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)
159 static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
161 return sym2->type == S_INT || sym2->type == S_HEX ||
162 (sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
165 void sym_check_prop(struct symbol *sym)
167 struct property *prop;
169 for (prop = sym->prop; prop; prop = prop->next) {
170 switch (prop->type) {
172 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
173 prop->expr->type != E_SYMBOL)
175 "default for config symbol '%'"
176 " must be a single symbol", sym->name);
179 sym2 = prop_get_symbol(prop);
180 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
182 "config symbol '%s' uses select, but is "
183 "not boolean or tristate", sym->name);
184 else if (sym2->type == S_UNKNOWN)
186 "'select' used by config symbol '%s' "
187 "refer to undefined symbol '%s'",
188 sym->name, sym2->name);
189 else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE)
191 "'%s' has wrong type. 'select' only "
192 "accept arguments of boolean and "
193 "tristate type", sym2->name);
196 if (sym->type != S_INT && sym->type != S_HEX)
197 prop_warn(prop, "range is only allowed "
198 "for int or hex symbols");
199 if (!menu_range_valid_sym(sym, prop->expr->left.sym) ||
200 !menu_range_valid_sym(sym, prop->expr->right.sym))
201 prop_warn(prop, "range is invalid");
209 void menu_finalize(struct menu *parent)
211 struct menu *menu, *last_menu;
213 struct property *prop;
214 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
218 if (sym && sym_is_choice(sym)) {
219 /* find the first choice value and find out choice type */
220 for (menu = parent->list; menu; menu = menu->next) {
222 current_entry = parent;
223 menu_set_type(menu->sym->type);
224 current_entry = menu;
225 menu_set_type(sym->type);
229 parentdep = expr_alloc_symbol(sym);
230 } else if (parent->prompt)
231 parentdep = parent->prompt->visible.expr;
233 parentdep = parent->dep;
235 for (menu = parent->list; menu; menu = menu->next) {
236 basedep = expr_transform(menu->dep);
237 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
238 basedep = expr_eliminate_dups(basedep);
241 prop = menu->sym->prop;
244 for (; prop; prop = prop->next) {
245 if (prop->menu != menu)
247 dep = expr_transform(prop->visible.expr);
248 dep = expr_alloc_and(expr_copy(basedep), dep);
249 dep = expr_eliminate_dups(dep);
250 if (menu->sym && menu->sym->type != S_TRISTATE)
251 dep = expr_trans_bool(dep);
252 prop->visible.expr = dep;
253 if (prop->type == P_SELECT) {
254 struct symbol *es = prop_get_symbol(prop);
255 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
256 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
260 for (menu = parent->list; menu; menu = menu->next)
263 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
264 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
265 basedep = expr_eliminate_dups(expr_transform(basedep));
267 for (menu = parent->next; menu; menu = menu->next) {
268 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
269 if (!expr_contains_symbol(dep, sym))
271 if (expr_depends_symbol(dep, sym))
273 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
274 dep = expr_eliminate_dups(expr_transform(dep));
275 dep2 = expr_copy(basedep);
276 expr_eliminate_eq(&dep, &dep2);
278 if (!expr_is_yes(dep2)) {
285 menu->parent = parent;
289 parent->list = parent->next;
290 parent->next = last_menu->next;
291 last_menu->next = NULL;
294 for (menu = parent->list; menu; menu = menu->next) {
295 if (sym && sym_is_choice(sym) && menu->sym) {
296 menu->sym->flags |= SYMBOL_CHOICEVAL;
298 menu_warn(menu, "choice value must have a prompt");
299 for (prop = menu->sym->prop; prop; prop = prop->next) {
300 if (prop->type == P_PROMPT && prop->menu != menu) {
301 prop_warn(prop, "choice values "
302 "currently only support a "
305 if (prop->type == P_DEFAULT)
306 prop_warn(prop, "defaults for choice "
307 "values not supported");
309 current_entry = menu;
310 menu_set_type(sym->type);
311 menu_add_symbol(P_CHOICE, sym, NULL);
312 prop = sym_get_choice_prop(sym);
313 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
315 *ep = expr_alloc_one(E_CHOICE, NULL);
316 (*ep)->right.sym = menu->sym;
318 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
319 for (last_menu = menu->list; ; last_menu = last_menu->next) {
320 last_menu->parent = parent;
321 if (!last_menu->next)
324 last_menu->next = menu->next;
325 menu->next = menu->list;
330 if (sym && !(sym->flags & SYMBOL_WARNED)) {
331 if (sym->type == S_UNKNOWN)
332 menu_warn(parent, "config symbol defined "
335 if (sym_is_choice(sym) && !parent->prompt)
336 menu_warn(parent, "choice must have a prompt\n");
338 /* Check properties connected to this symbol */
340 sym->flags |= SYMBOL_WARNED;
343 if (sym && !sym_is_optional(sym) && parent->prompt) {
344 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
345 expr_alloc_and(parent->prompt->visible.expr,
346 expr_alloc_symbol(&symbol_mod)));
350 bool menu_is_visible(struct menu *menu)
361 visible = menu->prompt->visible.tri;
363 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
367 if (!sym || sym_get_tristate_value(menu->sym) == no)
370 for (child = menu->list; child; child = child->next)
371 if (menu_is_visible(child))
376 const char *menu_get_prompt(struct menu *menu)
379 return _(menu->prompt->text);
381 return _(menu->sym->name);
385 struct menu *menu_get_root_menu(struct menu *menu)
390 struct menu *menu_get_parent_menu(struct menu *menu)
394 for (; menu != &rootmenu; menu = menu->parent) {
395 type = menu->prompt ? menu->prompt->type : 0;