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authorOndrej Zajicek <santiago@crfreenet.org>2009-01-27 17:35:00 +0100
committerOndrej Zajicek <santiago@crfreenet.org>2009-01-27 17:35:00 +0100
commitf9491630390da4de138961354433635729668b7d (patch)
tree2da7fd6b4aaa357a59dea672cfcd195d2a3ac5db /filter
parent11ec0f1a5171c556dec09e90c20af12f45a6d902 (diff)
downloadbird-f9491630390da4de138961354433635729668b7d.tar
bird-f9491630390da4de138961354433635729668b7d.zip
New syntax for bgp_path
Diffstat (limited to 'filter')
-rw-r--r--filter/config.Y24
1 files changed, 17 insertions, 7 deletions
diff --git a/filter/config.Y b/filter/config.Y
index 67270b3..fa2453d 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -38,7 +38,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN,
%type <e> set_item set_items switch_body
%type <v> set_atom fprefix fprefix_s fipa
%type <s> decls declsn one_decl function_params
-%type <h> bgp_path
+%type <h> bgp_path bgp_path_tail1 bgp_path_tail2
CF_GRAMMAR
@@ -267,12 +267,22 @@ switch_body: /* EMPTY */ { $$ = NULL; }
/* CONST '(' expr ')' { $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_INT; $$->a2.i = $3; } */
+bgp_path:
+ '|' bgp_path_tail1 '|' { $$ = $2; }
+ | '/' bgp_path_tail2 '/' { $$ = $2; }
+ | OR { $$ = NULL; } /* special case because of || is a different token */
+ ;
+
+bgp_path_tail1:
+ NUM bgp_path_tail1 { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = $2; $$->val = $1; $$->any = 0; }
+ | '*' bgp_path_tail1 { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = $2; $$->val = 0; $$->any = 1; }
+ | { $$ = NULL; }
+ ;
-bgp_path:
- NUM { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = NULL; $$->val = $1; $$->any = 0; }
- | '?' { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = NULL; $$->val = 0; $$->any = 1; }
- | NUM bgp_path { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = $2; $$->val = $1; $$->any = 0; }
- | '?' bgp_path { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = $2; $$->val = 0; $$->any = 1; }
+bgp_path_tail2:
+ NUM bgp_path_tail2 { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = $2; $$->val = $1; $$->any = 0; }
+ | '?' bgp_path_tail2 { $$ = cfg_alloc(sizeof(struct f_path_mask)); $$->next = $2; $$->val = 0; $$->any = 1; }
+ | { $$ = NULL; }
;
constant:
@@ -285,7 +295,7 @@ constant:
| fprefix_s {NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; }
| '[' set_items ']' { DBG( "We've got a set here..." ); $$ = f_new_inst(); $$->code = 'c'; $$->aux = T_SET; $$->a2.p = build_tree($2); DBG( "ook\n" ); }
| ENUM { $$ = f_new_inst(); $$->code = 'c'; $$->aux = $1 >> 16; $$->a2.i = $1 & 0xffff; }
- | '/' bgp_path '/' { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; val->type = T_PATH_MASK; val->val.path_mask = $2; $$->a1.p = val; }
+ | bgp_path { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; val->type = T_PATH_MASK; val->val.path_mask = $1; $$->a1.p = val; }
;
/*