make trigram index psi dependent

GitOrigin-RevId: 44cccc22ef3c973c95df830701ecfc54ae8cbdca

platform/indexing-api/src/com/intellij/util/indexing/DocumentChangeDependentIndex.java

@@ -1,14 +0,0 @@
-// Copyright 2000-2019 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE file.
-package com.intellij.util.indexing;
-
-import org.jetbrains.annotations.ApiStatus;
-
-/**
- * Marker interface of index that use document changes to update it's data. These indices shouldn't depend on PSI-related stuff.
- *
- * Note, every {@link FileBasedIndexExtension} where {@link FileBasedIndexExtension#dependsOnFileContent()} returns false is treated as document change dependent.
- */
-@ApiStatus.Experimental
-public interface DocumentChangeDependentIndex {
-
-}

platform/indexing-api/src/com/intellij/util/indexing/PsiDependentIndex.java

@@ -18,7 +18,7 @@ package com.intellij.util.indexing;
 /**
  * Marker interface of index that is built from PSI, meaning its invalidation will happen upon producing new PSI.
  *
- * @deprecated by default all content-aware indices are PSI dependent. Use {@link DocumentChangeDependentIndex} to make index PSI-independent (since 2019.2)
+ * @deprecated by default all content-aware indices are PSI dependent.
  */
 @Deprecated
 public interface PsiDependentIndex {

platform/lang-impl/src/com/intellij/find/impl/FindInProjectTask.java

@@ -108,7 +108,10 @@ class FindInProjectTask {
     try {
       myProgress.setIndeterminate(true);
       myProgress.setText(FindBundle.message("progress.text.scanning.indexed.files"));
-      Set<VirtualFile> filesForFastWordSearch = ReadAction.nonBlocking(this::getFilesForFastWordSearch).executeSynchronously();
+      Set<VirtualFile> filesForFastWordSearch = ReadAction
+        .nonBlocking(this::getFilesForFastWordSearch)
+        .withDocumentsCommitted(myProject)
+        .executeSynchronously();
       myProgress.setIndeterminate(false);
       if (LOG.isDebugEnabled()) {
         LOG.debug("Searching for " + myFindModel.getStringToFind() + " in " + filesForFastWordSearch.size() + " indexed files");

platform/lang-impl/src/com/intellij/find/ngrams/TrigramIndex.java

@@ -19,8 +19,7 @@ import java.io.DataOutput;
 import java.io.IOException;
 import java.util.*;
 
-public final class TrigramIndex extends ScalarIndexExtension<Integer> implements CustomInputsIndexFileBasedIndexExtension<Integer>,
-                                                                           DocumentChangeDependentIndex {
+public final class TrigramIndex extends ScalarIndexExtension<Integer> implements CustomInputsIndexFileBasedIndexExtension<Integer> {
   /**
    * @deprecated not used anymore, always enabled
    */

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

@@ -1821,8 +1821,7 @@ public final class FileBasedIndexImpl extends FileBasedIndexEx {
   public static boolean isPsiDependentIndex(@NotNull IndexExtension<?, ?, ?> extension) {
     if (INDICES_ARE_PSI_DEPENDENT_BY_DEFAULT) {
       return extension instanceof FileBasedIndexExtension &&
-             ((FileBasedIndexExtension<?, ?>)extension).dependsOnFileContent() &&
-             !(extension instanceof DocumentChangeDependentIndex);
+             ((FileBasedIndexExtension<?, ?>)extension).dependsOnFileContent();
     }
     else {
       return extension instanceof PsiDependentIndex;