Method StructExprFromProto

common/ast/expr_proto.cc:389–419

  }

  absl::Status StructExprFromProto(const ExprProto& proto,
                                   const StructExprProto& struct_proto,
                                   Expr& expr) {
    expr.Clear();
    expr.set_id(proto.id());
    auto& struct_expr = expr.mutable_struct_expr();
    struct_expr.set_name(struct_proto.message_name());
    struct_expr.mutable_fields().reserve(
        static_cast<size_t>(struct_proto.entries().size()));
    for (const auto& field_proto : struct_proto.entries()) {
      switch (field_proto.key_kind_case()) {
        case StructExprProto::Entry::KEY_KIND_NOT_SET:
          ABSL_FALLTHROUGH_INTENDED;
        case StructExprProto::Entry::kFieldKey:
          break;
        case StructExprProto::Entry::kMapKey:
          return absl::InvalidArgumentError("encountered map entry in struct");
        default:
          return absl::InvalidArgumentError(absl::StrCat(
              "unexpected struct field kind: ", field_proto.key_kind_case()));
      }
      auto& field_expr = struct_expr.add_fields();
      field_expr.set_id(field_proto.id());
      field_expr.set_name(field_proto.field_key());
      if (field_proto.has_value()) {
        Push(field_proto.value(), field_expr.mutable_value());
      }
      field_expr.set_optional(field_proto.optional_entry());
    }
    return absl::OkStatus();
  }

  absl::Status MapExprFromProto(const ExprProto& proto,
                                const ExprProto::CreateStruct& map_proto,