def test_next_previous(mio):
m = Message("foo")
m.next = Message("bar")
assert m.previous is m
assert m.name == "foo"
assert m.next.name == "bar"
assert m.next.next is None
assert m.next.previous.name == "foo"
def make_chain(messages, all=True):
root = node = None
while messages:
if len(messages) > 1 and is_assignment(messages[1]):
name = messages.pop(0).name
object = runtime.find("String").clone(name)
key = Message(name, object)
op = messages.pop(0)
if op.name == "=" and op.next is not None and op.next.name in ("()", "[]", "{}",):
value = Message(
"()", args=[Message(op.next.name, args=op.next.args)])
elif op.args:
value = Message("()", args=op.args)
else:
value = make_chain(messages, all=False)
message = Message("set", args=[key, value])
elif is_operator(messages[0]):
message = messages.pop(0)
if messages and not message.args:
if operators.get(message.name) == 1:
arg = messages.pop(0)
# Set the argument (a Message) previous attribute to the
# current message
arg.previous = message
message.args.append(arg)
message.call = True
else:
chain = make_chain(messages, all=False)
if chain is not None:
# Set the argument (a Message) previous attribute to
# the current message
chain.previous = message
message.args.append(chain)
message.call = True
elif message.next is not None:
chain = message.next
message.next = None
chain.previous = message
message.args.append(chain)
message.call = True
elif messages[0].terminator and not all:
break
else:
message = messages.pop(0)
if root is None:
root = node = message
else:
node.next = node = message
return root
def make_message(n):
if len(n) == 2:
if n[1] is not None and getattr(n[1][0], "type") == "op":
if n[1][0].value == "(":
name = n[0] # Message arguments i.e: foo(1, 2, 3)
elif n[1][0].value == "[":
name = (n[0], "[]")
elif n[1][0].value == "{":
name = (n[0], "{}")
args = n[1][1]
else:
name, args = n
else:
if n[0].value == "(":
name = "()"
elif n[0].value == "[":
name = "[]"
elif n[0].value == "{":
name = "{}"
args = n[1]
if isinstance(name, tuple):
name, next = name
else:
next = None
if hasattr(name, "value"):
value = name
name = name.value
else:
value = None
if next is not None:
message = Message(name, value)
message.next = Message(next, None, args)
else:
message = Message(name, value, args)
return message