SLC: add support for .kts

^KTIJ-21108
^KT-50241
^KT-55626 Fixed

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/components/KtScopeProvider.kt

@@ -173,6 +173,7 @@ public sealed class KtScopeKind {
      * Represents [KtTypeScope], which doesn't include synthetic Java properties of corresponding type.
      */
     public class SimpleTypeScope(override val indexInTower: Int) : TypeScope()
+
     public class SyntheticJavaPropertiesScope(override val indexInTower: Int) : TypeScope()
 
     public sealed class NonLocalScope : KtScopeKind()
@@ -216,6 +217,11 @@ public sealed class KtScopeKind {
      * Represents [KtScope] containing static members of a classifier.
      */
     public class StaticMemberScope(override val indexInTower: Int) : NonLocalScope()
+
+    /**
+     * Represents [KtScope] containing members of a script.
+     */
+    public class ScriptMemberScope(override val indexInTower: Int) : NonLocalScope()
 }
 
 public data class KtScopeWithKind(

analysis/analysis-api/src/org/jetbrains/kotlin/analysis/api/symbols/KtScriptSymbol.kt

@@ -8,9 +8,10 @@ package org.jetbrains.kotlin.analysis.api.symbols
 import org.jetbrains.kotlin.analysis.api.KtAnalysisSession
 import org.jetbrains.kotlin.analysis.api.symbols.markers.KtAnnotatedSymbol
 import org.jetbrains.kotlin.analysis.api.symbols.markers.KtNamedSymbol
+import org.jetbrains.kotlin.analysis.api.symbols.markers.KtSymbolWithMembers
 import org.jetbrains.kotlin.analysis.api.symbols.pointers.KtSymbolPointer
 
-public abstract class KtScriptSymbol : KtDeclarationSymbol, KtAnnotatedSymbol, KtNamedSymbol {
+public abstract class KtScriptSymbol : KtDeclarationSymbol, KtAnnotatedSymbol, KtNamedSymbol, KtSymbolWithMembers {
     context(KtAnalysisSession)
     abstract override fun createPointer(): KtSymbolPointer<KtScriptSymbol>
 }