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-rw-r--r--filter/config.Y39
-rw-r--r--filter/test.conf78
2 files changed, 90 insertions, 27 deletions
diff --git a/filter/config.Y b/filter/config.Y
index 5c8977c..4fe1473 100644
--- a/filter/config.Y
+++ b/filter/config.Y
@@ -8,7 +8,6 @@
FIXME (nonurgent): define keyword
FIXME: whole system of paths, path ~ string, path.prepend(), path.originate
FIXME: create community lists
- FIXME: enumerational types
FIXME: write access to dynamic attributes.
*/
@@ -41,9 +40,9 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, CONST,
%nonassoc THEN
%nonassoc ELSE
-%type <x> term block cmds cmd function_body constant print_one print_list var_list var_listn any_dynamic enums
+%type <x> term block cmds cmd function_body constant print_one print_list var_list var_listn any_dynamic
%type <f> filter filter_body
-%type <i> type break_command pair enum_rts
+%type <i> type break_command pair
%type <e> set_item set_items switch_body
%type <v> set_atom prefix prefix_s ipa
%type <s> decls declsn one_decl function_params
@@ -103,8 +102,8 @@ decls: /* EMPTY */ { $$ = NULL; }
/* Declarations that have no ';' at the end. */
declsn: one_decl { $$ = $1; }
| declsn ';' one_decl {
- $$ = $3;
- $$->aux = (int) $1;
+ $$ = $1;
+ $$->aux = (int) $3;
}
;
@@ -229,27 +228,6 @@ switch_body: /* EMPTY */ { $$ = NULL; }
}
;
-enum_rts:
- RTSDUMMY { $$ = 0; }
- | RTSSTATIC { $$ = 1; }
- | RTSINHERIT { $$ = 2; }
- | RTSDEVICE { $$ = 3; }
- | RTSSTATIC_DEVICE { $$ = 4; }
- | RTSREDIRECT { $$ = 5; }
- | RTSRIP { $$ = 6; }
- | RTSRIP_EXT { $$ = 7; }
- | RTSOSPF { $$ = 8; }
- | RTSOSPF_EXT { $$ = 9; }
- | RTSOSPF_IA { $$ = 10; }
- | RTSOSPF_BOUNDARY { $$ = 11; }
- | RTSBGP { $$ = 12; }
- | RTSPIPE { $$ = 13; }
- ;
-
-enums:
- enum_rts { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_ENUM_RTS; $$->a2.i = $1; }
- ;
-
constant:
CONST '(' expr ')' { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_INT; $$->a2.i = $3; }
| NUM { $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_INT; $$->a2.i = $1; }
@@ -260,7 +238,6 @@ constant:
| ipa { NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; }
| prefix_s {NEW_F_VAL; $$ = f_new_inst(); $$->code = 'C'; $$->a1.p = val; *val = $1; }
| '[' set_items ']' { printf( "We've got a set here..." ); $$ = f_new_inst(); $$->code = 'c'; $$->a1.i = T_SET; $$->a2.p = build_tree($2); printf( "ook\n" ); }
- | enums { $$ = $1; }
;
any_dynamic:
@@ -285,6 +262,13 @@ term:
| SYM {
$$ = f_new_inst();
switch ($1->class) {
+ case 0: /* This should better be an enum */
+ $$->code = 'c';
+ $$->a1.i = $1->aux;
+ if (($$->a1.i < T_ENUM_LO) || ($$->a1.i > T_ENUM_HI))
+ cf_error("You used symbol and it was not enum.\n");
+ $$->a2.i = (int) $1->aux2;
+ break;
case SYM_VARIABLE | T_INT:
case SYM_VARIABLE | T_PAIR:
case SYM_VARIABLE | T_PREFIX:
@@ -296,6 +280,7 @@ term:
cf_error("Can not use this class of symbol (%s,%x) as variable.", $1->name, $1->class );
}
}
+
| RTA '.' FROM { $$ = f_new_inst(); $$->code = 'a'; $$->a1.i = T_IP; $$->a2.i = OFFSETOF(struct rta, from); }
| RTA '.' GW { $$ = f_new_inst(); $$->code = 'a'; $$->a1.i = T_IP; $$->a2.i = OFFSETOF(struct rta, gw); }
diff --git a/filter/test.conf b/filter/test.conf
new file mode 100644
index 0000000..6f102a8
--- /dev/null
+++ b/filter/test.conf
@@ -0,0 +1,78 @@
+/*
+ * This is an example configuration file.
+ */
+
+# Yet another comment
+
+router id 62.168.0.1;
+
+define xyzzy = 120+10;
+
+function callme ( int arg1; int arg2 )
+int local1;
+int local2;
+int i;
+{
+ print "Ok";
+ print "Function callme called arguments " arg1 " and " arg2;
+ i = arg2;
+
+ case arg1 {
+ 2: print "dva"; print "jeste jednou dva";
+ 3 .. 5: print "tri az pet";
+ else: print "neco jineho";
+ }
+}
+
+function startup ()
+int i;
+prefix px;
+ip p;
+{
+ print "Testing filter language:";
+ i = 4;
+ i = 1230 + i;
+ i = ( i + 0 );
+ print " arithmetics: 1234 = " i;
+ printn " if statements ";
+ if i = 4 then { print "*** FAIL: if 0"; quitbird; } else printn ".";
+ if 1234 = i then printn "."; else { print "*** FAIL: if 1 else"; }
+ if 1 <= 1 then printn "."; else { print "*** FAIL: test 3"; }
+ if 1234 < 1234 then { print "*** FAIL: test 4"; quitbird; } else print "ok";
+ print " data types; must be true: " 1.2.3.4 = 1.2.3.4 "," 1 ~ [1,2,3] "," 5 ~ [1..20] "," 2 ~ [ 1, 2, 3 ] "," 5 ~ [ 4 .. 7 ] "," 1.2.3.4 ~ [ 1.2.3.3..1.2.3.5 ] "," 1.2.3.4 ~ 1.2.3.4/8 "," 1.2.3.4/8 ~ 1.2.3.4/8 "," 1.2.3.4/8 ~ [ 1.2.3.4/8+ ] "," 1.2.3.4/16 ~ [ 1.2.3.4/8{ 15 , 16 } ] "," defined(1) "," defined(1.2.3.4);
+ print " data types: must be false: " 1 ~ [ 2, 3, 4 ] "," 5 ~ [ 2, 3, 4, 7..11 ] "," 1.2.3.4 ~ [ 1.2.3.3, 1.2.3.5 ] "," (1,2) > (2,2) "," (1,1) > (1,1) "," 1.2.3.4/8 ~ [ 1.2.3.4/8- ] "," 1.2.3.4/17 ~ [ 1.2.3.4/8{ 15 , 16 } ];
+
+ px = 1.2.3.4/18;
+ print "Testing prefixes: 1.2.3.4/18 = " px;
+ p = 127.1.2.3;
+ print "Testing mask : 127.0.0.0 = " p.mask(8);
+ print "Testing pairs: (1,2) = " (1,2);
+#
+
+ print "What will this do? " [ 1, 2, 1, 1, 1, 3, 4, 1, 1, 1, 5 ];
+
+ print "Testing functions...";
+# callme ( 1, 2 );
+ callme ( 2, 2 );
+ callme ( 2, 2 );
+ callme ( 3, 2 );
+ callme ( 4, 2 );
+ callme ( 7, 2 );
+
+ print "done";
+ quitbird;
+# print "*** FAIL: this is unreachable";
+}
+
+filter testf
+int j;
+{
+ print "Heya, filtering route to " rta.net.ip " prefixlen " rta.net.len;
+ print "This route was from " rta.from;
+ j = 7;
+ j = 17;
+ if rta.rip_metric > 15 then
+ print "RIP Metric is more than infinity";
+
+ accept;
+}