"Go to class / symbol / super" & type aliases

idea/idea-analysis/src/org/jetbrains/kotlin/idea/stubindex/IdeStubIndexService.java

@@ -144,7 +144,10 @@ public class IdeStubIndexService extends StubIndexService {
 
     @Override
     public void indexTypeAlias(KotlinTypeAliasStub stub, IndexSink sink) {
-        // TODO short name index for type aliases?
+        String name = stub.getName();
+        if (name != null) {
+            sink.occurrence(KotlinTypeAliasShortNameIndex.getInstance().getKey(), name);
+        }
 
         if (stub.isTopLevel()) {
             FqName fqName = stub.getFqName();

idea/idea-analysis/src/org/jetbrains/kotlin/idea/stubindex/KotlinTypeAliasShortNameIndex.java

@@ -0,0 +1,52 @@
+/*
+ * Copyright 2010-2016 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 org.jetbrains.kotlin.idea.stubindex;
+
+import com.intellij.openapi.project.Project;
+import com.intellij.psi.search.GlobalSearchScope;
+import com.intellij.psi.stubs.StringStubIndexExtension;
+import com.intellij.psi.stubs.StubIndex;
+import com.intellij.psi.stubs.StubIndexKey;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.kotlin.psi.KtProperty;
+import org.jetbrains.kotlin.psi.KtTypeAlias;
+
+import java.util.Collection;
+
+public class KotlinTypeAliasShortNameIndex extends StringStubIndexExtension<KtTypeAlias> {
+    private static final StubIndexKey<String, KtTypeAlias> KEY = KotlinIndexUtil.createIndexKey(KotlinTypeAliasShortNameIndex.class);
+
+    private static final KotlinTypeAliasShortNameIndex ourInstance = new KotlinTypeAliasShortNameIndex();
+
+    public static KotlinTypeAliasShortNameIndex getInstance() {
+        return ourInstance;
+    }
+
+    private KotlinTypeAliasShortNameIndex() {}
+
+    @NotNull
+    @Override
+    public StubIndexKey<String, KtTypeAlias> getKey() {
+        return KEY;
+    }
+
+    @NotNull
+    @Override
+    public Collection<KtTypeAlias> get(@NotNull String s, @NotNull Project project, @NotNull GlobalSearchScope scope) {
+        return StubIndex.getElements(KEY, s, project, scope, KtTypeAlias.class);
+    }
+}