def _broadcast(agent, term, intention):
# Illocutionary force.
ilf = pyson.grounded(term.args[0], intention.scope)
if not pyson.is_atom(ilf):
return
if ilf.functor == "tell":
goal_type = pyson.GoalType.belief
elif ilf.functor == "achieve":
goal_type = pyson.GoalType.achievement
else:
raise pyson.PysonError("unknown illocutionary force: %s" % ilf)
# Prepare message.
message = pyson.freeze(term.args[1], intention.scope, {})
tagged_message = message.with_annotation(
pyson.Literal("source", (pyson.Literal(agent.name), )))
# Broadcast.
for receiver in agent.env.agents.values():
if receiver == agent:
continue
receiver.call(pyson.Trigger.addition, goal_type, tagged_message,
pyson.runtime.Intention())
yield
def _send(agent, term, intention):
# Find the receivers: By a string, atom or list of strings or atoms.
receivers = pyson.grounded(term.args[0], intention.scope)
if not pyson.is_list(receivers):
receivers = [receivers]
receiving_agents = []
for receiver in receivers:
if pyson.is_atom(receiver):
receiving_agents.append(agent.env.agents[receiver.functor])
else:
receiving_agents.append(agent.env.agents[receiver])
# Illocutionary force.
ilf = pyson.grounded(term.args[1], intention.scope)
if not pyson.is_atom(ilf):
return
if ilf.functor == "tell":
goal_type = pyson.GoalType.belief
trigger = pyson.Trigger.addition
elif ilf.functor == "untell":
goal_type = pyson.GoalType.belief
trigger = pyson.Trigger.removal
elif ilf.functor == "achieve":
goal_type = pyson.GoalType.achievement
trigger = pyson.Trigger.addition
else:
raise pyson.PysonError("unknown illocutionary force: %s" % ilf)
# TODO: unachieve, askOne, askAll, tellHow, untellHow, askHow
# Prepare message.
message = pyson.freeze(term.args[2], intention.scope, {})
tagged_message = message.with_annotation(
pyson.Literal("source", (pyson.Literal(agent.name), )))
# Broadcast.
for receiver in receiving_agents:
receiver.call(trigger, goal_type, tagged_message,
pyson.runtime.Intention())
yield