Alexander Udalov
78 lines
1.6 KiB
Kotlin
Vendored
78 lines
1.6 KiB
Kotlin
Vendored
// !LANGUAGE: +NestedClassesInAnnotations
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// !USE_EXPERIMENTAL: kotlin.RequiresOptIn
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// !DIAGNOSTICS: -UNUSED_PARAMETER
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// FILE: api.kt
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package test
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import kotlin.reflect.KClass
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// Usages in import should be OK
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import kotlin.RequiresOptIn.Level.*
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import kotlin.RequiresOptIn.Level
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import kotlin.RequiresOptIn
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// Usages with FQ names should be OK
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@kotlin.RequiresOptIn(level = kotlin.RequiresOptIn.Level.ERROR)
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annotation class M
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// Usages as types should be errors
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fun f1(e: RequiresOptIn) {}
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fun f2(u: OptIn?) {}
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typealias Experimental0 = RequiresOptIn
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typealias OptIn0 = OptIn
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fun f3(e: Experimental0 /* TODO */) {}
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fun f4(u: OptIn0 /* TODO */) {}
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// Usages as ::class literals should be errors
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annotation class VarargKClasses(vararg val k: KClass<*>)
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@VarargKClasses(
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RequiresOptIn::class,
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OptIn::class,
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kotlin.RequiresOptIn::class,
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kotlin.OptIn::class
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)
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fun f5() {}
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// Usages of markers as types should be errors
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@RequiresOptIn
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annotation class Marker {
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class NestedClass
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companion object {
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const val value = 42
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}
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}
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fun f6(m: Marker) {}
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fun f7(): List<Marker>? = null
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fun f8(): test.Marker? = null
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typealias Marker0 = Marker
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fun f9(m: Marker0) {}
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// Usages of markers as qualifiers are errors as well (we can lift this restriction for select cases)
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fun f10(m: Marker.NestedClass) {
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Marker.value
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}
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// FILE: usage-from-other-file.kt
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// Usages of markers in import statements should be OK, but not as qualifiers to import their nested classes
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import test.Marker
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import test.Marker.NestedClass
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import test.Marker.Companion
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