"` | 
 | 	Build_from_text_stub         *bool    `json:",omitempty"` | 
 |  | 
 | 	BuildType *string `json:",omitempty"` | 
 |  | 
 | 	Check_elf_files *bool `json:",omitempty"` | 
 |  | 
 | 	UncompressPrivAppDex             *bool    `json:",omitempty"` | 
 | 	ModulesLoadedByPrivilegedModules []string `json:",omitempty"` | 
 |  | 
 | 	BootJars     ConfiguredJarList `json:",omitempty"` | 
 | 	ApexBootJars ConfiguredJarList `json:",omitempty"` | 
 |  | 
 | 	IntegerOverflowExcludePaths []string `json:",omitempty"` | 
 |  | 
 | 	EnableCFI       *bool    `json:",omitempty"` | 
 | 	CFIExcludePaths []string `json:",omitempty"` | 
 | 	CFIIncludePaths []string `json:",omitempty"` | 
 |  | 
 | 	DisableScudo *bool `json:",omitempty"` | 
 |  | 
 | 	MemtagHeapExcludePaths      []string `json:",omitempty"` | 
 | 	MemtagHeapAsyncIncludePaths []string `json:",omitempty"` | 
 | 	MemtagHeapSyncIncludePaths  []string `json:",omitempty"` | 
 |  | 
 | 	HWASanIncludePaths []string `json:",omitempty"` | 
 | 	HWASanExcludePaths []string `json:",omitempty"` | 
 |  | 
 | 	VendorPath    *string `json:",omitempty"` | 
 | 	OdmPath       *string `json:",omitempty"` | 
 | 	ProductPath   *string `json:",omitempty"` | 
 | 	SystemExtPath *string `json:",omitempty"` | 
 |  | 
 | 	ClangTidy  *bool   `json:",omitempty"` | 
 | 	TidyChecks *string `json:",omitempty"` | 
 |  | 
 | 	JavaCoveragePaths        []string `json:",omitempty"` | 
 | 	JavaCoverageExcludePaths []string `json:",omitempty"` | 
 |  | 
 | 	GcovCoverage                *bool    `json:",omitempty"` | 
 | 	ClangCoverage               *bool    `json:",omitempty"` | 
 | 	NativeCoveragePaths         []string `json:",omitempty"` | 
 | 	NativeCoverageExcludePaths  []string `json:",omitempty"` | 
 | 	ClangCoverageContinuousMode *bool    `json:",omitempty"` | 
 |  | 
 | 	// Set by NewConfig | 
 | 	Native_coverage *bool `json:",omitempty"` | 
 |  | 
 | 	SanitizeHost       []string `json:",omitempty"` | 
 | 	SanitizeDevice     []string `json:",omitempty"` | 
 | 	SanitizeDeviceDiag []string `json:",omitempty"` | 
 | 	SanitizeDeviceArch []string `json:",omitempty"` | 
 |  | 
 | 	ArtUseReadBarrier *bool `json:",omitempty"` | 
 |  | 
 | 	BtConfigIncludeDir *string `json:",omitempty"` | 
 |  | 
 | 	Override_rs_driver *string `json:",omitempty"` | 
 |  | 
 | 	DeviceKernelHeaders []string `json:",omitempty"` | 
 |  | 
 | 	ExtraVndkVersions []string `json:",omitempty"` | 
 |  | 
 | 	NamespacesToExport []string `json:",omitempty"` | 
 |  | 
 | 	PgoAdditionalProfileDirs []string `json:",omitempty"` | 
 |  | 
 | 	MultitreeUpdateMeta bool `json:",omitempty"` | 
 |  | 
 | 	BoardVendorSepolicyDirs      []string `json:",omitempty"` | 
 | 	BoardOdmSepolicyDirs         []string `json:",omitempty"` | 
 | 	SystemExtPublicSepolicyDirs  []string `json:",omitempty"` | 
 | 	SystemExtPrivateSepolicyDirs []string `json:",omitempty"` | 
 | 	BoardSepolicyM4Defs          []string `json:",omitempty"` | 
 |  | 
 | 	BoardPlatform           *string `json:",omitempty"` | 
 | 	BoardSepolicyVers       *string `json:",omitempty"` | 
 | 	PlatformSepolicyVersion *string `json:",omitempty"` | 
 |  | 
 | 	SystemExtSepolicyPrebuiltApiDir *string `json:",omitempty"` | 
 | 	ProductSepolicyPrebuiltApiDir   *string `json:",omitempty"` | 
 |  | 
 | 	PlatformSepolicyCompatVersions []string `json:",omitempty"` | 
 |  | 
 | 	VendorVars     map[string]map[string]string `json:",omitempty"` | 
 | 	VendorVarTypes map[string]map[string]string `json:",omitempty"` | 
 |  | 
 | 	Ndk_abis *bool `json:",omitempty"` | 
 |  | 
 | 	TrimmedApex                  *bool `json:",omitempty"` | 
 | 	ForceApexSymlinkOptimization *bool `json:",omitempty"` | 
 | 	CompressedApex               *bool `json:",omitempty"` | 
 | 	Aml_abis                     *bool `json:",omitempty"` | 
 |  | 
 | 	DexpreoptGlobalConfig *string `json:",omitempty"` | 
 |  | 
 | 	WithDexpreopt bool `json:",omitempty"` | 
 |  | 
 | 	ManifestPackageNameOverrides   []string `json:",omitempty"` | 
 | 	CertificateOverrides           []string `json:",omitempty"` | 
 | 	PackageNameOverrides           []string `json:",omitempty"` | 
 | 	ConfiguredJarLocationOverrides []string `json:",omitempty"` | 
 |  | 
 | 	ApexGlobalMinSdkVersionOverride *string `json:",omitempty"` | 
 |  | 
 | 	EnforceSystemCertificate          *bool    `json:",omitempty"` | 
 | 	EnforceSystemCertificateAllowList []string `json:",omitempty"` | 
 |  | 
 | 	ProductHiddenAPIStubs       []string `json:",omitempty"` | 
 | 	ProductHiddenAPIStubsSystem []string `json:",omitempty"` | 
 | 	ProductHiddenAPIStubsTest   []string `json:",omitempty"` | 
 |  | 
 | 	ProductPublicSepolicyDirs  []string `json:",omitempty"` | 
 | 	ProductPrivateSepolicyDirs []string `json:",omitempty"` | 
 |  | 
 | 	TargetFSConfigGen []string `json:",omitempty"` | 
 |  | 
 | 	EnforceProductPartitionInterface *bool `json:",omitempty"` | 
 |  | 
 | 	EnforceInterPartitionJavaSdkLibrary *bool    `json:",omitempty"` | 
 | 	InterPartitionJavaLibraryAllowList  []string `json:",omitempty"` | 
 |  | 
 | 	BoardUsesRecoveryAsBoot *bool `json:",omitempty"` | 
 |  | 
 | 	BoardKernelBinaries                []string `json:",omitempty"` | 
 | 	BoardKernelModuleInterfaceVersions []string `json:",omitempty"` | 
 |  | 
 | 	BoardMoveRecoveryResourcesToVendorBoot *bool `json:",omitempty"` | 
 |  | 
 | 	PrebuiltHiddenApiDir *string `json:",omitempty"` | 
 |  | 
 | 	Shipping_api_level *string `json:",omitempty"` | 
 |  | 
 | 	BuildBrokenPluginValidation         []string `json:",omitempty"` | 
 | 	BuildBrokenClangAsFlags             bool     `json:",omitempty"` | 
 | 	BuildBrokenClangCFlags              bool     `json:",omitempty"` | 
 | 	BuildBrokenClangProperty            bool     `json:",omitempty"` | 
 | 	GenruleSandboxing                   *bool    `json:",omitempty"` | 
 | 	BuildBrokenEnforceSyspropOwner      bool     `json:",omitempty"` | 
 | 	BuildBrokenTrebleSyspropNeverallow  bool     `json:",omitempty"` | 
 | 	BuildBrokenUsesSoongPython2Modules  bool     `json:",omitempty"` | 
 | 	BuildBrokenVendorPropertyNamespace  bool     `json:",omitempty"` | 
 | 	BuildBrokenIncorrectPartitionImages bool     `json:",omitempty"` | 
 | 	BuildBrokenInputDirModules          []string `json:",omitempty"` | 
 | 	BuildBrokenDontCheckSystemSdk       bool     `json:",omitempty"` | 
 | 	BuildBrokenDupSysprop               bool     `json:",omitempty"` | 
 |  | 
 | 	BuildWarningBadOptionalUsesLibsAllowlist []string `json:",omitempty"` | 
 |  | 
 | 	BuildDebugfsRestrictionsEnabled bool `json:",omitempty"` | 
 |  | 
 | 	RequiresInsecureExecmemForSwiftshader bool `json:",omitempty"` | 
 |  | 
 | 	SelinuxIgnoreNeverallows bool `json:",omitempty"` | 
 |  | 
 | 	Release_aidl_use_unfrozen *bool `json:",omitempty"` | 
 |  | 
 | 	SepolicyFreezeTestExtraDirs         []string `json:",omitempty"` | 
 | 	SepolicyFreezeTestExtraPrebuiltDirs []string `json:",omitempty"` | 
 |  | 
 | 	GenerateAidlNdkPlatformBackend bool `json:",omitempty"` | 
 |  | 
 | 	IgnorePrefer32OnDevice bool `json:",omitempty"` | 
 |  | 
 | 	SourceRootDirs []string `json:",omitempty"` | 
 |  | 
 | 	AfdoProfiles []string `json:",omitempty"` | 
 |  | 
 | 	ProductManufacturer string `json:",omitempty"` | 
 | 	ProductBrand        string `json:",omitempty"` | 
 |  | 
 | 	ReleaseVersion          string   `json:",omitempty"` | 
 | 	ReleaseAconfigValueSets []string `json:",omitempty"` | 
 |  | 
 | 	ReleaseAconfigFlagDefaultPermission string `json:",omitempty"` | 
 |  | 
 | 	ReleaseDefaultModuleBuildFromSource *bool `json:",omitempty"` | 
 |  | 
 | 	CheckVendorSeappViolations *bool `json:",omitempty"` | 
 |  | 
 | 	BuildFlags map[string]string `json:",omitempty"` | 
 |  | 
 | 	BuildFlagTypes map[string]string `json:",omitempty"` | 
 |  | 
 | 	BuildFromSourceStub *bool `json:",omitempty"` | 
 |  | 
 | 	BuildIgnoreApexContributionContents *bool `json:",omitempty"` | 
 |  | 
 | 	HiddenapiExportableStubs *bool `json:",omitempty"` | 
 |  | 
 | 	ExportRuntimeApis *bool `json:",omitempty"` | 
 |  | 
 | 	AconfigContainerValidation string `json:",omitempty"` | 
 |  | 
 | 	ProductLocales []string `json:",omitempty"` | 
 |  | 
 | 	ProductDefaultWifiChannels []string `json:",omitempty"` | 
 |  | 
 | 	BoardUseVbmetaDigestInFingerprint *bool `json:",omitempty"` | 
 |  | 
 | 	OemProperties []string `json:",omitempty"` | 
 |  | 
 | 	ArtTargetIncludeDebugBuild *bool `json:",omitempty"` | 
 |  | 
 | 	SystemPropFiles    []string `json:",omitempty"` | 
 | 	SystemExtPropFiles []string `json:",omitempty"` | 
 | 	ProductPropFiles   []string `json:",omitempty"` | 
 | 	OdmPropFiles       []string `json:",omitempty"` | 
 |  | 
 | 	EnableUffdGc *string `json:",omitempty"` | 
 |  | 
 | 	BoardAvbEnable                         *bool    `json:",omitempty"` | 
 | 	BoardAvbSystemAddHashtreeFooterArgs    []string `json:",omitempty"` | 
 | 	DeviceFrameworkCompatibilityMatrixFile []string `json:",omitempty"` | 
 | 	DeviceProductCompatibilityMatrixFile   []string `json:",omitempty"` | 
 | } | 
 |  | 
 | type PartitionQualifiedVariablesType struct { | 
 | 	BuildingImage               bool   `json:",omitempty"` | 
 | 	BoardErofsCompressor        string `json:",omitempty"` | 
 | 	BoardErofsCompressHints     string `json:",omitempty"` | 
 | 	BoardErofsPclusterSize      string `json:",omitempty"` | 
 | 	BoardExtfsInodeCount        string `json:",omitempty"` | 
 | 	BoardExtfsRsvPct            string `json:",omitempty"` | 
 | 	BoardF2fsSloadCompressFlags string `json:",omitempty"` | 
 | 	BoardFileSystemCompress     string `json:",omitempty"` | 
 | 	BoardFileSystemType         string `json:",omitempty"` | 
 | 	BoardJournalSize            string `json:",omitempty"` | 
 | 	BoardPartitionReservedSize  string `json:",omitempty"` | 
 | 	BoardPartitionSize          string `json:",omitempty"` | 
 | 	BoardSquashfsBlockSize      string `json:",omitempty"` | 
 | 	BoardSquashfsCompressor     string `json:",omitempty"` | 
 | 	BoardSquashfsCompressorOpt  string `json:",omitempty"` | 
 | 	BoardSquashfsDisable4kAlign string `json:",omitempty"` | 
 | 	ProductBaseFsPath           string `json:",omitempty"` | 
 | 	ProductHeadroom             string `json:",omitempty"` | 
 | 	ProductVerityPartition      string `json:",omitempty"` | 
 |  | 
 | 	BoardAvbAddHashtreeFooterArgs string `json:",omitempty"` | 
 | 	BoardAvbKeyPath               string `json:",omitempty"` | 
 | 	BoardAvbAlgorithm             string `json:",omitempty"` | 
 | 	BoardAvbRollbackIndex         string `json:",omitempty"` | 
 | 	BoardAvbRollbackIndexLocation string `json:",omitempty"` | 
 | } | 
 |  | 
 | type PartitionVariables struct { | 
 | 	ProductDirectory            string `json:",omitempty"` | 
 | 	PartitionQualifiedVariables map[string]PartitionQualifiedVariablesType | 
 | 	TargetUserimagesUseExt2     bool `json:",omitempty"` | 
 | 	TargetUserimagesUseExt3     bool `json:",omitempty"` | 
 | 	TargetUserimagesUseExt4     bool `json:",omitempty"` | 
 |  | 
 | 	TargetUserimagesSparseExtDisabled      bool `json:",omitempty"` | 
 | 	TargetUserimagesSparseErofsDisabled    bool `json:",omitempty"` | 
 | 	TargetUserimagesSparseSquashfsDisabled bool `json:",omitempty"` | 
 | 	TargetUserimagesSparseF2fsDisabled     bool `json:",omitempty"` | 
 |  | 
 | 	BoardErofsCompressor           string `json:",omitempty"` | 
 | 	BoardErofsCompressorHints      string `json:",omitempty"` | 
 | 	BoardErofsPclusterSize         string `json:",omitempty"` | 
 | 	BoardErofsShareDupBlocks       string `json:",omitempty"` | 
 | 	BoardErofsUseLegacyCompression string `json:",omitempty"` | 
 | 	BoardExt4ShareDupBlocks        string `json:",omitempty"` | 
 | 	BoardFlashLogicalBlockSize     string `json:",omitempty"` | 
 | 	BoardFlashEraseBlockSize       string `json:",omitempty"` | 
 | 	BoardUsesRecoveryAsBoot        bool   `json:",omitempty"` | 
 | 	ProductUseDynamicPartitionSize bool   `json:",omitempty"` | 
 | 	CopyImagesForTargetFilesZip    bool   `json:",omitempty"` | 
 |  | 
 | 	BoardAvbEnable bool `json:",omitempty"` | 
 |  | 
 | 	ProductPackages []string `json:",omitempty"` | 
 | } | 
 |  | 
 | func boolPtr(v bool) *bool { | 
 | 	return &v | 
 | } | 
 |  | 
 | func intPtr(v int) *int { | 
 | 	return &v | 
 | } | 
 |  | 
 | func stringPtr(v string) *string { | 
 | 	return &v | 
 | } | 
 |  | 
 | func (v *ProductVariables) SetDefaultConfig() { | 
 | 	*v = ProductVariables{ | 
 | 		BuildNumberFile: stringPtr("build_number.txt"), | 
 |  | 
 | 		Platform_version_name:                  stringPtr("S"), | 
 | 		Platform_base_sdk_extension_version:    intPtr(30), | 
 | 		Platform_sdk_version:                   intPtr(30), | 
 | 		Platform_sdk_codename:                  stringPtr("S"), | 
 | 		Platform_sdk_final:                     boolPtr(false), | 
 | 		Platform_version_active_codenames:      []string{"S"}, | 
 | 		Platform_version_all_preview_codenames: []string{"S"}, | 
 |  | 
 | 		HostArch:                    stringPtr("x86_64"), | 
 | 		HostSecondaryArch:           stringPtr("x86"), | 
 | 		DeviceName:                  stringPtr("generic_arm64"), | 
 | 		DeviceProduct:               stringPtr("aosp_arm-eng"), | 
 | 		DeviceArch:                  stringPtr("arm64"), | 
 | 		DeviceArchVariant:           stringPtr("armv8-a"), | 
 | 		DeviceCpuVariant:            stringPtr("generic"), | 
 | 		DeviceAbi:                   []string{"arm64-v8a"}, | 
 | 		DeviceSecondaryArch:         stringPtr("arm"), | 
 | 		DeviceSecondaryArchVariant:  stringPtr("armv8-a"), | 
 | 		DeviceSecondaryCpuVariant:   stringPtr("generic"), | 
 | 		DeviceSecondaryAbi:          []string{"armeabi-v7a", "armeabi"}, | 
 | 		DeviceMaxPageSizeSupported:  stringPtr("4096"), | 
 | 		DeviceNoBionicPageSizeMacro: boolPtr(false), | 
 |  | 
 | 		AAPTConfig:          []string{"normal", "large", "xlarge", "hdpi", "xhdpi", "xxhdpi"}, | 
 | 		AAPTPreferredConfig: stringPtr("xhdpi"), | 
 | 		AAPTCharacteristics: stringPtr("nosdcard"), | 
 | 		AAPTPrebuiltDPI:     []string{"xhdpi", "xxhdpi"}, | 
 |  | 
 | 		Malloc_low_memory:            boolPtr(false), | 
 | 		Malloc_zero_contents:         boolPtr(true), | 
 | 		Malloc_pattern_fill_contents: boolPtr(false), | 
 | 		Safestack:                    boolPtr(false), | 
 | 		TrimmedApex:                  boolPtr(false), | 
 | 		Build_from_text_stub:         boolPtr(false), | 
 |  | 
 | 		BootJars:     ConfiguredJarList{apexes: []string{}, jars: []string{}}, | 
 | 		ApexBootJars: ConfiguredJarList{apexes: []string{}, jars: []string{}}, | 
 | 	} | 
 |  | 
 | 	if runtime.GOOS == "linux" { | 
 | 		v.CrossHost = stringPtr("windows") | 
 | 		v.CrossHostArch = stringPtr("x86") | 
 | 		v.CrossHostSecondaryArch = stringPtr("x86_64") | 
 | 	} | 
 | } | 
 |  | 
 | func (this *ProductVariables) GetBuildFlagBool(flag string) bool { | 
 | 	val, ok := this.BuildFlags[flag] | 
 | 	if !ok { | 
 | 		return false | 
 | 	} | 
 | 	return val == "true" | 
 | } | 
 |  | 
 | func VariableMutator(mctx BottomUpMutatorContext) { | 
 | 	var module Module | 
 | 	var ok bool | 
 | 	if module, ok = mctx.Module().(Module); !ok { | 
 | 		return | 
 | 	} | 
 |  | 
 | 	// TODO: depend on config variable, create variants, propagate variants up tree | 
 | 	a := module.base() | 
 |  | 
 | 	if a.variableProperties == nil { | 
 | 		return | 
 | 	} | 
 |  | 
 | 	variableValues := reflect.ValueOf(a.variableProperties).Elem().FieldByName("Product_variables") | 
 |  | 
 | 	productVariables := reflect.ValueOf(mctx.Config().productVariables) | 
 |  | 
 | 	for i := 0; i < variableValues.NumField(); i++ { | 
 | 		variableValue := variableValues.Field(i) | 
 | 		name := variableValues.Type().Field(i).Name | 
 | 		property := "product_variables." + proptools.PropertyNameForField(name) | 
 |  | 
 | 		// Check that the variable was set for the product | 
 | 		val := productVariables.FieldByName(name) | 
 | 		if !val.IsValid() || val.Kind() != reflect.Ptr || val.IsNil() { | 
 | 			continue | 
 | 		} | 
 |  | 
 | 		val = val.Elem() | 
 |  | 
 | 		// For bools, check that the value is true | 
 | 		if val.Kind() == reflect.Bool && val.Bool() == false { | 
 | 			continue | 
 | 		} | 
 |  | 
 | 		// Check if any properties were set for the module | 
 | 		if variableValue.IsZero() { | 
 | 			continue | 
 | 		} | 
 | 		a.setVariableProperties(mctx, property, variableValue, val.Interface()) | 
 | 	} | 
 | } | 
 |  | 
 | func (m *ModuleBase) setVariableProperties(ctx BottomUpMutatorContext, | 
 | 	prefix string, productVariablePropertyValue reflect.Value, variableValue interface{}) { | 
 |  | 
 | 	printfIntoProperties(ctx, prefix, productVariablePropertyValue, variableValue) | 
 |  | 
 | 	err := proptools.AppendMatchingProperties(m.GetProperties(), | 
 | 		productVariablePropertyValue.Addr().Interface(), nil) | 
 | 	if err != nil { | 
 | 		if propertyErr, ok := err.(*proptools.ExtendPropertyError); ok { | 
 | 			ctx.PropertyErrorf(propertyErr.Property, "%s", propertyErr.Err.Error()) | 
 | 		} else { | 
 | 			panic(err) | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | func printfIntoPropertiesError(ctx BottomUpMutatorContext, prefix string, | 
 | 	productVariablePropertyValue reflect.Value, i int, err error) { | 
 |  | 
 | 	field := productVariablePropertyValue.Type().Field(i).Name | 
 | 	property := prefix + "." + proptools.PropertyNameForField(field) | 
 | 	ctx.PropertyErrorf(property, "%s", err) | 
 | } | 
 |  | 
 | func printfIntoProperties(ctx BottomUpMutatorContext, prefix string, | 
 | 	productVariablePropertyValue reflect.Value, variableValue interface{}) { | 
 |  | 
 | 	for i := 0; i < productVariablePropertyValue.NumField(); i++ { | 
 | 		propertyValue := productVariablePropertyValue.Field(i) | 
 | 		kind := propertyValue.Kind() | 
 | 		if kind == reflect.Ptr { | 
 | 			if propertyValue.IsNil() { | 
 | 				continue | 
 | 			} | 
 | 			propertyValue = propertyValue.Elem() | 
 | 		} | 
 | 		switch propertyValue.Kind() { | 
 | 		case reflect.String: | 
 | 			err := printfIntoProperty(propertyValue, variableValue) | 
 | 			if err != nil { | 
 | 				printfIntoPropertiesError(ctx, prefix, productVariablePropertyValue, i, err) | 
 | 			} | 
 | 		case reflect.Slice: | 
 | 			for j := 0; j < propertyValue.Len(); j++ { | 
 | 				err := printfIntoProperty(propertyValue.Index(j), variableValue) | 
 | 				if err != nil { | 
 | 					printfIntoPropertiesError(ctx, prefix, productVariablePropertyValue, i, err) | 
 | 				} | 
 | 			} | 
 | 		case reflect.Bool: | 
 | 			// Nothing | 
 | 		case reflect.Struct: | 
 | 			printfIntoProperties(ctx, prefix, propertyValue, variableValue) | 
 | 		default: | 
 | 			panic(fmt.Errorf("unsupported field kind %q", propertyValue.Kind())) | 
 | 		} | 
 | 	} | 
 | } | 
 |  | 
 | func printfIntoProperty(propertyValue reflect.Value, variableValue interface{}) error { | 
 | 	s := propertyValue.String() | 
 |  | 
 | 	count := strings.Count(s, "%") | 
 | 	if count == 0 { | 
 | 		return nil | 
 | 	} | 
 |  | 
 | 	if count > 1 { | 
 | 		return fmt.Errorf("product variable properties only support a single '%%'") | 
 | 	} | 
 |  | 
 | 	if strings.Contains(s, "%d") { | 
 | 		switch v := variableValue.(type) { | 
 | 		case int: | 
 | 			// Nothing | 
 | 		case bool: | 
 | 			if v { | 
 | 				variableValue = 1 | 
 | 			} else { | 
 | 				variableValue = 0 | 
 | 			} | 
 | 		default: | 
 | 			return fmt.Errorf("unsupported type %T for %%d", variableValue) | 
 | 		} | 
 | 	} else if strings.Contains(s, "%s") { | 
 | 		switch variableValue.(type) { | 
 | 		case string: | 
 | 			// Nothing | 
 | 		default: | 
 | 			return fmt.Errorf("unsupported type %T for %%s", variableValue) | 
 | 		} | 
 | 	} else { | 
 | 		return fmt.Errorf("unsupported %% in product variable property") | 
 | 	} | 
 |  | 
 | 	propertyValue.Set(reflect.ValueOf(fmt.Sprintf(s, variableValue))) | 
 |  | 
 | 	return nil | 
 | } | 
 |  | 
 | var variablePropTypeMap OncePer | 
 |  | 
 | // sliceToTypeArray takes a slice of property structs and returns a reflection created array containing the | 
 | // reflect.Types of each property struct.  The result can be used as a key in a map. | 
 | func sliceToTypeArray(s []interface{}) interface{} { | 
 | 	// Create an array using reflection whose length is the length of the input slice | 
 | 	ret := reflect.New(reflect.ArrayOf(len(s), reflect.TypeOf(reflect.TypeOf(0)))).Elem() | 
 | 	for i, e := range s { | 
 | 		ret.Index(i).Set(reflect.ValueOf(reflect.TypeOf(e))) | 
 | 	} | 
 | 	return ret.Interface() | 
 | } | 
 |  | 
 | func initProductVariableModule(m Module) { | 
 | 	base := m.base() | 
 |  | 
 | 	// Allow tests to override the default product variables | 
 | 	if base.variableProperties == nil { | 
 | 		base.variableProperties = defaultProductVariables | 
 | 	} | 
 | 	// Filter the product variables properties to the ones that exist on this module | 
 | 	base.variableProperties = createVariableProperties(m.GetProperties(), base.variableProperties) | 
 | 	if base.variableProperties != nil { | 
 | 		m.AddProperties(base.variableProperties) | 
 | 	} | 
 | } | 
 |  | 
 | // createVariableProperties takes the list of property structs for a module and returns a property struct that | 
 | // contains the product variable properties that exist in the property structs, or nil if there are none.  It | 
 | // caches the result. | 
 | func createVariableProperties(moduleTypeProps []interface{}, productVariables interface{}) interface{} { | 
 | 	// Convert the moduleTypeProps to an array of reflect.Types that can be used as a key in the OncePer. | 
 | 	key := sliceToTypeArray(moduleTypeProps) | 
 |  | 
 | 	// Use the variablePropTypeMap OncePer to cache the result for each set of property struct types. | 
 | 	typ, _ := variablePropTypeMap.Once(NewCustomOnceKey(key), func() interface{} { | 
 | 		// Compute the filtered property struct type. | 
 | 		return createVariablePropertiesType(moduleTypeProps, productVariables) | 
 | 	}).(reflect.Type) | 
 |  | 
 | 	if typ == nil { | 
 | 		return nil | 
 | 	} | 
 |  | 
 | 	// Create a new pointer to a filtered property struct. | 
 | 	return reflect.New(typ).Interface() | 
 | } | 
 |  | 
 | // createVariablePropertiesType creates a new type that contains only the product variable properties that exist in | 
 | // a list of property structs. | 
 | func createVariablePropertiesType(moduleTypeProps []interface{}, productVariables interface{}) reflect.Type { | 
 | 	typ, _ := proptools.FilterPropertyStruct(reflect.TypeOf(productVariables), | 
 | 		func(field reflect.StructField, prefix string) (bool, reflect.StructField) { | 
 | 			// Filter function, returns true if the field should be in the resulting struct | 
 | 			if prefix == "" { | 
 | 				// Keep the top level Product_variables field | 
 | 				return true, field | 
 | 			} | 
 | 			_, rest := splitPrefix(prefix) | 
 | 			if rest == "" { | 
 | 				// Keep the 2nd level field (i.e. Product_variables.Eng) | 
 | 				return true, field | 
 | 			} | 
 |  | 
 | 			// Strip off the first 2 levels of the prefix | 
 | 			_, prefix = splitPrefix(rest) | 
 |  | 
 | 			for _, p := range moduleTypeProps { | 
 | 				if fieldExistsByNameRecursive(reflect.TypeOf(p).Elem(), prefix, field.Name) { | 
 | 					// Keep any fields that exist in one of the property structs | 
 | 					return true, field | 
 | 				} | 
 | 			} | 
 |  | 
 | 			return false, field | 
 | 		}) | 
 | 	return typ | 
 | } | 
 |  | 
 | func splitPrefix(prefix string) (first, rest string) { | 
 | 	index := strings.IndexByte(prefix, '.') | 
 | 	if index == -1 { | 
 | 		return prefix, "" | 
 | 	} | 
 | 	return prefix[:index], prefix[index+1:] | 
 | } | 
 |  | 
 | func fieldExistsByNameRecursive(t reflect.Type, prefix, name string) bool { | 
 | 	if t.Kind() != reflect.Struct { | 
 | 		panic(fmt.Errorf("fieldExistsByNameRecursive can only be called on a reflect.Struct")) | 
 | 	} | 
 |  | 
 | 	if prefix != "" { | 
 | 		split := strings.SplitN(prefix, ".", 2) | 
 | 		firstPrefix := split[0] | 
 | 		rest := "" | 
 | 		if len(split) > 1 { | 
 | 			rest = split[1] | 
 | 		} | 
 | 		f, exists := t.FieldByName(firstPrefix) | 
 | 		if !exists { | 
 | 			return false | 
 | 		} | 
 | 		ft := f.Type | 
 | 		if ft.Kind() == reflect.Ptr { | 
 | 			ft = ft.Elem() | 
 | 		} | 
 | 		if ft.Kind() != reflect.Struct { | 
 | 			panic(fmt.Errorf("field %q in %q is not a struct", firstPrefix, t)) | 
 | 		} | 
 | 		return fieldExistsByNameRecursive(ft, rest, name) | 
 | 	} else { | 
 | 		_, exists := t.FieldByName(name) | 
 | 		return exists | 
 | 	} | 
 | } |