2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
13 static const char nohelp_text[] = "There is no help available for this option.";
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));
112 void menu_set_type(int type)
114 struct symbol *sym = current_entry->sym;
116 if (sym->type == type)
118 if (sym->type == S_UNKNOWN) {
122 menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'",
123 sym->name ? sym->name : "<choice>",
124 sym_type_name(sym->type), sym_type_name(type));
127 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
129 struct property *prop = prop_alloc(type, current_entry->sym);
131 prop->menu = current_entry;
133 prop->visible.expr = menu_check_dep(dep);
136 if (isspace(*prompt)) {
137 prop_warn(prop, "leading whitespace ignored");
138 while (isspace(*prompt))
141 if (current_entry->prompt && current_entry != &rootmenu)
142 prop_warn(prop, "prompt redefined");
144 /* Apply all upper menus' visibilities to actual prompts. */
145 if(type == P_PROMPT) {
146 struct menu *menu = current_entry;
148 while ((menu = menu->parent) != NULL) {
149 if (!menu->visibility)
152 = expr_alloc_and(prop->visible.expr,
157 current_entry->prompt = prop;
164 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
166 return menu_add_prop(type, prompt, NULL, dep);
169 void menu_add_visibility(struct expr *expr)
171 current_entry->visibility = expr_alloc_and(current_entry->visibility,
175 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
177 menu_add_prop(type, NULL, expr, dep);
180 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
182 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
185 void menu_add_option(int token, char *arg)
187 struct property *prop;
191 prop = prop_alloc(P_DEFAULT, modules_sym);
192 prop->expr = expr_alloc_symbol(current_entry->sym);
194 case T_OPT_DEFCONFIG_LIST:
195 if (!sym_defconfig_list)
196 sym_defconfig_list = current_entry->sym;
197 else if (sym_defconfig_list != current_entry->sym)
198 zconf_error("trying to redefine defconfig symbol");
206 static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
208 return sym2->type == S_INT || sym2->type == S_HEX ||
209 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
212 static void sym_check_prop(struct symbol *sym)
214 struct property *prop;
216 for (prop = sym->prop; prop; prop = prop->next) {
217 switch (prop->type) {
219 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
220 prop->expr->type != E_SYMBOL)
222 "default for config symbol '%s'"
223 " must be a single symbol", sym->name);
224 if (prop->expr->type != E_SYMBOL)
226 sym2 = prop_get_symbol(prop);
227 if (sym->type == S_HEX || sym->type == S_INT) {
228 if (!menu_validate_number(sym, sym2))
230 "'%s': number is invalid",
235 sym2 = prop_get_symbol(prop);
236 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
238 "config symbol '%s' uses select, but is "
239 "not boolean or tristate", sym->name);
240 else if (sym2->type != S_UNKNOWN &&
241 sym2->type != S_BOOLEAN &&
242 sym2->type != S_TRISTATE)
244 "'%s' has wrong type. 'select' only "
245 "accept arguments of boolean and "
246 "tristate type", sym2->name);
249 if (sym->type != S_INT && sym->type != S_HEX)
250 prop_warn(prop, "range is only allowed "
251 "for int or hex symbols");
252 if (!menu_validate_number(sym, prop->expr->left.sym) ||
253 !menu_validate_number(sym, prop->expr->right.sym))
254 prop_warn(prop, "range is invalid");
262 void menu_finalize(struct menu *parent)
264 struct menu *menu, *last_menu;
266 struct property *prop;
267 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
271 if (sym && sym_is_choice(sym)) {
272 if (sym->type == S_UNKNOWN) {
273 /* find the first choice value to find out choice type */
274 current_entry = parent;
275 for (menu = parent->list; menu; menu = menu->next) {
276 if (menu->sym && menu->sym->type != S_UNKNOWN) {
277 menu_set_type(menu->sym->type);
282 /* set the type of the remaining choice values */
283 for (menu = parent->list; menu; menu = menu->next) {
284 current_entry = menu;
285 if (menu->sym && menu->sym->type == S_UNKNOWN)
286 menu_set_type(sym->type);
288 parentdep = expr_alloc_symbol(sym);
289 } else if (parent->prompt)
290 parentdep = parent->prompt->visible.expr;
292 parentdep = parent->dep;
294 for (menu = parent->list; menu; menu = menu->next) {
295 basedep = expr_transform(menu->dep);
296 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
297 basedep = expr_eliminate_dups(basedep);
300 prop = menu->sym->prop;
303 for (; prop; prop = prop->next) {
304 if (prop->menu != menu)
306 dep = expr_transform(prop->visible.expr);
307 dep = expr_alloc_and(expr_copy(basedep), dep);
308 dep = expr_eliminate_dups(dep);
309 if (menu->sym && menu->sym->type != S_TRISTATE)
310 dep = expr_trans_bool(dep);
311 prop->visible.expr = dep;
312 if (prop->type == P_SELECT) {
313 struct symbol *es = prop_get_symbol(prop);
314 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
315 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
319 for (menu = parent->list; menu; menu = menu->next)
322 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
323 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
324 basedep = expr_eliminate_dups(expr_transform(basedep));
326 for (menu = parent->next; menu; menu = menu->next) {
327 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
328 if (!expr_contains_symbol(dep, sym))
330 if (expr_depends_symbol(dep, sym))
332 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
333 dep = expr_eliminate_dups(expr_transform(dep));
334 dep2 = expr_copy(basedep);
335 expr_eliminate_eq(&dep, &dep2);
337 if (!expr_is_yes(dep2)) {
344 menu->parent = parent;
348 parent->list = parent->next;
349 parent->next = last_menu->next;
350 last_menu->next = NULL;
353 sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep);
355 for (menu = parent->list; menu; menu = menu->next) {
356 if (sym && sym_is_choice(sym) &&
357 menu->sym && !sym_is_choice_value(menu->sym)) {
358 current_entry = menu;
359 menu->sym->flags |= SYMBOL_CHOICEVAL;
361 menu_warn(menu, "choice value must have a prompt");
362 for (prop = menu->sym->prop; prop; prop = prop->next) {
363 if (prop->type == P_DEFAULT)
364 prop_warn(prop, "defaults for choice "
365 "values not supported");
366 if (prop->menu == menu)
368 if (prop->type == P_PROMPT &&
369 prop->menu->parent->sym != sym)
370 prop_warn(prop, "choice value used outside its choice group");
372 /* Non-tristate choice values of tristate choices must
373 * depend on the choice being set to Y. The choice
374 * values' dependencies were propagated to their
375 * properties above, so the change here must be re-
378 if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
379 basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
380 menu->dep = expr_alloc_and(basedep, menu->dep);
381 for (prop = menu->sym->prop; prop; prop = prop->next) {
382 if (prop->menu != menu)
384 prop->visible.expr = expr_alloc_and(expr_copy(basedep),
388 menu_add_symbol(P_CHOICE, sym, NULL);
389 prop = sym_get_choice_prop(sym);
390 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
392 *ep = expr_alloc_one(E_LIST, NULL);
393 (*ep)->right.sym = menu->sym;
395 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
396 for (last_menu = menu->list; ; last_menu = last_menu->next) {
397 last_menu->parent = parent;
398 if (!last_menu->next)
401 last_menu->next = menu->next;
402 menu->next = menu->list;
407 if (sym && !(sym->flags & SYMBOL_WARNED)) {
408 if (sym->type == S_UNKNOWN)
409 menu_warn(parent, "config symbol defined without type");
411 if (sym_is_choice(sym) && !parent->prompt)
412 menu_warn(parent, "choice must have a prompt");
414 /* Check properties connected to this symbol */
416 sym->flags |= SYMBOL_WARNED;
419 if (sym && !sym_is_optional(sym) && parent->prompt) {
420 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
421 expr_alloc_and(parent->prompt->visible.expr,
422 expr_alloc_symbol(&symbol_mod)));
426 bool menu_has_prompt(struct menu *menu)
433 bool menu_is_visible(struct menu *menu)
442 if (menu->visibility) {
443 if (expr_calc_value(menu->visibility) == no)
450 visible = menu->prompt->visible.tri;
452 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
457 if (!sym || sym_get_tristate_value(menu->sym) == no)
460 for (child = menu->list; child; child = child->next) {
461 if (menu_is_visible(child)) {
463 sym->flags |= SYMBOL_DEF_USER;
471 const char *menu_get_prompt(struct menu *menu)
474 return menu->prompt->text;
476 return menu->sym->name;
480 struct menu *menu_get_root_menu(struct menu *menu)
485 struct menu *menu_get_parent_menu(struct menu *menu)
489 for (; menu != &rootmenu; menu = menu->parent) {
490 type = menu->prompt ? menu->prompt->type : 0;
497 bool menu_has_help(struct menu *menu)
499 return menu->help != NULL;
502 const char *menu_get_help(struct menu *menu)
510 static void get_prompt_str(struct gstr *r, struct property *prop,
511 struct list_head *head)
514 struct menu *submenu[8], *menu, *location = NULL;
515 struct jump_key *jump;
517 str_printf(r, _("Prompt: %s\n"), _(prop->text));
518 str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
520 if (!expr_is_yes(prop->visible.expr)) {
521 str_append(r, _(" Depends on: "));
522 expr_gstr_print(prop->visible.expr, r);
525 menu = prop->menu->parent;
526 for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) {
527 bool accessible = menu_is_visible(menu);
530 if (location == NULL && accessible)
533 if (head && location) {
534 jump = malloc(sizeof(struct jump_key));
536 if (menu_is_visible(prop->menu)) {
538 * There is not enough room to put the hint at the
539 * beginning of the "Prompt" line. Put the hint on the
540 * last "Location" line even when it would belong on
543 jump->target = prop->menu;
545 jump->target = location;
547 if (list_empty(head))
550 jump->index = list_entry(head->prev, struct jump_key,
553 list_add_tail(&jump->entries, head);
557 str_printf(r, _(" Location:\n"));
558 for (j = 4; --i >= 0; j += 2) {
560 if (head && location && menu == location)
561 jump->offset = r->len - 1;
562 str_printf(r, "%*c-> %s", j, ' ',
563 _(menu_get_prompt(menu)));
565 str_printf(r, " (%s [=%s])", menu->sym->name ?
566 menu->sym->name : _("<choice>"),
567 sym_get_string_value(menu->sym));
575 * head is optional and may be NULL
577 void get_symbol_str(struct gstr *r, struct symbol *sym,
578 struct list_head *head)
581 struct property *prop;
583 if (sym && sym->name) {
584 str_printf(r, "Symbol: %s [=%s]\n", sym->name,
585 sym_get_string_value(sym));
586 str_printf(r, "Type : %s\n", sym_type_name(sym->type));
587 if (sym->type == S_INT || sym->type == S_HEX) {
588 prop = sym_get_range_prop(sym);
590 str_printf(r, "Range : ");
591 expr_gstr_print(prop->expr, r);
596 for_all_prompts(sym, prop)
597 get_prompt_str(r, prop, head);
599 for_all_properties(sym, prop, P_SELECT) {
601 str_append(r, " Selects: ");
604 str_printf(r, " && ");
605 expr_gstr_print(prop->expr, r);
609 if (sym->rev_dep.expr) {
610 str_append(r, _(" Selected by: "));
611 expr_gstr_print(sym->rev_dep.expr, r);
614 str_append(r, "\n\n");
617 struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head)
620 struct gstr res = str_new();
623 for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
624 get_symbol_str(&res, sym, head);
626 str_append(&res, _("No matches found.\n"));
631 void menu_get_ext_help(struct menu *menu, struct gstr *help)
633 struct symbol *sym = menu->sym;
634 const char *help_text = nohelp_text;
636 if (menu_has_help(menu)) {
638 str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
639 help_text = menu_get_help(menu);
641 str_printf(help, "%s\n", _(help_text));
643 get_symbol_str(help, sym, NULL);