K2 Scripting: add support for result field

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/FirScript.kt

@@ -31,6 +31,7 @@ abstract class FirScript : FirDeclaration() {
     abstract override val symbol: FirScriptSymbol
     abstract val parameters: List<FirVariable>
     abstract val contextReceivers: List<FirContextReceiver>
+    abstract val resultPropertyName: Name?
 
     override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R = visitor.visitScript(this, data)
 

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/builder/FirScriptBuilder.kt

@@ -48,6 +48,7 @@ class FirScriptBuilder : FirAnnotationContainerBuilder {
     lateinit var symbol: FirScriptSymbol
     val parameters: MutableList<FirVariable> = mutableListOf()
     val contextReceivers: MutableList<FirContextReceiver> = mutableListOf()
+    var resultPropertyName: Name? = null
 
     override fun build(): FirScript {
         return FirScriptImpl(
@@ -62,6 +63,7 @@ class FirScriptBuilder : FirAnnotationContainerBuilder {
             symbol,
             parameters,
             contextReceivers.toMutableOrEmpty(),
+            resultPropertyName,
         )
     }
 
@@ -92,5 +94,6 @@ inline fun buildScriptCopy(original: FirScript, init: FirScriptBuilder.() -> Uni
     copyBuilder.symbol = original.symbol
     copyBuilder.parameters.addAll(original.parameters)
     copyBuilder.contextReceivers.addAll(original.contextReceivers)
+    copyBuilder.resultPropertyName = original.resultPropertyName
     return copyBuilder.apply(init).build()
 }

compiler/fir/tree/gen/org/jetbrains/kotlin/fir/declarations/impl/FirScriptImpl.kt

@@ -43,6 +43,7 @@ internal class FirScriptImpl(
     override val symbol: FirScriptSymbol,
     override val parameters: MutableList<FirVariable>,
     override var contextReceivers: MutableOrEmptyList<FirContextReceiver>,
+    override val resultPropertyName: Name?,
 ) : FirScript() {
     init {
         symbol.bind(this)