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authorEric Andersen2003-08-05 02:18:25 +0000
committerEric Andersen2003-08-05 02:18:25 +0000
commit72d8e444f0e9e002b16328e73464ef9015979048 (patch)
treed1d99e668617e95836a1f767257e1263963feaa5 /scripts/config/expr.c
parent461c279ac176a28dec40d1e40ebaffe4f0ac688d (diff)
downloadbusybox-72d8e444f0e9e002b16328e73464ef9015979048.zip
busybox-72d8e444f0e9e002b16328e73464ef9015979048.tar.gz
Merge/rework config system per the latest from linux-2.6.0-test2.
Fix the config bugs revealed by the updated config system. -Erik
Diffstat (limited to 'scripts/config/expr.c')
-rw-r--r--scripts/config/expr.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/scripts/config/expr.c b/scripts/config/expr.c
index d1af2a5..3f15ae8 100644
--- a/scripts/config/expr.c
+++ b/scripts/config/expr.c
@@ -55,6 +55,13 @@ struct expr *expr_alloc_and(struct expr *e1, struct expr *e2)
return e2 ? expr_alloc_two(E_AND, e1, e2) : e1;
}
+struct expr *expr_alloc_or(struct expr *e1, struct expr *e2)
+{
+ if (!e1)
+ return e2;
+ return e2 ? expr_alloc_two(E_OR, e1, e2) : e1;
+}
+
struct expr *expr_copy(struct expr *org)
{
struct expr *e;
@@ -158,9 +165,22 @@ static void __expr_eliminate_eq(enum expr_type type, struct expr **ep1, struct e
void expr_eliminate_eq(struct expr **ep1, struct expr **ep2)
{
- if (!e1 || !e2 || e1->type != e2->type)
+ if (!e1 || !e2)
return;
- __expr_eliminate_eq(e1->type, ep1, ep2);
+ switch (e1->type) {
+ case E_OR:
+ case E_AND:
+ __expr_eliminate_eq(e1->type, ep1, ep2);
+ default:
+ ;
+ }
+ if (e1->type != e2->type) switch (e2->type) {
+ case E_OR:
+ case E_AND:
+ __expr_eliminate_eq(e2->type, ep1, ep2);
+ default:
+ ;
+ }
e1 = expr_eliminate_yn(e1);
e2 = expr_eliminate_yn(e2);
}
@@ -195,6 +215,7 @@ int expr_eq(struct expr *e1, struct expr *e2)
trans_count = old_count;
return res;
case E_CHOICE:
+ case E_RANGE:
case E_NONE:
/* panic */;
}
@@ -897,6 +918,7 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
case E_SYMBOL:
return expr_alloc_comp(type, e->left.sym, sym);
case E_CHOICE:
+ case E_RANGE:
case E_NONE:
/* panic */;
}
@@ -914,7 +936,7 @@ tristate expr_calc_value(struct expr *e)
switch (e->type) {
case E_SYMBOL:
sym_calc_value(e->left.sym);
- return S_TRI(e->left.sym->curr);
+ return e->left.sym->curr.tri;
case E_AND:
val1 = expr_calc_value(e->left.expr);
val2 = expr_calc_value(e->right.expr);
@@ -1017,11 +1039,18 @@ void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, in
expr_print(e->right.expr, fn, data, E_AND);
break;
case E_CHOICE:
+ fn(data, e->right.sym->name);
if (e->left.expr) {
- expr_print(e->left.expr, fn, data, E_CHOICE);
fn(data, " ^ ");
+ expr_print(e->left.expr, fn, data, E_CHOICE);
}
+ break;
+ case E_RANGE:
+ fn(data, "[");
+ fn(data, e->left.sym->name);
+ fn(data, " ");
fn(data, e->right.sym->name);
+ fn(data, "]");
break;
default:
{