From 22cd20781ee15fb14c5270a4ec6ba14c24317b54 Mon Sep 17 00:00:00 2001
From: Roman Artemev <roman.artemev@jetbrains.com>
Date: Fri, 20 Aug 2021 16:49:10 +0300
Subject: [PATCH] [JS IC] Support per-file invalidation in CLI

 - now disabled
---
 .../jetbrains/kotlin/cli/js/K2JsIrCompiler.kt | 21 +++++++++++++++----
 1 file changed, 17 insertions(+), 4 deletions(-)

diff --git a/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt b/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt
index 1c5b77a971b..95f5653cea9 100644
--- a/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt
+++ b/compiler/cli/cli-js/src/org/jetbrains/kotlin/cli/js/K2JsIrCompiler.kt
@@ -38,6 +38,7 @@ import org.jetbrains.kotlin.incremental.js.IncrementalDataProvider
 import org.jetbrains.kotlin.incremental.js.IncrementalNextRoundChecker
 import org.jetbrains.kotlin.incremental.js.IncrementalResultsConsumer
 import org.jetbrains.kotlin.ir.backend.js.*
+import org.jetbrains.kotlin.ir.backend.js.ic.actualizeCacheForModule
 import org.jetbrains.kotlin.ir.backend.js.ic.buildCache
 import org.jetbrains.kotlin.ir.backend.js.ic.checkCaches
 import org.jetbrains.kotlin.ir.declarations.impl.IrFactoryImpl
@@ -72,6 +73,9 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
         return K2JSCompilerArguments()
     }
 
+    @Suppress("UNUSED_PARAMETER")
+    private fun usePerFileInvalidator(configuration: CompilerConfiguration): Boolean = false
+
     override fun doExecute(
         arguments: K2JSCompilerArguments,
         configuration: CompilerConfiguration,
@@ -201,8 +205,14 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
                 MainModule.Klib(includes)
             }
 
+            val perFileCache = usePerFileInvalidator(configuration)
+
             val start = System.currentTimeMillis()
-            if (buildCache(
+
+            val updated = if (perFileCache) {
+                actualizeCacheForModule(includes, outputFilePath, configuration, libraries, icCaches)
+            } else {
+                buildCache(
                     cachePath = outputFilePath,
                     project = projectJs,
                     mainModule = mainModule,
@@ -211,10 +221,13 @@ class K2JsIrCompiler : CLICompiler<K2JSCompilerArguments>() {
                     friendDependencies = friendLibraries,
                     icCache = checkCaches(libraries, icCaches, skipLib = mainModule.libPath)
                 )
-            ) {
-                messageCollector.report(INFO, "IC cache building duration: ${System.currentTimeMillis() - start}ms")
+            }
+
+            val invalidationType = if (perFileCache) "per-file" else "per-module"
+            if (updated) {
+                messageCollector.report(INFO, "IC $invalidationType cache building duration: ${System.currentTimeMillis() - start}ms")
             } else {
-                messageCollector.report(INFO, "IC cache up-to-date check duration: ${System.currentTimeMillis() - start}ms")
+                messageCollector.report(INFO, "IC $invalidationType cache up-to-date check duration: ${System.currentTimeMillis() - start}ms")
             }
             return OK
         }