commit

StartingPoint/lib/tracer.py

@@ -0,0 +1,36 @@
+from lib.controller import pretty_time
+
+# Records input/output events
+class Tracer:
+    def __init__(self, verbose=True):
+        self.verbose = verbose
+        self.input_events = []
+        self.output_events = []
+
+    def record_input_event(self, simtime, event_name, value):
+        if self.verbose:
+            print(f"time = {pretty_time(simtime)}, input event: {event_name}, value = {value}")
+        if not event_name.startswith("__timer"):
+            # we don't record timer events - they are specific to the statechart (not part of any fixed interface), and they are auto-generated by the timer interface
+            self.input_events.append( (simtime, event_name, value) )
+
+    def record_output_event(self, simtime, event_name, value):
+        if self.verbose:
+            print(f"time = {pretty_time(simtime)}, output event: {event_name}, value = {value}")
+        self.output_events.append( (simtime, event_name, value))
+
+
+def format_trace_as_python_code(trace, indent=0):
+    txt = "[\n"
+    for (timestamp, event_name, value) in trace:
+        txt += (" "*indent)+"    (%i, \"%s\", %s),\n" % (timestamp, event_name, value)
+    txt += (" "*indent)+"],"
+    return txt
+
+# almost same as Python, but with arrays instead of tuples
+def format_trace_as_json(trace, indent=0):
+    txt = "[\n"
+    for (timestamp, event_name, value) in trace:
+        txt += (" "*indent)+"    [%i, \"%s\", %s],\n" % (timestamp, event_name, value)
+    txt += (" "*indent)+"],"
+    return txt