Method dispatch

src/Context.cpp:855–892

/////////////////////////////////////////////////////////////////////////// Dispatch to the command found by the CLI parser.

////////////////////////////////////////////////////////////////////////////////
// Dispatch to the command found by the CLI parser.
int Context::dispatch(std::string& out) {
  // Autocomplete args against keywords.
  std::string command = cli2.getCommand();
  if (command != "") {
    updateXtermTitle();
    updateVerbosity();

    Command* c = commands[command];
    assert(c);

    // The command know whether they need a GC or recurrence update.
    if (c->needs_gc()) {
      tdb2.gc();
    }

    // This is something that is only needed for write commands with no other
    // filter processing.
    if (c->accepts_modifications() && !c->accepts_filter()) {
      cli2.prepareFilter();
    }

    // With rc.debug.parser == 2, there are more tree dumps than you might want,
    // but we need the rc.debug.parser == 1 case covered also, with the final
    // tree.
    if (config.getBoolean("debug") && config.getInteger("debug.parser") == 1)
      debug(cli2.dump("Parse Tree (before command-specifіc processing)"));

    if (c->needs_recur_update() && Context::getContext().config.getBoolean("gc")) {
      handleUntil();
      handleRecurrence();
    }

    return c->execute(out);
  }

  assert(commands["help"]);
  return commands["help"]->execute(out);
}

////////////////////////////////////////////////////////////////////////////////
int Context::getWidth() {