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[] = N_(
14 "There is no help available for this option.\n");
17 static struct menu **last_entry_ptr;
19 struct file *file_list;
20 struct file *current_file;
22 void menu_warn(struct menu *menu, const char *fmt, ...)
26 fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
27 vfprintf(stderr, fmt, ap);
28 fprintf(stderr, "\n");
32 static void prop_warn(struct property *prop, const char *fmt, ...)
36 fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
37 vfprintf(stderr, fmt, ap);
38 fprintf(stderr, "\n");
44 current_entry = current_menu = &rootmenu;
45 last_entry_ptr = &rootmenu.list;
48 void menu_add_entry(struct symbol *sym)
52 menu = malloc(sizeof(*menu));
53 memset(menu, 0, sizeof(*menu));
55 menu->parent = current_menu;
56 menu->file = current_file;
57 menu->lineno = zconf_lineno();
59 *last_entry_ptr = menu;
60 last_entry_ptr = &menu->next;
63 menu_add_symbol(P_SYMBOL, sym, NULL);
66 void menu_end_entry(void)
70 struct menu *menu_add_menu(void)
73 last_entry_ptr = ¤t_entry->list;
74 return current_menu = current_entry;
77 void menu_end_menu(void)
79 last_entry_ptr = ¤t_menu->next;
80 current_menu = current_menu->parent;
83 static struct expr *menu_check_dep(struct expr *e)
90 e->left.expr = menu_check_dep(e->left.expr);
94 e->left.expr = menu_check_dep(e->left.expr);
95 e->right.expr = menu_check_dep(e->right.expr);
98 /* change 'm' into 'm' && MODULES */
99 if (e->left.sym == &symbol_mod)
100 return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
108 void menu_add_dep(struct expr *dep)
110 current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(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 && current_entry != &rootmenu)
143 prop_warn(prop, "prompt redefined");
145 /* Apply all upper menus' visibilities to actual prompts. */
146 if(type == P_PROMPT) {
147 struct menu *menu = current_entry;
149 while ((menu = menu->parent) != NULL) {
150 if (!menu->visibility)
153 = expr_alloc_and(prop->visible.expr,
158 current_entry->prompt = prop;
165 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
167 return menu_add_prop(type, prompt, NULL, dep);
170 void menu_add_visibility(struct expr *expr)
172 current_entry->visibility = expr_alloc_and(current_entry->visibility,
176 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
178 menu_add_prop(type, NULL, expr, dep);
181 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
183 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
186 void menu_add_option(int token, char *arg)
188 struct property *prop;
192 prop = prop_alloc(P_DEFAULT, modules_sym);
193 prop->expr = expr_alloc_symbol(current_entry->sym);
195 case T_OPT_DEFCONFIG_LIST:
196 if (!sym_defconfig_list)
197 sym_defconfig_list = current_entry->sym;
198 else if (sym_defconfig_list != current_entry->sym)
199 zconf_error("trying to redefine defconfig symbol");
207 static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
209 return sym2->type == S_INT || sym2->type == S_HEX ||
210 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
213 static void sym_check_prop(struct symbol *sym)
215 struct property *prop;
217 for (prop = sym->prop; prop; prop = prop->next) {
218 switch (prop->type) {
220 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
221 prop->expr->type != E_SYMBOL)
223 "default for config symbol '%s'"
224 " must be a single symbol", sym->name);
225 if (prop->expr->type != E_SYMBOL)
227 sym2 = prop_get_symbol(prop);
228 if (sym->type == S_HEX || sym->type == S_INT) {
229 if (!menu_validate_number(sym, sym2))
231 "'%s': number is invalid",
236 sym2 = prop_get_symbol(prop);
237 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
239 "config symbol '%s' uses select, but is "
240 "not boolean or tristate", sym->name);
241 else if (sym2->type != S_UNKNOWN &&
242 sym2->type != S_BOOLEAN &&
243 sym2->type != S_TRISTATE)
245 "'%s' has wrong type. 'select' only "
246 "accept arguments of boolean and "
247 "tristate type", sym2->name);
250 if (sym->type != S_INT && sym->type != S_HEX)
251 prop_warn(prop, "range is only allowed "
252 "for int or hex symbols");
253 if (!menu_validate_number(sym, prop->expr->left.sym) ||
254 !menu_validate_number(sym, prop->expr->right.sym))
255 prop_warn(prop, "range is invalid");
263 void menu_finalize(struct menu *parent)
265 struct menu *menu, *last_menu;
267 struct property *prop;
268 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
272 if (sym && sym_is_choice(sym)) {
273 if (sym->type == S_UNKNOWN) {
274 /* find the first choice value to find out choice type */
275 current_entry = parent;
276 for (menu = parent->list; menu; menu = menu->next) {
277 if (menu->sym && menu->sym->type != S_UNKNOWN) {
278 menu_set_type(menu->sym->type);
283 /* set the type of the remaining choice values */
284 for (menu = parent->list; menu; menu = menu->next) {
285 current_entry = menu;
286 if (menu->sym && menu->sym->type == S_UNKNOWN)
287 menu_set_type(sym->type);
289 parentdep = expr_alloc_symbol(sym);
290 } else if (parent->prompt)
291 parentdep = parent->prompt->visible.expr;
293 parentdep = parent->dep;
295 for (menu = parent->list; menu; menu = menu->next) {
296 basedep = expr_transform(menu->dep);
297 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
298 basedep = expr_eliminate_dups(basedep);
301 prop = menu->sym->prop;
304 for (; prop; prop = prop->next) {
305 if (prop->menu != menu)
307 dep = expr_transform(prop->visible.expr);
308 dep = expr_alloc_and(expr_copy(basedep), dep);
309 dep = expr_eliminate_dups(dep);
310 if (menu->sym && menu->sym->type != S_TRISTATE)
311 dep = expr_trans_bool(dep);
312 prop->visible.expr = dep;
313 if (prop->type == P_SELECT) {
314 struct symbol *es = prop_get_symbol(prop);
315 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
316 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
320 for (menu = parent->list; menu; menu = menu->next)
323 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
324 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
325 basedep = expr_eliminate_dups(expr_transform(basedep));
327 for (menu = parent->next; menu; menu = menu->next) {
328 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
329 if (!expr_contains_symbol(dep, sym))
331 if (expr_depends_symbol(dep, sym))
333 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
334 dep = expr_eliminate_dups(expr_transform(dep));
335 dep2 = expr_copy(basedep);
336 expr_eliminate_eq(&dep, &dep2);
338 if (!expr_is_yes(dep2)) {
345 menu->parent = parent;
349 parent->list = parent->next;
350 parent->next = last_menu->next;
351 last_menu->next = NULL;
354 sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep);
356 for (menu = parent->list; menu; menu = menu->next) {
357 if (sym && sym_is_choice(sym) &&
358 menu->sym && !sym_is_choice_value(menu->sym)) {
359 current_entry = menu;
360 menu->sym->flags |= SYMBOL_CHOICEVAL;
362 menu_warn(menu, "choice value must have a prompt");
363 for (prop = menu->sym->prop; prop; prop = prop->next) {
364 if (prop->type == P_DEFAULT)
365 prop_warn(prop, "defaults for choice "
366 "values not supported");
367 if (prop->menu == menu)
369 if (prop->type == P_PROMPT &&
370 prop->menu->parent->sym != sym)
371 prop_warn(prop, "choice value used outside its choice group");
373 /* Non-tristate choice values of tristate choices must
374 * depend on the choice being set to Y. The choice
375 * values' dependencies were propagated to their
376 * properties above, so the change here must be re-
379 if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
380 basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
381 menu->dep = expr_alloc_and(basedep, menu->dep);
382 for (prop = menu->sym->prop; prop; prop = prop->next) {
383 if (prop->menu != menu)
385 prop->visible.expr = expr_alloc_and(expr_copy(basedep),
389 menu_add_symbol(P_CHOICE, sym, NULL);
390 prop = sym_get_choice_prop(sym);
391 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
393 *ep = expr_alloc_one(E_LIST, NULL);
394 (*ep)->right.sym = menu->sym;
396 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
397 for (last_menu = menu->list; ; last_menu = last_menu->next) {
398 last_menu->parent = parent;
399 if (!last_menu->next)
402 last_menu->next = menu->next;
403 menu->next = menu->list;
408 if (sym && !(sym->flags & SYMBOL_WARNED)) {
409 if (sym->type == S_UNKNOWN)
410 menu_warn(parent, "config symbol defined without type");
412 if (sym_is_choice(sym) && !parent->prompt)
413 menu_warn(parent, "choice must have a prompt");
415 /* Check properties connected to this symbol */
417 sym->flags |= SYMBOL_WARNED;
420 if (sym && !sym_is_optional(sym) && parent->prompt) {
421 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
422 expr_alloc_and(parent->prompt->visible.expr,
423 expr_alloc_symbol(&symbol_mod)));
427 bool menu_has_prompt(struct menu *menu)
434 bool menu_is_visible(struct menu *menu)
443 if (menu->visibility) {
444 if (expr_calc_value(menu->visibility) == no)
451 visible = menu->prompt->visible.tri;
453 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
458 if (!sym || sym_get_tristate_value(menu->sym) == no)
461 for (child = menu->list; child; child = child->next) {
462 if (menu_is_visible(child)) {
464 sym->flags |= SYMBOL_DEF_USER;
472 const char *menu_get_prompt(struct menu *menu)
475 return menu->prompt->text;
477 return menu->sym->name;
481 struct menu *menu_get_root_menu(struct menu *menu)
486 struct menu *menu_get_parent_menu(struct menu *menu)
490 for (; menu != &rootmenu; menu = menu->parent) {
491 type = menu->prompt ? menu->prompt->type : 0;
498 bool menu_has_help(struct menu *menu)
500 return menu->help != NULL;
503 const char *menu_get_help(struct menu *menu)
511 static void get_prompt_str(struct gstr *r, struct property *prop)
514 struct menu *submenu[8], *menu;
516 str_printf(r, _("Prompt: %s\n"), _(prop->text));
517 str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
519 if (!expr_is_yes(prop->visible.expr)) {
520 str_append(r, _(" Depends on: "));
521 expr_gstr_print(prop->visible.expr, r);
524 menu = prop->menu->parent;
525 for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
528 str_printf(r, _(" Location:\n"));
529 for (j = 4; --i >= 0; j += 2) {
531 str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
533 str_printf(r, " (%s [=%s])", menu->sym->name ?
534 menu->sym->name : _("<choice>"),
535 sym_get_string_value(menu->sym));
542 void get_symbol_str(struct gstr *r, struct symbol *sym)
545 struct property *prop;
547 if (sym && sym->name) {
548 str_printf(r, "Symbol: %s [=%s]\n", sym->name,
549 sym_get_string_value(sym));
550 str_printf(r, "Type : %s\n", sym_type_name(sym->type));
551 if (sym->type == S_INT || sym->type == S_HEX) {
552 prop = sym_get_range_prop(sym);
554 str_printf(r, "Range : ");
555 expr_gstr_print(prop->expr, r);
560 for_all_prompts(sym, prop)
561 get_prompt_str(r, prop);
563 for_all_properties(sym, prop, P_SELECT) {
565 str_append(r, " Selects: ");
568 str_printf(r, " && ");
569 expr_gstr_print(prop->expr, r);
573 if (sym->rev_dep.expr) {
574 str_append(r, _(" Selected by: "));
575 expr_gstr_print(sym->rev_dep.expr, r);
578 str_append(r, "\n\n");
581 struct gstr get_relations_str(struct symbol **sym_arr)
584 struct gstr res = str_new();
587 for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
588 get_symbol_str(&res, sym);
590 str_append(&res, _("No matches found.\n"));
595 void menu_get_ext_help(struct menu *menu, struct gstr *help)
597 struct symbol *sym = menu->sym;
599 if (menu_has_help(menu)) {
601 str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
602 str_append(help, _(menu_get_help(menu)));
603 str_append(help, "\n");
606 str_append(help, nohelp_text);
609 get_symbol_str(help, sym);