[generator] Extend skipInvokerMethods support to interfaces.
#1202
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jpobst
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jonpryor
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| <class abstract='false' deprecated='not deprecated' final='false' name='Object' static='false' visibility='public' jni-signature='Ljava/lang/Object;' /> | ||
| </package> | ||
| <package name='com.xamarin.android' jni-name='com/xamarin/android'> | ||
| <interface abstract='false' deprecated='not deprecated' extends='java.lang.Object' extends-generic-aware='java.lang.Object' jni-extends='Ljava/lang/Object;' final='false' name='MyInterface' static='false' visibility='public' jni-signature='Lcom/xamarin/android/MyInterface;' skipInvokerMethods='com/xamarin/android/MyInterface.countAffectedRows()I'> |
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Generally (always?) //interface/@abstract will be true, not false. (At least, I can find no instances of such a thing in api-34.xml.)
jonpryor
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Mar 6, 2024
| !options.SupportNestedInterfaceTypes | ||
| }; | ||
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| if (elem.Attribute ("skipInvokerMethods")?.Value is string skip) |
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This should be split out into a helper method, and CreateClass() updated to use the helper method, as I can't imagine any reason why the semantics for skipInvokerMethods should differ between classes and interfaces.
jonpryor
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Mar 6, 2024
| void AddMethodInvokers (InterfaceGen iface, IEnumerable<Method> methods, HashSet<string> members, HashSet<string> skipInvokers, CodeGenerationOptions opt, CodeGeneratorContext context) | ||
| { | ||
| foreach (var m in methods) { | ||
| if (skipInvokers.Contains ($"{m.DeclaringType.RawJniName}.{m.JavaName}{m.JniSignature}")) |
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"Ditto" here: I'd be happier if ClassInvokerClass and InterfaceInvokerClass used the same method to generate the $"m.DeclaringType.RawJniName}.{m.JavaName}{m.JniSignature}" string.
jonpryor
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Mar 6, 2024
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| if (elem.Attribute ("skipInvokerMethods")?.Value is string skip) | ||
| foreach (var m in skip.Split (new char [] { ',', ' ', '\n', '\r' }, StringSplitOptions.RemoveEmptyEntries)) | ||
| iface.SkippedInvokerMethods.Add (m); |
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It occurs to me: should we "sanity check" this value, asserting that it contains one ., one (, and one )? (And maybe even verify that (…)… constitutes a valid JNI method signature, according to e.g. JniMemberSignature.GetParameterCountFromMethodSignature() + a return type sanity check.)
This request might be a step "too far" for this PR -- as opposed to my other comments, which I think are closer to "code hygiene" and code deduplication -- but this thought hadn't occurred to me before.
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Context: 73ebad2 Context: dotnet/android-libraries#779 Commit 73ebad2 added support for the metadata attribute `//class[@skipInvokerMethods]`, which allowed us to suppress generation of invoker methods for a class. The AndroidX Media3 binding in dotnet/android-libraries#779 hits a similar issue wherein we generate incorrect generics on an invoker type. However, this is an invoker type for an *`interface`*, not a `class`. Extend our `skipInvokerMethods` support so that it can be used as `//interface[@skipInvokerMethods]` as well.
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Context: dotnet/java-interop#1203 Does It Build™? Changes: dotnet/java-interop@bec0326...e557044 * dotnet/java-interop@e557044f: [generator] Extend `skipInvokerMethods` support to interfaces. (dotnet/java-interop#1202)
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Changes: dotnet/java-interop@14a9470...a7e09b7 * dotnet/java-interop@a7e09b7b: [generator] Extend `skipInvokerMethods` support to interfaces. (dotnet/java-interop#1202) Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
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#1203) Context: 73ebad2 Context: dotnet/android-libraries#779 Commit 73ebad2 added support for the metadata attribute `//class[@skipInvokerMethods]`, which allowed us to suppress generation of invoker methods for a class. The AndroidX Media3 binding in dotnet/android-libraries#779 hits a similar issue wherein we generate incorrect generics on an invoker type. However, this is an invoker type for an *`interface`*, not a `class`. Extend our `skipInvokerMethods` support so that it can be used as `//interface[@skipInvokerMethods]` as well. Co-authored-by: Jonathan Pobst <[email protected]>
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Context: #1086
#1086 added the metadata attribute
skipInvokerMethodsto allow us to suppress generation of invoker methods for a class.The AndroidX Media3 binding hits an issue where we generate incorrect generics in an invoker type. However this is an invoker type for an
interfaceinstead of aclass.Extend our
skipInvokerMethodssupport to cover interfaces as well.