From f627e2ebf25b3e6a26361ec5403b9f5485e3d487 Mon Sep 17 00:00:00 2001
From: Sergey Simonchik <sergey.simonchik@jetbrains.com>
Date: Fri, 26 Jun 2015 16:30:16 +0300
Subject: [PATCH] coverage: ability to avoid traversing library roots

---
 .../com/intellij/coverage/SimpleCoverageAnnotator.java | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/plugins/coverage-common/src/com/intellij/coverage/SimpleCoverageAnnotator.java b/plugins/coverage-common/src/com/intellij/coverage/SimpleCoverageAnnotator.java
index 82c4e717ba22..d0cbba803fbf 100644
--- a/plugins/coverage-common/src/com/intellij/coverage/SimpleCoverageAnnotator.java
+++ b/plugins/coverage-common/src/com/intellij/coverage/SimpleCoverageAnnotator.java
@@ -181,6 +181,11 @@ public abstract class SimpleCoverageAnnotator extends BaseCoverageAnnotator {
       return null;
     }
 
+    if (!shouldCollectCoverageInsideLibraryDirs()) {
+      if (index.isInLibrarySource(dir) || index.isInLibraryClasses(dir)) {
+        return null;
+      }
+    }
     visitedDirs.add(dir);
 
     final boolean isInTestSrcContent = index.isInTestSourceContent(dir);
@@ -252,6 +257,11 @@ public abstract class SimpleCoverageAnnotator extends BaseCoverageAnnotator {
     return dirCoverageInfo;
   }
 
+  protected boolean shouldCollectCoverageInsideLibraryDirs() {
+    // By default returns "true" for backward compatibility
+    return true;
+  }
+
   public void annotate(@NotNull final VirtualFile contentRoot,
                        @NotNull final CoverageSuitesBundle suite,
                        final @NotNull CoverageDataManager dataManager, @NotNull final ProjectData data,
-- 
2.32.0