Merge "Improve the structure of the link check method"

}

func (m *Module) getLinkType(name string) (ret linkType, stubs bool) {

	ver := m.sdkVersion()

	switch {

	case name == "core.current.stubs" || name == "core.platform.api.stubs" ||

		name == "stub-annotations" || name == "private-stub-annotations-jar" ||

		name == "core-lambda-stubs" || name == "core-generated-annotation-stubs":

	switch name {

	case "core.current.stubs", "core.platform.api.stubs", "stub-annotations",

		"private-stub-annotations-jar", "core-lambda-stubs", "core-generated-annotation-stubs":

		return javaCore, true

	case ver.kind == sdkCore:

		return javaCore, false

	case name == "android_system_stubs_current":

	case "android_stubs_current":

		return javaSdk, true

	case "android_system_stubs_current":

		return javaSystem, true

	case ver.kind == sdkSystem:

		return javaSystem, false

	case name == "android_test_stubs_current":

	case "android_module_lib_stubs_current":

		return javaModule, true

	case "android_system_server_stubs_current":

		return javaSystemServer, true

	case "android_test_stubs_current":

		return javaSystem, true

	case ver.kind == sdkTest:

		return javaPlatform, false

	case name == "android_stubs_current":

		return javaSdk, true

	case ver.kind == sdkPublic:

	}

	ver := m.sdkVersion()

	switch ver.kind {

	case sdkCore:

		return javaCore, false

	case sdkSystem:

		return javaSystem, false

	case sdkPublic:

		return javaSdk, false

	case name == "android_module_lib_stubs_current":

		return javaModule, true

	case ver.kind == sdkModule:

	case sdkModule:

		return javaModule, false

	case name == "android_system_server_stubs_current":

		return javaSystemServer, true

	case ver.kind == sdkSystemServer:

	case sdkSystemServer:

		return javaSystemServer, false

	case ver.kind == sdkPrivate || ver.kind == sdkNone || ver.kind == sdkCorePlatform:

	case sdkPrivate, sdkNone, sdkCorePlatform, sdkTest:

		return javaPlatform, false

	case !ver.valid():

	}

	if !ver.valid() {

		panic(fmt.Errorf("sdk_version is invalid. got %q", ver.raw))

	default:

		return javaSdk, false

	}

	return javaSdk, false

}

func checkLinkType(ctx android.ModuleContext, from *Module, to linkTypeContext, tag dependencyTag) {