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