Get rid of explicit value case manipulations.

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanConfig.kt

@@ -69,7 +69,7 @@ class KonanConfig(val project: Project, val configuration: CompilerConfiguration
     internal val produce get() = configuration.get(KonanConfigKeys.PRODUCE)!!
     private val prefix = produce.prefix(target)
     private val suffix = produce.suffix(target)
-    val outputName = configuration.get(KonanConfigKeys.OUTPUT)?.removeSuffixIfPresent(suffix) ?: produce.name.toLowerCase()
+    val outputName = configuration.get(KonanConfigKeys.OUTPUT)?.removeSuffixIfPresent(suffix) ?: produce.userName
     val outputFile = outputName
         .prefixBaseNameIfNot(prefix)
         .suffixIfNot(suffix)

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/KonanPhases.kt

@@ -17,12 +17,13 @@
 package org.jetbrains.kotlin.backend.konan
 
 import org.jetbrains.kotlin.backend.konan.util.*
+import org.jetbrains.kotlin.konan.util.UserNamed
 import org.jetbrains.kotlin.konan.target.CompilerOutputKind
 
 enum class KonanPhase(val description: String,
                       vararg prerequisite: KonanPhase,
-                      var enabled: Boolean = true, var verbose: Boolean = false) {
-
+                      var enabled: Boolean = true,
+                      var verbose: Boolean = false) : UserNamed {
     /* */ FRONTEND("Frontend builds AST"),
     /* */ PSI_TO_IR("Psi to IR conversion"),
     /* */ SERIALIZER("Serialize descriptor tree and inline IR bodies"),
@@ -73,7 +74,7 @@ enum class KonanPhase(val description: String,
 }
 
 object KonanPhases {
-    val phases = KonanPhase.values().associate { it.name.toLowerCase() to it }
+    val phases = KonanPhase.values().associate { it.userName to it }
 
     fun known(name: String): String {
         if (phases[name] == null) {

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/library/KonanLibrary.kt

@@ -32,7 +32,7 @@ interface KonanLibraryLayout {
     val targetsDir
         get() = File(libDir, "targets")
     val targetDir 
-        get() = File(targetsDir, target!!.name.toLowerCase())
+        get() = File(targetsDir, target!!.userName)
     val kotlinDir 
         get() = File(targetDir, "kotlin")
     val nativeDir 

build.gradle

@@ -337,11 +337,11 @@ private ArrayList<DefFile> targetDefFiles(String target) {
 }
 
 private String targetToPlatform(String target) {
-    new TargetManager(target).target.family.name().toLowerCase()
+    new TargetManager(target).target.family.userName
 }
 
 private String targetToOs(String target) {
-    new TargetManager(target).target.detailedName.toLowerCase()
+    new TargetManager(target).target.detailedName
 }
 
 private String defFileToTaskName(String target, String name) {

shared/src/main/kotlin/org/jetbrains/kotlin/konan/target/KonanTarget.kt

@@ -16,28 +16,27 @@
 
 package org.jetbrains.kotlin.konan.target
 
-enum class Family(name:String, val exeSuffix:String, val dynamicPrefix: String, val dynamicSuffix: String) {
-    OSX(    "osx"    , "kexe", "lib", "dylib"),
-    IOS(    "ios"    , "kexe", "lib", "dylib"),
-    LINUX(  "linux"  , "kexe", "lib", "so"   ),
-    WINDOWS("windows", "exe" , ""   , "dll"  ),
-    ANDROID("android", "so"  , "lib", "so"   ),
-    WASM(   "wasm"   , "wasm", ""   , "wasm" )
+import org.jetbrains.kotlin.konan.util.UserNamed
+
+enum class Family(val exeSuffix:String, val dynamicPrefix: String, val dynamicSuffix: String) : UserNamed {
+    OSX     ("kexe", "lib", "dylib"),
+    IOS     ("kexe", "lib", "dylib"),
+    LINUX   ("kexe", "lib", "so"   ),
+    WINDOWS ("exe" , ""   , "dll"  ),
+    ANDROID ("so"  , "lib", "so"   ),
+    WASM    ("wasm", ""   , "wasm" )
 }
 
-enum class Architecture(val bitness: Int) {
+enum class Architecture(val bitness: Int) : UserNamed {
     X64(64),
     ARM64(64),
     ARM32(32),
     MIPS32(32),
     MIPSEL32(32),
     WASM32(32);
-
-    val userName: String
-        get() = this.name.toLowerCase()
 }
 
-enum class KonanTarget(val family: Family, val architecture: Architecture, val detailedName: String, var enabled: Boolean = false) {
+enum class KonanTarget(val family: Family, val architecture: Architecture, val detailedName: String, var enabled: Boolean = false) : UserNamed {
     ANDROID_ARM32(  Family.ANDROID,     Architecture.ARM32,     "android_arm32"),
     ANDROID_ARM64(  Family.ANDROID,     Architecture.ARM64,     "android_arm64"),
     IPHONE(         Family.IOS,         Architecture.ARM64,     "ios"),
@@ -49,14 +48,12 @@ enum class KonanTarget(val family: Family, val architecture: Architecture, val d
     LINUX_MIPS32(   Family.LINUX,       Architecture.MIPS32,    "linux_mips32"),
     LINUX_MIPSEL32( Family.LINUX,       Architecture.MIPSEL32,  "linux_mipsel32"),
     WASM32(         Family.WASM,        Architecture.WASM32,    "wasm32");
-
-    val userName get() = name.toLowerCase()
 }
 
 fun hostTargetSuffix(host: KonanTarget, target: KonanTarget) =
     if (target == host) host.detailedName else "${host.detailedName}-${target.detailedName}"
 
-enum class CompilerOutputKind {
+enum class CompilerOutputKind: UserNamed {
     PROGRAM {
         override fun suffix(target: KonanTarget?) = ".${target!!.family.exeSuffix}"
     },
@@ -82,7 +79,7 @@ class TargetManager(val userRequest: String? = null) {
     val targets = KonanTarget.values().associate{ it.userName to it }
     val target = determineCurrent()
     val targetName
-        get() = target.name.toLowerCase()
+        get() = target.userName
 
 
     fun known(name: String): String {
@@ -165,7 +162,7 @@ class TargetManager(val userRequest: String? = null) {
 
         val hostSuffix get() = host.detailedName
         @JvmStatic
-        val hostName get() = host.name.toLowerCase()
+        val hostName get() = host.userName
 
         init {
             when (host) {

shared/src/main/kotlin/org/jetbrains/kotlin/konan/util/UserNamed.kt

@@ -0,0 +1,24 @@
+/*
+ * Copyright 2010-2017 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.jetbrains.kotlin.konan.util
+
+// This interface is good for Enums to make enum members available to users
+// as low case words.
+interface UserNamed {
+    val name: String
+    val userName get() = name.toLowerCase() 
+}

tools/kotlin-native-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/tasks/KonanBaseTasks.kt

@@ -33,7 +33,7 @@ import org.jetbrains.kotlin.konan.target.TargetManager
 import java.io.File
 
 internal val Project.host
-    get() = TargetManager.host.name.toLowerCase()
+    get() = TargetManager.host.userName
 
 internal val Project.simpleOsName
     get() = TargetManager.simpleOsName()