diff options
Diffstat (limited to 'src/upb_parse.h')
| -rw-r--r-- | src/upb_parse.h | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/src/upb_parse.h b/src/upb_parse.h index df26089..1dc4b4c 100644 --- a/src/upb_parse.h +++ b/src/upb_parse.h @@ -27,9 +27,11 @@ extern "C" { // client should determine whether it wants to parse or skip the corresponding // value. If it wants to parse it, it must discover and return the correct // .proto type (the tag only contains the wire type) and check that the wire -// type is appropriate for the .proto type. To skip the value (which means -// skipping all submessages, in the case of a submessage), the callback should -// return zero. +// type is appropriate for the .proto type. Returning a type for which +// upb_check_type(tag->wire_type, type) == false invokes undefined behavior. +// +// To skip the value (which means skipping all submessages, in the case of a +// submessage), the callback should return zero. // // The client can store a void* in *user_field_desc; this will be passed to // the value callback or the string callback. @@ -67,6 +69,9 @@ void upb_cbparser_free(struct upb_cbparser *p); // Resets the internal state of an already-allocated parser. Parsers must be // reset before they can be used. A parser can be reset multiple times. udata // will be passed as the first argument to callbacks. +// +// tagcb must be set, but all other callbacks can be NULL, in which case they +// will just be skipped. void upb_cbparser_reset(struct upb_cbparser *p, void *udata, upb_tag_cb tagcb, upb_value_cb valuecb, |