Add support for parsing variables

This adds a reader flag and serdi option for extending a syntax with support
for SPARQL-like variables, for storing things like patterns or simple queries.

1 files changed, 1 insertions, 0 deletions

diff --git a/src/reader.h b/src/reader.h
index 62feeee6..9bdbf72f 100644
--- a/src/reader.h
+++ b/src/reader.h
@@ -60,6 +60,7 @@ struct SerdReaderImpl {
   SerdByteSource* source;
   SerdStack       stack;
   SerdSyntax      syntax;
+  SerdReaderFlags flags;
   unsigned        next_id;
   uint8_t*        buf;
   char*           bprefix;