diff options
Diffstat (limited to 'scripts/kconfig/parser.y')
| -rw-r--r-- | scripts/kconfig/parser.y | 76 |
1 files changed, 55 insertions, 21 deletions
diff --git a/scripts/kconfig/parser.y b/scripts/kconfig/parser.y index 7fb996612c96..ff709001b1f0 100644 --- a/scripts/kconfig/parser.y +++ b/scripts/kconfig/parser.y @@ -30,6 +30,8 @@ static bool zconf_endtoken(const char *tokenname, struct menu *current_menu, *current_entry; +static bool inside_choice = false; + %} %union @@ -69,7 +71,6 @@ struct menu *current_menu, *current_entry; %token T_MODULES %token T_ON %token T_OPEN_PAREN -%token T_OPTIONAL %token T_PLUS_EQUAL %token T_PROMPT %token T_RANGE @@ -140,19 +141,25 @@ stmt_list_in_choice: config_entry_start: T_CONFIG nonconst_symbol T_EOL { - $2->flags |= SYMBOL_OPTIONAL; menu_add_entry($2); printd(DEBUG_PARSE, "%s:%d:config %s\n", cur_filename, cur_lineno, $2->name); }; config_stmt: config_entry_start config_option_list { + if (inside_choice) { + if (!current_entry->prompt) { + fprintf(stderr, "%s:%d: error: choice member must have a prompt\n", + current_entry->filename, current_entry->lineno); + yynerrs++; + } + } + printd(DEBUG_PARSE, "%s:%d:endconfig\n", cur_filename, cur_lineno); }; menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL { - $2->flags |= SYMBOL_OPTIONAL; menu_add_entry($2); printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", cur_filename, cur_lineno, $2->name); }; @@ -224,8 +231,8 @@ config_option: T_MODULES T_EOL choice: T_CHOICE T_EOL { - struct symbol *sym = sym_lookup(NULL, SYMBOL_CHOICE); - sym->flags |= SYMBOL_NO_WRITE; + struct symbol *sym = sym_lookup(NULL, 0); + menu_add_entry(sym); menu_add_expr(P_CHOICE, NULL, NULL); printd(DEBUG_PARSE, "%s:%d:choice\n", cur_filename, cur_lineno); @@ -240,10 +247,14 @@ choice_entry: choice choice_option_list } $$ = menu_add_menu(); + + inside_choice = true; }; choice_end: end { + inside_choice = false; + if (zconf_endtoken($1, "choice")) { menu_end_menu(); printd(DEBUG_PARSE, "%s:%d:endchoice\n", cur_filename, cur_lineno); @@ -272,12 +283,6 @@ choice_option: logic_type prompt_stmt_opt T_EOL printd(DEBUG_PARSE, "%s:%d:type(%u)\n", cur_filename, cur_lineno, $1); }; -choice_option: T_OPTIONAL T_EOL -{ - current_entry->sym->flags |= SYMBOL_OPTIONAL; - printd(DEBUG_PARSE, "%s:%d:optional\n", cur_filename, cur_lineno); -}; - choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL { menu_add_symbol(P_DEFAULT, $2, $3); @@ -471,6 +476,38 @@ assign_val: %% +/** + * choice_check_sanity - check sanity of a choice member + * + * @menu: menu of the choice member + * + * Return: -1 if an error is found, 0 otherwise. + */ +static int choice_check_sanity(struct menu *menu) +{ + struct property *prop; + int ret = 0; + + for (prop = menu->sym->prop; prop; prop = prop->next) { + if (prop->type == P_DEFAULT) { + fprintf(stderr, "%s:%d: error: %s", + prop->filename, prop->lineno, + "defaults for choice values not supported\n"); + ret = -1; + } + + if (prop->menu != menu && prop->type == P_PROMPT && + prop->menu->parent != menu->parent) { + fprintf(stderr, "%s:%d: error: %s", + prop->filename, prop->lineno, + "choice value has a prompt outside its choice group\n"); + ret = -1; + } + } + + return ret; +} + void conf_parse(const char *name) { struct menu *menu; @@ -517,20 +554,17 @@ void conf_parse(const char *name) menu_finalize(); - menu = &rootmenu; - while (menu) { + menu_for_each_entry(menu) { + struct menu *child; + if (menu->sym && sym_check_deps(menu->sym)) yynerrs++; - if (menu->list) { - menu = menu->list; - continue; + if (menu->sym && sym_is_choice(menu->sym)) { + menu_for_each_sub_entry(child, menu) + if (child->sym && choice_check_sanity(child)) + yynerrs++; } - - while (!menu->next && menu->parent) - menu = menu->parent; - - menu = menu->next; } if (yynerrs) |