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 static 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'\n",
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;
129 prop->visible.expr = menu_check_dep(dep);
132 if (current_entry->prompt)
133 menu_warn(current_entry, "prompt redefined\n");
134 current_entry->prompt = prop;
140 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
142 return menu_add_prop(type, prompt, NULL, dep);
145 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
147 menu_add_prop(type, NULL, expr, dep);
150 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
152 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
155 void menu_add_option(int token, char *arg)
157 struct property *prop;
161 prop = prop_alloc(P_DEFAULT, modules_sym);
162 prop->expr = expr_alloc_symbol(current_entry->sym);
164 case T_OPT_DEFCONFIG_LIST:
165 if (!sym_defconfig_list)
166 sym_defconfig_list = current_entry->sym;
167 else if (sym_defconfig_list != current_entry->sym)
168 zconf_error("trying to redefine defconfig symbol");
173 static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
175 return sym2->type == S_INT || sym2->type == S_HEX ||
176 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
179 void sym_check_prop(struct symbol *sym)
181 struct property *prop;
183 for (prop = sym->prop; prop; prop = prop->next) {
184 switch (prop->type) {
186 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
187 prop->expr->type != E_SYMBOL)
189 "default for config symbol '%'"
190 " must be a single symbol", sym->name);
193 sym2 = prop_get_symbol(prop);
194 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
196 "config symbol '%s' uses select, but is "
197 "not boolean or tristate", sym->name);
198 else if (sym2->type == S_UNKNOWN)
200 "'select' used by config symbol '%s' "
201 "refer to undefined symbol '%s'",
202 sym->name, sym2->name);
203 else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE)
205 "'%s' has wrong type. 'select' only "
206 "accept arguments of boolean and "
207 "tristate type", sym2->name);
210 if (sym->type != S_INT && sym->type != S_HEX)
211 prop_warn(prop, "range is only allowed "
212 "for int or hex symbols");
213 if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
214 !menu_range_valid_sym(sym, prop->expr->right.sym))
215 prop_warn(prop, "range is invalid");
223 void menu_finalize(struct menu *parent)
225 struct menu *menu, *last_menu;
227 struct property *prop;
228 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
232 if (sym && sym_is_choice(sym)) {
233 /* find the first choice value and find out choice type */
234 for (menu = parent->list; menu; menu = menu->next) {
236 current_entry = parent;
237 menu_set_type(menu->sym->type);
238 current_entry = menu;
239 menu_set_type(sym->type);
243 parentdep = expr_alloc_symbol(sym);
244 } else if (parent->prompt)
245 parentdep = parent->prompt->visible.expr;
247 parentdep = parent->dep;
249 for (menu = parent->list; menu; menu = menu->next) {
250 basedep = expr_transform(menu->dep);
251 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
252 basedep = expr_eliminate_dups(basedep);
255 prop = menu->sym->prop;
258 for (; prop; prop = prop->next) {
259 if (prop->menu != menu)
261 dep = expr_transform(prop->visible.expr);
262 dep = expr_alloc_and(expr_copy(basedep), dep);
263 dep = expr_eliminate_dups(dep);
264 if (menu->sym && menu->sym->type != S_TRISTATE)
265 dep = expr_trans_bool(dep);
266 prop->visible.expr = dep;
267 if (prop->type == P_SELECT) {
268 struct symbol *es = prop_get_symbol(prop);
269 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
270 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
274 for (menu = parent->list; menu; menu = menu->next)
277 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
278 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
279 basedep = expr_eliminate_dups(expr_transform(basedep));
281 for (menu = parent->next; menu; menu = menu->next) {
282 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
283 if (!expr_contains_symbol(dep, sym))
285 if (expr_depends_symbol(dep, sym))
287 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
288 dep = expr_eliminate_dups(expr_transform(dep));
289 dep2 = expr_copy(basedep);
290 expr_eliminate_eq(&dep, &dep2);
292 if (!expr_is_yes(dep2)) {
299 menu->parent = parent;
303 parent->list = parent->next;
304 parent->next = last_menu->next;
305 last_menu->next = NULL;
308 for (menu = parent->list; menu; menu = menu->next) {
309 if (sym && sym_is_choice(sym) && menu->sym) {
310 menu->sym->flags |= SYMBOL_CHOICEVAL;
312 menu_warn(menu, "choice value must have a prompt");
313 for (prop = menu->sym->prop; prop; prop = prop->next) {
314 if (prop->type == P_PROMPT && prop->menu != menu) {
315 prop_warn(prop, "choice values "
316 "currently only support a "
319 if (prop->type == P_DEFAULT)
320 prop_warn(prop, "defaults for choice "
321 "values not supported");
323 current_entry = menu;
324 menu_set_type(sym->type);
325 menu_add_symbol(P_CHOICE, sym, NULL);
326 prop = sym_get_choice_prop(sym);
327 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
329 *ep = expr_alloc_one(E_CHOICE, NULL);
330 (*ep)->right.sym = menu->sym;
332 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
333 for (last_menu = menu->list; ; last_menu = last_menu->next) {
334 last_menu->parent = parent;
335 if (!last_menu->next)
338 last_menu->next = menu->next;
339 menu->next = menu->list;
344 if (sym && !(sym->flags & SYMBOL_WARNED)) {
345 if (sym->type == S_UNKNOWN)
346 menu_warn(parent, "config symbol defined "
349 if (sym_is_choice(sym) && !parent->prompt)
350 menu_warn(parent, "choice must have a prompt\n");
352 /* Check properties connected to this symbol */
354 sym->flags |= SYMBOL_WARNED;
357 if (sym && !sym_is_optional(sym) && parent->prompt) {
358 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
359 expr_alloc_and(parent->prompt->visible.expr,
360 expr_alloc_symbol(&symbol_mod)));
364 bool menu_is_visible(struct menu *menu)
375 visible = menu->prompt->visible.tri;
377 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
381 if (!sym || sym_get_tristate_value(menu->sym) == no)
384 for (child = menu->list; child; child = child->next)
385 if (menu_is_visible(child))
390 const char *menu_get_prompt(struct menu *menu)
393 return _(menu->prompt->text);
395 return _(menu->sym->name);
399 struct menu *menu_get_root_menu(struct menu *menu)
404 struct menu *menu_get_parent_menu(struct menu *menu)
408 for (; menu != &rootmenu; menu = menu->parent) {
409 type = menu->prompt ? menu->prompt->type : 0;