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Enumerational types, defined keyword added.
This commit is contained in:
Pavel Machek
parent
6ba36f06ae
commit
f453665704
@ -26,10 +26,12 @@ int i;
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function startup ()
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int i;
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prefix px;
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ip p;
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{
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print "Testing filter language:";
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i = 4;
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i = 1230 + i;
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i = ( i + 0 );
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print " arithmetics: 1234 = " i;
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printn " if statements ";
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if i = 4 then { print "*** FAIL: if 0"; quitbird; } else printn ".";
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@ -37,11 +39,13 @@ prefix px;
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if 1 <= 1 then printn "."; else { print "*** FAIL: test 3"; }
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if 1234 < 1234 then { print "*** FAIL: test 4"; quitbird; } else print "ok";
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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 };
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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);
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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 };
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px = 1.2.3.4/18;
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print "Testing prefixes: 1.2.3.4/18 = " px;
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p = 127.1.2.3;
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print "Testing mask : 127.0.0.0 = " p.mask(8);
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print "Testing pairs: (1,2) = " (1,2);
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print "What will this do? " [ 1, 2, 1, 1, 1, 3, 4, 1, 1, 1, 5 ];
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@ -46,7 +46,7 @@ CF_DECLS
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%type <i> expr bool pxlen datetime
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%nonassoc '=' '<' '>' '~' IF ELSE '.'
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%nonassoc '=' '<' '>' '~' '.'
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%left '+' '-'
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%left '*' '/' '%'
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%left '!'
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@ -5,12 +5,11 @@
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*
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* Can be freely distributed and used under the terms of the GNU GPL.
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*
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FIXME: define keyword
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FIXME: create ip.mask(x) function
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FIXME (nonurgent): define keyword
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FIXME: whole system of paths, path ~ string, path.prepend(), path.originate
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FIXME: create community lists
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FIXME: enumerational types
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FIXME: defined() keyword
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FIXME: write access to dynamic attributes.
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*/
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CF_HDR
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@ -32,11 +31,15 @@ CF_KEYWORDS(FUNCTION, PRINT, PRINTN, CONST,
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TRUE, FALSE,
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RTA, FROM, GW, NET, MASK, RIP_METRIC, RIP_TAG,
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LEN,
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DEFINED,
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IMPOSSIBLE,
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FILTER
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)
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%type <x> term block cmds cmd function_body ifthen constant print_one print_list var_list var_listn
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%nonassoc THEN
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%nonassoc ELSE ';'
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%type <x> term block cmds cmd function_body ifthen constant print_one print_list var_list var_listn any_dynamic
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%type <f> filter filter_body
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%type <i> type break_command pair
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%type <e> set_item set_items switch_body
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@ -237,8 +240,15 @@ constant:
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| '[' 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" ); }
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;
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any_dynamic:
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RIP_METRIC { $$ = f_new_inst(); $$->a1.i = T_INT; $$->a2.i = EA_RIP_METRIC;}
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| RIP_TAG { $$ = f_new_inst(); $$->a1.i = T_INT; $$->a2.i = EA_RIP_TAG; }
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;
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term:
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term '+' term { $$ = f_new_inst(); $$->code = '+'; $$->a1.p = $1; $$->a2.p = $3; }
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'(' term ')' { $$ = $2; }
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| term '+' term { $$ = f_new_inst(); $$->code = '+'; $$->a1.p = $1; $$->a2.p = $3; }
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| term '=' term { $$ = f_new_inst(); $$->code = '=='; $$->a1.p = $1; $$->a2.p = $3; }
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| term '!' '=' term { $$ = f_new_inst(); $$->code = '!='; $$->a1.p = $1; $$->a2.p = $4; }
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| term '<' term { $$ = f_new_inst(); $$->code = '<'; $$->a1.p = $1; $$->a2.p = $3; }
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@ -246,6 +256,7 @@ term:
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| term '>' term { $$ = f_new_inst(); $$->code = '<'; $$->a1.p = $3; $$->a2.p = $1; }
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| term '>' '=' term { $$ = f_new_inst(); $$->code = '<='; $$->a1.p = $4; $$->a2.p = $1; }
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| term '~' term { $$ = f_new_inst(); $$->code = '~'; $$->a1.p = $1; $$->a2.p = $3; }
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| DEFINED '(' term ')' { $$ = f_new_inst(); $$->code = 'de'; $$->a1.p = $3; }
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| SYM {
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$$ = f_new_inst();
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@ -267,7 +278,7 @@ term:
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| RTA '.' GW { $$ = f_new_inst(); $$->code = 'a'; $$->a1.i = T_IP; $$->a2.i = OFFSETOF(struct rta, gw); }
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| RTA '.' NET { $$ = f_new_inst(); $$->code = 'a'; $$->a1.i = T_PREFIX; $$->a2.i = 0x12345678; }
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| RTA '.' RIP_METRIC { $$ = f_new_inst(); $$->code = 'ea'; $$->a1.i = T_INT; $$->a2.i = EA_RIP_METRIC; }
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| RTA '.' any_dynamic { $$ = $3; $$->code = 'ea'; }
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| term '.' IP { $$ = f_new_inst(); $$->code = 'cp'; $$->a1.p = $1; $$->a2.i = T_IP; }
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| term '.' LEN { $$ = f_new_inst(); $$->code = 'cp'; $$->a1.p = $1; $$->a2.i = T_INT; }
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@ -62,6 +62,7 @@ val_compare(struct f_val v1, struct f_val v2)
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if (v1.type != v2.type)
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return CMP_ERROR;
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switch (v1.type) {
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case T_ENUM:
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case T_INT:
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case T_PAIR:
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if (v1.val.i == v2.val.i) return 0;
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@ -219,6 +220,11 @@ interpret(struct f_inst *what)
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if (res.val.i == CMP_ERROR)
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runtime( "~ applied on unknown type pair" );
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break;
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case 'de':
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ONEARG;
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res.type = T_BOOL;
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res.val.i = (v1.type != T_VOID);
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break;
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/* Set to indirect value, a1 = variable, a2 = value */
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case 's':
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@ -226,6 +232,7 @@ interpret(struct f_inst *what)
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sym = what->a1.p;
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switch (res.type = v2.type) {
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case T_VOID: runtime( "Can not assign void values" );
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case T_ENUM:
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case T_INT:
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case T_IP:
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case T_PREFIX:
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@ -352,8 +359,16 @@ interpret(struct f_inst *what)
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}
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break;
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case 'iM': /* IP.MASK(val) */
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TWOARGS_C;
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bug( "Should implement ip.mask\n" );
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TWOARGS;
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if (v2.type != T_INT)
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runtime( "Can not use this type for mask.");
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if (v1.type != T_IP)
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runtime( "You can mask only IP addresses." );
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{
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ip_addr mask = ipa_mkmask(v2.val.i);
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res.type = T_IP;
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res.val.px.ip = ipa_and(mask, v1.val.px.ip);
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}
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break;
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default:
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bug( "Unknown instruction %d (%c)", what->code, what->code & 0xff);
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@ -92,7 +92,12 @@ void val_print(struct f_val v);
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#define T_INT 0x10
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#define T_BOOL 0x11
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#define T_PAIR 0x12
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#define T_ENUM 0x13
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/* Put enumerational types in 0x30..0x7f range */
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#define T_ENUM_LO 0x30
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#define T_ENUM_HI 0x7f
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#define T_ENUM T_ENUM_LO ... T_ENUM_HI
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/* Bigger ones */
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#define T_IP 0x20
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