From 6891ad0dfc5adc372826faf4812df6a614e09e2a Mon Sep 17 00:00:00 2001
From: Roman Artemev <roman.artemev@jetbrains.com>
Date: Mon, 25 Jan 2021 23:32:32 +0300
Subject: [PATCH] [IR] Add `IrMessageLogger` interface for diagnostic reporting
 from IR

---
 .../kotlin/ir/util/IrMessageLogger.kt         | 28 +++++++++++++++++++
 1 file changed, 28 insertions(+)
 create mode 100644 compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrMessageLogger.kt

diff --git a/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrMessageLogger.kt b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrMessageLogger.kt
new file mode 100644
index 00000000000..9069a51c5d7
--- /dev/null
+++ b/compiler/ir/ir.tree/src/org/jetbrains/kotlin/ir/util/IrMessageLogger.kt
@@ -0,0 +1,28 @@
+/*
+ * 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.ir.util
+
+import org.jetbrains.kotlin.config.CompilerConfigurationKey
+
+interface IrMessageLogger {
+
+    enum class Severity {
+        INFO, WARNING, ERROR
+    }
+
+    data class Location(val filePath: String, val line: Int, val column: Int)
+
+    fun report(severity: Severity, message: String, location: Location?)
+
+    object None : IrMessageLogger {
+        override fun report(severity: Severity, message: String, location: Location?) {}
+    }
+
+    companion object {
+        @JvmStatic
+        val IR_MESSAGE_LOGGER = CompilerConfigurationKey<IrMessageLogger>("ir message logger")
+    }
+}
\ No newline at end of file