default interface methods support #1939
Commits on Jul 30, 2018
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[msbuild] Add support for C# 8 default interface methods (DIMs) step 1.
1) You have to manually provide CscToolPath MSBuild property, unless you install xamarin.android.csc.dim package. 2) You have to explicitly specify AndroidEnableDefaultInterfaceMethods MSBuild property as True. 3) You have to explicitly specify LangVersion MSBuild property as "latest". When C# 8.0 becomes stable, 1) and 3) will become unnecessary. Then we should make changes to 2) as default.
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Add tests for default interface method bindings.
They fail so far, because generator is not generating expected code yet.
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bump xamarin-android-build-enhancer to support build inputs/outputs, …
…and fix test names.
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[linker] Do not emit AbstractMethodError thrower when target method i…
…s DIM. Context: xamarin#1939 (comment)
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[Mono.Android] enable default interface method generation.
It results in a bunch of build failures due to lack of metadata fixup for any API glitch so far.
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[Mono.Android] new metadata fixup required for Animator event methods.
There are DIMs that results in managed events and args types, but those names conflict each other (onAnimationStart/onAnimationEnd overloads for each). Therefore the new methods had to be renamed.
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[Mono.Android] disable XYZStream.Spliterator() generation.
They result in "nonexistent" `Spliterator.OfXyz` return values, and somehow `managedReturn` fixup doesn't work for them. Disable generating them, removal of them is harmless due to `BaseStream#spliterator()`.
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[Mono.Android] enable java.time package.
Now it is practically doable with DIM support.
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[Mono.Android] bring back java.nio.NetworkChannel and co.
Since we already had some method overrides for NetworkChannel methods (that could have returned common base types by adjusting managedReturn), those return types could not be changed (because of ABI compatibility). Therefore added manual bindings to those interface members instead.
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