1 files changed, 31 insertions, 14 deletions

diff --git a/cfg-to-paths/src/Parameters.java b/cfg-to-paths/src/Parameters.java
index 8d0331b..710b1f7 100644
--- a/cfg-to-paths/src/Parameters.java
+++ b/cfg-to-paths/src/Parameters.java
@@ -1,7 +1,9 @@
 public class Parameters
 {
-   private final String levels_dir;
    private final String model_file;
+   private final String root_node;
+   private final String id_prefix;
+   private final String output_file;
    private final boolean are_valid;
 
    public static void print_usage ()
@@ -10,42 +12,57 @@ public class Parameters
       (
          "Instr-to-kodkod\n"
          + "USAGE:\n"
-         + "\tjava Main <LEVELS_DIR> <INSTRUCTIONS>\n"
+         + "\tjava Main <INSTRUCTIONS> <ROOT_NODE> <ID_PREFIX> <OUTPUT_FILE>\n"
          + "PARAMETERS:\n"
-         + "\t<LEVELS_DIR>\tDirectory containing the level definitions.\n"
          + "\t<INSTRUCTIONS>\tInstruction file describing the model.\n"
-         + "NOTES:\n"
-         + "\tThe properties to be verified still have to be hand coded in the"
-         + "source files (in Main.java)."
+         + "\t<ROOT_NODE>\tID of the root node for this DAG.\n"
+         + "\t<ID_PREFIX>\tPrefix for the IDs of generated paths.\n"
+         + "\t<OUTPUT_FILE>\tFile in which to output the generated"
+         + " instructions."
       );
    }
 
    public Parameters (String... args)
    {
-      if (args.length != 2)
+      if (args.length != 4)
       {
          print_usage();
 
-         levels_dir = new String();
          model_file = new String();
+         root_node = new String();
+         id_prefix = new String();
+         output_file = new String();
+
          are_valid = false;
       }
       else
       {
-         levels_dir = args[0];
-         model_file = args[1];
+         model_file = args[0];
+         root_node = args[1];
+         id_prefix = args[2];
+         output_file = args[3];
          are_valid = true;
       }
    }
 
-   public String get_levels_directory ()
+   public String get_model_file ()
    {
-      return levels_dir;
+      return model_file;
    }
 
-   public String get_model_file ()
+   public String get_root_node ()
    {
-      return model_file;
+      return root_node;
+   }
+
+   public String get_id_prefix ()
+   {
+      return id_prefix;
+   }
+
+   public String get_output_file ()
+   {
+      return output_file;
    }
 
    public boolean are_valid ()