Unify and use names of synthetic members of data class

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/FirHelpers.kt

@@ -5,10 +5,10 @@
 
 package org.jetbrains.kotlin.fir.analysis.checkers
 
+import org.jetbrains.kotlin.builtins.StandardNames.HASHCODE_NAME
 import org.jetbrains.kotlin.descriptors.ClassKind
 import org.jetbrains.kotlin.descriptors.Modality
 import org.jetbrains.kotlin.descriptors.Visibilities
-import org.jetbrains.kotlin.descriptors.Visibility
 import org.jetbrains.kotlin.descriptors.annotations.KotlinTarget
 import org.jetbrains.kotlin.fir.*
 import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
@@ -32,12 +32,9 @@ import org.jetbrains.kotlin.fir.symbols.FirBasedSymbol
 import org.jetbrains.kotlin.fir.symbols.SymbolInternals
 import org.jetbrains.kotlin.fir.symbols.impl.*
 import org.jetbrains.kotlin.fir.types.*
-import org.jetbrains.kotlin.lexer.KtModifierKeywordToken
 import org.jetbrains.kotlin.lexer.KtTokens
 import org.jetbrains.kotlin.name.*
-import org.jetbrains.kotlin.psi.KtModifierList
 import org.jetbrains.kotlin.psi.KtParameter.VAL_VAR_TOKEN_SET
-import org.jetbrains.kotlin.psi.psiUtil.visibilityModifierType
 import org.jetbrains.kotlin.resolve.AnnotationTargetList
 import org.jetbrains.kotlin.resolve.AnnotationTargetLists
 import org.jetbrains.kotlin.types.AbstractTypeChecker

compiler/fir/checkers/src/org/jetbrains/kotlin/fir/analysis/checkers/declaration/FirMethodOfAnyImplementedInInterfaceChecker.kt

@@ -5,7 +5,7 @@
 
 package org.jetbrains.kotlin.fir.analysis.checkers.declaration
 
-import org.jetbrains.kotlin.fir.HASHCODE_NAME
+import org.jetbrains.kotlin.builtins.StandardNames.HASHCODE_NAME
 import org.jetbrains.kotlin.fir.analysis.checkers.FirDeclarationPresenter
 import org.jetbrains.kotlin.fir.analysis.checkers.context.CheckerContext
 import org.jetbrains.kotlin.fir.analysis.diagnostics.DiagnosticReporter

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

@@ -5,9 +5,9 @@
 
 package org.jetbrains.kotlin.fir.backend.generators
 
+import org.jetbrains.kotlin.builtins.StandardNames.DATA_CLASS_COPY
+import org.jetbrains.kotlin.builtins.StandardNames.HASHCODE_NAME
 import org.jetbrains.kotlin.descriptors.*
-import org.jetbrains.kotlin.fir.COPY_NAME
-import org.jetbrains.kotlin.fir.HASHCODE_NAME
 import org.jetbrains.kotlin.fir.backend.Fir2IrComponents
 import org.jetbrains.kotlin.fir.backend.FirMetadataSource
 import org.jetbrains.kotlin.fir.backend.declareThisReceiverParameter
@@ -330,7 +330,7 @@ class DataClassMembersGenerator(val components: Fir2IrComponents) {
 
     companion object {
         fun isCopy(irFunction: IrFunction): Boolean =
-            irFunction.name == COPY_NAME
+            irFunction.name == DATA_CLASS_COPY
 
         fun isComponentN(irFunction: IrFunction): Boolean {
             if (irFunction.name.isSpecial) {

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

@@ -1,12 +0,0 @@
-/*
- * Copyright 2010-2019 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.fir
-
-import org.jetbrains.kotlin.name.Name
-
-// Data class synthetic members
-val COPY_NAME = Name.identifier("copy")
-val HASHCODE_NAME = Name.identifier("hashCode")

core/compiler.common/src/org/jetbrains/kotlin/builtins/StandardNames.kt

@@ -24,6 +24,10 @@ object StandardNames {
 
     @JvmField val ENUM_VALUE_OF = Name.identifier("valueOf")
 
+    @JvmField val DATA_CLASS_COPY = Name.identifier("copy")
+
+    @JvmField val HASHCODE_NAME = Name.identifier("hashCode")
+
     @JvmField val CHAR_CODE = Name.identifier("code")
 
     @JvmField val COROUTINES_PACKAGE_FQ_NAME = FqName("kotlin.coroutines")