Implement TypeSystemContext for FIR #KT-29968 Fixed

Use this context in FirClassUseSiteScope for type comparison

compiler/fir/cones/src/org/jetbrains/kotlin/fir/symbols/ConeSymbols.kt

@@ -6,10 +6,13 @@
 package org.jetbrains.kotlin.fir.symbols
 
 import org.jetbrains.kotlin.name.ClassId
+import org.jetbrains.kotlin.name.Name
+import org.jetbrains.kotlin.types.model.TypeConstructorMarker
+import org.jetbrains.kotlin.types.model.TypeParameterMarker
 
-interface ConeSymbol
+interface ConeSymbol : TypeConstructorMarker
 
-interface ConeClassifierSymbol : ConeSymbol {
+interface ConeClassifierSymbol : ConeSymbol, TypeParameterMarker {
     fun toLookupTag(): ConeClassifierLookupTag
 }
 
@@ -17,7 +20,7 @@ interface ConeTypeParameterSymbol : ConeClassifierSymbol, ConeTypeParameterLooku
     override fun toLookupTag(): ConeTypeParameterLookupTag = this
 }
 
-interface ConeClassLikeSymbol : ConeClassifierSymbol {
+interface ConeClassLikeSymbol : ConeClassifierSymbol, TypeConstructorMarker {
     val classId: ClassId
 
     override fun toLookupTag(): ConeClassLikeLookupTag

compiler/fir/cones/src/org/jetbrains/kotlin/fir/types/ConeTypes.kt

@@ -6,8 +6,9 @@
 package org.jetbrains.kotlin.fir.types
 
 import org.jetbrains.kotlin.fir.symbols.*
+import org.jetbrains.kotlin.types.model.*
 
-sealed class ConeKotlinTypeProjection {
+sealed class ConeKotlinTypeProjection : TypeArgumentMarker {
     abstract val kind: ProjectionKind
 
     companion object {
@@ -19,7 +20,7 @@ enum class ProjectionKind {
     STAR, IN, OUT, INVARIANT
 }
 
-object StarProjection : ConeKotlinTypeProjection() {
+object ConeStarProjection : ConeKotlinTypeProjection() {
     override val kind: ProjectionKind
         get() = ProjectionKind.STAR
 }
@@ -52,7 +53,7 @@ enum class ConeNullability(val suffix: String) {
 
 // We assume type IS an invariant type projection to prevent additional wrapper here
 // (more exactly, invariant type projection contains type)
-sealed class ConeKotlinType : ConeKotlinTypeProjection(), ConeTypedProjection {
+sealed class ConeKotlinType : ConeKotlinTypeProjection(), ConeTypedProjection, KotlinTypeMarker, TypeArgumentListMarker {
     override val kind: ProjectionKind
         get() = ProjectionKind.INVARIANT
 
@@ -91,14 +92,16 @@ class ConeClassErrorType(val reason: String) : ConeClassLikeType() {
     }
 }
 
-sealed class ConeLookupTagBasedType : ConeKotlinType() {
+sealed class ConeLookupTagBasedType : ConeKotlinType(), SimpleTypeMarker {
     abstract val lookupTag: ConeClassifierLookupTag
 }
 
-abstract class ConeClassLikeType : ConeLookupTagBasedType() {
+sealed class ConeClassLikeType : ConeLookupTagBasedType() {
     abstract override val lookupTag: ConeClassLikeLookupTag
 }
 
+abstract class ConeClassType : ConeClassLikeType()
+
 abstract class ConeAbbreviatedType : ConeClassLikeType() {
     abstract val abbreviationLookupTag: ConeClassLikeLookupTag
 
@@ -118,7 +121,7 @@ abstract class ConeFunctionType : ConeClassLikeType() {
     abstract val returnType: ConeKotlinType
 }
 
-class ConeFlexibleType(val lowerBound: ConeKotlinType, val upperBound: ConeKotlinType) : ConeKotlinType() {
+class ConeFlexibleType(val lowerBound: ConeLookupTagBasedType, val upperBound: ConeLookupTagBasedType) : ConeKotlinType(), FlexibleTypeMarker {
     override val typeArguments: Array<out ConeKotlinTypeProjection>
         get() = emptyArray()
 

compiler/fir/cones/src/org/jetbrains/kotlin/fir/types/impl/Impl.kt

@@ -11,15 +11,15 @@ import org.jetbrains.kotlin.fir.types.*
 
 open class ConeClassTypeImpl(
     override val lookupTag: ConeClassLikeLookupTag,
-    override val typeArguments: Array<ConeKotlinTypeProjection>,
+    override val typeArguments: Array<out ConeKotlinTypeProjection>,
     isNullable: Boolean
-) : ConeClassLikeType() {
+) : ConeClassType() {
     override val nullability: ConeNullability = ConeNullability.create(isNullable)
 }
 
 class ConeAbbreviatedTypeImpl(
     override val abbreviationLookupTag: ConeClassLikeLookupTag,
-    override val typeArguments: Array<ConeKotlinTypeProjection>,
+    override val typeArguments: Array<out ConeKotlinTypeProjection>,
     override val directExpansion: ConeClassLikeType,
     isNullable: Boolean
 ) : ConeAbbreviatedType() {