[Compiler] Mark all entrypoints to compiler API as experimental

compiler/build.gradle.kts

@@ -44,6 +44,8 @@ dependencies {
     antLauncherJar(toolsJar())
 }
 
+optInToExperimentalCompilerApi()
+
 sourceSets {
     "main" {}
     "test" {

compiler/cli/build.gradle.kts

@@ -53,6 +53,10 @@ sourceSets {
     "test" { }
 }
 
+allprojects {
+    optInToExperimentalCompilerApi()
+}
+
 tasks.withType<org.jetbrains.kotlin.gradle.dsl.KotlinCompile<*>> {
     kotlinOptions {
         languageVersion = "1.4"

compiler/cli/cli-common/build.gradle.kts

@@ -21,6 +21,8 @@ sourceSets {
     "test" {}
 }
 
+optInToExperimentalCompilerApi()
+
 tasks.getByName<Jar>("jar") {
     //excludes unused bunch files
     exclude("META-INF/extensions/*.xml.**")

compiler/daemon/build.gradle.kts

@@ -24,6 +24,8 @@ dependencies {
     }
 }
 
+optInToExperimentalCompilerApi()
+
 sourceSets {
     "main" { projectDefault() }
     "test" {}

compiler/plugin-api/build.gradle.kts

@@ -18,3 +18,5 @@ sourceSets {
 tasks.withType<org.jetbrains.kotlin.gradle.tasks.KotlinCompile>().configureEach {
     kotlinOptions.freeCompilerArgs += "-Xjvm-default=all-compatibility"
 }
+
+optInToExperimentalCompilerApi()

compiler/plugin-api/src/org/jetbrains/kotlin/compiler/plugin/CommandLineProcessor.kt

@@ -19,6 +19,7 @@ package org.jetbrains.kotlin.compiler.plugin
 import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.CompilerConfigurationKey
 
+@ExperimentalCompilerApi
 interface CommandLineProcessor {
     val pluginId: String
     val pluginOptions: Collection<AbstractCliOption>
@@ -63,4 +64,4 @@ interface CommandLineProcessor {
 
         return this.toMutableList()
     }
-}
+}

compiler/plugin-api/src/org/jetbrains/kotlin/compiler/plugin/CompilerPluginRegistrar.kt

@@ -11,6 +11,7 @@ import org.jetbrains.kotlin.config.CompilerConfiguration
 import org.jetbrains.kotlin.config.CompilerConfigurationKey
 import org.jetbrains.kotlin.extensions.ProjectExtensionDescriptor
 
+@ExperimentalCompilerApi
 abstract class CompilerPluginRegistrar {
     companion object {
         val COMPILER_PLUGIN_REGISTRARS: CompilerConfigurationKey<MutableList<CompilerPluginRegistrar>> =

compiler/plugin-api/src/org/jetbrains/kotlin/compiler/plugin/ComponentRegistrar.kt

@@ -25,6 +25,7 @@ import org.jetbrains.kotlin.config.CompilerConfigurationKey
     replaceWith = ReplaceWith("CompilerPluginRegistrar", "org.jetbrains.kotlin.compiler.plugin.CompilerPluginRegistrar"),
     level = DeprecationLevel.WARNING
 )
+@ExperimentalCompilerApi
 interface ComponentRegistrar {
     companion object {
         @Suppress("DEPRECATION")

compiler/plugin-api/src/org/jetbrains/kotlin/compiler/plugin/ExperimentalCompilerApi.kt

@@ -0,0 +1,9 @@
+/*
+ * Copyright 2010-2022 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.compiler.plugin
+
+@RequiresOptIn("This API is experimental. There are no stability guarantees for it")
+annotation class ExperimentalCompilerApi

compiler/test-infrastructure/build.gradle.kts

@@ -17,6 +17,8 @@ dependencies {
     testRuntimeOnly(commonDependency("net.java.dev.jna:jna"))
 }
 
+optInToExperimentalCompilerApi()
+
 sourceSets {
     "main" { none() }
     "test" { projectDefault() }

compiler/tests-common-new/build.gradle.kts

@@ -40,6 +40,8 @@ dependencies {
     testApi(toolsJar())
 }
 
+optInToExperimentalCompilerApi()
+
 val generationRoot = projectDir.resolve("tests-gen")
 
 sourceSets {

compiler/tests-common/build.gradle.kts

@@ -82,6 +82,8 @@ dependencies {
     testApiJUnit5()
 }
 
+optInToExperimentalCompilerApi()
+
 sourceSets {
     "main" { }
     "test" { projectDefault() }