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-rw-r--r--android/apex.go126
-rw-r--r--android/apex_test.go111
-rw-r--r--android/module.go3
-rw-r--r--android/testing.go2
4 files changed, 225 insertions, 17 deletions
diff --git a/android/apex.go b/android/apex.go
index 100beb012..83a7fe1f4 100644
--- a/android/apex.go
+++ b/android/apex.go
@@ -34,6 +34,17 @@ type ApexInfo struct {
MinSdkVersion int
Updatable bool
+ RequiredSdks SdkRefs
+
+ InApexes []string
+}
+
+func (i ApexInfo) mergedName() string {
+ name := "apex" + strconv.Itoa(i.MinSdkVersion)
+ for _, sdk := range i.RequiredSdks {
+ name += "_" + sdk.Name + "_" + sdk.Version
+ }
+ return name
}
// Extracted from ApexModule to make it easier to define custom subsets of the
@@ -69,17 +80,20 @@ type ApexModule interface {
// Call this before apex.apexMutator is run.
BuildForApex(apex ApexInfo)
- // Returns the APEXes that this module will be built for
- ApexVariations() []ApexInfo
-
// Returns the name of APEX variation that this module will be built for.
- //Empty string is returned when 'IsForPlatform() == true'. Note that a
- // module can be included in multiple APEXes, in which case, the module
- // is mutated into multiple modules each of which for an APEX. This method
- // returns the name of the APEX that a variant module is for.
+ // Empty string is returned when 'IsForPlatform() == true'. Note that a
+ // module can beincluded in multiple APEXes, in which case, the module
+ // is mutated into one or more variants, each of which is for one or
+ // more APEXes. This method returns the name of the APEX variation of
+ // the module.
// Call this after apex.apexMutator is run.
ApexVariationName() string
+ // Returns the name of the APEX modules that this variant of this module
+ // is present in.
+ // Call this after apex.apexMutator is run.
+ InApexes() []string
+
// Tests whether this module will be built for the platform or not.
// This is a shortcut for ApexVariationName() == ""
IsForPlatform() bool
@@ -128,6 +142,15 @@ type ApexModule interface {
// Returns nil if this module supports sdkVersion
// Otherwise, returns error with reason
ShouldSupportSdkVersion(ctx BaseModuleContext, sdkVersion int) error
+
+ // Returns true if this module needs a unique variation per apex, for example if
+ // use_apex_name_macro is set.
+ UniqueApexVariations() bool
+
+ // UpdateUniqueApexVariationsForDeps sets m.uniqueApexVariationsForDeps if any dependencies
+ // that are in the same APEX have unique APEX variations so that the module can link against
+ // the right variant.
+ UpdateUniqueApexVariationsForDeps(mctx BottomUpMutatorContext)
}
type ApexProperties struct {
@@ -144,6 +167,8 @@ type ApexProperties struct {
Info ApexInfo `blueprint:"mutated"`
NotAvailableForPlatform bool `blueprint:"mutated"`
+
+ UniqueApexVariationsForDeps bool `blueprint:"mutated"`
}
// Marker interface that identifies dependencies that are excluded from APEX
@@ -179,6 +204,22 @@ func (m *ApexModuleBase) TestFor() []string {
return nil
}
+func (m *ApexModuleBase) UniqueApexVariations() bool {
+ return false
+}
+
+func (m *ApexModuleBase) UpdateUniqueApexVariationsForDeps(mctx BottomUpMutatorContext) {
+ mctx.VisitDirectDeps(func(dep Module) {
+ if depApexModule, ok := dep.(ApexModule); ok {
+ if depApexModule.DepIsInSameApex(mctx, depApexModule) &&
+ (depApexModule.UniqueApexVariations() ||
+ depApexModule.apexModuleBase().ApexProperties.UniqueApexVariationsForDeps) {
+ m.ApexProperties.UniqueApexVariationsForDeps = true
+ }
+ }
+ })
+}
+
func (m *ApexModuleBase) BuildForApex(apex ApexInfo) {
m.apexVariationsLock.Lock()
defer m.apexVariationsLock.Unlock()
@@ -190,14 +231,14 @@ func (m *ApexModuleBase) BuildForApex(apex ApexInfo) {
m.apexVariations = append(m.apexVariations, apex)
}
-func (m *ApexModuleBase) ApexVariations() []ApexInfo {
- return m.apexVariations
-}
-
func (m *ApexModuleBase) ApexVariationName() string {
return m.ApexProperties.Info.ApexVariationName
}
+func (m *ApexModuleBase) InApexes() []string {
+ return m.ApexProperties.Info.InApexes
+}
+
func (m *ApexModuleBase) IsForPlatform() bool {
return m.ApexProperties.Info.ApexVariationName == ""
}
@@ -278,14 +319,45 @@ func (a byApexName) Len() int { return len(a) }
func (a byApexName) Swap(i, j int) { a[i], a[j] = a[j], a[i] }
func (a byApexName) Less(i, j int) bool { return a[i].ApexVariationName < a[j].ApexVariationName }
+// mergeApexVariations deduplicates APEX variations that would build identically into a common
+// variation. It returns the reduced list of variations and a list of aliases from the original
+// variation names to the new variation names.
+func mergeApexVariations(apexVariations []ApexInfo) (merged []ApexInfo, aliases [][2]string) {
+ sort.Sort(byApexName(apexVariations))
+ seen := make(map[string]int)
+ for _, apexInfo := range apexVariations {
+ apexName := apexInfo.ApexVariationName
+ mergedName := apexInfo.mergedName()
+ if index, exists := seen[mergedName]; exists {
+ merged[index].InApexes = append(merged[index].InApexes, apexName)
+ merged[index].Updatable = merged[index].Updatable || apexInfo.Updatable
+ } else {
+ seen[mergedName] = len(merged)
+ apexInfo.ApexVariationName = apexInfo.mergedName()
+ apexInfo.InApexes = CopyOf(apexInfo.InApexes)
+ merged = append(merged, apexInfo)
+ }
+ aliases = append(aliases, [2]string{apexName, mergedName})
+ }
+ return merged, aliases
+}
+
func (m *ApexModuleBase) CreateApexVariations(mctx BottomUpMutatorContext) []Module {
if len(m.apexVariations) > 0 {
m.checkApexAvailableProperty(mctx)
- sort.Sort(byApexName(m.apexVariations))
+ var apexVariations []ApexInfo
+ var aliases [][2]string
+ if !mctx.Module().(ApexModule).UniqueApexVariations() && !m.ApexProperties.UniqueApexVariationsForDeps {
+ apexVariations, aliases = mergeApexVariations(m.apexVariations)
+ } else {
+ apexVariations = m.apexVariations
+ }
+
+ sort.Sort(byApexName(apexVariations))
variations := []string{}
variations = append(variations, "") // Original variation for platform
- for _, apex := range m.apexVariations {
+ for _, apex := range apexVariations {
variations = append(variations, apex.ApexVariationName)
}
@@ -302,9 +374,14 @@ func (m *ApexModuleBase) CreateApexVariations(mctx BottomUpMutatorContext) []Mod
mod.MakeUninstallable()
}
if !platformVariation {
- mod.(ApexModule).apexModuleBase().ApexProperties.Info = m.apexVariations[i-1]
+ mod.(ApexModule).apexModuleBase().ApexProperties.Info = apexVariations[i-1]
}
}
+
+ for _, alias := range aliases {
+ mctx.CreateAliasVariation(alias[0], alias[1])
+ }
+
return modules
}
return nil
@@ -339,6 +416,9 @@ func UpdateApexDependency(apex ApexInfo, moduleName string, directDep bool) {
apexNamesMap()[moduleName] = apexesForModule
}
apexesForModule[apex.ApexVariationName] = apexesForModule[apex.ApexVariationName] || directDep
+ for _, apexName := range apex.InApexes {
+ apexesForModule[apexName] = apexesForModule[apex.ApexVariationName] || directDep
+ }
}
// TODO(b/146393795): remove this when b/146393795 is fixed
@@ -354,12 +434,26 @@ func ClearApexDependency() {
func DirectlyInApex(apexName string, moduleName string) bool {
apexNamesMapMutex.Lock()
defer apexNamesMapMutex.Unlock()
- if apexNames, ok := apexNamesMap()[moduleName]; ok {
- return apexNames[apexName]
+ if apexNamesForModule, ok := apexNamesMap()[moduleName]; ok {
+ return apexNamesForModule[apexName]
}
return false
}
+// Tests whether a module named moduleName is directly depended on by all APEXes
+// in a list of apexNames.
+func DirectlyInAllApexes(apexNames []string, moduleName string) bool {
+ apexNamesMapMutex.Lock()
+ defer apexNamesMapMutex.Unlock()
+ for _, apexName := range apexNames {
+ apexNamesForModule := apexNamesMap()[moduleName]
+ if !apexNamesForModule[apexName] {
+ return false
+ }
+ }
+ return true
+}
+
type hostContext interface {
Host() bool
}
diff --git a/android/apex_test.go b/android/apex_test.go
new file mode 100644
index 000000000..db02833e7
--- /dev/null
+++ b/android/apex_test.go
@@ -0,0 +1,111 @@
+// Copyright 2020 Google Inc. All rights reserved.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+// http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+package android
+
+import (
+ "reflect"
+ "testing"
+)
+
+func Test_mergeApexVariations(t *testing.T) {
+ tests := []struct {
+ name string
+ in []ApexInfo
+ wantMerged []ApexInfo
+ wantAliases [][2]string
+ }{
+ {
+ name: "single",
+ in: []ApexInfo{
+ {"foo", 10000, false, nil, []string{"foo"}},
+ },
+ wantMerged: []ApexInfo{
+ {"apex10000", 10000, false, nil, []string{"foo"}},
+ },
+ wantAliases: [][2]string{
+ {"foo", "apex10000"},
+ },
+ },
+ {
+ name: "merge",
+ in: []ApexInfo{
+ {"foo", 10000, false, SdkRefs{{"baz", "1"}}, []string{"foo"}},
+ {"bar", 10000, false, SdkRefs{{"baz", "1"}}, []string{"bar"}},
+ },
+ wantMerged: []ApexInfo{
+ {"apex10000_baz_1", 10000, false, SdkRefs{{"baz", "1"}}, []string{"bar", "foo"}},
+ },
+ wantAliases: [][2]string{
+ {"bar", "apex10000_baz_1"},
+ {"foo", "apex10000_baz_1"},
+ },
+ },
+ {
+ name: "don't merge version",
+ in: []ApexInfo{
+ {"foo", 10000, false, nil, []string{"foo"}},
+ {"bar", 30, false, nil, []string{"bar"}},
+ },
+ wantMerged: []ApexInfo{
+ {"apex30", 30, false, nil, []string{"bar"}},
+ {"apex10000", 10000, false, nil, []string{"foo"}},
+ },
+ wantAliases: [][2]string{
+ {"bar", "apex30"},
+ {"foo", "apex10000"},
+ },
+ },
+ {
+ name: "merge updatable",
+ in: []ApexInfo{
+ {"foo", 10000, false, nil, []string{"foo"}},
+ {"bar", 10000, true, nil, []string{"bar"}},
+ },
+ wantMerged: []ApexInfo{
+ {"apex10000", 10000, true, nil, []string{"bar", "foo"}},
+ },
+ wantAliases: [][2]string{
+ {"bar", "apex10000"},
+ {"foo", "apex10000"},
+ },
+ },
+ {
+ name: "don't merge sdks",
+ in: []ApexInfo{
+ {"foo", 10000, false, SdkRefs{{"baz", "1"}}, []string{"foo"}},
+ {"bar", 10000, false, SdkRefs{{"baz", "2"}}, []string{"bar"}},
+ },
+ wantMerged: []ApexInfo{
+ {"apex10000_baz_2", 10000, false, SdkRefs{{"baz", "2"}}, []string{"bar"}},
+ {"apex10000_baz_1", 10000, false, SdkRefs{{"baz", "1"}}, []string{"foo"}},
+ },
+ wantAliases: [][2]string{
+ {"bar", "apex10000_baz_2"},
+ {"foo", "apex10000_baz_1"},
+ },
+ },
+ }
+ for _, tt := range tests {
+ t.Run(tt.name, func(t *testing.T) {
+ gotMerged, gotAliases := mergeApexVariations(tt.in)
+ if !reflect.DeepEqual(gotMerged, tt.wantMerged) {
+ t.Errorf("mergeApexVariations() gotMerged = %v, want %v", gotMerged, tt.wantMerged)
+ }
+ if !reflect.DeepEqual(gotAliases, tt.wantAliases) {
+ t.Errorf("mergeApexVariations() gotAliases = %v, want %v", gotAliases, tt.wantAliases)
+ }
+ })
+ }
+}
diff --git a/android/module.go b/android/module.go
index b689a87f2..0eb8bc908 100644
--- a/android/module.go
+++ b/android/module.go
@@ -1769,6 +1769,9 @@ func (b *baseModuleContext) VisitDirectDepsBlueprint(visit func(blueprint.Module
func (b *baseModuleContext) VisitDirectDeps(visit func(Module)) {
b.bp.VisitDirectDeps(func(module blueprint.Module) {
+ if module == nil {
+ panic("Unexpected nil module in VisitDirectDeps")
+ }
if aModule := b.validateAndroidModule(module, b.strictVisitDeps); aModule != nil {
visit(aModule)
}
diff --git a/android/testing.go b/android/testing.go
index f32d745c2..8a9134c75 100644
--- a/android/testing.go
+++ b/android/testing.go
@@ -394,7 +394,7 @@ func FailIfNoMatchingErrors(t *testing.T, pattern string, errs []error) {
if !found {
t.Errorf("missing the expected error %q (checked %d error(s))", pattern, len(errs))
for i, err := range errs {
- t.Errorf("errs[%d] = %s", i, err)
+ t.Errorf("errs[%d] = %q", i, err)
}
}
}
generated by cgit v1.2.3-59-g8ed1b (git 2.39.0) at 2025-11-28 05:00:02 +0000