| // 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, |
| "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/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/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/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{ |
| "libandroid_runtime_lazy", // depends on unconverted modules: libbinder_headers |
| "libcmd", // depends on unconverted modules: libbinder |
| |
| "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 |
| |
| "libbinder", // TODO(b/188503688): Disabled for some archs, |
| "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. |
| |
| "host_bionic_linker_asm", // depends on extract_linker, a go binary. |
| "host_bionic_linker_script", // depends on extract_linker, a go binary. |
| "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-python", // contains .proto sources |
| "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 |
| |
| "conv_linker_config", // depends on linker_config_proto, a python lib with 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 |
| "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 |
| |
| "acvp_modulewrapper", // disabled for android x86/x86_64 |
| "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 |
| } |
| |
| // 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{ |
| "libjemalloc5", // http://b/188503688, cc_library, `target: { android: { enabled: false } }` for android targets. |
| } |
| |
| // 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.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.") |
| } |