From 892512cb67586e8be8d803c2453436e4fef39deb Mon Sep 17 00:00:00 2001
From: "sebastian.sellmair" <sebastian.sellmair@jetbrains.com>
Date: Thu, 16 Sep 2021 14:34:35 +0200
Subject: [PATCH] [Commonizer] Remove unused/old typeAliasUtils

^KT-48288
---
 .../kotlin/commonizer/core/typeAliasUtils.kt  | 72 -------------------
 1 file changed, 72 deletions(-)
 delete mode 100644 native/commonizer/src/org/jetbrains/kotlin/commonizer/core/typeAliasUtils.kt

diff --git a/native/commonizer/src/org/jetbrains/kotlin/commonizer/core/typeAliasUtils.kt b/native/commonizer/src/org/jetbrains/kotlin/commonizer/core/typeAliasUtils.kt
deleted file mode 100644
index 295e53525a2..00000000000
--- a/native/commonizer/src/org/jetbrains/kotlin/commonizer/core/typeAliasUtils.kt
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * 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.commonizer.core
-
-import org.jetbrains.kotlin.commonizer.cir.CirClassOrTypeAliasType
-import org.jetbrains.kotlin.commonizer.cir.CirClassType
-import org.jetbrains.kotlin.commonizer.cir.CirTypeAliasType
-import org.jetbrains.kotlin.commonizer.cir.CirTypeProjection
-import org.jetbrains.kotlin.commonizer.mergedtree.CirKnownClassifiers
-
-internal tailrec fun computeSuitableUnderlyingType(
-    classifiers: CirKnownClassifiers,
-    typeCommonizer: TypeCommonizer,
-    underlyingType: CirClassOrTypeAliasType
-): CirClassOrTypeAliasType? {
-    return when (underlyingType) {
-        is CirClassType -> underlyingType.withCommonizedArguments(typeCommonizer)
-        is CirTypeAliasType ->
-            if (classifiers.commonDependencies.hasClassifier(underlyingType.classifierId) ||
-                classifiers.commonizedNodes.typeAliasNode(underlyingType.classifierId)?.commonDeclaration?.invoke() != null
-            ) underlyingType.withCommonizedArguments(typeCommonizer)
-            else computeSuitableUnderlyingType(classifiers, typeCommonizer, underlyingType.underlyingType)
-    }
-}
-
-private fun CirClassType.withCommonizedArguments(typeCommonizer: TypeCommonizer): CirClassType? {
-    val existingArguments = arguments
-    val newArguments = existingArguments.toCommonizedArguments(typeCommonizer) ?: return null
-
-    val existingOuterType = outerType
-    val newOuterType = existingOuterType?.let { it.withCommonizedArguments(typeCommonizer) ?: return null }
-
-    return if (newArguments !== existingArguments || newOuterType !== existingOuterType)
-        CirClassType.createInterned(
-            classId = classifierId,
-            outerType = newOuterType,
-            visibility = visibility,
-            arguments = newArguments,
-            isMarkedNullable = isMarkedNullable
-        )
-    else
-        this
-}
-
-private fun CirTypeAliasType.withCommonizedArguments(typeCommonizer: TypeCommonizer): CirTypeAliasType? {
-    val existingArguments = arguments
-    val newArguments = existingArguments.toCommonizedArguments(typeCommonizer) ?: return null
-
-    val existingUnderlyingType = underlyingType
-    val newUnderlyingType = when (existingUnderlyingType) {
-        is CirClassType -> existingUnderlyingType.withCommonizedArguments(typeCommonizer)
-        is CirTypeAliasType -> existingUnderlyingType.withCommonizedArguments(typeCommonizer)
-    } ?: return null
-
-    return if (newArguments !== existingArguments || newUnderlyingType !== existingUnderlyingType)
-        CirTypeAliasType.createInterned(
-            typeAliasId = classifierId,
-            underlyingType = newUnderlyingType,
-            arguments = newArguments,
-            isMarkedNullable = isMarkedNullable
-        )
-    else
-        this
-}
-
-@Suppress("NOTHING_TO_INLINE")
-private inline fun List<CirTypeProjection>.toCommonizedArguments(typeCommonizer: TypeCommonizer): List<CirTypeProjection>? =
-    if (isEmpty()) this
-    else TypeArgumentListCommonizer(typeCommonizer).let { if (it.commonizeWith(this)) it.result else null }