diff options
Diffstat (limited to 'support/kconfig/menu.c')
| -rw-r--r-- | support/kconfig/menu.c | 75 |
1 files changed, 55 insertions, 20 deletions
diff --git a/support/kconfig/menu.c b/support/kconfig/menu.c index d49f8b8ff..06a93646d 100644 --- a/support/kconfig/menu.c +++ b/support/kconfig/menu.c @@ -3,14 +3,14 @@ * Released under the terms of the GNU GPL v2.0. */ +#include <ctype.h> +#include <stdarg.h> #include <stdlib.h> #include <string.h> -#define LKC_DIRECT_LINK #include "lkc.h" -static const char nohelp_text[] = N_( - "There is no help available for this option.\n"); +static const char nohelp_text[] = "There is no help available for this option."; struct menu rootmenu; static struct menu **last_entry_ptr; @@ -48,7 +48,7 @@ void menu_add_entry(struct symbol *sym) { struct menu *menu; - menu = malloc(sizeof(*menu)); + menu = xmalloc(sizeof(*menu)); memset(menu, 0, sizeof(*menu)); menu->sym = sym; menu->parent = current_menu; @@ -350,7 +350,7 @@ void menu_finalize(struct menu *parent) last_menu->next = NULL; } - sym->dir_dep.expr = parent->dep; + sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep); } for (menu = parent->list; menu; menu = menu->next) { if (sym && sym_is_choice(sym) && @@ -507,10 +507,12 @@ const char *menu_get_help(struct menu *menu) return ""; } -static void get_prompt_str(struct gstr *r, struct property *prop) +static void get_prompt_str(struct gstr *r, struct property *prop, + struct list_head *head) { int i, j; - struct menu *submenu[8], *menu; + struct menu *submenu[8], *menu, *location = NULL; + struct jump_key *jump; str_printf(r, _("Prompt: %s\n"), _(prop->text)); str_printf(r, _(" Defined at %s:%d\n"), prop->menu->file->name, @@ -521,13 +523,44 @@ static void get_prompt_str(struct gstr *r, struct property *prop) str_append(r, "\n"); } menu = prop->menu->parent; - for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) + for (i = 0; menu != &rootmenu && i < 8; menu = menu->parent) { + bool accessible = menu_is_visible(menu); + submenu[i++] = menu; + if (location == NULL && accessible) + location = menu; + } + if (head && location) { + jump = xmalloc(sizeof(struct jump_key)); + + if (menu_is_visible(prop->menu)) { + /* + * There is not enough room to put the hint at the + * beginning of the "Prompt" line. Put the hint on the + * last "Location" line even when it would belong on + * the former. + */ + jump->target = prop->menu; + } else + jump->target = location; + + if (list_empty(head)) + jump->index = 0; + else + jump->index = list_entry(head->prev, struct jump_key, + entries)->index + 1; + + list_add_tail(&jump->entries, head); + } + 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 (head && location && menu == location) + jump->offset = r->len - 1; + 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>"), @@ -538,7 +571,11 @@ static void get_prompt_str(struct gstr *r, struct property *prop) } } -void get_symbol_str(struct gstr *r, struct symbol *sym) +/* + * head is optional and may be NULL + */ +void get_symbol_str(struct gstr *r, struct symbol *sym, + struct list_head *head) { bool hit; struct property *prop; @@ -557,7 +594,7 @@ void get_symbol_str(struct gstr *r, struct symbol *sym) } } for_all_prompts(sym, prop) - get_prompt_str(r, prop); + get_prompt_str(r, prop, head); hit = false; for_all_properties(sym, prop, P_SELECT) { if (!hit) { @@ -577,14 +614,14 @@ void get_symbol_str(struct gstr *r, struct symbol *sym) str_append(r, "\n\n"); } -struct gstr get_relations_str(struct symbol **sym_arr) +struct gstr get_relations_str(struct symbol **sym_arr, struct list_head *head) { struct symbol *sym; struct gstr res = str_new(); int i; for (i = 0; sym_arr && (sym = sym_arr[i]); i++) - get_symbol_str(&res, sym); + get_symbol_str(&res, sym, head); if (!i) str_append(&res, _("No matches found.\n")); return res; @@ -594,16 +631,14 @@ struct gstr get_relations_str(struct symbol **sym_arr) void menu_get_ext_help(struct menu *menu, struct gstr *help) { struct symbol *sym = menu->sym; + const char *help_text = nohelp_text; if (menu_has_help(menu)) { - if (sym->name) { + if (sym->name) str_printf(help, "%s:\n\n", sym->name); - str_append(help, _(menu_get_help(menu))); - str_append(help, "\n"); - } - } else { - str_append(help, nohelp_text); + help_text = menu_get_help(menu); } + str_printf(help, "%s\n", _(help_text)); if (sym) - get_symbol_str(help, sym); + get_symbol_str(help, sym, NULL); } |