Hi,
I'm attempting to rewrite a buggy hand-written parser with a re2c / lemon one.
I've ran into a strange thing (which is/was actually a bug in the lexer), but I
can't determine why lemon finishes parsing, instead of throwing up a parser
error.
The stripped-down parser :
[igmar@devel native]$ lemon -g parser.le
// Reprint of input file "parser.le".
// Symbols:
// 0 $ 4 CURLY_OPEN 8 start 12 identparam
// 1 DOUBLE_QUOTE 5 CURLY_CLOSE 9 groups
// 2 STRING 6 SEMICOLON 10 group
// 3 IDENTIFIER 7 error 11 identparams
start ::= groups.
groups ::= groups group.
groups ::= group.
identparams ::= identparams identparam.
identparams ::= identparam.
identparam ::= DOUBLE_QUOTE STRING|IDENTIFIER DOUBLE_QUOTE.
identparam ::= STRING|IDENTIFIER.
group ::= IDENTIFIER identparams CURLY_OPEN CURLY_CLOSE SEMICOLON.
group ::= IDENTIFIER CURLY_OPEN CURLY_CLOSE SEMICOLON.
Should be fairly simple.
Input :
service transparent nntp {
};
acl telnet-service-acl {
};
I've put the tracelog on pastebin : http://pastebin.com/9FiUmd6a , can anyone
en lighten me why the parser doesn't throw parser errors as I expect ?
Regards,
Igmar
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