diff options
Diffstat (limited to 'filter/config.Y')
| -rw-r--r-- | filter/config.Y | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/filter/config.Y b/filter/config.Y index f8f47862..c7c82068 100644 --- a/filter/config.Y +++ b/filter/config.Y @@ -296,7 +296,7 @@ assert_assign(struct f_lval *lval, struct f_inst *expr, const char *start, const checker = f_new_inst(FI_EQ, expr, getter); setter->next = checker; - + return assert_done(setter, start, end); } @@ -307,6 +307,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN, INT, BOOL, IP, TYPE, PREFIX, RD, PAIR, QUAD, EC, LC, SET, STRING, BGPMASK, BGPPATH, CLIST, ECLIST, LCLIST, IF, THEN, ELSE, CASE, + FOR, IN, DO, TRUE, FALSE, RT, RO, UNKNOWN, GENERIC, FROM, GW, NET, MASK, PROTO, SOURCE, SCOPE, DEST, IFNAME, IFINDEX, WEIGHT, GW_MPLS, PREFERENCE, @@ -342,6 +343,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN, %type <v> set_atom switch_atom fipa %type <px> fprefix %type <t> get_cf_position +%type <s> for_var CF_GRAMMAR @@ -899,6 +901,11 @@ var: $$ = f_new_inst(FI_VAR_INIT, $3, sym); } +for_var: + type symbol { $$ = cf_define_symbol($2, SYM_VARIABLE | $1, offset, f_new_var(sym_->scope)); } + | CF_SYM_KNOWN { $$ = $1; cf_assert_symbol($1, SYM_VARIABLE); } + ; + cmd: '{' cmds_scoped '}' { $$ = $2; @@ -909,6 +916,18 @@ cmd: | IF term THEN cmd ELSE cmd { $$ = f_new_inst(FI_CONDITION, $2, $4, $6); } + | FOR { + /* Reserve space for walk data on stack */ + cf_push_scope(NULL); + conf_this_scope->slots += 2; + } for_var IN + /* Parse term in the parent scope */ + { conf_this_scope->active = 0; } term { conf_this_scope->active = 1; } + DO cmd { + cf_pop_scope(); + $$ = f_new_inst(FI_FOR_INIT, $6, $3); + $$->next = f_new_inst(FI_FOR_NEXT, $3, $9); + } | CF_SYM_KNOWN '=' term ';' { switch ($1->class) { case SYM_VARIABLE_RANGE: |