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// Protocol Buffers - Google's data interchange format
// Copyright 2025 Google LLC. All rights reserved.
//
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file or at
// https://developers.google.com/open-source/licenses/bsd
#include "upb_generator/plugin.h"
#include <string>
#include "google/protobuf/descriptor.pb.h"
#include "absl/container/flat_hash_set.h"
#include "absl/log/absl_log.h"
#include "absl/strings/string_view.h"
#include "google/protobuf/descriptor.h"
#include "upb/base/status.hpp"
#include "upb/base/string_view.h"
#include "upb/mem/arena.hpp"
#include "upb/reflection/def.hpp"
#include "upb_generator/file_layout.h"
// Must be last.
#include "upb/port/def.inc"
namespace upb {
namespace generator {
absl::string_view ToStringView(upb_StringView str) {
return absl::string_view(str.data, str.size);
}
void PopulateDefPool(const google::protobuf::FileDescriptor* file, upb::Arena* arena,
DefPoolPair* pools,
absl::flat_hash_set<std::string>* files_seen) {
bool new_file = files_seen->insert(std::string(file->name())).second;
if (new_file) {
for (int i = 0; i < file->dependency_count(); ++i) {
PopulateDefPool(file->dependency(i), arena, pools, files_seen);
}
google::protobuf::FileDescriptorProto raw_proto;
file->CopyTo(&raw_proto);
std::string serialized = raw_proto.SerializeAsString();
auto* file_proto = UPB_DESC(FileDescriptorProto_parse)(
serialized.data(), serialized.size(), arena->ptr());
upb::Status status;
upb::FileDefPtr upb_file = pools->AddFile(file_proto, &status);
if (!upb_file) {
absl::string_view name =
ToStringView(UPB_DESC(FileDescriptorProto_name)(file_proto));
ABSL_LOG(FATAL) << "Couldn't add file " << name
<< " to DefPool: " << status.error_message();
}
}
}
} // namespace generator
} // namespace upb
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