JS IR: initial lowerings reuse

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

@@ -34,7 +34,14 @@ abstract class Symbols<out T: CommonBackendContext>(val context: T, private val
     protected fun builtInsPackage(vararg packageNameSegments: String) =
             context.builtIns.builtInsModule.getPackage(FqName.fromSegments(listOf(*packageNameSegments))).memberScope
 
-    val refClass = symbolTable.referenceClass(context.getInternalClass("Ref"))
+
+    // This hack allows to disable related symbol instantiation in descendants
+    // TODO move relevant symbols to non-common code
+    open fun calc(initializer: () -> IrClassSymbol): IrClassSymbol {
+        return initializer()
+    }
+
+    val refClass = calc { symbolTable.referenceClass(context.getInternalClass("Ref")) }
 
     //abstract val areEqualByValue: List<IrFunctionSymbol>
 
@@ -44,7 +51,7 @@ abstract class Symbols<out T: CommonBackendContext>(val context: T, private val
     abstract val ThrowNoWhenBranchMatchedException: IrFunctionSymbol
     abstract val ThrowTypeCastException: IrFunctionSymbol
 
-    abstract val ThrowUninitializedPropertyAccessException: IrFunctionSymbol
+    abstract val ThrowUninitializedPropertyAccessException: IrSimpleFunctionSymbol
 
     abstract val stringBuilder: IrClassSymbol
 
@@ -74,7 +81,7 @@ abstract class Symbols<out T: CommonBackendContext>(val context: T, private val
 //    val getProgressionLast = context.getInternalFunctions("getProgressionLast")
 //            .map { Pair(it.returnType, symbolTable.referenceSimpleFunction(it)) }.toMap()
 
-    val defaultConstructorMarker = symbolTable.referenceClass(context.getInternalClass("DefaultConstructorMarker"))
+    val defaultConstructorMarker = calc { symbolTable.referenceClass(context.getInternalClass("DefaultConstructorMarker")) }
 
     val any = symbolTable.referenceClass(builtIns.any)
     val unit = symbolTable.referenceClass(builtIns.unit)
@@ -137,13 +144,13 @@ abstract class Symbols<out T: CommonBackendContext>(val context: T, private val
 
     abstract val copyRangeTo: Map<ClassDescriptor, IrSimpleFunctionSymbol>
 
-    val intAnd = symbolTable.referenceFunction(
+    val intAnd = symbolTable.referenceSimpleFunction(
             builtIns.intType.memberScope
                     .getContributedFunctions(OperatorNameConventions.AND, NoLookupLocation.FROM_BACKEND)
                     .single()
     )
 
-    val intPlusInt = symbolTable.referenceFunction(
+    val intPlusInt = symbolTable.referenceSimpleFunction(
             builtIns.intType.memberScope
                     .getContributedFunctions(OperatorNameConventions.PLUS, NoLookupLocation.FROM_BACKEND)
                     .single {
@@ -164,14 +171,14 @@ abstract class Symbols<out T: CommonBackendContext>(val context: T, private val
 
     abstract val coroutineSuspendedGetter: IrSimpleFunctionSymbol
 
-    val kFunctionImpl = symbolTable.referenceClass(context.reflectionTypes.kFunctionImpl)
+    val kFunctionImpl = calc { symbolTable.referenceClass(context.reflectionTypes.kFunctionImpl) }
 
-    val kProperty0Impl = symbolTable.referenceClass(context.reflectionTypes.kProperty0Impl)
-    val kProperty1Impl = symbolTable.referenceClass(context.reflectionTypes.kProperty1Impl)
-    val kProperty2Impl = symbolTable.referenceClass(context.reflectionTypes.kProperty2Impl)
-    val kMutableProperty0Impl = symbolTable.referenceClass(context.reflectionTypes.kMutableProperty0Impl)
-    val kMutableProperty1Impl = symbolTable.referenceClass(context.reflectionTypes.kMutableProperty1Impl)
-    val kMutableProperty2Impl = symbolTable.referenceClass(context.reflectionTypes.kMutableProperty2Impl)
+    val kProperty0Impl = calc { symbolTable.referenceClass(context.reflectionTypes.kProperty0Impl) }
+    val kProperty1Impl = calc { symbolTable.referenceClass(context.reflectionTypes.kProperty1Impl) }
+    val kProperty2Impl = calc { symbolTable.referenceClass(context.reflectionTypes.kProperty2Impl) }
+    val kMutableProperty0Impl = calc { symbolTable.referenceClass(context.reflectionTypes.kMutableProperty0Impl) }
+    val kMutableProperty1Impl = calc { symbolTable.referenceClass(context.reflectionTypes.kMutableProperty1Impl) }
+    val kMutableProperty2Impl = calc { symbolTable.referenceClass(context.reflectionTypes.kMutableProperty2Impl) }
 //    val kLocalDelegatedPropertyImpl = symbolTable.referenceClass(context.reflectionTypes.kLocalDelegatedPropertyImpl)
 //    val kLocalDelegatedMutablePropertyImpl = symbolTable.referenceClass(context.reflectionTypes.kLocalDelegatedMutablePropertyImpl)
 

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/InitializersLowering.kt

@@ -1,24 +1,12 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
-package org.jetbrains.kotlin.backend.jvm.lower
+package org.jetbrains.kotlin.backend.common.lower
 
 import org.jetbrains.kotlin.backend.common.ClassLoweringPass
-import org.jetbrains.kotlin.backend.jvm.JvmBackendContext
-import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
+import org.jetbrains.kotlin.backend.common.CommonBackendContext
 import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.SourceElement
@@ -29,6 +17,7 @@ import org.jetbrains.kotlin.ir.IrElement
 import org.jetbrains.kotlin.ir.IrStatement
 import org.jetbrains.kotlin.ir.declarations.IrAnonymousInitializer
 import org.jetbrains.kotlin.ir.declarations.IrClass
+import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
 import org.jetbrains.kotlin.ir.declarations.IrField
 import org.jetbrains.kotlin.ir.declarations.impl.IrFunctionImpl
 import org.jetbrains.kotlin.ir.expressions.IrExpression
@@ -48,7 +37,7 @@ import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
 import java.util.*
 
 
-class InitializersLowering(val context: JvmBackendContext) : ClassLoweringPass {
+class InitializersLowering(val context: CommonBackendContext, val declarationOrigin: IrDeclarationOrigin) : ClassLoweringPass {
     override fun lower(irClass: IrClass) {
         val classInitializersBuilder = ClassInitializersBuilder(irClass)
         irClass.acceptChildrenVoid(classInitializersBuilder)
@@ -106,9 +95,9 @@ class InitializersLowering(val context: JvmBackendContext) : ClassLoweringPass {
 
         fun createStaticInitializationMethod(irClass: IrClass) {
             val staticInitializerDescriptor = SimpleFunctionDescriptorImpl.create(
-                    irClass.descriptor, Annotations.EMPTY, clinitName,
-                    CallableMemberDescriptor.Kind.SYNTHESIZED,
-                    SourceElement.NO_SOURCE
+                irClass.descriptor, Annotations.EMPTY, clinitName,
+                CallableMemberDescriptor.Kind.SYNTHESIZED,
+                SourceElement.NO_SOURCE
             )
             staticInitializerDescriptor.initialize(
                     null, null, emptyList(), emptyList(),
@@ -116,7 +105,7 @@ class InitializersLowering(val context: JvmBackendContext) : ClassLoweringPass {
                     Modality.FINAL, Visibilities.PUBLIC
             )
             irClass.declarations.add(
-                    IrFunctionImpl(irClass.startOffset, irClass.endOffset, JvmLoweredDeclarationOrigin.CLASS_STATIC_INITIALIZER,
+                    IrFunctionImpl(irClass.startOffset, irClass.endOffset, declarationOrigin,
                                    staticInitializerDescriptor,
                                    IrBlockBodyImpl(irClass.startOffset, irClass.endOffset,
                                                    staticInitializerStatements.map { it.copy() }))

compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/lower/PropertiesLowering.kt

@@ -1,20 +1,9 @@
 /*
- * Copyright 2010-2016 JetBrains s.r.o.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
  */
 
-package org.jetbrains.kotlin.backend.jvm.lower
+package org.jetbrains.kotlin.backend.common.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
 import org.jetbrains.kotlin.ir.IrStatement
@@ -31,7 +20,7 @@ import java.util.*
 
 class PropertiesLowering : IrElementTransformerVoid(), FileLoweringPass {
     override fun lower(irFile: IrFile) {
-        irFile.transformChildrenVoid(this)
+        irFile.accept(this, null)
     }
 
     override fun visitFile(declaration: IrFile): IrFile {

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

@@ -0,0 +1,13 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.ir.backend.js
+
+import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
+import org.jetbrains.kotlin.ir.declarations.IrDeclarationOriginImpl
+
+object JsLoweredDeclarationOrigin : IrDeclarationOrigin {
+    object CLASS_STATIC_INITIALIZER : IrDeclarationOriginImpl("CLASS_STATIC_INITIALIZER")
+}

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

@@ -0,0 +1,113 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.ir.backend.js
+
+import org.jetbrains.kotlin.backend.common.CommonBackendContext
+import org.jetbrains.kotlin.backend.common.ReflectionTypes
+import org.jetbrains.kotlin.backend.common.ir.Ir
+import org.jetbrains.kotlin.backend.common.ir.Symbols
+import org.jetbrains.kotlin.descriptors.*
+import org.jetbrains.kotlin.incremental.components.NoLookupLocation
+import org.jetbrains.kotlin.ir.IrElement
+import org.jetbrains.kotlin.ir.declarations.*
+import org.jetbrains.kotlin.ir.descriptors.IrBuiltIns
+import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
+import org.jetbrains.kotlin.ir.symbols.IrSimpleFunctionSymbol
+import org.jetbrains.kotlin.ir.util.SymbolTable
+import org.jetbrains.kotlin.name.FqName
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.resolve.scopes.MemberScope
+
+class JsIrBackendContext(
+    val module: ModuleDescriptor,
+    override val irBuiltIns: IrBuiltIns,
+    irModuleFragment: IrModuleFragment,
+    symbolTable: SymbolTable
+) : CommonBackendContext {
+    override val builtIns = module.builtIns
+    override val sharedVariablesManager = JsSharedVariablesManager(builtIns)
+
+    override val reflectionTypes: ReflectionTypes by lazy(LazyThreadSafetyMode.PUBLICATION) {
+        // TODO
+        ReflectionTypes(module, FqName("kotlin.reflect"))
+    }
+
+    override val ir: Ir<CommonBackendContext> = object : Ir<CommonBackendContext>(this, irModuleFragment) {
+        override val symbols: Symbols<CommonBackendContext> = object : Symbols<CommonBackendContext>(this@JsIrBackendContext, symbolTable) {
+
+            override fun calc(initializer: () -> IrClassSymbol): IrClassSymbol {
+                return object : IrClassSymbol {
+                    override val owner: IrClass get() = TODO("not implemented")
+                    override val isBound: Boolean get() = TODO("not implemented")
+                    override fun bind(owner: IrClass) = TODO("not implemented")
+                    override val descriptor: ClassDescriptor get() = TODO("not implemented")
+                }
+            }
+
+            override val areEqual
+                get () = TODO("not implemented")
+
+            override val ThrowNullPointerException
+                get () = TODO("not implemented")
+
+            override val ThrowNoWhenBranchMatchedException
+                get () = TODO("not implemented")
+
+            override val ThrowTypeCastException
+                get () = TODO("not implemented")
+
+            override val ThrowUninitializedPropertyAccessException = symbolTable.referenceSimpleFunction(
+                irBuiltIns.defineOperator(
+                    "throwUninitializedPropertyAccessException",
+                    builtIns.nothingType,
+                    listOf(builtIns.stringType)
+                ).descriptor
+            )
+
+            override val stringBuilder
+                get() = TODO("not implemented")
+            override val copyRangeTo: Map<ClassDescriptor, IrSimpleFunctionSymbol>
+                get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
+            override val coroutineImpl: IrClassSymbol
+                get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
+            override val coroutineSuspendedGetter: IrSimpleFunctionSymbol
+                get() = TODO("not implemented") //To change initializer of created properties use File | Settings | File Templates.
+        }
+
+        override fun shouldGenerateHandlerParameterForDefaultBodyFun() = true
+    }
+
+    private fun find(memberScope: MemberScope, className: String): ClassDescriptor {
+        return find(memberScope, Name.identifier(className))
+    }
+
+    private fun find(memberScope: MemberScope, name: Name): ClassDescriptor {
+        return memberScope.getContributedClassifier(name, NoLookupLocation.FROM_BACKEND) as ClassDescriptor
+    }
+
+    override fun getInternalClass(name: String): ClassDescriptor {
+        return find(module.getPackage(FqName("kotlin.js")).memberScope, name)
+    }
+
+    override fun getClass(fqName: FqName): ClassDescriptor {
+        return find(module.getPackage(fqName.parent()).memberScope, fqName.shortName())
+    }
+
+    override fun getInternalFunctions(name: String): List<FunctionDescriptor> {
+        TODO("not implemented") //To change body of created functions use File | Settings | File Templates.
+    }
+
+    override fun log(message: () -> String) {
+        /*TODO*/
+        print(message())
+    }
+
+    override fun report(element: IrElement?, irFile: IrFile?, message: String, isError: Boolean) {
+        /*TODO*/
+        print(message)
+    }
+
+}

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

@@ -0,0 +1,33 @@
+/*
+ * Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
+ * that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.ir.backend.js
+
+import org.jetbrains.kotlin.backend.common.descriptors.SharedVariablesManager
+import org.jetbrains.kotlin.builtins.KotlinBuiltIns
+import org.jetbrains.kotlin.descriptors.VariableDescriptor
+import org.jetbrains.kotlin.ir.IrStatement
+import org.jetbrains.kotlin.ir.declarations.IrVariable
+import org.jetbrains.kotlin.ir.expressions.IrExpression
+import org.jetbrains.kotlin.ir.expressions.IrGetValue
+import org.jetbrains.kotlin.ir.expressions.IrSetVariable
+
+class JsSharedVariablesManager(builtIns: KotlinBuiltIns): SharedVariablesManager {
+    override fun createSharedVariableDescriptor(variableDescriptor: VariableDescriptor): VariableDescriptor {
+        TODO("not implemented")
+    }
+
+    override fun defineSharedValue(sharedVariableDescriptor: VariableDescriptor, originalDeclaration: IrVariable): IrStatement {
+        TODO("not implemented")
+    }
+
+    override fun getSharedValue(sharedVariableDescriptor: VariableDescriptor, originalGet: IrGetValue): IrExpression {
+        TODO("not implemented")
+    }
+
+    override fun setSharedValue(sharedVariableDescriptor: VariableDescriptor, originalSet: IrSetVariable): IrExpression {
+        TODO("not implemented")
+    }
+}

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

@@ -6,8 +6,15 @@
 package org.jetbrains.kotlin.ir.backend.js
 
 import com.intellij.openapi.project.Project
+import org.jetbrains.kotlin.backend.common.lower.*
+import org.jetbrains.kotlin.backend.common.runOnFilePostfix
 import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.ir.backend.js.transformers.irToJs.IrModuleToJsTransformer
+import org.jetbrains.kotlin.ir.declarations.IrDeclarationOrigin
+import org.jetbrains.kotlin.ir.declarations.IrDeclarationOriginImpl
+import org.jetbrains.kotlin.ir.declarations.IrFile
+import org.jetbrains.kotlin.ir.util.ExternalDependenciesGenerator
+import org.jetbrains.kotlin.ir.util.dump
 import org.jetbrains.kotlin.js.analyze.TopDownAnalyzerFacadeForJS
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.progress.ProgressIndicatorAndCompilationCanceledStatus
@@ -25,9 +32,26 @@ fun compile(
 
     TopDownAnalyzerFacadeForJS.checkForErrors(files, analysisResult.bindingContext)
 
-    val moduleFragment = Psi2IrTranslator().generateModule(analysisResult.moduleDescriptor, files, analysisResult.bindingContext)
+    val psi2IrTranslator = Psi2IrTranslator()
+    val psi2IrContext = psi2IrTranslator.createGeneratorContext(analysisResult.moduleDescriptor, analysisResult.bindingContext)
+
+    val moduleFragment = psi2IrTranslator.generateModuleFragment(psi2IrContext, files)
+
+    val context = JsIrBackendContext(analysisResult.moduleDescriptor, psi2IrContext.irBuiltIns, moduleFragment, psi2IrContext.symbolTable)
+
+    ExternalDependenciesGenerator(psi2IrContext.symbolTable, psi2IrContext.irBuiltIns).generateUnboundSymbolsAsDependencies(moduleFragment)
+
+    moduleFragment.files.forEach { context.lower(it) }
 
     val program = moduleFragment.accept(IrModuleToJsTransformer(), null)
 
     return program.toString()
 }
+
+fun JsIrBackendContext.lower(file: IrFile) {
+    LateinitLowering(this, true).lower(file)
+    PropertiesLowering().lower(file)
+    LocalFunctionsLowering(this).lower(file)
+    DefaultArgumentStubGenerator(this).runOnFilePostfix(file)
+    InitializersLowering(this, JsLoweredDeclarationOrigin.CLASS_STATIC_INITIALIZER).runOnFilePostfix(file)
+}

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/JvmLower.kt

@@ -51,7 +51,7 @@ class JvmLower(val context: JvmBackendContext) {
         EnumClassLowering(context).runOnFilePostfix(irFile)
         //Should be before SyntheticAccessorLowering cause of synthetic accessor for companion constructor
         ObjectClassLowering(context).lower(irFile)
-        InitializersLowering(context).runOnFilePostfix(irFile)
+        InitializersLowering(context, JvmLoweredDeclarationOrigin.CLASS_STATIC_INITIALIZER).runOnFilePostfix(irFile)
         SingletonReferencesLowering(context).runOnFilePostfix(irFile)
         SyntheticAccessorLowering(context).lower(irFile)
         BridgeLowering(context).runOnFilePostfix(irFile)

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/codegen/FunctionCodegen.kt

@@ -18,7 +18,7 @@ package org.jetbrains.kotlin.backend.jvm.codegen
 
 import org.jetbrains.kotlin.backend.common.lower.DECLARATION_ORIGIN_FUNCTION_FOR_DEFAULT_PARAMETER
 import org.jetbrains.kotlin.backend.jvm.descriptors.JvmDescriptorWithExtraFlags
-import org.jetbrains.kotlin.backend.jvm.lower.InitializersLowering
+import org.jetbrains.kotlin.backend.common.lower.InitializersLowering
 import org.jetbrains.kotlin.codegen.*
 import org.jetbrains.kotlin.codegen.FunctionCodegen
 import org.jetbrains.kotlin.codegen.state.GenerationState

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/InterfaceLowering.kt

@@ -20,7 +20,7 @@ import org.jetbrains.kotlin.backend.common.ClassLoweringPass
 import org.jetbrains.kotlin.backend.common.lower.DECLARATION_ORIGIN_FUNCTION_FOR_DEFAULT_PARAMETER
 import org.jetbrains.kotlin.backend.jvm.JvmLoweredDeclarationOrigin
 import org.jetbrains.kotlin.backend.jvm.descriptors.DefaultImplsClassDescriptorImpl
-import org.jetbrains.kotlin.backend.jvm.lower.InitializersLowering.Companion.clinitName
+import org.jetbrains.kotlin.backend.common.lower.InitializersLowering.Companion.clinitName
 import org.jetbrains.kotlin.codegen.AsmUtil
 import org.jetbrains.kotlin.codegen.state.GenerationState
 import org.jetbrains.kotlin.codegen.state.KotlinTypeMapper

compiler/ir/backend.jvm/src/org/jetbrains/kotlin/backend/jvm/lower/descriptorUtils.kt

@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.backend.jvm.lower
 
+import org.jetbrains.kotlin.backend.common.lower.InitializersLowering
 import org.jetbrains.kotlin.descriptors.*
 import org.jetbrains.kotlin.descriptors.annotations.AnnotationsImpl
 import org.jetbrains.kotlin.descriptors.impl.SimpleFunctionDescriptorImpl

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/descriptors/IrBuiltIns.kt

@@ -42,7 +42,7 @@ class IrBuiltIns(val builtIns: KotlinBuiltIns) {
 
     private val stubBuilder = DeclarationStubGenerator(SymbolTable(), IrDeclarationOrigin.IR_BUILTINS_STUB)
 
-    private fun defineOperator(name: String, returnType: KotlinType, valueParameterTypes: List<KotlinType>): IrSimpleFunction {
+    fun defineOperator(name: String, returnType: KotlinType, valueParameterTypes: List<KotlinType>): IrSimpleFunction {
         val operatorDescriptor = IrSimpleBuiltinOperatorDescriptorImpl(packageFragment, Name.identifier(name), returnType)
         for ((i, valueParameterType) in valueParameterTypes.withIndex()) {
             operatorDescriptor.addValueParameter(