diff -r 8a70e85f7e12 -r 48966b6ceedc PLCGenerator.py
--- a/PLCGenerator.py	Wed Aug 29 23:02:04 2012 +0200
+++ b/PLCGenerator.py	Sun Sep 02 01:18:50 2012 +0200
@@ -905,7 +905,7 @@
         factorized_paths.sort()
         return factorized_paths
 
-    def GeneratePaths(self, connections, body, order = False):
+    def GeneratePaths(self, connections, body, order = False, to_inout = False):
         paths = []
         for connection in connections:
             localId = connection.getrefLocalId()
@@ -922,7 +922,7 @@
                     block_infos = self.GetBlockType(block_type)
                 if block_infos is None:
                     raise PLCGenException, _("Undefined block type \"%s\" in \"%s\" POU")%(block_type, self.Name)
-                paths.append(str(block_infos["generate"](self, next, block_infos, body, connection, order)))
+                paths.append(str(block_infos["generate"](self, next, block_infos, body, connection, order, to_inout)))
             elif isinstance(next, plcopen.commonObjects_continuation):
                 name = next.getname()
                 computed_value = self.ComputedConnectors.get(name, None)
@@ -981,8 +981,8 @@
         else:
             return eval(paths)
 
-    def ComputeExpression(self, body, connections, order = False):
-        paths = self.GeneratePaths(connections, body, order)
+    def ComputeExpression(self, body, connections, order = False, to_inout = False):
+        paths = self.GeneratePaths(connections, body, order, to_inout)
         if len(paths) > 1:
             factorized_paths = self.FactorizePaths(paths)
             if len(factorized_paths) > 1: