Fix some compatibility issues

3 files changed, 11 insertions, 22 deletions

diff --git a/sd-plugin/src/main/java/org/intellij/sdk/language/SdChooseByNameContributor.java b/sd-plugin/src/main/java/org/intellij/sdk/language/SdChooseByNameContributor.java
index f313bb2be59..92eda44a569 100644
--- a/sd-plugin/src/main/java/org/intellij/sdk/language/SdChooseByNameContributor.java
+++ b/sd-plugin/src/main/java/org/intellij/sdk/language/SdChooseByNameContributor.java
@@ -8,7 +8,6 @@ import com.intellij.openapi.vfs.VirtualFile;
 import com.intellij.psi.PsiManager;
 import com.intellij.psi.search.FileTypeIndex;
 import com.intellij.psi.search.GlobalSearchScope;
-import com.intellij.util.indexing.FileBasedIndex;
 import org.intellij.sdk.language.psi.SdDeclaration;
 import org.intellij.sdk.language.psi.SdFile;
 import org.jetbrains.annotations.NotNull;
@@ -25,11 +24,7 @@ public class SdChooseByNameContributor implements ChooseByNameContributor {
     
     @Override
     public String @NotNull [] getNames(Project project, boolean includeNonProjectItems) {
-        Collection<VirtualFile> virtualFiles = FileBasedIndex.getInstance().getContainingFiles(
-            FileTypeIndex.NAME,
-            SdFileType.INSTANCE,
-            GlobalSearchScope.allScope(project)
-        );
+        Collection<VirtualFile> virtualFiles = FileTypeIndex.getFiles(SdFileType.INSTANCE, GlobalSearchScope.allScope(project));
         
         List<SdDeclaration> declarations = new ArrayList<>();
         
@@ -47,11 +42,7 @@ public class SdChooseByNameContributor implements ChooseByNameContributor {
     
     @Override
     public NavigationItem @NotNull [] getItemsByName(String name, String pattern, Project project, boolean includeNonProjectItems) {
-        Collection<VirtualFile> virtualFiles = FileBasedIndex.getInstance().getContainingFiles(
-            FileTypeIndex.NAME,
-            SdFileType.INSTANCE,
-            GlobalSearchScope.allScope(project)
-        );
+        Collection<VirtualFile> virtualFiles = FileTypeIndex.getFiles(SdFileType.INSTANCE, GlobalSearchScope.allScope(project));
         
         List<SdDeclaration> declarations = new ArrayList<>();
         
diff --git a/sd-plugin/src/main/java/org/intellij/sdk/language/SdUtil.java b/sd-plugin/src/main/java/org/intellij/sdk/language/SdUtil.java
index 92e7c9e6f85..a2f55bd30ed 100644
--- a/sd-plugin/src/main/java/org/intellij/sdk/language/SdUtil.java
+++ b/sd-plugin/src/main/java/org/intellij/sdk/language/SdUtil.java
@@ -11,7 +11,6 @@ import com.intellij.psi.PsiReference;
 import com.intellij.psi.search.FileTypeIndex;
 import com.intellij.psi.search.GlobalSearchScope;
 import com.intellij.psi.util.PsiTreeUtil;
-import com.intellij.util.indexing.FileBasedIndex;
 import org.intellij.sdk.language.psi.SdAnnotationFieldDefinition;
 import org.intellij.sdk.language.psi.SdArgumentDefinition;
 import org.intellij.sdk.language.psi.SdDeclaration;
@@ -75,8 +74,8 @@ public class SdUtil {
             }
         }
         SdIdentifier ancestorIdentifier = (SdIdentifier) ancestorAST.getPsi();
-        return ancestorIdentifier.getReference().resolve();
-        
+        PsiReference ref = ancestorIdentifier.getReference();
+        return ref != null ? ref.resolve() : null;
     }
     
     public static String createFunctionDescription(SdFunctionDefinition macro) {
@@ -128,12 +127,9 @@ public class SdUtil {
             if (docName == null) {
                 return result;
             }
-            
-            Collection<VirtualFile> virtualFiles = FileBasedIndex.getInstance().getContainingFiles(
-                FileTypeIndex.NAME,
-                SdFileType.INSTANCE,
-                GlobalSearchScope.allScope(project)
-            );
+    
+            Collection<VirtualFile> virtualFiles = FileTypeIndex.getFiles(SdFileType.INSTANCE, GlobalSearchScope.allScope(project));
+
             for (VirtualFile vfile : virtualFiles) {
                 SdFile sdFile = (SdFile) PsiManager.getInstance(project).findFile(vfile);
                 if (sdFile != null && !sdFile.getName().equals(docName + ".sd")) {
@@ -166,7 +162,7 @@ public class SdUtil {
             PsiElement curRankProfile = PsiTreeUtil.getParentOfType(element, SdRankProfileDefinition.class);
             while (curRankProfile != null) {
                 for (SdFunctionDefinition macro : PsiTreeUtil.collectElementsOfType(curRankProfile, SdFunctionDefinition.class)) {
-                    if (macro.getName().equals(name)) {
+                    if (macro.getName() != null && macro.getName().equals(name)) {
                         result.add(macro);
                         return result;
                     }
diff --git a/sd-plugin/src/main/java/org/intellij/sdk/language/findUsages/SdUsageGroup.java b/sd-plugin/src/main/java/org/intellij/sdk/language/findUsages/SdUsageGroup.java
index 9042be84d75..4c700c64a73 100644
--- a/sd-plugin/src/main/java/org/intellij/sdk/language/findUsages/SdUsageGroup.java
+++ b/sd-plugin/src/main/java/org/intellij/sdk/language/findUsages/SdUsageGroup.java
@@ -3,7 +3,6 @@ package org.intellij.sdk.language.findUsages;
 
 import com.intellij.navigation.ItemPresentation;
 import com.intellij.navigation.NavigationItemFileStatus;
-import com.intellij.openapi.util.NlsSafe;
 import com.intellij.openapi.util.text.StringUtil;
 import com.intellij.openapi.vcs.FileStatus;
 import com.intellij.openapi.vfs.VirtualFile;
@@ -91,4 +90,7 @@ public class SdUsageGroup implements UsageGroup {
     public @Nullable Icon getIcon() {
         return myIcon;
     }
+    
+    @Override
+    public void update() {} // here because JetBrains asked
 }