3 * Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
4 * Released under the terms of the GNU GPL v2.0.
16 #define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt)
19 #define DEBUG_PARSE 0x0002
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(struct kconf_id *id, int starttoken, int endtoken);
29 struct symbol *symbol_hash[SYMBOL_HASHSIZE];
31 static struct menu *current_menu, *current_entry;
35 #define YYERROR_VERBOSE
44 struct symbol *symbol;
55 %token <id>T_ENDCHOICE
58 %token <id>T_MENUCONFIG
60 %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
92 %type <string> symbol_option_arg word_opt
95 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
96 $$->file->name, $$->lineno);
97 if (current_menu == $$)
99 } if_entry menu_entry choice_entry
102 /* Include zconf.hash.c here so it can see the token constants. */
103 #include "zconf.hash.c"
107 input: nl start | start;
109 start: mainmenu_stmt stmt_list | stmt_list;
113 | stmt_list common_stmt
114 | stmt_list choice_stmt
115 | stmt_list menu_stmt
116 | stmt_list end { zconf_error("unexpected end statement"); }
117 | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
118 | stmt_list option_name error T_EOL
120 zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
122 | stmt_list error T_EOL { zconf_error("invalid statement"); }
126 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
139 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
140 | error T_EOL { zconf_error("invalid option"); }
144 /* config/menuconfig entry */
146 config_entry_start: T_CONFIG T_WORD T_EOL
148 struct symbol *sym = sym_lookup($2, 0);
149 sym->flags |= SYMBOL_OPTIONAL;
151 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
154 config_stmt: config_entry_start config_option_list
157 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
160 menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
162 struct symbol *sym = sym_lookup($2, 0);
163 sym->flags |= SYMBOL_OPTIONAL;
165 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
168 menuconfig_stmt: menuconfig_entry_start config_option_list
170 if (current_entry->prompt)
171 current_entry->prompt->type = P_MENU;
173 zconfprint("warning: menuconfig statement without prompt");
175 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
180 | config_option_list config_option
181 | config_option_list symbol_option
182 | config_option_list depends
183 | config_option_list help
184 | config_option_list option_error
185 | config_option_list T_EOL
188 config_option: T_TYPE prompt_stmt_opt T_EOL
190 menu_set_type($1->stype);
191 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
192 zconf_curname(), zconf_lineno(),
196 config_option: T_PROMPT prompt if_expr T_EOL
198 menu_add_prompt(P_PROMPT, $2, $3);
199 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
202 config_option: T_DEFAULT expr if_expr T_EOL
204 menu_add_expr(P_DEFAULT, $2, $3);
205 if ($1->stype != S_UNKNOWN)
206 menu_set_type($1->stype);
207 printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
208 zconf_curname(), zconf_lineno(),
212 config_option: T_SELECT T_WORD if_expr T_EOL
214 menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
215 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
218 config_option: T_RANGE symbol symbol if_expr T_EOL
220 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
221 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
224 symbol_option: T_OPTION symbol_option_list T_EOL
229 | symbol_option_list T_WORD symbol_option_arg
231 struct kconf_id *id = kconf_id_lookup($2, strlen($2));
232 if (id && id->flags & TF_OPTION)
233 menu_add_option(id->token, $3);
235 zconfprint("warning: ignoring unknown option %s", $2);
240 /* empty */ { $$ = NULL; }
241 | T_EQUAL prompt { $$ = $2; }
246 choice: T_CHOICE word_opt T_EOL
248 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
249 sym->flags |= SYMBOL_AUTO;
251 menu_add_expr(P_CHOICE, NULL, NULL);
252 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
255 choice_entry: choice choice_option_list
257 $$ = menu_add_menu();
262 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
264 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
268 choice_stmt: choice_entry choice_block choice_end
273 | choice_option_list choice_option
274 | choice_option_list depends
275 | choice_option_list help
276 | choice_option_list T_EOL
277 | choice_option_list option_error
280 choice_option: T_PROMPT prompt if_expr T_EOL
282 menu_add_prompt(P_PROMPT, $2, $3);
283 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
286 choice_option: T_TYPE prompt_stmt_opt T_EOL
288 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
289 menu_set_type($1->stype);
290 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
291 zconf_curname(), zconf_lineno(),
297 choice_option: T_OPTIONAL T_EOL
299 current_entry->sym->flags |= SYMBOL_OPTIONAL;
300 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
303 choice_option: T_DEFAULT T_WORD if_expr T_EOL
305 if ($1->stype == S_UNKNOWN) {
306 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
307 printd(DEBUG_PARSE, "%s:%d:default\n",
308 zconf_curname(), zconf_lineno());
315 | choice_block common_stmt
320 if_entry: T_IF expr nl
322 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
323 menu_add_entry(NULL);
325 $$ = menu_add_menu();
330 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
332 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
336 if_stmt: if_entry if_block if_end
341 | if_block common_stmt
343 | if_block choice_stmt
348 mainmenu_stmt: T_MAINMENU prompt nl
350 menu_add_prompt(P_MENU, $2, NULL);
355 menu: T_MENU prompt T_EOL
357 menu_add_entry(NULL);
358 menu_add_prompt(P_MENU, $2, NULL);
359 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
362 menu_entry: menu visibility_list depends_list
364 $$ = menu_add_menu();
369 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
371 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
375 menu_stmt: menu_entry menu_block menu_end
380 | menu_block common_stmt
381 | menu_block menu_stmt
382 | menu_block choice_stmt
385 source_stmt: T_SOURCE prompt T_EOL
387 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
393 comment: T_COMMENT prompt T_EOL
395 menu_add_entry(NULL);
396 menu_add_prompt(P_COMMENT, $2, NULL);
397 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
400 comment_stmt: comment depends_list
407 help_start: T_HELP T_EOL
409 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
413 help: help_start T_HELPTEXT
415 current_entry->help = $2;
422 | depends_list depends
424 | depends_list option_error
427 depends: T_DEPENDS T_ON expr T_EOL
430 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
433 /* visibility option */
437 | visibility_list visible
438 | visibility_list T_EOL
441 visible: T_VISIBLE if_expr
443 menu_add_visibility($2);
446 /* prompt statement */
452 menu_add_prompt(P_PROMPT, $1, $2);
459 end: T_ENDMENU T_EOL { $$ = $1; }
460 | T_ENDCHOICE T_EOL { $$ = $1; }
461 | T_ENDIF T_EOL { $$ = $1; }
469 if_expr: /* empty */ { $$ = NULL; }
470 | T_IF expr { $$ = $2; }
473 expr: symbol { $$ = expr_alloc_symbol($1); }
474 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
475 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
476 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
477 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
478 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
479 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
482 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
483 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
486 word_opt: /* empty */ { $$ = NULL; }
491 void conf_parse(const char *name)
496 zconf_initscan(name);
500 modules_sym = sym_lookup(NULL, 0);
501 modules_sym->type = S_BOOLEAN;
502 modules_sym->flags |= SYMBOL_AUTO;
503 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
506 if (getenv("ZCONF_DEBUG"))
512 if (!modules_sym->prop) {
513 struct property *prop;
515 prop = prop_alloc(P_DEFAULT, modules_sym);
516 prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
519 rootmenu.prompt->text = _(rootmenu.prompt->text);
520 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
522 menu_finalize(&rootmenu);
523 for_all_symbols(i, sym) {
524 if (sym_check_deps(sym))
529 sym_set_change_count(1);
532 static const char *zconf_tokenname(int token)
535 case T_MENU: return "menu";
536 case T_ENDMENU: return "endmenu";
537 case T_CHOICE: return "choice";
538 case T_ENDCHOICE: return "endchoice";
539 case T_IF: return "if";
540 case T_ENDIF: return "endif";
541 case T_DEPENDS: return "depends";
542 case T_VISIBLE: return "visible";
547 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken)
549 if (id->token != endtoken) {
550 zconf_error("unexpected '%s' within %s block",
551 kconf_id_strings + id->name, zconf_tokenname(starttoken));
555 if (current_menu->file != current_file) {
556 zconf_error("'%s' in different file than '%s'",
557 kconf_id_strings + id->name, zconf_tokenname(starttoken));
558 fprintf(stderr, "%s:%d: location of the '%s'\n",
559 current_menu->file->name, current_menu->lineno,
560 zconf_tokenname(starttoken));
567 static void zconfprint(const char *err, ...)
571 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
573 vfprintf(stderr, err, ap);
575 fprintf(stderr, "\n");
578 static void zconf_error(const char *err, ...)
583 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
585 vfprintf(stderr, err, ap);
587 fprintf(stderr, "\n");
590 static void zconferror(const char *err)
593 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
597 static void print_quoted_string(FILE *out, const char *str)
603 while ((p = strchr(str, '"'))) {
606 fprintf(out, "%.*s", len, str);
614 static void print_symbol(FILE *out, struct menu *menu)
616 struct symbol *sym = menu->sym;
617 struct property *prop;
619 if (sym_is_choice(sym))
620 fprintf(out, "\nchoice\n");
622 fprintf(out, "\nconfig %s\n", sym->name);
625 fputs(" boolean\n", out);
628 fputs(" tristate\n", out);
631 fputs(" string\n", out);
634 fputs(" integer\n", out);
637 fputs(" hex\n", out);
640 fputs(" ???\n", out);
643 for (prop = sym->prop; prop; prop = prop->next) {
644 if (prop->menu != menu)
646 switch (prop->type) {
648 fputs(" prompt ", out);
649 print_quoted_string(out, prop->text);
650 if (!expr_is_yes(prop->visible.expr)) {
652 expr_fprint(prop->visible.expr, out);
657 fputs( " default ", out);
658 expr_fprint(prop->expr, out);
659 if (!expr_is_yes(prop->visible.expr)) {
661 expr_fprint(prop->visible.expr, out);
666 fputs(" #choice value\n", out);
669 fputs( " select ", out);
670 expr_fprint(prop->expr, out);
674 fputs( " range ", out);
675 expr_fprint(prop->expr, out);
679 fputs( " menu ", out);
680 print_quoted_string(out, prop->text);
684 fprintf(out, " unknown prop %d!\n", prop->type);
689 int len = strlen(menu->help);
690 while (menu->help[--len] == '\n')
692 fprintf(out, " help\n%s\n", menu->help);
696 void zconfdump(FILE *out)
698 struct property *prop;
702 menu = rootmenu.list;
704 if ((sym = menu->sym))
705 print_symbol(out, menu);
706 else if ((prop = menu->prompt)) {
707 switch (prop->type) {
709 fputs("\ncomment ", out);
710 print_quoted_string(out, prop->text);
714 fputs("\nmenu ", out);
715 print_quoted_string(out, prop->text);
721 if (!expr_is_yes(prop->visible.expr)) {
722 fputs(" depends ", out);
723 expr_fprint(prop->visible.expr, out);
732 else while ((menu = menu->parent)) {
733 if (menu->prompt && menu->prompt->type == P_MENU)
734 fputs("\nendmenu\n", out);
743 #include "lex.zconf.c"
745 #include "confdata.c"