don't let invalid fold regions and hyperlink highlights add up on console overflow (IDEA-117120)

platform/lang-impl/src/com/intellij/execution/impl/ConsoleViewImpl.java

@@ -658,6 +658,10 @@ public class ConsoleViewImpl extends JPanel implements ConsoleView, ObservableCo
     final int oldLineCount = document.getLineCount();
     final boolean isAtEndOfDocument = myEditor.getCaretModel().getOffset() == document.getTextLength();
     boolean cycleUsed = myBuffer.isUseCyclicBuffer() && document.getTextLength() + text.length() > myBuffer.getCyclicBufferSize();
+    if (cycleUsed) {
+      clearHyperlinkAndFoldings();
+    }
+    
     CommandProcessor.getInstance().executeCommand(myProject, new Runnable() {
       @Override
       public void run() {
@@ -707,7 +711,6 @@ public class ConsoleViewImpl extends JPanel implements ConsoleView, ObservableCo
     myPsiDisposedCheck.performCheck();
     final int newLineCount = document.getLineCount();
     if (cycleUsed) {
-      clearHyperlinkAndFoldings();
       if (!myInSpareTimeUpdate) {
         myInSpareTimeUpdate = true;
         final EditorNotificationPanel comp = new EditorNotificationPanel() {
@@ -721,7 +724,6 @@ public class ConsoleViewImpl extends JPanel implements ConsoleView, ObservableCo
           @Override
           public void run() {
             try {
-              myHyperlinks.clearHyperlinks();
               clearHyperlinkAndFoldings();
               highlightHyperlinksAndFoldings(0, document.getLineCount() - 1);
             }
@@ -743,15 +745,18 @@ public class ConsoleViewImpl extends JPanel implements ConsoleView, ObservableCo
   }
 
   private void clearHyperlinkAndFoldings() {
-    for (Iterator<RangeHighlighter> it = myHyperlinks.getHyperlinks().keySet().iterator(); it.hasNext();) {
-      if (!it.next().isValid()) {
-        it.remove();
-      }
-    }
+    myHyperlinks.clearHyperlinks();
+    myEditor.getMarkupModel().removeAllHighlighters();
 
     myPendingFoldRegions.clear();
     myFolding.clear();
     myFoldingAlarm.cancelAllRequests();
+    myEditor.getFoldingModel().runBatchFoldingOperation(new Runnable() {
+      @Override
+      public void run() {
+        myEditor.getFoldingModel().clearFoldRegions();
+      }
+    });
 
     cancelHeavyAlarm();
   }

platform/lang-impl/src/com/intellij/injected/editor/FoldingModelWindow.java

@@ -176,4 +176,9 @@ public class FoldingModelWindow implements FoldingModelEx{
   public void rebuild() {
     myDelegate.rebuild();
   }
+
+  @Override
+  public void clearFoldRegions() {
+    myDelegate.clearFoldRegions();
+  }
 }

platform/platform-impl/src/com/intellij/openapi/editor/ex/FoldingModelEx.java

@@ -51,5 +51,7 @@ public interface FoldingModelEx extends FoldingModel {
 
   boolean removeListener(@NotNull FoldingListener listener);
 
+  void clearFoldRegions();
+
   void rebuild();
 }

platform/platform-impl/src/com/intellij/openapi/editor/impl/FoldingModelImpl.java

@@ -287,6 +287,19 @@ public class FoldingModelImpl implements FoldingModelEx, PrioritizedDocumentList
   }
 
   public void dispose() {
+    doClearFoldRegions();
+  }
+
+  @Override
+  public void clearFoldRegions() {
+    if (!myIsBatchFoldingProcessing) {
+      LOG.error("Fold regions must be added or removed inside batchFoldProcessing() only.");
+      return;
+    }
+    doClearFoldRegions();
+  }
+
+  public void doClearFoldRegions() {
     myGroups.clear();
     myFoldTree.clear();
   }