Kirill Rakhman
d91000e39c
... instead of just UNRESOLVED_REFERENCE when something went wrong during resolution. #KT-59401 related
37 lines
1.4 KiB
Kotlin
Vendored
37 lines
1.4 KiB
Kotlin
Vendored
// !LANGUAGE: +ForbidRecursiveDelegateExpressions
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// WITH_STDLIB
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import kotlin.properties.ReadWriteProperty
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import kotlin.reflect.KProperty
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import kotlin.reflect.KProperty1
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inline fun <reified Self : DatabaseEntity, reified Target : DatabaseEntity> Self.parent(
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property: KProperty1<Target, MutableCollection<Self>>): Delegate<Self, Target?> = TODO()
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class GitLabBuildProcessor: DatabaseEntity {
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var processor by parent(GitLabChangesProcessor::buildProcessors)
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}
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interface DatabaseEntity: Entity
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interface Entity
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interface ResourceFactory<T, R>
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interface ValueFilter<K>
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interface Delegate<R : Entity, T> : ReadWriteProperty<R, T>, ValueFilter<R> {
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infix fun name(desc: KProperty<*>): String
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infix fun by(name: String): Delegate<R, T>
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infix fun resource(factory: ResourceFactory<R, T>): Delegate<R, T>
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infix fun filter(filter: (R, Any?) -> Boolean): Delegate<R, T>
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}
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class GitLabChangesProcessor: DatabaseEntity {
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var buildProcessors by child_many(
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GitLabBuildProcessor::class.java,
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GitLabBuildProcessor::<!INAPPLICABLE_CANDIDATE!>processor<!>
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)
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}
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fun <Self : DatabaseEntity, Target : DatabaseEntity> Self.child_many(
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clazz: Class<Target>, property: KProperty1<Target, Self?>, name: String = property.name
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): Delegate<Self, MutableCollection<Target>> = TODO() // Type checking has run into a recursive problem. Easiest workaround: specify types of your declarations explicitly
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