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Report error on annotated type inside typeOf on JVM

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Since it's not feasible to support annotated types in 1.6, we're making
this an explicit error in 1.6, so that typeOf can become stable and this
feature can be supported in the future without breaking changes to the
existing code.

Note that extension function types are a special case of annotated
types. A separate error is created for them just because the message
"annotated types are not supported" would be confusing, since such types
don't have explicit annotations in the source code.

 #KT-29919
This commit is contained in:
Alexander Udalov
2021-07-16 21:38:08 +02:00
parent a383d45534
commit 9ebd665c96
9 changed files with 130 additions and 7 deletions
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compiler/testData/diagnostics/testsWithJvmBackend/typeOf/annotatedType.kt
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// WITH_RUNTIME
// USE_EXPERIMENTAL: kotlin.ExperimentalStdlibApi
// TARGET_BACKEND: JVM_IR
import kotlin.reflect.*
inline fun <reified X> f() = g<List<X>>()
inline fun <reified Y> g() = typeOf<Y>()
inline fun <reified Z> a() = typeOf<@Runtime Z>()
@Target(AnnotationTarget.TYPE)
@Retention(AnnotationRetention.RUNTIME)
annotation class Runtime
@Target(AnnotationTarget.TYPE)
@Retention(AnnotationRetention.BINARY)
annotation class Binary
@Target(AnnotationTarget.TYPE)
@Retention(AnnotationRetention.SOURCE)
annotation class Source
fun test() {
<!TYPEOF_EXTENSION_FUNCTION_TYPE!>typeOf<String.() -> Int>()<!>
<!TYPEOF_EXTENSION_FUNCTION_TYPE!>f<Int.(Int) -> Unit>()<!>
<!TYPEOF_EXTENSION_FUNCTION_TYPE, TYPEOF_SUSPEND_TYPE!>typeOf<suspend Int.() -> List<String>>()<!>
<!TYPEOF_EXTENSION_FUNCTION_TYPE, TYPEOF_SUSPEND_TYPE!>f<suspend Unit.() -> Array<*>>()<!>
<!TYPEOF_EXTENSION_FUNCTION_TYPE!>typeOf<@Runtime Int.() -> List<String>>()<!>
<!TYPEOF_EXTENSION_FUNCTION_TYPE!>f<@Runtime Unit.() -> Array<*>>()<!>
<!TYPEOF_ANNOTATED_TYPE!>typeOf<@Runtime String>()<!>
<!TYPEOF_ANNOTATED_TYPE!>f<@Runtime String>()<!>
<!TYPEOF_ANNOTATED_TYPE!>typeOf<@Binary String>()<!>
<!TYPEOF_ANNOTATED_TYPE!>f<@Binary String>()<!>
<!TYPEOF_ANNOTATED_TYPE!>typeOf<@Source String>()<!>
<!TYPEOF_ANNOTATED_TYPE!>f<@Source String>()<!>
@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
<!TYPEOF_ANNOTATED_TYPE!>typeOf<@kotlin.internal.Exact String>()<!>
@Suppress("INVISIBLE_MEMBER", "INVISIBLE_REFERENCE")
<!TYPEOF_ANNOTATED_TYPE!>f<@kotlin.internal.Exact String>()<!>
<!TYPEOF_ANNOTATED_TYPE!>typeOf<Map<String, List<@Runtime Int>>>()<!>
<!TYPEOF_ANNOTATED_TYPE!>f<Map<String, List<@Runtime Int>>>()<!>
// TODO: https://youtrack.jetbrains.com/issue/KT-29919#focus=Comments-27-5065356.0-0
a<String>()
test2<String>()
}
inline fun <reified R> test2() {
<!TYPEOF_EXTENSION_FUNCTION_TYPE!>typeOf<@Runtime R.()->Unit>()<!>
<!TYPEOF_EXTENSION_FUNCTION_TYPE!>typeOf<R.()->Unit>()<!>
}
compiler/testData/diagnostics/testsWithJvmBackend/typeOf/annotatedType.txt
Vendored
+28
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package
public inline fun </*0*/ reified Z> a(): kotlin.reflect.KType
public inline fun </*0*/ reified X> f(): kotlin.reflect.KType
public inline fun </*0*/ reified Y> g(): kotlin.reflect.KType
public fun test(): kotlin.Unit
public inline fun </*0*/ reified R> test2(): kotlin.Unit
@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.TYPE}) @kotlin.annotation.Retention(value = AnnotationRetention.BINARY) public final annotation class Binary : kotlin.Annotation {
public constructor Binary()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.TYPE}) @kotlin.annotation.Retention(value = AnnotationRetention.RUNTIME) public final annotation class Runtime : kotlin.Annotation {
public constructor Runtime()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}
@kotlin.annotation.Target(allowedTargets = {AnnotationTarget.TYPE}) @kotlin.annotation.Retention(value = AnnotationRetention.SOURCE) public final annotation class Source : kotlin.Annotation {
public constructor Source()
public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
}