yosys/tests/pyosys/test_idstring_lifetime.py

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from pyosys import libyosys as ys
from pathlib import Path
__file_dir__ = Path(__file__).absolute().parent
d = ys.Design()
ys.run_pass(f"read_verilog {__file_dir__ / 'spm.cut.v.gz'}", d)
ys.run_pass("hierarchy -top spm", d)
external_idstring_holder_0 = None
external_idstring_holder_1 = None
def get_top_module_idstring():
global external_idstring_holder_0, external_idstring_holder_1
d = ys.Design()
ys.run_pass(f"read_verilog {__file_dir__ / 'spm.cut.v.gz'}", d)
ys.run_pass("hierarchy -top spm", d)
external_idstring_holder_0 = d.top_module().name
for cell in d.top_module().cells_:
print(f"TARGETED: {cell}", flush=True)
external_idstring_holder_1 = cell
break
# d deallocates
get_top_module_idstring()
print(external_idstring_holder_0, flush=True)
print(external_idstring_holder_1, flush=True)