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-rw-r--r--tools/verification/dot2/automata.py36
1 files changed, 34 insertions, 2 deletions
diff --git a/tools/verification/dot2/automata.py b/tools/verification/dot2/automata.py
index bdeb98baa8b0..d9a3fe2b74bf 100644
--- a/tools/verification/dot2/automata.py
+++ b/tools/verification/dot2/automata.py
@@ -19,13 +19,14 @@ class Automata:
invalid_state_str = "INVALID_STATE"
- def __init__(self, file_path):
+ def __init__(self, file_path, model_name=None):
self.__dot_path = file_path
- self.name = self.__get_model_name()
+ self.name = model_name or self.__get_model_name()
self.__dot_lines = self.__open_dot()
self.states, self.initial_state, self.final_states = self.__get_state_variables()
self.events = self.__get_event_variables()
self.function = self.__create_matrix()
+ self.events_start, self.events_start_run = self.__store_init_events()
def __get_model_name(self):
basename = ntpath.basename(self.__dot_path)
@@ -172,3 +173,34 @@ class Automata:
cursor += 1
return matrix
+
+ def __store_init_events(self):
+ events_start = [False] * len(self.events)
+ events_start_run = [False] * len(self.events)
+ for i, _ in enumerate(self.events):
+ curr_event_will_init = 0
+ curr_event_from_init = False
+ curr_event_used = 0
+ for j, _ in enumerate(self.states):
+ if self.function[j][i] != self.invalid_state_str:
+ curr_event_used += 1
+ if self.function[j][i] == self.initial_state:
+ curr_event_will_init += 1
+ if self.function[0][i] != self.invalid_state_str:
+ curr_event_from_init = True
+ # this event always leads to init
+ if curr_event_will_init and curr_event_used == curr_event_will_init:
+ events_start[i] = True
+ # this event is only called from init
+ if curr_event_from_init and curr_event_used == 1:
+ events_start_run[i] = True
+ return events_start, events_start_run
+
+ def is_start_event(self, event):
+ return self.events_start[self.events.index(event)]
+
+ def is_start_run_event(self, event):
+ # prefer handle_start_event if there
+ if any(self.events_start):
+ return False
+ return self.events_start_run[self.events.index(event)]