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Convert trivial TopDown mutators to BottomUp

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Many TopDown mutators can be easily converted to BottomUp mutators,
which are easier to handle for incremental and partial analysis.

Bug: 367784740
Test: all soong tests pass
Test: no change to build.ninja
Flag: EXEMPT refactor
Change-Id: I82955e844ed0eb6680854678c0744ac5398eb7ba
This commit is contained in:
Colin Cross
2024-09-17 14:25:45 -07:00
parent 167230037c
commit da279cfba4
9 changed files with 61 additions and 55 deletions
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3
apex/apex.go
View File

@@ -55,11 +55,10 @@ func registerApexBuildComponents(ctx android.RegistrationContext) {
}
func registerPreArchMutators(ctx android.RegisterMutatorsContext) {
ctx.TopDown("prebuilt_apex_module_creator", prebuiltApexModuleCreatorMutator).Parallel()
ctx.BottomUp("prebuilt_apex_module_creator", prebuiltApexModuleCreatorMutator).Parallel()
}
func RegisterPreDepsMutators(ctx android.RegisterMutatorsContext) {
ctx.TopDown("apex_vndk", apexVndkMutator).Parallel()
ctx.BottomUp("apex_vndk_deps", apexVndkDepsMutator).Parallel()
}

14
apex/prebuilt.go
View File

@@ -265,7 +265,7 @@ func (p *prebuiltCommon) AndroidMkEntries() []android.AndroidMkEntries {
// prebuiltApexModuleCreator defines the methods that need to be implemented by prebuilt_apex and
// apex_set in order to create the modules needed to provide access to the prebuilt .apex file.
type prebuiltApexModuleCreator interface {
createPrebuiltApexModules(ctx android.TopDownMutatorContext)
createPrebuiltApexModules(ctx android.BottomUpMutatorContext)
}
// prebuiltApexModuleCreatorMutator is the mutator responsible for invoking the
@@ -275,7 +275,7 @@ type prebuiltApexModuleCreator interface {
// will need to access dependencies added by that (exported modules) but must run before the
// DepsMutator so that the deapexer module it creates can add dependencies onto itself from the
// exported modules.
func prebuiltApexModuleCreatorMutator(ctx android.TopDownMutatorContext) {
func prebuiltApexModuleCreatorMutator(ctx android.BottomUpMutatorContext) {
module := ctx.Module()
if creator, ok := module.(prebuiltApexModuleCreator); ok {
creator.createPrebuiltApexModules(ctx)
@@ -543,7 +543,7 @@ func PrebuiltFactory() android.Module {
return module
}
func createApexSelectorModule(ctx android.TopDownMutatorContext, name string, apexFileProperties *ApexFileProperties) {
func createApexSelectorModule(ctx android.BottomUpMutatorContext, name string, apexFileProperties *ApexFileProperties) {
props := struct {
Name *string
}{
@@ -561,7 +561,7 @@ func createApexSelectorModule(ctx android.TopDownMutatorContext, name string, ap
// A deapexer module is only needed when the prebuilt apex specifies one or more modules in either
// the `exported_java_libs` or `exported_bootclasspath_fragments` properties as that indicates that
// the listed modules need access to files from within the prebuilt .apex file.
func (p *prebuiltCommon) createDeapexerModuleIfNeeded(ctx android.TopDownMutatorContext, deapexerName string, apexFileSource string) {
func (p *prebuiltCommon) createDeapexerModuleIfNeeded(ctx android.BottomUpMutatorContext, deapexerName string, apexFileSource string) {
// Only create the deapexer module if it is needed.
if !p.hasExportedDeps() {
return
@@ -703,7 +703,7 @@ var _ prebuiltApexModuleCreator = (*Prebuilt)(nil)
// / | \
// V V V
// selector <--- deapexer <--- exported java lib
func (p *Prebuilt) createPrebuiltApexModules(ctx android.TopDownMutatorContext) {
func (p *Prebuilt) createPrebuiltApexModules(ctx android.BottomUpMutatorContext) {
apexSelectorModuleName := apexSelectorModuleName(p.Name())
createApexSelectorModule(ctx, apexSelectorModuleName, &p.properties.ApexFileProperties)
@@ -958,7 +958,7 @@ func apexSetFactory() android.Module {
return module
}
func createApexExtractorModule(ctx android.TopDownMutatorContext, name string, apexExtractorProperties *ApexExtractorProperties) {
func createApexExtractorModule(ctx android.BottomUpMutatorContext, name string, apexExtractorProperties *ApexExtractorProperties) {
props := struct {
Name *string
}{
@@ -984,7 +984,7 @@ var _ prebuiltApexModuleCreator = (*ApexSet)(nil)
// prebuilt_apex except that instead of creating a selector module which selects one .apex file
// from those provided this creates an extractor module which extracts the appropriate .apex file
// from the zip file containing them.
func (a *ApexSet) createPrebuiltApexModules(ctx android.TopDownMutatorContext) {
func (a *ApexSet) createPrebuiltApexModules(ctx android.BottomUpMutatorContext) {
apexExtractorModuleName := apexExtractorModuleName(a.Name())
createApexExtractorModule(ctx, apexExtractorModuleName, &a.properties.ApexExtractorProperties)

47
apex/vndk.go
View File

@@ -54,30 +54,6 @@ type apexVndkProperties struct {
Vndk_version *string
}
func apexVndkMutator(mctx android.TopDownMutatorContext) {
if ab, ok := mctx.Module().(*apexBundle); ok && ab.vndkApex {
if ab.IsNativeBridgeSupported() {
mctx.PropertyErrorf("native_bridge_supported", "%q doesn't support native bridge binary.", mctx.ModuleType())
}
vndkVersion := ab.vndkVersion()
if vndkVersion != "" {
apiLevel, err := android.ApiLevelFromUser(mctx, vndkVersion)
if err != nil {
mctx.PropertyErrorf("vndk_version", "%s", err.Error())
return
}
targets := mctx.MultiTargets()
if len(targets) > 0 && apiLevel.LessThan(cc.MinApiForArch(mctx, targets[0].Arch.ArchType)) {
// Disable VNDK APEXes for VNDK versions less than the minimum supported API
// level for the primary architecture.
ab.Disable()
}
}
}
}
func apexVndkDepsMutator(mctx android.BottomUpMutatorContext) {
if m, ok := mctx.Module().(*cc.Module); ok && cc.IsForVndkApex(mctx, m) {
vndkVersion := m.VndkVersion()
@@ -93,8 +69,27 @@ func apexVndkDepsMutator(mctx android.BottomUpMutatorContext) {
mctx.AddReverseDependency(mctx.Module(), sharedLibTag, vndkApexName)
}
} else if a, ok := mctx.Module().(*apexBundle); ok && a.vndkApex {
vndkVersion := proptools.StringDefault(a.vndkProperties.Vndk_version, "current")
mctx.AddDependency(mctx.Module(), prebuiltTag, cc.VndkLibrariesTxtModules(vndkVersion, mctx)...)
if a.IsNativeBridgeSupported() {
mctx.PropertyErrorf("native_bridge_supported", "%q doesn't support native bridge binary.", mctx.ModuleType())
}
vndkVersion := a.vndkVersion()
if vndkVersion != "" {
apiLevel, err := android.ApiLevelFromUser(mctx, vndkVersion)
if err != nil {
mctx.PropertyErrorf("vndk_version", "%s", err.Error())
return
}
targets := mctx.MultiTargets()
if len(targets) > 0 && apiLevel.LessThan(cc.MinApiForArch(mctx, targets[0].Arch.ArchType)) {
// Disable VNDK APEXes for VNDK versions less than the minimum supported API
// level for the primary architecture.
a.Disable()
} else {
mctx.AddDependency(mctx.Module(), prebuiltTag, cc.VndkLibrariesTxtModules(vndkVersion, mctx)...)
}
}
}
}