diff options
Diffstat (limited to 'payloads/libpayload/util/kconfig/menu.c')
-rw-r--r-- | payloads/libpayload/util/kconfig/menu.c | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/payloads/libpayload/util/kconfig/menu.c b/payloads/libpayload/util/kconfig/menu.c deleted file mode 100644 index 606ceb9e746e..000000000000 --- a/payloads/libpayload/util/kconfig/menu.c +++ /dev/null @@ -1,463 +0,0 @@ -/* - * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> - * Released under the terms of the GNU GPL v2.0. - */ - -#include <stdlib.h> -#include <string.h> - -#define LKC_DIRECT_LINK -#include "lkc.h" - -struct menu rootmenu; -static struct menu **last_entry_ptr; - -struct file *file_list; -struct file *current_file; - -void menu_warn(struct menu *menu, const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); -} - -static void prop_warn(struct property *prop, const char *fmt, ...) -{ - va_list ap; - va_start(ap, fmt); - fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno); - vfprintf(stderr, fmt, ap); - fprintf(stderr, "\n"); - va_end(ap); -} - -void menu_init(void) -{ - current_entry = current_menu = &rootmenu; - last_entry_ptr = &rootmenu.list; -} - -void menu_add_entry(struct symbol *sym) -{ - struct menu *menu; - - menu = malloc(sizeof(*menu)); - memset(menu, 0, sizeof(*menu)); - menu->sym = sym; - menu->parent = current_menu; - menu->file = current_file; - menu->lineno = zconf_lineno(); - - *last_entry_ptr = menu; - last_entry_ptr = &menu->next; - current_entry = menu; -} - -void menu_end_entry(void) -{ -} - -struct menu *menu_add_menu(void) -{ - menu_end_entry(); - last_entry_ptr = ¤t_entry->list; - return current_menu = current_entry; -} - -void menu_end_menu(void) -{ - last_entry_ptr = ¤t_menu->next; - current_menu = current_menu->parent; -} - -struct expr *menu_check_dep(struct expr *e) -{ - if (!e) - return e; - - switch (e->type) { - case E_NOT: - e->left.expr = menu_check_dep(e->left.expr); - break; - case E_OR: - case E_AND: - e->left.expr = menu_check_dep(e->left.expr); - e->right.expr = menu_check_dep(e->right.expr); - break; - case E_SYMBOL: - /* change 'm' into 'm' && MODULES */ - if (e->left.sym == &symbol_mod) - return expr_alloc_and(e, expr_alloc_symbol(modules_sym)); - break; - default: - break; - } - return e; -} - -void menu_add_dep(struct expr *dep) -{ - current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep)); -} - -void menu_set_type(int type) -{ - struct symbol *sym = current_entry->sym; - - if (sym->type == type) - return; - if (sym->type == S_UNKNOWN) { - sym->type = type; - return; - } - menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'", - sym->name ? sym->name : "<choice>", - sym_type_name(sym->type), sym_type_name(type)); -} - -struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep) -{ - struct property *prop = prop_alloc(type, current_entry->sym); - - prop->menu = current_entry; - prop->expr = expr; - prop->visible.expr = menu_check_dep(dep); - - if (prompt) { - if (isspace(*prompt)) { - prop_warn(prop, "leading whitespace ignored"); - while (isspace(*prompt)) - prompt++; - } - if (current_entry->prompt) - prop_warn(prop, "prompt redefined"); - current_entry->prompt = prop; - } - prop->text = prompt; - - return prop; -} - -struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) -{ - return menu_add_prop(type, prompt, NULL, dep); -} - -void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep) -{ - menu_add_prop(type, NULL, expr, dep); -} - -void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep) -{ - menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep); -} - -void menu_add_option(int token, char *arg) -{ - struct property *prop; - - switch (token) { - case T_OPT_MODULES: - prop = prop_alloc(P_DEFAULT, modules_sym); - prop->expr = expr_alloc_symbol(current_entry->sym); - break; - case T_OPT_DEFCONFIG_LIST: - if (!sym_defconfig_list) - sym_defconfig_list = current_entry->sym; - else if (sym_defconfig_list != current_entry->sym) - zconf_error("trying to redefine defconfig symbol"); - break; - case T_OPT_ENV: - prop_add_env(arg); - break; - } -} - -static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2) -{ - return sym2->type == S_INT || sym2->type == S_HEX || - (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name)); -} - -void sym_check_prop(struct symbol *sym) -{ - struct property *prop; - struct symbol *sym2; - for (prop = sym->prop; prop; prop = prop->next) { - switch (prop->type) { - case P_DEFAULT: - if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) && - prop->expr->type != E_SYMBOL) - prop_warn(prop, - "default for config symbol '%'" - " must be a single symbol", sym->name); - break; - case P_SELECT: - 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); - else if (sym2->type != S_UNKNOWN && - sym2->type != S_BOOLEAN && - sym2->type != S_TRISTATE) - prop_warn(prop, - "'%s' has wrong type. 'select' only " - "accept arguments of boolean and " - "tristate type", sym2->name); - break; - case P_RANGE: - if (sym->type != S_INT && sym->type != S_HEX) - prop_warn(prop, "range is only allowed " - "for int or hex symbols"); - if (!menu_range_valid_sym(sym, prop->expr->left.sym) || - !menu_range_valid_sym(sym, prop->expr->right.sym)) - prop_warn(prop, "range is invalid"); - break; - default: - ; - } - } -} - -void menu_finalize(struct menu *parent) -{ - struct menu *menu, *last_menu; - struct symbol *sym; - struct property *prop; - struct expr *parentdep, *basedep, *dep, *dep2, **ep; - - sym = parent->sym; - if (parent->list) { - if (sym && sym_is_choice(sym)) { - /* find the first choice value and find out choice type */ - for (menu = parent->list; menu; menu = menu->next) { - if (menu->sym) { - current_entry = parent; - if (sym->type == S_UNKNOWN) - menu_set_type(menu->sym->type); - current_entry = menu; - if (menu->sym->type == S_UNKNOWN) - menu_set_type(sym->type); - break; - } - } - parentdep = expr_alloc_symbol(sym); - } else if (parent->prompt) - parentdep = parent->prompt->visible.expr; - else - parentdep = parent->dep; - - for (menu = parent->list; menu; menu = menu->next) { - basedep = expr_transform(menu->dep); - basedep = expr_alloc_and(expr_copy(parentdep), basedep); - basedep = expr_eliminate_dups(basedep); - menu->dep = basedep; - if (menu->sym) - prop = menu->sym->prop; - else - prop = menu->prompt; - for (; prop; prop = prop->next) { - if (prop->menu != menu) - continue; - dep = expr_transform(prop->visible.expr); - dep = expr_alloc_and(expr_copy(basedep), dep); - dep = expr_eliminate_dups(dep); - if (menu->sym && menu->sym->type != S_TRISTATE) - dep = expr_trans_bool(dep); - prop->visible.expr = dep; - if (prop->type == P_SELECT) { - 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))); - } - } - } - for (menu = parent->list; menu; menu = menu->next) - menu_finalize(menu); - } else if (sym) { - basedep = parent->prompt ? parent->prompt->visible.expr : NULL; - basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no); - basedep = expr_eliminate_dups(expr_transform(basedep)); - last_menu = NULL; - for (menu = parent->next; menu; menu = menu->next) { - dep = menu->prompt ? menu->prompt->visible.expr : menu->dep; - if (!expr_contains_symbol(dep, sym)) - break; - if (expr_depends_symbol(dep, sym)) - goto next; - dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no); - dep = expr_eliminate_dups(expr_transform(dep)); - dep2 = expr_copy(basedep); - expr_eliminate_eq(&dep, &dep2); - expr_free(dep); - if (!expr_is_yes(dep2)) { - expr_free(dep2); - break; - } - expr_free(dep2); - next: - menu_finalize(menu); - menu->parent = parent; - last_menu = menu; - } - if (last_menu) { - parent->list = parent->next; - parent->next = last_menu->next; - last_menu->next = NULL; - } - } - for (menu = parent->list; menu; menu = menu->next) { - if (sym && sym_is_choice(sym) && menu->sym) { - menu->sym->flags |= SYMBOL_CHOICEVAL; - if (!menu->prompt) - menu_warn(menu, "choice value must have a prompt"); - for (prop = menu->sym->prop; prop; prop = prop->next) { - if (prop->type == P_PROMPT && prop->menu != menu) { - prop_warn(prop, "choice values " - "currently only support a " - "single prompt"); - } - if (prop->type == P_DEFAULT) - prop_warn(prop, "defaults for choice " - "values not supported"); - } - current_entry = menu; - if (menu->sym->type == S_UNKNOWN) - menu_set_type(sym->type); - /* Non-tristate choice values of tristate choices must - * depend on the choice being set to Y. The choice - * values' dependencies were propagated to their - * properties above, so the change here must be re- - * propagated. */ - if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) { - basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes); - basedep = expr_alloc_and(basedep, menu->dep); - basedep = expr_eliminate_dups(basedep); - menu->dep = basedep; - for (prop = menu->sym->prop; prop; prop = prop->next) { - if (prop->menu != menu) - continue; - dep = expr_alloc_and(expr_copy(basedep), - prop->visible.expr); - dep = expr_eliminate_dups(dep); - dep = expr_trans_bool(dep); - prop->visible.expr = dep; - if (prop->type == P_SELECT) { - struct symbol *es = prop_get_symbol(prop); - dep2 = expr_alloc_symbol(menu->sym); - dep = expr_alloc_and(dep2, - expr_copy(dep)); - dep = expr_alloc_or(es->rev_dep.expr, dep); - dep = expr_eliminate_dups(dep); - es->rev_dep.expr = dep; - } - } - } - menu_add_symbol(P_CHOICE, sym, NULL); - prop = sym_get_choice_prop(sym); - for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr) - ; - *ep = expr_alloc_one(E_LIST, NULL); - (*ep)->right.sym = menu->sym; - } - if (menu->list && (!menu->prompt || !menu->prompt->text)) { - for (last_menu = menu->list; ; last_menu = last_menu->next) { - last_menu->parent = parent; - if (!last_menu->next) - break; - } - last_menu->next = menu->next; - menu->next = menu->list; - menu->list = NULL; - } - } - - if (sym && !(sym->flags & SYMBOL_WARNED)) { - if (sym->type == S_UNKNOWN) - menu_warn(parent, "config symbol defined without type"); - - if (sym_is_choice(sym) && !parent->prompt) - menu_warn(parent, "choice must have a prompt"); - - /* Check properties connected to this symbol */ - sym_check_prop(sym); - sym->flags |= SYMBOL_WARNED; - } - - if (sym && !sym_is_optional(sym) && parent->prompt) { - sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr, - expr_alloc_and(parent->prompt->visible.expr, - expr_alloc_symbol(&symbol_mod))); - } -} - -bool menu_is_visible(struct menu *menu) -{ - struct menu *child; - struct symbol *sym; - tristate visible; - - if (!menu->prompt) - return false; - sym = menu->sym; - if (sym) { - sym_calc_value(sym); - visible = menu->prompt->visible.tri; - } else - visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr); - - if (visible != no) - return true; - if (!sym || sym_get_tristate_value(menu->sym) == no) - return false; - - for (child = menu->list; child; child = child->next) - if (menu_is_visible(child)) - return true; - return false; -} - -const char *menu_get_prompt(struct menu *menu) -{ - if (menu->prompt) - return menu->prompt->text; - else if (menu->sym) - return menu->sym->name; - return NULL; -} - -struct menu *menu_get_root_menu(struct menu *menu) -{ - return &rootmenu; -} - -struct menu *menu_get_parent_menu(struct menu *menu) -{ - enum prop_type type; - - for (; menu != &rootmenu; menu = menu->parent) { - type = menu->prompt ? menu->prompt->type : 0; - if (type == P_MENU) - break; - } - return menu; -} - -bool menu_has_help(struct menu *menu) -{ - return menu->help != NULL; -} - -const char *menu_get_help(struct menu *menu) -{ - if (menu->help) - return menu->help; - else - return ""; -} |