405 lines
18 KiB
Go
405 lines
18 KiB
Go
package bp2build
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import (
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"encoding/json"
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"fmt"
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"os"
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"path/filepath"
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"reflect"
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"strings"
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"android/soong/android"
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"android/soong/android/soongconfig"
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"android/soong/starlark_import"
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"github.com/google/blueprint/proptools"
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"go.starlark.net/starlark"
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)
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func CreateProductConfigFiles(
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ctx *CodegenContext,
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metrics CodegenMetrics) ([]BazelFile, []BazelFile, error) {
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cfg := &ctx.config
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targetProduct := "unknown"
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if cfg.HasDeviceProduct() {
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targetProduct = cfg.DeviceProduct()
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}
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targetBuildVariant := "user"
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if cfg.Eng() {
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targetBuildVariant = "eng"
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} else if cfg.Debuggable() {
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targetBuildVariant = "userdebug"
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}
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productVariablesFileName := cfg.ProductVariablesFileName
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if !strings.HasPrefix(productVariablesFileName, "/") {
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productVariablesFileName = filepath.Join(ctx.topDir, productVariablesFileName)
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}
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productVariablesBytes, err := os.ReadFile(productVariablesFileName)
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if err != nil {
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return nil, nil, err
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}
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productVariables := android.ProductVariables{}
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err = json.Unmarshal(productVariablesBytes, &productVariables)
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if err != nil {
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return nil, nil, err
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}
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// TODO(b/249685973): the name is product_config_platforms because product_config
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// was already used for other files. Deduplicate them.
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currentProductFolder := fmt.Sprintf("product_config_platforms/products/%s-%s", targetProduct, targetBuildVariant)
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productReplacer := strings.NewReplacer(
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"{PRODUCT}", targetProduct,
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"{VARIANT}", targetBuildVariant,
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"{PRODUCT_FOLDER}", currentProductFolder)
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platformMappingContent, err := platformMappingContent(
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productReplacer.Replace("@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}"),
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&productVariables,
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ctx.Config().Bp2buildSoongConfigDefinitions,
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metrics.convertedModulePathMap)
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if err != nil {
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return nil, nil, err
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}
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productsForTestingMap, err := starlark_import.GetStarlarkValue[map[string]map[string]starlark.Value]("products_for_testing")
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if err != nil {
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return nil, nil, err
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}
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productsForTesting := android.SortedKeys(productsForTestingMap)
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for i := range productsForTesting {
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productsForTesting[i] = fmt.Sprintf(" \"@//build/bazel/tests/products:%s\",", productsForTesting[i])
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}
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injectionDirFiles := []BazelFile{
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newFile(
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currentProductFolder,
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"soong.variables.bzl",
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`variables = json.decode("""`+strings.ReplaceAll(string(productVariablesBytes), "\\", "\\\\")+`""")`),
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newFile(
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currentProductFolder,
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"BUILD",
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productReplacer.Replace(`
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package(default_visibility=[
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"@soong_injection//product_config_platforms:__subpackages__",
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"@//build/bazel/product_config:__subpackages__",
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])
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load(":soong.variables.bzl", _soong_variables = "variables")
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load("@//build/bazel/product_config:android_product.bzl", "android_product")
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android_product(
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name = "{PRODUCT}-{VARIANT}",
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soong_variables = _soong_variables,
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)
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`)),
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newFile(
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"product_config_platforms",
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"BUILD.bazel",
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productReplacer.Replace(`
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package(default_visibility = [
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"@//build/bazel/product_config:__subpackages__",
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"@soong_injection//product_config_platforms:__subpackages__",
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])
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load("//{PRODUCT_FOLDER}:soong.variables.bzl", _soong_variables = "variables")
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load("@//build/bazel/product_config:android_product.bzl", "android_product")
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# Bazel will qualify its outputs by the platform name. When switching between products, this
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# means that soong-built files that depend on bazel-built files will suddenly get different
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# dependency files, because the path changes, and they will be rebuilt. In order to avoid this
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# extra rebuilding, make mixed builds always use a single platform so that the bazel artifacts
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# are always under the same path.
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android_product(
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name = "mixed_builds_product-{VARIANT}",
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soong_variables = _soong_variables,
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extra_constraints = ["@//build/bazel/platforms:mixed_builds"],
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)
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`)),
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newFile(
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"product_config_platforms",
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"product_labels.bzl",
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productReplacer.Replace(`
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# This file keeps a list of all the products in the android source tree, because they're
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# discovered as part of a preprocessing step before bazel runs.
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# TODO: When we start generating the platforms for more than just the
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# currently lunched product, they should all be listed here
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product_labels = [
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"@soong_injection//product_config_platforms:mixed_builds_product-{VARIANT}",
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"@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}",
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`)+strings.Join(productsForTesting, "\n")+"\n]\n"),
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newFile(
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"product_config_platforms",
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"common.bazelrc",
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productReplacer.Replace(`
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build --platform_mappings=platform_mappings
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build --platforms @soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_linux_x86_64
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build:android --platforms=@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}
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build:linux_x86 --platforms=@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_linux_x86
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build:linux_x86_64 --platforms=@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_linux_x86_64
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build:linux_bionic_x86_64 --platforms=@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_linux_bionic_x86_64
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build:linux_musl_x86 --platforms=@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_linux_musl_x86
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build:linux_musl_x86_64 --platforms=@soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_linux_musl_x86_64
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`)),
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newFile(
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"product_config_platforms",
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"linux.bazelrc",
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productReplacer.Replace(`
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build --host_platform @soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_linux_x86_64
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`)),
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newFile(
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"product_config_platforms",
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"darwin.bazelrc",
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productReplacer.Replace(`
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build --host_platform @soong_injection//{PRODUCT_FOLDER}:{PRODUCT}-{VARIANT}_darwin_x86_64
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`)),
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}
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bp2buildDirFiles := []BazelFile{
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newFile(
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"",
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"platform_mappings",
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platformMappingContent),
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}
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return injectionDirFiles, bp2buildDirFiles, nil
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}
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func platformMappingContent(
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mainProductLabel string,
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mainProductVariables *android.ProductVariables,
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soongConfigDefinitions soongconfig.Bp2BuildSoongConfigDefinitions,
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convertedModulePathMap map[string]string) (string, error) {
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productsForTesting, err := starlark_import.GetStarlarkValue[map[string]map[string]starlark.Value]("products_for_testing")
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if err != nil {
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return "", err
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}
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var result strings.Builder
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mergedConvertedModulePathMap := make(map[string]string)
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for k, v := range convertedModulePathMap {
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mergedConvertedModulePathMap[k] = v
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}
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additionalModuleNamesToPackages, err := starlark_import.GetStarlarkValue[map[string]string]("additional_module_names_to_packages")
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if err != nil {
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return "", err
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}
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for k, v := range additionalModuleNamesToPackages {
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mergedConvertedModulePathMap[k] = v
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}
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result.WriteString("platforms:\n")
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platformMappingSingleProduct(mainProductLabel, mainProductVariables, soongConfigDefinitions, mergedConvertedModulePathMap, &result)
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for product, productVariablesStarlark := range productsForTesting {
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productVariables, err := starlarkMapToProductVariables(productVariablesStarlark)
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if err != nil {
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return "", err
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}
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platformMappingSingleProduct("@//build/bazel/tests/products:"+product, &productVariables, soongConfigDefinitions, mergedConvertedModulePathMap, &result)
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}
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return result.String(), nil
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}
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var bazelPlatformSuffixes = []string{
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"",
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"_darwin_arm64",
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"_darwin_x86_64",
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"_linux_bionic_arm64",
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"_linux_bionic_x86_64",
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"_linux_musl_x86",
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"_linux_musl_x86_64",
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"_linux_x86",
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"_linux_x86_64",
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"_windows_x86",
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"_windows_x86_64",
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}
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func platformMappingSingleProduct(
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label string,
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productVariables *android.ProductVariables,
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soongConfigDefinitions soongconfig.Bp2BuildSoongConfigDefinitions,
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convertedModulePathMap map[string]string,
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result *strings.Builder) {
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targetBuildVariant := "user"
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if proptools.Bool(productVariables.Eng) {
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targetBuildVariant = "eng"
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} else if proptools.Bool(productVariables.Debuggable) {
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targetBuildVariant = "userdebug"
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}
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platform_sdk_version := -1
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if productVariables.Platform_sdk_version != nil {
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platform_sdk_version = *productVariables.Platform_sdk_version
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}
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defaultAppCertificateFilegroup := "//build/bazel/utils:empty_filegroup"
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if proptools.String(productVariables.DefaultAppCertificate) != "" {
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defaultAppCertificateFilegroup = "@//" + filepath.Dir(proptools.String(productVariables.DefaultAppCertificate)) + ":android_certificate_directory"
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}
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for _, suffix := range bazelPlatformSuffixes {
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result.WriteString(" ")
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result.WriteString(label)
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result.WriteString(suffix)
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result.WriteString("\n")
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:always_use_prebuilt_sdks=%t\n", proptools.Bool(productVariables.Always_use_prebuilt_sdks)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:arc=%t\n", proptools.Bool(productVariables.Arc)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:apex_global_min_sdk_version_override=%s\n", proptools.String(productVariables.ApexGlobalMinSdkVersionOverride)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:binder32bit=%t\n", proptools.Bool(productVariables.Binder32bit)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:build_from_text_stub=%t\n", proptools.Bool(productVariables.Build_from_text_stub)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:build_id=%s\n", proptools.String(productVariables.BuildId)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:build_version_tags=%s\n", strings.Join(productVariables.BuildVersionTags, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:cfi_exclude_paths=%s\n", strings.Join(productVariables.CFIExcludePaths, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:cfi_include_paths=%s\n", strings.Join(productVariables.CFIIncludePaths, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:compressed_apex=%t\n", proptools.Bool(productVariables.CompressedApex)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:debuggable=%t\n", proptools.Bool(productVariables.Debuggable)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:default_app_certificate=%s\n", proptools.String(productVariables.DefaultAppCertificate)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:default_app_certificate_filegroup=%s\n", defaultAppCertificateFilegroup))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:device_abi=%s\n", strings.Join(productVariables.DeviceAbi, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:device_max_page_size_supported=%s\n", proptools.String(productVariables.DeviceMaxPageSizeSupported)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:device_name=%s\n", proptools.String(productVariables.DeviceName)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:device_page_size_agnostic=%t\n", proptools.Bool(productVariables.DevicePageSizeAgnostic)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:device_product=%s\n", proptools.String(productVariables.DeviceProduct)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:device_platform=%s\n", label))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:enable_cfi=%t\n", proptools.BoolDefault(productVariables.EnableCFI, true)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:enforce_vintf_manifest=%t\n", proptools.Bool(productVariables.Enforce_vintf_manifest)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:eng=%t\n", proptools.Bool(productVariables.Eng)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:malloc_not_svelte=%t\n", proptools.Bool(productVariables.Malloc_not_svelte)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:malloc_pattern_fill_contents=%t\n", proptools.Bool(productVariables.Malloc_pattern_fill_contents)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:malloc_zero_contents=%t\n", proptools.Bool(productVariables.Malloc_zero_contents)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:memtag_heap_exclude_paths=%s\n", strings.Join(productVariables.MemtagHeapExcludePaths, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:memtag_heap_async_include_paths=%s\n", strings.Join(productVariables.MemtagHeapAsyncIncludePaths, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:memtag_heap_sync_include_paths=%s\n", strings.Join(productVariables.MemtagHeapSyncIncludePaths, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:manifest_package_name_overrides=%s\n", strings.Join(productVariables.ManifestPackageNameOverrides, ",")))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:native_coverage=%t\n", proptools.Bool(productVariables.Native_coverage)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:platform_version_name=%s\n", proptools.String(productVariables.Platform_version_name)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:product_brand=%s\n", productVariables.ProductBrand))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:product_manufacturer=%s\n", productVariables.ProductManufacturer))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:platform_sdk_version=%d\n", platform_sdk_version))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:safestack=%t\n", proptools.Bool(productVariables.Safestack)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:target_build_variant=%s\n", targetBuildVariant))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:treble_linker_namespaces=%t\n", proptools.Bool(productVariables.Treble_linker_namespaces)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:tidy_checks=%s\n", proptools.String(productVariables.TidyChecks)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:uml=%t\n", proptools.Bool(productVariables.Uml)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:unbundled_build=%t\n", proptools.Bool(productVariables.Unbundled_build)))
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config:unbundled_build_apps=%s\n", strings.Join(productVariables.Unbundled_build_apps, ",")))
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for _, override := range productVariables.CertificateOverrides {
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parts := strings.SplitN(override, ":", 2)
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if apexPath, ok := convertedModulePathMap[parts[0]]; ok {
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if overrideCertPath, ok := convertedModulePathMap[parts[1]]; ok {
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result.WriteString(fmt.Sprintf(" --%s:%s_certificate_override=%s:%s\n", apexPath, parts[0], overrideCertPath, parts[1]))
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}
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}
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}
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for namespace, namespaceContents := range productVariables.VendorVars {
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for variable, value := range namespaceContents {
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key := namespace + "__" + variable
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_, hasBool := soongConfigDefinitions.BoolVars[key]
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_, hasString := soongConfigDefinitions.StringVars[key]
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_, hasValue := soongConfigDefinitions.ValueVars[key]
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if !hasBool && !hasString && !hasValue {
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// Not all soong config variables are defined in Android.bp files. For example,
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// prebuilt_bootclasspath_fragment uses soong config variables in a nonstandard
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// way, that causes them to be present in the soong.variables file but not
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// defined in an Android.bp file. There's also nothing stopping you from setting
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// a variable in make that doesn't exist in soong. We only generate build
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// settings for the ones that exist in soong, so skip all others.
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continue
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}
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if hasBool && hasString || hasBool && hasValue || hasString && hasValue {
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panic(fmt.Sprintf("Soong config variable %s:%s appears to be of multiple types. bool? %t, string? %t, value? %t", namespace, variable, hasBool, hasString, hasValue))
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}
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if hasBool {
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// Logic copied from soongConfig.Bool()
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value = strings.ToLower(value)
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if value == "1" || value == "y" || value == "yes" || value == "on" || value == "true" {
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value = "true"
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} else {
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value = "false"
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}
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}
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result.WriteString(fmt.Sprintf(" --//build/bazel/product_config/soong_config_variables:%s=%s\n", strings.ToLower(key), value))
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}
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}
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}
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}
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func starlarkMapToProductVariables(in map[string]starlark.Value) (android.ProductVariables, error) {
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result := android.ProductVariables{}
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productVarsReflect := reflect.ValueOf(&result).Elem()
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for i := 0; i < productVarsReflect.NumField(); i++ {
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field := productVarsReflect.Field(i)
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fieldType := productVarsReflect.Type().Field(i)
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name := fieldType.Name
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if name == "BootJars" || name == "ApexBootJars" || name == "VendorSnapshotModules" ||
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name == "RecoverySnapshotModules" {
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// These variables have more complicated types, and we don't need them right now
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continue
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}
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if _, ok := in[name]; ok {
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if name == "VendorVars" {
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vendorVars, err := starlark_import.Unmarshal[map[string]map[string]string](in[name])
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if err != nil {
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return result, err
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}
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field.Set(reflect.ValueOf(vendorVars))
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continue
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}
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switch field.Type().Kind() {
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case reflect.Bool:
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val, err := starlark_import.Unmarshal[bool](in[name])
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if err != nil {
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return result, err
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}
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field.SetBool(val)
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case reflect.String:
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val, err := starlark_import.Unmarshal[string](in[name])
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if err != nil {
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return result, err
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}
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field.SetString(val)
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case reflect.Slice:
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if field.Type().Elem().Kind() != reflect.String {
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return result, fmt.Errorf("slices of types other than strings are unimplemented")
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}
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val, err := starlark_import.UnmarshalReflect(in[name], field.Type())
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if err != nil {
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return result, err
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}
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field.Set(val)
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case reflect.Pointer:
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switch field.Type().Elem().Kind() {
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case reflect.Bool:
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val, err := starlark_import.UnmarshalNoneable[bool](in[name])
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if err != nil {
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return result, err
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}
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field.Set(reflect.ValueOf(val))
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case reflect.String:
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val, err := starlark_import.UnmarshalNoneable[string](in[name])
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if err != nil {
|
|
return result, err
|
|
}
|
|
field.Set(reflect.ValueOf(val))
|
|
case reflect.Int:
|
|
val, err := starlark_import.UnmarshalNoneable[int](in[name])
|
|
if err != nil {
|
|
return result, err
|
|
}
|
|
field.Set(reflect.ValueOf(val))
|
|
default:
|
|
return result, fmt.Errorf("pointers of types other than strings/bools are unimplemented: %s", field.Type().Elem().Kind().String())
|
|
}
|
|
default:
|
|
return result, fmt.Errorf("unimplemented type: %s", field.Type().String())
|
|
}
|
|
}
|
|
}
|
|
|
|
result.Native_coverage = proptools.BoolPtr(
|
|
proptools.Bool(result.GcovCoverage) ||
|
|
proptools.Bool(result.ClangCoverage))
|
|
|
|
return result, nil
|
|
}
|