modifying pattern methods to throw exceptions

[blast.git] / FunctionalInterface.cpp

diff --git a/FunctionalInterface.cpp b/FunctionalInterface.cpp
index d34cc8daac6490a18f7c4e1b070635502d00723f..145b86a28dc9fab5f115443402f9a7530827cab3 100644 (file)
--- a/FunctionalInterface.cpp
+++ b/FunctionalInterface.cpp
@@ -76,10 +76,7 @@ AbstractInterface *FunctionalInterface::clone() {
   int id = getInterfaceMultiplicity();\r
   if (id < 0) return NULL;\r
   FunctionalInterface *inter = new FunctionalInterface(owner, reference);\r
-  inter->setWidth(width);\r
-  inter->setDirection(direction);\r
-  inter->setPurpose(purpose);  \r
-  inter->connectFrom(NULL);\r
+  inter->setWidth(width);  \r
   inter->setName(reference->getName()+"_"+QString::number(id+1));\r
   return inter;\r
 }\r
@@ -99,21 +96,27 @@ bool FunctionalInterface::canConnectTo(AbstractInterface *iface) {
      2 - iface is owned by the parent group of the block that owns this\r
         2.1 - this is an output, iface is an output of the group\r
         2.2 - both are inout\r
+     3 - this is owned by a source block and iface is owned by the top group\r
 \r
   */\r
   if (direction == Input) return false;\r
   if (iface->isReferenceInterface()) return false;\r
-  if (iface->getConnectedFrom() != NULL) return false;\r
-\r
+  ConnectedInterface* connIface = AI_TO_CON(iface);\r
+  if (connIface->getConnectedFrom() != NULL) return false;\r
+  // first case: interface of blocks within the same group\r
   if (getOwner()->getParent() == iface->getOwner()->getParent()) {\r
 \r
     if ((direction == Output) && (iface->getDirection() == Input)) return true;\r
     if ((direction == InOut) && (iface->getDirection() == InOut)) return true;\r
   }\r
+  // second case: iface = interface of the group that contains owner of this\r
   else if (getOwner()->getParent() == iface->getOwner()) {\r
     if ((direction == Output) && (iface->getDirection() == Output)) return true;\r
     if ((direction == InOut) && (iface->getDirection() == InOut)) return true;\r
   }\r
+  else if ((getOwner()->isSourceBlock()) && (iface->getOwner()->isTopGroupBlock())) {\r
+    if ((direction == Output) && (iface->getDirection() == Input)) return true;\r
+  }\r
 \r
   return false;\r
 \r