3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
4 * Released under the terms of the GNU GPL v2.0.
14 #define LKC_DIRECT_LINK
17 #define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
20 #define DEBUG_PARSE 0x0002
24 extern int zconflex(void);
25 static void zconfprint(const char *err, ...);
26 static void zconf_error(const char *err, ...);
27 static void zconferror(const char *err);
28 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken);
30 struct symbol *symbol_hash[257];
32 static struct menu *current_menu, *current_entry;
36 #define YYERROR_VERBOSE
45 struct symbol *symbol;
56 %token <id>T_ENDCHOICE
59 %token <id>T_MENUCONFIG
61 %token <string> T_HELPTEXT
73 %token <string> T_WORD
74 %token <string> T_WORD_QUOTE
82 %left T_EQUAL T_UNEQUAL
90 %type <id> option_name
91 %type <menu> if_entry menu_entry choice_entry
94 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
95 $$->file->name, $$->lineno);
96 if (current_menu == $$)
98 } if_entry menu_entry choice_entry
101 #include "zconf.hash.c"
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
117 zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
119 | stmt_list error T_EOL { zconf_error("invalid statement"); }
123 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT
136 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
137 | error T_EOL { zconf_error("invalid option"); }
141 /* config/menuconfig entry */
143 config_entry_start: T_CONFIG T_WORD T_EOL
145 struct symbol *sym = sym_lookup($2, 0);
146 sym->flags |= SYMBOL_OPTIONAL;
148 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
151 config_stmt: config_entry_start config_option_list
154 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
157 menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
159 struct symbol *sym = sym_lookup($2, 0);
160 sym->flags |= SYMBOL_OPTIONAL;
162 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
165 menuconfig_stmt: menuconfig_entry_start config_option_list
167 if (current_entry->prompt)
168 current_entry->prompt->type = P_MENU;
170 zconfprint("warning: menuconfig statement without prompt");
172 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
177 | config_option_list config_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(),
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(),
208 config_option: T_SELECT T_WORD if_expr T_EOL
210 menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
211 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
214 config_option: T_RANGE symbol symbol if_expr T_EOL
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());
222 choice: T_CHOICE T_EOL
224 struct symbol *sym = sym_lookup(NULL, 0);
225 sym->flags |= SYMBOL_CHOICE;
227 menu_add_expr(P_CHOICE, NULL, NULL);
228 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
231 choice_entry: choice choice_option_list
233 $$ = menu_add_menu();
238 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
240 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
244 choice_stmt: choice_entry choice_block choice_end
249 | choice_option_list choice_option
250 | choice_option_list depends
251 | choice_option_list help
252 | choice_option_list T_EOL
253 | choice_option_list option_error
256 choice_option: T_PROMPT prompt if_expr T_EOL
258 menu_add_prompt(P_PROMPT, $2, $3);
259 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
262 choice_option: T_TYPE prompt_stmt_opt T_EOL
264 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
265 menu_set_type($1->stype);
266 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
267 zconf_curname(), zconf_lineno(),
273 choice_option: T_OPTIONAL T_EOL
275 current_entry->sym->flags |= SYMBOL_OPTIONAL;
276 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
279 choice_option: T_DEFAULT T_WORD if_expr T_EOL
281 if ($1->stype == S_UNKNOWN) {
282 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
283 printd(DEBUG_PARSE, "%s:%d:default\n",
284 zconf_curname(), zconf_lineno());
291 | choice_block common_stmt
296 if_entry: T_IF expr nl
298 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
299 menu_add_entry(NULL);
301 $$ = menu_add_menu();
306 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
308 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
312 if_stmt: if_entry if_block if_end
317 | if_block common_stmt
319 | if_block choice_stmt
324 menu: T_MENU prompt T_EOL
326 menu_add_entry(NULL);
327 menu_add_prompt(P_MENU, $2, NULL);
328 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
331 menu_entry: menu depends_list
333 $$ = menu_add_menu();
338 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
340 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
344 menu_stmt: menu_entry menu_block menu_end
349 | menu_block common_stmt
350 | menu_block menu_stmt
351 | menu_block choice_stmt
354 source_stmt: T_SOURCE prompt T_EOL
356 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
362 comment: T_COMMENT prompt T_EOL
364 menu_add_entry(NULL);
365 menu_add_prompt(P_COMMENT, $2, NULL);
366 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
369 comment_stmt: comment depends_list
376 help_start: T_HELP T_EOL
378 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
382 help: help_start T_HELPTEXT
384 current_entry->sym->help = $2;
391 | depends_list depends
393 | depends_list option_error
396 depends: T_DEPENDS T_ON expr T_EOL
399 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
401 | T_DEPENDS expr T_EOL
404 printd(DEBUG_PARSE, "%s:%d:depends\n", zconf_curname(), zconf_lineno());
406 | T_REQUIRES expr T_EOL
409 printd(DEBUG_PARSE, "%s:%d:requires\n", zconf_curname(), zconf_lineno());
412 /* prompt statement */
418 menu_add_prompt(P_PROMPT, $1, $2);
425 end: T_ENDMENU T_EOL { $$ = $1; }
426 | T_ENDCHOICE T_EOL { $$ = $1; }
427 | T_ENDIF T_EOL { $$ = $1; }
435 if_expr: /* empty */ { $$ = NULL; }
436 | T_IF expr { $$ = $2; }
439 expr: symbol { $$ = expr_alloc_symbol($1); }
440 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
441 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
442 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
443 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
444 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
445 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
448 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
449 | T_WORD_QUOTE { $$ = sym_lookup($1, 1); free($1); }
454 void conf_parse(const char *name)
459 zconf_initscan(name);
463 modules_sym = sym_lookup("MODULES", 0);
464 rootmenu.prompt = menu_add_prompt(P_MENU, "Busybox Configuration", NULL);
467 if (getenv("ZCONF_DEBUG"))
473 menu_finalize(&rootmenu);
474 for_all_symbols(i, sym) {
478 sym_change_count = 1;
481 const char *zconf_tokenname(int token)
484 case T_MENU: return "menu";
485 case T_ENDMENU: return "endmenu";
486 case T_CHOICE: return "choice";
487 case T_ENDCHOICE: return "endchoice";
488 case T_IF: return "if";
489 case T_ENDIF: return "endif";
490 case T_DEPENDS: return "depends";
495 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken)
497 if (id->token != endtoken) {
498 zconf_error("unexpected '%s' within %s block",
499 kconf_id_strings + id->name, zconf_tokenname(starttoken));
503 if (current_menu->file != current_file) {
504 zconf_error("'%s' in different file than '%s'",
505 kconf_id_strings + id->name, zconf_tokenname(starttoken));
506 fprintf(stderr, "%s:%d: location of the '%s'\n",
507 current_menu->file->name, current_menu->lineno,
508 zconf_tokenname(starttoken));
515 static void zconfprint(const char *err, ...)
519 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
521 vfprintf(stderr, err, ap);
523 fprintf(stderr, "\n");
526 static void zconf_error(const char *err, ...)
531 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
533 vfprintf(stderr, err, ap);
535 fprintf(stderr, "\n");
538 static void zconferror(const char *err)
541 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
545 void print_quoted_string(FILE *out, const char *str)
551 while ((p = strchr(str, '"'))) {
554 fprintf(out, "%.*s", len, str);
562 void print_symbol(FILE *out, struct menu *menu)
564 struct symbol *sym = menu->sym;
565 struct property *prop;
567 if (sym_is_choice(sym))
568 fprintf(out, "choice\n");
570 fprintf(out, "config %s\n", sym->name);
573 fputs(" boolean\n", out);
576 fputs(" tristate\n", out);
579 fputs(" string\n", out);
582 fputs(" integer\n", out);
585 fputs(" hex\n", out);
588 fputs(" ???\n", out);
591 for (prop = sym->prop; prop; prop = prop->next) {
592 if (prop->menu != menu)
594 switch (prop->type) {
596 fputs(" prompt ", out);
597 print_quoted_string(out, prop->text);
598 if (!expr_is_yes(prop->visible.expr)) {
600 expr_fprint(prop->visible.expr, out);
605 fputs( " default ", out);
606 expr_fprint(prop->expr, out);
607 if (!expr_is_yes(prop->visible.expr)) {
609 expr_fprint(prop->visible.expr, out);
614 fputs(" #choice value\n", out);
617 fprintf(out, " unknown prop %d!\n", prop->type);
622 int len = strlen(sym->help);
623 while (sym->help[--len] == '\n')
625 fprintf(out, " help\n%s\n", sym->help);
630 void zconfdump(FILE *out)
632 struct property *prop;
636 menu = rootmenu.list;
638 if ((sym = menu->sym))
639 print_symbol(out, menu);
640 else if ((prop = menu->prompt)) {
641 switch (prop->type) {
643 fputs("\ncomment ", out);
644 print_quoted_string(out, prop->text);
648 fputs("\nmenu ", out);
649 print_quoted_string(out, prop->text);
655 if (!expr_is_yes(prop->visible.expr)) {
656 fputs(" depends ", out);
657 expr_fprint(prop->visible.expr, out);
667 else while ((menu = menu->parent)) {
668 if (menu->prompt && menu->prompt->type == P_MENU)
669 fputs("\nendmenu\n", out);
678 #include "lex.zconf.c"
680 #include "confdata.c"