Kotlin JPS plugin: add "version" setting

Part of KTIJ-11633

jps/jps-common/src/org/jetbrains/kotlin/config/JpsPluginSettings.kt

@@ -0,0 +1,13 @@
+/*
+ * 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.config
+
+import org.jetbrains.kotlin.cli.common.arguments.Freezable
+
+class JpsPluginSettings : Freezable() {
+    @Suppress("unused") // Used in Kotlin plugin
+    var version: String by FreezableVar("") // KTIJ-20555 Fix default value?
+}

jps/jps-common/src/org/jetbrains/kotlin/config/SettingConstants.kt

@@ -21,6 +21,7 @@ object SettingConstants {
     const val KOTLIN_TO_JS_COMPILER_ARGUMENTS_SECTION = "Kotlin2JsCompilerArguments"
     const val KOTLIN_TO_JVM_COMPILER_ARGUMENTS_SECTION = "Kotlin2JvmCompilerArguments"
     const val KOTLIN_COMPILER_SETTINGS_SECTION = "KotlinCompilerSettings"
+    const val KOTLIN_JPS_PLUGIN_SETTINGS_SECTION = "KotlinJpsPluginSettings"
     const val KOTLIN_COMPILER_SETTINGS_FILE = "kotlinc.xml"
     const val KOTLIN_COMPILER_REFERENCE_INDEX_BUILDER_ID = "kotlin.compiler.ref.index"
     const val KOTLIN_DATA_CONTAINER_ID = "kotlin-data-container"

jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/ProjectSettings.kt

@@ -8,11 +8,9 @@ package org.jetbrains.kotlin.jps.model
 import org.jetbrains.jps.model.JpsProject
 import org.jetbrains.jps.model.ex.JpsElementBase
 import org.jetbrains.jps.model.ex.JpsElementChildRoleBase
-import org.jetbrains.kotlin.cli.common.arguments.CommonCompilerArguments
+import org.jetbrains.kotlin.cli.common.arguments.*
-import org.jetbrains.kotlin.cli.common.arguments.K2JSCompilerArguments
-import org.jetbrains.kotlin.cli.common.arguments.K2JVMCompilerArguments
-import org.jetbrains.kotlin.cli.common.arguments.K2MetadataCompilerArguments
 import org.jetbrains.kotlin.config.CompilerSettings
+import org.jetbrains.kotlin.config.JpsPluginSettings
 
 var JpsProject.kotlinCompilerSettings
     get() = kotlinCompilerSettingsContainer.compilerSettings
@@ -20,6 +18,12 @@ var JpsProject.kotlinCompilerSettings
         getOrCreateSettings().compilerSettings = value
     }
 
+var JpsProject.kotlinJpsPluginSettings
+    get() = kotlinCompilerSettingsContainer.jpsPluginSettings
+    internal set(value) {
+        getOrCreateSettings().jpsPluginSettings = value
+    }
+
 var JpsProject.kotlinCommonCompilerArguments
     get() = kotlinCompilerSettingsContainer.commonCompilerArguments
     internal set(value) {
@@ -62,6 +66,7 @@ class JpsKotlinCompilerSettings : JpsElementBase<JpsKotlinCompilerSettings>() {
     internal var k2JvmCompilerArguments = K2JVMCompilerArguments()
     internal var k2JsCompilerArguments = K2JSCompilerArguments()
     internal var compilerSettings = CompilerSettings()
+    internal var jpsPluginSettings = JpsPluginSettings()
 
     @Suppress("UNCHECKED_CAST")
     internal operator fun <T : CommonCompilerArguments> get(compilerArgumentsClass: Class<T>): T = when (compilerArgumentsClass) {
@@ -78,6 +83,7 @@ class JpsKotlinCompilerSettings : JpsElementBase<JpsKotlinCompilerSettings>() {
         copy.k2JvmCompilerArguments = this.k2JvmCompilerArguments
         copy.k2JsCompilerArguments = this.k2JsCompilerArguments
         copy.compilerSettings = this.compilerSettings
+        copy.jpsPluginSettings = this.jpsPluginSettings
         return copy
     }
 

jps/jps-plugin/src/org/jetbrains/kotlin/jps/model/Serializer.kt

@@ -24,7 +24,8 @@ class KotlinModelSerializerService : KotlinCommonJpsModelSerializerExtension() {
         KotlinCommonCompilerArgumentsSerializer(),
         Kotlin2JvmCompilerArgumentsSerializer(),
         Kotlin2JsCompilerArgumentsSerializer(),
-        KotlinCompilerSettingsSerializer()
+        KotlinCompilerSettingsSerializer(),
+        KotlinJpsPluginSettingsSerializer()
     )
 
     override fun getFacetConfigurationSerializers() = listOf(JpsKotlinFacetConfigurationSerializer)
@@ -81,6 +82,14 @@ internal class KotlinCompilerSettingsSerializer : BaseJpsCompilerSettingsSeriali
     }
 }
 
+internal class KotlinJpsPluginSettingsSerializer : BaseJpsCompilerSettingsSerializer<JpsPluginSettings>(
+    SettingConstants.KOTLIN_JPS_PLUGIN_SETTINGS_SECTION, ::JpsPluginSettings
+) {
+    override fun onLoad(project: JpsProject, settings: JpsPluginSettings) {
+        project.kotlinJpsPluginSettings = settings
+    }
+}
+
 internal class KotlinCommonCompilerArgumentsSerializer : BaseJpsCompilerSettingsSerializer<CommonCompilerArguments.DummyImpl>(
     SettingConstants.KOTLIN_COMMON_COMPILER_ARGUMENTS_SECTION, CommonCompilerArguments::DummyImpl
 ) {