Hi,
After a decode or so I've begun to program in C again. I've writing a
parser, and Lemon seems like the right tool for the job. SQLite itself
is an excellent read when starting with lemon.
However, a few questions remain unanswered :
- How do variables get initialized ? For example :
%type assigments { struct llist *}
assignments(A) ::= assignments assignment(B). { /* ..... */ }
assignments(A) ::= assignment(B). {/* .... */ }
Can I assume that A, when the rule is executed the first time, is NULL ?
- What is the meaning of @ in an assignment ? From the sqlite parse.y
source :
transtype(A) ::= DEFERRED(X). {A = @X;}
Thanx in advance for all the hints :)
Regards,
Igmar
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