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
24 static void yyerror(const char *err);
25 static void zconfprint(const char *err, ...);
26 static void zconf_error(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;
39 struct symbol *symbol;
42 const struct kconf_id *id;
43 enum symbol_type type;
44 enum variable_flavor flavor;
52 %token <id>T_ENDCHOICE
55 %token <id>T_MENUCONFIG
57 %token <string> T_HELPTEXT
68 %token <string> T_WORD
69 %token <string> T_WORD_QUOTE
70 %token T_ALLNOCONFIG_Y
75 %token T_DEFCONFIG_LIST
87 %token <string> T_VARIABLE
88 %token <string> T_ASSIGN_VAL
92 %left T_EQUAL T_UNEQUAL
93 %left T_LESS T_LESS_EQUAL T_GREATER T_GREATER_EQUAL
97 %type <symbol> nonconst_symbol
99 %type <type> type logic_type default
103 %type <menu> if_entry menu_entry choice_entry
104 %type <string> word_opt assign_val
105 %type <flavor> assign_op
108 fprintf(stderr, "%s:%d: missing end statement for this entry\n",
109 $$->file->name, $$->lineno);
110 if (current_menu == $$)
112 } if_entry menu_entry choice_entry
115 /* Include kconf_id.c here so it can see the token constants. */
116 #include "kconf_id.c"
120 input: mainmenu_stmt stmt_list | stmt_list;
124 mainmenu_stmt: T_MAINMENU prompt T_EOL
126 menu_add_prompt(P_MENU, $2, NULL);
131 | stmt_list common_stmt
132 | stmt_list choice_stmt
133 | stmt_list menu_stmt
134 | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); }
135 | stmt_list error T_EOL { zconf_error("invalid statement"); }
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
158 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
161 menuconfig_entry_start: T_MENUCONFIG nonconst_symbol T_EOL
163 $2->flags |= SYMBOL_OPTIONAL;
165 printd(DEBUG_PARSE, "%s:%d:menuconfig %s\n", zconf_curname(), zconf_lineno(), $2->name);
168 menuconfig_stmt: menuconfig_entry_start config_option_list
170 if (current_entry->prompt)
171 current_entry->prompt->type = P_MENU;
173 zconfprint("warning: menuconfig statement without prompt");
174 printd(DEBUG_PARSE, "%s:%d:endconfig\n", zconf_curname(), zconf_lineno());
179 | config_option_list config_option
180 | config_option_list depends
181 | config_option_list help
184 config_option: type prompt_stmt_opt T_EOL
187 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
188 zconf_curname(), zconf_lineno(),
192 config_option: T_PROMPT prompt if_expr T_EOL
194 menu_add_prompt(P_PROMPT, $2, $3);
195 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
198 config_option: default expr if_expr T_EOL
200 menu_add_expr(P_DEFAULT, $2, $3);
203 printd(DEBUG_PARSE, "%s:%d:default(%u)\n",
204 zconf_curname(), zconf_lineno(),
208 config_option: T_SELECT nonconst_symbol if_expr T_EOL
210 menu_add_symbol(P_SELECT, $2, $3);
211 printd(DEBUG_PARSE, "%s:%d:select\n", zconf_curname(), zconf_lineno());
214 config_option: T_IMPLY nonconst_symbol if_expr T_EOL
216 menu_add_symbol(P_IMPLY, $2, $3);
217 printd(DEBUG_PARSE, "%s:%d:imply\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 config_option: T_OPTION T_MODULES T_EOL
228 menu_add_option_modules();
231 config_option: T_OPTION T_DEFCONFIG_LIST T_EOL
233 menu_add_option_defconfig_list();
236 config_option: T_OPTION T_ALLNOCONFIG_Y T_EOL
238 menu_add_option_allnoconfig_y();
243 choice: T_CHOICE word_opt T_EOL
245 struct symbol *sym = sym_lookup($2, SYMBOL_CHOICE);
246 sym->flags |= SYMBOL_NO_WRITE;
248 menu_add_expr(P_CHOICE, NULL, NULL);
250 printd(DEBUG_PARSE, "%s:%d:choice\n", zconf_curname(), zconf_lineno());
253 choice_entry: choice choice_option_list
255 $$ = menu_add_menu();
260 if (zconf_endtoken($1, T_CHOICE, T_ENDCHOICE)) {
262 printd(DEBUG_PARSE, "%s:%d:endchoice\n", zconf_curname(), zconf_lineno());
266 choice_stmt: choice_entry choice_block choice_end
271 | choice_option_list choice_option
272 | choice_option_list depends
273 | choice_option_list help
276 choice_option: T_PROMPT prompt if_expr T_EOL
278 menu_add_prompt(P_PROMPT, $2, $3);
279 printd(DEBUG_PARSE, "%s:%d:prompt\n", zconf_curname(), zconf_lineno());
282 choice_option: logic_type prompt_stmt_opt T_EOL
285 printd(DEBUG_PARSE, "%s:%d:type(%u)\n",
286 zconf_curname(), zconf_lineno(), $1);
289 choice_option: T_OPTIONAL T_EOL
291 current_entry->sym->flags |= SYMBOL_OPTIONAL;
292 printd(DEBUG_PARSE, "%s:%d:optional\n", zconf_curname(), zconf_lineno());
295 choice_option: T_DEFAULT nonconst_symbol if_expr T_EOL
297 menu_add_symbol(P_DEFAULT, $2, $3);
298 printd(DEBUG_PARSE, "%s:%d:default\n",
299 zconf_curname(), zconf_lineno());
304 | T_INT { $$ = S_INT; }
305 | T_HEX { $$ = S_HEX; }
306 | T_STRING { $$ = S_STRING; }
309 T_BOOL { $$ = S_BOOLEAN; }
310 | T_TRISTATE { $$ = S_TRISTATE; }
313 T_DEFAULT { $$ = S_UNKNOWN; }
314 | T_DEF_BOOL { $$ = S_BOOLEAN; }
315 | T_DEF_TRISTATE { $$ = S_TRISTATE; }
319 | choice_block common_stmt
324 if_entry: T_IF expr T_EOL
326 printd(DEBUG_PARSE, "%s:%d:if\n", zconf_curname(), zconf_lineno());
327 menu_add_entry(NULL);
329 $$ = menu_add_menu();
334 if (zconf_endtoken($1, T_IF, T_ENDIF)) {
336 printd(DEBUG_PARSE, "%s:%d:endif\n", zconf_curname(), zconf_lineno());
340 if_stmt: if_entry stmt_list if_end
345 menu: T_MENU prompt T_EOL
347 menu_add_entry(NULL);
348 menu_add_prompt(P_MENU, $2, NULL);
349 printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno());
352 menu_entry: menu menu_option_list
354 $$ = menu_add_menu();
359 if (zconf_endtoken($1, T_MENU, T_ENDMENU)) {
361 printd(DEBUG_PARSE, "%s:%d:endmenu\n", zconf_curname(), zconf_lineno());
365 menu_stmt: menu_entry stmt_list menu_end
370 | menu_option_list visible
371 | menu_option_list depends
374 source_stmt: T_SOURCE prompt T_EOL
376 printd(DEBUG_PARSE, "%s:%d:source %s\n", zconf_curname(), zconf_lineno(), $2);
383 comment: T_COMMENT prompt T_EOL
385 menu_add_entry(NULL);
386 menu_add_prompt(P_COMMENT, $2, NULL);
387 printd(DEBUG_PARSE, "%s:%d:comment\n", zconf_curname(), zconf_lineno());
390 comment_stmt: comment comment_option_list
395 | comment_option_list depends
400 help_start: T_HELP T_EOL
402 printd(DEBUG_PARSE, "%s:%d:help\n", zconf_curname(), zconf_lineno());
406 help: help_start T_HELPTEXT
408 if (current_entry->help) {
409 free(current_entry->help);
410 zconfprint("warning: '%s' defined with more than one help text -- only the last one will be used",
411 current_entry->sym->name ?: "<choice>");
414 /* Is the help text empty or all whitespace? */
415 if ($2[strspn($2, " \f\n\r\t\v")] == '\0')
416 zconfprint("warning: '%s' defined with blank help text",
417 current_entry->sym->name ?: "<choice>");
419 current_entry->help = $2;
424 depends: T_DEPENDS T_ON expr T_EOL
427 printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno());
430 /* visibility option */
431 visible: T_VISIBLE if_expr T_EOL
433 menu_add_visibility($2);
436 /* prompt statement */
442 menu_add_prompt(P_PROMPT, $1, $2);
449 end: T_ENDMENU T_EOL { $$ = $1; }
450 | T_ENDCHOICE T_EOL { $$ = $1; }
451 | T_ENDIF T_EOL { $$ = $1; }
454 if_expr: /* empty */ { $$ = NULL; }
455 | T_IF expr { $$ = $2; }
458 expr: symbol { $$ = expr_alloc_symbol($1); }
459 | symbol T_LESS symbol { $$ = expr_alloc_comp(E_LTH, $1, $3); }
460 | symbol T_LESS_EQUAL symbol { $$ = expr_alloc_comp(E_LEQ, $1, $3); }
461 | symbol T_GREATER symbol { $$ = expr_alloc_comp(E_GTH, $1, $3); }
462 | symbol T_GREATER_EQUAL symbol { $$ = expr_alloc_comp(E_GEQ, $1, $3); }
463 | symbol T_EQUAL symbol { $$ = expr_alloc_comp(E_EQUAL, $1, $3); }
464 | symbol T_UNEQUAL symbol { $$ = expr_alloc_comp(E_UNEQUAL, $1, $3); }
465 | T_OPEN_PAREN expr T_CLOSE_PAREN { $$ = $2; }
466 | T_NOT expr { $$ = expr_alloc_one(E_NOT, $2); }
467 | expr T_OR expr { $$ = expr_alloc_two(E_OR, $1, $3); }
468 | expr T_AND expr { $$ = expr_alloc_two(E_AND, $1, $3); }
471 /* For symbol definitions, selects, etc., where quotes are not accepted */
472 nonconst_symbol: T_WORD { $$ = sym_lookup($1, 0); free($1); };
474 symbol: nonconst_symbol
475 | T_WORD_QUOTE { $$ = sym_lookup($1, SYMBOL_CONST); free($1); }
478 word_opt: /* empty */ { $$ = NULL; }
481 /* assignment statement */
483 assignment_stmt: T_VARIABLE assign_op assign_val T_EOL { variable_add($1, $3, $2); free($1); free($3); }
486 T_EQUAL { $$ = VAR_RECURSIVE; }
487 | T_COLON_EQUAL { $$ = VAR_SIMPLE; }
488 | T_PLUS_EQUAL { $$ = VAR_APPEND; }
492 /* empty */ { $$ = xstrdup(""); };
498 void conf_parse(const char *name)
503 zconf_initscan(name);
506 rootmenu.prompt = menu_add_prompt(P_MENU, "CARL9170 Firmware Configuration", NULL);
508 if (getenv("ZCONF_DEBUG"))
512 /* Variables are expanded in the parse phase. We can free them here. */
518 modules_sym = sym_find( "n" );
520 if (!menu_has_prompt(&rootmenu)) {
521 current_entry = &rootmenu;
522 menu_add_prompt(P_MENU, "Main menu", NULL);
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 id->name, zconf_tokenname(starttoken));
558 if (current_menu->file != current_file) {
559 zconf_error("'%s' in different file than '%s'",
560 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 yyerror(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(" bool\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 fputs( " symbol ", out);
691 fprintf(out, "%s\n", prop->sym->name);
694 fprintf(out, " unknown prop %d!\n", prop->type);
699 int len = strlen(menu->help);
700 while (menu->help[--len] == '\n')
702 fprintf(out, " help\n%s\n", menu->help);
706 void zconfdump(FILE *out)
708 struct property *prop;
712 menu = rootmenu.list;
714 if ((sym = menu->sym))
715 print_symbol(out, menu);
716 else if ((prop = menu->prompt)) {
717 switch (prop->type) {
719 fputs("\ncomment ", out);
720 print_quoted_string(out, prop->text);
724 fputs("\nmenu ", out);
725 print_quoted_string(out, prop->text);
731 if (!expr_is_yes(prop->visible.expr)) {
732 fputs(" depends ", out);
733 expr_fprint(prop->visible.expr, out);
742 else while ((menu = menu->parent)) {
743 if (menu->prompt && menu->prompt->type == P_MENU)
744 fputs("\nendmenu\n", out);
753 #include "zconf.lex.c"
755 #include "confdata.c"
759 #include "preprocess.c"