Implement support for synthetic script params in IR:

implicit receivers and provided properties
also support script imports

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/IrScript.kt

@@ -24,9 +24,11 @@ abstract class IrScript :
 
     abstract var explicitCallParameters: List<IrValueParameter>
 
-    abstract var implicitReceivers: List<IrValueParameter>
+    abstract var implicitReceiversParameters: List<IrValueParameter>
 
-    abstract var providedProperties: List<IrPropertySymbol>
+    abstract var providedProperties: List<Pair<IrValueParameter, IrPropertySymbol>>
 
     abstract var resultProperty: IrPropertySymbol?
+
+    abstract var earlierScripts: List<IrScriptSymbol>?
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/declarations/impl/IrScriptImpl.kt

@@ -46,9 +46,10 @@ class IrScriptImpl(
 
     override lateinit var baseClass: IrType
     override lateinit var explicitCallParameters: List<IrValueParameter>
-    override lateinit var implicitReceivers: List<IrValueParameter>
-    override lateinit var providedProperties: List<IrPropertySymbol>
+    override lateinit var implicitReceiversParameters: List<IrValueParameter>
+    override lateinit var providedProperties: List<Pair<IrValueParameter, IrPropertySymbol>>
     override var resultProperty: IrPropertySymbol? = null
+    override var earlierScripts: List<IrScriptSymbol>? = null
 
     @ObsoleteDescriptorBasedAPI
     override val descriptor: ScriptDescriptor
@@ -68,10 +69,16 @@ class IrScriptImpl(
     override fun <D> acceptChildren(visitor: IrElementVisitor<Unit, D>, data: D) {
         statements.forEach { it.accept(visitor, data) }
         thisReceiver.accept(visitor, data)
+        explicitCallParameters.forEach { it.accept(visitor, data) }
+        implicitReceiversParameters.forEach { it.accept(visitor, data) }
+        providedProperties.forEach { it.first.accept(visitor, data) }
     }
 
     override fun <D> transformChildren(transformer: IrElementTransformer<D>, data: D) {
         statements.transformInPlace(transformer, data)
         thisReceiver = thisReceiver.transform(transformer, data)
+        explicitCallParameters = explicitCallParameters.map { it.transform(transformer, data) }
+        implicitReceiversParameters = implicitReceiversParameters.map { it.transform(transformer, data) }
+        providedProperties = providedProperties.map { it.first.transform(transformer, data) to it.second }
     }
 }

compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/DeepCopyIrTreeWithSymbols.kt

@@ -119,6 +119,9 @@ open class DeepCopyIrTreeWithSymbols(
         ).also { scriptCopy ->
             scriptCopy.thisReceiver = declaration.thisReceiver.transform()
             declaration.statements.mapTo(scriptCopy.statements) { it.transform() }
+            scriptCopy.explicitCallParameters = declaration.explicitCallParameters.map { it.transform() }
+            scriptCopy.implicitReceiversParameters = declaration.implicitReceiversParameters.map { it.transform() }
+            scriptCopy.providedProperties = declaration.providedProperties.map { it.first.transform() to it.second }
         }
     }