1 files changed, 11 insertions, 7 deletions

diff --git a/ast-to-instr/src/Parameters.java b/ast-to-instr/src/Parameters.java
index 0407bb4..a7552d8 100644
--- a/ast-to-instr/src/Parameters.java
+++ b/ast-to-instr/src/Parameters.java
@@ -4,6 +4,7 @@ import java.util.ArrayList;
 public class Parameters
 {
    private final String xml_file;
+   private final String output_dir;
 
    private final boolean are_valid;
 
@@ -13,27 +14,30 @@ public class Parameters
       (
          "AST-to-Instr\n"
          + "USAGE:\n"
-         + "\tjava Main <XML_FILE>\n"
+         + "\tjava Main <XML_FILE> <OUTPUT_DIR>\n"
          + "PARAMETERS:\n"
-         + "\t- <XML_FILE>\tThe AST (XML format)."
+         + "\t- <XML_FILE>\tThe AST (XML format).\n"
+         + "\t- <OUTPUT_DIR>\tThe output directory (must already exist)."
       );
    }
 
    public Parameters (String... args)
    {
-      if (args.length != 1)
+      if (args.length != 2)
       {
          print_usage();
 
          xml_file = new String();
+         output_dir = new String();
          are_valid = false;
 
          return;
       }
 
-      are_valid = true;
-
       xml_file = args[0];
+      output_dir = args[1];
+
+      are_valid = true;
    }
 
    public String get_xml_file ()
@@ -41,9 +45,9 @@ public class Parameters
       return xml_file;
    }
 
-   public String get_main_output_filename()
+   public String get_output_directory ()
    {
-      return "structural.mod";
+      return output_dir;
    }
 
    public boolean are_valid ()