Method parseField

app/src/DataModel/Importers/ProtoImporter.cpp:542–598

* @brief Parses a single field declaration inside a message body. */

 * @brief Parses a single field declaration inside a message body.
 */
bool Parser::parseField(DataModel::ProtoMessage& msg, ParseError& err)
{
  DataModel::ProtoField f;

  if (m_cur.type == Tok::Ident
      && (m_cur.text == QLatin1String("repeated") || m_cur.text == QLatin1String("optional")
          || m_cur.text == QLatin1String("required"))) {
    f.repeated = (m_cur.text == QLatin1String("repeated"));
    advance();
  }

  if (m_cur.type != Tok::Ident) {
    err = {m_cur.line, QObject::tr("Expected field type, got '%1'").arg(m_cur.text)};
    return false;
  }

  QString typeName = m_cur.text;
  advance();
  while (m_cur.type == Tok::Dot) {
    typeName += QLatin1Char('.');
    advance();
    if (m_cur.type == Tok::Ident) {
      typeName += m_cur.text;
      advance();
    }
  }

  f.scalar  = classifyScalar(typeName);
  f.typeRef = typeName;

  if (m_cur.type != Tok::Ident) {
    err = {m_cur.line, QObject::tr("Expected field name after type")};
    return false;
  }
  f.name = m_cur.text;
  advance();

  if (!expect(Tok::Eq, QStringLiteral("'='"), err))
    return false;

  if (m_cur.type != Tok::IntLit) {
    err = {m_cur.line, QObject::tr("Expected field tag number")};
    return false;
  }
  if (!parseFieldTag(f.tag, err))
    return false;

  advance();

  skipOptionList();

  if (!expect(Tok::Semi, QStringLiteral("';'"), err))
    return false;

  msg.fields.append(f);
  return true;
}