upb/util/def_to_proto.h

// Protocol Buffers - Google's data interchange format
// Copyright 2023 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 UPB_UTIL_DEF_TO_PROTO_H_
#define UPB_UTIL_DEF_TO_PROTO_H_

#include "google/protobuf/descriptor.upb.h"
#include "upb/mem/arena.h"
#include "upb/reflection/def.h"

#ifdef __cplusplus
extern "C" {
#endif

// Must be last
#include "upb/port/def.inc"

// Functions for converting defs back to the equivalent descriptor proto.
// Ultimately the goal is that a round-trip proto->def->proto is lossless.  Each
// function returns a new proto created in arena `a`, or NULL if memory
// allocation failed.
UPB_NODISCARD google_protobuf_DescriptorProto* upb_MessageDef_ToProto(
    const upb_MessageDef* m, upb_Arena* a);
UPB_NODISCARD google_protobuf_EnumDescriptorProto* upb_EnumDef_ToProto(
    const upb_EnumDef* e, upb_Arena* a);
UPB_NODISCARD google_protobuf_EnumValueDescriptorProto* upb_EnumValueDef_ToProto(
    const upb_EnumValueDef* e, upb_Arena* a);
UPB_NODISCARD google_protobuf_FieldDescriptorProto* upb_FieldDef_ToProto(
    const upb_FieldDef* f, upb_Arena* a);
UPB_NODISCARD google_protobuf_OneofDescriptorProto* upb_OneofDef_ToProto(
    const upb_OneofDef* o, upb_Arena* a);
UPB_NODISCARD google_protobuf_FileDescriptorProto* upb_FileDef_ToProto(
    const upb_FileDef* f, upb_Arena* a);
UPB_NODISCARD google_protobuf_MethodDescriptorProto* upb_MethodDef_ToProto(
    const upb_MethodDef* m, upb_Arena* a);
UPB_NODISCARD google_protobuf_ServiceDescriptorProto* upb_ServiceDef_ToProto(
    const upb_ServiceDef* s, upb_Arena* a);

#include "upb/port/undef.inc"

#ifdef __cplusplus
} /* extern "C" */
#endif

#endif /* UPB_UTIL_DEF_TO_PROTO_H_ */