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Introduce MetadataSource as a way to store the original descriptor for any element (before any lowerings) and maintain it until the end of the codegen where it's used in generating the metadata. Note that JVM signatures written to the metadata are formed from the _resulting_ generated elements, not by mapping the original descriptors. Some corner cases are not supported yet, namely properties declared in companion objects, synthetic methods for property annotations, JvmPackageName, etc. #KT-29119 Fixed
38 lines
1016 B
Kotlin
Vendored
38 lines
1016 B
Kotlin
Vendored
// TARGET_BACKEND: JVM
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// WITH_REFLECT
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import kotlin.reflect.KFunction
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import kotlin.reflect.jvm.*
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import kotlin.test.*
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class C {
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companion object {
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@JvmStatic
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fun foo(s: String): Int = s.length
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}
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}
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fun box(): String {
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val foo = C.Companion::class.members.single { it.name == "foo" } as KFunction<*>
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val j = foo.javaMethod ?: return "Fail: no Java method found for C::foo"
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assertEquals(3, j.invoke(C, "abc"))
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val k = j.kotlinFunction ?: return "Fail: no Kotlin function found for Java method C::foo"
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assertEquals(3, k.call(C, "def"))
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val staticMethod = C::class.java.getDeclaredMethod("foo", String::class.java)
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val k2 = staticMethod.kotlinFunction ?:
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return "Fail: no Kotlin function found for static bridge for @JvmStatic method in companion object C::foo"
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assertEquals(3, k2.call(C, "ghi"))
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assertFailsWith(NullPointerException::class) { k2.call(null, "")!! }
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val j2 = k2.javaMethod
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assertEquals(j, j2)
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return "OK"
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}
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