yosys/frontends/ilang/ilang_frontend.cc

64 lines
2.1 KiB
C++

/*
* yosys -- Yosys Open SYnthesis Suite
*
* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
*
* 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 (as generated by the 'ilang' backend).
*
*/
#include "ilang_frontend.h"
#include "kernel/register.h"
#include "kernel/log.h"
YOSYS_NAMESPACE_BEGIN
void rtlil_frontend_ilang_yyerror(char const *s)
{
log_error("Parser error in line %d: %s\n", rtlil_frontend_ilang_yyget_lineno(), s);
}
struct IlangFrontend : public Frontend {
IlangFrontend() : Frontend("ilang", "read modules from ilang file") { }
virtual void help()
{
// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
log("\n");
log(" read_ilang [filename]\n");
log("\n");
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");
}
virtual void execute(FILE *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design)
{
log_header("Executing ILANG frontend.\n");
extra_args(f, filename, args, 1);
log("Input filename: %s\n", filename.c_str());
ILANG_FRONTEND::current_design = design;
rtlil_frontend_ilang_yydebug = false;
rtlil_frontend_ilang_yyrestart(f);
rtlil_frontend_ilang_yyparse();
rtlil_frontend_ilang_yylex_destroy();
}
} IlangFrontend;
YOSYS_NAMESPACE_END