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Add "read_ilang -[no]overwrite"

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Signed-off-by: Clifford Wolf <clifford@clifford.at>
This commit is contained in:
Clifford Wolf 2018-12-23 15:45:09 +01:00
parent d938ce7ab6
commit 6dad191377
3 changed files with 54 additions and 4 deletions
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30
frontends/ilang/ilang_frontend.cc
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@ -44,11 +44,39 @@ struct IlangFrontend : public Frontend {
log("Load modules from an ilang file to the current design. (ilang is a text\n");
log("representation of a design in yosys's internal format.)\n");
log("\n");
log(" -nooverwrite\n");
log(" ignore re-definitions of modules. (the default behavior is to\n");
log(" create an error message if the existing module is not a blackbox\n");
log(" module, and overwrite the existing module if it is a blackbox module.)\n");
log("\n");
log(" -overwrite\n");
log(" overwrite existing modules with the same name\n");
log("\n");
}
void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
{
ILANG_FRONTEND::flag_nooverwrite = false;
ILANG_FRONTEND::flag_overwrite = false;
log_header(design, "Executing ILANG frontend.\n");
extra_args(f, filename, args, 1);
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) {
std::string arg = args[argidx];
if (arg == "-nooverwrite") {
ILANG_FRONTEND::flag_nooverwrite = true;
ILANG_FRONTEND::flag_overwrite = false;
continue;
}
if (arg == "-overwrite") {
ILANG_FRONTEND::flag_nooverwrite = false;
ILANG_FRONTEND::flag_overwrite = true;
continue;
}
break;
}
extra_args(f, filename, args, argidx);
log("Input filename: %s\n", filename.c_str());
ILANG_FRONTEND::lexin = f;