mirror of https://github.com/YosysHQ/yosys.git
65 lines
2.2 KiB
C++
65 lines
2.2 KiB
C++
/*
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* yosys -- Yosys Open SYnthesis Suite
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*
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* Copyright (C) 2012 Clifford Wolf <clifford@clifford.at>
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*
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* ---
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*
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* A very simple and straightforward frontend for the RTLIL text
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* representation (as generated by the 'ilang' backend).
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*
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*/
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#include "ilang_frontend.h"
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#include "kernel/register.h"
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#include "kernel/log.h"
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void rtlil_frontend_ilang_yyerror(char const *s)
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{
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YOSYS_NAMESPACE_PREFIX log_error("Parser error in line %d: %s\n", rtlil_frontend_ilang_yyget_lineno(), s);
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}
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YOSYS_NAMESPACE_BEGIN
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struct IlangFrontend : public Frontend {
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IlangFrontend() : Frontend("ilang", "read modules from ilang file") { }
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void help() YS_OVERRIDE
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{
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// |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|
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log("\n");
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log(" read_ilang [filename]\n");
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log("\n");
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log("Load modules from an ilang file to the current design. (ilang is a text\n");
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log("representation of a design in yosys's internal format.)\n");
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log("\n");
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}
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void execute(std::istream *&f, std::string filename, std::vector<std::string> args, RTLIL::Design *design) YS_OVERRIDE
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{
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log_header(design, "Executing ILANG frontend.\n");
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extra_args(f, filename, args, 1);
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log("Input filename: %s\n", filename.c_str());
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ILANG_FRONTEND::lexin = f;
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ILANG_FRONTEND::current_design = design;
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rtlil_frontend_ilang_yydebug = false;
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rtlil_frontend_ilang_yyrestart(NULL);
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rtlil_frontend_ilang_yyparse();
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rtlil_frontend_ilang_yylex_destroy();
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}
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} IlangFrontend;
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YOSYS_NAMESPACE_END
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