Ilya Gorbunov
57 lines
1.8 KiB
Kotlin
57 lines
1.8 KiB
Kotlin
/*
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* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
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* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
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*/
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package kotlin.js
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import kotlin.reflect.KProperty
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internal fun getPropertyCallableRef(
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name: String,
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paramCount: Int,
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superType: dynamic,
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getter: dynamic,
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setter: dynamic
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): KProperty<*> {
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getter.get = getter
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getter.set = setter
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getter.callableName = name
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return getPropertyRefClass(
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getter,
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getKPropMetadata(paramCount, setter),
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getInterfaceMaskFor(getter, superType)
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).unsafeCast<KProperty<*>>()
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}
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internal fun getLocalDelegateReference(name: String, superType: dynamic, mutable: Boolean, lambda: dynamic): KProperty<*> {
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return getPropertyCallableRef(name, 0, superType, lambda, if (mutable) lambda else null)
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}
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private fun getPropertyRefClass(obj: Ctor, metadata: Metadata, imask: BitMask): dynamic {
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obj.`$metadata$` = metadata
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obj.constructor = obj
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obj.`$imask$` = imask
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return obj;
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}
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private fun getInterfaceMaskFor(obj: Ctor, superType: dynamic): BitMask =
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obj.`$imask$` ?: implement(arrayOf(superType))
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@Suppress("UNUSED_PARAMETER")
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private fun getKPropMetadata(paramCount: Int, setter: Any?): dynamic {
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return propertyRefClassMetadataCache[paramCount][if (setter == null) 0 else 1]
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}
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private fun metadataObject(): Metadata {
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return classMeta(VOID, VOID, VOID, VOID, VOID)
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}
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private val propertyRefClassMetadataCache: Array<Array<dynamic>> = arrayOf<Array<dynamic>>(
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// immutable , mutable
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arrayOf<dynamic>(metadataObject(), metadataObject()), // 0
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arrayOf<dynamic>(metadataObject(), metadataObject()), // 1
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arrayOf<dynamic>(metadataObject(), metadataObject()) // 2
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)
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