Function HandleLockCommand

Source/cmFileCommand.cxx:2941–3100

}

bool HandleLockCommand(std::vector<std::string> const& args,
                       cmExecutionStatus& status)
{
#if !defined(CMAKE_BOOTSTRAP)
  // Default values
  bool directory = false;
  bool release = false;
  enum Guard
  {
    GUARD_FUNCTION,
    GUARD_FILE,
    GUARD_PROCESS
  };
  Guard guard = GUARD_PROCESS;
  std::string resultVariable;
  unsigned long timeout = static_cast<unsigned long>(-1);

  // Parse arguments
  if (args.size() < 2) {
    status.GetMakefile().IssueMessage(
      MessageType::FATAL_ERROR,
      "sub-command LOCK requires at least two arguments.");
    return false;
  }

  std::string path = args[1];
  for (unsigned i = 2; i < args.size(); ++i) {
    if (args[i] == "DIRECTORY") {
      directory = true;
    } else if (args[i] == "RELEASE") {
      release = true;
    } else if (args[i] == "GUARD") {
      ++i;
      char const* merr = "expected FUNCTION, FILE or PROCESS after GUARD";
      if (i >= args.size()) {
        status.GetMakefile().IssueMessage(MessageType::FATAL_ERROR, merr);
        return false;
      }
      if (args[i] == "FUNCTION") {
        guard = GUARD_FUNCTION;
      } else if (args[i] == "FILE") {
        guard = GUARD_FILE;
      } else if (args[i] == "PROCESS") {
        guard = GUARD_PROCESS;
      } else {
        status.GetMakefile().IssueMessage(
          MessageType::FATAL_ERROR,
          cmStrCat(merr, ", but got:\n  \"", args[i], "\"."));
        return false;
      }

    } else if (args[i] == "RESULT_VARIABLE") {
      ++i;
      if (i >= args.size()) {
        status.GetMakefile().IssueMessage(
          MessageType::FATAL_ERROR,
          "expected variable name after RESULT_VARIABLE");
        return false;