X-Git-Url: https://jxself.org/git/?p=carl9170fw.git;a=blobdiff_plain;f=config%2Fmenu.c;h=5c5c1374b151f2a3b25217817d68a0af4b8a120f;hp=c8cec26c25354658c0879abe56df322e5087b626;hb=9c442ba3b556bebdf5e95373d9532f5a5a3af11b;hpb=4d11907abfeb7a1de0080a8c7a7e67ce4fa231db diff --git a/config/menu.c b/config/menu.c index c8cec26..5c5c137 100644 --- a/config/menu.c +++ b/config/menu.c @@ -62,13 +62,8 @@ void menu_add_entry(struct symbol *sym) menu_add_symbol(P_SYMBOL, sym, NULL); } -void menu_end_entry(void) -{ -} - struct menu *menu_add_menu(void) { - menu_end_entry(); last_entry_ptr = ¤t_entry->list; return current_menu = current_entry; } @@ -110,7 +105,7 @@ static struct expr *rewrite_m(struct expr *e) void menu_add_dep(struct expr *dep) { - current_entry->dep = expr_alloc_and(current_entry->dep, rewrite_m(dep)); + current_entry->dep = expr_alloc_and(current_entry->dep, dep); } void menu_set_type(int type) @@ -135,7 +130,7 @@ static struct property *menu_add_prop(enum prop_type type, char *prompt, struct prop->menu = current_entry; prop->expr = expr; - prop->visible.expr = rewrite_m(dep); + prop->visible.expr = dep; if (prompt) { if (isspace(*prompt)) { @@ -217,6 +212,7 @@ void menu_add_option(int token, char *arg) sym_defconfig_list = current_entry->sym; else if (sym_defconfig_list != current_entry->sym) zconf_error("trying to redefine defconfig symbol"); + sym_defconfig_list->flags |= SYMBOL_AUTO; break; case T_OPT_ENV: prop_add_env(arg); @@ -274,13 +270,13 @@ static void sym_check_prop(struct symbol *sym) if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE) prop_warn(prop, "config symbol '%s' uses %s, but is " - "not boolean or tristate", sym->name, use); + "not bool or tristate", sym->name, use); else if (sym2->type != S_UNKNOWN && sym2->type != S_BOOLEAN && sym2->type != S_TRISTATE) prop_warn(prop, "'%s' has wrong type. '%s' only " - "accept arguments of boolean and " + "accept arguments of bool and " "tristate type", sym2->name, use); break; case P_RANGE: @@ -328,10 +324,19 @@ void menu_finalize(struct menu *parent) if (menu->sym && menu->sym->type == S_UNKNOWN) menu_set_type(sym->type); } + + /* + * Use the choice itself as the parent dependency of + * the contained items. This turns the mode of the + * choice into an upper bound on the visibility of the + * choice value symbols. + */ parentdep = expr_alloc_symbol(sym); } else if (parent->prompt) + /* Menu node for 'menu' */ parentdep = parent->prompt->visible.expr; else + /* Menu node for 'if' */ parentdep = parent->dep; /* For each child menu node... */ @@ -340,7 +345,8 @@ void menu_finalize(struct menu *parent) * Propagate parent dependencies to the child menu * node, also rewriting and simplifying expressions */ - basedep = expr_transform(menu->dep); + basedep = rewrite_m(menu->dep); + basedep = expr_transform(basedep); basedep = expr_alloc_and(expr_copy(parentdep), basedep); basedep = expr_eliminate_dups(basedep); menu->dep = basedep; @@ -383,7 +389,8 @@ void menu_finalize(struct menu *parent) * property's condition, rewriting and * simplifying expressions at the same time */ - dep = expr_transform(prop->visible.expr); + dep = rewrite_m(prop->visible.expr); + dep = expr_transform(dep); dep = expr_alloc_and(expr_copy(basedep), dep); dep = expr_eliminate_dups(dep); if (menu->sym && menu->sym->type != S_TRISTATE) @@ -406,6 +413,9 @@ void menu_finalize(struct menu *parent) } } + if (sym && sym_is_choice(sym)) + expr_free(parentdep); + /* * Recursively process children in the same fashion before * moving on @@ -413,31 +423,70 @@ void menu_finalize(struct menu *parent) for (menu = parent->list; menu; menu = menu->next) menu_finalize(menu); } else if (sym) { + /* + * Automatic submenu creation. If sym is a symbol and A, B, C, + * ... are consecutive items (symbols, menus, ifs, etc.) that + * all depend on sym, then the following menu structure is + * created: + * + * sym + * +-A + * +-B + * +-C + * ... + * + * This also works recursively, giving the following structure + * if A is a symbol and B depends on A: + * + * sym + * +-A + * | +-B + * +-C + * ... + */ + basedep = parent->prompt ? parent->prompt->visible.expr : NULL; basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no); basedep = expr_eliminate_dups(expr_transform(basedep)); + + /* Examine consecutive elements after sym */ last_menu = NULL; for (menu = parent->next; menu; menu = menu->next) { dep = menu->prompt ? menu->prompt->visible.expr : menu->dep; if (!expr_contains_symbol(dep, sym)) + /* No dependency, quit */ break; if (expr_depends_symbol(dep, sym)) + /* Absolute dependency, put in submenu */ goto next; + + /* + * Also consider it a dependency on sym if our + * dependencies contain sym and are a "superset" of + * sym's dependencies, e.g. '(sym || Q) && R' when sym + * depends on R. + * + * Note that 'R' might be from an enclosing menu or if, + * making this a more common case than it might seem. + */ dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no); dep = expr_eliminate_dups(expr_transform(dep)); dep2 = expr_copy(basedep); expr_eliminate_eq(&dep, &dep2); expr_free(dep); if (!expr_is_yes(dep2)) { + /* Not superset, quit */ expr_free(dep2); break; } + /* Superset, put in submenu */ expr_free(dep2); next: menu_finalize(menu); menu->parent = parent; last_menu = menu; } + expr_free(basedep); if (last_menu) { parent->list = parent->next; parent->next = last_menu->next; @@ -486,6 +535,35 @@ void menu_finalize(struct menu *parent) *ep = expr_alloc_one(E_LIST, NULL); (*ep)->right.sym = menu->sym; } + + /* + * This code serves two purposes: + * + * (1) Flattening 'if' blocks, which do not specify a submenu + * and only add dependencies. + * + * (Automatic submenu creation might still create a submenu + * from an 'if' before this code runs.) + * + * (2) "Undoing" any automatic submenus created earlier below + * promptless symbols. + * + * Before: + * + * A + * if ... (or promptless symbol) + * +-B + * +-C + * D + * + * After: + * + * A + * if ... (or promptless symbol) + * B + * C + * D + */ if (menu->list && (!menu->prompt || !menu->prompt->text)) { for (last_menu = menu->list; ; last_menu = last_menu->next) { last_menu->parent = parent; @@ -510,6 +588,15 @@ void menu_finalize(struct menu *parent) sym->flags |= SYMBOL_WARNED; } + /* + * For non-optional choices, add a reverse dependency (corresponding to + * a select) of ' && m'. This prevents the user from + * setting the choice mode to 'n' when the choice is visible. + * + * This would also work for non-choice symbols, but only non-optional + * choices clear SYMBOL_OPTIONAL as of writing. Choices are implemented + * as a type of symbol. + */ if (sym && !sym_is_optional(sym) && parent->prompt) { sym->rev_dep.expr = expr_alloc_or(sym->rev_dep.expr, expr_alloc_and(parent->prompt->visible.expr, @@ -741,16 +828,16 @@ static void get_symbol_str(struct gstr *r, struct symbol *sym, get_symbol_props_str(r, sym, P_SELECT, _(" Selects: ")); if (sym->rev_dep.expr) { - str_append(r, _(" Selected by: ")); - expr_gstr_print(sym->rev_dep.expr, r); - str_append(r, "\n"); + expr_gstr_print_revdep(sym->rev_dep.expr, r, yes, " Selected by [y]:\n"); + expr_gstr_print_revdep(sym->rev_dep.expr, r, mod, " Selected by [m]:\n"); + expr_gstr_print_revdep(sym->rev_dep.expr, r, no, " Selected by [n]:\n"); } get_symbol_props_str(r, sym, P_IMPLY, _(" Implies: ")); if (sym->implied.expr) { - str_append(r, _(" Implied by: ")); - expr_gstr_print(sym->implied.expr, r); - str_append(r, "\n"); + expr_gstr_print_revdep(sym->implied.expr, r, yes, " Implied by [y]:\n"); + expr_gstr_print_revdep(sym->implied.expr, r, mod, " Implied by [m]:\n"); + expr_gstr_print_revdep(sym->implied.expr, r, no, " Implied by [n]:\n"); } str_append(r, "\n\n");