Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
2 | * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> | |
3 | * Released under the terms of the GNU GPL v2.0. | |
4 | */ | |
5 | ||
dd003306 | 6 | #include <ctype.h> |
10a4b277 | 7 | #include <stdarg.h> |
1da177e4 LT |
8 | #include <stdlib.h> |
9 | #include <string.h> | |
10 | ||
1da177e4 LT |
11 | #include "lkc.h" |
12 | ||
57e6292d | 13 | static const char nohelp_text[] = "There is no help available for this option."; |
6bd5999d | 14 | |
1da177e4 LT |
15 | struct menu rootmenu; |
16 | static struct menu **last_entry_ptr; | |
17 | ||
18 | struct file *file_list; | |
19 | struct file *current_file; | |
20 | ||
93449082 | 21 | void menu_warn(struct menu *menu, const char *fmt, ...) |
1da177e4 LT |
22 | { |
23 | va_list ap; | |
24 | va_start(ap, fmt); | |
25 | fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno); | |
26 | vfprintf(stderr, fmt, ap); | |
27 | fprintf(stderr, "\n"); | |
28 | va_end(ap); | |
29 | } | |
30 | ||
31 | static void prop_warn(struct property *prop, const char *fmt, ...) | |
32 | { | |
33 | va_list ap; | |
34 | va_start(ap, fmt); | |
35 | fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno); | |
36 | vfprintf(stderr, fmt, ap); | |
37 | fprintf(stderr, "\n"); | |
38 | va_end(ap); | |
39 | } | |
40 | ||
692d97c3 | 41 | void _menu_init(void) |
1da177e4 LT |
42 | { |
43 | current_entry = current_menu = &rootmenu; | |
44 | last_entry_ptr = &rootmenu.list; | |
45 | } | |
46 | ||
47 | void menu_add_entry(struct symbol *sym) | |
48 | { | |
49 | struct menu *menu; | |
50 | ||
177acf78 | 51 | menu = xmalloc(sizeof(*menu)); |
1da177e4 LT |
52 | memset(menu, 0, sizeof(*menu)); |
53 | menu->sym = sym; | |
54 | menu->parent = current_menu; | |
55 | menu->file = current_file; | |
56 | menu->lineno = zconf_lineno(); | |
57 | ||
58 | *last_entry_ptr = menu; | |
59 | last_entry_ptr = &menu->next; | |
60 | current_entry = menu; | |
59e89e3d SR |
61 | if (sym) |
62 | menu_add_symbol(P_SYMBOL, sym, NULL); | |
1da177e4 LT |
63 | } |
64 | ||
65 | void menu_end_entry(void) | |
66 | { | |
67 | } | |
68 | ||
a02f0570 | 69 | struct menu *menu_add_menu(void) |
1da177e4 | 70 | { |
a02f0570 | 71 | menu_end_entry(); |
1da177e4 | 72 | last_entry_ptr = ¤t_entry->list; |
a02f0570 | 73 | return current_menu = current_entry; |
1da177e4 LT |
74 | } |
75 | ||
76 | void menu_end_menu(void) | |
77 | { | |
78 | last_entry_ptr = ¤t_menu->next; | |
79 | current_menu = current_menu->parent; | |
80 | } | |
81 | ||
9a826842 UM |
82 | /* |
83 | * Rewrites 'm' to 'm' && MODULES, so that it evaluates to 'n' when running | |
84 | * without modules | |
85 | */ | |
86 | static struct expr *rewrite_m(struct expr *e) | |
1da177e4 LT |
87 | { |
88 | if (!e) | |
89 | return e; | |
90 | ||
91 | switch (e->type) { | |
92 | case E_NOT: | |
9a826842 | 93 | e->left.expr = rewrite_m(e->left.expr); |
1da177e4 LT |
94 | break; |
95 | case E_OR: | |
96 | case E_AND: | |
9a826842 UM |
97 | e->left.expr = rewrite_m(e->left.expr); |
98 | e->right.expr = rewrite_m(e->right.expr); | |
1da177e4 LT |
99 | break; |
100 | case E_SYMBOL: | |
101 | /* change 'm' into 'm' && MODULES */ | |
102 | if (e->left.sym == &symbol_mod) | |
103 | return expr_alloc_and(e, expr_alloc_symbol(modules_sym)); | |
104 | break; | |
105 | default: | |
106 | break; | |
107 | } | |
108 | return e; | |
109 | } | |
110 | ||
111 | void menu_add_dep(struct expr *dep) | |
112 | { | |
9a826842 | 113 | current_entry->dep = expr_alloc_and(current_entry->dep, rewrite_m(dep)); |
1da177e4 LT |
114 | } |
115 | ||
116 | void menu_set_type(int type) | |
117 | { | |
118 | struct symbol *sym = current_entry->sym; | |
119 | ||
120 | if (sym->type == type) | |
121 | return; | |
122 | if (sym->type == S_UNKNOWN) { | |
123 | sym->type = type; | |
124 | return; | |
125 | } | |
57540f1d MW |
126 | menu_warn(current_entry, |
127 | "ignoring type redefinition of '%s' from '%s' to '%s'", | |
128 | sym->name ? sym->name : "<choice>", | |
129 | sym_type_name(sym->type), sym_type_name(type)); | |
1da177e4 LT |
130 | } |
131 | ||
ad8d40cd | 132 | static struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep) |
1da177e4 LT |
133 | { |
134 | struct property *prop = prop_alloc(type, current_entry->sym); | |
135 | ||
136 | prop->menu = current_entry; | |
1da177e4 | 137 | prop->expr = expr; |
9a826842 | 138 | prop->visible.expr = rewrite_m(dep); |
1da177e4 LT |
139 | |
140 | if (prompt) { | |
f001f7f8 RZ |
141 | if (isspace(*prompt)) { |
142 | prop_warn(prop, "leading whitespace ignored"); | |
143 | while (isspace(*prompt)) | |
144 | prompt++; | |
145 | } | |
ba6ff60d | 146 | if (current_entry->prompt && current_entry != &rootmenu) |
f001f7f8 | 147 | prop_warn(prop, "prompt redefined"); |
7ad12278 JB |
148 | |
149 | /* Apply all upper menus' visibilities to actual prompts. */ | |
150 | if(type == P_PROMPT) { | |
151 | struct menu *menu = current_entry; | |
152 | ||
153 | while ((menu = menu->parent) != NULL) { | |
e983b7b1 DG |
154 | struct expr *dup_expr; |
155 | ||
7ad12278 JB |
156 | if (!menu->visibility) |
157 | continue; | |
e983b7b1 DG |
158 | /* |
159 | * Do not add a reference to the | |
160 | * menu's visibility expression but | |
161 | * use a copy of it. Otherwise the | |
162 | * expression reduction functions | |
163 | * will modify expressions that have | |
164 | * multiple references which can | |
165 | * cause unwanted side effects. | |
166 | */ | |
167 | dup_expr = expr_copy(menu->visibility); | |
168 | ||
7ad12278 JB |
169 | prop->visible.expr |
170 | = expr_alloc_and(prop->visible.expr, | |
e983b7b1 | 171 | dup_expr); |
7ad12278 JB |
172 | } |
173 | } | |
174 | ||
1da177e4 LT |
175 | current_entry->prompt = prop; |
176 | } | |
f001f7f8 | 177 | prop->text = prompt; |
1da177e4 LT |
178 | |
179 | return prop; | |
180 | } | |
181 | ||
fb7f6ff6 | 182 | struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) |
1da177e4 | 183 | { |
fb7f6ff6 | 184 | return menu_add_prop(type, prompt, NULL, dep); |
1da177e4 LT |
185 | } |
186 | ||
86e187ff AL |
187 | void menu_add_visibility(struct expr *expr) |
188 | { | |
189 | current_entry->visibility = expr_alloc_and(current_entry->visibility, | |
190 | expr); | |
191 | } | |
192 | ||
1da177e4 LT |
193 | void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep) |
194 | { | |
195 | menu_add_prop(type, NULL, expr, dep); | |
196 | } | |
197 | ||
198 | void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep) | |
199 | { | |
200 | menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep); | |
201 | } | |
202 | ||
f6a88aa8 RZ |
203 | void menu_add_option(int token, char *arg) |
204 | { | |
face4374 RZ |
205 | switch (token) { |
206 | case T_OPT_MODULES: | |
e0627813 YM |
207 | if (modules_sym) |
208 | zconf_error("symbol '%s' redefines option 'modules'" | |
209 | " already defined by symbol '%s'", | |
210 | current_entry->sym->name, | |
211 | modules_sym->name | |
212 | ); | |
6902dccf | 213 | modules_sym = current_entry->sym; |
face4374 RZ |
214 | break; |
215 | case T_OPT_DEFCONFIG_LIST: | |
216 | if (!sym_defconfig_list) | |
217 | sym_defconfig_list = current_entry->sym; | |
218 | else if (sym_defconfig_list != current_entry->sym) | |
219 | zconf_error("trying to redefine defconfig symbol"); | |
220 | break; | |
93449082 RZ |
221 | case T_OPT_ENV: |
222 | prop_add_env(arg); | |
223 | break; | |
5d2acfc7 JT |
224 | case T_OPT_ALLNOCONFIG_Y: |
225 | current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y; | |
226 | break; | |
face4374 | 227 | } |
f6a88aa8 RZ |
228 | } |
229 | ||
ab60bd0b | 230 | static int menu_validate_number(struct symbol *sym, struct symbol *sym2) |
4cf3cbe2 RZ |
231 | { |
232 | return sym2->type == S_INT || sym2->type == S_HEX || | |
233 | (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name)); | |
234 | } | |
235 | ||
4356f489 | 236 | static void sym_check_prop(struct symbol *sym) |
1da177e4 LT |
237 | { |
238 | struct property *prop; | |
239 | struct symbol *sym2; | |
237e3ad0 NP |
240 | char *use; |
241 | ||
1da177e4 LT |
242 | for (prop = sym->prop; prop; prop = prop->next) { |
243 | switch (prop->type) { | |
244 | case P_DEFAULT: | |
245 | if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) && | |
246 | prop->expr->type != E_SYMBOL) | |
247 | prop_warn(prop, | |
4280eae0 | 248 | "default for config symbol '%s'" |
1da177e4 | 249 | " must be a single symbol", sym->name); |
ab60bd0b AL |
250 | if (prop->expr->type != E_SYMBOL) |
251 | break; | |
252 | sym2 = prop_get_symbol(prop); | |
253 | if (sym->type == S_HEX || sym->type == S_INT) { | |
254 | if (!menu_validate_number(sym, sym2)) | |
255 | prop_warn(prop, | |
256 | "'%s': number is invalid", | |
257 | sym->name); | |
258 | } | |
2c37e084 UM |
259 | if (sym_is_choice(sym)) { |
260 | struct property *choice_prop = | |
261 | sym_get_choice_prop(sym2); | |
262 | ||
263 | if (!choice_prop || | |
264 | prop_get_symbol(choice_prop) != sym) | |
265 | prop_warn(prop, | |
266 | "choice default symbol '%s' is not contained in the choice", | |
267 | sym2->name); | |
268 | } | |
1da177e4 LT |
269 | break; |
270 | case P_SELECT: | |
237e3ad0 NP |
271 | case P_IMPLY: |
272 | use = prop->type == P_SELECT ? "select" : "imply"; | |
1da177e4 LT |
273 | sym2 = prop_get_symbol(prop); |
274 | if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE) | |
275 | prop_warn(prop, | |
237e3ad0 NP |
276 | "config symbol '%s' uses %s, but is " |
277 | "not boolean or tristate", sym->name, use); | |
603d4988 | 278 | else if (sym2->type != S_UNKNOWN && |
bb66fc67 MY |
279 | sym2->type != S_BOOLEAN && |
280 | sym2->type != S_TRISTATE) | |
1da177e4 | 281 | prop_warn(prop, |
237e3ad0 | 282 | "'%s' has wrong type. '%s' only " |
1da177e4 | 283 | "accept arguments of boolean and " |
237e3ad0 | 284 | "tristate type", sym2->name, use); |
1da177e4 LT |
285 | break; |
286 | case P_RANGE: | |
287 | if (sym->type != S_INT && sym->type != S_HEX) | |
288 | prop_warn(prop, "range is only allowed " | |
bb66fc67 | 289 | "for int or hex symbols"); |
ab60bd0b AL |
290 | if (!menu_validate_number(sym, prop->expr->left.sym) || |
291 | !menu_validate_number(sym, prop->expr->right.sym)) | |
1da177e4 LT |
292 | prop_warn(prop, "range is invalid"); |
293 | break; | |
294 | default: | |
295 | ; | |
296 | } | |
297 | } | |
298 | } | |
299 | ||
300 | void menu_finalize(struct menu *parent) | |
301 | { | |
302 | struct menu *menu, *last_menu; | |
303 | struct symbol *sym; | |
304 | struct property *prop; | |
305 | struct expr *parentdep, *basedep, *dep, *dep2, **ep; | |
306 | ||
307 | sym = parent->sym; | |
308 | if (parent->list) { | |
fa8cedae UM |
309 | /* |
310 | * This menu node has children. We (recursively) process them | |
311 | * and propagate parent dependencies before moving on. | |
312 | */ | |
313 | ||
1da177e4 | 314 | if (sym && sym_is_choice(sym)) { |
5a1aa8a1 RZ |
315 | if (sym->type == S_UNKNOWN) { |
316 | /* find the first choice value to find out choice type */ | |
317 | current_entry = parent; | |
318 | for (menu = parent->list; menu; menu = menu->next) { | |
319 | if (menu->sym && menu->sym->type != S_UNKNOWN) { | |
f5eaa323 | 320 | menu_set_type(menu->sym->type); |
5a1aa8a1 RZ |
321 | break; |
322 | } | |
1da177e4 LT |
323 | } |
324 | } | |
5a1aa8a1 RZ |
325 | /* set the type of the remaining choice values */ |
326 | for (menu = parent->list; menu; menu = menu->next) { | |
327 | current_entry = menu; | |
328 | if (menu->sym && menu->sym->type == S_UNKNOWN) | |
329 | menu_set_type(sym->type); | |
330 | } | |
1da177e4 LT |
331 | parentdep = expr_alloc_symbol(sym); |
332 | } else if (parent->prompt) | |
333 | parentdep = parent->prompt->visible.expr; | |
334 | else | |
335 | parentdep = parent->dep; | |
336 | ||
fa8cedae | 337 | /* For each child menu node... */ |
1da177e4 | 338 | for (menu = parent->list; menu; menu = menu->next) { |
fa8cedae UM |
339 | /* |
340 | * Propagate parent dependencies to the child menu | |
341 | * node, also rewriting and simplifying expressions | |
342 | */ | |
1da177e4 | 343 | basedep = expr_transform(menu->dep); |
e8b8c977 | 344 | basedep = expr_alloc_and(expr_copy(parentdep), basedep); |
1da177e4 LT |
345 | basedep = expr_eliminate_dups(basedep); |
346 | menu->dep = basedep; | |
fa8cedae | 347 | |
1da177e4 | 348 | if (menu->sym) |
fa8cedae UM |
349 | /* |
350 | * Note: For symbols, all prompts are included | |
351 | * too in the symbol's own property list | |
352 | */ | |
1da177e4 LT |
353 | prop = menu->sym->prop; |
354 | else | |
fa8cedae UM |
355 | /* |
356 | * For non-symbol menu nodes, we just need to | |
357 | * handle the prompt | |
358 | */ | |
1da177e4 | 359 | prop = menu->prompt; |
fa8cedae UM |
360 | |
361 | /* For each property... */ | |
1da177e4 LT |
362 | for (; prop; prop = prop->next) { |
363 | if (prop->menu != menu) | |
fa8cedae UM |
364 | /* |
365 | * Two possibilities: | |
366 | * | |
367 | * 1. The property lacks dependencies | |
368 | * and so isn't location-specific, | |
369 | * e.g. an 'option' | |
370 | * | |
371 | * 2. The property belongs to a symbol | |
372 | * defined in multiple locations and | |
373 | * is from some other location. It | |
374 | * will be handled there in that | |
375 | * case. | |
376 | * | |
377 | * Skip the property. | |
378 | */ | |
1da177e4 | 379 | continue; |
fa8cedae UM |
380 | |
381 | /* | |
382 | * Propagate parent dependencies to the | |
383 | * property's condition, rewriting and | |
384 | * simplifying expressions at the same time | |
385 | */ | |
1da177e4 LT |
386 | dep = expr_transform(prop->visible.expr); |
387 | dep = expr_alloc_and(expr_copy(basedep), dep); | |
388 | dep = expr_eliminate_dups(dep); | |
389 | if (menu->sym && menu->sym->type != S_TRISTATE) | |
390 | dep = expr_trans_bool(dep); | |
391 | prop->visible.expr = dep; | |
fa8cedae UM |
392 | |
393 | /* | |
394 | * Handle selects and implies, which modify the | |
395 | * dependencies of the selected/implied symbol | |
396 | */ | |
1da177e4 LT |
397 | if (prop->type == P_SELECT) { |
398 | struct symbol *es = prop_get_symbol(prop); | |
399 | es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr, | |
400 | expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); | |
237e3ad0 NP |
401 | } else if (prop->type == P_IMPLY) { |
402 | struct symbol *es = prop_get_symbol(prop); | |
403 | es->implied.expr = expr_alloc_or(es->implied.expr, | |
404 | expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); | |
1da177e4 LT |
405 | } |
406 | } | |
407 | } | |
fa8cedae UM |
408 | |
409 | /* | |
410 | * Recursively process children in the same fashion before | |
411 | * moving on | |
412 | */ | |
1da177e4 LT |
413 | for (menu = parent->list; menu; menu = menu->next) |
414 | menu_finalize(menu); | |
415 | } else if (sym) { | |
416 | basedep = parent->prompt ? parent->prompt->visible.expr : NULL; | |
417 | basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no); | |
418 | basedep = expr_eliminate_dups(expr_transform(basedep)); | |
419 | last_menu = NULL; | |
420 | for (menu = parent->next; menu; menu = menu->next) { | |
421 | dep = menu->prompt ? menu->prompt->visible.expr : menu->dep; | |
422 | if (!expr_contains_symbol(dep, sym)) | |
423 | break; | |
424 | if (expr_depends_symbol(dep, sym)) | |
425 | goto next; | |
426 | dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no); | |
427 | dep = expr_eliminate_dups(expr_transform(dep)); | |
428 | dep2 = expr_copy(basedep); | |
429 | expr_eliminate_eq(&dep, &dep2); | |
430 | expr_free(dep); | |
431 | if (!expr_is_yes(dep2)) { | |
432 | expr_free(dep2); | |
433 | break; | |
434 | } | |
435 | expr_free(dep2); | |
436 | next: | |
437 | menu_finalize(menu); | |
438 | menu->parent = parent; | |
439 | last_menu = menu; | |
440 | } | |
441 | if (last_menu) { | |
442 | parent->list = parent->next; | |
443 | parent->next = last_menu->next; | |
444 | last_menu->next = NULL; | |
445 | } | |
ff5ff606 | 446 | |
ec6452a5 | 447 | sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep); |
1da177e4 LT |
448 | } |
449 | for (menu = parent->list; menu; menu = menu->next) { | |
5a1aa8a1 RZ |
450 | if (sym && sym_is_choice(sym) && |
451 | menu->sym && !sym_is_choice_value(menu->sym)) { | |
452 | current_entry = menu; | |
1da177e4 LT |
453 | menu->sym->flags |= SYMBOL_CHOICEVAL; |
454 | if (!menu->prompt) | |
455 | menu_warn(menu, "choice value must have a prompt"); | |
456 | for (prop = menu->sym->prop; prop; prop = prop->next) { | |
1da177e4 LT |
457 | if (prop->type == P_DEFAULT) |
458 | prop_warn(prop, "defaults for choice " | |
5a1aa8a1 RZ |
459 | "values not supported"); |
460 | if (prop->menu == menu) | |
461 | continue; | |
462 | if (prop->type == P_PROMPT && | |
463 | prop->menu->parent->sym != sym) | |
464 | prop_warn(prop, "choice value used outside its choice group"); | |
1da177e4 | 465 | } |
f5eaa323 JB |
466 | /* Non-tristate choice values of tristate choices must |
467 | * depend on the choice being set to Y. The choice | |
468 | * values' dependencies were propagated to their | |
469 | * properties above, so the change here must be re- | |
5a1aa8a1 RZ |
470 | * propagated. |
471 | */ | |
f5eaa323 JB |
472 | if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) { |
473 | basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes); | |
5a1aa8a1 | 474 | menu->dep = expr_alloc_and(basedep, menu->dep); |
f5eaa323 JB |
475 | for (prop = menu->sym->prop; prop; prop = prop->next) { |
476 | if (prop->menu != menu) | |
477 | continue; | |
5a1aa8a1 RZ |
478 | prop->visible.expr = expr_alloc_and(expr_copy(basedep), |
479 | prop->visible.expr); | |
f5eaa323 JB |
480 | } |
481 | } | |
1da177e4 LT |
482 | menu_add_symbol(P_CHOICE, sym, NULL); |
483 | prop = sym_get_choice_prop(sym); | |
484 | for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr) | |
485 | ; | |
7a962923 | 486 | *ep = expr_alloc_one(E_LIST, NULL); |
1da177e4 LT |
487 | (*ep)->right.sym = menu->sym; |
488 | } | |
489 | if (menu->list && (!menu->prompt || !menu->prompt->text)) { | |
490 | for (last_menu = menu->list; ; last_menu = last_menu->next) { | |
491 | last_menu->parent = parent; | |
492 | if (!last_menu->next) | |
493 | break; | |
494 | } | |
495 | last_menu->next = menu->next; | |
496 | menu->next = menu->list; | |
497 | menu->list = NULL; | |
498 | } | |
499 | } | |
500 | ||
501 | if (sym && !(sym->flags & SYMBOL_WARNED)) { | |
502 | if (sym->type == S_UNKNOWN) | |
f001f7f8 | 503 | menu_warn(parent, "config symbol defined without type"); |
1da177e4 LT |
504 | |
505 | if (sym_is_choice(sym) && !parent->prompt) | |
f001f7f8 | 506 | menu_warn(parent, "choice must have a prompt"); |
1da177e4 LT |
507 | |
508 | /* Check properties connected to this symbol */ | |
509 | sym_check_prop(sym); | |
510 | sym->flags |= SYMBOL_WARNED; | |
511 | } | |
512 | ||
513 | if (sym && !sym_is_optional(sym) && parent->prompt) { | |
514 | sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr, | |
515 | expr_alloc_and(parent->prompt->visible.expr, | |
516 | expr_alloc_symbol(&symbol_mod))); | |
517 | } | |
518 | } | |
519 | ||
22c7eca6 LZ |
520 | bool menu_has_prompt(struct menu *menu) |
521 | { | |
522 | if (!menu->prompt) | |
523 | return false; | |
524 | return true; | |
525 | } | |
526 | ||
1278ebdb DG |
527 | /* |
528 | * Determine if a menu is empty. | |
529 | * A menu is considered empty if it contains no or only | |
530 | * invisible entries. | |
531 | */ | |
532 | bool menu_is_empty(struct menu *menu) | |
533 | { | |
534 | struct menu *child; | |
535 | ||
536 | for (child = menu->list; child; child = child->next) { | |
537 | if (menu_is_visible(child)) | |
538 | return(false); | |
539 | } | |
540 | return(true); | |
541 | } | |
542 | ||
1da177e4 LT |
543 | bool menu_is_visible(struct menu *menu) |
544 | { | |
545 | struct menu *child; | |
546 | struct symbol *sym; | |
547 | tristate visible; | |
548 | ||
549 | if (!menu->prompt) | |
550 | return false; | |
22c7eca6 | 551 | |
86e187ff AL |
552 | if (menu->visibility) { |
553 | if (expr_calc_value(menu->visibility) == no) | |
aab24a89 | 554 | return false; |
86e187ff AL |
555 | } |
556 | ||
1da177e4 LT |
557 | sym = menu->sym; |
558 | if (sym) { | |
559 | sym_calc_value(sym); | |
560 | visible = menu->prompt->visible.tri; | |
561 | } else | |
562 | visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr); | |
563 | ||
564 | if (visible != no) | |
565 | return true; | |
22c7eca6 | 566 | |
1da177e4 LT |
567 | if (!sym || sym_get_tristate_value(menu->sym) == no) |
568 | return false; | |
569 | ||
3fb9acb3 LZ |
570 | for (child = menu->list; child; child = child->next) { |
571 | if (menu_is_visible(child)) { | |
572 | if (sym) | |
573 | sym->flags |= SYMBOL_DEF_USER; | |
1da177e4 | 574 | return true; |
3fb9acb3 LZ |
575 | } |
576 | } | |
22c7eca6 | 577 | |
1da177e4 LT |
578 | return false; |
579 | } | |
580 | ||
581 | const char *menu_get_prompt(struct menu *menu) | |
582 | { | |
583 | if (menu->prompt) | |
01771b0f | 584 | return menu->prompt->text; |
1da177e4 | 585 | else if (menu->sym) |
01771b0f | 586 | return menu->sym->name; |
1da177e4 LT |
587 | return NULL; |
588 | } | |
589 | ||
590 | struct menu *menu_get_root_menu(struct menu *menu) | |
591 | { | |
592 | return &rootmenu; | |
593 | } | |
594 | ||
595 | struct menu *menu_get_parent_menu(struct menu *menu) | |
596 | { | |
597 | enum prop_type type; | |
598 | ||
599 | for (; menu != &rootmenu; menu = menu->parent) { | |
600 | type = menu->prompt ? menu->prompt->type : 0; | |
601 | if (type == P_MENU) | |
602 | break; | |
603 | } | |
604 | return menu; | |
605 | } | |
606 | ||
03d29122 SR |
607 | bool menu_has_help(struct menu *menu) |
608 | { | |
609 | return menu->help != NULL; | |
610 | } | |
611 | ||
612 | const char *menu_get_help(struct menu *menu) | |
613 | { | |
614 | if (menu->help) | |
615 | return menu->help; | |
616 | else | |
617 | return ""; | |
618 | } | |
6bd5999d | 619 | |
95ac9b3b | 620 | static void get_prompt_str(struct gstr *r, struct property *prop, |
bad9955d | 621 | struct list_head *head) |
6bd5999d CR |
622 | { |
623 | int i, j; | |
5e609add | 624 | struct menu *submenu[8], *menu, *location = NULL; |
2d560306 | 625 | struct jump_key *jump = NULL; |
6bd5999d CR |
626 | |
627 | str_printf(r, _("Prompt: %s\n"), _(prop->text)); | |
6bd5999d | 628 | menu = prop->menu->parent; |
5e609add BP |
629 | for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) { |
630 | bool accessible = menu_is_visible(menu); | |
631 | ||
6bd5999d | 632 | submenu[i++] = menu; |
5e609add BP |
633 | if (location == NULL && accessible) |
634 | location = menu; | |
635 | } | |
95ac9b3b | 636 | if (head && location) { |
177acf78 | 637 | jump = xmalloc(sizeof(struct jump_key)); |
95ac9b3b | 638 | |
5e609add BP |
639 | if (menu_is_visible(prop->menu)) { |
640 | /* | |
641 | * There is not enough room to put the hint at the | |
642 | * beginning of the "Prompt" line. Put the hint on the | |
643 | * last "Location" line even when it would belong on | |
644 | * the former. | |
645 | */ | |
95ac9b3b | 646 | jump->target = prop->menu; |
5e609add | 647 | } else |
95ac9b3b BP |
648 | jump->target = location; |
649 | ||
bad9955d | 650 | if (list_empty(head)) |
95ac9b3b BP |
651 | jump->index = 0; |
652 | else | |
bad9955d BP |
653 | jump->index = list_entry(head->prev, struct jump_key, |
654 | entries)->index + 1; | |
95ac9b3b | 655 | |
bad9955d | 656 | list_add_tail(&jump->entries, head); |
95ac9b3b | 657 | } |
5e609add | 658 | |
6bd5999d CR |
659 | if (i > 0) { |
660 | str_printf(r, _(" Location:\n")); | |
95ac9b3b | 661 | for (j = 4; --i >= 0; j += 2) { |
6bd5999d | 662 | menu = submenu[i]; |
2d560306 | 663 | if (jump && menu == location) |
503c8230 | 664 | jump->offset = strlen(r->s); |
95ac9b3b BP |
665 | str_printf(r, "%*c-> %s", j, ' ', |
666 | _(menu_get_prompt(menu))); | |
6bd5999d CR |
667 | if (menu->sym) { |
668 | str_printf(r, " (%s [=%s])", menu->sym->name ? | |
669 | menu->sym->name : _("<choice>"), | |
670 | sym_get_string_value(menu->sym)); | |
671 | } | |
672 | str_append(r, "\n"); | |
673 | } | |
674 | } | |
675 | } | |
676 | ||
bcdedcc1 | 677 | /* |
8d9dfe82 | 678 | * get property of type P_SYMBOL |
bcdedcc1 W |
679 | */ |
680 | static struct property *get_symbol_prop(struct symbol *sym) | |
681 | { | |
682 | struct property *prop = NULL; | |
683 | ||
684 | for_all_properties(sym, prop, P_SYMBOL) | |
685 | break; | |
686 | return prop; | |
687 | } | |
688 | ||
237e3ad0 NP |
689 | static void get_symbol_props_str(struct gstr *r, struct symbol *sym, |
690 | enum prop_type tok, const char *prefix) | |
691 | { | |
692 | bool hit = false; | |
693 | struct property *prop; | |
694 | ||
695 | for_all_properties(sym, prop, tok) { | |
696 | if (!hit) { | |
697 | str_append(r, prefix); | |
698 | hit = true; | |
699 | } else | |
700 | str_printf(r, " && "); | |
701 | expr_gstr_print(prop->expr, r); | |
702 | } | |
703 | if (hit) | |
704 | str_append(r, "\n"); | |
705 | } | |
706 | ||
5e609add | 707 | /* |
95ac9b3b | 708 | * head is optional and may be NULL |
5e609add | 709 | */ |
ad8d40cd | 710 | static void get_symbol_str(struct gstr *r, struct symbol *sym, |
bad9955d | 711 | struct list_head *head) |
6bd5999d | 712 | { |
6bd5999d CR |
713 | struct property *prop; |
714 | ||
b040b44c | 715 | if (sym && sym->name) { |
6bd5999d CR |
716 | str_printf(r, "Symbol: %s [=%s]\n", sym->name, |
717 | sym_get_string_value(sym)); | |
b040b44c | 718 | str_printf(r, "Type : %s\n", sym_type_name(sym->type)); |
70ed0747 LZ |
719 | if (sym->type == S_INT || sym->type == S_HEX) { |
720 | prop = sym_get_range_prop(sym); | |
721 | if (prop) { | |
722 | str_printf(r, "Range : "); | |
723 | expr_gstr_print(prop->expr, r); | |
724 | str_append(r, "\n"); | |
725 | } | |
726 | } | |
b040b44c | 727 | } |
6bd5999d | 728 | for_all_prompts(sym, prop) |
95ac9b3b | 729 | get_prompt_str(r, prop, head); |
383da76f | 730 | |
bcdedcc1 | 731 | prop = get_symbol_prop(sym); |
383da76f LZ |
732 | if (prop) { |
733 | str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name, | |
734 | prop->menu->lineno); | |
735 | if (!expr_is_yes(prop->visible.expr)) { | |
736 | str_append(r, _(" Depends on: ")); | |
737 | expr_gstr_print(prop->visible.expr, r); | |
738 | str_append(r, "\n"); | |
739 | } | |
bcdedcc1 | 740 | } |
383da76f | 741 | |
237e3ad0 | 742 | get_symbol_props_str(r, sym, P_SELECT, _(" Selects: ")); |
6bd5999d CR |
743 | if (sym->rev_dep.expr) { |
744 | str_append(r, _(" Selected by: ")); | |
745 | expr_gstr_print(sym->rev_dep.expr, r); | |
746 | str_append(r, "\n"); | |
747 | } | |
237e3ad0 NP |
748 | |
749 | get_symbol_props_str(r, sym, P_IMPLY, _(" Implies: ")); | |
750 | if (sym->implied.expr) { | |
751 | str_append(r, _(" Implied by: ")); | |
752 | expr_gstr_print(sym->implied.expr, r); | |
753 | str_append(r, "\n"); | |
754 | } | |
755 | ||
6bd5999d CR |
756 | str_append(r, "\n\n"); |
757 | } | |
758 | ||
bad9955d | 759 | struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head) |
692d97c3 | 760 | { |
761 | struct symbol *sym; | |
762 | struct gstr res = str_new(); | |
95ac9b3b | 763 | int i; |
692d97c3 | 764 | |
765 | for (i = 0; sym_arr && (sym = sym_arr[i]); i++) | |
95ac9b3b | 766 | get_symbol_str(&res, sym, head); |
692d97c3 | 767 | if (!i) |
768 | str_append(&res, _("No matches found.\n")); | |
769 | return res; | |
770 | } | |
771 | ||
772 | ||
6bd5999d CR |
773 | void menu_get_ext_help(struct menu *menu, struct gstr *help) |
774 | { | |
775 | struct symbol *sym = menu->sym; | |
57e6292d | 776 | const char *help_text = nohelp_text; |
6bd5999d CR |
777 | |
778 | if (menu_has_help(menu)) { | |
3f198dfe | 779 | if (sym->name) |
ffb5957b | 780 | str_printf(help, "%s%s:\n\n", CONFIG_, sym->name); |
57e6292d | 781 | help_text = menu_get_help(menu); |
6bd5999d | 782 | } |
57e6292d | 783 | str_printf(help, "%s\n", _(help_text)); |
4779105e | 784 | if (sym) |
95ac9b3b | 785 | get_symbol_str(help, sym, NULL); |
6bd5999d | 786 | } |