Disable completion in repl

idea/idea-repl/idea-repl.iml

@@ -9,6 +9,7 @@
     <orderEntry type="library" name="idea-full" level="project" />
     <orderEntry type="module" module-name="frontend" />
     <orderEntry type="module" module-name="idea-analysis" />
+    <orderEntry type="module" module-name="idea-completion" />
     <orderEntry type="module" module-name="util" />
     <orderEntry type="sourceFolder" forTests="false" />
   </component>

idea/idea-repl/src/org/jetbrains/kotlin/console/KotlinConsoleRunner.kt

@@ -40,6 +40,7 @@ import com.intellij.openapi.editor.markup.TextAttributes
 import com.intellij.openapi.module.Module
 import com.intellij.openapi.project.Project
 import com.intellij.openapi.util.Disposer
+import com.intellij.psi.PsiManager
 import org.jetbrains.annotations.TestOnly
 import org.jetbrains.kotlin.console.actions.BuildAndRestartConsoleAction
 import org.jetbrains.kotlin.console.actions.KtExecuteCommandAction
@@ -51,6 +52,8 @@ import org.jetbrains.kotlin.console.highlight.KotlinHistoryHighlighter
 import org.jetbrains.kotlin.console.highlight.KotlinReplOutputHighlighter
 import org.jetbrains.kotlin.console.highlight.ReplColors
 import org.jetbrains.kotlin.idea.JetLanguage
+import org.jetbrains.kotlin.idea.completion.doNotComplete
+import org.jetbrains.kotlin.psi.JetFile
 import java.awt.Color
 import java.awt.Font
 import kotlin.properties.Delegates
@@ -82,6 +85,8 @@ public class KotlinConsoleRunner(
 
         consoleView.prompt = null
 
+        disableCompletion(consoleView)
+
         val consoleEditor = consoleView.consoleEditor
 
         setupPlaceholder(consoleEditor)
@@ -148,6 +153,12 @@ public class KotlinConsoleRunner(
         editor.setPlaceholderAttributes(placeholderAttrs)
     }
 
+    private fun disableCompletion(consoleView: LanguageConsoleView) {
+        val consoleFile = consoleView.virtualFile
+        val jetFile = PsiManager.getInstance(project).findFile(consoleFile) as? JetFile ?: return
+        jetFile.doNotComplete = true
+    }
+
     fun setupGutters() {
         fun configureEditorGutter(editor: EditorEx, color: Color, iconWithTooltip: IconWithTooltip): RangeHighlighter {
             editor.settings.isLineMarkerAreaShown = true // hack to show gutter