source: freewrt/package/config/menu.c@ d419478

freewrt_1_0 freewrt_2_0
Last change on this file since d419478 was 475ad56, checked in by Waldemar Brodkorb <wbx@…>, 20 years ago

add OpenWrt trunk revision 3830.

git-svn-id: ​svn://www.freewrt.org/trunk/freewrt@1 afb5a338-a214-0410-bd46-81f09a774fd1
  • Property mode set to 100644
File size: 10.5 KB
RevLine 
[475ad56]1/*
2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
4 */
5
6#include <stdlib.h>
7#include <string.h>
8
9#define LKC_DIRECT_LINK
10#include "lkc.h"
11
12struct menu rootmenu;
13struct menu *current_menu, *current_entry;
14static struct menu **last_entry_ptr;
15
16struct file *file_list;
17struct file *current_file;
18
19static void menu_warn(struct menu *menu, const char *fmt, ...)
20{
21 va_list ap;
22 va_start(ap, fmt);
23 fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
24 vfprintf(stderr, fmt, ap);
25 fprintf(stderr, "\n");
26 va_end(ap);
27}
28
29static void prop_warn(struct property *prop, const char *fmt, ...)
30{
31 va_list ap;
32 va_start(ap, fmt);
33 fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
34 vfprintf(stderr, fmt, ap);
35 fprintf(stderr, "\n");
36 va_end(ap);
37}
38
39void menu_init(void)
40{
41 current_entry = current_menu = &rootmenu;
42 last_entry_ptr = &rootmenu.list;
43}
44
45void menu_add_entry(struct symbol *sym)
46{
47 struct menu *menu;
48
49 menu = malloc(sizeof(*menu));
50 memset(menu, 0, sizeof(*menu));
51 menu->sym = sym;
52 menu->parent = current_menu;
53 menu->file = current_file;
54 menu->lineno = zconf_lineno();
55
56 *last_entry_ptr = menu;
57 last_entry_ptr = &menu->next;
58 current_entry = menu;
59}
60
61void menu_end_entry(void)
62{
63}
64
65void menu_add_menu(void)
66{
67 current_menu = current_entry;
68 last_entry_ptr = &current_entry->list;
69}
70
71void menu_end_menu(void)
72{
73 last_entry_ptr = &current_menu->next;
74 current_menu = current_menu->parent;
75}
76
77struct expr *menu_check_dep(struct expr *e)
78{
79 if (!e)
80 return e;
81
82 switch (e->type) {
83 case E_NOT:
84 e->left.expr = menu_check_dep(e->left.expr);
85 break;
86 case E_OR:
87 case E_AND:
88 e->left.expr = menu_check_dep(e->left.expr);
89 e->right.expr = menu_check_dep(e->right.expr);
90 break;
91 case E_SYMBOL:
92 /* change 'm' into 'm' && MODULES */
93 if (e->left.sym == &symbol_mod)
94 return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
95 break;
96 default:
97 break;
98 }
99 return e;
100}
101
102void menu_add_dep(struct expr *dep)
103{
104 current_entry->dep = expr_alloc_and(current_entry->dep, menu_check_dep(dep));
105}
106
107void menu_set_type(int type)
108{
109 struct symbol *sym = current_entry->sym;
110
111 if (sym->type == type)
112 return;
113 if (sym->type == S_UNKNOWN) {
114 sym->type = type;
115 return;
116 }
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));
120}
121
122struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
123{
124 struct property *prop = prop_alloc(type, current_entry->sym);
125
126 prop->menu = current_entry;
127 prop->text = prompt;
128 prop->expr = expr;
129 prop->visible.expr = menu_check_dep(dep);
130
131 if (prompt) {
132 if (current_entry->prompt)
133 menu_warn(current_entry, "prompt redefined\n");
134 current_entry->prompt = prop;
135 }
136
137 return prop;
138}
139
140void menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
141{
142 menu_add_prop(type, prompt, NULL, dep);
143}
144
145void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
146{
147 menu_add_prop(type, NULL, expr, dep);
148}
149
150void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
151{
152 menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
153}
154
155void sym_check_prop(struct symbol *sym)
156{
157 struct property *prop;
158 struct symbol *sym2;
159 for (prop = sym->prop; prop; prop = prop->next) {
160 switch (prop->type) {
161 case P_DEFAULT:
162 if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
163 prop->expr->type != E_SYMBOL)
164 prop_warn(prop,
165 "default for config symbol '%'"
166 " must be a single symbol", sym->name);
167 break;
168 case P_SELECT:
169 sym2 = prop_get_symbol(prop);
170 if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
171 prop_warn(prop,
172 "config symbol '%s' uses select, but is "
173 "not boolean or tristate", sym->name);
174 else if (sym2->type == S_UNKNOWN)
175 prop_warn(prop,
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)
180 prop_warn(prop,
181 "'%s' has wrong type. 'select' only "
182 "accept arguments of boolean and "
183 "tristate type", sym2->name);
184 break;
185 case P_RANGE:
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");
192 break;
193 default:
194 ;
195 }
196 }
197}
198
199void menu_finalize(struct menu *parent)
200{
201 struct menu *menu, *last_menu;
202 struct symbol *sym;
203 struct property *prop;
204 struct expr *parentdep, *basedep, *dep, *dep2, **ep;
205
206 sym = parent->sym;
207 if (parent->list) {
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) {
211 if (menu->sym) {
212 current_entry = parent;
213 menu_set_type(menu->sym->type);
214 current_entry = menu;
215 menu_set_type(sym->type);
216 break;
217 }
218 }
219 parentdep = expr_alloc_symbol(sym);
220 } else if (parent->prompt)
221 parentdep = parent->prompt->visible.expr;
222 else
223 parentdep = parent->dep;
224
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);
229 menu->dep = basedep;
230 if (menu->sym)
231 prop = menu->sym->prop;
232 else
233 prop = menu->prompt;
234 for (; prop; prop = prop->next) {
235 if (prop->menu != menu)
236 continue;
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)));
247 }
248 }
249 }
250 for (menu = parent->list; menu; menu = menu->next)
251 menu_finalize(menu);
252 } else if (sym) {
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));
256 last_menu = NULL;
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))
260 break;
261 if (expr_depends_symbol(dep, sym))
262 goto next;
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);
267 expr_free(dep);
268 if (!expr_is_yes(dep2)) {
269 expr_free(dep2);
270 break;
271 }
272 expr_free(dep2);
273 next:
274 menu_finalize(menu);
275 menu->parent = parent;
276 last_menu = menu;
277 }
278 if (last_menu) {
279 parent->list = parent->next;
280 parent->next = last_menu->next;
281 last_menu->next = NULL;
282 }
283 }
284 for (menu = parent->list; menu; menu = menu->next) {
285 if (sym && sym_is_choice(sym) && menu->sym) {
286 menu->sym->flags |= SYMBOL_CHOICEVAL;
287 if (!menu->prompt)
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 "
293 "single prompt");
294 }
295 if (prop->type == P_DEFAULT)
296 prop_warn(prop, "defaults for choice "
297 "values not supported");
298 }
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)
304 ;
305 *ep = expr_alloc_one(E_CHOICE, NULL);
306 (*ep)->right.sym = menu->sym;
307 }
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)
312 break;
313 }
314 last_menu->next = menu->next;
315 menu->next = menu->list;
316 menu->list = NULL;
317 }
318 }
319
320 if (sym && !(sym->flags & SYMBOL_WARNED)) {
321 if (sym->type == S_UNKNOWN)
322 menu_warn(parent, "config symbol defined "
323 "without type\n");
324
325 if (sym_is_choice(sym) && !parent->prompt)
326 menu_warn(parent, "choice must have a prompt\n");
327
328 /* Check properties connected to this symbol */
329 sym_check_prop(sym);
330 sym->flags |= SYMBOL_WARNED;
331 }
332
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)));
337 }
338}
339
340bool menu_is_visible(struct menu *menu)
341{
342 struct menu *child;
343 struct symbol *sym;
344 tristate visible;
345
346 if (!menu->prompt)
347 return false;
348 sym = menu->sym;
349 if (sym) {
350 sym_calc_value(sym);
351 visible = menu->prompt->visible.tri;
352 } else
353 visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
354
355 if (visible != no)
356 return true;
357 if (!sym || sym_get_tristate_value(menu->sym) == no)
358 return false;
359
360 for (child = menu->list; child; child = child->next)
361 if (menu_is_visible(child))
362 return true;
363 return false;
364}
365
366const char *menu_get_prompt(struct menu *menu)
367{
368 if (menu->prompt)
369 return menu->prompt->text;
370 else if (menu->sym)
371 return menu->sym->name;
372 return NULL;
373}
374
375struct menu *menu_get_root_menu(struct menu *menu)
376{
377 return &rootmenu;
378}
379
380struct menu *menu_get_parent_menu(struct menu *menu)
381{
382 enum prop_type type;
383
384 for (; menu != &rootmenu; menu = menu->parent) {
385 type = menu->prompt ? menu->prompt->type : 0;
386 if (type == P_MENU)
387 break;
388 }
389 return menu;
390}
391
392struct file *file_lookup(const char *name)
393{
394 struct file *file;
395
396 for (file = file_list; file; file = file->next) {
397 if (!strcmp(name, file->name))
398 return file;
399 }
400
401 file = malloc(sizeof(*file));
402 memset(file, 0, sizeof(*file));
403 file->name = strdup(name);
404 file->next = file_list;
405 file_list = file;
406 return file;
407}
408
409int file_write_dep(const char *name)
410{
411 struct file *file;
412 FILE *out;
413
414 if (!name)
415 name = ".config.cmd";
416 out = fopen(".config.tmp", "w");
417 if (!out)
418 return 1;
419 fprintf(out, "deps_config := \\\n");
420 for (file = file_list; file; file = file->next) {
421 if (file->next)
422 fprintf(out, "\t%s \\\n", file->name);
423 else
424 fprintf(out, "\t%s\n", file->name);
425 }
426 fprintf(out, "\n.config include/config.h: $(deps_config)\n\n$(deps_config):\n");
427 fclose(out);
428 rename(".config.tmp", name);
429 return 0;
430}
431
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