def check_wellformedness(checker, node_): context_ = checker.get_context() sigs = get_message_children(node_) subj = get_role(node_) # Section 4.6.9 -- bound interrupt role if not context_.is_role_declared(subj): util.report_error("Bad interrupt role: " + subj) tmp = context_.get_operators().items() for sig in sigs: if util.get_node_type(sig) == constants.MESSAGE_SIGNATURE_NODE_TYPE: #tmp = context_.get_operators().items() # Section 4.6.9 -- well-formed message signature messagesignature_check_wellformedness(checker, sig) op = context_.get_current_scope() + '.' \ + messagesignature_get_operator(sig) # interrupt sig belongs to the scope of the interruptible for (src, _), ops in tmp: if op in ops: # Section 4.6.9 -- op is not in any potential ops set of # block for subj if subj == src: util.report_error("Bad interrupt operator: " + op) #context_ = context_.add_operator() # FIXME: can't do currently: interrupt messages have no # specific dest (need to look up all possible # destinations, or could make a special broadcast value # constant?) -- top-level interruptible inside a choice # block can also be an enabling op else: raise RuntimeError("TODO: " + parameter_get_parameter_name(sig))
def check_wellformedness_enter(checker, node_): context = checker.get_context() msg = get_message_child(node_) # node mtype = util.get_node_type(msg) src = get_source(node_) # string dests = get_destinations(node_) # string # Will be assigned depending on whether message is a concrete signature or a # parameter op = None # string param = None # string # Section 4.6.5 -- message is a well-formed message-signature or a bound sig # parameter if mtype == constants.MESSAGE_SIGNATURE_NODE_TYPE: # Section 4.6.5 -- Well-formed message-signature messagesignature_check_wellformedness(checker, msg) #op = messagesignature.get_operator(msg) op = context.get_current_scope() + '.' + messagesignature_get_operator( msg) else: # Not a message signature, should be a sig parameter param = parameter_get_name(msg) op = param params = context.get_parameters() if not param in params.keys(): # Bound parameter util.report_error("Bad parameter: " + param) if params[param] != constants.KIND_MESSAGE_SIGNATURE: # sig parameter # HACK?: using the KW util.report_error("Bad type parameter: " + param) # Section 4.6.5 -- source role is bound if not context.is_role_declared(src): util.report_error("Bad source role: " + src) # Section 4.6.6 -- the non-at roles of a choice must occur in receiver position # (i.e. be "enabled" -- the at-role is enabled implicitly) before occuring in # any non- transfer-receiver position, such as a nested choice at-position # here) if not context.is_role_enabled(src): util.report_error("Role not enabled: " + src) # Destination roles tmp = [] for dest in dests: # Section 4.6.5 -- bound destination roles if not context.is_role_declared(dest): util.report_error("Bad destination role: " + dest) if dest in tmp: # Section 4.6.5 -- distinct destination roles util.report_error("Duplicate destination role: " + dest) tmp.append(dest)
def check_wellformedness_enter(checker, node_): context = checker.get_context() msg = get_message_child(node_) # node mtype = util.get_node_type(msg) src = get_source(node_) # string dests = get_destinations(node_) # string # Will be assigned depending on whether message is a concrete signature or a # parameter op = None # string param = None # string # Section 4.6.5 -- message is a well-formed message-signature or a bound sig # parameter if mtype == constants.MESSAGE_SIGNATURE_NODE_TYPE: # Section 4.6.5 -- Well-formed message-signature messagesignature_check_wellformedness(checker, msg) #op = messagesignature.get_operator(msg) op = context.get_current_scope() + '.' + messagesignature_get_operator(msg) else: # Not a message signature, should be a sig parameter param = parameter_get_name(msg) op = param params = context.get_parameters() if not param in params.keys(): # Bound parameter util.report_error("Bad parameter: " + param) if params[param] != constants.KIND_MESSAGE_SIGNATURE: # sig parameter # HACK?: using the KW util.report_error("Bad type parameter: " + param) # Section 4.6.5 -- source role is bound if not context.is_role_declared(src): util.report_error("Bad source role: " + src) # Section 4.6.6 -- the non-at roles of a choice must occur in receiver position # (i.e. be "enabled" -- the at-role is enabled implicitly) before occuring in # any non- transfer-receiver position, such as a nested choice at-position # here) if not context.is_role_enabled(src): util.report_error("Role not enabled: " + src) # Destination roles tmp = [] for dest in dests: # Section 4.6.5 -- bound destination roles if not context.is_role_declared(dest): util.report_error("Bad destination role: " + dest) if dest in tmp: # Section 4.6.5 -- distinct destination roles util.report_error("Duplicate destination role: " + dest) tmp.append(dest)
def context_visitor_enter(cv, node_): clone = cv.get_context().clone() msg = get_message_child(node_) # node mtype = util.get_node_type(msg) src = get_source(node_) # string dests = get_destinations(node_) # string # Will be assigned depending on whether message is a concrete signature or a parameter op = None # string param = None # string if mtype == constants.MESSAGE_SIGNATURE_NODE_TYPE: op = clone.get_current_scope() + '.' + messagesignature_get_operator( msg) else: # Not a message signature, should be a sig parameter param = parameter_get_name(msg) op = param # Destination roles for dest in dests: # Section 4.6.8 -- collecting "potential" operators, for parallel # well-formedness Also parameters potential (op is param for sig # parameters) # # Building a conservative set (potential actions, for parallel # well-formedness) clone = clone.add_operator(src, dest, op) #Section 4.6.6 -- destination roles are now "enabled" (if not already) #for action" within the (choice) block if not clone.is_role_enabled(dest): # Because clone is cloned, all previously enabled/disabled is # automatically carried over. but could factor out this aspect from # here and other categories into the sequencing constructor if mtype == constants.MESSAGE_SIGNATURE_NODE_TYPE: clone = clone.enable_role(dest, op) else: # sig parameter clone = clone.enable_role(dest, param) cv.set_context(clone)
def context_visitor_enter(cv, node_): clone = cv.get_context().clone() msg = get_message_child(node_) # node mtype = util.get_node_type(msg) src = get_source(node_) # string dests = get_destinations(node_) # string # Will be assigned depending on whether message is a concrete signature or a parameter op = None # string param = None # string if mtype == constants.MESSAGE_SIGNATURE_NODE_TYPE: op = clone.get_current_scope() + '.' + messagesignature_get_operator(msg) else: # Not a message signature, should be a sig parameter param = parameter_get_name(msg) op = param # Destination roles for dest in dests: # Section 4.6.8 -- collecting "potential" operators, for parallel # well-formedness Also parameters potential (op is param for sig # parameters) # # Building a conservative set (potential actions, for parallel # well-formedness) clone = clone.add_operator(src, dest, op) #Section 4.6.6 -- destination roles are now "enabled" (if not already) #for action" within the (choice) block if not clone.is_role_enabled(dest): # Because clone is cloned, all previously enabled/disabled is # automatically carried over. but could factor out this aspect from # here and other categories into the sequencing constructor if mtype == constants.MESSAGE_SIGNATURE_NODE_TYPE: clone = clone.enable_role(dest, op) else: # sig parameter clone = clone.enable_role(dest, param) cv.set_context(clone)