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path: root/scripts/kconfig/expr.c
authorkergoth <kergoth>2003-06-17 17:03:49 (UTC)
committer kergoth <kergoth>2003-06-17 17:03:49 (UTC)
commit16e53b2a2e94742f3b55ee73700bb264e36638d4 (patch) (side-by-side diff)
tree4f2b65a635d25c1ce0cfeea7953623c2bf7d9534 /scripts/kconfig/expr.c
parent384b7f1a42f9f2f101dc8fe11c3625055d96f672 (diff)
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Update LinuxKernelConf version to 1.4.
Diffstat (limited to 'scripts/kconfig/expr.c') (more/less context) (ignore whitespace changes)
-rw-r--r--scripts/kconfig/expr.c37
1 files changed, 33 insertions, 4 deletions
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index d1af2a5..3f15ae8 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -52,12 +52,19 @@ struct expr *expr_alloc_and(struct expr *e1, struct expr *e2)
{
if (!e1)
return 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;
if (!org)
return NULL;
@@ -155,15 +162,28 @@ 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);
}
#undef e1
#undef e2
@@ -192,12 +212,13 @@ int expr_eq(struct expr *e1, struct expr *e2)
e1->left.sym == e2->left.sym);
expr_free(e1);
expr_free(e2);
trans_count = old_count;
return res;
case E_CHOICE:
+ case E_RANGE:
case E_NONE:
/* panic */;
}
print_expr(0, e1, 0);
printf(" = ");
@@ -894,12 +915,13 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
return expr_copy(e);
}
break;
case E_SYMBOL:
return expr_alloc_comp(type, e->left.sym, sym);
case E_CHOICE:
+ case E_RANGE:
case E_NONE:
/* panic */;
}
return NULL;
}
@@ -911,13 +933,13 @@ tristate expr_calc_value(struct expr *e)
if (!e)
return yes;
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);
return E_AND(val1, val2);
case E_OR:
val1 = expr_calc_value(e->left.expr);
@@ -1014,17 +1036,24 @@ void expr_print(struct expr *e, void (*fn)(void *, const char *), void *data, in
case E_AND:
expr_print(e->left.expr, fn, data, E_AND);
fn(data, " && ");
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:
{
char buf[32];
sprintf(buf, "<unknown type %d>", e->type);
fn(data, buf);