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 #include "zconf.hash.c"
19 #define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
22 #define DEBUG_PARSE 0x0002
26 extern int zconflex(void);
27 static void zconfprint(const char *err, ...);
28 static void zconf_error(const char *err, ...);
29 static void zconferror(const char *err);
30 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken);
32 struct symbol *symbol_hash[257];
34 static struct menu *current_menu, *current_entry;
38 #define YYERROR_VERBOSE
47 struct symbol *symbol;
58 %token <id>T_ENDCHOICE
61 %token <id>T_MENUCONFIG
63 %token <string> T_HELPTEXT
76 %token <string> T_WORD
77 %token <string> T_WORD_QUOTE
85 %left T_EQUAL T_UNEQUAL
93 %type <id> option_name
94 %type <menu> if_entry menu_entry choice_entry
95 %type <string> symbol_option_arg
98 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
99 $$->file->name, $$->lineno);
100 if (current_menu == $$)
102 } if_entry menu_entry choice_entry
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 symbol_option
179 | config_option_list depends
180 | config_option_list help
181 | config_option_list option_error
182 | config_option_list T_EOL
185 config_option: T_TYPE prompt_stmt_opt T_EOL
187 menu_set_type($1->stype);
188 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
189 zconf_curname(), zconf_lineno(),
193 config_option: T_PROMPT prompt if_expr T_EOL
195 menu_add_prompt(P_PROMPT, $2, $3);
196 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
199 config_option: T_DEFAULT expr if_expr T_EOL
201 menu_add_expr(P_DEFAULT, $2, $3);
202 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(),
209 config_option: T_SELECT T_WORD if_expr T_EOL
211 menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
212 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
215 config_option: T_RANGE symbol symbol if_expr T_EOL
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());
221 symbol_option: T_OPTION symbol_option_list T_EOL
226 | symbol_option_list T_WORD symbol_option_arg
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);
232 zconfprint("warning: ignoring unknown option %s", $2);
237 /* empty */ { $$ = NULL; }
238 | T_EQUAL prompt { $$ = $2; }
243 choice: T_CHOICE T_EOL
245 struct symbol *sym = sym_lookup(NULL, 0);
246 sym->flags |= SYMBOL_CHOICE;
248 menu_add_expr(P_CHOICE, NULL, NULL);
249 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
252 choice_entry: choice choice_option_list
254 $$ = menu_add_menu();
259 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
261 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
265 choice_stmt: choice_entry choice_block choice_end
270 | choice_option_list choice_option
271 | choice_option_list depends
272 | choice_option_list help
273 | choice_option_list T_EOL
274 | choice_option_list option_error
277 choice_option: T_PROMPT prompt if_expr T_EOL
279 menu_add_prompt(P_PROMPT, $2, $3);
280 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
283 choice_option: T_TYPE prompt_stmt_opt T_EOL
285 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(),
294 choice_option: T_OPTIONAL T_EOL
296 current_entry->sym->flags |= SYMBOL_OPTIONAL;
297 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
300 choice_option: T_DEFAULT T_WORD if_expr T_EOL
302 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());
312 | choice_block common_stmt
317 if_entry: T_IF expr nl
319 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
320 menu_add_entry(NULL);
322 $$ = menu_add_menu();
327 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
329 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
333 if_stmt: if_entry if_block if_end
338 | if_block common_stmt
340 | if_block choice_stmt
345 menu: T_MENU prompt T_EOL
347 menu_add_entry(NULL);
348 menu_add_prompt(P_MENU, $2, NULL);
349 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
352 menu_entry: menu depends_list
354 $$ = menu_add_menu();
359 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
361 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
365 menu_stmt: menu_entry menu_block menu_end
370 | menu_block common_stmt
371 | menu_block menu_stmt
372 | menu_block choice_stmt
375 source_stmt: T_SOURCE prompt T_EOL
377 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
383 comment: T_COMMENT prompt T_EOL
385 menu_add_entry(NULL);
386 menu_add_prompt(P_COMMENT, $2, NULL);
387 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
390 comment_stmt: comment depends_list
397 help_start: T_HELP T_EOL
399 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
403 help: help_start T_HELPTEXT
405 current_entry->sym->help = $2;
412 | depends_list depends
414 | depends_list option_error
417 depends: T_DEPENDS T_ON expr T_EOL
420 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
422 | T_DEPENDS expr T_EOL
425 printd(DEBUG_PARSE, "%s:%d:depends\n", zconf_curname(), zconf_lineno());
427 | T_REQUIRES expr T_EOL
430 printd(DEBUG_PARSE, "%s:%d:requires\n", zconf_curname(), zconf_lineno());
433 /* prompt statement */
439 menu_add_prompt(P_PROMPT, $1, $2);
446 end: T_ENDMENU T_EOL { $$ = $1; }
447 | T_ENDCHOICE T_EOL { $$ = $1; }
448 | T_ENDIF T_EOL { $$ = $1; }
456 if_expr: /* empty */ { $$ = NULL; }
457 | T_IF expr { $$ = $2; }
460 expr: symbol { $$ = 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); }
469 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
470 | T_WORD_QUOTE { $$ = sym_lookup($1, 1); free($1); }
475 void conf_parse(const char *name)
480 zconf_initscan(name);
484 modules_sym = sym_lookup(NULL, 0);
485 modules_sym->type = S_BOOLEAN;
486 modules_sym->flags |= SYMBOL_AUTO;
487 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
490 if (getenv("ZCONF_DEBUG"))
496 if (!modules_sym->prop) {
497 struct property *prop;
499 prop = prop_alloc(P_DEFAULT, modules_sym);
500 prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
502 menu_finalize(&rootmenu);
503 for_all_symbols(i, sym) {
507 sym_change_count = 1;
510 const char *zconf_tokenname(int 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";
519 case T_DEPENDS: return "depends";
524 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken)
526 if (id->token != endtoken) {
527 zconf_error("unexpected '%s' within %s block",
528 kconf_id_strings + id->name, zconf_tokenname(starttoken));
532 if (current_menu->file != current_file) {
533 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));
544 static void zconfprint(const char *err, ...)
548 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
550 vfprintf(stderr, err, ap);
552 fprintf(stderr, "\n");
555 static void zconf_error(const char *err, ...)
560 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
562 vfprintf(stderr, err, ap);
564 fprintf(stderr, "\n");
567 static void zconferror(const char *err)
570 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
574 void print_quoted_string(FILE *out, const char *str)
580 while ((p = strchr(str, '"'))) {
583 fprintf(out, "%.*s", len, str);
591 void print_symbol(FILE *out, struct menu *menu)
593 struct symbol *sym = menu->sym;
594 struct property *prop;
596 if (sym_is_choice(sym))
597 fprintf(out, "choice\n");
599 fprintf(out, "config %s\n", sym->name);
602 fputs(" boolean\n", out);
605 fputs(" tristate\n", out);
608 fputs(" string\n", out);
611 fputs(" integer\n", out);
614 fputs(" hex\n", out);
617 fputs(" ???\n", out);
620 for (prop = sym->prop; prop; prop = prop->next) {
621 if (prop->menu != menu)
623 switch (prop->type) {
625 fputs(" prompt ", out);
626 print_quoted_string(out, prop->text);
627 if (!expr_is_yes(prop->visible.expr)) {
629 expr_fprint(prop->visible.expr, out);
634 fputs( " default ", out);
635 expr_fprint(prop->expr, out);
636 if (!expr_is_yes(prop->visible.expr)) {
638 expr_fprint(prop->visible.expr, out);
643 fputs(" #choice value\n", out);
646 fprintf(out, " unknown prop %d!\n", prop->type);
651 int len = strlen(sym->help);
652 while (sym->help[--len] == '\n')
654 fprintf(out, " help\n%s\n", sym->help);
659 void zconfdump(FILE *out)
661 struct property *prop;
665 menu = rootmenu.list;
667 if ((sym = menu->sym))
668 print_symbol(out, menu);
669 else if ((prop = menu->prompt)) {
670 switch (prop->type) {
672 fputs("\ncomment ", out);
673 print_quoted_string(out, prop->text);
677 fputs("\nmenu ", out);
678 print_quoted_string(out, prop->text);
684 if (!expr_is_yes(prop->visible.expr)) {
685 fputs(" depends ", out);
686 expr_fprint(prop->visible.expr, out);
696 else while ((menu = menu->parent)) {
697 if (menu->prompt && menu->prompt->type == P_MENU)
698 fputs("\nendmenu\n", out);
707 #include "lex.zconf.c"
709 #include "confdata.c"