On Tue, Dec 07, 2010 at 08:09:53PM +0100, Begelman, Jamie wrote: > I'm using Lemon for a non-sqlite related project and it is exiting with an > assertion failure that I would like to understand. I have extracted the > following small set of productions from a larger grammar. The "list" > production happens to be the start symbol in the larger grammar. > > list ::= list DELIMITER command. > list ::= command. > command ::= TERMINAL1. > command ::= TERMINAL2. > > When I place these in a .y file by themselves and build the file, Lemon fails > with: > > Assertion failed: apx->type==SH_RESOLVED || apx->type==RD_RESOLVED || > apx->type==SSCONFLICT || apx->type==SRCONFLICT || apx->type==RRCONFLICT || > apy->type==SH_RESOLVED || apy->type==RD_RESOLVED || apy->type==SSCONFLICT || > apy->type==SRCONFLICT || apy->type==RRCONFLICT, file lemon.c, line 1065 > > The odd thing is I use this pattern to parse lists of things elsewhere in the > grammar without issue. Any insight appreciated. >
I observed that adding a single rule to the beginning of the grammar: main ::= list. Fixed things for me. Try that. I've no idea why it makes a difference, mind. This was tried with lemon in SQLite 3.5.9, from Debian lenny. Christian _______________________________________________ sqlite-users mailing list sqlite-users@sqlite.org http://sqlite.org:8080/cgi-bin/mailman/listinfo/sqlite-users
