Significant work on Lua extension.

Also changes in core library to accommodate.

1 files changed, 2 insertions, 0 deletions

diff --git a/upb/upb.h b/upb/upb.h
index 0c49597..633fd00 100644
--- a/upb/upb.h
+++ b/upb/upb.h
@@ -64,6 +64,8 @@ INLINE size_t upb_align_up(size_t val, size_t align) {
 // An individual string or array is unaffected by this 16k byte limit.
 #define UPB_MAX_FIELDS (2048)
 
+#define UPB_MAX_FIELDNUMBER ((1 << 29) - 1)
+
 // Nested type names are separated by periods.
 #define UPB_SYMBOL_SEPARATOR '.'