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Diffstat (limited to 'scripts/kconfig/menu.c')
-rw-r--r--scripts/kconfig/menu.c84
1 files changed, 82 insertions, 2 deletions
diff --git a/scripts/kconfig/menu.c b/scripts/kconfig/menu.c
index 07ff8d105c9..059a2465c57 100644
--- a/scripts/kconfig/menu.c
+++ b/scripts/kconfig/menu.c
@@ -9,6 +9,9 @@
#define LKC_DIRECT_LINK
#include "lkc.h"
+static const char nohelp_text[] = N_(
+ "There is no help available for this kernel option.\n");
+
struct menu rootmenu;
static struct menu **last_entry_ptr;
@@ -74,7 +77,7 @@ void menu_end_menu(void)
current_menu = current_menu->parent;
}
-struct expr *menu_check_dep(struct expr *e)
+static struct expr *menu_check_dep(struct expr *e)
{
if (!e)
return e;
@@ -184,7 +187,7 @@ static int menu_range_valid_sym(struct symbol *sym, struct symbol *sym2)
(sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
}
-void sym_check_prop(struct symbol *sym)
+static void sym_check_prop(struct symbol *sym)
{
struct property *prop;
struct symbol *sym2;
@@ -451,3 +454,80 @@ const char *menu_get_help(struct menu *menu)
else
return "";
}
+
+static void get_prompt_str(struct gstr *r, struct property *prop)
+{
+ int i, j;
+ struct menu *submenu[8], *menu;
+
+ str_printf(r, _("Prompt: %s\n"), _(prop->text));
+ str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name,
+ prop->menu->lineno);
+ if (!expr_is_yes(prop->visible.expr)) {
+ str_append(r, _(" Depends on: "));
+ expr_gstr_print(prop->visible.expr, r);
+ str_append(r, "\n");
+ }
+ menu = prop->menu->parent;
+ for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent)
+ submenu[i++] = menu;
+ if (i > 0) {
+ str_printf(r, _(" Location:\n"));
+ for (j = 4; --i >= 0; j += 2) {
+ menu = submenu[i];
+ str_printf(r, "%*c-> %s", j, ' ', _(menu_get_prompt(menu)));
+ if (menu->sym) {
+ str_printf(r, " (%s [=%s])", menu->sym->name ?
+ menu->sym->name : _("<choice>"),
+ sym_get_string_value(menu->sym));
+ }
+ str_append(r, "\n");
+ }
+ }
+}
+
+void get_symbol_str(struct gstr *r, struct symbol *sym)
+{
+ bool hit;
+ struct property *prop;
+
+ if (sym && sym->name)
+ str_printf(r, "Symbol: %s [=%s]\n", sym->name,
+ sym_get_string_value(sym));
+ for_all_prompts(sym, prop)
+ get_prompt_str(r, prop);
+ hit = false;
+ for_all_properties(sym, prop, P_SELECT) {
+ if (!hit) {
+ str_append(r, " Selects: ");
+ hit = true;
+ } else
+ str_printf(r, " && ");
+ expr_gstr_print(prop->expr, r);
+ }
+ if (hit)
+ str_append(r, "\n");
+ if (sym->rev_dep.expr) {
+ str_append(r, _(" Selected by: "));
+ expr_gstr_print(sym->rev_dep.expr, r);
+ str_append(r, "\n");
+ }
+ str_append(r, "\n\n");
+}
+
+void menu_get_ext_help(struct menu *menu, struct gstr *help)
+{
+ struct symbol *sym = menu->sym;
+
+ if (menu_has_help(menu)) {
+ if (sym->name) {
+ str_printf(help, "CONFIG_%s:\n\n", sym->name);
+ str_append(help, _(menu_get_help(menu)));
+ str_append(help, "\n");
+ }
+ } else {
+ str_append(help, nohelp_text);
+ }
+ if (sym)
+ get_symbol_str(help, sym);
+}