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hdl._ir: Improve driver-driver conflict message. #1158

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merged 1 commit into from
Feb 27, 2024
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hdl._ir: Improve driver-driver conflict message. #1158

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6 changes: 4 additions & 2 deletions amaranth/hdl/_ir.py
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Original file line number Diff line number Diff line change
Expand Up @@ -990,9 +990,11 @@ def emit_stmt(self, module_idx: int, fragment: _ir.Fragment, domain: str,
if signal in self.drivers:
driver = self.drivers[signal]
if driver.domain is not cd:
domain_name = cd.name if cd is not None else "comb"
other_domain_name = driver.domain.name if driver.domain is not None else "comb"
raise _ir.DriverConflict(
f"Signal {signal} driven from domain {cd} at {stmt.src_loc} and domain "
f"{driver.domain} at {driver.src_loc}")
f"Signal {signal} driven from domain {domain_name} at {stmt.src_loc} and domain "
f"{other_domain_name} at {driver.src_loc}")
if driver.module_idx != module_idx:
mod_name = ".".join(self.netlist.modules[module_idx].name or ("<toplevel>",))
other_mod_name = \
Expand Down