2 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
3 * Released under the terms of the GNU GPL v2.0.
10 #include <sys/utsname.h>
12 #define LKC_DIRECT_LINK
15 struct symbol symbol_yes
= {
18 .flags
= SYMBOL_YES
|SYMBOL_VALID
,
22 .flags
= SYMBOL_MOD
|SYMBOL_VALID
,
26 .flags
= SYMBOL_NO
|SYMBOL_VALID
,
30 .flags
= SYMBOL_VALID
,
34 struct symbol
*modules_sym
;
37 void sym_add_default(struct symbol
*sym
, const char *def
)
39 struct property
*prop
= prop_alloc(P_DEFAULT
, sym
);
41 prop
->expr
= expr_alloc_symbol(sym_lookup(def
, 1));
49 static bool inited
= false;
57 sym
= sym_lookup("ARCH", 0);
59 sym
->flags
|= SYMBOL_AUTO
;
62 sym_add_default(sym
, p
);
64 sym
= sym_lookup("OPENWRTVERSION", 0);
66 sym
->flags
|= SYMBOL_AUTO
;
67 p
= getenv("OPENWRTVERSION");
69 sym_add_default(sym
, p
);
71 sym
= sym_lookup("UNAME_RELEASE", 0);
73 sym
->flags
|= SYMBOL_AUTO
;
74 sym_add_default(sym
, uts
.release
);
77 enum symbol_type
sym_get_type(struct symbol
*sym
)
79 enum symbol_type type
= sym
->type
;
81 if (type
== S_TRISTATE
) {
82 if (sym_is_choice_value(sym
) && sym
->visible
== yes
)
84 /* tristate always enabled */
86 else if (modules_val
== no
)
93 const char *sym_type_name(enum symbol_type type
)
114 struct property
*sym_get_choice_prop(struct symbol
*sym
)
116 struct property
*prop
;
118 for_all_choices(sym
, prop
)
123 struct property
*sym_get_default_prop(struct symbol
*sym
)
125 struct property
*prop
;
127 for_all_defaults(sym
, prop
) {
128 prop
->visible
.tri
= expr_calc_value(prop
->visible
.expr
);
129 if (prop
->visible
.tri
!= no
)
135 struct property
*sym_get_range_prop(struct symbol
*sym
)
137 struct property
*prop
;
139 for_all_properties(sym
, prop
, P_RANGE
) {
140 prop
->visible
.tri
= expr_calc_value(prop
->visible
.expr
);
141 if (prop
->visible
.tri
!= no
)
147 static int sym_get_range_val(struct symbol
*sym
, int base
)
160 return strtol(sym
->curr
.val
, NULL
, base
);
163 static void sym_validate_range(struct symbol
*sym
)
165 struct property
*prop
;
179 prop
= sym_get_range_prop(sym
);
182 val
= strtol(sym
->curr
.val
, NULL
, base
);
183 val2
= sym_get_range_val(prop
->expr
->left
.sym
, base
);
185 val2
= sym_get_range_val(prop
->expr
->right
.sym
, base
);
189 if (sym
->type
== S_INT
)
190 sprintf(str
, "%d", val2
);
192 sprintf(str
, "0x%x", val2
);
193 sym
->curr
.val
= strdup(str
);
196 static void sym_calc_visibility(struct symbol
*sym
)
198 struct property
*prop
;
201 /* any prompt visible? */
203 for_all_prompts(sym
, prop
) {
204 prop
->visible
.tri
= expr_calc_value(prop
->visible
.expr
);
205 tri
= E_OR(tri
, prop
->visible
.tri
);
207 if (tri
== mod
&& (sym
->type
!= S_TRISTATE
))
209 if (sym
->rev_dep_inv
.expr
) {
210 if (expr_calc_value(sym
->rev_dep_inv
.expr
) == yes
)
213 if (sym
->visible
!= tri
) {
215 sym_set_changed(sym
);
217 if (sym_is_choice_value(sym
))
220 if (sym
->rev_dep
.expr
)
221 tri
= expr_calc_value(sym
->rev_dep
.expr
);
222 if (tri
== mod
&& sym_get_type(sym
) == S_BOOLEAN
)
224 if (sym
->rev_dep
.tri
!= tri
) {
225 sym
->rev_dep
.tri
= tri
;
226 sym_set_changed(sym
);
230 static struct symbol
*sym_calc_choice(struct symbol
*sym
)
232 struct symbol
*def_sym
;
233 struct property
*prop
;
236 /* is the user choice visible? */
237 def_sym
= sym
->user
.val
;
239 sym_calc_visibility(def_sym
);
240 if (def_sym
->visible
!= no
)
244 /* any of the defaults visible? */
245 for_all_defaults(sym
, prop
) {
246 prop
->visible
.tri
= expr_calc_value(prop
->visible
.expr
);
247 if (prop
->visible
.tri
== no
)
249 def_sym
= prop_get_symbol(prop
);
250 sym_calc_visibility(def_sym
);
251 if (def_sym
->visible
!= no
)
255 /* just get the first visible value */
256 prop
= sym_get_choice_prop(sym
);
257 for (e
= prop
->expr
; e
; e
= e
->left
.expr
) {
258 def_sym
= e
->right
.sym
;
259 sym_calc_visibility(def_sym
);
260 if (def_sym
->visible
!= no
)
264 /* no choice? reset tristate value */
269 void sym_calc_value(struct symbol
*sym
)
271 struct symbol_value newval
, oldval
;
272 struct property
*prop
;
278 if (sym
->flags
& SYMBOL_VALID
)
280 sym
->flags
|= SYMBOL_VALID
;
288 newval
= symbol_empty
.curr
;
292 newval
= symbol_no
.curr
;
295 sym
->curr
.val
= sym
->name
;
299 if (!sym_is_choice_value(sym
))
300 sym
->flags
&= ~SYMBOL_WRITE
;
302 sym_calc_visibility(sym
);
304 /* set default if recursively called */
307 switch (sym_get_type(sym
)) {
310 if (sym_is_choice_value(sym
) && sym
->visible
== yes
) {
311 prop
= sym_get_choice_prop(sym
);
312 newval
.tri
= (prop_get_symbol(prop
)->curr
.val
== sym
) ? yes
: no
;
313 } else if (E_OR(sym
->visible
, sym
->rev_dep
.tri
) != no
) {
314 sym
->flags
|= SYMBOL_WRITE
;
315 if (sym_has_value(sym
))
316 newval
.tri
= sym
->user
.tri
;
317 else if (!sym_is_choice(sym
)) {
318 prop
= sym_get_default_prop(sym
);
320 newval
.tri
= expr_calc_value(prop
->expr
);
322 newval
.tri
= E_OR(E_AND(newval
.tri
, sym
->visible
), sym
->rev_dep
.tri
);
323 } else if (!sym_is_choice(sym
)) {
324 prop
= sym_get_default_prop(sym
);
326 sym
->flags
|= SYMBOL_WRITE
;
327 newval
.tri
= expr_calc_value(prop
->expr
);
330 if (newval
.tri
== mod
&& sym_get_type(sym
) == S_BOOLEAN
)
336 if (sym
->visible
!= no
) {
337 sym
->flags
|= SYMBOL_WRITE
;
338 if (sym_has_value(sym
)) {
339 newval
.val
= sym
->user
.val
;
343 prop
= sym_get_default_prop(sym
);
345 struct symbol
*ds
= prop_get_symbol(prop
);
347 sym
->flags
|= SYMBOL_WRITE
;
349 newval
.val
= ds
->curr
.val
;
358 if (sym_is_choice(sym
) && newval
.tri
== yes
)
359 sym
->curr
.val
= sym_calc_choice(sym
);
360 sym_validate_range(sym
);
362 if (memcmp(&oldval
, &sym
->curr
, sizeof(oldval
)))
363 sym_set_changed(sym
);
365 if (modules_sym
== sym
)
366 modules_val
= modules_sym
->curr
.tri
;
368 if (sym_is_choice(sym
)) {
369 int flags
= sym
->flags
& (SYMBOL_CHANGED
| SYMBOL_WRITE
);
370 prop
= sym_get_choice_prop(sym
);
371 for (e
= prop
->expr
; e
; e
= e
->left
.expr
) {
372 e
->right
.sym
->flags
|= flags
;
373 if (flags
& SYMBOL_CHANGED
)
374 sym_set_changed(e
->right
.sym
);
379 void sym_clear_all_valid(void)
384 for_all_symbols(i
, sym
)
385 sym
->flags
&= ~SYMBOL_VALID
;
388 sym_calc_value(modules_sym
);
391 void sym_set_changed(struct symbol
*sym
)
393 struct property
*prop
;
395 sym
->flags
|= SYMBOL_CHANGED
;
396 for (prop
= sym
->prop
; prop
; prop
= prop
->next
) {
398 prop
->menu
->flags
|= MENU_CHANGED
;
402 void sym_set_all_changed(void)
407 for_all_symbols(i
, sym
)
408 sym_set_changed(sym
);
411 bool sym_tristate_within_range(struct symbol
*sym
, tristate val
)
413 int type
= sym_get_type(sym
);
415 if (sym
->visible
== no
)
418 if (type
!= S_BOOLEAN
&& type
!= S_TRISTATE
)
421 if (type
== S_BOOLEAN
&& val
== mod
)
423 if (sym
->visible
<= sym
->rev_dep
.tri
)
425 if (sym_is_choice_value(sym
) && sym
->visible
== yes
)
427 return val
>= sym
->rev_dep
.tri
&& val
<= sym
->visible
;
430 bool sym_set_tristate_value(struct symbol
*sym
, tristate val
)
432 tristate oldval
= sym_get_tristate_value(sym
);
434 if (oldval
!= val
&& !sym_tristate_within_range(sym
, val
))
437 if (sym
->flags
& SYMBOL_NEW
) {
438 sym
->flags
&= ~SYMBOL_NEW
;
439 sym_set_changed(sym
);
442 * setting a choice value also resets the new flag of the choice
443 * symbol and all other choice values.
445 if (sym_is_choice_value(sym
) && val
== yes
) {
446 struct symbol
*cs
= prop_get_symbol(sym_get_choice_prop(sym
));
447 struct property
*prop
;
451 cs
->flags
&= ~SYMBOL_NEW
;
452 prop
= sym_get_choice_prop(cs
);
453 for (e
= prop
->expr
; e
; e
= e
->left
.expr
) {
454 if (e
->right
.sym
->visible
!= no
)
455 e
->right
.sym
->flags
&= ~SYMBOL_NEW
;
461 sym_clear_all_valid();
462 if (sym
== modules_sym
)
463 sym_set_all_changed();
469 tristate
sym_toggle_tristate_value(struct symbol
*sym
)
471 tristate oldval
, newval
;
473 oldval
= newval
= sym_get_tristate_value(sym
);
486 if (sym_set_tristate_value(sym
, newval
))
488 } while (oldval
!= newval
);
492 bool sym_string_valid(struct symbol
*sym
, const char *str
)
505 if (ch
== '0' && *str
!= 0)
507 while ((ch
= *str
++)) {
513 if (str
[0] == '0' && (str
[1] == 'x' || str
[1] == 'X'))
519 } while ((ch
= *str
++));
535 bool sym_string_within_range(struct symbol
*sym
, const char *str
)
537 struct property
*prop
;
542 return sym_string_valid(sym
, str
);
544 if (!sym_string_valid(sym
, str
))
546 prop
= sym_get_range_prop(sym
);
549 val
= strtol(str
, NULL
, 10);
550 return val
>= sym_get_range_val(prop
->expr
->left
.sym
, 10) &&
551 val
<= sym_get_range_val(prop
->expr
->right
.sym
, 10);
553 if (!sym_string_valid(sym
, str
))
555 prop
= sym_get_range_prop(sym
);
558 val
= strtol(str
, NULL
, 16);
559 return val
>= sym_get_range_val(prop
->expr
->left
.sym
, 16) &&
560 val
<= sym_get_range_val(prop
->expr
->right
.sym
, 16);
565 return sym_tristate_within_range(sym
, yes
);
567 return sym_tristate_within_range(sym
, mod
);
569 return sym_tristate_within_range(sym
, no
);
577 bool sym_set_string_value(struct symbol
*sym
, const char *newval
)
588 return sym_set_tristate_value(sym
, yes
);
590 return sym_set_tristate_value(sym
, mod
);
592 return sym_set_tristate_value(sym
, no
);
599 if (!sym_string_within_range(sym
, newval
))
602 if (sym
->flags
& SYMBOL_NEW
) {
603 sym
->flags
&= ~SYMBOL_NEW
;
604 sym_set_changed(sym
);
607 oldval
= sym
->user
.val
;
608 size
= strlen(newval
) + 1;
609 if (sym
->type
== S_HEX
&& (newval
[0] != '0' || (newval
[1] != 'x' && newval
[1] != 'X'))) {
611 sym
->user
.val
= val
= malloc(size
);
614 } else if (!oldval
|| strcmp(oldval
, newval
))
615 sym
->user
.val
= val
= malloc(size
);
620 free((void *)oldval
);
621 sym_clear_all_valid();
626 const char *sym_get_string_value(struct symbol
*sym
)
633 val
= sym_get_tristate_value(sym
);
646 return (const char *)sym
->curr
.val
;
649 bool sym_is_changable(struct symbol
*sym
)
651 return sym
->visible
> sym
->rev_dep
.tri
;
654 struct symbol
*sym_lookup(const char *name
, int isconst
)
656 struct symbol
*symbol
;
662 if (name
[0] && !name
[1]) {
664 case 'y': return &symbol_yes
;
665 case 'm': return &symbol_mod
;
666 case 'n': return &symbol_no
;
669 for (ptr
= name
; *ptr
; ptr
++)
673 for (symbol
= symbol_hash
[hash
]; symbol
; symbol
= symbol
->next
) {
674 if (!strcmp(symbol
->name
, name
)) {
675 if ((isconst
&& symbol
->flags
& SYMBOL_CONST
) ||
676 (!isconst
&& !(symbol
->flags
& SYMBOL_CONST
)))
680 new_name
= strdup(name
);
686 symbol
= malloc(sizeof(*symbol
));
687 memset(symbol
, 0, sizeof(*symbol
));
688 symbol
->name
= new_name
;
689 symbol
->type
= S_UNKNOWN
;
690 symbol
->flags
= SYMBOL_NEW
;
692 symbol
->flags
|= SYMBOL_CONST
;
694 symbol
->next
= symbol_hash
[hash
];
695 symbol_hash
[hash
] = symbol
;
700 struct symbol
*sym_find(const char *name
)
702 struct symbol
*symbol
= NULL
;
709 if (name
[0] && !name
[1]) {
711 case 'y': return &symbol_yes
;
712 case 'm': return &symbol_mod
;
713 case 'n': return &symbol_no
;
716 for (ptr
= name
; *ptr
; ptr
++)
720 for (symbol
= symbol_hash
[hash
]; symbol
; symbol
= symbol
->next
) {
721 if (!strcmp(symbol
->name
, name
) &&
722 !(symbol
->flags
& SYMBOL_CONST
))
729 struct symbol
**sym_re_search(const char *pattern
)
731 struct symbol
*sym
, **sym_arr
= NULL
;
737 if (strlen(pattern
) == 0)
739 if (regcomp(&re
, pattern
, REG_EXTENDED
|REG_NOSUB
|REG_ICASE
))
742 for_all_symbols(i
, sym
) {
743 if (sym
->flags
& SYMBOL_CONST
|| !sym
->name
)
745 if (regexec(&re
, sym
->name
, 0, NULL
, 0))
747 if (cnt
+ 1 >= size
) {
750 sym_arr
= realloc(sym_arr
, size
* sizeof(struct symbol
*));
756 sym_arr
[cnt
++] = sym
;
766 struct symbol
*sym_check_deps(struct symbol
*sym
);
768 static struct symbol
*sym_check_expr_deps(struct expr
*e
)
777 sym
= sym_check_expr_deps(e
->left
.expr
);
780 return sym_check_expr_deps(e
->right
.expr
);
782 return sym_check_expr_deps(e
->left
.expr
);
785 sym
= sym_check_deps(e
->left
.sym
);
788 return sym_check_deps(e
->right
.sym
);
790 return sym_check_deps(e
->left
.sym
);
794 printf("Oops! How to check %d?\n", e
->type
);
798 struct symbol
*sym_check_deps(struct symbol
*sym
)
801 struct property
*prop
;
803 if (sym
->flags
& SYMBOL_CHECK
) {
804 printf("Warning! Found recursive dependency: %s", sym
->name
);
807 if (sym
->flags
& SYMBOL_CHECKED
)
810 sym
->flags
|= (SYMBOL_CHECK
| SYMBOL_CHECKED
);
811 sym2
= sym_check_expr_deps(sym
->rev_dep
.expr
);
815 for (prop
= sym
->prop
; prop
; prop
= prop
->next
) {
816 if (prop
->type
== P_CHOICE
|| prop
->type
== P_SELECT
|| prop
->type
== P_DESELECT
)
818 sym2
= sym_check_expr_deps(prop
->visible
.expr
);
821 if (prop
->type
!= P_DEFAULT
|| sym_is_choice(sym
))
823 sym2
= sym_check_expr_deps(prop
->expr
);
829 printf(" %s", sym
->name
);
835 sym
->flags
&= ~SYMBOL_CHECK
;
839 struct property
*prop_alloc(enum prop_type type
, struct symbol
*sym
)
841 struct property
*prop
;
842 struct property
**propp
;
844 prop
= malloc(sizeof(*prop
));
845 memset(prop
, 0, sizeof(*prop
));
848 prop
->file
= current_file
;
849 prop
->lineno
= zconf_lineno();
851 /* append property to the prop list of symbol */
853 for (propp
= &sym
->prop
; *propp
; propp
= &(*propp
)->next
)
861 struct symbol
*prop_get_symbol(struct property
*prop
)
863 if (prop
->expr
&& (prop
->expr
->type
== E_SYMBOL
||
864 prop
->expr
->type
== E_CHOICE
))
865 return prop
->expr
->left
.sym
;
869 const char *prop_get_type_name(enum prop_type type
)
This page took 0.118263 seconds and 5 git commands to generate.