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-rw-r--r--java/java.go230
1 files changed, 171 insertions, 59 deletions
diff --git a/java/java.go b/java/java.go
index f29f7383a..270f45615 100644
--- a/java/java.go
+++ b/java/java.go
@@ -21,11 +21,13 @@ package java
import (
"fmt"
"path/filepath"
+ "sort"
"strings"
"android/soong/bazel"
"android/soong/bazel/cquery"
"android/soong/remoteexec"
+ "android/soong/ui/metrics/bp2build_metrics_proto"
"github.com/google/blueprint"
"github.com/google/blueprint/proptools"
@@ -224,6 +226,23 @@ var (
}, "jar_name", "partition", "main_class")
)
+type ProguardSpecInfo struct {
+ // If true, proguard flags files will be exported to reverse dependencies across libs edges
+ // If false, proguard flags files will only be exported to reverse dependencies across
+ // static_libs edges.
+ Export_proguard_flags_files bool
+
+ // TransitiveDepsProguardSpecFiles is a depset of paths to proguard flags files that are exported from
+ // all transitive deps. This list includes all proguard flags files from transitive static dependencies,
+ // and all proguard flags files from transitive libs dependencies which set `export_proguard_spec: true`.
+ ProguardFlagsFiles *android.DepSet[android.Path]
+
+ // implementation detail to store transitive proguard flags files from exporting shared deps
+ UnconditionallyExportedProguardFlags *android.DepSet[android.Path]
+}
+
+var ProguardSpecInfoProvider = blueprint.NewProvider(ProguardSpecInfo{})
+
// JavaInfo contains information about a java module for use by modules that depend on it.
type JavaInfo struct {
// HeaderJars is a list of jars that can be passed as the javac classpath in order to link
@@ -309,11 +328,6 @@ type UsesLibraryDependency interface {
ClassLoaderContexts() dexpreopt.ClassLoaderContextMap
}
-// Provides transitive Proguard flag files to downstream DEX jars.
-type LibraryDependency interface {
- ExportedProguardFlagFiles() android.Paths
-}
-
// TODO(jungjw): Move this to kythe.go once it's created.
type xref interface {
XrefJavaFiles() android.Paths
@@ -625,12 +639,6 @@ type Library struct {
InstallMixin func(ctx android.ModuleContext, installPath android.Path) (extraInstallDeps android.Paths)
}
-var _ LibraryDependency = (*Library)(nil)
-
-func (j *Library) ExportedProguardFlagFiles() android.Paths {
- return j.exportedProguardFlagFiles
-}
-
var _ android.ApexModule = (*Library)(nil)
// Provides access to the list of permitted packages from apex boot jars.
@@ -691,6 +699,7 @@ func (j *Library) GenerateAndroidBuildActions(ctx android.ModuleContext) {
}
j.checkSdkVersions(ctx)
+ j.checkHeadersOnly(ctx)
if ctx.Device() {
j.dexpreopter.installPath = j.dexpreopter.getInstallPath(
ctx, android.PathForModuleInstall(ctx, "framework", j.Stem()+".jar"))
@@ -729,15 +738,9 @@ func (j *Library) GenerateAndroidBuildActions(ctx android.ModuleContext) {
j.installFile = ctx.InstallFile(installDir, j.Stem()+".jar", j.outputFile, extraInstallDeps...)
}
- j.exportedProguardFlagFiles = append(j.exportedProguardFlagFiles,
- android.PathsForModuleSrc(ctx, j.dexProperties.Optimize.Proguard_flags_files)...)
- ctx.VisitDirectDeps(func(m android.Module) {
- if lib, ok := m.(LibraryDependency); ok && ctx.OtherModuleDependencyTag(m) == staticLibTag {
- j.exportedProguardFlagFiles = append(j.exportedProguardFlagFiles, lib.ExportedProguardFlagFiles()...)
- }
- })
- j.exportedProguardFlagFiles = android.FirstUniquePaths(j.exportedProguardFlagFiles)
-
+ proguardSpecInfo := j.collectProguardSpecInfo(ctx)
+ ctx.SetProvider(ProguardSpecInfoProvider, proguardSpecInfo)
+ j.exportedProguardFlagFiles = proguardSpecInfo.ProguardFlagsFiles.ToList()
}
func (j *Library) DepsMutator(ctx android.BottomUpMutatorContext) {
@@ -1682,6 +1685,9 @@ type JavaApiLibraryProperties struct {
// extracting the compiled class files provided by the
// full_api_surface_stub module.
Full_api_surface_stub *string
+
+ // Version of previously released API file for compatibility check.
+ Previous_api *string `android:"path"`
}
func ApiLibraryFactory() android.Module {
@@ -1725,12 +1731,10 @@ func metalavaStubCmd(ctx android.ModuleContext, rule *android.RuleBuilder,
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("--color").
Flag("--quiet").
- Flag("--format=v2").
Flag("--include-annotations").
// The flag makes nullability issues as warnings rather than errors by replacing
// @Nullable/@NonNull in the listed packages APIs with @RecentlyNullable/@RecentlyNonNull,
@@ -1742,14 +1746,13 @@ func metalavaStubCmd(ctx android.ModuleContext, rule *android.RuleBuilder,
FlagWithArg("--hide ", "InvalidNullabilityOverride").
FlagWithArg("--hide ", "ChangedDefault")
- // Force metalava to ignore classes on the classpath when an API file contains missing classes.
- // See b/285140653 for more information.
+ // The main purpose of the `--api-class-resolution api` option is to force metalava to ignore
+ // classes on the classpath when an API file contains missing classes. However, as this command
+ // does not specify `--classpath` this is not needed for that. However, this is also used as a
+ // signal to the special metalava code for generating stubs from text files that it needs to add
+ // some additional items into the API (e.g. default constructors).
cmd.FlagWithArg("--api-class-resolution ", "api")
- // Force metalava to sort overloaded methods by their order in the source code.
- // See b/285312164 for more information.
- cmd.FlagWithArg("--api-overloaded-method-order ", "source")
-
return cmd
}
@@ -1795,6 +1798,7 @@ func (al *ApiLibrary) extractApiSrcs(ctx android.ModuleContext, rule *android.Ru
Flag("-jar").
Flag("-write_if_changed").
Flag("-ignore_missing_files").
+ Flag("-quiet").
FlagWithArg("-C ", unzippedSrcJarDir.String()).
FlagWithInput("-l ", classFilesList).
FlagWithOutput("-o ", al.stubsJarWithoutStaticLibs)
@@ -1812,6 +1816,28 @@ func (al *ApiLibrary) DepsMutator(ctx android.BottomUpMutatorContext) {
}
}
+// API signature file names sorted from
+// the narrowest api scope to the widest api scope
+var scopeOrderedSourceFileNames = allApiScopes.Strings(
+ func(s *apiScope) string { return s.apiFilePrefix + "current.txt" })
+
+func (al *ApiLibrary) sortApiFilesByApiScope(ctx android.ModuleContext, srcFiles android.Paths) android.Paths {
+ sortedSrcFiles := android.Paths{}
+
+ for _, scopeSourceFileName := range scopeOrderedSourceFileNames {
+ for _, sourceFileName := range srcFiles {
+ if sourceFileName.Base() == scopeSourceFileName {
+ sortedSrcFiles = append(sortedSrcFiles, sourceFileName)
+ }
+ }
+ }
+ if len(srcFiles) != len(sortedSrcFiles) {
+ ctx.ModuleErrorf("Unrecognizable source file found within %s", srcFiles)
+ }
+
+ return sortedSrcFiles
+}
+
func (al *ApiLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext) {
rule := android.NewRuleBuilder(pctx, ctx)
@@ -1862,10 +1888,18 @@ func (al *ApiLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext) {
ctx.ModuleErrorf("Error: %s has an empty api file.", ctx.ModuleName())
}
+ srcFiles = al.sortApiFilesByApiScope(ctx, srcFiles)
+
cmd := metalavaStubCmd(ctx, rule, srcFiles, homeDir)
al.stubsFlags(ctx, cmd, stubsDir)
+ migratingNullability := String(al.properties.Previous_api) != ""
+ if migratingNullability {
+ previousApi := android.PathForModuleSrc(ctx, String(al.properties.Previous_api))
+ cmd.FlagWithInput("--migrate-nullness ", previousApi)
+ }
+
al.stubsSrcJar = android.PathForModuleOut(ctx, "metalava", ctx.ModuleName()+"-"+"stubs.srcjar")
al.stubsJarWithoutStaticLibs = android.PathForModuleOut(ctx, "metalava", "stubs.jar")
al.stubsJar = android.PathForModuleOut(ctx, ctx.ModuleName(), fmt.Sprintf("%s.jar", ctx.ModuleName()))
@@ -1881,7 +1915,7 @@ func (al *ApiLibrary) GenerateAndroidBuildActions(ctx android.ModuleContext) {
FlagWithArg("-C ", stubsDir.String()).
FlagWithArg("-D ", stubsDir.String())
- rule.Build("metalava", "metalava merged")
+ rule.Build("metalava", "metalava merged text")
if depApiSrcsStubsJar == nil {
var flags javaBuilderFlags
@@ -2722,32 +2756,41 @@ func addCLCFromDep(ctx android.ModuleContext, depModule android.Module,
type javaResourcesAttributes struct {
Resources bazel.LabelListAttribute
Resource_strip_prefix *string
+ Additional_resources bazel.LabelListAttribute
}
-func (m *Library) javaResourcesGetSingleFilegroupStripPrefix(ctx android.TopDownMutatorContext) (string, bool) {
- if otherM, ok := ctx.ModuleFromName(m.properties.Java_resources[0]); ok && len(m.properties.Java_resources) == 1 {
+func (m *Library) getResourceFilegroupStripPrefix(ctx android.TopDownMutatorContext, resourceFilegroup string) (*string, bool) {
+ if otherM, ok := ctx.ModuleFromName(resourceFilegroup); ok {
if fg, isFilegroup := otherM.(android.FileGroupPath); isFilegroup {
- return filepath.Join(ctx.OtherModuleDir(otherM), fg.GetPath(ctx)), true
+ return proptools.StringPtr(filepath.Join(ctx.OtherModuleDir(otherM), fg.GetPath(ctx))), true
}
}
- return "", false
+ return proptools.StringPtr(""), false
}
func (m *Library) convertJavaResourcesAttributes(ctx android.TopDownMutatorContext) *javaResourcesAttributes {
var resources bazel.LabelList
var resourceStripPrefix *string
- if m.properties.Java_resources != nil && len(m.properties.Java_resource_dirs) > 0 {
- ctx.ModuleErrorf("bp2build doesn't support both java_resources and java_resource_dirs being set on the same module.")
- }
+ additionalJavaResourcesMap := make(map[string]*javaResourcesAttributes)
if m.properties.Java_resources != nil {
- if prefix, ok := m.javaResourcesGetSingleFilegroupStripPrefix(ctx); ok {
- resourceStripPrefix = proptools.StringPtr(prefix)
- } else {
+ for _, res := range m.properties.Java_resources {
+ if prefix, isFilegroup := m.getResourceFilegroupStripPrefix(ctx, res); isFilegroup {
+ otherM, _ := ctx.ModuleFromName(res)
+ resourcesTargetName := ctx.ModuleName() + "_filegroup_resources_" + otherM.Name()
+ additionalJavaResourcesMap[resourcesTargetName] = &javaResourcesAttributes{
+ Resources: bazel.MakeLabelListAttribute(android.BazelLabelForModuleSrc(ctx, []string{res})),
+ Resource_strip_prefix: prefix,
+ }
+ } else {
+ resources.Append(android.BazelLabelForModuleSrc(ctx, []string{res}))
+ }
+ }
+
+ if !resources.IsEmpty() {
resourceStripPrefix = proptools.StringPtr(ctx.ModuleDir())
}
- resources.Append(android.BazelLabelForModuleSrc(ctx, m.properties.Java_resources))
}
//TODO(b/179889880) handle case where glob includes files outside package
@@ -2758,23 +2801,51 @@ func (m *Library) convertJavaResourcesAttributes(ctx android.TopDownMutatorConte
m.properties.Exclude_java_resources,
)
- for i, resDep := range resDeps {
+ for _, resDep := range resDeps {
dir, files := resDep.dir, resDep.files
- resources.Append(bazel.MakeLabelList(android.RootToModuleRelativePaths(ctx, files)))
-
// Bazel includes the relative path from the WORKSPACE root when placing the resource
// inside the JAR file, so we need to remove that prefix
- resourceStripPrefix = proptools.StringPtr(dir.String())
- if i > 0 {
- // TODO(b/226423379) allow multiple resource prefixes
- ctx.ModuleErrorf("bp2build does not support more than one directory in java_resource_dirs (b/226423379)")
+ prefix := proptools.StringPtr(dir.String())
+ resourcesTargetName := ctx.ModuleName() + "_resource_dir_" + dir.String()
+ additionalJavaResourcesMap[resourcesTargetName] = &javaResourcesAttributes{
+ Resources: bazel.MakeLabelListAttribute(bazel.MakeLabelList(android.RootToModuleRelativePaths(ctx, files))),
+ Resource_strip_prefix: prefix,
+ }
+ }
+
+ var additionalResourceLabels bazel.LabelList
+ if len(additionalJavaResourcesMap) > 0 {
+ var additionalResources []string
+ for resName, _ := range additionalJavaResourcesMap {
+ additionalResources = append(additionalResources, resName)
}
+ sort.Strings(additionalResources)
+
+ for i, resName := range additionalResources {
+ resAttr := additionalJavaResourcesMap[resName]
+ if resourceStripPrefix == nil && i == 0 {
+ resourceStripPrefix = resAttr.Resource_strip_prefix
+ resources = resAttr.Resources.Value
+ } else if !resAttr.Resources.IsEmpty() {
+ ctx.CreateBazelTargetModule(
+ bazel.BazelTargetModuleProperties{
+ Rule_class: "java_resources",
+ Bzl_load_location: "//build/bazel/rules/java:java_resources.bzl",
+ },
+ android.CommonAttributes{Name: resName},
+ resAttr,
+ )
+ additionalResourceLabels.Append(android.BazelLabelForModuleSrc(ctx, []string{resName}))
+ }
+ }
+
}
return &javaResourcesAttributes{
Resources: bazel.MakeLabelListAttribute(resources),
Resource_strip_prefix: resourceStripPrefix,
+ Additional_resources: bazel.MakeLabelListAttribute(additionalResourceLabels),
}
}
@@ -2815,8 +2886,9 @@ type javaAidlLibraryAttributes struct {
// depending on the module type.
type bp2BuildJavaInfo struct {
// separates dependencies into dynamic dependencies and static dependencies.
- DepLabels *javaDependencyLabels
- hasKotlin bool
+ DepLabels *javaDependencyLabels
+ hasKotlin bool
+ onlyProtoInSrcs bool
}
func javaXsdTargetName(xsd android.XsdConfigBp2buildTargets) string {
@@ -2828,17 +2900,31 @@ func javaXsdTargetName(xsd android.XsdConfigBp2buildTargets) string {
// 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) {
+func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext) (*javaCommonAttributes, *bp2BuildJavaInfo, bool) {
var srcs bazel.LabelListAttribute
var deps bazel.LabelListAttribute
var staticDeps bazel.LabelListAttribute
+ if proptools.String(m.deviceProperties.Sdk_version) == "" && m.DeviceSupported() {
+ // TODO(b/297356704): handle platform apis in bp2build
+ ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_PROPERTY_UNSUPPORTED, "sdk_version unset")
+ return &javaCommonAttributes{}, &bp2BuildJavaInfo{}, false
+ } else if proptools.String(m.deviceProperties.Sdk_version) == "core_platform" {
+ // TODO(b/297356582): handle core_platform in bp2build
+ ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_PROPERTY_UNSUPPORTED, "sdk_version core_platform")
+ return &javaCommonAttributes{}, &bp2BuildJavaInfo{}, false
+ }
+
archVariantProps := m.GetArchVariantProperties(ctx, &CommonProperties{})
for axis, configToProps := range archVariantProps {
for config, _props := range configToProps {
if archProps, ok := _props.(*CommonProperties); ok {
archSrcs := android.BazelLabelForModuleSrcExcludes(ctx, archProps.Srcs, archProps.Exclude_srcs)
srcs.SetSelectValue(axis, config, archSrcs)
+ if archProps.Jarjar_rules != nil {
+ ctx.MarkBp2buildUnconvertible(bp2build_metrics_proto.UnconvertedReasonType_PROPERTY_UNSUPPORTED, "jarjar_rules")
+ return &javaCommonAttributes{}, &bp2BuildJavaInfo{}, false
+ }
}
}
}
@@ -2865,6 +2951,9 @@ func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext)
staticDeps.Append(srcPartitions[xsdSrcPartition])
+ _, protoInSrcs := srcPartitions[protoSrcPartition]
+ onlyProtoInSrcs := protoInSrcs && len(srcPartitions) == 1
+
if !srcPartitions[logtagSrcPartition].IsEmpty() {
logtagsLibName := m.Name() + "_logtags"
ctx.CreateBazelTargetModule(
@@ -3002,11 +3091,12 @@ func (m *Library) convertLibraryAttrsBp2Build(ctx android.TopDownMutatorContext)
}
bp2BuildInfo := &bp2BuildJavaInfo{
- DepLabels: depLabels,
- hasKotlin: hasKotlin,
+ DepLabels: depLabels,
+ hasKotlin: hasKotlin,
+ onlyProtoInSrcs: onlyProtoInSrcs,
}
- return commonAttrs, bp2BuildInfo
+ return commonAttrs, bp2BuildInfo, true
}
type javaLibraryAttributes struct {
@@ -3036,20 +3126,36 @@ func javaLibraryBazelTargetModuleProperties() bazel.BazelTargetModuleProperties
}
func javaLibraryBp2Build(ctx android.TopDownMutatorContext, m *Library) {
- commonAttrs, bp2BuildInfo := m.convertLibraryAttrsBp2Build(ctx)
+ commonAttrs, bp2BuildInfo, supported := m.convertLibraryAttrsBp2Build(ctx)
+ if !supported {
+ return
+ }
depLabels := bp2BuildInfo.DepLabels
deps := depLabels.Deps
+ exports := depLabels.StaticDeps
if !commonAttrs.Srcs.IsEmpty() {
- deps.Append(depLabels.StaticDeps) // we should only append these if there are sources to use them
+ deps.Append(exports) // we should only append these if there are sources to use them
} else if !deps.IsEmpty() {
- ctx.ModuleErrorf("Module has direct dependencies but no sources. Bazel will not allow this.")
+ if bp2BuildInfo.onlyProtoInSrcs {
+ // java_library does not accept deps when there are no srcs because
+ // there is no compilation happening, but it accepts exports.
+ // bp2build converts this module to 2 java_libraries + java_xx_proto_library + proto_library
+ // the non-empty deps here are not necessary for compiling the protos, in which case
+ // they're unnecessary as deps on the java_library as well since they aren't
+ // being propagated to any dependencies.
+ // so we can put the deps to exports and drop deps here.
+ exports.Append(deps)
+ deps = bazel.LabelListAttribute{}
+ } else {
+ 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,
+ Exports: exports,
}
name := m.Name()
@@ -3083,7 +3189,10 @@ type javaBinaryHostAttributes struct {
// JavaBinaryHostBp2Build is for java_binary_host bp2build.
func javaBinaryHostBp2Build(ctx android.TopDownMutatorContext, m *Binary) {
- commonAttrs, bp2BuildInfo := m.convertLibraryAttrsBp2Build(ctx)
+ commonAttrs, bp2BuildInfo, supported := m.convertLibraryAttrsBp2Build(ctx)
+ if !supported {
+ return
+ }
depLabels := bp2BuildInfo.DepLabels
deps := depLabels.Deps
@@ -3167,7 +3276,10 @@ type javaTestHostAttributes struct {
// javaTestHostBp2Build is for java_test_host bp2build.
func javaTestHostBp2Build(ctx android.TopDownMutatorContext, m *TestHost) {
- commonAttrs, bp2BuildInfo := m.convertLibraryAttrsBp2Build(ctx)
+ commonAttrs, bp2BuildInfo, supported := m.convertLibraryAttrsBp2Build(ctx)
+ if !supported {
+ return
+ }
depLabels := bp2BuildInfo.DepLabels
deps := depLabels.Deps
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-10-30 13:21:17 +0000