--- a/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/model/CodeTreeBuilder.java	Tue Apr 14 15:12:48 2015 +0200
+++ b/graal/com.oracle.truffle.dsl.processor/src/com/oracle/truffle/dsl/processor/java/model/CodeTreeBuilder.java	Tue Apr 14 15:12:48 2015 +0200
@@ -316,6 +316,13 @@
         }
     }
 
+    public CodeTreeBuilder trees(CodeTree... trees) {
+        for (CodeTree tree : trees) {
+            tree(tree);
+        }
+        return this;
+    }
+
     public CodeTreeBuilder string(String chunk1, String chunk2, String chunk3, String chunk4, String... chunks) {
         push(GROUP).string(chunk1).string(chunk2).string(chunk3).string(chunk4);
         for (int i = 0; i < chunks.length; i++) {
@@ -861,4 +868,15 @@
         }
     }
 
+    public CodeTreeBuilder returnDefault() {
+        ExecutableElement method = findMethod();
+        if (ElementUtils.isVoid(method.getReturnType())) {
+            returnStatement();
+        } else {
+            startReturn().defaultValue(method.getReturnType()).end();
+        }
+        return this;
+
+    }
+
 }