blob: ab44feb3c600bec91062057803bc620fac176c88 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001%{
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
Roman Zippel7a884882005-11-08 21:34:51 -080014#define LKC_DIRECT_LINK
15#include "lkc.h"
16
17#include "zconf.hash.c"
18
Linus Torvalds1da177e2005-04-16 15:20:36 -070019#define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
20
21#define PRINTD 0x0001
22#define DEBUG_PARSE 0x0002
23
24int cdebug = PRINTD;
25
26extern int zconflex(void);
27static void zconfprint(const char *err, ...);
Roman Zippela02f0572005-11-08 21:34:53 -080028static void zconf_error(const char *err, ...);
Linus Torvalds1da177e2005-04-16 15:20:36 -070029static void zconferror(const char *err);
Roman Zippela02f0572005-11-08 21:34:53 -080030static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken);
Linus Torvalds1da177e2005-04-16 15:20:36 -070031
32struct symbol *symbol_hash[257];
33
34static struct menu *current_menu, *current_entry;
35
Roman Zippela02f0572005-11-08 21:34:53 -080036#define YYDEBUG 0
37#if YYDEBUG
Linus Torvalds1da177e2005-04-16 15:20:36 -070038#define YYERROR_VERBOSE
Roman Zippela02f0572005-11-08 21:34:53 -080039#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070040%}
Roman Zippela02f0572005-11-08 21:34:53 -080041%expect 26
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43%union
44{
Linus Torvalds1da177e2005-04-16 15:20:36 -070045 char *string;
Roman Zippela02f0572005-11-08 21:34:53 -080046 struct file *file;
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 struct symbol *symbol;
48 struct expr *expr;
49 struct menu *menu;
Roman Zippel3370f9f2005-11-08 21:34:52 -080050 struct kconf_id *id;
Linus Torvalds1da177e2005-04-16 15:20:36 -070051}
52
Roman Zippel3370f9f2005-11-08 21:34:52 -080053%token <id>T_MAINMENU
54%token <id>T_MENU
55%token <id>T_ENDMENU
56%token <id>T_SOURCE
57%token <id>T_CHOICE
58%token <id>T_ENDCHOICE
59%token <id>T_COMMENT
60%token <id>T_CONFIG
61%token <id>T_MENUCONFIG
62%token <id>T_HELP
Linus Torvalds1da177e2005-04-16 15:20:36 -070063%token <string> T_HELPTEXT
Roman Zippel3370f9f2005-11-08 21:34:52 -080064%token <id>T_IF
65%token <id>T_ENDIF
66%token <id>T_DEPENDS
67%token <id>T_REQUIRES
68%token <id>T_OPTIONAL
69%token <id>T_PROMPT
70%token <id>T_TYPE
71%token <id>T_DEFAULT
72%token <id>T_SELECT
73%token <id>T_RANGE
Roman Zippelf6a88aa2006-06-08 22:12:44 -070074%token <id>T_OPTION
Roman Zippel3370f9f2005-11-08 21:34:52 -080075%token <id>T_ON
Linus Torvalds1da177e2005-04-16 15:20:36 -070076%token <string> T_WORD
77%token <string> T_WORD_QUOTE
78%token T_UNEQUAL
Linus Torvalds1da177e2005-04-16 15:20:36 -070079%token T_CLOSE_PAREN
80%token T_OPEN_PAREN
Roman Zippel3370f9f2005-11-08 21:34:52 -080081%token T_EOL
Linus Torvalds1da177e2005-04-16 15:20:36 -070082
83%left T_OR
84%left T_AND
85%left T_EQUAL T_UNEQUAL
86%nonassoc T_NOT
87
88%type <string> prompt
Linus Torvalds1da177e2005-04-16 15:20:36 -070089%type <symbol> symbol
90%type <expr> expr
91%type <expr> if_expr
Roman Zippela02f0572005-11-08 21:34:53 -080092%type <id> end
93%type <id> option_name
94%type <menu> if_entry menu_entry choice_entry
Roman Zippelf6a88aa2006-06-08 22:12:44 -070095%type <string> symbol_option_arg
Roman Zippela02f0572005-11-08 21:34:53 -080096
97%destructor {
98 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
99 $$->file->name, $$->lineno);
100 if (current_menu == $$)
101 menu_end_menu();
102} if_entry menu_entry choice_entry
Linus Torvalds1da177e2005-04-16 15:20:36 -0700103
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104%%
Roman Zippela02f0572005-11-08 21:34:53 -0800105input: stmt_list;
106
107stmt_list:
108 /* empty */
109 | stmt_list common_stmt
110 | stmt_list choice_stmt
111 | stmt_list menu_stmt
112 | stmt_list T_MAINMENU prompt nl
113 | stmt_list end { zconf_error("unexpected end statement"); }
114 | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
115 | stmt_list option_name error T_EOL
116{
117 zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
118}
119 | stmt_list error T_EOL { zconf_error("invalid statement"); }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700120;
121
Roman Zippela02f0572005-11-08 21:34:53 -0800122option_name:
123 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT
Linus Torvalds1da177e2005-04-16 15:20:36 -0700124;
125
Roman Zippela02f0572005-11-08 21:34:53 -0800126common_stmt:
127 T_EOL
128 | if_stmt
Linus Torvalds1da177e2005-04-16 15:20:36 -0700129 | comment_stmt
130 | config_stmt
131 | menuconfig_stmt
132 | source_stmt
Roman Zippela02f0572005-11-08 21:34:53 -0800133;
134
135option_error:
136 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
137 | error T_EOL { zconf_error("invalid option"); }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700138;
139
140
141/* config/menuconfig entry */
142
143config_entry_start: T_CONFIG T_WORD T_EOL
144{
145 struct symbol *sym = sym_lookup($2, 0);
146 sym->flags |= SYMBOL_OPTIONAL;
147 menu_add_entry(sym);
148 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
149};
150
151config_stmt: config_entry_start config_option_list
152{
153 menu_end_entry();
154 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
155};
156
157menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
158{
159 struct symbol *sym = sym_lookup($2, 0);
160 sym->flags |= SYMBOL_OPTIONAL;
161 menu_add_entry(sym);
162 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
163};
164
165menuconfig_stmt: menuconfig_entry_start config_option_list
166{
167 if (current_entry->prompt)
168 current_entry->prompt->type = P_MENU;
169 else
170 zconfprint("warning: menuconfig statement without prompt");
171 menu_end_entry();
172 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
173};
174
175config_option_list:
176 /* empty */
177 | config_option_list config_option
Roman Zippelf6a88aa2006-06-08 22:12:44 -0700178 | config_option_list symbol_option
Linus Torvalds1da177e2005-04-16 15:20:36 -0700179 | config_option_list depends
180 | config_option_list help
Roman Zippela02f0572005-11-08 21:34:53 -0800181 | config_option_list option_error
Linus Torvalds1da177e2005-04-16 15:20:36 -0700182 | config_option_list T_EOL
183;
184
Roman Zippel3370f9f2005-11-08 21:34:52 -0800185config_option: T_TYPE prompt_stmt_opt T_EOL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700186{
Roman Zippel3370f9f2005-11-08 21:34:52 -0800187 menu_set_type($1->stype);
188 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
189 zconf_curname(), zconf_lineno(),
190 $1->stype);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700191};
192
193config_option: T_PROMPT prompt if_expr T_EOL
194{
195 menu_add_prompt(P_PROMPT, $2, $3);
196 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
197};
198
199config_option: T_DEFAULT expr if_expr T_EOL
200{
201 menu_add_expr(P_DEFAULT, $2, $3);
Roman Zippel3370f9f2005-11-08 21:34:52 -0800202 if ($1->stype != S_UNKNOWN)
203 menu_set_type($1->stype);
204 printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
205 zconf_curname(), zconf_lineno(),
206 $1->stype);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700207};
208
209config_option: T_SELECT T_WORD if_expr T_EOL
210{
211 menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
212 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
213};
214
215config_option: T_RANGE symbol symbol if_expr T_EOL
216{
217 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
218 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
219};
220
Roman Zippelf6a88aa2006-06-08 22:12:44 -0700221symbol_option: T_OPTION symbol_option_list T_EOL
222;
223
224symbol_option_list:
225 /* empty */
226 | symbol_option_list T_WORD symbol_option_arg
227{
228 struct kconf_id *id = kconf_id_lookup($2, strlen($2));
229 if (id && id->flags & TF_OPTION)
230 menu_add_option(id->token, $3);
231 else
232 zconfprint("warning: ignoring unknown option %s", $2);
233 free($2);
234};
235
236symbol_option_arg:
237 /* empty */ { $$ = NULL; }
238 | T_EQUAL prompt { $$ = $2; }
239;
240
Linus Torvalds1da177e2005-04-16 15:20:36 -0700241/* choice entry */
242
243choice: T_CHOICE T_EOL
244{
245 struct symbol *sym = sym_lookup(NULL, 0);
246 sym->flags |= SYMBOL_CHOICE;
247 menu_add_entry(sym);
248 menu_add_expr(P_CHOICE, NULL, NULL);
249 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
250};
251
252choice_entry: choice choice_option_list
253{
Roman Zippela02f0572005-11-08 21:34:53 -0800254 $$ = menu_add_menu();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700255};
256
257choice_end: end
258{
259 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
260 menu_end_menu();
261 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
262 }
263};
264
Roman Zippela02f0572005-11-08 21:34:53 -0800265choice_stmt: choice_entry choice_block choice_end
266;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700267
268choice_option_list:
269 /* empty */
270 | choice_option_list choice_option
271 | choice_option_list depends
272 | choice_option_list help
273 | choice_option_list T_EOL
Roman Zippela02f0572005-11-08 21:34:53 -0800274 | choice_option_list option_error
Linus Torvalds1da177e2005-04-16 15:20:36 -0700275;
276
277choice_option: T_PROMPT prompt if_expr T_EOL
278{
279 menu_add_prompt(P_PROMPT, $2, $3);
280 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
281};
282
Roman Zippel3370f9f2005-11-08 21:34:52 -0800283choice_option: T_TYPE prompt_stmt_opt T_EOL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700284{
Roman Zippel3370f9f2005-11-08 21:34:52 -0800285 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
286 menu_set_type($1->stype);
287 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
288 zconf_curname(), zconf_lineno(),
289 $1->stype);
290 } else
291 YYERROR;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700292};
293
294choice_option: T_OPTIONAL T_EOL
295{
296 current_entry->sym->flags |= SYMBOL_OPTIONAL;
297 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
298};
299
300choice_option: T_DEFAULT T_WORD if_expr T_EOL
301{
Roman Zippel3370f9f2005-11-08 21:34:52 -0800302 if ($1->stype == S_UNKNOWN) {
303 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
304 printd(DEBUG_PARSE, "%s:%d:default\n",
305 zconf_curname(), zconf_lineno());
306 } else
307 YYERROR;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700308};
309
310choice_block:
311 /* empty */
Roman Zippela02f0572005-11-08 21:34:53 -0800312 | choice_block common_stmt
Linus Torvalds1da177e2005-04-16 15:20:36 -0700313;
314
315/* if entry */
316
Roman Zippela02f0572005-11-08 21:34:53 -0800317if_entry: T_IF expr nl
Linus Torvalds1da177e2005-04-16 15:20:36 -0700318{
319 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
320 menu_add_entry(NULL);
321 menu_add_dep($2);
Roman Zippela02f0572005-11-08 21:34:53 -0800322 $$ = menu_add_menu();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700323};
324
325if_end: end
326{
327 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
328 menu_end_menu();
329 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
330 }
331};
332
Roman Zippela02f0572005-11-08 21:34:53 -0800333if_stmt: if_entry if_block if_end
334;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700335
336if_block:
337 /* empty */
Roman Zippela02f0572005-11-08 21:34:53 -0800338 | if_block common_stmt
Linus Torvalds1da177e2005-04-16 15:20:36 -0700339 | if_block menu_stmt
340 | if_block choice_stmt
341;
342
343/* menu entry */
344
345menu: T_MENU prompt T_EOL
346{
347 menu_add_entry(NULL);
blaisorblade@yahoo.itfb7f6ff2005-07-28 17:56:25 +0200348 menu_add_prompt(P_MENU, $2, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700349 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
350};
351
352menu_entry: menu depends_list
353{
Roman Zippela02f0572005-11-08 21:34:53 -0800354 $$ = menu_add_menu();
Linus Torvalds1da177e2005-04-16 15:20:36 -0700355};
356
357menu_end: end
358{
359 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
360 menu_end_menu();
361 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
362 }
363};
364
Roman Zippela02f0572005-11-08 21:34:53 -0800365menu_stmt: menu_entry menu_block menu_end
366;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700367
368menu_block:
369 /* empty */
Roman Zippela02f0572005-11-08 21:34:53 -0800370 | menu_block common_stmt
Linus Torvalds1da177e2005-04-16 15:20:36 -0700371 | menu_block menu_stmt
372 | menu_block choice_stmt
Linus Torvalds1da177e2005-04-16 15:20:36 -0700373;
374
Roman Zippela02f0572005-11-08 21:34:53 -0800375source_stmt: T_SOURCE prompt T_EOL
Linus Torvalds1da177e2005-04-16 15:20:36 -0700376{
Linus Torvalds1da177e2005-04-16 15:20:36 -0700377 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
Roman Zippela02f0572005-11-08 21:34:53 -0800378 zconf_nextfile($2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700379};
380
381/* comment entry */
382
383comment: T_COMMENT prompt T_EOL
384{
385 menu_add_entry(NULL);
blaisorblade@yahoo.itfb7f6ff2005-07-28 17:56:25 +0200386 menu_add_prompt(P_COMMENT, $2, NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700387 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
388};
389
390comment_stmt: comment depends_list
391{
392 menu_end_entry();
393};
394
395/* help option */
396
397help_start: T_HELP T_EOL
398{
399 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
400 zconf_starthelp();
401};
402
403help: help_start T_HELPTEXT
404{
405 current_entry->sym->help = $2;
406};
407
408/* depends option */
409
Roman Zippela02f0572005-11-08 21:34:53 -0800410depends_list:
411 /* empty */
412 | depends_list depends
413 | depends_list T_EOL
414 | depends_list option_error
Linus Torvalds1da177e2005-04-16 15:20:36 -0700415;
416
417depends: T_DEPENDS T_ON expr T_EOL
418{
419 menu_add_dep($3);
420 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
421}
422 | T_DEPENDS expr T_EOL
423{
424 menu_add_dep($2);
425 printd(DEBUG_PARSE, "%s:%d:depends\n", zconf_curname(), zconf_lineno());
426}
427 | T_REQUIRES expr T_EOL
428{
429 menu_add_dep($2);
430 printd(DEBUG_PARSE, "%s:%d:requires\n", zconf_curname(), zconf_lineno());
431};
432
433/* prompt statement */
434
435prompt_stmt_opt:
436 /* empty */
437 | prompt if_expr
438{
blaisorblade@yahoo.itfb7f6ff2005-07-28 17:56:25 +0200439 menu_add_prompt(P_PROMPT, $1, $2);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700440};
441
442prompt: T_WORD
443 | T_WORD_QUOTE
444;
445
Roman Zippela02f0572005-11-08 21:34:53 -0800446end: T_ENDMENU T_EOL { $$ = $1; }
447 | T_ENDCHOICE T_EOL { $$ = $1; }
448 | T_ENDIF T_EOL { $$ = $1; }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700449;
450
Roman Zippela02f0572005-11-08 21:34:53 -0800451nl:
452 T_EOL
453 | nl T_EOL
454;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700455
456if_expr: /* empty */ { $$ = NULL; }
457 | T_IF expr { $$ = $2; }
458;
459
460expr: symbol { $$ = expr_alloc_symbol($1); }
461 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
462 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
463 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
464 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
465 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
466 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
467;
468
469symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
470 | T_WORD_QUOTE { $$ = sym_lookup($1, 1); free($1); }
471;
472
473%%
474
475void conf_parse(const char *name)
476{
477 struct symbol *sym;
478 int i;
479
480 zconf_initscan(name);
481
482 sym_init();
483 menu_init();
Roman Zippelface4372006-06-08 22:12:45 -0700484 modules_sym = sym_lookup(NULL, 0);
485 modules_sym->type = S_BOOLEAN;
486 modules_sym->flags |= SYMBOL_AUTO;
blaisorblade@yahoo.itfb7f6ff2005-07-28 17:56:25 +0200487 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700488
Roman Zippela02f0572005-11-08 21:34:53 -0800489#if YYDEBUG
490 if (getenv("ZCONF_DEBUG"))
491 zconfdebug = 1;
492#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700493 zconfparse();
494 if (zconfnerrs)
495 exit(1);
Roman Zippelface4372006-06-08 22:12:45 -0700496 if (!modules_sym->prop) {
497 struct property *prop;
498
499 prop = prop_alloc(P_DEFAULT, modules_sym);
500 prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
501 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700502 menu_finalize(&rootmenu);
503 for_all_symbols(i, sym) {
David Gibson3f04e7d2005-11-08 21:34:46 -0800504 sym_check_deps(sym);
Linus Torvalds1da177e2005-04-16 15:20:36 -0700505 }
506
507 sym_change_count = 1;
508}
509
510const char *zconf_tokenname(int token)
511{
512 switch (token) {
513 case T_MENU: return "menu";
514 case T_ENDMENU: return "endmenu";
515 case T_CHOICE: return "choice";
516 case T_ENDCHOICE: return "endchoice";
517 case T_IF: return "if";
518 case T_ENDIF: return "endif";
Roman Zippela02f0572005-11-08 21:34:53 -0800519 case T_DEPENDS: return "depends";
Linus Torvalds1da177e2005-04-16 15:20:36 -0700520 }
521 return "<token>";
522}
523
Roman Zippela02f0572005-11-08 21:34:53 -0800524static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken)
Linus Torvalds1da177e2005-04-16 15:20:36 -0700525{
Roman Zippela02f0572005-11-08 21:34:53 -0800526 if (id->token != endtoken) {
527 zconf_error("unexpected '%s' within %s block",
528 kconf_id_strings + id->name, zconf_tokenname(starttoken));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700529 zconfnerrs++;
530 return false;
531 }
532 if (current_menu->file != current_file) {
Roman Zippela02f0572005-11-08 21:34:53 -0800533 zconf_error("'%s' in different file than '%s'",
534 kconf_id_strings + id->name, zconf_tokenname(starttoken));
535 fprintf(stderr, "%s:%d: location of the '%s'\n",
536 current_menu->file->name, current_menu->lineno,
537 zconf_tokenname(starttoken));
Linus Torvalds1da177e2005-04-16 15:20:36 -0700538 zconfnerrs++;
539 return false;
540 }
541 return true;
542}
543
544static void zconfprint(const char *err, ...)
545{
546 va_list ap;
547
Roman Zippela02f0572005-11-08 21:34:53 -0800548 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
549 va_start(ap, err);
550 vfprintf(stderr, err, ap);
551 va_end(ap);
552 fprintf(stderr, "\n");
553}
554
555static void zconf_error(const char *err, ...)
556{
557 va_list ap;
558
559 zconfnerrs++;
560 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
Linus Torvalds1da177e2005-04-16 15:20:36 -0700561 va_start(ap, err);
562 vfprintf(stderr, err, ap);
563 va_end(ap);
564 fprintf(stderr, "\n");
565}
566
567static void zconferror(const char *err)
568{
Roman Zippela02f0572005-11-08 21:34:53 -0800569#if YYDEBUG
Linus Torvalds1da177e2005-04-16 15:20:36 -0700570 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
Roman Zippela02f0572005-11-08 21:34:53 -0800571#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -0700572}
573
574void print_quoted_string(FILE *out, const char *str)
575{
576 const char *p;
577 int len;
578
579 putc('"', out);
580 while ((p = strchr(str, '"'))) {
581 len = p - str;
582 if (len)
583 fprintf(out, "%.*s", len, str);
584 fputs("\\\"", out);
585 str = p + 1;
586 }
587 fputs(str, out);
588 putc('"', out);
589}
590
591void print_symbol(FILE *out, struct menu *menu)
592{
593 struct symbol *sym = menu->sym;
594 struct property *prop;
595
596 if (sym_is_choice(sym))
597 fprintf(out, "choice\n");
598 else
599 fprintf(out, "config %s\n", sym->name);
600 switch (sym->type) {
601 case S_BOOLEAN:
602 fputs(" boolean\n", out);
603 break;
604 case S_TRISTATE:
605 fputs(" tristate\n", out);
606 break;
607 case S_STRING:
608 fputs(" string\n", out);
609 break;
610 case S_INT:
611 fputs(" integer\n", out);
612 break;
613 case S_HEX:
614 fputs(" hex\n", out);
615 break;
616 default:
617 fputs(" ???\n", out);
618 break;
619 }
620 for (prop = sym->prop; prop; prop = prop->next) {
621 if (prop->menu != menu)
622 continue;
623 switch (prop->type) {
624 case P_PROMPT:
625 fputs(" prompt ", out);
626 print_quoted_string(out, prop->text);
627 if (!expr_is_yes(prop->visible.expr)) {
628 fputs(" if ", out);
629 expr_fprint(prop->visible.expr, out);
630 }
631 fputc('\n', out);
632 break;
633 case P_DEFAULT:
634 fputs( " default ", out);
635 expr_fprint(prop->expr, out);
636 if (!expr_is_yes(prop->visible.expr)) {
637 fputs(" if ", out);
638 expr_fprint(prop->visible.expr, out);
639 }
640 fputc('\n', out);
641 break;
642 case P_CHOICE:
643 fputs(" #choice value\n", out);
644 break;
645 default:
646 fprintf(out, " unknown prop %d!\n", prop->type);
647 break;
648 }
649 }
650 if (sym->help) {
651 int len = strlen(sym->help);
652 while (sym->help[--len] == '\n')
653 sym->help[len] = 0;
654 fprintf(out, " help\n%s\n", sym->help);
655 }
656 fputc('\n', out);
657}
658
659void zconfdump(FILE *out)
660{
661 struct property *prop;
662 struct symbol *sym;
663 struct menu *menu;
664
665 menu = rootmenu.list;
666 while (menu) {
667 if ((sym = menu->sym))
668 print_symbol(out, menu);
669 else if ((prop = menu->prompt)) {
670 switch (prop->type) {
671 case P_COMMENT:
672 fputs("\ncomment ", out);
673 print_quoted_string(out, prop->text);
674 fputs("\n", out);
675 break;
676 case P_MENU:
677 fputs("\nmenu ", out);
678 print_quoted_string(out, prop->text);
679 fputs("\n", out);
680 break;
681 default:
682 ;
683 }
684 if (!expr_is_yes(prop->visible.expr)) {
685 fputs(" depends ", out);
686 expr_fprint(prop->visible.expr, out);
687 fputc('\n', out);
688 }
689 fputs("\n", out);
690 }
691
692 if (menu->list)
693 menu = menu->list;
694 else if (menu->next)
695 menu = menu->next;
696 else while ((menu = menu->parent)) {
697 if (menu->prompt && menu->prompt->type == P_MENU)
698 fputs("\nendmenu\n", out);
699 if (menu->next) {
700 menu = menu->next;
701 break;
702 }
703 }
704 }
705}
706
707#include "lex.zconf.c"
708#include "util.c"
709#include "confdata.c"
710#include "expr.c"
711#include "symbol.c"
712#include "menu.c"