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Overview
| Comment: | Lemon correctly recognizes an empty grammar and errors out. Fix for a bug reported on the sqlite-users mailing list. (CVS 3226) |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
55392922686691db3d41525a7f4cb7f9 |
| User & Date: | drh 2006-06-13 13:27:47 |
Context
|
2006-06-13
| ||
| 14:16 | Add simple tests for the xFilter and xBestIndex methods. (CVS 3227) check-in: 0f4657ea user: danielk1977 tags: trunk | |
| 13:27 | Lemon correctly recognizes an empty grammar and errors out. Fix for a bug reported on the sqlite-users mailing list. (CVS 3226) check-in: 55392922 user: drh tags: trunk | |
| 11:27 | Free error message string in the quick start example. (CVS 3225) check-in: 1273261b user: drh tags: trunk | |
Changes
Changes to tool/lemon.c.
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printf("Lemon version 1.0\n");
exit(0);
}
if( OptNArgs()!=1 ){
fprintf(stderr,"Exactly one filename argument is required.\n");
exit(1);
}
lem.errorcnt = 0;
/* Initialize the machine */
Strsafe_init();
Symbol_init();
State_init();
lem.argv0 = argv[0];
lem.filename = OptArg(0);
lem.basisflag = basisflag;
lem.has_fallback = 0;
lem.nconflict = 0;
lem.name = lem.include = lem.arg = lem.tokentype = lem.start = 0;
lem.vartype = 0;
lem.stacksize = 0;
lem.error = lem.overflow = lem.failure = lem.accept = lem.tokendest =
lem.tokenprefix = lem.outname = lem.extracode = 0;
lem.vardest = 0;
lem.tablesize = 0;
Symbol_new("$");
lem.errsym = Symbol_new("error");
lem.wildcard = 0;
/* Parse the input file */
Parse(&lem);
if( lem.errorcnt ) exit(lem.errorcnt);
if( lem.rule==0 ){
fprintf(stderr,"Empty grammar.\n");
exit(1);
}
/* Count and index the symbols of the grammar */
lem.nsymbol = Symbol_count();
Symbol_new("{default}");
|
> < < < < < < < < < < | |
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printf("Lemon version 1.0\n");
exit(0);
}
if( OptNArgs()!=1 ){
fprintf(stderr,"Exactly one filename argument is required.\n");
exit(1);
}
memset(&lem, 0, sizeof(lem));
lem.errorcnt = 0;
/* Initialize the machine */
Strsafe_init();
Symbol_init();
State_init();
lem.argv0 = argv[0];
lem.filename = OptArg(0);
lem.basisflag = basisflag;
Symbol_new("$");
lem.errsym = Symbol_new("error");
/* Parse the input file */
Parse(&lem);
if( lem.errorcnt ) exit(lem.errorcnt);
if( lem.nrule==0 ){
fprintf(stderr,"Empty grammar.\n");
exit(1);
}
/* Count and index the symbols of the grammar */
lem.nsymbol = Symbol_count();
Symbol_new("{default}");
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