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abc: handle ABC script errors instead of hanging

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This commit is contained in:
Roland Coeurjoly 2026-01-07 23:46:33 +01:00
parent 35321cd292
commit f1fc704c84
2 changed files with 13 additions and 0 deletions
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6
passes/techmap/abc.cc
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@ -1152,6 +1152,12 @@ bool read_until_abc_done(abc_output_filter &filt, int fd, DeferredLogs &logs) {
// Ignore any leftover output, there should only be a prompt perhaps
return true;
}
// If ABC aborted the sourced script, it returns to the prompt and will
// never print YOSYS_ABC_DONE. Treat this as a failed run, not a hang.
if (line.substr(0, 7) == "Error: ") {
logs.log_error("ABC: %s", line.c_str());
return false;
}
filt.next_line(line);
line.clear();
start = p + 1;