generate bytecode for script

It is just prototype

* does not make top level symbols visible as class members yet
* does not take parameters
* Script class name is hardcoded now

compiler/tests/org/jetbrains/jet/codegen/ScriptGenTest.java

@@ -0,0 +1,45 @@
+/*
+ * 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.
+ */
+
+package org.jetbrains.jet.codegen;
+
+import org.jetbrains.jet.lang.resolve.java.CompilerSpecialMode;
+
+/**
+ * @author Stepan Koltsov
+ */
+public class ScriptGenTest extends CodegenTestCase {
+
+    @Override
+    protected void setUp() throws Exception {
+        super.setUp();
+        createEnvironmentWithMockJdkAndIdeaAnnotations(CompilerSpecialMode.ALT_HEADERS);
+    }
+
+    public void testHelloWorld() {
+        blackBoxFile("script/helloWorld.ktscript");
+    }
+
+    public void testString() {
+        blackBoxFile("script/string.ktscript");
+    }
+
+    public void testTopLevelFunction() {
+        blackBoxFile("script/topLevelFunction.ktscript");
+        // TODO: check function is visible as instance field (it is currently not)
+    }
+
+}