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 void menu_add_menu(void)
66 current_menu = current_entry;
67 last_entry_ptr = ¤t_entry->list;
70 void menu_end_menu(void)
72 last_entry_ptr = ¤t_menu->next;
73 current_menu = current_menu->parent;
76 struct expr *menu_check_dep(struct expr *e)
83 e->left.expr = menu_check_dep(e->left.expr);
87 e->left.expr = menu_check_dep(e->left.expr);
88 e->right.expr = menu_check_dep(e->right.expr);
91 /* change 'm' into 'm' && MODULES */
92 if (e->left.sym == &symbol_mod)
93 return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
101 void menu_add_dep(struct expr *dep)
103 current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
106 void menu_set_type(int type)
108 struct symbol *sym = current_entry->sym;
110 if (sym->type == type)
112 if (sym->type == S_UNKNOWN) {
116 menu_warn(current_entry, "type of '%s' redefined from '%s' to '%s'\n",
117 sym->name ? sym->name : "<choice>",
118 sym_type_name(sym->type), sym_type_name(type));
121 struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
123 struct property *prop = prop_alloc(type, current_entry->sym);
125 prop->menu = current_entry;
128 prop->visible.expr = menu_check_dep(dep);
131 if (current_entry->prompt)
132 menu_warn(current_entry, "prompt redefined\n");
133 current_entry->prompt = prop;
139 struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
141 return menu_add_prop(type, prompt, NULL, dep);
144 void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
146 menu_add_prop(type, NULL, expr, dep);
149 void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
151 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
154 static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
156 return sym2->type == S_INT || sym2->type == S_HEX ||
157 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
160 void sym_check_prop(struct symbol *sym)
162 struct property *prop;
164 for (prop = sym->prop; prop; prop = prop->next) {
165 switch (prop->type) {
167 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
168 prop->expr->type != E_SYMBOL)
170 "default for config symbol '%'"
171 " must be a single symbol", sym->name);
174 sym2 = prop_get_symbol(prop);
175 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
177 "config symbol '%s' uses select, but is "
178 "not boolean or tristate", sym->name);
179 else if (sym2->type == S_UNKNOWN)
181 "'select' used by config symbol '%s' "
182 "refer to undefined symbol '%s'",
183 sym->name, sym2->name);
184 else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE)
186 "'%s' has wrong type. 'select' only "
187 "accept arguments of boolean and "
188 "tristate type", sym2->name);
191 if (sym->type != S_INT && sym->type != S_HEX)
192 prop_warn(prop, "range is only allowed "
193 "for int or hex symbols");
194 if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
195 !menu_range_valid_sym(sym, prop->expr->right.sym))
196 prop_warn(prop, "range is invalid");
204 void menu_finalize(struct menu *parent)
206 struct menu *menu, *last_menu;
208 struct property *prop;
209 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
213 if (sym && sym_is_choice(sym)) {
214 /* find the first choice value and find out choice type */
215 for (menu = parent->list; menu; menu = menu->next) {
217 current_entry = parent;
218 menu_set_type(menu->sym->type);
219 current_entry = menu;
220 menu_set_type(sym->type);
224 parentdep = expr_alloc_symbol(sym);
225 } else if (parent->prompt)
226 parentdep = parent->prompt->visible.expr;
228 parentdep = parent->dep;
230 for (menu = parent->list; menu; menu = menu->next) {
231 basedep = expr_transform(menu->dep);
232 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
233 basedep = expr_eliminate_dups(basedep);
236 prop = menu->sym->prop;
239 for (; prop; prop = prop->next) {
240 if (prop->menu != menu)
242 dep = expr_transform(prop->visible.expr);
243 dep = expr_alloc_and(expr_copy(basedep), dep);
244 dep = expr_eliminate_dups(dep);
245 if (menu->sym && menu->sym->type != S_TRISTATE)
246 dep = expr_trans_bool(dep);
247 prop->visible.expr = dep;
248 if (prop->type == P_SELECT) {
249 struct symbol *es = prop_get_symbol(prop);
250 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
251 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
255 for (menu = parent->list; menu; menu = menu->next)
258 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
259 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
260 basedep = expr_eliminate_dups(expr_transform(basedep));
262 for (menu = parent->next; menu; menu = menu->next) {
263 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
264 if (!expr_contains_symbol(dep, sym))
266 if (expr_depends_symbol(dep, sym))
268 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
269 dep = expr_eliminate_dups(expr_transform(dep));
270 dep2 = expr_copy(basedep);
271 expr_eliminate_eq(&dep, &dep2);
273 if (!expr_is_yes(dep2)) {
280 menu->parent = parent;
284 parent->list = parent->next;
285 parent->next = last_menu->next;
286 last_menu->next = NULL;
289 for (menu = parent->list; menu; menu = menu->next) {
290 if (sym && sym_is_choice(sym) && menu->sym) {
291 menu->sym->flags |= SYMBOL_CHOICEVAL;
293 menu_warn(menu, "choice value must have a prompt");
294 for (prop = menu->sym->prop; prop; prop = prop->next) {
295 if (prop->type == P_PROMPT && prop->menu != menu) {
296 prop_warn(prop, "choice values "
297 "currently only support a "
300 if (prop->type == P_DEFAULT)
301 prop_warn(prop, "defaults for choice "
302 "values not supported");
304 current_entry = menu;
305 menu_set_type(sym->type);
306 menu_add_symbol(P_CHOICE, sym, NULL);
307 prop = sym_get_choice_prop(sym);
308 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
310 *ep = expr_alloc_one(E_CHOICE, NULL);
311 (*ep)->right.sym = menu->sym;
313 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
314 for (last_menu = menu->list; ; last_menu = last_menu->next) {
315 last_menu->parent = parent;
316 if (!last_menu->next)
319 last_menu->next = menu->next;
320 menu->next = menu->list;
325 if (sym && !(sym->flags & SYMBOL_WARNED)) {
326 if (sym->type == S_UNKNOWN)
327 menu_warn(parent, "config symbol defined "
330 if (sym_is_choice(sym) && !parent->prompt)
331 menu_warn(parent, "choice must have a prompt\n");
333 /* Check properties connected to this symbol */
335 sym->flags |= SYMBOL_WARNED;
338 if (sym && !sym_is_optional(sym) && parent->prompt) {
339 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
340 expr_alloc_and(parent->prompt->visible.expr,
341 expr_alloc_symbol(&symbol_mod)));
345 bool menu_is_visible(struct menu *menu)
356 visible = menu->prompt->visible.tri;
358 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
362 if (!sym || sym_get_tristate_value(menu->sym) == no)
365 for (child = menu->list; child; child = child->next)
366 if (menu_is_visible(child))
371 const char *menu_get_prompt(struct menu *menu)
374 return _(menu->prompt->text);
376 return _(menu->sym->name);
380 struct menu *menu_get_root_menu(struct menu *menu)
385 struct menu *menu_get_parent_menu(struct menu *menu)
389 for (; menu != &rootmenu; menu = menu->parent) {
390 type = menu->prompt ? menu->prompt->type : 0;