Support instantiation of annotations in JS

#KT-47700 Fixed

compiler/testData/codegen/box/annotations/instances/annotationEqHc.kt

@@ -1,5 +1,8 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: NATIVE
+// IGNORE_BACKEND: WASM
+// DONT_TARGET_EXACT_BACKEND: JS
 
 // WITH_RUNTIME
 // !LANGUAGE: +InstantiationOfAnnotationClasses
@@ -22,7 +25,7 @@ data class BarLike(val i:Int, val s: String, val f: Float)
 fun box(): String {
     val foo1 = Foo(42, "foo", arrayOf("a", "b"), intArrayOf(1,2), Bar::class, Bar(10, "bar", Float.NaN))
     val foo2 = Foo(42, "foo", arrayOf("a", "b"), intArrayOf(1,2), Bar::class, Bar(10, "bar", Float.NaN))
-    if (foo1 != foo2) return "Failed equals"
+    if (foo1 != foo2) return "Failed equals ${foo1.toString()} ${foo2.toString()}"
     val barlike = BarLike(10, "bar", Float.NaN)
     if (barlike.hashCode() != foo1.bar.hashCode()) return "Failed HC1"
     if (barlike.hashCode() != foo2.bar.hashCode()) return "Failed HC2"

compiler/testData/codegen/box/annotations/instances/annotationInstances.kt

@@ -1,5 +1,10 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: NATIVE
+// IGNORE_BACKEND: WASM
+
+// (supported: JVM_IR, JS_IR(_E6))
+// Regular JS works too, but without proper hashCode or equals
 
 // WITH_RUNTIME
 // !LANGUAGE: +InstantiationOfAnnotationClasses
@@ -7,6 +12,7 @@
 // note: taken from ../parameters.kt and ../parametersWithPrimitiveValues.kt
 import kotlin.reflect.KClass
 import kotlin.test.assertEquals
+import kotlin.test.assertTrue as assert
 
 enum class E { E0 }
 annotation class Empty

compiler/testData/codegen/box/annotations/instances/annotationInstancesEmptyDefault.kt

@@ -1,5 +1,8 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: NATIVE
+// IGNORE_BACKEND: WASM
+// DONT_TARGET_EXACT_BACKEND: JS
 
 // WITH_RUNTIME
 // !LANGUAGE: +InstantiationOfAnnotationClasses
@@ -7,6 +10,8 @@
 package test
 
 import kotlin.reflect.KClass
+import kotlin.test.assertTrue as assert
+import kotlin.test.assertEquals
 
 enum class E { A, B }
 
@@ -31,8 +36,15 @@ annotation class Partial(
 
 fun box(): String {
     val c = C()
-    assert(c.toString() == "@test.C(i=42, b=@test.B(a=@test.A()), kClass=interface test.B (Kotlin reflection is not available), e=B, aS=[a, b], aI=[1, 2])")
+    assertEquals(42, c.i)
+    assertEquals(A(), c.b.a)
+    assertEquals(B::class, c.kClass)
+    assertEquals(E.B, c.e)
+    assert(arrayOf("a", "b").contentEquals(c.aS))
+    assert(intArrayOf(1, 2).contentEquals(c.aI))
     val p = Partial(e = E.B, s = "bar")
-    assert(p.toString() == "@test.Partial(i=42, s=bar, e=B)")
+    assertEquals(42, p.i)
+    assertEquals("bar", p.s)
+    assertEquals(E.B, p.e)
     return "OK"
 }

compiler/testData/codegen/box/annotations/instances/annotationToString.kt

@@ -1,5 +1,8 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: NATIVE
+// IGNORE_BACKEND: WASM
+// DONT_TARGET_EXACT_BACKEND: JS
 
 // WITH_RUNTIME
 // !LANGUAGE: +InstantiationOfAnnotationClasses
@@ -22,7 +25,6 @@ annotation class A(
     val bool: Boolean
 )
 
-@Retention(AnnotationRetention.RUNTIME)
 annotation class Anno(
     val s: String,
     val i: Int,
@@ -44,7 +46,8 @@ fun box(): String {
         A::class, emptyArray(), intArrayOf(1, 2), arrayOf(E.E0), arrayOf(Empty())
     )
     val s = anno.toString()
-    val target = "@test.Anno(s=OK, i=42, f=2.718281828, u=43, e=E0, a=@test.A(b=1, s=1, i=1, f=1.0, d=1.0, l=1, c=c, bool=true), " +
+    val targetJVM = "@test.Anno(s=OK, i=42, f=2.718281828, u=43, e=E0, a=@test.A(b=1, s=1, i=1, f=1.0, d=1.0, l=1, c=c, bool=true), " +
             "k=interface test.A (Kotlin reflection is not available), arr=[], intArr=[1, 2], arrOfE=[E0], arrOfA=[@test.Empty()])"
-    return if (s == target) "OK" else "FAILED, got string $s"
+    val targetJS = "@test.Anno(s=OK, i=42, f=2.718281828, u=43, e=E0, a=@test.A(b=1, s=1, i=1, f=1, d=1, l=1, c=c, bool=true), k=class A, arr=[...], intArr=[...], arrOfE=[...], arrOfA=[...])"
+    return if (s == targetJS || s == targetJVM) "OK" else "FAILED, got string $s"
 }

compiler/testData/codegen/box/annotations/instances/multifileEqHc.kt

@@ -1,5 +1,10 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: NATIVE
+// IGNORE_BACKEND: WASM
+// DONT_TARGET_EXACT_BACKEND: JS
+
+// (supported: JVM_IR, JS_IR(_E6))
 
 // WITH_RUNTIME
 // !LANGUAGE: +InstantiationOfAnnotationClasses

compiler/testData/codegen/box/annotations/instances/multiplatformInstantiation.kt

@@ -1,5 +1,9 @@
 // IGNORE_BACKEND_FIR: JVM_IR
-// TARGET_BACKEND: JVM_IR
+// IGNORE_BACKEND: JVM
+// IGNORE_BACKEND: NATIVE
+// IGNORE_BACKEND: WASM
+
+// (supported: JVM_IR, JS_IR(_E6))
 
 // WITH_RUNTIME
 // !LANGUAGE: +InstantiationOfAnnotationClasses +MultiPlatformProjects