Method visitFields

parser/parser.cc:1107–1141

}

std::vector<StructExprField> ParserVisitor::visitFields(
    CelParser::FieldInitializerListContext* ctx) {
  std::vector<StructExprField> res;
  if (!ctx || ctx->fields.empty()) {
    return res;
  }

  res.reserve(ctx->fields.size());
  for (size_t i = 0; i < ctx->fields.size(); ++i) {
    if (i >= ctx->cols.size() || i >= ctx->values.size()) {
      // This is the result of a syntax error detected elsewhere.
      return res;
    }
    auto* f = ctx->fields[i];
    if (!f->escapeIdent()) {
      ABSL_DCHECK(HasErrored());
      // This is the result of a syntax error detected elsewhere.
      return res;
    }

    std::string id = NormalizeIdentifier(f->escapeIdent());

    int64_t init_id = factory_.NextId(SourceRangeFromToken(ctx->cols[i]));
    if (!enable_optional_syntax_ && f->opt) {
      factory_.ReportError(SourceRangeFromParserRuleContext(ctx),
                           "unsupported syntax '?'");
      continue;
    }
    auto value = ExprFromAny(visit(ctx->values[i]));
    res.push_back(factory_.NewStructField(init_id, std::move(id),
                                          std::move(value), f->opt != nullptr));
  }

  return res;
}

std::any ParserVisitor::visitIdent(CelParser::IdentContext* ctx) {
  std::string ident_name;