diff options
Diffstat (limited to 'filter/filter.c')
| -rw-r--r-- | filter/filter.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/filter/filter.c b/filter/filter.c index e300794a..246fbf67 100644 --- a/filter/filter.c +++ b/filter/filter.c @@ -10,6 +10,13 @@ /** * DOC: Filters * + * You can find sources of filters language in filter/ + * directory. filter/config.Y filter grammar, and basically translates + * source from user into tree of &f_inst structures. These trees are + * later interpreted using code in filter/filter.c. Filters internally + * work with values/variables in struct f_val, which contains type of + * value and value. + * * Filter consists of tree of &f_inst structures, one structure per * "instruction". Each &f_inst contains code, aux value which is * usually type of data this instruction operates on, and two generic @@ -23,8 +30,7 @@ * forced. Important thing about &f_val s is that they may be copied * with simple =. That's fine for all currently defined types: strings * are read-only (and therefore okay), paths are copied for each - * operation (okay too). - */ + * operation (okay too). */ #undef LOCAL_DEBUG |