diff options
Diffstat (limited to 'apex/apex.go')
-rw-r--r-- | apex/apex.go | 168 |
1 files changed, 57 insertions, 111 deletions
diff --git a/apex/apex.go b/apex/apex.go index 24b3118a4..33538fb13 100644 --- a/apex/apex.go +++ b/apex/apex.go @@ -61,12 +61,11 @@ func RegisterPreDepsMutators(ctx android.RegisterMutatorsContext) { } func RegisterPostDepsMutators(ctx android.RegisterMutatorsContext) { - ctx.TopDown("apex_info", apexInfoMutator) ctx.BottomUp("apex_unique", apexUniqueVariationsMutator) // Run mark_platform_availability before the apexMutator as the apexMutator needs to know whether // it should create a platform variant. ctx.BottomUp("mark_platform_availability", markPlatformAvailability) - ctx.Transition("apex", &apexTransitionMutator{}) + ctx.InfoBasedTransition("apex", android.NewGenericTransitionMutatorAdapter(&apexTransitionMutator{})) } type apexBundleProperties struct { @@ -996,45 +995,29 @@ func (a *apexBundle) OverridablePropertiesDepsMutator(ctx android.BottomUpMutato } } -var _ ApexInfoMutator = (*apexBundle)(nil) +var _ ApexTransitionMutator = (*apexBundle)(nil) func (a *apexBundle) ApexVariationName() string { return a.properties.ApexVariationName } -// ApexInfoMutator is responsible for collecting modules that need to have apex variants. They are -// identified by doing a graph walk starting from an apexBundle. Basically, all the (direct and -// indirect) dependencies are collected. But a few types of modules that shouldn't be included in -// the apexBundle (e.g. stub libraries) are not collected. Note that a single module can be depended -// on by multiple apexBundles. In that case, the module is collected for all of the apexBundles. -// -// For each dependency between an apex and an ApexModule an ApexInfo object describing the apex -// is passed to that module's BuildForApex(ApexInfo) method which collates them all in a list. -// The apexMutator uses that list to create module variants for the apexes to which it belongs. -// The relationship between module variants and apexes is not one-to-one as variants will be -// shared between compatible apexes. -func (a *apexBundle) ApexInfoMutator(mctx android.TopDownMutatorContext) { +type generateApexInfoContext interface { + android.MinSdkVersionFromValueContext + Module() android.Module + ModuleName() string +} +// generateApexInfo returns an android.ApexInfo configuration that should be used for dependencies of this apex. +func (a *apexBundle) generateApexInfo(ctx generateApexInfoContext) android.ApexInfo { // The VNDK APEX is special. For the APEX, the membership is described in a very different // way. There is no dependency from the VNDK APEX to the VNDK libraries. Instead, VNDK // libraries are self-identified by their vndk.enabled properties. There is no need to run - // this mutator for the APEX as nothing will be collected. So, let's return fast. + // this mutator for the APEX as nothing will be collected so return an empty ApexInfo. if a.vndkApex { - return - } - - continueApexDepsWalk := func(child, parent android.Module) bool { - am, ok := child.(android.ApexModule) - if !ok || !am.CanHaveApexVariants() { - return false - } - - return android.IsDepInSameApex(mctx, parent, child) + return android.ApexInfo{} } - android.SetProvider(mctx, android.ApexBundleInfoProvider, android.ApexBundleInfo{}) - - minSdkVersion := a.minSdkVersion(mctx) + minSdkVersion := a.minSdkVersion(ctx) // When min_sdk_version is not set, the apex is built against FutureApiLevel. if minSdkVersion.IsNone() { minSdkVersion = android.FutureApiLevel @@ -1043,62 +1026,45 @@ func (a *apexBundle) ApexInfoMutator(mctx android.TopDownMutatorContext) { // This is the main part of this mutator. Mark the collected dependencies that they need to // be built for this apexBundle. - apexVariationName := mctx.ModuleName() // could be com.android.foo + apexVariationName := ctx.ModuleName() // could be com.android.foo if a.GetOverriddenBy() != "" { // use the overridden name com.mycompany.android.foo apexVariationName = a.GetOverriddenBy() } - a.properties.ApexVariationName = apexVariationName apexInfo := android.ApexInfo{ ApexVariationName: apexVariationName, MinSdkVersion: minSdkVersion, Updatable: a.Updatable(), UsePlatformApis: a.UsePlatformApis(), - InApexVariants: []string{apexVariationName}, - BaseApexName: mctx.ModuleName(), + BaseApexName: ctx.ModuleName(), ApexAvailableName: proptools.String(a.properties.Apex_available_name), } - mctx.WalkDeps(func(child, parent android.Module) bool { - if parent == mctx.Module() { - tag := mctx.OtherModuleDependencyTag(child) - if _, ok := tag.(*dependencyTag); !ok { - return false - } - } - if !continueApexDepsWalk(child, parent) { - return false - } - child.(android.ApexModule).BuildForApex(apexInfo) // leave a mark! - return true - }) + return apexInfo } -type ApexInfoMutator interface { - // ApexVariationName returns the name of the APEX variation to use in the apex - // mutator etc. It is the same name as ApexInfo.ApexVariationName. - ApexVariationName() string +func (a *apexBundle) ApexTransitionMutatorSplit(ctx android.BaseModuleContext) []android.ApexInfo { + return []android.ApexInfo{a.generateApexInfo(ctx)} +} - // ApexInfoMutator implementations must call BuildForApex(ApexInfo) on any modules that are - // depended upon by an apex and which require an apex specific variant. - ApexInfoMutator(android.TopDownMutatorContext) +func (a *apexBundle) ApexTransitionMutatorOutgoing(ctx android.OutgoingTransitionContext, sourceInfo android.ApexInfo) android.ApexInfo { + return sourceInfo } -// apexInfoMutator delegates the work of identifying which modules need an ApexInfo and apex -// specific variant to modules that support the ApexInfoMutator. -// It also propagates updatable=true to apps of updatable apexes -func apexInfoMutator(mctx android.TopDownMutatorContext) { - if !mctx.Module().Enabled(mctx) { - return - } +func (a *apexBundle) ApexTransitionMutatorIncoming(ctx android.IncomingTransitionContext, outgoingInfo android.ApexInfo) android.ApexInfo { + return a.generateApexInfo(ctx) +} - if a, ok := mctx.Module().(ApexInfoMutator); ok { - a.ApexInfoMutator(mctx) - } +func (a *apexBundle) ApexTransitionMutatorMutate(ctx android.BottomUpMutatorContext, info android.ApexInfo) { + android.SetProvider(ctx, android.ApexBundleInfoProvider, android.ApexBundleInfo{}) + a.properties.ApexVariationName = info.ApexVariationName +} - if am, ok := mctx.Module().(android.ApexModule); ok { - android.ApexInfoMutator(mctx, am) - } +type ApexTransitionMutator interface { + ApexTransitionMutatorSplit(ctx android.BaseModuleContext) []android.ApexInfo + ApexTransitionMutatorOutgoing(ctx android.OutgoingTransitionContext, sourceInfo android.ApexInfo) android.ApexInfo + ApexTransitionMutatorIncoming(ctx android.IncomingTransitionContext, outgoingInfo android.ApexInfo) android.ApexInfo + ApexTransitionMutatorMutate(ctx android.BottomUpMutatorContext, info android.ApexInfo) } // TODO: b/215736885 Whittle the denylist @@ -1213,49 +1179,35 @@ func markPlatformAvailability(mctx android.BottomUpMutatorContext) { type apexTransitionMutator struct{} -func (a *apexTransitionMutator) Split(ctx android.BaseModuleContext) []string { - // apexBundle itself is mutated so that it and its dependencies have the same apex variant. - if ai, ok := ctx.Module().(ApexInfoMutator); ok && apexModuleTypeRequiresVariant(ai) { - if overridable, ok := ctx.Module().(android.OverridableModule); ok && overridable.GetOverriddenBy() != "" { - return []string{overridable.GetOverriddenBy()} - } - return []string{ai.ApexVariationName()} +func (a *apexTransitionMutator) Split(ctx android.BaseModuleContext) []android.ApexInfo { + if ai, ok := ctx.Module().(ApexTransitionMutator); ok { + return ai.ApexTransitionMutatorSplit(ctx) } - return []string{""} + return []android.ApexInfo{{}} } -func (a *apexTransitionMutator) OutgoingTransition(ctx android.OutgoingTransitionContext, sourceVariation string) string { - return sourceVariation -} - -func (a *apexTransitionMutator) IncomingTransition(ctx android.IncomingTransitionContext, incomingVariation string) string { - if am, ok := ctx.Module().(android.ApexModule); ok && am.CanHaveApexVariants() { - return android.IncomingApexTransition(ctx, incomingVariation) - } else if ai, ok := ctx.Module().(ApexInfoMutator); ok { - if overridable, ok := ctx.Module().(android.OverridableModule); ok && overridable.GetOverriddenBy() != "" { - return overridable.GetOverriddenBy() - } - return ai.ApexVariationName() +func (a *apexTransitionMutator) OutgoingTransition(ctx android.OutgoingTransitionContext, sourceInfo android.ApexInfo) android.ApexInfo { + if ai, ok := ctx.Module().(ApexTransitionMutator); ok { + return ai.ApexTransitionMutatorOutgoing(ctx, sourceInfo) } - - return "" + return android.ApexInfo{} } -func (a *apexTransitionMutator) Mutate(ctx android.BottomUpMutatorContext, variation string) { - if am, ok := ctx.Module().(android.ApexModule); ok && am.CanHaveApexVariants() { - android.MutateApexTransition(ctx, variation) +func (a *apexTransitionMutator) IncomingTransition(ctx android.IncomingTransitionContext, outgoingInfo android.ApexInfo) android.ApexInfo { + if ai, ok := ctx.Module().(ApexTransitionMutator); ok { + return ai.ApexTransitionMutatorIncoming(ctx, outgoingInfo) } + return android.ApexInfo{} } -// apexModuleTypeRequiresVariant determines whether the module supplied requires an apex specific -// variant. -func apexModuleTypeRequiresVariant(module ApexInfoMutator) bool { - if a, ok := module.(*apexBundle); ok { - // TODO(jiyong): document the reason why the VNDK APEX is an exception here. - return !a.vndkApex +func (a *apexTransitionMutator) Mutate(ctx android.BottomUpMutatorContext, info android.ApexInfo) { + if ai, ok := ctx.Module().(ApexTransitionMutator); ok { + ai.ApexTransitionMutatorMutate(ctx, info) } +} - return true +func (a *apexTransitionMutator) TransitionInfoFromVariation(variation string) android.ApexInfo { + panic(fmt.Errorf("adding dependencies on explicit apex variations is not supported")) } const ( @@ -1677,10 +1629,6 @@ func apexFileForFilesystem(ctx android.BaseModuleContext, buildFile android.Path // to the child modules. Returning false makes the visit to continue in the sibling or the parent // modules. This is used in check* functions below. func (a *apexBundle) WalkPayloadDeps(ctx android.BaseModuleContext, do android.PayloadDepsCallback) { - apexVariationName := ctx.ModuleName() - if overrideName := a.GetOverriddenBy(); overrideName != "" { - apexVariationName = overrideName - } ctx.WalkDeps(func(child, parent android.Module) bool { am, ok := child.(android.ApexModule) if !ok || !am.CanHaveApexVariants() { @@ -1699,8 +1647,7 @@ func (a *apexBundle) WalkPayloadDeps(ctx android.BaseModuleContext, do android.P return false } - ai, _ := android.OtherModuleProvider(ctx, child, android.ApexInfoProvider) - externalDep := !android.InList(apexVariationName, ai.InApexVariants) + externalDep := !android.IsDepInSameApex(ctx, parent, child) // Visit actually return do(ctx, parent, am, externalDep) @@ -1725,8 +1672,7 @@ func (a *apexBundle) WalkPayloadDepsProxy(ctx android.BaseModuleContext, return false } - ai, _ := android.OtherModuleProvider(ctx, child, android.ApexInfoProvider) - externalDep := !android.InList(ctx.ModuleName(), ai.InApexVariants) + externalDep := !android.IsDepInSameApex(ctx, parent, child) // Visit actually return do(ctx, parent, child, externalDep) @@ -2573,7 +2519,7 @@ func (a *apexBundle) CheckMinSdkVersion(ctx android.ModuleContext) { } // Returns apex's min_sdk_version string value, honoring overrides -func (a *apexBundle) minSdkVersionValue(ctx android.EarlyModuleContext) string { +func (a *apexBundle) minSdkVersionValue(ctx android.MinSdkVersionFromValueContext) string { // Only override the minSdkVersion value on Apexes which already specify // a min_sdk_version (it's optional for non-updatable apexes), and that its // min_sdk_version value is lower than the one to override with. @@ -2597,7 +2543,7 @@ func (a *apexBundle) MinSdkVersion(ctx android.EarlyModuleContext) android.ApiLe } // Returns apex's min_sdk_version ApiLevel, honoring overrides -func (a *apexBundle) minSdkVersion(ctx android.EarlyModuleContext) android.ApiLevel { +func (a *apexBundle) minSdkVersion(ctx android.MinSdkVersionFromValueContext) android.ApiLevel { return android.MinSdkVersionFromValue(ctx, a.minSdkVersionValue(ctx)) } @@ -2613,7 +2559,7 @@ func (a *apexBundle) checkStaticLinkingToStubLibraries(ctx android.ModuleContext librariesDirectlyInApex[ctx.OtherModuleName(dep)] = true }) - a.WalkPayloadDepsProxy(ctx, func(ctx android.BaseModuleContext, from, to android.ModuleProxy, externalDep bool) bool { + a.WalkPayloadDeps(ctx, func(ctx android.BaseModuleContext, from android.Module, to android.ApexModule, externalDep bool) bool { if info, ok := android.OtherModuleProvider(ctx, to, cc.LinkableInfoProvider); ok { // If `to` is not actually in the same APEX as `from` then it does not need // apex_available and neither do any of its dependencies. @@ -2727,7 +2673,7 @@ func (a *apexBundle) checkApexAvailability(ctx android.ModuleContext) { return } - a.WalkPayloadDepsProxy(ctx, func(ctx android.BaseModuleContext, from, to android.ModuleProxy, externalDep bool) bool { + a.WalkPayloadDeps(ctx, func(ctx android.BaseModuleContext, from android.Module, to android.ApexModule, externalDep bool) bool { // As soon as the dependency graph crosses the APEX boundary, don't go further. if externalDep { return false @@ -2745,7 +2691,7 @@ func (a *apexBundle) checkApexAvailability(ctx android.ModuleContext) { toName := ctx.OtherModuleName(to) if android.CheckAvailableForApex(apexName, - android.OtherModuleProviderOrDefault(ctx, to, android.ApexInfoProvider).ApexAvailableFor) { + android.OtherModuleProviderOrDefault(ctx, to, android.ApexAvailableInfoProvider).ApexAvailableFor) { return true } |