From 342a12666b924acd8cfda81ca179961d6fbcdbb6 Mon Sep 17 00:00:00 2001
From: Andrey Uskov <Andrey.Uskov@jetbrains.com>
Date: Wed, 21 Aug 2019 09:06:11 +0300
Subject: [PATCH] Introduce versioning of multiplatform in KotlinFacetSettings

Original commit: 4642127c2829c8130c3c0092bcfb38b8eff378b3
---
 .../kotlin/config/KotlinFacetSettings.kt      | 26 +++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt b/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt
index 8816ee3069c..6defec73059 100644
--- a/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt
+++ b/jps/jps-common/src/org/jetbrains/kotlin/config/KotlinFacetSettings.kt
@@ -26,6 +26,7 @@ import org.jetbrains.kotlin.platform.IdePlatformKind
 import org.jetbrains.kotlin.platform.TargetPlatform
 import org.jetbrains.kotlin.platform.TargetPlatformVersion
 import org.jetbrains.kotlin.platform.compat.toIdePlatform
+import org.jetbrains.kotlin.platform.isCommon
 import org.jetbrains.kotlin.platform.jvm.JvmPlatforms
 import org.jetbrains.kotlin.utils.DescriptionAware
 
@@ -137,6 +138,21 @@ enum class KotlinModuleKind {
         get() = this != DEFAULT
 }
 
+enum class KotlinMultiplatformVersion(val version: Int) {
+    M1(1), // the first implementation of MPP. Aka 1.2.0 MPP
+    M2(2), // the "New" MPP. Aka 1.3.0 MPP
+    M3(3); // the "Hierarchical" MPP.
+
+    val isMPPModule: Boolean
+        get() = version >= 1
+
+    val isNewMPP: Boolean
+        get() = version >= 2
+
+    val isHMPP: Boolean
+        get() = version >= 3
+}
+
 class KotlinFacetSettings {
     companion object {
         // Increment this when making serialization-incompatible changes to configuration data
@@ -239,8 +255,18 @@ class KotlinFacetSettings {
     var isTestModule: Boolean = false
 
     var externalProjectId: String = ""
+
+    @Deprecated(message = "Use mppVersion.isHmppEnabled")
     var isHmppEnabled: Boolean = false
 
+    val mppVersion: KotlinMultiplatformVersion?
+        get() = when {
+            isHmppEnabled -> KotlinMultiplatformVersion.M3
+            kind.isNewMPP -> KotlinMultiplatformVersion.M2
+            targetPlatform.isCommon() || implementedModuleNames.isNotEmpty() || kind.isNewMPP -> KotlinMultiplatformVersion.M1
+            else -> null
+        }
+
     var pureKotlinSourceFolders: List<String> = emptyList()
 }