[jeka] Do not try to build stubs for too large files

platform/lang-impl/src/com/intellij/psi/SingleRootFileViewProvider.java

@@ -257,6 +257,11 @@ public class SingleRootFileViewProvider extends UserDataHolderBase implements Fi
     return fileSizeIsGreaterThan(vFile, PersistentFS.MAX_INTELLISENSE_FILESIZE);
   }
 
+  public static boolean isTooLarge(final VirtualFile vFile, final long contentSize) {
+    if (Boolean.TRUE.equals(vFile.getUserData(ourNoSizeLimitKey))) return false;
+    return contentSize > PersistentFS.MAX_INTELLISENSE_FILESIZE;
+  }
+
   private static boolean fileSizeIsGreaterThan(final VirtualFile vFile, final long maxInBytes) {
     if (vFile instanceof LightVirtualFile) {
       // This is optimization in order to avoid conversion of [large] file contents to bytes

platform/lang-impl/src/com/intellij/util/indexing/FileBasedIndex.java

@@ -1163,7 +1163,12 @@ public class FileBasedIndex implements ApplicationComponent {
       ProgressManager.getInstance().executeNonCancelableSection(new Runnable() {
         public void run() {
           try {
-            final FileContent newFc = new FileContent(vFile, content.getText(), vFile.getCharset());
+            final String contentText = content.getText();
+            if (isTooLarge(vFile, contentText.length())) {
+              return;
+            }
+
+            final FileContent newFc = new FileContent(vFile, contentText, vFile.getCharset());
 
             if (dominantContentFile != null) {
               dominantContentFile.putUserData(PsiFileImpl.BUILDING_STUB, true);
@@ -1820,6 +1825,14 @@ public class FileBasedIndex implements ApplicationComponent {
     return false;
   }
 
+  private boolean isTooLarge(VirtualFile file, long contentSize) {
+    if (SingleRootFileViewProvider.isTooLarge(file, contentSize)) {
+      final FileType type = FileTypeManager.getInstance().getFileTypeByFile(file);
+      return !myNoLimitCheckTypes.contains(type);
+    }
+    return false;
+  }
+
   public CollectingContentIterator createContentIterator() {
     return new UnindexedFilesFinder();
   }