[JS IR BE] Minor refactoring

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/ir/IrUtils.kt

@@ -322,4 +322,11 @@ object SetDeclarationsParentVisitor : IrElementVisitor<Unit, IrDeclarationParent
         declaration.parent = data
         super.visitDeclaration(declaration, data)
     }
-}
+}
+
+
+val IrFunction.isStatic: Boolean
+    get() = parent is IrClass && dispatchReceiverParameter == null
+
+val IrDeclaration.isTopLevel: Boolean
+    get() = parent is IrPackageFragment

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/utils/kotlinTypeBasedUtils.kt

@@ -5,19 +5,14 @@
 
 package org.jetbrains.kotlin.backend.common.utils
 
-import org.jetbrains.kotlin.backend.common.descriptors.isFunctionOrKFunctionType
 import org.jetbrains.kotlin.builtins.KotlinBuiltIns
-import org.jetbrains.kotlin.builtins.isBuiltinFunctionalTypeOrSubtype
 import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.types.toIrType
 import org.jetbrains.kotlin.ir.types.toKotlinType
 import org.jetbrains.kotlin.resolve.DescriptorUtils
 import org.jetbrains.kotlin.types.CommonSupertypes
-import org.jetbrains.kotlin.types.isNullable
-import org.jetbrains.kotlin.types.typeUtil.isInterface
 import org.jetbrains.kotlin.types.typeUtil.isSubtypeOf
-import org.jetbrains.kotlin.types.typeUtil.isTypeParameter
 
 // TODO: implement pure Ir-based function (see IrTypeUtils.kt)
 

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/JsIrBackendContext.kt

@@ -114,7 +114,7 @@ class JsIrBackendContext(
     private val coroutineIntrinsicsPackage = module.getPackage(COROUTINE_INTRINSICS_PACKAGE_FQNAME)
 
     val enumEntryToGetInstanceFunction = mutableMapOf<IrEnumEntrySymbol, () -> IrExpression>()
-    val callablereferenceCache = mutableMapOf<CallableReferenceKey, IrSimpleFunction>()
+    val callableReferencesCache = mutableMapOf<CallableReferenceKey, IrSimpleFunction>()
 
     val coroutineGetContext: IrFunctionSymbol
         get() {

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/BridgesConstruction.kt

@@ -9,6 +9,7 @@ import org.jetbrains.kotlin.backend.common.ClassLoweringPass
 import org.jetbrains.kotlin.backend.common.bridges.FunctionHandle
 import org.jetbrains.kotlin.backend.common.bridges.generateBridges
 import org.jetbrains.kotlin.backend.common.ir.copyTo
+import org.jetbrains.kotlin.backend.common.ir.isStatic
 import org.jetbrains.kotlin.backend.common.ir.isSuspend
 import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.common.lower.irBlockBody
@@ -16,7 +17,6 @@ import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.Visibilities
 import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
 import org.jetbrains.kotlin.ir.backend.js.ir.JsIrBuilder
-import org.jetbrains.kotlin.ir.backend.js.transformers.irToJs.isStatic
 import org.jetbrains.kotlin.ir.backend.js.utils.asString
 import org.jetbrains.kotlin.ir.builders.*
 import org.jetbrains.kotlin.ir.declarations.*

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/CallableReferenceLowering.kt

@@ -37,7 +37,7 @@ class CallableReferenceLowering(val context: JsIrBackendContext) : FileLoweringP
     private val callableNameConst = JsIrBuilder.buildString(context.irBuiltIns.stringType, Namer.KCALLABLE_NAME)
     private val getterConst = JsIrBuilder.buildString(context.irBuiltIns.stringType, Namer.KPROPERTY_GET)
     private val setterConst = JsIrBuilder.buildString(context.irBuiltIns.stringType, Namer.KPROPERTY_SET)
-    private val callableToGetterFunction = context.callablereferenceCache
+    private val callableToGetterFunction = context.callableReferencesCache
 
     private val newDeclarations = mutableListOf<IrDeclaration>()
     private val implicitDeclarationFile = context.implicitDeclarationFile

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/lower/calls/EnumIntrinsicsTransformer.kt

@@ -5,9 +5,9 @@
 
 package org.jetbrains.kotlin.ir.backend.js.lower.calls
 
+import org.jetbrains.kotlin.backend.common.ir.isStatic
 import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
 import org.jetbrains.kotlin.ir.backend.js.ir.irCall
-import org.jetbrains.kotlin.ir.backend.js.transformers.irToJs.isStatic
 import org.jetbrains.kotlin.ir.declarations.IrSimpleFunction
 import org.jetbrains.kotlin.ir.expressions.IrCall
 import org.jetbrains.kotlin.ir.expressions.IrExpression

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/JsClassGenerator.kt

@@ -5,6 +5,7 @@
 
 package org.jetbrains.kotlin.ir.backend.js.transformers.irToJs
 
+import org.jetbrains.kotlin.backend.common.ir.isStatic
 import org.jetbrains.kotlin.backend.common.onlyIf
 import org.jetbrains.kotlin.descriptors.ClassKind
 import org.jetbrains.kotlin.ir.backend.js.utils.JsGenerationContext
@@ -59,13 +60,13 @@ class JsClassGenerator(private val irClass: IrClass, val context: JsGenerationCo
         classBlock.statements += generateClassMetadata()
         irClass.onlyIf({ kind == ClassKind.OBJECT }) { classBlock.statements += maybeGenerateObjectInstance() }
         if (irClass.superTypes.any { it.isThrowable() }) {
-            classBlock.statements += genereateThrowableProperties()
+            classBlock.statements += generateThrowableProperties()
         }
         context.staticContext.classModels[className] = classModel
         return classBlock
     }
 
-    private fun genereateThrowableProperties(): List<JsStatement> {
+    private fun generateThrowableProperties(): List<JsStatement> {
         val functions = irClass.declarations.filterIsInstance<IrSimpleFunction>()
 
         val messageGetter = functions.single { it.name == Name.special("<get-message>") }

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/transformers/irToJs/jsAstUtils.kt

@@ -8,9 +8,7 @@ package org.jetbrains.kotlin.ir.backend.js.transformers.irToJs
 import org.jetbrains.kotlin.backend.common.descriptors.isSuspend
 import org.jetbrains.kotlin.ir.backend.js.utils.JsGenerationContext
 import org.jetbrains.kotlin.ir.backend.js.utils.Namer
-import org.jetbrains.kotlin.ir.declarations.IrClass
 import org.jetbrains.kotlin.ir.declarations.IrFunction
-import org.jetbrains.kotlin.ir.declarations.IrPackageFragment
 import org.jetbrains.kotlin.ir.expressions.*
 import org.jetbrains.kotlin.js.backend.ast.*
 
@@ -81,12 +79,6 @@ fun translateCallArguments(expression: IrMemberAccessExpression, context: JsGene
     } else arguments
 }
 
-val IrFunction.isStatic: Boolean
-    get() = parent is IrClass && dispatchReceiverParameter == null
-
-val IrFunction.isTopLevel: Boolean
-    get() = parent is IrPackageFragment
-
 fun JsStatement.asBlock() = this as? JsBlock ?: JsBlock(this)
 
 fun JsName.objectInstanceName() = "${ident}_instance"

compiler/ir/backend.js/src/org/jetbrains/kotlin/ir/backend/js/utils/SimpleNameGenerator.kt

@@ -5,8 +5,9 @@
 
 package org.jetbrains.kotlin.ir.backend.js.utils
 
+import org.jetbrains.kotlin.backend.common.ir.isStatic
+import org.jetbrains.kotlin.backend.common.ir.isTopLevel
 import org.jetbrains.kotlin.descriptors.*
-import org.jetbrains.kotlin.ir.backend.js.transformers.irToJs.isStatic
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.expressions.IrLoop
 import org.jetbrains.kotlin.ir.symbols.IrSymbol
@@ -129,11 +130,11 @@ class SimpleNameGenerator : NameGenerator {
                 }
                 is IrField -> {
                     nameBuilder.append(declaration.name.asString())
-                    if (declaration.parent is IrDeclaration) {
+                    if (declaration.isTopLevel) {
+                        nameDeclarator = context.staticContext.rootScope::declareFreshName
+                    } else {
                         nameBuilder.append('.')
                         nameBuilder.append(getNameForDeclaration(declaration.parent as IrDeclaration, context))
-                    } else {
-                        nameDeclarator = context.staticContext.rootScope::declareFreshName
                     }
                 }
                 is IrClass -> {