IDEA-63490 TODO statement in javadocs is only recognized when //-commented TODO is present

plugins/groovy/src/org/jetbrains/plugins/groovy/highlighter/GroovyTodoIndexer.java

@@ -0,0 +1,35 @@
+/*
+ * Copyright 2000-2011 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.plugins.groovy.highlighter;
+
+import com.intellij.lexer.FilterLexer;
+import com.intellij.lexer.Lexer;
+import com.intellij.psi.impl.cache.impl.todo.LexerBasedTodoIndexer;
+import com.intellij.psi.impl.cache.impl.todo.TodoOccurrenceConsumer;
+import org.jetbrains.plugins.groovy.lang.lexer.GroovyFilterLexer;
+import org.jetbrains.plugins.groovy.lang.lexer.GroovyLexer;
+import org.jetbrains.plugins.groovy.lang.lexer.GroovyTokenTypes;
+
+/**
+ * @author Maxim.Medvedev
+ */
+public class GroovyTodoIndexer extends LexerBasedTodoIndexer {
+  @Override
+  protected Lexer createLexer(TodoOccurrenceConsumer consumer) {
+    final GroovyFilterLexer groovyFilterLexer = new GroovyFilterLexer(new GroovyLexer(), consumer);
+    return new FilterLexer(groovyFilterLexer, new FilterLexer.SetFilter(GroovyTokenTypes.WHITE_SPACES_OR_COMMENTS));
+  }
+}