scripts/kconfig/zconf.y

   1 %{
   2 /*
   3  * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
   4  * Released under the terms of the GNU GPL v2.0.
   5  */
   6
   7 #include <ctype.h>
   8 #include <stdarg.h>
   9 #include <stdio.h>
  10 #include <stdlib.h>
  11 #include <string.h>
  12 #include <stdbool.h>
  13
  14 #include "lkc.h"
  15
  16 #define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
  17
  18 #define PRINTD          0x0001
  19 #define DEBUG_PARSE     0x0002
  20
  21 int cdebug = PRINTD;
  22
  23 extern int zconflex(void);
  24 static void zconfprint(const char *err, ...);
  25 static void zconf_error(const char *err, ...);
  26 static void zconferror(const char *err);
  27 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken);
  28
  29 struct symbol *symbol_hash[SYMBOL_HASHSIZE];
  30
  31 static struct menu *current_menu, *current_entry;
  32
  33 %}
  34 %expect 30
  35
  36 %union
  37 {
  38         char *string;
  39         struct file *file;
  40         struct symbol *symbol;
  41         struct expr *expr;
  42         struct menu *menu;
  43         const struct kconf_id *id;
  44 }
  45
  46 %token <id>T_MAINMENU
  47 %token <id>T_MENU
  48 %token <id>T_ENDMENU
  49 %token <id>T_SOURCE
  50 %token <id>T_CHOICE
  51 %token <id>T_ENDCHOICE
  52 %token <id>T_COMMENT
  53 %token <id>T_CONFIG
  54 %token <id>T_MENUCONFIG
  55 %token <id>T_HELP
  56 %token <string> T_HELPTEXT
  57 %token <id>T_IF
  58 %token <id>T_ENDIF
  59 %token <id>T_DEPENDS
  60 %token <id>T_OPTIONAL
  61 %token <id>T_PROMPT
  62 %token <id>T_TYPE
  63 %token <id>T_DEFAULT
  64 %token <id>T_SELECT
  65 %token <id>T_RANGE
  66 %token <id>T_VISIBLE
  67 %token <id>T_OPTION
  68 %token <id>T_ON
  69 %token <string> T_WORD
  70 %token <string> T_WORD_QUOTE
  71 %token T_UNEQUAL
  72 %token T_LESS
  73 %token T_LESS_EQUAL
  74 %token T_GREATER
  75 %token T_GREATER_EQUAL
  76 %token T_CLOSE_PAREN
  77 %token T_OPEN_PAREN
  78 %token T_EOL
  79
  80 %left T_OR
  81 %left T_AND
  82 %left T_EQUAL T_UNEQUAL
  83 %left T_LESS T_LESS_EQUAL T_GREATER T_GREATER_EQUAL
  84 %nonassoc T_NOT
  85
  86 %type <string> prompt
  87 %type <symbol> symbol
  88 %type <expr> expr
  89 %type <expr> if_expr
  90 %type <id> end
  91 %type <id> option_name
  92 %type <menu> if_entry menu_entry choice_entry
  93 %type <string> symbol_option_arg word_opt
  94
  95 %destructor {
  96         fprintf(stderr, "%s:%d: missing end statement for this entry\n",
  97                 $$->file->name, $$->lineno);
  98         if (current_menu == $$)
  99                 menu_end_menu();
 100 } if_entry menu_entry choice_entry
 101
 102 %{
 103 /* Include zconf.hash.c here so it can see the token constants. */
 104 #include "zconf.hash.c"
 105 %}
 106
 107 %%
 108 input: nl start | start;
 109
 110 start: mainmenu_stmt stmt_list | stmt_list;
 111
 112 stmt_list:
 113           /* empty */
 114         | stmt_list common_stmt
 115         | stmt_list choice_stmt
 116         | stmt_list menu_stmt
 117         | stmt_list end                 { zconf_error("unexpected end statement"); }
 118         | stmt_list T_WORD error T_EOL  { zconf_error("unknown statement \"%s\"", $2); }
 119         | stmt_list option_name error T_EOL
 120 {
 121         zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
 122 }
 123         | stmt_list error T_EOL         { zconf_error("invalid statement"); }
 124 ;
 125
 126 option_name:
 127         T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
 128 ;
 129
 130 common_stmt:
 131           T_EOL
 132         | if_stmt
 133         | comment_stmt
 134         | config_stmt
 135         | menuconfig_stmt
 136         | source_stmt
 137 ;
 138
 139 option_error:
 140           T_WORD error T_EOL            { zconf_error("unknown option \"%s\"", $1); }
 141         | error T_EOL                   { zconf_error("invalid option"); }
 142 ;
 143
 144
 145 /* config/menuconfig entry */
 146
 147 config_entry_start: T_CONFIG T_WORD T_EOL
 148 {
 149         struct symbol *sym = sym_lookup($2, 0);
 150         sym->flags |= SYMBOL_OPTIONAL;
 151         menu_add_entry(sym);
 152         printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
 153 };
 154
 155 config_stmt: config_entry_start config_option_list
 156 {
 157         menu_end_entry();
 158         printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
 159 };
 160
 161 menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
 162 {
 163         struct symbol *sym = sym_lookup($2, 0);
 164         sym->flags |= SYMBOL_OPTIONAL;
 165         menu_add_entry(sym);
 166         printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
 167 };
 168
 169 menuconfig_stmt: menuconfig_entry_start config_option_list
 170 {
 171         if (current_entry->prompt)
 172                 current_entry->prompt->type = P_MENU;
 173         else
 174                 zconfprint("warning: menuconfig statement without prompt");
 175         menu_end_entry();
 176         printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
 177 };
 178
 179 config_option_list:
 180           /* empty */
 181         | config_option_list config_option
 182         | config_option_list symbol_option
 183         | config_option_list depends
 184         | config_option_list help
 185         | config_option_list option_error
 186         | config_option_list T_EOL
 187 ;
 188
 189 config_option: T_TYPE prompt_stmt_opt T_EOL
 190 {
 191         menu_set_type($1->stype);
 192         printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
 193                 zconf_curname(), zconf_lineno(),
 194                 $1->stype);
 195 };
 196
 197 config_option: T_PROMPT prompt if_expr T_EOL
 198 {
 199         menu_add_prompt(P_PROMPT, $2, $3);
 200         printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
 201 };
 202
 203 config_option: T_DEFAULT expr if_expr T_EOL
 204 {
 205         menu_add_expr(P_DEFAULT, $2, $3);
 206         if ($1->stype != S_UNKNOWN)
 207                 menu_set_type($1->stype);
 208         printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
 209                 zconf_curname(), zconf_lineno(),
 210                 $1->stype);
 211 };
 212
 213 config_option: T_SELECT T_WORD if_expr T_EOL
 214 {
 215         menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
 216         printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
 217 };
 218
 219 config_option: T_RANGE symbol symbol if_expr T_EOL
 220 {
 221         menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
 222         printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
 223 };
 224
 225 symbol_option: T_OPTION symbol_option_list T_EOL
 226 ;
 227
 228 symbol_option_list:
 229           /* empty */
 230         | symbol_option_list T_WORD symbol_option_arg
 231 {
 232         const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
 233         if (id && id->flags & TF_OPTION)
 234                 menu_add_option(id->token, $3);
 235         else
 236                 zconfprint("warning: ignoring unknown option %s", $2);
 237         free($2);
 238 };
 239
 240 symbol_option_arg:
 241           /* empty */           { $$ = NULL; }
 242         | T_EQUAL prompt        { $$ = $2; }
 243 ;
 244
 245 /* choice entry */
 246
 247 choice: T_CHOICE word_opt T_EOL
 248 {
 249         struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
 250         sym->flags |= SYMBOL_AUTO;
 251         menu_add_entry(sym);
 252         menu_add_expr(P_CHOICE, NULL, NULL);
 253         printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
 254 };
 255
 256 choice_entry: choice choice_option_list
 257 {
 258         $$ = menu_add_menu();
 259 };
 260
 261 choice_end: end
 262 {
 263         if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
 264                 menu_end_menu();
 265                 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
 266         }
 267 };
 268
 269 choice_stmt: choice_entry choice_block choice_end
 270 ;
 271
 272 choice_option_list:
 273           /* empty */
 274         | choice_option_list choice_option
 275         | choice_option_list depends
 276         | choice_option_list help
 277         | choice_option_list T_EOL
 278         | choice_option_list option_error
 279 ;
 280
 281 choice_option: T_PROMPT prompt if_expr T_EOL
 282 {
 283         menu_add_prompt(P_PROMPT, $2, $3);
 284         printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
 285 };
 286
 287 choice_option: T_TYPE prompt_stmt_opt T_EOL
 288 {
 289         if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
 290                 menu_set_type($1->stype);
 291                 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
 292                         zconf_curname(), zconf_lineno(),
 293                         $1->stype);
 294         } else
 295                 YYERROR;
 296 };
 297
 298 choice_option: T_OPTIONAL T_EOL
 299 {
 300         current_entry->sym->flags |= SYMBOL_OPTIONAL;
 301         printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
 302 };
 303
 304 choice_option: T_DEFAULT T_WORD if_expr T_EOL
 305 {
 306         if ($1->stype == S_UNKNOWN) {
 307                 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
 308                 printd(DEBUG_PARSE, "%s:%d:default\n",
 309                         zconf_curname(), zconf_lineno());
 310         } else
 311                 YYERROR;
 312 };
 313
 314 choice_block:
 315           /* empty */
 316         | choice_block common_stmt
 317 ;
 318
 319 /* if entry */
 320
 321 if_entry: T_IF expr nl
 322 {
 323         printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
 324         menu_add_entry(NULL);
 325         menu_add_dep($2);
 326         $$ = menu_add_menu();
 327 };
 328
 329 if_end: end
 330 {
 331         if (zconf_endtoken($1, T_IF, T_ENDIF)) {
 332                 menu_end_menu();
 333                 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
 334         }
 335 };
 336
 337 if_stmt: if_entry if_block if_end
 338 ;
 339
 340 if_block:
 341           /* empty */
 342         | if_block common_stmt
 343         | if_block menu_stmt
 344         | if_block choice_stmt
 345 ;
 346
 347 /* mainmenu entry */
 348
 349 mainmenu_stmt: T_MAINMENU prompt nl
 350 {
 351         menu_add_prompt(P_MENU, $2, NULL);
 352 };
 353
 354 /* menu entry */
 355
 356 menu: T_MENU prompt T_EOL
 357 {
 358         menu_add_entry(NULL);
 359         menu_add_prompt(P_MENU, $2, NULL);
 360         printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
 361 };
 362
 363 menu_entry: menu visibility_list depends_list
 364 {
 365         $$ = menu_add_menu();
 366 };
 367
 368 menu_end: end
 369 {
 370         if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
 371                 menu_end_menu();
 372                 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
 373         }
 374 };
 375
 376 menu_stmt: menu_entry menu_block menu_end
 377 ;
 378
 379 menu_block:
 380           /* empty */
 381         | menu_block common_stmt
 382         | menu_block menu_stmt
 383         | menu_block choice_stmt
 384 ;
 385
 386 source_stmt: T_SOURCE prompt T_EOL
 387 {
 388         printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
 389         zconf_nextfile($2);
 390 };
 391
 392 /* comment entry */
 393
 394 comment: T_COMMENT prompt T_EOL
 395 {
 396         menu_add_entry(NULL);
 397         menu_add_prompt(P_COMMENT, $2, NULL);
 398         printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
 399 };
 400
 401 comment_stmt: comment depends_list
 402 {
 403         menu_end_entry();
 404 };
 405
 406 /* help option */
 407
 408 help_start: T_HELP T_EOL
 409 {
 410         printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
 411         zconf_starthelp();
 412 };
 413
 414 help: help_start T_HELPTEXT
 415 {
 416         current_entry->help = $2;
 417 };
 418
 419 /* depends option */
 420
 421 depends_list:
 422           /* empty */
 423         | depends_list depends
 424         | depends_list T_EOL
 425         | depends_list option_error
 426 ;
 427
 428 depends: T_DEPENDS T_ON expr T_EOL
 429 {
 430         menu_add_dep($3);
 431         printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
 432 };
 433
 434 /* visibility option */
 435
 436 visibility_list:
 437           /* empty */
 438         | visibility_list visible
 439         | visibility_list T_EOL
 440 ;
 441
 442 visible: T_VISIBLE if_expr
 443 {
 444         menu_add_visibility($2);
 445 };
 446
 447 /* prompt statement */
 448
 449 prompt_stmt_opt:
 450           /* empty */
 451         | prompt if_expr
 452 {
 453         menu_add_prompt(P_PROMPT, $1, $2);
 454 };
 455
 456 prompt:   T_WORD
 457         | T_WORD_QUOTE
 458 ;
 459
 460 end:      T_ENDMENU T_EOL       { $$ = $1; }
 461         | T_ENDCHOICE T_EOL     { $$ = $1; }
 462         | T_ENDIF T_EOL         { $$ = $1; }
 463 ;
 464
 465 nl:
 466           T_EOL
 467         | nl T_EOL
 468 ;
 469
 470 if_expr:  /* empty */                   { $$ = NULL; }
 471         | T_IF expr                     { $$ = $2; }
 472 ;
 473
 474 expr:     symbol                                { $$ = expr_alloc_symbol($1); }
 475         | symbol T_LESS symbol                  { $$ = expr_alloc_comp(E_LTH, $1, $3); }
 476         | symbol T_LESS_EQUAL symbol            { $$ = expr_alloc_comp(E_LEQ, $1, $3); }
 477         | symbol T_GREATER symbol               { $$ = expr_alloc_comp(E_GTH, $1, $3); }
 478         | symbol T_GREATER_EQUAL symbol         { $$ = expr_alloc_comp(E_GEQ, $1, $3); }
 479         | symbol T_EQUAL symbol                 { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
 480         | symbol T_UNEQUAL symbol               { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
 481         | T_OPEN_PAREN expr T_CLOSE_PAREN       { $$ = $2; }
 482         | T_NOT expr                            { $$ = expr_alloc_one(E_NOT, $2); }
 483         | expr T_OR expr                        { $$ = expr_alloc_two(E_OR, $1, $3); }
 484         | expr T_AND expr                       { $$ = expr_alloc_two(E_AND, $1, $3); }
 485 ;
 486
 487 symbol:   T_WORD        { $$ = sym_lookup($1, 0); free($1); }
 488         | T_WORD_QUOTE  { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
 489 ;
 490
 491 word_opt: /* empty */                   { $$ = NULL; }
 492         | T_WORD
 493
 494 %%
 495
 496 void conf_parse(const char *name)
 497 {
 498         struct symbol *sym;
 499         int i;
 500
 501         zconf_initscan(name);
 502
 503         sym_init();
 504         _menu_init();
 505         rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
 506
 507         if (getenv("ZCONF_DEBUG"))
 508                 zconfdebug = 1;
 509         zconfparse();
 510         if (zconfnerrs)
 511                 exit(1);
 512         if (!modules_sym)
 513                 modules_sym = sym_find( "n" );
 514
 515         rootmenu.prompt->text = _(rootmenu.prompt->text);
 516         rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
 517
 518         menu_finalize(&rootmenu);
 519         for_all_symbols(i, sym) {
 520                 if (sym_check_deps(sym))
 521                         zconfnerrs++;
 522         }
 523         if (zconfnerrs)
 524                 exit(1);
 525         sym_set_change_count(1);
 526 }
 527
 528 static const char *zconf_tokenname(int token)
 529 {
 530         switch (token) {
 531         case T_MENU:            return "menu";
 532         case T_ENDMENU:         return "endmenu";
 533         case T_CHOICE:          return "choice";
 534         case T_ENDCHOICE:       return "endchoice";
 535         case T_IF:              return "if";
 536         case T_ENDIF:           return "endif";
 537         case T_DEPENDS:         return "depends";
 538         case T_VISIBLE:         return "visible";
 539         }
 540         return "<token>";
 541 }
 542
 543 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
 544 {
 545         if (id->token != endtoken) {
 546                 zconf_error("unexpected '%s' within %s block",
 547                         kconf_id_strings + id->name, zconf_tokenname(starttoken));
 548                 zconfnerrs++;
 549                 return false;
 550         }
 551         if (current_menu->file != current_file) {
 552                 zconf_error("'%s' in different file than '%s'",
 553                         kconf_id_strings + id->name, zconf_tokenname(starttoken));
 554                 fprintf(stderr, "%s:%d: location of the '%s'\n",
 555                         current_menu->file->name, current_menu->lineno,
 556                         zconf_tokenname(starttoken));
 557                 zconfnerrs++;
 558                 return false;
 559         }
 560         return true;
 561 }
 562
 563 static void zconfprint(const char *err, ...)
 564 {
 565         va_list ap;
 566
 567         fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
 568         va_start(ap, err);
 569         vfprintf(stderr, err, ap);
 570         va_end(ap);
 571         fprintf(stderr, "\n");
 572 }
 573
 574 static void zconf_error(const char *err, ...)
 575 {
 576         va_list ap;
 577
 578         zconfnerrs++;
 579         fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
 580         va_start(ap, err);
 581         vfprintf(stderr, err, ap);
 582         va_end(ap);
 583         fprintf(stderr, "\n");
 584 }
 585
 586 static void zconferror(const char *err)
 587 {
 588         fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
 589 }
 590
 591 static void print_quoted_string(FILE *out, const char *str)
 592 {
 593         const char *p;
 594         int len;
 595
 596         putc('"', out);
 597         while ((p = strchr(str, '"'))) {
 598                 len = p - str;
 599                 if (len)
 600                         fprintf(out, "%.*s", len, str);
 601                 fputs("\\\"", out);
 602                 str = p + 1;
 603         }
 604         fputs(str, out);
 605         putc('"', out);
 606 }
 607
 608 static void print_symbol(FILE *out, struct menu *menu)
 609 {
 610         struct symbol *sym = menu->sym;
 611         struct property *prop;
 612
 613         if (sym_is_choice(sym))
 614                 fprintf(out, "\nchoice\n");
 615         else
 616                 fprintf(out, "\nconfig %s\n", sym->name);
 617         switch (sym->type) {
 618         case S_BOOLEAN:
 619                 fputs("  boolean\n", out);
 620                 break;
 621         case S_TRISTATE:
 622                 fputs("  tristate\n", out);
 623                 break;
 624         case S_STRING:
 625                 fputs("  string\n", out);
 626                 break;
 627         case S_INT:
 628                 fputs("  integer\n", out);
 629                 break;
 630         case S_HEX:
 631                 fputs("  hex\n", out);
 632                 break;
 633         default:
 634                 fputs("  ???\n", out);
 635                 break;
 636         }
 637         for (prop = sym->prop; prop; prop = prop->next) {
 638                 if (prop->menu != menu)
 639                         continue;
 640                 switch (prop->type) {
 641                 case P_PROMPT:
 642                         fputs("  prompt ", out);
 643                         print_quoted_string(out, prop->text);
 644                         if (!expr_is_yes(prop->visible.expr)) {
 645                                 fputs(" if ", out);
 646                                 expr_fprint(prop->visible.expr, out);
 647                         }
 648                         fputc('\n', out);
 649                         break;
 650                 case P_DEFAULT:
 651                         fputs( "  default ", out);
 652                         expr_fprint(prop->expr, out);
 653                         if (!expr_is_yes(prop->visible.expr)) {
 654                                 fputs(" if ", out);
 655                                 expr_fprint(prop->visible.expr, out);
 656                         }
 657                         fputc('\n', out);
 658                         break;
 659                 case P_CHOICE:
 660                         fputs("  #choice value\n", out);
 661                         break;
 662                 case P_SELECT:
 663                         fputs( "  select ", out);
 664                         expr_fprint(prop->expr, out);
 665                         fputc('\n', out);
 666                         break;
 667                 case P_RANGE:
 668                         fputs( "  range ", out);
 669                         expr_fprint(prop->expr, out);
 670                         fputc('\n', out);
 671                         break;
 672                 case P_MENU:
 673                         fputs( "  menu ", out);
 674                         print_quoted_string(out, prop->text);
 675                         fputc('\n', out);
 676                         break;
 677                 default:
 678                         fprintf(out, "  unknown prop %d!\n", prop->type);
 679                         break;
 680                 }
 681         }
 682         if (menu->help) {
 683                 int len = strlen(menu->help);
 684                 while (menu->help[--len] == '\n')
 685                         menu->help[len] = 0;
 686                 fprintf(out, "  help\n%s\n", menu->help);
 687         }
 688 }
 689
 690 void zconfdump(FILE *out)
 691 {
 692         struct property *prop;
 693         struct symbol *sym;
 694         struct menu *menu;
 695
 696         menu = rootmenu.list;
 697         while (menu) {
 698                 if ((sym = menu->sym))
 699                         print_symbol(out, menu);
 700                 else if ((prop = menu->prompt)) {
 701                         switch (prop->type) {
 702                         case P_COMMENT:
 703                                 fputs("\ncomment ", out);
 704                                 print_quoted_string(out, prop->text);
 705                                 fputs("\n", out);
 706                                 break;
 707                         case P_MENU:
 708                                 fputs("\nmenu ", out);
 709                                 print_quoted_string(out, prop->text);
 710                                 fputs("\n", out);
 711                                 break;
 712                         default:
 713                                 ;
 714                         }
 715                         if (!expr_is_yes(prop->visible.expr)) {
 716                                 fputs("  depends ", out);
 717                                 expr_fprint(prop->visible.expr, out);
 718                                 fputc('\n', out);
 719                         }
 720                 }
 721
 722                 if (menu->list)
 723                         menu = menu->list;
 724                 else if (menu->next)
 725                         menu = menu->next;
 726                 else while ((menu = menu->parent)) {
 727                         if (menu->prompt && menu->prompt->type == P_MENU)
 728                                 fputs("\nendmenu\n", out);
 729                         if (menu->next) {
 730                                 menu = menu->next;
 731                                 break;
 732                         }
 733                 }
 734         }
 735 }
 736
 737 #include "zconf.lex.c"
 738 #include "util.c"
 739 #include "confdata.c"
 740 #include "expr.c"
 741 #include "symbol.c"
 742 #include "menu.c"