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
92 %type <id> option_name
93 %type <menu> if_entry menu_entry choice_entry
94 %type <string> symbol_option_arg word_opt
97 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
98 $$->file->name, $$->lineno);
99 if (current_menu == $$)
101 } if_entry menu_entry choice_entry
104 /* Include zconf.hash.c here so it can see the token constants. */
105 #include "zconf.hash.c"
109 input: nl start | start;
111 start: mainmenu_stmt stmt_list | stmt_list;
115 | stmt_list common_stmt
116 | stmt_list choice_stmt
117 | stmt_list menu_stmt
118 | stmt_list end { zconf_error("unexpected end statement"); }
119 | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
120 | stmt_list option_name error T_EOL
122 zconf_error("unexpected option \"%s\"", kconf_id_strings + $2->name);
124 | stmt_list error T_EOL { zconf_error("invalid statement"); }
128 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE | T_RESET
141 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
142 | error T_EOL { zconf_error("invalid option"); }
146 /* config/menuconfig entry */
148 config_entry_start: T_CONFIG T_WORD T_EOL
150 struct symbol *sym = sym_lookup($2, 0);
151 sym->flags |= SYMBOL_OPTIONAL;
153 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2);
156 config_stmt: config_entry_start config_option_list
159 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
162 menuconfig_entry_start: T_MENUCONFIG T_WORD T_EOL
164 struct symbol *sym = sym_lookup($2, 0);
165 sym->flags |= SYMBOL_OPTIONAL;
167 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2);
170 menuconfig_stmt: menuconfig_entry_start config_option_list
172 if (current_entry->prompt)
173 current_entry->prompt->type = P_MENU;
175 zconfprint("warning: menuconfig statement without prompt");
177 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
182 | config_option_list config_option
183 | config_option_list symbol_option
184 | config_option_list depends
185 | config_option_list help
186 | config_option_list option_error
187 | config_option_list T_EOL
190 config_option: T_TYPE prompt_stmt_opt T_EOL
192 menu_set_type($1->stype);
193 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
194 zconf_curname(), zconf_lineno(),
198 config_option: T_PROMPT prompt if_expr T_EOL
200 menu_add_prompt(P_PROMPT, $2, $3);
201 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
204 config_option: T_DEFAULT expr if_expr T_EOL
206 menu_add_expr(P_DEFAULT, $2, $3);
207 if ($1->stype != S_UNKNOWN)
208 menu_set_type($1->stype);
209 printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
210 zconf_curname(), zconf_lineno(),
214 config_option: T_SELECT T_WORD if_expr T_EOL
216 menu_add_symbol(P_SELECT, sym_lookup($2, 0), $3);
217 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
220 config_option: T_RANGE symbol symbol if_expr T_EOL
222 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
223 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
226 symbol_option: T_OPTION symbol_option_list T_EOL
231 | symbol_option_list T_WORD symbol_option_arg
233 const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
234 if (id && id->flags & TF_OPTION)
235 menu_add_option(id->token, $3);
237 zconfprint("warning: ignoring unknown option %s", $2);
242 /* empty */ { $$ = NULL; }
243 | T_EQUAL prompt { $$ = $2; }
248 choice: T_CHOICE word_opt T_EOL
250 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
251 sym->flags |= SYMBOL_AUTO;
253 menu_add_expr(P_CHOICE, NULL, NULL);
254 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
257 choice_entry: choice choice_option_list
259 $$ = menu_add_menu();
264 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
266 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
270 choice_stmt: choice_entry choice_block choice_end
275 | choice_option_list choice_option
276 | choice_option_list depends
277 | choice_option_list help
278 | choice_option_list T_EOL
279 | choice_option_list option_error
282 choice_option: T_PROMPT prompt if_expr T_EOL
284 menu_add_prompt(P_PROMPT, $2, $3);
285 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
288 choice_option: T_TYPE prompt_stmt_opt T_EOL
290 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
291 menu_set_type($1->stype);
292 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
293 zconf_curname(), zconf_lineno(),
299 choice_option: T_OPTIONAL T_EOL
301 current_entry->sym->flags |= SYMBOL_OPTIONAL;
302 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
305 choice_option: T_RESET if_expr T_EOL
307 menu_add_prop(P_RESET, NULL, NULL, $2);
310 choice_option: T_DEFAULT T_WORD if_expr T_EOL
312 if ($1->stype == S_UNKNOWN) {
313 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
314 printd(DEBUG_PARSE, "%s:%d:default\n",
315 zconf_curname(), zconf_lineno());
322 | choice_block common_stmt
327 if_entry: T_IF expr nl
329 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
330 menu_add_entry(NULL);
332 $$ = menu_add_menu();
337 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
339 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
343 if_stmt: if_entry if_block if_end
348 | if_block common_stmt
350 | if_block choice_stmt
355 mainmenu_stmt: T_MAINMENU prompt nl
357 menu_add_prompt(P_MENU, $2, NULL);
362 menu: T_MENU prompt T_EOL
364 menu_add_entry(NULL);
365 menu_add_prompt(P_MENU, $2, NULL);
366 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
369 menu_entry: menu visibility_list depends_list
371 $$ = menu_add_menu();
376 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
378 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
382 menu_stmt: menu_entry menu_block menu_end
387 | menu_block common_stmt
388 | menu_block menu_stmt
389 | menu_block choice_stmt
392 source_stmt: T_SOURCE prompt T_EOL
394 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
400 comment: T_COMMENT prompt T_EOL
402 menu_add_entry(NULL);
403 menu_add_prompt(P_COMMENT, $2, NULL);
404 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
407 comment_stmt: comment depends_list
414 help_start: T_HELP T_EOL
416 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
420 help: help_start T_HELPTEXT
422 current_entry->help = $2;
429 | depends_list depends
431 | depends_list option_error
434 depends: T_DEPENDS T_ON expr T_EOL
437 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
438 } | T_DEPENDS expr T_EOL
441 zconfprint("warning: deprecated 'depends' syntax, use 'depends on' instead.");
444 /* visibility option */
448 | visibility_list visible
449 | visibility_list T_EOL
452 visible: T_VISIBLE if_expr
454 menu_add_visibility($2);
457 /* prompt statement */
463 menu_add_prompt(P_PROMPT, $1, $2);
470 end: T_ENDMENU T_EOL { $$ = $1; }
471 | T_ENDCHOICE T_EOL { $$ = $1; }
472 | T_ENDIF T_EOL { $$ = $1; }
480 if_expr: /* empty */ { $$ = NULL; }
481 | T_IF expr { $$ = $2; }
484 expr: symbol { $$ = expr_alloc_symbol($1); }
485 | symbol T_LESS symbol { $$ = expr_alloc_comp(E_LTH, $1, $3); }
486 | symbol T_LESS_EQUAL symbol { $$ = expr_alloc_comp(E_LEQ, $1, $3); }
487 | symbol T_GREATER symbol { $$ = expr_alloc_comp(E_GTH, $1, $3); }
488 | symbol T_GREATER_EQUAL symbol { $$ = expr_alloc_comp(E_GEQ, $1, $3); }
489 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
490 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
491 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
492 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
493 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
494 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
497 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
498 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
501 word_opt: /* empty */ { $$ = NULL; }
506 void conf_parse(const char *name)
511 zconf_initscan(name);
515 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
518 if (getenv("ZCONF_DEBUG"))
525 modules_sym = sym_find( "n" );
527 rootmenu.prompt->text = _(rootmenu.prompt->text);
528 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
530 menu_finalize(&rootmenu);
531 for_all_symbols(i, sym) {
532 if (sym_check_deps(sym))
537 sym_set_change_count(1);
540 static const char *zconf_tokenname(int token)
543 case T_MENU: return "menu";
544 case T_ENDMENU: return "endmenu";
545 case T_CHOICE: return "choice";
546 case T_ENDCHOICE: return "endchoice";
547 case T_IF: return "if";
548 case T_ENDIF: return "endif";
549 case T_DEPENDS: return "depends";
550 case T_VISIBLE: return "visible";
555 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
557 if (id->token != endtoken) {
558 zconf_error("unexpected '%s' within %s block",
559 kconf_id_strings + id->name, zconf_tokenname(starttoken));
563 if (current_menu->file != current_file) {
564 zconf_error("'%s' in different file than '%s'",
565 kconf_id_strings + id->name, zconf_tokenname(starttoken));
566 fprintf(stderr, "%s:%d: location of the '%s'\n",
567 current_menu->file->name, current_menu->lineno,
568 zconf_tokenname(starttoken));
575 static void zconfprint(const char *err, ...)
579 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
581 vfprintf(stderr, err, ap);
583 fprintf(stderr, "\n");
586 static void zconf_error(const char *err, ...)
591 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
593 vfprintf(stderr, err, ap);
595 fprintf(stderr, "\n");
598 static void zconferror(const char *err)
600 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
603 static void print_quoted_string(FILE *out, const char *str)
609 while ((p = strchr(str, '"'))) {
612 fprintf(out, "%.*s", len, str);
620 static void print_symbol(FILE *out, struct menu *menu)
622 struct symbol *sym = menu->sym;
623 struct property *prop;
625 if (sym_is_choice(sym))
626 fprintf(out, "\nchoice\n");
628 fprintf(out, "\nconfig %s\n", sym->name);
631 fputs(" boolean\n", out);
634 fputs(" tristate\n", out);
637 fputs(" string\n", out);
640 fputs(" integer\n", out);
643 fputs(" hex\n", out);
646 fputs(" ???\n", out);
649 for (prop = sym->prop; prop; prop = prop->next) {
650 if (prop->menu != menu)
652 switch (prop->type) {
654 fputs(" prompt ", out);
655 print_quoted_string(out, prop->text);
656 if (!expr_is_yes(prop->visible.expr)) {
658 expr_fprint(prop->visible.expr, out);
663 fputs( " default ", out);
664 expr_fprint(prop->expr, out);
665 if (!expr_is_yes(prop->visible.expr)) {
667 expr_fprint(prop->visible.expr, out);
672 fputs(" #choice value\n", out);
675 fputs( " select ", out);
676 expr_fprint(prop->expr, out);
680 fputs( " range ", out);
681 expr_fprint(prop->expr, out);
685 fputs( " menu ", out);
686 print_quoted_string(out, prop->text);
690 fprintf(out, " unknown prop %d!\n", prop->type);
695 int len = strlen(menu->help);
696 while (menu->help[--len] == '\n')
698 fprintf(out, " help\n%s\n", menu->help);
702 void zconfdump(FILE *out)
704 struct property *prop;
708 menu = rootmenu.list;
710 if ((sym = menu->sym))
711 print_symbol(out, menu);
712 else if ((prop = menu->prompt)) {
713 switch (prop->type) {
715 fputs("\ncomment ", out);
716 print_quoted_string(out, prop->text);
720 fputs("\nmenu ", out);
721 print_quoted_string(out, prop->text);
727 if (!expr_is_yes(prop->visible.expr)) {
728 fputs(" depends ", out);
729 expr_fprint(prop->visible.expr, out);
738 else while ((menu = menu->parent)) {
739 if (menu->prompt && menu->prompt->type == P_MENU)
740 fputs("\nendmenu\n", out);
749 #include "zconf.lex.c"
751 #include "confdata.c"