From a37975ab21bcb64aad762e01edc8ee8da8b1dcf6 Mon Sep 17 00:00:00 2001
From: Dmitriy Novozhilov <dmitriy.novozhilov@jetbrains.com>
Date: Thu, 23 Apr 2020 17:23:33 +0300
Subject: [PATCH] [FIR] Add compiler extension for plugin registration

---
 .../META-INF/extensions/compiler.xml          |  2 ++
 .../FirExtensionRegistrarExtension.kt         | 28 +++++++++++++++++++
 2 files changed, 30 insertions(+)
 create mode 100644 compiler/fir/resolve/src/org/jetbrains/kotlin/fir/extensions/FirExtensionRegistrarExtension.kt

diff --git a/compiler/cli/cli-common/resources/META-INF/extensions/compiler.xml b/compiler/cli/cli-common/resources/META-INF/extensions/compiler.xml
index fdd17f3b5d2..24ebccd57fd 100644
--- a/compiler/cli/cli-common/resources/META-INF/extensions/compiler.xml
+++ b/compiler/cli/cli-common/resources/META-INF/extensions/compiler.xml
@@ -62,5 +62,7 @@
                         interface="com.intellij.ide.util.projectWizard.ModuleBuilder"/>
         <extensionPoint qualifiedName="org.jetbrains.kotlin.renameHandler"
                         interface="com.intellij.refactoring.rename.RenameHandler"/>
+        <extensionPoint qualifiedName="org.jetbrains.kotlin.fir.extensions.FirExtensionRegistrarExtension"
+                        interface="org.jetbrains.kotlin.fir.extensions.FirExtensionRegistrarExtension"/>
     </extensionPoints>
 </idea-plugin>
diff --git a/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/extensions/FirExtensionRegistrarExtension.kt b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/extensions/FirExtensionRegistrarExtension.kt
new file mode 100644
index 00000000000..b4e93afbf35
--- /dev/null
+++ b/compiler/fir/resolve/src/org/jetbrains/kotlin/fir/extensions/FirExtensionRegistrarExtension.kt
@@ -0,0 +1,28 @@
+/*
+ * Copyright 2010-2020 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.extensions
+
+import org.jetbrains.kotlin.extensions.ProjectExtensionDescriptor
+
+abstract class FirExtensionRegistrarExtension {
+    companion object : ProjectExtensionDescriptor<FirExtensionRegistrarExtension>(
+        "org.jetbrains.kotlin.fir.frontendIrExtensionRegistrarExtension",
+        FirExtensionRegistrarExtension::class.java
+    )
+
+    protected inner class ExtensionRegistrarContext
+
+    protected abstract fun ExtensionRegistrarContext.configurePlugin()
+
+    fun configure(): RegisteredExtensions {
+        ExtensionRegistrarContext().configurePlugin()
+        return RegisteredExtensions()
+    }
+
+    class RegisteredExtensions
+}
+
+fun FirExtensionPointService.registerExtensions(extensions: FirExtensionRegistrarExtension.RegisteredExtensions) {}
\ No newline at end of file