kconfig: Warn if choice default is not in choice
[carl9170fw.git] / config / menu.c
index aed678e8a77750812bb9e49b7d9e7c6e32f9eea1..ce88de89f146e3ce1c6d980130ff93bae1b992ce 100644 (file)
@@ -233,6 +233,8 @@ static void sym_check_prop(struct symbol *sym)
 {
        struct property *prop;
        struct symbol *sym2;
+       char *use;
+
        for (prop = sym->prop; prop; prop = prop->next) {
                switch (prop->type) {
                case P_DEFAULT:
@@ -250,20 +252,32 @@ static void sym_check_prop(struct symbol *sym)
                                            "'%s': number is invalid",
                                            sym->name);
                        }
+                       if (sym_is_choice(sym)) {
+                               struct property *choice_prop =
+                                       sym_get_choice_prop(sym2);
+
+                               if (!choice_prop ||
+                                   prop_get_symbol(choice_prop) != sym)
+                                       prop_warn(prop,
+                                                 "choice default symbol '%s' is not contained in the choice",
+                                                 sym2->name);
+                       }
                        break;
                case P_SELECT:
+               case P_IMPLY:
+                       use = prop->type == P_SELECT ? "select" : "imply";
                        sym2 = prop_get_symbol(prop);
                        if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
                                prop_warn(prop,
-                                   "config symbol '%s' uses select, but is "
-                                   "not boolean or tristate", sym->name);
+                                   "config symbol '%s' uses %s, but is "
+                                   "not boolean or tristate", sym->name, use);
                        else if (sym2->type != S_UNKNOWN &&
                                 sym2->type != S_BOOLEAN &&
                                 sym2->type != S_TRISTATE)
                                prop_warn(prop,
-                                   "'%s' has wrong type. 'select' only "
+                                   "'%s' has wrong type. '%s' only "
                                    "accept arguments of boolean and "
-                                   "tristate type", sym2->name);
+                                   "tristate type", sym2->name, use);
                        break;
                case P_RANGE:
                        if (sym->type != S_INT && sym->type != S_HEX)
@@ -333,6 +347,10 @@ void menu_finalize(struct menu *parent)
                                        struct symbol *es = prop_get_symbol(prop);
                                        es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
                                                        expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
+                               } else if (prop->type == P_IMPLY) {
+                                       struct symbol *es = prop_get_symbol(prop);
+                                       es->implied.expr = expr_alloc_or(es->implied.expr,
+                                                       expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
                                }
                        }
                }
@@ -612,13 +630,30 @@ static struct property *get_symbol_prop(struct symbol *sym)
        return prop;
 }
 
+static void get_symbol_props_str(struct gstr *r, struct symbol *sym,
+                                enum prop_type tok, const char *prefix)
+{
+       bool hit = false;
+       struct property *prop;
+
+       for_all_properties(sym, prop, tok) {
+               if (!hit) {
+                       str_append(r, prefix);
+                       hit = true;
+               } else
+                       str_printf(r, " && ");
+               expr_gstr_print(prop->expr, r);
+       }
+       if (hit)
+               str_append(r, "\n");
+}
+
 /*
  * head is optional and may be NULL
  */
 static void get_symbol_str(struct gstr *r, struct symbol *sym,
                    struct list_head *head)
 {
-       bool hit;
        struct property *prop;
 
        if (sym && sym->name) {
@@ -648,22 +683,20 @@ static void get_symbol_str(struct gstr *r, struct symbol *sym,
                }
        }
 
-       hit = false;
-       for_all_properties(sym, prop, P_SELECT) {
-               if (!hit) {
-                       str_append(r, "  Selects: ");
-                       hit = true;
-               } else
-                       str_printf(r, " && ");
-               expr_gstr_print(prop->expr, r);
-       }
-       if (hit)
-               str_append(r, "\n");
+       get_symbol_props_str(r, sym, P_SELECT, _("  Selects: "));
        if (sym->rev_dep.expr) {
                str_append(r, _("  Selected by: "));
                expr_gstr_print(sym->rev_dep.expr, r);
                str_append(r, "\n");
        }
+
+       get_symbol_props_str(r, sym, P_IMPLY, _("  Implies: "));
+       if (sym->implied.expr) {
+               str_append(r, _("  Implied by: "));
+               expr_gstr_print(sym->implied.expr, r);
+               str_append(r, "\n");
+       }
+
        str_append(r, "\n\n");
 }