FIR: Add new nodes kind for comparison operator

^KT-31163 In Progress

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

@@ -79,6 +79,7 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
     val call = element("Call", Expression, statement) // TODO: may smth like `CallWithArguments` or `ElementWithArguments`?
     val annotationCall = element("AnnotationCall", Expression, expression, call)
     val operatorCall = element("OperatorCall", Expression, expression, call)
+    val comparisonExpression = element("ComparisonExpression", Expression, expression)
     val typeOperatorCall = element("TypeOperatorCall", Expression, expression, call)
     val whenExpression = element("WhenExpression", Expression, expression, resolvable)
     val whenBranch = element("WhenBranch", Expression)
@@ -140,4 +141,4 @@ object FirTreeBuilder : AbstractFirTreeBuilder() {
     val composedSuperTypeRef = element("ComposedSuperTypeRef", TypeRef, typeRef)
 
     val contractDescription = element("ContractDescription", Contracts)
-}
+}

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

@@ -8,6 +8,7 @@ package org.jetbrains.kotlin.fir.tree.generator
 import org.jetbrains.kotlin.fir.tree.generator.context.AbstractFirTreeImplementationConfigurator
 import org.jetbrains.kotlin.fir.tree.generator.model.Implementation.Kind.Object
 import org.jetbrains.kotlin.fir.tree.generator.model.Implementation.Kind.OpenClass
+import org.jetbrains.kotlin.fir.tree.generator.model.Type
 
 object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator() {
     fun configureImplementations() {
@@ -241,6 +242,11 @@ object ImplementationConfigurator : AbstractFirTreeImplementationConfigurator()
             useTypes(implicitTypeRefType, implicitBooleanTypeRefType)
         }
 
+        impl(comparisonExpression) {
+            default("typeRef", "FirImplicitBooleanTypeRef(null)")
+            useTypes(implicitBooleanTypeRefType)
+        }
+
         impl(typeOperatorCall)
 
         impl(resolvedQualifier) {

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

@@ -185,6 +185,11 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +field("operation", operationType)
         }
 
+        comparisonExpression.configure {
+            +field("operation", operationType)
+            +field("compareToCall", functionCall)
+        }
+
         typeOperatorCall.configure {
             +field("operation", operationType)
             +field("conversionTypeRef", typeRef)