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sim: disambiguate duplicate names of traced signals

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Fixes #976.
This commit is contained in:
Wanda 2023-12-03 01:44:35 +01:00 committed by Catherine
parent 193fdaccd0
commit 28139f5f4b
1 changed files with 8 additions and 1 deletions
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9
amaranth/sim/pysim.py
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@ -63,10 +63,17 @@ class _VCDWriter:
signal_names[signal].add((*subfragment_name, signal_name)) signal_names[signal].add((*subfragment_name, signal_name))
trace_names = SignalDict() trace_names = SignalDict()
assigned_names = set()
for trace in traces: for trace in traces:
for trace_signal in trace._rhs_signals(): for trace_signal in trace._rhs_signals():
if trace_signal not in signal_names: if trace_signal not in signal_names:
trace_names[trace_signal] = {("bench", trace_signal.name)} if trace_signal.name not in assigned_names:
name = trace_signal.name
else:
name = f"{trace_signal.name}${len(assigned_names)}"
assert name not in assigned_names
trace_names[trace_signal] = {("bench", name)}
assigned_names.add(name)
self.traces.append(trace_signal) self.traces.append(trace_signal)
if self.vcd_writer is None: if self.vcd_writer is None: