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Filter: Fixed bugs in FI_CALL and FI_SWITCH

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This commit is contained in:
Maria Matejka 2019-02-18 14:57:15 +01:00
parent d348a916f5
commit 32793ab685
3 changed files with 21 additions and 18 deletions
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1
conf/confbase.Y
View file

@ -50,7 +50,6 @@ CF_DECLS
struct channel_config *cc;
struct f_inst *x;
struct f_inst *xp[2];
struct { struct f_inst *inst; uint count; } xc;
enum filter_return fret;
enum ec_subtype ecs;
struct f_dynamic_attr fda;

29
filter/config.Y
View file

@ -446,8 +446,7 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, UNSET, RETURN,
%nonassoc THEN
%nonassoc ELSE
%type <xc> function_params declsn
%type <xp> cmds_int function_body
%type <xp> cmds_int function_body declsn function_params
%type <x> term block cmd cmds constant constructor print_one print_list var_list var_listn function_call symbol_value bgp_path_expr bgp_path bgp_path_tail one_decl decls
%type <fda> dynamic_attr
%type <fsa> static_attr
@ -561,7 +560,7 @@ one_decl:
}
;
/* Decls with ';' at the end */
/* Decls with ';' at the end. Beware; these are reversed. */
decls: /* EMPTY */ { $$ = NULL; }
| one_decl ';' decls {
$$ = $1;
@ -569,12 +568,12 @@ decls: /* EMPTY */ { $$ = NULL; }
}
;
/* Declarations that have no ';' at the end. Beware; these are reversed. */
declsn: one_decl { $$.inst = $1; $$.count = 1; }
/* Declarations that have no ';' at the end. */
declsn: one_decl { $$[0] = $$[1] = $1; }
| one_decl ';' declsn {
$1->next = $3.inst;
$$.count = $3.count + 1;
$$.inst = $1;
$3[1]->next = $1;
$$[1] = $3[1] = $1;
$$[0] = $3[0];
}
;
@ -608,8 +607,8 @@ where_filter:
;
function_params:
'(' declsn ')' { $$ = $2; }
| '(' ')' { $$.inst = NULL; $$.count = 0; }
'(' declsn ')' { $$[0] = $2[0]; $$[1] = $2[1]; }
| '(' ')' { $$[0] = $$[1] = NULL; }
;
function_body:
@ -629,8 +628,8 @@ function_def:
uint count = 0;
/* Argument setters */
if ($4.inst)
catlist[count++] = $4.inst;
if ($4[0])
catlist[count++] = $4[0];
/* Local var clearers */
if ($5[0])
@ -644,7 +643,11 @@ function_def:
catlist[count++] = $5[1];
struct f_line *fl = f_postfixify_concat(catlist, count);
fl->args = $4.count;
fl->args = 0;
for (const struct f_inst *arg = $4[0]; arg; arg = arg->next)
fl->args++;
$2->function = fl;
cf_pop_scope();

9
filter/f-inst.c
View file

@ -790,17 +790,18 @@
INST(FI_SWITCH, 1, 0) {
ARG_ANY(1);
TREE;
if (!tree) {
const struct f_tree *t = find_tree(tree, &v1);
if (!t) {
v1.type = T_VOID;
tree = find_tree(tree, &v1);
if (!tree) {
t = find_tree(tree, &v1);
if (!t) {
debug( "No else statement?\n");
break;
}
}
/* It is actually possible to have t->data NULL */
LINEX(tree->data);
LINEX(t->data);
}
INST(FI_IP_MASK, 2, 1) { /* IP.MASK(val) */