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Dropping empty-type const f_vals, they were copied anyway

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Maria Matejka 2023-06-09 11:02:05 +02:00 committed by Ondrej Zajicek
parent 8659818391
commit a5a6de581b
3 changed files with 21 additions and 30 deletions
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34
filter/config.Y
View File

@ -191,30 +191,34 @@ f_new_lc_item(u32 f1, u32 t1, u32 f2, u32 t2, u32 f3, u32 t3)
}
static inline struct f_inst *
f_generate_empty(struct f_dynamic_attr dyn)
f_const_empty(struct f_dynamic_attr dyn)
{
struct f_val empty;
switch (dyn.type & EAF_TYPE_MASK) {
switch (dyn.type) {
case EAF_TYPE_AS_PATH:
empty = f_const_empty_path;
break;
case EAF_TYPE_INT_SET:
empty = f_const_empty_clist;
break;
case EAF_TYPE_EC_SET:
empty = f_const_empty_eclist;
break;
case EAF_TYPE_LC_SET:
empty = f_const_empty_lclist;
empty = (struct f_val) {
.type = dyn.f_type,
.val.ad = &null_adata,
};
break;
default:
cf_error("Can't empty that attribute");
}
return f_new_inst(FI_EA_SET, f_new_inst(FI_CONSTANT, empty), dyn);
return f_new_inst(FI_CONSTANT, empty);
}
#define f_dummy_dynattr(_type, _f_type) ((struct f_dynamic_attr) { .type = _type, .f_type = _f_type, })
#define f_const_empty_path f_const_empty(f_dummy_dynattr(EAF_TYPE_AS_PATH, T_PATH))
#define f_const_empty_clist f_const_empty(f_dummy_dynattr(EAF_TYPE_INT_SET, T_CLIST))
#define f_const_empty_eclist f_const_empty(f_dummy_dynattr(EAF_TYPE_EC_SET, T_ECLIST))
#define f_const_empty_lclist f_const_empty(f_dummy_dynattr(EAF_TYPE_LC_SET, T_LCLIST))
/*
* Remove all new lines and doubled whitespaces
* and convert all tabulators to spaces
@ -856,10 +860,10 @@ term:
| dynamic_attr '.' RESET{ }
*/
| '+' EMPTY '+' { $$ = f_new_inst(FI_CONSTANT, f_const_empty_path); }
| '-' EMPTY '-' { $$ = f_new_inst(FI_CONSTANT, f_const_empty_clist); }
| '-' '-' EMPTY '-' '-' { $$ = f_new_inst(FI_CONSTANT, f_const_empty_eclist); }
| '-' '-' '-' EMPTY '-' '-' '-' { $$ = f_new_inst(FI_CONSTANT, f_const_empty_lclist); }
| '+' EMPTY '+' { $$ = f_const_empty_path; }
| '-' EMPTY '-' { $$ = f_const_empty_clist; }
| '-' '-' EMPTY '-' '-' { $$ = f_const_empty_eclist; }
| '-' '-' '-' EMPTY '-' '-' '-' { $$ = f_const_empty_lclist; }
| PREPEND '(' term ',' term ')' { $$ = f_new_inst(FI_PATH_PREPEND, $3, $5); }
| ADD '(' term ',' term ')' { $$ = f_new_inst(FI_CLIST_ADD, $3, $5); }
| DELETE '(' term ',' term ')' { $$ = f_new_inst(FI_CLIST_DEL, $3, $5); }
@ -984,7 +988,7 @@ cmd:
$$ = f_new_inst(FI_SWITCH, $2, $4);
}
| dynamic_attr '.' EMPTY ';' { $$ = f_generate_empty($1); }
| dynamic_attr '.' EMPTY ';' { $$ = f_new_inst(FI_EA_SET, f_const_empty($1), $1); }
| dynamic_attr '.' PREPEND '(' term ')' ';' { $$ = f_generate_complex( FI_PATH_PREPEND, $1, $5 ); }
| dynamic_attr '.' ADD '(' term ')' ';' { $$ = f_generate_complex( FI_CLIST_ADD, $1, $5 ); }
| dynamic_attr '.' DELETE '(' term ')' ';' { $$ = f_generate_complex( FI_CLIST_DEL, $1, $5 ); }

15
filter/data.c
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@ -82,20 +82,7 @@ f_type_element_type(enum f_type t)
}
const struct f_trie f_const_empty_trie = { .ipv4 = -1, };
const struct f_val f_const_empty_path = {
.type = T_PATH,
.val.ad = &null_adata,
}, f_const_empty_clist = {
.type = T_CLIST,
.val.ad = &null_adata,
}, f_const_empty_eclist = {
.type = T_ECLIST,
.val.ad = &null_adata,
}, f_const_empty_lclist = {
.type = T_LCLIST,
.val.ad = &null_adata,
}, f_const_empty_prefix_set = {
const struct f_val f_const_empty_prefix_set = {
.type = T_PREFIX_SET,
.val.ti = &f_const_empty_trie,
};

2
filter/data.h
View File

@ -316,7 +316,7 @@ undef_value(struct f_val v)
(v.val.ad == &null_adata);
}
extern const struct f_val f_const_empty_path, f_const_empty_clist, f_const_empty_eclist, f_const_empty_lclist, f_const_empty_prefix_set;
extern const struct f_val f_const_empty_prefix_set;
enum filter_return f_eval(const struct f_line *expr, struct linpool *tmp_pool, struct f_val *pres);