[stdlib] Merge js-ir specific sources into common js sources

2023-10-06 22:20:58 +02:00
parent f00d4022c4
commit 911fa3bbbb
55 changed files with 54 additions and 65 deletions
@@ -0,0 +1,117 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+package kotlin.js
+
+internal fun setMetadataFor(
+    ctor: Ctor,
+    name: String?,
+    metadataConstructor: (name: String?, defaultConstructor: dynamic, associatedObjectKey: Number?, associatedObjects: dynamic, suspendArity: Array<Int>?) -> Metadata,
+    parent: Ctor?,
+    interfaces: Array<dynamic>?,
+    defaultConstructor: dynamic,
+    associatedObjectKey: Number?,
+    associatedObjects: dynamic,
+    suspendArity: Array<Int>?
+) {
+    if (parent != null) {
+        js("""
+          ctor.prototype = Object.create(parent.prototype)
+          ctor.prototype.constructor = ctor;
+        """)
+    }
+
+    val metadata = metadataConstructor(name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity ?: js("[]"))
+    ctor.`$metadata$` = metadata
+
+    if (interfaces != null) {
+        val receiver = if (metadata.iid != null) ctor else ctor.prototype
+        receiver.`$imask$` = implement(interfaces)
+    }
+}
+
+// There was a problem with per-module compilation (KT-55758) when the top-level state (iid) was reinitialized during stdlib module initialization
+// As a result we miss already incremented iid and had the same iids in two different modules
+// So, to keep the state consistent it was moved into the variable without initializer and function
+@Suppress("MUST_BE_INITIALIZED")
+private var iid: dynamic
+
+private fun generateInterfaceId(): Int {
+    if (iid === VOID) {
+        iid = 0
+    }
+    iid = iid.unsafeCast<Int>() + 1
+    return iid.unsafeCast<Int>()
+}
+
+
+internal fun interfaceMeta(
+    name: String?,
+    defaultConstructor: dynamic,
+    associatedObjectKey: Number?,
+    associatedObjects: dynamic,
+    suspendArity: Array<Int>?
+): Metadata {
+    return createMetadata("interface", name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity, generateInterfaceId())
+}
+
+internal fun objectMeta(
+    name: String?,
+    defaultConstructor: dynamic,
+    associatedObjectKey: Number?,
+    associatedObjects: dynamic,
+    suspendArity: Array<Int>?
+): Metadata {
+    return createMetadata("object", name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity, null)
+}
+
+internal fun classMeta(
+    name: String?,
+    defaultConstructor: dynamic,
+    associatedObjectKey: Number?,
+    associatedObjects: dynamic,
+    suspendArity: Array<Int>?
+): Metadata {
+    return createMetadata("class", name, defaultConstructor, associatedObjectKey, associatedObjects, suspendArity, null)
+}
+
+// Seems like we need to disable this check if variables are used inside js annotation
+@Suppress("UNUSED_PARAMETER", "UNUSED_VARIABLE")
+private fun createMetadata(
+    kind: String,
+    name: String?,
+    defaultConstructor: dynamic,
+    associatedObjectKey: Number?,
+    associatedObjects: dynamic,
+    suspendArity: Array<Int>?,
+    iid: Int?
+): Metadata {
+    val undef = VOID
+    return js("""({
+    kind: kind,
+    simpleName: name,
+    associatedObjectKey: associatedObjectKey,
+    associatedObjects: associatedObjects,
+    suspendArity: suspendArity,
+    ${'$'}kClass$: undef,
+    defaultConstructor: defaultConstructor,
+    iid: iid
+})""")
+}
+
+internal external interface Metadata {
+    val kind: String
+    // This field gives fast access to the prototype of metadata owner (Object.getPrototypeOf())
+    // Can be pre-initialized or lazy initialized and then should be immutable
+    val simpleName: String?
+    val associatedObjectKey: Number?
+    val associatedObjects: dynamic
+    val suspendArity: Array<Int>?
+    val iid: Int?
+
+    var `$kClass$`: dynamic
+    val defaultConstructor: dynamic
+
+    var errorInfo: Int? // Bits set for overridden properties: "message" => 0x1, "cause" => 0x2
+}