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-rw-r--r--scripts/kconfig/expr.c167
1 files changed, 157 insertions, 10 deletions
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c
index 0d7364ce9132..667d1aa23711 100644
--- a/scripts/kconfig/expr.c
+++ b/scripts/kconfig/expr.c
@@ -79,6 +79,10 @@ struct expr *expr_copy(const struct expr *org)
e->left.expr = expr_copy(org->left.expr);
break;
case E_EQUAL:
+ case E_GEQ:
+ case E_GTH:
+ case E_LEQ:
+ case E_LTH:
case E_UNEQUAL:
e->left.sym = org->left.sym;
e->right.sym = org->right.sym;
@@ -111,6 +115,10 @@ void expr_free(struct expr *e)
expr_free(e->left.expr);
return;
case E_EQUAL:
+ case E_GEQ:
+ case E_GTH:
+ case E_LEQ:
+ case E_LTH:
case E_UNEQUAL:
break;
case E_OR:
@@ -197,6 +205,10 @@ static int expr_eq(struct expr *e1, struct expr *e2)
return 0;
switch (e1->type) {
case E_EQUAL:
+ case E_GEQ:
+ case E_GTH:
+ case E_LEQ:
+ case E_LTH:
case E_UNEQUAL:
return e1->left.sym == e2->left.sym && e1->right.sym == e2->right.sym;
case E_SYMBOL:
@@ -587,6 +599,10 @@ struct expr *expr_transform(struct expr *e)
return NULL;
switch (e->type) {
case E_EQUAL:
+ case E_GEQ:
+ case E_GTH:
+ case E_LEQ:
+ case E_LTH:
case E_UNEQUAL:
case E_SYMBOL:
case E_LIST:
@@ -659,6 +675,22 @@ struct expr *expr_transform(struct expr *e)
e = tmp;
e->type = e->type == E_EQUAL ? E_UNEQUAL : E_EQUAL;
break;
+ case E_LEQ:
+ case E_GEQ:
+ // !a<='x' -> a>'x'
+ tmp = e->left.expr;
+ free(e);
+ e = tmp;
+ e->type = e->type == E_LEQ ? E_GTH : E_LTH;
+ break;
+ case E_LTH:
+ case E_GTH:
+ // !a<'x' -> a>='x'
+ tmp = e->left.expr;
+ free(e);
+ e = tmp;
+ e->type = e->type == E_LTH ? E_GEQ : E_LEQ;
+ break;
case E_OR:
// !(a || b) -> !a && !b
tmp = e->left.expr;
@@ -729,6 +761,10 @@ int expr_contains_symbol(struct expr *dep, struct symbol *sym)
case E_SYMBOL:
return dep->left.sym == sym;
case E_EQUAL:
+ case E_GEQ:
+ case E_GTH:
+ case E_LEQ:
+ case E_LTH:
case E_UNEQUAL:
return dep->left.sym == sym ||
dep->right.sym == sym;
@@ -803,6 +839,10 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
case E_NOT:
return expr_trans_compare(e->left.expr, type == E_EQUAL ? E_UNEQUAL : E_EQUAL, sym);
case E_UNEQUAL:
+ case E_LTH:
+ case E_LEQ:
+ case E_GTH:
+ case E_GEQ:
case E_EQUAL:
if (type == E_EQUAL) {
if (sym == &symbol_yes)
@@ -830,10 +870,57 @@ struct expr *expr_trans_compare(struct expr *e, enum expr_type type, struct symb
return NULL;
}
+enum string_value_kind {
+ k_string,
+ k_signed,
+ k_unsigned,
+ k_invalid
+};
+
+union string_value {
+ unsigned long long u;
+ signed long long s;
+};
+
+static enum string_value_kind expr_parse_string(const char *str,
+ enum symbol_type type,
+ union string_value *val)
+{
+ char *tail;
+ enum string_value_kind kind;
+
+ errno = 0;
+ switch (type) {
+ case S_BOOLEAN:
+ case S_TRISTATE:
+ return k_string;
+ case S_INT:
+ val->s = strtoll(str, &tail, 10);
+ kind = k_signed;
+ break;
+ case S_HEX:
+ val->u = strtoull(str, &tail, 16);
+ kind = k_unsigned;
+ break;
+ case S_STRING:
+ case S_UNKNOWN:
+ val->s = strtoll(str, &tail, 0);
+ kind = k_signed;
+ break;
+ default:
+ return k_invalid;
+ }
+ return !errno && !*tail && tail > str && isxdigit(tail[-1])
+ ? kind : k_string;
+}
+
tristate expr_calc_value(struct expr *e)
{
tristate val1, val2;
const char *str1, *str2;
+ enum string_value_kind k1 = k_string, k2 = k_string;
+ union string_value lval = {}, rval = {};
+ int res;
if (!e)
return yes;
@@ -854,21 +941,57 @@ tristate expr_calc_value(struct expr *e)
val1 = expr_calc_value(e->left.expr);
return EXPR_NOT(val1);
case E_EQUAL:
- sym_calc_value(e->left.sym);
- sym_calc_value(e->right.sym);
- str1 = sym_get_string_value(e->left.sym);
- str2 = sym_get_string_value(e->right.sym);
- return !strcmp(str1, str2) ? yes : no;
+ case E_GEQ:
+ case E_GTH:
+ case E_LEQ:
+ case E_LTH:
case E_UNEQUAL:
- sym_calc_value(e->left.sym);
- sym_calc_value(e->right.sym);
- str1 = sym_get_string_value(e->left.sym);
- str2 = sym_get_string_value(e->right.sym);
- return !strcmp(str1, str2) ? no : yes;
+ break;
default:
printf("expr_calc_value: %d?\n", e->type);
return no;
}
+
+ sym_calc_value(e->left.sym);
+ sym_calc_value(e->right.sym);
+ str1 = sym_get_string_value(e->left.sym);
+ str2 = sym_get_string_value(e->right.sym);
+
+ if (e->left.sym->type != S_STRING || e->right.sym->type != S_STRING) {
+ k1 = expr_parse_string(str1, e->left.sym->type, &lval);
+ k2 = expr_parse_string(str2, e->right.sym->type, &rval);
+ }
+
+ if (k1 == k_string || k2 == k_string)
+ res = strcmp(str1, str2);
+ else if (k1 == k_invalid || k2 == k_invalid) {
+ if (e->type != E_EQUAL && e->type != E_UNEQUAL) {
+ printf("Cannot compare \"%s\" and \"%s\"\n", str1, str2);
+ return no;
+ }
+ res = strcmp(str1, str2);
+ } else if (k1 == k_unsigned || k2 == k_unsigned)
+ res = (lval.u > rval.u) - (lval.u < rval.u);
+ else /* if (k1 == k_signed && k2 == k_signed) */
+ res = (lval.s > rval.s) - (lval.s < rval.s);
+
+ switch(e->type) {
+ case E_EQUAL:
+ return res ? no : yes;
+ case E_GEQ:
+ return res >= 0 ? yes : no;
+ case E_GTH:
+ return res > 0 ? yes : no;
+ case E_LEQ:
+ return res <= 0 ? yes : no;
+ case E_LTH:
+ return res < 0 ? yes : no;
+ case E_UNEQUAL:
+ return res ? yes : no;
+ default:
+ printf("expr_calc_value: relation %d?\n", e->type);
+ return no;
+ }
}
static int expr_compare_type(enum expr_type t1, enum expr_type t2)
@@ -876,6 +999,12 @@ static int expr_compare_type(enum expr_type t1, enum expr_type t2)
if (t1 == t2)
return 0;
switch (t1) {
+ case E_LEQ:
+ case E_LTH:
+ case E_GEQ:
+ case E_GTH:
+ if (t2 == E_EQUAL || t2 == E_UNEQUAL)
+ return 1;
case E_EQUAL:
case E_UNEQUAL:
if (t2 == E_NOT)
@@ -969,6 +1098,24 @@ void expr_print(struct expr *e, void (*fn)(void *, struct symbol *, const char *
fn(data, NULL, "=");
fn(data, e->right.sym, e->right.sym->name);
break;
+ case E_LEQ:
+ case E_LTH:
+ if (e->left.sym->name)
+ fn(data, e->left.sym, e->left.sym->name);
+ else
+ fn(data, NULL, "<choice>");
+ fn(data, NULL, e->type == E_LEQ ? "<=" : "<");
+ fn(data, e->right.sym, e->right.sym->name);
+ break;
+ case E_GEQ:
+ case E_GTH:
+ if (e->left.sym->name)
+ fn(data, e->left.sym, e->left.sym->name);
+ else
+ fn(data, NULL, "<choice>");
+ fn(data, NULL, e->type == E_LEQ ? ">=" : ">");
+ fn(data, e->right.sym, e->right.sym->name);
+ break;
case E_UNEQUAL:
if (e->left.sym->name)
fn(data, e->left.sym, e->left.sym->name);
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-28 11:49:25 +0000