Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org> |
| 3 | * Released under the terms of the GNU GPL v2.0. |
| 4 | */ |
| 5 | |
| 6 | #include <ctype.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <string.h> |
Peter Kjellerstedt | bae38db | 2005-04-19 09:55:06 +0000 | [diff] [blame^] | 9 | #include <regex.h> |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 10 | #include <sys/utsname.h> |
| 11 | |
| 12 | #define LKC_DIRECT_LINK |
| 13 | #include "lkc.h" |
| 14 | |
| 15 | struct symbol symbol_yes = { |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 16 | .name = "y", |
| 17 | .curr = { "y", yes }, |
| 18 | .flags = SYMBOL_YES|SYMBOL_VALID, |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 19 | }, symbol_mod = { |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 20 | .name = "m", |
| 21 | .curr = { "m", mod }, |
| 22 | .flags = SYMBOL_MOD|SYMBOL_VALID, |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 23 | }, symbol_no = { |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 24 | .name = "n", |
| 25 | .curr = { "n", no }, |
| 26 | .flags = SYMBOL_NO|SYMBOL_VALID, |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 27 | }, symbol_empty = { |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 28 | .name = "", |
| 29 | .curr = { "", no }, |
| 30 | .flags = SYMBOL_VALID, |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 31 | }; |
| 32 | |
| 33 | int sym_change_count; |
| 34 | struct symbol *modules_sym; |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 35 | tristate modules_val; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 36 | |
| 37 | void sym_add_default(struct symbol *sym, const char *def) |
| 38 | { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 39 | struct property *prop = prop_alloc(P_DEFAULT, sym); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 40 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 41 | prop->expr = expr_alloc_symbol(sym_lookup(def, 1)); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 42 | } |
| 43 | |
| 44 | void sym_init(void) |
| 45 | { |
| 46 | struct symbol *sym; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 47 | char *p; |
| 48 | static bool inited = false; |
| 49 | |
| 50 | if (inited) |
| 51 | return; |
| 52 | inited = true; |
| 53 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 54 | sym = sym_lookup("VERSION", 0); |
| 55 | sym->type = S_STRING; |
| 56 | sym->flags |= SYMBOL_AUTO; |
| 57 | p = getenv("VERSION"); |
| 58 | if (p) |
| 59 | sym_add_default(sym, p); |
| 60 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 61 | sym = sym_lookup("TARGET_ARCH", 0); |
| 62 | sym->type = S_STRING; |
| 63 | sym->flags |= SYMBOL_AUTO; |
| 64 | p = getenv("TARGET_ARCH"); |
| 65 | if (p) |
| 66 | sym_add_default(sym, p); |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 67 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 68 | } |
| 69 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 70 | enum symbol_type sym_get_type(struct symbol *sym) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 71 | { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 72 | enum symbol_type type = sym->type; |
| 73 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 74 | if (type == S_TRISTATE) { |
| 75 | if (sym_is_choice_value(sym) && sym->visible == yes) |
| 76 | type = S_BOOLEAN; |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 77 | else if (modules_val == no) |
| 78 | type = S_BOOLEAN; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 79 | } |
| 80 | return type; |
| 81 | } |
| 82 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 83 | const char *sym_type_name(enum symbol_type type) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 84 | { |
| 85 | switch (type) { |
| 86 | case S_BOOLEAN: |
| 87 | return "boolean"; |
| 88 | case S_TRISTATE: |
| 89 | return "tristate"; |
| 90 | case S_INT: |
| 91 | return "integer"; |
| 92 | case S_HEX: |
| 93 | return "hex"; |
| 94 | case S_STRING: |
| 95 | return "string"; |
| 96 | case S_UNKNOWN: |
| 97 | return "unknown"; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 98 | case S_OTHER: |
| 99 | break; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 100 | } |
| 101 | return "???"; |
| 102 | } |
| 103 | |
| 104 | struct property *sym_get_choice_prop(struct symbol *sym) |
| 105 | { |
| 106 | struct property *prop; |
| 107 | |
| 108 | for_all_choices(sym, prop) |
| 109 | return prop; |
| 110 | return NULL; |
| 111 | } |
| 112 | |
| 113 | struct property *sym_get_default_prop(struct symbol *sym) |
| 114 | { |
| 115 | struct property *prop; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 116 | |
| 117 | for_all_defaults(sym, prop) { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 118 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
| 119 | if (prop->visible.tri != no) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 120 | return prop; |
| 121 | } |
| 122 | return NULL; |
| 123 | } |
| 124 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 125 | struct property *sym_get_range_prop(struct symbol *sym) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 126 | { |
| 127 | struct property *prop; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 128 | |
| 129 | for_all_properties(sym, prop, P_RANGE) { |
| 130 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
| 131 | if (prop->visible.tri != no) |
| 132 | return prop; |
| 133 | } |
| 134 | return NULL; |
| 135 | } |
| 136 | |
| 137 | static void sym_calc_visibility(struct symbol *sym) |
| 138 | { |
| 139 | struct property *prop; |
| 140 | tristate tri; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 141 | |
| 142 | /* any prompt visible? */ |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 143 | tri = no; |
| 144 | for_all_prompts(sym, prop) { |
| 145 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
| 146 | tri = E_OR(tri, prop->visible.tri); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 147 | } |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 148 | if (tri == mod && (sym->type != S_TRISTATE || modules_val == no)) |
| 149 | tri = yes; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 150 | if (sym->visible != tri) { |
| 151 | sym->visible = tri; |
| 152 | sym_set_changed(sym); |
| 153 | } |
| 154 | if (sym_is_choice_value(sym)) |
| 155 | return; |
| 156 | tri = no; |
| 157 | if (sym->rev_dep.expr) |
| 158 | tri = expr_calc_value(sym->rev_dep.expr); |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 159 | if (tri == mod && sym_get_type(sym) == S_BOOLEAN) |
| 160 | tri = yes; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 161 | if (sym->rev_dep.tri != tri) { |
| 162 | sym->rev_dep.tri = tri; |
| 163 | sym_set_changed(sym); |
| 164 | } |
| 165 | } |
| 166 | |
| 167 | static struct symbol *sym_calc_choice(struct symbol *sym) |
| 168 | { |
| 169 | struct symbol *def_sym; |
| 170 | struct property *prop; |
| 171 | struct expr *e; |
| 172 | |
| 173 | /* is the user choice visible? */ |
| 174 | def_sym = sym->user.val; |
| 175 | if (def_sym) { |
| 176 | sym_calc_visibility(def_sym); |
| 177 | if (def_sym->visible != no) |
| 178 | return def_sym; |
| 179 | } |
| 180 | |
| 181 | /* any of the defaults visible? */ |
| 182 | for_all_defaults(sym, prop) { |
| 183 | prop->visible.tri = expr_calc_value(prop->visible.expr); |
| 184 | if (prop->visible.tri == no) |
| 185 | continue; |
| 186 | def_sym = prop_get_symbol(prop); |
| 187 | sym_calc_visibility(def_sym); |
| 188 | if (def_sym->visible != no) |
| 189 | return def_sym; |
| 190 | } |
| 191 | |
| 192 | /* just get the first visible value */ |
| 193 | prop = sym_get_choice_prop(sym); |
| 194 | for (e = prop->expr; e; e = e->left.expr) { |
| 195 | def_sym = e->right.sym; |
| 196 | sym_calc_visibility(def_sym); |
| 197 | if (def_sym->visible != no) |
| 198 | return def_sym; |
| 199 | } |
| 200 | |
| 201 | /* no choice? reset tristate value */ |
| 202 | sym->curr.tri = no; |
| 203 | return NULL; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 204 | } |
| 205 | |
| 206 | void sym_calc_value(struct symbol *sym) |
| 207 | { |
| 208 | struct symbol_value newval, oldval; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 209 | struct property *prop; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 210 | struct expr *e; |
| 211 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 212 | if (!sym) |
| 213 | return; |
| 214 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 215 | if (sym->flags & SYMBOL_VALID) |
| 216 | return; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 217 | sym->flags |= SYMBOL_VALID; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 218 | |
| 219 | oldval = sym->curr; |
| 220 | |
| 221 | switch (sym->type) { |
| 222 | case S_INT: |
| 223 | case S_HEX: |
| 224 | case S_STRING: |
| 225 | newval = symbol_empty.curr; |
| 226 | break; |
| 227 | case S_BOOLEAN: |
| 228 | case S_TRISTATE: |
| 229 | newval = symbol_no.curr; |
| 230 | break; |
| 231 | default: |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 232 | sym->curr.val = sym->name; |
| 233 | sym->curr.tri = no; |
| 234 | return; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 235 | } |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 236 | if (!sym_is_choice_value(sym)) |
| 237 | sym->flags &= ~SYMBOL_WRITE; |
| 238 | |
| 239 | sym_calc_visibility(sym); |
| 240 | |
| 241 | /* set default if recursively called */ |
| 242 | sym->curr = newval; |
| 243 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 244 | switch (sym_get_type(sym)) { |
| 245 | case S_BOOLEAN: |
| 246 | case S_TRISTATE: |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 247 | if (sym_is_choice_value(sym) && sym->visible == yes) { |
| 248 | prop = sym_get_choice_prop(sym); |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 249 | newval.tri = (prop_get_symbol(prop)->curr.val == sym) ? yes : no; |
| 250 | } else if (E_OR(sym->visible, sym->rev_dep.tri) != no) { |
| 251 | sym->flags |= SYMBOL_WRITE; |
| 252 | if (sym_has_value(sym)) |
| 253 | newval.tri = sym->user.tri; |
| 254 | else if (!sym_is_choice(sym)) { |
| 255 | prop = sym_get_default_prop(sym); |
| 256 | if (prop) |
| 257 | newval.tri = expr_calc_value(prop->expr); |
| 258 | } |
| 259 | newval.tri = E_OR(E_AND(newval.tri, sym->visible), sym->rev_dep.tri); |
| 260 | } else if (!sym_is_choice(sym)) { |
| 261 | prop = sym_get_default_prop(sym); |
| 262 | if (prop) { |
| 263 | sym->flags |= SYMBOL_WRITE; |
| 264 | newval.tri = expr_calc_value(prop->expr); |
| 265 | } |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 266 | } |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 267 | if (newval.tri == mod && sym_get_type(sym) == S_BOOLEAN) |
| 268 | newval.tri = yes; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 269 | break; |
| 270 | case S_STRING: |
| 271 | case S_HEX: |
| 272 | case S_INT: |
| 273 | if (sym->visible != no) { |
| 274 | sym->flags |= SYMBOL_WRITE; |
| 275 | if (sym_has_value(sym)) { |
| 276 | newval.val = sym->user.val; |
| 277 | break; |
| 278 | } |
| 279 | } |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 280 | prop = sym_get_default_prop(sym); |
| 281 | if (prop) { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 282 | struct symbol *ds = prop_get_symbol(prop); |
| 283 | if (ds) { |
| 284 | sym->flags |= SYMBOL_WRITE; |
| 285 | sym_calc_value(ds); |
| 286 | newval.val = ds->curr.val; |
| 287 | } |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 288 | } |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 289 | break; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 290 | default: |
| 291 | ; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 292 | } |
| 293 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 294 | sym->curr = newval; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 295 | if (sym_is_choice(sym) && newval.tri == yes) |
| 296 | sym->curr.val = sym_calc_choice(sym); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 297 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 298 | if (memcmp(&oldval, &sym->curr, sizeof(oldval))) |
| 299 | sym_set_changed(sym); |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 300 | if (modules_sym == sym) |
| 301 | modules_val = modules_sym->curr.tri; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 302 | |
| 303 | if (sym_is_choice(sym)) { |
| 304 | int flags = sym->flags & (SYMBOL_CHANGED | SYMBOL_WRITE); |
| 305 | prop = sym_get_choice_prop(sym); |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 306 | for (e = prop->expr; e; e = e->left.expr) { |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 307 | e->right.sym->flags |= flags; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 308 | if (flags & SYMBOL_CHANGED) |
| 309 | sym_set_changed(e->right.sym); |
| 310 | } |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 311 | } |
| 312 | } |
| 313 | |
| 314 | void sym_clear_all_valid(void) |
| 315 | { |
| 316 | struct symbol *sym; |
| 317 | int i; |
| 318 | |
| 319 | for_all_symbols(i, sym) |
| 320 | sym->flags &= ~SYMBOL_VALID; |
| 321 | sym_change_count++; |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 322 | if (modules_sym) |
| 323 | sym_calc_value(modules_sym); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 324 | } |
| 325 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 326 | void sym_set_changed(struct symbol *sym) |
| 327 | { |
| 328 | struct property *prop; |
| 329 | |
| 330 | sym->flags |= SYMBOL_CHANGED; |
| 331 | for (prop = sym->prop; prop; prop = prop->next) { |
| 332 | if (prop->menu) |
| 333 | prop->menu->flags |= MENU_CHANGED; |
| 334 | } |
| 335 | } |
| 336 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 337 | void sym_set_all_changed(void) |
| 338 | { |
| 339 | struct symbol *sym; |
| 340 | int i; |
| 341 | |
| 342 | for_all_symbols(i, sym) |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 343 | sym_set_changed(sym); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 344 | } |
| 345 | |
| 346 | bool sym_tristate_within_range(struct symbol *sym, tristate val) |
| 347 | { |
| 348 | int type = sym_get_type(sym); |
| 349 | |
| 350 | if (sym->visible == no) |
| 351 | return false; |
| 352 | |
| 353 | if (type != S_BOOLEAN && type != S_TRISTATE) |
| 354 | return false; |
| 355 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 356 | if (type == S_BOOLEAN && val == mod) |
| 357 | return false; |
| 358 | if (sym->visible <= sym->rev_dep.tri) |
| 359 | return false; |
| 360 | if (sym_is_choice_value(sym) && sym->visible == yes) |
| 361 | return val == yes; |
| 362 | return val >= sym->rev_dep.tri && val <= sym->visible; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 363 | } |
| 364 | |
| 365 | bool sym_set_tristate_value(struct symbol *sym, tristate val) |
| 366 | { |
| 367 | tristate oldval = sym_get_tristate_value(sym); |
| 368 | |
| 369 | if (oldval != val && !sym_tristate_within_range(sym, val)) |
| 370 | return false; |
| 371 | |
| 372 | if (sym->flags & SYMBOL_NEW) { |
| 373 | sym->flags &= ~SYMBOL_NEW; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 374 | sym_set_changed(sym); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 375 | } |
| 376 | if (sym_is_choice_value(sym) && val == yes) { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 377 | struct symbol *cs = prop_get_symbol(sym_get_choice_prop(sym)); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 378 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 379 | cs->user.val = sym; |
| 380 | cs->flags &= ~SYMBOL_NEW; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 381 | } |
| 382 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 383 | sym->user.tri = val; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 384 | if (oldval != val) { |
| 385 | sym_clear_all_valid(); |
| 386 | if (sym == modules_sym) |
| 387 | sym_set_all_changed(); |
| 388 | } |
| 389 | |
| 390 | return true; |
| 391 | } |
| 392 | |
| 393 | tristate sym_toggle_tristate_value(struct symbol *sym) |
| 394 | { |
| 395 | tristate oldval, newval; |
| 396 | |
| 397 | oldval = newval = sym_get_tristate_value(sym); |
| 398 | do { |
| 399 | switch (newval) { |
| 400 | case no: |
| 401 | newval = mod; |
| 402 | break; |
| 403 | case mod: |
| 404 | newval = yes; |
| 405 | break; |
| 406 | case yes: |
| 407 | newval = no; |
| 408 | break; |
| 409 | } |
| 410 | if (sym_set_tristate_value(sym, newval)) |
| 411 | break; |
| 412 | } while (oldval != newval); |
| 413 | return newval; |
| 414 | } |
| 415 | |
| 416 | bool sym_string_valid(struct symbol *sym, const char *str) |
| 417 | { |
Peter Kjellerstedt | bae38db | 2005-04-19 09:55:06 +0000 | [diff] [blame^] | 418 | signed char ch; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 419 | |
| 420 | switch (sym->type) { |
| 421 | case S_STRING: |
| 422 | return true; |
| 423 | case S_INT: |
| 424 | ch = *str++; |
| 425 | if (ch == '-') |
| 426 | ch = *str++; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 427 | if (!isdigit(ch)) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 428 | return false; |
| 429 | if (ch == '0' && *str != 0) |
| 430 | return false; |
| 431 | while ((ch = *str++)) { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 432 | if (!isdigit(ch)) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 433 | return false; |
| 434 | } |
| 435 | return true; |
| 436 | case S_HEX: |
| 437 | if (str[0] == '0' && (str[1] == 'x' || str[1] == 'X')) |
| 438 | str += 2; |
| 439 | ch = *str++; |
| 440 | do { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 441 | if (!isxdigit(ch)) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 442 | return false; |
| 443 | } while ((ch = *str++)); |
| 444 | return true; |
| 445 | case S_BOOLEAN: |
| 446 | case S_TRISTATE: |
| 447 | switch (str[0]) { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 448 | case 'y': case 'Y': |
| 449 | case 'm': case 'M': |
| 450 | case 'n': case 'N': |
| 451 | return true; |
| 452 | } |
| 453 | return false; |
| 454 | default: |
| 455 | return false; |
| 456 | } |
| 457 | } |
| 458 | |
| 459 | bool sym_string_within_range(struct symbol *sym, const char *str) |
| 460 | { |
| 461 | struct property *prop; |
| 462 | int val; |
| 463 | |
| 464 | switch (sym->type) { |
| 465 | case S_STRING: |
| 466 | return sym_string_valid(sym, str); |
| 467 | case S_INT: |
| 468 | if (!sym_string_valid(sym, str)) |
| 469 | return false; |
| 470 | prop = sym_get_range_prop(sym); |
| 471 | if (!prop) |
| 472 | return true; |
| 473 | val = strtol(str, NULL, 10); |
| 474 | return val >= strtol(prop->expr->left.sym->name, NULL, 10) && |
| 475 | val <= strtol(prop->expr->right.sym->name, NULL, 10); |
| 476 | case S_HEX: |
| 477 | if (!sym_string_valid(sym, str)) |
| 478 | return false; |
| 479 | prop = sym_get_range_prop(sym); |
| 480 | if (!prop) |
| 481 | return true; |
| 482 | val = strtol(str, NULL, 16); |
| 483 | return val >= strtol(prop->expr->left.sym->name, NULL, 16) && |
| 484 | val <= strtol(prop->expr->right.sym->name, NULL, 16); |
| 485 | case S_BOOLEAN: |
| 486 | case S_TRISTATE: |
| 487 | switch (str[0]) { |
| 488 | case 'y': case 'Y': |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 489 | return sym_tristate_within_range(sym, yes); |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 490 | case 'm': case 'M': |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 491 | return sym_tristate_within_range(sym, mod); |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 492 | case 'n': case 'N': |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 493 | return sym_tristate_within_range(sym, no); |
| 494 | } |
| 495 | return false; |
| 496 | default: |
| 497 | return false; |
| 498 | } |
| 499 | } |
| 500 | |
| 501 | bool sym_set_string_value(struct symbol *sym, const char *newval) |
| 502 | { |
| 503 | const char *oldval; |
| 504 | char *val; |
| 505 | int size; |
| 506 | |
| 507 | switch (sym->type) { |
| 508 | case S_BOOLEAN: |
| 509 | case S_TRISTATE: |
| 510 | switch (newval[0]) { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 511 | case 'y': case 'Y': |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 512 | return sym_set_tristate_value(sym, yes); |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 513 | case 'm': case 'M': |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 514 | return sym_set_tristate_value(sym, mod); |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 515 | case 'n': case 'N': |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 516 | return sym_set_tristate_value(sym, no); |
| 517 | } |
| 518 | return false; |
| 519 | default: |
| 520 | ; |
| 521 | } |
| 522 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 523 | if (!sym_string_within_range(sym, newval)) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 524 | return false; |
| 525 | |
| 526 | if (sym->flags & SYMBOL_NEW) { |
| 527 | sym->flags &= ~SYMBOL_NEW; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 528 | sym_set_changed(sym); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 529 | } |
| 530 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 531 | oldval = sym->user.val; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 532 | size = strlen(newval) + 1; |
| 533 | if (sym->type == S_HEX && (newval[0] != '0' || (newval[1] != 'x' && newval[1] != 'X'))) { |
| 534 | size += 2; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 535 | sym->user.val = val = malloc(size); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 536 | *val++ = '0'; |
| 537 | *val++ = 'x'; |
| 538 | } else if (!oldval || strcmp(oldval, newval)) |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 539 | sym->user.val = val = malloc(size); |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 540 | else |
| 541 | return true; |
| 542 | |
| 543 | strcpy(val, newval); |
| 544 | free((void *)oldval); |
| 545 | sym_clear_all_valid(); |
| 546 | |
| 547 | return true; |
| 548 | } |
| 549 | |
| 550 | const char *sym_get_string_value(struct symbol *sym) |
| 551 | { |
| 552 | tristate val; |
| 553 | |
| 554 | switch (sym->type) { |
| 555 | case S_BOOLEAN: |
| 556 | case S_TRISTATE: |
| 557 | val = sym_get_tristate_value(sym); |
| 558 | switch (val) { |
| 559 | case no: |
| 560 | return "n"; |
| 561 | case mod: |
| 562 | return "m"; |
| 563 | case yes: |
| 564 | return "y"; |
| 565 | } |
| 566 | break; |
| 567 | default: |
| 568 | ; |
| 569 | } |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 570 | return (const char *)sym->curr.val; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 571 | } |
| 572 | |
| 573 | bool sym_is_changable(struct symbol *sym) |
| 574 | { |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 575 | return sym->visible > sym->rev_dep.tri; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 576 | } |
| 577 | |
| 578 | struct symbol *sym_lookup(const char *name, int isconst) |
| 579 | { |
| 580 | struct symbol *symbol; |
| 581 | const char *ptr; |
| 582 | char *new_name; |
| 583 | int hash = 0; |
| 584 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 585 | if (name) { |
| 586 | if (name[0] && !name[1]) { |
| 587 | switch (name[0]) { |
| 588 | case 'y': return &symbol_yes; |
| 589 | case 'm': return &symbol_mod; |
| 590 | case 'n': return &symbol_no; |
| 591 | } |
| 592 | } |
| 593 | for (ptr = name; *ptr; ptr++) |
| 594 | hash += *ptr; |
| 595 | hash &= 0xff; |
| 596 | |
| 597 | for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { |
| 598 | if (!strcmp(symbol->name, name)) { |
| 599 | if ((isconst && symbol->flags & SYMBOL_CONST) || |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 600 | (!isconst && !(symbol->flags & SYMBOL_CONST))) |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 601 | return symbol; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 602 | } |
| 603 | } |
| 604 | new_name = strdup(name); |
| 605 | } else { |
| 606 | new_name = NULL; |
| 607 | hash = 256; |
| 608 | } |
| 609 | |
| 610 | symbol = malloc(sizeof(*symbol)); |
| 611 | memset(symbol, 0, sizeof(*symbol)); |
| 612 | symbol->name = new_name; |
| 613 | symbol->type = S_UNKNOWN; |
| 614 | symbol->flags = SYMBOL_NEW; |
| 615 | if (isconst) |
| 616 | symbol->flags |= SYMBOL_CONST; |
| 617 | |
| 618 | symbol->next = symbol_hash[hash]; |
| 619 | symbol_hash[hash] = symbol; |
| 620 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 621 | return symbol; |
| 622 | } |
| 623 | |
| 624 | struct symbol *sym_find(const char *name) |
| 625 | { |
| 626 | struct symbol *symbol = NULL; |
| 627 | const char *ptr; |
| 628 | int hash = 0; |
| 629 | |
| 630 | if (!name) |
| 631 | return NULL; |
| 632 | |
| 633 | if (name[0] && !name[1]) { |
| 634 | switch (name[0]) { |
| 635 | case 'y': return &symbol_yes; |
| 636 | case 'm': return &symbol_mod; |
| 637 | case 'n': return &symbol_no; |
| 638 | } |
| 639 | } |
| 640 | for (ptr = name; *ptr; ptr++) |
| 641 | hash += *ptr; |
| 642 | hash &= 0xff; |
| 643 | |
| 644 | for (symbol = symbol_hash[hash]; symbol; symbol = symbol->next) { |
| 645 | if (!strcmp(symbol->name, name) && |
| 646 | !(symbol->flags & SYMBOL_CONST)) |
| 647 | break; |
| 648 | } |
| 649 | |
| 650 | return symbol; |
| 651 | } |
| 652 | |
Peter Kjellerstedt | bae38db | 2005-04-19 09:55:06 +0000 | [diff] [blame^] | 653 | struct symbol **sym_re_search(const char *pattern) |
| 654 | { |
| 655 | struct symbol *sym, **sym_arr = NULL; |
| 656 | int i, cnt, size; |
| 657 | regex_t re; |
| 658 | |
| 659 | cnt = size = 0; |
| 660 | /* Skip if empty */ |
| 661 | if (strlen(pattern) == 0) |
| 662 | return NULL; |
| 663 | if (regcomp(&re, pattern, REG_EXTENDED|REG_NOSUB|REG_ICASE)) |
| 664 | return NULL; |
| 665 | |
| 666 | for_all_symbols(i, sym) { |
| 667 | if (sym->flags & SYMBOL_CONST || !sym->name) |
| 668 | continue; |
| 669 | if (regexec(&re, sym->name, 0, NULL, 0)) |
| 670 | continue; |
| 671 | if (cnt + 1 >= size) { |
| 672 | void *tmp = sym_arr; |
| 673 | size += 16; |
| 674 | sym_arr = realloc(sym_arr, size * sizeof(struct symbol *)); |
| 675 | if (!sym_arr) { |
| 676 | free(tmp); |
| 677 | return NULL; |
| 678 | } |
| 679 | } |
| 680 | sym_arr[cnt++] = sym; |
| 681 | } |
| 682 | if (sym_arr) |
| 683 | sym_arr[cnt] = NULL; |
| 684 | regfree(&re); |
| 685 | |
| 686 | return sym_arr; |
| 687 | } |
| 688 | |
| 689 | |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 690 | struct symbol *sym_check_deps(struct symbol *sym); |
| 691 | |
| 692 | static struct symbol *sym_check_expr_deps(struct expr *e) |
| 693 | { |
| 694 | struct symbol *sym; |
| 695 | |
| 696 | if (!e) |
| 697 | return NULL; |
| 698 | switch (e->type) { |
| 699 | case E_OR: |
| 700 | case E_AND: |
| 701 | sym = sym_check_expr_deps(e->left.expr); |
| 702 | if (sym) |
| 703 | return sym; |
| 704 | return sym_check_expr_deps(e->right.expr); |
| 705 | case E_NOT: |
| 706 | return sym_check_expr_deps(e->left.expr); |
| 707 | case E_EQUAL: |
| 708 | case E_UNEQUAL: |
| 709 | sym = sym_check_deps(e->left.sym); |
| 710 | if (sym) |
| 711 | return sym; |
| 712 | return sym_check_deps(e->right.sym); |
| 713 | case E_SYMBOL: |
| 714 | return sym_check_deps(e->left.sym); |
| 715 | default: |
| 716 | break; |
| 717 | } |
| 718 | printf("Oops! How to check %d?\n", e->type); |
| 719 | return NULL; |
| 720 | } |
| 721 | |
| 722 | struct symbol *sym_check_deps(struct symbol *sym) |
| 723 | { |
| 724 | struct symbol *sym2; |
| 725 | struct property *prop; |
| 726 | |
| 727 | if (sym->flags & SYMBOL_CHECK_DONE) |
| 728 | return NULL; |
| 729 | if (sym->flags & SYMBOL_CHECK) { |
| 730 | printf("Warning! Found recursive dependency: %s", sym->name); |
| 731 | return sym; |
| 732 | } |
| 733 | |
| 734 | sym->flags |= (SYMBOL_CHECK | SYMBOL_CHECKED); |
| 735 | sym2 = sym_check_expr_deps(sym->rev_dep.expr); |
| 736 | if (sym2) |
| 737 | goto out; |
| 738 | |
| 739 | for (prop = sym->prop; prop; prop = prop->next) { |
Eric Andersen | 837f058 | 2004-07-15 06:01:05 +0000 | [diff] [blame] | 740 | if (prop->type == P_CHOICE || prop->type == P_SELECT) |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 741 | continue; |
| 742 | sym2 = sym_check_expr_deps(prop->visible.expr); |
| 743 | if (sym2) |
| 744 | goto out; |
| 745 | if (prop->type != P_DEFAULT || sym_is_choice(sym)) |
| 746 | continue; |
| 747 | sym2 = sym_check_expr_deps(prop->expr); |
| 748 | if (sym2) |
| 749 | goto out; |
| 750 | } |
| 751 | out: |
| 752 | if (sym2) |
| 753 | printf(" %s", sym->name); |
| 754 | sym->flags &= ~SYMBOL_CHECK; |
| 755 | return sym2; |
| 756 | } |
| 757 | |
| 758 | struct property *prop_alloc(enum prop_type type, struct symbol *sym) |
| 759 | { |
| 760 | struct property *prop; |
| 761 | struct property **propp; |
| 762 | |
| 763 | prop = malloc(sizeof(*prop)); |
| 764 | memset(prop, 0, sizeof(*prop)); |
| 765 | prop->type = type; |
| 766 | prop->sym = sym; |
| 767 | prop->file = current_file; |
| 768 | prop->lineno = zconf_lineno(); |
| 769 | |
| 770 | /* append property to the prop list of symbol */ |
| 771 | if (sym) { |
| 772 | for (propp = &sym->prop; *propp; propp = &(*propp)->next) |
| 773 | ; |
| 774 | *propp = prop; |
| 775 | } |
| 776 | |
| 777 | return prop; |
| 778 | } |
| 779 | |
| 780 | struct symbol *prop_get_symbol(struct property *prop) |
| 781 | { |
| 782 | if (prop->expr && (prop->expr->type == E_SYMBOL || |
| 783 | prop->expr->type == E_CHOICE)) |
| 784 | return prop->expr->left.sym; |
| 785 | return NULL; |
| 786 | } |
| 787 | |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 788 | const char *prop_get_type_name(enum prop_type type) |
| 789 | { |
| 790 | switch (type) { |
| 791 | case P_PROMPT: |
| 792 | return "prompt"; |
| 793 | case P_COMMENT: |
| 794 | return "comment"; |
| 795 | case P_MENU: |
| 796 | return "menu"; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 797 | case P_DEFAULT: |
| 798 | return "default"; |
| 799 | case P_CHOICE: |
| 800 | return "choice"; |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 801 | case P_SELECT: |
| 802 | return "select"; |
| 803 | case P_RANGE: |
| 804 | return "range"; |
| 805 | case P_UNKNOWN: |
| 806 | break; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 807 | } |
Eric Andersen | 72d8e44 | 2003-08-05 02:18:25 +0000 | [diff] [blame] | 808 | return "unknown"; |
Eric Andersen | c9f20d9 | 2002-12-05 08:41:41 +0000 | [diff] [blame] | 809 | } |