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);
242 zconfprint("warning: ignoring unknown option %s", $2);
247 /* empty */ { $$ = NULL; }
248 | T_EQUAL prompt { $$ = $2; }
253 choice: T_CHOICE word_opt T_EOL
255 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
256 sym->flags |= SYMBOL_AUTO;
258 menu_add_expr(P_CHOICE, NULL, NULL);
259 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
262 choice_entry: choice choice_option_list
264 $$ = menu_add_menu();
269 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
271 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
275 choice_stmt: choice_entry choice_block choice_end
280 | choice_option_list choice_option
281 | choice_option_list depends
282 | choice_option_list help
283 | choice_option_list T_EOL
284 | choice_option_list option_error
287 choice_option: T_PROMPT prompt if_expr T_EOL
289 menu_add_prompt(P_PROMPT, $2, $3);
290 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
293 choice_option: T_TYPE prompt_stmt_opt T_EOL
295 if ($1->stype == S_BOOLEAN || $1->stype == S_TRISTATE) {
296 menu_set_type($1->stype);
297 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
298 zconf_curname(), zconf_lineno(),
304 choice_option: T_OPTIONAL T_EOL
306 current_entry->sym->flags |= SYMBOL_OPTIONAL;
307 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
310 choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
312 if ($1->stype == S_UNKNOWN) {
313 menu_add_symbol(P_DEFAULT, $2, $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);
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 /* For symbol definitions, selects, etc., where quotes are not accepted */
495 nonconst_symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); };
497 symbol: nonconst_symbol
498 | T_WORD_QUOTE { $$ = 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, "CARL9170 Firmware Configuration", NULL);
517 if (getenv("ZCONF_DEBUG"))
523 modules_sym = sym_find( "n" );
525 rootmenu.prompt->text = _(rootmenu.prompt->text);
526 rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
528 menu_finalize(&rootmenu);
529 for_all_symbols(i, sym) {
530 if (sym_check_deps(sym))
535 sym_set_change_count(1);
538 static const char *zconf_tokenname(int token)
541 case T_MENU: return "menu";
542 case T_ENDMENU: return "endmenu";
543 case T_CHOICE: return "choice";
544 case T_ENDCHOICE: return "endchoice";
545 case T_IF: return "if";
546 case T_ENDIF: return "endif";
547 case T_DEPENDS: return "depends";
548 case T_VISIBLE: return "visible";
553 static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken)
555 if (id->token != endtoken) {
556 zconf_error("unexpected '%s' within %s block",
557 id->name, zconf_tokenname(starttoken));
561 if (current_menu->file != current_file) {
562 zconf_error("'%s' in different file than '%s'",
563 id->name, zconf_tokenname(starttoken));
564 fprintf(stderr, "%s:%d: location of the '%s'\n",
565 current_menu->file->name, current_menu->lineno,
566 zconf_tokenname(starttoken));
573 static void zconfprint(const char *err, ...)
577 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
579 vfprintf(stderr, err, ap);
581 fprintf(stderr, "\n");
584 static void zconf_error(const char *err, ...)
589 fprintf(stderr, "%s:%d: ", zconf_curname(), zconf_lineno());
591 vfprintf(stderr, err, ap);
593 fprintf(stderr, "\n");
596 static void zconferror(const char *err)
598 fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err);
601 static void print_quoted_string(FILE *out, const char *str)
607 while ((p = strchr(str, '"'))) {
610 fprintf(out, "%.*s", len, str);
618 static void print_symbol(FILE *out, struct menu *menu)
620 struct symbol *sym = menu->sym;
621 struct property *prop;
623 if (sym_is_choice(sym))
624 fprintf(out, "\nchoice\n");
626 fprintf(out, "\nconfig %s\n", sym->name);
629 fputs(" boolean\n", out);
632 fputs(" tristate\n", out);
635 fputs(" string\n", out);
638 fputs(" integer\n", out);
641 fputs(" hex\n", out);
644 fputs(" ???\n", out);
647 for (prop = sym->prop; prop; prop = prop->next) {
648 if (prop->menu != menu)
650 switch (prop->type) {
652 fputs(" prompt ", out);
653 print_quoted_string(out, prop->text);
654 if (!expr_is_yes(prop->visible.expr)) {
656 expr_fprint(prop->visible.expr, out);
661 fputs( " default ", out);
662 expr_fprint(prop->expr, out);
663 if (!expr_is_yes(prop->visible.expr)) {
665 expr_fprint(prop->visible.expr, out);
670 fputs(" #choice value\n", out);
673 fputs( " select ", out);
674 expr_fprint(prop->expr, out);
678 fputs( " imply ", out);
679 expr_fprint(prop->expr, out);
683 fputs( " range ", out);
684 expr_fprint(prop->expr, out);
688 fputs( " menu ", out);
689 print_quoted_string(out, prop->text);
693 fprintf(out, " unknown prop %d!\n", prop->type);
698 int len = strlen(menu->help);
699 while (menu->help[--len] == '\n')
701 fprintf(out, " help\n%s\n", menu->help);
705 void zconfdump(FILE *out)
707 struct property *prop;
711 menu = rootmenu.list;
713 if ((sym = menu->sym))
714 print_symbol(out, menu);
715 else if ((prop = menu->prompt)) {
716 switch (prop->type) {
718 fputs("\ncomment ", out);
719 print_quoted_string(out, prop->text);
723 fputs("\nmenu ", out);
724 print_quoted_string(out, prop->text);
730 if (!expr_is_yes(prop->visible.expr)) {
731 fputs(" depends ", out);
732 expr_fprint(prop->visible.expr, out);
741 else while ((menu = menu->parent)) {
742 if (menu->prompt && menu->prompt->type == P_MENU)
743 fputs("\nendmenu\n", out);
752 #include "zconf.lex.c"
754 #include "confdata.c"