[FIR] Support IntegerLiteralTypes

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/ImplementationConfigurator.kt

@@ -235,6 +235,7 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             defaultFalse("safe")
             lateinit("calleeReference")
             defaultNoReceivers()
+            kind = OpenClass
         }
 
         impl(qualifiedAccessExpression) {

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/NodeConfigurator.kt

@@ -138,7 +138,8 @@ object NodeConfigurator : AbstractFieldConfigurator() {
 
         returnExpression.configure {
             parentArg(jump, "E", function.withArgs("F" to "*"))
-            +field("result", expression)
+            +field("result", expression).withTransform()
+            needTransformOtherChildren()
         }
 
         label.configure {
@@ -178,7 +179,7 @@ object NodeConfigurator : AbstractFieldConfigurator() {
 
         constExpression.configure {
             withArg("T")
-            +field("kind", constKindType.withArgs("T"))
+            +field("kind", constKindType.withArgs("T"), withReplace = true)
             +field("value", "T", null)
         }
 
@@ -335,7 +336,7 @@ object NodeConfigurator : AbstractFieldConfigurator() {
             withArg("F", variable)
             parentArg(callableDeclaration, "F", "F")
             +symbol("FirVariableSymbol", "F")
-            +initializer
+            +initializer.withTransform()
             +field("delegate", expression, nullable = true)
             +field("delegateFieldSymbol", delegateFieldSymbolType, "F", nullable = true)
             generateBooleanFields("var", "val")

compiler/fir/tree/tree-generator/src/org/jetbrains/kotlin/fir/tree/generator/Types.kt

@@ -15,7 +15,6 @@ import org.jetbrains.kotlin.fir.tree.generator.context.generatedType
 import org.jetbrains.kotlin.fir.tree.generator.context.type
 import org.jetbrains.kotlin.fir.types.ConeClassErrorType
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
-import org.jetbrains.kotlin.ir.expressions.IrConstKind
 import org.jetbrains.kotlin.name.ClassId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
@@ -23,7 +22,7 @@ import org.jetbrains.kotlin.types.Variance
 
 val sourceElementType = type("fir", "FirSourceElement")
 val jumpTargetType = type("fir", "FirTarget")
-val constKindType = type(IrConstKind::class)
+val constKindType = generatedType("expressions", "FirConstKind")
 val operationType = type("fir.expressions", "FirOperation")
 val classKindType = type(ClassKind::class)
 val invocationKindType = type(InvocationKind::class)