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Commit e6d99647 authored by Yifei Zhang's avatar Yifei Zhang
Browse files

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
parent 581b781a

core/proguard.flags

+1 −0
Original line number Diff line number Diff line
@@ -61,3 +61,4 @@ 
}



-include proguard_basic_keeps.flags

-include proguard/kotlin.flags

core/proguard/kotlin.flags

0 → 100644
+19 −0
Original line number Diff line number Diff line 
# 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;

}