Starting a Java implementation of ast-to-instr.

Keeping things clean, this time.

1 files changed, 112 insertions, 0 deletions

diff --git a/ast-to-instr/src/VHDLFile.java b/ast-to-instr/src/VHDLFile.java
new file mode 100644
index 0000000..beef2fe
--- /dev/null
+++ b/ast-to-instr/src/VHDLFile.java
@@ -0,0 +1,112 @@
+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.ArrayList;
+import java.util.Collection;
+
+public class VHDLFile extends ParsableXML
+{
+   private static final XPathExpression GET_ENTITIES;
+
+   static
+   {
+      GET_ENTITIES = null;
+      /* TODO
+         Main.get_xpath().compile
+         (
+         );
+      */
+       //     "./*/*/library_unit[@kind=\"entity_declaration\"]"
+   }
+
+   public VHDLFile
+   (
+      final IDs parent_id,
+      final Node xml_node
+   )
+   {
+      super(parent_id, xml_node);
+   }
+
+   @Override
+   public Collection<ParsableXML> parse ()
+   throws XPathExpressionException
+   {
+      final Collection<ParsableXML> result;
+      final String xml_id;
+      final IDs local_id;
+
+      result = new ArrayList<ParsableXML>();
+
+      xml_id = null; /* TODO: elem.attrib.get("id") */
+
+      local_id = IDs.get_id_from_xml_id(xml_id, "file");
+
+      /** Functions ***********************************************************/
+      handle_function_filename(local_id);
+
+      /** Predicates **********************************************************/
+
+      /** Children ************************************************************/
+      result.addAll(handle_child_entities(local_id));
+      result.addAll(handle_child_architectures(local_id));
+
+      return null;
+   }
+
+   private void handle_function_filename
+   (
+      final IDs local_id
+   )
+   {
+      final IDs params[];
+
+      params =
+         new IDs[]
+         {
+            local_id,
+            Strings.get_id_from_string
+            (
+               null /* TODO: get attribute */
+            )
+         };
+
+      /* Functions.add_entry("filename", params); */
+   }
+
+   private Collection<ParsableXML> handle_child_entities
+   (
+      final IDs local_id
+   )
+   throws XPathExpressionException
+   {
+      final Collection<ParsableXML> result;
+      final NodeList entities;
+
+      entities =
+         (NodeList) GET_ENTITIES.evaluate
+         (
+            xml_node,
+            XPathConstants.NODESET
+         );
+
+      /* TODO */
+      return null;
+   }
+
+   private Collection<ParsableXML> handle_child_architectures
+   (
+      final IDs local_id
+   )
+   throws XPathExpressionException
+   {
+      final Collection<ParsableXML> result;
+
+      /* TODO */
+      return null;
+   }
+}