platform_build/core/proguard/kotlin.flags
Yifei Zhang e6d996479b build: add a few proguard rules [1/3]
- Introduce a new directory for some specific proguard rules.

kotlin.flags:
- Remove DebugMetadata
- Don't warn about missing non-runtime annotations

Test: build AOSP & test on internal
Bug: 309023911
Change-Id: Iee740b61a2afeba3482ff4e1f8213bd4cf46174a
2023-11-07 14:36:01 -08:00

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# Ignore missing Kotlin meta-annotations so that Java-only projects can depend
# on projects that happen to be written in Kotlin but do not have a run-time
# dependency on the Kotlin standard library. Note these annotations are RUNTIME
# retention, but we won't need them available in Java-only projects.
-dontwarn kotlin.Metadata
-dontwarn kotlin.annotation.AnnotationRetention
-dontwarn kotlin.annotation.AnnotationTarget
-dontwarn kotlin.annotation.Retention
-dontwarn kotlin.annotation.Target
# Kotlin DebugMetadata has no value in release builds, these two rules, will
# allow AppReduce to strip out DebutMetadata.
-checkdiscard interface kotlin.coroutines.jvm.internal.DebugMetadata
-assumenosideeffects class kotlin.coroutines.jvm.internal.DebugMetadataKt {
*** getDebugMetadataAnnotation(...);
}
-assumevalues class kotlin.coroutines.jvm.internal.DebugMetadataKt {
*** getDebugMetadataAnnotation(...) return null;
}