[FIR] Add FirClassLikeDeclarationChecker alias

Such checkers may be useful for checkers which are interested in all
  inheritors of FirClassLikeDeclaration

compiler/fir/checkers/checkers-component-generator/src/org/jetbrains/kotlin/fir/checkers/generator/Main.kt

@@ -64,6 +64,7 @@ fun main(args: Array<String>) {
         alias<FirFunction>("FunctionChecker")
         alias<FirSimpleFunction>("SimpleFunctionChecker")
         alias<FirProperty>("PropertyChecker")
+        alias<FirClassLikeDeclaration>("ClassLikeChecker")
         alias<FirClass>("ClassChecker")
         alias<FirRegularClass>("RegularClassChecker")
         alias<FirConstructor>("ConstructorChecker")

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/declaration/ComposedDeclarationCheckers.kt

@@ -23,6 +23,8 @@ class ComposedDeclarationCheckers : DeclarationCheckers() {
         get() = _simpleFunctionCheckers
     override val propertyCheckers: Set<FirPropertyChecker>
         get() = _propertyCheckers
+    override val classLikeCheckers: Set<FirClassLikeChecker>
+        get() = _classLikeCheckers
     override val classCheckers: Set<FirClassChecker>
         get() = _classCheckers
     override val regularClassCheckers: Set<FirRegularClassChecker>
@@ -58,6 +60,7 @@ class ComposedDeclarationCheckers : DeclarationCheckers() {
     private val _functionCheckers: MutableSet<FirFunctionChecker> = mutableSetOf()
     private val _simpleFunctionCheckers: MutableSet<FirSimpleFunctionChecker> = mutableSetOf()
     private val _propertyCheckers: MutableSet<FirPropertyChecker> = mutableSetOf()
+    private val _classLikeCheckers: MutableSet<FirClassLikeChecker> = mutableSetOf()
     private val _classCheckers: MutableSet<FirClassChecker> = mutableSetOf()
     private val _regularClassCheckers: MutableSet<FirRegularClassChecker> = mutableSetOf()
     private val _constructorCheckers: MutableSet<FirConstructorChecker> = mutableSetOf()
@@ -80,6 +83,7 @@ class ComposedDeclarationCheckers : DeclarationCheckers() {
         _functionCheckers += checkers.functionCheckers
         _simpleFunctionCheckers += checkers.simpleFunctionCheckers
         _propertyCheckers += checkers.propertyCheckers
+        _classLikeCheckers += checkers.classLikeCheckers
         _classCheckers += checkers.classCheckers
         _regularClassCheckers += checkers.regularClassCheckers
         _constructorCheckers += checkers.constructorCheckers

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/declaration/DeclarationCheckers.kt

@@ -23,6 +23,7 @@ abstract class DeclarationCheckers {
     open val functionCheckers: Set<FirFunctionChecker> = emptySet()
     open val simpleFunctionCheckers: Set<FirSimpleFunctionChecker> = emptySet()
     open val propertyCheckers: Set<FirPropertyChecker> = emptySet()
+    open val classLikeCheckers: Set<FirClassLikeChecker> = emptySet()
     open val classCheckers: Set<FirClassChecker> = emptySet()
     open val regularClassCheckers: Set<FirRegularClassChecker> = emptySet()
     open val constructorCheckers: Set<FirConstructorChecker> = emptySet()
@@ -44,17 +45,18 @@ abstract class DeclarationCheckers {
     @CheckersComponentInternal internal val allFunctionCheckers: Set<FirFunctionChecker> by lazy { functionCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allSimpleFunctionCheckers: Set<FirSimpleFunctionChecker> by lazy { simpleFunctionCheckers + functionCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allPropertyCheckers: Set<FirPropertyChecker> by lazy { propertyCheckers + basicDeclarationCheckers }
-    @CheckersComponentInternal internal val allClassCheckers: Set<FirClassChecker> by lazy { classCheckers + basicDeclarationCheckers }
-    @CheckersComponentInternal internal val allRegularClassCheckers: Set<FirRegularClassChecker> by lazy { regularClassCheckers + classCheckers + basicDeclarationCheckers }
+    @CheckersComponentInternal internal val allClassLikeCheckers: Set<FirClassLikeChecker> by lazy { classLikeCheckers + basicDeclarationCheckers }
+    @CheckersComponentInternal internal val allClassCheckers: Set<FirClassChecker> by lazy { classCheckers + classLikeCheckers + basicDeclarationCheckers }
+    @CheckersComponentInternal internal val allRegularClassCheckers: Set<FirRegularClassChecker> by lazy { regularClassCheckers + classCheckers + classLikeCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allConstructorCheckers: Set<FirConstructorChecker> by lazy { constructorCheckers + functionCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allFileCheckers: Set<FirFileChecker> by lazy { fileCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allTypeParameterCheckers: Set<FirTypeParameterChecker> by lazy { typeParameterCheckers + basicDeclarationCheckers }
-    @CheckersComponentInternal internal val allTypeAliasCheckers: Set<FirTypeAliasChecker> by lazy { typeAliasCheckers + basicDeclarationCheckers }
+    @CheckersComponentInternal internal val allTypeAliasCheckers: Set<FirTypeAliasChecker> by lazy { typeAliasCheckers + classLikeCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allAnonymousFunctionCheckers: Set<FirAnonymousFunctionChecker> by lazy { anonymousFunctionCheckers + functionCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allPropertyAccessorCheckers: Set<FirPropertyAccessorChecker> by lazy { propertyAccessorCheckers + functionCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allBackingFieldCheckers: Set<FirBackingFieldChecker> by lazy { backingFieldCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allValueParameterCheckers: Set<FirValueParameterChecker> by lazy { valueParameterCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allEnumEntryCheckers: Set<FirEnumEntryChecker> by lazy { enumEntryCheckers + basicDeclarationCheckers }
-    @CheckersComponentInternal internal val allAnonymousObjectCheckers: Set<FirAnonymousObjectChecker> by lazy { anonymousObjectCheckers + classCheckers + basicDeclarationCheckers }
+    @CheckersComponentInternal internal val allAnonymousObjectCheckers: Set<FirAnonymousObjectChecker> by lazy { anonymousObjectCheckers + classCheckers + classLikeCheckers + basicDeclarationCheckers }
     @CheckersComponentInternal internal val allAnonymousInitializerCheckers: Set<FirAnonymousInitializerChecker> by lazy { anonymousInitializerCheckers + basicDeclarationCheckers }
 }

compiler/fir/checkers/gen/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirDeclarationCheckerAliases.kt

@@ -15,6 +15,7 @@ import org.jetbrains.kotlin.fir.declarations.FirAnonymousInitializer
 import org.jetbrains.kotlin.fir.declarations.FirAnonymousObject
 import org.jetbrains.kotlin.fir.declarations.FirBackingField
 import org.jetbrains.kotlin.fir.declarations.FirClass
+import org.jetbrains.kotlin.fir.declarations.FirClassLikeDeclaration
 import org.jetbrains.kotlin.fir.declarations.FirConstructor
 import org.jetbrains.kotlin.fir.declarations.FirDeclaration
 import org.jetbrains.kotlin.fir.declarations.FirEnumEntry
@@ -32,6 +33,7 @@ typealias FirBasicDeclarationChecker = FirDeclarationChecker<FirDeclaration>
 typealias FirFunctionChecker = FirDeclarationChecker<FirFunction>
 typealias FirSimpleFunctionChecker = FirDeclarationChecker<FirSimpleFunction>
 typealias FirPropertyChecker = FirDeclarationChecker<FirProperty>
+typealias FirClassLikeChecker = FirDeclarationChecker<FirClassLikeDeclaration>
 typealias FirClassChecker = FirDeclarationChecker<FirClass>
 typealias FirRegularClassChecker = FirDeclarationChecker<FirRegularClass>
 typealias FirConstructorChecker = FirDeclarationChecker<FirConstructor>