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
13 static struct menu **last_entry_ptr;
15 struct file *file_list;
16 struct file *current_file;
18 void menu_warn(struct menu *menu, const char *fmt, ...)
22 fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
23 vfprintf(stderr, fmt, ap);
24 fprintf(stderr, "\n");
28 static void prop_warn(struct property *prop, const char *fmt, ...)
32 fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
33 vfprintf(stderr, fmt, ap);
34 fprintf(stderr, "\n");
40 current_entry = current_menu = &rootmenu;
41 last_entry_ptr = &rootmenu.list;
44 void menu_add_entry(struct symbol *sym)
48 menu = malloc(sizeof(*menu));
49 memset(menu, 0, sizeof(*menu));
51 menu->parent = current_menu;
52 menu->file = current_file;
53 menu->lineno = zconf_lineno();
55 *last_entry_ptr = menu;
56 last_entry_ptr = &menu->next;
60 void menu_end_entry(void)
64 struct menu *menu_add_menu(void)
67 last_entry_ptr = ¤t_entry->list;
68 return current_menu = current_entry;
71 void menu_end_menu(void)
73 last_entry_ptr = ¤t_menu->next;
74 current_menu = current_menu->parent;
77 struct expr *menu_check_dep(struct expr *e)
84 e->left.expr = menu_check_dep(e->left.expr);
88 e->left.expr = menu_check_dep(e->left.expr);
89 e->right.expr = menu_check_dep(e->right.expr);
92 /* change 'm' into 'm' && MODULES */
93 if (e->left.sym == &symbol_mod)
94 return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
102 void menu_add_dep(struct expr *dep)
104 current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
107 void menu_set_type(int type)
109 struct symbol *sym = current_entry->sym;
111 if (sym->type == type)
113 if (sym->type == S_UNKNOWN) {
117 menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'",
118 sym->name ? sym->name : "<choice>",
119 sym_type_name(sym->type), sym_type_name(type));
122 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
124 struct property *prop = prop_alloc(type, current_entry->sym);
126 prop->menu = current_entry;
128 prop->visible.expr = menu_check_dep(dep);
131 if (isspace(*prompt)) {
132 prop_warn(prop, "leading whitespace ignored");
133 while (isspace(*prompt))
136 if (current_entry->prompt)
137 prop_warn(prop, "prompt redefined");
138 current_entry->prompt = prop;
145 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
147 return menu_add_prop(type, prompt, NULL, dep);
150 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
152 menu_add_prop(type, NULL, expr, dep);
155 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
157 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
160 void menu_add_option(int token, char *arg)
162 struct property *prop;
166 prop = prop_alloc(P_DEFAULT, modules_sym);
167 prop->expr = expr_alloc_symbol(current_entry->sym);
169 case T_OPT_DEFCONFIG_LIST:
170 if (!sym_defconfig_list)
171 sym_defconfig_list = current_entry->sym;
172 else if (sym_defconfig_list != current_entry->sym)
173 zconf_error("trying to redefine defconfig symbol");
181 static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
183 return sym2->type == S_INT || sym2->type == S_HEX ||
184 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
187 void sym_check_prop(struct symbol *sym)
189 struct property *prop;
191 for (prop = sym->prop; prop; prop = prop->next) {
192 switch (prop->type) {
194 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
195 prop->expr->type != E_SYMBOL)
197 "default for config symbol '%'"
198 " must be a single symbol", sym->name);
201 sym2 = prop_get_symbol(prop);
202 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
204 "config symbol '%s' uses select, but is "
205 "not boolean or tristate", sym->name);
206 else if (sym2->type != S_UNKNOWN &&
207 sym2->type != S_BOOLEAN &&
208 sym2->type != S_TRISTATE)
210 "'%s' has wrong type. 'select' only "
211 "accept arguments of boolean and "
212 "tristate type", sym2->name);
215 if (sym->type != S_INT && sym->type != S_HEX)
216 prop_warn(prop, "range is only allowed "
217 "for int or hex symbols");
218 if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
219 !menu_range_valid_sym(sym, prop->expr->right.sym))
220 prop_warn(prop, "range is invalid");
228 void menu_finalize(struct menu *parent)
230 struct menu *menu, *last_menu;
232 struct property *prop;
233 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
237 if (sym && sym_is_choice(sym)) {
238 if (sym->type == S_UNKNOWN) {
239 /* find the first choice value to find out choice type */
240 current_entry = parent;
241 for (menu = parent->list; menu; menu = menu->next) {
242 if (menu->sym && menu->sym->type != S_UNKNOWN) {
243 menu_set_type(menu->sym->type);
248 /* set the type of the remaining choice values */
249 for (menu = parent->list; menu; menu = menu->next) {
250 current_entry = menu;
251 if (menu->sym && menu->sym->type == S_UNKNOWN)
252 menu_set_type(sym->type);
254 parentdep = expr_alloc_symbol(sym);
255 } else if (parent->prompt)
256 parentdep = parent->prompt->visible.expr;
258 parentdep = parent->dep;
260 for (menu = parent->list; menu; menu = menu->next) {
261 basedep = expr_transform(menu->dep);
262 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
263 basedep = expr_eliminate_dups(basedep);
266 prop = menu->sym->prop;
269 for (; prop; prop = prop->next) {
270 if (prop->menu != menu)
272 dep = expr_transform(prop->visible.expr);
273 dep = expr_alloc_and(expr_copy(basedep), dep);
274 dep = expr_eliminate_dups(dep);
275 if (menu->sym && menu->sym->type != S_TRISTATE)
276 dep = expr_trans_bool(dep);
277 prop->visible.expr = dep;
278 if (prop->type == P_SELECT) {
279 struct symbol *es = prop_get_symbol(prop);
280 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
281 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
285 for (menu = parent->list; menu; menu = menu->next)
288 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
289 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
290 basedep = expr_eliminate_dups(expr_transform(basedep));
292 for (menu = parent->next; menu; menu = menu->next) {
293 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
294 if (!expr_contains_symbol(dep, sym))
296 if (expr_depends_symbol(dep, sym))
298 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
299 dep = expr_eliminate_dups(expr_transform(dep));
300 dep2 = expr_copy(basedep);
301 expr_eliminate_eq(&dep, &dep2);
303 if (!expr_is_yes(dep2)) {
310 menu->parent = parent;
314 parent->list = parent->next;
315 parent->next = last_menu->next;
316 last_menu->next = NULL;
319 for (menu = parent->list; menu; menu = menu->next) {
320 if (sym && sym_is_choice(sym) &&
321 menu->sym && !sym_is_choice_value(menu->sym)) {
322 current_entry = menu;
323 menu->sym->flags |= SYMBOL_CHOICEVAL;
325 menu_warn(menu, "choice value must have a prompt");
326 for (prop = menu->sym->prop; prop; prop = prop->next) {
327 if (prop->type == P_DEFAULT)
328 prop_warn(prop, "defaults for choice "
329 "values not supported");
330 if (prop->menu == menu)
332 if (prop->type == P_PROMPT &&
333 prop->menu->parent->sym != sym)
334 prop_warn(prop, "choice value used outside its choice group");
336 /* Non-tristate choice values of tristate choices must
337 * depend on the choice being set to Y. The choice
338 * values' dependencies were propagated to their
339 * properties above, so the change here must be re-
342 if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
343 basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
344 menu->dep = expr_alloc_and(basedep, menu->dep);
345 for (prop = menu->sym->prop; prop; prop = prop->next) {
346 if (prop->menu != menu)
348 prop->visible.expr = expr_alloc_and(expr_copy(basedep),
352 menu_add_symbol(P_CHOICE, sym, NULL);
353 prop = sym_get_choice_prop(sym);
354 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
356 *ep = expr_alloc_one(E_LIST, NULL);
357 (*ep)->right.sym = menu->sym;
359 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
360 for (last_menu = menu->list; ; last_menu = last_menu->next) {
361 last_menu->parent = parent;
362 if (!last_menu->next)
365 last_menu->next = menu->next;
366 menu->next = menu->list;
371 if (sym && !(sym->flags & SYMBOL_WARNED)) {
372 if (sym->type == S_UNKNOWN)
373 menu_warn(parent, "config symbol defined without type");
375 if (sym_is_choice(sym) && !parent->prompt)
376 menu_warn(parent, "choice must have a prompt");
378 /* Check properties connected to this symbol */
380 sym->flags |= SYMBOL_WARNED;
383 if (sym && !sym_is_optional(sym) && parent->prompt) {
384 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
385 expr_alloc_and(parent->prompt->visible.expr,
386 expr_alloc_symbol(&symbol_mod)));
390 bool menu_is_visible(struct menu *menu)
401 visible = menu->prompt->visible.tri;
403 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
407 if (!sym || sym_get_tristate_value(menu->sym) == no)
410 for (child = menu->list; child; child = child->next)
411 if (menu_is_visible(child))
416 const char *menu_get_prompt(struct menu *menu)
419 return menu->prompt->text;
421 return menu->sym->name;
425 struct menu *menu_get_root_menu(struct menu *menu)
430 struct menu *menu_get_parent_menu(struct menu *menu)
434 for (; menu != &rootmenu; menu = menu->parent) {
435 type = menu->prompt ? menu->prompt->type : 0;
442 bool menu_has_help(struct menu *menu)
444 return menu->help != NULL;
447 const char *menu_get_help(struct menu *menu)