int main(int argc, char** argv) {
if (argc <= 2) return 1;
FILE *fin = fopen(argv[1], "r");
if (!fin) {
perror(argv[1]);
return 1;
}
FILE *fout = fopen(argv[2], "w");
if (!fout) {
perror(argv[2]);
return 1;
}
yyrestart(fin);
yyparse();
if (syntaxError) return 0;
// printTree(root);
checkSemantic(root);
if (semanticError) return 0;
generateIR(root);
generateMIPS(icsHead, fout);
fclose(fout);
return 0;
}
int main(int argc, char **argv)
{
std::string outfilename;
po::options_description desc("qvod_crack options");
desc.add_options()
("help,h", "display this help")
(",c", "compile only")
("ir", "generate llvm-IR and stop")
("outfile,o", po::value<std::string>(&outfilename), "set outputname")
;
po::variables_map vm;
po::store(po::parse_command_line(argc, argv, desc), vm);
po::notify(vm);
if (vm.count("help")) {
std::cout << desc;
return 0;
}
std::list<std::string> inputs = argv_getinputfiles(argc,argv);
if(inputs.empty()){
std::cerr << "no input file" << std::endl;
return 1;
}
std::string input = inputs.begin()->c_str();
// usage llvmqbc input.bas -o a.out
// ./a.out
std::cout << "openning: " << input << std::endl;
yyin = std::fopen(input.c_str(),"r");
if(!yyin)
{
printf("open %s failed\n",input.c_str());
return 1;
}
qb::parser parser;
parser.parse();
std::cout << "parse done, no errors, generating llvm IR..." << std::endl;
// Initialize targets first, so that --version shows registered targets.
llvm::InitializeAllTargets();
llvm::InitializeAllTargetMCs();
llvm::InitializeAllAsmPrinters();
llvm::InitializeAllAsmParsers();
// 如果没有指定输出文件路径, 设置输出文件的路径为输入文件相同的路径下.
if(outfilename.empty())
outfilename = (fs::path(input).parent_path() / fs::basename(fs::path(input))).string();
llvm::Module *module = new llvm::Module( fs::basename(fs::path(input)).c_str(), llvm::getGlobalContext());
generateIR(program,module);
// ir to generate llvm IR
if(vm.count("ir")){
module->dump();
return 0;
}
#if _WIN32
std::string outobjname = outfilename + ".obj";
#else
std::string outobjname = outfilename + ".o";
#endif
std::string Err;
boost::shared_ptr<llvm::tool_output_file> Out( new
llvm::tool_output_file(outobjname.c_str(), Err, llvm::raw_fd_ostream::F_Binary) );
if(generateobj(Out,module)==0)
printf("======== object file writed to %s ===========\n", outobjname.c_str());
if(!vm.count("-c"))
{
// compile to excuteable
#if _WIN32
std::string cmd = boost::str(boost::format("link.exe /out:%s %s msvcrt.lib")
% std::string(outfilename + ".exe") % outobjname );
#else
// invoke gcc
std::string libdir = fs::path(argv[0]).parent_path().string();
std::string cmd = boost::str(boost::format("gcc -o %s %s -L%s -lbrt")
% outfilename % (outfilename + ".o") % libdir.c_str());
#endif
printf("run linker: %s\n",cmd.c_str());
if(std::system(cmd.c_str())==0)
Out->keep(); // keep the file if linker runs fine
} else {
// no delete obj file
Out->keep();
}
return 0;
}