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Filter operations: bitwise AND and OR

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This commit is contained in:
Maria Matejka 2022-03-25 19:15:11 +01:00
parent cd9550b244
commit d4bcef0e0b
5 changed files with 22 additions and 1 deletions
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2
conf/cf-lex.l
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@ -347,7 +347,7 @@ else: {
return DDOT;
}
[={}:;,.()+*/%<>~\[\]?!\|-] {
[={}:;,.()+*/%<>~\[\]?!\|&-] {
return yytext[0];
}

1
conf/confbase.Y
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@ -120,6 +120,7 @@ CF_DECLS
%nonassoc PREFIX_DUMMY
%left AND OR
%nonassoc '=' '<' '>' '~' GEQ LEQ NEQ NMA PO PC
%left '|' '&'
%left '+' '-'
%left '*' '/' '%'
%left '!'

2
filter/config.Y
View File

@ -780,6 +780,8 @@ term:
| term '-' term { $$ = f_new_inst(FI_SUBTRACT, $1, $3); }
| term '*' term { $$ = f_new_inst(FI_MULTIPLY, $1, $3); }
| term '/' term { $$ = f_new_inst(FI_DIVIDE, $1, $3); }
| term '&' term { $$ = f_new_inst(FI_BITAND, $1, $3); }
| term '|' term { $$ = f_new_inst(FI_BITOR, $1, $3); }
| term AND term { $$ = f_new_inst(FI_AND, $1, $3); }
| term OR term { $$ = f_new_inst(FI_OR, $1, $3); }
| term '=' term { $$ = f_new_inst(FI_EQ, $1, $3); }

10
filter/f-inst.c
View File

@ -240,6 +240,16 @@
if (v2.val.i == 0) runtime( "Mother told me not to divide by 0" );
RESULT(T_INT, i, v1.val.i / v2.val.i);
}
INST(FI_BITOR, 2, 1) {
ARG(1,T_INT);
ARG(2,T_INT);
RESULT(T_INT, i, v1.val.i | v2.val.i);
}
INST(FI_BITAND, 2, 1) {
ARG(1,T_INT);
ARG(2,T_INT);
RESULT(T_INT, i, v1.val.i & v2.val.i);
}
INST(FI_AND, 1, 1) {
ARG(1,T_BOOL);
ARG_TYPE_STATIC(2,T_BOOL);

8
filter/test.conf
View File

@ -111,6 +111,14 @@ int i;
bt_assert(!(i = 4));
bt_assert(1 <= 1);
bt_assert(!(1234 < 1234));
bt_assert(10 - 5 = 5);
bt_assert(4294967295 + 1 = 0);
bt_assert(6*9=54);
bt_assert(984/41 = 24);
bt_assert(123/45 = 2);
bt_assert(0xfee1a | 0xbeef = 0xffeff);
bt_assert(0xfee1a & 0xbeef = 0xae0a);
}
bt_test_suite(t_int, "Testing integers");