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Filter: Make the IF instruction three-args

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Dropping another old quirk.
This commit is contained in:
Jan Maria Matejka 2018-05-30 17:18:56 +02:00
parent 8e86ffce82
commit 76cc61fa51
2 changed files with 8 additions and 11 deletions
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8
filter/config.Y
View File

@ -989,12 +989,10 @@ cmd:
$$->a2.p = $4;
}
| IF term THEN block ELSE block {
struct f_inst *i = f_new_inst(FI_CONDITION);
i->a1.p = $2;
i->a2.p = $4;
$$ = f_new_inst(FI_CONDITION);
$$->a1.p = i;
$$->a2.p = $6;
$$->a1.p = $2;
$$->a2.p = $4;
$$->a3.p = $6;
}
| SYM '=' term ';' {
DBG( "Ook, we'll set value\n" );

11
filter/filter.c
View File

@ -897,14 +897,13 @@ interpret(struct f_inst *what)
ARG_ANY(1);
val_format(v1, &f_buf);
break;
case FI_CONDITION: /* ? has really strange error value, so we can implement if ... else nicely :-) */
case FI_CONDITION:
ARG(1, T_BOOL);
if (v1.val.i) {
ARG_ANY(2);
res.val.i = 0;
} else
res.val.i = 1;
res.type = T_BOOL;
} else {
ARG_ANY(3);
}
break;
case FI_NOP:
debug( "No operation\n" );
@ -1669,7 +1668,7 @@ i_same(struct f_inst *f1, struct f_inst *f2)
return 0;
break;
case FI_PRINT: case FI_LENGTH: ONEARG; break;
case FI_CONDITION: TWOARGS; break;
case FI_CONDITION: THREEARGS; break;
case FI_NOP: case FI_EMPTY: break;
case FI_PRINT_AND_DIE: ONEARG; A2_SAME; break;
case FI_PREF_GET: