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_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
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_IMPLY T_WORD if_expr T_EOL
222 menu_add_symbol(P_IMPLY, sym_lookup($2, 0), $3);
223 printd(DEBUG_PARSE, "%s:%d:imply\n", zconf_curname(), zconf_lineno());
226 config_option: T_RANGE symbol symbol if_expr T_EOL
228 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
229 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
232 symbol_option: T_OPTION symbol_option_list T_EOL
237 | symbol_option_list T_WORD symbol_option_arg
239 const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
240 if (id && id->flags & TF_OPTION)
241 menu_add_option(id->token, $3);
243 zconfprint("warning: ignoring unknown option %s", $2);
248 /* empty */ { $$ = NULL; }
249 | T_EQUAL prompt { $$ = $2; }
254 choice: T_CHOICE word_opt T_EOL
256 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
257 sym->flags |= SYMBOL_AUTO;
259 menu_add_expr(P_CHOICE, NULL, NULL);
260 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
263 choice_entry: choice choice_option_list
265 $$ = menu_add_menu();
270 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
272 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
276 choice_stmt: choice_entry choice_block choice_end
281 | choice_option_list choice_option
282 | choice_option_list depends
283 | choice_option_list help
284 | choice_option_list T_EOL
285 | choice_option_list option_error
288 choice_option: T_PROMPT prompt if_expr T_EOL
290 menu_add_prompt(P_PROMPT, $2, $3);
291 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
294 choice_option: T_TYPE prompt_stmt_opt T_EOL
296 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
297 menu_set_type($1->stype);
298 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
299 zconf_curname(), zconf_lineno(),
305 choice_option: T_OPTIONAL T_EOL
307 current_entry->sym->flags |= SYMBOL_OPTIONAL;
308 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
311 choice_option: T_DEFAULT T_WORD if_expr T_EOL
313 if ($1->stype == S_UNKNOWN) {
314 menu_add_symbol(P_DEFAULT, sym_lookup($2, 0), $3);
315 printd(DEBUG_PARSE, "%s:%d:default\n",
316 zconf_curname(), zconf_lineno());
323 | choice_block common_stmt
328 if_entry: T_IF expr nl
330 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
331 menu_add_entry(NULL);
333 $$ = menu_add_menu();
338 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
340 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
344 if_stmt: if_entry if_block if_end
349 | if_block common_stmt
351 | if_block choice_stmt
356 mainmenu_stmt: T_MAINMENU prompt nl
358 menu_add_prompt(P_MENU, $2, NULL);
363 menu: T_MENU prompt T_EOL
365 menu_add_entry(NULL);
366 menu_add_prompt(P_MENU, $2, NULL);
367 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
370 menu_entry: menu visibility_list depends_list
372 $$ = menu_add_menu();
377 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
379 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
383 menu_stmt: menu_entry menu_block menu_end
388 | menu_block common_stmt
389 | menu_block menu_stmt
390 | menu_block choice_stmt
393 source_stmt: T_SOURCE prompt T_EOL
395 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
401 comment: T_COMMENT prompt T_EOL
403 menu_add_entry(NULL);
404 menu_add_prompt(P_COMMENT, $2, NULL);
405 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
408 comment_stmt: comment depends_list
415 help_start: T_HELP T_EOL
417 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
421 help: help_start T_HELPTEXT
423 current_entry->help = $2;
430 | depends_list depends
432 | depends_list option_error
435 depends: T_DEPENDS T_ON expr T_EOL
438 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
441 /* visibility option */
445 | visibility_list visible
446 | visibility_list T_EOL
449 visible: T_VISIBLE if_expr
451 menu_add_visibility($2);
454 /* prompt statement */
460 menu_add_prompt(P_PROMPT, $1, $2);
467 end: T_ENDMENU T_EOL { $$ = $1; }
468 | T_ENDCHOICE T_EOL { $$ = $1; }
469 | T_ENDIF T_EOL { $$ = $1; }
477 if_expr: /* empty */ { $$ = NULL; }
478 | T_IF expr { $$ = $2; }
481 expr: symbol { $$ = expr_alloc_symbol($1); }
482 | symbol T_LESS symbol { $$ = expr_alloc_comp(E_LTH, $1, $3); }
483 | symbol T_LESS_EQUAL symbol { $$ = expr_alloc_comp(E_LEQ, $1, $3); }
484 | symbol T_GREATER symbol { $$ = expr_alloc_comp(E_GTH, $1, $3); }
485 | symbol T_GREATER_EQUAL symbol { $$ = expr_alloc_comp(E_GEQ, $1, $3); }
486 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
487 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
488 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
489 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
490 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
491 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
494 symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); }
495 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
498 word_opt: /* empty */ { $$ = NULL; }
503 void conf_parse(const char *name)
508 zconf_initscan(name);
512 rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL);
514 if (getenv("ZCONF_DEBUG"))
520 modules_sym = sym_find( "n" );
522 rootmenu.prompt->text = _(rootmenu.prompt->text);
523 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
525 menu_finalize(&rootmenu);
526 for_all_symbols(i, sym) {
527 if (sym_check_deps(sym))
532 sym_set_change_count(1);
535 static const char *zconf_tokenname(int token)
538 case T_MENU: return "menu";
539 case T_ENDMENU: return "endmenu";
540 case T_CHOICE: return "choice";
541 case T_ENDCHOICE: return "endchoice";
542 case T_IF: return "if";
543 case T_ENDIF: return "endif";
544 case T_DEPENDS: return "depends";
545 case T_VISIBLE: return "visible";
550 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
552 if (id->token != endtoken) {
553 zconf_error("unexpected '%s' within %s block",
554 kconf_id_strings + id->name, zconf_tokenname(starttoken));
558 if (current_menu->file != current_file) {
559 zconf_error("'%s' in different file than '%s'",
560 kconf_id_strings + id->name, zconf_tokenname(starttoken));
561 fprintf(stderr, "%s:%d: location of the '%s'\n",
562 current_menu->file->name, current_menu->lineno,
563 zconf_tokenname(starttoken));
570 static void zconfprint(const char *err, ...)
574 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
576 vfprintf(stderr, err, ap);
578 fprintf(stderr, "\n");
581 static void zconf_error(const char *err, ...)
586 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
588 vfprintf(stderr, err, ap);
590 fprintf(stderr, "\n");
593 static void zconferror(const char *err)
595 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( " imply ", 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"