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27 
28 #ifndef UPB_UTIL_DEF_TO_PROTO_H_
29 #define UPB_UTIL_DEF_TO_PROTO_H_
30 
31 #include "upb/reflection/def.h"
32 
33 #ifdef __cplusplus
34 extern "C" {
35 #endif
36 
37 // Functions for converting defs back to the equivalent descriptor proto.
38 // Ultimately the goal is that a round-trip proto->def->proto is lossless.  Each
39 // function returns a new proto created in arena `a`, or NULL if memory
40 // allocation failed.
41 google_protobuf_DescriptorProto* upb_MessageDef_ToProto(const upb_MessageDef* m,
42                                                         upb_Arena* a);
43 google_protobuf_EnumDescriptorProto* upb_EnumDef_ToProto(const upb_EnumDef* e,
44                                                          upb_Arena* a);
45 google_protobuf_EnumValueDescriptorProto* upb_EnumValueDef_ToProto(
46     const upb_EnumValueDef* e, upb_Arena* a);
47 google_protobuf_FieldDescriptorProto* upb_FieldDef_ToProto(
48     const upb_FieldDef* f, upb_Arena* a);
49 google_protobuf_OneofDescriptorProto* upb_OneofDef_ToProto(
50     const upb_OneofDef* o, upb_Arena* a);
51 google_protobuf_FileDescriptorProto* upb_FileDef_ToProto(const upb_FileDef* f,
52                                                          upb_Arena* a);
53 google_protobuf_MethodDescriptorProto* upb_MethodDef_ToProto(
54     const upb_MethodDef* m, upb_Arena* a);
55 google_protobuf_ServiceDescriptorProto* upb_ServiceDef_ToProto(
56     const upb_ServiceDef* s, upb_Arena* a);
57 
58 #ifdef __cplusplus
59 } /* extern "C" */
60 #endif
61 
62 #endif /* UPB_UTIL_DEF_TO_PROTO_H_ */
63