3 files changed, 24 insertions, 13 deletions
diff --git a/ast-to-instr/src/Main.java b/ast-to-instr/src/Main.java
index 0e24f57..4f33ae1 100644
--- a/ast-to-instr/src/Main.java
+++ b/ast-to-instr/src/Main.java
@@ -55,11 +55,7 @@ public class Main
          return;
       }
 
-      MAIN_OUTPUT =
-         OutputFile.new_output_file
-         (
-            PARAMETERS.get_main_output_filename()
-         );
+      MAIN_OUTPUT = OutputFile.new_output_file("structural.mod");
 
       try
       {
@@ -176,4 +172,9 @@ public class Main
    {
       return MAIN_OUTPUT;
    }
+
+   public static Parameters get_parameters ()
+   {
+      return PARAMETERS;
+   }
 }
diff --git a/ast-to-instr/src/OutputFile.java b/ast-to-instr/src/OutputFile.java
index 42a6ad5..201ca2b 100644
--- a/ast-to-instr/src/OutputFile.java
+++ b/ast-to-instr/src/OutputFile.java
@@ -26,7 +26,13 @@ public class OutputFile
    {
       final OutputFile result;
 
-      result = new OutputFile(filename);
+      result =
+         new OutputFile
+         (
+            Main.get_parameters().get_output_directory()
+            + "/"
+            + filename
+         );
 
       ALL_OUTPUT_FILES.add(result);
 
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 ()