1 files changed, 133 insertions, 0 deletions
diff --git a/ast-to-instr/src/Main.java b/ast-to-instr/src/Main.java
index e69de29..1193f52 100644
--- a/ast-to-instr/src/Main.java
+++ b/ast-to-instr/src/Main.java
@@ -0,0 +1,133 @@
+import org.w3c.dom.Document;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpression;
+import javax.xml.xpath.XPathExpressionException;
+
+import java.util.Collection;
+import java.util.Stack;
+
+public class Main
+{
+   private static final XPathExpression XPE_FIND_ALL_VHDL_FILES;
+   private static Parameters PARAMETERS;
+
+   static
+   {
+      XPathExpression xpe;
+
+      try
+      {
+         xpe = XMLManager.compile("./*/*/el[@kind=\"design_file\"][@file]");
+      }
+      catch (final XPathExpressionException xpee)
+      {
+         xpe = null;
+
+         System.err.println
+         (
+            "[P] Invalid XPath expression (report as bug):"
+         );
+
+         xpee.printStackTrace();
+      }
+
+      XPE_FIND_ALL_VHDL_FILES = xpe;
+   }
+
+   public static void main (final String... args)
+   {
+      final Document root;
+      final Collection<Node> vhdl_files;
+
+      PARAMETERS = new Parameters(args);
+
+      if (!PARAMETERS.are_valid())
+      {
+         return;
+      }
+
+      try
+      {
+         root = XMLManager.get_document(PARAMETERS.get_xml_file());
+      }
+      catch (final Exception e)
+      {
+         System.err.println
+         (
+            "[E] Could not load XML file \""
+            + PARAMETERS.get_xml_file()
+            + "\":"
+         );
+
+         e.printStackTrace();
+
+         return;
+      }
+
+      try
+      {
+         vhdl_files =
+            XMLManager.node_list_to_node_collection
+            (
+               (NodeList) XPE_FIND_ALL_VHDL_FILES.evaluate
+               (
+                  root,
+                  XPathConstants.NODESET
+               )
+            );
+      }
+      catch (final XPathExpressionException xpee)
+      {
+         System.err.println
+         (
+            "[E] Something went wrong when looking for the VHDL files:"
+         );
+
+         xpee.printStackTrace();
+
+         return;
+      }
+   }
+
+   private static void parse_content (final Collection<Node> vhdl_files)
+   {
+      /* Stack highly recommended over FIFO (you don't want to grow large). */
+      final Stack<ParsableXML> waiting_list;
+
+      waiting_list = new Stack<ParsableXML>();
+
+      for (final Node f: vhdl_files)
+      {
+         waiting_list.push(new VHDLFile(null, f));
+      }
+
+      while (!waiting_list.isEmpty())
+      {
+         final Collection<ParsableXML> children;
+
+         try
+         {
+            children = waiting_list.pop().parse();
+         }
+         catch (final XPathExpressionException xpee)
+         {
+            System.err.println
+            (
+               "[E] Something went wrong while parsing the XML file:"
+            );
+
+            xpee.printStackTrace();
+
+            return;
+         }
+
+         for (final ParsableXML c: children)
+         {
+            waiting_list.push(c);
+         }
+      }
+   }
+}