mirror/labs-bird
1
0
Fork 0
mirror of https://gitlab.labs.nic.cz/labs/bird.git synced 2024-05-11 16:54:54 +00:00
Code Releases Activity

Merge commit '58efa944' into thread-next

Browse Source 
Conflicts:
	conf/cf-lex.l
	conf/conf.h
	conf/confbase.Y
	conf/gen_keywords.m4
	conf/gen_parser.m4
	filter/config.Y
	nest/config.Y
	proto/bgp/config.Y
	proto/static/config.Y

Keywords and attributes are split to separate namespaces, to avoid
collisions between regular keyword use and attribute overlay.
This commit is contained in:
Maria Matejka
2023-10-25 14:41:11 +02:00
parent c4bcded8b9 58efa94460
commit da52d66177
8 changed files with 121 additions and 98 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
filter/config.Y
View File

@@ -364,13 +364,17 @@ conf: FILTER STACKS expr expr ';' {
conf: filter_def ;
filter_def:
FILTER symbol { $2 = cf_define_symbol($2, SYM_FILTER, filter, NULL); cf_push_scope( $2 ); }
filter_body {
FILTER symbol {
$2 = cf_define_symbol($2, SYM_FILTER, filter, NULL);
cf_enter_filters();
cf_push_scope( $2 );
} filter_body {
struct filter *f = cfg_alloc(sizeof(struct filter));
*f = (struct filter) { .sym = $2, .root = $4 };
$2->filter = f;
cf_pop_scope();
cf_exit_filters();
}
;
@@ -393,7 +397,7 @@ custom_attr: ATTRIBUTE type symbol ';' {
conf: bt_test_suite ;
bt_test_suite:
BT_TEST_SUITE '(' symbol_known ',' text ')' {
BT_TEST_SUITE '(' CF_SYM_KNOWN ',' text ')' {
cf_assert_symbol($3, SYM_FUNCTION);
struct f_bt_test_suite *t = cfg_allocz(sizeof(struct f_bt_test_suite));
t->fn = $3->function;
@@ -406,7 +410,7 @@ bt_test_suite:
conf: bt_test_same ;
bt_test_same:
BT_TEST_SAME '(' symbol_known ',' symbol_known ',' NUM ')' {
BT_TEST_SAME '(' CF_SYM_KNOWN ',' CF_SYM_KNOWN ',' NUM ')' {
cf_assert_symbol($3, SYM_FUNCTION);
cf_assert_symbol($5, SYM_FUNCTION);
struct f_bt_test_suite *t = cfg_allocz(sizeof(struct f_bt_test_suite));
@@ -488,23 +492,30 @@ function_vars:
filter_body: function_body ;
filter:
symbol_known {
CF_SYM_KNOWN {
cf_assert_symbol($1, SYM_FILTER);
$$ = $1->filter;
}
| { cf_push_scope(NULL); } filter_body {
| {
cf_enter_filters();
cf_push_scope(NULL);
} filter_body {
struct filter *f = cfg_alloc(sizeof(struct filter));
*f = (struct filter) { .root = $2 };
$$ = f;
cf_pop_scope();
cf_exit_filters();
}
;
where_filter:
WHERE term {
WHERE {
cf_enter_filters();
} term {
/* Construct 'IF term THEN { ACCEPT; } ELSE { REJECT; }' */
$$ = f_new_where($2);
$$ = f_new_where($3);
cf_exit_filters();
}
;
@@ -520,6 +531,7 @@ function_def:
FUNCTION symbol {
DBG( "Beginning of function %s\n", $2->name );
$2 = cf_define_symbol($2, SYM_FUNCTION, function, NULL);
cf_enter_filters();
cf_push_scope($2);
} function_args {
/* Make dummy f_line for storing function prototype */
@@ -540,6 +552,7 @@ function_def:
$6->arg_list = $2->function->arg_list;
$2->function = $6;
cf_pop_scope();
cf_exit_filters();
}
;
@@ -601,7 +614,7 @@ set_atom:
$$ = cf_eval_tmp($2, T_VOID);
if (!f_valid_set_type($$.type)) cf_error("Set-incompatible type");
}
| symbol_known {
| CF_SYM_KNOWN {
cf_assert_symbol($1, SYM_CONSTANT);
if (!f_valid_set_type(SYM_TYPE($1))) cf_error("%s: set-incompatible type", $1->name);
$$ = *$1->val;
@@ -773,7 +786,7 @@ var_list: /* EMPTY */ { $$ = NULL; }
| var_list ',' term { $$ = $3; $$->next = $1; }
function_call:
symbol_known '(' var_list ')'
CF_SYM_KNOWN '(' var_list ')'
{
if ($1->class != SYM_FUNCTION)
cf_error("You can't call something which is not a function. Really.");
@@ -792,7 +805,7 @@ function_call:
}
;
symbol_value: symbol_known
symbol_value: CF_SYM_KNOWN
{
switch ($1->class) {
case SYM_CONSTANT_RANGE:
@@ -951,7 +964,7 @@ cmd:
$$ = f_new_inst(FI_FOR_INIT, $6, $3);
$$->next = f_new_inst(FI_FOR_NEXT, $3, $9);
}
| symbol_known '=' term ';' {
| CF_SYM_KNOWN '=' term ';' {
switch ($1->class) {
case SYM_VARIABLE_RANGE:
$$ = f_new_inst(FI_VAR_SET, $3, $1);
@@ -974,7 +987,7 @@ cmd:
cf_error( "This static attribute is read-only.");
$$ = f_new_inst(FI_RTA_SET, $3, $1);
}
| UNSET '(' symbol_known ')' ';' {
| UNSET '(' CF_SYM_KNOWN ')' ';' {
if ($3->class != SYM_ATTRIBUTE)
cf_error("Can't unset %s", $3->name);
if ($3->attribute->readonly)
@@ -1004,11 +1017,11 @@ cmd:
$$ = f_new_inst(FI_SWITCH, $2, $4);
}
| symbol_known '.' EMPTY ';' { $$ = f_generate_empty($1); }
| symbol_known '.' PREPEND '(' term ')' ';' { $$ = f_generate_complex_sym( FI_PATH_PREPEND, $1, $5 ); }
| symbol_known '.' ADD '(' term ')' ';' { $$ = f_generate_complex_sym( FI_CLIST_ADD, $1, $5 ); }
| symbol_known '.' DELETE '(' term ')' ';' { $$ = f_generate_complex_sym( FI_CLIST_DEL, $1, $5 ); }
| symbol_known '.' FILTER '(' term ')' ';' { $$ = f_generate_complex_sym( FI_CLIST_FILTER, $1, $5 ); }
| CF_SYM_KNOWN '.' EMPTY ';' { $$ = f_generate_empty($1); }
| CF_SYM_KNOWN '.' PREPEND '(' term ')' ';' { $$ = f_generate_complex_sym( FI_PATH_PREPEND, $1, $5 ); }
| CF_SYM_KNOWN '.' ADD '(' term ')' ';' { $$ = f_generate_complex_sym( FI_CLIST_ADD, $1, $5 ); }
| CF_SYM_KNOWN '.' DELETE '(' term ')' ';' { $$ = f_generate_complex_sym( FI_CLIST_DEL, $1, $5 ); }
| CF_SYM_KNOWN '.' FILTER '(' term ')' ';' { $$ = f_generate_complex_sym( FI_CLIST_FILTER, $1, $5 ); }
| BT_ASSERT '(' get_cf_position term get_cf_position ')' ';' { $$ = assert_done($4, $3 + 1, $5 - 1); }
| BT_CHECK_ASSIGN '(' get_cf_position lvalue get_cf_position ',' term ')' ';' { $$ = assert_assign(&$4, $7, $3 + 1, $5 - 1); }
;
@@ -1019,7 +1032,7 @@ get_cf_position:
};
lvalue:
symbol_known {
CF_SYM_KNOWN {
switch ($1->class) {
case SYM_VARIABLE_RANGE:
$$ = (struct f_lval) { .type = F_LVAL_VARIABLE, .sym = $1 };