871 lines
22 KiB
C
871 lines
22 KiB
C
/*
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* Copyright (C) 2002 Roman Zippel <zippel@linux-m68k.org>
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* Released under the terms of the GNU GPL v2.0.
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*/
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#include <ctype.h>
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#include <stdarg.h>
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#include <stdlib.h>
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#include <string.h>
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#include "lkc.h"
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static const char nohelp_text[] = "There is no help available for this option.";
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struct menu rootmenu;
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static struct menu **last_entry_ptr;
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struct file *file_list;
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struct file *current_file;
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void menu_warn(struct menu *menu, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s:%d:warning: ", menu->file->name, menu->lineno);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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}
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static void prop_warn(struct property *prop, const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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fprintf(stderr, "%s:%d:warning: ", prop->file->name, prop->lineno);
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vfprintf(stderr, fmt, ap);
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fprintf(stderr, "\n");
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va_end(ap);
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}
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void _menu_init(void)
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{
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current_entry = current_menu = &rootmenu;
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last_entry_ptr = &rootmenu.list;
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}
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void menu_add_entry(struct symbol *sym)
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{
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struct menu *menu;
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menu = xmalloc(sizeof(*menu));
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memset(menu, 0, sizeof(*menu));
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menu->sym = sym;
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menu->parent = current_menu;
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menu->file = current_file;
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menu->lineno = zconf_lineno();
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*last_entry_ptr = menu;
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last_entry_ptr = &menu->next;
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current_entry = menu;
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if (sym)
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menu_add_symbol(P_SYMBOL, sym, NULL);
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}
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struct menu *menu_add_menu(void)
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{
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last_entry_ptr = ¤t_entry->list;
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return current_menu = current_entry;
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}
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void menu_end_menu(void)
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{
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last_entry_ptr = ¤t_menu->next;
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current_menu = current_menu->parent;
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}
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/*
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* Rewrites 'm' to 'm' && MODULES, so that it evaluates to 'n' when running
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* without modules
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*/
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static struct expr *rewrite_m(struct expr *e)
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{
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if (!e)
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return e;
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switch (e->type) {
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case E_NOT:
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e->left.expr = rewrite_m(e->left.expr);
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break;
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case E_OR:
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case E_AND:
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e->left.expr = rewrite_m(e->left.expr);
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e->right.expr = rewrite_m(e->right.expr);
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break;
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case E_SYMBOL:
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/* change 'm' into 'm' && MODULES */
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if (e->left.sym == &symbol_mod)
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return expr_alloc_and(e, expr_alloc_symbol(modules_sym));
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break;
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default:
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break;
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}
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return e;
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}
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void menu_add_dep(struct expr *dep)
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{
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current_entry->dep = expr_alloc_and(current_entry->dep, dep);
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}
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void menu_set_type(int type)
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{
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struct symbol *sym = current_entry->sym;
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if (sym->type == type)
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return;
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if (sym->type == S_UNKNOWN) {
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sym->type = type;
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return;
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}
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menu_warn(current_entry,
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"ignoring type redefinition of '%s' from '%s' to '%s'",
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sym->name ? sym->name : "<choice>",
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sym_type_name(sym->type), sym_type_name(type));
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}
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static struct property *menu_add_prop(enum prop_type type, char *prompt, struct expr *expr, struct expr *dep)
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{
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struct property *prop = prop_alloc(type, current_entry->sym);
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prop->menu = current_entry;
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prop->expr = expr;
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prop->visible.expr = dep;
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if (prompt) {
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if (isspace(*prompt)) {
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prop_warn(prop, "leading whitespace ignored");
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while (isspace(*prompt))
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prompt++;
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}
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if (current_entry->prompt && current_entry != &rootmenu)
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prop_warn(prop, "prompt redefined");
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/* Apply all upper menus' visibilities to actual prompts. */
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if(type == P_PROMPT) {
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struct menu *menu = current_entry;
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while ((menu = menu->parent) != NULL) {
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struct expr *dup_expr;
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if (!menu->visibility)
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continue;
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/*
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* Do not add a reference to the
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* menu's visibility expression but
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* use a copy of it. Otherwise the
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* expression reduction functions
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* will modify expressions that have
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* multiple references which can
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* cause unwanted side effects.
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*/
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dup_expr = expr_copy(menu->visibility);
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prop->visible.expr
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= expr_alloc_and(prop->visible.expr,
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dup_expr);
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}
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}
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current_entry->prompt = prop;
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}
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prop->text = prompt;
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return prop;
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}
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struct property *menu_add_prompt(enum prop_type type, char *prompt, struct expr *dep)
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{
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return menu_add_prop(type, prompt, NULL, dep);
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}
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void menu_add_visibility(struct expr *expr)
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{
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current_entry->visibility = expr_alloc_and(current_entry->visibility,
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expr);
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}
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void menu_add_expr(enum prop_type type, struct expr *expr, struct expr *dep)
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{
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menu_add_prop(type, NULL, expr, dep);
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}
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void menu_add_symbol(enum prop_type type, struct symbol *sym, struct expr *dep)
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{
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menu_add_prop(type, NULL, expr_alloc_symbol(sym), dep);
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}
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void menu_add_option(int token, char *arg)
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{
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switch (token) {
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case T_OPT_MODULES:
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if (modules_sym)
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zconf_error("symbol '%s' redefines option 'modules'"
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" already defined by symbol '%s'",
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current_entry->sym->name,
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modules_sym->name
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);
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modules_sym = current_entry->sym;
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break;
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case T_OPT_DEFCONFIG_LIST:
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if (!sym_defconfig_list)
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sym_defconfig_list = current_entry->sym;
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else if (sym_defconfig_list != current_entry->sym)
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zconf_error("trying to redefine defconfig symbol");
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sym_defconfig_list->flags |= SYMBOL_NO_WRITE;
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break;
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case T_OPT_ALLNOCONFIG_Y:
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current_entry->sym->flags |= SYMBOL_ALLNOCONFIG_Y;
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break;
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}
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}
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static int menu_validate_number(struct symbol *sym, struct symbol *sym2)
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{
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return sym2->type == S_INT || sym2->type == S_HEX ||
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(sym2->type == S_UNKNOWN && sym_string_valid(sym, sym2->name));
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}
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static void sym_check_prop(struct symbol *sym)
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{
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struct property *prop;
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struct symbol *sym2;
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char *use;
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for (prop = sym->prop; prop; prop = prop->next) {
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switch (prop->type) {
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case P_DEFAULT:
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if ((sym->type == S_STRING || sym->type == S_INT || sym->type == S_HEX) &&
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prop->expr->type != E_SYMBOL)
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prop_warn(prop,
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"default for config symbol '%s'"
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" must be a single symbol", sym->name);
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if (prop->expr->type != E_SYMBOL)
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break;
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sym2 = prop_get_symbol(prop);
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if (sym->type == S_HEX || sym->type == S_INT) {
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if (!menu_validate_number(sym, sym2))
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prop_warn(prop,
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"'%s': number is invalid",
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sym->name);
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}
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if (sym_is_choice(sym)) {
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struct property *choice_prop =
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sym_get_choice_prop(sym2);
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if (!choice_prop ||
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prop_get_symbol(choice_prop) != sym)
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prop_warn(prop,
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"choice default symbol '%s' is not contained in the choice",
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sym2->name);
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}
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break;
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case P_SELECT:
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case P_IMPLY:
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use = prop->type == P_SELECT ? "select" : "imply";
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sym2 = prop_get_symbol(prop);
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if (sym->type != S_BOOLEAN && sym->type != S_TRISTATE)
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prop_warn(prop,
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"config symbol '%s' uses %s, but is "
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"not bool or tristate", sym->name, use);
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else if (sym2->type != S_UNKNOWN &&
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sym2->type != S_BOOLEAN &&
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sym2->type != S_TRISTATE)
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prop_warn(prop,
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"'%s' has wrong type. '%s' only "
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"accept arguments of bool and "
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"tristate type", sym2->name, use);
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break;
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case P_RANGE:
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if (sym->type != S_INT && sym->type != S_HEX)
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prop_warn(prop, "range is only allowed "
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"for int or hex symbols");
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if (!menu_validate_number(sym, prop->expr->left.sym) ||
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!menu_validate_number(sym, prop->expr->right.sym))
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prop_warn(prop, "range is invalid");
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break;
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default:
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;
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}
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}
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}
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void menu_finalize(struct menu *parent)
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{
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struct menu *menu, *last_menu;
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struct symbol *sym;
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struct property *prop;
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struct expr *parentdep, *basedep, *dep, *dep2, **ep;
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sym = parent->sym;
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if (parent->list) {
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/*
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* This menu node has children. We (recursively) process them
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* and propagate parent dependencies before moving on.
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*/
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if (sym && sym_is_choice(sym)) {
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if (sym->type == S_UNKNOWN) {
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/* find the first choice value to find out choice type */
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current_entry = parent;
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for (menu = parent->list; menu; menu = menu->next) {
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if (menu->sym && menu->sym->type != S_UNKNOWN) {
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menu_set_type(menu->sym->type);
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break;
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}
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}
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}
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/* set the type of the remaining choice values */
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for (menu = parent->list; menu; menu = menu->next) {
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current_entry = menu;
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if (menu->sym && menu->sym->type == S_UNKNOWN)
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menu_set_type(sym->type);
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}
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/*
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* Use the choice itself as the parent dependency of
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* the contained items. This turns the mode of the
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* choice into an upper bound on the visibility of the
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* choice value symbols.
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*/
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parentdep = expr_alloc_symbol(sym);
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} else if (parent->prompt)
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/* Menu node for 'menu' */
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parentdep = parent->prompt->visible.expr;
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else
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/* Menu node for 'if' */
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parentdep = parent->dep;
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/* For each child menu node... */
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for (menu = parent->list; menu; menu = menu->next) {
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/*
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* Propagate parent dependencies to the child menu
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* node, also rewriting and simplifying expressions
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*/
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basedep = rewrite_m(menu->dep);
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basedep = expr_transform(basedep);
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basedep = expr_alloc_and(expr_copy(parentdep), basedep);
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basedep = expr_eliminate_dups(basedep);
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menu->dep = basedep;
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if (menu->sym)
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/*
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* Note: For symbols, all prompts are included
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* too in the symbol's own property list
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*/
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prop = menu->sym->prop;
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else
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/*
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* For non-symbol menu nodes, we just need to
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* handle the prompt
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*/
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prop = menu->prompt;
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/* For each property... */
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for (; prop; prop = prop->next) {
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if (prop->menu != menu)
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/*
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* Two possibilities:
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*
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* 1. The property lacks dependencies
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* and so isn't location-specific,
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* e.g. an 'option'
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*
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* 2. The property belongs to a symbol
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* defined in multiple locations and
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* is from some other location. It
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* will be handled there in that
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* case.
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*
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* Skip the property.
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*/
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continue;
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/*
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* Propagate parent dependencies to the
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* property's condition, rewriting and
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* simplifying expressions at the same time
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*/
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dep = rewrite_m(prop->visible.expr);
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dep = expr_transform(dep);
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dep = expr_alloc_and(expr_copy(basedep), dep);
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dep = expr_eliminate_dups(dep);
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if (menu->sym && menu->sym->type != S_TRISTATE)
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dep = expr_trans_bool(dep);
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prop->visible.expr = dep;
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/*
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* Handle selects and implies, which modify the
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* dependencies of the selected/implied symbol
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*/
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if (prop->type == P_SELECT) {
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struct symbol *es = prop_get_symbol(prop);
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es->rev_dep.expr = expr_alloc_or(es->rev_dep.expr,
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expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
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} else if (prop->type == P_IMPLY) {
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struct symbol *es = prop_get_symbol(prop);
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es->implied.expr = expr_alloc_or(es->implied.expr,
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expr_alloc_and(expr_alloc_symbol(menu->sym), expr_copy(dep)));
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}
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}
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}
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if (sym && sym_is_choice(sym))
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expr_free(parentdep);
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/*
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* Recursively process children in the same fashion before
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* moving on
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*/
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for (menu = parent->list; menu; menu = menu->next)
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menu_finalize(menu);
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} else if (sym) {
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/*
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* Automatic submenu creation. If sym is a symbol and A, B, C,
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* ... are consecutive items (symbols, menus, ifs, etc.) that
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* all depend on sym, then the following menu structure is
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* created:
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*
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* sym
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* +-A
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* +-B
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* +-C
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* ...
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*
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* This also works recursively, giving the following structure
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* if A is a symbol and B depends on A:
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*
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* sym
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* +-A
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* | +-B
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* +-C
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* ...
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*/
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basedep = parent->prompt ? parent->prompt->visible.expr : NULL;
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basedep = expr_trans_compare(basedep, E_UNEQUAL, &symbol_no);
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basedep = expr_eliminate_dups(expr_transform(basedep));
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/* Examine consecutive elements after sym */
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last_menu = NULL;
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for (menu = parent->next; menu; menu = menu->next) {
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dep = menu->prompt ? menu->prompt->visible.expr : menu->dep;
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if (!expr_contains_symbol(dep, sym))
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/* No dependency, quit */
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break;
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if (expr_depends_symbol(dep, sym))
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/* Absolute dependency, put in submenu */
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goto next;
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/*
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* Also consider it a dependency on sym if our
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* dependencies contain sym and are a "superset" of
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* sym's dependencies, e.g. '(sym || Q) && R' when sym
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* depends on R.
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*
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* Note that 'R' might be from an enclosing menu or if,
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* making this a more common case than it might seem.
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*/
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dep = expr_trans_compare(dep, E_UNEQUAL, &symbol_no);
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dep = expr_eliminate_dups(expr_transform(dep));
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dep2 = expr_copy(basedep);
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expr_eliminate_eq(&dep, &dep2);
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expr_free(dep);
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if (!expr_is_yes(dep2)) {
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/* Not superset, quit */
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expr_free(dep2);
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break;
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}
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/* Superset, put in submenu */
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expr_free(dep2);
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next:
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menu_finalize(menu);
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menu->parent = parent;
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last_menu = menu;
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}
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expr_free(basedep);
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if (last_menu) {
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parent->list = parent->next;
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parent->next = last_menu->next;
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last_menu->next = NULL;
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}
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sym->dir_dep.expr = expr_alloc_or(sym->dir_dep.expr, parent->dep);
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}
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for (menu = parent->list; menu; menu = menu->next) {
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if (sym && sym_is_choice(sym) &&
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menu->sym && !sym_is_choice_value(menu->sym)) {
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current_entry = menu;
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menu->sym->flags |= SYMBOL_CHOICEVAL;
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if (!menu->prompt)
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menu_warn(menu, "choice value must have a prompt");
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for (prop = menu->sym->prop; prop; prop = prop->next) {
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if (prop->type == P_DEFAULT)
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prop_warn(prop, "defaults for choice "
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"values not supported");
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if (prop->menu == menu)
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continue;
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if (prop->type == P_PROMPT &&
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prop->menu->parent->sym != sym)
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prop_warn(prop, "choice value used outside its choice group");
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}
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/* Non-tristate choice values of tristate choices must
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* depend on the choice being set to Y. The choice
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* values' dependencies were propagated to their
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* properties above, so the change here must be re-
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* propagated.
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*/
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if (sym->type == S_TRISTATE && menu->sym->type != S_TRISTATE) {
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basedep = expr_alloc_comp(E_EQUAL, sym, &symbol_yes);
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menu->dep = expr_alloc_and(basedep, menu->dep);
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for (prop = menu->sym->prop; prop; prop = prop->next) {
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if (prop->menu != menu)
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continue;
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prop->visible.expr = expr_alloc_and(expr_copy(basedep),
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prop->visible.expr);
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}
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}
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menu_add_symbol(P_CHOICE, sym, NULL);
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prop = sym_get_choice_prop(sym);
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for (ep = &prop->expr; *ep; ep = &(*ep)->left.expr)
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;
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*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;
|
|
if (!last_menu->next)
|
|
break;
|
|
}
|
|
last_menu->next = menu->next;
|
|
menu->next = menu->list;
|
|
menu->list = NULL;
|
|
}
|
|
}
|
|
|
|
if (sym && !(sym->flags & SYMBOL_WARNED)) {
|
|
if (sym->type == S_UNKNOWN)
|
|
menu_warn(parent, "config symbol defined without type");
|
|
|
|
if (sym_is_choice(sym) && !parent->prompt)
|
|
menu_warn(parent, "choice must have a prompt");
|
|
|
|
/* Check properties connected to this symbol */
|
|
sym_check_prop(sym);
|
|
sym->flags |= SYMBOL_WARNED;
|
|
}
|
|
|
|
/*
|
|
* For non-optional choices, add a reverse dependency (corresponding to
|
|
* a select) of '<visibility> && 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,
|
|
expr_alloc_symbol(&symbol_mod)));
|
|
}
|
|
}
|
|
|
|
bool menu_has_prompt(struct menu *menu)
|
|
{
|
|
if (!menu->prompt)
|
|
return false;
|
|
return true;
|
|
}
|
|
|
|
/*
|
|
* Determine if a menu is empty.
|
|
* A menu is considered empty if it contains no or only
|
|
* invisible entries.
|
|
*/
|
|
bool menu_is_empty(struct menu *menu)
|
|
{
|
|
struct menu *child;
|
|
|
|
for (child = menu->list; child; child = child->next) {
|
|
if (menu_is_visible(child))
|
|
return(false);
|
|
}
|
|
return(true);
|
|
}
|
|
|
|
bool menu_is_visible(struct menu *menu)
|
|
{
|
|
struct menu *child;
|
|
struct symbol *sym;
|
|
tristate visible;
|
|
|
|
if (!menu->prompt)
|
|
return false;
|
|
|
|
if (menu->visibility) {
|
|
if (expr_calc_value(menu->visibility) == no)
|
|
return false;
|
|
}
|
|
|
|
sym = menu->sym;
|
|
if (sym) {
|
|
sym_calc_value(sym);
|
|
visible = menu->prompt->visible.tri;
|
|
} else
|
|
visible = menu->prompt->visible.tri = expr_calc_value(menu->prompt->visible.expr);
|
|
|
|
if (visible != no)
|
|
return true;
|
|
|
|
if (!sym || sym_get_tristate_value(menu->sym) == no)
|
|
return false;
|
|
|
|
for (child = menu->list; child; child = child->next) {
|
|
if (menu_is_visible(child)) {
|
|
if (sym)
|
|
sym->flags |= SYMBOL_DEF_USER;
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
const char *menu_get_prompt(struct menu *menu)
|
|
{
|
|
if (menu->prompt)
|
|
return menu->prompt->text;
|
|
else if (menu->sym)
|
|
return menu->sym->name;
|
|
return NULL;
|
|
}
|
|
|
|
struct menu *menu_get_root_menu(struct menu *menu)
|
|
{
|
|
return &rootmenu;
|
|
}
|
|
|
|
struct menu *menu_get_parent_menu(struct menu *menu)
|
|
{
|
|
enum prop_type type;
|
|
|
|
for (; menu != &rootmenu; menu = menu->parent) {
|
|
type = menu->prompt ? menu->prompt->type : 0;
|
|
if (type == P_MENU)
|
|
break;
|
|
}
|
|
return menu;
|
|
}
|
|
|
|
bool menu_has_help(struct menu *menu)
|
|
{
|
|
return menu->help != NULL;
|
|
}
|
|
|
|
const char *menu_get_help(struct menu *menu)
|
|
{
|
|
if (menu->help)
|
|
return menu->help;
|
|
else
|
|
return "";
|
|
}
|
|
|
|
static void get_prompt_str(struct gstr *r, struct property *prop,
|
|
struct list_head *head)
|
|
{
|
|
int i, j;
|
|
struct menu *submenu[8], *menu, *location = NULL;
|
|
struct jump_key *jump = NULL;
|
|
|
|
str_printf(r, "Prompt: %s\n", prop->text);
|
|
menu = prop->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];
|
|
if (jump && menu == location)
|
|
jump->offset = strlen(r->s);
|
|
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");
|
|
}
|
|
}
|
|
}
|
|
|
|
/*
|
|
* get property of type P_SYMBOL
|
|
*/
|
|
static struct property *get_symbol_prop(struct symbol *sym)
|
|
{
|
|
struct property *prop = NULL;
|
|
|
|
for_all_properties(sym, prop, P_SYMBOL)
|
|
break;
|
|
return prop;
|
|
}
|
|
|
|
static void get_symbol_props_str(struct gstr *r, struct symbol *sym,
|
|
enum prop_type tok, const char *prefix)
|
|
{
|
|
bool hit = false;
|
|
struct property *prop;
|
|
|
|
for_all_properties(sym, prop, tok) {
|
|
if (!hit) {
|
|
str_append(r, prefix);
|
|
hit = true;
|
|
} else
|
|
str_printf(r, " && ");
|
|
expr_gstr_print(prop->expr, r);
|
|
}
|
|
if (hit)
|
|
str_append(r, "\n");
|
|
}
|
|
|
|
/*
|
|
* head is optional and may be NULL
|
|
*/
|
|
static void get_symbol_str(struct gstr *r, struct symbol *sym,
|
|
struct list_head *head)
|
|
{
|
|
struct property *prop;
|
|
|
|
if (sym && sym->name) {
|
|
str_printf(r, "Symbol: %s [=%s]\n", sym->name,
|
|
sym_get_string_value(sym));
|
|
str_printf(r, "Type : %s\n", sym_type_name(sym->type));
|
|
if (sym->type == S_INT || sym->type == S_HEX) {
|
|
prop = sym_get_range_prop(sym);
|
|
if (prop) {
|
|
str_printf(r, "Range : ");
|
|
expr_gstr_print(prop->expr, r);
|
|
str_append(r, "\n");
|
|
}
|
|
}
|
|
}
|
|
for_all_prompts(sym, prop)
|
|
get_prompt_str(r, prop, head);
|
|
|
|
prop = get_symbol_prop(sym);
|
|
if (prop) {
|
|
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");
|
|
}
|
|
}
|
|
|
|
get_symbol_props_str(r, sym, P_SELECT, " Selects: ");
|
|
if (sym->rev_dep.expr) {
|
|
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) {
|
|
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");
|
|
}
|
|
|
|
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, head);
|
|
if (!i)
|
|
str_append(&res, "No matches found.\n");
|
|
return res;
|
|
}
|
|
|
|
|
|
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)
|
|
str_printf(help, "%s%s:\n\n", CONFIG_, sym->name);
|
|
help_text = menu_get_help(menu);
|
|
}
|
|
str_printf(help, "%s\n", help_text);
|
|
if (sym)
|
|
get_symbol_str(help, sym, NULL);
|
|
}
|