def _process_virtual_config(self, block_name, virtual, virtuals, realizations, biiout):
'''Params:
block_name : BlockName
virtual: dictionary
'''
for virtual_parse_result in virtual.itervalues():
for cell_name in virtual_parse_result.apply:
block_cell_name = block_name + cell_name
try:
old_cell = self.block_holder[cell_name].cell
except KeyError:
old_cell = None
#Build a new virtual cell with the new data, keeping old if existing
new_cell = VirtualCell(block_cell_name, virtual_parse_result.code,
virtual_parse_result.leaves)
if old_cell is None:
new_cell.type = BiiType.from_extension(block_cell_name.extension)
else:
new_cell.type = old_cell.type
virtual_resource = Resource(new_cell, None)
self.block_holder.add_resource(virtual_resource)
self._process_leaves(new_cell, realizations, biiout)
virtuals.add(block_cell_name)
