KT-3161 JetCommenter implementation stub

idea/src/org/jetbrains/jet/plugin/JetCommenter.java

@@ -16,9 +16,12 @@
 
 package org.jetbrains.jet.plugin;
 
-import com.intellij.lang.Commenter;
+import com.intellij.lang.CodeDocumentationAwareCommenter;
+import com.intellij.psi.PsiComment;
+import com.intellij.psi.tree.IElementType;
+import org.jetbrains.jet.lexer.JetTokens;
 
-public class JetCommenter implements Commenter {
+public class JetCommenter implements CodeDocumentationAwareCommenter {
     @Override
     public String getLineCommentPrefix() {
         return "//";
@@ -43,4 +46,39 @@ public class JetCommenter implements Commenter {
     public String getCommentedBlockCommentSuffix() {
         return null;
     }
+
+    @Override
+    public IElementType getLineCommentTokenType() {
+        return JetTokens.EOL_COMMENT;
+    }
+
+    @Override
+    public IElementType getBlockCommentTokenType() {
+        return JetTokens.BLOCK_COMMENT;
+    }
+
+    @Override
+    public IElementType getDocumentationCommentTokenType() {
+        return JetTokens.DOC_COMMENT;
+    }
+
+    @Override
+    public String getDocumentationCommentPrefix() {
+        return "/**";
+    }
+
+    @Override
+    public String getDocumentationCommentLinePrefix() {
+        return "*";
+    }
+
+    @Override
+    public String getDocumentationCommentSuffix() {
+        return "*/";
+    }
+
+    @Override
+    public boolean isDocumentationComment(PsiComment element) {
+        return element.getTokenType().equals(JetTokens.DOC_COMMENT);
+    }
 }

idea/testData/editor/commenter/generateDocComment.kt

@@ -0,0 +1,2 @@
+/**<caret>
+fun test() = 0

idea/testData/editor/commenter/generateDocComment_after.kt

@@ -0,0 +1,4 @@
+/**
+ * <caret>
+ */
+fun test() = 0

idea/testData/editor/commenter/newLineInComment.kt

@@ -0,0 +1,4 @@
+/**
+ * x<caret>
+ */
+fun test() = 0

idea/testData/editor/commenter/newLineInComment_after.kt

@@ -0,0 +1,5 @@
+/**
+ * x
+ * <caret>
+ */
+fun test() = 0

idea/tests/org/jetbrains/jet/editor/JetCommenterTest.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2010-2013 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.jet.editor;
+
+import com.intellij.openapi.util.io.FileUtil;
+import com.intellij.openapi.util.text.StringUtil;
+import com.intellij.testFramework.EditorTestUtil;
+import com.intellij.testFramework.LightCodeInsightTestCase;
+import org.jetbrains.jet.plugin.PluginTestCaseBase;
+
+import java.io.File;
+
+public class JetCommenterTest  extends LightCodeInsightTestCase {
+    private static final String BASE_PATH =
+            new File(PluginTestCaseBase.getTestDataPathBase(), "/editor/commenter/").getAbsolutePath();
+
+    public void testGenerateDocComment() throws Exception {
+        doNewLineTypingTest();
+    }
+
+    public void testNewLineInComment() throws Exception {
+        doNewLineTypingTest();
+    }
+
+    private void doNewLineTypingTest() throws Exception {
+        configure();
+        EditorTestUtil.performTypingAction(getEditor(), '\n');
+        check();
+    }
+
+    private void configure() throws Exception {
+        configureFromFileText("a.kt", loadFile(getTestName(false) + ".kt"));
+    }
+
+    private void check() throws Exception {
+        checkResultByText(loadFile(getTestName(false) + "_after.kt"));
+    }
+
+    protected static String loadFile(String name) throws Exception {
+        String text = FileUtil.loadFile(new File(BASE_PATH, name));
+        text = StringUtil.convertLineSeparators(text);
+        return text;
+    }
+}