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Diffstat (limited to 'scripts/kconfig/zconf.y')
-rw-r--r--scripts/kconfig/zconf.y53
1 files changed, 26 insertions, 27 deletions
diff --git a/scripts/kconfig/zconf.y b/scripts/kconfig/zconf.y
index 2abd3c7ff15..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 28
+%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
@@ -123,7 +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:
@@ -228,7 +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
@@ -359,7 +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();
};
@@ -430,6 +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:
@@ -484,24 +493,15 @@ 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;
-
- prop = prop_alloc(P_DEFAULT, modules_sym);
- prop->expr = expr_alloc_symbol(sym_lookup("MODULES", 0));
- }
+ if (!modules_sym)
+ modules_sym = sym_find( "n" );
rootmenu.prompt->text = _(rootmenu.prompt->text);
rootmenu.prompt->text = sym_expand_string_value(rootmenu.prompt->text);
@@ -510,7 +510,7 @@ void conf_parse(const char *name)
for_all_symbols(i, sym) {
if (sym_check_deps(sym))
zconfnerrs++;
- }
+ }
if (zconfnerrs)
exit(1);
sym_set_change_count(1);
@@ -526,11 +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",
@@ -575,9 +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)
@@ -726,7 +725,7 @@ void zconfdump(FILE *out)
}
}
-#include "lex.zconf.c"
+#include "zconf.lex.c"
#include "util.c"
#include "confdata.c"
#include "expr.c"