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 | stmt_list;
116 | stmt_list common_stmt
117 | stmt_list choice_stmt
118 | stmt_list menu_stmt
119 | stmt_list end { zconf_error("unexpected end statement"); }
120 | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
121 | stmt_list option_name error T_EOL
123 zconf_error("unexpected option \"%s\"", $2->name);
125 | stmt_list error T_EOL { zconf_error("invalid statement"); }
129 T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_IMPLY | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE
142 T_WORD error T_EOL { zconf_error("unknown option \"%s\"", $1); }
143 | error T_EOL { zconf_error("invalid option"); }
147 /* config/menuconfig entry */
149 config_entry_start: T_CONFIG nonconst_symbol T_EOL
151 $2->flags |= SYMBOL_OPTIONAL;
153 printd(DEBUG_PARSE, "%s:%d:config %s\n", zconf_curname(), zconf_lineno(), $2->name);
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 nonconst_symbol T_EOL
164 $2->flags |= SYMBOL_OPTIONAL;
166 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
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 nonconst_symbol if_expr T_EOL
215 menu_add_symbol(P_SELECT, $2, $3);
216 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
219 config_option: T_IMPLY nonconst_symbol if_expr T_EOL
221 menu_add_symbol(P_IMPLY, $2, $3);
222 printd(DEBUG_PARSE, "%s:%d:imply\n", zconf_curname(), zconf_lineno());
225 config_option: T_RANGE symbol symbol if_expr T_EOL
227 menu_add_expr(P_RANGE, expr_alloc_comp(E_RANGE,$2, $3), $4);
228 printd(DEBUG_PARSE, "%s:%d:range\n", zconf_curname(), zconf_lineno());
231 symbol_option: T_OPTION symbol_option_list T_EOL
236 | symbol_option_list T_WORD symbol_option_arg
238 const struct kconf_id *id = kconf_id_lookup($2, strlen($2));
239 if (id && id->flags & TF_OPTION) {
240 menu_add_option(id->token, $3);
244 zconfprint("warning: ignoring unknown option %s", $2);
249 /* empty */ { $$ = NULL; }
250 | T_EQUAL prompt { $$ = $2; }
255 choice: T_CHOICE word_opt T_EOL
257 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
258 sym->flags |= SYMBOL_AUTO;
260 menu_add_expr(P_CHOICE, NULL, NULL);
261 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
264 choice_entry: choice choice_option_list
266 $$ = menu_add_menu();
271 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
273 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
277 choice_stmt: choice_entry choice_block choice_end
282 | choice_option_list choice_option
283 | choice_option_list depends
284 | choice_option_list help
285 | choice_option_list T_EOL
286 | choice_option_list option_error
289 choice_option: T_PROMPT prompt if_expr T_EOL
291 menu_add_prompt(P_PROMPT, $2, $3);
292 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
295 choice_option: T_TYPE prompt_stmt_opt T_EOL
297 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
298 menu_set_type($1->stype);
299 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
300 zconf_curname(), zconf_lineno(),
306 choice_option: T_OPTIONAL T_EOL
308 current_entry->sym->flags |= SYMBOL_OPTIONAL;
309 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
312 choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
314 if ($1->stype == S_UNKNOWN) {
315 menu_add_symbol(P_DEFAULT, $2, $3);
316 printd(DEBUG_PARSE, "%s:%d:default\n",
317 zconf_curname(), zconf_lineno());
324 | choice_block common_stmt
329 if_entry: T_IF expr nl
331 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
332 menu_add_entry(NULL);
334 $$ = menu_add_menu();
339 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
341 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
345 if_stmt: if_entry if_block if_end
350 | if_block common_stmt
352 | if_block choice_stmt
357 mainmenu_stmt: T_MAINMENU prompt nl
359 menu_add_prompt(P_MENU, $2, NULL);
364 menu: T_MENU prompt T_EOL
366 menu_add_entry(NULL);
367 menu_add_prompt(P_MENU, $2, NULL);
368 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
371 menu_entry: menu visibility_list depends_list
373 $$ = menu_add_menu();
378 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
380 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
384 menu_stmt: menu_entry menu_block menu_end
389 | menu_block common_stmt
390 | menu_block menu_stmt
391 | menu_block choice_stmt
394 source_stmt: T_SOURCE prompt T_EOL
396 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
403 comment: T_COMMENT prompt T_EOL
405 menu_add_entry(NULL);
406 menu_add_prompt(P_COMMENT, $2, NULL);
407 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
410 comment_stmt: comment depends_list
417 help_start: T_HELP T_EOL
419 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
423 help: help_start T_HELPTEXT
425 current_entry->help = $2;
432 | depends_list depends
434 | depends_list option_error
437 depends: T_DEPENDS T_ON expr T_EOL
440 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
443 /* visibility option */
447 | visibility_list visible
448 | visibility_list T_EOL
451 visible: T_VISIBLE if_expr
453 menu_add_visibility($2);
456 /* prompt statement */
462 menu_add_prompt(P_PROMPT, $1, $2);
469 end: T_ENDMENU T_EOL { $$ = $1; }
470 | T_ENDCHOICE T_EOL { $$ = $1; }
471 | T_ENDIF T_EOL { $$ = $1; }
479 if_expr: /* empty */ { $$ = NULL; }
480 | T_IF expr { $$ = $2; }
483 expr: symbol { $$ = expr_alloc_symbol($1); }
484 | symbol T_LESS symbol { $$ = expr_alloc_comp(E_LTH, $1, $3); }
485 | symbol T_LESS_EQUAL symbol { $$ = expr_alloc_comp(E_LEQ, $1, $3); }
486 | symbol T_GREATER symbol { $$ = expr_alloc_comp(E_GTH, $1, $3); }
487 | symbol T_GREATER_EQUAL symbol { $$ = expr_alloc_comp(E_GEQ, $1, $3); }
488 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
489 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
490 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
491 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
492 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
493 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
496 /* For symbol definitions, selects, etc., where quotes are not accepted */
497 nonconst_symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); };
499 symbol: nonconst_symbol
500 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
503 word_opt: /* empty */ { $$ = NULL; }
508 void conf_parse(const char *name)
513 zconf_initscan(name);
517 rootmenu.prompt = menu_add_prompt(P_MENU, "CARL9170 Firmware Configuration", NULL);
519 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 id->name, zconf_tokenname(starttoken));
563 if (current_menu->file != current_file) {
564 zconf_error("'%s' in different file than '%s'",
565 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( " imply ", out);
681 expr_fprint(prop->expr, out);
685 fputs( " range ", out);
686 expr_fprint(prop->expr, out);
690 fputs( " menu ", out);
691 print_quoted_string(out, prop->text);
695 fprintf(out, " unknown prop %d!\n", prop->type);
700 int len = strlen(menu->help);
701 while (menu->help[--len] == '\n')
703 fprintf(out, " help\n%s\n", menu->help);
707 void zconfdump(FILE *out)
709 struct property *prop;
713 menu = rootmenu.list;
715 if ((sym = menu->sym))
716 print_symbol(out, menu);
717 else if ((prop = menu->prompt)) {
718 switch (prop->type) {
720 fputs("\ncomment ", out);
721 print_quoted_string(out, prop->text);
725 fputs("\nmenu ", out);
726 print_quoted_string(out, prop->text);
732 if (!expr_is_yes(prop->visible.expr)) {
733 fputs(" depends ", out);
734 expr_fprint(prop->visible.expr, out);
743 else while ((menu = menu->parent)) {
744 if (menu->prompt && menu->prompt->type == P_MENU)
745 fputs("\nendmenu\n", out);
754 #include "zconf.lex.c"
756 #include "confdata.c"