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Merge pull request #694 from trcwm/dffmap_expr_fix

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DFFLIBMAP: changed 'missing pin' error into a warning.
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Clifford Wolf 2018-11-06 12:21:05 +01:00 • committed by GitHub
commit 7bd2144d03
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1 changed files with 10 additions and 1 deletions
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11
passes/techmap/dfflibmap.cc
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@ -101,7 +101,16 @@ static bool parse_pin(LibertyAst *cell, LibertyAst *attr, std::string &pin_name,
if (child->id == "pin" && child->args.size() == 1 && child->args[0] == pin_name)
return true;
log_error("Malformed liberty file - cannot find pin '%s' in cell '%s'.\n", pin_name.c_str(), cell->args[0].c_str());
/* If we end up here, the pin specified in the attribute does not exist, which is an error,
or, the attribute contains an expression which we do not yet support.
For now, we'll simply produce a warning to let the user know something is up.
*/
if (pin_name.find_first_of("^*|&") == std::string::npos) {
log_warning("Malformed liberty file - cannot find pin '%s' in cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str());
}
else {
log_warning("Found unsupported expression '%s' in pin attribute of cell '%s' - skipping.\n", pin_name.c_str(), cell->args[0].c_str());
}
return false;
}