/* * yosys -- Yosys Open SYnthesis Suite * * Copyright (C) 2014 Clifford Wolf * Copyright (C) 2014 Johann Glaser * * 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. * */ #include "kernel/yosys.h" struct WriteFileFrontend : public Frontend { WriteFileFrontend() : Frontend("=write_file", "write a text to a file") { } virtual void help() { // |---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---|---v---| log("\n"); log(" write_file [options] output_file [input_file]\n"); log("\n"); log("Write the text fron the input file to the output file.\n"); log("\n"); log(" -a\n"); log(" Append to output file (instead of overwriting)\n"); log("\n"); log("\n"); log("Inside a script the input file can also can a here-document:\n"); log("\n"); log(" write_file hello.txt < args, RTLIL::Design*) { bool append_mode = false; std::string output_filename; size_t argidx; for (argidx = 1; argidx < args.size(); argidx++) { if (args[argidx] == "-a") { append_mode = true; continue; } break; } if (argidx < args.size() && args[argidx].rfind("-", 0) != 0) output_filename = args[argidx++]; else log_cmd_error("Missing putput filename.\n"); extra_args(f, filename, args, argidx); FILE *of = fopen(output_filename.c_str(), append_mode ? "a" : "w"); char buffer[64 * 1024]; size_t bytes; while (0 < (bytes = f->readsome(buffer, sizeof(buffer)))) fwrite(buffer, bytes, 1, of); fclose(of); } } WriteFileFrontend;