Method gen_field_store

tl/generate/tl_writer_cpp.cpp:434–501

}

std::string TD_TL_writer_cpp::gen_field_store(const tl::arg &a, std::vector<tl::var_description> &vars, bool flat,
                                              int storer_type) const {
  std::string field_name = gen_field_name(a.name);
  std::string res = storer_type == 1 ? "    " : "  ";

  if (a.type->get_type() == tl::NODE_TYPE_VAR_TYPE) {
    const tl::tl_tree_var_type *t = static_cast<const tl::tl_tree_var_type *>(a.type);
    assert(a.flags == tl::FLAG_EXCL);

    assert(a.var_num == -1);
    assert(a.exist_var_num == -1);

    assert(t->var_num >= 0);
    assert(!vars[t->var_num].is_stored);
    vars[t->var_num].is_stored = true;
    assert(vars[t->var_num].is_type);

    return res + field_name + "->store(s);\n";
  }

  assert(!(a.flags & tl::FLAG_EXCL));

  if (a.flags & tl::FLAG_OPT_VAR) {
    assert(false);
    assert(a.exist_var_num == -1);
    assert(0 <= a.var_num && a.var_num < static_cast<int>(vars.size()));

    assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
    assert(static_cast<const tl::tl_tree_type *>(a.type)->type->id == tl::ID_VAR_NUM);
    assert(vars[a.var_num].is_stored);
    assert(!vars[a.var_num].is_type);
    return "";
  }

  if (a.exist_var_num >= 0) {
    assert(a.exist_var_num < static_cast<int>(vars.size()));
    assert(vars[a.exist_var_num].is_stored);

    res += "if (" + gen_var_name(vars[a.exist_var_num]) + " & " + int_to_string(1 << a.exist_var_bit) + ") { ";
  }

  if (flat) {
    //    TODO
    //    return gen_field_store(const tl::arg &a, std::vector<tl::var_description> &vars, bool flat, int storer_type);
  }

  if (a.var_num >= 0) {
    assert(a.type->get_type() == tl::NODE_TYPE_TYPE);
    assert(static_cast<const tl::tl_tree_type *>(a.type)->type->id == tl::ID_VAR_NUM);
    assert(a.var_num < static_cast<int>(vars.size()));
    if (!vars[a.var_num].is_stored) {
      field_name = "(" + gen_var_name(vars[a.var_num]) + " = " + field_name + ")";
      vars[a.var_num].is_stored = true;
    } else {
      assert(false);  // need to check value of stored var
      field_name = gen_var_name(vars[a.var_num]);
    }
  }