// Copyright 2021 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 ( "bufio" "errors" "fmt" "io/ioutil" "path/filepath" "strings" "github.com/google/blueprint" "github.com/google/blueprint/proptools" ) type bazelModuleProperties struct { // The label of the Bazel target replacing this Soong module. When run in conversion mode, this // will import the handcrafted build target into the autogenerated file. Note: this may result in // a conflict due to duplicate targets if bp2build_available is also set. Label *string // If true, bp2build will generate the converted Bazel target for this module. Note: this may // cause a conflict due to the duplicate targets if label is also set. // // This is a bool pointer to support tristates: true, false, not set. // // To opt-in a module, set bazel_module: { bp2build_available: true } // To opt-out a module, set bazel_module: { bp2build_available: false } // To defer the default setting for the directory, do not set the value. Bp2build_available *bool // CanConvertToBazel is set via InitBazelModule to indicate that a module type can be converted to // Bazel with Bp2build. CanConvertToBazel bool `blueprint:"mutated"` } // Properties contains common module properties for Bazel migration purposes. type properties struct { // In USE_BAZEL_ANALYSIS=1 mode, this represents the Bazel target replacing // this Soong module. Bazel_module bazelModuleProperties } // namespacedVariableProperties is a map from a string representing a Soong // config variable namespace, like "android" or "vendor_name" to a slice of // pointer to a struct containing a single field called Soong_config_variables // whose value mirrors the structure in the Blueprint file. type namespacedVariableProperties map[string][]interface{} // BazelModuleBase contains the property structs with metadata for modules which can be converted to // Bazel. type BazelModuleBase struct { bazelProperties properties // namespacedVariableProperties is used for soong_config_module_type support // in bp2build. Soong config modules allow users to set module properties // based on custom product variables defined in Android.bp files. These // variables are namespaced to prevent clobbering, especially when set from // Makefiles. namespacedVariableProperties namespacedVariableProperties // baseModuleType is set when this module was created from a module type // defined by a soong_config_module_type. Every soong_config_module_type // "wraps" another module type, e.g. a soong_config_module_type can wrap a // cc_defaults to a custom_cc_defaults, or cc_binary to a custom_cc_binary. // This baseModuleType is set to the wrapped module type. baseModuleType string } // Bazelable is specifies the interface for modules that can be converted to Bazel. type Bazelable interface { bazelProps() *properties HasHandcraftedLabel() bool HandcraftedLabel() string GetBazelLabel(ctx BazelConversionPathContext, module blueprint.Module) string ShouldConvertWithBp2build(ctx BazelConversionContext) bool shouldConvertWithBp2build(ctx BazelConversionContext, module blueprint.Module) bool GetBazelBuildFileContents(c Config, path, name string) (string, error) ConvertWithBp2build(ctx TopDownMutatorContext) // namespacedVariableProps is a map from a soong config variable namespace // (e.g. acme, android) to a map of interfaces{}, which are really // reflect.Struct pointers, representing the value of the // soong_config_variables property of a module. The struct pointer is the // one with the single member called Soong_config_variables, which itself is // a struct containing fields for each supported feature in that namespace. // // The reason for using an slice of interface{} is to support defaults // propagation of the struct pointers. namespacedVariableProps() namespacedVariableProperties setNamespacedVariableProps(props namespacedVariableProperties) BaseModuleType() string SetBaseModuleType(baseModuleType string) } // BazelModule is a lightweight wrapper interface around Module for Bazel-convertible modules. type BazelModule interface { Module Bazelable } // InitBazelModule is a wrapper function that decorates a BazelModule with Bazel-conversion // properties. func InitBazelModule(module BazelModule) { module.AddProperties(module.bazelProps()) module.bazelProps().Bazel_module.CanConvertToBazel = true } // bazelProps returns the Bazel properties for the given BazelModuleBase. func (b *BazelModuleBase) bazelProps() *properties { return &b.bazelProperties } func (b *BazelModuleBase) namespacedVariableProps() namespacedVariableProperties { return b.namespacedVariableProperties } func (b *BazelModuleBase) setNamespacedVariableProps(props namespacedVariableProperties) { b.namespacedVariableProperties = props } func (b *BazelModuleBase) BaseModuleType() string { return b.baseModuleType } func (b *BazelModuleBase) SetBaseModuleType(baseModuleType string) { b.baseModuleType = baseModuleType } // HasHandcraftedLabel returns whether this module has a handcrafted Bazel label. func (b *BazelModuleBase) HasHandcraftedLabel() bool { return b.bazelProperties.Bazel_module.Label != nil } // HandcraftedLabel returns the handcrafted label for this module, or empty string if there is none func (b *BazelModuleBase) HandcraftedLabel() string { return proptools.String(b.bazelProperties.Bazel_module.Label) } // GetBazelLabel returns the Bazel label for the given BazelModuleBase. func (b *BazelModuleBase) GetBazelLabel(ctx BazelConversionPathContext, module blueprint.Module) string { if b.HasHandcraftedLabel() { return b.HandcraftedLabel() } if b.ShouldConvertWithBp2build(ctx) { return bp2buildModuleLabel(ctx, module) } return "" // no label for unconverted module } // Configuration to decide if modules in a directory should default to true/false for bp2build_available type Bp2BuildConfig map[string]BazelConversionConfigEntry type BazelConversionConfigEntry int const ( // A sentinel value to be used as a key in Bp2BuildConfig for modules with // no package path. This is also the module dir for top level Android.bp // modules. BP2BUILD_TOPLEVEL = "." // iota + 1 ensures that the int value is not 0 when used in the Bp2buildAllowlist map, // which can also mean that the key doesn't exist in a lookup. // all modules in this package and subpackages default to bp2build_available: true. // allows modules to opt-out. Bp2BuildDefaultTrueRecursively BazelConversionConfigEntry = iota + 1 // all modules in this package (not recursively) default to bp2build_available: true. // allows modules to opt-out. Bp2BuildDefaultTrue // all modules in this package (not recursively) default to bp2build_available: false. // allows modules to opt-in. Bp2BuildDefaultFalse ) var ( // Keep any existing BUILD files (and do not generate new BUILD files) for these directories // in the synthetic Bazel workspace. bp2buildKeepExistingBuildFile = map[string]bool{ // This is actually build/bazel/build.BAZEL symlinked to ./BUILD ".":/*recursive = */ false, // build/bazel/examples/apex/... BUILD files should be generated, so // build/bazel is not recursive. Instead list each subdirectory under // build/bazel explicitly. "build/bazel":/* recursive = */ false, "build/bazel/examples/android_app":/* recursive = */ true, "build/bazel/examples/java":/* recursive = */ true, "build/bazel/bazel_skylib":/* recursive = */ true, "build/bazel/rules":/* recursive = */ true, "build/bazel/rules_cc":/* recursive = */ true, "build/bazel/scripts":/* recursive = */ true, "build/bazel/tests":/* recursive = */ true, "build/bazel/platforms":/* recursive = */ true, "build/bazel/product_variables":/* recursive = */ true, "build/bazel_common_rules":/* recursive = */ true, // build/make/tools/signapk BUILD file is generated, so build/make/tools is not recursive. "build/make/tools":/* recursive = */ false, "build/pesto":/* recursive = */ true, // external/bazelbuild-rules_android/... is needed by mixed builds, otherwise mixed builds analysis fails // e.g. ERROR: Analysis of target '@soong_injection//mixed_builds:buildroot' failed "external/bazelbuild-rules_android":/* recursive = */ true, "external/bazel-skylib":/* recursive = */ true, "external/guava":/* recursive = */ true, "external/error_prone":/* recursive = */ true, "external/jsr305":/* recursive = */ true, "frameworks/ex/common":/* recursive = */ true, "packages/apps/Music":/* recursive = */ true, "packages/apps/QuickSearchBox":/* recursive = */ true, "packages/apps/WallpaperPicker":/* recursive = */ false, "prebuilts/gcc":/* recursive = */ true, "prebuilts/sdk":/* recursive = */ false, "prebuilts/sdk/current/extras/app-toolkit":/* recursive = */ false, "prebuilts/sdk/current/support":/* recursive = */ false, "prebuilts/sdk/tools":/* recursive = */ false, "prebuilts/r8":/* recursive = */ false, } // Configure modules in these directories to enable bp2build_available: true or false by default. bp2buildDefaultConfig = Bp2BuildConfig{ "art/libdexfile": Bp2BuildDefaultTrueRecursively, "art/runtime": Bp2BuildDefaultTrueRecursively, "art/tools": Bp2BuildDefaultTrue, "bionic": Bp2BuildDefaultTrueRecursively, "bootable/recovery/tools/recovery_l10n": Bp2BuildDefaultTrue, "build/bazel/examples/soong_config_variables": Bp2BuildDefaultTrueRecursively, "build/bazel/examples/apex/minimal": Bp2BuildDefaultTrueRecursively, "build/make/tools/signapk": Bp2BuildDefaultTrue, "build/soong": Bp2BuildDefaultTrue, "build/soong/cc/libbuildversion": Bp2BuildDefaultTrue, // Skip tests subdir "build/soong/cc/ndkstubgen": Bp2BuildDefaultTrue, "build/soong/cc/symbolfile": Bp2BuildDefaultTrue, "build/soong/linkerconfig": Bp2BuildDefaultTrueRecursively, "build/soong/scripts": Bp2BuildDefaultTrueRecursively, "cts/common/device-side/nativetesthelper/jni": Bp2BuildDefaultTrueRecursively, "development/apps/DevelopmentSettings": Bp2BuildDefaultTrue, "development/apps/Fallback": Bp2BuildDefaultTrue, "development/apps/WidgetPreview": Bp2BuildDefaultTrue, "development/samples/BasicGLSurfaceView": Bp2BuildDefaultTrue, "development/samples/BluetoothChat": Bp2BuildDefaultTrue, "development/samples/BrokenKeyDerivation": Bp2BuildDefaultTrue, "development/samples/Compass": Bp2BuildDefaultTrue, "development/samples/ContactManager": Bp2BuildDefaultTrue, "development/samples/FixedGridLayout": Bp2BuildDefaultTrue, "development/samples/HelloEffects": Bp2BuildDefaultTrue, "development/samples/Home": Bp2BuildDefaultTrue, "development/samples/HoneycombGallery": Bp2BuildDefaultTrue, "development/samples/JetBoy": Bp2BuildDefaultTrue, "development/samples/KeyChainDemo": Bp2BuildDefaultTrue, "development/samples/LceDemo": Bp2BuildDefaultTrue, "development/samples/LunarLander": Bp2BuildDefaultTrue, "development/samples/MultiResolution": Bp2BuildDefaultTrue, "development/samples/MultiWindow": Bp2BuildDefaultTrue, "development/samples/NotePad": Bp2BuildDefaultTrue, "development/samples/Obb": Bp2BuildDefaultTrue, "development/samples/RSSReader": Bp2BuildDefaultTrue, "development/samples/ReceiveShareDemo": Bp2BuildDefaultTrue, "development/samples/SearchableDictionary": Bp2BuildDefaultTrue, "development/samples/SipDemo": Bp2BuildDefaultTrue, "development/samples/SkeletonApp": Bp2BuildDefaultTrue, "development/samples/Snake": Bp2BuildDefaultTrue, "development/samples/SpellChecker/": Bp2BuildDefaultTrueRecursively, "development/samples/ThemedNavBarKeyboard": Bp2BuildDefaultTrue, "development/samples/ToyVpn": Bp2BuildDefaultTrue, "development/samples/TtsEngine": Bp2BuildDefaultTrue, "development/samples/USB/AdbTest": Bp2BuildDefaultTrue, "development/samples/USB/MissileLauncher": Bp2BuildDefaultTrue, "development/samples/VoiceRecognitionService": Bp2BuildDefaultTrue, "development/samples/VoicemailProviderDemo": Bp2BuildDefaultTrue, "development/sdk": Bp2BuildDefaultTrueRecursively, "external/arm-optimized-routines": Bp2BuildDefaultTrueRecursively, "external/boringssl": Bp2BuildDefaultTrueRecursively, "external/bouncycastle": Bp2BuildDefaultTrue, "external/brotli": Bp2BuildDefaultTrue, "external/conscrypt": Bp2BuildDefaultTrue, "external/fmtlib": Bp2BuildDefaultTrueRecursively, "external/google-benchmark": Bp2BuildDefaultTrueRecursively, "external/googletest": Bp2BuildDefaultTrueRecursively, "external/gwp_asan": Bp2BuildDefaultTrueRecursively, "external/jemalloc_new": Bp2BuildDefaultTrueRecursively, "external/jsoncpp": Bp2BuildDefaultTrueRecursively, "external/libcap": Bp2BuildDefaultTrueRecursively, "external/libcxx": Bp2BuildDefaultTrueRecursively, "external/libcxxabi": Bp2BuildDefaultTrueRecursively, "external/libevent": Bp2BuildDefaultTrueRecursively, "external/libpng": Bp2BuildDefaultTrueRecursively, "external/lz4/lib": Bp2BuildDefaultTrue, "external/lzma/C": Bp2BuildDefaultTrueRecursively, "external/mdnsresponder": Bp2BuildDefaultTrueRecursively, "external/minijail": Bp2BuildDefaultTrueRecursively, "external/pcre": Bp2BuildDefaultTrueRecursively, "external/protobuf": Bp2BuildDefaultTrueRecursively, "external/python/six": Bp2BuildDefaultTrueRecursively, "external/scudo": Bp2BuildDefaultTrueRecursively, "external/selinux/libselinux": Bp2BuildDefaultTrueRecursively, "external/selinux/libsepol": Bp2BuildDefaultTrueRecursively, "external/zlib": Bp2BuildDefaultTrueRecursively, "external/zstd": Bp2BuildDefaultTrueRecursively, "frameworks/base/media/tests/MediaDump": Bp2BuildDefaultTrue, "frameworks/base/startop/apps/test": Bp2BuildDefaultTrue, "frameworks/native/libs/adbd_auth": Bp2BuildDefaultTrueRecursively, "frameworks/native/opengl/tests/gl2_cameraeye": Bp2BuildDefaultTrue, "frameworks/native/opengl/tests/gl2_java": Bp2BuildDefaultTrue, "frameworks/native/opengl/tests/testLatency": Bp2BuildDefaultTrue, "frameworks/native/opengl/tests/testPauseResume": Bp2BuildDefaultTrue, "frameworks/native/opengl/tests/testViewport": Bp2BuildDefaultTrue, "frameworks/proto_logging/stats/stats_log_api_gen": Bp2BuildDefaultTrueRecursively, "libnativehelper": Bp2BuildDefaultTrueRecursively, "packages/apps/DevCamera": Bp2BuildDefaultTrue, "packages/apps/HTMLViewer": Bp2BuildDefaultTrue, "packages/apps/Protips": Bp2BuildDefaultTrue, "packages/modules/StatsD/lib/libstatssocket": Bp2BuildDefaultTrueRecursively, "packages/modules/adb": Bp2BuildDefaultTrue, "packages/modules/adb/apex": Bp2BuildDefaultTrue, "packages/modules/adb/crypto": Bp2BuildDefaultTrueRecursively, "packages/modules/adb/libs": Bp2BuildDefaultTrueRecursively, "packages/modules/adb/pairing_auth": Bp2BuildDefaultTrueRecursively, "packages/modules/adb/pairing_connection": Bp2BuildDefaultTrueRecursively, "packages/modules/adb/proto": Bp2BuildDefaultTrueRecursively, "packages/modules/adb/tls": Bp2BuildDefaultTrueRecursively, "packages/providers/MediaProvider/tools/dialogs": Bp2BuildDefaultTrue, "packages/screensavers/Basic": Bp2BuildDefaultTrue, "packages/services/Car/tests/SampleRearViewCamera": Bp2BuildDefaultTrue, "prebuilts/clang/host/linux-x86": Bp2BuildDefaultTrueRecursively, "system/apex": Bp2BuildDefaultFalse, // TODO(b/207466993): flaky failures "system/apex/proto": Bp2BuildDefaultTrueRecursively, "system/apex/libs": Bp2BuildDefaultTrueRecursively, "system/core/debuggerd": Bp2BuildDefaultTrueRecursively, "system/core/diagnose_usb": Bp2BuildDefaultTrueRecursively, "system/core/libasyncio": Bp2BuildDefaultTrue, "system/core/libcrypto_utils": Bp2BuildDefaultTrueRecursively, "system/core/libcutils": Bp2BuildDefaultTrueRecursively, "system/core/libpackagelistparser": Bp2BuildDefaultTrueRecursively, "system/core/libprocessgroup": Bp2BuildDefaultTrue, "system/core/libprocessgroup/cgrouprc": Bp2BuildDefaultTrue, "system/core/libprocessgroup/cgrouprc_format": Bp2BuildDefaultTrue, "system/core/libsystem": Bp2BuildDefaultTrueRecursively, "system/core/libutils": Bp2BuildDefaultTrueRecursively, "system/core/libvndksupport": Bp2BuildDefaultTrueRecursively, "system/core/property_service/libpropertyinfoparser": Bp2BuildDefaultTrueRecursively, "system/libbase": Bp2BuildDefaultTrueRecursively, "system/libprocinfo": Bp2BuildDefaultTrue, "system/libziparchive": Bp2BuildDefaultTrueRecursively, "system/logging/liblog": Bp2BuildDefaultTrueRecursively, "system/sepolicy/apex": Bp2BuildDefaultTrueRecursively, "system/timezone/apex": Bp2BuildDefaultTrueRecursively, "system/timezone/output_data": Bp2BuildDefaultTrueRecursively, "system/unwinding/libbacktrace": Bp2BuildDefaultTrueRecursively, "system/unwinding/libunwindstack": Bp2BuildDefaultTrueRecursively, "tools/apksig": Bp2BuildDefaultTrue, "tools/platform-compat/java/android/compat": Bp2BuildDefaultTrueRecursively, } // Per-module denylist to always opt modules out of both bp2build and mixed builds. bp2buildModuleDoNotConvertList = []string{ "libnativehelper_compat_libc", // Broken compile: implicit declaration of function 'strerror_r' is invalid in C99 "libart", // depends on unconverted modules: art_operator_srcs, libodrstatslog, libelffile, art_cmdlineparser_headers, cpp-define-generator-definitions, libcpu_features, libdexfile, libartpalette, libbacktrace, libnativebridge, libnativeloader, libsigchain, libunwindstack, libartbase, libprofile, cpp-define-generator-asm-support, apex-info-list-tinyxml, libtinyxml2, libnativeloader-headers, libstatssocket, heapprofd_client_api "libart-runtime-gtest", // depends on unconverted modules: libgtest_isolated, libart-compiler, libdexfile, libprofile, libartbase, libbacktrace, libartbase-art-gtest "libart_headers", // depends on unconverted modules: art_libartbase_headers "libartd", // depends on unconverted modules: apex-info-list-tinyxml, libtinyxml2, libnativeloader-headers, libstatssocket, heapprofd_client_api, art_operator_srcs, libodrstatslog, libelffiled, art_cmdlineparser_headers, cpp-define-generator-definitions, libcpu_features, libdexfiled, libartpalette, libbacktrace, libnativebridge, libnativeloader, libsigchain, libunwindstack, libartbased, libprofiled, cpp-define-generator-asm-support "libartd-runtime-gtest", // depends on unconverted modules: libgtest_isolated, libartd-compiler, libdexfiled, libprofiled, libartbased, libbacktrace, libartbased-art-gtest "libstatslog_art", // depends on unconverted modules: statslog_art.cpp, statslog_art.h "statslog_art.h", "statslog_art.cpp", // depends on unconverted modules: stats-log-api-gen "libandroid_runtime_lazy", // depends on unconverted modules: libbinder_headers "libcmd", // depends on unconverted modules: libbinder "libdexfile_support_static", // Depends on unconverted module: libdexfile_external_headers "libunwindstack_local", "libunwindstack_utils", "libc_malloc_debug", "libfdtrack", // Depends on unconverted module: libunwindstack "libdexfile_support", // TODO(b/210546943): Enabled based on product variables. "libdexfile_external_headers", // TODO(b/210546943): Enabled based on product variables. "libunwindstack", // Depends on unconverted module libdexfile_support. "libnativehelper_compat_libc++", // Broken compile: implicit declaration of function 'strerror_r' is invalid in C99 "chkcon", "sefcontext_compile", // depends on unconverted modules: libsepol "libsepol", // TODO(b/207408632): Unsupported case of .l sources in cc library rules "gen-kotlin-build-file.py", // module has same name as source "libactivitymanager_aidl", // TODO(b/207426160): Depends on activity_manager_procstate_aidl, which is an aidl filegroup. "libnativehelper_lazy_mts_jni", "libnativehelper_mts_jni", // depends on unconverted modules: libgmock_ndk "libnativetesthelper_jni", "libgmock_main_ndk", "libgmock_ndk", // depends on unconverted module: libgtest_ndk_c++ "statslog-framework-java-gen", "statslog.cpp", "statslog.h", "statslog.rs", "statslog_header.rs", // depends on unconverted modules: stats-log-api-gen "stats-log-api-gen", // depends on unconverted modules: libstats_proto_host, libprotobuf-cpp-full "libstatslog", // depends on unconverted modules: statslog.cpp, statslog.h, ... "cmd", // depends on unconverted module packagemanager_aidl-cpp, of unsupported type aidl_interface "servicedispatcher", // depends on unconverted module android.debug_aidl, of unsupported type aidl_interface "libutilscallstack", // depends on unconverted module libbacktrace "libbacktrace", // depends on unconverted module libunwindstack "libdebuggerd_handler", // depends on unconverted module libdebuggerd_handler_core "libdebuggerd_handler_core", "libdebuggerd_handler_fallback", // depends on unconverted module libdebuggerd "unwind_for_offline", // depends on unconverted module libunwindstack_utils "libdebuggerd", // depends on unconverted modules libdexfile_support, libunwindstack, gwp_asan_crash_handler, libtombstone_proto, libprotobuf-cpp-lite "libdexfile_static", // depends on libartpalette, libartbase, libdexfile, which are of unsupported type: art_cc_library. "static_crasher", // depends on unconverted modules: libdebuggerd_handler "pbtombstone", "crash_dump", // depends on libdebuggerd, libunwindstack "libbase_ndk", // http://b/186826477, fails to link libctscamera2_jni for device (required for CtsCameraTestCases) "libprotobuf-internal-protos", // b/210751803, we don't handle path property for filegroups "libprotobuf-internal-python-srcs", // b/210751803, we don't handle path property for filegroups "libprotobuf-java-full", // b/210751803, we don't handle path property for filegroups "libprotobuf-java-util-full", // b/210751803, we don't handle path property for filegroups "conscrypt", // b/210751803, we don't handle path property for filegroups // python protos "libprotobuf-python", // contains .proto sources "conv_linker_config", // depends on linker_config_proto, a python lib with proto sources "apex_build_info_proto", "apex_manifest_proto", // a python lib with proto sources "linker_config_proto", // contains .proto sources "brotli-fuzzer-corpus", // b/202015218: outputs are in location incompatible with bazel genrule handling. // b/203369847: multiple genrules in the same package creating the same file // //development/sdk/... "platform_tools_properties", "build_tools_source_properties", // APEX support "com.android.runtime", // depends on unconverted modules: bionic-linker-config, linkerconfig "libgtest_ndk_c++", // b/201816222: Requires sdk_version support. "libgtest_main_ndk_c++", // b/201816222: Requires sdk_version support. "abb", // depends on unconverted modules: libcmd, libbinder "adb", // depends on unconverted modules: AdbWinApi, libadb_host, libandroidfw, libapp_processes_protos_full, libfastdeploy_host, libopenscreen-discovery, libopenscreen-platform-impl, libusb, bin2c_fastdeployagent, AdbWinUsbApi "libadb_host", // depends on unconverted modules: libopenscreen-discovery, libopenscreen-platform-impl, libusb, AdbWinApi "libfastdeploy_host", // depends on unconverted modules: libandroidfw, libusb, AdbWinApi "linker", // depends on unconverted modules: libdebuggerd_handler_fallback "linker_reloc_bench_main", // depends on unconverted modules: liblinker_reloc_bench_* "versioner", // depends on unconverted modules: libclang_cxx_host, libLLVM_host, of unsupported type llvm_host_prebuilt_library_shared "linkerconfig", // http://b/202876379 has arch-variant static_executable "mdnsd", // http://b/202876379 has arch-variant static_executable "CarHTMLViewer", // depends on unconverted modules android.car-stubs, car-ui-lib "libdexfile", // depends on unconverted modules: dexfile_operator_srcs, libartbase, libartpalette, "libdexfiled", // depends on unconverted modules: dexfile_operator_srcs, libartbased, libartpalette // go deps: "apex-protos", // depends on unconverted modules: soong_zip "host_bionic_linker_asm", // depends on extract_linker, a go binary. "host_bionic_linker_script", // depends on extract_linker, a go binary. } // Per-module denylist of cc_library modules to only generate the static // variant if their shared variant isn't ready or buildable by Bazel. bp2buildCcLibraryStaticOnlyList = []string{} // Per-module denylist to opt modules out of mixed builds. Such modules will // still be generated via bp2build. mixedBuildsDisabledList = []string{ "art_libdexfile_dex_instruction_list_header", // breaks libart_mterp.armng, header not found "libbrotli", // http://b/198585397, ld.lld: error: bionic/libc/arch-arm64/generic/bionic/memmove.S:95:(.text+0x10): relocation R_AARCH64_CONDBR19 out of range: -1404176 is not in [-1048576, 1048575]; references __memcpy "minijail_constants_json", // http://b/200899432, bazel-built cc_genrule does not work in mixed build when it is a dependency of another soong module. "cap_names.h", // TODO(b/204913827) runfiles need to be handled in mixed builds "libcap", // TODO(b/204913827) runfiles need to be handled in mixed builds "libprotobuf-cpp-full", "libprotobuf-cpp-lite", // Unsupported product&vendor suffix. b/204811222 and b/204810610. // Depends on libprotobuf-cpp-* "libadb_pairing_connection", "libadb_pairing_connection_static", "libadb_pairing_server", "libadb_pairing_server_static", } // Used for quicker lookups bp2buildModuleDoNotConvert = map[string]bool{} bp2buildCcLibraryStaticOnly = map[string]bool{} mixedBuildsDisabled = map[string]bool{} ) func init() { for _, moduleName := range bp2buildModuleDoNotConvertList { bp2buildModuleDoNotConvert[moduleName] = true } for _, moduleName := range bp2buildCcLibraryStaticOnlyList { bp2buildCcLibraryStaticOnly[moduleName] = true } for _, moduleName := range mixedBuildsDisabledList { mixedBuildsDisabled[moduleName] = true } } func GenerateCcLibraryStaticOnly(moduleName string) bool { return bp2buildCcLibraryStaticOnly[moduleName] } func ShouldKeepExistingBuildFileForDir(dir string) bool { if _, ok := bp2buildKeepExistingBuildFile[dir]; ok { // Exact dir match return true } // Check if subtree match for prefix, recursive := range bp2buildKeepExistingBuildFile { if recursive { if strings.HasPrefix(dir, prefix+"/") { return true } } } // Default return false } // MixedBuildsEnabled checks that a module is ready to be replaced by a // converted or handcrafted Bazel target. func (b *BazelModuleBase) MixedBuildsEnabled(ctx ModuleContext) bool { if ctx.Os() == Windows { // Windows toolchains are not currently supported. return false } if !ctx.Module().Enabled() { return false } if !ctx.Config().BazelContext.BazelEnabled() { return false } if !convertedToBazel(ctx, ctx.Module()) { return false } if GenerateCcLibraryStaticOnly(ctx.Module().Name()) { // Don't use partially-converted cc_library targets in mixed builds, // since mixed builds would generally rely on both static and shared // variants of a cc_library. return false } return !mixedBuildsDisabled[ctx.Module().Name()] } // ConvertedToBazel returns whether this module has been converted (with bp2build or manually) to Bazel. func convertedToBazel(ctx BazelConversionContext, module blueprint.Module) bool { b, ok := module.(Bazelable) if !ok { return false } return b.shouldConvertWithBp2build(ctx, module) || b.HasHandcraftedLabel() } // ShouldConvertWithBp2build returns whether the given BazelModuleBase should be converted with bp2build. func (b *BazelModuleBase) ShouldConvertWithBp2build(ctx BazelConversionContext) bool { return b.shouldConvertWithBp2build(ctx, ctx.Module()) } func (b *BazelModuleBase) shouldConvertWithBp2build(ctx BazelConversionContext, module blueprint.Module) bool { if bp2buildModuleDoNotConvert[module.Name()] { return false } if !b.bazelProps().Bazel_module.CanConvertToBazel { return false } packagePath := ctx.OtherModuleDir(module) config := ctx.Config().bp2buildPackageConfig // This is a tristate value: true, false, or unset. propValue := b.bazelProperties.Bazel_module.Bp2build_available if bp2buildDefaultTrueRecursively(packagePath, config) { // Allow modules to explicitly opt-out. return proptools.BoolDefault(propValue, true) } // Allow modules to explicitly opt-in. return proptools.BoolDefault(propValue, false) } // bp2buildDefaultTrueRecursively checks that the package contains a prefix from the // set of package prefixes where all modules must be converted. That is, if the // package is x/y/z, and the list contains either x, x/y, or x/y/z, this function will // return true. // // However, if the package is x/y, and it matches a Bp2BuildDefaultFalse "x/y" entry // exactly, this module will return false early. // // This function will also return false if the package doesn't match anything in // the config. func bp2buildDefaultTrueRecursively(packagePath string, config Bp2BuildConfig) bool { ret := false // Check if the package path has an exact match in the config. if config[packagePath] == Bp2BuildDefaultTrue || config[packagePath] == Bp2BuildDefaultTrueRecursively { return true } else if config[packagePath] == Bp2BuildDefaultFalse { return false } // If not, check for the config recursively. packagePrefix := "" // e.g. for x/y/z, iterate over x, x/y, then x/y/z, taking the final value from the allowlist. for _, part := range strings.Split(packagePath, "/") { packagePrefix += part if config[packagePrefix] == Bp2BuildDefaultTrueRecursively { // package contains this prefix and this prefix should convert all modules return true } // Continue to the next part of the package dir. packagePrefix += "/" } return ret } // GetBazelBuildFileContents returns the file contents of a hand-crafted BUILD file if available or // an error if there are errors reading the file. // TODO(b/181575318): currently we append the whole BUILD file, let's change that to do // something more targeted based on the rule type and target. func (b *BazelModuleBase) GetBazelBuildFileContents(c Config, path, name string) (string, error) { if !strings.Contains(b.HandcraftedLabel(), path) { return "", fmt.Errorf("%q not found in bazel_module.label %q", path, b.HandcraftedLabel()) } name = filepath.Join(path, name) f, err := c.fs.Open(name) if err != nil { return "", err } defer f.Close() data, err := ioutil.ReadAll(f) if err != nil { return "", err } return string(data[:]), nil } func registerBp2buildConversionMutator(ctx RegisterMutatorsContext) { ctx.TopDown("bp2build_conversion", convertWithBp2build).Parallel() } func convertWithBp2build(ctx TopDownMutatorContext) { bModule, ok := ctx.Module().(Bazelable) if !ok || !bModule.shouldConvertWithBp2build(ctx, ctx.Module()) { return } bModule.ConvertWithBp2build(ctx) } // GetMainClassInManifest scans the manifest file specified in filepath and returns // the value of attribute Main-Class in the manifest file if it exists, or returns error. // WARNING: this is for bp2build converters of java_* modules only. func GetMainClassInManifest(c Config, filepath string) (string, error) { file, err := c.fs.Open(filepath) if err != nil { return "", err } scanner := bufio.NewScanner(file) for scanner.Scan() { line := scanner.Text() if strings.HasPrefix(line, "Main-Class:") { return strings.TrimSpace(line[len("Main-Class:"):]), nil } } return "", errors.New("Main-Class is not found.") }