Convert JetExpressionCodeFragmentImpl to kotlin

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetExpressionCodeFragmentImpl.java

@@ -1,39 +0,0 @@
-/*
- * 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.lang.psi;
-
-import com.intellij.openapi.project.Project;
-import com.intellij.psi.PsiElement;
-import org.jetbrains.annotations.Nullable;
-import org.jetbrains.jet.JetNodeTypes;
-
-public class JetExpressionCodeFragmentImpl extends JetCodeFragmentImpl implements JetExpressionCodeFragment {
-    public JetExpressionCodeFragmentImpl(
-            Project project,
-            String name,
-            CharSequence text,
-            PsiElement context
-    ) {
-        super(project, name, text, JetNodeTypes.EXPRESSION_CODE_FRAGMENT, context);
-    }
-
-    @Override
-    @Nullable
-    public JetExpression getExpression() {
-        return findChildByClass(JetExpression.class);
-    }
-}

compiler/frontend/src/org/jetbrains/jet/lang/psi/JetExpressionCodeFragmentImpl.kt

@@ -0,0 +1,32 @@
+/*
+ * Copyright 2010-2014 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.lang.psi
+
+import com.intellij.openapi.project.Project
+import com.intellij.psi.PsiElement
+import org.jetbrains.annotations.Nullable
+import org.jetbrains.jet.JetNodeTypes
+
+class JetExpressionCodeFragmentImpl(
+        project: Project,
+        name: String,
+        text: CharSequence,
+        context: PsiElement?
+) : JetCodeFragmentImpl(project, name, text, JetNodeTypes.EXPRESSION_CODE_FRAGMENT, context), JetExpressionCodeFragment {
+
+    override fun getExpression() = findChildByClass(javaClass<JetExpression>())
+}