xenomai: new package, only mercury for now supported
[openadk.git] / adk / config / zconf.y
blobfdc6fdce24391b0430a521a0f0fec4c00db55d8a
1 %{
2 /*
3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
4 * Released under the terms of the GNU GPL v2.0.
5 */
7 #include <ctype.h>
8 #include <stdarg.h>
9 #include <stdio.h>
10 #include <stdlib.h>
11 #include <string.h>
12 #include <stdbool.h>
14 #include "lkc.h"
16 #define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
18 #define PRINTD 0x0001
19 #define DEBUG_PARSE 0x0002
21 int cdebug = PRINTD;
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);
29 struct symbol *symbol_hash[SYMBOL_HASHSIZE];
31 static struct menu *current_menu, *current_entry;
34 %expect 30
36 %union
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;
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
76 %left T_OR
77 %left T_AND
78 %left T_EQUAL T_UNEQUAL
79 %nonassoc T_NOT
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
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
98 /* Include zconf.hash.c here so it can see the token constants. */
99 #include "zconf.hash.c"
103 input: nl start | start;
105 start: mainmenu_stmt stmt_list | stmt_list;
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
116 zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
118 | stmt_list error T_EOL { zconf_error("invalid statement"); }
121 option_name:
122 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
125 common_stmt:
126 T_EOL
127 | if_stmt
128 | comment_stmt
129 | config_stmt
130 | menuconfig_stmt
131 | source_stmt
134 option_error:
135 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
136 | error T_EOL { zconf_error("invalid option"); }
140 /* config/menuconfig entry */
142 config_entry_start: T_CONFIG T_WORD T_EOL
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);
150 config_stmt: config_entry_start config_option_list
152 menu_end_entry();
153 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
156 menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
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);
164 menuconfig_stmt: menuconfig_entry_start config_option_list
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());
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
184 config_option: T_TYPE prompt_stmt_opt T_EOL
186 menu_set_type($1->stype);
187 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
188 zconf_curname(), zconf_lineno(),
189 $1->stype);
192 config_option: T_PROMPT prompt if_expr T_EOL
194 menu_add_prompt(P_PROMPT, $2, $3);
195 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
198 config_option: T_DEFAULT expr if_expr T_EOL
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);
208 config_option: T_SELECT T_WORD if_expr T_EOL
210 menu_add_select(sym_lookup($2, 0), NULL, $3);
211 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
214 config_option: T_SELECT T_WORD expr if_expr T_EOL
216 menu_add_select(sym_lookup($2, 0), $3, $4);
217 printd(DEBUG_PARSE, "%s:%d:select with value\n", zconf_curname(), zconf_lineno());
220 config_option: T_RANGE symbol symbol if_expr T_EOL
222 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
223 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
226 symbol_option: T_OPTION symbol_option_list T_EOL
229 symbol_option_list:
230 /* empty */
231 | symbol_option_list T_WORD symbol_option_arg
233 const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
234 if (id && id->flags & TF_OPTION)
235 menu_add_option(id->token, $3);
236 else
237 zconfprint("warning: ignoring unknown option %s", $2);
238 free($2);
241 symbol_option_arg:
242 /* empty */ { $$ = NULL; }
243 | T_EQUAL prompt { $$ = $2; }
246 /* choice entry */
248 choice: T_CHOICE word_opt T_EOL
250 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
251 sym->flags |= SYMBOL_AUTO;
252 menu_add_entry(sym);
253 menu_add_expr(P_CHOICE, NULL, NULL);
254 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
257 choice_entry: choice choice_option_list
259 $$ = menu_add_menu();
262 choice_end: end
264 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
265 menu_end_menu();
266 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
270 choice_stmt: choice_entry choice_block choice_end
273 choice_option_list:
274 /* empty */
275 | choice_option_list choice_option
276 | choice_option_list depends
277 | choice_option_list help
278 | choice_option_list T_EOL
279 | choice_option_list option_error
282 choice_option: T_PROMPT prompt if_expr T_EOL
284 menu_add_prompt(P_PROMPT, $2, $3);
285 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
288 choice_option: T_TYPE prompt_stmt_opt T_EOL
290 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
291 menu_set_type($1->stype);
292 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
293 zconf_curname(), zconf_lineno(),
294 $1->stype);
295 } else
296 YYERROR;
299 choice_option: T_OPTIONAL T_EOL
301 current_entry->sym->flags |= SYMBOL_OPTIONAL;
302 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
305 choice_option: T_DEFAULT T_WORD if_expr T_EOL
307 if ($1->stype == S_UNKNOWN) {
308 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
309 printd(DEBUG_PARSE, "%s:%d:default\n",
310 zconf_curname(), zconf_lineno());
311 } else
312 YYERROR;
315 choice_block:
316 /* empty */
317 | choice_block common_stmt
320 /* if entry */
322 if_entry: T_IF expr nl
324 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
325 menu_add_entry(NULL);
326 menu_add_dep($2);
327 $$ = menu_add_menu();
330 if_end: end
332 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
333 menu_end_menu();
334 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
338 if_stmt: if_entry if_block if_end
341 if_block:
342 /* empty */
343 | if_block common_stmt
344 | if_block menu_stmt
345 | if_block choice_stmt
348 /* mainmenu entry */
350 mainmenu_stmt: T_MAINMENU prompt nl
352 menu_add_prompt(P_MENU, $2, NULL);
355 /* menu entry */
357 menu: T_MENU prompt T_EOL
359 menu_add_entry(NULL);
360 menu_add_prompt(P_MENU, $2, NULL);
361 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
364 menu_entry: menu visibility_list depends_list
366 $$ = menu_add_menu();
369 menu_end: end
371 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
372 menu_end_menu();
373 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
377 menu_stmt: menu_entry menu_block menu_end
380 menu_block:
381 /* empty */
382 | menu_block common_stmt
383 | menu_block menu_stmt
384 | menu_block choice_stmt
387 source_stmt: T_SOURCE prompt T_EOL
389 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
390 zconf_nextfile($2);
393 /* comment entry */
395 comment: T_COMMENT prompt T_EOL
397 menu_add_entry(NULL);
398 menu_add_prompt(P_COMMENT, $2, NULL);
399 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
402 comment_stmt: comment depends_list
404 menu_end_entry();
407 /* help option */
409 help_start: T_HELP T_EOL
411 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
412 zconf_starthelp();
415 help: help_start T_HELPTEXT
417 current_entry->help = $2;
420 /* depends option */
422 depends_list:
423 /* empty */
424 | depends_list depends
425 | depends_list T_EOL
426 | depends_list option_error
429 depends: T_DEPENDS T_ON expr T_EOL
431 menu_add_dep($3);
432 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
435 /* visibility option */
437 visibility_list:
438 /* empty */
439 | visibility_list visible
440 | visibility_list T_EOL
443 visible: T_VISIBLE if_expr
445 menu_add_visibility($2);
448 /* prompt statement */
450 prompt_stmt_opt:
451 /* empty */
452 | prompt if_expr
454 menu_add_prompt(P_PROMPT, $1, $2);
457 prompt: T_WORD
458 | T_WORD_QUOTE
461 end: T_ENDMENU T_EOL { $$ = $1; }
462 | T_ENDCHOICE T_EOL { $$ = $1; }
463 | T_ENDIF T_EOL { $$ = $1; }
467 T_EOL
468 | nl T_EOL
471 if_expr: /* empty */ { $$ = NULL; }
472 | T_IF expr { $$ = $2; }
475 expr: symbol { $$ = expr_alloc_symbol($1); }
476 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
477 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
478 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
479 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
480 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
481 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
484 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
485 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
488 word_opt: /* empty */ { $$ = NULL; }
489 | T_WORD
493 void conf_parse(const char *name)
495 struct symbol *sym;
496 int i;
498 zconf_initscan(name);
500 sym_init();
501 _menu_init();
502 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
504 if (getenv("ZCONF_DEBUG"))
505 zconfdebug = 1;
506 zconfparse();
507 if (zconfnerrs)
508 exit(1);
509 if (!modules_sym)
510 modules_sym = sym_find( "n" );
512 rootmenu.prompt->text = _(rootmenu.prompt->text);
513 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
515 menu_finalize(&rootmenu);
516 for_all_symbols(i, sym) {
517 if (sym_check_deps(sym))
518 zconfnerrs++;
520 if (zconfnerrs)
521 exit(1);
522 sym_set_change_count(1);
525 static const char *zconf_tokenname(int token)
527 switch (token) {
528 case T_MENU: return "menu";
529 case T_ENDMENU: return "endmenu";
530 case T_CHOICE: return "choice";
531 case T_ENDCHOICE: return "endchoice";
532 case T_IF: return "if";
533 case T_ENDIF: return "endif";
534 case T_DEPENDS: return "depends";
535 case T_VISIBLE: return "visible";
537 return "<token>";
540 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
542 if (id->token != endtoken) {
543 zconf_error("unexpected '%s' within %s block",
544 kconf_id_strings + id->name, zconf_tokenname(starttoken));
545 zconfnerrs++;
546 return false;
548 if (current_menu->file != current_file) {
549 zconf_error("'%s' in different file than '%s'",
550 kconf_id_strings + id->name, zconf_tokenname(starttoken));
551 fprintf(stderr, "%s:%d: location of the '%s'\n",
552 current_menu->file->name, current_menu->lineno,
553 zconf_tokenname(starttoken));
554 zconfnerrs++;
555 return false;
557 return true;
560 static void zconfprint(const char *err, ...)
562 va_list ap;
564 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
565 va_start(ap, err);
566 vfprintf(stderr, err, ap);
567 va_end(ap);
568 fprintf(stderr, "\n");
571 static void zconf_error(const char *err, ...)
573 va_list ap;
575 zconfnerrs++;
576 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
577 va_start(ap, err);
578 vfprintf(stderr, err, ap);
579 va_end(ap);
580 fprintf(stderr, "\n");
583 static void zconferror(const char *err)
585 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
588 static void print_quoted_string(FILE *out, const char *str)
590 const char *p;
591 int len;
593 putc('"', out);
594 while ((p = strchr(str, '"'))) {
595 len = p - str;
596 if (len)
597 fprintf(out, "%.*s", len, str);
598 fputs("\\\"", out);
599 str = p + 1;
601 fputs(str, out);
602 putc('"', out);
605 static void print_symbol(FILE *out, struct menu *menu)
607 struct symbol *sym = menu->sym;
608 struct property *prop;
610 if (sym_is_choice(sym))
611 fprintf(out, "\nchoice\n");
612 else
613 fprintf(out, "\nconfig %s\n", sym->name);
614 switch (sym->type) {
615 case S_BOOLEAN:
616 fputs(" boolean\n", out);
617 break;
618 case S_TRISTATE:
619 fputs(" tristate\n", out);
620 break;
621 case S_STRING:
622 fputs(" string\n", out);
623 break;
624 case S_INT:
625 fputs(" integer\n", out);
626 break;
627 case S_HEX:
628 fputs(" hex\n", out);
629 break;
630 default:
631 fputs(" ???\n", out);
632 break;
634 for (prop = sym->prop; prop; prop = prop->next) {
635 if (prop->menu != menu)
636 continue;
637 switch (prop->type) {
638 case P_PROMPT:
639 fputs(" prompt ", out);
640 print_quoted_string(out, prop->text);
641 if (!expr_is_yes(prop->visible.expr)) {
642 fputs(" if ", out);
643 expr_fprint(prop->visible.expr, out);
645 fputc('\n', out);
646 break;
647 case P_DEFAULT:
648 fputs( " default ", out);
649 expr_fprint(prop->expr, out);
650 if (!expr_is_yes(prop->visible.expr)) {
651 fputs(" if ", out);
652 expr_fprint(prop->visible.expr, out);
654 fputc('\n', out);
655 break;
656 case P_CHOICE:
657 fputs(" #choice value\n", out);
658 break;
659 case P_SELECT:
660 fputs( " select ", out);
661 expr_fprint(prop->expr, out);
662 if (prop->value) {
663 fputs(" (value=", out);
664 expr_fprint(prop->value, out);
665 fputc(')', out);
667 if (!expr_is_yes(prop->visible.expr)) {
668 fputs(" if ", out);
669 expr_fprint(prop->visible.expr, out);
671 fputc('\n', out);
672 break;
673 case P_RANGE:
674 fputs( " range ", out);
675 expr_fprint(prop->expr, out);
676 fputc('\n', out);
677 break;
678 case P_MENU:
679 fputs( " menu ", out);
680 print_quoted_string(out, prop->text);
681 fputc('\n', out);
682 break;
683 default:
684 fprintf(out, " unknown prop %d!\n", prop->type);
685 break;
688 if (menu->help) {
689 int len = strlen(menu->help);
690 while (menu->help[--len] == '\n')
691 menu->help[len] = 0;
692 fprintf(out, " help\n%s\n", menu->help);
696 void zconfdump(FILE *out)
698 struct property *prop;
699 struct symbol *sym;
700 struct menu *menu;
702 menu = rootmenu.list;
703 while (menu) {
704 if ((sym = menu->sym))
705 print_symbol(out, menu);
706 else if ((prop = menu->prompt)) {
707 switch (prop->type) {
708 case P_COMMENT:
709 fputs("\ncomment ", out);
710 print_quoted_string(out, prop->text);
711 fputs("\n", out);
712 break;
713 case P_MENU:
714 fputs("\nmenu ", out);
715 print_quoted_string(out, prop->text);
716 fputs("\n", out);
717 break;
718 default:
721 if (!expr_is_yes(prop->visible.expr)) {
722 fputs(" depends ", out);
723 expr_fprint(prop->visible.expr, out);
724 fputc('\n', out);
728 if (menu->list)
729 menu = menu->list;
730 else if (menu->next)
731 menu = menu->next;
732 else while ((menu = menu->parent)) {
733 if (menu->prompt && menu->prompt->type == P_MENU)
734 fputs("\nendmenu\n", out);
735 if (menu->next) {
736 menu = menu->next;
737 break;
743 #include "zconf.lex.c"
744 #include "util.c"
745 #include "confdata.c"
746 #include "expr.c"
747 #include "symbol.c"
748 #include "menu.c"