Ilya Gorbunov
117 lines
3.8 KiB
Kotlin
117 lines
3.8 KiB
Kotlin
/*
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* Copyright 2010-2023 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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internal fun setMetadataFor(
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ctor: Ctor,
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name: String?,
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metadataConstructor: (name: String?, defaultConstructor: dynamic, associatedObjectKey: Number?, associatedObjects: dynamic, suspendArity: Array<Int>?) -> Metadata,
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parent: Ctor?,
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interfaces: Array<dynamic>?,
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defaultConstructor: dynamic,
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associatedObjectKey: Number?,
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associatedObjects: dynamic,
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suspendArity: Array<Int>?
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) {
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if (parent != null) {
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js("""
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ctor.prototype = Object.create(parent.prototype)
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ctor.prototype.constructor = ctor;
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""")
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}
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val metadata = metadataConstructor(name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity ?: js("[]"))
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ctor.`$metadata$` = metadata
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if (interfaces != null) {
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val receiver = if (metadata.iid != null) ctor else ctor.prototype
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receiver.`$imask$` = implement(interfaces)
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}
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}
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// There was a problem with per-module compilation (KT-55758) when the top-level state (iid) was reinitialized during stdlib module initialization
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// As a result we miss already incremented iid and had the same iids in two different modules
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// So, to keep the state consistent it was moved into the variable without initializer and function
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@Suppress("MUST_BE_INITIALIZED")
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private var iid: dynamic
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private fun generateInterfaceId(): Int {
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if (iid === VOID) {
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iid = 0
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}
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iid = iid.unsafeCast<Int>() + 1
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return iid.unsafeCast<Int>()
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}
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internal fun interfaceMeta(
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name: String?,
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defaultConstructor: dynamic,
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associatedObjectKey: Number?,
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associatedObjects: dynamic,
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suspendArity: Array<Int>?
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): Metadata {
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return createMetadata("interface", name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity, generateInterfaceId())
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}
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internal fun objectMeta(
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name: String?,
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defaultConstructor: dynamic,
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associatedObjectKey: Number?,
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associatedObjects: dynamic,
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suspendArity: Array<Int>?
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): Metadata {
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return createMetadata("object", name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity, null)
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}
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internal fun classMeta(
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name: String?,
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defaultConstructor: dynamic,
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associatedObjectKey: Number?,
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associatedObjects: dynamic,
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suspendArity: Array<Int>?
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): Metadata {
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return createMetadata("class", name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity, null)
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}
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// Seems like we need to disable this check if variables are used inside js annotation
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@Suppress("UNUSED_PARAMETER", "UNUSED_VARIABLE")
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private fun createMetadata(
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kind: String,
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name: String?,
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defaultConstructor: dynamic,
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associatedObjectKey: Number?,
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associatedObjects: dynamic,
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suspendArity: Array<Int>?,
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iid: Int?
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): Metadata {
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val undef = VOID
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return js("""({
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kind: kind,
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simpleName: name,
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associatedObjectKey: associatedObjectKey,
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associatedObjects: associatedObjects,
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suspendArity: suspendArity,
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${'$'}kClass$: undef,
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defaultConstructor: defaultConstructor,
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iid: iid
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})""")
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}
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internal external interface Metadata {
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val kind: String
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// This field gives fast access to the prototype of metadata owner (Object.getPrototypeOf())
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// Can be pre-initialized or lazy initialized and then should be immutable
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val simpleName: String?
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val associatedObjectKey: Number?
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val associatedObjects: dynamic
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val suspendArity: Array<Int>?
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val iid: Int?
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var `$kClass$`: dynamic
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val defaultConstructor: dynamic
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var errorInfo: Int? // Bits set for overridden properties: "message" => 0x1, "cause" => 0x2
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} |