Ton

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/*
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    This file is part of TON Blockchain source code.
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    TON Blockchain is free software; you can redistribute it and/or
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    modify it under the terms of the GNU General Public License
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    as published by the Free Software Foundation; either version 2
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    of the License, or (at your option) any later version.
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    TON Blockchain is distributed in the hope that it will be useful,
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    but WITHOUT ANY WARRANTY; without even the implied warranty of
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    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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    GNU General Public License for more details.
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    You should have received a copy of the GNU General Public License
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    along with TON Blockchain.  If not, see <http://www.gnu.org/licenses/>.
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    In addition, as a special exception, the copyright holders give permission
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    to link the code of portions of this program with the OpenSSL library.
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    You must obey the GNU General Public License in all respects for all
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    of the code used other than OpenSSL. If you modify file(s) with this
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    exception, you may extend this exception to your version of the file(s),
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    but you are not obligated to do so. If you do not wish to do so, delete this
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    exception statement from your version. If you delete this exception statement
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    from all source files in the program, then also delete it here.
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    Copyright 2017-2020 Telegram Systems LLP
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*/
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#include "func.h"
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#include "parser/srcread.h"
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#include "parser/lexer.h"
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#include "parser/symtable.h"
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#include <getopt.h>
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#include <fstream>
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#include "git.h"
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void usage(const char* progname) {
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  std::cerr
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      << "usage: " << progname
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      << " [-vIAPSR][-O<level>][-i<indent-spc>][-o<output-filename>][-W<boc-filename>] {<func-source-filename> ...}\n"
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         "\tGenerates Fift TVM assembler code from a funC source\n"
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         "-I\tEnables interactive mode (parse stdin)\n"
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         "-o<fift-output-filename>\tWrites generated code into specified file instead of stdout\n"
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         "-v\tIncreases verbosity level (extra information output into stderr)\n"
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         "-i<indent>\tSets indentation for the output code (in two-space units)\n"
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         "-A\tPrefix code with `\"Asm.fif\" include` preamble\n"
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         "-O<level>\tSets optimization level (2 by default)\n"
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         "-P\tEnvelope code into PROGRAM{ ... }END>c\n"
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         "-S\tInclude stack layout comments in the output code\n"
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         "-R\tInclude operation rewrite comments in the output code\n"
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         "-W<output-boc-file>\tInclude Fift code to serialize and save generated code into specified BoC file. Enables "
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         "-A and -P.\n"
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         "\t-s\tOutput semantic version of FunC and exit\n"
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         "\t-V<version>\tShow func build information\n";
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  std::exit(2);
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}
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int main(int argc, char* const argv[]) {
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  int i;
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  std::string output_filename;
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  while ((i = getopt(argc, argv, "Ahi:Io:O:PRsSvW:V")) != -1) {
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    switch (i) {
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      case 'A':
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        funC::asm_preamble = true;
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        break;
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      case 'I':
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        funC::interactive = true;
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        break;
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      case 'i':
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        funC::indent = std::max(0, atoi(optarg));
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        break;
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      case 'o':
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        output_filename = optarg;
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        break;
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      case 'O':
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        funC::opt_level = std::max(0, atoi(optarg));
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        break;
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      case 'P':
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        funC::program_envelope = true;
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        break;
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      case 'R':
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        funC::op_rewrite_comments = true;
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        break;
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      case 'S':
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        funC::stack_layout_comments = true;
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        break;
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      case 'v':
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        ++funC::verbosity;
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        break;
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      case 'W':
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        funC::boc_output_filename = optarg;
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        funC::asm_preamble = funC::program_envelope = true;
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        break;
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      case 's':
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        std::cout << funC::func_version << "\n";
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        std::exit(0);
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        break;
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      case 'V':
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        std::cout << "FunC semantic version: v" << funC::func_version << "\n";
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        std::cout << "Build information: [ Commit: " << GitMetadata::CommitSHA1() << ", Date: " << GitMetadata::CommitDate() << "]\n";
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        std::exit(0);
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        break;
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      case 'h':
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      default:
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        usage(argv[0]);
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    }
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  }
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  std::ostream *outs = &std::cout;
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  std::unique_ptr<std::fstream> fs;
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  if (!output_filename.empty()) {
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    fs = std::make_unique<std::fstream>(output_filename, std::fstream::trunc | std::fstream::out);
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    if (!fs->is_open()) {
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      std::cerr << "failed to create output file " << output_filename << '\n';
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      return 2;
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    }
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    outs = fs.get();
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  }
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  std::vector<std::string> sources;
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  while (optind < argc) {
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    sources.push_back(std::string(argv[optind++]));
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  }
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  funC::read_callback = funC::fs_read_callback;
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  return funC::func_proceed(sources, *outs, std::cerr);
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}
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