diff options
Diffstat (limited to 'scripts/kconfig/expr.c')
| -rw-r--r-- | scripts/kconfig/expr.c | 28 |
1 files changed, 24 insertions, 4 deletions
diff --git a/scripts/kconfig/expr.c b/scripts/kconfig/expr.c index 451b8dce0b3d..33a9e0819f87 100644 --- a/scripts/kconfig/expr.c +++ b/scripts/kconfig/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); } @@ -1017,11 +1037,11 @@ 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); } - fn(data, e->right.sym->name); break; default: { |