Progress messages when emitting classfiles

compiler/util/src/org/jetbrains/jet/utils/PathUtil.java

@@ -17,7 +17,7 @@
 /*
  * @author max
  */
-package org.jetbrains.jet.plugin.compiler;
+package org.jetbrains.jet.utils;
 
 import com.intellij.openapi.application.PathManager;
 import com.intellij.openapi.vfs.VirtualFile;

compiler/util/src/org/jetbrains/jet/utils/Progress.java

@@ -0,0 +1,29 @@
+/*
+ * Copyright 2010-2012 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.
+ */
+
+/*
+ * @author max
+ */
+package org.jetbrains.jet.utils;
+
+public interface Progress {
+    Progress DEAF = new Progress() {
+        @Override
+        public void log(String message) {
+        }
+    };
+    void log(String message);
+}