diff options
Diffstat (limited to 'scripts/kconfig/zconf.y')
| -rw-r--r-- | scripts/kconfig/zconf.y | 67 |
1 files changed, 39 insertions, 28 deletions
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y index 23dfd3baa7a..0f683cfa53e 100644 --- a/scripts/kconfig/zconf.y +++ b/scripts/kconfig/zconf.y @@ -11,7 +11,6 @@ #include <string.h> #include <stdbool.h> -#define LKC_DIRECT_LINK #include "lkc.h" #define printd(mask, fmt...) if (cdebug & (mask)) printf(fmt) @@ -25,18 +24,14 @@ extern int zconflex(void); static void zconfprint(const char *err, ...); static void zconf_error(const char *err, ...); static void zconferror(const char *err); -static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken); +static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken); struct symbol *symbol_hash[SYMBOL_HASHSIZE]; static struct menu *current_menu, *current_entry; -#define YYDEBUG 0 -#if YYDEBUG -#define YYERROR_VERBOSE -#endif %} -%expect 26 +%expect 30 %union { @@ -45,7 +40,7 @@ static struct menu *current_menu, *current_entry; struct symbol *symbol; struct expr *expr; struct menu *menu; - struct kconf_id *id; + const struct kconf_id *id; } %token <id>T_MAINMENU @@ -68,6 +63,7 @@ static struct menu *current_menu, *current_entry; %token <id>T_DEFAULT %token <id>T_SELECT %token <id>T_RANGE +%token <id>T_VISIBLE %token <id>T_OPTION %token <id>T_ON %token <string> T_WORD @@ -104,14 +100,15 @@ static struct menu *current_menu, *current_entry; %} %% -input: stmt_list; +input: nl start | start; + +start: mainmenu_stmt stmt_list | stmt_list; stmt_list: /* empty */ | stmt_list common_stmt | stmt_list choice_stmt | stmt_list menu_stmt - | stmt_list T_MAINMENU prompt nl | stmt_list end { zconf_error("unexpected end statement"); } | stmt_list T_WORD error T_EOL { zconf_error("unknown statement \"%s\"", $2); } | stmt_list option_name error T_EOL @@ -122,7 +119,7 @@ stmt_list: ; option_name: - T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT + T_DEPENDS | T_PROMPT | T_TYPE | T_SELECT | T_OPTIONAL | T_RANGE | T_DEFAULT | T_VISIBLE ; common_stmt: @@ -227,7 +224,7 @@ symbol_option_list: /* empty */ | symbol_option_list T_WORD symbol_option_arg { - struct kconf_id *id = kconf_id_lookup($2, strlen($2)); + const struct kconf_id *id = kconf_id_lookup($2, strlen($2)); if (id && id->flags & TF_OPTION) menu_add_option(id->token, $3); else @@ -342,6 +339,13 @@ if_block: | if_block choice_stmt ; +/* mainmenu entry */ + +mainmenu_stmt: T_MAINMENU prompt nl +{ + menu_add_prompt(P_MENU, $2, NULL); +}; + /* menu entry */ menu: T_MENU prompt T_EOL @@ -351,7 +355,7 @@ menu: T_MENU prompt T_EOL printd(DEBUG_PARSE, "%s:%d:menu\n", zconf_curname(), zconf_lineno()); }; -menu_entry: menu depends_list +menu_entry: menu visibility_list depends_list { $$ = menu_add_menu(); }; @@ -422,6 +426,19 @@ depends: T_DEPENDS T_ON expr T_EOL printd(DEBUG_PARSE, "%s:%d:depends on\n", zconf_curname(), zconf_lineno()); }; +/* visibility option */ + +visibility_list: + /* empty */ + | visibility_list visible + | visibility_list T_EOL +; + +visible: T_VISIBLE if_expr +{ + menu_add_visibility($2); +}; + /* prompt statement */ prompt_stmt_opt: @@ -476,29 +493,24 @@ void conf_parse(const char *name) sym_init(); _menu_init(); - modules_sym = sym_lookup(NULL, 0); - modules_sym->type = S_BOOLEAN; - modules_sym->flags |= SYMBOL_AUTO; rootmenu.prompt = menu_add_prompt(P_MENU, "Linux Kernel Configuration", NULL); -#if YYDEBUG if (getenv("ZCONF_DEBUG")) zconfdebug = 1; -#endif zconfparse(); if (zconfnerrs) exit(1); - if (!modules_sym->prop) { - struct property *prop; + if (!modules_sym) + modules_sym = sym_find( "n" ); + + rootmenu.prompt->text = _(rootmenu.prompt->text); + rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text); - prop = prop_alloc(P_DEFAULT, modules_sym); - prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0)); - } menu_finalize(&rootmenu); for_all_symbols(i, sym) { if (sym_check_deps(sym)) zconfnerrs++; - } + } if (zconfnerrs) exit(1); sym_set_change_count(1); @@ -514,11 +526,12 @@ static const char *zconf_tokenname(int token) case T_IF: return "if"; case T_ENDIF: return "endif"; case T_DEPENDS: return "depends"; + case T_VISIBLE: return "visible"; } return "<token>"; } -static bool zconf_endtoken(struct kconf_id *id, int starttoken, int endtoken) +static bool zconf_endtoken(const struct kconf_id *id, int starttoken, int endtoken) { if (id->token != endtoken) { zconf_error("unexpected '%s' within %s block", @@ -563,9 +576,7 @@ static void zconf_error(const char *err, ...) static void zconferror(const char *err) { -#if YYDEBUG fprintf(stderr, "%s:%d: %s\n", zconf_curname(), zconf_lineno() + 1, err); -#endif } static void print_quoted_string(FILE *out, const char *str) @@ -714,7 +725,7 @@ void zconfdump(FILE *out) } } -#include "lex.zconf.c" +#include "zconf.lex.c" #include "util.c" #include "confdata.c" #include "expr.c" |