FIR/LC: filter out scripts for facade creation

^KTIJ-22016 Fixed

compiler/light-classes/src/org/jetbrains/kotlin/asJava/LightClassGenerationSupport.kt

@@ -61,16 +61,19 @@ abstract class LightClassGenerationSupport {
 
     abstract val useUltraLightClasses: Boolean
 
+    internal fun canCreateUltraLightClassForFacade(
+        files: Collection<KtFile>,
+    ): Boolean {
+        return useUltraLightClasses && files.none { it.isScript() }
+    }
+
     fun createUltraLightClassForFacade(
         manager: PsiManager,
         facadeClassFqName: FqName,
         lightClassDataCache: CachedValue<LightClassDataHolder.ForFacade>,
         files: Collection<KtFile>,
     ): KtUltraLightClassForFacade? {
-
-        if (!useUltraLightClasses) return null
-
-        if (files.any { it.isScript() }) return null
+        if (!canCreateUltraLightClassForFacade(files)) return null
 
         val filesToSupports: List<Pair<KtFile, KtUltraLightSupport>> = files.map {
             it to getUltraLightClassSupport(it)

compiler/light-classes/src/org/jetbrains/kotlin/asJava/classes/KtLightClassForFacadeImpl.kt

@@ -233,7 +233,7 @@ open class KtLightClassForFacadeImpl constructor(
         fun createForFacadeNoCache(fqName: FqName, searchScope: GlobalSearchScope, project: Project): KtLightClassForFacade? {
 
             val sources = KotlinAsJavaSupport.getInstance(project).findFilesForFacade(fqName, searchScope)
-                .filterNot { it.isCompiled }
+                .filterNot { it.isCompiled || it.isScript() }
 
             if (sources.isEmpty()) return null
 
@@ -244,7 +244,7 @@ open class KtLightClassForFacadeImpl constructor(
             val manager = PsiManager.getInstance(project)
 
             return LightClassGenerationSupport.getInstance(project).run {
-                if (useUltraLightClasses) createUltraLightClassForFacade(manager, fqName, stubValue, sources)
+                if (canCreateUltraLightClassForFacade(sources)) createUltraLightClassForFacade(manager, fqName, stubValue, sources)
                     ?: error("Unable to create UL class for facade: $fqName for ${sources.joinToString { it.virtualFilePath }}")
                 else KtLightClassForFacadeImpl(manager, fqName, stubValue, sources)
             }

compiler/testData/asJava/ultraLightClasses/typeAliases.lib.java

@@ -1 +1 @@
-
+// NOT_GENERATED

compiler/testData/asJava/ultraLightFacades/script.java

@@ -0,0 +1 @@
+// NOT_GENERATED

compiler/testData/asJava/ultraLightFacades/script.kts

@@ -0,0 +1 @@
+println("Hello, I'm in <root> package")

compiler/tests-common/tests/org/jetbrains/kotlin/asJava/LightClassTestCommon.kt

@@ -14,7 +14,7 @@ import java.util.regex.Pattern
 
 object LightClassTestCommon {
     private val SUBJECT_FQ_NAME_PATTERN = Pattern.compile("^//\\s*(.*)$", Pattern.MULTILINE)
-    private const val NOT_GENERATED_DIRECTIVE = "// NOT_GENERATED"
+    const val NOT_GENERATED_DIRECTIVE = "// NOT_GENERATED"
 
     fun getActualLightClassText(
         testDataFile: File,