Use bitfields to reduce the size of token by a few bytes.

See #202.
boostorg · Nov 8, 2024 · 9e8da80 · 9e8da80
1 parent c1cc177
commit 9e8da80
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/include/boost/parser/lexer.hpp b/include/boost/parser/lexer.hpp
@@ -237,8 +237,10 @@ namespace boost { namespace parser {
             long double d_;
             string_view sv_;
         } value_;
-        int id_;
-        detail::token_kind kind_;
+        // TODO: Document the 22-bit size limitation on id_ (values must be
+        // positive).
+        int id_ : 24;
+        detail::token_kind kind_ : 8;
     };
 
 #if defined(BOOST_PARSER_TESTING)