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build / android / chromium_annotations.flags [blame]

# Copyright 2022 The Chromium Authors
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.

# Contains flags related to annotations in //build/android that can be safely
# shared with Cronet, and thus would be appropriate for third-party apps to
# include.

# Keep all annotation related attributes that can affect runtime
-keepattributes RuntimeVisible*Annotations
-keepattributes AnnotationDefault

# Keeps for class level annotations.
-keep,allowaccessmodification @org.chromium.build.annotations.UsedByReflection class ** {}

# Keeps for method level annotations.
-keepclasseswithmembers,allowaccessmodification class ** {
  @org.chromium.build.annotations.UsedByReflection <methods>;
}
-keepclasseswithmembers,allowaccessmodification class ** {
  @org.chromium.build.annotations.UsedByReflection <fields>;
}

# Never inline classes, methods, or fields with this annotation, but allow
# shrinking and obfuscation.
# Relevant to fields when they are needed to store strong references to objects
# that are held as weak references by native code.
-if @org.chromium.build.annotations.DoNotInline class * {
    *** *(...);
}
-keep,allowobfuscation,allowaccessmodification class <1> {
    *** <2>(...);
}
-keepclassmembers,allowobfuscation,allowaccessmodification class * {
   @org.chromium.build.annotations.DoNotInline <methods>;
}
-keepclassmembers,allowobfuscation,allowaccessmodification class * {
   @org.chromium.build.annotations.DoNotInline <fields>;
}

-alwaysinline class * {
    @org.chromium.build.annotations.AlwaysInline *;
}

# Keep all logs (Log.VERBOSE = 2). R8 does not allow setting to 0.
-maximumremovedandroidloglevel 1 class ** {
   @org.chromium.build.annotations.DoNotStripLogs <methods>;
}
-maximumremovedandroidloglevel 1 @org.chromium.build.annotations.DoNotStripLogs class ** {
   <methods>;
}

# Never merge classes horizontally or vertically with this annotation.
# Relevant to classes being used as a key in maps or sets.
-keep,allowaccessmodification,allowobfuscation,allowshrinking @org.chromium.build.annotations.DoNotClassMerge class *

# Mark members annotated with IdentifierNameString as identifier name strings
-identifiernamestring class * {
    @org.chromium.build.annotations.IdentifierNameString *;
}

# Mark fields with this to help R8 figure out that they cannot be null.
# Use assumevalues in addition to assumenosideeffects block because Google3 proguard cannot parse
# assumenosideeffects blocks which overwrite return value.
-assumevalues class ** {
  @org.chromium.build.annotations.AssumeNonNull *** *(...) return _NONNULL_;
}
-assumenosideeffects class ** {
  @org.chromium.build.annotations.AssumeNonNull *** *(...);
}
-assumevalues class ** {
  @org.chromium.build.annotations.AssumeNonNull *** * return _NONNULL_;
}
-assumenosideeffects class ** {
  @org.chromium.build.annotations.AssumeNonNull *** *;
}