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(const struct kconf_id *id, int starttoken, int endtoken);
29 struct symbol *symbol_hash[SYMBOL_HASHSIZE];
31 static struct menu *current_menu, *current_entry;
40 struct symbol *symbol;
43 const struct kconf_id *id;
51 %token <id>T_ENDCHOICE
54 %token <id>T_MENUCONFIG
56 %token <string> T_HELPTEXT
69 %token <string> T_WORD
70 %token <string> T_WORD_QUOTE
78 %left T_EQUAL T_UNEQUAL
86 %type <id> option_name
87 %type <menu> if_entry menu_entry choice_entry
88 %type <string> symbol_option_arg word_opt
91 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
92 $$->file->name, $$->lineno);
93 if (current_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;
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"); }
122 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
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;
147 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
150 config_stmt: config_entry_start config_option_list
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;
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;
169 zconfprint("warning: menuconfig statement without prompt");
171 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
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(),
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());
220 symbol_option: T_OPTION symbol_option_list T_EOL
225 | symbol_option_list T_WORD symbol_option_arg
227 const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
228 if (id && id->flags & TF_OPTION)
229 menu_add_option(id->token, $3);
231 zconfprint("warning: ignoring unknown option %s", $2);
236 /* empty */ { $$ = NULL; }
237 | T_EQUAL prompt { $$ = $2; }
242 choice: T_CHOICE word_opt T_EOL
244 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
245 sym->flags |= SYMBOL_AUTO;
247 menu_add_expr(P_CHOICE, NULL, NULL);
248 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
251 choice_entry: choice choice_option_list
253 $$ = menu_add_menu();
258 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
260 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
264 choice_stmt: choice_entry choice_block choice_end
269 | choice_option_list choice_option
270 | choice_option_list depends
271 | choice_option_list help
272 | choice_option_list T_EOL
273 | choice_option_list option_error
276 choice_option: T_PROMPT prompt if_expr T_EOL
278 menu_add_prompt(P_PROMPT, $2, $3);
279 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
282 choice_option: T_TYPE prompt_stmt_opt T_EOL
284 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
285 menu_set_type($1->stype);
286 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
287 zconf_curname(), zconf_lineno(),
293 choice_option: T_OPTIONAL T_EOL
295 current_entry->sym->flags |= SYMBOL_OPTIONAL;
296 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
299 choice_option: T_DEFAULT T_WORD if_expr T_EOL
301 if ($1->stype == S_UNKNOWN) {
302 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
303 printd(DEBUG_PARSE, "%s:%d:default\n",
304 zconf_curname(), zconf_lineno());
311 | choice_block common_stmt
316 if_entry: T_IF expr nl
318 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
319 menu_add_entry(NULL);
321 $$ = menu_add_menu();
326 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
328 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
332 if_stmt: if_entry if_block if_end
337 | if_block common_stmt
339 | if_block choice_stmt
344 mainmenu_stmt: T_MAINMENU prompt nl
346 menu_add_prompt(P_MENU, $2, NULL);
351 menu: T_MENU prompt T_EOL
353 menu_add_entry(NULL);
354 menu_add_prompt(P_MENU, $2, NULL);
355 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
358 menu_entry: menu visibility_list depends_list
360 $$ = menu_add_menu();
365 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
367 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
371 menu_stmt: menu_entry menu_block menu_end
376 | menu_block common_stmt
377 | menu_block menu_stmt
378 | menu_block choice_stmt
381 source_stmt: T_SOURCE prompt T_EOL
383 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
389 comment: T_COMMENT prompt T_EOL
391 menu_add_entry(NULL);
392 menu_add_prompt(P_COMMENT, $2, NULL);
393 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
396 comment_stmt: comment depends_list
403 help_start: T_HELP T_EOL
405 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
409 help: help_start T_HELPTEXT
411 current_entry->help = $2;
418 | depends_list depends
420 | depends_list option_error
423 depends: T_DEPENDS T_ON expr T_EOL
426 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
429 /* visibility option */
433 | visibility_list visible
434 | visibility_list T_EOL
437 visible: T_VISIBLE if_expr
439 menu_add_visibility($2);
442 /* prompt statement */
448 menu_add_prompt(P_PROMPT, $1, $2);
455 end: T_ENDMENU T_EOL { $$ = $1; }
456 | T_ENDCHOICE T_EOL { $$ = $1; }
457 | T_ENDIF T_EOL { $$ = $1; }
465 if_expr: /* empty */ { $$ = NULL; }
466 | T_IF expr { $$ = $2; }
469 expr: symbol { $$ = expr_alloc_symbol($1); }
470 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
471 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
472 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
473 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
474 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
475 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
478 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
479 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
482 word_opt: /* empty */ { $$ = NULL; }
487 void conf_parse(const char *name)
492 zconf_initscan(name);
496 modules_sym = sym_lookup(NULL, 0);
497 modules_sym->type = S_BOOLEAN;
498 modules_sym->flags |= SYMBOL_AUTO;
499 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
501 if (getenv("ZCONF_DEBUG"))
506 if (!modules_sym->prop) {
507 struct property *prop;
509 prop = prop_alloc(P_DEFAULT, modules_sym);
510 prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
513 rootmenu.prompt->text = _(rootmenu.prompt->text);
514 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
516 menu_finalize(&rootmenu);
517 for_all_symbols(i, sym) {
518 if (sym_check_deps(sym))
523 sym_set_change_count(1);
526 static const char *zconf_tokenname(int token)
529 case T_MENU: return "menu";
530 case T_ENDMENU: return "endmenu";
531 case T_CHOICE: return "choice";
532 case T_ENDCHOICE: return "endchoice";
533 case T_IF: return "if";
534 case T_ENDIF: return "endif";
535 case T_DEPENDS: return "depends";
536 case T_VISIBLE: return "visible";
541 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
543 if (id->token != endtoken) {
544 zconf_error("unexpected '%s' within %s block",
545 kconf_id_strings + id->name, zconf_tokenname(starttoken));
549 if (current_menu->file != current_file) {
550 zconf_error("'%s' in different file than '%s'",
551 kconf_id_strings + id->name, zconf_tokenname(starttoken));
552 fprintf(stderr, "%s:%d: location of the '%s'\n",
553 current_menu->file->name, current_menu->lineno,
554 zconf_tokenname(starttoken));
561 static void zconfprint(const char *err, ...)
565 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
567 vfprintf(stderr, err, ap);
569 fprintf(stderr, "\n");
572 static void zconf_error(const char *err, ...)
577 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
579 vfprintf(stderr, err, ap);
581 fprintf(stderr, "\n");
584 static void zconferror(const char *err)
586 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
589 static void print_quoted_string(FILE *out, const char *str)
595 while ((p = strchr(str, '"'))) {
598 fprintf(out, "%.*s", len, str);
606 static void print_symbol(FILE *out, struct menu *menu)
608 struct symbol *sym = menu->sym;
609 struct property *prop;
611 if (sym_is_choice(sym))
612 fprintf(out, "\nchoice\n");
614 fprintf(out, "\nconfig %s\n", sym->name);
617 fputs(" boolean\n", out);
620 fputs(" tristate\n", out);
623 fputs(" string\n", out);
626 fputs(" integer\n", out);
629 fputs(" hex\n", out);
632 fputs(" ???\n", out);
635 for (prop = sym->prop; prop; prop = prop->next) {
636 if (prop->menu != menu)
638 switch (prop->type) {
640 fputs(" prompt ", out);
641 print_quoted_string(out, prop->text);
642 if (!expr_is_yes(prop->visible.expr)) {
644 expr_fprint(prop->visible.expr, out);
649 fputs( " default ", out);
650 expr_fprint(prop->expr, out);
651 if (!expr_is_yes(prop->visible.expr)) {
653 expr_fprint(prop->visible.expr, out);
658 fputs(" #choice value\n", out);
661 fputs( " select ", out);
662 expr_fprint(prop->expr, out);
666 fputs( " range ", out);
667 expr_fprint(prop->expr, out);
671 fputs( " menu ", out);
672 print_quoted_string(out, prop->text);
676 fprintf(out, " unknown prop %d!\n", prop->type);
681 int len = strlen(menu->help);
682 while (menu->help[--len] == '\n')
684 fprintf(out, " help\n%s\n", menu->help);
688 void zconfdump(FILE *out)
690 struct property *prop;
694 menu = rootmenu.list;
696 if ((sym = menu->sym))
697 print_symbol(out, menu);
698 else if ((prop = menu->prompt)) {
699 switch (prop->type) {
701 fputs("\ncomment ", out);
702 print_quoted_string(out, prop->text);
706 fputs("\nmenu ", out);
707 print_quoted_string(out, prop->text);
713 if (!expr_is_yes(prop->visible.expr)) {
714 fputs(" depends ", out);
715 expr_fprint(prop->visible.expr, out);
724 else while ((menu = menu->parent)) {
725 if (menu->prompt && menu->prompt->type == P_MENU)
726 fputs("\nendmenu\n", out);
735 #include "zconf.lex.c"
737 #include "confdata.c"