configure limited resolve scope for out-of-sources java classes via ResolveScopeProvider instead of hacking PsiJavaFileImpl (IDEA-143728)

2026-09-27 10:03:11 +07:00 · 2015-09-21 09:56:15 +02:00
parent bdd2371e25
commit de535511f8
3 changed files with 50 additions and 18 deletions
@@ -0,0 +1,49 @@
+/*
+ * Copyright 2000-2015 JetBrains s.r.o.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.intellij.psi.impl.file.impl;
+
+import com.intellij.lang.java.JavaLanguage;
+import com.intellij.openapi.fileTypes.FileType;
+import com.intellij.openapi.fileTypes.LanguageFileType;
+import com.intellij.openapi.project.Project;
+import com.intellij.openapi.roots.ProjectFileIndex;
+import com.intellij.openapi.roots.ProjectRootManager;
+import com.intellij.openapi.vfs.VirtualFile;
+import com.intellij.psi.ResolveScopeProvider;
+import com.intellij.psi.search.GlobalSearchScope;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+/**
+ * Limited resolve scope for all java files in module content, but not under source roots.
+ * For example, java files from test data.
+ * There is still a possibility to modify this scope choice with the ResolveScopeEnlarger.
+ */
+public class JavaOutOfSourcesResolveScopeProvider extends ResolveScopeProvider {
+  @Nullable
+  @Override
+  public GlobalSearchScope getResolveScope(@NotNull VirtualFile file, Project project) {
+    // For java only! For other languages resolve may be implemented with different rules, requiring larger scope.
+    final FileType type = file.getFileType();
+    if (type instanceof LanguageFileType && ((LanguageFileType)type).getLanguage() == JavaLanguage.INSTANCE) {
+      ProjectFileIndex index = ProjectRootManager.getInstance(project).getFileIndex();
+      if (index.isInContent(file) && !index.isInSource(file)) {
+        return GlobalSearchScope.fileScope(project, file);
+      }
+    }
+    return null;
+  }
+}