Fixed a bug in set_flags order in the compiler.

src/upb_context.c

@@ -195,14 +195,12 @@ static bool insert_message(struct upb_strtable *t,
   upb_strtable_insert(t, &e.e);
 
   /* Add nested messages and enums. */
-  //if(d->set_flags.has.nested_type)  (re-enable when protoc sets)
-  if(d->nested_type)
+  if(d->set_flags.has.nested_type)
     for(unsigned int i = 0; i < d->nested_type->len; i++)
       if(!insert_message(t, d->nested_type->elements[i], &fqname, sort))
         return false;
 
-  //if(d->set_flags.has.enum_type)
-  if(d->enum_type)
+  if(d->set_flags.has.enum_type)
     for(unsigned int i = 0; i < d->enum_type->len; i++)
       if(!insert_enum(t, d->enum_type->elements[i], &fqname))
         return false;

tools/upbc.c

@@ -467,10 +467,16 @@ static void write_message_c(void *data, struct upb_msg *m,
         struct upb_msg *m = e->field->ref.msg;
         void *msgdata = val.msg;
         /* Print set flags. */
-        fputs("  {.set_flags = {.bytes = {", stream);
-        for(unsigned int j = 0; j < m->set_flags_bytes; j++) {
-          fprintf(stream, "0x%02hhx", *(uint8_t*)(val.msg + j));
-          if(j < m->set_flags_bytes - 1) fputs(", ", stream);
+        fputs("  {.set_flags = {.has = {\n", stream);
+        for(unsigned int j = 0; j < m->num_fields; j++) {
+          struct upb_msg_field *f = &m->fields[j];
+          google_protobuf_FieldDescriptorProto *fd = m->field_descriptors[j];
+          fprintf(stream, "    ." UPB_STRFMT " = ", UPB_STRARG(*fd->name));
+          if(upb_msg_isset(msgdata, f))
+            fprintf(stream, "true");
+          else
+            fprintf(stream, "false");
+          fputs(",\n", stream);
         }
         fputs("  }},\n", stream);
         /* Print msg data. */