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sim.pysim: Only close VCD/GTKW files if we opened them ourselves.

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Fixes #1107.
This commit is contained in:
Wanda 2024-02-27 04:10:41 +01:00 committed by Catherine
parent fc81ff17f7
commit a725282751
1 changed files with 6 additions and 2 deletions
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8
amaranth/sim/pysim.py
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@ -41,10 +41,14 @@ class _VCDWriter:
# the simulator is still usable if it's not installed for some reason.
import vcd, vcd.gtkw
self.close_vcd = False
self.close_gtkw = False
if isinstance(vcd_file, str):
vcd_file = open(vcd_file, "w")
self.close_vcd = True
if isinstance(gtkw_file, str):
gtkw_file = open(gtkw_file, "w")
self.close_gtkw = True
self.vcd_signal_vars = SignalDict()
self.vcd_memory_vars = {}
@ -189,9 +193,9 @@ class _VCDWriter:
else:
assert False # :nocov:
if self.vcd_file is not None:
if self.close_vcd:
self.vcd_file.close()
if self.gtkw_file is not None:
if self.close_gtkw:
self.gtkw_file.close()