2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
9 #define LKC_DIRECT_LINK
12 static const char nohelp_text[] = N_(
13 "There is no help available for this kernel option.\n");
16 static struct menu **last_entry_ptr;
18 struct file *file_list;
19 struct file *current_file;
21 void menu_warn(struct menu *menu, const char *fmt, ...)
25 fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
26 vfprintf(stderr, fmt, ap);
27 fprintf(stderr, "\n");
31 static void prop_warn(struct property *prop, const char *fmt, ...)
35 fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
36 vfprintf(stderr, fmt, ap);
37 fprintf(stderr, "\n");
43 current_entry = current_menu = &rootmenu;
44 last_entry_ptr = &rootmenu.list;
47 void menu_add_entry(struct symbol *sym)
51 menu = malloc(sizeof(*menu));
52 memset(menu, 0, sizeof(*menu));
54 menu->parent = current_menu;
55 menu->file = current_file;
56 menu->lineno = zconf_lineno();
58 *last_entry_ptr = menu;
59 last_entry_ptr = &menu->next;
62 menu_add_symbol(P_SYMBOL, sym, NULL);
65 void menu_end_entry(void)
69 struct menu *menu_add_menu(void)
72 last_entry_ptr = ¤t_entry->list;
73 return current_menu = current_entry;
76 void menu_end_menu(void)
78 last_entry_ptr = ¤t_menu->next;
79 current_menu = current_menu->parent;
82 static struct expr *menu_check_dep(struct expr *e)
89 e->left.expr = menu_check_dep(e->left.expr);
93 e->left.expr = menu_check_dep(e->left.expr);
94 e->right.expr = menu_check_dep(e->right.expr);
97 /* change 'm' into 'm' && MODULES */
98 if (e->left.sym == &symbol_mod)
99 return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
107 void menu_add_dep(struct expr *dep)
109 current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
110 current_entry->dir_dep = current_entry->dep;
113 void menu_set_type(int type)
115 struct symbol *sym = current_entry->sym;
117 if (sym->type == type)
119 if (sym->type == S_UNKNOWN) {
123 menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'",
124 sym->name ? sym->name : "<choice>",
125 sym_type_name(sym->type), sym_type_name(type));
128 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
130 struct property *prop = prop_alloc(type, current_entry->sym);
132 prop->menu = current_entry;
134 prop->visible.expr = menu_check_dep(dep);
137 if (isspace(*prompt)) {
138 prop_warn(prop, "leading whitespace ignored");
139 while (isspace(*prompt))
142 if (current_entry->prompt)
143 prop_warn(prop, "prompt redefined");
144 current_entry->prompt = prop;
151 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
153 return menu_add_prop(type, prompt, NULL, dep);
156 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
158 menu_add_prop(type, NULL, expr, dep);
161 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
163 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
166 void menu_add_option(int token, char *arg)
168 struct property *prop;
172 prop = prop_alloc(P_DEFAULT, modules_sym);
173 prop->expr = expr_alloc_symbol(current_entry->sym);
175 case T_OPT_DEFCONFIG_LIST:
176 if (!sym_defconfig_list)
177 sym_defconfig_list = current_entry->sym;
178 else if (sym_defconfig_list != current_entry->sym)
179 zconf_error("trying to redefine defconfig symbol");
187 static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
189 return sym2->type == S_INT || sym2->type == S_HEX ||
190 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
193 static void sym_check_prop(struct symbol *sym)
195 struct property *prop;
197 for (prop = sym->prop; prop; prop = prop->next) {
198 switch (prop->type) {
200 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
201 prop->expr->type != E_SYMBOL)
203 "default for config symbol '%s'"
204 " must be a single symbol", sym->name);
207 sym2 = prop_get_symbol(prop);
208 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
210 "config symbol '%s' uses select, but is "
211 "not boolean or tristate", sym->name);
212 else if (sym2->type != S_UNKNOWN &&
213 sym2->type != S_BOOLEAN &&
214 sym2->type != S_TRISTATE)
216 "'%s' has wrong type. 'select' only "
217 "accept arguments of boolean and "
218 "tristate type", sym2->name);
221 if (sym->type != S_INT && sym->type != S_HEX)
222 prop_warn(prop, "range is only allowed "
223 "for int or hex symbols");
224 if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
225 !menu_range_valid_sym(sym, prop->expr->right.sym))
226 prop_warn(prop, "range is invalid");
234 void menu_finalize(struct menu *parent)
236 struct menu *menu, *last_menu;
238 struct property *prop;
239 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
243 if (sym && sym_is_choice(sym)) {
244 if (sym->type == S_UNKNOWN) {
245 /* find the first choice value to find out choice type */
246 current_entry = parent;
247 for (menu = parent->list; menu; menu = menu->next) {
248 if (menu->sym && menu->sym->type != S_UNKNOWN) {
249 menu_set_type(menu->sym->type);
254 /* set the type of the remaining choice values */
255 for (menu = parent->list; menu; menu = menu->next) {
256 current_entry = menu;
257 if (menu->sym && menu->sym->type == S_UNKNOWN)
258 menu_set_type(sym->type);
260 parentdep = expr_alloc_symbol(sym);
261 } else if (parent->prompt)
262 parentdep = parent->prompt->visible.expr;
264 parentdep = parent->dep;
266 for (menu = parent->list; menu; menu = menu->next) {
267 basedep = expr_transform(menu->dep);
268 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
269 basedep = expr_eliminate_dups(basedep);
272 prop = menu->sym->prop;
275 for (; prop; prop = prop->next) {
276 if (prop->menu != menu)
278 dep = expr_transform(prop->visible.expr);
279 dep = expr_alloc_and(expr_copy(basedep), dep);
280 dep = expr_eliminate_dups(dep);
281 if (menu->sym && menu->sym->type != S_TRISTATE)
282 dep = expr_trans_bool(dep);
283 prop->visible.expr = dep;
284 if (prop->type == P_SELECT) {
285 struct symbol *es = prop_get_symbol(prop);
286 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
287 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
291 for (menu = parent->list; menu; menu = menu->next)
294 /* ignore inherited dependencies for dir_dep */
295 sym->dir_dep.expr = expr_transform(expr_copy(parent->dir_dep));
296 sym->dir_dep.expr = expr_eliminate_dups(sym->dir_dep.expr);
298 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
299 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
300 basedep = expr_eliminate_dups(expr_transform(basedep));
302 for (menu = parent->next; menu; menu = menu->next) {
303 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
304 if (!expr_contains_symbol(dep, sym))
306 if (expr_depends_symbol(dep, sym))
308 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
309 dep = expr_eliminate_dups(expr_transform(dep));
310 dep2 = expr_copy(basedep);
311 expr_eliminate_eq(&dep, &dep2);
313 if (!expr_is_yes(dep2)) {
320 menu->parent = parent;
324 parent->list = parent->next;
325 parent->next = last_menu->next;
326 last_menu->next = NULL;
329 for (menu = parent->list; menu; menu = menu->next) {
330 if (sym && sym_is_choice(sym) &&
331 menu->sym && !sym_is_choice_value(menu->sym)) {
332 current_entry = menu;
333 menu->sym->flags |= SYMBOL_CHOICEVAL;
335 menu_warn(menu, "choice value must have a prompt");
336 for (prop = menu->sym->prop; prop; prop = prop->next) {
337 if (prop->type == P_DEFAULT)
338 prop_warn(prop, "defaults for choice "
339 "values not supported");
340 if (prop->menu == menu)
342 if (prop->type == P_PROMPT &&
343 prop->menu->parent->sym != sym)
344 prop_warn(prop, "choice value used outside its choice group");
346 /* Non-tristate choice values of tristate choices must
347 * depend on the choice being set to Y. The choice
348 * values' dependencies were propagated to their
349 * properties above, so the change here must be re-
352 if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
353 basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
354 menu->dep = expr_alloc_and(basedep, menu->dep);
355 for (prop = menu->sym->prop; prop; prop = prop->next) {
356 if (prop->menu != menu)
358 prop->visible.expr = expr_alloc_and(expr_copy(basedep),
362 menu_add_symbol(P_CHOICE, sym, NULL);
363 prop = sym_get_choice_prop(sym);
364 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
366 *ep = expr_alloc_one(E_LIST, NULL);
367 (*ep)->right.sym = menu->sym;
369 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
370 for (last_menu = menu->list; ; last_menu = last_menu->next) {
371 last_menu->parent = parent;
372 if (!last_menu->next)
375 last_menu->next = menu->next;
376 menu->next = menu->list;
381 if (sym && !(sym->flags & SYMBOL_WARNED)) {
382 if (sym->type == S_UNKNOWN)
383 menu_warn(parent, "config symbol defined without type");
385 if (sym_is_choice(sym) && !parent->prompt)
386 menu_warn(parent, "choice must have a prompt");
388 /* Check properties connected to this symbol */
390 sym->flags |= SYMBOL_WARNED;
393 if (sym && !sym_is_optional(sym) && parent->prompt) {
394 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
395 expr_alloc_and(parent->prompt->visible.expr,
396 expr_alloc_symbol(&symbol_mod)));
400 bool menu_has_prompt(struct menu *menu)
407 bool menu_is_visible(struct menu *menu)
419 visible = menu->prompt->visible.tri;
421 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
426 if (!sym || sym_get_tristate_value(menu->sym) == no)
429 for (child = menu->list; child; child = child->next) {
430 if (menu_is_visible(child)) {
432 sym->flags |= SYMBOL_DEF_USER;
440 const char *menu_get_prompt(struct menu *menu)
443 return menu->prompt->text;
445 return menu->sym->name;
449 struct menu *menu_get_root_menu(struct menu *menu)
454 struct menu *menu_get_parent_menu(struct menu *menu)
458 for (; menu != &rootmenu; menu = menu->parent) {
459 type = menu->prompt ? menu->prompt->type : 0;
466 bool menu_has_help(struct menu *menu)
468 return menu->help != NULL;
471 const char *menu_get_help(struct menu *menu)
479 static void get_prompt_str(struct gstr *r, struct property *prop)
482 struct menu *submenu[8], *menu;
484 str_printf(r, _("Prompt: %s\n"), _(prop->text));
485 str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
487 if (!expr_is_yes(prop->visible.expr)) {
488 str_append(r, _(" Depends on: "));
489 expr_gstr_print(prop->visible.expr, r);
492 menu = prop->menu->parent;
493 for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
496 str_printf(r, _(" Location:\n"));
497 for (j = 4; --i >= 0; j += 2) {
499 str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
501 str_printf(r, " (%s [=%s])", menu->sym->name ?
502 menu->sym->name : _("<choice>"),
503 sym_get_string_value(menu->sym));
510 void get_symbol_str(struct gstr *r, struct symbol *sym)
513 struct property *prop;
515 if (sym && sym->name) {
516 str_printf(r, "Symbol: %s [=%s]\n", sym->name,
517 sym_get_string_value(sym));
518 str_printf(r, "Type : %s\n", sym_type_name(sym->type));
519 if (sym->type == S_INT || sym->type == S_HEX) {
520 prop = sym_get_range_prop(sym);
522 str_printf(r, "Range : ");
523 expr_gstr_print(prop->expr, r);
528 for_all_prompts(sym, prop)
529 get_prompt_str(r, prop);
531 for_all_properties(sym, prop, P_SELECT) {
533 str_append(r, " Selects: ");
536 str_printf(r, " && ");
537 expr_gstr_print(prop->expr, r);
541 if (sym->rev_dep.expr) {
542 str_append(r, _(" Selected by: "));
543 expr_gstr_print(sym->rev_dep.expr, r);
546 str_append(r, "\n\n");
549 struct gstr get_relations_str(struct symbol **sym_arr)
552 struct gstr res = str_new();
555 for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
556 get_symbol_str(&res, sym);
558 str_append(&res, _("No matches found.\n"));
563 void menu_get_ext_help(struct menu *menu, struct gstr *help)
565 struct symbol *sym = menu->sym;
567 if (menu_has_help(menu)) {
569 str_printf(help, "CONFIG_%s:\n\n", sym->name);
570 str_append(help, _(menu_get_help(menu)));
571 str_append(help, "\n");
574 str_append(help, nohelp_text);
577 get_symbol_str(help, sym);