upb_def *upb_def_dup(const upb_def *def, const void *o) {
switch (def->type) {
case UPB_DEF_MSG:
return upb_upcast(upb_msgdef_dup(upb_downcast_msgdef(def), o));
case UPB_DEF_FIELD:
return upb_upcast(upb_fielddef_dup(upb_downcast_fielddef(def), o));
case UPB_DEF_ENUM:
return upb_upcast(upb_enumdef_dup(upb_downcast_enumdef(def), o));
default: assert(false); return NULL;
}
}
upb_msgdef *upb_msgdef_dup(const upb_msgdef *m) {
upb_msgdef *newm = upb_msgdef_new();
newm->size = m->size;
newm->hasbit_bytes = m->hasbit_bytes;
newm->extstart = m->extstart;
newm->extend = m->extend;
upb_msg_iter i;
for(i = upb_msg_begin(m); !upb_msg_done(i); i = upb_msg_next(m, i)) {
upb_msgdef_addfield(newm, upb_fielddef_dup(upb_msg_iter_field(i)));
}
return newm;
}
upb_msgdef *upb_msgdef_dup(const upb_msgdef *m, const void *owner) {
upb_msgdef *newm = upb_msgdef_new(owner);
if (!newm) return NULL;
upb_def_setfullname(upb_upcast(newm), upb_def_fullname(upb_upcast(m)));
upb_msg_iter i;
for(upb_msg_begin(&i, m); !upb_msg_done(&i); upb_msg_next(&i)) {
upb_fielddef *f = upb_fielddef_dup(upb_msg_iter_field(&i), &f);
if (!f || !upb_msgdef_addfield(newm, f, &f)) {
upb_msgdef_unref(newm, owner);
return NULL;
}
}
return newm;
}
upb_msgdef *upb_msgdef_dup(const upb_msgdef *m, const void *owner) {
upb_msgdef *newm = upb_msgdef_new(owner);
if (!newm) return NULL;
bool ok = upb_def_setfullname(UPB_UPCAST(newm),
upb_def_fullname(UPB_UPCAST(m)), NULL);
UPB_ASSERT_VAR(ok, ok);
upb_msg_iter i;
for(upb_msg_begin(&i, m); !upb_msg_done(&i); upb_msg_next(&i)) {
upb_fielddef *f = upb_fielddef_dup(upb_msg_iter_field(&i), &f);
if (!f || !upb_msgdef_addfield(newm, f, &f, NULL)) {
upb_msgdef_unref(newm, owner);
return NULL;
}
}
return newm;
}
