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0a9064fb MY |
1 | /* |
2 | * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> | |
3 | * Released under the terms of the GNU GPL v2.0. | |
4 | */ | |
5 | ||
6 | #include <ctype.h> | |
7 | #include <stdarg.h> | |
8 | #include <stdlib.h> | |
9 | #include <string.h> | |
10 | ||
11 | #include "lkc.h" | |
12 | ||
13 | static const char nohelp_text[] = "There is no help available for this option."; | |
14 | ||
15 | struct menu rootmenu; | |
16 | static struct menu **last_entry_ptr; | |
17 | ||
18 | struct file *file_list; | |
19 | struct file *current_file; | |
20 | ||
21 | void menu_warn(struct menu *menu, const char *fmt, ...) | |
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 | ||
41 | void _menu_init(void) | |
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 | ||
51 | menu = xmalloc(sizeof(*menu)); | |
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; | |
61 | if (sym) | |
62 | menu_add_symbol(P_SYMBOL, sym, NULL); | |
63 | } | |
64 | ||
65 | void menu_end_entry(void) | |
66 | { | |
67 | } | |
68 | ||
69 | struct menu *menu_add_menu(void) | |
70 | { | |
71 | menu_end_entry(); | |
72 | last_entry_ptr = ¤t_entry->list; | |
73 | return current_menu = current_entry; | |
74 | } | |
75 | ||
76 | void menu_end_menu(void) | |
77 | { | |
78 | last_entry_ptr = ¤t_menu->next; | |
79 | current_menu = current_menu->parent; | |
80 | } | |
81 | ||
82 | static struct expr *menu_check_dep(struct expr *e) | |
83 | { | |
84 | if (!e) | |
85 | return e; | |
86 | ||
87 | switch (e->type) { | |
88 | case E_NOT: | |
89 | e->left.expr = menu_check_dep(e->left.expr); | |
90 | break; | |
91 | case E_OR: | |
92 | case E_AND: | |
93 | e->left.expr = menu_check_dep(e->left.expr); | |
94 | e->right.expr = menu_check_dep(e->right.expr); | |
95 | break; | |
96 | case E_SYMBOL: | |
97 | /* change 'm' into 'm' && MODULES */ | |
98 | if (e->left.sym == &symbol_mod) | |
99 | return expr_alloc_and(e, expr_alloc_symbol(modules_sym)); | |
100 | break; | |
101 | default: | |
102 | break; | |
103 | } | |
104 | return e; | |
105 | } | |
106 | ||
107 | void menu_add_dep(struct expr *dep) | |
108 | { | |
109 | current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep)); | |
110 | } | |
111 | ||
112 | void menu_set_type(int type) | |
113 | { | |
114 | struct symbol *sym = current_entry->sym; | |
115 | ||
116 | if (sym->type == type) | |
117 | return; | |
118 | if (sym->type == S_UNKNOWN) { | |
119 | sym->type = type; | |
120 | return; | |
121 | } | |
122 | menu_warn(current_entry, | |
123 | "ignoring type redefinition of '%s' from '%s' to '%s'", | |
124 | sym->name ? sym->name : "<choice>", | |
125 | sym_type_name(sym->type), sym_type_name(type)); | |
126 | } | |
127 | ||
9b5f0b1d | 128 | static struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep) |
0a9064fb MY |
129 | { |
130 | struct property *prop = prop_alloc(type, current_entry->sym); | |
131 | ||
132 | prop->menu = current_entry; | |
133 | prop->expr = expr; | |
134 | prop->visible.expr = menu_check_dep(dep); | |
135 | ||
136 | if (prompt) { | |
137 | if (isspace(*prompt)) { | |
138 | prop_warn(prop, "leading whitespace ignored"); | |
139 | while (isspace(*prompt)) | |
140 | prompt++; | |
141 | } | |
142 | if (current_entry->prompt && current_entry != &rootmenu) | |
143 | prop_warn(prop, "prompt redefined"); | |
144 | ||
145 | /* Apply all upper menus' visibilities to actual prompts. */ | |
146 | if(type == P_PROMPT) { | |
147 | struct menu *menu = current_entry; | |
148 | ||
149 | while ((menu = menu->parent) != NULL) { | |
150 | struct expr *dup_expr; | |
151 | ||
152 | if (!menu->visibility) | |
153 | continue; | |
154 | /* | |
155 | * Do not add a reference to the | |
156 | * menu's visibility expression but | |
157 | * use a copy of it. Otherwise the | |
158 | * expression reduction functions | |
159 | * will modify expressions that have | |
160 | * multiple references which can | |
161 | * cause unwanted side effects. | |
162 | */ | |
163 | dup_expr = expr_copy(menu->visibility); | |
164 | ||
165 | prop->visible.expr | |
166 | = expr_alloc_and(prop->visible.expr, | |
167 | dup_expr); | |
168 | } | |
169 | } | |
170 | ||
171 | current_entry->prompt = prop; | |
172 | } | |
173 | prop->text = prompt; | |
174 | ||
175 | return prop; | |
176 | } | |
177 | ||
178 | struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep) | |
179 | { | |
180 | return menu_add_prop(type, prompt, NULL, dep); | |
181 | } | |
182 | ||
183 | void menu_add_visibility(struct expr *expr) | |
184 | { | |
185 | current_entry->visibility = expr_alloc_and(current_entry->visibility, | |
186 | expr); | |
187 | } | |
188 | ||
189 | void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep) | |
190 | { | |
191 | menu_add_prop(type, NULL, expr, dep); | |
192 | } | |
193 | ||
194 | void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep) | |
195 | { | |
196 | menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep); | |
197 | } | |
198 | ||
199 | void menu_add_option(int token, char *arg) | |
200 | { | |
201 | switch (token) { | |
202 | case T_OPT_MODULES: | |
203 | if (modules_sym) | |
204 | zconf_error("symbol '%s' redefines option 'modules'" | |
205 | " already defined by symbol '%s'", | |
206 | current_entry->sym->name, | |
207 | modules_sym->name | |
208 | ); | |
209 | modules_sym = current_entry->sym; | |
210 | break; | |
211 | case T_OPT_DEFCONFIG_LIST: | |
212 | if (!sym_defconfig_list) | |
213 | sym_defconfig_list = current_entry->sym; | |
214 | else if (sym_defconfig_list != current_entry->sym) | |
215 | zconf_error("trying to redefine defconfig symbol"); | |
216 | break; | |
217 | case T_OPT_ENV: | |
218 | prop_add_env(arg); | |
219 | break; | |
220 | case T_OPT_ALLNOCONFIG_Y: | |
221 | current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y; | |
222 | break; | |
223 | } | |
224 | } | |
225 | ||
226 | static int menu_validate_number(struct symbol *sym, struct symbol *sym2) | |
227 | { | |
228 | return sym2->type == S_INT || sym2->type == S_HEX || | |
229 | (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name)); | |
230 | } | |
231 | ||
232 | static void sym_check_prop(struct symbol *sym) | |
233 | { | |
234 | struct property *prop; | |
235 | struct symbol *sym2; | |
bf7ab1e7 MY |
236 | char *use; |
237 | ||
0a9064fb MY |
238 | for (prop = sym->prop; prop; prop = prop->next) { |
239 | switch (prop->type) { | |
240 | case P_DEFAULT: | |
241 | if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) && | |
242 | prop->expr->type != E_SYMBOL) | |
243 | prop_warn(prop, | |
244 | "default for config symbol '%s'" | |
245 | " must be a single symbol", sym->name); | |
246 | if (prop->expr->type != E_SYMBOL) | |
247 | break; | |
248 | sym2 = prop_get_symbol(prop); | |
249 | if (sym->type == S_HEX || sym->type == S_INT) { | |
250 | if (!menu_validate_number(sym, sym2)) | |
251 | prop_warn(prop, | |
252 | "'%s': number is invalid", | |
253 | sym->name); | |
254 | } | |
255 | break; | |
256 | case P_SELECT: | |
bf7ab1e7 MY |
257 | case P_IMPLY: |
258 | use = prop->type == P_SELECT ? "select" : "imply"; | |
0a9064fb MY |
259 | sym2 = prop_get_symbol(prop); |
260 | if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE) | |
261 | prop_warn(prop, | |
bf7ab1e7 MY |
262 | "config symbol '%s' uses %s, but is " |
263 | "not boolean or tristate", sym->name, use); | |
0a9064fb MY |
264 | else if (sym2->type != S_UNKNOWN && |
265 | sym2->type != S_BOOLEAN && | |
266 | sym2->type != S_TRISTATE) | |
267 | prop_warn(prop, | |
bf7ab1e7 | 268 | "'%s' has wrong type. '%s' only " |
0a9064fb | 269 | "accept arguments of boolean and " |
bf7ab1e7 | 270 | "tristate type", sym2->name, use); |
0a9064fb MY |
271 | break; |
272 | case P_RANGE: | |
273 | if (sym->type != S_INT && sym->type != S_HEX) | |
274 | prop_warn(prop, "range is only allowed " | |
275 | "for int or hex symbols"); | |
276 | if (!menu_validate_number(sym, prop->expr->left.sym) || | |
277 | !menu_validate_number(sym, prop->expr->right.sym)) | |
278 | prop_warn(prop, "range is invalid"); | |
279 | break; | |
280 | default: | |
281 | ; | |
282 | } | |
283 | } | |
284 | } | |
285 | ||
286 | void menu_finalize(struct menu *parent) | |
287 | { | |
288 | struct menu *menu, *last_menu; | |
289 | struct symbol *sym; | |
290 | struct property *prop; | |
291 | struct expr *parentdep, *basedep, *dep, *dep2, **ep; | |
292 | ||
293 | sym = parent->sym; | |
294 | if (parent->list) { | |
295 | if (sym && sym_is_choice(sym)) { | |
296 | if (sym->type == S_UNKNOWN) { | |
297 | /* find the first choice value to find out choice type */ | |
298 | current_entry = parent; | |
299 | for (menu = parent->list; menu; menu = menu->next) { | |
300 | if (menu->sym && menu->sym->type != S_UNKNOWN) { | |
301 | menu_set_type(menu->sym->type); | |
302 | break; | |
303 | } | |
304 | } | |
305 | } | |
306 | /* set the type of the remaining choice values */ | |
307 | for (menu = parent->list; menu; menu = menu->next) { | |
308 | current_entry = menu; | |
309 | if (menu->sym && menu->sym->type == S_UNKNOWN) | |
310 | menu_set_type(sym->type); | |
311 | } | |
312 | parentdep = expr_alloc_symbol(sym); | |
313 | } else if (parent->prompt) | |
314 | parentdep = parent->prompt->visible.expr; | |
315 | else | |
316 | parentdep = parent->dep; | |
317 | ||
318 | for (menu = parent->list; menu; menu = menu->next) { | |
319 | basedep = expr_transform(menu->dep); | |
320 | basedep = expr_alloc_and(expr_copy(parentdep), basedep); | |
321 | basedep = expr_eliminate_dups(basedep); | |
322 | menu->dep = basedep; | |
323 | if (menu->sym) | |
324 | prop = menu->sym->prop; | |
325 | else | |
326 | prop = menu->prompt; | |
327 | for (; prop; prop = prop->next) { | |
328 | if (prop->menu != menu) | |
329 | continue; | |
330 | dep = expr_transform(prop->visible.expr); | |
331 | dep = expr_alloc_and(expr_copy(basedep), dep); | |
332 | dep = expr_eliminate_dups(dep); | |
333 | if (menu->sym && menu->sym->type != S_TRISTATE) | |
334 | dep = expr_trans_bool(dep); | |
335 | prop->visible.expr = dep; | |
336 | if (prop->type == P_SELECT) { | |
337 | struct symbol *es = prop_get_symbol(prop); | |
338 | es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr, | |
339 | expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); | |
bf7ab1e7 MY |
340 | } else if (prop->type == P_IMPLY) { |
341 | struct symbol *es = prop_get_symbol(prop); | |
342 | es->implied.expr = expr_alloc_or(es->implied.expr, | |
343 | expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep))); | |
0a9064fb MY |
344 | } |
345 | } | |
346 | } | |
347 | for (menu = parent->list; menu; menu = menu->next) | |
348 | menu_finalize(menu); | |
349 | } else if (sym) { | |
350 | basedep = parent->prompt ? parent->prompt->visible.expr : NULL; | |
351 | basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no); | |
352 | basedep = expr_eliminate_dups(expr_transform(basedep)); | |
353 | last_menu = NULL; | |
354 | for (menu = parent->next; menu; menu = menu->next) { | |
355 | dep = menu->prompt ? menu->prompt->visible.expr : menu->dep; | |
356 | if (!expr_contains_symbol(dep, sym)) | |
357 | break; | |
358 | if (expr_depends_symbol(dep, sym)) | |
359 | goto next; | |
360 | dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no); | |
361 | dep = expr_eliminate_dups(expr_transform(dep)); | |
362 | dep2 = expr_copy(basedep); | |
363 | expr_eliminate_eq(&dep, &dep2); | |
364 | expr_free(dep); | |
365 | if (!expr_is_yes(dep2)) { | |
366 | expr_free(dep2); | |
367 | break; | |
368 | } | |
369 | expr_free(dep2); | |
370 | next: | |
371 | menu_finalize(menu); | |
372 | menu->parent = parent; | |
373 | last_menu = menu; | |
374 | } | |
375 | if (last_menu) { | |
376 | parent->list = parent->next; | |
377 | parent->next = last_menu->next; | |
378 | last_menu->next = NULL; | |
379 | } | |
380 | ||
381 | sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep); | |
382 | } | |
383 | for (menu = parent->list; menu; menu = menu->next) { | |
384 | if (sym && sym_is_choice(sym) && | |
385 | menu->sym && !sym_is_choice_value(menu->sym)) { | |
386 | current_entry = menu; | |
387 | menu->sym->flags |= SYMBOL_CHOICEVAL; | |
388 | if (!menu->prompt) | |
389 | menu_warn(menu, "choice value must have a prompt"); | |
390 | for (prop = menu->sym->prop; prop; prop = prop->next) { | |
391 | if (prop->type == P_DEFAULT) | |
392 | prop_warn(prop, "defaults for choice " | |
393 | "values not supported"); | |
394 | if (prop->menu == menu) | |
395 | continue; | |
396 | if (prop->type == P_PROMPT && | |
397 | prop->menu->parent->sym != sym) | |
398 | prop_warn(prop, "choice value used outside its choice group"); | |
399 | } | |
400 | /* Non-tristate choice values of tristate choices must | |
401 | * depend on the choice being set to Y. The choice | |
402 | * values' dependencies were propagated to their | |
403 | * properties above, so the change here must be re- | |
404 | * propagated. | |
405 | */ | |
406 | if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) { | |
407 | basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes); | |
408 | menu->dep = expr_alloc_and(basedep, menu->dep); | |
409 | for (prop = menu->sym->prop; prop; prop = prop->next) { | |
410 | if (prop->menu != menu) | |
411 | continue; | |
412 | prop->visible.expr = expr_alloc_and(expr_copy(basedep), | |
413 | prop->visible.expr); | |
414 | } | |
415 | } | |
416 | menu_add_symbol(P_CHOICE, sym, NULL); | |
417 | prop = sym_get_choice_prop(sym); | |
418 | for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr) | |
419 | ; | |
420 | *ep = expr_alloc_one(E_LIST, NULL); | |
421 | (*ep)->right.sym = menu->sym; | |
422 | } | |
423 | if (menu->list && (!menu->prompt || !menu->prompt->text)) { | |
424 | for (last_menu = menu->list; ; last_menu = last_menu->next) { | |
425 | last_menu->parent = parent; | |
426 | if (!last_menu->next) | |
427 | break; | |
428 | } | |
429 | last_menu->next = menu->next; | |
430 | menu->next = menu->list; | |
431 | menu->list = NULL; | |
432 | } | |
433 | } | |
434 | ||
435 | if (sym && !(sym->flags & SYMBOL_WARNED)) { | |
436 | if (sym->type == S_UNKNOWN) | |
437 | menu_warn(parent, "config symbol defined without type"); | |
438 | ||
439 | if (sym_is_choice(sym) && !parent->prompt) | |
440 | menu_warn(parent, "choice must have a prompt"); | |
441 | ||
442 | /* Check properties connected to this symbol */ | |
443 | sym_check_prop(sym); | |
444 | sym->flags |= SYMBOL_WARNED; | |
445 | } | |
446 | ||
447 | if (sym && !sym_is_optional(sym) && parent->prompt) { | |
448 | sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr, | |
449 | expr_alloc_and(parent->prompt->visible.expr, | |
450 | expr_alloc_symbol(&symbol_mod))); | |
451 | } | |
452 | } | |
453 | ||
454 | bool menu_has_prompt(struct menu *menu) | |
455 | { | |
456 | if (!menu->prompt) | |
457 | return false; | |
458 | return true; | |
459 | } | |
460 | ||
461 | /* | |
462 | * Determine if a menu is empty. | |
463 | * A menu is considered empty if it contains no or only | |
464 | * invisible entries. | |
465 | */ | |
466 | bool menu_is_empty(struct menu *menu) | |
467 | { | |
468 | struct menu *child; | |
469 | ||
470 | for (child = menu->list; child; child = child->next) { | |
471 | if (menu_is_visible(child)) | |
472 | return(false); | |
473 | } | |
474 | return(true); | |
475 | } | |
476 | ||
477 | bool menu_is_visible(struct menu *menu) | |
478 | { | |
479 | struct menu *child; | |
480 | struct symbol *sym; | |
481 | tristate visible; | |
482 | ||
483 | if (!menu->prompt) | |
484 | return false; | |
485 | ||
486 | if (menu->visibility) { | |
487 | if (expr_calc_value(menu->visibility) == no) | |
bf7ab1e7 | 488 | return false; |
0a9064fb MY |
489 | } |
490 | ||
491 | sym = menu->sym; | |
492 | if (sym) { | |
493 | sym_calc_value(sym); | |
494 | visible = menu->prompt->visible.tri; | |
495 | } else | |
496 | visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr); | |
497 | ||
498 | if (visible != no) | |
499 | return true; | |
500 | ||
501 | if (!sym || sym_get_tristate_value(menu->sym) == no) | |
502 | return false; | |
503 | ||
504 | for (child = menu->list; child; child = child->next) { | |
505 | if (menu_is_visible(child)) { | |
506 | if (sym) | |
507 | sym->flags |= SYMBOL_DEF_USER; | |
508 | return true; | |
509 | } | |
510 | } | |
511 | ||
512 | return false; | |
513 | } | |
514 | ||
515 | const char *menu_get_prompt(struct menu *menu) | |
516 | { | |
517 | if (menu->prompt) | |
518 | return menu->prompt->text; | |
519 | else if (menu->sym) | |
520 | return menu->sym->name; | |
521 | return NULL; | |
522 | } | |
523 | ||
524 | struct menu *menu_get_root_menu(struct menu *menu) | |
525 | { | |
526 | return &rootmenu; | |
527 | } | |
528 | ||
529 | struct menu *menu_get_parent_menu(struct menu *menu) | |
530 | { | |
531 | enum prop_type type; | |
532 | ||
533 | for (; menu != &rootmenu; menu = menu->parent) { | |
534 | type = menu->prompt ? menu->prompt->type : 0; | |
535 | if (type == P_MENU) | |
536 | break; | |
537 | } | |
538 | return menu; | |
539 | } | |
540 | ||
541 | bool menu_has_help(struct menu *menu) | |
542 | { | |
543 | return menu->help != NULL; | |
544 | } | |
545 | ||
546 | const char *menu_get_help(struct menu *menu) | |
547 | { | |
548 | if (menu->help) | |
549 | return menu->help; | |
550 | else | |
551 | return ""; | |
552 | } | |
553 | ||
554 | static void get_prompt_str(struct gstr *r, struct property *prop, | |
555 | struct list_head *head) | |
556 | { | |
557 | int i, j; | |
558 | struct menu *submenu[8], *menu, *location = NULL; | |
60cd06e1 | 559 | struct jump_key *jump = NULL; |
0a9064fb MY |
560 | |
561 | str_printf(r, _("Prompt: %s\n"), _(prop->text)); | |
562 | menu = prop->menu->parent; | |
563 | for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) { | |
564 | bool accessible = menu_is_visible(menu); | |
565 | ||
566 | submenu[i++] = menu; | |
567 | if (location == NULL && accessible) | |
568 | location = menu; | |
569 | } | |
570 | if (head && location) { | |
571 | jump = xmalloc(sizeof(struct jump_key)); | |
572 | ||
573 | if (menu_is_visible(prop->menu)) { | |
574 | /* | |
575 | * There is not enough room to put the hint at the | |
576 | * beginning of the "Prompt" line. Put the hint on the | |
577 | * last "Location" line even when it would belong on | |
578 | * the former. | |
579 | */ | |
580 | jump->target = prop->menu; | |
581 | } else | |
582 | jump->target = location; | |
583 | ||
584 | if (list_empty(head)) | |
585 | jump->index = 0; | |
586 | else | |
587 | jump->index = list_entry(head->prev, struct jump_key, | |
588 | entries)->index + 1; | |
589 | ||
590 | list_add_tail(&jump->entries, head); | |
591 | } | |
592 | ||
593 | if (i > 0) { | |
594 | str_printf(r, _(" Location:\n")); | |
595 | for (j = 4; --i >= 0; j += 2) { | |
596 | menu = submenu[i]; | |
60cd06e1 | 597 | if (jump && menu == location) |
0a9064fb MY |
598 | jump->offset = strlen(r->s); |
599 | str_printf(r, "%*c-> %s", j, ' ', | |
600 | _(menu_get_prompt(menu))); | |
601 | if (menu->sym) { | |
602 | str_printf(r, " (%s [=%s])", menu->sym->name ? | |
603 | menu->sym->name : _("<choice>"), | |
604 | sym_get_string_value(menu->sym)); | |
605 | } | |
606 | str_append(r, "\n"); | |
607 | } | |
608 | } | |
609 | } | |
610 | ||
611 | /* | |
612 | * get property of type P_SYMBOL | |
613 | */ | |
614 | static struct property *get_symbol_prop(struct symbol *sym) | |
615 | { | |
616 | struct property *prop = NULL; | |
617 | ||
618 | for_all_properties(sym, prop, P_SYMBOL) | |
619 | break; | |
620 | return prop; | |
621 | } | |
622 | ||
bf7ab1e7 MY |
623 | static void get_symbol_props_str(struct gstr *r, struct symbol *sym, |
624 | enum prop_type tok, const char *prefix) | |
625 | { | |
626 | bool hit = false; | |
627 | struct property *prop; | |
628 | ||
629 | for_all_properties(sym, prop, tok) { | |
630 | if (!hit) { | |
631 | str_append(r, prefix); | |
632 | hit = true; | |
633 | } else | |
634 | str_printf(r, " && "); | |
635 | expr_gstr_print(prop->expr, r); | |
636 | } | |
637 | if (hit) | |
638 | str_append(r, "\n"); | |
639 | } | |
640 | ||
0a9064fb MY |
641 | /* |
642 | * head is optional and may be NULL | |
643 | */ | |
9b5f0b1d | 644 | static void get_symbol_str(struct gstr *r, struct symbol *sym, |
0a9064fb MY |
645 | struct list_head *head) |
646 | { | |
0a9064fb MY |
647 | struct property *prop; |
648 | ||
649 | if (sym && sym->name) { | |
650 | str_printf(r, "Symbol: %s [=%s]\n", sym->name, | |
651 | sym_get_string_value(sym)); | |
652 | str_printf(r, "Type : %s\n", sym_type_name(sym->type)); | |
653 | if (sym->type == S_INT || sym->type == S_HEX) { | |
654 | prop = sym_get_range_prop(sym); | |
655 | if (prop) { | |
656 | str_printf(r, "Range : "); | |
657 | expr_gstr_print(prop->expr, r); | |
658 | str_append(r, "\n"); | |
659 | } | |
660 | } | |
661 | } | |
662 | for_all_prompts(sym, prop) | |
663 | get_prompt_str(r, prop, head); | |
664 | ||
665 | prop = get_symbol_prop(sym); | |
666 | if (prop) { | |
667 | str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name, | |
668 | prop->menu->lineno); | |
669 | if (!expr_is_yes(prop->visible.expr)) { | |
670 | str_append(r, _(" Depends on: ")); | |
671 | expr_gstr_print(prop->visible.expr, r); | |
672 | str_append(r, "\n"); | |
673 | } | |
674 | } | |
675 | ||
bf7ab1e7 | 676 | get_symbol_props_str(r, sym, P_SELECT, _(" Selects: ")); |
0a9064fb MY |
677 | if (sym->rev_dep.expr) { |
678 | str_append(r, _(" Selected by: ")); | |
679 | expr_gstr_print(sym->rev_dep.expr, r); | |
680 | str_append(r, "\n"); | |
681 | } | |
bf7ab1e7 MY |
682 | |
683 | get_symbol_props_str(r, sym, P_IMPLY, _(" Implies: ")); | |
684 | if (sym->implied.expr) { | |
685 | str_append(r, _(" Implied by: ")); | |
686 | expr_gstr_print(sym->implied.expr, r); | |
687 | str_append(r, "\n"); | |
688 | } | |
689 | ||
0a9064fb MY |
690 | str_append(r, "\n\n"); |
691 | } | |
692 | ||
693 | struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head) | |
694 | { | |
695 | struct symbol *sym; | |
696 | struct gstr res = str_new(); | |
697 | int i; | |
698 | ||
699 | for (i = 0; sym_arr && (sym = sym_arr[i]); i++) | |
700 | get_symbol_str(&res, sym, head); | |
701 | if (!i) | |
702 | str_append(&res, _("No matches found.\n")); | |
703 | return res; | |
704 | } | |
705 | ||
706 | ||
707 | void menu_get_ext_help(struct menu *menu, struct gstr *help) | |
708 | { | |
709 | struct symbol *sym = menu->sym; | |
710 | const char *help_text = nohelp_text; | |
711 | ||
712 | if (menu_has_help(menu)) { | |
713 | if (sym->name) | |
714 | str_printf(help, "%s%s:\n\n", CONFIG_, sym->name); | |
715 | help_text = menu_get_help(menu); | |
716 | } | |
717 | str_printf(help, "%s\n", _(help_text)); | |
718 | if (sym) | |
719 | get_symbol_str(help, sym, NULL); | |
720 | } |