diff options
Diffstat (limited to 'java/java.go')
| -rw-r--r-- | java/java.go | 239 |
1 files changed, 225 insertions, 14 deletions
diff --git a/java/java.go b/java/java.go index b6fc6b831..3c6d8484e 100644 --- a/java/java.go +++ b/java/java.go @@ -25,6 +25,7 @@ import ( "android/soong/bazel" "android/soong/bazel/cquery" + "android/soong/remoteexec" "github.com/google/blueprint" "github.com/google/blueprint/proptools" @@ -59,6 +60,8 @@ func registerJavaBuildComponents(ctx android.RegistrationContext) { ctx.RegisterModuleType("java_device_for_host", DeviceForHostFactory) ctx.RegisterModuleType("java_host_for_device", HostForDeviceFactory) ctx.RegisterModuleType("dex_import", DexImportFactory) + ctx.RegisterModuleType("java_api_library", ApiLibraryFactory) + ctx.RegisterModuleType("java_api_contribution", ApiContributionFactory) // This mutator registers dependencies on dex2oat for modules that should be // dexpreopted. This is done late when the final variants have been @@ -1501,6 +1504,182 @@ func BinaryHostFactory() android.Module { return module } +type JavaApiContribution struct { + android.ModuleBase + android.DefaultableModuleBase + + properties struct { + // name of the API surface + Api_surface *string + + // relative path to the API signature text file + Api_file *string `android:"path"` + } +} + +func ApiContributionFactory() android.Module { + module := &JavaApiContribution{} + android.InitAndroidModule(module) + android.InitDefaultableModule(module) + module.AddProperties(&module.properties) + return module +} + +type JavaApiImportInfo struct { + ApiFile android.Path +} + +var JavaApiImportProvider = blueprint.NewProvider(JavaApiImportInfo{}) + +func (ap *JavaApiContribution) GenerateAndroidBuildActions(ctx android.ModuleContext) { + apiFile := android.PathForModuleSrc(ctx, String(ap.properties.Api_file)) + ctx.SetProvider(JavaApiImportProvider, JavaApiImportInfo{ + ApiFile: apiFile, + }) +} + +type ApiLibrary struct { + android.ModuleBase + android.DefaultableModuleBase + + properties JavaApiLibraryProperties + + stubsSrcJar android.WritablePath + stubsJar android.WritablePath +} + +type JavaApiLibraryProperties struct { + // name of the API surface + Api_surface *string + + // list of API provider modules that consists this API surface + Api_providers []string + + // List of flags to be passed to the javac compiler to generate jar file + Javacflags []string +} + +func ApiLibraryFactory() android.Module { + module := &ApiLibrary{} + android.InitAndroidArchModule(module, android.DeviceSupported, android.MultilibCommon) + android.InitDefaultableModule(module) + module.AddProperties(&module.properties) + return module +} + +func (al *ApiLibrary) ApiSurface() *string { + return al.properties.Api_surface +} + +func (al *ApiLibrary) StubsJar() android.Path { + return al.stubsJar +} + +func metalavaStubCmd(ctx android.ModuleContext, rule *android.RuleBuilder, + srcs android.Paths, homeDir android.WritablePath) *android.RuleBuilderCommand { + rule.Command().Text("rm -rf").Flag(homeDir.String()) + rule.Command().Text("mkdir -p").Flag(homeDir.String()) + + cmd := rule.Command() + cmd.FlagWithArg("ANDROID_PREFS_ROOT=", homeDir.String()) + + if metalavaUseRbe(ctx) { + rule.Remoteable(android.RemoteRuleSupports{RBE: true}) + execStrategy := ctx.Config().GetenvWithDefault("RBE_METALAVA_EXEC_STRATEGY", remoteexec.LocalExecStrategy) + labels := map[string]string{"type": "tool", "name": "metalava"} + + pool := ctx.Config().GetenvWithDefault("RBE_METALAVA_POOL", "java16") + rule.Rewrapper(&remoteexec.REParams{ + Labels: labels, + ExecStrategy: execStrategy, + ToolchainInputs: []string{config.JavaCmd(ctx).String()}, + Platform: map[string]string{remoteexec.PoolKey: pool}, + }) + } + + cmd.BuiltTool("metalava").ImplicitTool(ctx.Config().HostJavaToolPath(ctx, "metalava.jar")). + Flag(config.JavacVmFlags). + Flag("-J--add-opens=java.base/java.util=ALL-UNNAMED"). + FlagWithArg("-encoding ", "UTF-8"). + FlagWithInputList("--source-files ", srcs, " ") + + cmd.Flag("--no-banner"). + Flag("--color"). + Flag("--quiet"). + Flag("--format=v2"). + FlagWithArg("--repeat-errors-max ", "10"). + FlagWithArg("--hide ", "UnresolvedImport"). + FlagWithArg("--hide ", "InvalidNullabilityOverride"). + FlagWithArg("--hide ", "ChangedDefault") + + return cmd +} + +func (al *ApiLibrary) stubsFlags(ctx android.ModuleContext, cmd *android.RuleBuilderCommand, stubsDir android.OptionalPath) { + if stubsDir.Valid() { + cmd.FlagWithArg("--stubs ", stubsDir.String()) + } +} + +var javaApiProviderTag = dependencyTag{name: "java-api-provider"} + +func (al *ApiLibrary) DepsMutator(ctx android.BottomUpMutatorContext) { + apiProviders := al.properties.Api_providers + for _, apiProviderName := range apiProviders { + ctx.AddDependency(ctx.Module(), javaApiProviderTag, apiProviderName) + } +} + +func (al *ApiLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext) { + + rule := android.NewRuleBuilder(pctx, ctx) + + rule.Sbox(android.PathForModuleOut(ctx, "metalava"), + android.PathForModuleOut(ctx, "metalava.sbox.textproto")). + SandboxInputs() + + var stubsDir android.OptionalPath + stubsDir = android.OptionalPathForPath(android.PathForModuleOut(ctx, "metalava", "stubsDir")) + rule.Command().Text("rm -rf").Text(stubsDir.String()) + rule.Command().Text("mkdir -p").Text(stubsDir.String()) + + homeDir := android.PathForModuleOut(ctx, "metalava", "home") + + apiProviders := al.properties.Api_providers + srcFiles := make([]android.Path, len(apiProviders)) + for i, apiProviderName := range apiProviders { + apiProvider := ctx.GetDirectDepWithTag(apiProviderName, javaApiProviderTag) + if apiProvider == nil { + panic(fmt.Errorf("Java API provider module %s not found, called from %s", apiProviderName, al.Name())) + } + provider := ctx.OtherModuleProvider(apiProvider, JavaApiImportProvider).(JavaApiImportInfo) + srcFiles[i] = android.PathForModuleSrc(ctx, provider.ApiFile.String()) + } + + cmd := metalavaStubCmd(ctx, rule, srcFiles, homeDir) + + al.stubsFlags(ctx, cmd, stubsDir) + + al.stubsSrcJar = android.PathForModuleOut(ctx, "metalava", ctx.ModuleName()+"-"+"stubs.srcjar") + rule.Command(). + BuiltTool("soong_zip"). + Flag("-write_if_changed"). + Flag("-jar"). + FlagWithOutput("-o ", al.stubsSrcJar). + FlagWithArg("-C ", stubsDir.String()). + FlagWithArg("-D ", stubsDir.String()) + + rule.Build("metalava", "metalava merged") + + al.stubsJar = android.PathForModuleOut(ctx, ctx.ModuleName(), "android.jar") + + var flags javaBuilderFlags + flags.javacFlags = strings.Join(al.properties.Javacflags, " ") + + TransformJavaToClasses(ctx, al.stubsJar, 0, android.Paths{}, + android.Paths{al.stubsSrcJar}, flags, android.Paths{}) +} + // // Java prebuilts // @@ -2307,11 +2486,21 @@ type javaAidlLibraryAttributes struct { Deps bazel.LabelListAttribute } -// convertLibraryAttrsBp2Build converts a few shared attributes from java_* modules -// and also separates dependencies into dynamic dependencies and static dependencies. -// Each corresponding Bazel target type, can have a different method for handling -// dynamic vs. static dependencies, and so these are returned to the calling function. -func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) (*javaCommonAttributes, *javaDependencyLabels) { +// bp2BuildJavaInfo has information needed for the conversion of java*_modules +// that is needed bor Bp2Build conversion but that requires different handling +// depending on the module type. +type bp2BuildJavaInfo struct { + // separates dependencies into dynamic dependencies and static dependencies. + DepLabels *javaDependencyLabels + hasKotlinSrcs bool +} + +// convertLibraryAttrsBp2Build returns a javaCommonAttributes struct with +// converted attributes shared across java_* modules and a bp2BuildJavaInfo struct +// which has other non-attribute information needed for bp2build conversion +// that needs different handling depending on the module types, and thus needs +// to be returned to the calling function. +func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) (*javaCommonAttributes, *bp2BuildJavaInfo) { var srcs bazel.LabelListAttribute var deps bazel.LabelList var staticDeps bazel.LabelList @@ -2330,14 +2519,18 @@ func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) protoSrcPartition := "proto" logtagSrcPartition := "logtag" aidlSrcPartition := "aidl" + kotlinPartition := "kotlin" srcPartitions := bazel.PartitionLabelListAttribute(ctx, &srcs, bazel.LabelPartitions{ javaSrcPartition: bazel.LabelPartition{Extensions: []string{".java"}, Keep_remainder: true}, logtagSrcPartition: bazel.LabelPartition{Extensions: []string{".logtags", ".logtag"}}, protoSrcPartition: android.ProtoSrcLabelPartition, aidlSrcPartition: android.AidlSrcLabelPartition, + kotlinPartition: bazel.LabelPartition{Extensions: []string{".kt"}}, }) javaSrcs := srcPartitions[javaSrcPartition] + kotlinSrcs := srcPartitions[kotlinPartition] + javaSrcs.Append(kotlinSrcs) if !srcPartitions[logtagSrcPartition].IsEmpty() { logtagsLibName := m.Name() + "_logtags" @@ -2447,18 +2640,25 @@ func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) depLabels.Deps = bazel.MakeLabelListAttribute(deps) depLabels.StaticDeps = bazel.MakeLabelListAttribute(staticDeps) - return commonAttrs, depLabels + bp2BuildInfo := &bp2BuildJavaInfo{ + DepLabels: depLabels, + hasKotlinSrcs: !kotlinSrcs.IsEmpty(), + } + + return commonAttrs, bp2BuildInfo } type javaLibraryAttributes struct { *javaCommonAttributes - Deps bazel.LabelListAttribute - Exports bazel.LabelListAttribute - Neverlink bazel.BoolAttribute + Deps bazel.LabelListAttribute + Exports bazel.LabelListAttribute + Neverlink bazel.BoolAttribute + Common_srcs bazel.LabelListAttribute } func javaLibraryBp2Build(ctx android.TopDownMutatorContext, m *Library) { - commonAttrs, depLabels := m.convertLibraryAttrsBp2Build(ctx) + commonAttrs, bp2BuildInfo := m.convertLibraryAttrsBp2Build(ctx) + depLabels := bp2BuildInfo.DepLabels deps := depLabels.Deps if !commonAttrs.Srcs.IsEmpty() { @@ -2473,15 +2673,25 @@ func javaLibraryBp2Build(ctx android.TopDownMutatorContext, m *Library) { ctx.ModuleErrorf("Module has direct dependencies but no sources. Bazel will not allow this.") } + var props bazel.BazelTargetModuleProperties attrs := &javaLibraryAttributes{ javaCommonAttributes: commonAttrs, Deps: deps, Exports: depLabels.StaticDeps, } - props := bazel.BazelTargetModuleProperties{ - Rule_class: "java_library", - Bzl_load_location: "//build/bazel/rules/java:library.bzl", + if !bp2BuildInfo.hasKotlinSrcs && len(m.properties.Common_srcs) == 0 { + props = bazel.BazelTargetModuleProperties{ + Rule_class: "java_library", + Bzl_load_location: "//build/bazel/rules/java:library.bzl", + } + } else { + attrs.Common_srcs = bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrc(ctx, m.properties.Common_srcs)) + + props = bazel.BazelTargetModuleProperties{ + Rule_class: "kt_jvm_library", + Bzl_load_location: "@rules_kotlin//kotlin:jvm_library.bzl", + } } name := m.Name() @@ -2498,7 +2708,8 @@ type javaBinaryHostAttributes struct { // JavaBinaryHostBp2Build is for java_binary_host bp2build. func javaBinaryHostBp2Build(ctx android.TopDownMutatorContext, m *Binary) { - commonAttrs, depLabels := m.convertLibraryAttrsBp2Build(ctx) + commonAttrs, bp2BuildInfo := m.convertLibraryAttrsBp2Build(ctx) + depLabels := bp2BuildInfo.DepLabels deps := depLabels.Deps deps.Append(depLabels.StaticDeps) |