Getting closer to a decoder that could actually compile and work.

2 files changed, 11 insertions, 2 deletions

diff --git a/core/upb_stream.h b/core/upb_stream.h
index 54fd930..bf312a8 100644
--- a/core/upb_stream.h
+++ b/core/upb_stream.h
@@ -40,8 +40,11 @@ typedef enum {
   UPB_CONTINUE,
 
   // Stop processing for now; check status for details.  If no status was set,
-  // a generic error will be returned.  If the error is resumable, processing
-  // will resume by delivering this callback again.
+  // a generic error will be returned.  If the error is resumable, it is not
+  // (yet) defined where processing will resume -- waiting for real-world
+  // examples of resumable decoders and resume-requiring clients.  upb_src
+  // implementations that are not capable of resuming will override the return
+  // status to be non-resumable if a resumable status was set by the handlers.
   UPB_BREAK,
 
   // Skips to the end of the current submessage (or if we are at the top
diff --git a/core/upb_string.h b/core/upb_string.h
index 04c0ae9..1a7e06b 100644
--- a/core/upb_string.h
+++ b/core/upb_string.h
@@ -134,6 +134,12 @@ INLINE upb_strlen_t upb_string_len(upb_string *str) { return str->len; }
 INLINE const char *upb_string_getrobuf(upb_string *str) { return str->ptr; }
 INLINE void upb_string_endread(upb_string *str) { (void)str; }
 
+// Convenience method for getting the end of the string.  Calls
+// upb_string_getrobuf() so inherits the caveats of calling that function.
+INLINE const char *upb_string_getbufend(upb_string *str) {
+  return upb_string_getrobuf(str) + upb_string_len(str);
+}
+
 // Attempts to recycle the string "str" so it may be reused and have different
 // data written to it.  After the function returns, "str" points to a writable
 // string, which is either the original string if it had no other references