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// Copyright (c) 2024 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
#ifndef GOOGLE_UPB_UPB_GENERATOR_COMMON_DESC_HELPERS_H__
#define GOOGLE_UPB_UPB_GENERATOR_COMMON_DESC_HELPERS_H__
#include "google/protobuf/descriptor.pb.h"
#include "google/protobuf/descriptor.upb.h"
#include "google/protobuf/descriptor.h"
#include "upb/mem/arena.hpp"
#include "upb/mini_table/field.h"
#include "upb/reflection/def.hpp"
namespace upb::generator {
using google::protobuf::Descriptor;
using google::protobuf::EnumDescriptor;
using google::protobuf::FieldDescriptor;
using google::protobuf::FileDescriptor;
// Add a filedesc to defpool, and all its dependencies.
void AddFile(const FileDescriptor* file, upb::DefPool* pool);
// Given a Descriptor, returns a MessageDefPtr.
// This will fail if the message is not in the defpool.
// Files can be added to the defpool using AddFile.
upb::MessageDefPtr FindMessageDef(upb::DefPool& pool,
const Descriptor* descriptor);
// Given an EnumDescriptor, returns an EnumDefPtr.
// This will fail if the enum is not in the defpool.
upb::EnumDefPtr FindEnumDef(upb::DefPool& pool,
const EnumDescriptor* enum_descriptor);
// Given a FieldDescriptor, returns a FieldDefPtr.
// This will fail if the field is not in the defpool.
// This is for non-extension fields. For extensions, use FindExtensionDef.
upb::FieldDefPtr FindBaseFieldDef(upb::DefPool& pool,
const FieldDescriptor* field);
// Given a FieldDescriptor, returns a FieldDefPtr.
// This will fail if the field is not in the defpool.
// This is solely for extension fields.
upb::FieldDefPtr FindExtensionDef(upb::DefPool& pool,
const FieldDescriptor* field);
// Looks up a FieldDescriptor from a upb_MiniTableField.
// This will fail if the field is not in the message.
const FieldDescriptor* FindFieldDescriptor(const Descriptor* message,
const upb_MiniTableField* field_def);
} // namespace upb::generator
#endif // GOOGLE_UPB_UPB_GENERATOR_COMMON_DESC_HELPERS_H__
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