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");
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_range_valid_sym(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);
226 sym2 = prop_get_symbol(prop);
227 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
229 "config symbol '%s' uses select, but is "
230 "not boolean or tristate", sym->name);
231 else if (sym2->type != S_UNKNOWN &&
232 sym2->type != S_BOOLEAN &&
233 sym2->type != S_TRISTATE)
235 "'%s' has wrong type. 'select' only "
236 "accept arguments of boolean and "
237 "tristate type", sym2->name);
240 if (sym->type != S_INT && sym->type != S_HEX)
241 prop_warn(prop, "range is only allowed "
242 "for int or hex symbols");
243 if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
244 !menu_range_valid_sym(sym, prop->expr->right.sym))
245 prop_warn(prop, "range is invalid");
253 void menu_finalize(struct menu *parent)
255 struct menu *menu, *last_menu;
257 struct property *prop;
258 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
262 if (sym && sym_is_choice(sym)) {
263 if (sym->type == S_UNKNOWN) {
264 /* find the first choice value to find out choice type */
265 current_entry = parent;
266 for (menu = parent->list; menu; menu = menu->next) {
267 if (menu->sym && menu->sym->type != S_UNKNOWN) {
268 menu_set_type(menu->sym->type);
273 /* set the type of the remaining choice values */
274 for (menu = parent->list; menu; menu = menu->next) {
275 current_entry = menu;
276 if (menu->sym && menu->sym->type == S_UNKNOWN)
277 menu_set_type(sym->type);
279 parentdep = expr_alloc_symbol(sym);
280 } else if (parent->prompt)
281 parentdep = parent->prompt->visible.expr;
283 parentdep = parent->dep;
285 for (menu = parent->list; menu; menu = menu->next) {
286 basedep = expr_transform(menu->dep);
287 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
288 basedep = expr_eliminate_dups(basedep);
291 prop = menu->sym->prop;
294 for (; prop; prop = prop->next) {
295 if (prop->menu != menu)
297 dep = expr_transform(prop->visible.expr);
298 dep = expr_alloc_and(expr_copy(basedep), dep);
299 dep = expr_eliminate_dups(dep);
300 if (menu->sym && menu->sym->type != S_TRISTATE)
301 dep = expr_trans_bool(dep);
302 prop->visible.expr = dep;
303 if (prop->type == P_SELECT) {
304 struct symbol *es = prop_get_symbol(prop);
305 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
306 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
310 for (menu = parent->list; menu; menu = menu->next)
313 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
314 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
315 basedep = expr_eliminate_dups(expr_transform(basedep));
317 for (menu = parent->next; menu; menu = menu->next) {
318 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
319 if (!expr_contains_symbol(dep, sym))
321 if (expr_depends_symbol(dep, sym))
323 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
324 dep = expr_eliminate_dups(expr_transform(dep));
325 dep2 = expr_copy(basedep);
326 expr_eliminate_eq(&dep, &dep2);
328 if (!expr_is_yes(dep2)) {
335 menu->parent = parent;
339 parent->list = parent->next;
340 parent->next = last_menu->next;
341 last_menu->next = NULL;
344 sym->dir_dep.expr = parent->dep;
346 for (menu = parent->list; menu; menu = menu->next) {
347 if (sym && sym_is_choice(sym) &&
348 menu->sym && !sym_is_choice_value(menu->sym)) {
349 current_entry = menu;
350 menu->sym->flags |= SYMBOL_CHOICEVAL;
352 menu_warn(menu, "choice value must have a prompt");
353 for (prop = menu->sym->prop; prop; prop = prop->next) {
354 if (prop->type == P_DEFAULT)
355 prop_warn(prop, "defaults for choice "
356 "values not supported");
357 if (prop->menu == menu)
359 if (prop->type == P_PROMPT &&
360 prop->menu->parent->sym != sym)
361 prop_warn(prop, "choice value used outside its choice group");
363 /* Non-tristate choice values of tristate choices must
364 * depend on the choice being set to Y. The choice
365 * values' dependencies were propagated to their
366 * properties above, so the change here must be re-
369 if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
370 basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
371 menu->dep = expr_alloc_and(basedep, menu->dep);
372 for (prop = menu->sym->prop; prop; prop = prop->next) {
373 if (prop->menu != menu)
375 prop->visible.expr = expr_alloc_and(expr_copy(basedep),
379 menu_add_symbol(P_CHOICE, sym, NULL);
380 prop = sym_get_choice_prop(sym);
381 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
383 *ep = expr_alloc_one(E_LIST, NULL);
384 (*ep)->right.sym = menu->sym;
386 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
387 for (last_menu = menu->list; ; last_menu = last_menu->next) {
388 last_menu->parent = parent;
389 if (!last_menu->next)
392 last_menu->next = menu->next;
393 menu->next = menu->list;
398 if (sym && !(sym->flags & SYMBOL_WARNED)) {
399 if (sym->type == S_UNKNOWN)
400 menu_warn(parent, "config symbol defined without type");
402 if (sym_is_choice(sym) && !parent->prompt)
403 menu_warn(parent, "choice must have a prompt");
405 /* Check properties connected to this symbol */
407 sym->flags |= SYMBOL_WARNED;
410 if (sym && !sym_is_optional(sym) && parent->prompt) {
411 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
412 expr_alloc_and(parent->prompt->visible.expr,
413 expr_alloc_symbol(&symbol_mod)));
417 bool menu_has_prompt(struct menu *menu)
424 bool menu_is_visible(struct menu *menu)
433 if (menu->visibility) {
434 if (expr_calc_value(menu->visibility) == no)
441 visible = menu->prompt->visible.tri;
443 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
448 if (!sym || sym_get_tristate_value(menu->sym) == no)
451 for (child = menu->list; child; child = child->next) {
452 if (menu_is_visible(child)) {
454 sym->flags |= SYMBOL_DEF_USER;
462 const char *menu_get_prompt(struct menu *menu)
465 return menu->prompt->text;
467 return menu->sym->name;
471 struct menu *menu_get_root_menu(struct menu *menu)
476 struct menu *menu_get_parent_menu(struct menu *menu)
480 for (; menu != &rootmenu; menu = menu->parent) {
481 type = menu->prompt ? menu->prompt->type : 0;
488 bool menu_has_help(struct menu *menu)
490 return menu->help != NULL;
493 const char *menu_get_help(struct menu *menu)
501 static void get_prompt_str(struct gstr *r, struct property *prop)
504 struct menu *submenu[8], *menu;
506 str_printf(r, _("Prompt: %s\n"), _(prop->text));
507 str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
509 if (!expr_is_yes(prop->visible.expr)) {
510 str_append(r, _(" Depends on: "));
511 expr_gstr_print(prop->visible.expr, r);
514 menu = prop->menu->parent;
515 for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
518 str_printf(r, _(" Location:\n"));
519 for (j = 4; --i >= 0; j += 2) {
521 str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
523 str_printf(r, " (%s [=%s])", menu->sym->name ?
524 menu->sym->name : _("<choice>"),
525 sym_get_string_value(menu->sym));
532 void get_symbol_str(struct gstr *r, struct symbol *sym)
535 struct property *prop;
537 if (sym && sym->name) {
538 str_printf(r, "Symbol: %s [=%s]\n", sym->name,
539 sym_get_string_value(sym));
540 str_printf(r, "Type : %s\n", sym_type_name(sym->type));
541 if (sym->type == S_INT || sym->type == S_HEX) {
542 prop = sym_get_range_prop(sym);
544 str_printf(r, "Range : ");
545 expr_gstr_print(prop->expr, r);
550 for_all_prompts(sym, prop)
551 get_prompt_str(r, prop);
553 for_all_properties(sym, prop, P_SELECT) {
555 str_append(r, " Selects: ");
558 str_printf(r, " && ");
559 expr_gstr_print(prop->expr, r);
563 if (sym->rev_dep.expr) {
564 str_append(r, _(" Selected by: "));
565 expr_gstr_print(sym->rev_dep.expr, r);
568 str_append(r, "\n\n");
571 struct gstr get_relations_str(struct symbol **sym_arr)
574 struct gstr res = str_new();
577 for (i = 0; sym_arr && (sym = sym_arr[i]); i++)
578 get_symbol_str(&res, sym);
580 str_append(&res, _("No matches found.\n"));
585 void menu_get_ext_help(struct menu *menu, struct gstr *help)
587 struct symbol *sym = menu->sym;
589 if (menu_has_help(menu)) {
591 str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
592 str_append(help, _(menu_get_help(menu)));
593 str_append(help, "\n");
596 str_append(help, nohelp_text);
599 get_symbol_str(help, sym);