def _create_evar(member, name, eblock, index_set):
# Name is same, conflicts are prevented by a check in Port.add.
# The new var will mirror the original var and have same index set.
# We only need one evar per arc, so check if it already exists
# before making a new one.
evar = eblock.component(name)
if evar is None:
evar = replicate_var(member, name, eblock, index_set)
return evar
def _validate_and_expand_port_set(self, ports):
ref = {}
# First, go through the ports and get the superset of all fields
for p in ports:
for k, v in iteritems(p.vars):
if k in ref:
# We have already seen this var
continue
if v is None:
# This is an implicit var
continue
# OK: New var, so add it to the reference list
_len = (-1 if not v.is_indexed() else len(v))
ref[k] = (v, _len, p, p.rule_for(k))
if not ref:
logger.warning("Cannot identify a reference port: no ports "
"in the port set have assigned variables:\n\t(%s)" %
', '.join(sorted(p.name
for p in itervalues(ports))))
return ref
# Now make sure that ports match
empty_or_partial = []
for p in ports:
p_is_partial = False
if not p.vars:
# This is an empty port and should be defined with
# "auto" vars
empty_or_partial.append(p)
continue
for k, v in iteritems(ref):
if k not in p.vars:
raise ValueError(
"Port mismatch: Port '%s' missing variable "
"'%s' (appearing in reference port '%s')" %
(p.name, k, v[2].name))
_v = p.vars[k]
if _v is None:
if not p_is_partial:
empty_or_partial.append(p)
p_is_partial = True
continue
_len = (-1 if not _v.is_indexed() else len(_v))
if (_len >= 0) ^ (v[1] >= 0):
raise ValueError(
"Port mismatch: Port variable '%s' mixing "
"indexed and non-indexed targets on ports '%s' "
"and '%s'" % (k, v[2].name, p.name))
if _len >= 0 and _len != v[1]:
raise ValueError(
"Port mismatch: Port variable '%s' index "
"mismatch (%s elements in reference port '%s', "
"but %s elements in port '%s')" %
(k, v[1], v[2].name, _len, p.name))
if v[1] >= 0 and len(v[0].index_set() ^ _v.index_set()):
raise ValueError(
"Port mismatch: Port variable '%s' has "
"mismatched indices on ports '%s' and '%s'" %
(k, v[2].name, p.name))
if p.rule_for(k) is not v[3]:
raise ValueError("Port mismatch: Port variable '%s' has "
"different rules on ports '%s' and '%s'" %
(k, v[2].name, p.name))
# as we are adding things to the model, sort by key so that
# the order things are added is deterministic
sorted_refs = sorted(iteritems(ref))
if len(empty_or_partial) > 1:
# This is expensive (names aren't cheap), but does result in
# a deterministic ordering
empty_or_partial.sort(key=lambda x: x.getname(
fully_qualified=True, name_buffer=self._name_buffer))
# Fill in any empty ports
for p in empty_or_partial:
block = p.parent_block()
for k, v in sorted_refs:
if k in p.vars and p.vars[k] is not None:
continue
vname = unique_component_name(
block, '%s_auto_%s' %
(p.getname(fully_qualified=True,
name_buffer=self._name_buffer), k))
new_var = replicate_var(v[0], vname, block)
# add this new variable to the port so that it has a rule
p.add(new_var, k, rule=v[3])
return ref
def _validate_and_expand_port_set(self, ports):
ref = {}
# First, go through the ports and get the superset of all fields
for p in ports:
for k, v in iteritems(p.vars):
if k in ref:
# We have already seen this var
continue
if v is None:
# This is an implicit var
continue
# OK: New var, so add it to the reference list
_len = (
-1 if not v.is_indexed()
else len(v))
ref[k] = (v, _len, p, p.rule_for(k))
if not ref:
logger.warning(
"Cannot identify a reference port: no ports "
"in the port set have assigned variables:\n\t(%s)"
% ', '.join(sorted(p.name for p in itervalues(ports))))
return ref
# Now make sure that ports match
empty_or_partial = []
for p in ports:
p_is_partial = False
if not p.vars:
# This is an empty port and should be defined with
# "auto" vars
empty_or_partial.append(p)
continue
for k, v in iteritems(ref):
if k not in p.vars:
raise ValueError(
"Port mismatch: Port '%s' missing variable "
"'%s' (appearing in reference port '%s')" %
(p.name, k, v[2].name))
_v = p.vars[k]
if _v is None:
if not p_is_partial:
empty_or_partial.append(p)
p_is_partial = True
continue
_len = (
-1 if not _v.is_indexed()
else len(_v))
if (_len >= 0) ^ (v[1] >= 0):
raise ValueError(
"Port mismatch: Port variable '%s' mixing "
"indexed and non-indexed targets on ports '%s' "
"and '%s'" %
(k, v[2].name, p.name))
if _len >= 0 and _len != v[1]:
raise ValueError(
"Port mismatch: Port variable '%s' index "
"mismatch (%s elements in reference port '%s', "
"but %s elements in port '%s')" %
(k, v[1], v[2].name, _len, p.name))
if v[1] >= 0 and len(v[0].index_set() ^ _v.index_set()):
raise ValueError(
"Port mismatch: Port variable '%s' has "
"mismatched indices on ports '%s' and '%s'" %
(k, v[2].name, p.name))
if p.rule_for(k) is not v[3]:
raise ValueError(
"Port mismatch: Port variable '%s' has "
"different rules on ports '%s' and '%s'" %
(k, v[2].name, p.name))
# as we are adding things to the model, sort by key so that
# the order things are added is deterministic
sorted_refs = sorted(iteritems(ref))
if len(empty_or_partial) > 1:
# This is expensive (names aren't cheap), but does result in
# a deterministic ordering
empty_or_partial.sort(key=lambda x: x.getname(
fully_qualified=True, name_buffer=self._name_buffer))
# Fill in any empty ports
for p in empty_or_partial:
block = p.parent_block()
for k, v in sorted_refs:
if k in p.vars and p.vars[k] is not None:
continue
vname = unique_component_name(
block, '%s_auto_%s' % (p.getname(
fully_qualified=True, name_buffer=self._name_buffer),k))
new_var = replicate_var(v[0], vname, block)
# add this new variable to the port so that it has a rule
p.add(new_var, k, rule=v[3])
return ref