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Filter: Resolving of defined constants in config time

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This commit is contained in:
Maria Matejka 2019-07-01 14:12:05 +02:00
parent 26bfe59f45
commit 30667d5041
2 changed files with 10 additions and 37 deletions
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2
filter/config.Y
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@ -856,7 +856,7 @@ symbol_value: CF_SYM_KNOWN
{
switch ($1->class) {
case SYM_CONSTANT_RANGE:
$$ = f_new_inst(FI_CONSTANT_DEFINED, $1);
$$ = f_new_inst(FI_CONSTANT, *($1->val));
break;
case SYM_VARIABLE_RANGE:
$$ = f_new_inst(FI_VAR_GET, $1);

45
filter/f-inst.c
View file

@ -39,7 +39,7 @@
* m4_dnl C type, for storage in structs
* m4_dnl name in f_inst, how the member is named before linearization
* m4_dnl name in f_line_item, how the member is named afterwards
* m4_dnl comparator for same(), how the member is compared
* m4_dnl comparator for same(), if different, this should be TRUE (CAVEAT)
* m4_dnl dump format string debug -> format string for bvsnprintf
* m4_dnl dump format args appropriate args
* m4_dnl interpreter body how to deal with this on execution
@ -294,44 +294,17 @@
/* some constants have value in a[1], some in *a[0].p, strange. */
INST(FI_CONSTANT, 0, 1) { /* integer (or simple type) constant, string, set, or prefix_set */
FID_LINE_IN
struct f_val val;
FID_STRUCT_IN
struct f_val val;
FID_NEW_ARGS
, const struct f_val val
FID_NEW_BODY
whati->val = val;
FID_LINEARIZE_BODY
item->val = whati->val;
FID_SAME_BODY
if (!val_same(&(f1->val), &(f2->val))) return 0;
FID_DUMP_BODY
debug("%svalue %s\n", INDENT, val_dump(&item->val));
FID_ALL
FID_MEMBER(
struct f_val,
val,
val,
[[ !val_same(&(f1->val), &(f2->val)) ]],
value %s,
val_dump(&(item->val))
);
RESULT_VAL(whati->val);
}
INST(FI_CONSTANT_DEFINED, 0, 1) {
FID_STRUCT_IN
const struct symbol *sym;
FID_LINE_IN
const struct symbol *sym;
const struct f_val *valp;
FID_NEW_ARGS
, const struct symbol *sym
FID_NEW_BODY
whati->sym = sym;
FID_LINEARIZE_BODY
item->valp = (item->sym = whati->sym)->val;
FID_SAME_BODY
if (strcmp(f1->sym->name, f2->sym->name) || !val_same(f1->sym->val, f2->sym->val)) return 0;
FID_DUMP_BODY
debug("%sconstant %s with value %s\n", INDENT, item->sym->name, val_dump(item->valp));
FID_ALL
RESULT_VAL(*whati->valp);
}
INST(FI_PRINT, 1, 0) {
ARG_ANY(1);
val_format(&(v1), &fs->buf);