[IR generator] Minor: split Model.kt into Element.kt and Field.kt

^KT-65773 In Progress

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/model/Element.kt

@@ -1,12 +1,11 @@
 /*
- * Copyright 2010-2021 JetBrains s.r.o. and Kotlin Programming Language contributors.
+ * Copyright 2010-2024 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.ir.generator.model
 
 import org.jetbrains.kotlin.generators.tree.*
-import org.jetbrains.kotlin.generators.tree.ListField as AbstractListField
 import org.jetbrains.kotlin.ir.generator.BASE_PACKAGE
 import org.jetbrains.kotlin.ir.generator.IrTree
 import org.jetbrains.kotlin.ir.generator.elementBaseType
@@ -136,94 +135,4 @@ class Element(
 }
 
 typealias ElementRef = GenericElementRef<Element>
-typealias ElementOrRef = GenericElementOrRef<Element>
+typealias ElementOrRef = GenericElementOrRef<Element>
-
-sealed class Field(
-    override val name: String,
-    override var isMutable: Boolean,
-) : AbstractField<Field>() {
-    var baseDefaultValue: String? = null
-    var baseGetter: String? = null
-
-    sealed class UseFieldAsParameterInIrFactoryStrategy {
-
-        data object No : UseFieldAsParameterInIrFactoryStrategy()
-
-        data class Yes(val defaultValue: String?) : UseFieldAsParameterInIrFactoryStrategy()
-    }
-
-    var customUseInIrFactoryStrategy: UseFieldAsParameterInIrFactoryStrategy? = null
-
-    val useInIrFactoryStrategy: UseFieldAsParameterInIrFactoryStrategy
-        get() = customUseInIrFactoryStrategy
-            ?: if (isChild && containsElement) {
-                UseFieldAsParameterInIrFactoryStrategy.No
-            } else {
-                UseFieldAsParameterInIrFactoryStrategy.Yes(null)
-            }
-
-    override val withGetter: Boolean
-        get() = baseGetter != null
-
-    override val defaultValueInImplementation: String?
-        get() = baseGetter ?: baseDefaultValue
-
-    override var customSetter: String? = null
-
-    override fun toString() = "$name: $typeRef"
-
-    override val isVolatile: Boolean
-        get() = false
-
-    override val isFinal: Boolean
-        get() = defaultValueInImplementation != null
-
-    override val isParameter: Boolean
-        get() = false
-
-    override fun copy() = internalCopy().also(::updateFieldsInCopy)
-
-    override fun updateFieldsInCopy(copy: Field) {
-        super.updateFieldsInCopy(copy)
-        copy.baseDefaultValue = baseDefaultValue
-        copy.baseGetter = baseGetter
-        copy.customUseInIrFactoryStrategy = customUseInIrFactoryStrategy
-        copy.customSetter = customSetter
-    }
-
-    protected abstract fun internalCopy(): Field
-}
-
-class SingleField(
-    name: String,
-    override var typeRef: TypeRefWithNullability,
-    mutable: Boolean,
-) : Field(name, mutable) {
-
-    override fun replaceType(newType: TypeRefWithNullability) =
-        SingleField(name, newType, isMutable).also(::updateFieldsInCopy)
-
-    override fun internalCopy() = SingleField(name, typeRef, isMutable)
-}
-
-class ListField(
-    name: String,
-    override var baseType: TypeRef,
-    private val isNullable: Boolean,
-    override val listType: ClassRef<PositionTypeParameterRef>,
-    mutable: Boolean,
-) : Field(name, mutable), AbstractListField {
-
-    override val typeRef: ClassRef<PositionTypeParameterRef>
-        get() = listType.withArgs(baseType).copy(isNullable)
-
-    override fun replaceType(newType: TypeRefWithNullability) = copy()
-
-    override fun internalCopy() = ListField(name, baseType, isNullable, listType, isMutable)
-
-    enum class Mutability {
-        Var,
-        MutableList,
-        Array
-    }
-}

compiler/ir/ir.tree/tree-generator/src/org/jetbrains/kotlin/ir/generator/model/Field.kt

@@ -0,0 +1,99 @@
+/*
+ * Copyright 2010-2021 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.ir.generator.model
+
+import org.jetbrains.kotlin.generators.tree.*
+import org.jetbrains.kotlin.generators.tree.ListField as AbstractListField
+
+sealed class Field(
+    override val name: String,
+    override var isMutable: Boolean,
+) : AbstractField<Field>() {
+    var baseDefaultValue: String? = null
+    var baseGetter: String? = null
+
+    sealed class UseFieldAsParameterInIrFactoryStrategy {
+
+        data object No : UseFieldAsParameterInIrFactoryStrategy()
+
+        data class Yes(val defaultValue: String?) : UseFieldAsParameterInIrFactoryStrategy()
+    }
+
+    var customUseInIrFactoryStrategy: UseFieldAsParameterInIrFactoryStrategy? = null
+
+    val useInIrFactoryStrategy: UseFieldAsParameterInIrFactoryStrategy
+        get() = customUseInIrFactoryStrategy
+            ?: if (isChild && containsElement) {
+                UseFieldAsParameterInIrFactoryStrategy.No
+            } else {
+                UseFieldAsParameterInIrFactoryStrategy.Yes(null)
+            }
+
+    override val withGetter: Boolean
+        get() = baseGetter != null
+
+    override val defaultValueInImplementation: String?
+        get() = baseGetter ?: baseDefaultValue
+
+    override var customSetter: String? = null
+
+    override fun toString() = "$name: $typeRef"
+
+    override val isVolatile: Boolean
+        get() = false
+
+    override val isFinal: Boolean
+        get() = defaultValueInImplementation != null
+
+    override val isParameter: Boolean
+        get() = false
+
+    override fun copy() = internalCopy().also(::updateFieldsInCopy)
+
+    override fun updateFieldsInCopy(copy: Field) {
+        super.updateFieldsInCopy(copy)
+        copy.baseDefaultValue = baseDefaultValue
+        copy.baseGetter = baseGetter
+        copy.customUseInIrFactoryStrategy = customUseInIrFactoryStrategy
+        copy.customSetter = customSetter
+    }
+
+    protected abstract fun internalCopy(): Field
+}
+
+class SingleField(
+    name: String,
+    override var typeRef: TypeRefWithNullability,
+    mutable: Boolean,
+) : Field(name, mutable) {
+
+    override fun replaceType(newType: TypeRefWithNullability) =
+        SingleField(name, newType, isMutable).also(::updateFieldsInCopy)
+
+    override fun internalCopy() = SingleField(name, typeRef, isMutable)
+}
+
+class ListField(
+    name: String,
+    override var baseType: TypeRef,
+    private val isNullable: Boolean,
+    override val listType: ClassRef<PositionTypeParameterRef>,
+    mutable: Boolean,
+) : Field(name, mutable), AbstractListField {
+
+    override val typeRef: ClassRef<PositionTypeParameterRef>
+        get() = listType.withArgs(baseType).copy(isNullable)
+
+    override fun replaceType(newType: TypeRefWithNullability) = copy()
+
+    override fun internalCopy() = ListField(name, baseType, isNullable, listType, isMutable)
+
+    enum class Mutability {
+        Var,
+        MutableList,
+        Array
+    }
+}