[FIR] Add specific symbols for value parameters and enum entries

Make FirVariableSymbol a sealed class

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/deserialization/ClassDeserialization.kt

@@ -24,10 +24,7 @@ import org.jetbrains.kotlin.fir.resolve.providers.impl.FirCloneableSymbolProvide
 import org.jetbrains.kotlin.fir.resolve.providers.impl.FirCloneableSymbolProvider.Companion.CLONEABLE_CLASS_ID
 import org.jetbrains.kotlin.fir.scopes.FirScopeProvider
 import org.jetbrains.kotlin.fir.symbols.ConeTypeParameterLookupTag
-import org.jetbrains.kotlin.fir.symbols.impl.ConeClassLikeLookupTagImpl
-import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.fir.types.ConeAttributes
 import org.jetbrains.kotlin.fir.types.ConeClassLikeType
 import org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef
@@ -166,7 +163,7 @@ fun deserializeClassToSymbol(
                     this.origin = FirDeclarationOrigin.Library
                     returnTypeRef = buildResolvedTypeRef { type = enumType }
                     name = enumEntryName
-                    this.symbol = FirVariableSymbol(CallableId(classId, enumEntryName))
+                    this.symbol = FirEnumEntrySymbol(CallableId(classId, enumEntryName))
                     this.status = FirResolvedDeclarationStatusImpl(
                         Visibilities.Public,
                         Modality.FINAL,

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/deserialization/FirMemberDeserializer.kt

@@ -11,7 +11,9 @@ import org.jetbrains.kotlin.fir.FirSession
 import org.jetbrains.kotlin.fir.containingClassAttr
 import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.declarations.builder.*
-import org.jetbrains.kotlin.fir.declarations.impl.*
+import org.jetbrains.kotlin.fir.declarations.impl.FirDefaultPropertyGetter
+import org.jetbrains.kotlin.fir.declarations.impl.FirDefaultPropertySetter
+import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusImpl
 import org.jetbrains.kotlin.fir.declarations.utils.sourceElement
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
@@ -19,8 +21,9 @@ import org.jetbrains.kotlin.fir.expressions.builder.buildExpressionStub
 import org.jetbrains.kotlin.fir.resolve.defaultType
 import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.fir.toEffectiveVisibility
-import org.jetbrains.kotlin.fir.types.*
+import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef
+import org.jetbrains.kotlin.fir.types.computeTypeAttributes
 import org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl
 import org.jetbrains.kotlin.fir.types.impl.ConeTypeParameterTypeImpl
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitUnitTypeRef
@@ -515,7 +518,7 @@ class FirMemberDeserializer(private val c: FirDeserializationContext) {
                 origin = FirDeclarationOrigin.Library
                 returnTypeRef = proto.type(c.typeTable).toTypeRef(c)
                 this.name = name
-                symbol = FirVariableSymbol(name)
+                symbol = FirValueParameterSymbol(name)
                 resolvePhase = FirResolvePhase.ANALYZED_DEPENDENCIES
                 defaultValue = defaultValue(flags)
                 if (addDefaultValue) {

compiler/fir/fir-deserialization/src/org/jetbrains/kotlin/fir/resolve/providers/impl/FirBuiltinSymbolProvider.kt

@@ -8,9 +8,14 @@ package org.jetbrains.kotlin.fir.resolve.providers.impl
 import org.jetbrains.kotlin.builtins.StandardNames
 import org.jetbrains.kotlin.builtins.functions.FunctionClassKind
 import org.jetbrains.kotlin.descriptors.*
-import org.jetbrains.kotlin.fir.*
-import org.jetbrains.kotlin.fir.caches.*
-import org.jetbrains.kotlin.fir.declarations.*
+import org.jetbrains.kotlin.fir.FirModuleData
+import org.jetbrains.kotlin.fir.FirSession
+import org.jetbrains.kotlin.fir.ThreadSafeMutableState
+import org.jetbrains.kotlin.fir.caches.createCache
+import org.jetbrains.kotlin.fir.caches.firCachesFactory
+import org.jetbrains.kotlin.fir.caches.getValue
+import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
+import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
 import org.jetbrains.kotlin.fir.declarations.builder.buildRegularClass
 import org.jetbrains.kotlin.fir.declarations.builder.buildSimpleFunction
 import org.jetbrains.kotlin.fir.declarations.builder.buildTypeParameter
@@ -326,7 +331,7 @@ private class SyntheticFunctionalInterfaceCache(private val moduleData: FirModul
                                     resolvePhase = FirResolvePhase.ANALYZED_DEPENDENCIES
                                     returnTypeRef = typeArgument
                                     this.name = parameterName
-                                    symbol = FirVariableSymbol(parameterName)
+                                    symbol = FirValueParameterSymbol(parameterName)
                                     defaultValue = null
                                     isCrossinline = false
                                     isNoinline = false

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/DataClassMembersGenerator.kt

@@ -12,7 +12,10 @@ import org.jetbrains.kotlin.fir.backend.Fir2IrComponents
 import org.jetbrains.kotlin.fir.backend.FirMetadataSource
 import org.jetbrains.kotlin.fir.backend.declareThisReceiverParameter
 import org.jetbrains.kotlin.fir.backend.toIrType
-import org.jetbrains.kotlin.fir.declarations.*
+import org.jetbrains.kotlin.fir.declarations.FirClass
+import org.jetbrains.kotlin.fir.declarations.FirDeclaration
+import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
+import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
 import org.jetbrains.kotlin.fir.declarations.builder.buildSimpleFunction
 import org.jetbrains.kotlin.fir.declarations.builder.buildValueParameter
 import org.jetbrains.kotlin.fir.declarations.impl.FirDeclarationStatusImpl
@@ -21,7 +24,7 @@ import org.jetbrains.kotlin.fir.moduleData
 import org.jetbrains.kotlin.fir.scopes.unsubstitutedScope
 import org.jetbrains.kotlin.fir.symbols.ConeClassLikeLookupTag
 import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeStarProjection
 import org.jetbrains.kotlin.fir.types.constructType
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitBooleanTypeRef
@@ -279,7 +282,7 @@ class DataClassMembersGenerator(val components: Fir2IrComponents) {
                             origin = FirDeclarationOrigin.Synthetic
                             moduleData = components.session.moduleData
                             this.returnTypeRef = FirImplicitNullableAnyTypeRef(null)
-                            this.symbol = FirVariableSymbol(this.name)
+                            this.symbol = FirValueParameterSymbol(this.name)
                             isCrossinline = false
                             isNoinline = false
                             isVararg = false

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/JavaSymbolProvider.kt

@@ -382,7 +382,7 @@ class JavaSymbolProvider(
             javaField.isEnumEntry -> buildEnumEntry {
                 source = (javaField as? JavaElementImpl<*>)?.psi?.toFirPsiSourceElement()
                 moduleData = this@JavaSymbolProvider.baseModuleData
-                symbol = FirVariableSymbol(fieldId)
+                symbol = FirEnumEntrySymbol(fieldId)
                 name = fieldName
                 status = FirResolvedDeclarationStatusImpl(
                     javaField.visibility,

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/declarations/FirJavaValueParameter.kt

@@ -14,7 +14,7 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusIm
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.visitors.FirTransformer
@@ -34,7 +34,7 @@ class FirJavaValueParameter @FirImplementationDetail constructor(
     override val attributes: FirDeclarationAttributes,
     override var returnTypeRef: FirTypeRef,
     override val name: Name,
-    override val symbol: FirVariableSymbol<FirValueParameter>,
+    override val symbol: FirValueParameterSymbol,
     annotationBuilder: () -> List<FirAnnotationCall>,
     override var defaultValue: FirExpression?,
     override val isVararg: Boolean,
@@ -182,7 +182,7 @@ class FirJavaValueParameterBuilder {
             attributes,
             returnTypeRef,
             name,
-            symbol = FirVariableSymbol(name),
+            symbol = FirValueParameterSymbol(name),
             annotationBuilder,
             defaultValue,
             isVararg,

compiler/fir/java/src/org/jetbrains/kotlin/fir/java/enhancement/SignatureEnhancement.kt

@@ -26,7 +26,8 @@ import org.jetbrains.kotlin.fir.java.declarations.*
 import org.jetbrains.kotlin.fir.java.toConeKotlinTypeProbablyFlexible
 import org.jetbrains.kotlin.fir.scopes.jvm.computeJvmDescriptor
 import org.jetbrains.kotlin.fir.symbols.impl.*
-import org.jetbrains.kotlin.fir.types.*
+import org.jetbrains.kotlin.fir.types.FirResolvedTypeRef
+import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.types.jvm.FirJavaTypeRef
 import org.jetbrains.kotlin.load.java.AnnotationQualifierApplicabilityType
 import org.jetbrains.kotlin.load.java.typeEnhancement.*
@@ -222,7 +223,7 @@ class FirSignatureEnhancement(
                 origin = FirDeclarationOrigin.Enhancement
                 returnTypeRef = enhancedReturnType
                 this.name = valueParameter.name
-                symbol = FirVariableSymbol(this.name)
+                symbol = FirValueParameterSymbol(this.name)
                 defaultValue = valueParameter.defaultValue
                 isCrossinline = valueParameter.isCrossinline
                 isNoinline = valueParameter.isNoinline

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/DeclarationsConverter.kt

@@ -651,7 +651,7 @@ class DeclarationsConverter(
             origin = FirDeclarationOrigin.Source
             returnTypeRef = classWrapper.delegatedSelfTypeRef
             name = enumEntryName
-            symbol = FirVariableSymbol(CallableId(context.currentClassId, enumEntryName))
+            symbol = FirEnumEntrySymbol(CallableId(context.currentClassId, enumEntryName))
             status = FirDeclarationStatusImpl(Visibilities.Public, Modality.FINAL).apply {
                 isStatic = true
                 isExpect = classWrapper.hasExpect()
@@ -1204,7 +1204,7 @@ class DeclarationsConverter(
             moduleData = baseModuleData
             origin = FirDeclarationOrigin.Source
             returnTypeRef = propertyTypeRef
-            symbol = FirVariableSymbol(NAME_FOR_DEFAULT_VALUE_PARAMETER)
+            symbol = FirValueParameterSymbol(NAME_FOR_DEFAULT_VALUE_PARAMETER)
         }
         var block: LighterASTNode? = null
         var expression: LighterASTNode? = null
@@ -1327,7 +1327,7 @@ class DeclarationsConverter(
             origin = FirDeclarationOrigin.Source
             returnTypeRef = if (firValueParameter.returnTypeRef == implicitType) propertyTypeRef else firValueParameter.returnTypeRef
             name = firValueParameter.name
-            symbol = FirVariableSymbol(firValueParameter.name)
+            symbol = FirValueParameterSymbol(firValueParameter.name)
             defaultValue = firValueParameter.defaultValue
             isCrossinline = modifiers.hasCrossinline() || firValueParameter.isCrossinline
             isNoinline = modifiers.hasNoinline() || firValueParameter.isNoinline
@@ -1967,7 +1967,7 @@ class DeclarationsConverter(
             origin = FirDeclarationOrigin.Source
             returnTypeRef = firType ?: implicitType
             this.name = name
-            symbol = FirVariableSymbol(name)
+            symbol = FirValueParameterSymbol(name)
             defaultValue = firExpression
             isCrossinline = modifiers.hasCrossinline()
             isNoinline = modifiers.hasNoinline()

compiler/fir/raw-fir/light-tree2fir/src/org/jetbrains/kotlin/fir/lightTree/converter/ExpressionsConverter.kt

@@ -36,7 +36,7 @@ import org.jetbrains.kotlin.fir.references.builder.buildExplicitThisReference
 import org.jetbrains.kotlin.fir.references.builder.buildSimpleNamedReference
 import org.jetbrains.kotlin.fir.symbols.impl.FirAnonymousFunctionSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirPropertySymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.FirTypeProjection
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.lexer.KtTokens.*
@@ -157,7 +157,7 @@ class ExpressionsConverter(
                         origin = FirDeclarationOrigin.Source
                         returnTypeRef = valueParameter.firValueParameter.returnTypeRef
                         this.name = name
-                        symbol = FirVariableSymbol(name)
+                        symbol = FirValueParameterSymbol(name)
                         defaultValue = null
                         isCrossinline = false
                         isNoinline = false

compiler/fir/raw-fir/psi2fir/src/org/jetbrains/kotlin/fir/builder/RawFirBuilder.kt

@@ -364,7 +364,7 @@ open class RawFirBuilder(
                                 moduleData = baseModuleData
                                 origin = FirDeclarationOrigin.Source
                                 returnTypeRef = propertyTypeRef
-                                symbol = FirVariableSymbol(NAME_FOR_DEFAULT_VALUE_PARAMETER)
+                                symbol = FirValueParameterSymbol(NAME_FOR_DEFAULT_VALUE_PARAMETER)
                             }
                         }
                         symbol = FirPropertyAccessorSymbol()
@@ -421,7 +421,7 @@ open class RawFirBuilder(
                     else -> null.toFirOrImplicitType()
                 }
                 this.name = name
-                symbol = FirVariableSymbol(name)
+                symbol = FirValueParameterSymbol(name)
                 defaultValue = if (hasDefaultValue()) {
                     { this@toFirValueParameter.defaultValue }.toFirExpression("Should have default value")
                 } else null
@@ -751,7 +751,7 @@ open class RawFirBuilder(
                     isStatic = true
                     isExpect = containingClassOrObject?.hasExpectModifier() == true
                 }
-                symbol = FirVariableSymbol(callableIdForName(nameAsSafeName))
+                symbol = FirEnumEntrySymbol(callableIdForName(nameAsSafeName))
                 if (ownerClassHasDefaultConstructor && ktEnumEntry.initializerList == null &&
                     ktEnumEntry.annotationEntries.isEmpty() && ktEnumEntry.body == null
                 ) {
@@ -1146,7 +1146,7 @@ open class RawFirBuilder(
                                 source = multiDeclaration.toFirSourceElement(FirFakeSourceElementKind.ImplicitTypeRef)
                             }
                             this.name = name
-                            symbol = FirVariableSymbol(name)
+                            symbol = FirValueParameterSymbol(name)
                             isCrossinline = false
                             isNoinline = false
                             isVararg = false

compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/BaseFirBuilder.kt

@@ -1146,7 +1146,7 @@ abstract class BaseFirBuilder<T>(val baseSession: FirSession, val context: Conte
                             origin = FirDeclarationOrigin.Source
                             returnTypeRef = propertyReturnTypeRef
                             name = propertyName
-                            symbol = FirVariableSymbol(propertyName)
+                            symbol = FirValueParameterSymbol(propertyName)
                             defaultValue = generateComponentAccess(parameterSource, firProperty, classTypeRef, propertyReturnTypeRef)
                             isCrossinline = false
                             isNoinline = false

compiler/fir/raw-fir/raw-fir.common/src/org/jetbrains/kotlin/fir/builder/ConversionUtils.kt

@@ -12,7 +12,6 @@ import org.jetbrains.kotlin.fir.*
 import org.jetbrains.kotlin.fir.contracts.FirContractDescription
 import org.jetbrains.kotlin.fir.contracts.builder.buildLegacyRawContractDescription
 import org.jetbrains.kotlin.fir.declarations.FirDeclarationOrigin
-import org.jetbrains.kotlin.fir.declarations.FirProperty
 import org.jetbrains.kotlin.fir.declarations.FirVariable
 import org.jetbrains.kotlin.fir.declarations.builder.*
 import org.jetbrains.kotlin.fir.declarations.impl.FirDeclarationStatusImpl
@@ -29,8 +28,10 @@ import org.jetbrains.kotlin.fir.references.builder.buildResolvedNamedReference
 import org.jetbrains.kotlin.fir.references.builder.buildSimpleNamedReference
 import org.jetbrains.kotlin.fir.symbols.constructStarProjectedType
 import org.jetbrains.kotlin.fir.symbols.impl.*
-import org.jetbrains.kotlin.fir.types.*
-import org.jetbrains.kotlin.fir.types.builder.*
+import org.jetbrains.kotlin.fir.types.ConeStarProjection
+import org.jetbrains.kotlin.fir.types.FirTypeRef
+import org.jetbrains.kotlin.fir.types.builder.buildImplicitTypeRef
+import org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef
 import org.jetbrains.kotlin.fir.types.impl.*
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.name.Name
@@ -451,7 +452,7 @@ fun FirPropertyBuilder.generateAccessorsByDelegate(
                 origin = FirDeclarationOrigin.Source
                 returnTypeRef = buildImplicitTypeRef()
                 name = DELEGATED_SETTER_PARAM
-                symbol = FirVariableSymbol(this@generateAccessorsByDelegate.name)
+                symbol = FirValueParameterSymbol(this@generateAccessorsByDelegate.name)
                 isCrossinline = false
                 isNoinline = false
                 isVararg = false

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/SamResolution.kt

@@ -25,7 +25,7 @@ import org.jetbrains.kotlin.fir.scopes.unsubstitutedScope
 import org.jetbrains.kotlin.fir.symbols.impl.FirPropertySymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirRegularClassSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.typeContext
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef
@@ -208,7 +208,7 @@ class FirSamResolverImpl(
                     type = substitutedFunctionType
                 }
                 name = SAM_PARAMETER_NAME
-                this.symbol = FirVariableSymbol(SAM_PARAMETER_NAME)
+                this.symbol = FirValueParameterSymbol(SAM_PARAMETER_NAME)
                 isCrossinline = false
                 isNoinline = false
                 isVararg = false

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/inference/FirCallCompleter.kt

@@ -27,7 +27,7 @@ import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirAbstractBod
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.FirBodyResolveTransformer
 import org.jetbrains.kotlin.fir.resolve.transformers.body.resolve.resultType
 import org.jetbrains.kotlin.fir.resolve.typeFromCallee
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl
 import org.jetbrains.kotlin.fir.visitors.transformSingle
@@ -235,7 +235,7 @@ class FirCallCompleter(
                         origin = FirDeclarationOrigin.Source
                         returnTypeRef = itType.approximateLambdaInputType().toFirResolvedTypeRef()
                         this.name = name
-                        symbol = FirVariableSymbol(name)
+                        symbol = FirValueParameterSymbol(name)
                         defaultValue = null
                         isCrossinline = false
                         isNoinline = false

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/FirSyntheticCallGenerator.kt

@@ -28,7 +28,7 @@ import org.jetbrains.kotlin.fir.resolvedTypeFromPrototype
 import org.jetbrains.kotlin.fir.symbols.SyntheticCallableId
 import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirTypeParameterSymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.typeContext
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef
@@ -356,7 +356,7 @@ class FirSyntheticCallGenerator(
             isCrossinline = false
             isNoinline = false
             this.isVararg = isVararg
-            symbol = FirVariableSymbol(name)
+            symbol = FirValueParameterSymbol(name)
             resolvePhase = FirResolvePhase.BODY_RESOLVE
         }
     }

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/resolve/transformers/body/resolve/FirDeclarationsResolveTransformer.kt

@@ -35,7 +35,7 @@ import org.jetbrains.kotlin.fir.resolve.transformers.*
 import org.jetbrains.kotlin.fir.resolve.withExpectedType
 import org.jetbrains.kotlin.fir.scopes.impl.FirMemberTypeParameterScope
 import org.jetbrains.kotlin.fir.symbols.constructStarProjectedType
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.*
 import org.jetbrains.kotlin.fir.types.builder.buildErrorTypeRef
 import org.jetbrains.kotlin.fir.types.builder.buildImplicitTypeRef
@@ -676,7 +676,7 @@ open class FirDeclarationsResolveTransformer(transformer: FirBodyResolveTransfor
                                     origin = FirDeclarationOrigin.Source
                                     returnTypeRef = singleParameterType.toFirResolvedTypeRef()
                                     this.name = name
-                                    symbol = FirVariableSymbol(name)
+                                    symbol = FirValueParameterSymbol(name)
                                     isCrossinline = false
                                     isNoinline = false
                                     isVararg = false

compiler/fir/resolve/src/org/jetbrains/kotlin/fir/scopes/impl/FirFakeOverrideGenerator.kt

@@ -245,7 +245,7 @@ object FirFakeOverrideGenerator {
             buildValueParameterCopy(valueParameter) {
                 origin = FirDeclarationOrigin.SubstitutionOverride
                 returnTypeRef = valueParameter.returnTypeRef.withReplacedConeType(newType)
-                symbol = FirVariableSymbol(valueParameter.symbol.callableId)
+                symbol = FirValueParameterSymbol(valueParameter.name)
             }
         }
     }

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

@@ -10,7 +10,7 @@ import org.jetbrains.kotlin.fir.FirModuleData
 import org.jetbrains.kotlin.fir.FirSourceElement
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirEnumEntrySymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.name.Name
@@ -35,7 +35,6 @@ abstract class FirEnumEntry : FirVariable<FirEnumEntry>() {
     abstract override val containerSource: DeserializedContainerSource?
     abstract override val dispatchReceiverType: ConeKotlinType?
     abstract override val name: Name
-    abstract override val symbol: FirVariableSymbol<FirEnumEntry>
     abstract override val initializer: FirExpression?
     abstract override val delegate: FirExpression?
     abstract override val isVar: Boolean
@@ -43,6 +42,7 @@ abstract class FirEnumEntry : FirVariable<FirEnumEntry>() {
     abstract override val getter: FirPropertyAccessor?
     abstract override val setter: FirPropertyAccessor?
     abstract override val annotations: List<FirAnnotationCall>
+    abstract override val symbol: FirEnumEntrySymbol
 
     override fun <R, D> accept(visitor: FirVisitor<R, D>, data: D): R = visitor.visitEnumEntry(this, data)
 

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

@@ -11,7 +11,7 @@ import org.jetbrains.kotlin.fir.FirSourceElement
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.name.Name
@@ -36,7 +36,6 @@ abstract class FirValueParameter : FirVariable<FirValueParameter>(), FirControlF
     abstract override val containerSource: DeserializedContainerSource?
     abstract override val dispatchReceiverType: ConeKotlinType?
     abstract override val name: Name
-    abstract override val symbol: FirVariableSymbol<FirValueParameter>
     abstract override val initializer: FirExpression?
     abstract override val delegate: FirExpression?
     abstract override val isVar: Boolean
@@ -45,6 +44,7 @@ abstract class FirValueParameter : FirVariable<FirValueParameter>(), FirControlF
     abstract override val setter: FirPropertyAccessor?
     abstract override val annotations: List<FirAnnotationCall>
     abstract override val controlFlowGraphReference: FirControlFlowGraphReference?
+    abstract override val symbol: FirValueParameterSymbol
     abstract val defaultValue: FirExpression?
     abstract val isCrossinline: Boolean
     abstract val isNoinline: Boolean

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

@@ -22,7 +22,7 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusIm
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.visitors.*
@@ -45,7 +45,6 @@ class FirDefaultSetterValueParameterBuilder : FirAnnotationContainerBuilder {
     var receiverTypeRef: FirTypeRef? = null
     var containerSource: DeserializedContainerSource? = null
     var dispatchReceiverType: ConeKotlinType? = null
-    lateinit var symbol: FirVariableSymbol<FirValueParameter>
     var initializer: FirExpression? = null
     var delegate: FirExpression? = null
     var isVar: Boolean = false
@@ -53,6 +52,7 @@ class FirDefaultSetterValueParameterBuilder : FirAnnotationContainerBuilder {
     var getter: FirPropertyAccessor? = null
     var setter: FirPropertyAccessor? = null
     override val annotations: MutableList<FirAnnotationCall> = mutableListOf()
+    lateinit var symbol: FirValueParameterSymbol
     var defaultValue: FirExpression? = null
     var isCrossinline: Boolean = false
     var isNoinline: Boolean = false
@@ -69,7 +69,6 @@ class FirDefaultSetterValueParameterBuilder : FirAnnotationContainerBuilder {
             receiverTypeRef,
             containerSource,
             dispatchReceiverType,
-            symbol,
             initializer,
             delegate,
             isVar,
@@ -77,6 +76,7 @@ class FirDefaultSetterValueParameterBuilder : FirAnnotationContainerBuilder {
             getter,
             setter,
             annotations,
+            symbol,
             defaultValue,
             isCrossinline,
             isNoinline,

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

@@ -20,7 +20,7 @@ import org.jetbrains.kotlin.fir.declarations.FirTypeParameterRef
 import org.jetbrains.kotlin.fir.declarations.impl.FirEnumEntryImpl
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirEnumEntrySymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.visitors.*
@@ -45,9 +45,9 @@ class FirEnumEntryBuilder : FirAnnotationContainerBuilder {
     var containerSource: DeserializedContainerSource? = null
     var dispatchReceiverType: ConeKotlinType? = null
     lateinit var name: Name
-    lateinit var symbol: FirVariableSymbol<FirEnumEntry>
     var initializer: FirExpression? = null
     override val annotations: MutableList<FirAnnotationCall> = mutableListOf()
+    lateinit var symbol: FirEnumEntrySymbol
 
     override fun build(): FirEnumEntry {
         return FirEnumEntryImpl(
@@ -62,9 +62,9 @@ class FirEnumEntryBuilder : FirAnnotationContainerBuilder {
             containerSource,
             dispatchReceiverType,
             name,
-            symbol,
             initializer,
             annotations,
+            symbol,
         )
     }
 

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

@@ -22,7 +22,7 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirValueParameterImpl
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.visitors.*
@@ -45,8 +45,8 @@ open class FirValueParameterBuilder : FirAnnotationContainerBuilder {
     open var containerSource: DeserializedContainerSource? = null
     open var dispatchReceiverType: ConeKotlinType? = null
     open lateinit var name: Name
-    open lateinit var symbol: FirVariableSymbol<FirValueParameter>
     override val annotations: MutableList<FirAnnotationCall> = mutableListOf()
+    open lateinit var symbol: FirValueParameterSymbol
     open var defaultValue: FirExpression? = null
     open var isCrossinline: Boolean by kotlin.properties.Delegates.notNull<Boolean>()
     open var isNoinline: Boolean by kotlin.properties.Delegates.notNull<Boolean>()
@@ -63,8 +63,8 @@ open class FirValueParameterBuilder : FirAnnotationContainerBuilder {
             containerSource,
             dispatchReceiverType,
             name,
-            symbol,
             annotations,
+            symbol,
             defaultValue,
             isCrossinline,
             isNoinline,
@@ -97,8 +97,8 @@ inline fun buildValueParameterCopy(original: FirValueParameter, init: FirValuePa
     copyBuilder.containerSource = original.containerSource
     copyBuilder.dispatchReceiverType = original.dispatchReceiverType
     copyBuilder.name = original.name
-    copyBuilder.symbol = original.symbol
     copyBuilder.annotations.addAll(original.annotations)
+    copyBuilder.symbol = original.symbol
     copyBuilder.defaultValue = original.defaultValue
     copyBuilder.isCrossinline = original.isCrossinline
     copyBuilder.isNoinline = original.isNoinline

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

@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusIm
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.name.Name
@@ -40,7 +40,6 @@ internal class FirDefaultSetterValueParameter(
     override var receiverTypeRef: FirTypeRef?,
     override val containerSource: DeserializedContainerSource?,
     override val dispatchReceiverType: ConeKotlinType?,
-    override val symbol: FirVariableSymbol<FirValueParameter>,
     override var initializer: FirExpression?,
     override var delegate: FirExpression?,
     override val isVar: Boolean,
@@ -48,6 +47,7 @@ internal class FirDefaultSetterValueParameter(
     override var getter: FirPropertyAccessor?,
     override var setter: FirPropertyAccessor?,
     override val annotations: MutableList<FirAnnotationCall>,
+    override val symbol: FirValueParameterSymbol,
     override var defaultValue: FirExpression?,
     override val isCrossinline: Boolean,
     override val isNoinline: Boolean,

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

@@ -16,7 +16,7 @@ import org.jetbrains.kotlin.fir.declarations.FirResolvePhase
 import org.jetbrains.kotlin.fir.declarations.FirTypeParameterRef
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirEnumEntrySymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.name.Name
@@ -40,9 +40,9 @@ internal class FirEnumEntryImpl(
     override val containerSource: DeserializedContainerSource?,
     override val dispatchReceiverType: ConeKotlinType?,
     override val name: Name,
-    override val symbol: FirVariableSymbol<FirEnumEntry>,
     override var initializer: FirExpression?,
     override val annotations: MutableList<FirAnnotationCall>,
+    override val symbol: FirEnumEntrySymbol,
 ) : FirEnumEntry() {
     override val receiverTypeRef: FirTypeRef? get() = null
     override val delegate: FirExpression? get() = null

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

@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusIm
 import org.jetbrains.kotlin.fir.expressions.FirAnnotationCall
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.fir.references.FirControlFlowGraphReference
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.ConeKotlinType
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.name.Name
@@ -40,8 +40,8 @@ internal class FirValueParameterImpl(
     override val containerSource: DeserializedContainerSource?,
     override val dispatchReceiverType: ConeKotlinType?,
     override val name: Name,
-    override val symbol: FirVariableSymbol<FirValueParameter>,
     override val annotations: MutableList<FirAnnotationCall>,
+    override val symbol: FirValueParameterSymbol,
     override var defaultValue: FirExpression?,
     override val isCrossinline: Boolean,
     override val isNoinline: Boolean,

compiler/fir/tree/src/org/jetbrains/kotlin/fir/EnumClassUtils.kt

@@ -18,7 +18,7 @@ import org.jetbrains.kotlin.fir.declarations.impl.FirResolvedDeclarationStatusIm
 import org.jetbrains.kotlin.fir.expressions.builder.buildEmptyExpressionBlock
 import org.jetbrains.kotlin.fir.symbols.impl.ConeClassLikeLookupTagImpl
 import org.jetbrains.kotlin.fir.symbols.impl.FirNamedFunctionSymbol
-import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.types.builder.buildResolvedTypeRef
 import org.jetbrains.kotlin.fir.types.impl.ConeClassLikeTypeImpl
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitStringTypeRef
@@ -93,7 +93,7 @@ fun FirRegularClassBuilder.generateValueOfFunction(
             this.moduleData = moduleData
             returnTypeRef = FirImplicitStringTypeRef(source)
             name = VALUE
-            this@vp.symbol = FirVariableSymbol(VALUE)
+            this@vp.symbol = FirValueParameterSymbol(VALUE)
             isCrossinline = false
             isNoinline = false
             isVararg = false

compiler/fir/tree/src/org/jetbrains/kotlin/fir/declarations/impl/FirDefaultPropertyAccessor.kt

@@ -16,6 +16,7 @@ import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.declarations.builder.buildDefaultSetterValueParameter
 import org.jetbrains.kotlin.fir.expressions.FirBlock
 import org.jetbrains.kotlin.fir.symbols.impl.FirPropertyAccessorSymbol
+import org.jetbrains.kotlin.fir.symbols.impl.FirValueParameterSymbol
 import org.jetbrains.kotlin.fir.symbols.impl.FirVariableSymbol
 import org.jetbrains.kotlin.fir.types.FirTypeRef
 import org.jetbrains.kotlin.fir.types.impl.FirImplicitUnitTypeRef
@@ -120,7 +121,7 @@ class FirDefaultPropertySetter(
             this@builder.moduleData = moduleData
             this@builder.origin = origin
             this@builder.returnTypeRef = propertyTypeRef
-            this@builder.symbol = FirVariableSymbol(CallableId(FqName.ROOT, Name.special("<default-setter-parameter>")))
+            this@builder.symbol = FirValueParameterSymbol(Name.special("<default-setter-parameter>"))
         }
     ),
     isGetter = false,

compiler/fir/tree/src/org/jetbrains/kotlin/fir/symbols/impl/FirVariableSymbol.kt

@@ -5,19 +5,14 @@
 
 package org.jetbrains.kotlin.fir.symbols.impl
 
-import org.jetbrains.kotlin.fir.declarations.FirErrorProperty
-import org.jetbrains.kotlin.fir.declarations.FirField
-import org.jetbrains.kotlin.fir.declarations.FirProperty
-import org.jetbrains.kotlin.fir.declarations.FirVariable
+import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.diagnostics.ConeDiagnostic
 import org.jetbrains.kotlin.fir.expressions.FirExpression
 import org.jetbrains.kotlin.name.CallableId
 import org.jetbrains.kotlin.name.FqName
 import org.jetbrains.kotlin.name.Name
 
-open class FirVariableSymbol<E : FirVariable<E>>(override val callableId: CallableId) : FirCallableSymbol<E>() {
-    constructor(name: Name) : this(CallableId(name))  // TODO?
-}
+sealed class FirVariableSymbol<E : FirVariable<E>>(override val callableId: CallableId) : FirCallableSymbol<E>()
 
 open class FirPropertySymbol(
     callableId: CallableId,
@@ -40,6 +35,13 @@ class FirDelegateFieldSymbol(callableId: CallableId) : FirVariableSymbol<FirProp
 
 class FirFieldSymbol(callableId: CallableId) : FirVariableSymbol<FirField>(callableId)
 
+class FirEnumEntrySymbol(callableId: CallableId) : FirVariableSymbol<FirEnumEntry>(callableId)
+
+class FirValueParameterSymbol(name: Name) : FirVariableSymbol<FirValueParameter>(CallableId(name)) {
+    val name: Name
+        get() = callableId.callableName
+}
+
 class FirErrorPropertySymbol(
     val diagnostic: ConeDiagnostic
 ) : FirVariableSymbol<FirErrorProperty>(CallableId(FqName.ROOT, null, NAME)) {

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

@@ -46,11 +46,6 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +annotations
         }
 
-//        symbolOwner.configure {
-//            withArg("DE, symbolOwner, declaration)
-//            +symbolWithPackage("fir.symbols", "FirBasedSymbol", "DE)
-//        }
-
         typeParameterRef.configure {
             +symbol(typeParameterSymbolType.type)
         }
@@ -383,6 +378,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
 
         valueParameter.configure {
             parentArg(variable, "E", valueParameter)
+            +symbol("FirValueParameterSymbol")
             +field("defaultValue", expression, nullable = true)
             generateBooleanFields("crossinline", "noinline", "vararg")
         }
@@ -408,6 +404,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
 
         enumEntry.configure {
             parentArg(variable, "E", enumEntry)
+            +symbol("FirEnumEntrySymbol")
         }
 
         field.configure {
@@ -417,7 +414,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
         anonymousInitializer.configure {
             parentArg(declaration, "E", anonymousInitializer)
             +body(nullable = true)
-            +symbol(anonymousInitializerSymbolType.type)
+            +symbol("FirAnonymousInitializerSymbol")
         }
 
         file.configure {
@@ -426,7 +423,7 @@ object NodeConfigurator : AbstractFieldConfigurator<FirTreeBuilder>(FirTreeBuild
             +declarations.withTransform()
             +stringField("name")
             +field("packageFqName", fqNameType)
-            +symbol(fileSymbolType.type)
+            +symbol("FirFileSymbol")
         }
 
         import.configure {

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

@@ -71,8 +71,6 @@ val classLikeSymbolType = type("fir.symbols.impl", "FirClassLikeSymbol<*>")
 val typeParameterSymbolType = type("fir.symbols.impl", "FirTypeParameterSymbol")
 val emptyArgumentListType = type("fir.expressions", "FirEmptyArgumentList")
 val firScopeProviderType = type("fir.scopes", "FirScopeProvider")
-val anonymousInitializerSymbolType = type("fir.symbols.impl", "FirAnonymousInitializerSymbol")
-val fileSymbolType = type("fir.symbols.impl", "FirFileSymbol")
 
 val pureAbstractElementType = generatedType("FirPureAbstractElement")
 val coneEffectDeclarationType = type("fir.contracts.description", "ConeEffectDeclaration")