violet: initial implementation

src/nfagraph/ng_literal_component.cpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, Intel Corporation
+ * Copyright (c) 2015-2016, Intel Corporation
  *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions are met:
@@ -186,7 +186,7 @@ bool splitOffLiteral(NG &ng, NGWrapper &g, NFAVertex v, const bool anchored,
 
 /** \brief Split off literals. True if any changes were made to the graph. */
 bool splitOffLiterals(NG &ng, NGWrapper &g) {
-    if (!ng.cc.grey.allowRose) {
+    if (!ng.cc.grey.allowLiteral) {
         return false;
     }