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Dynamic attributes are now declared in per-protocol grammar files instead

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of filter/config.Y. Bird now compiles even if you disable RIP.

Removed RTA and IMPOSSIBLE tokens (unused).

Removed superfluous comment in filter.h.

I've tried to do my best, but Pavel, please check these changes.
This commit is contained in:
Martin Mares 2000-03-01 11:32:23 +00:00
parent 2ca3d9a8fc
commit db1326aa5e
4 changed files with 26 additions and 13 deletions
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21
filter/config.Y
View File

@ -34,16 +34,15 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, CONST, UNSET, RETURN,
INT, BOOL, IP, PREFIX, PAIR, SET, STRING,
IF, THEN, ELSE, CASE,
TRUE, FALSE,
RTA, FROM, GW, NET, MASK, RIP_METRIC, RIP_TAG, SOURCE,
FROM, GW, NET, MASK, SOURCE,
LEN,
DEFINED,
IMPOSSIBLE,
FILTER, WHERE)
%nonassoc THEN
%nonassoc ELSE
%type <x> term block cmds cmd function_body constant print_one print_list var_list var_listn any_dynamic function_call
%type <x> term block cmds cmd function_body constant print_one print_list var_list var_listn dynamic_attr function_call
%type <f> filter filter_body where_filter
%type <i> type break_command pair
%type <e> set_item set_items switch_body
@ -268,10 +267,12 @@ constant:
| ENUM { $$ = f_new_inst(); $$->code = 'c'; $$->aux = $1 >> 16; $$->a2.i = $1 & 0xffff; }
;
any_dynamic:
RIP_METRIC { $$ = f_new_inst(); $$->aux = T_INT; $$->a2.i = EA_RIP_METRIC;}
| RIP_TAG { $$ = f_new_inst(); $$->aux = T_INT; $$->a2.i = EA_RIP_TAG; }
;
/*
* Maybe there are no dynamic attributes defined by protocols.
* For such cases, we force the dynamic_attr list to contain
* at least an invalid token, so it's syntantically correct.
*/
CF_ADDTO(dynamic_attr, INVALID_TOKEN { $$ = NULL; })
rtadot: /* EMPTY, we are not permitted RTA. prefix */
;
@ -334,7 +335,7 @@ term:
| rtadot NET { $$ = f_new_inst(); $$->code = 'a'; $$->aux = T_PREFIX; $$->a2.i = 0x12345678; }
| rtadot SOURCE { $$ = f_new_inst(); $$->code = 'a'; $$->aux = T_ENUM_RTS; $$->a2.i = OFFSETOF(struct rta, gw); }
| rtadot any_dynamic { $$ = $2; $$->code = P('e','a'); }
| rtadot dynamic_attr { $$ = $2; $$->code = P('e','a'); }
| term '.' IP { $$ = f_new_inst(); $$->code = P('c','p'); $$->a1.p = $1; $$->aux = T_IP; }
| term '.' LEN { $$ = f_new_inst(); $$->code = P('c','p'); $$->a1.p = $1; $$->aux = T_INT; }
@ -416,12 +417,12 @@ cmd:
$$->code = 'r';
$$->a1.p = $2;
}
| rtadot any_dynamic '=' term ';' {
| rtadot dynamic_attr '=' term ';' {
$$ = $2;
$$->code = P('e','S');
$$->a1.p = $4;
}
| UNSET '(' rtadot any_dynamic ')' ';' {
| UNSET '(' rtadot dynamic_attr ')' ';' {
$$ = $4;
$$->aux = T_VOID;
$$->code = P('e','S');

9
filter/f-util.c
View File

@ -32,6 +32,15 @@ f_new_inst(void)
return ret;
}
struct f_inst *
f_new_dynamic_attr(int code)
{
struct f_inst *f = f_new_inst();
f->aux = T_INT;
f->a2.i = code;
return f;
}
char *
filter_name(struct filter *filter)
{

3
filter/filter.h
View File

@ -57,6 +57,7 @@ struct filter {
void filters_postconfig(void);
struct f_inst *f_new_inst(void);
struct f_inst *f_new_dynamic_attr(int code);
struct f_tree *f_new_tree(void);
struct f_tree *build_tree(struct f_tree *);
@ -121,6 +122,4 @@ struct f_tree {
#define NEW_F_VAL struct f_val * val; val = cfg_alloc(sizeof(struct f_val));
/* Create pair from two letters */
#endif

6
proto/rip/config.Y
View File

@ -25,7 +25,8 @@ CF_DECLS
CF_KEYWORDS(RIP, INFINITY, METRIC, PORT, PERIOD, GARBAGETIME, PASSWORDS,
MODE, BROADCAST, QUIET, NOLISTEN, VERSION1,
AUTHENTICATION, NONE, PLAINTEXT, MD5,
HONOUR, NEVER, NEIGHBOUR, ALWAYS)
HONOUR, NEVER, NEIGHBOUR, ALWAYS,
RIP_METRIC, RIP_TAG)
%type <i> rip_mode rip_auth
@ -97,6 +98,9 @@ rip_iface_list:
| rip_iface_list ',' rip_iface
;
CF_ADDTO(dynamic_attr, RIP_METRIC { $$ = f_new_dynamic_attr(EA_RIP_METRIC); })
CF_ADDTO(dynamic_attr, RIP_TAG { $$ = f_new_dynamic_attr(EA_RIP_TAG); })
CF_CODE
CF_END