[TESTS] Add abstraction at IrBackendInput to work with several backends

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrInlineBodiesHandler.kt

@@ -21,10 +21,10 @@ class IrInlineBodiesHandler(testServices: TestServices) : AbstractIrHandler(test
     val declaredInlineFunctionSignatures = mutableSetOf<IdSignature>()
 
     override fun processModule(module: TestModule, info: IrBackendInput) {
-        val irModule = info.backendInput.irModuleFragment
+        val irModule = info.irModuleFragment
         irModule.acceptChildrenVoid(InlineFunctionsCollector())
         irModule.acceptChildrenVoid(InlineCallBodiesCheck())
-        assertions.assertTrue(info.backendInput.symbolTable.allUnbound.isEmpty())
+        assertions.assertTrue((info as IrBackendInput.JvmIrBackendInput).backendInput.symbolTable.allUnbound.isEmpty())
     }
 
     override fun processAfterAllModules(someAssertionWasFailed: Boolean) {

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrInterpreterBackendHandler.kt

@@ -27,7 +27,7 @@ open class IrInterpreterBackendHandler(testServices: TestServices) : AbstractIrH
     override fun processAfterAllModules(someAssertionWasFailed: Boolean) {}
 
     override fun processModule(module: TestModule, info: IrBackendInput) {
-        val moduleFragment = info.backendInput.irModuleFragment
+        val moduleFragment = info.irModuleFragment
         val evaluator = Evaluator(IrInterpreter(moduleFragment.irBuiltins), globalMetadataInfoHandler)
         for ((irFile, testFile) in moduleFragment.files.zip(module.files)) {
             if (testFile.isAdditional) continue

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrPrettyKotlinDumpHandler.kt

@@ -36,7 +36,7 @@ class IrPrettyKotlinDumpHandler(testServices: TestServices) : AbstractIrHandler(
     override fun processModule(module: TestModule, info: IrBackendInput) {
         if (DUMP_KT_IR !in module.directives || SKIP_KT_DUMP in module.directives) return
 
-        val irFiles = info.backendInput.irModuleFragment.files
+        val irFiles = info.irModuleFragment.files
         val builder = dumper.builderForModule(module)
         val filteredIrFiles = irFiles.groupWithTestFiles(module).filterNot {
             it.first?.directives?.contains(EXTERNAL_FILE) == true

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrTextDumpHandler.kt

@@ -63,7 +63,7 @@ class IrTextDumpHandler(testServices: TestServices) : AbstractIrHandler(testServ
     @OptIn(ExperimentalStdlibApi::class)
     override fun processModule(module: TestModule, info: IrBackendInput) {
         if (DUMP_IR !in module.directives) return
-        val irFiles = info.backendInput.irModuleFragment.files
+        val irFiles = info.irModuleFragment.files
         val testFileToIrFile = irFiles.groupWithTestFiles(module)
         val builder = baseDumper.builderForModule(module)
         for ((testFile, irFile) in testFileToIrFile) {
@@ -87,7 +87,7 @@ class IrTextDumpHandler(testServices: TestServices) : AbstractIrHandler(testServ
         // TODO: why JS one is used here in original AbstractIrTextTestCase?
         val mangler = JsManglerDesc
         val signaturer = IdSignatureDescriptor(mangler)
-        val irModule = info.backendInput.irModuleFragment
+        val irModule = info.irModuleFragment
         val stubGenerator = DeclarationStubGeneratorImpl(
             irModule.descriptor,
             SymbolTable(signaturer, IrFactoryImpl), // TODO

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/handlers/IrTreeVerifierHandler.kt

@@ -22,7 +22,7 @@ class IrTreeVerifierHandler(testServices: TestServices) : AbstractIrHandler(test
 
     override fun processModule(module: TestModule, info: IrBackendInput) {
         if (CodegenTestDirectives.DUMP_IR !in module.directives) return
-        val irFiles = info.backendInput.irModuleFragment.files
+        val irFiles = info.irModuleFragment.files
         val testFileToIrFile = irFiles.groupWithTestFiles(module)
         for ((testFile, irFile) in testFileToIrFile) {
             if (testFile?.directives?.contains(EXTERNAL_FILE) == true) continue

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/ir/IrBackendInput.kt

@@ -7,14 +7,35 @@ package org.jetbrains.kotlin.test.backend.ir
 
 import org.jetbrains.kotlin.backend.jvm.JvmIrCodegenFactory
 import org.jetbrains.kotlin.codegen.state.GenerationState
+import org.jetbrains.kotlin.descriptors.DeclarationDescriptor
+import org.jetbrains.kotlin.ir.backend.js.lower.serialization.ir.JsIrLinker
+import org.jetbrains.kotlin.ir.declarations.IrModuleFragment
+import org.jetbrains.kotlin.ir.symbols.IrSymbol
+import org.jetbrains.kotlin.ir.util.SymbolTable
+import org.jetbrains.kotlin.psi.KtFile
+import org.jetbrains.kotlin.resolve.BindingContext
 import org.jetbrains.kotlin.test.model.BackendKinds
 import org.jetbrains.kotlin.test.model.ResultingArtifact
 
 // IR backend (JVM, JS, Native)
-data class IrBackendInput(
-    val state: GenerationState,
-    val backendInput: JvmIrCodegenFactory.JvmIrBackendInput
-) : ResultingArtifact.BackendInput<IrBackendInput>() {
+sealed class IrBackendInput : ResultingArtifact.BackendInput<IrBackendInput>() {
     override val kind: BackendKinds.IrBackend
         get() = BackendKinds.IrBackend
+
+    abstract val irModuleFragment: IrModuleFragment
+
+    data class JsIrBackendInput(
+        override val irModuleFragment: IrModuleFragment,
+        val sourceFiles: List<KtFile>,
+        val bindingContext: BindingContext,
+        val expectDescriptorToSymbol: MutableMap<DeclarationDescriptor, IrSymbol>,
+    ) : IrBackendInput()
+
+    data class JvmIrBackendInput(
+        val state: GenerationState,
+        val backendInput: JvmIrCodegenFactory.JvmIrBackendInput
+    ) : IrBackendInput() {
+        override val irModuleFragment: IrModuleFragment
+            get() = backendInput.irModuleFragment
+    }
 }

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/backend/ir/JvmIrBackendFacade.kt

@@ -24,6 +24,9 @@ class JvmIrBackendFacade(
         module: TestModule,
         inputArtifact: IrBackendInput
     ): BinaryArtifacts.Jvm? {
+        if (inputArtifact !is IrBackendInput.JvmIrBackendInput) {
+            error("JvmIrBackendFacade expects IrBackendInput.JvmIrBackendInput as input")
+        }
         val state = inputArtifact.state
         val codegenFactory = state.codegenFactory as JvmIrCodegenFactory
         try {

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/classic/ClassicFrontend2IrConverter.kt

@@ -47,6 +47,9 @@ class ClassicFrontend2IrConverter(
             .diagnosticReporter(DiagnosticReporterFactory.createReporter())
             .build()
 
-        return IrBackendInput(state, codegenFactory.convertToIr(CodegenFactory.IrConversionInput.fromGenerationState(state)))
+        return IrBackendInput.JvmIrBackendInput(
+            state,
+            codegenFactory.convertToIr(CodegenFactory.IrConversionInput.fromGenerationState(state))
+        )
     }
 }

compiler/tests-common-new/tests/org/jetbrains/kotlin/test/frontend/fir/Fir2IrResultsConverter.kt

@@ -74,7 +74,7 @@ class Fir2IrResultsConverter(
 
         val irProviders = codegenFactory.configureBuiltInsAndGenerateIrProvidersInFrontendIRMode(irModuleFragment, symbolTable, extensions)
 
-        return IrBackendInput(
+        return IrBackendInput.JvmIrBackendInput(
             generationState,
             JvmIrCodegenFactory.JvmIrBackendInput(
                 irModuleFragment,