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 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));
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");
143 current_entry->prompt = prop;
150 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
152 return menu_add_prop(type, prompt, NULL, dep);
155 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
157 menu_add_prop(type, NULL, expr, dep);
160 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
162 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
165 void menu_add_option(int token, char *arg)
167 struct property *prop;
171 prop = prop_alloc(P_DEFAULT, modules_sym);
172 prop->expr = expr_alloc_symbol(current_entry->sym);
174 case T_OPT_DEFCONFIG_LIST:
175 if (!sym_defconfig_list)
176 sym_defconfig_list = current_entry->sym;
177 else if (sym_defconfig_list != current_entry->sym)
178 zconf_error("trying to redefine defconfig symbol");
186 static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
188 return sym2->type == S_INT || sym2->type == S_HEX ||
189 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
192 static void sym_check_prop(struct symbol *sym)
194 struct property *prop;
196 for (prop = sym->prop; prop; prop = prop->next) {
197 switch (prop->type) {
199 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
200 prop->expr->type != E_SYMBOL)
202 "default for config symbol '%s'"
203 " must be a single symbol", sym->name);
204 if (prop->expr->type != E_SYMBOL)
206 sym2 = prop_get_symbol(prop);
207 if (sym->type == S_HEX || sym->type == S_INT) {
208 if (!menu_validate_number(sym, sym2))
210 "'%s': number is invalid",
215 sym2 = prop_get_symbol(prop);
216 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
218 "config symbol '%s' uses select, but is "
219 "not boolean or tristate", sym->name);
220 else if (sym2->type != S_UNKNOWN &&
221 sym2->type != S_BOOLEAN &&
222 sym2->type != S_TRISTATE)
224 "'%s' has wrong type. 'select' only "
225 "accept arguments of boolean and "
226 "tristate type", sym2->name);
229 if (sym->type != S_INT && sym->type != S_HEX)
230 prop_warn(prop, "range is only allowed "
231 "for int or hex symbols");
232 if (!menu_validate_number(sym, prop->expr->left.sym) ||
233 !menu_validate_number(sym, prop->expr->right.sym))
234 prop_warn(prop, "range is invalid");
242 void menu_finalize(struct menu *parent)
244 struct menu *menu, *last_menu;
246 struct property *prop;
247 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
251 if (sym && sym_is_choice(sym)) {
252 if (sym->type == S_UNKNOWN) {
253 /* find the first choice value to find out choice type */
254 current_entry = parent;
255 for (menu = parent->list; menu; menu = menu->next) {
256 if (menu->sym && menu->sym->type != S_UNKNOWN) {
257 menu_set_type(menu->sym->type);
262 /* set the type of the remaining choice values */
263 for (menu = parent->list; menu; menu = menu->next) {
264 current_entry = menu;
265 if (menu->sym && menu->sym->type == S_UNKNOWN)
266 menu_set_type(sym->type);
268 parentdep = expr_alloc_symbol(sym);
269 } else if (parent->prompt)
270 parentdep = parent->prompt->visible.expr;
272 parentdep = parent->dep;
274 for (menu = parent->list; menu; menu = menu->next) {
275 basedep = expr_transform(menu->dep);
276 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
277 basedep = expr_eliminate_dups(basedep);
280 prop = menu->sym->prop;
283 for (; prop; prop = prop->next) {
284 if (prop->menu != menu)
286 dep = expr_transform(prop->visible.expr);
287 dep = expr_alloc_and(expr_copy(basedep), dep);
288 dep = expr_eliminate_dups(dep);
289 if (menu->sym && menu->sym->type != S_TRISTATE)
290 dep = expr_trans_bool(dep);
291 prop->visible.expr = dep;
292 if (prop->type == P_SELECT) {
293 struct symbol *es = prop_get_symbol(prop);
294 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
295 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
299 for (menu = parent->list; menu; menu = menu->next)
302 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
303 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
304 basedep = expr_eliminate_dups(expr_transform(basedep));
306 for (menu = parent->next; menu; menu = menu->next) {
307 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
308 if (!expr_contains_symbol(dep, sym))
310 if (expr_depends_symbol(dep, sym))
312 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
313 dep = expr_eliminate_dups(expr_transform(dep));
314 dep2 = expr_copy(basedep);
315 expr_eliminate_eq(&dep, &dep2);
317 if (!expr_is_yes(dep2)) {
324 menu->parent = parent;
328 parent->list = parent->next;
329 parent->next = last_menu->next;
330 last_menu->next = NULL;
333 sym->dir_dep.expr = parent->dep;
335 for (menu = parent->list; menu; menu = menu->next) {
336 if (sym && sym_is_choice(sym) &&
337 menu->sym && !sym_is_choice_value(menu->sym)) {
338 current_entry = menu;
339 menu->sym->flags |= SYMBOL_CHOICEVAL;
341 menu_warn(menu, "choice value must have a prompt");
342 for (prop = menu->sym->prop; prop; prop = prop->next) {
343 if (prop->type == P_DEFAULT)
344 prop_warn(prop, "defaults for choice "
345 "values not supported");
346 if (prop->menu == menu)
348 if (prop->type == P_PROMPT &&
349 prop->menu->parent->sym != sym)
350 prop_warn(prop, "choice value used outside its choice group");
352 /* Non-tristate choice values of tristate choices must
353 * depend on the choice being set to Y. The choice
354 * values' dependencies were propagated to their
355 * properties above, so the change here must be re-
358 if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
359 basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
360 menu->dep = expr_alloc_and(basedep, menu->dep);
361 for (prop = menu->sym->prop; prop; prop = prop->next) {
362 if (prop->menu != menu)
364 prop->visible.expr = expr_alloc_and(expr_copy(basedep),
368 menu_add_symbol(P_CHOICE, sym, NULL);
369 prop = sym_get_choice_prop(sym);
370 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
372 *ep = expr_alloc_one(E_LIST, NULL);
373 (*ep)->right.sym = menu->sym;
375 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
376 for (last_menu = menu->list; ; last_menu = last_menu->next) {
377 last_menu->parent = parent;
378 if (!last_menu->next)
381 last_menu->next = menu->next;
382 menu->next = menu->list;
387 if (sym && !(sym->flags & SYMBOL_WARNED)) {
388 if (sym->type == S_UNKNOWN)
389 menu_warn(parent, "config symbol defined without type");
391 if (sym_is_choice(sym) && !parent->prompt)
392 menu_warn(parent, "choice must have a prompt");
394 /* Check properties connected to this symbol */
396 sym->flags |= SYMBOL_WARNED;
399 if (sym && !sym_is_optional(sym) && parent->prompt) {
400 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
401 expr_alloc_and(parent->prompt->visible.expr,
402 expr_alloc_symbol(&symbol_mod)));
406 bool menu_has_prompt(struct menu *menu)
413 bool menu_is_visible(struct menu *menu)
425 visible = menu->prompt->visible.tri;
427 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
432 if (!sym || sym_get_tristate_value(menu->sym) == no)
435 for (child = menu->list; child; child = child->next) {
436 if (menu_is_visible(child)) {
438 sym->flags |= SYMBOL_DEF_USER;
446 const char *menu_get_prompt(struct menu *menu)
449 return menu->prompt->text;
451 return menu->sym->name;
455 struct menu *menu_get_root_menu(struct menu *menu)
460 struct menu *menu_get_parent_menu(struct menu *menu)
464 for (; menu != &rootmenu; menu = menu->parent) {
465 type = menu->prompt ? menu->prompt->type : 0;
472 bool menu_has_help(struct menu *menu)
474 return menu->help != NULL;
477 const char *menu_get_help(struct menu *menu)
485 static void get_prompt_str(struct gstr *r, struct property *prop)
488 struct menu *submenu[8], *menu;
490 str_printf(r, _("Prompt: %s\n"), _(prop->text));
491 str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
493 if (!expr_is_yes(prop->visible.expr)) {
494 str_append(r, _(" Depends on: "));
495 expr_gstr_print(prop->visible.expr, r);
498 menu = prop->menu->parent;
499 for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
502 str_printf(r, _(" Location:\n"));
503 for (j = 4; --i >= 0; j += 2) {
505 str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
507 str_printf(r, " (%s [=%s])", menu->sym->name ?
508 menu->sym->name : _("<choice>"),
509 sym_get_string_value(menu->sym));
516 void get_symbol_str(struct gstr *r, struct symbol *sym)
519 struct property *prop;
521 if (sym && sym->name) {
522 str_printf(r, "Symbol: %s [=%s]\n", sym->name,
523 sym_get_string_value(sym));
524 str_printf(r, "Type : %s\n", sym_type_name(sym->type));
525 if (sym->type == S_INT || sym->type == S_HEX) {
526 prop = sym_get_range_prop(sym);
528 str_printf(r, "Range : ");
529 expr_gstr_print(prop->expr, r);
534 for_all_prompts(sym, prop)
535 get_prompt_str(r, prop);
537 for_all_properties(sym, prop, P_SELECT) {
539 str_append(r, " Selects: ");
542 str_printf(r, " && ");
543 expr_gstr_print(prop->expr, r);
547 if (sym->rev_dep.expr) {
548 str_append(r, _(" Selected by: "));
549 expr_gstr_print(sym->rev_dep.expr, r);
552 str_append(r, "\n\n");
555 struct gstr get_relations_str(struct symbol **sym_arr)
558 struct gstr res = str_new();
561 for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
562 get_symbol_str(&res, sym);
564 str_append(&res, _("No matches found.\n"));
569 void menu_get_ext_help(struct menu *menu, struct gstr *help)
571 struct symbol *sym = menu->sym;
573 if (menu_has_help(menu)) {
575 str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
576 str_append(help, _(menu_get_help(menu)));
577 str_append(help, "\n");
580 str_append(help, nohelp_text);
583 get_symbol_str(help, sym);