diff options
Diffstat (limited to 'frontends/ilang/ilang_frontend.cc')
| -rw-r--r-- | frontends/ilang/ilang_frontend.cc | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/frontends/ilang/ilang_frontend.cc b/frontends/ilang/ilang_frontend.cc index d8783ac1..30d9ff79 100644 --- a/frontends/ilang/ilang_frontend.cc +++ b/frontends/ilang/ilang_frontend.cc @@ -44,11 +44,47 @@ 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"); + log(" -lib\n"); + log(" only create empty blackbox modules\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; + ILANG_FRONTEND::flag_lib = 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; + } + if (arg == "-lib") { + ILANG_FRONTEND::flag_lib = true; + continue; + } + break; + } + extra_args(f, filename, args, argidx); + log("Input filename: %s\n", filename.c_str()); ILANG_FRONTEND::lexin = f; |