[LL FIR] extract LLFirResolveTargetWithDedicatedElement

It is required to simplify the logic in the next commit.
Also, it drops redundant inheritance from [firFile] and [path] properties

^KT-60728

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllCallablesResolveTarget.kt

@@ -14,10 +14,10 @@ import org.jetbrains.kotlin.fir.declarations.FirRegularClass
  * [LLFirResolveTarget] representing a class with all callable members (functions and properties).
  */
 class LLFirClassWithAllCallablesResolveTarget(
-    override val firFile: FirFile,
-    override val path: List<FirRegularClass>,
-    val target: FirRegularClass,
-) : LLFirResolveTarget() {
+    firFile: FirFile,
+    classPath: List<FirRegularClass>,
+    target: FirRegularClass,
+) : LLFirResolveTargetWithDedicatedElement<FirRegularClass>(firFile, classPath, target) {
     override fun forEachTarget(action: (FirElementWithResolveState) -> Unit) {
         action(target)
         forEachCallable(action)

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithAllMembersResolveTarget.kt

@@ -14,10 +14,10 @@ import org.jetbrains.kotlin.fir.declarations.FirRegularClass
  * [LLFirResolveTarget] representing a class with all class members to be resolved (this includes callables, init blocks, and classifiers)
  */
 class LLFirClassWithAllMembersResolveTarget(
-    override val firFile: FirFile,
-    override val path: List<FirRegularClass>,
-    val target: FirRegularClass,
-) : LLFirResolveTarget() {
+    firFile: FirFile,
+    classPath: List<FirRegularClass>,
+    target: FirRegularClass,
+) : LLFirResolveTargetWithDedicatedElement<FirRegularClass>(firFile, classPath, target) {
     override fun forEachTarget(action: (FirElementWithResolveState) -> Unit) {
         action(target)
         forEachMember(action)

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirClassWithSpecificMembersResolveTarget.kt

@@ -11,11 +11,11 @@ import org.jetbrains.kotlin.fir.declarations.FirFile
 import org.jetbrains.kotlin.fir.declarations.FirRegularClass
 
 class LLFirClassWithSpecificMembersResolveTarget(
-    override val firFile: FirFile,
-    override val path: List<FirRegularClass>,
-    val target: FirRegularClass,
-    val members: List<FirDeclaration>
-) : LLFirResolveTarget() {
+    firFile: FirFile,
+    classPath: List<FirRegularClass>,
+    target: FirRegularClass,
+    val members: List<FirDeclaration>,
+) : LLFirResolveTargetWithDedicatedElement<FirRegularClass>(firFile, classPath, target) {
     override fun forEachTarget(action: (FirElementWithResolveState) -> Unit) {
         action(target)
         forEachMember(action)

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTarget.kt

@@ -20,19 +20,19 @@ import org.jetbrains.kotlin.utils.exceptions.errorWithAttachment
  * Specifies the path to the resolve targets and resolve targets themselves.
  * Those targets are going to be resolved by [org.jetbrains.kotlin.analysis.low.level.api.fir.lazy.resolve.LLFirModuleLazyDeclarationResolver]
  */
-sealed class LLFirResolveTarget {
+sealed class LLFirResolveTarget(
     /**
      * [FirFile] where the targets are located
      */
-    abstract val firFile: FirFile
+    val firFile: FirFile,
 
     /**
      * The list of [FirRegularClass] which are the required to go from file to target declarations in the top-down order.
      *
      * If resolve target is [FirRegularClass] itself, it's not included into the [path]
      */
-    abstract val path: List<FirRegularClass>
-
+    val path: List<FirDeclaration>,
+) {
     /**
      * Executions the [action] for each target that this [LLFirResolveTarget] represents.
      */

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirResolveTargetWithDedicatedElement.kt

@@ -0,0 +1,23 @@
+/*
+ * Copyright 2010-2023 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
+ */
+
+package org.jetbrains.kotlin.analysis.low.level.api.fir.api.targets
+
+import org.jetbrains.kotlin.fir.FirElementWithResolveState
+import org.jetbrains.kotlin.fir.declarations.FirFile
+import org.jetbrains.kotlin.fir.declarations.FirRegularClass
+
+/**
+ * [LLFirResolveTarget] representing a target with a dedicated main element.
+ * Such resolved is supposed to resolve [target] element and/or its declaration subgraph.
+ */
+sealed class LLFirResolveTargetWithDedicatedElement<T : FirElementWithResolveState>(
+    firFile: FirFile,
+    classPath: List<FirRegularClass>,
+    val target: T,
+) : LLFirResolveTarget(
+    firFile = firFile,
+    path = classPath,
+)

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirSingleResolveTarget.kt

@@ -13,11 +13,10 @@ import org.jetbrains.kotlin.fir.declarations.*
  * [LLFirResolveTarget] representing single target to resolve. The [target] can be any of [FirElementWithResolveState]
  */
 class LLFirSingleResolveTarget(
-    override val firFile: FirFile,
-    override val path: List<FirRegularClass>,
-    val target: FirElementWithResolveState,
-) : LLFirResolveTarget() {
-
+    firFile: FirFile,
+    classPath: List<FirRegularClass>,
+    target: FirElementWithResolveState,
+) : LLFirResolveTargetWithDedicatedElement<FirElementWithResolveState>(firFile, classPath, target) {
     override fun forEachTarget(action: (FirElementWithResolveState) -> Unit) {
         action(target)
     }

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirWholeClassResolveTarget.kt

@@ -14,10 +14,10 @@ import org.jetbrains.kotlin.fir.declarations.FirRegularClass
  * All of them are going to be resolved.
  */
 class LLFirWholeClassResolveTarget(
-    override val firFile: FirFile,
-    override val path: List<FirRegularClass>,
-    val target: FirRegularClass,
-) : LLFirResolveTarget() {
+    firFile: FirFile,
+    classPath: List<FirRegularClass>,
+    target: FirRegularClass,
+) : LLFirResolveTargetWithDedicatedElement<FirRegularClass>(firFile, classPath, target) {
     override fun forEachTarget(action: (FirElementWithResolveState) -> Unit) {
         action(target)
 

analysis/low-level-api-fir/src/org/jetbrains/kotlin/analysis/low/level/api/fir/api/targets/LLFirWholeFileResolveTarget.kt

@@ -14,11 +14,7 @@ import org.jetbrains.kotlin.fir.declarations.FirScript
 /**
  * [LLFirResolveTarget] representing all declarations in file. All of them are going to be resolved.
  */
-class LLFirWholeFileResolveTarget(
-    override val firFile: FirFile,
-) : LLFirResolveTarget() {
-    override val path: List<FirRegularClass> get() = emptyList()
-
+class LLFirWholeFileResolveTarget(firFile: FirFile) : LLFirResolveTarget(firFile, emptyList()) {
     override fun forEachTarget(action: (FirElementWithResolveState) -> Unit) {
         fun goInside(target: FirElementWithResolveState) {
             action(target)