Improve java.go readability.

Test: TreeHugger
Change-Id: I98bb7bddb740451ff2ccd28dcdaddff27e35a8cd
This commit is contained in:
Jaewoong Jung 2021-03-10 17:02:43 -08:00
parent 05f72de083
commit bc15e3a798
4 changed files with 118 additions and 103 deletions

View File

@ -302,7 +302,7 @@ func (a *AndroidApp) checkAppSdkVersions(ctx android.ModuleContext) {
// This check is enforced for "updatable" APKs (including APK-in-APEX).
// b/155209650: until min_sdk_version is properly supported, use sdk_version instead.
// because, sdk_version is overridden by min_sdk_version (if set as smaller)
// and linkType is checked with dependencies so we can be sure that the whole dependency tree
// and sdkLinkType is checked with dependencies so we can be sure that the whole dependency tree
// will meet the requirements.
func (a *AndroidApp) checkJniLibsSdkVersion(ctx android.ModuleContext, minSdkVersion sdkVersion) {
// It's enough to check direct JNI deps' sdk_version because all transitive deps from JNI deps are checked in cc.checkLinkType()

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@ -37,6 +37,36 @@ import (
func init() {
RegisterJavaBuildComponents(android.InitRegistrationContext)
RegisterJavaSdkMemberTypes()
}
func RegisterJavaBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("java_defaults", DefaultsFactory)
ctx.RegisterModuleType("java_library", LibraryFactory)
ctx.RegisterModuleType("java_library_static", LibraryStaticFactory)
ctx.RegisterModuleType("java_library_host", LibraryHostFactory)
ctx.RegisterModuleType("java_binary", BinaryFactory)
ctx.RegisterModuleType("java_binary_host", BinaryHostFactory)
ctx.RegisterModuleType("java_test", TestFactory)
ctx.RegisterModuleType("java_test_helper_library", TestHelperLibraryFactory)
ctx.RegisterModuleType("java_test_host", TestHostFactory)
ctx.RegisterModuleType("java_test_import", JavaTestImportFactory)
ctx.RegisterModuleType("java_import", ImportFactory)
ctx.RegisterModuleType("java_import_host", ImportFactoryHost)
ctx.RegisterModuleType("java_device_for_host", DeviceForHostFactory)
ctx.RegisterModuleType("java_host_for_device", HostForDeviceFactory)
ctx.RegisterModuleType("dex_import", DexImportFactory)
ctx.FinalDepsMutators(func(ctx android.RegisterMutatorsContext) {
ctx.BottomUp("dexpreopt_tool_deps", dexpreoptToolDepsMutator).Parallel()
})
ctx.RegisterSingletonType("logtags", LogtagsSingleton)
ctx.RegisterSingletonType("kythe_java_extract", kytheExtractJavaFactory)
}
func RegisterJavaSdkMemberTypes() {
// Register sdk member types.
android.RegisterSdkMemberType(javaHeaderLibsSdkMemberType)
@ -89,85 +119,7 @@ func init() {
PropertyName: "java_tests",
},
})
}
func RegisterJavaBuildComponents(ctx android.RegistrationContext) {
ctx.RegisterModuleType("java_defaults", DefaultsFactory)
ctx.RegisterModuleType("java_library", LibraryFactory)
ctx.RegisterModuleType("java_library_static", LibraryStaticFactory)
ctx.RegisterModuleType("java_library_host", LibraryHostFactory)
ctx.RegisterModuleType("java_binary", BinaryFactory)
ctx.RegisterModuleType("java_binary_host", BinaryHostFactory)
ctx.RegisterModuleType("java_test", TestFactory)
ctx.RegisterModuleType("java_test_helper_library", TestHelperLibraryFactory)
ctx.RegisterModuleType("java_test_host", TestHostFactory)
ctx.RegisterModuleType("java_test_import", JavaTestImportFactory)
ctx.RegisterModuleType("java_import", ImportFactory)
ctx.RegisterModuleType("java_import_host", ImportFactoryHost)
ctx.RegisterModuleType("java_device_for_host", DeviceForHostFactory)
ctx.RegisterModuleType("java_host_for_device", HostForDeviceFactory)
ctx.RegisterModuleType("dex_import", DexImportFactory)
ctx.FinalDepsMutators(func(ctx android.RegisterMutatorsContext) {
ctx.BottomUp("dexpreopt_tool_deps", dexpreoptToolDepsMutator).Parallel()
})
ctx.RegisterSingletonType("logtags", LogtagsSingleton)
ctx.RegisterSingletonType("kythe_java_extract", kytheExtractJavaFactory)
}
func (j *Module) CheckStableSdkVersion() error {
sdkVersion := j.sdkVersion()
if sdkVersion.stable() {
return nil
}
if sdkVersion.kind == sdkCorePlatform {
if useLegacyCorePlatformApiByName(j.BaseModuleName()) {
return fmt.Errorf("non stable SDK %v - uses legacy core platform", sdkVersion)
} else {
// Treat stable core platform as stable.
return nil
}
} else {
return fmt.Errorf("non stable SDK %v", sdkVersion)
}
}
func (j *Module) checkSdkVersions(ctx android.ModuleContext) {
if j.RequiresStableAPIs(ctx) {
if sc, ok := ctx.Module().(sdkContext); ok {
if !sc.sdkVersion().specified() {
ctx.PropertyErrorf("sdk_version",
"sdk_version must have a value when the module is located at vendor or product(only if PRODUCT_ENFORCE_PRODUCT_PARTITION_INTERFACE is set).")
}
}
}
ctx.VisitDirectDeps(func(module android.Module) {
tag := ctx.OtherModuleDependencyTag(module)
switch module.(type) {
// TODO(satayev): cover other types as well, e.g. imports
case *Library, *AndroidLibrary:
switch tag {
case bootClasspathTag, libTag, staticLibTag, java9LibTag:
checkLinkType(ctx, j, module.(linkTypeContext), tag.(dependencyTag))
}
}
})
}
func (j *Module) checkPlatformAPI(ctx android.ModuleContext) {
if sc, ok := ctx.Module().(sdkContext); ok {
usePlatformAPI := proptools.Bool(j.deviceProperties.Platform_apis)
sdkVersionSpecified := sc.sdkVersion().specified()
if usePlatformAPI && sdkVersionSpecified {
ctx.PropertyErrorf("platform_apis", "platform_apis must be false when sdk_version is not empty.")
} else if !usePlatformAPI && !sdkVersionSpecified {
ctx.PropertyErrorf("platform_apis", "platform_apis must be true when sdk_version is empty.")
}
}
}
// TODO:
@ -179,7 +131,8 @@ func (j *Module) checkPlatformAPI(ctx android.ModuleContext) {
// DroidDoc
// Findbugs
type CompilerProperties struct {
// Properties that are common to most Java modules, i.e. whether it's a host or device module.
type CommonProperties struct {
// list of source files used to compile the Java module. May be .java, .kt, .logtags, .proto,
// or .aidl files.
Srcs []string `android:"path,arch_variant"`
@ -312,7 +265,9 @@ type CompilerProperties struct {
Hiddenapi_additional_annotations []string
}
type CompilerDeviceProperties struct {
// Properties that are specific to device modules. Host module factories should not add these when
// constructing a new module.
type DeviceProperties struct {
// if not blank, set to the version of the sdk to compile against.
// Defaults to compiling against the current platform.
Sdk_version *string
@ -421,9 +376,9 @@ type Module struct {
// Functionality common to Module and Import.
embeddableInModuleAndImport
properties CompilerProperties
properties CommonProperties
protoProperties android.ProtoProperties
deviceProperties CompilerDeviceProperties
deviceProperties DeviceProperties
// jar file containing header classes including static library dependencies, suitable for
// inserting into the bootclasspath/classpath of another compile
@ -508,6 +463,62 @@ type Module struct {
hideApexVariantFromMake bool
}
func (j *Module) CheckStableSdkVersion() error {
sdkVersion := j.sdkVersion()
if sdkVersion.stable() {
return nil
}
if sdkVersion.kind == sdkCorePlatform {
if useLegacyCorePlatformApiByName(j.BaseModuleName()) {
return fmt.Errorf("non stable SDK %v - uses legacy core platform", sdkVersion)
} else {
// Treat stable core platform as stable.
return nil
}
} else {
return fmt.Errorf("non stable SDK %v", sdkVersion)
}
}
// checkSdkVersions enforces restrictions around SDK dependencies.
func (j *Module) checkSdkVersions(ctx android.ModuleContext) {
if j.RequiresStableAPIs(ctx) {
if sc, ok := ctx.Module().(sdkContext); ok {
if !sc.sdkVersion().specified() {
ctx.PropertyErrorf("sdk_version",
"sdk_version must have a value when the module is located at vendor or product(only if PRODUCT_ENFORCE_PRODUCT_PARTITION_INTERFACE is set).")
}
}
}
// Make sure this module doesn't statically link to modules with lower-ranked SDK link type.
// See rank() for details.
ctx.VisitDirectDeps(func(module android.Module) {
tag := ctx.OtherModuleDependencyTag(module)
switch module.(type) {
// TODO(satayev): cover other types as well, e.g. imports
case *Library, *AndroidLibrary:
switch tag {
case bootClasspathTag, libTag, staticLibTag, java9LibTag:
j.checkSdkLinkType(ctx, module.(moduleWithSdkDep), tag.(dependencyTag))
}
}
})
}
func (j *Module) checkPlatformAPI(ctx android.ModuleContext) {
if sc, ok := ctx.Module().(sdkContext); ok {
usePlatformAPI := proptools.Bool(j.deviceProperties.Platform_apis)
sdkVersionSpecified := sc.sdkVersion().specified()
if usePlatformAPI && sdkVersionSpecified {
ctx.PropertyErrorf("platform_apis", "platform_apis must be false when sdk_version is not empty.")
} else if !usePlatformAPI && !sdkVersionSpecified {
ctx.PropertyErrorf("platform_apis", "platform_apis must be true when sdk_version is empty.")
}
}
}
func (j *Module) addHostProperties() {
j.AddProperties(
&j.properties,
@ -1008,13 +1019,13 @@ func checkProducesJars(ctx android.ModuleContext, dep android.SourceFileProducer
}
}
type linkType int
type sdkLinkType int
const (
// TODO(jiyong) rename these for better readability. Make the allowed
// and disallowed link types explicit
// order is important here. See rank()
javaCore linkType = iota
javaCore sdkLinkType = iota
javaSdk
javaSystem
javaModule
@ -1022,7 +1033,7 @@ const (
javaPlatform
)
func (lt linkType) String() string {
func (lt sdkLinkType) String() string {
switch lt {
case javaCore:
return "core Java API"
@ -1041,18 +1052,19 @@ func (lt linkType) String() string {
}
}
// rank determins the total order among linkTypes. A link type of rank A can link to another link
// type of rank B only when B <= A
func (lt linkType) rank() int {
// rank determines the total order among sdkLinkType. An SDK link type of rank A can link to
// another SDK link type of rank B only when B <= A. For example, a module linking to Android SDK
// can't statically depend on modules that use Platform API.
func (lt sdkLinkType) rank() int {
return int(lt)
}
type linkTypeContext interface {
type moduleWithSdkDep interface {
android.Module
getLinkType(name string) (ret linkType, stubs bool)
getSdkLinkType(name string) (ret sdkLinkType, stubs bool)
}
func (m *Module) getLinkType(name string) (ret linkType, stubs bool) {
func (m *Module) getSdkLinkType(name string) (ret sdkLinkType, stubs bool) {
switch name {
case "core.current.stubs", "legacy.core.platform.api.stubs", "stable.core.platform.api.stubs",
"stub-annotations", "private-stub-annotations-jar",
@ -1096,23 +1108,26 @@ func (m *Module) getLinkType(name string) (ret linkType, stubs bool) {
return javaSdk, false
}
func checkLinkType(ctx android.ModuleContext, from *Module, to linkTypeContext, tag dependencyTag) {
// checkSdkLinkType make sures the given dependency doesn't have a lower SDK link type rank than
// this module's. See the comment on rank() for details and an example.
func (j *Module) checkSdkLinkType(
ctx android.ModuleContext, dep moduleWithSdkDep, tag dependencyTag) {
if ctx.Host() {
return
}
myLinkType, stubs := from.getLinkType(ctx.ModuleName())
myLinkType, stubs := j.getSdkLinkType(ctx.ModuleName())
if stubs {
return
}
otherLinkType, _ := to.getLinkType(ctx.OtherModuleName(to))
depLinkType, _ := dep.getSdkLinkType(ctx.OtherModuleName(dep))
if myLinkType.rank() < otherLinkType.rank() {
if myLinkType.rank() < depLinkType.rank() {
ctx.ModuleErrorf("compiles against %v, but dependency %q is compiling against %v. "+
"In order to fix this, consider adjusting sdk_version: OR platform_apis: "+
"property of the source or target module so that target module is built "+
"with the same or smaller API set when compared to the source.",
myLinkType, ctx.OtherModuleName(to), otherLinkType)
myLinkType, ctx.OtherModuleName(dep), depLinkType)
}
}
@ -1133,7 +1148,7 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
}
}
linkType, _ := j.getLinkType(ctx.ModuleName())
sdkLinkType, _ := j.getSdkLinkType(ctx.ModuleName())
ctx.VisitDirectDeps(func(module android.Module) {
otherName := ctx.OtherModuleName(module)
@ -1157,7 +1172,7 @@ func (j *Module) collectDeps(ctx android.ModuleContext) deps {
}
} else if ctx.OtherModuleHasProvider(module, JavaInfoProvider) {
dep := ctx.OtherModuleProvider(module, JavaInfoProvider).(JavaInfo)
if linkType != javaPlatform &&
if sdkLinkType != javaPlatform &&
ctx.OtherModuleHasProvider(module, SyspropPublicStubInfoProvider) {
// dep is a sysprop implementation library, but this module is not linking against
// the platform, so it gets the sysprop public stubs library instead. Replace
@ -3332,8 +3347,8 @@ func DefaultsFactory() android.Module {
module := &Defaults{}
module.AddProperties(
&CompilerProperties{},
&CompilerDeviceProperties{},
&CommonProperties{},
&DeviceProperties{},
&DexProperties{},
&DexpreoptProperties{},
&android.ProtoProperties{},

View File

@ -94,7 +94,7 @@ func protoDeps(ctx android.BottomUpMutatorContext, p *android.ProtoProperties) {
}
}
func protoFlags(ctx android.ModuleContext, j *CompilerProperties, p *android.ProtoProperties,
func protoFlags(ctx android.ModuleContext, j *CommonProperties, p *android.ProtoProperties,
flags javaBuilderFlags) javaBuilderFlags {
flags.proto = android.GetProtoFlags(ctx, p)

View File

@ -1681,7 +1681,7 @@ func (s *defaultNamingScheme) apiModuleName(scope *apiScope, baseName string) st
var _ sdkLibraryComponentNamingScheme = (*defaultNamingScheme)(nil)
func moduleStubLinkType(name string) (stub bool, ret linkType) {
func moduleStubLinkType(name string) (stub bool, ret sdkLinkType) {
// This suffix-based approach is fragile and could potentially mis-trigger.
// TODO(b/155164730): Clean this up when modules no longer reference sdk_lib stubs directly.
if strings.HasSuffix(name, ".stubs.public") || strings.HasSuffix(name, "-stubs-publicapi") {