[FIR2IR] Extract logic of IR declarations generation into separate component. Part 17

Move creation of Fir2IrLazyConstructor into Fir2IrLazyDeclarationsGenerator

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/Fir2IrDeclarationStorage.kt

@@ -397,16 +397,7 @@ class Fir2IrDeclarationStorage(
                 callablesGenerator.createIrConstructor(fir, parent as IrClass, predefinedOrigin = origin)
             },
             createIrLazyDeclaration = { signature, lazyParent, declarationOrigin ->
-                val symbol = Fir2IrConstructorSymbol(signature)
-                val irConstructor = fir.convertWithOffsets { startOffset, endOffset ->
-                    symbolTable.declareConstructor(signature, { symbol }) {
-                        Fir2IrLazyConstructor(
-                            components, startOffset, endOffset, declarationOrigin, fir, symbol
-                        ).apply {
-                            parent = lazyParent
-                        }
-                    }
-                }
+                val irConstructor = lazyDeclarationsGenerator.createIrLazyConstructor(fir, signature, declarationOrigin, lazyParent)
                 constructorCache[fir] = irConstructor
                 // NB: this is needed to prevent recursions in case of self bounds
                 (irConstructor as Fir2IrLazyConstructor).prepareTypeParameters()
@@ -415,6 +406,7 @@ class Fir2IrDeclarationStorage(
         ) as IrConstructorSymbol
     }
 
+
     // ------------------------------------ properties ------------------------------------
 
     fun getOrCreateIrProperty(

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/backend/generators/Fir2IrLazyDeclarationsGenerator.kt

@@ -9,17 +9,16 @@ import org.jetbrains.kotlin.fir.backend.Fir2IrComponents
 import org.jetbrains.kotlin.fir.backend.convertWithOffsets
 import org.jetbrains.kotlin.fir.backend.irOrigin
 import org.jetbrains.kotlin.fir.backend.isStubPropertyForPureField
-import org.jetbrains.kotlin.fir.declarations.FirClass
-import org.jetbrains.kotlin.fir.declarations.FirProperty
-import org.jetbrains.kotlin.fir.declarations.FirRegularClass
-import org.jetbrains.kotlin.fir.declarations.FirSimpleFunction
+import org.jetbrains.kotlin.fir.declarations.*
 import org.jetbrains.kotlin.fir.dispatchReceiverClassLookupTagOrNull
 import org.jetbrains.kotlin.fir.isSubstitutionOrIntersectionOverride
 import org.jetbrains.kotlin.fir.lazy.Fir2IrLazyClass
+import org.jetbrains.kotlin.fir.lazy.Fir2IrLazyConstructor
 import org.jetbrains.kotlin.fir.lazy.Fir2IrLazyProperty
 import org.jetbrains.kotlin.fir.lazy.Fir2IrLazySimpleFunction
 import org.jetbrains.kotlin.fir.originalForSubstitutionOverride
 import org.jetbrains.kotlin.fir.resolve.providers.firProvider
+import org.jetbrains.kotlin.fir.symbols.Fir2IrConstructorSymbol
 import org.jetbrains.kotlin.fir.symbols.Fir2IrPropertySymbol
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.symbols.IrClassSymbol
@@ -90,6 +89,19 @@ class Fir2IrLazyDeclarationsGenerator(val components: Fir2IrComponents) : Fir2Ir
         return irProperty
     }
 
+    fun createIrLazyConstructor(
+        fir: FirConstructor,
+        signature: IdSignature,
+        declarationOrigin: IrDeclarationOrigin,
+        lazyParent: IrDeclarationParent,
+    ): IrConstructor = fir.convertWithOffsets { startOffset, endOffset ->
+        symbolTable.declareConstructor(signature, { Fir2IrConstructorSymbol(signature) }) { symbol ->
+            Fir2IrLazyConstructor(components, startOffset, endOffset, declarationOrigin, fir, symbol).apply {
+                parent = lazyParent
+            }
+        }
+    }
+
     fun createIrLazyClass(
         firClass: FirRegularClass,
         irParent: IrDeclarationParent,

compiler/fir/fir2ir/src/org/jetbrains/kotlin/fir/lazy/Fir2IrLazyConstructor.kt

@@ -15,12 +15,12 @@ import org.jetbrains.kotlin.fir.declarations.utils.isExpect
 import org.jetbrains.kotlin.fir.declarations.utils.isExternal
 import org.jetbrains.kotlin.fir.declarations.utils.isInline
 import org.jetbrains.kotlin.fir.declarations.utils.visibility
-import org.jetbrains.kotlin.fir.symbols.Fir2IrConstructorSymbol
 import org.jetbrains.kotlin.ir.ObsoleteDescriptorBasedAPI
 import org.jetbrains.kotlin.ir.declarations.*
 import org.jetbrains.kotlin.ir.declarations.lazy.lazyVar
 import org.jetbrains.kotlin.ir.expressions.IrBody
 import org.jetbrains.kotlin.ir.expressions.IrConstructorCall
+import org.jetbrains.kotlin.ir.symbols.IrConstructorSymbol
 import org.jetbrains.kotlin.ir.types.IrType
 import org.jetbrains.kotlin.ir.util.isAnnotationClass
 import org.jetbrains.kotlin.ir.util.parentClassOrNull
@@ -35,7 +35,7 @@ class Fir2IrLazyConstructor(
     override val endOffset: Int,
     override var origin: IrDeclarationOrigin,
     override val fir: FirConstructor,
-    override val symbol: Fir2IrConstructorSymbol,
+    override val symbol: IrConstructorSymbol,
 ) : IrConstructor(), AbstractFir2IrLazyDeclaration<FirConstructor>, Fir2IrTypeParametersContainer,
     Fir2IrComponents by components {
     init {