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
70 %token <string> T_WORD
71 %token <string> T_WORD_QUOTE
76 %token T_GREATER_EQUAL
83 %left T_EQUAL T_UNEQUAL
84 %left T_LESS T_LESS_EQUAL T_GREATER T_GREATER_EQUAL
88 %type <symbol> nonconst_symbol
93 %type <id> option_name
94 %type <menu> if_entry menu_entry choice_entry
95 %type <string> symbol_option_arg word_opt
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
105 /* Include kconf_id.c here so it can see the token constants. */
106 #include "kconf_id.c"
110 input: nl start | start;
112 start: mainmenu_stmt stmt_list | no_mainmenu_stmt stmt_list;
116 mainmenu_stmt: T_MAINMENU prompt nl
118 menu_add_prompt(P_MENU, $2, NULL);
121 /* Default main menu, if there's no mainmenu entry */
123 no_mainmenu_stmt: /* empty */
126 * Hack: Keep the main menu title on the heap so we can safely free it
127 * later regardless of whether it comes from the 'prompt' in
128 * mainmenu_stmt or here
130 menu_add_prompt(P_MENU, strdup("Linux Kernel Configuration"), NULL);
136 | stmt_list common_stmt
137 | stmt_list choice_stmt
138 | stmt_list menu_stmt
139 | stmt_list end { zconf_error("unexpected end statement"); }
140 | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
141 | stmt_list option_name error T_EOL
143 zconf_error("unexpected option \"%s\"", $2->name);
145 | stmt_list error T_EOL { zconf_error("invalid statement"); }
149 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
162 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
163 | error T_EOL { zconf_error("invalid option"); }
167 /* config/menuconfig entry */
169 config_entry_start: T_CONFIG nonconst_symbol T_EOL
171 $2->flags |= SYMBOL_OPTIONAL;
173 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2->name);
176 config_stmt: config_entry_start config_option_list
179 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
182 menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL
184 $2->flags |= SYMBOL_OPTIONAL;
186 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
189 menuconfig_stmt: menuconfig_entry_start config_option_list
191 if (current_entry->prompt)
192 current_entry->prompt->type = P_MENU;
194 zconfprint("warning: menuconfig statement without prompt");
196 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
201 | config_option_list config_option
202 | config_option_list symbol_option
203 | config_option_list depends
204 | config_option_list help
205 | config_option_list option_error
206 | config_option_list T_EOL
209 config_option: T_TYPE prompt_stmt_opt T_EOL
211 menu_set_type($1->stype);
212 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
213 zconf_curname(), zconf_lineno(),
217 config_option: T_PROMPT prompt if_expr T_EOL
219 menu_add_prompt(P_PROMPT, $2, $3);
220 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
223 config_option: T_DEFAULT expr if_expr T_EOL
225 menu_add_expr(P_DEFAULT, $2, $3);
226 if ($1->stype != S_UNKNOWN)
227 menu_set_type($1->stype);
228 printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
229 zconf_curname(), zconf_lineno(),
233 config_option: T_SELECT nonconst_symbol if_expr T_EOL
235 menu_add_symbol(P_SELECT, $2, $3);
236 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
239 config_option: T_IMPLY nonconst_symbol if_expr T_EOL
241 menu_add_symbol(P_IMPLY, $2, $3);
242 printd(DEBUG_PARSE, "%s:%d:imply\n", zconf_curname(), zconf_lineno());
245 config_option: T_RANGE symbol symbol if_expr T_EOL
247 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
248 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
251 symbol_option: T_OPTION symbol_option_list T_EOL
256 | symbol_option_list T_WORD symbol_option_arg
258 const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
259 if (id && id->flags & TF_OPTION) {
260 menu_add_option(id->token, $3);
264 zconfprint("warning: ignoring unknown option %s", $2);
269 /* empty */ { $$ = NULL; }
270 | T_EQUAL prompt { $$ = $2; }
275 choice: T_CHOICE word_opt T_EOL
277 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
278 sym->flags |= SYMBOL_AUTO;
280 menu_add_expr(P_CHOICE, NULL, NULL);
281 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
284 choice_entry: choice choice_option_list
286 $$ = menu_add_menu();
291 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
293 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
297 choice_stmt: choice_entry choice_block choice_end
302 | choice_option_list choice_option
303 | choice_option_list depends
304 | choice_option_list help
305 | choice_option_list T_EOL
306 | choice_option_list option_error
309 choice_option: T_PROMPT prompt if_expr T_EOL
311 menu_add_prompt(P_PROMPT, $2, $3);
312 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
315 choice_option: T_TYPE prompt_stmt_opt T_EOL
317 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
318 menu_set_type($1->stype);
319 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
320 zconf_curname(), zconf_lineno(),
326 choice_option: T_OPTIONAL T_EOL
328 current_entry->sym->flags |= SYMBOL_OPTIONAL;
329 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
332 choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
334 if ($1->stype == S_UNKNOWN) {
335 menu_add_symbol(P_DEFAULT, $2, $3);
336 printd(DEBUG_PARSE, "%s:%d:default\n",
337 zconf_curname(), zconf_lineno());
344 | choice_block common_stmt
349 if_entry: T_IF expr nl
351 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
352 menu_add_entry(NULL);
354 $$ = menu_add_menu();
359 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
361 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
365 if_stmt: if_entry if_block if_end
370 | if_block common_stmt
372 | if_block choice_stmt
377 menu: T_MENU prompt T_EOL
379 menu_add_entry(NULL);
380 menu_add_prompt(P_MENU, $2, NULL);
381 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
384 menu_entry: menu visibility_list depends_list
386 $$ = menu_add_menu();
391 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
393 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
397 menu_stmt: menu_entry menu_block menu_end
402 | menu_block common_stmt
403 | menu_block menu_stmt
404 | menu_block choice_stmt
407 source_stmt: T_SOURCE prompt T_EOL
409 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
416 comment: T_COMMENT prompt T_EOL
418 menu_add_entry(NULL);
419 menu_add_prompt(P_COMMENT, $2, NULL);
420 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
423 comment_stmt: comment depends_list
430 help_start: T_HELP T_EOL
432 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
436 help: help_start T_HELPTEXT
438 current_entry->help = $2;
445 | depends_list depends
447 | depends_list option_error
450 depends: T_DEPENDS T_ON expr T_EOL
453 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
456 /* visibility option */
460 | visibility_list visible
461 | visibility_list T_EOL
464 visible: T_VISIBLE if_expr
466 menu_add_visibility($2);
469 /* prompt statement */
475 menu_add_prompt(P_PROMPT, $1, $2);
482 end: T_ENDMENU T_EOL { $$ = $1; }
483 | T_ENDCHOICE T_EOL { $$ = $1; }
484 | T_ENDIF T_EOL { $$ = $1; }
492 if_expr: /* empty */ { $$ = NULL; }
493 | T_IF expr { $$ = $2; }
496 expr: symbol { $$ = expr_alloc_symbol($1); }
497 | symbol T_LESS symbol { $$ = expr_alloc_comp(E_LTH, $1, $3); }
498 | symbol T_LESS_EQUAL symbol { $$ = expr_alloc_comp(E_LEQ, $1, $3); }
499 | symbol T_GREATER symbol { $$ = expr_alloc_comp(E_GTH, $1, $3); }
500 | symbol T_GREATER_EQUAL symbol { $$ = expr_alloc_comp(E_GEQ, $1, $3); }
501 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
502 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
503 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
504 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
505 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
506 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
509 /* For symbol definitions, selects, etc., where quotes are not accepted */
510 nonconst_symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); };
512 symbol: nonconst_symbol
513 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
516 word_opt: /* empty */ { $$ = NULL; }
521 void conf_parse(const char *name)
527 zconf_initscan(name);
531 rootmenu.prompt = menu_add_prompt(P_MENU, "CARL9170 Firmware Configuration", NULL);
533 if (getenv("ZCONF_DEBUG"))
539 modules_sym = sym_find( "n" );
541 tmp = rootmenu.prompt->text;
542 rootmenu.prompt->text = _(rootmenu.prompt->text);
543 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
546 menu_finalize(&rootmenu);
547 for_all_symbols(i, sym) {
548 if (sym_check_deps(sym))
553 sym_set_change_count(1);
556 static const char *zconf_tokenname(int token)
559 case T_MENU: return "menu";
560 case T_ENDMENU: return "endmenu";
561 case T_CHOICE: return "choice";
562 case T_ENDCHOICE: return "endchoice";
563 case T_IF: return "if";
564 case T_ENDIF: return "endif";
565 case T_DEPENDS: return "depends";
566 case T_VISIBLE: return "visible";
571 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
573 if (id->token != endtoken) {
574 zconf_error("unexpected '%s' within %s block",
575 id->name, zconf_tokenname(starttoken));
579 if (current_menu->file != current_file) {
580 zconf_error("'%s' in different file than '%s'",
581 id->name, zconf_tokenname(starttoken));
582 fprintf(stderr, "%s:%d: location of the '%s'\n",
583 current_menu->file->name, current_menu->lineno,
584 zconf_tokenname(starttoken));
591 static void zconfprint(const char *err, ...)
595 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
597 vfprintf(stderr, err, ap);
599 fprintf(stderr, "\n");
602 static void zconf_error(const char *err, ...)
607 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
609 vfprintf(stderr, err, ap);
611 fprintf(stderr, "\n");
614 static void zconferror(const char *err)
616 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
619 static void print_quoted_string(FILE *out, const char *str)
625 while ((p = strchr(str, '"'))) {
628 fprintf(out, "%.*s", len, str);
636 static void print_symbol(FILE *out, struct menu *menu)
638 struct symbol *sym = menu->sym;
639 struct property *prop;
641 if (sym_is_choice(sym))
642 fprintf(out, "\nchoice\n");
644 fprintf(out, "\nconfig %s\n", sym->name);
647 fputs(" boolean\n", out);
650 fputs(" tristate\n", out);
653 fputs(" string\n", out);
656 fputs(" integer\n", out);
659 fputs(" hex\n", out);
662 fputs(" ???\n", out);
665 for (prop = sym->prop; prop; prop = prop->next) {
666 if (prop->menu != menu)
668 switch (prop->type) {
670 fputs(" prompt ", out);
671 print_quoted_string(out, prop->text);
672 if (!expr_is_yes(prop->visible.expr)) {
674 expr_fprint(prop->visible.expr, out);
679 fputs( " default ", out);
680 expr_fprint(prop->expr, out);
681 if (!expr_is_yes(prop->visible.expr)) {
683 expr_fprint(prop->visible.expr, out);
688 fputs(" #choice value\n", out);
691 fputs( " select ", out);
692 expr_fprint(prop->expr, out);
696 fputs( " imply ", out);
697 expr_fprint(prop->expr, out);
701 fputs( " range ", out);
702 expr_fprint(prop->expr, out);
706 fputs( " menu ", out);
707 print_quoted_string(out, prop->text);
711 fprintf(out, " unknown prop %d!\n", prop->type);
716 int len = strlen(menu->help);
717 while (menu->help[--len] == '\n')
719 fprintf(out, " help\n%s\n", menu->help);
723 void zconfdump(FILE *out)
725 struct property *prop;
729 menu = rootmenu.list;
731 if ((sym = menu->sym))
732 print_symbol(out, menu);
733 else if ((prop = menu->prompt)) {
734 switch (prop->type) {
736 fputs("\ncomment ", out);
737 print_quoted_string(out, prop->text);
741 fputs("\nmenu ", out);
742 print_quoted_string(out, prop->text);
748 if (!expr_is_yes(prop->visible.expr)) {
749 fputs(" depends ", out);
750 expr_fprint(prop->visible.expr, out);
759 else while ((menu = menu->parent)) {
760 if (menu->prompt && menu->prompt->type == P_MENU)
761 fputs("\nendmenu\n", out);
770 #include "zconf.lex.c"
772 #include "confdata.c"