def test_get_all_hrefs_of_item(self):
netlist = sdn.Netlist()
library = netlist.create_library()
definition = library.create_definition()
instance = sdn.Instance()
instance.reference = definition
netlist.top_instance = instance
href = next(HRef.get_all_hrefs_of_item(instance))
self.assertTrue(href.item is instance)
href = next(HRef.get_all_hrefs_of_item(definition))
self.assertTrue(href.item is instance)
port = definition.create_port()
href = next(HRef.get_all_hrefs_of_item(port))
self.assertTrue(href.is_valid and href.item is port)
def _get_hports_raw(object_collection, patterns, recursive, is_case, is_re):
in_namemap = set()
in_yield = set()
namemap = dict()
bypass_namesearch = set()
while object_collection:
obj = object_collection.pop()
if isinstance(obj, Netlist):
top_instance = obj.top_instance
if top_instance:
href = HRef.from_parent_and_item(None, top_instance)
object_collection.append(href)
elif isinstance(obj, HRef):
if obj.is_valid is False:
continue
item = obj.item
if isinstance(item, Instance):
if obj not in bypass_namesearch:
_update_hport_namemap(obj, recursive, in_namemap, namemap)
else:
bypass_namesearch.discard(obj)
reference = item.reference
if reference:
# Get all cables inside a hierarchical instance
for port in reference.ports:
hport = HRef.from_parent_and_item(obj, port)
if hport not in in_yield:
in_yield.add(hport)
yield(hport)
# get internal cables recursively
if recursive:
for child in reference.children:
href_child = HRef.from_parent_and_item(obj, child)
bypass_namesearch.add(href_child)
object_collection.append(href_child)
elif isinstance(item, Port):
if obj not in in_yield:
in_yield.add(obj)
yield (obj)
elif isinstance(item, Cable):
for wire in item.wires:
href_wire = HRef.from_parent_and_item(obj, wire)
object_collection.append(href_wire)
elif isinstance(item, Wire):
href_parent_cable = obj.parent
href_parent_instance = href_parent_cable.parent
for pin in item.pins:
if isinstance(pin, OuterPin):
instance = pin.instance
if instance:
href_inst = HRef.from_parent_and_item(href_parent_instance, pin.instance)
inner_pin = pin.inner_pin
if inner_pin:
inner_port = inner_pin.port
if inner_port:
href_port = HRef.from_parent_and_item(href_inst, inner_port)
if href_port not in in_yield:
in_yield.add(href_port)
yield href_port
else:
port = pin.port
if port:
href_port = HRef.from_parent_and_item(href_parent_instance, port)
if href_port not in in_yield:
in_yield.add(href_port)
yield href_port
elif isinstance(item, InnerPin):
hport = obj.parent
if hport not in in_yield:
in_yield.add(hport)
yield hport
elif isinstance(obj, Library):
object_collection += obj.definitions
elif isinstance(obj, Definition):
hrefs = set(HRef.get_all_hrefs_of_instances(obj.references))
bypass_namesearch |= hrefs
object_collection += hrefs
elif isinstance(obj, Instance):
hrefs = set(HRef.get_all_hrefs_of_instances(obj))
bypass_namesearch |= hrefs
object_collection += hrefs
elif isinstance(obj, (Port, Cable, InnerPin, OuterPin, Wire)):
object_collection += HRef.get_all_hrefs_of_item(obj)
for href in in_yield:
in_namemap.discard(href)
if in_namemap: # namemap is to cable
for pattern in patterns:
pattern_is_absolute = _is_pattern_absolute(pattern, is_case, is_re)
if pattern_is_absolute:
if pattern in namemap:
result = namemap[pattern]
for href in result:
if href in in_namemap:
in_namemap.remove(href)
yield href
else:
for name in namemap:
if _value_matches_pattern(name, pattern, is_case, is_re):
result = namemap[name]
for href in result:
if href in in_namemap:
in_namemap.remove(href)
yield href
def _get_hwires_raw(object_collection, selection, patterns, recursive, is_case, is_re):
in_namemap = set()
in_yield = set()
namemap = dict()
hpin_search = set()
bypass_namesearch = set()
while object_collection:
obj = object_collection.pop()
if isinstance(obj, Netlist):
top_instance = obj.top_instance
if top_instance:
href = HRef.from_parent_and_item(None, top_instance)
object_collection.append(href)
elif isinstance(obj, HRef):
if obj.is_valid is False:
continue
item = obj.item
if isinstance(item, Instance):
if selection == Selection.INSIDE and obj not in bypass_namesearch:
_update_hwire_namemap(obj, recursive, in_namemap, namemap)
else:
bypass_namesearch.discard(obj)
reference = item.reference
if reference:
if selection in {Selection.INSIDE, Selection.ALL}:
# Get all cables inside a hierarchical instance
for cable in reference.cables:
hcable = HRef.from_parent_and_item(obj, cable)
for wire in cable.wires:
hwire = HRef.from_parent_and_item(hcable, wire)
if hwire not in in_yield:
in_yield.add(hwire)
yield(hwire)
# get internal cables recursively
if recursive or selection == Selection.ALL:
for child in reference.children:
href_child = HRef.from_parent_and_item(obj, child)
bypass_namesearch.add(href_child)
object_collection.append(href_child)
if selection in {Selection.OUTSIDE, Selection.BOTH, Selection.ALL}:
for port in reference.ports:
href_port = HRef.from_parent_and_item(obj, port)
for pin in port.pins:
href_pin = HRef.from_parent_and_item(href_port, pin)
hpin_search.add(href_pin)
elif isinstance(item, Port):
for pin in item.pins:
href_pin = HRef.from_parent_and_item(obj, pin)
hpin_search.add(href_pin)
elif isinstance(item, Cable):
for wire in item.wires:
href_wire = HRef.from_parent_and_item(obj, wire)
object_collection.append(href_wire)
elif isinstance(item, Wire):
if selection == Selection.INSIDE:
if obj not in in_yield:
in_yield.add(obj)
yield obj
elif selection == Selection.OUTSIDE:
href_parent_cable = obj.parent
href_parent_instance = href_parent_cable.parent
for pin in item.pins:
if isinstance(pin, OuterPin):
href_inst = HRef.from_parent_and_item(href_parent_instance, pin.instance)
inner_wire = pin.inner_pin.wire
if inner_wire:
inner_cable = inner_wire.cable
href_cable = HRef.from_parent_and_item(href_inst, inner_cable)
href_wire = HRef.from_parent_and_item(href_cable, inner_wire)
if href_wire not in in_yield:
in_yield.add(href_wire)
yield href_wire
else:
href_parent = href_parent_instance.parent
if href_parent:
instance = href_parent_instance.item
if pin in instance.pins:
outer_pin = instance.pins[pin]
outer_wire = outer_pin.wire
if outer_wire:
outer_cable = outer_wire.cable
href_cable = HRef.from_parent_and_item(href_parent, outer_cable)
href_wire = HRef.from_parent_and_item(href_cable, outer_wire)
if href_wire not in in_yield:
in_yield.add(href_wire)
yield href_wire
else:
if obj not in in_yield:
in_yield.add(obj)
yield obj
href_cable = obj.parent
href_inst = href_cable.parent
for pin in item.pins:
if isinstance(pin, OuterPin):
href_sub_inst = HRef.from_parent_and_item(obj.parent, pin.instance)
inner_pin = pin.inner_pin
port = inner_pin.port
href_port = HRef.from_parent_and_item(href_sub_inst, port)
href_pin = HRef.from_parent_and_item(href_port, pin)
else:
port = pin.port
href_port = HRef.from_parent_and_item(href_inst, port)
href_pin = HRef.from_parent_and_item(href_port, pin)
object_collection.append(href_pin)
elif isinstance(item, InnerPin):
hpin_search.add(obj)
elif isinstance(obj, Library):
object_collection += obj.definitions
elif isinstance(obj, Definition):
hrefs = set(HRef.get_all_hrefs_of_instances(obj.references))
bypass_namesearch |= hrefs
object_collection += hrefs
elif isinstance(obj, Instance):
hrefs = set(HRef.get_all_hrefs_of_instances(obj))
bypass_namesearch |= hrefs
object_collection += hrefs
elif isinstance(obj, (Port, Cable, InnerPin, OuterPin, Wire)):
object_collection += HRef.get_all_hrefs_of_item(obj)
if hpin_search:
for hwire in _get_hwires_from_hpins(hpin_search, selection):
if hwire not in in_yield:
in_yield.add(hwire)
yield hwire
for href in in_yield:
in_namemap.discard(href)
if in_namemap:
for pattern in patterns:
pattern_is_absolute = _is_pattern_absolute(pattern, is_case, is_re)
if pattern_is_absolute:
if pattern in namemap:
result = namemap[pattern]
for href in result:
if href in in_namemap:
in_namemap.remove(href)
yield href
else:
for name in namemap:
if _value_matches_pattern(name, pattern, is_case, is_re):
result = namemap[name]
for href in result:
if href in in_namemap:
in_namemap.remove(href)
yield href
