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/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Claire Xenia Wolf <claire@yosyshq.com>
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* ---
*
* A very simple and straightforward frontend for the RTLIL text
* representation.
*
*/
#include "rtlil_frontend.h"
#include "kernel/register.h"
#include "kernel/log.h"
void rtlil_frontend_yyerror(char const *s)
{
YOSYS_NAMESPACE_PREFIX log_error("Parser error in line %d: %s\n", rtlil_frontend_yyget_lineno(), s);
}
YOSYS_NAMESPACE_BEGIN
struct RTLILFrontend : public Frontend {
RTLILFrontend() : Frontend("rtlil", "read modules from RTLIL file") { }
void help() override
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" read_rtlil [filename]\n");
log("\n");
log("Load modules from an RTLIL file to the current design. (RTLIL 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) override
{
RTLIL_FRONTEND::flag_nooverwrite = false;
RTLIL_FRONTEND::flag_overwrite = false;
RTLIL_FRONTEND::flag_lib = false;
log_header(design, "Executing RTLIL frontend.\n");
size_t argidx;
for (argidx = 1; argidx < args.size(); argidx++) {
std::string arg = args[argidx];
if (arg == "-nooverwrite") {
RTLIL_FRONTEND::flag_nooverwrite = true;
RTLIL_FRONTEND::flag_overwrite = false;
continue;
}
if (arg == "-overwrite") {
RTLIL_FRONTEND::flag_nooverwrite = false;
RTLIL_FRONTEND::flag_overwrite = true;
continue;
}
if (arg == "-lib") {
RTLIL_FRONTEND::flag_lib = true;
continue;
}
break;
}
extra_args(f, filename, args, argidx);
log("Input filename: %s\n", filename.c_str());
RTLIL_FRONTEND::lexin = f;
RTLIL_FRONTEND::current_design = design;
rtlil_frontend_yydebug = false;
rtlil_frontend_yyrestart(NULL);
rtlil_frontend_yyparse();
rtlil_frontend_yylex_destroy();
}
} RTLILFrontend;
struct IlangFrontend : public Frontend {
IlangFrontend() : Frontend("ilang", "(deprecated) alias of read_rtlil") { }
void help() override
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log("See `help read_rtlil`.\n");
log("\n");
}
void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) override
{
RTLILFrontend.execute(f, filename, args, design);
}
} IlangFrontend;
YOSYS_NAMESPACE_END
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