+<INITIAL> "with" => (Tokens.WITH (yypos, yypos + size yytext));
+<INITIAL> "where" => (Tokens.WHERE (yypos, yypos + size yytext));
+
+<INITIAL> "extern" => (Tokens.EXTERN (yypos, yypos + size yytext));
+<INITIAL> "type" => (Tokens.TYPE (yypos, yypos + size yytext));
+<INITIAL> "val" => (Tokens.VAL (yypos, yypos + size yytext));
+<INITIAL> "context" => (Tokens.CONTEXT (yypos, yypos + size yytext));