From d3a75499859eea47cdbe167ddcf39e8209dc19cd Mon Sep 17 00:00:00 2001
From: peter <peter@jetbrains.com>
Date: Mon, 17 Dec 2018 16:24:04 +0100
Subject: [PATCH] a bit more cancellability when calculating directories for
 package (IDEA-204341)

---
 .../com/intellij/openapi/roots/impl/PackageDirectoryCache.java   | 1 +
 1 file changed, 1 insertion(+)

diff --git a/platform/core-impl/src/com/intellij/openapi/roots/impl/PackageDirectoryCache.java b/platform/core-impl/src/com/intellij/openapi/roots/impl/PackageDirectoryCache.java
index fca21a813cbf..f861fc1dc40f 100644
--- a/platform/core-impl/src/com/intellij/openapi/roots/impl/PackageDirectoryCache.java
+++ b/platform/core-impl/src/com/intellij/openapi/roots/impl/PackageDirectoryCache.java
@@ -144,6 +144,7 @@ public class PackageDirectoryCache {
       protected MultiMap<String, VirtualFile> compute() {
         MultiMap<String, VirtualFile> result = MultiMap.createLinked();
         for (VirtualFile directory : myPackageDirectories) {
+          ProgressManager.checkCanceled();
           for (VirtualFile child : directory.getChildren()) {
             String childName = child.getName();
             String packageName = myQname.isEmpty() ? childName : myQname + "." + childName;