def send_base_message(self, trans_operation: CommonTree,
transition: Transition,
var_names: Dict[str, str]) -> List[CommonTree]:
ret_operation = trans_operation
children = trans_operation.getChildren()
if str(children[1]) in var_names:
tmp_operation = copy.deepcopy(trans_operation)
tmp_operation.token.text = MurphiModular.tPUSH_HL_DEFER
tmp_operation.children[1].token.text = var_names[str(children[1])]
transition.operation = copy.copy(transition.operation)
transition.operation[transition.operation.index(
trans_operation)] = tmp_operation
return [ret_operation]
return []
def defer_base_message(self, trans_operation: CommonTree,
transition: Transition,
var_names: Dict[str, str]) -> List[CommonTree]:
local_defer_operations = []
children = trans_operation.getChildren()
defer_var_name = MurphiModular.vdeferpref + str(children[0]) + "_" + \
str(children[2].children[1])
# Records the variable name of the child
var_names[str(children[0])] = defer_var_name
# Recover next deferred operation
tmp_operation = copy.deepcopy(trans_operation)
tmp_children = tmp_operation.getChildren()
defer_var_name = MurphiModular.vdeferpref + str(tmp_children[0]) + "_" + \
str(tmp_children[2].children[1])
tmp_children[0].token.text = defer_var_name
tmp_children[2].token.text = MurphiModular.tPOP_HL_DEFER
local_defer_operations.append(tmp_operation)
# Construct Original Message from deferred operation
tmp_operation = copy.deepcopy(trans_operation)
tmp_children = tmp_operation.getChildren()
tmp_children[2].token.text = MurphiModular.tSEND_BASE_DEFER
tmp_children[2].children[1].token.text = defer_var_name
for ind in range(2, len(MurphiModular.BaseMsg)):
tmp_children[2].children.pop(2)
local_defer_operations.append(tmp_operation)
tmp_operation = copy.deepcopy(trans_operation)
tmp_children = tmp_operation.getChildren()
# Generate BaseMessage that is deferred
tmp_children[0].token.text = defer_var_name
tmp_children[2].token.text = MurphiModular.tSEND_BASE_DEFER
tmp_children[2].children[0].token.text = MurphiModular.rbasemessage
for ind in range(len(MurphiModular.BaseMsg),
len(tmp_children[2].getChildren())):
tmp_children[2].children.pop(len(MurphiModular.BaseMsg))
# Update the transition
transition.operation = copy.copy(transition.operation)
transition.operation[transition.operation.index(
trans_operation)] = tmp_operation
return local_defer_operations