zconf.y 14.6 KB
Newer Older
Linus Torvalds's avatar
Linus Torvalds committed
1 2 3 4 5 6 7 8 9 10 11 12 13
%{
/*
 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
 * Released under the terms of the GNU GPL v2.0.
 */

#include <ctype.h>
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdbool.h>

14 15 16 17 18
#define LKC_DIRECT_LINK
#include "lkc.h"

#include "zconf.hash.c"

Linus Torvalds's avatar
Linus Torvalds committed
19 20 21 22 23 24 25 26 27
#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)

#define PRINTD		0x0001
#define DEBUG_PARSE	0x0002

int cdebug = PRINTD;

extern int zconflex(void);
static void zconfprint(const char *err, ...);
28
static void zconf_error(const char *err, ...);
Linus Torvalds's avatar
Linus Torvalds committed
29
static void zconferror(const char *err);
30
static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken);
Linus Torvalds's avatar
Linus Torvalds committed
31 32 33 34 35

struct symbol *symbol_hash[257];

static struct menu *current_menu, *current_entry;

36 37
#define YYDEBUG 0
#if YYDEBUG
Linus Torvalds's avatar
Linus Torvalds committed
38
#define YYERROR_VERBOSE
39
#endif
Linus Torvalds's avatar
Linus Torvalds committed
40
%}
41
%expect 26
Linus Torvalds's avatar
Linus Torvalds committed
42 43 44 45

%union
{
	char *string;
46
	struct file *file;
Linus Torvalds's avatar
Linus Torvalds committed
47 48 49
	struct symbol *symbol;
	struct expr *expr;
	struct menu *menu;
50
	struct kconf_id *id;
Linus Torvalds's avatar
Linus Torvalds committed
51 52
}

53 54 55 56 57 58 59 60 61 62
%token <id>T_MAINMENU
%token <id>T_MENU
%token <id>T_ENDMENU
%token <id>T_SOURCE
%token <id>T_CHOICE
%token <id>T_ENDCHOICE
%token <id>T_COMMENT
%token <id>T_CONFIG
%token <id>T_MENUCONFIG
%token <id>T_HELP
Linus Torvalds's avatar
Linus Torvalds committed
63
%token <string> T_HELPTEXT
64 65 66 67 68 69 70 71 72 73
%token <id>T_IF
%token <id>T_ENDIF
%token <id>T_DEPENDS
%token <id>T_REQUIRES
%token <id>T_OPTIONAL
%token <id>T_PROMPT
%token <id>T_TYPE
%token <id>T_DEFAULT
%token <id>T_SELECT
%token <id>T_RANGE
74
%token <id>T_OPTION
75
%token <id>T_ON
Linus Torvalds's avatar
Linus Torvalds committed
76 77 78 79 80
%token <string> T_WORD
%token <string> T_WORD_QUOTE
%token T_UNEQUAL
%token T_CLOSE_PAREN
%token T_OPEN_PAREN
81
%token T_EOL
Linus Torvalds's avatar
Linus Torvalds committed
82 83 84 85 86 87 88 89 90 91

%left T_OR
%left T_AND
%left T_EQUAL T_UNEQUAL
%nonassoc T_NOT

%type <string> prompt
%type <symbol> symbol
%type <expr> expr
%type <expr> if_expr
92 93 94
%type <id> end
%type <id> option_name
%type <menu> if_entry menu_entry choice_entry
95
%type <string> symbol_option_arg
96 97 98 99 100 101 102

%destructor {
	fprintf(stderr, "%s:%d: missing end statement for this entry\n",
		$$->file->name, $$->lineno);
	if (current_menu == $$)
		menu_end_menu();
} if_entry menu_entry choice_entry
Linus Torvalds's avatar
Linus Torvalds committed
103 104

%%
105 106 107 108 109 110 111 112 113 114 115 116 117 118 119
input: stmt_list;

stmt_list:
	  /* empty */
	| stmt_list common_stmt
	| stmt_list choice_stmt
	| stmt_list menu_stmt
	| stmt_list T_MAINMENU prompt nl
	| stmt_list end			{ zconf_error("unexpected end statement"); }
	| stmt_list T_WORD error T_EOL	{ zconf_error("unknown statement \"%s\"", $2); }
	| stmt_list option_name error T_EOL
{
	zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
}
	| stmt_list error T_EOL		{ zconf_error("invalid statement"); }
Linus Torvalds's avatar
Linus Torvalds committed
120 121
;

122 123
option_name:
	T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT
Linus Torvalds's avatar
Linus Torvalds committed
124 125
;

126 127 128
common_stmt:
	  T_EOL
	| if_stmt
Linus Torvalds's avatar
Linus Torvalds committed
129 130 131 132
	| comment_stmt
	| config_stmt
	| menuconfig_stmt
	| source_stmt
133 134 135 136 137
;

option_error:
	  T_WORD error T_EOL		{ zconf_error("unknown option \"%s\"", $1); }
	| error T_EOL			{ zconf_error("invalid option"); }
Linus Torvalds's avatar
Linus Torvalds committed
138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177
;


/* config/menuconfig entry */

config_entry_start: T_CONFIG T_WORD T_EOL
{
	struct symbol *sym = sym_lookup($2, 0);
	sym->flags |= SYMBOL_OPTIONAL;
	menu_add_entry(sym);
	printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
};

config_stmt: config_entry_start config_option_list
{
	menu_end_entry();
	printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
};

menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
{
	struct symbol *sym = sym_lookup($2, 0);
	sym->flags |= SYMBOL_OPTIONAL;
	menu_add_entry(sym);
	printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
};

menuconfig_stmt: menuconfig_entry_start config_option_list
{
	if (current_entry->prompt)
		current_entry->prompt->type = P_MENU;
	else
		zconfprint("warning: menuconfig statement without prompt");
	menu_end_entry();
	printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
};

config_option_list:
	  /* empty */
	| config_option_list config_option
178
	| config_option_list symbol_option
Linus Torvalds's avatar
Linus Torvalds committed
179 180
	| config_option_list depends
	| config_option_list help
181
	| config_option_list option_error
Linus Torvalds's avatar
Linus Torvalds committed
182 183 184
	| config_option_list T_EOL
;

185
config_option: T_TYPE prompt_stmt_opt T_EOL
Linus Torvalds's avatar
Linus Torvalds committed
186
{
187 188 189 190
	menu_set_type($1->stype);
	printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
		zconf_curname(), zconf_lineno(),
		$1->stype);
Linus Torvalds's avatar
Linus Torvalds committed
191 192 193 194 195 196 197 198 199 200 201
};

config_option: T_PROMPT prompt if_expr T_EOL
{
	menu_add_prompt(P_PROMPT, $2, $3);
	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
};

config_option: T_DEFAULT expr if_expr T_EOL
{
	menu_add_expr(P_DEFAULT, $2, $3);
202 203 204 205 206
	if ($1->stype != S_UNKNOWN)
		menu_set_type($1->stype);
	printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
		zconf_curname(), zconf_lineno(),
		$1->stype);
Linus Torvalds's avatar
Linus Torvalds committed
207 208 209 210 211 212 213 214 215 216 217 218 219 220
};

config_option: T_SELECT T_WORD if_expr T_EOL
{
	menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
	printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
};

config_option: T_RANGE symbol symbol if_expr T_EOL
{
	menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
	printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
};

221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240
symbol_option: T_OPTION symbol_option_list T_EOL
;

symbol_option_list:
	  /* empty */
	| symbol_option_list T_WORD symbol_option_arg
{
	struct kconf_id *id = kconf_id_lookup($2, strlen($2));
	if (id && id->flags & TF_OPTION)
		menu_add_option(id->token, $3);
	else
		zconfprint("warning: ignoring unknown option %s", $2);
	free($2);
};

symbol_option_arg:
	  /* empty */		{ $$ = NULL; }
	| T_EQUAL prompt	{ $$ = $2; }
;

Linus Torvalds's avatar
Linus Torvalds committed
241 242 243 244 245 246 247 248 249 250 251 252 253
/* choice entry */

choice: T_CHOICE T_EOL
{
	struct symbol *sym = sym_lookup(NULL, 0);
	sym->flags |= SYMBOL_CHOICE;
	menu_add_entry(sym);
	menu_add_expr(P_CHOICE, NULL, NULL);
	printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
};

choice_entry: choice choice_option_list
{
254
	$$ = menu_add_menu();
Linus Torvalds's avatar
Linus Torvalds committed
255 256 257 258 259 260 261 262 263 264
};

choice_end: end
{
	if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
		menu_end_menu();
		printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
	}
};

265 266
choice_stmt: choice_entry choice_block choice_end
;
Linus Torvalds's avatar
Linus Torvalds committed
267 268 269 270 271 272 273

choice_option_list:
	  /* empty */
	| choice_option_list choice_option
	| choice_option_list depends
	| choice_option_list help
	| choice_option_list T_EOL
274
	| choice_option_list option_error
Linus Torvalds's avatar
Linus Torvalds committed
275 276 277 278 279 280 281 282
;

choice_option: T_PROMPT prompt if_expr T_EOL
{
	menu_add_prompt(P_PROMPT, $2, $3);
	printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
};

283
choice_option: T_TYPE prompt_stmt_opt T_EOL
Linus Torvalds's avatar
Linus Torvalds committed
284
{
285 286 287 288 289 290 291
	if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
		menu_set_type($1->stype);
		printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
			zconf_curname(), zconf_lineno(),
			$1->stype);
	} else
		YYERROR;
Linus Torvalds's avatar
Linus Torvalds committed
292 293 294 295 296 297 298 299 300 301
};

choice_option: T_OPTIONAL T_EOL
{
	current_entry->sym->flags |= SYMBOL_OPTIONAL;
	printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
};

choice_option: T_DEFAULT T_WORD if_expr T_EOL
{
302 303 304 305 306 307
	if ($1->stype == S_UNKNOWN) {
		menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
		printd(DEBUG_PARSE, "%s:%d:default\n",
			zconf_curname(), zconf_lineno());
	} else
		YYERROR;
Linus Torvalds's avatar
Linus Torvalds committed
308 309 310 311
};

choice_block:
	  /* empty */
312
	| choice_block common_stmt
Linus Torvalds's avatar
Linus Torvalds committed
313 314 315 316
;

/* if entry */

317
if_entry: T_IF expr nl
Linus Torvalds's avatar
Linus Torvalds committed
318 319 320 321
{
	printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
	menu_add_entry(NULL);
	menu_add_dep($2);
322
	$$ = menu_add_menu();
Linus Torvalds's avatar
Linus Torvalds committed
323 324 325 326 327 328 329 330 331 332
};

if_end: end
{
	if (zconf_endtoken($1, T_IF, T_ENDIF)) {
		menu_end_menu();
		printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
	}
};

333 334
if_stmt: if_entry if_block if_end
;
Linus Torvalds's avatar
Linus Torvalds committed
335 336 337

if_block:
	  /* empty */
338
	| if_block common_stmt
Linus Torvalds's avatar
Linus Torvalds committed
339 340 341 342 343 344 345 346 347
	| if_block menu_stmt
	| if_block choice_stmt
;

/* menu entry */

menu: T_MENU prompt T_EOL
{
	menu_add_entry(NULL);
348
	menu_add_prompt(P_MENU, $2, NULL);
Linus Torvalds's avatar
Linus Torvalds committed
349 350 351 352 353
	printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
};

menu_entry: menu depends_list
{
354
	$$ = menu_add_menu();
Linus Torvalds's avatar
Linus Torvalds committed
355 356 357 358 359 360 361 362 363 364
};

menu_end: end
{
	if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
		menu_end_menu();
		printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
	}
};

365 366
menu_stmt: menu_entry menu_block menu_end
;
Linus Torvalds's avatar
Linus Torvalds committed
367 368 369

menu_block:
	  /* empty */
370
	| menu_block common_stmt
Linus Torvalds's avatar
Linus Torvalds committed
371 372 373 374
	| menu_block menu_stmt
	| menu_block choice_stmt
;

375
source_stmt: T_SOURCE prompt T_EOL
Linus Torvalds's avatar
Linus Torvalds committed
376 377
{
	printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
378
	zconf_nextfile($2);
Linus Torvalds's avatar
Linus Torvalds committed
379 380 381 382 383 384 385
};

/* comment entry */

comment: T_COMMENT prompt T_EOL
{
	menu_add_entry(NULL);
386
	menu_add_prompt(P_COMMENT, $2, NULL);
Linus Torvalds's avatar
Linus Torvalds committed
387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404
	printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
};

comment_stmt: comment depends_list
{
	menu_end_entry();
};

/* help option */

help_start: T_HELP T_EOL
{
	printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
	zconf_starthelp();
};

help: help_start T_HELPTEXT
{
405
	current_entry->help = $2;
Linus Torvalds's avatar
Linus Torvalds committed
406 407 408 409
};

/* depends option */

410 411 412 413 414
depends_list:
	  /* empty */
	| depends_list depends
	| depends_list T_EOL
	| depends_list option_error
Linus Torvalds's avatar
Linus Torvalds committed
415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438
;

depends: T_DEPENDS T_ON expr T_EOL
{
	menu_add_dep($3);
	printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
}
	| T_DEPENDS expr T_EOL
{
	menu_add_dep($2);
	printd(DEBUG_PARSE, "%s:%d:depends\n", zconf_curname(), zconf_lineno());
}
	| T_REQUIRES expr T_EOL
{
	menu_add_dep($2);
	printd(DEBUG_PARSE, "%s:%d:requires\n", zconf_curname(), zconf_lineno());
};

/* prompt statement */

prompt_stmt_opt:
	  /* empty */
	| prompt if_expr
{
439
	menu_add_prompt(P_PROMPT, $1, $2);
Linus Torvalds's avatar
Linus Torvalds committed
440 441 442 443 444 445
};

prompt:	  T_WORD
	| T_WORD_QUOTE
;

446 447 448
end:	  T_ENDMENU T_EOL	{ $$ = $1; }
	| T_ENDCHOICE T_EOL	{ $$ = $1; }
	| T_ENDIF T_EOL		{ $$ = $1; }
Linus Torvalds's avatar
Linus Torvalds committed
449 450
;

451 452 453 454
nl:
	  T_EOL
	| nl T_EOL
;
Linus Torvalds's avatar
Linus Torvalds committed
455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483

if_expr:  /* empty */			{ $$ = NULL; }
	| T_IF expr			{ $$ = $2; }
;

expr:	  symbol				{ $$ = expr_alloc_symbol($1); }
	| symbol T_EQUAL symbol			{ $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
	| symbol T_UNEQUAL symbol		{ $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
	| T_OPEN_PAREN expr T_CLOSE_PAREN	{ $$ = $2; }
	| T_NOT expr				{ $$ = expr_alloc_one(E_NOT, $2); }
	| expr T_OR expr			{ $$ = expr_alloc_two(E_OR, $1, $3); }
	| expr T_AND expr			{ $$ = expr_alloc_two(E_AND, $1, $3); }
;

symbol:	  T_WORD	{ $$ = sym_lookup($1, 0); free($1); }
	| T_WORD_QUOTE	{ $$ = sym_lookup($1, 1); free($1); }
;

%%

void conf_parse(const char *name)
{
	struct symbol *sym;
	int i;

	zconf_initscan(name);

	sym_init();
	menu_init();
484 485 486
	modules_sym = sym_lookup(NULL, 0);
	modules_sym->type = S_BOOLEAN;
	modules_sym->flags |= SYMBOL_AUTO;
487
	rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
Linus Torvalds's avatar
Linus Torvalds committed
488

489 490 491 492
#if YYDEBUG
	if (getenv("ZCONF_DEBUG"))
		zconfdebug = 1;
#endif
Linus Torvalds's avatar
Linus Torvalds committed
493 494 495
	zconfparse();
	if (zconfnerrs)
		exit(1);
496 497 498 499 500 501
	if (!modules_sym->prop) {
		struct property *prop;

		prop = prop_alloc(P_DEFAULT, modules_sym);
		prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
	}
Linus Torvalds's avatar
Linus Torvalds committed
502 503
	menu_finalize(&rootmenu);
	for_all_symbols(i, sym) {
504 505
		if (sym_check_deps(sym))
			zconfnerrs++;
Linus Torvalds's avatar
Linus Torvalds committed
506
        }
507 508
	if (zconfnerrs)
		exit(1);
509
	sym_set_change_count(1);
Linus Torvalds's avatar
Linus Torvalds committed
510 511 512 513 514 515 516 517 518 519 520
}

const char *zconf_tokenname(int token)
{
	switch (token) {
	case T_MENU:		return "menu";
	case T_ENDMENU:		return "endmenu";
	case T_CHOICE:		return "choice";
	case T_ENDCHOICE:	return "endchoice";
	case T_IF:		return "if";
	case T_ENDIF:		return "endif";
521
	case T_DEPENDS:		return "depends";
Linus Torvalds's avatar
Linus Torvalds committed
522 523 524 525
	}
	return "<token>";
}

526
static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken)
Linus Torvalds's avatar
Linus Torvalds committed
527
{
528 529 530
	if (id->token != endtoken) {
		zconf_error("unexpected '%s' within %s block",
			kconf_id_strings + id->name, zconf_tokenname(starttoken));
Linus Torvalds's avatar
Linus Torvalds committed
531 532 533 534
		zconfnerrs++;
		return false;
	}
	if (current_menu->file != current_file) {
535 536 537 538 539
		zconf_error("'%s' in different file than '%s'",
			kconf_id_strings + id->name, zconf_tokenname(starttoken));
		fprintf(stderr, "%s:%d: location of the '%s'\n",
			current_menu->file->name, current_menu->lineno,
			zconf_tokenname(starttoken));
Linus Torvalds's avatar
Linus Torvalds committed
540 541 542 543 544 545 546 547 548 549
		zconfnerrs++;
		return false;
	}
	return true;
}

static void zconfprint(const char *err, ...)
{
	va_list ap;

550 551 552 553 554 555 556 557 558 559 560 561 562
	fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
	va_start(ap, err);
	vfprintf(stderr, err, ap);
	va_end(ap);
	fprintf(stderr, "\n");
}

static void zconf_error(const char *err, ...)
{
	va_list ap;

	zconfnerrs++;
	fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
Linus Torvalds's avatar
Linus Torvalds committed
563 564 565 566 567 568 569 570
	va_start(ap, err);
	vfprintf(stderr, err, ap);
	va_end(ap);
	fprintf(stderr, "\n");
}

static void zconferror(const char *err)
{
571
#if YYDEBUG
Linus Torvalds's avatar
Linus Torvalds committed
572
	fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
573
#endif
Linus Torvalds's avatar
Linus Torvalds committed
574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651
}

void print_quoted_string(FILE *out, const char *str)
{
	const char *p;
	int len;

	putc('"', out);
	while ((p = strchr(str, '"'))) {
		len = p - str;
		if (len)
			fprintf(out, "%.*s", len, str);
		fputs("\\\"", out);
		str = p + 1;
	}
	fputs(str, out);
	putc('"', out);
}

void print_symbol(FILE *out, struct menu *menu)
{
	struct symbol *sym = menu->sym;
	struct property *prop;

	if (sym_is_choice(sym))
		fprintf(out, "choice\n");
	else
		fprintf(out, "config %s\n", sym->name);
	switch (sym->type) {
	case S_BOOLEAN:
		fputs("  boolean\n", out);
		break;
	case S_TRISTATE:
		fputs("  tristate\n", out);
		break;
	case S_STRING:
		fputs("  string\n", out);
		break;
	case S_INT:
		fputs("  integer\n", out);
		break;
	case S_HEX:
		fputs("  hex\n", out);
		break;
	default:
		fputs("  ???\n", out);
		break;
	}
	for (prop = sym->prop; prop; prop = prop->next) {
		if (prop->menu != menu)
			continue;
		switch (prop->type) {
		case P_PROMPT:
			fputs("  prompt ", out);
			print_quoted_string(out, prop->text);
			if (!expr_is_yes(prop->visible.expr)) {
				fputs(" if ", out);
				expr_fprint(prop->visible.expr, out);
			}
			fputc('\n', out);
			break;
		case P_DEFAULT:
			fputs( "  default ", out);
			expr_fprint(prop->expr, out);
			if (!expr_is_yes(prop->visible.expr)) {
				fputs(" if ", out);
				expr_fprint(prop->visible.expr, out);
			}
			fputc('\n', out);
			break;
		case P_CHOICE:
			fputs("  #choice value\n", out);
			break;
		default:
			fprintf(out, "  unknown prop %d!\n", prop->type);
			break;
		}
	}
652 653 654 655 656
	if (menu->help) {
		int len = strlen(menu->help);
		while (menu->help[--len] == '\n')
			menu->help[len] = 0;
		fprintf(out, "  help\n%s\n", menu->help);
Linus Torvalds's avatar
Linus Torvalds committed
657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714
	}
	fputc('\n', out);
}

void zconfdump(FILE *out)
{
	struct property *prop;
	struct symbol *sym;
	struct menu *menu;

	menu = rootmenu.list;
	while (menu) {
		if ((sym = menu->sym))
			print_symbol(out, menu);
		else if ((prop = menu->prompt)) {
			switch (prop->type) {
			case P_COMMENT:
				fputs("\ncomment ", out);
				print_quoted_string(out, prop->text);
				fputs("\n", out);
				break;
			case P_MENU:
				fputs("\nmenu ", out);
				print_quoted_string(out, prop->text);
				fputs("\n", out);
				break;
			default:
				;
			}
			if (!expr_is_yes(prop->visible.expr)) {
				fputs("  depends ", out);
				expr_fprint(prop->visible.expr, out);
				fputc('\n', out);
			}
			fputs("\n", out);
		}

		if (menu->list)
			menu = menu->list;
		else if (menu->next)
			menu = menu->next;
		else while ((menu = menu->parent)) {
			if (menu->prompt && menu->prompt->type == P_MENU)
				fputs("\nendmenu\n", out);
			if (menu->next) {
				menu = menu->next;
				break;
			}
		}
	}
}

#include "lex.zconf.c"
#include "util.c"
#include "confdata.c"
#include "expr.c"
#include "symbol.c"
#include "menu.c"