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[SYMBOL_HASHSIZE];
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
74 %token <string> T_WORD
75 %token <string> T_WORD_QUOTE
83 %left T_EQUAL T_UNEQUAL
91 %type <id> option_name
92 %type <menu> if_entry menu_entry choice_entry
93 %type <string> symbol_option_arg word_opt
96 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
97 $$->file->name, $$->lineno);
98 if (current_menu == $$)
100 } if_entry menu_entry choice_entry
103 /* Include zconf.hash.c here so it can see the token constants. */
104 #include "zconf.hash.c"
108 input: nl start | start;
110 start: mainmenu_stmt stmt_list | stmt_list;
114 | stmt_list common_stmt
115 | stmt_list choice_stmt
116 | stmt_list menu_stmt
117 | stmt_list end { zconf_error("unexpected end statement"); }
118 | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
119 | stmt_list option_name error T_EOL
121 zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
123 | stmt_list error T_EOL { zconf_error("invalid statement"); }
127 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
140 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
141 | error T_EOL { zconf_error("invalid option"); }
145 /* config/menuconfig entry */
147 config_entry_start: T_CONFIG T_WORD T_EOL
149 struct symbol *sym = sym_lookup($2, 0);
150 sym->flags |= SYMBOL_OPTIONAL;
152 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
155 config_stmt: config_entry_start config_option_list
158 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
161 menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
163 struct symbol *sym = sym_lookup($2, 0);
164 sym->flags |= SYMBOL_OPTIONAL;
166 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
169 menuconfig_stmt: menuconfig_entry_start config_option_list
171 if (current_entry->prompt)
172 current_entry->prompt->type = P_MENU;
174 zconfprint("warning: menuconfig statement without prompt");
176 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
181 | config_option_list config_option
182 | config_option_list symbol_option
183 | config_option_list depends
184 | config_option_list help
185 | config_option_list option_error
186 | config_option_list T_EOL
189 config_option: T_TYPE prompt_stmt_opt T_EOL
191 menu_set_type($1->stype);
192 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
193 zconf_curname(), zconf_lineno(),
197 config_option: T_PROMPT prompt if_expr T_EOL
199 menu_add_prompt(P_PROMPT, $2, $3);
200 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
203 config_option: T_DEFAULT expr if_expr T_EOL
205 menu_add_expr(P_DEFAULT, $2, $3);
206 if ($1->stype != S_UNKNOWN)
207 menu_set_type($1->stype);
208 printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
209 zconf_curname(), zconf_lineno(),
213 config_option: T_SELECT T_WORD if_expr T_EOL
215 menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
216 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
219 config_option: T_RANGE symbol symbol if_expr T_EOL
221 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
222 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
225 symbol_option: T_OPTION symbol_option_list T_EOL
230 | symbol_option_list T_WORD symbol_option_arg
232 struct kconf_id *id = kconf_id_lookup($2, strlen($2));
233 if (id && id->flags & TF_OPTION)
234 menu_add_option(id->token, $3);
236 zconfprint("warning: ignoring unknown option %s", $2);
241 /* empty */ { $$ = NULL; }
242 | T_EQUAL prompt { $$ = $2; }
247 choice: T_CHOICE word_opt T_EOL
249 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
250 sym->flags |= SYMBOL_AUTO;
252 menu_add_expr(P_CHOICE, NULL, NULL);
253 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
256 choice_entry: choice choice_option_list
258 $$ = menu_add_menu();
263 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
265 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
269 choice_stmt: choice_entry choice_block choice_end
274 | choice_option_list choice_option
275 | choice_option_list depends
276 | choice_option_list help
277 | choice_option_list T_EOL
278 | choice_option_list option_error
281 choice_option: T_PROMPT prompt if_expr T_EOL
283 menu_add_prompt(P_PROMPT, $2, $3);
284 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
287 choice_option: T_TYPE prompt_stmt_opt T_EOL
289 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
290 menu_set_type($1->stype);
291 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
292 zconf_curname(), zconf_lineno(),
298 choice_option: T_OPTIONAL T_EOL
300 current_entry->sym->flags |= SYMBOL_OPTIONAL;
301 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
304 choice_option: T_DEFAULT T_WORD if_expr T_EOL
306 if ($1->stype == S_UNKNOWN) {
307 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
308 printd(DEBUG_PARSE, "%s:%d:default\n",
309 zconf_curname(), zconf_lineno());
316 | choice_block common_stmt
321 if_entry: T_IF expr nl
323 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
324 menu_add_entry(NULL);
326 $$ = menu_add_menu();
331 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
333 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
337 if_stmt: if_entry if_block if_end
342 | if_block common_stmt
344 | if_block choice_stmt
349 mainmenu_stmt: T_MAINMENU prompt nl
351 menu_add_prompt(P_MENU, $2, NULL);
356 menu: T_MENU prompt T_EOL
358 menu_add_entry(NULL);
359 menu_add_prompt(P_MENU, $2, NULL);
360 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
363 menu_entry: menu visibility_list depends_list
365 $$ = menu_add_menu();
370 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
372 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
376 menu_stmt: menu_entry menu_block menu_end
381 | menu_block common_stmt
382 | menu_block menu_stmt
383 | menu_block choice_stmt
386 source_stmt: T_SOURCE prompt T_EOL
388 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
394 comment: T_COMMENT prompt T_EOL
396 menu_add_entry(NULL);
397 menu_add_prompt(P_COMMENT, $2, NULL);
398 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
401 comment_stmt: comment depends_list
408 help_start: T_HELP T_EOL
410 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
414 help: help_start T_HELPTEXT
416 current_entry->help = $2;
423 | depends_list depends
425 | depends_list option_error
428 depends: T_DEPENDS T_ON expr T_EOL
431 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
434 /* visibility option */
438 | visibility_list visible
439 | visibility_list T_EOL
442 visible: T_VISIBLE if_expr
444 menu_add_visibility($2);
447 /* prompt statement */
453 menu_add_prompt(P_PROMPT, $1, $2);
460 end: T_ENDMENU T_EOL { $$ = $1; }
461 | T_ENDCHOICE T_EOL { $$ = $1; }
462 | T_ENDIF T_EOL { $$ = $1; }
470 if_expr: /* empty */ { $$ = NULL; }
471 | T_IF expr { $$ = $2; }
474 expr: symbol { $$ = expr_alloc_symbol($1); }
475 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
476 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
477 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
478 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
479 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
480 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
483 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
484 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
487 word_opt: /* empty */ { $$ = NULL; }
492 void conf_parse(const char *name)
497 zconf_initscan(name);
501 modules_sym = sym_lookup(NULL, 0);
502 modules_sym->type = S_BOOLEAN;
503 modules_sym->flags |= SYMBOL_AUTO;
504 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
507 if (getenv("ZCONF_DEBUG"))
513 if (!modules_sym->prop) {
514 struct property *prop;
516 prop = prop_alloc(P_DEFAULT, modules_sym);
517 prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
520 rootmenu.prompt->text = _(rootmenu.prompt->text);
521 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
523 menu_finalize(&rootmenu);
524 for_all_symbols(i, sym) {
525 if (sym_check_deps(sym))
530 sym_set_change_count(1);
533 static const char *zconf_tokenname(int token)
536 case T_MENU: return "menu";
537 case T_ENDMENU: return "endmenu";
538 case T_CHOICE: return "choice";
539 case T_ENDCHOICE: return "endchoice";
540 case T_IF: return "if";
541 case T_ENDIF: return "endif";
542 case T_DEPENDS: return "depends";
543 case T_VISIBLE: return "visible";
548 static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken)
550 if (id->token != endtoken) {
551 zconf_error("unexpected '%s' within %s block",
552 kconf_id_strings + id->name, zconf_tokenname(starttoken));
556 if (current_menu->file != current_file) {
557 zconf_error("'%s' in different file than '%s'",
558 kconf_id_strings + id->name, zconf_tokenname(starttoken));
559 fprintf(stderr, "%s:%d: location of the '%s'\n",
560 current_menu->file->name, current_menu->lineno,
561 zconf_tokenname(starttoken));
568 static void zconfprint(const char *err, ...)
572 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
574 vfprintf(stderr, err, ap);
576 fprintf(stderr, "\n");
579 static void zconf_error(const char *err, ...)
584 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
586 vfprintf(stderr, err, ap);
588 fprintf(stderr, "\n");
591 static void zconferror(const char *err)
594 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
598 static void print_quoted_string(FILE *out, const char *str)
604 while ((p = strchr(str, '"'))) {
607 fprintf(out, "%.*s", len, str);
615 static void print_symbol(FILE *out, struct menu *menu)
617 struct symbol *sym = menu->sym;
618 struct property *prop;
620 if (sym_is_choice(sym))
621 fprintf(out, "\nchoice\n");
623 fprintf(out, "\nconfig %s\n", sym->name);
626 fputs(" boolean\n", out);
629 fputs(" tristate\n", out);
632 fputs(" string\n", out);
635 fputs(" integer\n", out);
638 fputs(" hex\n", out);
641 fputs(" ???\n", out);
644 for (prop = sym->prop; prop; prop = prop->next) {
645 if (prop->menu != menu)
647 switch (prop->type) {
649 fputs(" prompt ", out);
650 print_quoted_string(out, prop->text);
651 if (!expr_is_yes(prop->visible.expr)) {
653 expr_fprint(prop->visible.expr, out);
658 fputs( " default ", out);
659 expr_fprint(prop->expr, out);
660 if (!expr_is_yes(prop->visible.expr)) {
662 expr_fprint(prop->visible.expr, out);
667 fputs(" #choice value\n", out);
670 fputs( " select ", out);
671 expr_fprint(prop->expr, out);
675 fputs( " range ", out);
676 expr_fprint(prop->expr, out);
680 fputs( " menu ", out);
681 print_quoted_string(out, prop->text);
685 fprintf(out, " unknown prop %d!\n", prop->type);
690 int len = strlen(menu->help);
691 while (menu->help[--len] == '\n')
693 fprintf(out, " help\n%s\n", menu->help);
697 void zconfdump(FILE *out)
699 struct property *prop;
703 menu = rootmenu.list;
705 if ((sym = menu->sym))
706 print_symbol(out, menu);
707 else if ((prop = menu->prompt)) {
708 switch (prop->type) {
710 fputs("\ncomment ", out);
711 print_quoted_string(out, prop->text);
715 fputs("\nmenu ", out);
716 print_quoted_string(out, prop->text);
722 if (!expr_is_yes(prop->visible.expr)) {
723 fputs(" depends ", out);
724 expr_fprint(prop->visible.expr, out);
733 else while ((menu = menu->parent)) {
734 if (menu->prompt && menu->prompt->type == P_MENU)
735 fputs("\nendmenu\n", out);
744 #include "lex.zconf.c"
746 #include "confdata.c"