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 struct menu *current_menu, *current_entry;
14 static struct menu **last_entry_ptr;
16 struct file *file_list;
17 struct file *current_file;
19 static void menu_warn(struct menu *menu, const char *fmt, ...)
23 fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
24 vfprintf(stderr, fmt, ap);
25 fprintf(stderr, "\n");
29 static void prop_warn(struct property *prop, const char *fmt, ...)
33 fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
34 vfprintf(stderr, fmt, ap);
35 fprintf(stderr, "\n");
41 current_entry = current_menu = &rootmenu;
42 last_entry_ptr = &rootmenu.list;
45 void menu_add_entry(struct symbol *sym)
49 menu = malloc(sizeof(*menu));
50 memset(menu, 0, sizeof(*menu));
52 menu->parent = current_menu;
53 menu->file = current_file;
54 menu->lineno = zconf_lineno();
56 *last_entry_ptr = menu;
57 last_entry_ptr = &menu->next;
61 void menu_end_entry(void)
65 void menu_add_menu(void)
67 current_menu = current_entry;
68 last_entry_ptr = ¤t_entry->list;
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 void menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
142 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 sym_check_prop(struct symbol *sym)
157 struct property *prop;
159 for (prop = sym->prop; prop; prop = prop->next) {
160 switch (prop->type) {
162 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
163 prop->expr->type != E_SYMBOL)
165 "default for config symbol '%'"
166 " must be a single symbol", sym->name);
169 sym2 = prop_get_symbol(prop);
170 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
172 "config symbol '%s' uses select, but is "
173 "not boolean or tristate", sym->name);
174 else if (sym2->type == S_UNKNOWN)
176 "'select' used by config symbol '%s' "
177 "refer to undefined symbol '%s'",
178 sym->name, sym2->name);
179 else if (sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE)
181 "'%s' has wrong type. 'select' only "
182 "accept arguments of boolean and "
183 "tristate type", sym2->name);
186 if (sym->type != S_INT && sym->type != S_HEX)
187 prop_warn(prop, "range is only allowed "
188 "for int or hex symbols");
189 if (!sym_string_valid(sym, prop->expr->left.sym->name) ||
190 !sym_string_valid(sym, prop->expr->right.sym->name))
191 prop_warn(prop, "range is invalid");
199 void menu_finalize(struct menu *parent)
201 struct menu *menu, *last_menu;
203 struct property *prop;
204 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
208 if (sym && sym_is_choice(sym)) {
209 /* find the first choice value and find out choice type */
210 for (menu = parent->list; menu; menu = menu->next) {
212 current_entry = parent;
213 menu_set_type(menu->sym->type);
214 current_entry = menu;
215 menu_set_type(sym->type);
219 parentdep = expr_alloc_symbol(sym);
220 } else if (parent->prompt)
221 parentdep = parent->prompt->visible.expr;
223 parentdep = parent->dep;
225 for (menu = parent->list; menu; menu = menu->next) {
226 basedep = expr_transform(menu->dep);
227 basedep = expr_alloc_and(expr_copy(parentdep), basedep);
228 basedep = expr_eliminate_dups(basedep);
231 prop = menu->sym->prop;
234 for (; prop; prop = prop->next) {
235 if (prop->menu != menu)
237 dep = expr_transform(prop->visible.expr);
238 dep = expr_alloc_and(expr_copy(basedep), dep);
239 dep = expr_eliminate_dups(dep);
240 if (menu->sym && menu->sym->type != S_TRISTATE)
241 dep = expr_trans_bool(dep);
242 prop->visible.expr = dep;
243 if (prop->type == P_SELECT) {
244 struct symbol *es = prop_get_symbol(prop);
245 es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
246 expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
250 for (menu = parent->list; menu; menu = menu->next)
253 basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
254 basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
255 basedep = expr_eliminate_dups(expr_transform(basedep));
257 for (menu = parent->next; menu; menu = menu->next) {
258 dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
259 if (!expr_contains_symbol(dep, sym))
261 if (expr_depends_symbol(dep, sym))
263 dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
264 dep = expr_eliminate_dups(expr_transform(dep));
265 dep2 = expr_copy(basedep);
266 expr_eliminate_eq(&dep, &dep2);
268 if (!expr_is_yes(dep2)) {
275 menu->parent = parent;
279 parent->list = parent->next;
280 parent->next = last_menu->next;
281 last_menu->next = NULL;
284 for (menu = parent->list; menu; menu = menu->next) {
285 if (sym && sym_is_choice(sym) && menu->sym) {
286 menu->sym->flags |= SYMBOL_CHOICEVAL;
288 menu_warn(menu, "choice value must have a prompt");
289 for (prop = menu->sym->prop; prop; prop = prop->next) {
290 if (prop->type == P_PROMPT && prop->menu != menu) {
291 prop_warn(prop, "choice values "
292 "currently only support a "
295 if (prop->type == P_DEFAULT)
296 prop_warn(prop, "defaults for choice "
297 "values not supported");
299 current_entry = menu;
300 menu_set_type(sym->type);
301 menu_add_symbol(P_CHOICE, sym, NULL);
302 prop = sym_get_choice_prop(sym);
303 for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
305 *ep = expr_alloc_one(E_CHOICE, NULL);
306 (*ep)->right.sym = menu->sym;
308 if (menu->list && (!menu->prompt || !menu->prompt->text)) {
309 for (last_menu = menu->list; ; last_menu = last_menu->next) {
310 last_menu->parent = parent;
311 if (!last_menu->next)
314 last_menu->next = menu->next;
315 menu->next = menu->list;
320 if (sym && !(sym->flags & SYMBOL_WARNED)) {
321 if (sym->type == S_UNKNOWN)
322 menu_warn(parent, "config symbol defined "
325 if (sym_is_choice(sym) && !parent->prompt)
326 menu_warn(parent, "choice must have a prompt\n");
328 /* Check properties connected to this symbol */
330 sym->flags |= SYMBOL_WARNED;
333 if (sym && !sym_is_optional(sym) && parent->prompt) {
334 sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr,
335 expr_alloc_and(parent->prompt->visible.expr,
336 expr_alloc_symbol(&symbol_mod)));
340 bool menu_is_visible(struct menu *menu)
351 visible = menu->prompt->visible.tri;
353 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
357 if (!sym || sym_get_tristate_value(menu->sym) == no)
360 for (child = menu->list; child; child = child->next)
361 if (menu_is_visible(child))
366 const char *menu_get_prompt(struct menu *menu)
369 return menu->prompt->text;
371 return menu->sym->name;
375 struct menu *menu_get_root_menu(struct menu *menu)
380 struct menu *menu_get_parent_menu(struct menu *menu)
384 for (; menu != &rootmenu; menu = menu->parent) {
385 type = menu->prompt ? menu->prompt->type : 0;
392 struct file *file_lookup(const char *name)
396 for (file = file_list; file; file = file->next) {
397 if (!strcmp(name, file->name))
401 file = malloc(sizeof(*file));
402 memset(file, 0, sizeof(*file));
403 file->name = strdup(name);
404 file->next = file_list;
409 int file_write_dep(const char *name)
415 name = ".config.cmd";
416 out = fopen(".config.tmp", "w");
419 fprintf(out, "deps_config := \\\n");
420 for (file = file_list; file; file = file->next) {
422 fprintf(out, "\t%s \\\n", file->name);
424 fprintf(out, "\t%s\n", file->name);
426 fprintf(out, "\n.config include/config.h: $(deps_config)\n\n$(deps_config):\n");
428 rename(".config.tmp", name);