Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1 | // SPDX-License-Identifier: GPL-2.0 |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 2 | /* |
| 3 | * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 4 | */ |
| 5 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 6 | #include <sys/types.h> |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 7 | #include <ctype.h> |
| 8 | #include <stdlib.h> |
| 9 | #include <string.h> |
| 10 | #include <regex.h> |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 11 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 12 | #include "lkc.h" |
| 13 | |
| 14 | struct symbol symbol_yes = { |
| 15 | .name = "y", |
| 16 | .curr = { "y", yes }, |
| 17 | .flags = SYMBOL_CONST|SYMBOL_VALID, |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 18 | }; |
| 19 | |
| 20 | struct symbol symbol_mod = { |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 21 | .name = "m", |
| 22 | .curr = { "m", mod }, |
| 23 | .flags = SYMBOL_CONST|SYMBOL_VALID, |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 24 | }; |
| 25 | |
| 26 | struct symbol symbol_no = { |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 27 | .name = "n", |
| 28 | .curr = { "n", no }, |
| 29 | .flags = SYMBOL_CONST|SYMBOL_VALID, |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 30 | }; |
| 31 | |
| 32 | static struct symbol symbol_empty = { |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 33 | .name = "", |
| 34 | .curr = { "", no }, |
| 35 | .flags = SYMBOL_VALID, |
| 36 | }; |
| 37 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 38 | struct symbol *modules_sym; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 39 | static tristate modules_val; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 40 | |
| 41 | enum symbol_type sym_get_type(struct symbol *sym) |
| 42 | { |
| 43 | enum symbol_type type = sym->type; |
| 44 | |
| 45 | if (type == S_TRISTATE) { |
| 46 | if (sym_is_choice_value(sym) && sym->visible == yes) |
| 47 | type = S_BOOLEAN; |
| 48 | else if (modules_val == no) |
| 49 | type = S_BOOLEAN; |
| 50 | } |
| 51 | return type; |
| 52 | } |
| 53 | |
| 54 | const char *sym_type_name(enum symbol_type type) |
| 55 | { |
| 56 | switch (type) { |
| 57 | case S_BOOLEAN: |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 58 | return "bool"; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 59 | case S_TRISTATE: |
| 60 | return "tristate"; |
| 61 | case S_INT: |
| 62 | return "integer"; |
| 63 | case S_HEX: |
| 64 | return "hex"; |
| 65 | case S_STRING: |
| 66 | return "string"; |
| 67 | case S_UNKNOWN: |
| 68 | return "unknown"; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 69 | } |
| 70 | return "???"; |
| 71 | } |
| 72 | |
| 73 | struct property *sym_get_choice_prop(struct symbol *sym) |
| 74 | { |
| 75 | struct property *prop; |
| 76 | |
| 77 | for_all_choices(sym, prop) |
| 78 | return prop; |
| 79 | return NULL; |
| 80 | } |
| 81 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 82 | static struct property *sym_get_default_prop(struct symbol *sym) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 83 | { |
| 84 | struct property *prop; |
| 85 | |
| 86 | for_all_defaults(sym, prop) { |
| 87 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
| 88 | if (prop->visible.tri != no) |
| 89 | return prop; |
| 90 | } |
| 91 | return NULL; |
| 92 | } |
| 93 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 94 | struct property *sym_get_range_prop(struct symbol *sym) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 95 | { |
| 96 | struct property *prop; |
| 97 | |
| 98 | for_all_properties(sym, prop, P_RANGE) { |
| 99 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
| 100 | if (prop->visible.tri != no) |
| 101 | return prop; |
| 102 | } |
| 103 | return NULL; |
| 104 | } |
| 105 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 106 | static long long sym_get_range_val(struct symbol *sym, int base) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 107 | { |
| 108 | sym_calc_value(sym); |
| 109 | switch (sym->type) { |
| 110 | case S_INT: |
| 111 | base = 10; |
| 112 | break; |
| 113 | case S_HEX: |
| 114 | base = 16; |
| 115 | break; |
| 116 | default: |
| 117 | break; |
| 118 | } |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 119 | return strtoll(sym->curr.val, NULL, base); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | static void sym_validate_range(struct symbol *sym) |
| 123 | { |
| 124 | struct property *prop; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 125 | int base; |
| 126 | long long val, val2; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 127 | char str[64]; |
| 128 | |
| 129 | switch (sym->type) { |
| 130 | case S_INT: |
| 131 | base = 10; |
| 132 | break; |
| 133 | case S_HEX: |
| 134 | base = 16; |
| 135 | break; |
| 136 | default: |
| 137 | return; |
| 138 | } |
| 139 | prop = sym_get_range_prop(sym); |
| 140 | if (!prop) |
| 141 | return; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 142 | val = strtoll(sym->curr.val, NULL, base); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 143 | val2 = sym_get_range_val(prop->expr->left.sym, base); |
| 144 | if (val >= val2) { |
| 145 | val2 = sym_get_range_val(prop->expr->right.sym, base); |
| 146 | if (val <= val2) |
| 147 | return; |
| 148 | } |
| 149 | if (sym->type == S_INT) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 150 | sprintf(str, "%lld", val2); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 151 | else |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 152 | sprintf(str, "0x%llx", val2); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 153 | sym->curr.val = xstrdup(str); |
| 154 | } |
| 155 | |
| 156 | static void sym_set_changed(struct symbol *sym) |
| 157 | { |
| 158 | struct property *prop; |
| 159 | |
| 160 | sym->flags |= SYMBOL_CHANGED; |
| 161 | for (prop = sym->prop; prop; prop = prop->next) { |
| 162 | if (prop->menu) |
| 163 | prop->menu->flags |= MENU_CHANGED; |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | static void sym_set_all_changed(void) |
| 168 | { |
| 169 | struct symbol *sym; |
| 170 | int i; |
| 171 | |
| 172 | for_all_symbols(i, sym) |
| 173 | sym_set_changed(sym); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 174 | } |
| 175 | |
| 176 | static void sym_calc_visibility(struct symbol *sym) |
| 177 | { |
| 178 | struct property *prop; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 179 | struct symbol *choice_sym = NULL; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 180 | tristate tri; |
| 181 | |
| 182 | /* any prompt visible? */ |
| 183 | tri = no; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 184 | |
| 185 | if (sym_is_choice_value(sym)) |
| 186 | choice_sym = prop_get_symbol(sym_get_choice_prop(sym)); |
| 187 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 188 | for_all_prompts(sym, prop) { |
| 189 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 190 | /* |
| 191 | * Tristate choice_values with visibility 'mod' are |
| 192 | * not visible if the corresponding choice's value is |
| 193 | * 'yes'. |
| 194 | */ |
| 195 | if (choice_sym && sym->type == S_TRISTATE && |
| 196 | prop->visible.tri == mod && choice_sym->curr.tri == yes) |
| 197 | prop->visible.tri = no; |
| 198 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 199 | tri = EXPR_OR(tri, prop->visible.tri); |
| 200 | } |
| 201 | if (tri == mod && (sym->type != S_TRISTATE || modules_val == no)) |
| 202 | tri = yes; |
| 203 | if (sym->visible != tri) { |
| 204 | sym->visible = tri; |
| 205 | sym_set_changed(sym); |
| 206 | } |
| 207 | if (sym_is_choice_value(sym)) |
| 208 | return; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 209 | /* defaulting to "yes" if no explicit "depends on" are given */ |
| 210 | tri = yes; |
| 211 | if (sym->dir_dep.expr) |
| 212 | tri = expr_calc_value(sym->dir_dep.expr); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 213 | if (tri == mod && sym_get_type(sym) == S_BOOLEAN) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 214 | tri = yes; |
| 215 | if (sym->dir_dep.tri != tri) { |
| 216 | sym->dir_dep.tri = tri; |
| 217 | sym_set_changed(sym); |
| 218 | } |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 219 | tri = no; |
| 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) |
| 223 | tri = yes; |
| 224 | if (sym->rev_dep.tri != tri) { |
| 225 | sym->rev_dep.tri = tri; |
| 226 | sym_set_changed(sym); |
| 227 | } |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 228 | tri = no; |
| 229 | if (sym->implied.expr) |
| 230 | tri = expr_calc_value(sym->implied.expr); |
| 231 | if (tri == mod && sym_get_type(sym) == S_BOOLEAN) |
| 232 | tri = yes; |
| 233 | if (sym->implied.tri != tri) { |
| 234 | sym->implied.tri = tri; |
| 235 | sym_set_changed(sym); |
| 236 | } |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 237 | } |
| 238 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 239 | /* |
| 240 | * Find the default symbol for a choice. |
| 241 | * First try the default values for the choice symbol |
| 242 | * Next locate the first visible choice value |
| 243 | * Return NULL if none was found |
| 244 | */ |
| 245 | struct symbol *sym_choice_default(struct symbol *sym) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 246 | { |
| 247 | struct symbol *def_sym; |
| 248 | struct property *prop; |
| 249 | struct expr *e; |
| 250 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 251 | /* any of the defaults visible? */ |
| 252 | for_all_defaults(sym, prop) { |
| 253 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
| 254 | if (prop->visible.tri == no) |
| 255 | continue; |
| 256 | def_sym = prop_get_symbol(prop); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 257 | if (def_sym->visible != no) |
| 258 | return def_sym; |
| 259 | } |
| 260 | |
| 261 | /* just get the first visible value */ |
| 262 | prop = sym_get_choice_prop(sym); |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 263 | expr_list_for_each_sym(prop->expr, e, def_sym) |
| 264 | if (def_sym->visible != no) |
| 265 | return def_sym; |
| 266 | |
| 267 | /* failed to locate any defaults */ |
| 268 | return NULL; |
| 269 | } |
| 270 | |
| 271 | static struct symbol *sym_calc_choice(struct symbol *sym) |
| 272 | { |
| 273 | struct symbol *def_sym; |
| 274 | struct property *prop; |
| 275 | struct expr *e; |
| 276 | int flags; |
| 277 | |
| 278 | /* first calculate all choice values' visibilities */ |
| 279 | flags = sym->flags; |
| 280 | prop = sym_get_choice_prop(sym); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 281 | expr_list_for_each_sym(prop->expr, e, def_sym) { |
| 282 | sym_calc_visibility(def_sym); |
| 283 | if (def_sym->visible != no) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 284 | flags &= def_sym->flags; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 285 | } |
| 286 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 287 | sym->flags &= flags | ~SYMBOL_DEF_USER; |
| 288 | |
| 289 | /* is the user choice visible? */ |
| 290 | def_sym = sym->def[S_DEF_USER].val; |
| 291 | if (def_sym && def_sym->visible != no) |
| 292 | return def_sym; |
| 293 | |
| 294 | def_sym = sym_choice_default(sym); |
| 295 | |
| 296 | if (def_sym == NULL) |
| 297 | /* no choice? reset tristate value */ |
| 298 | sym->curr.tri = no; |
| 299 | |
| 300 | return def_sym; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 301 | } |
| 302 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 303 | static void sym_warn_unmet_dep(struct symbol *sym) |
| 304 | { |
| 305 | struct gstr gs = str_new(); |
| 306 | |
| 307 | str_printf(&gs, |
| 308 | "\nWARNING: unmet direct dependencies detected for %s\n", |
| 309 | sym->name); |
| 310 | str_printf(&gs, |
| 311 | " Depends on [%c]: ", |
| 312 | sym->dir_dep.tri == mod ? 'm' : 'n'); |
| 313 | expr_gstr_print(sym->dir_dep.expr, &gs); |
| 314 | str_printf(&gs, "\n"); |
| 315 | |
| 316 | expr_gstr_print_revdep(sym->rev_dep.expr, &gs, yes, |
| 317 | " Selected by [y]:\n"); |
| 318 | expr_gstr_print_revdep(sym->rev_dep.expr, &gs, mod, |
| 319 | " Selected by [m]:\n"); |
| 320 | |
| 321 | fputs(str_get(&gs), stderr); |
| 322 | kconfig_warnings++; |
| 323 | } |
| 324 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 325 | void sym_calc_value(struct symbol *sym) |
| 326 | { |
| 327 | struct symbol_value newval, oldval; |
| 328 | struct property *prop; |
| 329 | struct expr *e; |
| 330 | |
| 331 | if (!sym) |
| 332 | return; |
| 333 | |
| 334 | if (sym->flags & SYMBOL_VALID) |
| 335 | return; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 336 | |
| 337 | if (sym_is_choice_value(sym) && |
| 338 | sym->flags & SYMBOL_NEED_SET_CHOICE_VALUES) { |
| 339 | sym->flags &= ~SYMBOL_NEED_SET_CHOICE_VALUES; |
| 340 | prop = sym_get_choice_prop(sym); |
| 341 | sym_calc_value(prop_get_symbol(prop)); |
| 342 | } |
| 343 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 344 | sym->flags |= SYMBOL_VALID; |
| 345 | |
| 346 | oldval = sym->curr; |
| 347 | |
| 348 | switch (sym->type) { |
| 349 | case S_INT: |
| 350 | case S_HEX: |
| 351 | case S_STRING: |
| 352 | newval = symbol_empty.curr; |
| 353 | break; |
| 354 | case S_BOOLEAN: |
| 355 | case S_TRISTATE: |
| 356 | newval = symbol_no.curr; |
| 357 | break; |
| 358 | default: |
| 359 | sym->curr.val = sym->name; |
| 360 | sym->curr.tri = no; |
| 361 | return; |
| 362 | } |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 363 | sym->flags &= ~SYMBOL_WRITE; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 364 | |
| 365 | sym_calc_visibility(sym); |
| 366 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 367 | if (sym->visible != no) |
| 368 | sym->flags |= SYMBOL_WRITE; |
| 369 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 370 | /* set default if recursively called */ |
| 371 | sym->curr = newval; |
| 372 | |
| 373 | switch (sym_get_type(sym)) { |
| 374 | case S_BOOLEAN: |
| 375 | case S_TRISTATE: |
| 376 | if (sym_is_choice_value(sym) && sym->visible == yes) { |
| 377 | prop = sym_get_choice_prop(sym); |
| 378 | newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no; |
| 379 | } else { |
| 380 | if (sym->visible != no) { |
| 381 | /* if the symbol is visible use the user value |
| 382 | * if available, otherwise try the default value |
| 383 | */ |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 384 | if (sym_has_value(sym)) { |
| 385 | newval.tri = EXPR_AND(sym->def[S_DEF_USER].tri, |
| 386 | sym->visible); |
| 387 | goto calc_newval; |
| 388 | } |
| 389 | } |
| 390 | if (sym->rev_dep.tri != no) |
| 391 | sym->flags |= SYMBOL_WRITE; |
| 392 | if (!sym_is_choice(sym)) { |
| 393 | prop = sym_get_default_prop(sym); |
| 394 | if (prop) { |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 395 | newval.tri = EXPR_AND(expr_calc_value(prop->expr), |
| 396 | prop->visible.tri); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 397 | if (newval.tri != no) |
| 398 | sym->flags |= SYMBOL_WRITE; |
| 399 | } |
| 400 | if (sym->implied.tri != no) { |
| 401 | sym->flags |= SYMBOL_WRITE; |
| 402 | newval.tri = EXPR_OR(newval.tri, sym->implied.tri); |
| 403 | newval.tri = EXPR_AND(newval.tri, |
| 404 | sym->dir_dep.tri); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 405 | } |
| 406 | } |
| 407 | calc_newval: |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 408 | if (sym->dir_dep.tri < sym->rev_dep.tri) |
| 409 | sym_warn_unmet_dep(sym); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 410 | newval.tri = EXPR_OR(newval.tri, sym->rev_dep.tri); |
| 411 | } |
| 412 | if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN) |
| 413 | newval.tri = yes; |
| 414 | break; |
| 415 | case S_STRING: |
| 416 | case S_HEX: |
| 417 | case S_INT: |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 418 | if (sym->visible != no && sym_has_value(sym)) { |
| 419 | newval.val = sym->def[S_DEF_USER].val; |
| 420 | break; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 421 | } |
| 422 | prop = sym_get_default_prop(sym); |
| 423 | if (prop) { |
| 424 | struct symbol *ds = prop_get_symbol(prop); |
| 425 | if (ds) { |
| 426 | sym->flags |= SYMBOL_WRITE; |
| 427 | sym_calc_value(ds); |
| 428 | newval.val = ds->curr.val; |
| 429 | } |
| 430 | } |
| 431 | break; |
| 432 | default: |
| 433 | ; |
| 434 | } |
| 435 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 436 | sym->curr = newval; |
| 437 | if (sym_is_choice(sym) && newval.tri == yes) |
| 438 | sym->curr.val = sym_calc_choice(sym); |
| 439 | sym_validate_range(sym); |
| 440 | |
| 441 | if (memcmp(&oldval, &sym->curr, sizeof(oldval))) { |
| 442 | sym_set_changed(sym); |
| 443 | if (modules_sym == sym) { |
| 444 | sym_set_all_changed(); |
| 445 | modules_val = modules_sym->curr.tri; |
| 446 | } |
| 447 | } |
| 448 | |
| 449 | if (sym_is_choice(sym)) { |
| 450 | struct symbol *choice_sym; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 451 | |
| 452 | prop = sym_get_choice_prop(sym); |
| 453 | expr_list_for_each_sym(prop->expr, e, choice_sym) { |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 454 | if ((sym->flags & SYMBOL_WRITE) && |
| 455 | choice_sym->visible != no) |
| 456 | choice_sym->flags |= SYMBOL_WRITE; |
| 457 | if (sym->flags & SYMBOL_CHANGED) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 458 | sym_set_changed(choice_sym); |
| 459 | } |
| 460 | } |
Roman Zippel | 543aa7b | 2008-02-29 05:11:50 +0100 | [diff] [blame] | 461 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 462 | if (sym->flags & SYMBOL_NO_WRITE) |
Roman Zippel | 543aa7b | 2008-02-29 05:11:50 +0100 | [diff] [blame] | 463 | sym->flags &= ~SYMBOL_WRITE; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 464 | |
| 465 | if (sym->flags & SYMBOL_NEED_SET_CHOICE_VALUES) |
| 466 | set_all_choice_values(sym); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 467 | } |
| 468 | |
| 469 | void sym_clear_all_valid(void) |
| 470 | { |
| 471 | struct symbol *sym; |
| 472 | int i; |
| 473 | |
| 474 | for_all_symbols(i, sym) |
| 475 | sym->flags &= ~SYMBOL_VALID; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 476 | conf_set_changed(true); |
| 477 | sym_calc_value(modules_sym); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 478 | } |
| 479 | |
| 480 | bool sym_tristate_within_range(struct symbol *sym, tristate val) |
| 481 | { |
| 482 | int type = sym_get_type(sym); |
| 483 | |
| 484 | if (sym->visible == no) |
| 485 | return false; |
| 486 | |
| 487 | if (type != S_BOOLEAN && type != S_TRISTATE) |
| 488 | return false; |
| 489 | |
| 490 | if (type == S_BOOLEAN && val == mod) |
| 491 | return false; |
| 492 | if (sym->visible <= sym->rev_dep.tri) |
| 493 | return false; |
| 494 | if (sym_is_choice_value(sym) && sym->visible == yes) |
| 495 | return val == yes; |
| 496 | return val >= sym->rev_dep.tri && val <= sym->visible; |
| 497 | } |
| 498 | |
| 499 | bool sym_set_tristate_value(struct symbol *sym, tristate val) |
| 500 | { |
| 501 | tristate oldval = sym_get_tristate_value(sym); |
| 502 | |
| 503 | if (oldval != val && !sym_tristate_within_range(sym, val)) |
| 504 | return false; |
| 505 | |
| 506 | if (!(sym->flags & SYMBOL_DEF_USER)) { |
| 507 | sym->flags |= SYMBOL_DEF_USER; |
| 508 | sym_set_changed(sym); |
| 509 | } |
| 510 | /* |
| 511 | * setting a choice value also resets the new flag of the choice |
| 512 | * symbol and all other choice values. |
| 513 | */ |
| 514 | if (sym_is_choice_value(sym) && val == yes) { |
| 515 | struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); |
| 516 | struct property *prop; |
| 517 | struct expr *e; |
| 518 | |
| 519 | cs->def[S_DEF_USER].val = sym; |
| 520 | cs->flags |= SYMBOL_DEF_USER; |
| 521 | prop = sym_get_choice_prop(cs); |
| 522 | for (e = prop->expr; e; e = e->left.expr) { |
| 523 | if (e->right.sym->visible != no) |
| 524 | e->right.sym->flags |= SYMBOL_DEF_USER; |
| 525 | } |
| 526 | } |
| 527 | |
| 528 | sym->def[S_DEF_USER].tri = val; |
| 529 | if (oldval != val) |
| 530 | sym_clear_all_valid(); |
| 531 | |
| 532 | return true; |
| 533 | } |
| 534 | |
| 535 | tristate sym_toggle_tristate_value(struct symbol *sym) |
| 536 | { |
| 537 | tristate oldval, newval; |
| 538 | |
| 539 | oldval = newval = sym_get_tristate_value(sym); |
| 540 | do { |
| 541 | switch (newval) { |
| 542 | case no: |
| 543 | newval = mod; |
| 544 | break; |
| 545 | case mod: |
| 546 | newval = yes; |
| 547 | break; |
| 548 | case yes: |
| 549 | newval = no; |
| 550 | break; |
| 551 | } |
| 552 | if (sym_set_tristate_value(sym, newval)) |
| 553 | break; |
| 554 | } while (oldval != newval); |
| 555 | return newval; |
| 556 | } |
| 557 | |
| 558 | bool sym_string_valid(struct symbol *sym, const char *str) |
| 559 | { |
| 560 | signed char ch; |
| 561 | |
| 562 | switch (sym->type) { |
| 563 | case S_STRING: |
| 564 | return true; |
| 565 | case S_INT: |
| 566 | ch = *str++; |
| 567 | if (ch == '-') |
| 568 | ch = *str++; |
| 569 | if (!isdigit(ch)) |
| 570 | return false; |
| 571 | if (ch == '0' && *str != 0) |
| 572 | return false; |
| 573 | while ((ch = *str++)) { |
| 574 | if (!isdigit(ch)) |
| 575 | return false; |
| 576 | } |
| 577 | return true; |
| 578 | case S_HEX: |
| 579 | if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) |
| 580 | str += 2; |
| 581 | ch = *str++; |
| 582 | do { |
| 583 | if (!isxdigit(ch)) |
| 584 | return false; |
| 585 | } while ((ch = *str++)); |
| 586 | return true; |
| 587 | case S_BOOLEAN: |
| 588 | case S_TRISTATE: |
| 589 | switch (str[0]) { |
| 590 | case 'y': case 'Y': |
| 591 | case 'm': case 'M': |
| 592 | case 'n': case 'N': |
| 593 | return true; |
| 594 | } |
| 595 | return false; |
| 596 | default: |
| 597 | return false; |
| 598 | } |
| 599 | } |
| 600 | |
| 601 | bool sym_string_within_range(struct symbol *sym, const char *str) |
| 602 | { |
| 603 | struct property *prop; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 604 | long long val; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 605 | |
| 606 | switch (sym->type) { |
| 607 | case S_STRING: |
| 608 | return sym_string_valid(sym, str); |
| 609 | case S_INT: |
| 610 | if (!sym_string_valid(sym, str)) |
| 611 | return false; |
| 612 | prop = sym_get_range_prop(sym); |
| 613 | if (!prop) |
| 614 | return true; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 615 | val = strtoll(str, NULL, 10); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 616 | return val >= sym_get_range_val(prop->expr->left.sym, 10) && |
| 617 | val <= sym_get_range_val(prop->expr->right.sym, 10); |
| 618 | case S_HEX: |
| 619 | if (!sym_string_valid(sym, str)) |
| 620 | return false; |
| 621 | prop = sym_get_range_prop(sym); |
| 622 | if (!prop) |
| 623 | return true; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 624 | val = strtoll(str, NULL, 16); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 625 | return val >= sym_get_range_val(prop->expr->left.sym, 16) && |
| 626 | val <= sym_get_range_val(prop->expr->right.sym, 16); |
| 627 | case S_BOOLEAN: |
| 628 | case S_TRISTATE: |
| 629 | switch (str[0]) { |
| 630 | case 'y': case 'Y': |
| 631 | return sym_tristate_within_range(sym, yes); |
| 632 | case 'm': case 'M': |
| 633 | return sym_tristate_within_range(sym, mod); |
| 634 | case 'n': case 'N': |
| 635 | return sym_tristate_within_range(sym, no); |
| 636 | } |
| 637 | return false; |
| 638 | default: |
| 639 | return false; |
| 640 | } |
| 641 | } |
| 642 | |
| 643 | bool sym_set_string_value(struct symbol *sym, const char *newval) |
| 644 | { |
| 645 | const char *oldval; |
| 646 | char *val; |
| 647 | int size; |
| 648 | |
| 649 | switch (sym->type) { |
| 650 | case S_BOOLEAN: |
| 651 | case S_TRISTATE: |
| 652 | switch (newval[0]) { |
| 653 | case 'y': case 'Y': |
| 654 | return sym_set_tristate_value(sym, yes); |
| 655 | case 'm': case 'M': |
| 656 | return sym_set_tristate_value(sym, mod); |
| 657 | case 'n': case 'N': |
| 658 | return sym_set_tristate_value(sym, no); |
| 659 | } |
| 660 | return false; |
| 661 | default: |
| 662 | ; |
| 663 | } |
| 664 | |
| 665 | if (!sym_string_within_range(sym, newval)) |
| 666 | return false; |
| 667 | |
| 668 | if (!(sym->flags & SYMBOL_DEF_USER)) { |
| 669 | sym->flags |= SYMBOL_DEF_USER; |
| 670 | sym_set_changed(sym); |
| 671 | } |
| 672 | |
| 673 | oldval = sym->def[S_DEF_USER].val; |
| 674 | size = strlen(newval) + 1; |
| 675 | if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) { |
| 676 | size += 2; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 677 | sym->def[S_DEF_USER].val = val = xmalloc(size); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 678 | *val++ = '0'; |
| 679 | *val++ = 'x'; |
| 680 | } else if (!oldval || strcmp(oldval, newval)) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 681 | sym->def[S_DEF_USER].val = val = xmalloc(size); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 682 | else |
| 683 | return true; |
| 684 | |
| 685 | strcpy(val, newval); |
| 686 | free((void *)oldval); |
| 687 | sym_clear_all_valid(); |
| 688 | |
| 689 | return true; |
| 690 | } |
| 691 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 692 | /* |
| 693 | * Find the default value associated to a symbol. |
| 694 | * For tristate symbol handle the modules=n case |
| 695 | * in which case "m" becomes "y". |
| 696 | * If the symbol does not have any default then fallback |
| 697 | * to the fixed default values. |
| 698 | */ |
| 699 | const char *sym_get_string_default(struct symbol *sym) |
| 700 | { |
| 701 | struct property *prop; |
| 702 | struct symbol *ds; |
| 703 | const char *str; |
| 704 | tristate val; |
| 705 | |
| 706 | sym_calc_visibility(sym); |
| 707 | sym_calc_value(modules_sym); |
| 708 | val = symbol_no.curr.tri; |
| 709 | str = symbol_empty.curr.val; |
| 710 | |
| 711 | /* If symbol has a default value look it up */ |
| 712 | prop = sym_get_default_prop(sym); |
| 713 | if (prop != NULL) { |
| 714 | switch (sym->type) { |
| 715 | case S_BOOLEAN: |
| 716 | case S_TRISTATE: |
| 717 | /* The visibility may limit the value from yes => mod */ |
| 718 | val = EXPR_AND(expr_calc_value(prop->expr), prop->visible.tri); |
| 719 | break; |
| 720 | default: |
| 721 | /* |
| 722 | * The following fails to handle the situation |
| 723 | * where a default value is further limited by |
| 724 | * the valid range. |
| 725 | */ |
| 726 | ds = prop_get_symbol(prop); |
| 727 | if (ds != NULL) { |
| 728 | sym_calc_value(ds); |
| 729 | str = (const char *)ds->curr.val; |
| 730 | } |
| 731 | } |
| 732 | } |
| 733 | |
| 734 | /* Handle select statements */ |
| 735 | val = EXPR_OR(val, sym->rev_dep.tri); |
| 736 | |
| 737 | /* transpose mod to yes if modules are not enabled */ |
| 738 | if (val == mod) |
| 739 | if (!sym_is_choice_value(sym) && modules_sym->curr.tri == no) |
| 740 | val = yes; |
| 741 | |
| 742 | /* transpose mod to yes if type is bool */ |
| 743 | if (sym->type == S_BOOLEAN && val == mod) |
| 744 | val = yes; |
| 745 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 746 | /* adjust the default value if this symbol is implied by another */ |
| 747 | if (val < sym->implied.tri) |
| 748 | val = sym->implied.tri; |
| 749 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 750 | switch (sym->type) { |
| 751 | case S_BOOLEAN: |
| 752 | case S_TRISTATE: |
| 753 | switch (val) { |
| 754 | case no: return "n"; |
| 755 | case mod: return "m"; |
| 756 | case yes: return "y"; |
| 757 | } |
| 758 | case S_INT: |
| 759 | case S_HEX: |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 760 | return "0"; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 761 | case S_STRING: |
| 762 | return str; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 763 | case S_UNKNOWN: |
| 764 | break; |
| 765 | } |
| 766 | return ""; |
| 767 | } |
| 768 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 769 | const char *sym_get_string_value(struct symbol *sym) |
| 770 | { |
| 771 | tristate val; |
| 772 | |
| 773 | switch (sym->type) { |
| 774 | case S_BOOLEAN: |
| 775 | case S_TRISTATE: |
| 776 | val = sym_get_tristate_value(sym); |
| 777 | switch (val) { |
| 778 | case no: |
| 779 | return "n"; |
| 780 | case mod: |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 781 | sym_calc_value(modules_sym); |
| 782 | return (modules_sym->curr.tri == no) ? "n" : "m"; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 783 | case yes: |
| 784 | return "y"; |
| 785 | } |
| 786 | break; |
| 787 | default: |
| 788 | ; |
| 789 | } |
| 790 | return (const char *)sym->curr.val; |
| 791 | } |
| 792 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 793 | bool sym_is_changeable(struct symbol *sym) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 794 | { |
| 795 | return sym->visible > sym->rev_dep.tri; |
| 796 | } |
| 797 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 798 | static unsigned strhash(const char *s) |
| 799 | { |
| 800 | /* fnv32 hash */ |
| 801 | unsigned hash = 2166136261U; |
| 802 | for (; *s; s++) |
| 803 | hash = (hash ^ *s) * 0x01000193; |
| 804 | return hash; |
| 805 | } |
| 806 | |
Roman Zippel | 543aa7b | 2008-02-29 05:11:50 +0100 | [diff] [blame] | 807 | struct symbol *sym_lookup(const char *name, int flags) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 808 | { |
| 809 | struct symbol *symbol; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 810 | char *new_name; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 811 | int hash; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 812 | |
| 813 | if (name) { |
| 814 | if (name[0] && !name[1]) { |
| 815 | switch (name[0]) { |
| 816 | case 'y': return &symbol_yes; |
| 817 | case 'm': return &symbol_mod; |
| 818 | case 'n': return &symbol_no; |
| 819 | } |
| 820 | } |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 821 | hash = strhash(name) % SYMBOL_HASHSIZE; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 822 | |
| 823 | for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 824 | if (symbol->name && |
| 825 | !strcmp(symbol->name, name) && |
Roman Zippel | 543aa7b | 2008-02-29 05:11:50 +0100 | [diff] [blame] | 826 | (flags ? symbol->flags & flags |
| 827 | : !(symbol->flags & (SYMBOL_CONST|SYMBOL_CHOICE)))) |
| 828 | return symbol; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 829 | } |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 830 | new_name = xstrdup(name); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 831 | } else { |
| 832 | new_name = NULL; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 833 | hash = 0; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 834 | } |
| 835 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 836 | symbol = xmalloc(sizeof(*symbol)); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 837 | memset(symbol, 0, sizeof(*symbol)); |
| 838 | symbol->name = new_name; |
| 839 | symbol->type = S_UNKNOWN; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 840 | symbol->flags = flags; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 841 | |
| 842 | symbol->next = symbol_hash[hash]; |
| 843 | symbol_hash[hash] = symbol; |
| 844 | |
| 845 | return symbol; |
| 846 | } |
| 847 | |
| 848 | struct symbol *sym_find(const char *name) |
| 849 | { |
| 850 | struct symbol *symbol = NULL; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 851 | int hash = 0; |
| 852 | |
| 853 | if (!name) |
| 854 | return NULL; |
| 855 | |
| 856 | if (name[0] && !name[1]) { |
| 857 | switch (name[0]) { |
| 858 | case 'y': return &symbol_yes; |
| 859 | case 'm': return &symbol_mod; |
| 860 | case 'n': return &symbol_no; |
| 861 | } |
| 862 | } |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 863 | hash = strhash(name) % SYMBOL_HASHSIZE; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 864 | |
| 865 | for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 866 | if (symbol->name && |
| 867 | !strcmp(symbol->name, name) && |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 868 | !(symbol->flags & SYMBOL_CONST)) |
| 869 | break; |
| 870 | } |
| 871 | |
| 872 | return symbol; |
| 873 | } |
| 874 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 875 | const char *sym_escape_string_value(const char *in) |
| 876 | { |
| 877 | const char *p; |
| 878 | size_t reslen; |
| 879 | char *res; |
| 880 | size_t l; |
| 881 | |
| 882 | reslen = strlen(in) + strlen("\"\"") + 1; |
| 883 | |
| 884 | p = in; |
| 885 | for (;;) { |
| 886 | l = strcspn(p, "\"\\"); |
| 887 | p += l; |
| 888 | |
| 889 | if (p[0] == '\0') |
| 890 | break; |
| 891 | |
| 892 | reslen++; |
| 893 | p++; |
| 894 | } |
| 895 | |
| 896 | res = xmalloc(reslen); |
| 897 | res[0] = '\0'; |
| 898 | |
| 899 | strcat(res, "\""); |
| 900 | |
| 901 | p = in; |
| 902 | for (;;) { |
| 903 | l = strcspn(p, "\"\\"); |
| 904 | strncat(res, p, l); |
| 905 | p += l; |
| 906 | |
| 907 | if (p[0] == '\0') |
| 908 | break; |
| 909 | |
| 910 | strcat(res, "\\"); |
| 911 | strncat(res, p++, 1); |
| 912 | } |
| 913 | |
| 914 | strcat(res, "\""); |
| 915 | return res; |
| 916 | } |
| 917 | |
| 918 | struct sym_match { |
| 919 | struct symbol *sym; |
| 920 | off_t so, eo; |
| 921 | }; |
| 922 | |
| 923 | /* Compare matched symbols as thus: |
| 924 | * - first, symbols that match exactly |
| 925 | * - then, alphabetical sort |
| 926 | */ |
| 927 | static int sym_rel_comp(const void *sym1, const void *sym2) |
| 928 | { |
| 929 | const struct sym_match *s1 = sym1; |
| 930 | const struct sym_match *s2 = sym2; |
| 931 | int exact1, exact2; |
| 932 | |
| 933 | /* Exact match: |
| 934 | * - if matched length on symbol s1 is the length of that symbol, |
| 935 | * then this symbol should come first; |
| 936 | * - if matched length on symbol s2 is the length of that symbol, |
| 937 | * then this symbol should come first. |
| 938 | * Note: since the search can be a regexp, both symbols may match |
| 939 | * exactly; if this is the case, we can't decide which comes first, |
| 940 | * and we fallback to sorting alphabetically. |
| 941 | */ |
| 942 | exact1 = (s1->eo - s1->so) == strlen(s1->sym->name); |
| 943 | exact2 = (s2->eo - s2->so) == strlen(s2->sym->name); |
| 944 | if (exact1 && !exact2) |
| 945 | return -1; |
| 946 | if (!exact1 && exact2) |
| 947 | return 1; |
| 948 | |
| 949 | /* As a fallback, sort symbols alphabetically */ |
| 950 | return strcmp(s1->sym->name, s2->sym->name); |
| 951 | } |
| 952 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 953 | struct symbol **sym_re_search(const char *pattern) |
| 954 | { |
| 955 | struct symbol *sym, **sym_arr = NULL; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 956 | struct sym_match *sym_match_arr = NULL; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 957 | int i, cnt, size; |
| 958 | regex_t re; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 959 | regmatch_t match[1]; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 960 | |
| 961 | cnt = size = 0; |
| 962 | /* Skip if empty */ |
| 963 | if (strlen(pattern) == 0) |
| 964 | return NULL; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 965 | if (regcomp(&re, pattern, REG_EXTENDED|REG_ICASE)) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 966 | return NULL; |
| 967 | |
| 968 | for_all_symbols(i, sym) { |
| 969 | if (sym->flags & SYMBOL_CONST || !sym->name) |
| 970 | continue; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 971 | if (regexec(&re, sym->name, 1, match, 0)) |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 972 | continue; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 973 | if (cnt >= size) { |
| 974 | void *tmp; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 975 | size += 16; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 976 | tmp = realloc(sym_match_arr, size * sizeof(struct sym_match)); |
| 977 | if (!tmp) |
| 978 | goto sym_re_search_free; |
| 979 | sym_match_arr = tmp; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 980 | } |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 981 | sym_calc_value(sym); |
| 982 | /* As regexec returned 0, we know we have a match, so |
| 983 | * we can use match[0].rm_[se]o without further checks |
| 984 | */ |
| 985 | sym_match_arr[cnt].so = match[0].rm_so; |
| 986 | sym_match_arr[cnt].eo = match[0].rm_eo; |
| 987 | sym_match_arr[cnt++].sym = sym; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 988 | } |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 989 | if (sym_match_arr) { |
| 990 | qsort(sym_match_arr, cnt, sizeof(struct sym_match), sym_rel_comp); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 991 | sym_arr = malloc((cnt+1) * sizeof(struct symbol *)); |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 992 | if (!sym_arr) |
| 993 | goto sym_re_search_free; |
| 994 | for (i = 0; i < cnt; i++) |
| 995 | sym_arr[i] = sym_match_arr[i].sym; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 996 | sym_arr[cnt] = NULL; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 997 | } |
| 998 | sym_re_search_free: |
| 999 | /* sym_match_arr can be NULL if no match, but free(NULL) is OK */ |
| 1000 | free(sym_match_arr); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1001 | regfree(&re); |
| 1002 | |
| 1003 | return sym_arr; |
| 1004 | } |
| 1005 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1006 | /* |
| 1007 | * When we check for recursive dependencies we use a stack to save |
| 1008 | * current state so we can print out relevant info to user. |
| 1009 | * The entries are located on the call stack so no need to free memory. |
| 1010 | * Note insert() remove() must always match to properly clear the stack. |
| 1011 | */ |
| 1012 | static struct dep_stack { |
| 1013 | struct dep_stack *prev, *next; |
| 1014 | struct symbol *sym; |
| 1015 | struct property *prop; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1016 | struct expr **expr; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1017 | } *check_top; |
| 1018 | |
| 1019 | static void dep_stack_insert(struct dep_stack *stack, struct symbol *sym) |
| 1020 | { |
| 1021 | memset(stack, 0, sizeof(*stack)); |
| 1022 | if (check_top) |
| 1023 | check_top->next = stack; |
| 1024 | stack->prev = check_top; |
| 1025 | stack->sym = sym; |
| 1026 | check_top = stack; |
| 1027 | } |
| 1028 | |
| 1029 | static void dep_stack_remove(void) |
| 1030 | { |
| 1031 | check_top = check_top->prev; |
| 1032 | if (check_top) |
| 1033 | check_top->next = NULL; |
| 1034 | } |
| 1035 | |
| 1036 | /* |
| 1037 | * Called when we have detected a recursive dependency. |
| 1038 | * check_top point to the top of the stact so we use |
| 1039 | * the ->prev pointer to locate the bottom of the stack. |
| 1040 | */ |
| 1041 | static void sym_check_print_recursive(struct symbol *last_sym) |
| 1042 | { |
| 1043 | struct dep_stack *stack; |
| 1044 | struct symbol *sym, *next_sym; |
| 1045 | struct menu *menu = NULL; |
| 1046 | struct property *prop; |
| 1047 | struct dep_stack cv_stack; |
| 1048 | |
| 1049 | if (sym_is_choice_value(last_sym)) { |
| 1050 | dep_stack_insert(&cv_stack, last_sym); |
| 1051 | last_sym = prop_get_symbol(sym_get_choice_prop(last_sym)); |
| 1052 | } |
| 1053 | |
| 1054 | for (stack = check_top; stack != NULL; stack = stack->prev) |
| 1055 | if (stack->sym == last_sym) |
| 1056 | break; |
| 1057 | if (!stack) { |
| 1058 | fprintf(stderr, "unexpected recursive dependency error\n"); |
| 1059 | return; |
| 1060 | } |
| 1061 | |
| 1062 | for (; stack; stack = stack->next) { |
| 1063 | sym = stack->sym; |
| 1064 | next_sym = stack->next ? stack->next->sym : last_sym; |
| 1065 | prop = stack->prop; |
| 1066 | if (prop == NULL) |
| 1067 | prop = stack->sym->prop; |
| 1068 | |
| 1069 | /* for choice values find the menu entry (used below) */ |
| 1070 | if (sym_is_choice(sym) || sym_is_choice_value(sym)) { |
| 1071 | for (prop = sym->prop; prop; prop = prop->next) { |
| 1072 | menu = prop->menu; |
| 1073 | if (prop->menu) |
| 1074 | break; |
| 1075 | } |
| 1076 | } |
| 1077 | if (stack->sym == last_sym) |
| 1078 | fprintf(stderr, "%s:%d:error: recursive dependency detected!\n", |
| 1079 | prop->file->name, prop->lineno); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1080 | |
| 1081 | if (sym_is_choice(sym)) { |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1082 | fprintf(stderr, "%s:%d:\tchoice %s contains symbol %s\n", |
| 1083 | menu->file->name, menu->lineno, |
| 1084 | sym->name ? sym->name : "<choice>", |
| 1085 | next_sym->name ? next_sym->name : "<choice>"); |
| 1086 | } else if (sym_is_choice_value(sym)) { |
| 1087 | fprintf(stderr, "%s:%d:\tsymbol %s is part of choice %s\n", |
| 1088 | menu->file->name, menu->lineno, |
| 1089 | sym->name ? sym->name : "<choice>", |
| 1090 | next_sym->name ? next_sym->name : "<choice>"); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1091 | } else if (stack->expr == &sym->dir_dep.expr) { |
| 1092 | fprintf(stderr, "%s:%d:\tsymbol %s depends on %s\n", |
| 1093 | prop->file->name, prop->lineno, |
| 1094 | sym->name ? sym->name : "<choice>", |
| 1095 | next_sym->name ? next_sym->name : "<choice>"); |
| 1096 | } else if (stack->expr == &sym->rev_dep.expr) { |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1097 | fprintf(stderr, "%s:%d:\tsymbol %s is selected by %s\n", |
| 1098 | prop->file->name, prop->lineno, |
| 1099 | sym->name ? sym->name : "<choice>", |
| 1100 | next_sym->name ? next_sym->name : "<choice>"); |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1101 | } else if (stack->expr == &sym->implied.expr) { |
| 1102 | fprintf(stderr, "%s:%d:\tsymbol %s is implied by %s\n", |
| 1103 | prop->file->name, prop->lineno, |
| 1104 | sym->name ? sym->name : "<choice>", |
| 1105 | next_sym->name ? next_sym->name : "<choice>"); |
| 1106 | } else if (stack->expr) { |
| 1107 | fprintf(stderr, "%s:%d:\tsymbol %s %s value contains %s\n", |
| 1108 | prop->file->name, prop->lineno, |
| 1109 | sym->name ? sym->name : "<choice>", |
| 1110 | prop_get_type_name(prop->type), |
| 1111 | next_sym->name ? next_sym->name : "<choice>"); |
| 1112 | } else { |
| 1113 | fprintf(stderr, "%s:%d:\tsymbol %s %s is visible depending on %s\n", |
| 1114 | prop->file->name, prop->lineno, |
| 1115 | sym->name ? sym->name : "<choice>", |
| 1116 | prop_get_type_name(prop->type), |
| 1117 | next_sym->name ? next_sym->name : "<choice>"); |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1118 | } |
| 1119 | } |
| 1120 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1121 | fprintf(stderr, |
| 1122 | "For a resolution refer to Documentation/kbuild/kconfig-language.rst\n" |
| 1123 | "subsection \"Kconfig recursive dependency limitations\"\n" |
| 1124 | "\n"); |
| 1125 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1126 | if (check_top == &cv_stack) |
| 1127 | dep_stack_remove(); |
| 1128 | } |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1129 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1130 | static struct symbol *sym_check_expr_deps(struct expr *e) |
| 1131 | { |
| 1132 | struct symbol *sym; |
| 1133 | |
| 1134 | if (!e) |
| 1135 | return NULL; |
| 1136 | switch (e->type) { |
| 1137 | case E_OR: |
| 1138 | case E_AND: |
| 1139 | sym = sym_check_expr_deps(e->left.expr); |
| 1140 | if (sym) |
| 1141 | return sym; |
| 1142 | return sym_check_expr_deps(e->right.expr); |
| 1143 | case E_NOT: |
| 1144 | return sym_check_expr_deps(e->left.expr); |
| 1145 | case E_EQUAL: |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1146 | case E_GEQ: |
| 1147 | case E_GTH: |
| 1148 | case E_LEQ: |
| 1149 | case E_LTH: |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1150 | case E_UNEQUAL: |
| 1151 | sym = sym_check_deps(e->left.sym); |
| 1152 | if (sym) |
| 1153 | return sym; |
| 1154 | return sym_check_deps(e->right.sym); |
| 1155 | case E_SYMBOL: |
| 1156 | return sym_check_deps(e->left.sym); |
| 1157 | default: |
| 1158 | break; |
| 1159 | } |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1160 | fprintf(stderr, "Oops! How to check %d?\n", e->type); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1161 | return NULL; |
| 1162 | } |
| 1163 | |
| 1164 | /* return NULL when dependencies are OK */ |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1165 | static struct symbol *sym_check_sym_deps(struct symbol *sym) |
| 1166 | { |
| 1167 | struct symbol *sym2; |
| 1168 | struct property *prop; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1169 | struct dep_stack stack; |
| 1170 | |
| 1171 | dep_stack_insert(&stack, sym); |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1172 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1173 | stack.expr = &sym->dir_dep.expr; |
| 1174 | sym2 = sym_check_expr_deps(sym->dir_dep.expr); |
| 1175 | if (sym2) |
| 1176 | goto out; |
| 1177 | |
| 1178 | stack.expr = &sym->rev_dep.expr; |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1179 | sym2 = sym_check_expr_deps(sym->rev_dep.expr); |
| 1180 | if (sym2) |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1181 | goto out; |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1182 | |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1183 | stack.expr = &sym->implied.expr; |
| 1184 | sym2 = sym_check_expr_deps(sym->implied.expr); |
| 1185 | if (sym2) |
| 1186 | goto out; |
| 1187 | |
| 1188 | stack.expr = NULL; |
| 1189 | |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1190 | for (prop = sym->prop; prop; prop = prop->next) { |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1191 | if (prop->type == P_CHOICE || prop->type == P_SELECT || |
| 1192 | prop->type == P_IMPLY) |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1193 | continue; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1194 | stack.prop = prop; |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1195 | sym2 = sym_check_expr_deps(prop->visible.expr); |
| 1196 | if (sym2) |
| 1197 | break; |
| 1198 | if (prop->type != P_DEFAULT || sym_is_choice(sym)) |
| 1199 | continue; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1200 | stack.expr = &prop->expr; |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1201 | sym2 = sym_check_expr_deps(prop->expr); |
| 1202 | if (sym2) |
| 1203 | break; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1204 | stack.expr = NULL; |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1205 | } |
| 1206 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1207 | out: |
| 1208 | dep_stack_remove(); |
| 1209 | |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1210 | return sym2; |
| 1211 | } |
| 1212 | |
| 1213 | static struct symbol *sym_check_choice_deps(struct symbol *choice) |
| 1214 | { |
| 1215 | struct symbol *sym, *sym2; |
| 1216 | struct property *prop; |
| 1217 | struct expr *e; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1218 | struct dep_stack stack; |
| 1219 | |
| 1220 | dep_stack_insert(&stack, choice); |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1221 | |
| 1222 | prop = sym_get_choice_prop(choice); |
| 1223 | expr_list_for_each_sym(prop->expr, e, sym) |
| 1224 | sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); |
| 1225 | |
| 1226 | choice->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); |
| 1227 | sym2 = sym_check_sym_deps(choice); |
| 1228 | choice->flags &= ~SYMBOL_CHECK; |
| 1229 | if (sym2) |
| 1230 | goto out; |
| 1231 | |
| 1232 | expr_list_for_each_sym(prop->expr, e, sym) { |
| 1233 | sym2 = sym_check_sym_deps(sym); |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1234 | if (sym2) |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1235 | break; |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1236 | } |
| 1237 | out: |
| 1238 | expr_list_for_each_sym(prop->expr, e, sym) |
| 1239 | sym->flags &= ~SYMBOL_CHECK; |
| 1240 | |
| 1241 | if (sym2 && sym_is_choice_value(sym2) && |
| 1242 | prop_get_symbol(sym_get_choice_prop(sym2)) == choice) |
| 1243 | sym2 = choice; |
| 1244 | |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1245 | dep_stack_remove(); |
| 1246 | |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1247 | return sym2; |
| 1248 | } |
| 1249 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1250 | struct symbol *sym_check_deps(struct symbol *sym) |
| 1251 | { |
| 1252 | struct symbol *sym2; |
| 1253 | struct property *prop; |
| 1254 | |
| 1255 | if (sym->flags & SYMBOL_CHECK) { |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1256 | sym_check_print_recursive(sym); |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1257 | return sym; |
| 1258 | } |
| 1259 | if (sym->flags & SYMBOL_CHECKED) |
| 1260 | return NULL; |
| 1261 | |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1262 | if (sym_is_choice_value(sym)) { |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1263 | struct dep_stack stack; |
| 1264 | |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1265 | /* for choice groups start the check with main choice symbol */ |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1266 | dep_stack_insert(&stack, sym); |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1267 | prop = sym_get_choice_prop(sym); |
| 1268 | sym2 = sym_check_deps(prop_get_symbol(prop)); |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1269 | dep_stack_remove(); |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1270 | } else if (sym_is_choice(sym)) { |
| 1271 | sym2 = sym_check_choice_deps(sym); |
| 1272 | } else { |
| 1273 | sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); |
| 1274 | sym2 = sym_check_sym_deps(sym); |
| 1275 | sym->flags &= ~SYMBOL_CHECK; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1276 | } |
Roman Zippel | 330bb6a | 2008-02-29 05:10:24 +0100 | [diff] [blame] | 1277 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1278 | return sym2; |
| 1279 | } |
| 1280 | |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1281 | struct symbol *prop_get_symbol(struct property *prop) |
| 1282 | { |
| 1283 | if (prop->expr && (prop->expr->type == E_SYMBOL || |
| 1284 | prop->expr->type == E_LIST)) |
| 1285 | return prop->expr->left.sym; |
| 1286 | return NULL; |
| 1287 | } |
| 1288 | |
| 1289 | const char *prop_get_type_name(enum prop_type type) |
| 1290 | { |
| 1291 | switch (type) { |
| 1292 | case P_PROMPT: |
| 1293 | return "prompt"; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1294 | case P_COMMENT: |
| 1295 | return "comment"; |
| 1296 | case P_MENU: |
| 1297 | return "menu"; |
| 1298 | case P_DEFAULT: |
| 1299 | return "default"; |
| 1300 | case P_CHOICE: |
| 1301 | return "choice"; |
| 1302 | case P_SELECT: |
| 1303 | return "select"; |
Patrick Georgi | 53ea1d4 | 2019-11-22 16:55:58 +0100 | [diff] [blame] | 1304 | case P_IMPLY: |
| 1305 | return "imply"; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1306 | case P_RANGE: |
| 1307 | return "range"; |
Patrick Georgi | d520840 | 2014-04-11 20:24:06 +0200 | [diff] [blame] | 1308 | case P_SYMBOL: |
| 1309 | return "symbol"; |
Patrick Georgi | 0588d19 | 2009-08-12 15:00:51 +0000 | [diff] [blame] | 1310 | case P_UNKNOWN: |
| 1311 | break; |
| 1312 | } |
| 1313 | return "unknown"; |
| 1314 | } |