Martin Hořeňovský | 45a4657 | 2017-12-03 13:03:52 +0100 | [diff] [blame] | 1 | #include <algorithm> |
| 2 | #include <array> |
| 3 | #include <cassert> |
| 4 | #include <fstream> |
| 5 | #include <iostream> |
| 6 | #include <memory> |
| 7 | #include <numeric> |
| 8 | #include <regex> |
| 9 | #include <string> |
| 10 | #include <vector> |
| 11 | |
| 12 | |
| 13 | void create_empty_file(std::string const& path) { |
| 14 | std::ofstream ofs(path); |
| 15 | ofs << '\n'; |
| 16 | } |
| 17 | |
| 18 | const std::string separator = "--sep--"; |
| 19 | const std::string logfile_prefix = "--log-file="; |
| 20 | |
| 21 | bool starts_with(std::string const& str, std::string const& pref) { |
| 22 | return str.find(pref) == 0; |
| 23 | } |
| 24 | |
| 25 | int parse_log_file_arg(std::string const& arg) { |
| 26 | assert(starts_with(arg, logfile_prefix) && "Attempting to parse incorrect arg!"); |
| 27 | auto fname = arg.substr(logfile_prefix.size()); |
| 28 | create_empty_file(fname); |
| 29 | std::regex regex("MemoryChecker\\.(\\d+)\\.log", std::regex::icase); |
| 30 | std::smatch match; |
| 31 | if (std::regex_search(fname, match, regex)) { |
| 32 | return std::stoi(match[1]); |
| 33 | } else { |
| 34 | throw std::domain_error("Couldn't find desired expression in string: " + fname); |
| 35 | } |
| 36 | } |
| 37 | |
| 38 | std::string catch_path(std::string path) { |
| 39 | auto start = path.find("catch"); |
| 40 | // try capitalized instead |
| 41 | if (start == std::string::npos) { |
| 42 | start = path.find("Catch"); |
| 43 | } |
| 44 | if (start == std::string::npos) { |
| 45 | throw std::domain_error("Couldn't find Catch's base path"); |
| 46 | } |
| 47 | auto end = path.find_first_of("\\/", start); |
| 48 | return path.substr(0, end); |
| 49 | } |
| 50 | |
| 51 | std::string windowsify_path(std::string path) { |
| 52 | for (auto& c : path) { |
| 53 | if (c == '/') { |
| 54 | c = '\\'; |
| 55 | } |
| 56 | } |
| 57 | return path; |
| 58 | } |
| 59 | |
| 60 | void exec_cmd(std::string const& cmd, int log_num, std::string const& path) { |
| 61 | std::array<char, 128> buffer; |
| 62 | #if defined(_WIN32) |
| 63 | auto real_cmd = "OpenCppCoverage --export_type binary:cov-report" + std::to_string(log_num) |
| 64 | + ".bin --quiet " + "--sources " + path + " --cover_children -- " + cmd; |
| 65 | std::cout << "=== Marker ===: Cmd: " << real_cmd << '\n'; |
| 66 | std::shared_ptr<FILE> pipe(_popen(real_cmd.c_str(), "r"), _pclose); |
| 67 | #else // Just for testing, in the real world we will always work under WIN32 |
| 68 | (void)log_num; (void)path; |
| 69 | std::shared_ptr<FILE> pipe(popen(cmd.c_str(), "r"), pclose); |
| 70 | #endif |
| 71 | |
| 72 | if (!pipe) { |
| 73 | throw std::runtime_error("popen() failed!"); |
| 74 | } |
| 75 | while (!feof(pipe.get())) { |
| 76 | if (fgets(buffer.data(), 128, pipe.get()) != nullptr) { |
| 77 | std::cout << buffer.data(); |
| 78 | } |
| 79 | } |
| 80 | } |
| 81 | |
| 82 | // argv should be: |
| 83 | // [0]: our path |
| 84 | // [1]: "--log-file=<path>" |
| 85 | // [2]: "--sep--" |
| 86 | // [3]+: the actual command |
| 87 | |
| 88 | int main(int argc, char** argv) { |
| 89 | std::vector<std::string> args(argv, argv + argc); |
| 90 | auto sep = std::find(begin(args), end(args), separator); |
| 91 | assert(sep - begin(args) == 2 && "Structure differs from expected!"); |
| 92 | |
| 93 | auto num = parse_log_file_arg(args[1]); |
| 94 | |
| 95 | auto cmdline = std::accumulate(++sep, end(args), std::string{}, [] (const std::string& lhs, const std::string& rhs) { |
| 96 | return lhs + ' ' + rhs; |
| 97 | }); |
| 98 | |
Martin Hořeňovský | 2f15ccd | 2018-02-09 16:54:10 +0100 | [diff] [blame] | 99 | try { |
| 100 | return exec_cmd(cmdline, num, windowsify_path(catch_path(args[0]))); |
| 101 | } catch (std::exception const& ex) { |
| 102 | std::cerr << "Helper failed with: '" << ex.what() << "'\n"; |
| 103 | return 12; |
| 104 | } |
Martin Hořeňovský | 45a4657 | 2017-12-03 13:03:52 +0100 | [diff] [blame] | 105 | } |