Most of the program's logic seems to be there...

6 files changed, 105 insertions, 42 deletions

diff --git a/instance-calculator/src/Main.java b/instance-calculator/src/Main.java
index 3835c16..b521324 100644
--- a/instance-calculator/src/Main.java
+++ b/instance-calculator/src/Main.java
@@ -35,45 +35,79 @@ public class Main
 
          return;
       }
+
+      create_instances();
    }
 
    private static void create_instances ()
    {
-      /*
-       * FuturCandidates <- All Architecture.
-       * Candidates <- emptyset
-       * Set ProcessedCandidates <- emptyset.
-       *
-       * while (!isEmpty(FuturCandidates))
-       * {
-       *    is_stuck = True;
-       *    Candidates.addAll(FuturCandidates);
-       *    FuturCandidates.setLength(0);
-       *
-       *    while (!isEmpty(candidates))
-       *    {
-       *       a = Candidates.pop();
-       *
-       *       if (a.has_components_not_in(ProcessedCandidates))
-       *       {
-       *          FuturCandidates.push(a);
-       *       }
-       *       else
-       *       {
-       *          is_stuck = False;
-       *
-       *          a.create_instance();
-       *
-       *          ProcessedCandidates.add(a);
-       *       }
-       *    }
-       *
-       *    if (is_stuck)
-       *    {
-       *       Error.
-       *    }
-       * }
-       */
+      final Collection<VHDLEntity> futur_candidates;
+      final Deque<VHDLEntity> candidates;
+      final Collection<VHDLEntity> processed_candidates;
+      boolean is_stuck;
+
+      futur_candidates = new ArrayList<VHDLEntity>();
+      candidates = new ArrayDeque<VHDLEntity>();
+      processed_candidates = new ArrayList<VHDLEntity>();
+
+      futur_candidates.addAll(VHDLEntity.get_all());
+
+      while (!futur_candidates.isEmpty())
+      {
+         is_stuck = true;
+
+         candidates.addAll(futur_candidates);
+         futur_candidates.clear();
+
+         while (!candidates.isEmpty())
+         {
+            final VHDLEntity e;
+            boolean is_ready;
+
+            e = candidates.pop();
+
+            is_ready = true;
+
+            for (final VHDLComponent cmp: e.get_architecture().get_components())
+            {
+               if (!processed_candidates.contains(cmp.get_destination()))
+               {
+                  is_ready = false;
+
+                  break;
+               }
+            }
+
+            if (is_ready)
+            {
+               is_stuck = false;
+
+               e.generate_instance();
+
+               processed_candidates.add(e);
+            }
+            else
+            {
+               futur_candidates.add(e);
+            }
+         }
+
+         if (is_stuck)
+         {
+            System.err.println("[F] Unable to create all the instances...");
+            System.err.println
+            (
+               "[E] The following entites might form a circular dependency:"
+            );
+
+            for (final VHDLEntity e: futur_candidates)
+            {
+               System.err.println("[E] Entity " + e.get_id());
+            }
+
+            System.exit(-1);
+         }
+      }
    }
 
    public static Parameters get_parameters ()
diff --git a/instance-calculator/src/ModelFile.java b/instance-calculator/src/ModelFile.java
index 929c348..b873c3b 100644
--- a/instance-calculator/src/ModelFile.java
+++ b/instance-calculator/src/ModelFile.java
@@ -120,19 +120,19 @@ public class ModelFile
          return false;
       }
 
-      if (input.equals("entity"))
+      if (input[1].equals("entity"))
       {
          VHDLEntity.add_element(input[2]);
       }
-      else if (input.equals("architecture"))
+      else if (input[1].equals("architecture"))
       {
          VHDLArchitecture.add_element(input[2]);
       }
-      else if (input.equals("process"))
+      else if (input[1].equals("process"))
       {
          VHDLProcess.add_element(input[2]);
       }
-      else if (input.equals("component"))
+      else if (input[1].equals("component"))
       {
          VHDLComponent.add_element(input[2]);
       }
diff --git a/instance-calculator/src/Parameters.java b/instance-calculator/src/Parameters.java
index ce5e2cf..e01f912 100644
--- a/instance-calculator/src/Parameters.java
+++ b/instance-calculator/src/Parameters.java
@@ -22,7 +22,7 @@ public class Parameters
 
    public Parameters (final String... args)
    {
-      if (args.length != 4)
+      if (args.length != 3)
       {
          print_usage();
 
@@ -35,8 +35,8 @@ public class Parameters
       else
       {
          model_file = args[0];
-         id_prefix = args[2];
-         output_file = args[3];
+         id_prefix = args[1];
+         output_file = args[2];
          are_valid = true;
       }
    }
diff --git a/instance-calculator/src/VHDLArchitecture.java b/instance-calculator/src/VHDLArchitecture.java
index 0a61a24..09576e3 100644
--- a/instance-calculator/src/VHDLArchitecture.java
+++ b/instance-calculator/src/VHDLArchitecture.java
@@ -87,6 +87,11 @@ public class VHDLArchitecture
       }
    }
 
+   public Collection<VHDLComponent> get_components ()
+   {
+      return components;
+   }
+
    public void add_waveform (final VHDLWaveform wfm)
    {
       if (!waveforms.contains(wfm))
diff --git a/instance-calculator/src/VHDLComponent.java b/instance-calculator/src/VHDLComponent.java
index b0f8de2..6803a57 100644
--- a/instance-calculator/src/VHDLComponent.java
+++ b/instance-calculator/src/VHDLComponent.java
@@ -56,6 +56,11 @@ public class VHDLComponent
       destination = dest;
    }
 
+   public VHDLEntity get_destination ()
+   {
+      return destination;
+   }
+
    public void set_architecture (final VHDLArchitecture arch)
    {
       parent = arch;
diff --git a/instance-calculator/src/VHDLEntity.java b/instance-calculator/src/VHDLEntity.java
index e5ab4eb..7c29e63 100644
--- a/instance-calculator/src/VHDLEntity.java
+++ b/instance-calculator/src/VHDLEntity.java
@@ -9,6 +9,11 @@ public class VHDLEntity
       FROM_ID = new HashMap<String, VHDLEntity>();
    }
 
+   public static Collection<VHDLEntity> get_all ()
+   {
+      return FROM_ID.values();
+   }
+
    public static void add_element (final String id)
    {
       if (!FROM_ID.containsKey(id))
@@ -64,6 +69,11 @@ public class VHDLEntity
       this.waveform_instances = new ArrayList<VHDLWaveform.Instance>();
    }
 
+   public String get_id ()
+   {
+      return id;
+   }
+
    public void add_port (final String pt)
    {
       if (!ports.contains(pt))
@@ -77,6 +87,11 @@ public class VHDLEntity
       architecture = arch;
    }
 
+   public VHDLArchitecture get_architecture ()
+   {
+      return architecture;
+   }
+
    public Collection<VHDLProcess.Instance> get_process_instances ()
    {
       return process_instances;
@@ -86,4 +101,8 @@ public class VHDLEntity
    {
       return waveform_instances;
    }
+
+   public void generate_instance ()
+   {
+   }
 }