Manage pads for external components in CRL::GdsParser.

* New: In CRM::GdsSteam::makeExternals(), now take into accounts Pad
    for Net external components. Also delete the original components
    after creating the copy in the right Net.
      So now the PLL terminals are correctly seen.

crlcore/src/ccore/gds/GdsParser.cpp

@@ -932,7 +932,7 @@ namespace {
       _stream >> _record;
     } else { _validSyntax = false; return _validSyntax; }
 
-    readTextbody( layer  );
+    readTextbody( layer );
 
   //cdebug(101,0) << "GdsStream::readText() - return:" << _validSyntax << endl;
     return _validSyntax;
@@ -985,6 +985,11 @@ namespace {
     if (_record.isSTRING()) {
       _text = _record.getName();
       _stream >> _record;
+      if (not layer) {
+        cerr << Error( "GdsStream::readTextbody(): Discarted text is \"%s\"."
+                     , _text.c_str()
+                     ) << endl;
+      }
     }
     else {
       _validSyntax = false;
@@ -1483,8 +1488,13 @@ namespace {
 
   void  GdsStream::addNetReference  ( Net* net, const Layer* layer, DbU::Unit x, DbU::Unit y )
   {
+    cdebug_log(101,0) << "addNetReference(): " << net << " " << layer << " "
+                      << DbU::getValueString(x) << " " << DbU::getValueString(y) << endl;
+
     if (not layer) return;
 
+    string layerName = getString( layer->getName() );
+
     auto inet = _netReferences.find( net );
     if (inet == _netReferences.end()) {
       _netReferences[ net ] = vector<PinPoint>();
@@ -1510,6 +1520,8 @@ namespace {
                           << " @" << ref._position
                           << endl;
         if (not layer) continue;
+
+        vector<Component*> toDestroy;
         for ( Component* component : net->getCell()
                 ->getComponentsUnder( Box(ref._position).inflate(1),layer->getMask() ) ) {
           cdebug_log(101,0) << "| " << component << endl;
@@ -1523,6 +1535,7 @@ namespace {
                                               , href->getTargetX()
                                               );
             NetExternalComponents::setExternal( h );
+            toDestroy.push_back( component );
           } else {
             Vertical* vref = dynamic_cast<Vertical*>( component );
             if (vref) {
@@ -1534,9 +1547,24 @@ namespace {
                                             , vref->getTargetY()
                                             );
               NetExternalComponents::setExternal( v );
+              toDestroy.push_back( component );
+            } else {
+              Pad* pref = dynamic_cast<Pad*>( component );
+              if (pref) {
+                Pad* p = Pad::create( net
+                                    , pref->getLayer()
+                                    , pref->getBoundingBox()
+                                    );
+                NetExternalComponents::setExternal( p );
+                toDestroy.push_back( component );
+              }
             }
           }
         }
+
+        for ( Component* component : toDestroy ) {
+          component->destroy();
+        }
       }
     }
   }