diff options
Diffstat (limited to 'filter')
| -rw-r--r-- | filter/config.Y | 24 |
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; } ; /* |