Blame view
scripts/kconfig/symbol.c
30.4 KB
1da177e4c Linux-2.6.12-rc2 |
1 2 3 4 5 6 7 8 9 10 |
/* * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> * Released under the terms of the GNU GPL v2.0. */ #include <ctype.h> #include <stdlib.h> #include <string.h> #include <regex.h> #include <sys/utsname.h> |
1da177e4c Linux-2.6.12-rc2 |
11 12 13 14 15 |
#include "lkc.h" struct symbol symbol_yes = { .name = "y", .curr = { "y", yes }, |
c0e150acd kconfig: remove S... |
16 |
.flags = SYMBOL_CONST|SYMBOL_VALID, |
1da177e4c Linux-2.6.12-rc2 |
17 18 19 |
}, symbol_mod = { .name = "m", .curr = { "m", mod }, |
c0e150acd kconfig: remove S... |
20 |
.flags = SYMBOL_CONST|SYMBOL_VALID, |
1da177e4c Linux-2.6.12-rc2 |
21 22 23 |
}, symbol_no = { .name = "n", .curr = { "n", no }, |
c0e150acd kconfig: remove S... |
24 |
.flags = SYMBOL_CONST|SYMBOL_VALID, |
1da177e4c Linux-2.6.12-rc2 |
25 26 27 28 29 |
}, symbol_empty = { .name = "", .curr = { "", no }, .flags = SYMBOL_VALID, }; |
face4374e kconfig: add defc... |
30 |
struct symbol *sym_defconfig_list; |
1da177e4c Linux-2.6.12-rc2 |
31 32 |
struct symbol *modules_sym; tristate modules_val; |
93449082e kconfig: environm... |
33 |
struct expr *sym_env_list; |
4356f4890 kbuild: add stati... |
34 |
static void sym_add_default(struct symbol *sym, const char *def) |
1da177e4c Linux-2.6.12-rc2 |
35 36 |
{ struct property *prop = prop_alloc(P_DEFAULT, sym); |
5a1aa8a1a kconfig: add name... |
37 |
prop->expr = expr_alloc_symbol(sym_lookup(def, SYMBOL_CONST)); |
1da177e4c Linux-2.6.12-rc2 |
38 39 40 41 42 43 |
} void sym_init(void) { struct symbol *sym; struct utsname uts; |
1da177e4c Linux-2.6.12-rc2 |
44 45 46 47 48 49 50 |
static bool inited = false; if (inited) return; inited = true; uname(&uts); |
1da177e4c Linux-2.6.12-rc2 |
51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 |
sym = sym_lookup("UNAME_RELEASE", 0); sym->type = S_STRING; sym->flags |= SYMBOL_AUTO; sym_add_default(sym, uts.release); } enum symbol_type sym_get_type(struct symbol *sym) { enum symbol_type type = sym->type; if (type == S_TRISTATE) { if (sym_is_choice_value(sym) && sym->visible == yes) type = S_BOOLEAN; else if (modules_val == no) type = S_BOOLEAN; } return type; } const char *sym_type_name(enum symbol_type type) { switch (type) { case S_BOOLEAN: return "boolean"; case S_TRISTATE: return "tristate"; case S_INT: return "integer"; case S_HEX: return "hex"; case S_STRING: return "string"; case S_UNKNOWN: return "unknown"; case S_OTHER: break; } return "???"; } struct property *sym_get_choice_prop(struct symbol *sym) { struct property *prop; for_all_choices(sym, prop) return prop; return NULL; } |
93449082e kconfig: environm... |
99 100 101 102 103 104 105 106 |
struct property *sym_get_env_prop(struct symbol *sym) { struct property *prop; for_all_properties(sym, prop, P_ENV) return prop; return NULL; } |
ad8d40cda kconfig: Remove u... |
107 |
static struct property *sym_get_default_prop(struct symbol *sym) |
1da177e4c Linux-2.6.12-rc2 |
108 109 110 111 112 113 114 115 116 117 |
{ struct property *prop; for_all_defaults(sym, prop) { prop->visible.tri = expr_calc_value(prop->visible.expr); if (prop->visible.tri != no) return prop; } return NULL; } |
4356f4890 kbuild: add stati... |
118 |
static struct property *sym_get_range_prop(struct symbol *sym) |
1da177e4c Linux-2.6.12-rc2 |
119 120 121 122 123 124 125 126 127 128 |
{ struct property *prop; for_all_properties(sym, prop, P_RANGE) { prop->visible.tri = expr_calc_value(prop->visible.expr); if (prop->visible.tri != no) return prop; } return NULL; } |
129784abc kconfig: switch t... |
129 |
static long long sym_get_range_val(struct symbol *sym, int base) |
4cf3cbe2a [PATCH] kconfig: ... |
130 131 132 133 134 135 136 137 138 139 140 141 |
{ sym_calc_value(sym); switch (sym->type) { case S_INT: base = 10; break; case S_HEX: base = 16; break; default: break; } |
129784abc kconfig: switch t... |
142 |
return strtoll(sym->curr.val, NULL, base); |
4cf3cbe2a [PATCH] kconfig: ... |
143 144 145 146 147 |
} static void sym_validate_range(struct symbol *sym) { struct property *prop; |
129784abc kconfig: switch t... |
148 149 |
int base; long long val, val2; |
4cf3cbe2a [PATCH] kconfig: ... |
150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 |
char str[64]; switch (sym->type) { case S_INT: base = 10; break; case S_HEX: base = 16; break; default: return; } prop = sym_get_range_prop(sym); if (!prop) return; |
129784abc kconfig: switch t... |
165 |
val = strtoll(sym->curr.val, NULL, base); |
4cf3cbe2a [PATCH] kconfig: ... |
166 167 168 169 170 171 172 |
val2 = sym_get_range_val(prop->expr->left.sym, base); if (val >= val2) { val2 = sym_get_range_val(prop->expr->right.sym, base); if (val <= val2) return; } if (sym->type == S_INT) |
129784abc kconfig: switch t... |
173 |
sprintf(str, "%lld", val2); |
4cf3cbe2a [PATCH] kconfig: ... |
174 |
else |
129784abc kconfig: switch t... |
175 |
sprintf(str, "0x%llx", val2); |
4cf3cbe2a [PATCH] kconfig: ... |
176 177 |
sym->curr.val = strdup(str); } |
ad8d40cda kconfig: Remove u... |
178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 |
static void sym_set_changed(struct symbol *sym) { struct property *prop; sym->flags |= SYMBOL_CHANGED; for (prop = sym->prop; prop; prop = prop->next) { if (prop->menu) prop->menu->flags |= MENU_CHANGED; } } static void sym_set_all_changed(void) { struct symbol *sym; int i; for_all_symbols(i, sym) sym_set_changed(sym); } |
1da177e4c Linux-2.6.12-rc2 |
197 198 199 |
static void sym_calc_visibility(struct symbol *sym) { struct property *prop; |
fa64e5f6a kconfig/symbol.c:... |
200 |
struct symbol *choice_sym = NULL; |
1da177e4c Linux-2.6.12-rc2 |
201 202 203 204 |
tristate tri; /* any prompt visible? */ tri = no; |
fa64e5f6a kconfig/symbol.c:... |
205 206 207 |
if (sym_is_choice_value(sym)) choice_sym = prop_get_symbol(sym_get_choice_prop(sym)); |
1da177e4c Linux-2.6.12-rc2 |
208 209 |
for_all_prompts(sym, prop) { prop->visible.tri = expr_calc_value(prop->visible.expr); |
fa64e5f6a kconfig/symbol.c:... |
210 211 212 213 214 215 216 217 |
/* * Tristate choice_values with visibility 'mod' are * not visible if the corresponding choice's value is * 'yes'. */ if (choice_sym && sym->type == S_TRISTATE && prop->visible.tri == mod && choice_sym->curr.tri == yes) prop->visible.tri = no; |
d6ee35764 kconfig: rename E... |
218 |
tri = EXPR_OR(tri, prop->visible.tri); |
1da177e4c Linux-2.6.12-rc2 |
219 220 221 222 223 224 225 226 227 |
} if (tri == mod && (sym->type != S_TRISTATE || modules_val == no)) tri = yes; if (sym->visible != tri) { sym->visible = tri; sym_set_changed(sym); } if (sym_is_choice_value(sym)) return; |
246cf9c26 kbuild: Warn on s... |
228 229 230 231 232 233 234 235 236 237 |
/* defaulting to "yes" if no explicit "depends on" are given */ tri = yes; if (sym->dir_dep.expr) tri = expr_calc_value(sym->dir_dep.expr); if (tri == mod) tri = yes; if (sym->dir_dep.tri != tri) { sym->dir_dep.tri = tri; sym_set_changed(sym); } |
1da177e4c Linux-2.6.12-rc2 |
238 239 240 241 242 243 244 245 246 |
tri = no; if (sym->rev_dep.expr) tri = expr_calc_value(sym->rev_dep.expr); if (tri == mod && sym_get_type(sym) == S_BOOLEAN) tri = yes; if (sym->rev_dep.tri != tri) { sym->rev_dep.tri = tri; sym_set_changed(sym); } |
237e3ad0f Kconfig: Introduc... |
247 248 249 250 251 252 253 254 255 |
tri = no; if (sym->implied.expr && sym->dir_dep.tri != no) tri = expr_calc_value(sym->implied.expr); if (tri == mod && sym_get_type(sym) == S_BOOLEAN) tri = yes; if (sym->implied.tri != tri) { sym->implied.tri = tri; sym_set_changed(sym); } |
1da177e4c Linux-2.6.12-rc2 |
256 |
} |
c252147de kconfig: refactor... |
257 258 259 260 261 262 263 |
/* * Find the default symbol for a choice. * First try the default values for the choice symbol * Next locate the first visible choice value * Return NULL if none was found */ struct symbol *sym_choice_default(struct symbol *sym) |
1da177e4c Linux-2.6.12-rc2 |
264 265 266 267 |
{ struct symbol *def_sym; struct property *prop; struct expr *e; |
1da177e4c Linux-2.6.12-rc2 |
268 269 270 271 272 273 |
/* any of the defaults visible? */ for_all_defaults(sym, prop) { prop->visible.tri = expr_calc_value(prop->visible.expr); if (prop->visible.tri == no) continue; def_sym = prop_get_symbol(prop); |
1da177e4c Linux-2.6.12-rc2 |
274 275 276 277 278 279 |
if (def_sym->visible != no) return def_sym; } /* just get the first visible value */ prop = sym_get_choice_prop(sym); |
0a28c47b8 kconfig: Don't wr... |
280 |
expr_list_for_each_sym(prop->expr, e, def_sym) |
1da177e4c Linux-2.6.12-rc2 |
281 282 |
if (def_sym->visible != no) return def_sym; |
1da177e4c Linux-2.6.12-rc2 |
283 |
|
c252147de kconfig: refactor... |
284 |
/* failed to locate any defaults */ |
1da177e4c Linux-2.6.12-rc2 |
285 286 |
return NULL; } |
c252147de kconfig: refactor... |
287 288 289 290 291 |
static struct symbol *sym_calc_choice(struct symbol *sym) { struct symbol *def_sym; struct property *prop; struct expr *e; |
5d09598d4 kconfig: fix new ... |
292 |
int flags; |
c252147de kconfig: refactor... |
293 294 |
/* first calculate all choice values' visibilities */ |
5d09598d4 kconfig: fix new ... |
295 |
flags = sym->flags; |
c252147de kconfig: refactor... |
296 |
prop = sym_get_choice_prop(sym); |
5d09598d4 kconfig: fix new ... |
297 |
expr_list_for_each_sym(prop->expr, e, def_sym) { |
c252147de kconfig: refactor... |
298 |
sym_calc_visibility(def_sym); |
5d09598d4 kconfig: fix new ... |
299 300 301 302 303 |
if (def_sym->visible != no) flags &= def_sym->flags; } sym->flags &= flags | ~SYMBOL_DEF_USER; |
c252147de kconfig: refactor... |
304 305 306 307 308 309 310 311 312 313 314 315 316 317 |
/* is the user choice visible? */ def_sym = sym->def[S_DEF_USER].val; if (def_sym && def_sym->visible != no) return def_sym; def_sym = sym_choice_default(sym); if (def_sym == NULL) /* no choice? reset tristate value */ sym->curr.tri = no; return def_sym; } |
1da177e4c Linux-2.6.12-rc2 |
318 319 320 321 322 323 324 325 326 327 328 |
void sym_calc_value(struct symbol *sym) { struct symbol_value newval, oldval; struct property *prop; struct expr *e; if (!sym) return; if (sym->flags & SYMBOL_VALID) return; |
fbe98bb9e kconfig: Fix defc... |
329 330 331 332 333 334 335 |
if (sym_is_choice_value(sym) && sym->flags & SYMBOL_NEED_SET_CHOICE_VALUES) { sym->flags &= ~SYMBOL_NEED_SET_CHOICE_VALUES; prop = sym_get_choice_prop(sym); sym_calc_value(prop_get_symbol(prop)); } |
1da177e4c Linux-2.6.12-rc2 |
336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 |
sym->flags |= SYMBOL_VALID; oldval = sym->curr; switch (sym->type) { case S_INT: case S_HEX: case S_STRING: newval = symbol_empty.curr; break; case S_BOOLEAN: case S_TRISTATE: newval = symbol_no.curr; break; default: sym->curr.val = sym->name; sym->curr.tri = no; return; } if (!sym_is_choice_value(sym)) sym->flags &= ~SYMBOL_WRITE; sym_calc_visibility(sym); /* set default if recursively called */ sym->curr = newval; switch (sym_get_type(sym)) { case S_BOOLEAN: case S_TRISTATE: if (sym_is_choice_value(sym) && sym->visible == yes) { prop = sym_get_choice_prop(sym); newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no; |
587c90616 kconfig: fix sele... |
369 370 371 372 373 374 375 376 377 378 379 |
} else { if (sym->visible != no) { /* if the symbol is visible use the user value * if available, otherwise try the default value */ sym->flags |= SYMBOL_WRITE; if (sym_has_value(sym)) { newval.tri = EXPR_AND(sym->def[S_DEF_USER].tri, sym->visible); goto calc_newval; } |
1da177e4c Linux-2.6.12-rc2 |
380 |
} |
587c90616 kconfig: fix sele... |
381 |
if (sym->rev_dep.tri != no) |
1da177e4c Linux-2.6.12-rc2 |
382 |
sym->flags |= SYMBOL_WRITE; |
587c90616 kconfig: fix sele... |
383 384 385 386 387 388 389 |
if (!sym_is_choice(sym)) { prop = sym_get_default_prop(sym); if (prop) { sym->flags |= SYMBOL_WRITE; newval.tri = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri); } |
237e3ad0f Kconfig: Introduc... |
390 391 392 393 |
if (sym->implied.tri != no) { sym->flags |= SYMBOL_WRITE; newval.tri = EXPR_OR(newval.tri, sym->implied.tri); } |
1da177e4c Linux-2.6.12-rc2 |
394 |
} |
587c90616 kconfig: fix sele... |
395 |
calc_newval: |
246cf9c26 kbuild: Warn on s... |
396 |
if (sym->dir_dep.tri == no && sym->rev_dep.tri != no) { |
1137c56b7 kconfig: simplify... |
397 398 399 |
struct expr *e; e = expr_simplify_unmet_dep(sym->rev_dep.expr, sym->dir_dep.expr); |
246cf9c26 kbuild: Warn on s... |
400 |
fprintf(stderr, "warning: ("); |
1137c56b7 kconfig: simplify... |
401 |
expr_fprint(e, stderr); |
246cf9c26 kbuild: Warn on s... |
402 403 404 405 406 |
fprintf(stderr, ") selects %s which has unmet direct dependencies (", sym->name); expr_fprint(sym->dir_dep.expr, stderr); fprintf(stderr, ") "); |
1137c56b7 kconfig: simplify... |
407 |
expr_free(e); |
246cf9c26 kbuild: Warn on s... |
408 |
} |
587c90616 kconfig: fix sele... |
409 |
newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri); |
1da177e4c Linux-2.6.12-rc2 |
410 |
} |
237e3ad0f Kconfig: Introduc... |
411 412 |
if (newval.tri == mod && (sym_get_type(sym) == S_BOOLEAN || sym->implied.tri == yes)) |
1da177e4c Linux-2.6.12-rc2 |
413 414 415 416 417 418 419 420 |
newval.tri = yes; break; case S_STRING: case S_HEX: case S_INT: if (sym->visible != no) { sym->flags |= SYMBOL_WRITE; if (sym_has_value(sym)) { |
0c1822e69 kconfig: allow mu... |
421 |
newval.val = sym->def[S_DEF_USER].val; |
1da177e4c Linux-2.6.12-rc2 |
422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 |
break; } } prop = sym_get_default_prop(sym); if (prop) { struct symbol *ds = prop_get_symbol(prop); if (ds) { sym->flags |= SYMBOL_WRITE; sym_calc_value(ds); newval.val = ds->curr.val; } } break; default: ; } sym->curr = newval; if (sym_is_choice(sym) && newval.tri == yes) sym->curr.val = sym_calc_choice(sym); |
4cf3cbe2a [PATCH] kconfig: ... |
442 |
sym_validate_range(sym); |
1da177e4c Linux-2.6.12-rc2 |
443 |
|
face4374e kconfig: add defc... |
444 |
if (memcmp(&oldval, &sym->curr, sizeof(oldval))) { |
1da177e4c Linux-2.6.12-rc2 |
445 |
sym_set_changed(sym); |
face4374e kconfig: add defc... |
446 447 448 449 450 |
if (modules_sym == sym) { sym_set_all_changed(); modules_val = modules_sym->curr.tri; } } |
1da177e4c Linux-2.6.12-rc2 |
451 452 |
if (sym_is_choice(sym)) { |
7a9629233 kconfig: explicit... |
453 |
struct symbol *choice_sym; |
7a9629233 kconfig: explicit... |
454 |
|
1da177e4c Linux-2.6.12-rc2 |
455 |
prop = sym_get_choice_prop(sym); |
7a9629233 kconfig: explicit... |
456 |
expr_list_for_each_sym(prop->expr, e, choice_sym) { |
0a28c47b8 kconfig: Don't wr... |
457 458 459 460 |
if ((sym->flags & SYMBOL_WRITE) && choice_sym->visible != no) choice_sym->flags |= SYMBOL_WRITE; if (sym->flags & SYMBOL_CHANGED) |
7a9629233 kconfig: explicit... |
461 |
sym_set_changed(choice_sym); |
1da177e4c Linux-2.6.12-rc2 |
462 463 |
} } |
5a1aa8a1a kconfig: add name... |
464 465 466 |
if (sym->flags & SYMBOL_AUTO) sym->flags &= ~SYMBOL_WRITE; |
fbe98bb9e kconfig: Fix defc... |
467 468 469 |
if (sym->flags & SYMBOL_NEED_SET_CHOICE_VALUES) set_all_choice_values(sym); |
1da177e4c Linux-2.6.12-rc2 |
470 471 472 473 474 475 476 477 478 |
} void sym_clear_all_valid(void) { struct symbol *sym; int i; for_all_symbols(i, sym) sym->flags &= ~SYMBOL_VALID; |
bfc10001b [PATCH] kconfig: ... |
479 |
sym_add_change_count(1); |
35ffd08d9 kconfig: Delete u... |
480 |
sym_calc_value(modules_sym); |
1da177e4c Linux-2.6.12-rc2 |
481 |
} |
1da177e4c Linux-2.6.12-rc2 |
482 483 484 485 486 487 488 489 490 491 492 493 494 495 |
bool sym_tristate_within_range(struct symbol *sym, tristate val) { int type = sym_get_type(sym); if (sym->visible == no) return false; if (type != S_BOOLEAN && type != S_TRISTATE) return false; if (type == S_BOOLEAN && val == mod) return false; if (sym->visible <= sym->rev_dep.tri) return false; |
237e3ad0f Kconfig: Introduc... |
496 497 |
if (sym->implied.tri == yes && val == mod) return false; |
1da177e4c Linux-2.6.12-rc2 |
498 499 500 501 502 503 504 505 506 507 508 |
if (sym_is_choice_value(sym) && sym->visible == yes) return val == yes; return val >= sym->rev_dep.tri && val <= sym->visible; } bool sym_set_tristate_value(struct symbol *sym, tristate val) { tristate oldval = sym_get_tristate_value(sym); if (oldval != val && !sym_tristate_within_range(sym, val)) return false; |
669bfad90 kconfig: allow lo... |
509 510 |
if (!(sym->flags & SYMBOL_DEF_USER)) { sym->flags |= SYMBOL_DEF_USER; |
1da177e4c Linux-2.6.12-rc2 |
511 512 |
sym_set_changed(sym); } |
3f23ca2b3 [PATCH] kconfig: ... |
513 514 515 516 |
/* * setting a choice value also resets the new flag of the choice * symbol and all other choice values. */ |
1da177e4c Linux-2.6.12-rc2 |
517 518 |
if (sym_is_choice_value(sym) && val == yes) { struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); |
3f23ca2b3 [PATCH] kconfig: ... |
519 520 |
struct property *prop; struct expr *e; |
1da177e4c Linux-2.6.12-rc2 |
521 |
|
0c1822e69 kconfig: allow mu... |
522 |
cs->def[S_DEF_USER].val = sym; |
669bfad90 kconfig: allow lo... |
523 |
cs->flags |= SYMBOL_DEF_USER; |
3f23ca2b3 [PATCH] kconfig: ... |
524 525 526 |
prop = sym_get_choice_prop(cs); for (e = prop->expr; e; e = e->left.expr) { if (e->right.sym->visible != no) |
669bfad90 kconfig: allow lo... |
527 |
e->right.sym->flags |= SYMBOL_DEF_USER; |
3f23ca2b3 [PATCH] kconfig: ... |
528 |
} |
1da177e4c Linux-2.6.12-rc2 |
529 |
} |
0c1822e69 kconfig: allow mu... |
530 |
sym->def[S_DEF_USER].tri = val; |
face4374e kconfig: add defc... |
531 |
if (oldval != val) |
1da177e4c Linux-2.6.12-rc2 |
532 |
sym_clear_all_valid(); |
1da177e4c Linux-2.6.12-rc2 |
533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 |
return true; } tristate sym_toggle_tristate_value(struct symbol *sym) { tristate oldval, newval; oldval = newval = sym_get_tristate_value(sym); do { switch (newval) { case no: newval = mod; break; case mod: newval = yes; break; case yes: newval = no; break; } if (sym_set_tristate_value(sym, newval)) break; } while (oldval != newval); return newval; } bool sym_string_valid(struct symbol *sym, const char *str) { signed char ch; switch (sym->type) { case S_STRING: return true; case S_INT: ch = *str++; if (ch == '-') ch = *str++; if (!isdigit(ch)) return false; if (ch == '0' && *str != 0) return false; while ((ch = *str++)) { if (!isdigit(ch)) return false; } return true; case S_HEX: if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) str += 2; ch = *str++; do { if (!isxdigit(ch)) return false; } while ((ch = *str++)); return true; case S_BOOLEAN: case S_TRISTATE: switch (str[0]) { case 'y': case 'Y': case 'm': case 'M': case 'n': case 'N': return true; } return false; default: return false; } } bool sym_string_within_range(struct symbol *sym, const char *str) { struct property *prop; |
129784abc kconfig: switch t... |
606 |
long long val; |
1da177e4c Linux-2.6.12-rc2 |
607 608 609 610 611 612 613 614 615 616 |
switch (sym->type) { case S_STRING: return sym_string_valid(sym, str); case S_INT: if (!sym_string_valid(sym, str)) return false; prop = sym_get_range_prop(sym); if (!prop) return true; |
129784abc kconfig: switch t... |
617 |
val = strtoll(str, NULL, 10); |
4cf3cbe2a [PATCH] kconfig: ... |
618 619 |
return val >= sym_get_range_val(prop->expr->left.sym, 10) && val <= sym_get_range_val(prop->expr->right.sym, 10); |
1da177e4c Linux-2.6.12-rc2 |
620 621 622 623 624 625 |
case S_HEX: if (!sym_string_valid(sym, str)) return false; prop = sym_get_range_prop(sym); if (!prop) return true; |
129784abc kconfig: switch t... |
626 |
val = strtoll(str, NULL, 16); |
4cf3cbe2a [PATCH] kconfig: ... |
627 628 |
return val >= sym_get_range_val(prop->expr->left.sym, 16) && val <= sym_get_range_val(prop->expr->right.sym, 16); |
1da177e4c Linux-2.6.12-rc2 |
629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 |
case S_BOOLEAN: case S_TRISTATE: switch (str[0]) { case 'y': case 'Y': return sym_tristate_within_range(sym, yes); case 'm': case 'M': return sym_tristate_within_range(sym, mod); case 'n': case 'N': return sym_tristate_within_range(sym, no); } return false; default: return false; } } bool sym_set_string_value(struct symbol *sym, const char *newval) { const char *oldval; char *val; int size; switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: switch (newval[0]) { case 'y': case 'Y': return sym_set_tristate_value(sym, yes); case 'm': case 'M': return sym_set_tristate_value(sym, mod); case 'n': case 'N': return sym_set_tristate_value(sym, no); } return false; default: ; } if (!sym_string_within_range(sym, newval)) return false; |
669bfad90 kconfig: allow lo... |
669 670 |
if (!(sym->flags & SYMBOL_DEF_USER)) { sym->flags |= SYMBOL_DEF_USER; |
1da177e4c Linux-2.6.12-rc2 |
671 672 |
sym_set_changed(sym); } |
0c1822e69 kconfig: allow mu... |
673 |
oldval = sym->def[S_DEF_USER].val; |
1da177e4c Linux-2.6.12-rc2 |
674 675 676 |
size = strlen(newval) + 1; if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) { size += 2; |
177acf784 kconfig: Fix mall... |
677 |
sym->def[S_DEF_USER].val = val = xmalloc(size); |
1da177e4c Linux-2.6.12-rc2 |
678 679 680 |
*val++ = '0'; *val++ = 'x'; } else if (!oldval || strcmp(oldval, newval)) |
177acf784 kconfig: Fix mall... |
681 |
sym->def[S_DEF_USER].val = val = xmalloc(size); |
1da177e4c Linux-2.6.12-rc2 |
682 683 684 685 686 687 688 689 690 |
else return true; strcpy(val, newval); free((void *)oldval); sym_clear_all_valid(); return true; } |
7cf3d73b4 kconfig: add save... |
691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 |
/* * Find the default value associated to a symbol. * For tristate symbol handle the modules=n case * in which case "m" becomes "y". * If the symbol does not have any default then fallback * to the fixed default values. */ const char *sym_get_string_default(struct symbol *sym) { struct property *prop; struct symbol *ds; const char *str; tristate val; sym_calc_visibility(sym); sym_calc_value(modules_sym); val = symbol_no.curr.tri; str = symbol_empty.curr.val; /* If symbol has a default value look it up */ prop = sym_get_default_prop(sym); if (prop != NULL) { switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: |
579fb8e74 kconfig: fix typos |
716 |
/* The visibility may limit the value from yes => mod */ |
7cf3d73b4 kconfig: add save... |
717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 |
val = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri); break; default: /* * The following fails to handle the situation * where a default value is further limited by * the valid range. */ ds = prop_get_symbol(prop); if (ds != NULL) { sym_calc_value(ds); str = (const char *)ds->curr.val; } } } /* Handle select statements */ val = EXPR_OR(val, sym->rev_dep.tri); /* transpose mod to yes if modules are not enabled */ if (val == mod) if (!sym_is_choice_value(sym) && modules_sym->curr.tri == no) val = yes; /* transpose mod to yes if type is bool */ if (sym->type == S_BOOLEAN && val == mod) val = yes; |
237e3ad0f Kconfig: Introduc... |
744 745 746 |
/* adjust the default value if this symbol is implied by another */ if (val < sym->implied.tri) val = sym->implied.tri; |
7cf3d73b4 kconfig: add save... |
747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 |
switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: switch (val) { case no: return "n"; case mod: return "m"; case yes: return "y"; } case S_INT: case S_HEX: return str; case S_STRING: return str; case S_OTHER: case S_UNKNOWN: break; } return ""; } |
1da177e4c Linux-2.6.12-rc2 |
766 767 768 769 770 771 772 773 774 775 776 777 |
const char *sym_get_string_value(struct symbol *sym) { tristate val; switch (sym->type) { case S_BOOLEAN: case S_TRISTATE: val = sym_get_tristate_value(sym); switch (val) { case no: return "n"; case mod: |
e54e692ba kconfig: introduc... |
778 779 |
sym_calc_value(modules_sym); return (modules_sym->curr.tri == no) ? "n" : "m"; |
1da177e4c Linux-2.6.12-rc2 |
780 781 782 783 784 785 786 787 788 789 790 791 792 793 |
case yes: return "y"; } break; default: ; } return (const char *)sym->curr.val; } bool sym_is_changable(struct symbol *sym) { return sym->visible > sym->rev_dep.tri; } |
e66f25d7d Improve kconfig s... |
794 795 796 797 798 799 800 801 |
static unsigned strhash(const char *s) { /* fnv32 hash */ unsigned hash = 2166136261U; for (; *s; s++) hash = (hash ^ *s) * 0x01000193; return hash; } |
5a1aa8a1a kconfig: add name... |
802 |
struct symbol *sym_lookup(const char *name, int flags) |
1da177e4c Linux-2.6.12-rc2 |
803 804 |
{ struct symbol *symbol; |
1da177e4c Linux-2.6.12-rc2 |
805 |
char *new_name; |
e66f25d7d Improve kconfig s... |
806 |
int hash; |
1da177e4c Linux-2.6.12-rc2 |
807 808 809 810 811 812 813 814 815 |
if (name) { if (name[0] && !name[1]) { switch (name[0]) { case 'y': return &symbol_yes; case 'm': return &symbol_mod; case 'n': return &symbol_no; } } |
e66f25d7d Improve kconfig s... |
816 |
hash = strhash(name) % SYMBOL_HASHSIZE; |
1da177e4c Linux-2.6.12-rc2 |
817 818 |
for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { |
e66f25d7d Improve kconfig s... |
819 820 |
if (symbol->name && !strcmp(symbol->name, name) && |
5a1aa8a1a kconfig: add name... |
821 822 823 |
(flags ? symbol->flags & flags : !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE)))) return symbol; |
1da177e4c Linux-2.6.12-rc2 |
824 825 826 827 |
} new_name = strdup(name); } else { new_name = NULL; |
e66f25d7d Improve kconfig s... |
828 |
hash = 0; |
1da177e4c Linux-2.6.12-rc2 |
829 |
} |
177acf784 kconfig: Fix mall... |
830 |
symbol = xmalloc(sizeof(*symbol)); |
1da177e4c Linux-2.6.12-rc2 |
831 832 833 |
memset(symbol, 0, sizeof(*symbol)); symbol->name = new_name; symbol->type = S_UNKNOWN; |
5a1aa8a1a kconfig: add name... |
834 |
symbol->flags |= flags; |
1da177e4c Linux-2.6.12-rc2 |
835 836 837 838 839 840 841 842 843 844 |
symbol->next = symbol_hash[hash]; symbol_hash[hash] = symbol; return symbol; } struct symbol *sym_find(const char *name) { struct symbol *symbol = NULL; |
1da177e4c Linux-2.6.12-rc2 |
845 846 847 848 849 850 851 852 853 854 855 856 |
int hash = 0; if (!name) return NULL; if (name[0] && !name[1]) { switch (name[0]) { case 'y': return &symbol_yes; case 'm': return &symbol_mod; case 'n': return &symbol_no; } } |
e66f25d7d Improve kconfig s... |
857 |
hash = strhash(name) % SYMBOL_HASHSIZE; |
1da177e4c Linux-2.6.12-rc2 |
858 859 |
for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { |
e66f25d7d Improve kconfig s... |
860 861 |
if (symbol->name && !strcmp(symbol->name, name) && |
1da177e4c Linux-2.6.12-rc2 |
862 863 864 865 866 867 |
!(symbol->flags & SYMBOL_CONST)) break; } return symbol; } |
76a540958 kconfig: add a sy... |
868 869 870 871 872 873 874 875 876 877 878 879 |
/* * Expand symbol's names embedded in the string given in argument. Symbols' * name to be expanded shall be prefixed by a '$'. Unknown symbol expands to * the empty string. */ const char *sym_expand_string_value(const char *in) { const char *src; char *res; size_t reslen; reslen = strlen(in) + 1; |
177acf784 kconfig: Fix mall... |
880 |
res = xmalloc(reslen); |
76a540958 kconfig: add a sy... |
881 882 883 884 885 886 887 888 889 890 891 892 893 894 895 896 897 898 899 900 901 |
res[0] = '\0'; while ((src = strchr(in, '$'))) { char *p, name[SYMBOL_MAXLENGTH]; const char *symval = ""; struct symbol *sym; size_t newlen; strncat(res, in, src - in); src++; p = name; while (isalnum(*src) || *src == '_') *p++ = *src++; *p = '\0'; sym = sym_find(name); if (sym != NULL) { sym_calc_value(sym); symval = sym_get_string_value(sym); } |
020e773f6 kconfig: sym_expa... |
902 |
newlen = strlen(res) + strlen(symval) + strlen(src) + 1; |
76a540958 kconfig: add a sy... |
903 904 |
if (newlen > reslen) { reslen = newlen; |
19c29f326 kconfig: Fix real... |
905 |
res = realloc(res, reslen); |
76a540958 kconfig: add a sy... |
906 907 908 909 910 911 912 913 914 |
} strcat(res, symval); in = src; } strcat(res, in); return res; } |
e54e692ba kconfig: introduc... |
915 916 917 918 919 920 921 922 923 924 925 926 927 928 929 930 931 932 933 934 |
const char *sym_escape_string_value(const char *in) { const char *p; size_t reslen; char *res; size_t l; reslen = strlen(in) + strlen("\"\"") + 1; p = in; for (;;) { l = strcspn(p, "\"\\"); p += l; if (p[0] == '\0') break; reslen++; p++; } |
177acf784 kconfig: Fix mall... |
935 |
res = xmalloc(reslen); |
e54e692ba kconfig: introduc... |
936 937 938 939 940 941 942 943 944 945 946 947 948 949 950 951 952 953 954 955 |
res[0] = '\0'; strcat(res, "\""); p = in; for (;;) { l = strcspn(p, "\"\\"); strncat(res, p, l); p += l; if (p[0] == '\0') break; strcat(res, "\\"); strncat(res, p++, 1); } strcat(res, "\""); return res; } |
193b40aeb kconfig: sort fou... |
956 957 958 959 960 961 962 963 964 |
struct sym_match { struct symbol *sym; off_t so, eo; }; /* Compare matched symbols as thus: * - first, symbols that match exactly * - then, alphabetical sort */ |
803b35198 kconfig: minor st... |
965 |
static int sym_rel_comp(const void *sym1, const void *sym2) |
193b40aeb kconfig: sort fou... |
966 |
{ |
508382a04 kconfig: simplify... |
967 968 |
const struct sym_match *s1 = sym1; const struct sym_match *s2 = sym2; |
26e933e3c kconfig: avoid mu... |
969 |
int exact1, exact2; |
193b40aeb kconfig: sort fou... |
970 971 972 973 974 975 976 977 978 979 |
/* Exact match: * - if matched length on symbol s1 is the length of that symbol, * then this symbol should come first; * - if matched length on symbol s2 is the length of that symbol, * then this symbol should come first. * Note: since the search can be a regexp, both symbols may match * exactly; if this is the case, we can't decide which comes first, * and we fallback to sorting alphabetically. */ |
26e933e3c kconfig: avoid mu... |
980 981 982 |
exact1 = (s1->eo - s1->so) == strlen(s1->sym->name); exact2 = (s2->eo - s2->so) == strlen(s2->sym->name); if (exact1 && !exact2) |
193b40aeb kconfig: sort fou... |
983 |
return -1; |
26e933e3c kconfig: avoid mu... |
984 |
if (!exact1 && exact2) |
193b40aeb kconfig: sort fou... |
985 986 987 988 989 |
return 1; /* As a fallback, sort symbols alphabetically */ return strcmp(s1->sym->name, s2->sym->name); } |
1da177e4c Linux-2.6.12-rc2 |
990 991 992 |
struct symbol **sym_re_search(const char *pattern) { struct symbol *sym, **sym_arr = NULL; |
508382a04 kconfig: simplify... |
993 |
struct sym_match *sym_match_arr = NULL; |
1da177e4c Linux-2.6.12-rc2 |
994 995 |
int i, cnt, size; regex_t re; |
193b40aeb kconfig: sort fou... |
996 |
regmatch_t match[1]; |
1da177e4c Linux-2.6.12-rc2 |
997 998 999 1000 1001 |
cnt = size = 0; /* Skip if empty */ if (strlen(pattern) == 0) return NULL; |
193b40aeb kconfig: sort fou... |
1002 |
if (regcomp(&re, pattern, REG_EXTENDED|REG_ICASE)) |
1da177e4c Linux-2.6.12-rc2 |
1003 1004 1005 1006 1007 |
return NULL; for_all_symbols(i, sym) { if (sym->flags & SYMBOL_CONST || !sym->name) continue; |
193b40aeb kconfig: sort fou... |
1008 |
if (regexec(&re, sym->name, 1, match, 0)) |
1da177e4c Linux-2.6.12-rc2 |
1009 |
continue; |
1407f97ae kconfig: don't al... |
1010 |
if (cnt >= size) { |
193b40aeb kconfig: sort fou... |
1011 |
void *tmp; |
1da177e4c Linux-2.6.12-rc2 |
1012 |
size += 16; |
508382a04 kconfig: simplify... |
1013 |
tmp = realloc(sym_match_arr, size * sizeof(struct sym_match)); |
803b35198 kconfig: minor st... |
1014 |
if (!tmp) |
193b40aeb kconfig: sort fou... |
1015 |
goto sym_re_search_free; |
193b40aeb kconfig: sort fou... |
1016 |
sym_match_arr = tmp; |
1da177e4c Linux-2.6.12-rc2 |
1017 |
} |
da6df879b kconfig: recalc s... |
1018 |
sym_calc_value(sym); |
803b35198 kconfig: minor st... |
1019 |
/* As regexec returned 0, we know we have a match, so |
193b40aeb kconfig: sort fou... |
1020 1021 |
* we can use match[0].rm_[se]o without further checks */ |
508382a04 kconfig: simplify... |
1022 1023 1024 |
sym_match_arr[cnt].so = match[0].rm_so; sym_match_arr[cnt].eo = match[0].rm_eo; sym_match_arr[cnt++].sym = sym; |
1da177e4c Linux-2.6.12-rc2 |
1025 |
} |
193b40aeb kconfig: sort fou... |
1026 |
if (sym_match_arr) { |
508382a04 kconfig: simplify... |
1027 |
qsort(sym_match_arr, cnt, sizeof(struct sym_match), sym_rel_comp); |
193b40aeb kconfig: sort fou... |
1028 1029 1030 1031 |
sym_arr = malloc((cnt+1) * sizeof(struct symbol)); if (!sym_arr) goto sym_re_search_free; for (i = 0; i < cnt; i++) |
508382a04 kconfig: simplify... |
1032 |
sym_arr[i] = sym_match_arr[i].sym; |
1da177e4c Linux-2.6.12-rc2 |
1033 |
sym_arr[cnt] = NULL; |
193b40aeb kconfig: sort fou... |
1034 1035 |
} sym_re_search_free: |
508382a04 kconfig: simplify... |
1036 1037 |
/* sym_match_arr can be NULL if no match, but free(NULL) is OK */ free(sym_match_arr); |
1da177e4c Linux-2.6.12-rc2 |
1038 1039 1040 1041 |
regfree(&re); return sym_arr; } |
d595cea62 kconfig: print mo... |
1042 1043 1044 1045 |
/* * When we check for recursive dependencies we use a stack to save * current state so we can print out relevant info to user. * The entries are located on the call stack so no need to free memory. |
8d9dfe827 kconfig: fix triv... |
1046 |
* Note insert() remove() must always match to properly clear the stack. |
d595cea62 kconfig: print mo... |
1047 1048 1049 1050 1051 1052 1053 1054 1055 1056 1057 1058 1059 1060 1061 1062 1063 1064 1065 1066 1067 1068 1069 1070 1071 1072 1073 1074 1075 1076 1077 1078 1079 1080 1081 1082 1083 1084 1085 1086 1087 1088 1089 1090 1091 1092 1093 1094 1095 1096 1097 1098 1099 1100 1101 1102 |
*/ static struct dep_stack { struct dep_stack *prev, *next; struct symbol *sym; struct property *prop; struct expr *expr; } *check_top; static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym) { memset(stack, 0, sizeof(*stack)); if (check_top) check_top->next = stack; stack->prev = check_top; stack->sym = sym; check_top = stack; } static void dep_stack_remove(void) { check_top = check_top->prev; if (check_top) check_top->next = NULL; } /* * Called when we have detected a recursive dependency. * check_top point to the top of the stact so we use * the ->prev pointer to locate the bottom of the stack. */ static void sym_check_print_recursive(struct symbol *last_sym) { struct dep_stack *stack; struct symbol *sym, *next_sym; struct menu *menu = NULL; struct property *prop; struct dep_stack cv_stack; if (sym_is_choice_value(last_sym)) { dep_stack_insert(&cv_stack, last_sym); last_sym = prop_get_symbol(sym_get_choice_prop(last_sym)); } for (stack = check_top; stack != NULL; stack = stack->prev) if (stack->sym == last_sym) break; if (!stack) { fprintf(stderr, "unexpected recursive dependency error "); return; } for (; stack; stack = stack->next) { sym = stack->sym; next_sym = stack->next ? stack->next->sym : last_sym; prop = stack->prop; |
3643f849d kconfig: fix segf... |
1103 1104 |
if (prop == NULL) prop = stack->sym->prop; |
d595cea62 kconfig: print mo... |
1105 1106 1107 1108 1109 1110 1111 1112 1113 1114 1115 1116 1117 |
/* for choice values find the menu entry (used below) */ if (sym_is_choice(sym) || sym_is_choice_value(sym)) { for (prop = sym->prop; prop; prop = prop->next) { menu = prop->menu; if (prop->menu) break; } } if (stack->sym == last_sym) fprintf(stderr, "%s:%d:error: recursive dependency detected! ", prop->file->name, prop->lineno); |
1c199f287 kbuild: document ... |
1118 1119 1120 1121 |
fprintf(stderr, "For a resolution refer to Documentation/kbuild/kconfig-language.txt "); fprintf(stderr, "subsection \"Kconfig recursive dependency limitations\" "); |
d595cea62 kconfig: print mo... |
1122 1123 1124 1125 1126 1127 1128 1129 1130 1131 1132 1133 1134 1135 1136 1137 1138 1139 1140 1141 1142 1143 1144 1145 1146 1147 1148 1149 1150 1151 1152 1153 1154 1155 1156 1157 1158 |
if (stack->expr) { fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s ", prop->file->name, prop->lineno, sym->name ? sym->name : "<choice>", prop_get_type_name(prop->type), next_sym->name ? next_sym->name : "<choice>"); } else if (stack->prop) { fprintf(stderr, "%s:%d:\tsymbol %s depends on %s ", prop->file->name, prop->lineno, sym->name ? sym->name : "<choice>", next_sym->name ? next_sym->name : "<choice>"); } else if (sym_is_choice(sym)) { fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s ", menu->file->name, menu->lineno, sym->name ? sym->name : "<choice>", next_sym->name ? next_sym->name : "<choice>"); } else if (sym_is_choice_value(sym)) { fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s ", menu->file->name, menu->lineno, sym->name ? sym->name : "<choice>", next_sym->name ? next_sym->name : "<choice>"); } else { fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s ", prop->file->name, prop->lineno, sym->name ? sym->name : "<choice>", next_sym->name ? next_sym->name : "<choice>"); } } if (check_top == &cv_stack) dep_stack_remove(); } |
1da177e4c Linux-2.6.12-rc2 |
1159 |
|
1da177e4c Linux-2.6.12-rc2 |
1160 1161 1162 1163 1164 1165 1166 1167 1168 1169 1170 1171 1172 1173 1174 1175 |
static struct symbol *sym_check_expr_deps(struct expr *e) { struct symbol *sym; if (!e) return NULL; switch (e->type) { case E_OR: case E_AND: sym = sym_check_expr_deps(e->left.expr); if (sym) return sym; return sym_check_expr_deps(e->right.expr); case E_NOT: return sym_check_expr_deps(e->left.expr); case E_EQUAL: |
31847b67b kconfig: allow us... |
1176 1177 1178 1179 |
case E_GEQ: case E_GTH: case E_LEQ: case E_LTH: |
1da177e4c Linux-2.6.12-rc2 |
1180 1181 1182 1183 1184 1185 1186 1187 1188 1189 1190 1191 1192 1193 |
case E_UNEQUAL: sym = sym_check_deps(e->left.sym); if (sym) return sym; return sym_check_deps(e->right.sym); case E_SYMBOL: return sym_check_deps(e->left.sym); default: break; } printf("Oops! How to check %d? ", e->type); return NULL; } |
5447d34b0 kconfig: error ou... |
1194 |
/* return NULL when dependencies are OK */ |
489811788 kconfig: fix choi... |
1195 |
static struct symbol *sym_check_sym_deps(struct symbol *sym) |
1da177e4c Linux-2.6.12-rc2 |
1196 1197 1198 |
{ struct symbol *sym2; struct property *prop; |
d595cea62 kconfig: print mo... |
1199 1200 1201 |
struct dep_stack stack; dep_stack_insert(&stack, sym); |
1da177e4c Linux-2.6.12-rc2 |
1202 |
|
1da177e4c Linux-2.6.12-rc2 |
1203 1204 |
sym2 = sym_check_expr_deps(sym->rev_dep.expr); if (sym2) |
d595cea62 kconfig: print mo... |
1205 |
goto out; |
1da177e4c Linux-2.6.12-rc2 |
1206 1207 1208 1209 |
for (prop = sym->prop; prop; prop = prop->next) { if (prop->type == P_CHOICE || prop->type == P_SELECT) continue; |
d595cea62 kconfig: print mo... |
1210 |
stack.prop = prop; |
1da177e4c Linux-2.6.12-rc2 |
1211 1212 |
sym2 = sym_check_expr_deps(prop->visible.expr); if (sym2) |
489811788 kconfig: fix choi... |
1213 |
break; |
1da177e4c Linux-2.6.12-rc2 |
1214 1215 |
if (prop->type != P_DEFAULT || sym_is_choice(sym)) continue; |
d595cea62 kconfig: print mo... |
1216 |
stack.expr = prop->expr; |
1da177e4c Linux-2.6.12-rc2 |
1217 1218 |
sym2 = sym_check_expr_deps(prop->expr); if (sym2) |
489811788 kconfig: fix choi... |
1219 |
break; |
d595cea62 kconfig: print mo... |
1220 |
stack.expr = NULL; |
1da177e4c Linux-2.6.12-rc2 |
1221 |
} |
489811788 kconfig: fix choi... |
1222 |
|
d595cea62 kconfig: print mo... |
1223 1224 |
out: dep_stack_remove(); |
489811788 kconfig: fix choi... |
1225 1226 1227 1228 1229 1230 1231 1232 |
return sym2; } static struct symbol *sym_check_choice_deps(struct symbol *choice) { struct symbol *sym, *sym2; struct property *prop; struct expr *e; |
d595cea62 kconfig: print mo... |
1233 1234 1235 |
struct dep_stack stack; dep_stack_insert(&stack, choice); |
489811788 kconfig: fix choi... |
1236 1237 1238 1239 1240 1241 1242 1243 |
prop = sym_get_choice_prop(choice); expr_list_for_each_sym(prop->expr, e, sym) sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); choice->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); sym2 = sym_check_sym_deps(choice); choice->flags &= ~SYMBOL_CHECK; |
5447d34b0 kconfig: error ou... |
1244 |
if (sym2) |
489811788 kconfig: fix choi... |
1245 1246 1247 1248 |
goto out; expr_list_for_each_sym(prop->expr, e, sym) { sym2 = sym_check_sym_deps(sym); |
d595cea62 kconfig: print mo... |
1249 |
if (sym2) |
489811788 kconfig: fix choi... |
1250 |
break; |
489811788 kconfig: fix choi... |
1251 1252 1253 1254 1255 1256 1257 1258 |
} out: expr_list_for_each_sym(prop->expr, e, sym) sym->flags &= ~SYMBOL_CHECK; if (sym2 && sym_is_choice_value(sym2) && prop_get_symbol(sym_get_choice_prop(sym2)) == choice) sym2 = choice; |
d595cea62 kconfig: print mo... |
1259 |
dep_stack_remove(); |
489811788 kconfig: fix choi... |
1260 1261 1262 1263 1264 1265 1266 1267 1268 |
return sym2; } struct symbol *sym_check_deps(struct symbol *sym) { struct symbol *sym2; struct property *prop; if (sym->flags & SYMBOL_CHECK) { |
d595cea62 kconfig: print mo... |
1269 |
sym_check_print_recursive(sym); |
489811788 kconfig: fix choi... |
1270 1271 1272 1273 1274 1275 |
return sym; } if (sym->flags & SYMBOL_CHECKED) return NULL; if (sym_is_choice_value(sym)) { |
d595cea62 kconfig: print mo... |
1276 |
struct dep_stack stack; |
489811788 kconfig: fix choi... |
1277 |
/* for choice groups start the check with main choice symbol */ |
d595cea62 kconfig: print mo... |
1278 |
dep_stack_insert(&stack, sym); |
489811788 kconfig: fix choi... |
1279 1280 |
prop = sym_get_choice_prop(sym); sym2 = sym_check_deps(prop_get_symbol(prop)); |
d595cea62 kconfig: print mo... |
1281 |
dep_stack_remove(); |
489811788 kconfig: fix choi... |
1282 1283 1284 1285 1286 1287 1288 |
} else if (sym_is_choice(sym)) { sym2 = sym_check_choice_deps(sym); } else { sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); sym2 = sym_check_sym_deps(sym); sym->flags &= ~SYMBOL_CHECK; } |
d595cea62 kconfig: print mo... |
1289 1290 |
if (sym2 && sym2 == sym) sym2 = NULL; |
489811788 kconfig: fix choi... |
1291 |
|
1da177e4c Linux-2.6.12-rc2 |
1292 1293 1294 1295 1296 1297 1298 |
return sym2; } struct property *prop_alloc(enum prop_type type, struct symbol *sym) { struct property *prop; struct property **propp; |
177acf784 kconfig: Fix mall... |
1299 |
prop = xmalloc(sizeof(*prop)); |
1da177e4c Linux-2.6.12-rc2 |
1300 1301 1302 1303 1304 1305 1306 1307 1308 1309 1310 1311 1312 1313 1314 1315 1316 1317 1318 |
memset(prop, 0, sizeof(*prop)); prop->type = type; prop->sym = sym; prop->file = current_file; prop->lineno = zconf_lineno(); /* append property to the prop list of symbol */ if (sym) { for (propp = &sym->prop; *propp; propp = &(*propp)->next) ; *propp = prop; } return prop; } struct symbol *prop_get_symbol(struct property *prop) { if (prop->expr && (prop->expr->type == E_SYMBOL || |
7a9629233 kconfig: explicit... |
1319 |
prop->expr->type == E_LIST)) |
1da177e4c Linux-2.6.12-rc2 |
1320 1321 1322 1323 1324 1325 1326 1327 1328 |
return prop->expr->left.sym; return NULL; } const char *prop_get_type_name(enum prop_type type) { switch (type) { case P_PROMPT: return "prompt"; |
93449082e kconfig: environm... |
1329 1330 |
case P_ENV: return "env"; |
1da177e4c Linux-2.6.12-rc2 |
1331 1332 1333 1334 1335 1336 1337 1338 1339 1340 |
case P_COMMENT: return "comment"; case P_MENU: return "menu"; case P_DEFAULT: return "default"; case P_CHOICE: return "choice"; case P_SELECT: return "select"; |
237e3ad0f Kconfig: Introduc... |
1341 1342 |
case P_IMPLY: return "imply"; |
1da177e4c Linux-2.6.12-rc2 |
1343 1344 |
case P_RANGE: return "range"; |
59e89e3dd kconfig: save loc... |
1345 1346 |
case P_SYMBOL: return "symbol"; |
1da177e4c Linux-2.6.12-rc2 |
1347 1348 1349 1350 1351 |
case P_UNKNOWN: break; } return "unknown"; } |
93449082e kconfig: environm... |
1352 |
|
4356f4890 kbuild: add stati... |
1353 |
static void prop_add_env(const char *env) |
93449082e kconfig: environm... |
1354 1355 1356 1357 1358 1359 1360 1361 1362 1363 1364 1365 1366 1367 1368 1369 |
{ struct symbol *sym, *sym2; struct property *prop; char *p; sym = current_entry->sym; sym->flags |= SYMBOL_AUTO; for_all_properties(sym, prop, P_ENV) { sym2 = prop_get_symbol(prop); if (strcmp(sym2->name, env)) menu_warn(current_entry, "redefining environment symbol from %s", sym2->name); return; } prop = prop_alloc(P_ENV, sym); |
5a1aa8a1a kconfig: add name... |
1370 |
prop->expr = expr_alloc_symbol(sym_lookup(env, SYMBOL_CONST)); |
93449082e kconfig: environm... |
1371 1372 1373 1374 1375 1376 1377 1378 1379 1380 |
sym_env_list = expr_alloc_one(E_LIST, sym_env_list); sym_env_list->right.sym = sym; p = getenv(env); if (p) sym_add_default(sym, p); else menu_warn(current_entry, "environment variable %s undefined", env); } |